diff --git a/.agents/skills/dsh-code-review/SKILL.md b/.agents/skills/dsh-code-review/SKILL.md index 7740504998..51ddb872c3 100644 --- a/.agents/skills/dsh-code-review/SKILL.md +++ b/.agents/skills/dsh-code-review/SKILL.md @@ -21,7 +21,7 @@ Independent judgment governs *what to look at* and *how to apply a rule to this These define the conventions and gates this repo is checked against, and they are authoritative. Read them at the source so this skill never drifts out of sync — and apply judgment in *interpreting* them for the case at hand, not in deciding whether they apply. -- **[AGENTS.md](../../../AGENTS.md) § Conventions** — effect-based registrations, declaration-merging for events/ctx keys, waterfall `next()` discipline, discriminated-union match-don't-chain, explicit-over-implicit at seams, the empty-`catch` rule, symmetry. +- **[AGENTS.md](../../../AGENTS.md) § Conventions** — effect-based registrations, declaration-merging for events/ctx keys, waterfall `next()` discipline, discriminated-union match-don't-chain, explicit-over-implicit at seams, no hardcoded tunables in plugins, the empty-`catch` rule, symmetry. - **[docs/defensive-patterns.md](../../../docs/defensive-patterns.md)** — each section is a bug class that bit us. Reviewing anything touching process lifecycle, async/await, disposal, or adapter error paths? Re-read this first — then look for the *adjacent* mistake it doesn't name. - **AGENTS.md § Type safety and documentation + [docs/AGENTS.md](../../../docs/AGENTS.md)** — the doc-sync rule (code change ⇒ update README + JSDoc in the SAME commit) and the writing rules (current-state-never-history, one line per paragraph, one home per fact, the word-budget gate). - **[packages/AGENTS.md](../../../packages/AGENTS.md)** — per-package conventions (file layout, the HMR-safety test requirement). @@ -44,6 +44,7 @@ Where your independent reasoning earns its keep. Start here, then keep going acr - **e2e verifies the world, not the agent's self-report.** For real-API tests, confirm the assertion re-runs the command/checks the file externally — a keyword probe lets a cheating agent pass. For a behavior change to the agent's real flows, a no-key/mock test alone is usually insufficient: a with-key e2e (especially a smoke test that boots the real example and checks the world) is cheap here and catches "green units, broken product" — encourage it rather than treating real-API tests as expensive (see [docs/testing.md](../../../docs/testing.md)). - **Plugin export shape + real-loader coverage.** A new/changed `cordis.yml`-loaded plugin: is it a function/namespace plugin (`name`/`inject`/`Config`/`apply` named exports) with NO `export default`? A stray default export makes the Loader's `unwrapExports` drop `inject` and the plugin crashes at load with `cannot get property … without inject` — invisible to hand-built `ctx.plugin({...})` tests and to line coverage. Confirm there's a test driving it through the REAL loader path (the no-key subprocess e2e for ACP is the model). And any opportunistic read of a service NOT in `static inject` should use `ctx.get(name)`, not `ctx.` (the property proxy throws through a foreign shadow). See [packages/AGENTS.md](../../../packages/AGENTS.md) and [docs/postmortem/0001](../../../docs/postmortem/0001-acp-default-export-drops-inject.md). - **Seam discipline.** New swappable capability? Check it's split per the capability-seams RFC (interface / impl / consumer), and that the consumer injects the interface key, never an implementation type. +- **Hardcoded tunables that should be plugin config.** A literal timeout, grace period, output/truncation cap, result-count limit, retry count, buffer size, model name, API base URL, user agent, or filesystem path introduced inside a plugin belongs on the plugin's schemastery `Config` with the shipped value as its default (AGENTS.md § Conventions "No hardcoded tunables in plugins"). A named `DEFAULT_*` constant or a test-only injection seam is not configurability — the question to ask is whether a `cordis.yml` deployment can change the value without a code edit. Protocol/wire constants, semantic constants, values pinned by an external spec, and security invariants are exempt; a new `Config` field also needs its README row and range validation. No gate detects a hardcoded tunable — this check is entirely on the reviewer. - **Test quality — sufficiency, not just coverage.** 100% per-file coverage and a green suite are necessary, not sufficient: they prove the lines *ran*, not that the feature *works the way it ships*. Judge whether the tests are sufficient on two axes. (1) **Would they fail if the behavior regressed?** A test that passes but asserts the wrong thing — or restates the implementation instead of the contract (events fired, disposal reached, the world changed) — is worse than none. (2) **Do they exercise the REAL thing, the way it's actually used?** Prefer the genuine collaborator over a fake, drive the change through its real entry path (the cordis Loader, the ACP bridge, a booted subprocess — not a hand-built `ctx.plugin({...})` that bypasses `unwrapExports`), and verify the WORLD (re-read the file/log/registry externally), not the agent's self-report. A test that fakes the inputs just enough to cover every line will agree with whatever the author assumed; the real thing won't. When a test sets up a *clean/happy* path to reach a line, ask whether the line's PURPOSE is exercised — e.g. a durability/teardown path "tested" by a fully-completed turn never proves the mid-flight teardown it exists for; a torn-tail recovery branch covered by a well-formed log never proves recovery. Flag tests that hit the line but not the scenario. See [docs/testing.md](../../../docs/testing.md) § "Test the real entry path" and § "Prefer the real implementation over a mock". - **Snapshot coverage for transcript/UX changes.** If the PR changes the editor-facing transcript or end-to-end agent UX — the ACP bridge's event→update translation, the agent loop's observable output, tool presentation, or anything an editor renders — it must add or update a snapshot scenario (`examples/*/tests/**/*.snapshot.ts`, goldens under `examples/acp-agent/tests/snapshots/`) or note explicitly why none applies (AGENTS.md § Conventions). Review the golden diff itself: a changed `stdout.golden.txt` / `session.golden.txt` is a behavior change in disguise — confirm it's intended, not an accidental regression someone re-recorded away. A pure internal refactor with no observable-output change is exempt, but the PR should say so. See [docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md](../../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md). - **Bilingual docs: review translation quality, not just pairing.** If the PR adds or edits a doc pair, read the changed English and Chinese sides and compare the meaning, not only the mechanical diff. Verify terms against [terminology.md](../../../docs/i18n/terminology.md), including first-occurrence annotations and "do not translate as" prohibitions; if a new term has no established precedent, the PR should keep it in English, list it under `待定术语`, and update the terminology table once the rendering is decided. A green `verify-translation-pairing` only proves hashes, switchers, and structure were recorded — it does not prove the translation is faithful, natural, or correctly termed. Treat [translation-rules.md](../../../docs/i18n/translation-rules.md) MUST/MUST NOT violations as blocking. diff --git a/.agents/skills/dsh-doc-standards/SKILL.md b/.agents/skills/dsh-doc-standards/SKILL.md index 7506ca5eb0..de7eda4142 100644 --- a/.agents/skills/dsh-doc-standards/SKILL.md +++ b/.agents/skills/dsh-doc-standards/SKILL.md @@ -10,7 +10,7 @@ The contract lives in [docs/AGENTS.md](../../../docs/AGENTS.md) — the tier tax ## Sources of truth (read, don't re-summarize) - [docs/AGENTS.md](../../../docs/AGENTS.md) — the taxonomy ("one home per fact"), budgets, slop checklist. -- [docs/rfc/README.md](../../../docs/rfc/README.md) — when a decision earns an RFC and how to file it; [docs/postmortem/README.md](../../../docs/postmortem/README.md) — when an incident earns a postmortem. +- [docs/rfc/README.md](../../../docs/rfc/README.md) — when a decision earns an RFC, how to file it, and what goes inside one (the header block, per-lifecycle skeleton, and Alternatives-considered mandate, gated by `verify-rfc-format`); [docs/postmortem/README.md](../../../docs/postmortem/README.md) — when an incident earns a postmortem. - [docs/i18n/README.md](../../../docs/i18n/README.md) — the bilingual pairing contract; editing either side of a pair obligates the counterpart in the same change. - Root [AGENTS.md](../../../AGENTS.md) — the standing orders whose budget discipline this skill protects. @@ -31,16 +31,14 @@ The audit is a hunt for the standard's slop checklist, cheapest probes first: 2. Hunt narrated history: `rg -n -g '!vendor' -t md "no longer|used to|previously|was moved|renamed"` — judge each hit; some are legitimate (quoting a contrast against a live alternative), most are drift. 3. Hunt duplication: take each standing-doc rule, grep one distinctive phrase from it across all Markdown; more than one home means all but one become links. 4. Hunt catalog restatement: compare README event/tool tables against the generated catalogs and JSDoc; hand copies get replaced by links. -5. Hunt spec-speak in `implemented/` RFCs: migration plans, test checklists, future-tense "should" — an implemented RFC describes what is. +5. Hunt spec-speak in `implemented/` RFCs: migration plans, test checklists, future-tense "should" — an implemented RFC describes what is. The heading-level cases (`## Plan`, `## Acceptance criteria`, …) are mechanically gated by `verify-rfc-format`; the prose-level "should" hunt remains manual. 6. Classify each finding: a mechanical trim lands as a small PR; a restructure or removal that changes what a doc promises gets a proposed RFC first (follow [dsh-find-simplifications](../dsh-find-simplifications/SKILL.md) for the RFC shape). Compression discipline: every load-bearing rule survives — as one to three lines plus a link to the home that carries its why. Cut stories, duplicates, and status annotations; never silently drop a rule. If a cut rule has no durable home to link, create it (usually an RFC or postmortem) in the same change. ## When verify-doc-budgets goes red -1. Relocate: does the new content belong in a linked home (RFC, postmortem, cookbook, README) with a one-line pointer left behind? -2. Condense: can existing prose in the doc pay for the addition — a story compressed to its rule, a duplicate converted to a link? -3. Only then raise the ceiling: edit `scripts/doc-budgets.manifest.json` and justify the raise explicitly in the PR description. After any rewrite that shrinks a budgeted doc, ratchet its ceiling down to the new size plus working headroom (at least 5%) in the same PR. +Apply the ordered relocate-condense-raise policy in [docs/AGENTS.md](../../../docs/AGENTS.md); this skill only supplies the workflow probes above. ## Validation and PR hygiene diff --git a/.agents/skills/dsh-merging-stacked-prs/SKILL.md b/.agents/skills/dsh-merging-stacked-prs/SKILL.md new file mode 100644 index 0000000000..dc1d2ec265 --- /dev/null +++ b/.agents/skills/dsh-merging-stacked-prs/SKILL.md @@ -0,0 +1,52 @@ +--- +name: dsh-merging-stacked-prs +description: Use when landing a stack of dependent GitHub PRs (A ← B ← C, where each bases on the one below) onto master — merging more than one PR in a chain, merging a PR whose base is another open PR's branch, or whenever a request mentions "stacked PRs", "PR stack", "dependent PRs", "base branch", or merging several related PRs in sequence. Critical because deleting a base branch mid-chain auto-closes the open PR that bases on it — get the order wrong and you silently close unmerged work. +--- + +# Merging a stacked PR chain + +This skill is the landing procedure for a dependent PR stack. The standing orders it rests on — merge commits only (`gh pr merge --merge`), never rewrite a pushed branch — live in the root [AGENTS.md](../../../AGENTS.md) § Conventions; the discipline for handling review comments across a stack before it lands is the [responding-to-pr-review-on-a-stack](../../../docs/cookbook/responding-to-pr-review-on-a-stack.md) cookbook guide. + +## The hazard this prevents + +On GitHub, **deleting a PR's base branch auto-closes that PR.** In a stack `A ← B ← C` (B bases on A, C bases on B), branch A is the base of PR B, and branch B is the base of PR C. So if you merge A with `--delete-branch`, GitHub closes PR B before it's merged — silently destroying the chain. The whole procedure below exists to avoid that: **merge one at a time, retarget each dependent as you go, and delete nothing until every PR has landed.** + +## The procedure + +Given `A ← B ← C` landing on `master`: + +1. **Merge PR A into master, keeping its branch.** `gh pr merge A --merge` — no `--delete-branch`. Branch A must survive because PR B still bases on it. Before touching the next link, confirm the merge actually landed: with required checks pending or a merge queue, `gh pr merge` may only enable auto-merge and return early, so wait until `gh pr view A --json state` reports `MERGED`. This applies after every merge in the stack. + +2. **Retarget PR B, refresh it, then merge it — keeping its branch.** + - `gh pr edit B --base master` (now that A is in master, B's base becomes master). + - Merge the new master *into* branch B: check out B, `git fetch origin`, `git merge origin/master` — merge `origin/master`, not local `master`, because `gh pr merge` updated only GitHub and the local branch is stale — resolve any conflicts here, and push. This makes B current and surfaces conflicts in the working branch where they can be tested — not as a surprise at the GitHub merge. + - `gh pr merge B --merge` — still no `--delete-branch` (PR C bases on branch B). + +3. **Retarget PR C, refresh it, then merge it — keeping its branch.** Same steps: `gh pr edit C --base master`, fetch and merge `origin/master` into branch C, resolve conflicts there and push, then `gh pr merge C --merge` without `--delete-branch`. + +4. **Only after every PR (A, B, C) is merged, delete the branches** — local and remote, for all of A, B, C. + +## Why "merge new master into the dependent before merging it" + +Each retarget step merges the freshly-updated master back into the dependent branch *before* merging the PR. This keeps each PR's diff clean (it only shows that PR's own changes, not the parent's) and forces conflicts to surface in the working branch, where you can build and test the resolution — instead of letting GitHub attempt a blind merge that may conflict or quietly mis-resolve. + +## Verify before deleting anything + +Before deleting a branch, ask GitHub directly whether any open PR still bases on it: + +```sh +gh pr list --state open --base --json number --jq length +``` + +Anything other than `0` means open PRs still base on `` and deleting it would auto-close them — do not delete it. The `--base` filter is applied server-side, so zero-versus-non-zero is exact no matter how many PRs are open; the printed number itself saturates at `gh`'s `--limit` (default 30), which never matters here because only `0` clears a delete. Default to merging without `--delete-branch` throughout, and do the deletions as a separate final pass once every branch you're about to delete reports `0`. + +## Longer chains + +The pattern extends to any depth. For `A ← B ← C ← D ← …`, walk the stack from the bottom up: merge the lowest, then for each next link retarget to master, fetch and merge `origin/master` into it, merge the PR — always without deleting — and only sweep up all the branches at the very end. The invariant never changes: **a branch may be deleted only when no open PR bases on it.** + +## Quick checklist + +- [ ] Merge bottom PR first, `--merge`, no `--delete-branch`; wait until `gh pr view --json state` shows `MERGED`. +- [ ] For each dependent: `gh pr edit --base master` → fetch and merge `origin/master` into the branch (resolve conflicts there, push) → `gh pr merge --merge`, no `--delete-branch`; again wait for `MERGED`. +- [ ] Before each branch delete: `gh pr list --state open --base --json number --jq length` prints `0`. +- [ ] Delete all branches (local + remote) only as a final pass. diff --git a/.agents/skills/dsh-pre-push-checks/SKILL.md b/.agents/skills/dsh-pre-push-checks/SKILL.md new file mode 100644 index 0000000000..7c0d629fff --- /dev/null +++ b/.agents/skills/dsh-pre-push-checks/SKILL.md @@ -0,0 +1,103 @@ +--- +name: dsh-pre-push-checks +description: Use before pushing, force-pushing, marking ready for review, claiming checks pass, or bypassing a local hook on a deepseek-harness branch, especially after merges, review fixes, package graph changes, docs/catalog updates, snapshots, e2e behavior, or built artifact changes. +--- + +# DSH Pre-Push Checks + +Use this skill to choose and run the smallest sufficient verification set before a `deepseek-harness` push. Do not treat the local pre-push hook as the full CI contract: CI also runs coverage, build, demo smoke, and built-bin smoke. + +## First Steps + +1. Confirm the checkout and branch. + +```sh +git status --short --branch +git rev-parse --show-toplevel +``` + +2. Inspect the outgoing diff. + +```sh +git diff --stat +git diff --name-only origin/$(git branch --show-current)...HEAD +``` + +If the branch has no upstream or the command is not meaningful for the stack shape, use `git diff --name-only origin/master...HEAD` or the PR base branch. + +3. If the branch was just merged with `master`, or the user says master changed, run the gates after resolving the merge and before pushing or marking ready. Do not present a conflict-resolution commit as ready with only typecheck/lint evidence. + +## Required Baseline + +Run these before every non-trivial push: + +```sh +pnpm run typecheck +pnpm run lint +pnpm run test:coverage +``` + +Why `test:coverage`, not only `test`: CI enforces per-file 100% coverage. A branch can pass `pnpm run test` and still fail CI. + +## Add Gates By Touched Surface + +Run `pnpm run doc-sync` and `pnpm run verify-module-graph` when the diff touches Markdown docs, package manifests, package imports/exports, generated catalogs, RFCs, architecture docs, translation pairs, Mermaid diagrams, or comments that cite docs/packages. + +Run `pnpm run build` and `pnpm run hygiene` when the diff touches any package `package.json`, dependency graph, public exports, build config, declaration surface, bundled runtime path, or code that will be consumed from built `lib/`. + +Run snapshot tests when the diff changes ACP/editor-facing transcript behavior: ACP bridge updates, agent-loop observable output, tool call/result presentation, session log rendering, stdout/stderr protocol output, or snapshot fixtures. + +```sh +pnpm run test:snapshot +``` + +Run built-bin smoke tests after `pnpm run build` when app packages, app boot, package runtime imports, bin entries, loader behavior, or published artifact paths change. + +```sh +pnpm exec vitest run --config vitest.e2e.config.ts packages/ui/stdio-agent/tests/built-bin.e2e.ts packages/ui/acp-agent/tests/built-bin.e2e.ts +``` + +Run real e2e when behavior depends on a real model/API, tool-use loop, ACP integration, prompt injection, or end-to-end agent UX. If `.env` is available, use it; do not print secrets. + +```sh +pnpm run test:e2e +``` + +Run a targeted test first for the changed package, but never use targeted tests as the only push evidence unless the change is test-only and cannot affect shared behavior. + +## Full Local CI Approximation + +Use this before high-risk pushes, after large merges, before asking for review on a major PR, or when prior pushes have caused CI churn. The authoritative command list is the root [AGENTS.md § Run the CI gates locally before marking a PR ready](../../../AGENTS.md#run-the-ci-gates-locally-before-marking-a-pr-ready); run that block rather than copying a local variant into this skill. Add `pnpm run test:e2e` when a key is available and the feature has real-agent behavior. + +## Handling Failures + +If a gate fails, stop and fix or explain the blocker. Do not push and hope CI differs. + +If a failure looks environment-specific, prove it: + +- Record the exact command, failing test, and platform-specific mismatch. +- Confirm the relevant non-platform gates pass. +- Prefer fixing the test for cross-platform determinism if the test is part of the required local gate. +- Bypass a local hook only when the user explicitly asks to push or agrees, and state exactly which hook failed and why it is not expected to fail on CI. + +Known pattern to watch for: Linux CI and macOS local behavior can differ for shell utilities such as `sed -i`. Treat this as evidence to investigate, not as automatic permission to bypass. + +## Push Procedure + +1. Local commits may happen before the full gate set, but do not push, mark ready, or claim checks pass until the relevant gates pass or any blocker is explicitly documented. +2. Let the normal pre-commit hook run. If it changes files, inspect and commit or amend the change intentionally rather than hiding it. +3. Push normally first so the pre-push hook can run. +4. If a local hook is bypassed after user approval, use the narrow bypass and say so in the final response. +5. After push, verify the remote ref matches local HEAD. + +```sh +git rev-parse HEAD origin/$(git branch --show-current) +``` + +For GitHub PRs, check CI after push: + +```sh +gh pr checks +``` + +If checks are pending, say pending. If checks fail, inspect logs before claiming the push is good. diff --git a/.agents/skills/dsh-pre-push-checks/agents/openai.yaml b/.agents/skills/dsh-pre-push-checks/agents/openai.yaml new file mode 100644 index 0000000000..6ad9b63935 --- /dev/null +++ b/.agents/skills/dsh-pre-push-checks/agents/openai.yaml @@ -0,0 +1,4 @@ +interface: + display_name: "DSH Pre-Push Checks" + short_description: "Run the right DeepSeek Harness gates before push" + default_prompt: "Use $dsh-pre-push-checks before pushing this DeepSeek Harness branch." diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 9064a38cea..4840b88192 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -9,14 +9,113 @@ concurrency: group: ${{ github.workflow }}-${{ github.ref }} cancel-in-progress: true +permissions: + contents: read + +env: + PRIMARY_NODE_VERSION: '24' + jobs: - checks: + node-24: runs-on: ubuntu-latest + name: node 24 / ${{ matrix.lane }} + env: + DSH_GATE_CONCURRENCY: ${{ matrix.gate_concurrency }} + DSH_PUBLINT_CONCURRENCY: ${{ matrix.publint_concurrency }} + DSH_COVERAGE_MAX_WORKERS: ${{ matrix.coverage_max_workers }} + DSH_ESLINT_CACHE: ${{ matrix.eslint_cache }} strategy: fail-fast: false matrix: - node: [24, 26] + include: + - lane: static + command: pnpm run check:ci:static + gate_concurrency: '4' + publint_concurrency: '8' + coverage_max_workers: '' + eslint_cache: '' + - lane: lint + command: pnpm run check:ci:lint + gate_concurrency: '1' + publint_concurrency: '8' + coverage_max_workers: '' + eslint_cache: '1' + - lane: coverage + command: pnpm run check:ci:coverage + gate_concurrency: '1' + publint_concurrency: '8' + coverage_max_workers: '4' + eslint_cache: '' + - lane: snapshot + command: pnpm run check:ci:snapshot + gate_concurrency: '1' + publint_concurrency: '8' + coverage_max_workers: '' + eslint_cache: '' + - lane: artifacts + command: pnpm run check:ci:artifacts + gate_concurrency: '3' + publint_concurrency: '8' + coverage_max_workers: '' + eslint_cache: '' + steps: + - uses: actions/checkout@v6 + + - uses: actions/setup-node@v6 + with: + node-version: ${{ env.PRIMARY_NODE_VERSION }} + + - name: Enable corepack (pnpm) + run: corepack enable + + - name: Resolve pnpm store path + id: pnpm-store + run: echo "path=$(pnpm store path --silent)" >> "$GITHUB_OUTPUT" + + - uses: actions/cache@v4 + with: + path: ${{ steps.pnpm-store.outputs.path }} + key: ${{ runner.os }}-node-${{ env.PRIMARY_NODE_VERSION }}-pnpm-${{ hashFiles('pnpm-lock.yaml') }} + restore-keys: | + ${{ runner.os }}-node-${{ env.PRIMARY_NODE_VERSION }}-pnpm- + + - name: Install (immutable) + run: pnpm install --frozen-lockfile + + # The snapshot lane REPLAYS the sandbox example's recorded scenarios, + # re-executing their bash calls under a real runner. ubuntu-latest has + # no bubblewrap preinstalled and no built Landlock launcher, so without + # this the confined executions fail closed (SANDBOX_UNAVAILABLE). Same + # install as sandbox.yml's bwrap leg (incl. the Ubuntu 24.04 AppArmor + # userns knob). + - name: Install bubblewrap (unrestrict userns) + if: matrix.lane == 'snapshot' + run: | + sudo apt-get update -q + sudo apt-get install -yq bubblewrap + sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0 \ + || echo "apparmor userns knob absent — the functional probe decides" + + - uses: actions/cache@v4 + if: matrix.lane == 'lint' + with: + path: .cache/eslint + key: ${{ runner.os }}-node-${{ env.PRIMARY_NODE_VERSION }}-eslint-${{ hashFiles('pnpm-lock.yaml', 'eslint.config.mjs', 'tsconfig.json', 'packages/*/*/tsconfig.json', 'examples/*/tsconfig.json') }} + restore-keys: | + ${{ runner.os }}-node-${{ env.PRIMARY_NODE_VERSION }}-eslint- + + - name: Run gates + run: ${{ matrix.command }} + + node-compat: + runs-on: ubuntu-latest name: node ${{ matrix.node }} + env: + DSH_GATE_CONCURRENCY: '2' + strategy: + fail-fast: false + matrix: + node: ['22.19', 24, 26] steps: - uses: actions/checkout@v6 @@ -27,78 +126,41 @@ jobs: - name: Enable corepack (pnpm) run: corepack enable + - name: Resolve pnpm store path + id: pnpm-store + run: echo "path=$(pnpm store path --silent)" >> "$GITHUB_OUTPUT" + + - uses: actions/cache@v4 + with: + path: ${{ steps.pnpm-store.outputs.path }} + key: ${{ runner.os }}-node-${{ matrix.node }}-pnpm-${{ hashFiles('pnpm-lock.yaml') }} + restore-keys: | + ${{ runner.os }}-node-${{ matrix.node }}-pnpm- + - name: Install (immutable) run: pnpm install --frozen-lockfile - - name: Constraints - run: pnpm run constraints + - name: Run compatibility gates + run: pnpm run check:node-compat - # Before lint: root typecheck validates the package/vendor reference graph - # and refreshes TSC intermediates so type-aware ESLint sees the same project - # boundaries as the build. - - name: Typecheck (src + tests + examples) - run: pnpm run typecheck - - # Type-aware ESLint loads every package tsconfig through the project - # service and peaks at ~3.4GB; the default V8 old-space ceiling (~2GB) - # OOMs it (exit 134). Raise the ceiling well above the peak. - - name: Lint - run: pnpm run lint - env: - NODE_OPTIONS: --max-old-space-size=8192 - - # Doc-sync gates (doc-sync-enforcement RFC). doc-typecheck compiles the - # fenced ts blocks against the root project-reference graph. The cordis - # catalog freshness check, type-equiv check, and markdown wrap/link checks - # only read source. Same `doc-sync` script the pre-push hook runs - # (quality-gates RFC: one source of truth). - - name: Doc-sync gates (doc code blocks + cordis catalog + type-equiv + markdown wrap/links) - run: pnpm run doc-sync - - # Module-graph freshness: regenerate docs/module-graph.md from the - # packages' peerDependencies and fail if it differs from the committed - # file. Only reads source package.json — no build needed. - - name: Module-graph freshness - run: pnpm run verify-module-graph - - - name: Tests with coverage gate (per-file 100%) - run: pnpm run test:coverage - - # ACP snapshot tests (acp-snapshot-tests RFC): boot the real acp-agent - # subprocess and replay recorded session-log fixtures, diffing the - # normalized stdout transcript + re-persisted log against committed - # goldens. KEYLESS by design — the same `test:snapshot` script the pre-push - # hook runs (one source of truth), so the full-transcript regression net - # is part of every PR gate, not just local pre-push. - - name: Snapshot tests (ACP transcript replay) - run: pnpm run test:snapshot - - # Before hygiene: publint validates the packed artifacts (lib/index.js), - # which only the tsdown bundling step emits, and verify-node-next-types - # validates the built declarations. - - name: Build (tsc -b + tsdown bundles) - run: pnpm run build - - - name: Hygiene (knip + publint + constraints + NodeNext types) - run: pnpm run hygiene - - - name: Demo smoke test + # Single stable required check for branch protection: require "all checks + # passed" instead of enumerating matrix legs whose names change as lanes and + # node versions evolve. Every other job in THIS workflow must be listed in + # `needs` (`needs` cannot reach across workflow files; e2e.yml stays its own + # check). `if: always()` is load-bearing: without it a failed dependency + # would SKIP this job, and GitHub counts a skipped required check as passing + # — so this job always runs and fails on any non-success result, including + # 'cancelled' and 'skipped'. + all-checks-passed: + name: all checks passed + runs-on: ubuntu-latest + needs: [node-24, node-compat] + if: always() + steps: + - name: Fail if any needed job did not succeed + if: contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') || contains(needs.*.result, 'skipped') run: | - set -euo pipefail - out=$(printf 'echo ci smoke\n' | timeout 60 pnpm run demo:echo 2>&1) - echo "$out" - echo "$out" | grep -q '\[tool call\] echo({"text":"ci smoke"})' - echo "$out" | grep -q '\[tool result\] ECHO: CI SMOKE' - # The JSONL backend (root ./.sessions, no cwd → _no-cwd bucket) writes a - # per-run session log named main-session-.jsonl. Assert one exists. - ls .sessions/_no-cwd/main-session-*.jsonl >/dev/null - rm -rf .sessions - - # The published `bin` is `lib/bin.js`, run under plain `node` by a real - # consumer — NOT the tsx dev path the demo smoke and demo:* scripts use. - # These keyless smokes boot the BUILT bins (this step runs AFTER the build) - # in a temp dir that mirrors a real install, catching a regression in the - # published artifact that tsx would mask. They self-skip if lib/ is absent, - # so the e2e job (which does not build) does not run them. - - name: Built-bin smoke test (published lib/bin.js under node) - run: pnpm exec vitest run --config vitest.e2e.config.ts packages/ui/stdio-agent/tests/built-bin.e2e.ts packages/ui/acp-agent/tests/built-bin.e2e.ts + echo "::error::Needed job results: ${{ join(needs.*.result, ', ') }}" + exit 1 + - name: All checks passed + run: echo "All needed jobs succeeded (${{ join(needs.*.result, ', ') }})" diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml index 7a8c9dc88c..e06fb025bd 100644 --- a/.github/workflows/e2e.yml +++ b/.github/workflows/e2e.yml @@ -49,13 +49,14 @@ permissions: jobs: e2e: runs-on: ubuntu-latest + name: e2e # Run on every trusted event. Skip untrusted PRs (forks + Dependabot) where # the secret is withheld — they would otherwise hard-fail the preflight. if: >- github.event_name != 'pull_request' || !(github.event.pull_request.head.repo.fork || github.event.pull_request.user.login == 'dependabot[bot]') - # Serial files (fileParallelism: false), 120s/test, retry 2. 45m bounds a - # wedged run while leaving headroom for retry storms against a slow API. + # Bounded file parallelism (DSH_E2E_MAX_WORKERS), 120s/test, retry 2. 45m + # still bounds retry storms against a slow API while the happy path fans out. timeout-minutes: 45 steps: - uses: actions/checkout@v6 @@ -67,9 +68,34 @@ jobs: - name: Enable corepack (pnpm) run: corepack enable + - name: Resolve pnpm store path + id: pnpm-store + run: echo "path=$(pnpm store path --silent)" >> "$GITHUB_OUTPUT" + + - uses: actions/cache@v4 + with: + path: ${{ steps.pnpm-store.outputs.path }} + key: ${{ runner.os }}-node-24-pnpm-${{ hashFiles('pnpm-lock.yaml') }} + restore-keys: | + ${{ runner.os }}-node-24-pnpm- + - name: Install (immutable) run: pnpm install --frozen-lockfile + # The with-key escalation e2e (examples/sandbox-acp-agent/tests/ + # escalation.e2e.ts) self-skips without a usable runner — without this + # step it would never actually execute anywhere (CI had no bwrap, dev + # macs run Seatbelt instead), which is exactly how a broken harness + # composition once survived unseen. Same recipe as ci.yml's bwrap + # steps; the userns knob is best-effort (absent on pre-24.04 kernels, + # the probe decides). + - name: Install bubblewrap (unrestrict userns) + run: | + sudo apt-get update -q + sudo apt-get install -yq bubblewrap + sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0 \ + || echo "apparmor userns knob absent — the functional probe decides" + # Guard against a false green: the e2e suites self-skip when the key is # absent, so a missing/misconfigured secret would otherwise pass as # "all skipped". This job only runs on trusted events (the `if:` above @@ -97,4 +123,5 @@ jobs: env: DEEPSEEK_API_KEY: ${{ secrets.DEEPSEEK_API_KEY_EXTERNAL }} DEEPSEEK_BASE_URL: https://api.deepseek.com + DSH_E2E_MAX_WORKERS: 14 run: pnpm run test:e2e diff --git a/.github/workflows/sandbox.yml b/.github/workflows/sandbox.yml new file mode 100644 index 0000000000..561d74b587 --- /dev/null +++ b/.github/workflows/sandbox.yml @@ -0,0 +1,124 @@ +# Sandbox CI: the keyless real-kernel confinement proofs. A separate workflow +# from ci.yml because the axis is different — these jobs fan out over +# OS×runner (kernel capabilities), not node versions. The Landlock launcher +# arrives from the registry with `pnpm install` (the npm package family +# `node-addon-landlock-run`, built and released from its own repository), so +# these legs exercise the true consumer path — nothing is compiled here. +name: Sandbox + +on: + push: + branches: [main, master] + pull_request: + +concurrency: + group: ${{ github.workflow }}-${{ github.ref }} + cancel-in-progress: true + +permissions: + contents: read + +jobs: + # Keyless real-kernel sandbox proofs (sandbox RFC § Testing): each ladder + # rung is only provable on a host where it enforces, so this job fans out + # an OS×runner matrix — bwrap and Landlock on Linux (separate legs: the + # Landlock files force the bwrap rung off, so each leg proves exactly one + # rung; Landlock twice, once per architecture, each confining through the + # registry-installed launcher), Seatbelt on macOS (sandbox-exec ships with + # the OS). One node + # version only: kernel confinement does not vary by node, and ci.yml's + # node matrix already covers the node axis. + # + # The e2e files self-skip where their runner is absent, so a leg that lost + # its runner (no bwrap, kernel without Landlock, macOS without + # sandbox-exec) would otherwise pass as a false green — the same trap + # e2e.yml's key preflight guards against. Each leg therefore asserts BOTH + # its platform files actually ran: `Test Files 2 passed (2)`, no skips. + sandbox-e2e: + strategy: + fail-fast: false + matrix: + include: + - os: ubuntu-latest + runner: bwrap + - os: ubuntu-24.04 + runner: landlock + - os: ubuntu-24.04-arm + runner: landlock + - os: macos-latest + runner: seatbelt + name: sandbox e2e (${{ matrix.runner }}, ${{ matrix.os }}) + runs-on: ${{ matrix.os }} + timeout-minutes: 20 + steps: + - uses: actions/checkout@v6 + + - uses: actions/setup-node@v6 + with: + node-version: 24 + + - name: Enable corepack (pnpm) + run: corepack enable + + - name: Install (immutable) + run: pnpm install --frozen-lockfile + + # The bwrap rung needs bubblewrap on PATH and unprivileged user + # namespaces. Ubuntu 24.04 gates the latter behind an AppArmor knob; + # lift it best-effort — on images where the knob is absent the + # functional probe (and the run-guard below) is the arbiter anyway. + - name: Install bubblewrap (unrestrict userns) + if: matrix.runner == 'bwrap' + run: | + sudo apt-get update -q + sudo apt-get install -yq bubblewrap + sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0 \ + || echo "apparmor userns knob absent — the functional probe decides" + + # The unit suite runs on ubuntu in `checks`; this is the one darwin leg + # in the workflow, so run it here too — the platform-dependent unit + # expectations (Seatbelt path canonicalization: /tmp IS /private/tmp) + # take their darwin branch only on this runner. + - name: Unit tests (darwin parity) + if: matrix.runner == 'seatbelt' + run: pnpm run test + + - name: Sandbox e2e (real kernel confinement, world-verified) + # NO_COLOR: vitest force-enables ANSI color under GITHUB_ACTIONS even + # without a TTY, which would thread escape codes through the summary + # line the run-guard greps. + env: + NO_COLOR: 1 + run: | + set -u +e -o pipefail + out=$(pnpm exec vitest run --config vitest.e2e.config.ts \ + packages/sandbox/sandbox-local/tests/${{ matrix.runner }}.e2e.ts \ + packages/bash/bash-sandbox/tests/${{ matrix.runner }}.e2e.ts 2>&1); status=$? + echo "$out" + [ "$status" -eq 0 ] + # Both platform files must have RUN — a self-skip (runner missing on + # the very platform that exists to prove it) is a failure, not a pass. + echo "$out" | grep -qE 'Test Files[[:space:]]+2 passed \(2\)' + + # Publish-path rehearsal, Landlock legs only (the pack gates need built + # lib/). The e2e packs the workspace closure, installs the tarballs + # into a throwaway consumer — npm pulling `node-addon-landlock-run` + # and its platform package from the registry, the true consumer path — + # and confines through the INSTALLED launcher, asserting it executable + # apart (a mode-stripped binary must not masquerade as a non-enforcing + # kernel). Same no-silent-skip guard as above. + - name: Build packages (lib/ for the pack rehearsal) + if: matrix.runner == 'landlock' + run: pnpm run build + + - name: Packed-distribution e2e (pack → install → confine) + if: matrix.runner == 'landlock' + env: + NO_COLOR: 1 + run: | + set -u +e -o pipefail + out=$(pnpm exec vitest run --config vitest.e2e.config.ts \ + packages/sandbox/sandbox-local/tests/packed-install.e2e.ts 2>&1); status=$? + echo "$out" + [ "$status" -eq 0 ] + echo "$out" | grep -qE 'Test Files[[:space:]]+1 passed \(1\)' diff --git a/.gitignore b/.gitignore index 2788817b23..df36ca9214 100644 --- a/.gitignore +++ b/.gitignore @@ -5,6 +5,7 @@ lib/ *.tsbuildinfo pnpm-debug.log .pnpm-store/ +.cache/ examples/*/*.jsonl .sessions/ examples/*/.sessions/ diff --git a/AGENTS.md b/AGENTS.md index 4768fbd1a7..843e09e8b2 100644 --- a/AGENTS.md +++ b/AGENTS.md @@ -1,10 +1,10 @@ # AGENTS.md -This is the monorepo of the DeepSeek Harness group; it hosts **DeepSeek Code**, DeepSeek's coding agent product. The codebase is built on the vendored Cordis framework, microkernel-style: **everything is a plugin**. Read [docs/architecture.md](docs/architecture.md) before changing anything under `packages/` — the service map, event taxonomy, loop lifecycle, and extension seams. The documentation standard is [docs/AGENTS.md](docs/AGENTS.md). Design context: [Coding Harness MVP 需求分析](https://trtgsjkv6r.feishu.cn/wiki/ZwK6wfBE9i91V6kzMGYcgRGanxg), [微内核Harness实现思路](https://trtgsjkv6r.feishu.cn/wiki/VS9Lw1kQki6mDJk2UHocyuphnsc). +The DeepSeek Harness group monorepo, hosting **DeepSeek Harness SDK** — a plugin-based SDK for building agent harnesses on the vendored Cordis framework, microkernel-style: **everything is a plugin**. Read [docs/architecture.md](docs/architecture.md) before changing `packages/`; the documentation standard is [docs/AGENTS.md](docs/AGENTS.md). ## Pre-release stance: foundation over blast radius -**This applies only while the harness is unreleased — remove this section at the first tagged release.** There are no external consumers, so optimize for the correct foundation, not a small diff: move files, rename public symbols, repackage plugins, and update every reference in the same change. No backward-compat shims, deprecation aliases, or re-export stubs. On-disk formats need no migrations — a backend REJECTS anything not at the current version. Two sanctioned version stances: monotonic bump-and-reject (the SQLite backend's `SCHEMA_VERSION`), and a pinned `0` that absorbs all shape churn (`SESSION_FORMAT_VERSION` in `dsh-session`, documented "no compatibility implied"). Real version policy begins at the first release. +**Applies only while the harness is unreleased — remove this section at the first tagged release.** With no external consumers, optimize for the correct foundation, not a small diff: move files, rename public symbols, repackage plugins, and update every reference in the same change. No backward-compat shims, deprecation aliases, or re-export stubs. On-disk formats need no migrations — a backend REJECTS anything not at the current version. Two sanctioned version stances: monotonic bump-and-reject (the SQLite backend's `SCHEMA_VERSION`), and a pinned `0` that absorbs all shape churn (`SESSION_FORMAT_VERSION` in `dsh-session`, documented "no compatibility implied"). Real version policy begins at the first release. ## Repository layout @@ -15,15 +15,19 @@ packages/ Harness packages at packages///, all named @deepseek-ai llm/ LLM seam + the DeepSeek adapters (hand-rolled + pi-ai design twin) bash/ bash executor seam + local impl + model-facing bash tools fs/ filesystem seam + local impl + policy gate + read/write/edit tools + skill/ skill provider registry + local impl + catalog/loader tool web/ web seam + search/fetch providers + model-facing web tools compact/ compaction seam + basic backend subagent/ subagent seam + spawn/fork/ACP backends + delegation tool + workflow/ workflow seam + worker-thread engine + the workflow tool todo/ the todo_write tool + guard/ loop-hygiene plugins + cordis/ self-referential toolset: the agent inspects/mounts plugins in its own runtime hooks/ Claude Code / Codex hook bridges + shared wire-protocol library session-persistence/ persistence seam + JSONL/SQLite backends - ui/ ACP bridge + the stdio/ACP app packages (each with a bin) - support/ dev/test infrastructure: invariants, ui-stdio, llm-replay, subagent-mock - util/ zero-dependency utilities (Branded) + ui/ ACP bridge, app-boot glue, stdio/ACP app bins, user-approval and user-interaction seams, ask-user tool + support/ dev/test infrastructure packages + util/ zero-dependency utilities examples/ Runnable demos: thin cordis.yml leaves over the app packages (see examples/AGENTS.md) docs/ architecture, generated catalogs, RFCs, postmortems, cookbook (see docs/AGENTS.md) scripts/ repo gates and generators @@ -34,7 +38,7 @@ Per-package map: the group READMEs, indexed from [packages/README.md](packages/R ## Commands ```sh -pnpm install # pnpm workspaces, node >= 24 +pnpm install # pnpm workspaces, node ^22.19 || >=24 pnpm run test # vitest unit tests pnpm run test:coverage # THE gating test run: per-file 100% coverage on packages/*/*/src pnpm run test:e2e # real-API tests; self-skip without DEEPSEEK_API_KEY @@ -47,12 +51,13 @@ pnpm run hygiene # knip + publint + workspace constraints + NodeNext cons pnpm run doc-sync # all documentation gates; see the doc-sync script in package.json pnpm run demo:echo # mock-model REPL, no key needed pnpm run demo:repl # real REPL coding agent (needs DEEPSEEK_API_KEY) +pnpm run demo:cordis # self-referential demo: the agent modifies its own runtime (needs key) pnpm run demo:acp # ACP server agent (needs DEEPSEEK_API_KEY) ``` ### Run the CI gates locally before marking a PR ready -CI is the backstop, not the first run. From a fresh clone or worktree, `pnpm run build` first — publint and the NodeNext check validate built `lib/`. The CI-equivalent run: +During implementation, run the narrowest affected checks; run this full CI-equivalent sequence only when complete and before marking a PR ready. From a fresh clone/worktree, `pnpm run build` first because publint and NodeNext validate built `lib/`: ```sh set -euo pipefail @@ -67,12 +72,12 @@ pnpm run hygiene out=$(printf 'echo ci smoke\n' | pnpm run demo:echo 2>&1) printf '%s\n' "$out" | grep -q '\[tool call\] echo({"text":"ci smoke"})' printf '%s\n' "$out" | grep -q '\[tool result\] ECHO: CI SMOKE' -ls .sessions/_no-cwd/main-session-*.jsonl >/dev/null +test -n "$(find .sessions -path '.sessions/cwd-*/main-session-*.jsonl' -type f -print -quit)" rm -rf .sessions -pnpm exec vitest run --config vitest.e2e.config.ts packages/ui/stdio-agent/tests/built-bin.e2e.ts packages/ui/acp-agent/tests/built-bin.e2e.ts +pnpm exec vitest run --config vitest.e2e.config.ts packages/ui/stdio-agent/tests/built-bin.e2e.ts packages/ui/acp-agent/tests/built-bin.e2e.ts packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts packages/code-runtime/code-runtime-worker/tests/built-lib.e2e.ts ``` -`test:coverage`, not `test`, is the gating run ([why](docs/testing.md)); a review sign-off counts only for the commands it actually ran. +`test:coverage`, not `test`, is the gating run ([why](docs/testing.md)); a sign-off counts only for commands actually run. ## Secrets / .env @@ -81,21 +86,24 @@ Real-API tests and demos read `DEEPSEEK_API_KEY` (and optional `DEEPSEEK_BASE_UR ## Conventions - Every npm package is `@deepseek-ai/dsh-`; vendored packages keep upstream names and are `private: true`. `cordis` is a peerDependency (+ dev) of every harness package. -- ESM everywhere (`"type": "module"`). Cross-package imports use package names, never relative paths; in-package relative imports use explicit `.ts` extensions. Dev/test/demo run unbuilt via tsx + the root tsconfig `paths` map; building is only for consumers outside the repo. +- ESM everywhere (`"type": "module"`). Cross-package imports use package names, never relative paths; in-package relative imports use explicit `.ts` extensions. Dev/test/demo run unbuilt via tsx + the root tsconfig `paths` map; builds are for outside consumers only. - **Registrations are effects**: every contribution goes through `ctx.effect()` / `ctx.on()`; a registry's `register()` returns the disposer. -- **Typed events via declaration merging**; extensible unions use the merge-extensible-map pattern (`ContentBlockMap`, `SessionEventMap`, …). Every new event's JSDoc carries an `@mode` tag and a `@param` per payload parameter (`this`/trailing `next` exempt); every public service-class method documents each parameter and non-void return (`@param`/`@returns`) — the catalog generator hard-errors otherwise ([completeness RFC](docs/rfc/implemented/process/2026-07-04-cordis-jsdoc-completeness-gate.md)); mode semantics are in the [generated catalog](docs/cordis-catalog/events-and-services.md) header and [the catalog RFC](docs/rfc/implemented/process/2026-06-20-generated-cordis-catalog.md). +- **Typed events via declaration merging**; extensible unions use the merge-extensible-map pattern (`ContentBlockMap`, `SessionEventMap`, …). Every new event's JSDoc carries an `@mode` tag and a `@param` per payload parameter (`this`/trailing `next` exempt); every public service-class method documents each parameter and non-void return (`@param`/`@returns`) — the catalog generator hard-errors otherwise; mode semantics are in the [generated events catalog](docs/cordis-catalog/events.md) header. - **Discriminated unions: `switch` on the tag**, not if-chains. Closed unions end with `default: assertNever(...)`; merge-extensible unions must NOT — handle known cases and fall through `default` with a comment. -- **Waterfall listeners MUST call `next()`** to delegate; returning without it is the veto ([semantics](docs/architecture.md#cordis-waterfall-semantics-important)). +- **Waterfall listeners MUST call `next()`** to delegate; returning without it is the veto ([semantics](docs/cordis-primer.md#cordis-waterfall-semantics)). +- **Model-visible ⟺ logged**: anything that reaches a model request must be reconstructable from the session log; a new model-visible input requires a session event. - **Plugins, not loop changes**: new behavior goes on the documented extension seams; changing `agent-loop` requires updating docs/architecture.md. -- **Capability seams are three packages** — interface / implementation / consumer ([capability seams](docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)); don't split preemptively. -- **Explicit > implicit at package seams**: no optional field silently filled by a hidden `?? default` inside `run()`; defaulting is an explicit `resolve(request): Spec` step in the owning implementation (the `dsh-bash` request/spec split is the template). -- **Opaque cross-boundary ids are branded** (`Branded` from `dsh-brand`), never bare `string` ([branded IDs](docs/rfc/implemented/architecture/2026-06-20-branded-ids.md)). +- **Capability seams are three packages** — interface / implementation / consumer; don't split preemptively. +- **Explicit > implicit at package seams**: defaulting is an explicit `resolve(request): Spec` step in the owning implementation, never a hidden `?? default` inside `run()` (the `dsh-bash` request/spec split is the template). +- **No hardcoded tunables in plugins**: anything two deployments could want different — timeouts, caps, model names, base URLs — is a defaulted, validated `Config` field, not a literal; a `DEFAULT_*` constant or test-only seam is not configurability. The test: changeable from `cordis.yml`, no code edit. Protocol/wire constants, external-spec values, security invariants stay hardcoded. +- **Misconfiguration fails loud**: a config value referencing something that does not exist (a `toolOrder` tool name, a plugin path) throws — at load when the check is self-contained, else at the earliest moment the referent exists (for `toolOrder`, every prompt assembly) — never a silent skip. +- **Opaque cross-boundary ids are branded** (`Branded` from `dsh-brand`), never bare `string`. - **An empty `catch` names what it swallows** and why nothing else can reach it; keep the `try` to one statement. -- **Symmetry is usually more correct**: parallel values get parallel form; asymmetry is a smell for a missed extraction. -- **Tests document behavior, not golden truth**: a green test pins what the code DOES, not what it SHOULD do. Before preserving a behavior solely for its test, ask whether it is load-bearing; an artifact changes together with its test, with the why in the PR ([worked example](docs/rfc/implemented/simplification/2026-06-19-drop-mutable-session-summary.md)). -- **RFCs are proposals, not golden truth**: validate its premise against current code before implementing; friction is evidence of over-reach — amend on the way to `implemented/` ([worked example](docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md)). -- **Testing policy** — tiers, with-key generosity, real-over-mock, world-verification, real-load-path and published-bin guards: [docs/testing.md](docs/testing.md). A transcript/UX-affecting change needs a snapshot test, or a PR note why none applies. -- **A tool's ACP render intent is part of its design**, decided up front (`generic`/`terminal`/`diff`, `locations`); presentation methods are pure functions of `args` ([render-intent RFC](docs/rfc/implemented/architecture/2026-07-02-tool-render-intent-union.md), [cookbook](docs/cookbook/adding-a-tool.md)). +- **Symmetry is usually more correct**: parallel values get parallel form; asymmetry smells of a missed extraction. +- **Tests document behavior, not golden truth**: a green test pins what the code DOES, not what it SHOULD do. Before preserving a behavior solely for its test, ask whether it is load-bearing; an artifact changes together with its test, with the why in the PR. +- **RFCs are proposals, not golden truth**: validate its premise against current code before implementing; friction is evidence of over-reach — amend on the way to `implemented/`. +- **Testing policy** — [docs/testing.md](docs/testing.md). Transcript/UX changes need snapshots or a PR note. Snapshot fixtures must replay on macOS/Linux; avoid GNU/BSD-only commands (e.g. `sed -i`); fix fixtures, not normalizers. +- **A tool's ACP render intent is part of its design**, decided up front (`generic`/`terminal`/`diff`, `locations`); presentation methods are pure functions of `args` ([cookbook](docs/cookbook/adding-a-tool.md)). - **A new capability seam, lifecycle shape, or transcript surface names its coverage at every tier (unit, e2e, snapshot) at plan time** and verifies the harness can express it — a gap is scheduled work, not a mid-build surprise. - **Merge PRs with merge commits** (`gh pr merge --merge`), never squash/rebase. **Never rewrite a pushed branch**; update a child by merging its parent down. **A review fix lands on the PR that introduced the issue, as a separate commit**, then merges down ([stacked-review guide](docs/cookbook/responding-to-pr-review-on-a-stack.md)). - TODO markers: `FIXME`/`TODO`/`XXX` by urgency ([semantics](docs/development.md)). @@ -107,13 +115,13 @@ Real-API tests and demos read `DEEPSEEK_API_KEY` (and optional `DEEPSEEK_BASE_UR ## Type safety and documentation -Everything compiles under `strict: true` with `noImplicitAny`; every remaining `any` carries a comment saying why a narrower type is infeasible. Every module has a module-level doc comment; every export (and non-obvious method) has a JSDoc explaining semantics — contracts, disposal, errors — not the name restated; internal helpers only where non-obvious; one-liners when one line suffices. Lean toward the stricter lint rule and the extra mechanical gate: encode invariants in checks (`verify-*` scripts), preferring a narrow justified escape hatch over a rule left off globally. Type gymnastics are acceptable inside core packages when they buy plugin-author DX (the `defineTool` schema DSL is the canonical example). +Everything compiles under `strict: true` with `noImplicitAny`; every remaining `any` carries a comment saying why a narrower type is infeasible. Every module has a module-level doc comment; every export (and non-obvious method) has a JSDoc explaining semantics — contracts, disposal, errors — not the name restated; internal helpers only where non-obvious; one-liners when one line suffices. The export half is mechanical: `verify-export-jsdoc` (in `doc-sync`) requires description prose on every package export plus `@param`/`@returns` (and an annotated return) on function-like ones. Heritage-declared members, plugin-protocol slots, and constructors are exempt — their docs' one home is the seam declaration, the framework protocol, and the class doc respectively. Lean toward the stricter lint rule and the extra mechanical gate: encode invariants in checks (`verify-*` scripts), preferring a narrow justified escape hatch over a rule left off globally. Type gymnastics are acceptable inside core packages when they buy plugin-author DX (the `defineTool` schema DSL is the canonical example). Docs are part of every change: code changes update their README and JSDoc in the SAME change; a bilingual-pair edit updates the counterpart and re-records ([i18n contract](docs/i18n/README.md)). The writing rules — document the current state never the history, one physical line per paragraph, one home per fact — and the word-budget gate live in [docs/AGENTS.md](docs/AGENTS.md). ## Editing these instructions -`AGENTS.md` is the real file; `CLAUDE.md` is a symlink to it (root, `packages/`, `examples/`). Edit `AGENTS.md`, never the symlink. This file is budget-gated (`verify-doc-budgets`): additions displace something or justify a ceiling raise in the PR. +`AGENTS.md` is the real file; `CLAUDE.md` is a symlink to it (root, `packages/`, `examples/`). Edit `AGENTS.md`, never the symlink. Keep it self-contained: state each principle inline instead of citing RFCs (they stay discoverable via the RFC index); linking high-level docs — architecture, testing, cookbooks — is fine. This file is budget-gated (`verify-doc-budgets`): condense first if it is possible without sacrificing clarity; truly needed additions may justify a ceiling raise. ## Vendoring policy diff --git a/README.i18n.yaml b/README.i18n.yaml index b765b44217..db27519f15 100644 --- a/README.i18n.yaml +++ b/README.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -README.md: 7ddf68bab06ecf891856e6d1393ccdefd9eeba38 -README.zh.md: ad568c808d4c8003a84734bc8035fac9a07d27b4 +README.md: 53dd3896eb15800125673e7c44f7de02daca9376 +README.zh.md: 5de4c5b6804648f061647d9e315c08a32b42b39b diff --git a/README.md b/README.md index 7ddf68bab0..53dd3896eb 100644 --- a/README.md +++ b/README.md @@ -15,6 +15,6 @@ pnpm run demo:repl # REPL agent demo (needs DEEPSEEK_API_KEY) pnpm run demo:acp # ACP server agent demo (needs DEEPSEEK_API_KEY) ``` -For humans, start with the [development guide](docs/development.md) for local setup, hooks, environment variables, and quality gates, then read the [architecture design](docs/architecture.md) before package work. Local context lives in [packages/](packages/) and [vendor/](vendor/). +For humans, start with the [development guide](docs/development.md) for local setup, hooks, environment variables, and quality gates, then read the [architecture design](docs/architecture.md) and [documentation graph index](docs/graph-atlas.md) before package work. Local context lives in [packages/](packages/) and [vendor/](vendor/). For agents, follow [AGENTS.md](AGENTS.md). diff --git a/docs/AGENTS.md b/docs/AGENTS.md index 7b210df89f..6824c71cc6 100644 --- a/docs/AGENTS.md +++ b/docs/AGENTS.md @@ -1,6 +1,6 @@ # AGENTS.md — The documentation standard -This file is the contract for every Markdown surface in the repo: each tier's job, the writing rules, and the word budgets the `verify-doc-budgets` gate enforces. The audit/apply workflow is the [dsh-doc-standards](../.agents/skills/dsh-doc-standards/SKILL.md) skill; the decision record is [the doc-tiers-and-budgets RFC](rfc/implemented/process/2026-07-04-doc-tiers-and-budgets.md). +This file is the contract for every Markdown files in the repo: each tier's job, the writing rules, and the word budgets that `verify-doc-budgets` enforces. The audit/apply workflow is the [dsh-doc-standards](../.agents/skills/dsh-doc-standards/SKILL.md) skill; the decision record is [the doc-tiers-and-budgets RFC](rfc/implemented/process/2026-07-04-doc-tiers-and-budgets.md). ## The tier taxonomy: one home per fact @@ -10,14 +10,14 @@ Every fact has exactly one home — the tier whose job it is — and every other |---|---|---| | Root `AGENTS.md` | Standing orders: rules an agent needs in context in every session, one to three lines each, linking its home | Stories, worked examples, situational procedures, anything restated from a linked home | | Subtree `AGENTS.md` (`packages/`, `examples/`, `docs/`) | Orders specific to that subtree | Repo-wide rules the root file already carries | -| [architecture.md](architecture.md) | The system map: layering, services, the loop, extension seams — read before changing `packages/` | Type shapes (→ core-data-structures), per-package detail (→ package READMEs), decision rationale (→ RFCs), implementation-status annotations | +| [architecture.md](architecture.md) | The system map: services, the loop, extension seams — read before changing `packages/` | Type shapes (→ core-data-structures), per-package detail (→ package READMEs), decision rationale (→ RFCs), implementation-status annotations | | [core-data-structures/](core-data-structures/core.md) | The type catalog: literal shapes and semantics of the spine and seam vocabulary | Behavior narration (→ architecture.md) | | [rfc/](rfc/README.md) | Decision records: the why and the what-was-given-up; `implemented/` RFCs describe shipped reality in present tense | Migration plans, test checklists, and spec-speak ("should…") once the decision has shipped | | [postmortem/](postmortem/README.md) | Incident stories — the only tier where war-story narrative belongs | — | | [cookbook/](cookbook/adding-a-package.md) | Step-by-step how-tos with numbered verify steps | Design rationale (→ the RFC each guide links) | | Package README | The per-package contract: config, semantics, limitations, extension points | JSDoc restatement, generated-catalog restatement (event/tool tables), other packages' concerns | -| [development.md](development.md) | Human-facing setup and daily workflow; a bilingual pair under the [i18n contract](i18n/README.md) | Gate-by-gate enumerations that drift from `package.json` scripts | -| Generated catalogs: [cordis-catalog](cordis-catalog/events-and-services.md), [tool-catalog](tool-catalog/tools.md), [module-graph.md](module-graph.md) | Exhaustive enumerations regenerated from source, freshness-gated | Hand edits of any kind | +| [development.md](development.md) | First-stop contributor onboarding: local setup, daily workflow, and CI shape at summary level; a bilingual pair under the [i18n contract](i18n/README.md) | Runtime/version rationale (→ RFCs), gate-by-gate enumerations that drift from `package.json` scripts | +| Generated catalogs: [cordis events](cordis-catalog/events.md), [cordis services](cordis-catalog/services.md), [tool-catalog](tool-catalog.md), [config-catalog](config-catalog.md), [persistence-catalog](persistence-catalog.md), [module-graph.md](module-graph.md) | Exhaustive enumerations regenerated from source, freshness-gated | Hand edits of any kind | | Skills (`.agents/skills/`) | Workflows: how to carry out a recurring task against the contracts | The contracts themselves (→ docs) | Placement test: a story about a bug → postmortem. Why we chose X → RFC. How to do task Y → cookbook. What type Z looks like → core-data-structures. What package P promises → its README. A rule every agent must always obey → root AGENTS.md, one line, linking the home that holds the why. @@ -31,14 +31,19 @@ Placement test: a story about a bug → postmortem. Why we chose X → RFC. How - **Every new event's JSDoc carries an `@mode` tag** (emit | waterfall | parallel | serial); the catalog generator hard-errors without it. Write the JSDoc to stand alone — it becomes the catalog entry ([catalog RFC](rfc/implemented/process/2026-06-20-generated-cordis-catalog.md)). - **The [core-data-structures catalog](core-data-structures/core.md) updates in the same change** that reshapes a documented type. `verify-type-equiv` catches drifted pastes, not never-documented new types ([what counts as core](core-data-structures/core.md#what-counts-as-core)). - **Bilingual pairs update together**: editing either side obligates the counterpart and a re-record in the same change ([i18n contract](i18n/README.md)). +- Your audience is professional programmers. Prefer concise and straight-forward English over metaphor. Do not overuse words like "gate", "vocabulary", "surface", "seams". -## Budgets and the ceiling gate +## Wordcount Budgets -Standing docs accrete: every PR has a lesson it wants to append, and without displacement pressure nothing ever leaves. The gate is that pressure. [scripts/doc-budgets.manifest.json](../scripts/doc-budgets.manifest.json) lists the accretion-prone standing docs with a word ceiling each; `pnpm run verify-doc-budgets` (part of `doc-sync`, so CI and pre-push run it) fails when a doc exceeds its ceiling, and fails when a budgeted file is missing so a rename cannot orphan its budget. +Every PR has a lesson it wants to append, and without pressure nothing leaves. [scripts/doc-budgets.manifest.json](../scripts/doc-budgets.manifest.json) stores the allowed word-count ceiling for each budgeted standing doc; `pnpm run verify-doc-budgets` fails when a doc exceeds its ceiling or a budgeted file is missing. -- Ceilings are an enforcement frontier with working headroom: a ceiling sits at least 5% above the doc's current size — routine edits pass, real growth trips the gate — and ratchets down, keeping the margin, as the doc reaches target. Target budgets: root `AGENTS.md` ≤ 1,500 words; `architecture.md` ≤ 1,800; each subtree `AGENTS.md` ≤ 600, except this file (which carries the standard) ≤ 1,250; `packages/README.md` ≤ 600. -- When the gate goes red, the fix is to relocate or condense per the taxonomy above. Raising a ceiling is the last resort: the PR must justify it; the manifest diff is the reviewable act. -- Unbudgeted tiers (package READMEs, RFCs, reference matrices) have no ceiling — length is legitimate there when every row is a fact. Review and the slop checklist govern them instead. +When the gate goes red: + +1. **Relocate** content that belongs in another tier; leave a one-line link if needed. +2. **Condense** content that belongs here but can be shorter. +3. **Raise** the ceiling only when the words truly need the space; justify the manifest diff in the PR. A too-low ceiling is a budget bug. + +Ceilings keep working headroom: at least 5% above the current size, ratcheted down after trims. Target budgets: root `AGENTS.md` ≤ 1,500 words; `architecture.md` ≤ 1,800; each subtree `AGENTS.md` ≤ 600, except this file ≤ 1,250; `packages/README.md` ≤ 600. Unbudgeted tiers (package READMEs, RFCs, reference matrices) have no ceiling; review and the slop checklist govern them. ## The slop checklist diff --git a/docs/agent-lifecycle.md b/docs/agent-lifecycle.md new file mode 100644 index 0000000000..d6d9ab1ba7 --- /dev/null +++ b/docs/agent-lifecycle.md @@ -0,0 +1,49 @@ + + +# Agent Turn And Step Lifecycle + +This sequence is the visual companion to [architecture.md](architecture.md#loop-lifecycle-session--turn--step). It keeps durable replay facts on `session/event` and live control/status on `agent/*`. + +```mermaid +sequenceDiagram + participant User + participant Agent + participant Driver + participant Hooks as hook listeners + participant Prompt as ctx.systemPrompt + participant LLM as ctx.llm + participant Tools as ctx.tools + participant Session + participant Persistence + participant SDK as UI or SDK listener + User->>Agent: send(content) + Agent-->>SDK: agent/queued + Agent->>Driver: queued work wakes driver + Driver-->>SDK: agent/status running + Driver->>Session: turn/start + Driver->>Hooks: agent/prompt-submit waterfall + Hooks-->>Driver: allow, block, or add context + Driver->>Session: user/message or rejected turn/end + Driver->>Prompt: system-prompt/assemble waterfall + Driver-->>Driver: agent/pre-step serial checkpoint + Driver->>Session: step/start + Driver->>LLM: agent/request waterfall, then llm/stream waterfall + LLM-->>Driver: StreamChunk* + Driver->>Session: assistant/chunk* + Session-->>SDK: session/event assistant/chunk* + Driver->>Hooks: agent/step-result waterfall + Driver->>Session: assistant/message + Driver->>Session: tool/call + Driver->>Tools: execute through pre and post waterfalls + Tools-->>Session: tool-owned events when applicable + Driver->>Session: tool/result and step/end + Driver->>Hooks: agent/turn-continuation waterfall + Driver->>Session: turn/end + Driver->>Persistence: session/flush parallel checkpoint + Driver-->>SDK: agent/status idle +``` + +SDK users that need replayable transcript data should consume `session/event`; `agent/*` is the live coordination surface for queue/status, prompt interception, request shaping, steering, continuation, and errors. + +Maintenance mode: curated Mermaid sequence; exact event signatures live in the generated Cordis catalog. diff --git a/docs/architecture.md b/docs/architecture.md index 79cc26dc4f..c1755dc815 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -1,161 +1,162 @@ # DeepSeek Harness Architecture -This document describes the architecture of the DeepSeek Harness — the foundation of **DeepSeek Code**. The governing principle, from the [microkernel design discussion][microkernel-doc]: **everything is a plugin**. The core is deliberately tiny — a handful of abstract services plus one concrete loop plugin (`dsh-agent-loop`) — and every product feature is a plugin against the extension surface described here, without modifying the loop. +The **DeepSeek Harness SDK** builds agent harnesses on Cordis. The principle is simple: **everything is a plugin**. The shipped loop is one plugin, not a privileged kernel. -This document covers **behavior**; type shapes live in [core-data-structures/](core-data-structures/core.md), the per-event/service reference in the [generated catalog](cordis-catalog/events-and-services.md), per-package contracts in the package READMEs ([map](../packages/README.md)). Requirement context: [Coding Harness MVP 需求分析][mvp-doc]. +## Overview -[microkernel-doc]: https://trtgsjkv6r.feishu.cn/wiki/VS9Lw1kQki6mDJk2UHocyuphnsc -[mvp-doc]: https://trtgsjkv6r.feishu.cn/wiki/ZwK6wfBE9i91V6kzMGYcgRGanxg +The project is based on [Cordis](cordis-primer.md). -## Layering +A running harness is one Cordis context. Packages contribute service keys, typed events, and disposable registrations to that context. Services provides stable call signatures (`ctx.llm`, `ctx.tools`, `ctx.sessions`); events are interception and notification points (`agent/request`, `tools/pre-execute`, `session/event`); registrations install prompt sections, tool schemas, providers, adapters, and listeners. -``` -┌────────────────────────────────────────────────────────────────┐ -│ extension + implementation plugins │ -│ dsh-agent-loop — THE concrete loop plugin │ -│ LLM adapters · executors/backends · model-facing tools │ -│ subagent providers · hook bridges · UI bridges │ -├────────────────────────────────────────────────────────────────┤ -│ interface/service packages (each owns a ctx key + vocabulary) │ -│ dsh-agent · dsh-tools · dsh-system-prompt · dsh-session │ -│ dsh-llm · dsh-bash · dsh-fs · dsh-web · dsh-compact │ -│ dsh-subagent · dsh-session-persistence │ -├────────────────────────────────────────────────────────────────┤ -│ vendor/: pinned Cordis framework source (cordis, loader, …) │ -└────────────────────────────────────────────────────────────────┘ -``` +Composition is preferred over inheritance. `packages/core/` is a repository grouping for the default agent flow; capability around it are equally first-class plugins from a Cordis perspective. -Dependency rule: extension plugins depend on interfaces, never on `dsh-agent-loop` (the loop is swappable); the sanctioned exception is the composition bundle `dsh-agent-core`, whose job is assembling the concrete spine ([full rule + generated graph](../packages/README.md#dependencies)). - -## Service map +### Default Services | ctx key | Package | Role | |---|---|---| -| `ctx.llm` | dsh-llm | adapter registry; `stream()` | -| `ctx.sessions` | dsh-session | creates/holds event-sourced `Session`s | -| `ctx.sessionPersistence` | dsh-session-persistence | durable persistence: create/append/load/list | -| `ctx.systemPrompt` | dsh-system-prompt | ordered sections + tool schemas → `assemble()` | -| `ctx.tools` | dsh-tools | tool definitions; `execute()` through waterfall | -| `ctx.agents` | dsh-agent | live `Agent` handles + create/resume factory (returns `AgentHandle { agent, dispose() }`) | -| `ctx.agentLoop` | dsh-agent-loop | creates and drives `ReactLoopAgent`s | -| `ctx.bash` | dsh-bash | bash execution: foreground runs + background tasks | -| `ctx.fs` | dsh-fs | filesystem provider: read/stream, atomic writes/edits; owns the `fs/*` policy events | -| `ctx.compact` | dsh-compact | compaction: detect pressure, summarize an older range | -| `ctx.web` | dsh-web | search/fetch provider registries + `WebError` taxonomy | -| `ctx.subagents` | dsh-subagent | named provider registry for delegating to child agents | +| `ctx.sessions` | `dsh-session` | in-memory event-sourced sessions | +| `ctx.systemPrompt` | `dsh-system-prompt` | ordered prompt sections, tool schemas, and prompt variables | +| `ctx.tools` | `dsh-tools` | tool registry and [execution pipeline](tool-execution-pipeline.md) | +| `ctx.agents` | `dsh-agent` | live agent registry, public `Agent` handle, `agent/*` events | +| `ctx.agentLoop` | `dsh-agent-loop` | shipped `ReactLoopAgent` driver | -All registrations go through `ctx.effect()` and return disposers, so hot-reload and fiber disposal clean up automatically (full service interfaces: the [generated catalog](cordis-catalog/events-and-services.md) `## Services` section). +### Capability Services -## Capability seams: interface / implementation / consumer +| ctx key | Package family | Role | +|---|---|---| +| `ctx.llm` | [`llm/`](../packages/llm/README.md) | adapter registry and streaming model calls | +| `ctx.bash` | [`bash/`](../packages/bash/README.md) | foreground/background command execution | +| `ctx.sandbox` | [`sandbox/`](../packages/sandbox/README.md) | same-world process confinement (argv wrapping, per-call policy) | +| `ctx.codeRuntime` | [`code-runtime/`](../packages/code-runtime/README.md) | model-written program execution | +| `ctx.fs` | [`fs/`](../packages/fs/README.md) | filesystem provider primitives and policy events | +| `ctx.skills` | [`skill/`](../packages/skill/README.md) | skill provider registry and progressive disclosure | +| `ctx.web` | [`web/`](../packages/web/README.md) | search/fetch provider registries | +| `ctx.compact` | [`compact/`](../packages/compact/README.md) | session-log compaction | +| `ctx.subagents` | [`subagent/`](../packages/subagent/README.md) | named delegation providers | +| `ctx.workflows` | [`workflow/`](../packages/workflow/README.md) | script-driven multi-agent orchestration | +| `ctx.sessionPersistence` | [`session-persistence/`](../packages/session-persistence/README.md) | durable storage for session logs | -Swappable capabilities split into three packages — **interface** (abstract service + vocabulary, owns the ctx key), **implementation** (a concrete subclass loaded as a plugin), **consumer** (what the model and plugins program against) — so each evolves independently; the bash trio is the template ([capability seams RFC](rfc/implemented/architecture/2026-06-13-capability-seams.md)). Keep interface + consumer together when they are one concern (the LLM seam: `dsh-llm` carries both, adapters implement); don't split preemptively. +## Event -Two seams bend the template deliberately: +Events are the harness extension API used by Service. The generated [events catalog](cordis-catalog/events.md) is the exhaustive reference. The [producer/consumer map](event-producer-consumer.md) shows which packages emit or listen to each event. -- **Filesystem** adds a policy layer as an **event gate**, not a method service: `dsh-tool-fs` (the `read`/`write`/`edit` tools AND executor) dispatches `fs/*` intent events that `dsh-fs-policy` decides, so dropping the policy plugin degrades to the bare provider instead of breaking an injection ([event-gate RFC](rfc/implemented/architecture/2026-06-26-file-context-as-event-gate.md)). Paths resolve against the caller's session cwd, matching bash ([per-session cwd RFC](rfc/implemented/architecture/2026-07-02-fs-per-session-cwd.md)). -- **Web** folds search and fetch onto one seam: `ctx.web` is a provider REGISTRY (`registerSearchProvider`/`registerFetchProvider`, registration-order-independent selection); providers register like LLM adapters, and `dsh-tool-web` is the single consumer owning the tool schemas ([web seam RFC](rfc/implemented/architecture/2026-06-24-web-capability-seam.md)). +### Event Domains -> The seam pattern is plain Cordis services + `inject` (a consumer's fiber stays pending until the service exists). Despite the name, `@cordisjs/plugin-capability` is unrelated — a permission-security service (a candidate for the deferred permissions work), not a mechanism for swapping implementations. +Pick the event domain for new behavior: -## The vocabulary (dsh-llm) +- **Session events** are durable, replayable facts. Turn and step boundaries, user input, assistant output, tool calls, tool results, steering, compaction records, and tool-owned durable facts append to the session log and flow through `session/event`. +- **Agent events** carry the live `Agent` handle for status, diagnostics, prompt admission, call-config shaping, result validation, and continuation policy. +- **Capability events** belong to the seam that owns the action. `tools/*`, `llm/*`, `system-prompt/*`, `fs/*`, and `subagent/*` let policy and adapters attach without importing the loop. -Messages are arrays of typed **content blocks** (`text`, `reasoning`, `tool-call`, `tool-result`, `image`); the union derives from the merge-extensible `ContentBlockMap`; the same pattern types `MessageSource`, `FinishReason`, `TurnTrigger`, `TurnEndReason`. Streaming is a raw chunk protocol (`block-start` … `finish`) with `BlockAssembler` as the single shared chunk→block assembler; the loop logs raw chunks (replay fidelity) while assembling them. `LlmAdapter` is the provider seam: subclass, implement `stream()`, register via `ctx.llm.registerAdapter(models, adapter)`; `dsh-llm-deepseek` and `dsh-llm-pi-ai` implement the one contract as deliberate design twins ([twin RFC](rfc/implemented/architecture/2026-06-13-twin-llm-adapters.md)). The StreamChunk conventions (usage/finish ordering, raw-string tool arguments, the two sanctioned error paths) are pinned in `dsh-llm/src/types.ts` and [llm-streaming.md](core-data-structures/llm-streaming.md). +### Interception Semantics -## Event-sourced sessions (dsh-session) +Waterfall events behave like around-middleware: a listener delegates by calling `next()`; returning without it vetoes or takes over. Full rule: [Cordis waterfall semantics](cordis-primer.md#cordis-waterfall-semantics). -A `Session` is an append-only log of typed `SessionEvent`s — the single source of truth. The LLM message history is *derived* (`deriveMessages()`): user/assistant messages, tool results, and envelope-tagged context/steering messages come from their events in chronological order (raw `assistant/chunk` events are replay/UI data, skipped; the per-event mapping is in [session.md](core-data-structures/session.md)). Replay/fork = `ctx.sessions.create(id, { seed })`; trace/telemetry = listen to `session/event` ([event-sourcing RFC](rfc/implemented/architecture/2026-06-11-event-sourced-sessions.md)). +## Default Loop Lifecycle -**Durability**: `session/event` is a synchronous notification; persistence backends buffer write-behind and drain at the awaited `session/flush` checkpoint at every turn end. The abstract `SessionPersistence` seam defines create/append/load/list over `SessionEvent` (no parallel persisted type); metadata travels as `SessionHeader`; crash recovery preserves an interrupted turn by closing it with a synthetic `turn/end {interrupted}`. Two backends (JSONL, SQLite) pass one shared contract suite ([persistence RFC](rfc/implemented/architecture/2026-06-14-session-persistence.md), [write coordinator RFC](rfc/implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md)). Resume = `ctx.agents.resume({ resumeSessionId })`. +The shipped loop drains queued work, assembles a request, streams a model answer, executes tools, decides whether to continue, and checkpoints durable state. The important part is where it pauses: each pause is a documented service call or event that another plugin can use. -## Prompt assembly (dsh-system-prompt) +A **session** is one agent's append-only event log. A **turn** drains one queued batch and runs until the model stops asking for tools and no plugin requests continuation. A **step** is one model request plus the tool executions caused by that response. In the flow below ([sequence companion](agent-lifecycle.md)), quoted names are durable session events and event names are extension points. -Plugins contribute `PromptSection`s (named, ordered, static or computed) and tool-schema providers; `assemble()` returns `PromptAssembly { sections, tools }` through the `system-prompt/assemble` waterfall. Tool schemas are deliberately part of the assembly — "what the model is told it can do" is one coherent thing — though adapters transmit them as the wire-level `tools` field ([RFC](rfc/implemented/architecture/2026-06-11-tool-schemas-in-prompt-assembly.md)). +### Turn Flow -## Tool pipeline (dsh-tools) - -`ToolRegistry.register()` takes schema + `execute()`; schemas flow into the assembly automatically. `execute()` runs through a two-waterfall pipeline — `tools/pre-execute` (a `PreToolDecision`: allow/deny/ask) → core dispatch → `tools/post-execute` (a `PostToolDecision`: accept/block, replace content, attach context) — the seams where sandbox, permission, hook, and plan-mode plugins live. A thrown tool still reaches `post-execute` as an `isError` result. - -## Agents (dsh-agent) and the loop (dsh-agent-loop) - -`Agent` is the handle every plugin programs against: `send()` (queued), `steer()` (mid-turn injection, drained between steps), `inject()` (in-session context; a one-shot `injection` turn when idle), `cancel()` (the single public stop primitive: clears queued + steering work, aborts the in-flight step, drops a turn about to start), `whenIdle()` (quiescence observation, not teardown), plus `session`/`status`/`options`. A lifecycle owner tears down via `await AgentHandle.dispose()` — stop, await exit, unregister. Full semantics: [core.md](core-data-structures/core.md), [lifecycle RFC](rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md). - -**Subagents** are a seam, not a method on `Agent`: `ctx.subagents` is a named-provider registry (`spawn` starts fresh, `fork` seeds the child with the parent's completed-turn prefix, ACP drives an out-of-process child); children are ordinary `Agent`s. See [subagent.md](core-data-structures/subagent.md), [subagent RFC](rfc/implemented/feature/2026-06-21-subagent-capability-seam.md). - -### Loop lifecycle (session / turn / step) - -- **Session**: the whole event log of one agent. -- **Turn**: ≥1 queued message; steps run until the model stops requesting tools and no plugin requests continuation. -- **Step**: one model request + its tool executions. - -``` -create agent → emit agent/session-start(source) ⟵ once, before turn 1 (startup|resume) +```text +create agent -> emit agent/session-start(source) forever: - wait for queued messages (idle) + wait for queued messages emit agent/status(running) - TURN (error-contained — a throwing plugin ends the turn, never the loop): - 'turn/start' ⟵ durable turn boundary (no agent/* mirror) - each queued msg: waterfall agent/prompt-submit ⟵ allow (rewrite/+context) | block - allow → session('user/message'…); inject additionalContext - every prompt blocked → 'turn/end'(rejected), 0 steps ⟵ zero-step turn, model never called + TURN: + 'turn/start' + each queued message -> agent/prompt-submit + allowed prompt -> 'user/message' plus injected context + every prompt blocked -> 'turn/end'(rejected) STEP loop: - drain steering (late steering from previous step's listeners) - assembly = ctx.systemPrompt.assemble() ⟵ waterfall system-prompt/assemble - await ctx.serial('agent/pre-step') ⟵ surface mutation (compaction) OUTSIDE the step - session('step/start') ⟵ durable step boundary (no agent/* mirror) - req = {model, system, tools, messages: session.deriveMessages(), signal} - req = waterfall agent/request ⟵ hooks, model switch - stream ctx.llm.stream(req) ⟵ waterfall llm/stream (raw chunks) - session('assistant/chunk') - if assembler.finish is error/aborted: throw ⟵ adapter's in-band error path → - step error (turn ends error/aborted, - not a normal completed message) - msg = waterfall agent/step-result ⟵ runs BEFORE the log append, so the - session('assistant/message' {content, usage?}) log records what tool dispatch uses - each tool-call (sequential, abort-checked between calls): - session('tool/call'); ctx.tools.execute() ⟵ waterfall tools/pre-execute (allow/ - deny/ask gate) → dispatch → tools/post-execute (accept/block, replace, +context) - tool execution may append tool-owned session events, e.g. `todo/write` - session('tool/result') - append buffered post-execute additionalContext → session('context/message')(s) - ⟵ after ALL tool/results (adjacency) - drain steering → session('steering/message'); emit agent/steering - session('step/end') ⟵ durable step boundary (no agent/* mirror) - cont = waterfall agent/turn-continuation(default = {action: hadToolCalls||steered - ? 'continue' : 'stop'}) → ContinuationDecision - a continue's reason is recorded as next-step steering (same turn); steering pending - also forces continue (continuation OR step/end listeners — the /goal pattern) - if action==stop: break - session('turn/end') ⟵ durable turn boundary (no agent/* mirror) - await ctx.parallel('session/flush', session) ⟵ durability checkpoint (failure - reported via agent/error, not fatal) - leftover steering re-enqueued as queued messages ⟵ steering is never stranded - emit agent/status(idle) unless more queued + drain steering + assemble system prompt and tool schemas + agent/session-prefix (first step) + agent/pre-step + 'step/start' + snapshot the derived messages (the reconstruction boundary) + agent/request (config only) -> log request/header -> llm/stream (frozen) + 'assistant/chunk' + agent/step-result + 'assistant/message' + each tool call: + 'tool/call' + tools/pre-execute -> tools/execute -> tools/post-execute + 'tool/result' + append post-tool context and steering + 'step/end' + agent/turn-continuation + stop unless tools or continuation policy ask for another step + 'turn/end' + checkpoint persistence and notify idle/running status ``` -Error containment: a throwing listener or broken step ends the **turn** (`turn/end { reason: { kind: 'error', step, … } }`), never the driver loop; live diagnostics fire via `agent/error`; an adapter's in-band error/aborted finish chunk becomes a step error. `cancel()` is honored mid-stream and between tool calls; disposal mid-turn ends the turn `disposed`. A post-`turn/end` failure (a rejecting `session/flush`) is reported via `agent/error` only — the turn stays balanced, the backend keeps its buffer. +Prompt assembly is single-path: `renderPrompt(assemble({ agent }))` IS the system prompt sent to the model. Plugins contribute ordered sections (static or computed from the per-call `AssembleContext`), tool schemas, and named variables interpolated as `{{name}}` at render — strictly, so an unknown or valueless reference fails the turn instead of shipping a hole. `dsh-system-prompt` owns the openers — the static `harness:identity` section (order −100) and the deployment's persona (order 0, its `persona` config, shared context-wide) — while the shipped loop registers the `model`/`cwd` variables; prompt-fact ownership is pinned by the [prompt-variables RFC](rfc/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md). -A turn ends with one `TurnEndReason` — `completed`, `aborted`, `error`, `disposed`, `max-tokens`, `rejected`, or `interrupted`; per-variant semantics (and the max-tokens-wins rule) are in [session.md § TurnEndReasonMap](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap). +Post-tool context lands after all tool results so tool-call/result adjacency stays stable. Steering drains between steps; leftover steering after a turn is re-queued as ordinary input. -**Turn-enclosure invariant**: every session event lives inside a turn, making the turn the single durability/replay boundary — anything after the last `turn/end` is an interrupted-crash tail. `dsh-invariants` enforces it in dev ([invariant RFC](rfc/implemented/architecture/2026-06-15-turn-enclosure-invariant.md)). +### Failure Boundaries -### Event taxonomy +The turn is the containment boundary. A throwing listener, adapter error finish, or failed step ends the current turn with an error reason and reports live diagnostics through `agent/error`; it does not kill the driver loop. `cancel()` clears queued and steering work, aborts the active model/tool boundary when possible, and records the appropriate turn end. Disposal stops the loop, awaits quiescence, unregisters the agent, and lets service disposers drain. -The `agent/*` events are declared in `dsh-agent` (so nothing depends on the loop package); each other service declares its own (`tools/*`, `llm/*`, `system-prompt/*`, `session/*`). The full catalog — signatures, dispatch modes, prose — is generated from source and freshness-gated: [cordis-catalog/events-and-services.md](cordis-catalog/events-and-services.md). Domain semantics (session = the fact log, agent = the live surface): [the event-domain RFC](rfc/implemented/architecture/2026-06-30-event-domain-semantics.md). +Every session event is turn-enclosed. Reloading a crashed session preserves the interrupted tail and closes it with a synthetic `interrupted` turn end. A failure after the durable turn has closed reports through `agent/error` only because no safe in-turn position remains. A turn ends with one `TurnEndReason` (`completed`, `aborted`, `error`, `disposed`, `max-tokens`, `rejected`, or `interrupted`); per-variant semantics are in [session.md § TurnEndReasonMap](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap). -### Cordis waterfall semantics (important) +### Agent Handles -`ctx.waterfall` is **around-middleware**, not a value reducer. Each listener receives `(...args, next)`: +`ctx.agents` owns live agents and returns an `AgentHandle { agent, dispose() }`. `Agent` is the API other plugins drive: `send()` queues work, `steer()` injects mid-turn content, `inject()` appends context and opens a one-shot injection turn when idle, `cancel()` is the public stop primitive, and `whenIdle()` observes quiescence. Lifecycle owners tear down with `await dispose()`. -- call `next()` to delegate to later listeners (and ultimately the core behavior), possibly wrapping it; -- return a value **without** calling `next()` to short-circuit (veto); -- listeners run in registration order; `prepend: true` jumps the queue. +## State -Composition caveat: values propagate through `next()`'s **return value** — a listener that returns a *new* object makes earlier listeners' mutations invisible downstream. Prefer mutate-then-`next()` for cooperative middleware; return a replacement only to take over the result. +### Session Log -## Extension guide +The session log is the source of truth. `deriveMessages()` projects session events into the `Message[]` sent to the model; raw `assistant/chunk` events stay in the log for replay and UI fidelity. Replay, fork, resume, transcript rendering, telemetry, and persistence all derive from the same event stream. -Plugin skeletons (tool, hook/permission gate, UI, protocol bridge) and the feature→mechanism map — which extension seam implements each product feature — live in [the extension cookbook](cookbook/extension-cookbook.md); step-by-step guides: [adding a package](cookbook/adding-a-package.md), [a tool](cookbook/adding-a-tool.md), [an LLM adapter](cookbook/adding-an-llm-adapter.md), [a vendored package](cookbook/adding-a-vendored-package.md). +**Model-visible ⟺ logged**: the log reconstructs every request — messages at `step/start` fronted by the header's session prefix, headers by folding `request/header` — and dev invariants assert this ([reconstructability RFC](rfc/implemented/architecture/2026-07-05-reconstructable-requests.md)). -## Deferred work (TODO) +Durability is a plugin concern. Persistence backends buffer synchronous `session/event` notifications and the loop awaits a turn-end checkpoint before moving on. The `SessionPersistence` seam stores `SessionEvent` directly, with metadata in `SessionHeader`; JSONL and SQLite share one contract suite. -Designed-for but not implemented: inter-agent channels beyond delegation (shared state, streaming output); the model-facing `/compact` consumer tool over `ctx.compact` ([compaction RFC](rfc/implemented/feature/2026-06-18-compaction-capability-seam.md)); parallel tool execution (concurrency-safety hints on `ToolDefinition`); session branching/tree if seed-based forking proves insufficient. +### Model Content + +Messages are arrays of typed content blocks (`text`, `reasoning`, `tool-call`, `tool-result`). The union derives from the merge-extensible `ContentBlockMap`; the same pattern types `MessageSource`, `FinishReason`, `TurnTrigger`, and `TurnEndReason`. New block types are coordinated across adapters, UI bridges, compaction pricing, and persistence, so block types remain a repo-wide contract. + +Streaming is a raw chunk protocol (`block-start` through `finish`) with `BlockAssembler` as the shared chunk-to-block assembler. The loop logs raw chunks while assembling them for dispatch. `LlmAdapter` is the provider seam: subclass, implement `stream()`, and register with `ctx.llm.registerAdapter(models, adapter)`. StreamChunk conventions live in [llm-streaming.md](core-data-structures/llm-streaming.md). + +## Extension And Composition + +### Capability Pattern + +A swappable capability usually splits into **interface / implementation / consumer**: the interface owns the `ctx` key and event names; an implementation registers a backend; a consumer exposes model-facing behavior through `ctx.tools` or prompt assembly. The bash trio is the reference shape, and the [capability graph](capability-seams.md) shows the current package families. + +Some seams bend the template deliberately. LLM keeps interface and consumer vocabulary together because adapters are the implementations. Filesystem adds policy gates around provider primitives. Web is one service with search and fetch provider registries, so provider swaps do not rename model tools. Skills and subagents use named provider registries; local skills scan project/user roots, and other providers can add embedded or remote catalogs without registry/tool changes. Subagents spawn fresh, fork from the parent's completed-turn prefix, or use ACP children ([subagent.md](core-data-structures/subagent.md)). + +### Bundles And Apps + +`dsh-agent-core` is the default composition bundle: one plugin loading the shared spine ([README](../packages/core/agent-core/README.md)). App packages compose it with a front door and boot `bin`: `dsh-stdio-agent` for terminal REPL, and `dsh-acp-agent` for ACP over JSON-RPC stdio with no stdout logger ([ui/](../packages/ui/README.md)). A deployment is a thin `cordis.yml` leaf: swappable backends, one app entry, and optional product tools ([examples/](../examples/AGENTS.md), [runnable wirings](cookbook/extension-cookbook.md#runnable-wirings), [graph atlas](graph-atlas.md)). + +### Where New Behavior Goes + +New behavior should attach to a documented extension point; changing the shipped loop requires updating this map. + +| Goal | Mechanism | +|---|---| +| Add a model provider | register an adapter on `ctx.llm` | +| Add a model-facing capability | register a tool on `ctx.tools`; schemas flow into prompt assembly | +| Add command execution | implement and register a `ctx.bash` backend | +| Add filesystem access or policy | implement a `ctx.fs` provider or listen on `fs/*` policy events | +| Confine spawned processes | a `ctx.sandbox` backend; consumers wrap their argv before spawning | +| Intercept prompts, requests, tool use, or continuation | listen on the relevant `agent/*` or `tools/*` waterfall | +| Add a session-stable request prefix outside history | compose it on `agent/session-prefix`, once per loop instance; logged on the request header | +| Add UI or editor integration | drive `ctx.agents` and render from `session/event` | +| Add durable session state | add a `SessionEventMap` member and render/replay from the log | +| Fork a live session | use `ctx.sessions.fork(source, boundary?, childSessionId?)` | + +The [extension cookbook](cookbook/extension-cookbook.md) carries plugin skeletons and the feature-to-seam map; step-by-step guides cover [packages](cookbook/adding-a-package.md), [tools](cookbook/adding-a-tool.md), [LLM adapters](cookbook/adding-an-llm-adapter.md), and [vendored packages](cookbook/adding-a-vendored-package.md). + +## Quick Reference +- Type definitions in [core-data-structures/](core-data-structures/core.md) +- Exact event and service signatures in [events](cordis-catalog/events.md) +- [services](cordis-catalog/services.md) catalogs +- package contracts in the [package map](../packages/README.md) +- [RFCs](rfc/README.md) diff --git a/docs/capability-seams.md b/docs/capability-seams.md new file mode 100644 index 0000000000..7b84133cbc --- /dev/null +++ b/docs/capability-seams.md @@ -0,0 +1,195 @@ + + +# Capability Seams And Core Services + +A service can be a core spine service, a swappable capability seam, or a bundle/composition point. The graph shows the package that owns the service declaration, known implementation packages, and packages that consume the service directly. + +```mermaid +flowchart LR + pkg_llm["llm"] + svc_llm["ctx.llm
LLM adapter registry"] + pkg_llm_deepseek["llm-deepseek"] + pkg_llm_pi_ai["llm-pi-ai"] + pkg_llm_replay["llm-replay"] + pkg_agent_loop["agent-loop"] + pkg_compact_basic["compact-basic"] + pkg_session["session"] + svc_sessions["ctx.sessions
In-memory session store"] + pkg_agent["agent"] + pkg_session_persistence["session-persistence"] + pkg_subagent_inprocess["subagent-inprocess"] + pkg_invariants["invariants"] + svc_sessionPersistence["ctx.sessionPersistence
Durable session persistence seam"] + pkg_session_persistence_jsonl["session-persistence-jsonl"] + pkg_session_persistence_sqlite["session-persistence-sqlite"] + pkg_acp["acp"] + pkg_system_prompt["system-prompt"] + svc_systemPrompt["ctx.systemPrompt
System prompt assembly registry"] + pkg_tools["tools"] + pkg_tool_fs["tool-fs"] + pkg_tool_web["tool-web"] + svc_tools["ctx.tools
Tool registry and execution waterfall"] + pkg_tool_ask_user["tool-ask-user"] + pkg_tool_bash["tool-bash"] + pkg_tool_cordis["tool-cordis"] + pkg_tool_skill["tool-skill"] + pkg_tool_subagent["tool-subagent"] + pkg_tool_todo["tool-todo"] + pkg_user_interaction["user-interaction"] + svc_userInteraction["ctx.userInteraction
Human question/answer seam"] + pkg_stdio_agent["stdio-agent"] + pkg_skill["skill"] + svc_skills["ctx.skills
Skill provider registry"] + pkg_skill_local["skill-local"] + svc_agents["ctx.agents
Agent registry"] + svc_agentLoop["ctx.agentLoop
Concrete loop driver"] + pkg_agent_core["agent-core"] + pkg_bash["bash"] + svc_bash["ctx.bash
Bash executor seam"] + pkg_bash_local["bash-local"] + pkg_bash_sandbox["bash-sandbox"] + pkg_hooks_claude["hooks-claude"] + pkg_hooks_codex["hooks-codex"] + pkg_sandbox["sandbox"] + svc_sandbox["ctx.sandbox
Process-sandbox seam"] + pkg_sandbox_local["sandbox-local"] + pkg_approval["approval"] + svc_approval["ctx.approval
Approval seam"] + pkg_code_runtime["code-runtime"] + svc_codeRuntime["ctx.codeRuntime
Code-execution seam"] + pkg_code_runtime_worker["code-runtime-worker"] + pkg_fs["fs"] + svc_fs["ctx.fs
Filesystem provider seam"] + pkg_fs_local["fs-local"] + pkg_fs_policy["fs-policy"] + pkg_compact["compact"] + svc_compact["ctx.compact
Compaction seam"] + pkg_subagent["subagent"] + svc_subagents["ctx.subagents
Subagent provider registry"] + pkg_subagent_spawn["subagent-spawn"] + pkg_subagent_fork["subagent-fork"] + pkg_subagent_acp["subagent-acp"] + pkg_subagent_mock["subagent-mock"] + pkg_web["web"] + svc_web["ctx.web
Web access provider registry"] + pkg_web_search_exa["web-search-exa"] + pkg_web_search_perplexity["web-search-perplexity"] + pkg_web_search_deepseek["web-search-deepseek"] + pkg_web_fetch_local["web-fetch-local"] + pkg_workflow["workflow"] + svc_workflows["ctx.workflows
Workflow script engine"] + pkg_workflow_workerthread["workflow-workerthread"] + pkg_tool_workflow["tool-workflow"] + pkg_acp --> svc_approval + pkg_acp --> svc_userInteraction + pkg_agent --> svc_agents + pkg_agent_loop --> svc_agentLoop + pkg_approval --> svc_approval + pkg_bash --> svc_bash + pkg_bash_local --> svc_bash + pkg_bash_sandbox --> svc_bash + pkg_code_runtime --> svc_codeRuntime + pkg_code_runtime_worker --> svc_codeRuntime + pkg_compact --> svc_compact + pkg_compact_basic --> svc_compact + pkg_fs --> svc_fs + pkg_fs_local --> svc_fs + pkg_llm --> svc_llm + pkg_llm_deepseek --> svc_llm + pkg_llm_pi_ai --> svc_llm + pkg_llm_replay --> svc_llm + pkg_sandbox --> svc_sandbox + pkg_sandbox_local --> svc_sandbox + pkg_session --> svc_sessions + pkg_session_persistence --> svc_sessionPersistence + pkg_session_persistence_jsonl --> svc_sessionPersistence + pkg_session_persistence_sqlite --> svc_sessionPersistence + pkg_skill --> svc_skills + pkg_skill_local --> svc_skills + pkg_stdio_agent --> svc_userInteraction + pkg_subagent --> svc_subagents + pkg_subagent_acp --> svc_subagents + pkg_subagent_fork --> svc_subagents + pkg_subagent_mock --> svc_subagents + pkg_subagent_spawn --> svc_subagents + pkg_system_prompt --> svc_systemPrompt + pkg_tools --> svc_tools + pkg_user_interaction --> svc_userInteraction + pkg_web --> svc_web + pkg_web_fetch_local --> svc_web + pkg_web_search_deepseek --> svc_web + pkg_web_search_exa --> svc_web + pkg_web_search_perplexity --> svc_web + pkg_workflow --> svc_workflows + pkg_workflow_workerthread --> svc_workflows + svc_agentLoop --> pkg_agent_core + svc_agents --> pkg_acp + svc_agents --> pkg_agent_loop + svc_agents --> pkg_invariants + svc_agents --> pkg_stdio_agent + svc_agents --> pkg_subagent_inprocess + svc_approval --> pkg_tool_bash + svc_approval --> pkg_tools + svc_bash --> pkg_hooks_claude + svc_bash --> pkg_hooks_codex + svc_bash --> pkg_tool_bash + svc_codeRuntime --> pkg_tools + svc_compact --> pkg_compact_basic + svc_fs --> pkg_tool_fs + svc_llm --> pkg_agent_loop + svc_llm --> pkg_compact_basic + svc_sandbox --> pkg_bash_sandbox + svc_sessionPersistence --> pkg_acp + svc_sessionPersistence --> pkg_agent_loop + svc_sessions --> pkg_agent + svc_sessions --> pkg_agent_loop + svc_sessions --> pkg_invariants + svc_sessions --> pkg_session_persistence + svc_sessions --> pkg_subagent_inprocess + svc_skills --> pkg_tool_skill + svc_subagents --> pkg_tool_subagent + svc_systemPrompt --> pkg_agent_loop + svc_systemPrompt --> pkg_tool_fs + svc_systemPrompt --> pkg_tool_web + svc_systemPrompt --> pkg_tools + svc_tools --> pkg_acp + svc_tools --> pkg_agent_loop + svc_tools --> pkg_tool_ask_user + svc_tools --> pkg_tool_bash + svc_tools --> pkg_tool_cordis + svc_tools --> pkg_tool_fs + svc_tools --> pkg_tool_skill + svc_tools --> pkg_tool_subagent + svc_tools --> pkg_tool_todo + svc_tools --> pkg_tool_web + svc_userInteraction --> pkg_acp + svc_userInteraction --> pkg_stdio_agent + svc_userInteraction --> pkg_tool_ask_user + svc_web --> pkg_tool_web + svc_workflows --> pkg_tool_workflow + svc_fs -. event gate .-> pkg_fs_policy +``` + +| ctx key | Role | Owner | Implementations | Direct consumers | Companion plugins | Note | +| --- | --- | --- | --- | --- | --- | --- | +| `ctx.llm` | `seam` | [`llm`](../packages/llm/llm) | [`llm-deepseek`](../packages/llm/llm-deepseek), [`llm-pi-ai`](../packages/llm/llm-pi-ai), [`llm-replay`](../packages/support/llm-replay) | [`agent-loop`](../packages/core/agent-loop), [`compact-basic`](../packages/compact/compact-basic) | - | Adapters register provider implementations; the loop and compaction call the provider-neutral stream service. | +| `ctx.sessions` | `core` | [`session`](../packages/core/session) | - | [`agent-loop`](../packages/core/agent-loop), [`agent`](../packages/core/agent), [`session-persistence`](../packages/session-persistence/session-persistence), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`invariants`](../packages/support/invariants) | - | Owns append-only Session instances and emits the durable session event feed. | +| `ctx.sessionPersistence` | `seam` | [`session-persistence`](../packages/session-persistence/session-persistence) | [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl), [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp) | - | Backends persist the same SessionEvent vocabulary; apps choose a backend at composition time. | +| `ctx.systemPrompt` | `core` | [`system-prompt`](../packages/core/system-prompt) | - | [`agent-loop`](../packages/core/agent-loop), [`tools`](../packages/core/tools), [`tool-fs`](../packages/fs/tool-fs), [`tool-web`](../packages/web/tool-web) | - | Collects prompt sections and model-facing tool schemas for each step. | +| `ctx.tools` | `core` | [`tools`](../packages/core/tools) | - | [`agent-loop`](../packages/core/agent-loop), [`tool-ask-user`](../packages/ui/tool-ask-user), [`tool-bash`](../packages/bash/tool-bash), [`tool-cordis`](../packages/cordis/tool-cordis), [`tool-fs`](../packages/fs/tool-fs), [`tool-skill`](../packages/skill/tool-skill), [`tool-subagent`](../packages/subagent/tool-subagent), [`tool-todo`](../packages/todo/tool-todo), [`tool-web`](../packages/web/tool-web), [`acp`](../packages/ui/acp) | - | Registers tool definitions, exposes schemas to the prompt, and routes calls through tools/pre-execute and tools/post-execute. | +| `ctx.userInteraction` | `seam` | [`user-interaction`](../packages/ui/user-interaction) | [`stdio-agent`](../packages/ui/stdio-agent), [`acp`](../packages/ui/acp) | [`tool-ask-user`](../packages/ui/tool-ask-user), [`stdio-agent`](../packages/ui/stdio-agent), [`acp`](../packages/ui/acp) | - | UI front doors provide the active human-answer provider; tool-ask-user pauses a tool call on the provider-neutral ask() promise. | +| `ctx.skills` | `seam` | [`skill`](../packages/skill/skill) | [`skill-local`](../packages/skill/skill-local) | [`tool-skill`](../packages/skill/tool-skill) | - | Merges provider skill catalogs; tool-skill renders the session-prefix catalog and loads complete skill bodies. | +| `ctx.agents` | `core` | [`agent`](../packages/core/agent) | - | [`agent-loop`](../packages/core/agent-loop), [`acp`](../packages/ui/acp), [`subagent-inprocess`](../packages/subagent/subagent-inprocess), [`stdio-agent`](../packages/ui/stdio-agent), [`invariants`](../packages/support/invariants) | - | Owns live Agent handles and the create/resume factory seam. | +| `ctx.agentLoop` | `bundle` | [`agent-loop`](../packages/core/agent-loop) | - | [`agent-core`](../packages/core/agent-core) | - | The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package. | +| `ctx.bash` | `seam` | [`bash`](../packages/bash/bash) | [`bash-local`](../packages/bash/bash-local), [`bash-sandbox`](../packages/bash/bash-sandbox) | [`tool-bash`](../packages/bash/tool-bash), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | - | The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors replace bash-local without touching them. | +| `ctx.sandbox` | `seam` | [`sandbox`](../packages/sandbox/sandbox) | [`sandbox-local`](../packages/sandbox/sandbox-local) | [`bash-sandbox`](../packages/bash/bash-sandbox) | - | Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement. | +| `ctx.approval` | `seam` | `approval` | [`acp`](../packages/ui/acp) | [`tools`](../packages/core/tools), [`tool-bash`](../packages/bash/tool-bash) | - | One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`. | +| `ctx.codeRuntime` | `seam` | [`code-runtime`](../packages/code-runtime/code-runtime) | [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | [`tools`](../packages/core/tools) | - | Runs one model-written program against host-provided async bindings; backends differ by substrate and language (the tool registry consumes it for Code Mode). | +| `ctx.fs` | `seam` | [`fs`](../packages/fs/fs) | [`fs-local`](../packages/fs/fs-local) | [`tool-fs`](../packages/fs/tool-fs) | [`fs-policy`](../packages/fs/fs-policy) | tool-fs executes read/write/edit through ctx.fs; fs-policy contributes observed-state checks through the fs/* event gate. | +| `ctx.compact` | `seam` | [`compact`](../packages/compact/compact) | [`compact-basic`](../packages/compact/compact-basic) | [`compact-basic`](../packages/compact/compact-basic) | - | The basic backend currently consumes the pre-step event directly; a model-facing compact tool remains deferred. | +| `ctx.subagents` | `seam` | [`subagent`](../packages/subagent/subagent) | [`subagent-spawn`](../packages/subagent/subagent-spawn), [`subagent-fork`](../packages/subagent/subagent-fork), [`subagent-acp`](../packages/subagent/subagent-acp), [`subagent-mock`](../packages/support/subagent-mock) | [`tool-subagent`](../packages/subagent/tool-subagent) | - | Providers implement transports; tool-subagent exposes one configured provider as a model-facing tool name. | +| `ctx.web` | `seam` | [`web`](../packages/web/web) | [`web-search-exa`](../packages/web/web-search-exa), [`web-search-perplexity`](../packages/web/web-search-perplexity), [`web-search-deepseek`](../packages/web/web-search-deepseek), [`web-fetch-local`](../packages/web/web-fetch-local) | [`tool-web`](../packages/web/tool-web) | - | Search and fetch providers register into one ctx.web seam; tool-web owns the stable model-facing names. | +| `ctx.workflows` | `seam` | [`workflow`](../packages/workflow/workflow) | [`workflow-workerthread`](../packages/workflow/workflow-workerthread) | [`tool-workflow`](../packages/workflow/tool-workflow) | - | One engine per context (bash shape, no named-provider registry); the worker-thread engine fans agent() calls out through ctx.subagents. | + +Maintenance mode: hybrid: services are discovered from Cordis declarations; interface/implementation/consumer roles are classified in `scripts/gen-doc-graphs.ts` with a completeness guard. diff --git a/docs/config-catalog.md b/docs/config-catalog.md new file mode 100644 index 0000000000..75ca4a67d1 --- /dev/null +++ b/docs/config-catalog.md @@ -0,0 +1,1170 @@ + + +# Plugin Config Catalog + +Every `config:` block a `cordis.yml` entry can set: for each loadable harness package, the verbatim config declaration (JSDoc included) its `apply` function or service constructor receives, with every referenced type pasted alongside (package-local types) or linked (everything else). The paste is the plugin's full declared config type — a field the runtime schema deliberately excludes is a runtime-only seam (its own JSDoc says so) and is not settable from `cordis.yml`. This is the **deployment**-axis reference — the wiring a plugin author works against is the cordis [events](cordis-catalog/events.md) + [services](cordis-catalog/services.md) catalogs, the model-facing tool schemas are the [tool catalog](tool-catalog.md), and [core-data-structures/](core-data-structures/core.md) documents the types these declarations reference. + +This file is GENERATED from source (`scripts/gen-config-catalog.ts`) and verified fresh by `pnpm run verify-config-catalog` (part of `doc-sync`) — do not edit it by hand. Declaration blocks use a `ts config-catalog` fence (skipped by doc-typecheck, since a lone declaration referencing imports is not standalone-compilable). The generator also cross-checks the runtime schemastery schema against the pasted declaration — every schema-validated key, nested keys included, must be locatable on the declared config type — so the paste cannot hide a loader-accepted field. + +A `Requires:` line lists the service keys the plugin `inject`s: its `cordis.yml` tree must also load providers for those services. Scope is the harness tier (`packages/`); the vendored cordis plugins a config tree may also load (`hmr`, the console logger, …) are pinned upstream source ([vendoring policy](../vendor/README.md)) and not catalogued here. + +## `@deepseek-ai/dsh-acp` + +Requires: `agents` · `sessions` · `sessionPersistence` · `tools` · `userInteraction` + +```ts config-catalog +/** Plugin config: the agent template ACP sessions are created from. */ +export interface AcpConfig { + /** Model name for created agents (must have a registered adapter). */ + model?: string + /** + * Transport stream override. Production omits this (the plugin wires + * `process.stdin`/`process.stdout` via `ndJsonStream`). Tests inject an + * in-memory `Stream` (e.g. an `ndJsonStream` over a `Duplex` pair) to drive + * the bridge without a subprocess. Not part of the schemastery `Config` — + * it is a runtime-only seam, never set from a `cordis.yml`. + */ + stream?: Stream +} +``` + +Depends on: `Stream` (`@agentclientprotocol/sdk`) + +Source: [`packages/ui/acp/src/index.ts:248`](../packages/ui/acp/src/index.ts) + +## `@deepseek-ai/dsh-acp-agent` + +```ts config-catalog +/** + * App config: the swappable per-deployment values. `model` configures the + * agent template the ACP bridge creates each session's agent from (NOT a + * pre-created agent — ACP creates agents at `session/new`); `persona` is the + * deployment persona (forwarded to the system-prompt plugin); `toolOrder` is + * the explicit model-facing tool order (forwarded to the system-prompt plugin); + * `tools` is the tool registry's config (its presentation `mode`, forwarded + * through agent-core); `persistenceRoot` is the JSONL backend's directory. + */ +export interface Config { + /** Model name for ACP-created agents (must have a registered adapter). */ + model: string + /** Deployment persona (the system-prompt plugin's `persona` config). */ + persona?: string + /** Explicit model-facing tool order (the system-prompt plugin's `toolOrder` config; see dsh-system-prompt). */ + toolOrder?: string[] + /** Tool-registry config — its presentation `mode` (forwarded through agent-core; see dsh-tools). */ + tools?: ToolsConfig + /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ + persistenceRoot?: string + /** Skill registry, local-provider, and model-facing consumer config forwarded to agent-core. */ + skills?: agentCore.SkillConfig +} +``` + +Depends on: [`agentCore`](../packages/core/agent-core/src/index.ts) · [`ToolsConfig`](#deepseek-aidsh-tools) + +Source: [`packages/ui/acp-agent/src/index.ts:52`](../packages/ui/acp-agent/src/index.ts) + +## `@deepseek-ai/dsh-agent-core` + +```ts config-catalog +/** + * Bundle config: each field forwarded verbatim to the child that owns it — + * `agents` to the agent loop (an app that pre-creates no agents, like the ACP + * bridge, simply omits it), `persona` and `toolOrder` to the system-prompt + * plugin (the deployment's persona section and the explicit model-facing tool + * order), the `tools` object to the tool registry (its presentation `mode`), + * and `skills` to the skill registry/local provider/tool consumer. Every field + * is optional INPUT here because each owner's schema supplies the default; + * the schema is the INTERSECTION of the owners' own schemas (with registry + * schemas nested under their bundle keys), so validation and defaulting can + * never drift from them. + */ +export interface Config { + /** The agent-loop `agents` list (see dsh-agent-loop's `Config`). */ + agents?: AgentLoopConfig['agents'] + /** The deployment persona (see dsh-system-prompt's `Config`). */ + persona?: SystemPromptConfig['persona'] + /** The explicit model-facing tool order (see dsh-system-prompt's `Config`). */ + toolOrder?: SystemPromptConfig['toolOrder'] + /** The tool registry's config — its presentation `mode` (see dsh-tools' `Config`). */ + tools?: ToolsConfig + /** Skill registry, local provider, and model-facing consumer config. */ + skills?: SkillConfig +} + +/** Skill bundle config forwarded to the registry, local provider, and model-facing consumer. */ +export interface SkillConfig { + /** Registry-level discovery cache settings. */ + registry?: SkillRegistryConfig + /** Local filesystem skill provider settings. */ + local?: SkillLocal.Config + /** Model-facing skill catalog and tool settings. */ + tool?: toolSkill.Config +} +``` + +Depends on: [`AgentLoopConfig`](#deepseek-aidsh-agent-loop) · [`SkillLocal`](../packages/skill/skill-local/src/index.ts) · [`SkillRegistryConfig`](#deepseek-aidsh-skill) · [`SystemPromptConfig`](#deepseek-aidsh-system-prompt) · [`ToolsConfig`](#deepseek-aidsh-tools) · [`toolSkill`](../packages/skill/tool-skill/src/index.ts) + +Source: [`packages/core/agent-core/src/index.ts:87`](../packages/core/agent-core/src/index.ts) + +## `@deepseek-ai/dsh-agent-loop` + +Requires: `agents` · `sessions` · `llm` · `tools` · `systemPrompt` + +```ts config-catalog +/** + * Plugin config: the agents to create — or resume, via `resumeSessionId` — + * declaratively at startup, so a cordis.yml deployment needs no code. + */ +export interface Config { + /** Agents created from configuration at startup. */ + agents: (AgentOptions & { + /** Agent id to register under; also seeds the fresh per-run session id (`${id}-session-`). */ + id: AgentId + /** Optional workspace cwd for the config-created fresh session. */ + cwd?: string + /** + * If set, the config agent RESUMES this persisted session id instead of + * starting a fresh `${id}-session-`. Sourced from an env var in + * cordis.yml (`resumeSessionId: !!js process.env.RESUME_SESSION_ID`), so a + * demo can continue a prior conversation without code changes. Requires a + * `dsh-session-persistence` backend; the resume is deferred until that + * service is available (via `ctx.inject`) and the loaded session's events + * seed the live session so history continues. + * + * The schema accepts a plain string at runtime (cordis.yml values are + * untyped); the brand is compile-time only — the config format is the + * boundary where an id enters, so the TYPE declares the brand here. + */ + resumeSessionId?: SessionId + })[] +} +``` + +Depends on: [`AgentId`](../packages/core/agent/src/index.ts) · [`AgentOptions`](../packages/core/agent/src/index.ts) · [`SessionId`](../packages/core/session/src/index.ts) + +Source: [`packages/core/agent-loop/src/index.ts:36`](../packages/core/agent-loop/src/index.ts) + +## `@deepseek-ai/dsh-bash-local` + +```ts config-catalog +/** Plugin config (all optional — `static Config` supplies the defaults). */ +export interface Config { + /** Default working directory for commands (default: process.cwd()). */ + cwd?: string + /** Default foreground timeout in milliseconds. */ + timeoutMs?: number + /** Upper bound for per-call timeout overrides. */ + maxTimeoutMs?: number + /** Per-stream in-memory output cap; overflow spills to a temp file. */ + maxOutputBytes?: number + /** Grace period between the SIGTERM and the SIGKILL escalation on a kill. */ + graceMs?: number +} +``` + +Source: [`packages/bash/bash-local/src/index.ts:29`](../packages/bash/bash-local/src/index.ts) + +## `@deepseek-ai/dsh-bash-sandbox` + +Requires: `sandbox` + +```ts config-catalog +/** + * Plugin config: the local executor's knobs plus the sandbox policy. All + * optional — `static Config` supplies the defaults (`mode: 'read-only'` is the + * fail-safe default; an example that wants a workspace-writable agent opts in + * explicitly). The runner choice is NOT configured here: which platform + * backend confines the command is the `ctx.sandbox` provider's config. + */ +export interface Config extends LocalConfig { + /** File-sandbox mode commands run under (default: `read-only`). */ + mode?: SandboxMode + /** + * Root directory `workspace-write` mode may write under (default: the + * executor's default working directory — `cwd`, else `process.cwd()`). + */ + workspaceRoot?: string +} +``` + +Depends on: [`LocalConfig`](#deepseek-aidsh-bash-local) · [`SandboxMode`](core-data-structures/sandbox.md) + +Source: [`packages/bash/bash-sandbox/src/index.ts:60`](../packages/bash/bash-sandbox/src/index.ts) + +## `@deepseek-ai/dsh-code-runtime-worker` + +```ts config-catalog +/** Plugin config: every execution cap, changeable from `cordis.yml` (no hardcoded tunables). */ +export interface Config { + /** + * Busy-time budget in milliseconds: the run fails with kind `'timeout'` + * once the worker's MEASURED event-loop active time + * (`worker.performance.eventLoopUtilization()`) exceeds this. Metering + * measured busy time — not wall time, not host-side pending-call + * bookkeeping — is what makes the budget both fair (a program awaiting a + * slow tool accrues nothing) and ungameable (a hot loop accrues whether + * or not a decoy dispatch is in flight). + */ + computeMs?: number + /** + * Wall-clock ceiling in milliseconds; never pauses for anything. The + * backstop for what busy-time cannot see (a program awaiting a promise + * nobody will resolve). + */ + maxWallMs?: number + /** Shared byte budget for captured log text (console + raw stream writes), truncation marked in-band. */ + maxLogBytes?: number + /** + * Byte cap for the completion value, measured by its real cross-boundary + * size (string bytes, or structured-clone wire size); an oversized or + * non-cloneable value crosses as a capped string rendering. + */ + maxValueBytes?: number + /** The worker's max old-generation heap in MiB (`resourceLimits`); overflow kills the worker, surfacing as kind `'worker-exit'`. */ + maxOldGenerationSizeMb?: number +} +``` + +Source: [`packages/code-runtime/code-runtime-worker/src/index.ts:29`](../packages/code-runtime/code-runtime-worker/src/index.ts) + +## `@deepseek-ai/dsh-compact-basic` + +Requires: `llm` + +```ts config-catalog +/** + * Backend configuration. Every knob is REQUIRED except `auto` and + * `charsPerToken`: there is no concrete data yet to justify default + * thresholds/budgets, so a consumer must state each value explicitly rather + * than inherit a guessed default. `auto` alone defaults to `true` + * (auto-compaction is the intended posture), and `charsPerToken` defaults to + * the English-text heuristic its estimator was calibrated on. + */ +export interface BasicCompactConfig { + /** Context window size in tokens. */ + contextWindow: number + /** Compact when estimated token usage exceeds this fraction of context window. */ + thresholdRatio: number + /** Number of tokens of recent context to retain during compaction. */ + retainTokens: number + /** Model to use for summarization (`''` — uses the agent's model). */ + summarizationModel: string + /** Provider generation cap for the summarization call. */ + maxTokens: number + /** Extra compaction attempts when the first compacted surface is still over threshold. */ + compactionRetries: number + /** Enable automatic compaction on the `agent/pre-step` seam (default true). */ + auto?: boolean + /** + * Text density for the token estimator: estimated tokens = chars / + * `charsPerToken`. Defaults to 4 (typical English text). A CJK-heavy + * deployment should set ~1-2 — CJK runs at roughly 1-2 chars per token, so + * the default UNDERestimates several-fold and compaction fires far too late. + * May be fractional. + */ + charsPerToken?: number +} +``` + +Source: [`packages/compact/compact-basic/src/types.ts:20`](../packages/compact/compact-basic/src/types.ts) + +## `@deepseek-ai/dsh-fs-local` + +```ts config-catalog +/** Configuration for the local filesystem backend. */ +export interface Config { + /** Base directory for relative paths. Defaults to `process.cwd()`. */ + cwd?: string +} +``` + +Source: [`packages/fs/fs-local/src/index.ts:58`](../packages/fs/fs-local/src/index.ts) + +## `@deepseek-ai/dsh-hooks-claude` + +Requires: `bash` + +```ts config-catalog +/** Plugin config: where the CC hook config lives + substitution roots. */ +export interface Config { + /** + * Path to a `hooks.json` or a settings file whose `hooks` key holds the config. + * PROCESS-LEVEL: read once at load, a relative path resolves against the process + * launch cwd, so one config applies to the whole process. + * TODO(per-session-hook-config): per-session discovery of a project-local + * `hooks.json` from each `session/new.cwd` is not yet implemented. + */ + configPath: string + /** + * Replaces `${CLAUDE_PLUGIN_ROOT}` in command strings (the plugin's root dir). + */ + pluginRoot?: string + /** + * Replaces `${CLAUDE_PROJECT_DIR}` in command strings AND is exported as the + * `CLAUDE_PROJECT_DIR` env var for hook processes. When omitted, the env var + * defaults per-run to the agent's session workspace (`session.header.cwd`, the + * same dir the hook runs in) — Claude Code always exports this var, and common + * unmodified hooks reference `$CLAUDE_PROJECT_DIR` for project-relative paths. + */ + projectDir?: string + /** Default per-hook timeout in ms when a hook sets none (CC default: 600000). */ + defaultTimeoutMs?: number + /** Character cap for the `hook/result` event's persisted stderr summary. */ + stderrSummaryMaxChars?: number +} +``` + +Source: [`packages/hooks/hooks-claude/src/index.ts:56`](../packages/hooks/hooks-claude/src/index.ts) + +## `@deepseek-ai/dsh-hooks-codex` + +Requires: `bash` + +```ts config-catalog +/** Plugin config: where the Codex hooks.json lives + the model name for payloads. */ +export interface Config { + /** + * Path to a Codex `hooks.json`. PROCESS-LEVEL: read once at load, a relative + * path resolves against the process launch cwd. + * TODO(per-session-hook-config): per-session project-local discovery from each + * `session/new.cwd` is not yet implemented. + */ + configPath: string + /** The model name stamped on every payload (Codex includes `model` on each event). */ + model?: string + /** Default per-hook timeout in ms when a hook sets none (Codex default: 600000). */ + defaultTimeoutMs?: number + /** Character cap for the `hook/result` event's persisted stderr summary. */ + stderrSummaryMaxChars?: number +} +``` + +Source: [`packages/hooks/hooks-codex/src/index.ts:43`](../packages/hooks/hooks-codex/src/index.ts) + +## `@deepseek-ai/dsh-invariants` + +Requires: `sessions` + +```ts config-catalog +/** Plugin config. */ +export interface Config { + /** + * Deep-freeze logged session-event data so mutating a logged event throws. + * Default true — this plugin only runs in dev/test, where freezing is the + * point. Set false to assert the event contract without freezing. + */ + freeze?: boolean +} +``` + +Source: [`packages/support/invariants/src/index.ts:45`](../packages/support/invariants/src/index.ts) + +## `@deepseek-ai/dsh-llm-deepseek` + +Requires: `llm` + +```ts config-catalog +/** + * Plugin config, validated by the same-named schemastery schema. Every field + * is optional in yml: credentials/endpoint fall back to the environment (a + * missing API key fails plugin load, not the first call), and omitted + * thinking fields send nothing on the wire, so the provider default applies. + */ +export interface Config { + /** API key; falls back to $DEEPSEEK_API_KEY. Required one way or the other. */ + apiKey?: string + /** Endpoint base; falls back to $DEEPSEEK_BASE_URL, then the public API. */ + baseURL?: string + /** Model names to register (sent verbatim on the wire). */ + models?: string[] + /** Thinking-mode default for every request (provider default: enabled). */ + thinking?: 'enabled' | 'disabled' + /** Thinking effort (only meaningful with thinking enabled). */ + reasoningEffort?: 'high' | 'max' +} +``` + +Source: [`packages/llm/llm-deepseek/src/index.ts:43`](../packages/llm/llm-deepseek/src/index.ts) + +## `@deepseek-ai/dsh-llm-pi-ai` + +Requires: `llm` + +```ts config-catalog +/** + * Plugin config, validated by the same-named schemastery schema. Every field + * is optional in yml: credentials/endpoint fall back to the environment (a + * missing API key fails plugin load, not the first call). + */ +export interface Config { + /** API key; falls back to $DEEPSEEK_API_KEY. Required one way or the other. */ + apiKey?: string + /** Endpoint base; falls back to $DEEPSEEK_BASE_URL, then the public API. */ + baseURL?: string + /** Model names to register (sent verbatim on the wire). */ + models?: string[] + /** + * Thinking level for every request: 'off' disables thinking mode; 'high' + * and 'xhigh' (wire 'max') set the effort. Omitted = provider default + * (thinking enabled), matching llm-deepseek's omission semantics. + */ + reasoning?: PiAiReasoning +} + +/** Reasoning levels surfaced by this adapter (DeepSeek wire: high|max). */ +export type PiAiReasoning = 'off' | 'high' | 'xhigh' +``` + +Source: [`packages/llm/llm-pi-ai/src/index.ts:37`](../packages/llm/llm-pi-ai/src/index.ts) + +## `@deepseek-ai/dsh-llm-replay` + +Requires: `llm` + +```ts config-catalog +/** Plugin config: the {@link ReplayConfig} inputs, each defaulting to its `DSH_SNAPSHOT_*` env var in `apply`. */ +export interface Config { + /** Override the fixture path; defaults to `$DSH_SNAPSHOT_FILE`. */ + file?: string + /** Override the sidecar path; defaults to `$DSH_SNAPSHOT_OVERRIDE`. */ + overrideFile?: string + /** + * Override the child-log paths; defaults to `$DSH_SNAPSHOT_CHILD_FILES` (a + * path-separator-delimited list). Each is a recorded subagent session log for + * a nested-agent scenario; absent/empty for a single-session scenario. + */ + childFiles?: string[] +} +``` + +Source: [`packages/support/llm-replay/src/index.ts:429`](../packages/support/llm-replay/src/index.ts) + +## `@deepseek-ai/dsh-repeat-tool-guard` + +```ts config-catalog +/** + * Plugin config, validated by the same-named schemastery schema plus the + * load-time checks in `apply` (misconfiguration fails loud: an empty + * `thresholds` list, a non-integer, a value below 2, or a duplicate throws at + * plugin load, never a silent fall-back). `include`/`exclude` entries are + * `*`-wildcard predicates over tool names at call time, not references to + * registry entries — a pattern matching no currently registered tool is valid + * (`exclude: [mcp_*]` must stay legal in a deployment that loads no MCP tools). + */ +export interface Config { + /** Consecutive-repeat counts that trigger a reminder (default `[3, 5, 8]`). */ + thresholds?: number[] + /** Tool-name patterns to track; empty means every tool is tracked. */ + include?: string[] + /** Tool-name patterns transparent to the chain (neither count nor reset). */ + exclude?: string[] + /** + * Maximum characters of canonical arguments quoted in the DETAILED reminder + * (default 500). Large payloads (a `write` body, a long command) would + * otherwise ride into the next request unbounded — precisely in a loop + * scenario; the cap bounds the reminder, never the detection (the chain key + * always compares the FULL canonical string). + */ + argumentsPreviewChars?: number +} +``` + +Source: [`packages/guard/repeat-tool-guard/src/index.ts:55`](../packages/guard/repeat-tool-guard/src/index.ts) + +## `@deepseek-ai/dsh-sandbox-local` + +```ts config-catalog +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * Override the sandbox runner argv (the bwrap-shaped profile arguments are + * appended). A NON-EMPTY argv is the operator's assertion that this runner + * exists and FULLY enforces the profile (confinement reports + * `enforcement: 'full'`, and — the runner's kernel mechanism being unknown + * — carries both Linux file-denial dialects as its denial signatures) — + * the runner chain and its probes are skipped, + * and a broken runner fails loudly at execution time. The operator also + * supplies {@link runnerFailureSignatures}, which distinguish the runner + * refusing its profile from the wrapped command failing normally. + * Absent (or empty — the schema normalizes an omitted array to `[]`): the + * built-in platform chains — Linux `bwrap` then the Landlock launcher + * (probed in that order), darwin `sandbox-exec` (the sole candidate, + * selected without a probe). Used for custom/alternative runners and + * for deterministic fake runners in keyless test tiers. + */ + runnerCommand?: string[] + /** + * Case-insensitive stderr substrings emitted when a configured + * {@link runnerCommand} refuses its profile before executing the wrapped + * command. Required and non-empty with `runnerCommand`; rejected without + * it. Missing/unexecutable runner errors are added automatically from + * `runnerCommand[0]`, while these signatures cover an executable runner's + * own failure dialect. + */ + runnerFailureSignatures?: string[] + /** + * Per-probe timeout in milliseconds for the chain's functional probes + * (default: 5000; must be a positive finite number — Node treats a 0 + * `spawnSync` timeout as UNBOUNDED, so 0 is rejected at construction). A + * probe that exceeds it reads as an unusable rung, so a + * host slow enough to trip the default — cold NFS mounts, heavily loaded + * CI — would otherwise be misclassified `SANDBOX_UNAVAILABLE` with no + * config escape. Bounds ONE probe, and the chain walk runs each at most once + * per provider lifetime. + */ + probeTimeoutMs?: number +} +``` + +Source: [`packages/sandbox/sandbox-local/src/index.ts:36`](../packages/sandbox/sandbox-local/src/index.ts) + +## `@deepseek-ai/dsh-session-persistence-jsonl` + +Requires: `sessions` + +```ts config-catalog +/** Plugin config: where the JSONL backend keeps its session logs (`root` is required — no default). */ +export interface Config { + /** + * Root directory for all session files. Required (no default): a default of + * `process.cwd()` would scatter session files as the process's cwd changes + * (bash calls, subprocesses). Sessions group under per-cwd subdirectories. + */ + root: string +} +``` + +Source: [`packages/session-persistence/session-persistence-jsonl/src/index.ts:35`](../packages/session-persistence/session-persistence-jsonl/src/index.ts) + +## `@deepseek-ai/dsh-session-persistence-sqlite` + +Requires: `sessions` + +```ts config-catalog +/** Plugin configuration. */ +export interface Config { + /** + * Filesystem path to the SQLite database file. The special value `:memory:` + * opens an in-process database (tests); a file path is created (with parent + * dirs) on construction. + */ + path: string + /** + * SQLite `journal_mode` pragma. `wal` (the default) is the recorded + * durability model; pick a rollback-journal mode (`delete`/`truncate`/ + * `persist`) on filesystems where WAL's shared-memory files do not work + * (network mounts). See {@link JournalMode}. + */ + journalMode?: JournalMode +} + +/** + * Journal modes the backend will run under. `wal` is the default and the + * durability model the persistence ADR records; the rollback-journal modes + * (`delete`/`truncate`/`persist`) exist for filesystems where WAL's + * shared-memory files do not work (network mounts). `memory`/`off` are + * excluded: dropping journal durability silently contradicts what this + * backend promises. + */ +export type JournalMode = 'wal' | 'delete' | 'truncate' | 'persist' +``` + +Source: [`packages/session-persistence/session-persistence-sqlite/src/index.ts:50`](../packages/session-persistence/session-persistence-sqlite/src/index.ts) + +## `@deepseek-ai/dsh-skill` + +```ts config-catalog +/** Skill registry configuration. */ +export interface Config { + /** Maximum number of completed cwd/provider catalog snapshots kept in memory. */ + collectCacheMaxEntries?: number +} +``` + +Source: [`packages/skill/skill/src/index.ts:112`](../packages/skill/skill/src/index.ts) + +## `@deepseek-ai/dsh-skill-local` + +Requires: `skills` + +```ts config-catalog +/** Local filesystem skill provider configuration. */ +export interface Config { + /** DeepSeek Harness config root. Defaults to `$DSH_HOME` or `~/.dsh`. */ + dshHome?: string + /** Shared agent config root. Defaults to `$DSH_AGENTS_HOME` or `~/.agents`. */ + agentsHome?: string + /** Additional skill roots scanned after project roots and before user roots. */ + customSkillDirs?: string[] +} +``` + +Source: [`packages/skill/skill-local/src/index.ts:39`](../packages/skill/skill-local/src/index.ts) + +## `@deepseek-ai/dsh-stdio-agent` + +```ts config-catalog +/** + * App config: the swappable per-demo values, each routed to where the app wires + * it. `model`/`resumeSessionId` configure the pre-created `main` agent (through + * {@link @deepseek-ai/dsh-agent-core}'s forwarded `agents` list); `persona` is + * the deployment persona (forwarded to the system-prompt plugin); `toolOrder` + * is the explicit model-facing tool order (forwarded to the system-prompt plugin); + * fresh sessions use `process.cwd()` as their workspace cwd; resumed sessions + * keep their persisted cwd. `persistenceRoot` is the JSONL backend's directory; + * `welcome` is the UI banner. + */ +export interface Config { + /** Model name for the `main` agent (must have a registered adapter). */ + model: string + /** Deployment persona (the system-prompt plugin's `persona` config). */ + persona?: string + /** Explicit model-facing tool order (the system-prompt plugin's `toolOrder` config; see dsh-system-prompt). */ + toolOrder?: string[] + /** Tool-registry config — its presentation `mode` (forwarded through agent-core; see dsh-tools). */ + tools?: ToolsConfig + /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ + persistenceRoot?: string + /** stdin-chat banner printed once on start. Defaults to `'ready.'`. */ + welcome?: string + /** Skill registry, local-provider, and model-facing consumer config forwarded to agent-core. */ + skills?: agentCore.SkillConfig + /** + * If set, the `main` agent RESUMES this persisted session id instead of + * starting fresh. Sourced from an env var in the leaf `cordis.yml` + * (`resumeSessionId: !!js process.env.RESUME_SESSION_ID`). + */ + resumeSessionId?: string +} +``` + +Depends on: [`agentCore`](../packages/core/agent-core/src/index.ts) · [`ToolsConfig`](#deepseek-aidsh-tools) + +Source: [`packages/ui/stdio-agent/src/index.ts:65`](../packages/ui/stdio-agent/src/index.ts) + +## `@deepseek-ai/dsh-subagent-acp` + +Requires: `subagents` + +```ts config-catalog +/** Config: how to spawn and drive the child ACP agent process. */ +export interface Config { + /** Provider name on `ctx.subagents` (default `acp`). */ + providerName: string + /** The executable to spawn for each run (the child ACP agent). */ + command: string + /** Arguments passed to {@link command}. */ + args: string[] + /** + * Working directory for the child process and its ACP session. Defaults to + * the parent process's cwd when omitted. + */ + cwd?: string + /** + * How to auto-answer the child's `session/request_permission` prompts: + * `reject` (default — decline every prompt) or `allow` (approve via the first + * allow-shaped option). The first cut surfaces no prompt to a human. + */ + permission: PermissionPolicy + /** + * Extra environment variables for the child process — e.g. the child + * harness's own `DEEPSEEK_API_KEY`. Forwarded on top of a credential-scrubbed + * copy of the parent env, so an explicit key here reaches the child while + * ambient secrets do not leak implicitly. + */ + env: Record + /** + * Grace period (ms) for the child's EOF-driven quiesce on dispose — its + * window to flush persistence and tear down its own nested subprocesses + * before the parent escalates to a signal. + */ + disposeEofGraceMs?: number + /** Grace period (ms) between `SIGTERM` and the `SIGKILL` escalation on dispose. */ + disposeGraceMs?: number +} + +/** + * How the client answers a child's `session/request_permission`. The first cut + * does not surface permission prompts to a human, so every request is + * auto-answered by this fixed policy: + * + * - `reject` — decline every prompt (answer `cancelled`). Safe default: a child + * that asks before a side effect does not get to take it. + * - `allow` — approve every prompt by selecting its first `allow_*` option (or, + * if none is offered, `cancelled`). Use when the child is trusted to act. + */ +export type PermissionPolicy = 'allow' | 'reject' +``` + +Source: [`packages/subagent/subagent-acp/src/index.ts:30`](../packages/subagent/subagent-acp/src/index.ts) + +## `@deepseek-ai/dsh-subagent-fork` + +Requires: `subagents` · `agents` + +```ts config-catalog +/** Config: the registry name to register the provider under. */ +export interface Config { + /** Provider name on `ctx.subagents` (default `fork`). */ + providerName: string +} +``` + +Source: [`packages/subagent/subagent-fork/src/index.ts:38`](../packages/subagent/subagent-fork/src/index.ts) + +## `@deepseek-ai/dsh-subagent-mock` + +Requires: `subagents` + +```ts config-catalog +/** Config for the mock provider; all optional with test-friendly defaults. */ +export interface Config { + /** Registry name to register under. */ + name: string + /** The text the scripted child "returns" as its final answer. */ + reply?: string + /** The stop reason the run settles with. */ + stopReason?: SubagentStopReason + /** Which start-time capabilities to advertise (default: all `true`). */ + capabilities?: Partial + /** + * The context contract to declare ({@link SubagentProvider.inheritsParentContext}); + * default `false` (spawn-like). Set `true` to exercise the fork-shaped tool + * wording in consumer tests. + */ + inheritsParentContext?: boolean + /** + * Structured value surfaced when a request carries an `outputSchema` and the + * `outputSchema` capability is on (default: `{ reply }`). + */ + structured?: unknown +} +``` + +Depends on: [`SubagentCapabilities`](../packages/subagent/subagent/src/index.ts) · [`SubagentStopReason`](../packages/subagent/subagent/src/index.ts) + +Source: [`packages/support/subagent-mock/src/index.ts:84`](../packages/support/subagent-mock/src/index.ts) + +## `@deepseek-ai/dsh-subagent-spawn` + +Requires: `subagents` · `agents` + +```ts config-catalog +/** Config: the registry name to register the provider under. */ +export interface Config { + /** Provider name on `ctx.subagents` (default `spawn`). */ + providerName: string +} +``` + +Source: [`packages/subagent/subagent-spawn/src/index.ts:36`](../packages/subagent/subagent-spawn/src/index.ts) + +## `@deepseek-ai/dsh-system-prompt` + +```ts config-catalog +/** Plugin config: the deployment-authored fragment of the system prompt (see {@link Config.persona} for its contract). */ +export interface Config { + /** + * The deployment's persona — the ONE deployment-authored fragment of the + * system prompt, rendered as the order-0 `deployment:persona` section + * (after the harness identity, before all tool guidance). Every agent in + * the context shares it, subagents included. Template, not free-form text: + * every complete `{{…}}` group is interpreted strictly against the + * registered prompt variables (the shipped agent loop registers `{{model}}` + * and `{{cwd}}`), and there is no escape syntax for literal `{{…}}` prose + * yet (a deliberate deferral; see the prompt-variables RFC). Defaults to + * `''` — the empty section is dropped at render, so a persona-less + * deployment opens with the harness identity alone. + */ + persona?: string + /** + * Explicit model-facing tool order, as a list of `ToolSchema.name`s: listed + * tools take their listed position, and tools absent from the list are + * inserted at the {@link TOOL_ORDER_REST} (`''`) entry in + * lexicographic name order. A configured list must contain the rest entry + * exactly once, no duplicate names, and no name without a registered tool — + * a misconfigured order blocks work instead of silently reaching a model + * request: shape violations throw at load, and an unregistered name rejects + * every assembly. `TOOL_ORDER_REST` is reserved for the list marker and may + * not be a collected tool name; such a provider output also rejects the + * assembly. The single assembly-time validation rejects either failure + * before any model request — the earliest moment the registered tool set + * exists to check against, since tool plugins register after this service + * constructs. When omitted, tools are ordered lexicographically by name. + * Applied to the tools + * {@link SystemPrompt.assemble} collects, BEFORE the + * `system-prompt/assemble` waterfall — like the sections' `order` sort, it + * canonicalizes what the registry contributed (registration order is a + * plugin-load artifact); a waterfall listener that mutates the tool list + * owns the determinism of what it emits. Rationale (and why not per-plugin + * weights): docs/rfc/implemented/feature/2026-07-06-explicit-tool-order.md. + */ + toolOrder?: string[] +} +``` + +Source: [`packages/core/system-prompt/src/index.ts:179`](../packages/core/system-prompt/src/index.ts) + +## `@deepseek-ai/dsh-tool-cordis` + +Requires: `tools` + +```ts config-catalog +/** Config for the tool-cordis plugin: the sandbox evaluation bound. */ +export interface Config { + /** + * Milliseconds the SYNCHRONOUS portion of mount code may run in the vm + * before evaluation is aborted (default 5000). An async body escapes this + * bound — see docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md for the trust stance. + */ + vmTimeoutMs?: number +} +``` + +Source: [`packages/cordis/tool-cordis/src/index.ts:53`](../packages/cordis/tool-cordis/src/index.ts) + +## `@deepseek-ai/dsh-tool-fs` + +Requires: `tools` · `fs` · `systemPrompt` + +```ts config-catalog +/** Plugin config (all optional — `Config` supplies the defaults). */ +export interface Config { + /** Default and maximum number of lines returned by one `read` call. */ + readLimit?: number + /** Maximum characters returned for a single line before truncation. */ + readMaxLineLength?: number + /** Maximum bytes returned for the selected lines of one `read` call. */ + readMaxBytes?: number + /** Files at or above this size stream instead of loading whole into memory. */ + readStreamMinSize?: number +} +``` + +Source: [`packages/fs/tool-fs/src/index.ts:48`](../packages/fs/tool-fs/src/index.ts) + +## `@deepseek-ai/dsh-tool-skill` + +Requires: `tools` · `skills` + +```ts config-catalog +/** Model-facing skill catalog configuration. */ +export interface Config { + /** Maximum normalized description length rendered in the session catalog; minimum 3. */ + catalogDescriptionMaxLength?: number +} +``` + +Source: [`packages/skill/tool-skill/src/index.ts:19`](../packages/skill/tool-skill/src/index.ts) + +## `@deepseek-ai/dsh-tool-subagent` + +Requires: `tools` · `subagents` + +```ts config-catalog +/** Config: which registered provider this tool delegates to, plus child defaults. */ +export interface Config { + /** The `ctx.subagents` provider name to start runs on (e.g. `spawn`, `acp`). */ + provider: string + /** + * The model-facing tool name to register (default `subagent`). To expose more + * than one transport, load this plugin once per provider — each load MUST set + * a distinct `toolName` (the tool registry rejects a duplicate name), e.g. + * `{ provider: 'spawn', toolName: 'subagent' }` and + * `{ provider: 'acp', toolName: 'subagent_acp' }`. + */ + toolName?: string + /** + * Default per-child agent options (model) applied to every spawned child. + * Omitted fields fall back to the child loop's own defaults. There is no + * per-child persona: the deployment persona (the system-prompt plugin's + * `persona` config) is a context-wide section every agent shares. + */ + agentOptions?: AgentOptions +} +``` + +Depends on: [`AgentOptions`](../packages/core/agent/src/index.ts) + +Source: [`packages/subagent/tool-subagent/src/index.ts:44`](../packages/subagent/tool-subagent/src/index.ts) + +## `@deepseek-ai/dsh-tool-web` + +Requires: `tools` · `web` · `systemPrompt` + +```ts config-catalog +/** Plugin config: which web tools to register, the source cap, and per-tool budgets. */ +export interface Config { + /** Register `web_search`. Defaults to true. */ + search?: boolean + /** Register `web_fetch`. Defaults to true. */ + fetch?: boolean + /** Upper bound on sources returned by one `web_search` call. */ + searchMaxResults?: number + /** Cooperative timeout budget (ms) for `web_fetch`. Defaults to 30000. */ + fetchTimeoutMs?: number + /** Cooperative timeout budget (ms) for `web_search`. Defaults to 30000. */ + searchTimeoutMs?: number +} +``` + +Source: [`packages/web/tool-web/src/index.ts:40`](../packages/web/tool-web/src/index.ts) + +## `@deepseek-ai/dsh-tool-workflow` + +Requires: `tools` · `workflows` · `systemPrompt` + +```ts config-catalog +/** Config: the model-facing tool name plus result rendering caps. */ +export interface Config { + /** The model-facing tool name to register (default `workflow`). */ + toolName?: string + /** Rendered-result ceiling, in characters: a longer JSON value is truncated with a notice (default 50000). */ + maxResultChars?: number +} +``` + +Source: [`packages/workflow/tool-workflow/src/index.ts:39`](../packages/workflow/tool-workflow/src/index.ts) + +## `@deepseek-ai/dsh-tools` + +Requires: `systemPrompt` + +```ts config-catalog +/** Plugin config: how the registered tools are presented to the model. */ +export interface Config { + /** + * The presentation mode. `'native'` (the default) contributes every + * registered tool as a wire function definition — byte-for-byte today's + * behavior. `'code'` contributes exactly ONE wire tool, `run_code`, plus + * the generated `tools:sdk` prompt section declaring every other tool as a + * TypeScript API the program calls. `'both'` contributes every native + * definition AND `run_code` + the SDK section. Non-native modes require a + * loaded `ctx.codeRuntime` whose `language` is `'typescript'` — a missing + * or mismatched runtime rejects every prompt assembly with an actionable + * error (misconfiguration fails loud, before any model request). A + * configured `systemPrompt.toolOrder` naming native tools likewise rejects + * every assembly under `'code'` (those names are no longer contributed) — + * a deployment switching modes updates its order config or drops it. + */ + mode?: ToolPresentationMode +} + +/** How the registry presents its tools to the model (see {@link Config.mode}). */ +export type ToolPresentationMode = 'native' | 'code' | 'both' +``` + +Source: [`packages/core/tools/src/index.ts:323`](../packages/core/tools/src/index.ts) + +## `@deepseek-ai/dsh-user-approval` + +```ts config-catalog +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * The deployment's default {@link ApprovalPolicy} for sessions without an + * `approval/policy` override — `'ask'` delegates to the composed answerers + * (fail-closed with none); `'never'` auto-rejects every ask without + * prompting (the deterministic CI/unattended stance). + */ + policy?: ApprovalPolicy +} + +/** + * A session's approval policy — what happens to an {@link ApprovalService} + * ask BEFORE any interactive answerer sees it: + * + * - `'ask'` (the default) — delegate to the composed answerers; with none + * composed the chain falls through to the fail-closed `'unavailable'` + * (exactly today's behavior). + * - `'never'` — never prompt anyone: every ask resolves `'rejected'` + * deterministically. The strict headless stance (CI, unattended runs) and + * the only policy value stated in the system prompt — unlike `'ask'`, its + * outcome is knowable without asking, so stating it cannot overclaim. + */ +export type ApprovalPolicy = 'ask' | 'never' +``` + +Source: [`packages/ui/user-approval/src/index.ts:258`](../packages/ui/user-approval/src/index.ts) + +## `@deepseek-ai/dsh-web` + +```ts config-catalog +/** + * Config for the web seam. `searchProvider` / `fetchProvider` pin which provider + * wins for each capability; both are optional (a single registered usable + * provider auto-selects). Operational overrides such as environment variables + * must feed these same fields rather than introduce a hidden priority chain. + */ +export interface WebServiceConfig { + /** Explicit search provider id. Omitted = auto-select when exactly one usable. */ + readonly searchProvider?: string + /** Explicit fetch provider id. Omitted = auto-select when exactly one usable. */ + readonly fetchProvider?: string +} +``` + +Source: [`packages/web/web/src/index.ts:68`](../packages/web/web/src/index.ts) + +## `@deepseek-ai/dsh-web-fetch-local` + +Requires: `web` + +```ts config-catalog +/** Plugin config: the provider's transport and size limits plus its `User-Agent` (all defaulted). */ +export interface Config { + /** Maximum accepted request URL length. */ + maxUrlLength?: number + /** Maximum response body size in bytes. */ + maxResponseBytes?: number + /** Maximum decoded body length in characters. */ + maxBodyChars?: number + /** Default fetch timeout in milliseconds. */ + timeoutMs?: number + /** Upper bound for a per-request timeout override. */ + maxTimeoutMs?: number + /** Maximum number of same-origin redirect hops to follow. */ + maxRedirects?: number + /** `User-Agent` header sent on every request. */ + userAgent?: string +} +``` + +Source: [`packages/web/web-fetch-local/src/index.ts:34`](../packages/web/web-fetch-local/src/index.ts) + +## `@deepseek-ai/dsh-web-search-deepseek` + +Requires: `web` + +```ts config-catalog +/** Plugin config (all optional — `apply` fills env-var and constant defaults). */ +export interface Config { + /** DeepSeek API key. Falls back to `$DEEPSEEK_API_KEY`. Empty → unavailable. */ + apiKey?: string + /** Anthropic-compatible endpoint base; `/messages` is appended. */ + baseURL?: string + /** Anthropic-format model name. Defaults to `deepseek-v4-flash`. */ + model?: string + /** `anthropic-version` header value. Defaults to `2023-06-01`. */ + apiVersion?: string + /** Upper bound on generated tokens for the Messages request. Defaults to 4096. */ + maxTokens?: number + /** Maximum `web_search` server-tool uses per request. Defaults to 5. */ + maxUses?: number +} +``` + +Source: [`packages/web/web-search-deepseek/src/index.ts:48`](../packages/web/web-search-deepseek/src/index.ts) + +## `@deepseek-ai/dsh-web-search-exa` + +Requires: `web` + +```ts config-catalog +/** Plugin config (all optional — `apply` fills env-var and constant defaults). */ +export interface Config { + /** Exa API key. Falls back to `$EXA_API_KEY`. Empty → provider unavailable. */ + apiKey?: string + /** Endpoint base; `/search` is appended. Defaults to the public API. */ + baseURL?: string + /** Retrieval mode sent as Exa's `type`. Defaults to `auto`. */ + searchType?: 'auto' | 'keyword' | 'neural' + /** Default result count when a request carries no `maxResults`. Omitted = none. */ + numResults?: number + /** Highlight sentences requested per result. Defaults to 1. */ + highlightsPerResult?: number +} +``` + +Source: [`packages/web/web-search-exa/src/index.ts:39`](../packages/web/web-search-exa/src/index.ts) + +## `@deepseek-ai/dsh-web-search-perplexity` + +Requires: `web` + +```ts config-catalog +/** Plugin config (all optional — `apply` fills env-var and constant defaults). */ +export interface Config { + /** Perplexity API key. Falls back to `$PERPLEXITY_API_KEY`. Empty → unavailable. */ + apiKey?: string + /** Endpoint base; `/chat/completions` is appended. Defaults to the public API. */ + baseURL?: string + /** Search model name. Defaults to `sonar`. */ + model?: string + /** Upper bound on generated answer tokens. Defaults to 1024. */ + maxTokens?: number + /** Recency window sent as `search_recency_filter`. Omitted = no filter. */ + searchRecency?: 'day' | 'week' | 'month' | 'year' +} +``` + +Source: [`packages/web/web-search-perplexity/src/index.ts:33`](../packages/web/web-search-perplexity/src/index.ts) + +## `@deepseek-ai/dsh-workflow-workerthread` + +Requires: `subagents` + +```ts config-catalog +/** Plugin config (all optional — `static Config` supplies the defaults). */ +export interface Config { + /** The `ctx.subagents` provider children run on (default `spawn`). */ + provider?: string + /** Concurrent `agent()` ceiling; `0` (the default) auto-resolves to `min(16, max(1, cores - 2))`. */ + maxConcurrentAgents?: number + /** Total `agent()` calls one run may start — the runaway-loop backstop (default 1000). */ + maxTotalAgents?: number + /** Items accepted by a single `parallel()`/`pipeline()` call (default 4096). */ + maxItemsPerCall?: number + /** vm timeout for the script's initial synchronous slice, inside the worker (default 5000 ms). */ + syncTimeoutMs?: number + /** + * How long after a cancellation an unsettled script may keep running before + * the run force-settles `cancelled` and its worker is TERMINATED (default + * 5000 ms); also bounds `dispose()`. + */ + disposeGraceMs?: number +} +``` + +Source: [`packages/workflow/workflow-workerthread/src/index.ts:69`](../packages/workflow/workflow-workerthread/src/index.ts) + +## Loadable plugins with no config + +These load from a `cordis.yml` entry with no `config:` block; they declare no config surface. + +- `@deepseek-ai/dsh-agent` ([`packages/core/agent/src/index.ts`](../packages/core/agent/src/index.ts)) +- `@deepseek-ai/dsh-fs-policy` ([`packages/fs/fs-policy/src/index.ts`](../packages/fs/fs-policy/src/index.ts)) +- `@deepseek-ai/dsh-llm` ([`packages/llm/llm/src/index.ts`](../packages/llm/llm/src/index.ts)) +- `@deepseek-ai/dsh-session` ([`packages/core/session/src/index.ts`](../packages/core/session/src/index.ts)) +- `@deepseek-ai/dsh-subagent` ([`packages/subagent/subagent/src/index.ts`](../packages/subagent/subagent/src/index.ts)) +- `@deepseek-ai/dsh-timeout-policy` — requires `tools` ([`packages/timeout/timeout-policy/src/index.ts`](../packages/timeout/timeout-policy/src/index.ts)) +- `@deepseek-ai/dsh-tool-ask-user` — requires `tools` · `userInteraction` ([`packages/ui/tool-ask-user/src/index.ts`](../packages/ui/tool-ask-user/src/index.ts)) +- `@deepseek-ai/dsh-tool-bash` — requires `tools` · `bash` · `systemPrompt` ([`packages/bash/tool-bash/src/index.ts`](../packages/bash/tool-bash/src/index.ts)) +- `@deepseek-ai/dsh-tool-todo` — requires `tools` ([`packages/todo/tool-todo/src/index.ts`](../packages/todo/tool-todo/src/index.ts)) +- `@deepseek-ai/dsh-user-interaction` ([`packages/ui/user-interaction/src/index.ts`](../packages/ui/user-interaction/src/index.ts)) + +## Seam packages (not directly loadable) + +Abstract service classes — a deployment loads a concrete implementation package instead ([capability seams](rfc/implemented/architecture/2026-06-13-capability-seams.md)). + +- `@deepseek-ai/dsh-bash` — abstract `BashExecutor` ([`packages/bash/bash/src/index.ts`](../packages/bash/bash/src/index.ts)) +- `@deepseek-ai/dsh-code-runtime` — abstract `CodeRuntime` ([`packages/code-runtime/code-runtime/src/index.ts`](../packages/code-runtime/code-runtime/src/index.ts)) +- `@deepseek-ai/dsh-compact` — abstract `CompactService` ([`packages/compact/compact/src/index.ts`](../packages/compact/compact/src/index.ts)) +- `@deepseek-ai/dsh-fs` — abstract `FileSystem` ([`packages/fs/fs/src/index.ts`](../packages/fs/fs/src/index.ts)) +- `@deepseek-ai/dsh-sandbox` — abstract `SandboxProvider` ([`packages/sandbox/sandbox/src/index.ts`](../packages/sandbox/sandbox/src/index.ts)) +- `@deepseek-ai/dsh-session-persistence` — abstract `SessionPersistence` ([`packages/session-persistence/session-persistence/src/index.ts`](../packages/session-persistence/session-persistence/src/index.ts)) +- `@deepseek-ai/dsh-workflow` — abstract `WorkflowService` ([`packages/workflow/workflow/src/index.ts`](../packages/workflow/workflow/src/index.ts)) + +## Library packages (no plugin entry) + +Imported as libraries by other packages; a `cordis.yml` cannot load them. + +- `@deepseek-ai/dsh-acp-snapshot` ([`packages/support/acp-snapshot/src/index.ts`](../packages/support/acp-snapshot/src/index.ts)) +- `@deepseek-ai/dsh-app-boot` ([`packages/ui/app-boot/src/index.ts`](../packages/ui/app-boot/src/index.ts)) +- `@deepseek-ai/dsh-brand` ([`packages/util/brand/src/index.ts`](../packages/util/brand/src/index.ts)) +- `@deepseek-ai/dsh-hook-protocol` ([`packages/hooks/hook-protocol/src/index.ts`](../packages/hooks/hook-protocol/src/index.ts)) +- `@deepseek-ai/dsh-subagent-inprocess` ([`packages/subagent/subagent-inprocess/src/index.ts`](../packages/subagent/subagent-inprocess/src/index.ts)) +- `@deepseek-ai/dsh-subagent-subprocess` ([`packages/subagent/subagent-subprocess/src/index.ts`](../packages/subagent/subagent-subprocess/src/index.ts)) +- `@deepseek-ai/dsh-timeout` ([`packages/util/timeout/src/index.ts`](../packages/util/timeout/src/index.ts)) diff --git a/docs/cookbook/adding-a-tool.md b/docs/cookbook/adding-a-tool.md index 9180d88489..50c7cbccf8 100644 --- a/docs/cookbook/adding-a-tool.md +++ b/docs/cookbook/adding-a-tool.md @@ -49,6 +49,10 @@ Follow tool-bash's background pattern: a `run_in_background` flag returns a task Prefer not to build policy into the tool. The seam is the `tools/pre-execute` gate (deny/ask — see the permission-gate example in [extension-cookbook.md](./extension-cookbook.md)) and the `tools/post-execute` inspect/transform seam, or a sandboxing implementation behind the tool's executor seam. +## Code Mode reaches your tool for free + +Under the registry's non-native `mode` ([Code Mode](../../packages/core/tools/README.md)), a registered tool is ALSO callable from a `run_code` program as `await tools.(args)` — nothing to add. The generated SDK declares your parameters from the same JSON Schema `defineTool` emits (constructs outside that subset degrade to `unknown`), each program call re-enters `execute()` through both waterfalls, and a failed call rejects the program-side promise with your error text. Two consequences worth designing for: your `description` and parameter `description`s become JSDoc a model reads while WRITING CODE, and non-text result blocks reach programs as placeholders (text is the lingua franca of the bridge). + ## How your tool renders in an editor (ACP presentation) Your tool's `execute` returns model-facing content; its **editor card** is a separate, optional concern you declare with two pure display methods on the `defineTool` options. Design this alongside `execute`, not after — an editor (Zed, over the ACP bridge) shows the card, and a tool with no presentation falls back to a bland generic card (title = tool name, raw args as input). diff --git a/docs/cookbook/adding-an-llm-adapter.md b/docs/cookbook/adding-an-llm-adapter.md index aae6b0bb8b..fb59969e52 100644 --- a/docs/cookbook/adding-an-llm-adapter.md +++ b/docs/cookbook/adding-an-llm-adapter.md @@ -27,7 +27,7 @@ Registration is effect-based (HMR-safe); one adapter per model name — duplicat - Allocate block `index`es in first-seen stream order; reuse the index for every delta of the same block. - Errors have exactly two sanctioned paths: THROW from `stream()` (transport and protocol failures — use `LlmError` with a stable code), or end the stream with `finish {kind: 'error' | 'aborted'}` (provider in-band failures). Consumers handle both; pick per failure class and document it. - Honor `options.signal` (pass it to fetch / your SDK). -- `prefill` and other unsupported `GenerateOptions` fields: throw `LlmError(..., 'UNSUPPORTED')` rather than silently dropping. +- A `GenerateOptions` field your provider cannot honor (e.g. a `stop` list on a provider without stop sequences): throw `LlmError(..., 'UNSUPPORTED')` rather than silently dropping it. Provider-specific request knobs (thinking modes, effort levels) belong in the ADAPTER's Config, not in `GenerateOptions` — the core vocabulary stays provider-neutral. diff --git a/docs/cookbook/extension-cookbook.md b/docs/cookbook/extension-cookbook.md index e579d13794..a773fee6e9 100644 --- a/docs/cookbook/extension-cookbook.md +++ b/docs/cookbook/extension-cookbook.md @@ -56,7 +56,7 @@ export function apply(ctx: Context) { A *client driver* is a UI plugin whose "user" is another program speaking a wire protocol rather than a human at a terminal. It owns the process's stdio (so it must run with **no stdout logger** — every non-protocol byte corrupts the stream), creates/resumes agents on demand through the `dsh-agent` factory seam, translates harness events (`session/event`, `agent/*`) into outbound protocol messages, and translates inbound requests back into `agent.send()` / `agent.cancel()`. Two harness-specific contracts make it correct: resolve each request exactly once off a settle signal (settle from the durable `turn/end` session event — the boundary is a session event, not an `agent/*` mirror — with `agent/status` as the fallback if a peer listener starved yours), and tear each agent down through its `AgentHandle.dispose()` (which stops the loop, `await`s its exit, and unregisters), not just `cancel()` — disposal must *reach* quiescence, not merely request it. -`packages/ui/acp` is the worked example: it bridges the agent to the Agent Client Protocol (JSON-RPC over stdio) so Zed and other ACP editors can drive it. See its README for the full method surface and the deferred-permission-gate note. +`packages/ui/acp` is the worked example: it bridges the agent to the Agent Client Protocol (JSON-RPC over stdio) so Zed and other ACP editors can drive it. See its README for the full method surface and the permission-prompt answerer it registers on the approval seam. ```ts import type { Context } from 'cordis' @@ -99,10 +99,10 @@ Every product feature maps to a listener on a documented extension seam — the | AGENTS.md (root) | a section provider reading the file | | AGENTS.md (subdir, on-touch) + file-change notices | `agent.inject()` from a watcher / tool-result listener | | Built-in tools | `ctx.tools.register()`; schemas flow into the assembly automatically — the `dsh-tool-*` families (bash, fs, web, subagent, todo) are the shipped examples | -| ToolSearch / progressive disclosure | wrap `agent/request`, filter `req.tools` | -| Tool sandbox (landlock / sandbox-exec) | `tools/pre-execute` (deny), or a sandboxing `BashExecutor` on the `dsh-bash` seam | +| ToolSearch / progressive disclosure | filter tools at `system-prompt/assemble` (the assembly carries the schemas; the loop logs the result as the request header, so disclosure stays reconstructable) | +| Subprocess sandbox (landlock / sandbox-exec) | `tools/pre-execute` (deny), or a sandboxing `BashExecutor` on the `dsh-bash` seam | | Permission system / AskUserQuestion | `tools/pre-execute` (deny/ask); register an ask tool | -| Plan mode | `tools/pre-execute` (deny writes) + `agent/request` (inject mode prompt) | +| Plan mode | `tools/pre-execute` (deny writes) + a mode prompt section via `ctx.systemPrompt.section()` or `agent.inject()` (model-visible ⟺ logged: `agent/request` shapes call config only) | | Sub-agent delegation | the `ctx.subagents` provider registry (`dsh-subagent-spawn`/`-fork`/`-acp`) + `dsh-tool-subagent` exposing one configured provider to the model | | MCP | one plugin per server: discover tools → `ctx.tools.register()` | | Skills | section + tool registration; `inject()` skill content on invocation | diff --git a/docs/cookbook/responding-to-pr-review-on-a-stack.md b/docs/cookbook/responding-to-pr-review-on-a-stack.md index 7995918a94..4eb7dc482d 100644 --- a/docs/cookbook/responding-to-pr-review-on-a-stack.md +++ b/docs/cookbook/responding-to-pr-review-on-a-stack.md @@ -15,7 +15,7 @@ A wave of review comments lands across several PRs in a dependent stack (`A ← 2. Map each accepted finding to its originating PR, fix it there, then merge down the chain in order. 3. Delegated fixes are trust-but-verify: a sub-agent's report describes intent, not necessarily what landed. Re-run the gates yourself on the actual tree, and for a regression guard, prove it FAILS on the unfixed code (introduce the regression, watch red, revert) — a guard that passes both ways guards nothing. A sub-agent that reframes a problem as already-handled is a signal to dig in personally. 4. Reply in the review thread (`gh api repos/{owner}/{repo}/pulls/{pr}/comments/{id}/replies`), not as a top-level comment, stating the fix and the commit that carries it. -5. Before merging the stack, check dependents: deleting a PR's base branch auto-closes the dependent PR — `gh pr list --json number,baseRefName` first, and merge without `--delete-branch` where a child still bases on the branch. +5. Before merging the stack, check dependents: deleting a PR's base branch auto-closes the dependent PR — check each branch with `gh pr list --state open --base --json number --jq length` (non-zero = open dependents), and merge without `--delete-branch` where a child still bases on the branch. The full landing procedure is the [dsh-merging-stacked-prs](../../.agents/skills/dsh-merging-stacked-prs/SKILL.md) skill. ## Verify diff --git a/docs/cordis-catalog/events-and-services.md b/docs/cordis-catalog/events-and-services.md deleted file mode 100644 index 875a4e52fa..0000000000 --- a/docs/cordis-catalog/events-and-services.md +++ /dev/null @@ -1,599 +0,0 @@ - - -# Cordis Events & Services Catalog - -An index reference to the **wiring** a plugin author works against: every cordis event you can listen to (exact signature + dispatch mode) and every `ctx.` service you can call (exact public interface). It complements [core-data-structures/](../core-data-structures/core.md), which catalogs the *data structures* these signatures move around — this page is the verbs, that page is the nouns. - -This file is GENERATED from source (`scripts/gen-cordis-catalog.ts`) and verified fresh by `pnpm run verify-cordis-catalog` (part of `doc-sync`) — do not edit it by hand. Signature blocks use a `ts cordis-catalog` fence (skipped by doc-typecheck, since a bare signature is not standalone-compilable). Type names in a signature link to the page that documents them. - -The **harness tier** below (the `@deepseek-ai/dsh-*` packages) is the vocabulary this repo owns. The **inherited tier** at the end is the cordis-core + loader/hmr/timer surface a plugin also sees — pinned vendor source, summarized tersely. - -## Events - -Dispatch modes: **emit** (fire-and-forget), **waterfall** (each listener gets `next()` and may transform or veto — see [waterfall semantics](../architecture.md#cordis-waterfall-semantics-important)), **parallel** (awaited fan-out; all listeners run), **serial** (awaited in registration order until one returns a bail value — anything other than `null`, `false`, or `undefined`). - -### `agent/*` - -#### `agent/created` — emit - -An agent was registered in the AgentRegistry and is ready to receive messages. - -```ts cordis-catalog -'agent/created'(agent: Agent): void -``` - -Types: [Agent](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:234`](../../packages/core/agent/src/types.ts) - -#### `agent/disposed` — emit - -An agent was disposed and removed from the registry; its fiber and any in-flight turn have been torn down. - -```ts cordis-catalog -'agent/disposed'(agent: Agent): void -``` - -Types: [Agent](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:241`](../../packages/core/agent/src/types.ts) - -#### `agent/error` — emit - -A step or turn errored. The loop reports a failure here (plus the logger) even when the error has no in-turn position for a session `error` event. - -```ts cordis-catalog -'agent/error'(agent: Agent, turn: number, step: number, error: Error): void -``` - -Types: [Agent](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:389`](../../packages/core/agent/src/types.ts) - -#### `agent/pre-step` — serial - -Awaited pre-step surface-mutation checkpoint, fired once per step AFTER `turn/start` (and after the prior step closed) but BEFORE this step's `step/start` — so anything a listener appends lands OUTSIDE the step, between `turn/start`/`step/end` and the upcoming `step/start`. `step` is the number of the step about to start. The loop awaits `ctx.serial('agent/pre-step', …)` after assembling the system prompt, then opens the step and derives the request history ONCE from whatever the surface now holds. This is where compaction belongs: it mutates the session surface in place (shadowing an older range with a summary node) with its log-only `compact/*` records cleanly outside any step, and the single subsequent derive reflects the mutation — so there is no double-derive and no listener can see (or be expected to act on) an assembled `messages` array that does not exist yet. - -Serial (awaited in registration order), not a waterfall: a listener mutates the surface as a side effect; there is nothing to transform, but the loop must wait for the mutation to complete before opening the step and deriving. Cordis `serial` bails early if a listener returns a bail value; this event is typed and documented as `void`, so listeners must not return a semantic veto value. `fullSystemPrompt` is the assembled prompt a listener needs to measure pressure (the system prompt counts toward the budget). `signal` cancels any in-flight work a listener starts (e.g. a summarization model call). - -```ts cordis-catalog -'agent/pre-step'(agent: Agent, turn: number, step: number, fullSystemPrompt: string, signal: AbortSignal): Promise | void -``` - -Types: [Agent](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:319`](../../packages/core/agent/src/types.ts) - -#### `agent/prompt-submit` — waterfall - -Waterfall: decide what happens to ONE drained queued message before it becomes a `user/message` — allow (optionally rewriting the prompt bytes or attaching `additionalContext`) or block it. Fires inside the already-open turn, per drained message. Maps onto Claude Code's `UserPromptSubmit` hook. Call `next()` to delegate to the default (allow unchanged), or return a PromptDecision without calling `next()` to short-circuit. - -```ts cordis-catalog -'agent/prompt-submit'(agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise): Promise -``` - -Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:332`](../../packages/core/agent/src/types.ts) - -#### `agent/queued` — emit - -A message entered the agent's inbox (queued or steering). `source` is the resolved source (defaults applied), not the caller's raw options. - -```ts cordis-catalog -'agent/queued'(agent: Agent, content: ContentBlock[], info: { source: MessageSource; steering: boolean }): void -``` - -Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:259`](../../packages/core/agent/src/types.ts) - -#### `agent/request` — waterfall - -Waterfall: mutate the fully-assembled GenerateOptions before the model call (hooks, model switching, tool filtering, …). Call `next()` to delegate, or return without it to short-circuit. For surface mutation that must precede history derivation (compaction), use agent/pre-step instead — by the time this fires, `options.messages` is already derived. - -```ts cordis-catalog -'agent/request'(agent: Agent, turn: number, step: number, options: GenerateOptions, next: () => Promise): Promise -``` - -Types: [Agent](../core-data-structures/core.md) · [GenerateOptions](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:345`](../../packages/core/agent/src/types.ts) - -#### `agent/session-start` — emit - -The agent's session lifecycle began, fired once before its first turn. `source` says why (SessionStartSource: fresh startup, a resumed persisted session, …). A pure NOTIFICATION (emit, not waterfall): it carries no veto — a session-start listener that wants to seed context does so via `agent.inject()` (a `context/message` the first request sees), not by returning a decision. Cannot block the session from starting; that gap is deliberate (a bridge logs/injects, it does not gate startup). - -```ts cordis-catalog -'agent/session-start'(agent: Agent, source: SessionStartSource): void -``` - -Types: [Agent](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:274`](../../packages/core/agent/src/types.ts) - -#### `agent/status` — emit - -Agent status changed (`idle` ⇄ `running`, or → `disposed`). Drive lifecycle off this transition, never off a status you just requested — `send()` does not flip status to `running` before it returns. - -```ts cordis-catalog -'agent/status'(agent: Agent, status: AgentStatus): void -``` - -Types: [Agent](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:250`](../../packages/core/agent/src/types.ts) - -#### `agent/steering` — emit - -Steering content was injected into a running turn. - -```ts cordis-catalog -'agent/steering'(agent: Agent, turn: number, content: ContentBlock[], source: MessageSource): void -``` - -Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:379`](../../packages/core/agent/src/types.ts) - -#### `agent/step-result` — waterfall - -Waterfall: post-process the assembled assistant Message before tool dispatch (validation, content rewriting, …). - -```ts cordis-catalog -'agent/step-result'(agent: Agent, turn: number, step: number, message: Message, next: () => Promise): Promise -``` - -Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:355`](../../packages/core/agent/src/types.ts) - -#### `agent/turn-continuation` — waterfall - -Waterfall: override the turn-continuation decision via a typed ContinuationDecision. The loop's `defaultDecision` is `continue` when the step had tool calls or steering was injected, else `stop`. Listeners force-continue (`/goal`, `/loop` — optionally attaching a `reason` recorded as next-step steering) or force-stop (budget guards). Call `next()` to delegate to the default, or return a decision to override. - -```ts cordis-catalog -'agent/turn-continuation'(agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise): Promise -``` - -Types: [Agent](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/types.ts:368`](../../packages/core/agent/src/types.ts) - -### `fs/*` - -#### `fs/edit-intent` — waterfall - -Single-slot decision: produce the optional version guard for the next FileSystem.editText. The tool dispatches this as an unbound waterfall and supplies a default thunk returning `undefined` (unconditional edit of the current content — the bare provider; no `stat`). The `@deepseek-ai/dsh-fs-policy` policy listener returns `{ version: vObserved }`, or throws `FS_NOT_OBSERVED` if the actor is unset or has not observed the target. Does NOT call `next()`: one decision, first-wins (see Events.'fs/write-intent'). - -```ts cordis-catalog -'fs/edit-intent'(target: FsTarget, actor: object | undefined, next: () => { version: FsVersion } | undefined | Promise<{ version: FsVersion } | undefined>): Promise<{ version: FsVersion } | undefined> -``` - -Types: [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md) - -Source: [`packages/fs/fs/src/index.ts:123`](../../packages/fs/fs/src/index.ts) - -#### `fs/observed` — emit - -Record that an actor observed a target at a version, after a successful read/write/edit. Fire-and-forget (plain `emit`). A listener MUST be a synchronous, side-effect-only recorder (`@deepseek-ai/dsh-fs-policy`'s is a `WeakMap.set`): the tool does not guard the emit, so a listener that throws surfaces as the tool's `isError` result, and cordis `emit` does not await listener promises — async or fallible audit/telemetry does not belong here. No listener ⇒ nothing recorded. `actor` is the opaque tool-execution context. - -```ts cordis-catalog -'fs/observed'(target: FsTarget, version: FsVersion, actor: object | undefined): void -``` - -Types: [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md) - -Source: [`packages/fs/fs/src/index.ts:138`](../../packages/fs/fs/src/index.ts) - -#### `fs/write-intent` — waterfall - -Single-slot decision: produce the write intent for the next FileSystem.writeText. The tool dispatches this as an unbound waterfall (no `this`) and supplies a default thunk returning `undefined` (unconditional create-or-overwrite — the bare provider). The `@deepseek-ai/dsh-fs-policy` policy listener returns `createIfAbsent` (unobserved actor) or `{ kind: 'replaceIfVersion', version: vObserved }` (observed) and does NOT call `next()` — one decision, not a composable chain. The slot is first-wins: the first non-`next()` decider (registration order, or `prepend`) occupies it; a second decider is a misconfiguration, not layering. `actor` is the opaque tool-execution context, never read here. - -```ts cordis-catalog -'fs/write-intent'(target: FsTarget, actor: object | undefined, next: () => FsWriteIntent | undefined | Promise): Promise -``` - -Types: [FsTarget](../core-data-structures/filesystem.md) · [FsWriteIntent](../core-data-structures/filesystem.md) - -Source: [`packages/fs/fs/src/index.ts:109`](../../packages/fs/fs/src/index.ts) - -### `llm/*` - -#### `llm/stream` — waterfall - -Waterfall around every streaming model call (retry, caching, routing). Bound to the LlmService; call `next()` to reach the resolved adapter's stream, or yield your own chunks to short-circuit. - -```ts cordis-catalog -'llm/stream'(this: LlmService, options: GenerateOptions, next: () => AsyncIterable): AsyncIterable -``` - -Types: [GenerateOptions](../core-data-structures/core.md) · [StreamChunk](../core-data-structures/llm-streaming.md) - -Source: [`packages/llm/llm/src/index.ts:32`](../../packages/llm/llm/src/index.ts) - -### `session/*` - -#### `session/created` — emit - -A session was created in the store. - -```ts cordis-catalog -'session/created'(session: Session): void -``` - -Source: [`packages/core/session/src/index.ts:36`](../../packages/core/session/src/index.ts) - -#### `session/event` — emit - -An event was appended to a session log (sync, fire-and-forget). This is the per-append feed a UI or invariant plugin tails. - -```ts cordis-catalog -'session/event'(session: Session, event: SessionEvent): void -``` - -Types: [SessionEvent](../core-data-structures/core.md) - -Source: [`packages/core/session/src/index.ts:44`](../../packages/core/session/src/index.ts) - -#### `session/flush` — parallel - -Awaited durability checkpoint. The agent loop awaits `ctx.parallel('session/flush', session)` at every turn end; persistence plugins (JSONL, SQLite) drain their write-behind buffers here and on fiber dispose. Awaited (parallel), not a waterfall: every listener runs and the loop waits for all of them, but none can veto. - -```ts cordis-catalog -'session/flush'(session: Session): Promise | void -``` - -Source: [`packages/core/session/src/index.ts:54`](../../packages/core/session/src/index.ts) - -### `subagent/*` - -#### `subagent/end` — emit - -A subagent run settled — emitted when SubagentRun.result resolves (any stop reason). Paired with Events['subagent/start']. - -```ts cordis-catalog -'subagent/end'(info: SubagentRunEndInfo): void -``` - -Source: [`packages/subagent/subagent/src/index.ts:77`](../../packages/subagent/subagent/src/index.ts) - -#### `subagent/start` — emit - -A subagent run started — emitted after the provider is resolved and its capabilities validated, as the child run begins. Paired with Events['subagent/end']. - -```ts cordis-catalog -'subagent/start'(info: SubagentRunInfo): void -``` - -Source: [`packages/subagent/subagent/src/index.ts:70`](../../packages/subagent/subagent/src/index.ts) - -### `system-prompt/*` - -#### `system-prompt/assemble` — waterfall - -Waterfall around prompt assembly — mutate or extend the PromptAssembly (sections + tool schemas) before it is rendered. Bound to the SystemPrompt service; call `next()` to delegate. - -```ts cordis-catalog -'system-prompt/assemble'(this: SystemPrompt, assembly: PromptAssembly, next: () => Promise): Promise -``` - -Source: [`packages/core/system-prompt/src/index.ts:26`](../../packages/core/system-prompt/src/index.ts) - -#### `system-prompt/change` — emit - -A section or tool provider was registered or unregistered (the assembly inputs changed). - -```ts cordis-catalog -'system-prompt/change'(): void -``` - -Source: [`packages/core/system-prompt/src/index.ts:32`](../../packages/core/system-prompt/src/index.ts) - -### `tools/*` - -#### `tools/change` — emit - -A tool was registered or unregistered (the available tool set changed). - -```ts cordis-catalog -'tools/change'(): void -``` - -Source: [`packages/core/tools/src/index.ts:87`](../../packages/core/tools/src/index.ts) - -#### `tools/post-execute` — waterfall - -Waterfall AFTER a tool runs — where hook plugins inspect the result and accept it (optionally REPLACING the model-facing content, and/or attaching `additionalContext` for the next request) or block it with corrective `feedback` (Claude Code's `PostToolUse`). Listeners receive `(exec, result, next)`: call `next()` to delegate to the default (accept unchanged), or return a PostToolDecision to override. The core tool dispatch sits between the two waterfalls as plain code, all inside `execute`'s outer try/catch (and the tool body keeps its own inner try/catch, so a thrown tool still reaches `post-execute` as an `isError` result). - -```ts cordis-catalog -'tools/post-execute'(this: ToolRegistry, exec: ToolExecution, result: ToolExecutionResult, next: () => Promise): Promise -``` - -Types: [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) - -Source: [`packages/core/tools/src/index.ts:82`](../../packages/core/tools/src/index.ts) - -#### `tools/pre-execute` — waterfall - -Waterfall BEFORE a tool runs — the gate where sandbox, permission, and hook plugins allow or deny a call (Claude Code's `PreToolUse`). Listeners receive `(exec, next)`: call `next()` to delegate to the default (allow), or return a PreToolDecision without calling `next()` to short-circuit. A `deny` skips dispatch and yields an `isError` result; the tool body never runs. Input rewrite is deliberately NOT offered here (see PreToolDecision); `ask` degrades to deny until the permission system lands (`FIXME(permissions)`). - -```ts cordis-catalog -'tools/pre-execute'(this: ToolRegistry, exec: ToolExecution, next: () => Promise): Promise -``` - -Types: [ToolExecution](../core-data-structures/tools.md) - -Source: [`packages/core/tools/src/index.ts:66`](../../packages/core/tools/src/index.ts) - -### `web/*` - -#### `web/providers-change` — emit - -Fired after the provider registry changes — a search or fetch provider was registered or disposed. Carries no payload and no capability graph: it means only "the provider registry changed; observers may recompute status from `ctx.web`". `searchStatus()` / `fetchStatus()` stay derived, not stored. - -```ts cordis-catalog -'web/providers-change'(this: WebService): void -``` - -Source: [`packages/web/web/src/index.ts:65`](../../packages/web/web/src/index.ts) - -## Services - -The `ctx.` services the harness provides. An abstract seam (e.g. `ctx.bash`) is implemented by a separate package; the interface is what consumers code against. - -### `ctx.agentLoop` — `AgentLoop` - -The agent-loop plugin (`ctx.agentLoop`): creates ReactLoopAgents, runs their loops, and registers them in `ctx.agents`. Also implements the AgentFactory seam, so plugins create/resume agents through `ctx.agents` (the interface) without depending on this concrete package. - -The loop itself is deliberately thin — every behavior beyond "call the model, run the tools, repeat" belongs to plugins listening on the event taxonomy declared in @deepseek-ai/dsh-agent. - -```ts cordis-catalog -create(id: AgentId, options: AgentOptions = {}): ReactLoopAgent -createAgent(options: CreateAgentOptions): AgentHandle -async resume(options: ResumeAgentOptions): Promise -``` - -Source: [`packages/core/agent-loop/src/index.ts:63`](../../packages/core/agent-loop/src/index.ts) - -### `ctx.agents` — `AgentRegistry` - -Agent registry (`ctx.agents`): tracks live agents so UI, hook, and orchestrator plugins can find them without depending on the concrete loop package. Agent *creation* is provided by whichever plugin implements the AgentFactory (phase 1: `@deepseek-ai/dsh-agent-loop`), registered via setFactory. - -```ts cordis-catalog -setFactory(factory: AgentFactory): () => void -create(options: CreateAgentOptions): AgentHandle -async resume(options: ResumeAgentOptions): Promise -register(agent: Agent): () => void -get(id: AgentId): Agent | undefined -list(): Agent[] -``` - -Types: [Agent](../core-data-structures/core.md) - -Source: [`packages/core/agent/src/index.ts:117`](../../packages/core/agent/src/index.ts) - -### `ctx.bash` — `BashExecutor` (abstract seam) - -Abstract bash execution service. Subclass, implement the abstract methods, and load the subclass as a plugin — it registers as `ctx.bash` (one implementation per context; loading a second throws, which is cordis' standard duplicate-service behavior). - -Semantics every implementation must honor: - -- run REJECTS only for infrastructure failures (unusable workdir, missing shell, pre-aborted signal). Nonzero exits, timeout kills, and abort kills RESOLVE with a descriptive BashRunResult — reporting a failed command is the tool layer's job, not an exception. -- start returns immediately; no timeout applies to background tasks (callers stop them via kill or the spec's AbortSignal). Completion must fire the onTaskDone listeners exactly once per task, and must NOT fire after the service is disposed. -- readOutput is incremental: consecutive reads never re-deliver output. Implementations bound their buffers; reads that lost data flag `lossy` and point at full-stream spill files when available. -- Disposal kills every running task and awaits their exit (no orphan processes survive `fiber.dispose()`). - -```ts cordis-catalog -abstract resolve(request: BashExecRequest): BashExecSpec -abstract run(spec: BashExecSpec): Promise -abstract start(spec: BashExecSpec): BashTask -abstract get(id: BashTaskId): BashTask | undefined -abstract ownerOf(id: BashTaskId): OwnerToken | undefined -abstract list(): BashTask[] -abstract readOutput(id: BashTaskId): BashTaskRead -abstract kill(id: BashTaskId): boolean -onTaskDone(listener: BashTaskListener): () => void -``` - -Types: [BashExecRequest](../core-data-structures/bash.md) · [BashExecSpec](../core-data-structures/bash.md) · [BashRunResult](../core-data-structures/bash.md) · [BashTask](../core-data-structures/bash.md) · [BashTaskRead](../core-data-structures/bash.md) - -Source: [`packages/bash/bash/src/index.ts:59`](../../packages/bash/bash/src/index.ts) - -### `ctx.compact` — `CompactService` (abstract seam) - -Abstract compaction service. Subclass implement the two abstract methods, and load the subclass as a plugin — it registers as `ctx.compact` (one implementation per context; loading a second throws, which is cordis' standard duplicate-service behavior). - -Both core methods are abstract: the contract states WHAT compaction does, while the entire strategy — token estimation, retention policy, event sequencing, summarization — is a HOW decision owned by the implementation. - -Implementations MUST honor: - -- **Surface contract**: a successful compaction shadows the compacted surface nodes with a SINGLE replacement node carrying the summary. Because `SurfaceEventType` is a closed union, that node is a `user/message` with `surfaceOp: { op:'replace', start, end }`; the `compact/*` events are log-only (lock + provenance). -- **Blocking**: no compaction begins while another is in progress for the same session. The recommended mechanism is the log-recorded lock — append `compact/start` before the slow work and `compact/end` after (even on failure) — so the lock is visible to replay and crash recovery. - -```ts cordis-catalog -abstract compactIfNeeded( agent: CompactAgentContext, turn: number, step: number, fullSystemPrompt: string, signal: AbortSignal, ): Promise -abstract compactRegion( session: Session, start: number, end: number, agent: CompactAgentContext, turn: number, step: number, signal?: AbortSignal, ): Promise -``` - -Source: [`packages/compact/compact/src/index.ts:63`](../../packages/compact/compact/src/index.ts) - -### `ctx.fs` — `FileSystem` (abstract seam) - -Abstract filesystem provider service. Subclass, implement the seven storage primitives, and load the subclass as a plugin — it registers as `ctx.fs` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). - -Semantics every backend must honor: - -- resolve returns a stable FsTarget; the same underlying file reached by different input paths must yield the same `targetKey` so stale guards and target lookup agree across paths (e.g. through symlinks). -- stat returns FsInfo metadata (never content) or `undefined` when the target is absent. -- readText/streamText read the whole regular text file (the stream for large files); both own regular-file checks, UTF-8 decoding, binary/NUL rejection, and `FS_NOT_TEXT`. -- listDir returns direct children of a directory in stable name order with resolved child targets and cheap metadata only. It never reads file contents. Missing targets throw `FS_NOT_FOUND`, non-directories throw `FS_NOT_DIRECTORY`, permission failures throw `FS_PERMISSION_DENIED`, and other backend I/O failures throw `FS_IO_ERROR`. -- writeText is atomic temp-file + rename. `expected` is OPTIONAL: omit it for an unconditional create-or-overwrite (the bare-provider default), or supply a FsWriteIntent to guard the write. -- editText verifies `expected.version` BEFORE literal matching (so a stale edit reports `FS_STALE_VERSION`, not `FS_EDIT_NOT_FOUND`/ `FS_AMBIGUOUS_EDIT` against newer content), then applies literal replacement and writes atomically — all inside one mutation critical section. `expected` is OPTIONAL: omit it for an unconditional edit of the current content (a missing target still reports `FS_STALE_VERSION`). - -```ts cordis-catalog -abstract resolve(path: string, opts?: { cwd?: string }): Promise -abstract stat(target: FsTarget, signal?: AbortSignal): Promise -abstract readText(target: FsTarget, signal?: AbortSignal): Promise -abstract streamText(target: FsTarget, signal?: AbortSignal): Promise> -abstract listDir(target: FsTarget, signal?: AbortSignal): Promise -abstract writeText(target: FsTarget, content: string, expected?: FsWriteIntent, signal?: AbortSignal): Promise -abstract editText(target: FsTarget, edit: FsEditRequest, expected?: { version: FsVersion }, signal?: AbortSignal): Promise -``` - -Types: [FsEditOutcome](../core-data-structures/filesystem.md) · [FsEditRequest](../core-data-structures/filesystem.md) · [FsInfo](../core-data-structures/filesystem.md) · [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md) · [FsWriteIntent](../core-data-structures/filesystem.md) · [FsWriteOutcome](../core-data-structures/filesystem.md) - -Source: [`packages/fs/fs/src/index.ts:172`](../../packages/fs/fs/src/index.ts) - -### `ctx.llm` — `LlmService` - -The abstract `llm` service: an adapter registry plus a streaming model-call surface, interceptable via the `llm/stream` waterfall. - -```ts cordis-catalog -registerAdapter(models: string[], adapter: LlmAdapter): () => void -models(): string[] -stream(options: GenerateOptions): AsyncIterable -``` - -Types: [GenerateOptions](../core-data-structures/core.md) · [StreamChunk](../core-data-structures/llm-streaming.md) - -Source: [`packages/llm/llm/src/index.ts:70`](../../packages/llm/llm/src/index.ts) - -### `ctx.sessionPersistence` — `SessionPersistence` (abstract seam) - -Abstract durable session-persistence service. Subclass, implement the abstract methods, and load the subclass as a plugin — it registers as `ctx.sessionPersistence` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). - -Contracts every implementation MUST honor (a DB backend asserts them inside a transaction; a file backend appends at EOF): - -- **Append-only; a crashed turn is closed, not truncated.** Committed events — those at or below a flushed `turn/end` — are never rewritten. A crash can leave an unclosed final turn whose events are real (and possibly large); load preserves them and closes the orphaned turn with synthetic boundary events (see load). Only a never-fully-written torn tail fragment is discarded. -- **Contiguous seq.** A persisted log is contiguous: `events[i].seq === i`. load rejects a parse error or a `seq` gap in the COMMITTED region (unloadable); append's first event `seq` MUST equal the backend's stored next-seq (after `load` has balanced any interrupted turn). -- **JSON-serializable data.** `SessionEventMap` is merge-extensible and `event.data` is typed only as `SessionEventMap[K]`, so append REJECTS non-JSON-serializable data with an error naming the offending event type. A backend snapshots (serializes/clones) each event when it buffers, since `session.events` hands out the live mutable object. -- **Durability.** append returns only once the batch is durable (the file backend fsyncs; a DB commits). create MAY defer the physical write until the first append (lazy materialization). - -```ts cordis-catalog -abstract create(meta: SessionHeader): Promise -abstract append(id: SessionId, events: readonly SessionEvent[]): Promise -abstract load(id: SessionId): Promise<{ meta: SessionHeader; events: SessionEvent[] }> -abstract list(): Promise -``` - -Types: [SessionEvent](../core-data-structures/core.md) - -Source: [`packages/session-persistence/session-persistence/src/index.ts:98`](../../packages/session-persistence/session-persistence/src/index.ts) - -### `ctx.sessions` — `SessionStore` - -In-memory session store (`ctx.sessions`). - -Persistence is intentionally not implemented here — persistence plugins subscribe to `session/event` and flush on `session/flush` / dispose. - -```ts cordis-catalog -create(id?: SessionId, options?: CreateSessionOptions): Session -prepare(id?: SessionId, options?: CreateSessionOptions): Session -enter(session: Session): () => void -announce(session: Session): void -get(id: SessionId): Session | undefined -list(): Session[] -``` - -Source: [`packages/core/session/src/index.ts:327`](../../packages/core/session/src/index.ts) - -### `ctx.subagents` — `SubagentService` - -The `subagents` service: a registry of named SubagentProviders and a capability-checked start surface. - -```ts cordis-catalog -registerProvider(provider: SubagentProvider): () => void -getProvider(name: string): SubagentProvider | undefined -list(): string[] -start(name: string, request: SubagentStartRequest): SubagentRun -``` - -Source: [`packages/subagent/subagent/src/index.ts:123`](../../packages/subagent/subagent/src/index.ts) - -### `ctx.systemPrompt` — `SystemPrompt` - -Registry service (`ctx.systemPrompt`): plugins contribute ordered text sections and tool-schema providers; the agent loop calls `assemble()` once per step. - -```ts cordis-catalog -section(section: PromptSection): () => void -tools(provider: () => ToolSchema[]): () => void -assemble(): Promise -``` - -Source: [`packages/core/system-prompt/src/index.ts:73`](../../packages/core/system-prompt/src/index.ts) - -### `ctx.tools` — `ToolRegistry` - -Tool registry (`ctx.tools`): tool plugins register definitions; the agent loop executes calls through the `tools/pre-execute` → dispatch → `tools/post-execute` pipeline. The registry contributes its schemas into the system-prompt assembly. - -```ts cordis-catalog -register(definition: ToolDefinition): () => void -get(name: string): ToolDefinition | undefined -schemas(): ToolSchema[] -async execute(exec: ToolExecution): Promise -``` - -Types: [ToolDefinition](../core-data-structures/tools.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) - -Source: [`packages/core/tools/src/index.ts:268`](../../packages/core/tools/src/index.ts) - -### `ctx.web` — `WebService` - -The web access service. Registered as `ctx.web` (one instance per context). - -Selection semantics (identical for status and execution, never order- dependent): - -- A configured id that is registered and `status().available` → that provider. -- A configured id not registered → `configured-missing` / `WEB_PROVIDER_CONFIGURED_MISSING`. -- A configured id registered but unavailable → `configured-unavailable` / `WEB_PROVIDER_CONFIGURED_UNAVAILABLE`. -- No id configured, exactly one registered usable provider → that provider. -- No id configured, multiple usable providers → `ambiguous` / `WEB_PROVIDER_AMBIGUOUS`. -- No id configured, no usable provider → `none` / `WEB_PROVIDER_UNAVAILABLE`. - -```ts cordis-catalog -registerSearchProvider(provider: WebSearchProvider): () => void -registerFetchProvider(provider: WebFetchProvider): () => void -searchStatus(): WebCapabilityStatus -fetchStatus(): WebCapabilityStatus -async search(request: WebSearchRequest, exec?: WebExecContext): Promise -async fetch(request: WebFetchRequest, exec?: WebExecContext): Promise -``` - -Source: [`packages/web/web/src/index.ts:105`](../../packages/web/web/src/index.ts) - -## Inherited tier (cordis core + loader/hmr/timer) - -The framework surface every plugin inherits, beyond the harness vocabulary above. This is pinned vendor source ([vendoring policy](../../vendor/README.md)); it is summarized here so the catalog is a complete picture of what `ctx` and the event bus offer, without elevating framework internals to the harness tier's prominence. - -### Inherited events - -- `internal/plugin` — A plugin fiber was created. ([`vendor/cordis/src/events.ts:197`](../../vendor/cordis/src/events.ts)) -- `internal/status` — A fiber changed lifecycle state. ([`vendor/cordis/src/events.ts:198`](../../vendor/cordis/src/events.ts)) -- `internal/service` — Interception hook for a service binding (no core producer). ([`vendor/cordis/src/events.ts:199`](../../vendor/cordis/src/events.ts)) -- `internal/update` — Waterfall: a fiber config update is being applied. ([`vendor/cordis/src/events.ts:200`](../../vendor/cordis/src/events.ts)) -- `internal/get` — Waterfall: a service is being read from the store. ([`vendor/cordis/src/events.ts:201`](../../vendor/cordis/src/events.ts)) -- `internal/set` — Waterfall: a service is being written to the store. ([`vendor/cordis/src/events.ts:202`](../../vendor/cordis/src/events.ts)) -- `internal/listener` — A listener was registered. ([`vendor/cordis/src/events.ts:203`](../../vendor/cordis/src/events.ts)) -- `internal/dispatch` — An event is being dispatched to listeners. ([`vendor/cordis/src/events.ts:204`](../../vendor/cordis/src/events.ts)) -- `hmr/change` — A watched source file changed on disk. ([`vendor/hmr/src/index.ts:20`](../../vendor/hmr/src/index.ts)) -- `hmr/reload` — Plugins are being reloaded after a change. ([`vendor/hmr/src/index.ts:21`](../../vendor/hmr/src/index.ts)) -- `exit` — The process is exiting on a signal. ([`vendor/loader/src/index.ts:23`](../../vendor/loader/src/index.ts)) -- `loader/config-update` — The loader config tree changed. ([`vendor/loader/src/index.ts:24`](../../vendor/loader/src/index.ts)) -- `loader/entry-init` — A config entry is being initialized. ([`vendor/loader/src/index.ts:25`](../../vendor/loader/src/index.ts)) -- `loader/partial-dispose` — An entry is being partially disposed on reload. ([`vendor/loader/src/index.ts:26`](../../vendor/loader/src/index.ts)) -- `loader/patch-context` — A context is being patched during a reload. ([`vendor/loader/src/index.ts:27`](../../vendor/loader/src/index.ts)) - -### Inherited `ctx` members - -- `ctx.on / ctx.once` — Register an event listener (disposable). ([`vendor/cordis/src/events.ts:29`](../../vendor/cordis/src/events.ts)) -- `ctx.emit / ctx.parallel / ctx.serial / ctx.bail / ctx.waterfall` — Dispatch an event (sync / awaited / first-bail / veto-chain). ([`vendor/cordis/src/events.ts:29`](../../vendor/cordis/src/events.ts)) -- `ctx.plugin / ctx.inject` — Load a plugin / declare required services. ([`vendor/cordis/src/registry.ts:144`](../../vendor/cordis/src/registry.ts)) -- `ctx.effect` — Register a disposable side effect tied to the fiber. ([`vendor/cordis/src/fiber.ts:9`](../../vendor/cordis/src/fiber.ts)) -- `ctx.get / ctx.set / ctx.provide / ctx.accessor / ctx.mixin` — Low-level service-store access and binding. ([`vendor/cordis/src/reflect.ts:7`](../../vendor/cordis/src/reflect.ts)) -- `ctx.extend / ctx.isolate / ctx.intercept` — Derive a child context (scoped services / isolation / interception). ([`vendor/cordis/src/context.ts:35`](../../vendor/cordis/src/context.ts)) -- `ctx.root / ctx.scope / ctx.fiber / ctx.registry / ctx.reflect / ctx.events / ctx.logger` — Ambient handles onto the running context graph. ([`vendor/cordis/src/context.ts:16`](../../vendor/cordis/src/context.ts)) -- `ctx.timer (+ interval / timeout / throttle / debounce / setTimeout / setInterval)` — Disposable timer helpers. The `timer` key is provided at runtime; the six helpers are mixed onto ctx directly (declared via Pick). ([`vendor/timer/src/index.ts:4`](../../vendor/timer/src/index.ts)) -- `ctx.loader` — The config Loader that booted the app (present under the loader). ([`vendor/loader/src/index.ts:30`](../../vendor/loader/src/index.ts)) -- `ctx.hmr` — The hot-module-reload watcher (present under the hmr plugin). ([`vendor/hmr/src/index.ts:15`](../../vendor/hmr/src/index.ts)) diff --git a/docs/cordis-catalog/events.md b/docs/cordis-catalog/events.md new file mode 100644 index 0000000000..332f85368d --- /dev/null +++ b/docs/cordis-catalog/events.md @@ -0,0 +1,480 @@ + + +# Cordis Events Catalog + +Every cordis event a plugin can listen to: exact signature, dispatch mode, and the declaration's JSDoc. This is one axis of the **wiring** reference a plugin author works against — the callable `ctx.` surface is the sibling [services catalog](services.md), and [core-data-structures/](../core-data-structures/core.md) catalogs the *data structures* these signatures move around. + +This file is GENERATED from source (`scripts/gen-cordis-catalog.ts`) and verified fresh by `pnpm run verify-cordis-catalog` (part of `doc-sync`) — do not edit it by hand. Signature blocks use a `ts cordis-catalog` fence (skipped by doc-typecheck, since a bare signature is not standalone-compilable). Type names in a signature link to the page that documents them. + +The **harness tier** below (the `@deepseek-ai/dsh-*` packages) is the vocabulary this repo owns, grouped by scope. The **inherited tier** at the end is the cordis-core + loader/hmr/timer event surface a plugin also sees — pinned vendor source, summarized tersely. + +Dispatch modes: **emit** (fire-and-forget), **waterfall** (each listener gets `next()` and may transform or veto — see [waterfall semantics](../cordis-primer.md#cordis-waterfall-semantics)), **parallel** (awaited fan-out; all listeners run), **serial** (awaited in registration order until one returns a bail value — anything other than `null`, `false`, or `undefined`). + +## `agent/*` + +### `agent/created` — emit + +An agent was registered in the AgentRegistry and is ready to receive messages. + +```ts cordis-catalog +'agent/created'(agent: Agent): void +``` + +Types: [Agent](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:265`](../../packages/core/agent/src/types.ts) + +### `agent/disposed` — emit + +An agent was disposed and removed from the registry; its fiber and any in-flight turn have been torn down. + +```ts cordis-catalog +'agent/disposed'(agent: Agent): void +``` + +Types: [Agent](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:272`](../../packages/core/agent/src/types.ts) + +### `agent/error` — emit + +A step or turn errored. The loop reports a failure here (plus the logger) even when the error has no in-turn position for a session `error` event. + +```ts cordis-catalog +'agent/error'(agent: Agent, turn: number, step: number, error: Error): void +``` + +Types: [Agent](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:476`](../../packages/core/agent/src/types.ts) + +### `agent/pre-step` — serial + +Awaited pre-step surface-mutation checkpoint, fired once per step AFTER `turn/start` (and after the prior step closed) but BEFORE this step's `step/start` — so anything a listener appends lands OUTSIDE the step, between `turn/start`/`step/end` and the upcoming `step/start`. `step` is the number of the step about to start. The loop awaits `ctx.serial('agent/pre-step', …)` after assembling the system prompt, then opens the step and derives the request history ONCE from whatever the surface now holds. This is where compaction belongs: it mutates the session surface in place (shadowing an older range with a summary node) with its log-only `compact/*` records cleanly outside any step, and the single subsequent derive reflects the mutation — so there is no double-derive and no listener can see (or be expected to act on) an assembled `messages` array that does not exist yet. + +Serial (awaited in registration order), not a waterfall: a listener mutates the surface as a side effect; there is nothing to transform, but the loop must wait for the mutation to complete before opening the step and deriving. Cordis `serial` bails early if a listener returns a bail value; this event is typed and documented as `void`, so listeners must not return a semantic veto value. `fullSystemPrompt` is the assembled prompt a listener needs to measure pressure (the system prompt counts toward the budget), and `sessionPrefix` is the instance's composed agent/session-prefix product for the same reason — every request carries it in front of the derived history, and it is composed BEFORE this seam fires precisely so a pressure gate counts the prefix the request will actually send (never a stale logged one). `signal` cancels any in-flight work a listener starts (e.g. a summarization model call). + +```ts cordis-catalog +'agent/pre-step'(agent: Agent, turn: number, step: number, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal): Promise | void +``` + +Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:357`](../../packages/core/agent/src/types.ts) + +### `agent/prompt-submit` — waterfall + +Waterfall: decide what happens to ONE drained queued message before it becomes a `user/message` — allow (optionally rewriting the prompt bytes or attaching `additionalContext`) or block it. Fires inside the already-open turn, per drained message. Maps onto Claude Code's `UserPromptSubmit` hook. Call `next()` to delegate to the default (allow unchanged), or return a PromptDecision without calling `next()` to short-circuit. + +```ts cordis-catalog +'agent/prompt-submit'(agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise): Promise +``` + +Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:370`](../../packages/core/agent/src/types.ts) + +### `agent/queued` — emit + +A message entered the agent's inbox (queued or steering). `source` is the resolved source (defaults applied), not the caller's raw options. + +```ts cordis-catalog +'agent/queued'(agent: Agent, content: ContentBlock[], info: { source: MessageSource; steering: boolean }): void +``` + +Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:290`](../../packages/core/agent/src/types.ts) + +### `agent/request` — waterfall + +Waterfall: shape the step's call configuration — model switching, sampling overrides — by returning a replacement LlmCallConfig (the frozen seed is the config the loop would otherwise use). Config is ALL a listener shapes here: every request is a pure function of the session log (the reconstructability RFC), so model-visible content flows through the log channels — `inject()`, steering, prompt-submit `additionalContext`, prompt sections via `system-prompt/assemble`, or the header-logged session prefix via agent/session-prefix — never through request mutation, and the loop records whatever config the request actually uses as a `request/header*` event before dispatch. The step's messages are already snapshotted when this fires (the `step/start` boundary): an `inject()` from a listener here lands in the log but joins the NEXT request. For surface mutation that must precede the snapshot (compaction), use agent/pre-step. Call `next()` to delegate, or return an LlmCallConfig without it to short-circuit. + +```ts cordis-catalog +'agent/request'(agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise): Promise +``` + +Types: [Agent](../core-data-structures/core.md) · [LlmCallConfig](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:394`](../../packages/core/agent/src/types.ts) + +### `agent/session-prefix` — waterfall + +Waterfall: compose the SESSION PREFIX — request-only messages placed in front of the ENTIRE derived history (directly after the provider's system slot) on every request this loop instance sends. Fired ONCE per loop instance, lazily before its first step's agent/pre-step seam — BEFORE the pre-step so a token-pressure gate (compaction) counts the prefix this instance will actually send, never a previous instance's logged one. The composed result is deep-frozen, recorded as `EpochHeader.messagePrefix` on the instance's anchoring `'initial'`/`'resume'` header snapshot, and reused verbatim for every subsequent request — never recomputed mid-session, so the provider prefix cache holds by construction (a process restart or `ctx.agents.resume()` is a new instance: it recomposes, and any drift lands attributably on the `'resume'` snapshot). Composition runs outside the step, before the boundary snapshot: a composing listener's session append joins the CURRENT request's derived history. A composition interrupted by a cancel/dispose landing inside the waterfall is discarded — never cached, logged, or sent — and the next turn recomposes under a live signal, so an abort-aware listener's degraded fallback cannot leak into later requests. + +This is the home for session-stable openers the model must always see but that must NOT become durable history — a skills catalog, an AGENTS.md digest, a workspace baseline: `Session.deriveMessages()` never returns the prefix, and the header events are its only durable record, so the request stays reconstructable from the log. Content that CHANGES mid-session belongs in the append-only history channels instead — `agent.inject()`, a `tools/post-execute` decision's `additionalContext`, prompt-submit `additionalContext` — each a durable `context/message` paid once and prefix-cached thereafter. + +The seed is a frozen empty list; a contributing listener returns a NEW array — never an in-place push. The canonical contribution is a PREPEND, `[mine, ...await next()]`: the waterfall unwinds innermost-first (the LAST-registered listener's `next()` resolves first), so prepending yields registration order on the wire, and every plugin using it composes deterministically. The append form `[...await next(), mine]` is legal but places a contribution AFTER every later-registered plugin's — reverse registration order when all contributors append. Call `next()` to delegate, or return a list without it to short-circuit. + +```ts cordis-catalog +'agent/session-prefix'(agent: Agent, prefix: Message[], signal: AbortSignal, next: () => Promise): Promise +``` + +Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:441`](../../packages/core/agent/src/types.ts) + +### `agent/session-start` — emit + +The agent's session lifecycle began, fired once before its first turn. `source` says why (SessionStartSource: fresh startup, a resumed persisted session, …). A pure NOTIFICATION (emit, not waterfall): it carries no veto — a session-start listener that wants to seed context does so via `agent.inject()` (a `context/message` the first request sees), not by returning a decision. Cannot block the session from starting; that gap is deliberate (a bridge logs/injects, it does not gate startup). + +```ts cordis-catalog +'agent/session-start'(agent: Agent, source: SessionStartSource): void +``` + +Types: [Agent](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:305`](../../packages/core/agent/src/types.ts) + +### `agent/status` — emit + +Agent status changed (`idle` ⇄ `running`, or → `disposed`). Drive lifecycle off this transition, never off a status you just requested — `send()` does not flip status to `running` before it returns. + +```ts cordis-catalog +'agent/status'(agent: Agent, status: AgentStatus): void +``` + +Types: [Agent](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:281`](../../packages/core/agent/src/types.ts) + +### `agent/step-result` — waterfall + +Waterfall: post-process the assembled assistant Message before tool dispatch (validation, content rewriting, …). + +```ts cordis-catalog +'agent/step-result'(agent: Agent, turn: number, step: number, message: Message, next: () => Promise): Promise +``` + +Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:451`](../../packages/core/agent/src/types.ts) + +### `agent/turn-continuation` — waterfall + +Waterfall: override the turn-continuation decision via a typed ContinuationDecision. The loop's `defaultDecision` is `continue` when the step had tool calls or steering was injected, else `stop`. Listeners force-continue (`/goal`, `/loop` — optionally attaching a `reason` recorded as next-step steering) or force-stop (budget guards). Call `next()` to delegate to the default, or return a decision to override. + +```ts cordis-catalog +'agent/turn-continuation'(agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise): Promise +``` + +Types: [Agent](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/types.ts:464`](../../packages/core/agent/src/types.ts) + +## `approval/*` + +### `approval/request` — waterfall + +Waterfall asking the composed answerers to decide one approval request. Dispatched only from ApprovalService.request — callers go through the service (which owns cancellation and the audit events), never through `ctx.waterfall` directly. A listener that can answer for this request's agent returns an outcome WITHOUT calling `next()` (the decision slot is single-occupancy, first listener to answer wins); a listener that does not recognize the agent MUST call `next()` so another answerer — or the fail-closed default `'unavailable'` — gets the question. Throwing is contained by the service and yields `'unavailable'`. + +```ts cordis-catalog +'approval/request'(this: ApprovalService, req: ApprovalRequest, next: () => Promise): Promise +``` + +Types: [ApprovalOutcome](../core-data-structures/approval.md) · [ApprovalRequest](../core-data-structures/approval.md) + +Source: [`packages/ui/user-approval/src/index.ts:64`](../../packages/ui/user-approval/src/index.ts) + +## `fs/*` + +### `fs/edit-intent` — waterfall + +Single-slot decision: produce the optional version guard for the next FileSystem.editText. The tool dispatches this as an unbound waterfall and supplies a default thunk returning `undefined` (unconditional edit of the current content — the bare provider; no `stat`). The `@deepseek-ai/dsh-fs-policy` policy listener returns `{ version: vObserved }`, or throws `FS_NOT_OBSERVED` if the actor is unset or has not observed the target. Does NOT call `next()`: one decision, first-wins (see Events.'fs/write-intent'). + +```ts cordis-catalog +'fs/edit-intent'(target: FsTarget, actor: object | undefined, next: () => { version: FsVersion } | undefined | Promise<{ version: FsVersion } | undefined>): Promise<{ version: FsVersion } | undefined> +``` + +Types: [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md) + +Source: [`packages/fs/fs/src/index.ts:123`](../../packages/fs/fs/src/index.ts) + +### `fs/observed` — emit + +Record that an actor observed a target at a version, after a successful read/write/edit. Fire-and-forget (plain `emit`). A listener MUST be a synchronous, side-effect-only recorder (`@deepseek-ai/dsh-fs-policy`'s is a `WeakMap.set`): the tool does not guard the emit, so a listener that throws surfaces as the tool's `isError` result, and cordis `emit` does not await listener promises — async or fallible audit/telemetry does not belong here. No listener ⇒ nothing recorded. `actor` is the opaque tool-execution context. + +```ts cordis-catalog +'fs/observed'(target: FsTarget, version: FsVersion, actor: object | undefined): void +``` + +Types: [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md) + +Source: [`packages/fs/fs/src/index.ts:138`](../../packages/fs/fs/src/index.ts) + +### `fs/write-intent` — waterfall + +Single-slot decision: produce the write intent for the next FileSystem.writeText. The tool dispatches this as an unbound waterfall (no `this`) and supplies a default thunk returning `undefined` (unconditional create-or-overwrite — the bare provider). The `@deepseek-ai/dsh-fs-policy` policy listener returns `createIfAbsent` (unobserved actor) or `{ kind: 'replaceIfVersion', version: vObserved }` (observed) and does NOT call `next()` — one decision, not a composable chain. The slot is first-wins: the first non-`next()` decider (registration order, or `prepend`) occupies it; a second decider is a misconfiguration, not layering. `actor` is the opaque tool-execution context, never read here. + +```ts cordis-catalog +'fs/write-intent'(target: FsTarget, actor: object | undefined, next: () => FsWriteIntent | undefined | Promise): Promise +``` + +Types: [FsTarget](../core-data-structures/filesystem.md) · [FsWriteIntent](../core-data-structures/filesystem.md) + +Source: [`packages/fs/fs/src/index.ts:109`](../../packages/fs/fs/src/index.ts) + +## `llm/*` + +### `llm/stream` — waterfall + +Waterfall around every streaming model call (retry, replay, routing). Bound to the LlmService; call `next()` to reach the resolved adapter's stream, or yield your own chunks to short-circuit. + +```ts cordis-catalog +'llm/stream'(this: LlmService, options: GenerateOptions, next: () => AsyncIterable): AsyncIterable +``` + +Types: [GenerateOptions](../core-data-structures/core.md) · [StreamChunk](../core-data-structures/llm-streaming.md) + +Source: [`packages/llm/llm/src/index.ts:39`](../../packages/llm/llm/src/index.ts) + +## `session/*` + +### `session/created` — emit + +A session was created in the store. + +```ts cordis-catalog +'session/created'(session: Session): void +``` + +Source: [`packages/core/session/src/index.ts:39`](../../packages/core/session/src/index.ts) + +### `session/event` — emit + +An event was appended to a session log (sync, fire-and-forget). This is the per-append feed a UI or invariant plugin tails. + +```ts cordis-catalog +'session/event'(session: Session, event: SessionEvent): void +``` + +Types: [SessionEvent](../core-data-structures/core.md) + +Source: [`packages/core/session/src/index.ts:47`](../../packages/core/session/src/index.ts) + +### `session/flush` — parallel + +Awaited durability checkpoint. The agent loop awaits `ctx.parallel('session/flush', session)` at every turn end; persistence plugins (JSONL, SQLite) drain their write-behind buffers here and on fiber dispose. Awaited (parallel), not a waterfall: every listener runs and the loop waits for all of them, but none can veto. + +```ts cordis-catalog +'session/flush'(session: Session): Promise | void +``` + +Source: [`packages/core/session/src/index.ts:57`](../../packages/core/session/src/index.ts) + +## `skill/*` + +### `skill/provider-added` — emit + +A skill provider became resolvable in the `ctx.skills` registry. Consumers can observe this instead of depending on Cordis plugin load order, which is concurrent for sibling plugins. + +```ts cordis-catalog +'skill/provider-added'(provider: SkillProvider): void +``` + +Source: [`packages/skill/skill/src/index.ts:130`](../../packages/skill/skill/src/index.ts) + +### `skill/provider-removed` — emit + +A skill provider left the registry because its plugin fiber was disposed. + +```ts cordis-catalog +'skill/provider-removed'(name: string): void +``` + +Source: [`packages/skill/skill/src/index.ts:136`](../../packages/skill/skill/src/index.ts) + +## `subagent/*` + +### `subagent/end` — emit + +A subagent run settled — emitted when SubagentRun.result resolves (any stop reason). Paired with Events['subagent/start']. + +```ts cordis-catalog +'subagent/end'(info: SubagentRunEndInfo): void +``` + +Source: [`packages/subagent/subagent/src/index.ts:98`](../../packages/subagent/subagent/src/index.ts) + +### `subagent/provider-added` — emit + +A provider became resolvable in the SubagentService registry. Consumers that derive state from a named provider (e.g. the model-facing tool wording in `dsh-tool-subagent`) react HERE instead of assuming load order — the cordis Loader starts sibling plugins concurrently, so "listed earlier in cordis.yml" does not mean "registered earlier". + +```ts cordis-catalog +'subagent/provider-added'(provider: SubagentProvider): void +``` + +Source: [`packages/subagent/subagent/src/index.ts:72`](../../packages/subagent/subagent/src/index.ts) + +### `subagent/provider-removed` — emit + +A provider left the registry (its plugin's fiber was disposed — an unload or an HMR reload). Consumers holding provider-derived state drop it here; a reload re-fires `subagent/provider-added` with the fresh provider. Delivered with per-listener containment: a throwing subscriber is logged, never starves later subscribers, and never disrupts the provider's teardown. + +```ts cordis-catalog +'subagent/provider-removed'(name: string): void +``` + +Source: [`packages/subagent/subagent/src/index.ts:83`](../../packages/subagent/subagent/src/index.ts) + +### `subagent/start` — emit + +A subagent run started — emitted after the provider is resolved and its capabilities validated, as the child run begins. Paired with Events['subagent/end']. + +```ts cordis-catalog +'subagent/start'(info: SubagentRunInfo): void +``` + +Source: [`packages/subagent/subagent/src/index.ts:91`](../../packages/subagent/subagent/src/index.ts) + +## `system-prompt/*` + +### `system-prompt/assemble` — waterfall + +Waterfall around prompt assembly — mutate or extend the PromptAssembly (sections + tools + variables) before it is rendered. Bound to the SystemPrompt service; call `next()` to delegate. + +```ts cordis-catalog +'system-prompt/assemble'(this: SystemPrompt, assembly: PromptAssembly, context: AssembleContext, next: () => Promise): Promise +``` + +Source: [`packages/core/system-prompt/src/index.ts:38`](../../packages/core/system-prompt/src/index.ts) + +### `system-prompt/change` — emit + +A section, tool provider, or variable provider was registered or unregistered (the assembly inputs changed). + +```ts cordis-catalog +'system-prompt/change'(): void +``` + +Source: [`packages/core/system-prompt/src/index.ts:44`](../../packages/core/system-prompt/src/index.ts) + +## `tools/*` + +### `tools/change` — emit + +A tool was registered or unregistered (the available tool set changed). + +```ts cordis-catalog +'tools/change'(): void +``` + +Source: [`packages/core/tools/src/index.ts:135`](../../packages/core/tools/src/index.ts) + +### `tools/execute` — waterfall + +Around-dispatch waterfall wrapping the registry's core tool dispatch, between the `tools/pre-execute` gate and the `tools/post-execute` seam. A listener receives `(exec, next)`: call `next()` to delegate to dispatch (returning its ToolExecutionResult, optionally wrapped), or return a replacement result without calling `next()` to short-circuit dispatch. The base `next()` IS the dispatch-with-normalization thunk — a thrown tool (or unknown tool) is already normalized to an `isError` result by the time a listener's `await next()` returns, so a wrapper never sees a raw throw from the tool body. This is the seam a timeout/retry/metrics plugin wraps: it can mutate `exec` (e.g. replace `exec.signal` with a per-call deadline) BEFORE `next()` and inspect the result AFTER. (Cordis `next()` ignores any passed arguments and re-invokes downstream with the shared payload, so a wrapper mutates `exec` in place rather than passing a new object to `next()`.) Multiple listeners compose by registration order — an outer one wraps the inner ones plus dispatch. + +```ts cordis-catalog +'tools/execute'(this: ToolRegistry, exec: ToolExecution, next: () => Promise): Promise +``` + +Types: [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) + +Source: [`packages/core/tools/src/index.ts:114`](../../packages/core/tools/src/index.ts) + +### `tools/post-execute` — waterfall + +Waterfall AFTER a tool runs — where hook plugins inspect the result and accept it (optionally REPLACING the model-facing content, and/or attaching `additionalContext` for the next request) or block it with corrective `feedback` (Claude Code's `PostToolUse`). Listeners receive `(exec, result, next)`: call `next()` to delegate to the default (accept unchanged), or return a PostToolDecision to override. Core tool dispatch runs earlier as the base `next()` of the `tools/execute` waterfall, all inside `execute`'s outer try/catch (and the tool body keeps its own inner try/catch, so a thrown tool still reaches `post-execute` as an `isError` result). + +```ts cordis-catalog +'tools/post-execute'(this: ToolRegistry, exec: ToolExecution, result: ToolExecutionResult, next: () => Promise): Promise +``` + +Types: [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) + +Source: [`packages/core/tools/src/index.ts:130`](../../packages/core/tools/src/index.ts) + +### `tools/pre-execute` — waterfall + +Waterfall BEFORE a tool runs — the gate where sandbox, permission, and hook plugins allow or deny a call (Claude Code's `PreToolUse`). Listeners receive `(exec, next)`: call `next()` to delegate to the default (allow), or return a PreToolDecision without calling `next()` to short-circuit. A `deny` skips dispatch and yields an `isError` result; the tool body never runs. Input rewrite is deliberately NOT offered here (see PreToolDecision); `ask` is serviced by the `ctx.approval` seam when one is mounted, and degrades to deny otherwise. + +```ts cordis-catalog +'tools/pre-execute'(this: ToolRegistry, exec: ToolExecution, next: () => Promise): Promise +``` + +Types: [ToolExecution](../core-data-structures/tools.md) + +Source: [`packages/core/tools/src/index.ts:94`](../../packages/core/tools/src/index.ts) + +## `workflow/*` + +### `workflow/agent-end` — emit + +One `agent()` call settled (clean result, child failure, or run cancellation). Paired with Events['workflow/agent-start'] by `agent.seq`, exactly once per started call on every stop path — on an engine termination path (a worker killed past its grace) the end is engine-synthesized with outcome `'cancelled'`. + +```ts cordis-catalog +'workflow/agent-end'(info: WorkflowRunInfo, agent: WorkflowAgentEndInfo): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:96`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/agent-start` — emit + +One `agent()` call started a child run. Paired with Events['workflow/agent-end'] by `agent.seq`. + +```ts cordis-catalog +'workflow/agent-start'(info: WorkflowRunInfo, agent: WorkflowAgentInfo): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:85`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/end` — emit + +A workflow run settled (any stop reason). Fired when WorkflowRun.result resolves. Paired with Events['workflow/start']. + +```ts cordis-catalog +'workflow/end'(info: WorkflowRunInfo, result: WorkflowResultInfo): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:106`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/log` — emit + +The script emitted a narration line (a `log(message)` call). + +```ts cordis-catalog +'workflow/log'(info: WorkflowRunInfo, message: string): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:77`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/phase` — emit + +The script entered a phase (a `phase(title)` call) — progress grouping for observers; no execution semantics. + +```ts cordis-catalog +'workflow/phase'(info: WorkflowRunInfo, title: string): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:70`](../../packages/workflow/workflow/src/index.ts) + +### `workflow/start` — emit + +A workflow run started — the script's meta block validated, the body about to execute. Paired with Events['workflow/end']. + +```ts cordis-catalog +'workflow/start'(info: WorkflowRunInfo): void +``` + +Source: [`packages/workflow/workflow/src/index.ts:62`](../../packages/workflow/workflow/src/index.ts) + +## Inherited events (cordis core + loader/hmr/timer) + +The framework events every plugin also sees, beyond the harness vocabulary above. This is pinned vendor source ([vendoring policy](../../vendor/README.md)); it is summarized here so the page is a complete picture of the event bus, without elevating framework internals to the harness tier's prominence. + +- `internal/plugin` — A plugin fiber was created. ([`vendor/cordis/src/events.ts:197`](../../vendor/cordis/src/events.ts)) +- `internal/status` — A fiber changed lifecycle state. ([`vendor/cordis/src/events.ts:198`](../../vendor/cordis/src/events.ts)) +- `internal/service` — Interception hook for a service binding (no core producer). ([`vendor/cordis/src/events.ts:199`](../../vendor/cordis/src/events.ts)) +- `internal/update` — Waterfall: a fiber config update is being applied. ([`vendor/cordis/src/events.ts:200`](../../vendor/cordis/src/events.ts)) +- `internal/get` — Waterfall: a service is being read from the store. ([`vendor/cordis/src/events.ts:201`](../../vendor/cordis/src/events.ts)) +- `internal/set` — Waterfall: a service is being written to the store. ([`vendor/cordis/src/events.ts:202`](../../vendor/cordis/src/events.ts)) +- `internal/listener` — A listener was registered. ([`vendor/cordis/src/events.ts:203`](../../vendor/cordis/src/events.ts)) +- `internal/dispatch` — An event is being dispatched to listeners. ([`vendor/cordis/src/events.ts:204`](../../vendor/cordis/src/events.ts)) +- `hmr/change` — A watched source file changed on disk. ([`vendor/hmr/src/index.ts:20`](../../vendor/hmr/src/index.ts)) +- `hmr/reload` — Plugins are being reloaded after a change. ([`vendor/hmr/src/index.ts:21`](../../vendor/hmr/src/index.ts)) +- `exit` — The process is exiting on a signal. ([`vendor/loader/src/index.ts:23`](../../vendor/loader/src/index.ts)) +- `loader/config-update` — The loader config tree changed. ([`vendor/loader/src/index.ts:24`](../../vendor/loader/src/index.ts)) +- `loader/entry-init` — A config entry is being initialized. ([`vendor/loader/src/index.ts:25`](../../vendor/loader/src/index.ts)) +- `loader/partial-dispose` — An entry is being partially disposed on reload. ([`vendor/loader/src/index.ts:26`](../../vendor/loader/src/index.ts)) +- `loader/patch-context` — A context is being patched during a reload. ([`vendor/loader/src/index.ts:27`](../../vendor/loader/src/index.ts)) diff --git a/docs/cordis-catalog/services.md b/docs/cordis-catalog/services.md new file mode 100644 index 0000000000..bd01d39792 --- /dev/null +++ b/docs/cordis-catalog/services.md @@ -0,0 +1,339 @@ + + +# Cordis Services Catalog + +Every `ctx.` service a plugin can call: the exact public interface plus the class JSDoc. This is one axis of the **wiring** reference a plugin author works against — the events a plugin listens to are the sibling [events catalog](events.md), and [core-data-structures/](../core-data-structures/core.md) catalogs the *data structures* these signatures move around. An abstract seam (e.g. `ctx.bash`) is implemented by a separate package; the interface is what consumers code against. + +This file is GENERATED from source (`scripts/gen-cordis-catalog.ts`) and verified fresh by `pnpm run verify-cordis-catalog` (part of `doc-sync`) — do not edit it by hand. Signature blocks use a `ts cordis-catalog` fence (skipped by doc-typecheck, since a bare signature is not standalone-compilable). Type names in a signature link to the page that documents them. + +The **harness tier** below (the `@deepseek-ai/dsh-*` packages) is the vocabulary this repo owns. The **inherited tier** at the end is the cordis-core + loader/hmr/timer `ctx` surface a plugin also sees — pinned vendor source, summarized tersely. + +## `ctx.agentLoop` — `AgentLoop` + +The agent-loop plugin (`ctx.agentLoop`): creates ReactLoopAgents, runs their loops, and registers them in `ctx.agents`. Also implements the AgentFactory seam, so plugins create/resume agents through `ctx.agents` (the interface) without depending on this concrete package. + +The loop itself is deliberately thin — every behavior beyond "call the model, run the tools, repeat" belongs to plugins listening on the event taxonomy declared in @deepseek-ai/dsh-agent. + +```ts cordis-catalog +create(id: AgentId, options: AgentOptions = {}, meta: Pick = {}): ReactLoopAgent +createAgent(options: CreateAgentOptions): AgentHandle +async resume(options: ResumeAgentOptions): Promise +``` + +Source: [`packages/core/agent-loop/src/index.ts:70`](../../packages/core/agent-loop/src/index.ts) + +## `ctx.agents` — `AgentRegistry` + +Agent registry (`ctx.agents`): tracks live agents so UI, hook, and orchestrator plugins can find them without depending on the concrete loop package. Agent *creation* is provided by whichever plugin implements the AgentFactory (phase 1: `@deepseek-ai/dsh-agent-loop`), registered via setFactory. + +```ts cordis-catalog +setFactory(factory: AgentFactory): () => void +create(options: CreateAgentOptions): AgentHandle +async resume(options: ResumeAgentOptions): Promise +register(agent: Agent): () => void +get(id: AgentId): Agent | undefined +list(): Agent[] +``` + +Types: [Agent](../core-data-structures/core.md) + +Source: [`packages/core/agent/src/index.ts:117`](../../packages/core/agent/src/index.ts) + +## `ctx.approval` — `ApprovalService` + +The `ctx.approval` service: dispatches ApprovalRequests to the `approval/request` waterfall and audits every ask/outcome pair to the requesting agent's session log. Stateless between requests — grants are returned to the caller, never stored here. + +Owns the policy tier too (`effective = fold(the session's 'approval/policy' events) ?? config.policy`): `request()` resolves `'never'` to `'rejected'` before dispatching any interactive answerer, a per-agent prompt section states a `'never'` policy (and only that one in prose — an `'ask'` promise could overclaim an answerer that headless compositions do not have), and an `agent/pre-step` narrator injects at most one coalesced notice when a session's effective policy moved past what the model was last told. + +```ts cordis-catalog +async request(req: ApprovalRequest): Promise +``` + +Types: [ApprovalOutcome](../core-data-structures/approval.md) · [ApprovalRequest](../core-data-structures/approval.md) + +Source: [`packages/ui/user-approval/src/index.ts:282`](../../packages/ui/user-approval/src/index.ts) + +## `ctx.bash` — `BashExecutor` (abstract seam) + +Abstract bash execution service. Subclass, implement the abstract methods, and load the subclass as a plugin — it registers as `ctx.bash` (one implementation per context; loading a second throws, which is cordis' standard duplicate-service behavior). + +Semantics every implementation must honor: + +- run REJECTS only for infrastructure failures (unusable workdir, missing shell, pre-aborted signal). Nonzero exits, timeout kills, and abort kills RESOLVE with a descriptive BashRunResult — reporting a failed command is the tool layer's job, not an exception. +- start returns immediately; no timeout applies to background tasks (callers stop them via kill or the spec's AbortSignal). Completion must fire the onTaskDone listeners exactly once per task, and must NOT fire after the service is disposed. +- readOutput is incremental: consecutive reads never re-deliver output. Implementations bound their buffers; reads that lost data flag `lossy` and point at full-stream spill files when available. +- Disposal kills every running task and awaits their exit (no orphan processes survive `fiber.dispose()`). + +```ts cordis-catalog +abstract resolve(request: BashExecRequest): BashExecSpec +abstract run(spec: BashExecSpec): Promise +abstract start(spec: BashExecSpec): BashTask +abstract get(id: BashTaskId): BashTask | undefined +abstract ownerOf(id: BashTaskId): OwnerToken | undefined +abstract list(): BashTask[] +abstract readOutput(id: BashTaskId): BashTaskRead +abstract kill(id: BashTaskId): boolean +onTaskDone(listener: BashTaskListener): () => void +``` + +Types: [BashExecRequest](../core-data-structures/bash.md) · [BashExecSpec](../core-data-structures/bash.md) · [BashRunResult](../core-data-structures/bash.md) · [BashTask](../core-data-structures/bash.md) · [BashTaskRead](../core-data-structures/bash.md) + +Source: [`packages/bash/bash/src/index.ts:62`](../../packages/bash/bash/src/index.ts) + +## `ctx.codeRuntime` — `CodeRuntime` (abstract seam) + +Abstract code-execution service. Subclass, implement run and the two descriptors, and load the subclass as a plugin — it registers as `ctx.codeRuntime` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). + +Semantics every implementation must honor: + +- run resolves with an error FIELD for every program outcome — parse/transform failures, thrown exceptions, budget expiry, abort, substrate death (CodeRunFailure's taxonomy). It REJECTS only for caller misuse of the seam itself (e.g. a run submitted after disposal). +- Binding calls bridge to the caller's CodeBindingFunctions verbatim; arguments and resolutions must be structured-cloneable, and the runtime treats the program as a hostile peer (arbitrary binding names are own properties, malformed traffic is rejected or ignored, never crashes the host). +- Runs are isolated from each other: no state survives from one run to the next through the runtime. +- Disposal reaches quiescence: in-flight runs are terminated AND awaited before the service's own teardown completes (no orphan substrate survives `fiber.dispose()`). + +```ts cordis-catalog +abstract run(request: CodeRunRequest): Promise +``` + +Types: [CodeRunRequest](../core-data-structures/code-runtime.md) · [CodeRunResult](../core-data-structures/code-runtime.md) + +Source: [`packages/code-runtime/code-runtime/src/index.ts:59`](../../packages/code-runtime/code-runtime/src/index.ts) + +## `ctx.compact` — `CompactService` (abstract seam) + +Abstract compaction service. Subclass implement the two abstract methods, and load the subclass as a plugin — it registers as `ctx.compact` (one implementation per context; loading a second throws, which is cordis' standard duplicate-service behavior). + +Both core methods are abstract: the contract states WHAT compaction does, while the entire strategy — token estimation, retention policy, event sequencing, summarization — is a HOW decision owned by the implementation. + +Implementations MUST honor: + +- **Surface contract**: a successful compaction shadows the compacted surface nodes with a SINGLE replacement node carrying the summary. Because `SurfaceEventType` is a closed union, that node is a `user/message` with `surfaceOp: { op:'replace', start, end }`; the `compact/*` events are log-only (lock + provenance). +- **Blocking**: no compaction begins while another is in progress for the same session. The recommended mechanism is the log-recorded lock — append `compact/start` before the slow work and `compact/end` after (even on failure) — so the lock is visible to replay and crash recovery. + +```ts cordis-catalog +abstract compactIfNeeded( agent: CompactAgentContext, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal, ): Promise +abstract compactRegion( session: Session, start: number, end: number, agent: CompactAgentContext, signal?: AbortSignal, ): Promise +``` + +Types: [Message](../core-data-structures/core.md) + +Source: [`packages/compact/compact/src/index.ts:65`](../../packages/compact/compact/src/index.ts) + +## `ctx.fs` — `FileSystem` (abstract seam) + +Abstract filesystem provider service. Subclass, implement the seven storage primitives, and load the subclass as a plugin — it registers as `ctx.fs` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). + +Semantics every backend must honor: + +- resolve returns a stable FsTarget; the same underlying file reached by different input paths must yield the same `targetKey` so stale guards and target lookup agree across paths (e.g. through symlinks). +- stat returns FsInfo metadata (never content) or `undefined` when the target is absent. +- readText/streamText read the whole regular text file (the stream for large files); both own regular-file checks, UTF-8 decoding, binary/NUL rejection, and `FS_NOT_TEXT`. +- listDir returns direct children of a directory in stable name order with resolved child targets and cheap metadata only. It never reads file contents. Missing targets throw `FS_NOT_FOUND`, non-directories throw `FS_NOT_DIRECTORY`, permission failures throw `FS_PERMISSION_DENIED`, and other backend I/O failures throw `FS_IO_ERROR`. +- writeText is atomic temp-file + rename. `expected` is OPTIONAL: omit it for an unconditional create-or-overwrite (the bare-provider default), or supply a FsWriteIntent to guard the write. +- editText verifies `expected.version` BEFORE literal matching (so a stale edit reports `FS_STALE_VERSION`, not `FS_EDIT_NOT_FOUND`/ `FS_AMBIGUOUS_EDIT` against newer content), then applies literal replacement and writes atomically — all inside one mutation critical section. `expected` is OPTIONAL: omit it for an unconditional edit of the current content (a missing target still reports `FS_STALE_VERSION`). + +```ts cordis-catalog +abstract resolve(path: string, opts?: { cwd?: string }): Promise +abstract stat(target: FsTarget, signal?: AbortSignal): Promise +abstract readText(target: FsTarget, signal?: AbortSignal): Promise +abstract streamText(target: FsTarget, signal?: AbortSignal): Promise> +abstract listDir(target: FsTarget, signal?: AbortSignal): Promise +abstract writeText(target: FsTarget, content: string, expected?: FsWriteIntent, signal?: AbortSignal): Promise +abstract editText(target: FsTarget, edit: FsEditRequest, expected?: { version: FsVersion }, signal?: AbortSignal): Promise +``` + +Types: [FsEditOutcome](../core-data-structures/filesystem.md) · [FsEditRequest](../core-data-structures/filesystem.md) · [FsInfo](../core-data-structures/filesystem.md) · [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md) · [FsWriteIntent](../core-data-structures/filesystem.md) · [FsWriteOutcome](../core-data-structures/filesystem.md) + +Source: [`packages/fs/fs/src/index.ts:172`](../../packages/fs/fs/src/index.ts) + +## `ctx.llm` — `LlmService` + +The abstract `llm` service: an adapter registry plus a streaming model-call surface, interceptable via the `llm/stream` waterfall. + +```ts cordis-catalog +registerAdapter(models: string[], adapter: LlmAdapter): () => void +models(): string[] +stream(options: GenerateOptions): AsyncIterable +``` + +Types: [GenerateOptions](../core-data-structures/core.md) · [StreamChunk](../core-data-structures/llm-streaming.md) + +Source: [`packages/llm/llm/src/index.ts:88`](../../packages/llm/llm/src/index.ts) + +## `ctx.sandbox` — `SandboxProvider` (abstract seam) + +Abstract process-sandbox service. Subclass, implement confine, and load the subclass as a plugin — it registers as `ctx.sandbox` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). + +Semantics every implementation must honor: + +- confine either returns an argv whose runner ENFORCES the policy or fails closed — at `confine` time with SandboxUnavailableError (no backend for this host), or at EXECUTION time by the runner itself refusing to run the command (exiting without exec'ing it, identified by ConfinedArgv.runnerFailureSignatures). A silent unconfined passthrough is never a legal outcome on either path. +- Probing exists to ARBITRATE between multiple candidate backends and may be skipped when a platform has exactly one: the sole candidate is selected directly and the runner's exec-time fail-closed refusal carries the safety property. When probing does run, it is functional (actually enforcing a profile, not a version check), at most once per provider lifetime; `confine` itself spawns nothing beyond that one-time probing. +- The returned ConfinedArgv.enforcement states the backend's actual completeness for THIS host; `partial` is reported, never silently upgraded to `full`. + +```ts cordis-catalog +abstract confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv +``` + +Types: [ConfinedArgv](../core-data-structures/sandbox.md) · [SandboxPolicy](../core-data-structures/sandbox.md) + +Source: [`packages/sandbox/sandbox/src/index.ts:180`](../../packages/sandbox/sandbox/src/index.ts) + +## `ctx.sessionPersistence` — `SessionPersistence` (abstract seam) + +Abstract durable session-persistence service. Subclass, implement the abstract methods, and load the subclass as a plugin — it registers as `ctx.sessionPersistence` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). + +Contracts every implementation MUST honor (a DB backend asserts them inside a transaction; a file backend appends at EOF): + +- **Append-only; a crashed turn is closed, not truncated.** Committed events — those at or below a flushed `turn/end` — are never rewritten. A crash can leave an unclosed final turn whose events are real (and possibly large); load preserves them and closes the orphaned turn with synthetic boundary events (see load). Only a never-fully-written torn tail fragment is discarded. +- **Contiguous seq.** A persisted log is contiguous: `events[i].seq === i`. load rejects a parse error or a `seq` gap in the COMMITTED region (unloadable); append's first event `seq` MUST equal the backend's stored next-seq (after `load` has balanced any interrupted turn). +- **JSON-serializable data.** `SessionEventMap` is merge-extensible and `event.data` is typed only as `SessionEventMap[K]`, so append REJECTS non-JSON-serializable data with an error naming the offending event type. A backend snapshots (serializes/clones) each event when it buffers, since `session.events` hands out the live mutable object. +- **Durability.** append returns only once the batch is durable (the file backend fsyncs; a DB commits). create MAY defer the physical write until the first append (lazy materialization). + +```ts cordis-catalog +abstract create(meta: SessionHeader): Promise +abstract append(id: SessionId, events: readonly SessionEvent[]): Promise +abstract load(id: SessionId): Promise<{ meta: SessionHeader; events: SessionEvent[] }> +abstract list(): Promise +``` + +Types: [SessionEvent](../core-data-structures/core.md) + +Source: [`packages/session-persistence/session-persistence/src/index.ts:102`](../../packages/session-persistence/session-persistence/src/index.ts) + +## `ctx.sessions` — `SessionStore` + +In-memory session store (`ctx.sessions`). + +Persistence is intentionally not implemented here — persistence plugins subscribe to `session/event` and flush on `session/flush` / dispose. + +```ts cordis-catalog +create(id?: SessionId, options?: CreateSessionOptions): Session +prepare(id?: SessionId, options?: CreateSessionOptions): Session +enter(session: Session): () => void +announce(session: Session): void +get(id: SessionId): Session | undefined +list(): Session[] +fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId): Session +``` + +Source: [`packages/core/session/src/index.ts:405`](../../packages/core/session/src/index.ts) + +## `ctx.skills` — `SkillService` + +Registry of skill providers. It merges provider catalogs with stable first-wins duplicate handling, exposes sorted model-visible summaries, and loads full skill bodies on demand. + +```ts cordis-catalog +registerProvider(provider: SkillProvider): () => void +register(skill: SkillRegistration): () => void +async list(options: SkillLookupOptions = {}): Promise +async get(name: string, options: SkillLookupOptions = {}): Promise +``` + +Source: [`packages/skill/skill/src/index.ts:157`](../../packages/skill/skill/src/index.ts) + +## `ctx.subagents` — `SubagentService` + +The `subagents` service: a registry of named SubagentProviders and a capability-checked start surface. + +```ts cordis-catalog +registerProvider(provider: SubagentProvider): () => void +getProvider(name: string): SubagentProvider | undefined +list(): string[] +start(name: string, request: SubagentStartRequest): SubagentRun +``` + +Source: [`packages/subagent/subagent/src/index.ts:144`](../../packages/subagent/subagent/src/index.ts) + +## `ctx.systemPrompt` — `SystemPrompt` + +Registry service (`ctx.systemPrompt`): plugins contribute ordered text sections, tool-schema providers, and named prompt variables; the agent loop calls `assemble(context)` once per step. Registers the harness-owned `harness:identity` and `deployment:persona` sections itself (see Config.persona). + +```ts cordis-catalog +section(section: PromptSection): () => void +tools(provider: () => ToolSchema[]): () => void +variable(name: string, provider: (context: AssembleContext) => string | undefined): () => void +async assemble(context: AssembleContext = {}): Promise +``` + +Source: [`packages/core/system-prompt/src/index.ts:291`](../../packages/core/system-prompt/src/index.ts) + +## `ctx.tools` — `ToolRegistry` + +Tool registry (`ctx.tools`): tool plugins register definitions; the agent loop executes calls through the `tools/pre-execute` → `tools/execute` → `tools/post-execute` pipeline. The registry contributes its schemas into the system-prompt assembly — WHICH schemas is governed by its `mode` config (see Config.mode); under a non-native mode it also registers the `run_code` tool and the `tools:sdk` prompt section itself. + +```ts cordis-catalog +register(definition: ToolDefinition): () => void +get(name: string): ToolDefinition | undefined +schemas(): ToolSchema[] +async execute(exec: ToolExecution): Promise +``` + +Types: [ToolDefinition](../core-data-structures/tools.md) · [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md) + +Source: [`packages/core/tools/src/index.ts:349`](../../packages/core/tools/src/index.ts) + +## `ctx.userInteraction` — `UserInteractionService` + +`ctx.userInteraction`: one active UI provider plus an `ask()` surface. + +```ts cordis-catalog +registerProvider(provider: UserInteractionProvider): () => void +async ask(request: AskUserQuestionRequest): Promise +``` + +Source: [`packages/ui/user-interaction/src/index.ts:82`](../../packages/ui/user-interaction/src/index.ts) + +## `ctx.web` — `WebService` + +The web access service. Registered as `ctx.web` (one instance per context). + +Selection semantics (resolved at execution time, never order-dependent): + +- A configured id that is registered and `status().available` → that provider. +- A configured id not registered → `WEB_PROVIDER_CONFIGURED_MISSING`. +- A configured id registered but unavailable → `WEB_PROVIDER_CONFIGURED_UNAVAILABLE`. +- No id configured, exactly one registered usable provider → that provider. +- No id configured, multiple usable providers → `WEB_PROVIDER_AMBIGUOUS`. +- No id configured, no usable provider → `WEB_PROVIDER_UNAVAILABLE`. + +```ts cordis-catalog +registerSearchProvider(provider: WebSearchProvider): () => void +registerFetchProvider(provider: WebFetchProvider): () => void +async search(request: WebSearchRequest, exec?: WebExecContext): Promise +async fetch(request: WebFetchRequest, exec?: WebExecContext): Promise +``` + +Source: [`packages/web/web/src/index.ts:87`](../../packages/web/web/src/index.ts) + +## `ctx.workflows` — `WorkflowService` (abstract seam) + +Abstract workflow execution service. Subclass, implement start, and load the subclass as a plugin — it registers as `ctx.workflows` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior). + +Semantics every implementation must honor: + +- start throws synchronously for a request that cannot begin (an unparseable script, an invalid meta block). Once it returns a WorkflowRun, `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, `result` SETTLES within the implementation's bounded grace even if the script itself never settles (a consumer awaiting `result` must never be wedged past a cancellation). +- The `workflow/*` events fire through emitWorkflowEvent (data snapshots, per-listener containment); `workflow/end` fires exactly once per started run, after `result` is settled or as it settles. +- `dispose()` reaches quiescence within a bounded grace: it cancels, waits for the script to settle AND its started children to finish disposing, and abandons whatever is left rather than hanging its caller (the engine documents what abandonment leaves behind). +- Runs are HOLDER-OWNED: the engine hands control (`cancel`/`dispose`) to the `start()` caller and does not track its live runs — disposing the engine's own fiber mid-run deliberately leaves those runs to their holders' teardown, so an engine reload cannot yank a run out from under the consumer awaiting it. + +```ts cordis-catalog +abstract start(request: WorkflowStartRequest): WorkflowRun +``` + +Source: [`packages/workflow/workflow/src/index.ts:210`](../../packages/workflow/workflow/src/index.ts) + +## Inherited `ctx` members (cordis core + loader/hmr/timer) + +The framework `ctx` surface every plugin also sees, beyond the harness services above. This is pinned vendor source ([vendoring policy](../../vendor/README.md)); it is summarized here so the page is a complete picture of what `ctx` offers, without elevating framework internals to the harness tier's prominence. + +- `ctx.on / ctx.once` — Register an event listener (disposable). ([`vendor/cordis/src/events.ts:29`](../../vendor/cordis/src/events.ts)) +- `ctx.emit / ctx.parallel / ctx.serial / ctx.bail / ctx.waterfall` — Dispatch an event (sync / awaited / first-bail / veto-chain). ([`vendor/cordis/src/events.ts:29`](../../vendor/cordis/src/events.ts)) +- `ctx.plugin / ctx.inject` — Load a plugin / declare required services. ([`vendor/cordis/src/registry.ts:144`](../../vendor/cordis/src/registry.ts)) +- `ctx.effect` — Register a disposable side effect tied to the fiber. ([`vendor/cordis/src/fiber.ts:9`](../../vendor/cordis/src/fiber.ts)) +- `ctx.get / ctx.set / ctx.provide / ctx.accessor / ctx.mixin` — Low-level service-store access and binding. ([`vendor/cordis/src/reflect.ts:7`](../../vendor/cordis/src/reflect.ts)) +- `ctx.extend / ctx.isolate / ctx.intercept` — Derive a child context (scoped services / isolation / interception). ([`vendor/cordis/src/context.ts:35`](../../vendor/cordis/src/context.ts)) +- `ctx.root / ctx.scope / ctx.fiber / ctx.registry / ctx.reflect / ctx.events / ctx.logger` — Ambient handles onto the running context graph. ([`vendor/cordis/src/context.ts:16`](../../vendor/cordis/src/context.ts)) +- `ctx.timer (+ interval / timeout / throttle / debounce / setTimeout / setInterval)` — Disposable timer helpers. The `timer` key is provided at runtime; the six helpers are mixed onto ctx directly (declared via Pick). ([`vendor/timer/src/index.ts:4`](../../vendor/timer/src/index.ts)) +- `ctx.loader` — The config Loader that booted the app (present under the loader). ([`vendor/loader/src/index.ts:30`](../../vendor/loader/src/index.ts)) +- `ctx.hmr` — The hot-module-reload watcher (present under the hmr plugin). ([`vendor/hmr/src/index.ts:15`](../../vendor/hmr/src/index.ts)) diff --git a/docs/cordis-primer.md b/docs/cordis-primer.md new file mode 100644 index 0000000000..b59363eea7 --- /dev/null +++ b/docs/cordis-primer.md @@ -0,0 +1,38 @@ +# Cordis Primer + +Cordis is the vendored plugin framework underneath the DeepSeek Harness SDK. This primer teaches the Cordis ideas a harness plugin author needs before reading the generated [events](cordis-catalog/events.md) and [services](cordis-catalog/services.md) catalogs. The vendored source and sync procedure live in [vendor/README.md](../vendor/README.md). + +## Cordis In Five Ideas + +- **A plugin is a object that implements Service.** It can be a function with optional `inject` and `apply(ctx)` fields, or a `Service` subclass whose lifecycle Cordis mounts into the current context. +- **A context is a repository of services.** A service claims a stable `ctx.` such as `ctx.tools`, `ctx.llm`, or `ctx.sessions` from a context; other plugins find services via key instead of importing a concrete implementation. +- **Declare service dependency via `inject`.** A plugin that names required services waits until those services exist, so load order is expressed through service requirements rather than manual boot sequencing. +- **Typed Events for communication.** Services declare event names through TypeScript declaration merging, then dispatch them as `emit`, `waterfall`, `parallel`, or `serial` depending on whether listeners observe, wrap, fan out, or run in order. +- **Registrations are reversible effects.** Prompt sections, tool schemas, adapters, providers, and listeners are installed through `ctx.effect()` or `ctx.on()` so reload and teardown unwind them predictably. + +## Dispatch Modes + +Every event can have one of the following dispatch mode and can only be dispatched by these methods accordingly. + +| Mode | Awaited? | Dispatch Order | Has Return Value? | +|---|---|---|---| +| `emit` | No | listeners observe in registration order | No | +| `waterfall` | No | listeners observe in registration order | Yes | +| `parallel` | Yes | all listeners observe the event in parallel | No | +| `serial` | Yes | listeners observe in registration order | Yes | + +The mode is part of the event's public contract. New harness events document it with an `@mode` tag so the generated catalog can check declarations against dispatch sites. + +## Cordis Waterfall Semantics + +`ctx.waterfall` is around-middleware. A listener receives `(...args, next)`. Call `next()` to delegate the possibly wrapped result to the next service; return without `next()` to short-circuit. Values propagate through `next()`'s return value. + +Cooperative listeners usually mutate a shared request or decision object and then delegate. A listener can also choose to repalce the result entirely and downstream listeners will only see the result after replacement. Use `prepend: true` only when the listener must run before ordinary registrations. + +For single-decision events, short-circuiting is the design. A policy listener can return without `next()` when it owns the decision, while a listener that only annotates or observes must delegate. + +## Practical Rules + +Encapsulate behavior into plugins: a tool pipeline event belongs to `ctx.tools`, model streaming belongs to `ctx.llm`, and live agent coordination belongs to `ctx.agents`. Prefer events for interception and policy; prefer service methods for direct capability calls. + +Every registration should have a disposer, either by returning one from `ctx.effect()` or using a Cordis helper that does it for you. If teardown order matters, keep the related work in one effect so disposal unwinds in the intended sequence. diff --git a/docs/core-data-structures/approval.md b/docs/core-data-structures/approval.md new file mode 100644 index 0000000000..997f4e7ab2 --- /dev/null +++ b/docs/core-data-structures/approval.md @@ -0,0 +1,64 @@ +# User Approval + +The user-approval seam of [dsh-user-approval](../../packages/ui/user-approval) answers one question: may this specific action proceed? It owns the shared request/outcome vocabulary, the `ctx.approval` dispatch service, the `approval/request` answerer waterfall, the log-only audit pair, and the per-session `ask`/`never` policy. UI channels such as [dsh-acp](../../packages/ui/acp) provide answerers; callers such as [dsh-tools](../../packages/core/tools) and [dsh-tool-bash](../../packages/bash/tool-bash) consume the closed outcome and fail closed unless it is `allowed-once`. + +Source: [`packages/ui/user-approval/src/index.ts`](../../packages/ui/user-approval/src/index.ts) + +## Identity and outcome + +Every request receives a fresh `ApprovalRequestId`. The brand pairs the `approval/asked` and `approval/decided` audit events without making approval ids interchangeable with tool-call, session, or agent ids. + +```ts type-equiv +type ApprovalRequestId = Branded<'ApprovalRequestId'> +``` + +`ApprovalOutcome` is closed and fail-closed. `allowed-once` grants only the asked-about action; callers deny on `rejected`, `cancelled`, and `unavailable`. A missing, non-owning, throwing, or non-conforming answerer becomes `unavailable` rather than opening the gate. + +```ts type-equiv +type ApprovalOutcome = 'allowed-once' | 'rejected' | 'cancelled' | 'unavailable' +``` + +## Per-session policy + +`ApprovalPolicy` determines what happens before interactive answerers run. `ask` delegates to the composed answerer chain, whose no-answer default is `unavailable`; `never` deterministically returns `rejected` without dispatching any answerer. The effective value is the last `approval/policy` event in the session log, falling back to the service config. `setApprovalPolicy(session, policy)` is the single write path, so replay reconstructs the override. + +```ts type-equiv +type ApprovalPolicy = 'ask' | 'never' +``` + +The prompt section states the deterministic `never` behavior and records either policy with a source-owned marker. The pre-step narrator reads that marker from the logged request header after restart; it does not infer state from deployment persona prose. An idle ACP switch is held in the bridge until the next `turn/start`, because approval audit and policy events must remain turn-enclosed for durable replay. + +## Approval request + +`ApprovalRequest` identifies the agent and tool action closely enough to route and audit the question. It deliberately omits tool arguments: an answerer attaches the prompt to the already-streamed tool call through `callId` instead of rendering a second copy that could drift. + +```ts type-equiv +interface ApprovalRequest { + /** + * The agent on whose behalf the question is asked. Routes the question (a + * UI answerer only answers for agents it owns) and receives the audit + * events on its session log. + */ + agent: Agent + /** The tool the question is about (presentation and audit). */ + toolName: string + /** + * The exact tool call being decided, when the asker has one — lets a UI + * attach the prompt to the tool call it already streamed. + */ + callId?: CallId + /** The asker's human-readable explanation of WHY it is asking. */ + reason?: string + /** + * Aborting withdraws the question: the request settles `'cancelled'` + * immediately and a late answer from a still-pending answerer is discarded. + */ + signal?: AbortSignal +} +``` + +## Dispatch and audit + +`ctx.approval.request(req)` requires the requesting session to be inside an open turn. It appends `approval/asked`, obtains one outcome, appends the matching `approval/decided`, and resolves with that outcome. The `never` policy is enforced inside the service before waterfall dispatch, so even an answerer registered later with `prepend` cannot bypass it. Answerers return an outcome when they own the request or call `next()` to delegate; the first answer occupies the single decision slot. + +The audit events are log-only and do not enter the model transcript. Model-visible behavior is the caller's derived tool result, while the request header records the prompt policy that the model actually saw. Service disposal removes its prompt section and pre-step narrator together; answerer listeners are independently effect-bound to their owning plugins. diff --git a/docs/core-data-structures/bash.md b/docs/core-data-structures/bash.md index 273ba5ebe8..51f7cb0696 100644 --- a/docs/core-data-structures/bash.md +++ b/docs/core-data-structures/bash.md @@ -44,6 +44,20 @@ interface BashExecRequest { * ownerless background start (a non-agent caller). */ owner?: OwnerToken | undefined + /** + * Explicit per-call sandbox-policy input, overriding the executor's + * configured default mode for THIS call. Never a silent default: a + * consumer sets it only from an explicit policy source — an + * `'allowed-once'` grant a human just issued through `ctx.approval` (the + * escalation flow in the sandbox RFC § Escalation, which outranks), or the + * session's standing override folded from its own `bash/sandbox-mode` + * events (the sandbox RFC § Per-session mode switching — the user's recorded per-session + * choice). A sandboxing executor confines THIS call under the given mode; + * a non-sandboxing executor carries the field and confines nothing (the + * tool layer stamps neither escalation nor overrides without a sandboxing + * executor — see {@link BashExecutor.sandboxMode}). + */ + sandboxMode?: SandboxMode | undefined } ``` @@ -79,6 +93,16 @@ interface BashExecSpec { * task. `start()` stores it; `run()` (foreground) ignores it. */ owner: OwnerToken | undefined + /** + * The sandbox mode this call executes under, REQUIRED-but-nullable for the + * same visibility reason as `owner`. A sandboxing executor's `resolve()` + * stamps the effective mode (the request's explicit override, else its + * configured default) so `run()`/`start()` read the spec, never the config; + * a non-sandboxing executor carries the request value through verbatim and + * ignores it (`undefined` under such an executor means what its README says: + * unconfined execution). + */ + sandboxMode: SandboxMode | undefined } ``` @@ -106,6 +130,12 @@ interface BashRunResult { timeoutMs: number stdout: CollectedOutput stderr: CollectedOutput + /** + * Sandbox facts, present iff a sandboxing executor ran the command — an + * unsandboxed executor (e.g. `dsh-bash-local`) never sets it. See + * {@link BashSandboxInfo} for the `denied` classification semantics. + */ + sandbox?: BashSandboxInfo } ``` @@ -122,9 +152,52 @@ interface CollectedOutput { } ``` +## File sandbox: `BashSandboxInfo` + +A sandbox-consuming executor (`dsh-bash-sandbox`) exposes its configured fallback through `BashExecutor.sandboxMode`. The tool layer folds each agent session's durable `bash/sandbox-mode` override, stamps the effective mode onto the request, states it in the per-agent prompt, and may replace it for one user-approved strictly wider call. The mode/enforcement vocabulary is owned and cataloged by the [`@deepseek-ai/dsh-sandbox` seam](sandbox.md), whose provider wraps the executor's argv; modes govern FILE effects only, not network or process visibility. + +A sandboxed run always reports the facts it executed under on `BashRunResult.sandbox`: `denied` is the executor's conservative classification of a failure as sandbox-caused (a failed exit whose stderr carries a filesystem-permission signature — never a clean exit or a signal kill), read from the collected stderr tail; `enforcement` reports how completely the selected backend governs the mode's file effects (`SandboxEnforcement = 'full' | 'partial'` — `partial` when an older Landlock ABI governs only a subset of the requested accesses; absent under `danger-full-access`, where nothing is confined); `runnerFailed` marks the opposite of a denial — the sandbox RUNNER itself failed and the command never ran (stamped only on settled background tasks; a foreground run surfaces the same condition as the thrown `SANDBOX_UNAVAILABLE` error): + +```ts type-equiv +interface BashSandboxInfo { + /** The mode the command actually ran under. */ + mode: SandboxMode + /** + * True when the executor classifies this run's failure as the sandbox + * denying a file operation. The classification is CONSERVATIVE (a failed + * exit whose stderr carries a filesystem-permission signature) and reads + * the COLLECTED stderr — the bounded in-memory tail per + * {@link CollectedOutput} semantics, so a signature that survives only in a + * spill file is missed toward `denied: false`. A plain command failure + * keeps `denied: false` even under a sandboxed mode. + */ + denied: boolean + /** + * How completely the runner enforced `mode`'s file effects — see + * {@link SandboxEnforcement}. Absent exactly when `mode` is + * `danger-full-access`: nothing is confined, so there is no enforcement to + * report. + */ + enforcement?: SandboxEnforcement + /** + * True when the executor classifies this failure as the SANDBOX RUNNER + * itself failing (missing binary, refused profile, fail-closed refusal + * before exec) — the command NEVER RAN; this is a sandbox failure, not a + * task failure, and it outranks `denied` (a runner's own error text can + * contain denial words). Only ever stamped on settled BACKGROUND tasks: a + * foreground run surfaces the same condition as the thrown + * `SANDBOX_UNAVAILABLE` error instead (the foreground path has an error + * channel; a settled task's facts are its only channel). + */ + runnerFailed?: boolean +} +``` + +One more piece completes the vocabulary: the `SANDBOX_UNAVAILABLE` error code (owned by the [sandbox seam](sandbox.md)) is what the `ctx.sandbox` provider throws — and the executor propagates — when a confined mode has no usable backend. A selected runner refusing its profile reaches the same fail-closed foreground error; a settled background task records `runnerFailed`. The model sees the current effective mode in the prompt, receives denial/runner facts in results, and can request a one-shot strictly wider retry through `sandbox_permissions` plus `justification`; `ctx.approval` must grant that exact call before anything executes. The complete policy and switching design is the [sandbox RFC](../rfc/implemented/feature/2026-07-06-sandbox.md). + ## Background tasks: `BashTask` -A long-running command started with `start()` is tracked as a `BashTask`. `BashTaskStatus` is `'running' | 'completed' | 'killed'`; `done` resolves when the underlying process closes and never rejects. +A long-running command started with `start()` is tracked as a `BashTask`. `BashTaskStatus` is `'running' | 'completed' | 'killed'`; `done` resolves when the underlying process closes and never rejects. A sandboxing executor stamps `sandbox` once the task settles — classification runs against the settled task's collected stderr — so the field is absent while running and under an unsandboxed executor. ```ts type-equiv interface BashTask { @@ -137,6 +210,16 @@ interface BashTask { signal: NodeJS.Signals | null /** Resolves when the underlying process closes (never rejects). */ readonly done: Promise + /** + * Sandbox facts for this task's execution, stamped by a sandboxing executor + * once the task settles and BEFORE completion listeners are notified — an + * `onTaskDone` consumer and a `done` awaiter both see it. Denial + * classification runs against the settled task's collected stderr, so the + * field cannot exist earlier: absent while the task is running and under an + * executor that does not sandbox. See {@link BashSandboxInfo} for the + * `denied` semantics. + */ + sandbox?: BashSandboxInfo } ``` diff --git a/docs/core-data-structures/code-runtime.md b/docs/core-data-structures/code-runtime.md new file mode 100644 index 0000000000..cb1661e02f --- /dev/null +++ b/docs/core-data-structures/code-runtime.md @@ -0,0 +1,94 @@ +# Code Runtime + +The code-execution seam — a [capability seam](../rfc/implemented/architecture/2026-06-13-capability-seams.md) whose interface ([dsh-code-runtime](../../packages/code-runtime/code-runtime), `ctx.codeRuntime`) runs one model-written program against host-provided async bindings and reports what it printed and returned. Code execution is **one optional capability**, not part of the agent-loop spine — so its vocabulary lives here, not in [core.md](core.md). Backends differ by execution substrate and source language, both readonly descriptors on the service; the worker-thread backend and the tool-registry consumer (Code Mode) are specified in the [Code Mode RFC](../rfc/implemented/feature/2026-06-15-code-mode.md). + +Source: [`packages/code-runtime/code-runtime/src/types.ts`](../../packages/code-runtime/code-runtime/src/types.ts) + +## The run: request in, result out + +A `CodeRunRequest` carries **everything the runtime acts on** — per the "explicit > implicit at package seams" rule, defaulting (time budgets, output caps) is the implementation's validated config, never a hidden `??` inside `run()`: + +```ts type-equiv +interface CodeRunRequest { + /** + * The program source, in the runtime's {@link ../index.ts | language}. It + * runs as the body of an async function: top-level `await` and `return` + * are available, and the completion value becomes + * {@link CodeRunResult.value}. + */ + program: string + /** Host functions exposed to the program, one global object per namespace. */ + bindings: CodeBindingNamespace[] + /** + * Abort the run: the runtime stops the program (hard, even mid-loop) and + * resolves with a {@link CodeRunFailure} of kind `'abort'`. In-flight + * binding calls are the CALLER's to settle — the runtime only stops asking. + */ + signal?: AbortSignal +} +``` + +The result reports an error as a **field**, never a rejection of `run()` — reporting a failed program is the caller's job, not an exception path (mirroring `BashExecutor.run`'s resolve-on-failure contract): + +```ts type-equiv +interface CodeRunResult { + /** + * The program's completion value (its top-level `return`), when it ran to + * completion and the value survived the runtime's serialization boundary; + * a non-transferable value is replaced by a string rendering, and a failed + * or value-less run leaves this absent. + */ + value?: unknown + /** Everything the program emitted, in order (capped by the implementation). */ + logs: CodeLogEntry[] + /** Present iff the run failed; see {@link CodeRunFailure} for the taxonomy. */ + error?: CodeRunFailure +} +``` + +## Bindings: host functions as program globals + +Each `CodeBindingNamespace` becomes one global object of async callables inside the program (the Code Mode consumer passes one: `tools`). Arguments and resolutions must be structured-cloneable — a runtime may bridge calls across a serialization boundary — and a runtime treats binding names as hostile input (`__proto__` is an ordinary own property, never a prototype collision): + +```ts type-equiv +interface CodeBindingNamespace { + /** The global identifier the program sees (must be a valid JS identifier). */ + global: string + /** The callable members, keyed by the exact name the program calls. */ + functions: Record +} +``` + +```ts type-equiv +type CodeBindingFunction = (args: unknown) => Promise +``` + +## Captured output and the failure taxonomy + +Logs arrive in emission order, attributed to their channel (the runtime's `console` shim, or stray writes to the underlying streams): + +```ts type-equiv +interface CodeLogEntry { + /** Which channel produced the text. */ + source: 'console' | 'stdout' | 'stderr' + /** The console method used; present only when `source` is `'console'`. */ + level?: 'log' | 'info' | 'warn' | 'error' | 'debug' + /** The captured text (possibly truncated by the implementation's caps, marked in-band). */ + text: string +} +``` + +Failure kinds are **orthogonal outcomes reported independently** (per [defensive-patterns](../defensive-patterns.md)): a budget expiry is not an exception, an abort is not a timeout, and a substrate death (e.g. OOM) is neither: + +```ts type-equiv +interface CodeRunFailure { + /** The failure class (see the interface doc for each kind's meaning). */ + kind: 'exception' | 'timeout' | 'abort' | 'worker-exit' + /** Human-readable detail, suitable for feeding back to a model to self-correct. */ + message: string +} +``` + +## The service + +`CodeRuntime` (`ctx.codeRuntime`, abstract — defined in [`packages/code-runtime/code-runtime/src/index.ts`](../../packages/code-runtime/code-runtime/src/index.ts)) is `run(request)` plus two readonly descriptors: `language` (what the program must be written in — `'typescript'` is the well-known value; a consumer generating language-specific presentation switches on it and fails loud on one it cannot present) and `isolation` (the execution substrate — `'worker-thread'`, `'process'`, `'container'`; a diagnostic label, **not a security claim**). Implementations must keep runs isolated from each other (no cross-run state) and dispose to quiescence: in-flight runs are terminated and awaited before teardown completes. diff --git a/docs/core-data-structures/compaction.md b/docs/core-data-structures/compaction.md index 05d1ce6c2e..2f402be57d 100644 --- a/docs/core-data-structures/compaction.md +++ b/docs/core-data-structures/compaction.md @@ -11,7 +11,7 @@ Compaction extends [`SessionEventMap`](session.md) with three event types via de | Event | Payload | Role | |---|---|---| | `compact/start` | `{ turn }` | acquires the log-recorded lock | -| `compact/summary` | `{ summary, shadowedRange, shadowedSeqs, shadowedTokenCount }` | provenance: the summary blocks, the shadowed surface-boundary pair (`start`/`end` seqs — a position span, not a numeric interval), the shadowed seqs in surface order, and the estimated token count | +| `compact/summary` | `{ summary, shadowedRange, shadowedSeqs, shadowedTokenCount, model, maxTokens? }` | provenance: the summary blocks, the shadowed surface-boundary pair (`start`/`end` seqs — a position span, not a numeric interval), the shadowed seqs in surface order, the estimated token count, and the summarize call's envelope (`model`, plus its generation cap when one applied) — logged so the one-shot request is reconstructable from log + code (the reconstructability RFC) | | `compact/end` | `{ turn, error? }` | releases the lock (`error` set when summarization threw) | The lock brackets the **whole** operation: `compact/start` is appended first, then summarization, the `compact/summary` provenance record, and the `user/message` replacement all land, and only then `compact/end`. Releasing the lock last turns a crash mid-operation into a detectable orphaned lock (a `compact/start` with no matching `compact/end`) rather than a `compact/end` that falsely claims compaction finished. @@ -50,6 +50,6 @@ interface CompactionResult { ## The service -`CompactService` (`ctx.compact`, abstract — defined in [`packages/compact/compact/src/index.ts`](../../packages/compact/compact/src/index.ts)) declares two abstract methods: `compactIfNeeded(agent, turn, step, fullSystemPrompt, signal)` checks token pressure and compacts an older range if the history is too large (returning `null` when nothing needs it), and `compactRegion(session, start, end, agent, turn, step, signal?)` forcibly summarizes surface nodes `[start, end]` into a single replacement node. `compactIfNeeded`'s parameters are all required — the loop's `agent/pre-step` checkpoint supplies the agent, lifecycle context, assembled `fullSystemPrompt`, and turn `signal`. A backend summarizing via `ctx.llm.stream()` must forward `signal` into the call's `GenerateOptions.signal`, so an abort or dispose tears down the in-flight summarization. The entire strategy — token estimation, retention policy, event sequencing, summarization — is a HOW decision owned by the implementation. +`CompactService` (`ctx.compact`, abstract — defined in [`packages/compact/compact/src/index.ts`](../../packages/compact/compact/src/index.ts)) declares two abstract methods: `compactIfNeeded(agent, fullSystemPrompt, sessionPrefix, signal)` checks token pressure and compacts an older range if the history is too large (returning `null` when nothing needs it), and `compactRegion(session, start, end, agent, signal?)` forcibly summarizes surface nodes `[start, end]` into a single replacement node. `compactIfNeeded`'s parameters are all required — the loop's `agent/pre-step` checkpoint supplies the agent, the assembled `fullSystemPrompt`, the instance's composed `sessionPrefix` (request-only messages the derived history omits, so the pressure estimate must count them), and the turn `signal`. A backend summarizing via `ctx.llm.stream()` must forward `signal` into the call's `GenerateOptions.signal`, so an abort or dispose tears down the in-flight summarization. The entire strategy — token estimation, retention policy, event sequencing, summarization — is a HOW decision owned by the implementation. Auto-compaction runs on the serial `agent/pre-step` loop seam (fired once per step, after `turn/start` and BEFORE the step opens and its request history is derived), not the `agent/request` waterfall: compaction mutates the session surface in place — with its log-only `compact/*` records landing cleanly outside any step — and the loop derives the request from the already-compacted surface. Retention is turn-agnostic — the only structural guard is tool-pairing balance (a compacted region's edges are balanced cuts on the surface, so it never splits a step's tool-calls from their results), so a single runaway turn that alone exceeds the window compacts its own early closed steps rather than being retained verbatim. The backend that ships this (`dsh-compact-basic`) documents the retention walk, summary shrink validation, bounded re-compaction, and the crash/recoverable failure taxonomy. diff --git a/docs/core-data-structures/core.md b/docs/core-data-structures/core.md index 9a282e305c..bdcb66d6bb 100644 --- a/docs/core-data-structures/core.md +++ b/docs/core-data-structures/core.md @@ -19,14 +19,22 @@ Everything else is documented on a **sub-page**, not here. The rule that draws t | [session.md](session.md) | the full `SessionEventMap` variant catalog, `TurnTrigger`/`TurnEndReason`, `deriveMessages()`, the turn-enclosure invariant | | [persistence.md](persistence.md) | the durability seam: `SessionPersistence`, JSONL + SQLite backends, `session/flush`, crash recovery, `SessionHeader` | | [tools.md](tools.md) | `ToolDefinition` full fields, the schema DSL, `ToolExecution`/`ToolResult`, tool-presentation UI types, the `tools/pre-execute`/`tools/post-execute` pipeline | +| [user-interaction.md](user-interaction.md) | the UI-backed human question/answer seam: `AskUserQuestionRequest`, answer/options vocabulary, provider API, error taxonomy | +| [approval.md](approval.md) | the one-shot user-approval seam: `ApprovalRequest`, `ApprovalOutcome`, per-session policy, audit and answerer contracts | | [bash.md](bash.md) | the bash executor seam: `BashExecRequest`/`Spec`, `BashRunResult`, background `BashTask`s | +| [sandbox.md](sandbox.md) | the process-confinement seam: file-effect modes, `SandboxPolicy`, `ConfinedArgv`, enforcement and fail-closed errors | +| [code-runtime.md](code-runtime.md) | the code-execution seam: `CodeRunRequest`/`Result`, binding namespaces, captured logs, the `CodeRunFailure` taxonomy | | [filesystem.md](filesystem.md) | the filesystem seam: `FsTarget`, read/write/edit outcomes, observed-file state, `FsErrorCode` | +| [skills.md](skills.md) | the skill service: discovery priority, `SkillSummary`/`SkillDefinition`, session-prefix catalog, model-facing `skill` loading | | [compaction.md](compaction.md) | the compaction seam: the `compact/*` session events, `CompactionResult`, the `CompactService` interface | | [subagent.md](subagent.md) | the subagent seam: the named-provider registry, `SubagentStartRequest`/`Result`/`Run`, the start-time-vs-runtime capability split | | [web.md](web.md) | the web access seam: `WebSearchRequest`/`Result`, `WebFetchRequest`/`Result`, `WebFetchBody`, provider/capability status, `WebError` | +| [workflow.md](workflow.md) | the workflow seam: `WorkflowStartRequest`, `WorkflowMeta`, `WorkflowRun`/`Result`, the `workflow/*` event payloads, `WorkflowError` fatality | > Type definitions on this page are pasted **verbatim** from source and drift-checked by `pnpm run verify-type-equiv` (see [development.md](../development.md#documenting-types-verbatim-ts-type-equiv)). Inline JSDoc is omitted for readability; follow the source link for the full contracts. +FIXME(catalog-verbs): the drift gate covers only the nouns (the pasted type shapes); every method surface on these pages is hand-written prose. core-data-structures should probably also generate the *verbs* — the public methods of the cataloged classes — so a signature change cannot silently outdate the catalog. + ## The `…Map → derived-union` pattern Almost every extensible sum type in the harness follows one shape: an interface keyed by a discriminant tag (the `…Map`), from which the union is derived with `keyof`. Plugins add variants by **declaration merging** — no edit to the owning package. @@ -87,11 +95,10 @@ interface ContentBlockMap { 'reasoning': ReasoningBlock 'tool-call': ToolCallBlock 'tool-result': ToolResultBlock - 'image': ImageBlock } ``` -The block interfaces (full fields in source): `TextBlock` (`text`), `ReasoningBlock` (thinking, distinct from visible text), `ToolCallBlock` (`id: CallId`, `name`, raw-JSON `arguments`), `ToolResultBlock` (`toolCallId`, nested `content: ContentBlock[]`, `isError?`), `ImageBlock` (`url`, `mimeType?`). `ContentBlock = ContentBlockMap[ContentBlockType]`. +The block interfaces (full fields in source): `TextBlock` (`text`), `ReasoningBlock` (thinking, distinct from visible text), `ToolCallBlock` (`id: CallId`, `name`, raw-JSON `arguments`), `ToolResultBlock` (`toolCallId`, nested `content: ContentBlock[]`, `isError?`). `ContentBlock = ContentBlockMap[ContentBlockType]`. The core set is limited to blocks every shipping path honors — multimodal content (images, audio, …) has no core block type; a feature that needs one adds it via the merge-extensible map together with the adapter/UI/compaction support that honors it. A `Message` is a role plus blocks: @@ -108,7 +115,6 @@ Where a message came from is itself a merge-extensible sum type: interface MessageSourceMap { user: { kind: 'user' } plugin: { kind: 'plugin'; plugin: string } - agent: { kind: 'agent'; agentId: string } } ``` @@ -127,13 +133,17 @@ Source: [`packages/llm/llm/src/types.ts`](../../packages/llm/llm/src/types.ts) ```ts type-equiv interface GenerateOptions { model: string + /** + * Ordered conversation messages, exactly as the provider sees them (after + * the `system` slot). A loop-built request assembles them as + * `EpochHeader.messagePrefix` + the derived history (dsh-agent-loop); a + * hand-built one-shot passes any list. + */ messages: Message[] /** System prompt text (adapters map to the provider's system slot). */ system?: string /** Tool schemas (adapters map to the provider's `tools` field). */ tools?: ToolSchema[] - /** Assistant prefix continuation (prefill). */ - prefill?: ContentBlock[] temperature?: number maxTokens?: number /** @@ -182,12 +192,28 @@ interface ToolSchema { description: string /** JSON Schema object for the arguments. */ parameters: Record - strict?: boolean } ``` The model-facing `ToolSchema` is the wire shape; the registered `ToolDefinition` that produces it (schema + `execute`) is on [tools.md](tools.md). +### The request envelope: `LlmCallConfig` and the logged header + +Requests are built by the loop, not shaped per call: the non-history half of a request — the `EpochHeader`: this call configuration plus the rendered system prompt, the tool schemas in the assembly's canonical order (dsh-system-prompt's `toolOrder` config, lexicographic when unset), and the session prefix — is logged session state (`request/header` snapshot and delta events, [session.md](session.md#the-request-header-events-requestheader-and-requestheader-delta)), so every conversation request is a pure function of the session log ([reconstructability RFC](../rfc/implemented/architecture/2026-07-05-reconstructable-requests.md)). The `agent/request` waterfall receives a frozen `LlmCallConfig` seed and a listener returns a replacement to switch model or sampling; the `agent/session-prefix` waterfall — fired once per loop instance — composes the request-only messages fronting the derived history (recorded as the header's `messagePrefix`) — the loop logs whatever the request actually uses. Loop-built requests arrive at `llm/stream` deep-frozen; mutation throws. + +On the wire, a loop-built request reads in this order: the `system` slot (the rendered prompt assembly) → `messagePrefix` (the frozen session prefix) → the derived history — the boundary snapshot, whose tail is the newest `user/message` on a turn's first step and the previous step's tool results on later steps. The prefix never enters the derived history; its durable record is the header events, and the dev invariant recomputes exactly this equation against every loop-built request. + +FIXME(call-config-shape): revisit the exact definition of this type — which fields are genuinely epoch-level for cache purposes (`model` certainly; the sampling scalars sit here out of caution), and where provider-specific extras (reasoning options, extra body params) belong when an adapter needs them. + +```ts type-equiv +interface LlmCallConfig { + model: string + temperature?: number + maxTokens?: number + stop?: string[] +} +``` + ## Sessions A `Session` is an **append-only log** of typed `SessionEvent`s — the single source of truth. The LLM message history is *derived* from the log (`deriveMessages()`), not stored separately. The event vocabulary derives from `SessionEventMap`: @@ -216,7 +242,7 @@ type SessionEvent = { }[T] ``` -The thirteen event variants (`turn/start`, `turn/end`, `step/start`, `step/end`, `user/message`, `prompt/blocked`, `context/message`, `assistant/chunk`, `assistant/message`, `tool/call`, `tool/result`, `steering/message`, `todo/write`), the `deriveMessages()` projection rules, the `TurnTrigger`/`TurnEndReason` reasons, and the turn-enclosure invariant are on **[session.md](session.md)**. How the log is made durable — the `SessionPersistence` seam, JSONL/SQLite backends, the `session/flush` checkpoint, crash recovery, and `SessionHeader` — is on **[persistence.md](persistence.md)**. +The fifteen event variants (`turn/start`, `turn/end`, `step/start`, `step/end`, `user/message`, `prompt/blocked`, `context/message`, `assistant/chunk`, `assistant/message`, `tool/call`, `tool/result`, `steering/message`, `todo/write`, `request/header`, `request/header-delta`), the `deriveMessages()` projection rules, the `TurnTrigger`/`TurnEndReason` reasons, and the turn-enclosure invariant are on **[session.md](session.md)**. How the log is made durable — the `SessionPersistence` seam, JSONL/SQLite backends, the `session/flush` checkpoint, crash recovery, and `SessionHeader` — is on **[persistence.md](persistence.md)**. ## The agent handle @@ -308,7 +334,7 @@ interface Agent { } ``` -`AgentStatus` is `'idle' | 'running' | 'disposed'`. `AgentId` is a branded string. `AgentOptions` (`model?`, `systemPrompt?`) is merge-extensible — plugins add creation options by declaration merging. The `agent/*` event taxonomy (lifecycle emits incl. `agent/session-start`, the serial `agent/pre-step` surface-mutation seam, and the `agent/prompt-submit`/`agent/request`/`agent/step-result`/`agent/turn-continuation` waterfalls) is in [architecture.md § Event taxonomy](../architecture.md#event-taxonomy); turn/step boundaries are durable `session/event` records, not `agent/*` emits. +`AgentStatus` is `'idle' | 'running' | 'disposed'`. `AgentId` is a branded string. `AgentOptions` (`model?`) is merge-extensible — plugins add creation options by declaration merging; the persona is NOT an agent option but the `dsh-system-prompt` plugin's `persona` config, shared context-wide. The `agent/*` event taxonomy (lifecycle emits incl. `agent/session-start`, the serial `agent/pre-step` surface-mutation seam, and the `agent/prompt-submit`/`agent/request`/`agent/session-prefix`/`agent/step-result`/`agent/turn-continuation` waterfalls) is in [architecture.md § Event taxonomy](../architecture.md#event-taxonomy); turn/step boundaries are durable `session/event` records, not `agent/*` emits. ## Interception decisions @@ -345,6 +371,8 @@ type ContinuationDecision = type SessionStartSource = 'startup' | 'resume' | 'clear' | 'compact' ``` +`agent/session-prefix` composes the session prefix — a plain `Message[]`, no dedicated payload type. Fired ONCE per loop instance, lazily on its first request: the composed list is deep-frozen, recorded as the header's `messagePrefix` ([the request envelope](#the-request-envelope-llmcallconfig-and-the-logged-header)), and placed in front of the ENTIRE derived history on every request the instance sends — the home for session-stable openers like a skills catalog or an AGENTS.md digest, never returned by `deriveMessages()`. Reuse is structural, so the prefix cannot drift mid-session (resume = a new instance = a recompose); content that changes mid-session goes through the append-only history channels instead (`agent.inject()`, `tools/post-execute` / prompt-submit `additionalContext`). Not a Decision union: the seam contributes content instead of vetoing, so the shape is the contribution itself. + ## `ToolDefinition` The one pipeline-authoring type that is core: what every registered tool *is* — a model-facing `ToolSchema` plus an `execute` function and optional UI presenters. A tool author rarely constructs it by hand (the `defineTool` DSL builds it with typed args), but it is the contract the registry holds and the loop dispatches through. diff --git a/docs/core-data-structures/filesystem.md b/docs/core-data-structures/filesystem.md index e384ffcc92..bbc55be966 100644 --- a/docs/core-data-structures/filesystem.md +++ b/docs/core-data-structures/filesystem.md @@ -12,7 +12,6 @@ Every operation resolves a user-supplied path to an opaque backend target first. ```ts type-equiv interface FsTarget { - inputPath: string targetKey: FsTargetKey displayPath: string } @@ -81,8 +80,6 @@ interface FsEditRequest { ```ts type-equiv interface FsEditOutcome { - replacements: number - replaceAll: boolean version: FsVersion before: string after: string @@ -93,7 +90,7 @@ interface FsEditOutcome { `dsh-fs` owns three events the tool dispatches and the policy plugin listens for, so the emitter (`dsh-tool-fs`) and the listener (`dsh-fs-policy`) share a vocabulary without the emitter depending on the policy plugin. They carry only `dsh-fs` vocabulary plus an opaque `object` actor — no model-facing concepts and no agent/session owner structure. -`fs/write-intent` and `fs/edit-intent` are **single-slot decision waterfalls**: the tool dispatches each with a default thunk returning `undefined` (the bare provider), and a listener fully decides without calling `next()`. The slot is first-wins by registration order — the policy plugin owning it is a deployment convention, not an enforced invariant. `fs/observed` is a fire-and-forget recording event dispatched with a plain `ctx.emit`; its listener MUST be synchronous and side-effect-only, because the tool does NOT guard the emit — a throwing listener would surface as the tool's `isError` result for a mutation that already succeeded. The generated catalog shows the exact signatures on [events-and-services.md](../cordis-catalog/events-and-services.md). +`fs/write-intent` and `fs/edit-intent` are **single-slot decision waterfalls**: the tool dispatches each with a default thunk returning `undefined` (the bare provider), and a listener fully decides without calling `next()`. The slot is first-wins by registration order — the policy plugin owning it is a deployment convention, not an enforced invariant. `fs/observed` is a fire-and-forget recording event dispatched with a plain `ctx.emit`; its listener MUST be synchronous and side-effect-only, because the tool does NOT guard the emit — a throwing listener would surface as the tool's `isError` result for a mutation that already succeeded. The generated catalog shows the exact signatures on [events.md](../cordis-catalog/events.md). ## Execution context (policy plugin) @@ -109,16 +106,14 @@ interface FsPolicyExec { ## Read outcome (consumer / read rendering) -A text read is bounded by line window, byte cap, and backend limits. The outcome the model-facing `read` tool renders carries the file's version at read time; there is no `full`/`partial` view — authorization is freshness-based, so any windowed read can authorize a later write/edit when the file is unchanged. Read windowing and this outcome shape live in `dsh-tool-fs` (the executor that owns the read), not in the policy plugin. +A text read is bounded by line window, byte cap, and backend limits. The outcome the model-facing `read` tool renders is purely presentational; there is no `full`/`partial` view — authorization is freshness-based (the tool emits `fs/observed` with the stat's version directly), so any windowed read can authorize a later write/edit when the file is unchanged. Read windowing and this outcome shape live in `dsh-tool-fs` (the executor that owns the read), not in the policy plugin. ```ts type-equiv interface FileReadOutcome { offset: number - limit: number lines: FileTextLine[] totalLines: number truncatedByBytes?: true - version: FsVersion } ``` @@ -149,4 +144,4 @@ type FsErrorCode = ## The service and the plugin -`FileSystem` (`ctx.fs`, abstract) owns the provider primitives: `resolve`, `stat`, `readText`, `streamText`, `listDir`, `writeText`, and `editText`. `dsh-fs-policy` registers **no service** — it is a plugin that adds policy through the `fs/*` event gate: it decides the write/edit intent waterfalls (supplying `createIfAbsent`/`replaceIfVersion`/`{ version }` or throwing `FS_NOT_OBSERVED`) and records on `fs/observed`. The executor is `dsh-tool-fs`: it reads/writes/edits through `ctx.fs`, dispatches the waterfalls, and emits the recording event. The generated wiring catalog shows the exact `ctx.fs` signatures on [events-and-services.md](../cordis-catalog/events-and-services.md#ctxfs--filesystem-abstract-seam). +`FileSystem` (`ctx.fs`, abstract) owns the provider primitives: `resolve`, `stat`, `readText`, `streamText`, `listDir`, `writeText`, and `editText`. `dsh-fs-policy` registers **no service** — it is a plugin that adds policy through the `fs/*` event gate: it decides the write/edit intent waterfalls (supplying `createIfAbsent`/`replaceIfVersion`/`{ version }` or throwing `FS_NOT_OBSERVED`) and records on `fs/observed`. The executor is `dsh-tool-fs`: it reads/writes/edits through `ctx.fs`, dispatches the waterfalls, and emits the recording event. The generated wiring catalog shows the exact `ctx.fs` signatures on [services.md](../cordis-catalog/services.md#ctxfs--filesystem-abstract-seam). diff --git a/docs/core-data-structures/llm-streaming.md b/docs/core-data-structures/llm-streaming.md index 7439eb14a6..fff329310a 100644 --- a/docs/core-data-structures/llm-streaming.md +++ b/docs/core-data-structures/llm-streaming.md @@ -26,9 +26,22 @@ Every adapter MUST obey these, and every consumer may rely on them: - **`usage` before `finish`, nothing after `finish`.** Defer both to the provider's end-of-stream marker so a trailing usage-only chunk can't violate the ordering. - **Tool-call `arguments` stay raw JSON strings end-to-end.** Partial fragments stream via `argumentsDelta`; a provider that hands back parsed objects re-stringifies at `block-end`. - **Two sanctioned error paths.** A failure may either THROW from `stream()` (transport/protocol errors) **or** end the stream with `finish {kind:'error'|'aborted'}` (provider in-band errors, for adapters that can't throw mid-stream). Consumers must handle *both*. The agent loop translates a finish-error/aborted into a turn error — it never logs a normal completed assistant message for a failed step. +- **Every provider HTTP request carries the app-attribution header.** Adapters send `attributionHeaders()` (below) - the `User-Agent` baseline - and prove it with a wire-level test (mock server asserting the received header, or the library's header hook for a library-backed adapter). This contract is why two adapters exist as a deliberate pair: `dsh-llm-deepseek` (hand-rolled fetch/SSE) and `dsh-llm-pi-ai` (the same endpoint through `@earendil-works/pi-ai`). Two independent internals over one contract is what pinned the protocol down — the library-backed adapter can't throw mid-stream, so it exercises the finish-chunk error path the hand-rolled one might not. +## `AppIdentity` — app attribution + +The static public application identity every adapter sends to providers ([`packages/llm/llm/src/attribution.ts`](../../packages/llm/llm/src/attribution.ts)). `attributionHeaders(identity?)` maps it to the standard `User-Agent` header only; OpenRouter-specific app attribution headers are intentionally not supported by this contract. The default `APP_IDENTITY` sources its version from the package manifest; every field is a public product fact - no secrets, paths, session ids, or per-user identifiers, and nothing per-request may influence the values. Rationale: [Mandatory `User-Agent` attribution](../rfc/implemented/architecture/2026-06-21-mandatory-app-attribution-headers.md). + +```ts type-equiv +interface AppIdentity { + product: string + version: string + url: string +} +``` + ## `TokenUsage` Per-call token accounting. Counts are **disjoint**: `inputTokens` is uncached input only; cached input is reported separately, and billed input is the sum of the three. Adapters whose providers fold cache hits into a single prompt total (DeepSeek's `prompt_tokens`) subtract them back out. @@ -49,7 +62,7 @@ interface TokenUsage { ## The seam -`LlmAdapter` is the provider seam: subclass, implement `stream()`, register with `ctx.llm.registerAdapter(models, adapter)`. The `block-start` / `block-end` `index` correlation and the assembler together mean an adapter only has to emit well-formed chunks — block reassembly is not each adapter's problem. The consumer surface (`ctx.llm.stream()`) and the `llm/stream` waterfall are described in [architecture.md § The vocabulary](../architecture.md#the-vocabulary-dsh-llm). +`LlmAdapter` is the provider seam: subclass, implement `stream()`, register with `ctx.llm.registerAdapter(models, adapter)`. The `block-start` / `block-end` `index` correlation and the assembler together mean an adapter only has to emit well-formed chunks — block reassembly is not each adapter's problem. The consumer surface (`ctx.llm.stream()`) and the `llm/stream` waterfall are described in [architecture.md § Content blocks and streaming](../architecture.md#content-blocks-and-streaming-dsh-llm). `ContentBlockType` (the key set the `index`-correlated blocks carry) derives from `ContentBlockMap`: @@ -59,7 +72,6 @@ interface ContentBlockMap { 'reasoning': ReasoningBlock 'tool-call': ToolCallBlock 'tool-result': ToolResultBlock - 'image': ImageBlock } ``` diff --git a/docs/core-data-structures/persistence.md b/docs/core-data-structures/persistence.md index 327162792a..4dbb8fb2af 100644 --- a/docs/core-data-structures/persistence.md +++ b/docs/core-data-structures/persistence.md @@ -1,6 +1,6 @@ # Session Persistence -The **durability seam** for the event log. [session.md](session.md) describes the in-memory `Session` — the append-only `SessionEvent` log that is the source of truth. This page describes how that log is made durable: the abstract `SessionPersistence` service, its backends, the flush checkpoint, crash recovery, and the metadata header that travels alongside the log. +The **durability seam** for the event log. [session.md](session.md) describes the in-memory `Session` — the append-only `SessionEvent` log that is the source of truth. This page describes how that log is made durable: the abstract `SessionPersistence` service, its backends, the flush checkpoint, crash recovery, and the metadata header that travels alongside the log. The event vocabulary the log carries is enumerated, member by member, in the generated [persistence log event catalog](../persistence-catalog.md). The seam is a textbook [capability seam](../rfc/implemented/architecture/2026-06-13-capability-seams.md): one abstract service ([dsh-session-persistence](../../packages/session-persistence/session-persistence), `ctx.sessionPersistence`) defining create/append/load/list over the existing `SessionEvent` — **no parallel persisted type** — and two interchangeable backends that pass the same `runPersistenceContract` suite. See the [session-persistence RFC](../rfc/implemented/architecture/2026-06-14-session-persistence.md). diff --git a/docs/core-data-structures/sandbox.md b/docs/core-data-structures/sandbox.md new file mode 100644 index 0000000000..6b7b212373 --- /dev/null +++ b/docs/core-data-structures/sandbox.md @@ -0,0 +1,82 @@ +# Process Sandbox + +The process-sandbox seam of [dsh-sandbox](../../packages/sandbox/sandbox) wraps a same-world subprocess argv in a file-effect policy without coupling consumers to a platform runner. [dsh-sandbox-local](../../packages/sandbox/sandbox-local) supplies the Linux bwrap/Landlock and macOS Seatbelt backends; [dsh-bash-sandbox](../../packages/bash/bash-sandbox) is the first consumer. Containers, microVMs, and remote execution are sibling implementations of whole capability seams, not providers of `ctx.sandbox`. + +Source: [`packages/sandbox/sandbox/src/index.ts`](../../packages/sandbox/sandbox/src/index.ts) + +## Modes and enforcement + +`SandboxMode` governs filesystem effects only. `read-only` denies writes except the required `/dev/null` sink; `workspace-write` permits writes under the workspace root and the backend's promised temp area; `danger-full-access` bypasses confinement. Network and process visibility are outside this vocabulary. + +```ts type-equiv +type SandboxMode = 'read-only' | 'workspace-write' | 'danger-full-access' +``` + +Only the first two modes can be sent to a provider. A `danger-full-access` consumer spawns its original argv and does not call `ctx.sandbox`. + +```ts type-equiv +type ConfinedSandboxMode = Exclude +``` + +Enforcement is a reported fact. `full` means the backend governs every file effect promised by the mode; `partial` means an active backend or older kernel ABI governs only a subset, so consumers that require the absolute promise must reject or surface that distinction. + +```ts type-equiv +type SandboxEnforcement = 'full' | 'partial' +``` + +## Per-call policy + +The policy is fully resolved and carried per call. This permits concurrent consumers and one-shot escalated retries to ask the same provider for different boundaries without mutating provider state. + +```ts type-equiv +interface SandboxPolicy { + /** The file-effect mode this execution runs under. */ + mode: ConfinedSandboxMode + /** Absolute root directory `workspace-write` may write under. */ + workspaceRoot: string +} +``` + +## Wrapped argv and classification dialects + +`ConfinedArgv` is what the consumer spawns. Besides the replacement argv, it carries the backend's enforcement fact and two orthogonal stderr dialects. `denialSignatures` identify the confined command being blocked while the sandbox works correctly. `runnerFailureSignatures` identify the sandbox runner refusing or failing before it executes the command; consumers check these first and surface a sandbox infrastructure failure, never an ordinary task failure. + +```ts type-equiv +interface ConfinedArgv { + /** The wrapped argv (runner, profile, separator, then the caller's argv). */ + argv: string[] + /** How completely the selected backend enforces the policy's file effects. */ + enforcement: SandboxEnforcement + /** + * The selected backend's denial DIALECT: the case-insensitive stderr + * substrings a file effect denied by THIS backend produces (EROFS text + * under bwrap's read-only binds, EACCES under Landlock, EPERM under + * Seatbelt). A consumer that infers denials from a failed run's stderr + * matches against exactly these rather than a cross-backend union — the + * union claims denials a given backend never produces. + */ + denialSignatures: readonly string[] + /** + * How the RUNNER ITSELF failing identifies itself: case-insensitive stderr + * substrings produced when the sandbox binary is missing, refuses its + * profile, or fails closed before exec'ing the command (`bwrap: `, + * `landlock-run: `, `sandbox-exec: ` — each covers both the runner's own + * error prefix and the shell's runner-not-found message). ORTHOGONAL to + * {@link denialSignatures}: a denial is the confined COMMAND being blocked + * (the sandbox working as designed); a runner failure means the command + * NEVER RAN and must surface as a sandbox failure, not a task failure — + * consumers check these signatures FIRST (a runner's own error text may + * contain denial words, e.g. an unopenable grant root reporting + * `Permission denied`). + */ + runnerFailureSignatures: readonly string[] +} +``` + +An operator-configured local runner must supply at least one `runnerFailureSignatures` entry for its own pre-exec refusal dialect; the provider adds outer-shell missing and unexecutable forms automatically. This makes an executable custom runner rejecting its profile distinguishable from the wrapped command exiting with the same status. + +## Provider and fail-closed errors + +`ctx.sandbox.confine(argv, policy)` returns a `ConfinedArgv` or throws `SandboxUnavailableError` with code `SANDBOX_UNAVAILABLE` when no usable backend exists. A selected runner can also fail closed at execution time, in which case its failure signature carries the same infrastructure meaning. Silent unconfined passthrough is never legal for a confined policy. + +Provider probing arbitrates between multiple candidates and is cached for the provider lifetime. A platform with one candidate may select it directly; execution-time refusal retains the safety property. The local provider reports bwrap and Seatbelt as full and preserves the Landlock launcher's full/partial kernel verdict. diff --git a/docs/core-data-structures/session.md b/docs/core-data-structures/session.md index 4d2b47c05c..1b12c3fc48 100644 --- a/docs/core-data-structures/session.md +++ b/docs/core-data-structures/session.md @@ -6,7 +6,7 @@ Source: [`packages/core/session/src/types.ts`](../../packages/core/session/src/t ## `SessionEventMap` — the event vocabulary -The append-only event types. Merge-extensible: a plugin declares extra event types via declaration merging — e.g. the [compaction seam](compaction.md) adds `compact/start` / `compact/summary` / `compact/end`, and `@deepseek-ai/dsh-hook-protocol` adds log-only `hook/invoked` / `hook/result` provenance for a hook bridge. Like `compact/*`, these are NOT `SurfaceEventType`s (no `surfaceOp`). +The append-only event types. Merge-extensible: a plugin declares extra event types via declaration merging — e.g. the [compaction seam](compaction.md) adds `compact/start` / `compact/summary` / `compact/end`, and `@deepseek-ai/dsh-hook-protocol` adds log-only `hook/invoked` / `hook/result` provenance for a hook bridge. Like `compact/*`, these are NOT `SurfaceEventType`s (no `surfaceOp`). The generated [persistence log event catalog](../persistence-catalog.md) enumerates every member — core and merged — with its payload, surface badge, and declaration site. ```ts type-equiv interface SessionEventMap { @@ -60,6 +60,29 @@ interface SessionEventMap { * cordis-catalog row. */ 'todo/write': { todos: TodoItem[] } + /** + * Full snapshot of the {@link EpochHeader} the NEXT request is built under, + * with the {@link RequestHeaderReason} it was recorded whole. Appended by + * the loop inside the step, before dispatch, on a loop instance's first + * request-building step (`'initial'`/`'resume'`) or when a delta failed its + * round-trip guard (`'fallback'`); always records what the request actually + * used, post-`agent/request`. Anchors the header fold: reconstruction reads + * the latest snapshot and applies the deltas after it. NOT a + * {@link SurfaceEventType}: it produces no LLM message — it is the request + * envelope, logged so every request is a pure function of the session log + * (the reconstructability RFC). + */ + 'request/header': { header: EpochHeader; reason: RequestHeaderReason } + /** + * Amendment to the folded {@link EpochHeader}: system line-trim, name-keyed + * tools delta, whole replacement config, or whole replacement session + * prefix (an EMPTY array encodes the transition to "none"). The + * writer verifies `applyHeaderDelta(previous, delta)` reproduces the new + * header exactly and falls back to a `'fallback'` `request/header` snapshot + * when it cannot, so a logged delta ALWAYS round-trips. NOT a + * {@link SurfaceEventType}. + */ + 'request/header-delta': { system?: SystemDelta; tools?: ToolsDelta; config?: LlmCallConfig; messagePrefix?: Message[] } } ``` @@ -74,6 +97,31 @@ export interface TodoItem { } ``` +### The request header events: `request/header` and `request/header-delta` + +The request envelope — the `EpochHeader` (call config + rendered system prompt + assembled tool schemas + the session prefix) — is logged session state, so every conversation request is a pure function of the log (the reconstructability RFC). A `request/header` snapshot (reason `'initial' | 'resume' | 'fallback'`) anchors the fold at conversation birth, process boundaries, and delta-encoding fallbacks; `request/header-delta` events amend it mid-run. `foldRequestHeader(events)` reconstructs the header any request was built under; the writer round-trip-verifies every delta before logging it, so a well-formed log always folds. Neither is a `SurfaceEventType` — they produce no LLM message. + +```ts type-equiv +export interface EpochHeader { + /** The conversation's call configuration (model + sampling scalars). */ + config: LlmCallConfig + /** Rendered system prompt text; absent for a system-less request. */ + system?: string + /** Assembled tool schemas; absent for a tool-less request. */ + tools?: ToolSchema[] + /** + * The session prefix: request-only messages sent BEFORE the entire derived + * history (the `agent/session-prefix` waterfall's product, composed once + * per loop instance and reused for every request it sends). Not session + * history — `deriveMessages()` never returns it — so the header is its + * only durable record; absent when the instance composed none. + */ + messagePrefix?: Message[] +} +``` + +Canonical form: an empty system prompt, an empty tool list, and an empty session prefix are ABSENT fields, matching how requests are built. `messagePrefix` is the durable record of the `agent/session-prefix` waterfall's product (the request is `messagePrefix + derived history`); composed once per loop instance and anchored by that instance's snapshot, so the loop never produces a prefix delta in practice — the delta arm (whole-array replacement, an empty array encoding the transition back to absence) exists for codec totality. The other delta payloads (`SystemDelta` — a common-prefix/suffix line trim; `ToolsDelta` — name-keyed added/removed/changed) live beside the events in [`packages/core/session/src/types.ts`](../../packages/core/session/src/types.ts). + ## `SessionEvent` — one log entry A proper discriminated union over `type` (not independent `type`/`data` unions), so `switch (event.type)` narrows `event.data` without casts. `seq` is the monotonic position in the log (`seq = log.length`); `time` is epoch ms. @@ -148,9 +196,9 @@ export interface SurfaceNode { } ``` -## Derived history: `deriveMessages()` +## Derived history: `deriveMessages()` and `deriveEventMessage()` -`Session.deriveMessages()` projects the event log into the `Message[]` the model sees. The projection rules: +`Session.deriveMessages()` projects the event log into the `Message[]` the model sees — cached (each surface node projected once, when first seen; a surface rewrite rebuilds) and frozen (a fresh array per call over shared, deep-frozen messages, so mutating logged history through a projection is unrepresentable). `deriveEventMessage(event)` is the per-node pure function the fold applies — public so external reconstructors and the dev invariant project a log prefix with exactly the same rules and cannot disagree with the cache. The projection rules: - `user/message` → a user message. - `assistant/message` → an assistant message. Raw `assistant/chunk` events are replay/UI data and are **skipped** in derivation (the assembled message is authoritative). An **empty-content** `assistant/message` is also skipped — a max-tokens step cut off with no content still records an `assistant/message` to host its `usage`, but a content-less assistant turn must not enter the provider transcript. @@ -159,12 +207,19 @@ export interface SurfaceNode { Everything else (`turn/*`, `step/*`) is structural and does not project into a message. Token usage is observed on `assistant/message.usage` (the step that produced it); an operational error's step number is on `turn/end.reason` for `kind: 'error'`. +## Live-session fork API + +`ctx.sessions.create(id, { seed, meta })` is the low-level replay/fork primitive. For ordinary live-session forks, `SessionStore` exposes one policy API: + +- `fork(source, boundary?, childSessionId?)` accepts a live `Session` object or live `SessionId`, selects source events through the inclusive `boundary` seq (default: current last event), requires the boundary event to be `turn/end`, then creates a live child session with deep-cloned seed events plus child metadata (`parentSession`, `seedLength`, and inherited `cwd`). + +An explicit `boundary` lets callers fork from a previous completed turn even if the source has newer events or an open current turn. The API rejects non-`turn/end` boundaries instead of clipping silently. Broader turn-enclosure sanity stays in the existing `dsh-invariants` plugin and persistence repair path rather than being duplicated in `fork()`. `dsh-subagent-fork` keeps its completed-prefix clipping because tool-time delegation usually starts while the parent turn is open; ordinary session branching should make the requested boundary explicit. + ## What started a turn: `TurnTriggerMap` ```ts type-equiv interface TurnTriggerMap { message: { kind: 'message'; source: MessageSource } - continuation: { kind: 'continuation' } /** * An out-of-band context injection (`agent.inject()`) made while the agent * was idle. The loop wraps the injected `context/message` in a one-shot turn @@ -224,14 +279,9 @@ Every session event lives **inside** a turn (between a `turn/start` and its `tur ## Plugin-contributed log-only events -A plugin may declaration-merge extra `SessionEventMap` types. These are **log-only**: NOT `SurfaceEventType`s (they carry no `surfaceOp` and contribute nothing to derived history), but, like every event, they must sit inside an open turn. The compaction seam's `compact/*` are documented on [compaction.md](compaction.md); the hook bridges' `hook/*` provenance (from `@deepseek-ai/dsh-hook-protocol`) are: +A plugin may declaration-merge extra `SessionEventMap` types. These are **log-only**: NOT `SurfaceEventType`s (they carry no `surfaceOp` and contribute nothing to derived history), but, like every event, they must sit inside an open turn. The full per-event enumeration — core and plugin-contributed alike, with payloads and provenance — is the generated [persistence log event catalog](../persistence-catalog.md); the compaction seam's `compact/*` semantics are discussed on [compaction.md](compaction.md). -| Event | Payload | Role | -|---|---|---| -| `hook/invoked` | `{ turn, point, dialect, matcher?, handlerId }` | A hook command was invoked at a hook `point` (`PreToolUse`, `Stop`, …). `dialect` is the bridge (`claude`/`codex`/`native`); `matcher` the matcher-group pattern that selected it (absent for match-all); `handlerId` correlates with the result. | -| `hook/result` | `{ turn, point, handlerId, decision, exitCode?, stderrSummary?, durationMs }` | The decided outcome, paired by `handlerId`. `decision` is the resolved neutral outcome (`deny`/`allow`/`block`/`stop`/`pass`/…); `exitCode` absent when the hook could not run; `stderrSummary` the truncated block-reason source. | - -The mid-turn hook points (`PreToolUse`/`PostToolUse`/`UserPromptSubmit`/`Stop`) fire inside the loop's open turn, so their `hook/*` records are turn-enclosed by construction. `SessionStart` gets no `hook/*` record — its injected `context/message` is the durable evidence — because it has no open turn to enclose one (see the hooks RFC). +The hook bridges' `hook/invoked` / `hook/result` provenance pairs (from `@deepseek-ai/dsh-hook-protocol`) correlate by `handlerId`. The mid-turn hook points (`PreToolUse`/`PostToolUse`/`UserPromptSubmit`/`Stop`) fire inside the loop's open turn, so their `hook/*` records are turn-enclosed by construction. `SessionStart` gets no `hook/*` record — its injected `context/message` is the durable evidence — because it has no open turn to enclose one (see [the hook-bridges RFC](../rfc/implemented/feature/2026-06-30-hook-bridges.md)). ## Durability contract diff --git a/docs/core-data-structures/skills.md b/docs/core-data-structures/skills.md new file mode 100644 index 0000000000..b356aba720 --- /dev/null +++ b/docs/core-data-structures/skills.md @@ -0,0 +1,116 @@ +# Skills + +The [skill capability family](../../packages/skill) is split across three packages: the registry ([dsh-skill](../../packages/skill/skill), `ctx.skills`) merges provider catalogs; the local provider ([dsh-skill-local](../../packages/skill/skill-local)) scans project/custom/user directories; the consumer ([dsh-tool-skill](../../packages/skill/tool-skill)) owns the session-prefix catalog and model-facing `skill` tool. Skills are optional instructions, not session events, so their vocabulary lives here rather than in [core.md](core.md). + +Source: [`packages/skill/skill/src/index.ts`](../../packages/skill/skill/src/index.ts), [`packages/skill/skill-local/src/index.ts`](../../packages/skill/skill-local/src/index.ts), and [`packages/skill/tool-skill/src/index.ts`](../../packages/skill/tool-skill/src/index.ts). + +## Provider registry + +`ctx.skills` is a multi-provider registry. Providers can represent local directories, embedded plugin data, HTTP catalogs, or another source. Provider plugins register synchronously during `apply()`; remote initialization, authentication, and discovery are awaited by `list()`. The registry validates candidates, resolves duplicate skill names first-wins by rank/provider order/local order, and sorts the final summaries by `name` for deterministic consumers. A provider `list()` rejection is logged and skipped without caching the degraded catalog; malformed candidates still fail fast because they violate the provider contract. + +```ts type-equiv +interface SkillProvider { + name: string + list(options: SkillLookupOptions): Promise + get(candidate: SkillCandidate, options: SkillLookupOptions): Promise +} +``` + +## Local discovery priority + +The shipped local provider scans roots in rank order: + +| Rank | Source | Root | +|---|---|---| +| 100 | `project-dsh` | `/.dsh/skills` | +| 200 | `project-agents` | `/.agents/skills` | +| 300 | `custom` | `Config.customSkillDirs` | +| 400 | `user-dsh` | `/skills` | +| 500 | `user-agents` | `/skills` | + +The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. When `ctx.fs` is available, the git-root walk probes `.git` through the filesystem service so remote or sandboxed workspaces do not fall back to the host filesystem boundary. The user DSH root skips its `.system` child, and DeepSeek Harness no longer ships built-in system skills from the local provider. Additional built-ins can be supplied later by another provider. + +## Skill identity + +Skill names are kebab-case (`^[a-z0-9]+(?:-[a-z0-9]+)*$`). The local provider accepts directory bundles (`/SKILL.md`) and flat Markdown files (`.md`). Nested recursive `**/SKILL.md` discovery is intentionally outside v1. + +```ts type-equiv +type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'custom' | (string & {}) +``` + +## Summaries, candidates, and complete definitions + +`SkillSummary` is the registry's model-invocable summary shape. Consumers choose which fields to render; the session catalog uses only `name` and `description`, never the body or absolute file path. `disableModelInvocation` hides a skill from model listings while allowing trusted code to load it by name. + +```ts type-equiv +interface SkillSummary { + name: string + description: string + whenToUse?: string + disableModelInvocation?: boolean + source: SkillSource + provider: string + resourceBase?: SkillResourceBase +} +``` + +`SkillCandidate` is the provider-to-registry shape. `locator` is opaque provider state; the registry only stores it and gives it back to the winning provider's `get()`. + +```ts type-equiv +interface SkillCandidate extends SkillSummary { + rank: number + locator: unknown + path?: string + metadata?: Record +} +``` + +`SkillDefinition` is the complete parsed result returned by `ctx.skills.get()` and used by the `skill` tool. `resourceBase` tells the tool how to render relative-resource guidance for local, URL, or provider-managed skills. + +```ts type-equiv +type SkillResourceBase = + | { kind: 'directory'; path: string } + | { kind: 'url'; url: string } + | { kind: 'opaque'; description: string } +``` + +```ts type-equiv +interface SkillDefinition extends SkillSummary { + content: string + path?: string + metadata?: Record +} +``` + +Runtime skills use the same complete shape and participate in the same first-wins collection order. The returned disposer removes the contribution and invalidates discovery caches. + +```ts type-equiv +type SkillRegistration = Omit & { + provider?: string +} +``` + +## Lookup and configuration + +Skill lookup is cwd-sensitive because providers may expose workspace-local skills, and its optional signal cancels provider work for the caller. If no git root is found, the local provider treats the supplied cwd itself as the project root. + +```ts type-equiv +interface SkillLookupOptions { + cwd?: string | undefined + signal?: AbortSignal | undefined +} +``` + +The registry owns only its discovery-cache bound. The local provider owns filesystem roots (`dshHome`, `agentsHome`, and `customSkillDirs`). The consumer owns its catalog description bound. + +```ts type-equiv +interface Config { + collectCacheMaxEntries?: number +} +``` + +## Session catalog and tool contract + +`dsh-tool-skill` contributes a user-role `` through `agent/session-prefix`. The catalog contains sorted skill `name` and normalized, XML-escaped `description` only; it omits bodies, paths, sources, providers, and routing hints. Prefix discovery forwards the caller's abort signal through `SkillLookupOptions`. `catalogDescriptionMaxLength` is the consumer config for the description bound, with default `500` and integer minimum `3`. Its request-only, header-logged lifecycle is defined by the [session-prefix RFC](../rfc/implemented/feature/2026-07-07-session-prefix.md). + +The model-facing `skill({ name })` tool validates the kebab-case name, loads the complete definition for the calling agent cwd, reports an unresolved skill as unknown or no longer available, rejects `disableModelInvocation` skills, and returns a tool result containing ``, ``, and ``. `resourceBase` resolves explicitly referenced scripts, references, and assets only as needed; the loaded result does not enumerate a skill directory. The tool result is the model-visible path for complete instructions. diff --git a/docs/core-data-structures/subagent.md b/docs/core-data-structures/subagent.md index 1d998b60b7..f21ef15669 100644 --- a/docs/core-data-structures/subagent.md +++ b/docs/core-data-structures/subagent.md @@ -20,7 +20,7 @@ interface SubagentCapabilities { ## The start request -What a caller asks for when starting a subagent. The tool layer builds this from the model's `{ description, prompt }` plus its own config; the service validates the start-time capabilities against the named provider, then passes it to `provider.start`. `parent` is REQUIRED — in-process backends read `parent.session.header` for the working directory, the `parentSession` lineage, and the delegation depth. The three optional fields (`outputSchema`, `maxDepth`, `toolFilter`) each gate on the matching `SubagentCapabilities` flag. +What a caller asks for when starting a subagent. The tool layer builds this from the model's `{ description, prompt }` plus its own config; the service validates the start-time capabilities against the named provider, then passes it to `provider.start`. `parent` is REQUIRED — in-process backends read `parent.session.header` for the working directory, the `parentSession` lineage, and the delegation depth. The three optional fields (`outputSchema`, `maxDepth`, `toolFilter`) each gate on the matching `SubagentCapabilities` flag. `outputSchema` is an object-rooted JSON Schema within the subset `assertSupportedOutputSchema` (dsh-tools) enforces — a schema outside it is rejected loud at start; the in-process backends realize it with a forced `structured_output` capture tool (see the [driver README](../../packages/subagent/subagent-inprocess/README.md)). ```ts type-equiv interface SubagentStartRequest { @@ -28,7 +28,7 @@ interface SubagentStartRequest { parent: Agent signal?: AbortSignal agentOptions?: AgentOptions - outputSchema?: SchemaSpec + outputSchema?: StructuredOutputSchema maxDepth?: number toolFilter?: { allow?: string[]; deny?: string[] } } @@ -75,17 +75,18 @@ interface SubagentRun { ## The provider seam: `SubagentProvider` -One transport for running a child agent. Implementations register under a unique name via `SubagentService.registerProvider`; multiple coexist in one context. The service validates every requested start-time capability before calling `start`, so an implementation may assume e.g. `request.maxDepth` is honorable when present. +One transport for running a child agent. Implementations register under a unique name via `SubagentService.registerProvider`; multiple coexist in one context. The service validates every requested start-time capability before calling `start`, so an implementation may assume e.g. `request.maxDepth` is honorable when present. `inheritsParentContext` is a DESCRIPTIVE fact beside the capabilities (nothing validates against it): whether a child sees the parent conversation (`fork`: true, `spawn`/`acp`: false) — the model-facing consumer derives truthful tool wording from it. ```ts type-equiv interface SubagentProvider { readonly name: string readonly capabilities: SubagentCapabilities + readonly inheritsParentContext: boolean start(request: SubagentStartRequest): SubagentRun } ``` -The service (`ctx.subagents`) emits `subagent/start` when a run begins and `subagent/end` when it settles (see the [events catalog](../cordis-catalog/events-and-services.md)). `subagent/end` carries `lastAssistantMessage` (the child's final `output`) on the settle path, so an observer sees WHAT the subagent produced without holding the run (absent when the run rejected at the infrastructure level — no result was produced). These are **observe-only** events: both are plain `emit`s (the `subagent/end` fires from a detached `.then` after the result settles and awaits no listener), so a subscriber observes but cannot change the run. Both emits contain a thrown listener **per listener** (logged, never propagated): one bad subscriber can neither strand a live run, surface as an unhandled rejection on the detached settle hook, nor starve the listeners registered after it. +The service (`ctx.subagents`) emits `subagent/start` when a run begins and `subagent/end` when it settles (see the [events catalog](../cordis-catalog/events.md)). `subagent/end` carries `lastAssistantMessage` (the child's final `output`) on the settle path, so an observer sees WHAT the subagent produced without holding the run (absent when the run rejected at the infrastructure level — no result was produced). These are **observe-only** events: both are plain `emit`s (the `subagent/end` fires from a detached `.then` after the result settles and awaits no listener), so a subscriber observes but cannot change the run. Both emits contain a thrown listener **per listener** (logged, never propagated): one bad subscriber can neither strand a live run, surface as an unhandled rejection on the detached settle hook, nor starve the listeners registered after it. ## In-process backends: depth and seed diff --git a/docs/core-data-structures/tools.md b/docs/core-data-structures/tools.md index a05ffb3966..96d3e79bdc 100644 --- a/docs/core-data-structures/tools.md +++ b/docs/core-data-structures/tools.md @@ -11,6 +11,14 @@ A `ToolSchema` (the model-facing fields) plus the `execute` function and optiona ```ts type-equiv interface ToolDefinition extends ToolSchema { execute(args: unknown, exec: ToolExecution): Promise + /** + * Cooperative tool-call timeout budget in milliseconds. Omit for no deadline. + * Enforced by `@deepseek-ai/dsh-timeout-policy` (a `tools/execute` wrapper); it + * is NEVER sent to the model — `schemas()` whitelists only name/description/ + * parameters. Declaring it asserts this tool forwards `exec.signal` to a + * cooperative implementation that can reach quiescence when the signal aborts. + */ + timeoutMs?: number /** * Optional: how to present the PENDING state of one call in a UI, derived from * the call's `args` (parsed arguments, `unknown` — the tool validates/narrows @@ -138,6 +146,40 @@ type PostToolDecision = Call `next()` to delegate to the default (allow / accept-unchanged), or return a decision to short-circuit. A `pre-execute` `deny` (or `ask`, which degrades to deny until the permission system lands) skips dispatch and yields an `isError` result; input rewrite is deliberately NOT offered on `PreToolDecision` (it would desync the pre-execution audit/history/UI from what ran — its own proposed RFC). A `post-execute` `accept` may replace the model-facing `content` (clean, because `tool/result` is logged after `execute()` returns); a `block` turns the call into an `isError` whose content is the corrective `feedback`. Core dispatch sits between the waterfalls as plain code; the tool body keeps its own try/catch so a thrown tool still reaches `post-execute` as an `isError`. An unregistered tool routes through the same catch as a tool-thrown error, so both failure classes get a structured `{ name, code }` (`ToolNotFoundError` → `UNKNOWN_TOOL`) — the loop records a failed tool call instead of failing the whole turn. +## The structured-output schema subset + +The vocabulary a caller uses to demand a machine-readable result from a subagent (`SubagentStartRequest.outputSchema`, [subagent.md](subagent.md#the-start-request)) or a workflow `agent()` call. It is deliberately NOT full JSON Schema: the schema travels verbatim to the model as a forced tool's `parameters`, and the produced value is validated client-side by `validateStructuredValue` — so every accepted keyword must be one the validator actually enforces, and `assertSupportedOutputSchema` rejects anything else loud (`OutputSchemaError`, listing every violation). Both walkers reason over own enumerable properties only (JSON carries nothing else) and reject non-plain objects (`Date`, `Map`) that would serialize lossily. + +```ts type-equiv +type StructuredScalar = string | number | boolean | null +``` + +```ts type-equiv +type StructuredSchemaType = 'object' | 'array' | 'string' | 'number' | 'integer' | 'boolean' | 'null' +``` + +```ts type-equiv +interface StructuredSchemaNode { + type: StructuredSchemaType + properties?: Record + required?: string[] + additionalProperties?: boolean + items?: StructuredSchemaNode + enum?: StructuredScalar[] + const?: StructuredScalar + description?: string + title?: string + default?: unknown + examples?: unknown +} +``` + +A schema is an object-rooted node (`enum`/`const` are scalar-only; `description`/`title`/`default`/`examples` are annotations, allowed and ignored but still required to be JSON data — they ride the wire): + +```ts type-equiv +type StructuredOutputSchema = StructuredSchemaNode & { type: 'object' } +``` + ## Tool-presentation UI vocabulary How a tool wants its call shown in a UI (an editor tool-call card, a CLI log line), provider-neutral so a tool describes itself without depending on any client protocol. `presentCall`/`presentResult` return a **`card`-tagged render intent** — a discriminated union a UI bridge switches on: diff --git a/docs/core-data-structures/user-interaction.md b/docs/core-data-structures/user-interaction.md new file mode 100644 index 0000000000..6155fd9896 --- /dev/null +++ b/docs/core-data-structures/user-interaction.md @@ -0,0 +1,97 @@ +# User Interaction + +The user-interaction seam of [dsh-user-interaction](../../packages/ui/user-interaction). It is the provider-neutral vocabulary a tool or permission plugin uses when it needs the human to answer before the agent can continue. UI surfaces provide the active `UserInteractionProvider`: `dsh-stdio-agent` renders questions in readline, and `dsh-acp` maps them to ACP form elicitations. + +Source: [`packages/ui/user-interaction/src/index.ts`](../../packages/ui/user-interaction/src/index.ts) + +## Question options + +`AskUserQuestionOption` is the selectable-choice shape. `label` is the user-facing option text and also the model-facing selected value; `description` is optional UI help text. + +```ts type-equiv +interface AskUserQuestionOption { + /** User-facing label. */ + label: string + /** Optional extra context rendered by capable UIs. */ + description?: string +} +``` + +## Question item + +`AskUserQuestionItem` is one question in a request. The model supplies a stable `id`, which is echoed back with the answer so batched questions remain routable. + +```ts type-equiv +interface AskUserQuestionItem { + /** Stable model-provided question id, echoed in the answer. */ + id: string + /** The question to display. */ + question: string + /** Optional short heading/group label. */ + header?: string + /** Optional choices the UI can render as a menu. */ + options?: AskUserQuestionOption[] + /** Whether more than one option may be selected. Defaults to single-select. */ + multiSelect?: boolean +} +``` + +## Ask request + +`AskUserQuestionRequest` is the cross-package request. `questions` is an array so a UI can present related prompts in one flow while preserving a stable id per answer. + +```ts type-equiv +interface AskUserQuestionRequest { + /** Questions to display. */ + questions: AskUserQuestionItem[] + /** Calling agent, when the request came from an agent tool call. */ + agent?: Agent + /** Abort signal for the owning tool/step. */ + signal?: AbortSignal +} +``` + +## Answer + +Providers return one answer per answered question id. `selected` contains selected option labels, and `custom` carries a free-form "Other" answer when the user typed one. When `custom` is present, `selected` is empty; custom text is an answer override, not a supplement to selected choices. + +```ts type-equiv +interface AskUserQuestionAnswerItem { + /** The answered question id. */ + id: string + /** Selected option labels. Empty when the answer is purely custom text. */ + selected: string[] + /** Optional free-text "Other" answer. */ + custom?: string +} +``` + +```ts type-equiv +interface AskUserQuestionAnswer { + /** Structured answers keyed by question id. */ + answers: AskUserQuestionAnswerItem[] +} +``` + +## Provider + +Only one provider may be active in a context. Provider registration is effect-bound so HMR/disposal removes the active UI. + +```ts type-equiv +interface UserInteractionProvider { + ask(request: AskUserQuestionRequest): Promise +} +``` + +## Errors + +`UserInteractionError` extends `HarnessError`, so `ctx.tools.execute()` preserves `{ name, code }` for model-facing tool failures such as `EMPTY_QUESTIONS`, `NO_PROVIDER`, `ASK_ABORTED`, or ACP-side cancellation. + +```ts type-equiv +class UserInteractionError extends HarnessError { + constructor(message: string, code: string, options?: ErrorOptions) { + super(message, code, options) + this.name = 'UserInteractionError' + } +} +``` diff --git a/docs/core-data-structures/web.md b/docs/core-data-structures/web.md index 1adde3bd75..f6bd6406ab 100644 --- a/docs/core-data-structures/web.md +++ b/docs/core-data-structures/web.md @@ -10,7 +10,7 @@ Search and fetch share no request schema and no business logic, but they are del ## Search request and result -The model-facing tool argument is just a `query`; `maxResults` is a consumer-owned bound (`dsh-tool-web`'s `WEB_SEARCH_MAX_RESULTS`, default `8`) passed through the seam and enforced on the way back — if a provider over-returns, the seam truncates `sources[]` and sets `truncated`. +The model-facing tool argument is just a `query`; `maxResults` is a consumer-owned bound (`dsh-tool-web`'s `searchMaxResults` config, default `8`) passed through the seam and enforced on the way back — if a provider over-returns, the seam truncates `sources[]` and sets `truncated`. ```ts type-equiv interface WebSearchRequest { @@ -73,9 +73,9 @@ type WebFetchBody = | { readonly kind: 'text'; readonly content: string } ``` -## Provider and capability status +## Provider status -A provider's `status()` is a cheap LOCAL check (credential presence, parseable config) and **must not make network calls**. It is an input to selection, not a health system. +A provider's `status()` is a cheap LOCAL check (credential presence, parseable config) and **must not make network calls**. It is an input to execution-time selection, not a health system: `search()`/`fetch()` read it to pick a usable provider, and a selection failure surfaces as the structured `WebError` the caller routes on — which carries the branchable detail (the missing id, the ambiguous candidate set) in its code and message. ```ts type-equiv type WebProviderStatus = @@ -83,15 +83,7 @@ type WebProviderStatus = | { readonly available: false; readonly reason: 'missing-credential' | 'misconfigured' } ``` -The service aggregates provider status into a `WebCapabilityStatus`: whether the capability has a selected usable provider, or the broad category in which selection fails. It carries the winning `providerId` on the available branch but NOT the per-reason payload (the missing id, the ambiguous set) — that branchable detail lives in the thrown `WebError`, the surface callers route on, so the same fact never gets two homes that can disagree. - -```ts type-equiv -type WebCapabilityStatus = - | { readonly available: true; readonly providerId: string } - | { readonly available: false; readonly reason: 'none' | 'configured-missing' | 'configured-unavailable' | 'ambiguous' } -``` - -Selection never depends on registration, config, or HMR order: a capability has an explicit provider id (config `searchProvider`/`fetchProvider`, or the matching env var feeding the same field), or auto-selects when exactly one usable provider is registered; multiple usable providers with no configured id is `ambiguous`, not first-wins. +Selection never depends on registration, config, or HMR order: a capability has an explicit provider id (config `searchProvider`/`fetchProvider`, or the matching env var feeding the same field), or auto-selects when exactly one usable provider is registered; multiple usable providers with no configured id is `WEB_PROVIDER_AMBIGUOUS`, not first-wins. ## Errors @@ -99,4 +91,4 @@ Selection never depends on registration, config, or HMR order: a capability has ## The service -`WebService` (`ctx.web`, defined in [`packages/web/web/src/index.ts`](../../packages/web/web/src/index.ts)) is a provider registry plus a provider-selecting execution surface, close to `LlmService`'s shape: `registerSearchProvider`/`registerFetchProvider` (duplicate ids throw `WEB_DUPLICATE_PROVIDER`, return disposers, emit `web/providers-change`), `searchStatus`/`fetchStatus` (derived, never stored), and `search`/`fetch` (resolve the provider at call time, throw a structured `WebError` when the capability cannot run). Providers issue requests with the platform-native `fetch` (Node 24), mirroring `dsh-llm-deepseek`; the `dsh-web-fetch-local` provider owns safe retrieval (http/https-only, credential rejection, byte/char/timeout/redirect caps, same-origin-only redirects with per-hop re-validation, charset decoding) while `dsh-tool-web` owns presentation (HTML→markdown). SSRF / private-network blocking is deferred (see the RFC) — until it lands, `web_fetch` must not be enabled where it can reach sensitive internal targets. +`WebService` (`ctx.web`, defined in [`packages/web/web/src/index.ts`](../../packages/web/web/src/index.ts)) is a provider registry plus a provider-selecting execution surface, close to `LlmService`'s shape: `registerSearchProvider`/`registerFetchProvider` (duplicate ids throw `WEB_DUPLICATE_PROVIDER`, return disposers) and `search`/`fetch` (resolve the provider at call time, throw a structured `WebError` when the capability cannot run). Providers issue requests with platform-native `fetch` at the repo's Node floor, mirroring `dsh-llm-deepseek`; the `dsh-web-fetch-local` provider owns safe retrieval (http/https-only, credential rejection, byte/char/timeout/redirect caps, same-origin-only redirects with per-hop re-validation, charset decoding) while `dsh-tool-web` owns presentation (HTML→markdown). SSRF / private-network blocking is deferred (see the RFC) — until it lands, `web_fetch` must not be enabled where it can reach sensitive internal targets. diff --git a/docs/core-data-structures/workflow.md b/docs/core-data-structures/workflow.md new file mode 100644 index 0000000000..4354105e70 --- /dev/null +++ b/docs/core-data-structures/workflow.md @@ -0,0 +1,69 @@ +# Workflow + +The workflow seam — an agent running a model-written orchestration SCRIPT that fans out subagents. Like [subagent](subagent.md) it is **one optional capability**, not part of the agent-loop spine, so its vocabulary lives here rather than in [core.md](core.md). Unlike the subagent registry it takes the bash shape: ONE engine implementation per context provides `ctx.workflows`; there is no named-provider registry (a second engine is a plugin swap, not a co-resident). + +Interface: [dsh-workflow](../../packages/workflow/workflow) (`ctx.workflows` + the vocabulary below). The implementation is [dsh-workflow-workerthread](../../packages/workflow/workflow-workerthread) (a `node:worker_threads` engine — one worker per run, the script's vm context inside it); the model-facing consumer is [dsh-tool-workflow](../../packages/workflow/tool-workflow). The proposal and rationale: [the dynamic-workflows RFC](../rfc/implemented/feature/2026-07-05-dynamic-workflows.md). + +Source: [`packages/workflow/workflow/src/types.ts`](../../packages/workflow/workflow/src/types.ts) + +## The start request + +What a caller asks for when starting a run. The tool layer builds this from the model's `{ script, meta, args }` call plus the calling agent; `meta` and `args` are plain JSON DATA (the engine shape-validates `meta` and rejects loud BEFORE anything runs — no script text is ever evaluated to obtain it). `parent` is REQUIRED — every child the script spawns is attributed to it (cwd, lineage, and depth flow through the [subagent seam](subagent.md)). + +```ts type-equiv +interface WorkflowStartRequest { + script: string + meta: WorkflowMeta + args?: unknown + parent: Agent + signal?: AbortSignal +} +``` + +## The workflow's identity: `WorkflowMeta` + +The identity block carried as data on the start request (the tool's `meta` parameter; the field vocabulary matches the Claude Code dynamic-workflows meta block). `phases` is progress vocabulary only: `phase()` calls match titles for observers; no execution structure is implied. + +```ts type-equiv +interface WorkflowMeta { + name: string + description: string + whenToUse?: string + phases?: WorkflowPhase[] +} +``` + +## The terminal result: `WorkflowResult` + +The outcome of one run, resolved by `WorkflowRun.result`. `value` is the script's materialized return value — plain host-realm JSON data (`null` when the script returned nothing) — meaningful only for `completed`. `stopReason` is a CLOSED union (engine-owned; consumers may exhaust it): `completed` | `cancelled` | `error`. A non-`completed` reason carries the failure in `error`, and the consumer maps it to an `isError` tool result rather than reporting partial output as success. + +```ts type-equiv +interface WorkflowResult { + value: unknown + stopReason: WorkflowStopReason + error?: string + agentsStarted: number +} +``` + +## A live run: `WorkflowRun` + +The handle the consumer holds while a script executes. The consumer awaits `result`, may `cancel` mid-flight, and MUST `dispose` on every path. `result` does NOT reject — a script failure resolves with `stopReason: 'error'` — and once the run is cancelled it SETTLES within the engine's bounded grace even if the script itself never settles (the engine force-settles `cancelled`; the worker-thread engine then terminates the script's worker), so a consumer awaiting `result` is never wedged past a cancellation. `dispose()` = cancel + that bounded settle + child quiescence; it never hangs on a stuck script. + +```ts type-equiv +interface WorkflowRun { + readonly id: WorkflowRunId + readonly meta: WorkflowMeta + readonly result: Promise + cancel(reason?: string): void + dispose(): Promise +} +``` + +## Failure discipline: `WorkflowError.fatal` + +Hook misuse inside a script — bad arguments, unknown/deferred `agent()` options, a schema outside the [structured-output subset](../../packages/core/tools/README.md), a tripped cap, a seam start failure, cancellation — throws a `WorkflowError` with `fatal: true`. The `parallel()`/`pipeline()` combinators RE-THROW fatal errors instead of mapping the item to `null`: a typo'd option must kill the script loudly, never dissolve into something that reads as an ordinary child failure. The per-item `null` is reserved for child-run failures (a non-`completed` stop reason) and ordinary in-stage script errors. + +## Events + +The `workflow/*` events (`workflow/start`, `workflow/phase`, `workflow/log`, `workflow/agent-start`, `workflow/agent-end`, `workflow/end` — see the [events catalog](../cordis-catalog/events.md)) are **observe-only** emits carrying DATA SNAPSHOTS: every payload starts with `WorkflowRunInfo` (id + meta), never the live `WorkflowRun`, so a subscriber cannot gain `cancel`/`dispose`, and `workflow/end` deliberately omits the result value (a listener observing outcomes must not receive a mutable alias of the caller's result). Every emit is per-listener contained — a throwing subscriber is logged, never propagated, and cannot starve the listeners registered after it — and every listener receives its own payload clone, so mutating it corrupts neither the engine nor other listeners; the containment mirrors `subagent/start`/`subagent/end`. diff --git a/docs/development.i18n.yaml b/docs/development.i18n.yaml index ac9ee414b1..c1e557170d 100644 --- a/docs/development.i18n.yaml +++ b/docs/development.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -development.md: 28babca2b59c844690750d767c242c08c37bf702 -development.zh.md: 91b63d7511f856f21162f8ab66eae6e25d925059 +development.md: bd6f6b561480419abea7a42a44b4078e2c59b1cb +development.zh.md: 54bf19765d2b4dc419e6b71684dbcfcd28230541 diff --git a/docs/development.md b/docs/development.md index 28babca2b5..bd6f6b5614 100644 --- a/docs/development.md +++ b/docs/development.md @@ -2,11 +2,11 @@ English | [中文](development.zh.md) -This guide covers the local setup needed to work on DeepSeek Harness and understand the local hooks, daily checks, and CI gates. +This onboarding guide helps project contributors get started with the local environment, daily workflow, and CI flow; see the RFCs for design rationale and technical trade-offs. ## Prerequisites -- Node.js 24 or newer. The repo declares `node >=24`; CI runs the matrix on Node 24 and 26. +- Node.js supports 22.19+ and 24+. CI covers 22.19, 24, and 26; see the [Node engine floor RFC](rfc/implemented/process/2026-07-06-node-engine-floor.md). - Corepack-enabled pnpm. The repo pins `pnpm@11.7.0` in `package.json`; run `corepack enable` if `pnpm --version` does not resolve through Corepack. - Git. - Optional: a DeepSeek API key for the REPL/ACP agent demos and real-API e2e tests. @@ -59,30 +59,17 @@ DEEPSEEK_BASE_URL=https://... # optional lefthook is configured in `lefthook.yml` as an early local checkpoint before review: - `pre-commit` runs staged-file ESLint fixes, `pnpm run typecheck`, and the vendor manifest guard. -- `pre-push` runs `pnpm run test`, `pnpm run test:snapshot`, `pnpm run hygiene`, `pnpm run doc-sync`, and `pnpm run verify-module-graph`. +- `pre-push` runs `pnpm run check:pre-push`, whose scheduler runs unit tests, snapshot tests, build, module-graph freshness, and the member gates of `pnpm run hygiene` and `pnpm run doc-sync` concurrently. The vendor manifest guard checks that changes under `vendor/*/src` are staged with the matching `vendor/README.md` manifest update. See `vendor/README.md` before editing vendored code. -These hooks do not exactly mirror CI. Notably, `pre-push` runs unit tests without coverage, while CI runs `pnpm run test:coverage`; CI also runs echo-agent and built-bin smoke tests and exercises the matrix on Node 24 and 26. +These hooks do not exactly mirror CI. Notably, `pre-push` runs unit tests without coverage, while CI runs `pnpm run test:coverage`; CI also runs echo-agent and built-bin smoke tests and exercises the compatibility matrix on Node 22.19, 24, and 26. ## CI gates -The GitHub workflow runs these gates on each pull request: +The keyless GitHub workflow has eight jobs: five Node 24 lanes run static gates, lint, coverage, snapshot replay, and artifact gates separately, and three compatibility jobs run `pnpm run check:node-compat` on Node 22.19, 24, and 26. The lane schedulers fan out independent gates from `package.json`: constraints, typecheck, lint, coverage, snapshot replay, `doc-sync` members, module-graph freshness, `knip`, and the echo-agent smoke test. -- `pnpm install --frozen-lockfile` -- `pnpm run constraints` -- `pnpm run typecheck` -- `pnpm run lint` -- `pnpm run doc-sync` -- `pnpm run verify-module-graph` -- `pnpm run test:coverage` -- `pnpm run test:snapshot` -- `pnpm run build` -- `pnpm run hygiene` -- an echo-agent smoke test that checks the demo's tool call, tool result, and JSONL output -- built-bin smoke tests that run the published `lib/bin.js` entrypoints under plain `node` - -`pnpm run hygiene` is the local shorthand for `pnpm run knip && pnpm run publint && pnpm run constraints && pnpm run verify-node-next-types`; CI also runs `pnpm run constraints` as an earlier fail-fast step, then runs the full hygiene script after `pnpm run build`. +`pnpm run build` feeds the artifact lane, and `publint`, `verify-node-next-types`, and built-bin smoke tests wait for build output. The separate real-API workflow runs `pnpm run test:e2e` with a secret and `DSH_E2E_MAX_WORKERS=14`. ## Daily commands @@ -96,9 +83,14 @@ pnpm run typecheck # build package/vendor outputs, then typecheck examples, pnpm run lint # eslint . pnpm run lint:fix # eslint . --fix pnpm run doc-typecheck # compile checked TypeScript snippets in Markdown docs -pnpm run gen-cordis-catalog # regenerate docs/cordis-catalog/events-and-services.md from source -pnpm run verify-cordis-catalog # fail if the cordis events/services catalog is stale +pnpm run gen-cordis-catalog # regenerate docs/cordis-catalog/events.md + services.md from source +pnpm run verify-cordis-catalog # fail if either cordis catalog is stale +pnpm run verify-export-jsdoc # fail if a module-level package export lacks complete JSDoc +pnpm run gen-doc-graphs # regenerate generated relationship docs from source and curated graph definitions +pnpm run verify-doc-graphs # fail if generated relationship docs are stale +pnpm run gen-rfc-index # regenerate the docs/rfc/README.md index tables from the RFC tree pnpm run verify-md-wrap # fail on hard-wrapped prose paragraphs in docs/README markdown +pnpm run verify-mermaid # fail if a ```mermaid diagram has invalid Mermaid syntax pnpm run verify-type-equiv # fail if a ```ts type-equiv doc block drifts from its source type pnpm run verify-doc-budgets # fail if a budgeted standing doc exceeds its word ceiling pnpm run doc-sync # all Markdown/doc gates; see the doc-sync script in package.json for the full list @@ -109,7 +101,7 @@ pnpm run verify-node-next-types # fail if built declarations are not NodeNext-c pnpm run hygiene # knip, publint, workspace constraints, and NodeNext declaration check ``` -When changing package public behavior, update the relevant README or JSDoc in the same change. `pnpm run doc-sync` catches checked TypeScript snippets, cordis events/services catalog drift, and hard-wrapped markdown prose, but broader prose/API sync still needs review. +When changing package public behavior, update the relevant README or JSDoc in the same change. `pnpm run doc-sync` catches checked TypeScript snippets, generated doc freshness, markdown wrap/link drift, type equivalence, translation pairing, Mermaid syntax, and doc budgets, but broader prose/API sync still needs review. ## Demos diff --git a/docs/event-producer-consumer.md b/docs/event-producer-consumer.md new file mode 100644 index 0000000000..2515b24801 --- /dev/null +++ b/docs/event-producer-consumer.md @@ -0,0 +1,49 @@ + + +# Event Producer And Consumer Matrix + +This matrix shows which packages dispatch each harness-owned event and which packages listen to it. It is intentionally a table rather than one large graph: events are many-to-many, and dense relation data is easier to review in rows. Dynamic dispatch overrides cover sites that deliberately bypass `ctx.emit`, such as subagent lifecycle containment. + +| Event | Mode | Declared in | Dispatchers | Listeners | +| --- | --- | --- | --- | --- | +| `agent/created` | `emit` | [`packages/core/agent/src/types.ts:265`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`emit`) | [`stdio-agent`](../packages/ui/stdio-agent) | +| `agent/disposed` | `emit` | [`packages/core/agent/src/types.ts:272`](../packages/core/agent/src/types.ts) | [`agent`](../packages/core/agent) (`emit`) | [`stdio-agent`](../packages/ui/stdio-agent) | +| `agent/error` | `emit` | [`packages/core/agent/src/types.ts:476`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | +| `agent/pre-step` | `serial` | [`packages/core/agent/src/types.ts:357`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`serial`) | [`compact-basic`](../packages/compact/compact-basic), [`user-approval`](../packages/ui/user-approval) | +| `agent/prompt-submit` | `waterfall` | [`packages/core/agent/src/types.ts:370`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`acp`](../packages/ui/acp), [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | +| `agent/queued` | `emit` | [`packages/core/agent/src/types.ts:290`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | - | +| `agent/request` | `waterfall` | [`packages/core/agent/src/types.ts:394`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | +| `agent/session-prefix` | `waterfall` | [`packages/core/agent/src/types.ts:441`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`tool-skill`](../packages/skill/tool-skill) | +| `agent/session-start` | `emit` | [`packages/core/agent/src/types.ts:305`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | +| `agent/status` | `emit` | [`packages/core/agent/src/types.ts:281`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard), [`stdio-agent`](../packages/ui/stdio-agent) | +| `agent/step-result` | `waterfall` | [`packages/core/agent/src/types.ts:451`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | - | +| `agent/turn-continuation` | `waterfall` | [`packages/core/agent/src/types.ts:464`](../packages/core/agent/src/types.ts) | [`agent-loop`](../packages/core/agent-loop) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | +| `approval/request` | `waterfall` | [`packages/ui/user-approval/src/index.ts:64`](../packages/ui/user-approval/src/index.ts) | [`user-approval`](../packages/ui/user-approval) (`waterfall`) | [`acp`](../packages/ui/acp) | +| `fs/edit-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:123`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | +| `fs/observed` | `emit` | [`packages/fs/fs/src/index.ts:138`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`emit`) | [`fs-policy`](../packages/fs/fs-policy) | +| `fs/write-intent` | `waterfall` | [`packages/fs/fs/src/index.ts:109`](../packages/fs/fs/src/index.ts) | [`tool-fs`](../packages/fs/tool-fs) (`waterfall`) | [`fs-policy`](../packages/fs/fs-policy) | +| `llm/stream` | `waterfall` | [`packages/llm/llm/src/index.ts:39`](../packages/llm/llm/src/index.ts) | [`llm`](../packages/llm/llm) (`waterfall`) | [`invariants`](../packages/support/invariants), [`llm-replay`](../packages/support/llm-replay) | +| `session/created` | `emit` | [`packages/core/session/src/index.ts:39`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`emit`) | [`invariants`](../packages/support/invariants), [`session-persistence`](../packages/session-persistence/session-persistence) | +| `session/event` | `emit` | [`packages/core/session/src/index.ts:47`](../packages/core/session/src/index.ts) | [`session`](../packages/core/session) (`emit`) | [`acp`](../packages/ui/acp), [`invariants`](../packages/support/invariants), [`session-persistence`](../packages/session-persistence/session-persistence), [`stdio-agent`](../packages/ui/stdio-agent) | +| `session/flush` | `parallel` | [`packages/core/session/src/index.ts:57`](../packages/core/session/src/index.ts) | [`agent-loop`](../packages/core/agent-loop) (`parallel`) | [`session-persistence`](../packages/session-persistence/session-persistence) | +| `skill/provider-added` | `emit` | [`packages/skill/skill/src/index.ts:130`](../packages/skill/skill/src/index.ts) | [`skill`](../packages/skill/skill) (`emit`) | - | +| `skill/provider-removed` | `emit` | [`packages/skill/skill/src/index.ts:136`](../packages/skill/skill/src/index.ts) | [`skill`](../packages/skill/skill) (`emit`) | - | +| `subagent/end` | `emit` | [`packages/subagent/subagent/src/index.ts:98`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`hooks-claude`](../packages/hooks/hooks-claude) | +| `subagent/provider-added` | `emit` | [`packages/subagent/subagent/src/index.ts:72`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`emit`) | [`tool-subagent`](../packages/subagent/tool-subagent) | +| `subagent/provider-removed` | `emit` | [`packages/subagent/subagent/src/index.ts:83`](../packages/subagent/subagent/src/index.ts) | - | [`tool-subagent`](../packages/subagent/tool-subagent) | +| `subagent/start` | `emit` | [`packages/subagent/subagent/src/index.ts:91`](../packages/subagent/subagent/src/index.ts) | [`subagent`](../packages/subagent/subagent) (`events.dispatch`) | [`hooks-claude`](../packages/hooks/hooks-claude) | +| `system-prompt/assemble` | `waterfall` | [`packages/core/system-prompt/src/index.ts:38`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`waterfall`) | - | +| `system-prompt/change` | `emit` | [`packages/core/system-prompt/src/index.ts:44`](../packages/core/system-prompt/src/index.ts) | [`system-prompt`](../packages/core/system-prompt) (`emit`) | - | +| `tools/change` | `emit` | [`packages/core/tools/src/index.ts:135`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`emit`) | - | +| `tools/execute` | `waterfall` | [`packages/core/tools/src/index.ts:114`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`timeout-policy`](../packages/timeout/timeout-policy) | +| `tools/post-execute` | `waterfall` | [`packages/core/tools/src/index.ts:130`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex), [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | +| `tools/pre-execute` | `waterfall` | [`packages/core/tools/src/index.ts:94`](../packages/core/tools/src/index.ts) | [`tools`](../packages/core/tools) (`waterfall`) | [`hooks-claude`](../packages/hooks/hooks-claude), [`hooks-codex`](../packages/hooks/hooks-codex) | +| `workflow/agent-end` | `emit` | [`packages/workflow/workflow/src/index.ts:96`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/agent-start` | `emit` | [`packages/workflow/workflow/src/index.ts:85`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/end` | `emit` | [`packages/workflow/workflow/src/index.ts:106`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/log` | `emit` | [`packages/workflow/workflow/src/index.ts:77`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/phase` | `emit` | [`packages/workflow/workflow/src/index.ts:70`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | +| `workflow/start` | `emit` | [`packages/workflow/workflow/src/index.ts:62`](../packages/workflow/workflow/src/index.ts) | [`workflow`](../packages/workflow/workflow) (`events.dispatch`) | - | + +Maintenance mode: hybrid generated: Cordis event declarations and most producer/listener edges are AST-scanned; dynamic dispatch sites are classified in `scripts/gen-doc-graphs.ts`. diff --git a/docs/graph-atlas.md b/docs/graph-atlas.md new file mode 100644 index 0000000000..60de01ef81 --- /dev/null +++ b/docs/graph-atlas.md @@ -0,0 +1,26 @@ + + +# Documentation Graph Index + +These diagrams are the relationship layer above the generated catalogs. Use them to navigate package topology, capability seams, event flow, model-facing tools, app composition, and runtime lifecycle paths. Exact signatures and type shapes still live in the generated [events](cordis-catalog/events.md) / [services](cordis-catalog/services.md) catalogs, [tool-catalog.md](tool-catalog.md), and [core-data-structures/](core-data-structures/core.md). + +The process decision behind this index is recorded in [the documentation graph RFC](rfc/implemented/process/2026-07-03-documentation-graph-atlas.md). + +| Graph | Mode | +| --- | --- | +| [module dependency graph](module-graph.md) | `generated` | +| [tool schema catalog and package map](tool-catalog.md) | `generated` | +| [capability seams and core services](capability-seams.md) | `hybrid generated` | +| [echo-agent app composition](../examples/echo-agent/composition.md) | `hybrid generated` | +| [coding-agent app composition](../examples/coding-agent/composition.md) | `hybrid generated` | +| [cordis-agent app composition](../examples/cordis-agent/composition.md) | `hybrid generated` | +| [acp-agent app composition](../examples/acp-agent/composition.md) | `hybrid generated` | +| [event producer/consumer matrix](event-producer-consumer.md) | `hybrid generated` | +| [agent turn and step lifecycle](agent-lifecycle.md) | `curated` | +| [tool execution pipeline](tool-execution-pipeline.md) | `curated` | +| [ACP snapshot replay](../packages/ui/acp/snapshot-replay.md) | `curated` | + +Regenerate with `pnpm run gen-doc-graphs`; verify freshness with `pnpm run verify-doc-graphs`. + +Maintenance mode: mixed: each linked page declares generated, hybrid, or curated mode. diff --git a/docs/module-graph.md b/docs/module-graph.md index 452639a90f..7199f523f8 100644 --- a/docs/module-graph.md +++ b/docs/module-graph.md @@ -3,177 +3,370 @@ # Module dependency graph -Inter-package dependencies among the `@deepseek-ai/dsh-*` harness packages, derived from each package's `peerDependencies` (the canonical runtime-dependency signal). An edge `a --> b` means package `a` depends on package `b`. Names have the `@deepseek-ai/dsh-` prefix stripped. +Inter-package dependencies among the `@deepseek-ai/dsh-*` harness packages, derived from each package's `peerDependencies` (the canonical runtime-dependency signal) and grouped by the `packages//` hierarchy. An edge `a --> b` means package `a` depends on package `b`. Names have the `@deepseek-ai/dsh-` prefix stripped. ```mermaid -graph TD - bash --> brand - llm --> brand - bash-local --> bash - fs --> brand - fs --> llm - llm-deepseek --> llm - llm-pi-ai --> llm - session --> brand - session --> llm - system-prompt --> llm - web --> llm - agent --> brand - agent --> llm - agent --> session - compact --> llm - compact --> session - fs-local --> fs - fs-policy --> fs - hook-protocol --> bash - hook-protocol --> session - llm-replay --> llm - llm-replay --> session - session-persistence --> session - web-fetch-local --> web - web-search-deepseek --> web - web-search-exa --> web - web-search-perplexity --> web - compact-basic --> agent - compact-basic --> compact - compact-basic --> llm - compact-basic --> session - invariants --> agent - invariants --> llm - invariants --> session - session-persistence-jsonl --> session - session-persistence-jsonl --> session-persistence - session-persistence-sqlite --> session - session-persistence-sqlite --> session-persistence - tools --> agent - tools --> llm - tools --> system-prompt - ui-stdio --> agent - ui-stdio --> llm - ui-stdio --> session - acp --> agent - acp --> llm - acp --> session - acp --> session-persistence - acp --> tools - agent-loop --> agent - agent-loop --> llm - agent-loop --> session - agent-loop --> session-persistence - agent-loop --> system-prompt - agent-loop --> tools - hooks-codex --> agent - hooks-codex --> hook-protocol - hooks-codex --> llm - hooks-codex --> session - hooks-codex --> tools - subagent --> agent - subagent --> llm - subagent --> tools - tool-bash --> agent - tool-bash --> bash - tool-bash --> llm - tool-bash --> tools - tool-fs --> fs - tool-fs --> llm - tool-fs --> session - tool-fs --> system-prompt - tool-fs --> tools - tool-todo --> agent - tool-todo --> session - tool-todo --> tools - tool-web --> llm - tool-web --> system-prompt - tool-web --> tools - tool-web --> web - agent-core --> agent - agent-core --> agent-loop - agent-core --> invariants - agent-core --> llm - agent-core --> session - agent-core --> system-prompt - agent-core --> tool-bash - agent-core --> tools - hooks-claude --> agent - hooks-claude --> hook-protocol - hooks-claude --> llm - hooks-claude --> session - hooks-claude --> subagent - hooks-claude --> tools - subagent-acp --> agent - subagent-acp --> llm - subagent-acp --> subagent - subagent-inprocess --> agent - subagent-inprocess --> llm - subagent-inprocess --> session - subagent-inprocess --> subagent - subagent-mock --> agent - subagent-mock --> llm - subagent-mock --> subagent - tool-subagent --> agent - tool-subagent --> llm - tool-subagent --> subagent - tool-subagent --> tools - acp-agent --> acp - acp-agent --> agent-core - acp-agent --> session-persistence-jsonl - stdio-agent --> agent - stdio-agent --> agent-core - stdio-agent --> session - stdio-agent --> session-persistence-jsonl - stdio-agent --> ui-stdio - subagent-fork --> agent - subagent-fork --> session - subagent-fork --> subagent - subagent-fork --> subagent-inprocess - subagent-spawn --> subagent - subagent-spawn --> subagent-inprocess +flowchart TD + subgraph group_util["packages/util"] + pkg_brand["brand"] + pkg_timeout["timeout"] + end + subgraph group_llm["packages/llm"] + pkg_llm["llm"] + pkg_llm_deepseek["llm-deepseek"] + pkg_llm_pi_ai["llm-pi-ai"] + end + subgraph group_core["packages/core"] + pkg_agent["agent"] + pkg_agent_core["agent-core"] + pkg_agent_loop["agent-loop"] + pkg_session["session"] + pkg_system_prompt["system-prompt"] + pkg_tools["tools"] + end + subgraph group_bash["packages/bash"] + pkg_bash["bash"] + pkg_bash_local["bash-local"] + pkg_bash_sandbox["bash-sandbox"] + pkg_tool_bash["tool-bash"] + end + subgraph group_fs["packages/fs"] + pkg_fs["fs"] + pkg_fs_local["fs-local"] + pkg_fs_policy["fs-policy"] + pkg_tool_fs["tool-fs"] + end + subgraph group_skill["packages/skill"] + pkg_skill["skill"] + pkg_skill_local["skill-local"] + pkg_tool_skill["tool-skill"] + end + subgraph group_compact["packages/compact"] + pkg_compact["compact"] + pkg_compact_basic["compact-basic"] + end + subgraph group_subagent["packages/subagent"] + pkg_subagent["subagent"] + pkg_subagent_acp["subagent-acp"] + pkg_subagent_fork["subagent-fork"] + pkg_subagent_inprocess["subagent-inprocess"] + pkg_subagent_spawn["subagent-spawn"] + pkg_subagent_subprocess["subagent-subprocess"] + pkg_tool_subagent["tool-subagent"] + end + subgraph group_web["packages/web"] + pkg_tool_web["tool-web"] + pkg_web["web"] + pkg_web_fetch_local["web-fetch-local"] + pkg_web_search_deepseek["web-search-deepseek"] + pkg_web_search_exa["web-search-exa"] + pkg_web_search_perplexity["web-search-perplexity"] + end + subgraph group_timeout["packages/timeout"] + pkg_timeout_policy["timeout-policy"] + end + subgraph group_todo["packages/todo"] + pkg_tool_todo["tool-todo"] + end + subgraph group_cordis["packages/cordis"] + pkg_tool_cordis["tool-cordis"] + end + subgraph group_hooks["packages/hooks"] + pkg_hook_protocol["hook-protocol"] + pkg_hooks_claude["hooks-claude"] + pkg_hooks_codex["hooks-codex"] + end + subgraph group_session_persistence["packages/session-persistence"] + pkg_session_persistence["session-persistence"] + pkg_session_persistence_jsonl["session-persistence-jsonl"] + pkg_session_persistence_sqlite["session-persistence-sqlite"] + end + subgraph group_support["packages/support"] + pkg_acp_snapshot["acp-snapshot"] + pkg_invariants["invariants"] + pkg_llm_replay["llm-replay"] + pkg_subagent_mock["subagent-mock"] + end + subgraph group_ui["packages/ui"] + pkg_acp["acp"] + pkg_acp_agent["acp-agent"] + pkg_app_boot["app-boot"] + pkg_stdio_agent["stdio-agent"] + pkg_tool_ask_user["tool-ask-user"] + pkg_user_approval["user-approval"] + pkg_user_interaction["user-interaction"] + end + subgraph group_code_runtime["packages/code-runtime"] + pkg_code_runtime["code-runtime"] + pkg_code_runtime_worker["code-runtime-worker"] + end + subgraph group_guard["packages/guard"] + pkg_repeat_tool_guard["repeat-tool-guard"] + end + subgraph group_sandbox["packages/sandbox"] + pkg_sandbox["sandbox"] + pkg_sandbox_local["sandbox-local"] + end + subgraph group_workflow["packages/workflow"] + pkg_tool_workflow["tool-workflow"] + pkg_workflow["workflow"] + pkg_workflow_workerthread["workflow-workerthread"] + end + pkg_llm --> pkg_brand + pkg_code_runtime_worker --> pkg_code_runtime + pkg_llm_deepseek --> pkg_llm + pkg_llm_pi_ai --> pkg_llm + pkg_session --> pkg_brand + pkg_session --> pkg_llm + pkg_system_prompt --> pkg_llm + pkg_fs --> pkg_brand + pkg_fs --> pkg_llm + pkg_web --> pkg_llm + pkg_sandbox --> pkg_llm + pkg_agent --> pkg_brand + pkg_agent --> pkg_llm + pkg_agent --> pkg_session + pkg_agent --> pkg_system_prompt + pkg_bash --> pkg_brand + pkg_bash --> pkg_sandbox + pkg_bash --> pkg_session + pkg_fs_local --> pkg_fs + pkg_fs_policy --> pkg_fs + pkg_skill_local --> pkg_fs + pkg_skill_local --> pkg_skill + pkg_compact --> pkg_llm + pkg_compact --> pkg_session + pkg_web_fetch_local --> pkg_timeout + pkg_web_fetch_local --> pkg_web + pkg_web_search_deepseek --> pkg_web + pkg_web_search_exa --> pkg_web + pkg_web_search_perplexity --> pkg_web + pkg_session_persistence --> pkg_session + pkg_llm_replay --> pkg_llm + pkg_llm_replay --> pkg_session + pkg_sandbox_local --> pkg_llm + pkg_sandbox_local --> pkg_sandbox + pkg_bash_local --> pkg_bash + pkg_bash_local --> pkg_timeout + pkg_compact_basic --> pkg_agent + pkg_compact_basic --> pkg_compact + pkg_compact_basic --> pkg_llm + pkg_compact_basic --> pkg_session + pkg_hook_protocol --> pkg_bash + pkg_hook_protocol --> pkg_session + pkg_session_persistence_jsonl --> pkg_session + pkg_session_persistence_jsonl --> pkg_session_persistence + pkg_session_persistence_sqlite --> pkg_session + pkg_session_persistence_sqlite --> pkg_session_persistence + pkg_invariants --> pkg_agent + pkg_invariants --> pkg_llm + pkg_invariants --> pkg_session + pkg_user_approval --> pkg_agent + pkg_user_approval --> pkg_brand + pkg_user_approval --> pkg_llm + pkg_user_approval --> pkg_session + pkg_user_approval --> pkg_system_prompt + pkg_user_interaction --> pkg_agent + pkg_user_interaction --> pkg_llm + pkg_workflow --> pkg_agent + pkg_workflow --> pkg_brand + pkg_workflow --> pkg_llm + pkg_tools --> pkg_agent + pkg_tools --> pkg_code_runtime + pkg_tools --> pkg_llm + pkg_tools --> pkg_session + pkg_tools --> pkg_system_prompt + pkg_tools --> pkg_user_approval + pkg_bash_sandbox --> pkg_bash + pkg_bash_sandbox --> pkg_bash_local + pkg_bash_sandbox --> pkg_sandbox + pkg_agent_loop --> pkg_agent + pkg_agent_loop --> pkg_llm + pkg_agent_loop --> pkg_session + pkg_agent_loop --> pkg_session_persistence + pkg_agent_loop --> pkg_system_prompt + pkg_agent_loop --> pkg_tools + pkg_tool_bash --> pkg_agent + pkg_tool_bash --> pkg_bash + pkg_tool_bash --> pkg_llm + pkg_tool_bash --> pkg_sandbox + pkg_tool_bash --> pkg_system_prompt + pkg_tool_bash --> pkg_tools + pkg_tool_bash --> pkg_user_approval + pkg_tool_fs --> pkg_fs + pkg_tool_fs --> pkg_llm + pkg_tool_fs --> pkg_session + pkg_tool_fs --> pkg_system_prompt + pkg_tool_fs --> pkg_tools + pkg_tool_skill --> pkg_agent + pkg_tool_skill --> pkg_llm + pkg_tool_skill --> pkg_skill + pkg_tool_skill --> pkg_tools + pkg_subagent --> pkg_agent + pkg_subagent --> pkg_llm + pkg_subagent --> pkg_tools + pkg_tool_web --> pkg_llm + pkg_tool_web --> pkg_system_prompt + pkg_tool_web --> pkg_tools + pkg_tool_web --> pkg_web + pkg_timeout_policy --> pkg_llm + pkg_timeout_policy --> pkg_timeout + pkg_timeout_policy --> pkg_tools + pkg_tool_todo --> pkg_agent + pkg_tool_todo --> pkg_session + pkg_tool_todo --> pkg_tools + pkg_tool_cordis --> pkg_tools + pkg_hooks_codex --> pkg_agent + pkg_hooks_codex --> pkg_hook_protocol + pkg_hooks_codex --> pkg_llm + pkg_hooks_codex --> pkg_session + pkg_hooks_codex --> pkg_tools + pkg_acp --> pkg_agent + pkg_acp --> pkg_bash + pkg_acp --> pkg_llm + pkg_acp --> pkg_sandbox + pkg_acp --> pkg_session + pkg_acp --> pkg_session_persistence + pkg_acp --> pkg_tools + pkg_acp --> pkg_user_approval + pkg_acp --> pkg_user_interaction + pkg_tool_ask_user --> pkg_agent + pkg_tool_ask_user --> pkg_tools + pkg_tool_ask_user --> pkg_user_interaction + pkg_repeat_tool_guard --> pkg_agent + pkg_repeat_tool_guard --> pkg_tools + pkg_tool_workflow --> pkg_agent + pkg_tool_workflow --> pkg_llm + pkg_tool_workflow --> pkg_system_prompt + pkg_tool_workflow --> pkg_tools + pkg_tool_workflow --> pkg_workflow + pkg_agent_core --> pkg_agent + pkg_agent_core --> pkg_agent_loop + pkg_agent_core --> pkg_invariants + pkg_agent_core --> pkg_llm + pkg_agent_core --> pkg_session + pkg_agent_core --> pkg_skill + pkg_agent_core --> pkg_skill_local + pkg_agent_core --> pkg_system_prompt + pkg_agent_core --> pkg_tool_bash + pkg_agent_core --> pkg_tool_skill + pkg_agent_core --> pkg_tools + pkg_subagent_acp --> pkg_agent + pkg_subagent_acp --> pkg_llm + pkg_subagent_acp --> pkg_subagent + pkg_subagent_acp --> pkg_subagent_subprocess + pkg_subagent_inprocess --> pkg_agent + pkg_subagent_inprocess --> pkg_llm + pkg_subagent_inprocess --> pkg_session + pkg_subagent_inprocess --> pkg_subagent + pkg_subagent_inprocess --> pkg_system_prompt + pkg_subagent_inprocess --> pkg_tools + pkg_tool_subagent --> pkg_agent + pkg_tool_subagent --> pkg_llm + pkg_tool_subagent --> pkg_subagent + pkg_tool_subagent --> pkg_tools + pkg_hooks_claude --> pkg_agent + pkg_hooks_claude --> pkg_hook_protocol + pkg_hooks_claude --> pkg_llm + pkg_hooks_claude --> pkg_session + pkg_hooks_claude --> pkg_subagent + pkg_hooks_claude --> pkg_tools + pkg_subagent_mock --> pkg_agent + pkg_subagent_mock --> pkg_llm + pkg_subagent_mock --> pkg_subagent + pkg_workflow_workerthread --> pkg_agent + pkg_workflow_workerthread --> pkg_brand + pkg_workflow_workerthread --> pkg_llm + pkg_workflow_workerthread --> pkg_subagent + pkg_workflow_workerthread --> pkg_tools + pkg_workflow_workerthread --> pkg_workflow + pkg_subagent_fork --> pkg_agent + pkg_subagent_fork --> pkg_session + pkg_subagent_fork --> pkg_subagent + pkg_subagent_fork --> pkg_subagent_inprocess + pkg_subagent_spawn --> pkg_subagent + pkg_subagent_spawn --> pkg_subagent_inprocess + pkg_acp_agent --> pkg_acp + pkg_acp_agent --> pkg_agent_core + pkg_acp_agent --> pkg_app_boot + pkg_acp_agent --> pkg_session_persistence_jsonl + pkg_acp_agent --> pkg_tools + pkg_acp_agent --> pkg_user_interaction + pkg_stdio_agent --> pkg_agent + pkg_stdio_agent --> pkg_agent_core + pkg_stdio_agent --> pkg_app_boot + pkg_stdio_agent --> pkg_llm + pkg_stdio_agent --> pkg_session + pkg_stdio_agent --> pkg_session_persistence_jsonl + pkg_stdio_agent --> pkg_tool_ask_user + pkg_stdio_agent --> pkg_tools + pkg_stdio_agent --> pkg_user_interaction ``` -| Package | Depends on | -| --- | --- | -| `brand` | — | -| `bash` | `brand` | -| `llm` | `brand` | -| `bash-local` | `bash` | -| `fs` | `brand`, `llm` | -| `llm-deepseek` | `llm` | -| `llm-pi-ai` | `llm` | -| `session` | `brand`, `llm` | -| `system-prompt` | `llm` | -| `web` | `llm` | -| `agent` | `brand`, `llm`, `session` | -| `compact` | `llm`, `session` | -| `fs-local` | `fs` | -| `fs-policy` | `fs` | -| `hook-protocol` | `bash`, `session` | -| `llm-replay` | `llm`, `session` | -| `session-persistence` | `session` | -| `web-fetch-local` | `web` | -| `web-search-deepseek` | `web` | -| `web-search-exa` | `web` | -| `web-search-perplexity` | `web` | -| `compact-basic` | `agent`, `compact`, `llm`, `session` | -| `invariants` | `agent`, `llm`, `session` | -| `session-persistence-jsonl` | `session`, `session-persistence` | -| `session-persistence-sqlite` | `session`, `session-persistence` | -| `tools` | `agent`, `llm`, `system-prompt` | -| `ui-stdio` | `agent`, `llm`, `session` | -| `acp` | `agent`, `llm`, `session`, `session-persistence`, `tools` | -| `agent-loop` | `agent`, `llm`, `session`, `session-persistence`, `system-prompt`, `tools` | -| `hooks-codex` | `agent`, `hook-protocol`, `llm`, `session`, `tools` | -| `subagent` | `agent`, `llm`, `tools` | -| `tool-bash` | `agent`, `bash`, `llm`, `tools` | -| `tool-fs` | `fs`, `llm`, `session`, `system-prompt`, `tools` | -| `tool-todo` | `agent`, `session`, `tools` | -| `tool-web` | `llm`, `system-prompt`, `tools`, `web` | -| `agent-core` | `agent`, `agent-loop`, `invariants`, `llm`, `session`, `system-prompt`, `tool-bash`, `tools` | -| `hooks-claude` | `agent`, `hook-protocol`, `llm`, `session`, `subagent`, `tools` | -| `subagent-acp` | `agent`, `llm`, `subagent` | -| `subagent-inprocess` | `agent`, `llm`, `session`, `subagent` | -| `subagent-mock` | `agent`, `llm`, `subagent` | -| `tool-subagent` | `agent`, `llm`, `subagent`, `tools` | -| `acp-agent` | `acp`, `agent-core`, `session-persistence-jsonl` | -| `stdio-agent` | `agent`, `agent-core`, `session`, `session-persistence-jsonl`, `ui-stdio` | -| `subagent-fork` | `agent`, `session`, `subagent`, `subagent-inprocess` | -| `subagent-spawn` | `subagent`, `subagent-inprocess` | +| Package | Group | Depends on | +| --- | --- | --- | +| [`brand`](../packages/util/brand) | `util` | — | +| [`timeout`](../packages/util/timeout) | `util` | — | +| [`skill`](../packages/skill/skill) | `skill` | — | +| [`subagent-subprocess`](../packages/subagent/subagent-subprocess) | `subagent` | — | +| [`acp-snapshot`](../packages/support/acp-snapshot) | `support` | — | +| [`app-boot`](../packages/ui/app-boot) | `ui` | — | +| [`code-runtime`](../packages/code-runtime/code-runtime) | `code-runtime` | — | +| [`llm`](../packages/llm/llm) | `llm` | [`brand`](../packages/util/brand) | +| [`code-runtime-worker`](../packages/code-runtime/code-runtime-worker) | `code-runtime` | [`code-runtime`](../packages/code-runtime/code-runtime) | +| [`llm-deepseek`](../packages/llm/llm-deepseek) | `llm` | [`llm`](../packages/llm/llm) | +| [`llm-pi-ai`](../packages/llm/llm-pi-ai) | `llm` | [`llm`](../packages/llm/llm) | +| [`session`](../packages/core/session) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | +| [`system-prompt`](../packages/core/system-prompt) | `core` | [`llm`](../packages/llm/llm) | +| [`fs`](../packages/fs/fs) | `fs` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | +| [`web`](../packages/web/web) | `web` | [`llm`](../packages/llm/llm) | +| [`sandbox`](../packages/sandbox/sandbox) | `sandbox` | [`llm`](../packages/llm/llm) | +| [`agent`](../packages/core/agent) | `core` | [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | +| [`bash`](../packages/bash/bash) | `bash` | [`brand`](../packages/util/brand), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session) | +| [`fs-local`](../packages/fs/fs-local) | `fs` | [`fs`](../packages/fs/fs) | +| [`fs-policy`](../packages/fs/fs-policy) | `fs` | [`fs`](../packages/fs/fs) | +| [`skill-local`](../packages/skill/skill-local) | `skill` | [`fs`](../packages/fs/fs), [`skill`](../packages/skill/skill) | +| [`compact`](../packages/compact/compact) | `compact` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | +| [`web-fetch-local`](../packages/web/web-fetch-local) | `web` | [`timeout`](../packages/util/timeout), [`web`](../packages/web/web) | +| [`web-search-deepseek`](../packages/web/web-search-deepseek) | `web` | [`web`](../packages/web/web) | +| [`web-search-exa`](../packages/web/web-search-exa) | `web` | [`web`](../packages/web/web) | +| [`web-search-perplexity`](../packages/web/web-search-perplexity) | `web` | [`web`](../packages/web/web) | +| [`session-persistence`](../packages/session-persistence/session-persistence) | `session-persistence` | [`session`](../packages/core/session) | +| [`llm-replay`](../packages/support/llm-replay) | `support` | [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | +| [`sandbox-local`](../packages/sandbox/sandbox-local) | `sandbox` | [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox) | +| [`bash-local`](../packages/bash/bash-local) | `bash` | [`bash`](../packages/bash/bash), [`timeout`](../packages/util/timeout) | +| [`compact-basic`](../packages/compact/compact-basic) | `compact` | [`agent`](../packages/core/agent), [`compact`](../packages/compact/compact), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | +| [`hook-protocol`](../packages/hooks/hook-protocol) | `hooks` | [`bash`](../packages/bash/bash), [`session`](../packages/core/session) | +| [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | +| [`session-persistence-sqlite`](../packages/session-persistence/session-persistence-sqlite) | `session-persistence` | [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence) | +| [`invariants`](../packages/support/invariants) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session) | +| [`user-approval`](../packages/ui/user-approval) | `ui` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt) | +| [`user-interaction`](../packages/ui/user-interaction) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm) | +| [`workflow`](../packages/workflow/workflow) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm) | +| [`tools`](../packages/core/tools) | `core` | [`agent`](../packages/core/agent), [`code-runtime`](../packages/code-runtime/code-runtime), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`user-approval`](../packages/ui/user-approval) | +| [`bash-sandbox`](../packages/bash/bash-sandbox) | `bash` | [`bash`](../packages/bash/bash), [`bash-local`](../packages/bash/bash-local), [`sandbox`](../packages/sandbox/sandbox) | +| [`agent-loop`](../packages/core/agent-loop) | `core` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | +| [`tool-bash`](../packages/bash/tool-bash) | `bash` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval) | +| [`tool-fs`](../packages/fs/tool-fs) | `fs` | [`fs`](../packages/fs/fs), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | +| [`tool-skill`](../packages/skill/tool-skill) | `skill` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`skill`](../packages/skill/skill), [`tools`](../packages/core/tools) | +| [`subagent`](../packages/subagent/subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`tools`](../packages/core/tools) | +| [`tool-web`](../packages/web/tool-web) | `web` | [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`web`](../packages/web/web) | +| [`timeout-policy`](../packages/timeout/timeout-policy) | `timeout` | [`llm`](../packages/llm/llm), [`timeout`](../packages/util/timeout), [`tools`](../packages/core/tools) | +| [`tool-todo`](../packages/todo/tool-todo) | `todo` | [`agent`](../packages/core/agent), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | +| [`tool-cordis`](../packages/cordis/tool-cordis) | `cordis` | [`tools`](../packages/core/tools) | +| [`hooks-codex`](../packages/hooks/hooks-codex) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`tools`](../packages/core/tools) | +| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`bash`](../packages/bash/bash), [`llm`](../packages/llm/llm), [`sandbox`](../packages/sandbox/sandbox), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval), [`user-interaction`](../packages/ui/user-interaction) | +| [`tool-ask-user`](../packages/ui/tool-ask-user) | `ui` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | +| [`repeat-tool-guard`](../packages/guard/repeat-tool-guard) | `guard` | [`agent`](../packages/core/agent), [`tools`](../packages/core/tools) | +| [`tool-workflow`](../packages/workflow/tool-workflow) | `workflow` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools), [`workflow`](../packages/workflow/workflow) | +| [`agent-core`](../packages/core/agent-core) | `core` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`skill`](../packages/skill/skill), [`skill-local`](../packages/skill/skill-local), [`system-prompt`](../packages/core/system-prompt), [`tool-bash`](../packages/bash/tool-bash), [`tool-skill`](../packages/skill/tool-skill), [`tools`](../packages/core/tools) | +| [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`subagent-subprocess`](../packages/subagent/subagent-subprocess) | +| [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) | +| [`tool-subagent`](../packages/subagent/tool-subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | +| [`hooks-claude`](../packages/hooks/hooks-claude) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) | +| [`subagent-mock`](../packages/support/subagent-mock) | `support` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent) | +| [`workflow-workerthread`](../packages/workflow/workflow-workerthread) | `workflow` | [`agent`](../packages/core/agent), [`brand`](../packages/util/brand), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools), [`workflow`](../packages/workflow/workflow) | +| [`subagent-fork`](../packages/subagent/subagent-fork) | `subagent` | [`agent`](../packages/core/agent), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | +| [`subagent-spawn`](../packages/subagent/subagent-spawn) | `subagent` | [`subagent`](../packages/subagent/subagent), [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | +| [`acp-agent`](../packages/ui/acp-agent) | `ui` | [`acp`](../packages/ui/acp), [`agent-core`](../packages/core/agent-core), [`app-boot`](../packages/ui/app-boot), [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | +| [`stdio-agent`](../packages/ui/stdio-agent) | `ui` | [`agent`](../packages/core/agent), [`agent-core`](../packages/core/agent-core), [`app-boot`](../packages/ui/app-boot), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence-jsonl`](../packages/session-persistence/session-persistence-jsonl), [`tool-ask-user`](../packages/ui/tool-ask-user), [`tools`](../packages/core/tools), [`user-interaction`](../packages/ui/user-interaction) | diff --git a/docs/persistence-catalog.md b/docs/persistence-catalog.md new file mode 100644 index 0000000000..289b3c4755 --- /dev/null +++ b/docs/persistence-catalog.md @@ -0,0 +1,320 @@ + + +# Persistence Log Event Catalog + +Every event type that can appear in a session's durable event log: each member of the merge-extensible `SessionEventMap` — the owning vocabulary in `@deepseek-ai/dsh-session` plus every plugin declaration merge in this repo — with the payload it carries, its surface badge, and the declaration it comes from. It complements [session.md](core-data-structures/session.md) (the `SessionEvent` envelope, surface list, and `deriveMessages()` projection), [persistence.md](core-data-structures/persistence.md) (how the log is made durable), and the [cordis events catalog](cordis-catalog/events.md) (the live bus wiring — a log event is NOT a cordis event; it reaches listeners via the single `session/event` emit). + +This file is GENERATED from source (`scripts/gen-persistence-catalog.ts`) and verified fresh by `pnpm run verify-persistence-catalog` (part of `doc-sync`) — do not edit it by hand. Payload blocks use a `ts persistence-catalog` fence (skipped by doc-typecheck, since a bare payload fragment is not standalone-compilable). Type names in a payload link to the page that documents them. See [the persistence-log-catalog RFC](rfc/implemented/process/2026-07-04-persistence-log-catalog.md). + +The on-disk envelope around every payload is `SessionEvent` — `type`, monotonic `seq`, epoch-ms `time`, the `data` documented here, plus `surfaceOp`/`sourceEventSeqs` on **surface** events only ([envelope](core-data-structures/session.md#sessioneventt--one-log-entry)). **surface** marks a `SurfaceEventType` member: it produces an LLM message and declares how it joins the surface list. **log-only** marks everything else: durable, replayable record with no derived-history contribution. Every payload is JSON-serializable (enforced at `Session.append`), and the whole format is pinned at `SESSION_FORMAT_VERSION = 0` — pre-release, no compatibility implied ([the version stance](core-data-structures/persistence.md)). Scope: the packages in this repo; a downstream plugin can merge further event types, which are outside this catalog by construction. + +## Events + +### `approval/*` + +#### `approval/asked` — log-only + +An approval question was put to the answerer chain — log-only audit (like `hook/*`; NOT a surface event, carries no `surfaceOp`). `id` pairs it with the `approval/decided` that always follows; `toolName` is the tool the question is about, `callId` the exact tool call when the asker had one, `reason` the asker's human-readable explanation (e.g. a hook's permission-decision reason). + +```ts persistence-catalog +'approval/asked': { id: ApprovalRequestId; toolName: string; callId?: CallId; reason?: string } +``` + +Types: [CallId](core-data-structures/core.md) + +Source: [`packages/ui/user-approval/src/index.ts:78`](../packages/ui/user-approval/src/index.ts) + +#### `approval/decided` — log-only + +The outcome of a prior `approval/asked` (same `id`) — log-only audit. Exactly one per ask, appended when the outcome is known: a decision, a cancellation, or the fail-closed `'unavailable'`. + +```ts persistence-catalog +'approval/decided': { id: ApprovalRequestId; outcome: ApprovalOutcome } +``` + +Source: [`packages/ui/user-approval/src/index.ts:89`](../packages/ui/user-approval/src/index.ts) + +#### `approval/policy` — log-only + +The session's approval policy was switched — log-only, durable, replayable, never in the model transcript (the model learns the policy from the prompt section and the narrator's notices). The LAST such event is the session's override (effectiveApprovalPolicy); who asked for it is derivable from position (an event after the log's last `request/header*` was a runtime switch by the user). + +```ts persistence-catalog +'approval/policy': { policy: ApprovalPolicy } +``` + +Source: [`packages/ui/user-approval/src/index.ts:101`](../packages/ui/user-approval/src/index.ts) + +### `assistant/*` + +#### `assistant/chunk` — log-only + +Raw stream chunk — token-level replay fidelity. + +```ts persistence-catalog +'assistant/chunk': { turn: number; step: number; chunk: StreamChunk } +``` + +Types: [StreamChunk](core-data-structures/llm-streaming.md) + +Source: [`packages/core/session/src/types.ts:313`](../packages/core/session/src/types.ts) + +#### `assistant/message` — surface + +Assembled assistant message for one step (derived history uses this). Carries the step's `usage` when the adapter reported token accounting, so the model output and its accounting travel together (there is no separate usage record). `usage` is absent when the adapter reported none. + +```ts persistence-catalog +'assistant/message': { turn: number; step: number; content: ContentBlock[]; usage?: TokenUsage } +``` + +Types: [ContentBlock](core-data-structures/core.md) · [TokenUsage](core-data-structures/llm-streaming.md) + +Source: [`packages/core/session/src/types.ts:320`](../packages/core/session/src/types.ts) + +### `bash/*` + +#### `bash/sandbox-mode` — log-only + +The session's sandbox mode was switched — log-only (like `approval/*`; NOT a surface event, carries no `surfaceOp`): durable and replayable, never in the model transcript. The LAST such event is the session's override (effectiveSandboxMode); who asked for it is derivable from position (an event after the log's last `request/header*` was a runtime switch by the user; see the tool layer's narrator). + +```ts persistence-catalog +'bash/sandbox-mode': { mode: SandboxMode } +``` + +Source: [`packages/bash/bash/src/session-mode.ts:31`](../packages/bash/bash/src/session-mode.ts) + +### `compact/*` + +#### `compact/end` — log-only + +Marks the end of a compaction — log-only, releases the lock. `error` set if summarization failed. + +```ts persistence-catalog +'compact/end': { turn: number; error?: string } +``` + +Source: [`packages/compact/compact/src/types.ts:46`](../packages/compact/compact/src/types.ts) + +#### `compact/start` — log-only + +Marks the start of a compaction — log-only, holds the lock until `compact/end`. + +```ts persistence-catalog +'compact/start': { turn: number } +``` + +Source: [`packages/compact/compact/src/types.ts:23`](../packages/compact/compact/src/types.ts) + +#### `compact/summary` — log-only + +Provenance record of a completed summarization — log-only, no surfaceOp. The summary content is in `data.summary`; the actual surface replacement is performed by a subsequent `user/message` event that shadows the compacted range. + +```ts persistence-catalog +'compact/summary': { summary: ContentBlock[]; shadowedRange: { start: number; end: number }; shadowedSeqs: number[]; shadowedTokenCount: number; model: string; maxTokens?: number } +``` + +Types: [ContentBlock](core-data-structures/core.md) + +Source: [`packages/compact/compact/src/types.ts:30`](../packages/compact/compact/src/types.ts) + +### `context/*` + +#### `context/message` — surface + +In-session context injection (file-change notices, subdir AGENTS.md, skill content, cron notifications, …). Rendered into the derived history as tagged synthetic context — NOT a user prompt. + +```ts persistence-catalog +'context/message': { content: ContentBlock[]; source: MessageSource } +``` + +Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md) + +Source: [`packages/core/session/src/types.ts:311`](../packages/core/session/src/types.ts) + +### `hook/*` + +#### `hook/invoked` — log-only + +A hook command was invoked at a hook point — log-only provenance (like `compact/*`; NOT a SurfaceEventType, carries no `surfaceOp`). `dialect` is the bridge that ran it (`claude`/`codex`), `point` the hook point (`PreToolUse`, `Stop`, …), `matcher` the matcher-group pattern that selected it (absent for match-all), `handlerId` a stable id for the command (so an invoked/result pair correlates). `turn` is the open turn the invocation lives inside. + +```ts persistence-catalog +'hook/invoked': { turn: number; point: string; dialect: HookDialect; matcher?: string; handlerId: string } +``` + +Source: [`packages/hooks/hook-protocol/src/types.ts:27`](../packages/hooks/hook-protocol/src/types.ts) + +#### `hook/result` — log-only + +A hook command's outcome — log-only, paired with a prior `hook/invoked` (same `handlerId`). `decision` is the dialect-neutral outcome derived by `appendHookResult` (which owns the rule): the hook's parsed decision (`approve`/`allow`/`block`/`deny`/`ask`), else `'stop'` when it asked to halt via `continue:false`, else `'pass'`. `exitCode` is the process exit (absent if it never ran), `stderrSummary` the trimmed stderr truncated to the bridge's configured cap (the block reason source on exit 2), `durationMs` the wall-clock runtime (audit timing; snapshot replay normalizes it). `turn` matches the `hook/invoked`. + +```ts persistence-catalog +'hook/result': { turn: number; point: string; handlerId: string; decision: string; exitCode?: number; stderrSummary?: string; durationMs: number } +``` + +Source: [`packages/hooks/hook-protocol/src/types.ts:45`](../packages/hooks/hook-protocol/src/types.ts) + +### `prompt/*` + +#### `prompt/blocked` — log-only + +A queued prompt an `agent/prompt-submit` listener VETOED — the durable record of a blocked prompt and why. Appended in place of the `user/message` the prompt would have become, so the block survives replay even in a MIXED batch where another queued prompt is allowed (there the turn does not end `rejected`, so the boundary reason alone would not preserve it). `content` is the original prompt the listener rejected; `reason` is the veto text (PromptDecision `block.reason`). NOT a SurfaceEventType: a blocked prompt produces no LLM message and never reaches `deriveMessages()`. + +```ts persistence-catalog +'prompt/blocked': { content: ContentBlock[]; source: MessageSource; reason: string } +``` + +Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md) + +Source: [`packages/core/session/src/types.ts:305`](../packages/core/session/src/types.ts) + +### `request/*` + +#### `request/header` — log-only + +Full snapshot of the EpochHeader the NEXT request is built under, with the RequestHeaderReason it was recorded whole. Appended by the loop inside the step, before dispatch, on a loop instance's first request-building step (`'initial'`/`'resume'`) or when a delta failed its round-trip guard (`'fallback'`); always records what the request actually used, post-`agent/request`. Anchors the header fold: reconstruction reads the latest snapshot and applies the deltas after it. NOT a SurfaceEventType: it produces no LLM message — it is the request envelope, logged so every request is a pure function of the session log (the reconstructability RFC). + +```ts persistence-catalog +'request/header': { header: EpochHeader; reason: RequestHeaderReason } +``` + +Source: [`packages/core/session/src/types.ts:365`](../packages/core/session/src/types.ts) + +#### `request/header-delta` — log-only + +Amendment to the folded EpochHeader: at least one of a SystemDelta, a ToolsDelta, a whole replacement LlmCallConfig (four scalars — not worth diffing), or a whole replacement session prefix (`messagePrefix` — small advisory content, replaced whole; an EMPTY array encodes the transition to "none", mirroring the canonical form's absent field — the loop never produces one in practice: the prefix is composed once per instance and anchored by that instance's snapshot, so this arm exists for codec totality). Appended by the loop inside the step, before dispatch, when the header for this request differs from the fold of the log so far; the writer verifies `applyHeaderDelta(previous, delta)` reproduces the new header exactly and falls back to a `'fallback'` `request/header` snapshot when it cannot, so a logged delta ALWAYS round-trips. NOT a SurfaceEventType. + +```ts persistence-catalog +'request/header-delta': { system?: SystemDelta; tools?: ToolsDelta; config?: LlmCallConfig; messagePrefix?: Message[] } +``` + +Source: [`packages/core/session/src/types.ts:382`](../packages/core/session/src/types.ts) + +### `steering/*` + +#### `steering/message` — surface + +Steering content injected between steps of a running turn. + +```ts persistence-catalog +'steering/message': { turn: number; content: ContentBlock[]; source: MessageSource } +``` + +Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md) + +Source: [`packages/core/session/src/types.ts:338`](../packages/core/session/src/types.ts) + +### `step/*` + +#### `step/end` — log-only + +Closes step `step` of turn `turn`. + +```ts persistence-catalog +'step/end': { turn: number; step: number } +``` + +Source: [`packages/core/session/src/types.ts:292`](../packages/core/session/src/types.ts) + +#### `step/start` — log-only + +Opens step `step` of turn `turn` — one model call plus the tool executions it requested. + +```ts persistence-catalog +'step/start': { turn: number; step: number } +``` + +Source: [`packages/core/session/src/types.ts:290`](../packages/core/session/src/types.ts) + +### `todo/*` + +#### `todo/write` — log-only + +The agent's whole todo list, carried as a full snapshot and replaced wholesale on each write — the current list is the most recent `todo/write` (last-write-wins on replay, no fold). Appended by an owning agent via `session.append('todo/write', { todos })`. + +NOT a SurfaceEventType: it produces no LLM message and never reaches `deriveMessages()`, so it carries no `surfaceOp` and stays off the surface — it is durable, replayable UI state, distinct from the conversation history. It is a `SessionEventMap` member riding the existing `session/event` emit, not a first-class Cordis `interface Events` notification, so it has no cordis-catalog row. + +```ts persistence-catalog +'todo/write': { todos: TodoItem[] } +``` + +Types: [TodoItem](core-data-structures/session.md) + +Source: [`packages/core/session/src/types.ts:352`](../packages/core/session/src/types.ts) + +### `tool/*` + +#### `tool/call` — log-only + +The model requested one tool invocation: `name` with the raw `arguments` JSON string exactly as the model produced it (unparsed). `callId` pairs the call with its `tool/result`. + +```ts persistence-catalog +'tool/call': { turn: number; step: number; callId: CallId; name: string; arguments: string } +``` + +Types: [CallId](core-data-structures/core.md) + +Source: [`packages/core/session/src/types.ts:326`](../packages/core/session/src/types.ts) + +#### `tool/code-dispatch` — log-only + +One bridged sub-dispatch from a `run_code` program: the parent `run_code` call id, the deterministic sub-call id (`:code:`), the tool `name` with its JSON-normalized `arguments` — the exact value dispatched, normalized BEFORE dispatch, so this append can never fail on payload shape — whether the sub-call errored, and a bounded `resultSummary` of its model-facing text. Log-only: `deriveMessages()` ignores it, so sub-calls never re-enter model context; persistence and UIs get every call. Appended inside the parent `run_code`'s execution (the bridge drains its queue before returning), so the turn-enclosure invariant holds by construction. + +```ts persistence-catalog +'tool/code-dispatch': { parentCallId: CallId; subCallId: CallId; name: string; arguments: unknown; isError: boolean; resultSummary: string } +``` + +Types: [CallId](core-data-structures/core.md) + +Source: [`packages/core/tools/src/code-mode.ts:36`](../packages/core/tools/src/code-mode.ts) + +#### `tool/result` — surface + +A completed tool call's model-facing result, plus an optional tool-private `meta` presentation payload. `meta` is opaque to the core (`unknown` — the producing tool owns its shape and reads it back in `presentResult`) but MUST be JSON-serializable: `Session.append` runtime-validates all event data with `isJsonValue`, so a non-serializable `meta` is rejected at the source, and the durable log reproduces the identical card on replay. Absent unless the tool attaches one (e.g. `dsh-tool-fs` carries its result-time contextual diff here). + +```ts persistence-catalog +'tool/result': { turn: number; step: number; callId: CallId; content: ContentBlock[]; isError: boolean; error?: { name: string; code: string }; meta?: unknown } +``` + +Types: [CallId](core-data-structures/core.md) · [ContentBlock](core-data-structures/core.md) + +Source: [`packages/core/session/src/types.ts:336`](../packages/core/session/src/types.ts) + +### `turn/*` + +#### `turn/end` — log-only + +Closes turn `turn` with the TurnEndReason that ended it. The loop fires the awaited `session/flush` checkpoint at every turn end, so the turn boundary is also the durable-commit boundary. + +```ts persistence-catalog +'turn/end': { turn: number; reason: TurnEndReason } +``` + +Types: [TurnEndReason](core-data-structures/session.md) + +Source: [`packages/core/session/src/types.ts:288`](../packages/core/session/src/types.ts) + +#### `turn/start` — log-only + +Opens turn `turn`. `trigger` records what started it — a drained message batch or an idle-time injection. The turn is the durability/replay boundary: every event sits between a `turn/start` and its matching `turn/end` (the turn-enclosure invariant). + +```ts persistence-catalog +'turn/start': { turn: number; trigger: TurnTrigger } +``` + +Types: [TurnTrigger](core-data-structures/session.md) + +Source: [`packages/core/session/src/types.ts:282`](../packages/core/session/src/types.ts) + +### `user/*` + +#### `user/message` — surface + +A user-visible prompt (queued message drained at turn start). + +```ts persistence-catalog +'user/message': { content: ContentBlock[]; source: MessageSource } +``` + +Types: [ContentBlock](core-data-structures/core.md) · [MessageSource](core-data-structures/core.md) + +Source: [`packages/core/session/src/types.ts:294`](../packages/core/session/src/types.ts) diff --git a/docs/rfc/INDEX.md b/docs/rfc/INDEX.md new file mode 100644 index 0000000000..8dc3b93b47 --- /dev/null +++ b/docs/rfc/INDEX.md @@ -0,0 +1,204 @@ +# RFC index + +Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; `verify-rfc-classification` fails when this file is stale. The curated front door — layout, classification, when to write one, and the in-file format — is [README.md](README.md). + +## Proposed + +### Feature + +| Title | First proposed | +|---|---| +| [Pre-tool input rewrite — a consistent design](proposed/feature/2026-06-30-pre-tool-input-rewrite.md) | 2026-06-30 | +| [Claude Code and Codex subagent backends (out-of-process delegation to external coding agents)](proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md) | 2026-07-07 | + +### Simplification + +| Title | First proposed | +|---|---| +| [Unify the agent id and the session id](proposed/simplification/2026-06-20-unify-agent-and-session-id.md) | 2026-06-20 | +| [Prune dead core-spine surface — `SurfaceManager.invalidate()`, the loop-internal exports, `ToolExecutionResult.callId`](proposed/simplification/2026-07-04-prune-dead-core-spine-surface.md) | 2026-07-04 | + +### Architecture + +| Title | First proposed | +|---|---| +| [Runtime schemas for the event vocabulary (Zod vs the merge-extensible-map pattern)](proposed/architecture/2026-06-16-typed-event-schemas.md) | 2026-06-16 | +| [Extract a generic long-running tool runtime](proposed/architecture/2026-06-20-generic-long-running-tool-runtime.md) | 2026-06-20 | + +### Process + +| Title | First proposed | +|---|---| +| [API extractor reports](proposed/process/2026-06-11-api-extractor-reports.md) | 2026-06-11 | +| [Architectural conformance — dependency rules and the adapter kit](proposed/process/2026-06-11-architectural-conformance.md) | 2026-06-11 | +| [Supply chain checks and vendor drift verification](proposed/process/2026-06-11-supply-chain-and-vendor-drift.md) | 2026-06-11 | +| [Discover package inventories instead of maintaining static lists](proposed/process/2026-06-20-discover-package-inventory.md) | 2026-06-20 | + +### Testing + +| Title | First proposed | +|---|---| +| [Deterministic tests, the replay invariant fixture, and race stress](proposed/testing/2026-06-11-deterministic-and-stress-testing.md) | 2026-06-11 | +| [Mutation testing as the coverage counterweight](proposed/testing/2026-06-11-mutation-testing.md) | 2026-06-11 | + +## Implemented + +### Feature + +| Title | First proposed | +|---|---| +| [Agent Client Protocol (ACP) support — drive the coding agent from external editors](implemented/feature/2026-06-14-acp-agent-client-protocol.md) | 2026-06-14 | +| [Multiplex concurrent ACP sessions over one connection](implemented/feature/2026-06-14-acp-multi-session.md) | 2026-06-14 | +| [Code Mode — the model writes TypeScript against the tool registry](implemented/feature/2026-06-15-code-mode.md) | 2026-06-15 | +| [Filesystem tool schemas — model-facing read/write/edit shapes](implemented/feature/2026-06-17-filesystem-tool-schemas.md) | 2026-06-17 | +| [Rich ACP bash rendering — the terminal card via the `_meta` convention](implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md) | 2026-06-18 | +| [Compaction as a capability seam (abstract contract + basic backend)](implemented/feature/2026-06-18-compaction-capability-seam.md) | 2026-06-18 | +| [Subagent capability seam](implemented/feature/2026-06-21-subagent-capability-seam.md) | 2026-06-21 | +| [ACP subagent backend (out-of-process delegation)](implemented/feature/2026-06-22-acp-subagent-backend.md) | 2026-06-22 | +| [Ask-user question capability](implemented/feature/2026-06-25-ask-user-question.md) | 2026-06-25 | +| [The `todo_write` tool — model task list as event-sourced session state](implemented/feature/2026-06-29-todo-write-tool.md) | 2026-06-29 | +| [dsh-hooks-claude + dsh-hooks-codex — the Claude Code / Codex hook bridges](implemented/feature/2026-06-30-hook-bridges.md) | 2026-06-30 | +| [dsh-hook-protocol — the shared Claude Code / Codex hook wire-protocol core](implemented/feature/2026-06-30-hook-protocol-lib.md) | 2026-06-30 | +| [Interception seams — the typed-Decision surface a hook programs against](implemented/feature/2026-06-30-interception-seams.md) | 2026-06-30 | +| [SessionStore fork API](implemented/feature/2026-06-30-session-store-fork-api.md) | 2026-06-30 | +| [Subagent lifecycle enrichment — lastAssistantMessage (observe-only)](implemented/feature/2026-06-30-subagent-observe-enrich.md) | 2026-06-30 | +| [Dynamic workflows — a script-driven multi-agent orchestration seam](implemented/feature/2026-07-05-dynamic-workflows.md) | 2026-07-05 | +| [Skill system — progressive disclosure instructions for agents](implemented/feature/2026-07-05-skill-system.md) | 2026-07-05 | +| [The approval seam — one-shot permission decisions over a waterfall of answerers](implemented/feature/2026-07-06-approval-seam.md) | 2026-07-06 | +| [Explicit model-facing tool order](implemented/feature/2026-07-06-explicit-tool-order.md) | 2026-07-06 | +| [The subprocess sandbox — confinement seam, native runners, escalation, and per-session modes](implemented/feature/2026-07-06-sandbox.md) | 2026-07-06 | +| [The session prefix — request-only messages in front of the derived history](implemented/feature/2026-07-07-session-prefix.md) | 2026-07-07 | +| [Repeat-tool-call guard plugin](implemented/feature/2026-07-08-repeat-tool-guard.md) | 2026-07-08 | +| [The self-referential cordis toolset](implemented/feature/2026-07-08-self-referential-cordis-toolset.md) | 2026-07-08 | + +### Simplification + +| Title | First proposed | +|---|---| +| [Drop the mutable session summary](implemented/simplification/2026-06-19-drop-mutable-session-summary.md) | 2026-06-19 | +| [Fold trace-only session facts into load-bearing events](implemented/simplification/2026-06-20-collapse-trace-only-session-events.md) | 2026-06-20 | +| [Drop the unconsumed `llm/adapter-change` event](implemented/simplification/2026-06-20-drop-unconsumed-llm-adapter-change-event.md) | 2026-06-20 | +| [Drop unconsumed assembled LLM convenience surfaces](implemented/simplification/2026-06-20-drop-unconsumed-llm-assembled-surfaces.md) | 2026-06-20 | +| [Prune dead methods from the persistence seam](implemented/simplification/2026-06-20-prune-dead-seam-methods.md) | 2026-06-20 | +| [Keep one public stop primitive](implemented/simplification/2026-06-20-public-agent-stop-surface.md) | 2026-06-20 | +| [Stop mirroring durable boundaries as agent events](implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md) | 2026-06-20 | +| [Split the filesystem seam — provider text mutations plus the `dsh-fs-policy` plugin](implemented/simplification/2026-06-26-fsspec-style-fs-seam.md) | 2026-06-26 | +| [Stop mirroring the token stream as an agent event](implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md) | 2026-07-02 | +| [Drop the `image` content block until a path can honor it](implemented/simplification/2026-07-04-drop-image-content-block.md) | 2026-07-04 | +| [Drop `GenerateOptions.prefill` and `ToolSchema.strict` — request knobs with no working end-to-end path](implemented/simplification/2026-07-04-drop-inert-request-knobs.md) | 2026-07-04 | +| [Drop the unconsumed web observation surface — the `providers-change` event and the status methods](implemented/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md) | 2026-07-04 | +| [Fold the stdio UI helper into the stdio app](implemented/simplification/2026-07-04-fold-stdio-ui-helper.md) | 2026-07-04 | +| [Prune producer-less vocabulary variants (block cache hints, the `agent` message source, the `continuation` turn trigger)](implemented/simplification/2026-07-04-prune-producerless-vocabulary-variants.md) | 2026-07-04 | +| [Prune write-only fields and a dead routing knob from the fs seam](implemented/simplification/2026-07-04-prune-write-only-fs-surface.md) | 2026-07-04 | +| [Remove the `agent/steering` mirror emit](implemented/simplification/2026-07-04-remove-agent-steering-mirror.md) | 2026-07-04 | +| [Share the app bins' boot glue instead of maintaining twin copies](implemented/simplification/2026-07-04-share-app-bin-boot-glue.md) | 2026-07-04 | +| [Tighten the hook-protocol contract — dialect, discarded fields, double defaults, and lib-owned `hook/result` semantics](implemented/simplification/2026-07-04-tighten-hook-protocol-contract.md) | 2026-07-04 | +| [Trim unreachable ACP bridge surface — the branding knobs and the kind-sniffing fallback](implemented/simplification/2026-07-04-trim-acp-bridge-unreachable-surface.md) | 2026-07-04 | + +### Architecture + +| Title | First proposed | +|---|---| +| [Provider-neutral content-block vocabulary owned by dsh-llm](implemented/architecture/2026-06-11-content-block-vocabulary.md) | 2026-06-11 | +| [Custom typed tool-schema DSL instead of schemastery](implemented/architecture/2026-06-11-custom-schema-dsl.md) | 2026-06-11 | +| [Dev-mode invariants over compile-time deep-readonly](implemented/architecture/2026-06-11-dev-invariants-over-deep-readonly.md) | 2026-06-11 | +| [Event-sourced sessions with derived message history](implemented/architecture/2026-06-11-event-sourced-sessions.md) | 2026-06-11 | +| [Microkernel — extension via Cordis event taxonomy, one concrete loop](implemented/architecture/2026-06-11-microkernel-event-taxonomy.md) | 2026-06-11 | +| [Runtime arg validation at the model boundary](implemented/architecture/2026-06-11-runtime-arg-validation.md) | 2026-06-11 | +| [Structured error taxonomy](implemented/architecture/2026-06-11-structured-error-taxonomy.md) | 2026-06-11 | +| [Tool schemas are part of the system-prompt assembly](implemented/architecture/2026-06-11-tool-schemas-in-prompt-assembly.md) | 2026-06-11 | +| [Capability seams — interface / implementation / consumer split](implemented/architecture/2026-06-13-capability-seams.md) | 2026-06-13 | +| [Two LLM adapters as a design-verification twin](implemented/architecture/2026-06-13-twin-llm-adapters.md) | 2026-06-13 | +| [Session persistence as an abstract service over the existing `SessionEvent`](implemented/architecture/2026-06-14-session-persistence.md) | 2026-06-14 | +| [Every session event is enclosed in a turn](implemented/architecture/2026-06-15-turn-enclosure-invariant.md) | 2026-06-15 | +| [Filesystem capability seam — ctx.fs, local backend, and model-facing filesystem tools](implemented/architecture/2026-06-17-filesystem-capability-seam.md) | 2026-06-17 | +| [Agent lifecycle and ownership seams](implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md) | 2026-06-18 | +| [Session surface — a linked list over the event log for LLM message derivation](implemented/architecture/2026-06-18-session-surface.md) | 2026-06-18 | +| [Shared persistence write coordinator](implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md) | 2026-06-18 | +| [Branded IDs everywhere they belong](implemented/architecture/2026-06-20-branded-ids.md) | 2026-06-20 | +| [Extract example apps into packages](implemented/architecture/2026-06-20-extract-example-app-packages.md) | 2026-06-20 | +| [Reorganize packages into a modular hierarchy](implemented/architecture/2026-06-20-package-hierarchy.md) | 2026-06-20 | +| [Mandatory `User-Agent` attribution for provider requests](implemented/architecture/2026-06-21-mandatory-app-attribution-headers.md) | 2026-06-21 | +| [Web capability seam - stable tools over multiple providers](implemented/architecture/2026-06-24-web-capability-seam.md) | 2026-06-24 | +| [Make `dsh-fs-policy` an event-gate plugin, not a method interface](implemented/architecture/2026-06-26-file-context-as-event-gate.md) | 2026-06-26 | +| [stdin + extra env on the bash seam](implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md) | 2026-06-30 | +| [Event-domain semantics — session is the fact log, agent is the live surface](implemented/architecture/2026-06-30-event-domain-semantics.md) | 2026-06-30 | +| [Resolve filesystem paths against the caller's session cwd](implemented/architecture/2026-07-02-fs-per-session-cwd.md) | 2026-07-02 | +| [Result-time applied-hunk diffs for file mutations](implemented/architecture/2026-07-02-result-time-applied-hunk-diffs.md) | 2026-07-02 | +| [Tagged render-intent union for tool-call presentation](implemented/architecture/2026-07-02-tool-render-intent-union.md) | 2026-07-02 | +| [Add direct directory listing to the filesystem seam](implemented/architecture/2026-07-03-filesystem-directory-listing-seam.md) | 2026-07-03 | +| [Prompt variables and tool-guidance ownership](implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md) | 2026-07-05 | +| [Every LLM request is reconstructable from the session log](implemented/architecture/2026-07-05-reconstructable-requests.md) | 2026-07-05 | +| [Subagent provider-lifecycle events — `subagent/provider-added` / `subagent/provider-removed`](implemented/architecture/2026-07-05-subagent-provider-lifecycle-events.md) | 2026-07-05 | +| [A shared timeout/deadline primitive, with hard-kill left to each capability](implemented/architecture/2026-07-06-timeout-deadline-library.md) | 2026-07-06 | +| [Tool-call timeout policy as a plugin](implemented/architecture/2026-07-07-tool-call-timeout-policy.md) | 2026-07-07 | + +### Process + +| Title | First proposed | +|---|---| +| [Doc-sync enforcement](implemented/process/2026-06-11-doc-sync-enforcement.md) | 2026-06-11 | +| [Mechanical quality gates over prose guidelines](implemented/process/2026-06-11-quality-gates.md) | 2026-06-11 | +| [tsdown for JS bundling instead of dumble](implemented/process/2026-06-11-tsdown-over-dumble.md) | 2026-06-11 | +| [Vendor Cordis as source, not npm dependencies](implemented/process/2026-06-11-vendor-cordis-as-source.md) | 2026-06-11 | +| [pnpm as the package manager instead of Yarn 4](implemented/process/2026-06-16-pnpm-over-yarn.md) | 2026-06-16 | +| [TSC-first build and one tsconfig](implemented/process/2026-06-17-ts-build-config.md) | 2026-06-17 | +| [Markdown cross-link validity linting](implemented/process/2026-06-18-markdown-cross-link-lint.md) | 2026-06-18 | +| [Core-data-structures catalog and the `ts type-equiv` drift gate](implemented/process/2026-06-20-core-data-structures-catalog.md) | 2026-06-20 | +| [Generated cordis events + services catalog](implemented/process/2026-06-20-generated-cordis-catalog.md) | 2026-06-20 | +| [Classify RFCs by kind via path-encoded subdirectories](implemented/process/2026-06-20-rfc-classification.md) | 2026-06-20 | +| [Bilingual documentation via paired sibling files and a pairing gate](implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.md) | 2026-07-02 | +| [Generated tool-schema catalog (boot-and-harvest)](implemented/process/2026-07-02-tool-schema-catalog.md) | 2026-07-02 | +| [Documentation graph index for maintainers and SDK users](implemented/process/2026-07-03-documentation-graph-atlas.md) | 2026-07-03 | +| [JSDoc completeness gate for the cordis surface](implemented/process/2026-07-04-cordis-jsdoc-completeness-gate.md) | 2026-07-04 | +| [Documentation tiers, budgets, and the ceiling gate](implemented/process/2026-07-04-doc-tiers-and-budgets.md) | 2026-07-04 | +| [Generate the RFC index tables](implemented/process/2026-07-04-generate-rfc-index-tables.md) | 2026-07-04 | +| [Generated persistence log event catalog](implemented/process/2026-07-04-persistence-log-catalog.md) | 2026-07-04 | +| [One gated in-file format for RFCs](implemented/process/2026-07-05-uniform-rfc-format.md) | 2026-07-05 | +| [Export-surface JSDoc gate](implemented/process/2026-07-06-export-surface-jsdoc-gate.md) | 2026-07-06 | +| [Generated plugin config catalog](implemented/process/2026-07-06-generated-config-catalog.md) | 2026-07-06 | +| [Raise the Node LTS engine floor to 22.19](implemented/process/2026-07-06-node-engine-floor.md) | 2026-07-06 | +| [Parallel GitHub CI gates](implemented/process/2026-07-06-parallel-github-ci-gates.md) | 2026-07-06 | +| [Parallel pre-push gates](implemented/process/2026-07-06-parallel-pre-push-gates.md) | 2026-07-06 | + +### Testing + +| Title | First proposed | +|---|---| +| [Property-based testing for protocol-shaped code](implemented/testing/2026-06-11-property-based-testing.md) | 2026-06-11 | +| [ACP snapshot tests — record-once / replay-deterministic](implemented/testing/2026-06-19-acp-snapshot-tests.md) | 2026-06-19 | +| [Real-API e2e in CI against the external DeepSeek API](implemented/testing/2026-06-19-real-api-e2e-ci.md) | 2026-06-19 | +| [Use `session.jsonl` as the only snapshot session-log artifact](implemented/testing/2026-06-20-remove-redundant-snapshot-log-goldens.md) | 2026-06-20 | +| [Persist the seed boundary so fork-child replay routes correctly](implemented/testing/2026-06-22-fork-child-replay-seed-boundary.md) | 2026-06-22 | +| [Record fork and mixed spawn+fork snapshot scenarios](implemented/testing/2026-06-22-fork-snapshot-scenarios.md) | 2026-06-22 | +| [Per-session snapshot replay for nested agents](implemented/testing/2026-06-22-subagent-snapshot-replay.md) | 2026-06-22 | +| [Hook snapshot matrix — end-to-end goldens for both bridges](implemented/testing/2026-07-04-hook-snapshot-matrix.md) | 2026-07-04 | +| [Single-source the acp-agent replay config](implemented/testing/2026-07-04-single-source-acp-replay-config.md) | 2026-07-04 | +| [Pin request-header content in one snapshot scenario](implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md) | 2026-07-06 | +| [Extract the ACP snapshot suite into a support package](implemented/testing/2026-07-08-shared-acp-snapshot-package.md) | 2026-07-08 | + +## Rejected + +### Simplification + +| Title | First proposed | +|---|---| +| [Persist assembled assistant messages, not stream chunks](rejected/simplification/2026-06-20-assembled-assistant-messages-only.md) | 2026-06-20 | +| [Drop ACP session/load until resume has a product shape](rejected/simplification/2026-06-20-drop-acp-session-load.md) | 2026-06-20 | +| [Drop ACP terminal `_meta` rendering](rejected/simplification/2026-06-20-drop-acp-terminal-meta.md) | 2026-06-20 | +| [Drop bash full-output spill files](rejected/simplification/2026-06-20-drop-bash-output-spill-files.md) | 2026-06-20 | +| [Drop durable step boundary events](rejected/simplification/2026-06-20-drop-durable-step-boundaries.md) | 2026-06-20 | +| [Drop unused session lineage metadata](rejected/simplification/2026-06-20-drop-unused-session-lineage.md) | 2026-06-20 | +| [Fold the persistence interface into dsh-session](rejected/simplification/2026-06-20-fold-session-persistence-interface.md) | 2026-06-20 | +| [Collapse tool-owned UI presentation](rejected/simplification/2026-06-20-generic-tool-rendering.md) | 2026-06-20 | +| [Retire mid-turn steering](rejected/simplification/2026-06-20-retire-mid-turn-steering.md) | 2026-06-20 | +| [Return the ACP bridge to one live session per connection](rejected/simplification/2026-06-20-single-session-acp-bridge.md) | 2026-06-20 | +| [Truncate interrupted final turns on load](rejected/simplification/2026-06-20-truncate-interrupted-turns.md) | 2026-06-20 | +| [Prune the unimplemented subagent seam vocabulary](rejected/simplification/2026-07-04-prune-unimplemented-subagent-vocabulary.md) | 2026-07-04 | + +### Architecture + +| Title | First proposed | +|---|---| +| [Deep-readonly public surfaces](rejected/architecture/2026-06-11-immutable-public-surfaces.md) | 2026-06-11 | +| [Make the shared example base providerless](rejected/architecture/2026-06-20-providerless-example-base.md) | 2026-06-20 | diff --git a/docs/rfc/README.md b/docs/rfc/README.md index f5550e9378..fcb077e0a5 100644 --- a/docs/rfc/README.md +++ b/docs/rfc/README.md @@ -1,6 +1,6 @@ # RFCs -One kind of design doc lives here. An **RFC** records a decision or proposal that shapes this codebase — the *why* and *what we gave up*, the parts code and docs can't carry. +One kind of design doc lives here. An **RFC** records a decision or proposal that shapes this codebase — the *why* and *what we gave up*, the parts code and docs can't carry. The full list is the generated [INDEX.md](INDEX.md); this file is the contract — where RFCs live, when to write one, and [the in-file format](#the-file-format). ## Layout and naming @@ -16,7 +16,7 @@ The date in the filename is when the topic was **first proposed** (per git histo ## Classification -Each RFC is filed under exactly one **class** — the kind of decision it records. The class is encoded in the path (the folder *is* the label, so a file's location declares its class) and the set is **closed**: `scripts/verify-rfc-classification.ts` rejects any folder outside the set and asserts this index lists every RFC under the heading matching its path. Adding a new class means amending that gate and this section, not just dropping a new folder. See [the classification RFC](implemented/process/2026-06-20-rfc-classification.md) for why the taxonomy is path-encoded and gated. +Each RFC is filed under exactly one **class** — the kind of decision it records. The class is encoded in the path (the folder *is* the label, so a file's location declares its class) and the set is **closed**: `scripts/rfc-index.ts` owns the canonical set, `scripts/verify-rfc-classification.ts` rejects any folder outside it, and [INDEX.md](INDEX.md) is **generated** from the tree in full (`pnpm run gen-rfc-index` rewrites it from each RFC's path, H1 title, and filename date; the gate fails when it is stale, and rejects an index-shaped row in this file). Adding a new class means amending that `const` and this section, not just dropping a new folder. See [the classification RFC](implemented/process/2026-06-20-rfc-classification.md) for why the taxonomy is path-encoded and gated, and [the index-generation RFC](implemented/process/2026-07-04-generate-rfc-index-tables.md) for why the index is generated while this prose stays curated. | Class | What it covers | |---|---| @@ -35,176 +35,75 @@ Write an RFC when a decision is **durable** (it shapes the codebase beyond a sin Do NOT write one for a mechanical or local choice (a variable name, a one-file refactor), for anything already enforced and explained by a gate or a convention in AGENTS.md, or for a still-provisional decision tagged `TODO(...)` in the code — record those as TODOs and promote to an RFC only once they settle. An RFC is never edited into a *different decision*: supersede it with a new one and cross-link. (Editing an `implemented/` RFC to track where its already-made decision now *lives* — a moved file, a renamed package — is not a different decision and is required, not forbidden; see [implemented/AGENTS.md](implemented/AGENTS.md).) -## Proposed +## The file format -### Feature +Every RFC follows one in-file format, enforced by `pnpm run verify-rfc-format` ([scripts/verify-rfc-format.ts](../../scripts/verify-rfc-format.ts), part of `doc-sync`); the rationale for the format — and the alternatives it rejected — is [the uniform-format RFC](implemented/process/2026-07-05-uniform-rfc-format.md). -| Title | First proposed | -|---|---| -| [Agent Client Protocol (ACP) support for external editors](proposed/feature/2026-06-14-acp-agent-client-protocol.md) | 2026-06-14 | -| [Multiplex concurrent ACP sessions over one connection](proposed/feature/2026-06-14-acp-multi-session.md) | 2026-06-14 | -| [Optional Code Mode — model writes TypeScript against an SDK of all tools](proposed/feature/2026-06-15-optional-code-mode.md) | 2026-06-15 | -| [Pre-tool input rewrite — a consistent design](proposed/feature/2026-06-30-pre-tool-input-rewrite.md) | 2026-06-30 | +### The header block -### Simplification +The first three lines of every RFC are exactly: -| Title | First proposed | -|---|---| -| [Unify the agent id and the session id](proposed/simplification/2026-06-20-unify-agent-and-session-id.md) | 2026-06-20 | -| [Prune producer-less vocabulary variants (block cache hints, the `agent` message source, the `continuation` turn trigger)](proposed/simplification/2026-07-04-prune-producerless-vocabulary-variants.md) | 2026-07-04 | -| [Drop `GenerateOptions.prefill` and `ToolSchema.strict` — request knobs with no working end-to-end path](proposed/simplification/2026-07-04-drop-inert-request-knobs.md) | 2026-07-04 | -| [Drop the unconsumed web observation surface — the `providers-change` event and the status methods](proposed/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md) | 2026-07-04 | -| [Drop the `image` content block until a path can honor it](proposed/simplification/2026-07-04-drop-image-content-block.md) | 2026-07-04 | -| [Prune write-only fields and a dead routing knob from the fs seam](proposed/simplification/2026-07-04-prune-write-only-fs-surface.md) | 2026-07-04 | -| [Trim unreachable ACP bridge surface — the branding knobs and the kind-sniffing fallback](proposed/simplification/2026-07-04-trim-acp-bridge-unreachable-surface.md) | 2026-07-04 | -| [Prune dead core-spine surface — `SurfaceManager.invalidate()`, the loop-internal exports, `ToolExecutionResult.callId`](proposed/simplification/2026-07-04-prune-dead-core-spine-surface.md) | 2026-07-04 | -| [Share the app bins' boot glue instead of maintaining twin copies](proposed/simplification/2026-07-04-share-app-bin-boot-glue.md) | 2026-07-04 | -| [Remove the `agent/steering` mirror emit](proposed/simplification/2026-07-04-remove-agent-steering-mirror.md) | 2026-07-04 | -| [Tighten the hook-protocol contract — dialect, discarded fields, double defaults, and lib-owned `hook/result` semantics](proposed/simplification/2026-07-04-tighten-hook-protocol-contract.md) | 2026-07-04 | -| [Fold the stdio UI helper into the stdio app](proposed/simplification/2026-07-04-fold-stdio-ui-helper.md) | 2026-07-04 | +```markdown +# RFC: -### Architecture +Status: <status> +``` -| Title | First proposed | -|---|---| -| [Runtime schemas for the event vocabulary (Zod vs the merge-extensible-map pattern)](proposed/architecture/2026-06-16-typed-event-schemas.md) | 2026-06-16 | -| [Extract a generic long-running tool runtime](proposed/architecture/2026-06-20-generic-long-running-tool-runtime.md) | 2026-06-20 | +followed by a blank line. The `Status:` value is one of three forms, and must agree with the lifecycle folder the file sits in — the gate cross-checks them: -### Process +- `Status: proposed` +- `Status: implemented` +- `Status: rejected — <why, in one line>` -| Title | First proposed | -|---|---| -| [Architectural conformance — dependency rules and the adapter kit](proposed/process/2026-06-11-architectural-conformance.md) | 2026-06-11 | -| [API extractor reports](proposed/process/2026-06-11-api-extractor-reports.md) | 2026-06-11 | -| [Supply chain checks and vendor drift verification](proposed/process/2026-06-11-supply-chain-and-vendor-drift.md) | 2026-06-11 | -| [Discover package inventories instead of maintaining static lists](proposed/process/2026-06-20-discover-package-inventory.md) | 2026-06-20 | -| [Generate the RFC index tables](proposed/process/2026-07-04-generate-rfc-index-tables.md) | 2026-07-04 | +The status carries no dates and no parentheticals: the filename holds the first-proposed date, git holds everything else, and an "accepted in amended form" note is body content (state the amendment where the decision is stated). The rejection reason is the one status with content, because a rejected RFC's verdict is the fact readers come for. -### Testing +### The body skeleton -| Title | First proposed | -|---|---| -| [Mutation testing as the coverage counterweight](proposed/testing/2026-06-11-mutation-testing.md) | 2026-06-11 | -| [Deterministic tests, the replay invariant fixture, and race stress](proposed/testing/2026-06-11-deterministic-and-stress-testing.md) | 2026-06-11 | -| [Single-source the acp-agent replay config](proposed/testing/2026-07-04-single-source-acp-replay-config.md) | 2026-07-04 | +Every RFC opens its body with `## Problem` — the motivation, written to stand without the solution. What follows depends on the lifecycle; recurring sections use these canonical names and nothing else, while genuinely bespoke technical sections (package topology, wire contracts, schemas) remain free-form between the required ones. -## Implemented +#### `proposed/` -### Feature +```markdown +## Problem +## Proposal +…bespoke sections… +## Alternatives considered +## Acceptance criteria +## Risks +``` -| Title | First proposed | -|---|---| -| [Filesystem tool schemas — model-facing read/write/edit shapes](implemented/feature/2026-06-17-filesystem-tool-schemas.md) | 2026-06-17 | -| [Rich ACP bash rendering — the terminal card (`_meta`) and command classification](implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md) | 2026-06-18 | -| [Compaction as a capability seam (abstract contract + basic backend)](implemented/feature/2026-06-18-compaction-capability-seam.md) | 2026-06-18 | -| [Subagent capability seam](implemented/feature/2026-06-21-subagent-capability-seam.md) | 2026-06-21 | -| [ACP subagent backend (out-of-process delegation)](implemented/feature/2026-06-22-acp-subagent-backend.md) | 2026-06-22 | -| [The `todo_write` tool — model task list as event-sourced session state](implemented/feature/2026-06-29-todo-write-tool.md) | 2026-06-29 | -| [Interception seams — the typed-Decision surface a hook programs against](implemented/feature/2026-06-30-interception-seams.md) | 2026-06-30 | -| [Subagent lifecycle enrichment — lastAssistantMessage (observe-only)](implemented/feature/2026-06-30-subagent-observe-enrich.md) | 2026-06-30 | -| [dsh-hook-protocol — the shared Claude Code / Codex hook wire-protocol core](implemented/feature/2026-06-30-hook-protocol-lib.md) | 2026-06-30 | -| [dsh-hooks-claude + dsh-hooks-codex — the Claude Code / Codex hook bridges](implemented/feature/2026-06-30-hook-bridges.md) | 2026-06-30 | +`## Proposal` is the intended change and may legitimately speak in the future tense — plans, migration steps, and open questions belong here while the work is unbuilt. `## Acceptance criteria` says what observable state means done. `## Risks` covers both what could go wrong and what the change knowingly gives up. -### Simplification +#### `implemented/` -| Title | First proposed | -|---|---| -| [Drop the mutable session summary](implemented/simplification/2026-06-19-drop-mutable-session-summary.md) | 2026-06-19 | -| [Drop unconsumed assembled LLM convenience surfaces](implemented/simplification/2026-06-20-drop-unconsumed-llm-assembled-surfaces.md) | 2026-06-20 | -| [Drop the unconsumed `llm/adapter-change` event](implemented/simplification/2026-06-20-drop-unconsumed-llm-adapter-change-event.md) | 2026-06-20 | -| [Prune dead methods from the persistence seam](implemented/simplification/2026-06-20-prune-dead-seam-methods.md) | 2026-06-20 | -| [Keep one public stop primitive](implemented/simplification/2026-06-20-public-agent-stop-surface.md) | 2026-06-20 | -| [Fold trace-only session facts into load-bearing events](implemented/simplification/2026-06-20-collapse-trace-only-session-events.md) | 2026-06-20 | -| [Stop mirroring durable boundaries as agent events](implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md) | 2026-06-20 | -| [Split the filesystem seam — provider text mutations plus the `dsh-fs-policy` plugin](implemented/simplification/2026-06-26-fsspec-style-fs-seam.md) | 2026-06-26 | -| [Stop mirroring the token stream as an agent event](implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md) | 2026-07-02 | +```markdown +## Problem +## Decision +…bespoke sections… +## Alternatives considered +## Consequences +``` -### Architecture +`## Decision` describes shipped reality in the present tense, and the whole file is kept current with it per [implemented/AGENTS.md](implemented/AGENTS.md). `## Consequences` records what the trade-off cost **and** bought. Proposal-era headings are spec-speak here and the gate rejects them: `## Proposal`, `## Plan`, `## Migration plan`, and `## Acceptance criteria` may not appear in an implemented RFC (the [slop checklist](../AGENTS.md) names why). A `## Testing`, `## Deferred`, or `## Related` section is fine where it states present-tense fact. -| Title | First proposed | -|---|---| -| [Microkernel: extension via Cordis event taxonomy, one concrete loop](implemented/architecture/2026-06-11-microkernel-event-taxonomy.md) | 2026-06-11 | -| [Event-sourced sessions with derived message history](implemented/architecture/2026-06-11-event-sourced-sessions.md) | 2026-06-11 | -| [Provider-neutral content-block vocabulary owned by dsh-llm](implemented/architecture/2026-06-11-content-block-vocabulary.md) | 2026-06-11 | -| [Custom typed tool-schema DSL instead of schemastery](implemented/architecture/2026-06-11-custom-schema-dsl.md) | 2026-06-11 | -| [Tool schemas are part of the system-prompt assembly](implemented/architecture/2026-06-11-tool-schemas-in-prompt-assembly.md) | 2026-06-11 | -| [Runtime arg validation at the model boundary](implemented/architecture/2026-06-11-runtime-arg-validation.md) | 2026-06-11 | -| [Dev-mode invariants over compile-time deep-readonly](implemented/architecture/2026-06-11-dev-invariants-over-deep-readonly.md) | 2026-06-11 | -| [Structured error taxonomy](implemented/architecture/2026-06-11-structured-error-taxonomy.md) | 2026-06-11 | -| [Capability seams — interface / implementation / consumer split](implemented/architecture/2026-06-13-capability-seams.md) | 2026-06-13 | -| [Two LLM adapters as a design-verification twin](implemented/architecture/2026-06-13-twin-llm-adapters.md) | 2026-06-13 | -| [Session persistence as an abstract service over `SessionEvent`](implemented/architecture/2026-06-14-session-persistence.md) | 2026-06-14 | -| [Every session event is enclosed in a turn](implemented/architecture/2026-06-15-turn-enclosure-invariant.md) | 2026-06-15 | -| [Filesystem capability seam — ctx.fs, local backend, and model-facing filesystem tools](implemented/architecture/2026-06-17-filesystem-capability-seam.md) | 2026-06-17 | -| [Shared persistence write coordinator](implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md) | 2026-06-18 | -| [Agent lifecycle and ownership seams](implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md) | 2026-06-18 | -| [Session surface — a linked list over the event log for LLM message derivation](implemented/architecture/2026-06-18-session-surface.md) | 2026-06-18 | -| [Reorganize packages into a modular hierarchy](implemented/architecture/2026-06-20-package-hierarchy.md) | 2026-06-20 | -| [Branded IDs everywhere they belong](implemented/architecture/2026-06-20-branded-ids.md) | 2026-06-20 | -| [Extract example apps into packages](implemented/architecture/2026-06-20-extract-example-app-packages.md) | 2026-06-20 | -| [Web capability seam — provider registry and model-facing web tools](implemented/architecture/2026-06-24-web-capability-seam.md) | 2026-06-24 | -| [Make `dsh-fs-policy` an event-gate plugin, not a method interface](implemented/architecture/2026-06-26-file-context-as-event-gate.md) | 2026-06-26 | -| [Event-domain semantics — session is the fact log, agent is the live surface](implemented/architecture/2026-06-30-event-domain-semantics.md) | 2026-06-30 | -| [stdin + extra env on the bash seam](implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md) | 2026-06-30 | -| [Resolve filesystem paths against the caller's session cwd](implemented/architecture/2026-07-02-fs-per-session-cwd.md) | 2026-07-02 | -| [Tagged render-intent union for tool-call presentation](implemented/architecture/2026-07-02-tool-render-intent-union.md) | 2026-07-02 | -| [Result-time applied-hunk diffs for file mutations](implemented/architecture/2026-07-02-result-time-applied-hunk-diffs.md) | 2026-07-02 | -| [Add direct directory listing to the filesystem seam](implemented/architecture/2026-07-03-filesystem-directory-listing-seam.md) | 2026-07-03 | +#### `rejected/` -### Process +A rejected RFC is the proposal, frozen: it keeps whatever proposal-time sections it had (including `## Acceptance criteria` or `## Plan`), and the verdict lives on the `Status:` line. Only the header block, the `## Problem` opener, a `## Proposal` section, and the Alternatives-considered mandate below apply. -| Title | First proposed | -|---|---| -| [Vendor Cordis as source, not npm dependencies](implemented/process/2026-06-11-vendor-cordis-as-source.md) | 2026-06-11 | -| [Mechanical quality gates over prose guidelines](implemented/process/2026-06-11-quality-gates.md) | 2026-06-11 | -| [tsdown for JS bundling instead of dumble](implemented/process/2026-06-11-tsdown-over-dumble.md) | 2026-06-11 | -| [Doc-sync enforcement](implemented/process/2026-06-11-doc-sync-enforcement.md) | 2026-06-11 | -| [pnpm as the package manager instead of Yarn 4](implemented/process/2026-06-16-pnpm-over-yarn.md) | 2026-06-16 | -| [TSC-first build and one tsconfig](implemented/process/2026-06-17-ts-build-config.md) | 2026-06-17 | -| [Markdown cross-link validity linting](implemented/process/2026-06-18-markdown-cross-link-lint.md) | 2026-06-18 | -| [Core-data-structures catalog and the `ts type-equiv` drift gate](implemented/process/2026-06-20-core-data-structures-catalog.md) | 2026-06-20 | -| [Generated cordis events + services catalog](implemented/process/2026-06-20-generated-cordis-catalog.md) | 2026-06-20 | -| [Classify RFCs by kind via path-encoded subdirectories](implemented/process/2026-06-20-rfc-classification.md) | 2026-06-20 | -| [Generated tool-schema catalog (boot-and-harvest)](implemented/process/2026-07-02-tool-schema-catalog.md) | 2026-07-02 | -| [Bilingual documentation via paired sibling files and a pairing gate](implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.md) | 2026-07-02 | -| [Documentation tiers, budgets, and the ceiling gate](implemented/process/2026-07-04-doc-tiers-and-budgets.md) | 2026-07-04 | -| [JSDoc completeness gate for the cordis surface](implemented/process/2026-07-04-cordis-jsdoc-completeness-gate.md) | 2026-07-04 | +### Alternatives considered — mandatory -### Testing +Every RFC carries an `## Alternatives considered` section: each genuine alternative and why it lost, one bold-led paragraph per alternative or a `### Why not <X>?` subsection per contested one. A decision recorded without what it beat invites re-litigation — the failure RFCs exist to prevent. -| Title | First proposed | -|---|---| -| [Property-based testing for protocol-shaped code](implemented/testing/2026-06-11-property-based-testing.md) | 2026-06-11 | -| [ACP snapshot tests — record-once / replay-deterministic](implemented/testing/2026-06-19-acp-snapshot-tests.md) | 2026-06-19 | -| [Real-API e2e in CI against the external DeepSeek API](implemented/testing/2026-06-19-real-api-e2e-ci.md) | 2026-06-19 | -| [Use `session.jsonl` as the only snapshot session-log artifact](implemented/testing/2026-06-20-remove-redundant-snapshot-log-goldens.md) | 2026-06-20 | -| [Per-session snapshot replay for nested agents](implemented/testing/2026-06-22-subagent-snapshot-replay.md) | 2026-06-22 | -| [Persist the seed boundary so fork-child replay routes correctly](implemented/testing/2026-06-22-fork-child-replay-seed-boundary.md) | 2026-06-22 | -| [Record fork and mixed spawn+fork snapshot scenarios](implemented/testing/2026-06-22-fork-snapshot-scenarios.md) | 2026-06-22 | -| [Hook snapshot matrix — end-to-end goldens for both bridges](implemented/testing/2026-07-04-hook-snapshot-matrix.md) | 2026-07-04 | +Alternatives are recorded, never invented. An RFC dated before 2026-07-05 whose alternatives are not reconstructible from the record carries this exact comment in place of the section, which the gate accepts for pre-format files only: -## Rejected +```markdown +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> +``` -### Simplification +### Moving between lifecycles -| Title | First proposed | -|---|---| -| [Persist assembled assistant messages, not stream chunks](rejected/simplification/2026-06-20-assembled-assistant-messages-only.md) | 2026-06-20 | -| [Drop ACP session/load until resume has a product shape](rejected/simplification/2026-06-20-drop-acp-session-load.md) | 2026-06-20 | -| [Drop ACP terminal `_meta` rendering](rejected/simplification/2026-06-20-drop-acp-terminal-meta.md) | 2026-06-20 | -| [Drop bash full-output spill files](rejected/simplification/2026-06-20-drop-bash-output-spill-files.md) | 2026-06-20 | -| [Drop durable step boundary events](rejected/simplification/2026-06-20-drop-durable-step-boundaries.md) | 2026-06-20 | -| [Drop unused session lineage metadata](rejected/simplification/2026-06-20-drop-unused-session-lineage.md) | 2026-06-20 | -| [Fold the persistence interface into dsh-session](rejected/simplification/2026-06-20-fold-session-persistence-interface.md) | 2026-06-20 | -| [Collapse tool-owned UI presentation](rejected/simplification/2026-06-20-generic-tool-rendering.md) | 2026-06-20 | -| [Retire mid-turn steering](rejected/simplification/2026-06-20-retire-mid-turn-steering.md) | 2026-06-20 | -| [Return the ACP bridge to one live session per connection](rejected/simplification/2026-06-20-single-session-acp-bridge.md) | 2026-06-20 | -| [Truncate interrupted final turns on load](rejected/simplification/2026-06-20-truncate-interrupted-turns.md) | 2026-06-20 | -| [Prune the unimplemented subagent seam vocabulary](rejected/simplification/2026-07-04-prune-unimplemented-subagent-vocabulary.md) | 2026-07-04 | +Moving a file between lifecycle folders means updating the `Status:` line and re-satisfying that folder's skeleton in the same change — the gate fails the move otherwise. Concretely, `proposed/` → `implemented/` rewrites `## Proposal` into a present-tense `## Decision`, folds `## Acceptance criteria` and `## Risks` into `## Consequences` (or a present-tense `## Testing`/`## Verification` section for what now pins the behavior), and drops plans in favor of what shipped — the rewrite [implemented/AGENTS.md](implemented/AGENTS.md) requires, made mechanical. `proposed/` → `rejected/` only adds the reason to the `Status:` line and freezes the file. -### Architecture +### Chinese counterparts -| Title | First proposed | -|---|---| -| [Deep-readonly public surfaces](rejected/architecture/2026-06-11-immutable-public-surfaces.md) | 2026-06-11 | -| [Make the shared example base providerless](rejected/architecture/2026-06-20-providerless-example-base.md) | 2026-06-20 | +A `.zh.md` counterpart mirrors its English sibling's structure section-for-section under the [i18n contract](../i18n/README.md); the machine-checked header tokens (`# RFC: ` and the `Status:` line) stay in English verbatim. The format gate skips `.zh.md` files — the pairing gate owns their consistency. diff --git a/docs/rfc/implemented/AGENTS.md b/docs/rfc/implemented/AGENTS.md index c23e9069e8..b4ee7d83d3 100644 --- a/docs/rfc/implemented/AGENTS.md +++ b/docs/rfc/implemented/AGENTS.md @@ -1,6 +1,6 @@ # AGENTS.md — Implemented RFCs -These are RFCs whose decision has **shipped**. The repo-wide and docs-wide rules still apply ([root AGENTS.md](../../../AGENTS.md) § "Type safety and documentation", [docs/AGENTS.md](../../AGENTS.md)); this file adds one rule specific to this folder. +These are RFCs whose decision has **shipped**. The repo-wide and docs-wide rules still apply ([root AGENTS.md](../../../AGENTS.md) § "Type safety and documentation", [docs/AGENTS.md](../../AGENTS.md)), and the in-file skeleton — including the proposal→implemented rewrite a lifecycle move owes — is [README.md § The file format](../README.md#the-file-format), gated by `verify-rfc-format`; this file adds one rule specific to this folder. ## Keep an implemented RFC current with what actually shipped diff --git a/docs/rfc/implemented/architecture/2026-06-11-content-block-vocabulary.md b/docs/rfc/implemented/architecture/2026-06-11-content-block-vocabulary.md index 49d55badac..42efb34774 100644 --- a/docs/rfc/implemented/architecture/2026-06-11-content-block-vocabulary.md +++ b/docs/rfc/implemented/architecture/2026-06-11-content-block-vocabulary.md @@ -1,21 +1,24 @@ # RFC: Provider-neutral content-block vocabulary owned by dsh-llm -Status: implemented (accepted 2026-06-11) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> +## Problem -## Context - -The harness needs one internal language for messages that the loop, session log, and all plugins speak. Options: mirror the DeepSeek/OpenAI chat-completions shape (zero mapping for the first provider, awkward for rich content), adopt Anthropic's Messages block structure verbatim (battle-tested, but our canonical types would mirror a third-party API we don't target first), or own a vocabulary. +The harness needs one internal language for messages that the loop, session log, and all plugins speak. ## Decision -Own it: messages are arrays of typed content blocks (`text`, `reasoning`, `tool-call`, `tool-result`, `image`), with the union derived from the merge-extensible `ContentBlockMap` so plugins add block types via declaration merging. The same merge-extensible-map pattern types every "stringly" field (`MessageSource`, `FinishReason`, `TurnTrigger`, `TurnEndReason`). Streaming is a raw chunk protocol; `BlockAssembler` is the single shared assembly implementation. Adapters translate to provider wire formats — mapping cost lives in adapters, where it belongs. +Own the vocabulary: messages are arrays of typed content blocks (`text`, `reasoning`, `tool-call`, `tool-result`), with the union derived from the merge-extensible `ContentBlockMap` so plugins add block types via declaration merging. The same merge-extensible-map pattern types every "stringly" field (`MessageSource`, `FinishReason`, `TurnTrigger`, `TurnEndReason`). Streaming is a raw chunk protocol; `BlockAssembler` is the single shared assembly implementation. Adapters translate to provider wire formats — mapping cost lives in adapters, where it belongs. In-session context injection (`context/message`, `steering/message`) renders as tagged user-role envelopes (the system-reminder pattern) rather than a new role, so adapters carry zero burden. Live-adapter review has since validated the tagged-envelope rendering against current DeepSeek behavior; a future provider-specific mismatch should be handled in that adapter rather than by adding a new role to the canonical content vocabulary. +## Alternatives considered + +- **Mirror the DeepSeek/OpenAI chat-completions shape** — zero mapping cost for the first provider, but awkward for rich content (reasoning, tool results as structured blocks). +- **Adopt Anthropic's Messages block structure verbatim** — battle-tested, but the canonical types would mirror a third-party API the harness does not target first. + ## Consequences -- Reasoning, prefill, cache hints, and multimodal content all have a home without provider contortions. +- Reasoning has a home without provider contortions. Multimodal content deliberately has NO core block type: the core set is limited to blocks every shipping path honors, and a multimodal feature adds its block type through the merge-extensible map in the same coordinated change that maps it in the adapters, surfaces it in the UI bridges, and prices it in compaction — see [the drop-image RFC](../simplification/2026-07-04-drop-image-content-block.md). Block cache hints likewise have no core field: DeepSeek prompt caching is automatic, so no shipping adapter can transmit a hint; a caching feature adds a `cache` field together with the adapter that honors it — see [the producer-less-variants RFC](../simplification/2026-07-04-prune-producerless-vocabulary-variants.md). Assistant-prefix continuation (prefill) likewise has no request field: DeepSeek's chat-prefix completion is a Beta feature on a base URL neither shipping adapter targets, so a prefill feature adds `GenerateOptions.prefill` together with the adapter that honors it — see [the inert-request-knobs RFC](../simplification/2026-07-04-drop-inert-request-knobs.md). - Every adapter pays a translation cost; the first real adapters have since validated the streaming protocol, and new adapters should continue proving their provider-specific mapping in adapter-local tests. - IDs that cross package boundaries are branded (`CallId`, `SessionId`, `AgentId`) — nominal typing at zero runtime cost. diff --git a/docs/rfc/implemented/architecture/2026-06-11-custom-schema-dsl.md b/docs/rfc/implemented/architecture/2026-06-11-custom-schema-dsl.md index 22330f4747..c9f07e463e 100644 --- a/docs/rfc/implemented/architecture/2026-06-11-custom-schema-dsl.md +++ b/docs/rfc/implemented/architecture/2026-06-11-custom-schema-dsl.md @@ -1,10 +1,8 @@ # RFC: Custom typed tool-schema DSL instead of schemastery -Status: implemented (accepted 2026-06-11) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem Tool parameters must reach the model as standard JSON Schema (the wire format), and tool authors deserve typed `execute(args)` without casts. The repo already vendors schemastery (used for plugin Config), so reusing it was the obvious candidate. The user also explicitly preferred per-property `required: true` booleans over JSON Schema's separate `required` array. @@ -12,7 +10,9 @@ Tool parameters must reach the model as standard JSON Schema (the wire format), A small custom DSL in dsh-tools: `SchemaSpec` (per-property specs with `required: true` booleans), type-level `InferArgs<S>` mapping a spec to the argument type (required keys non-optional, others genuinely optional via `?`), a runtime `schemaSpecToJsonSchema()` converter, and `defineTool()` tying them together. Raw JSON-Schema `ToolDefinition`s remain accepted by `ToolRegistry.register()` — that's how MCP-sourced tools arrive. -Schemastery was evaluated and rejected for this use: it targets validation / transformation against StandardSchema, not JSON Schema *generation*, so it would add indirection without producing the wire format cleanly. +## Alternatives considered + +**Schemastery** (already vendored, used for plugin Config) was evaluated and rejected for this use: it targets validation / transformation against StandardSchema, not JSON Schema *generation*, so it would add indirection without producing the wire format cleanly. ## Consequences diff --git a/docs/rfc/implemented/architecture/2026-06-11-dev-invariants-over-deep-readonly.md b/docs/rfc/implemented/architecture/2026-06-11-dev-invariants-over-deep-readonly.md index 212d2e82b7..a3240153d0 100644 --- a/docs/rfc/implemented/architecture/2026-06-11-dev-invariants-over-deep-readonly.md +++ b/docs/rfc/implemented/architecture/2026-06-11-dev-invariants-over-deep-readonly.md @@ -1,10 +1,8 @@ # RFC: Dev-mode invariants over compile-time deep-readonly -Status: implemented (accepted 2026-06-13) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The session log is append-only by contract, but the types don't enforce it: `session.events` returns `readonly SessionEvent[]` whose *elements* are mutable, and `deriveMessages()` handed the logged `content` arrays/blocks out by reference. The loop then passes those derived messages into the `agent/request` waterfall and on to adapters, where mutating the request is sanctioned — so a request middleware could reach back and rewrite history, silently breaking replay equivalence and the derived-history guarantee. Separately, the event taxonomy (turn/step nesting, seq monotonicity, tool-call/result pairing, legal status transitions) was asserted only where individual tests happened to look. @@ -19,7 +17,9 @@ Reject the pervasive `DeepReadonly<T>` type flip. Instead: The invariants encode the *real* contract, not an idealized one: a `tool/call` may have no `tool/result` (a thrown tool-execution pipeline step ends the turn), and both `idle→disposed` and `running→disposed` are legal. -`DeepReadonly` was rejected because it is compile-time only (a plugin casts straight through it), high type-noise across every log/message consumer and adapter, and would force readonly types through code where mutation is the sanctioned API. The clone draws the mutable/immutable boundary exactly at "logged vs in-flight" without any of that noise. +## Alternatives considered + +**The pervasive `DeepReadonly<T>` type flip** ([the rejected proposal](../../rejected/architecture/2026-06-11-immutable-public-surfaces.md)) — compile-time only (a plugin casts straight through it), high type-noise across every log/message consumer and adapter, and it would force readonly types through code where mutation is the sanctioned API. The clone draws the mutable/immutable boundary exactly at "logged vs in-flight" without any of that noise. ## Consequences diff --git a/docs/rfc/implemented/architecture/2026-06-11-event-sourced-sessions.md b/docs/rfc/implemented/architecture/2026-06-11-event-sourced-sessions.md index 3b20a19ef3..aeea55103d 100644 --- a/docs/rfc/implemented/architecture/2026-06-11-event-sourced-sessions.md +++ b/docs/rfc/implemented/architecture/2026-06-11-event-sourced-sessions.md @@ -1,12 +1,10 @@ # RFC: Event-sourced sessions with derived message history -Status: implemented (accepted 2026-06-11) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> +## Problem -## Context - -The MVP requires strict event-based tracing with fully replayable sessions (严格的基于事件的trace、logging系统，session完全可回放). Two models were considered: a mutable message array with events fired as notifications (simpler, but state and log can diverge), or event-sourcing where the log IS the state. +The MVP requires strict event-based tracing with fully replayable sessions (严格的基于事件的trace、logging系统，session完全可回放). ## Decision @@ -16,9 +14,13 @@ Appends are synchronous (the hot path never blocks on I/O); `session/event` is a Ordering contract: the loop appends to the session *before* emitting the corresponding Cordis event, and the `agent/step-result` waterfall runs before the `assistant/message` append so the log records what tool dispatch actually used (post-review fix; regression-tested). +## Alternatives considered + +**A mutable message array with events fired as notifications** — simpler, but state and log can diverge; with event-sourcing the log IS the state, so divergence is structurally impossible. + ## Consequences - Replay, trace, and telemetry are structurally guaranteed, not bolted on. - Persistence stays a plugin concern; the in-memory store ships in dsh-session. -- The event vocabulary is merge-extensible (plugins add e.g. compaction events); it carries a TODO(review) marker until the first persistence plugin and real adapter exercise it. +- The event vocabulary is merge-extensible (plugins add e.g. compaction events); [session persistence](2026-06-14-session-persistence.md) froze its shape once the log became durable. - Derivation cost grows with log length — compaction (future plugin) is the intended mitigation, not log mutation. diff --git a/docs/rfc/implemented/architecture/2026-06-11-microkernel-event-taxonomy.md b/docs/rfc/implemented/architecture/2026-06-11-microkernel-event-taxonomy.md index 227a72bc40..501f8c7331 100644 --- a/docs/rfc/implemented/architecture/2026-06-11-microkernel-event-taxonomy.md +++ b/docs/rfc/implemented/architecture/2026-06-11-microkernel-event-taxonomy.md @@ -1,12 +1,10 @@ # RFC: Microkernel — extension via Cordis event taxonomy, one concrete loop -Status: implemented (accepted 2026-06-11) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> +## Problem -## Context - -The product principle (see the 微内核Harness实现思路 design doc) is "everything is a plugin": hooks, /goal, /loop, dynamic workflows, compaction, sandboxing, permissions, UI, persistence, MCP, skills must all be writable as plugins without modifying the core. Candidate mechanisms considered: a purpose-built middleware stack (koa-compose style), an explicit phase state machine plugins can insert into, or Cordis's native event system. +The product principle is "everything is a plugin": hooks, /goal, /loop, dynamic workflows, compaction, sandboxing, permissions, UI, persistence, MCP, skills must all be writable as plugins without modifying the core. ## Decision @@ -18,6 +16,10 @@ Pure Cordis event taxonomy. The loop's extension seams are typed events with del The event vocabulary lives in interface packages (dsh-agent declares the agent/* events); `@deepseek-ai/dsh-agent-loop` is the only concrete loop plugin and is itself swappable — nothing outside it may depend on it. +## Alternatives considered + +**A purpose-built middleware stack (koa-compose style)** and **an explicit phase state machine plugins insert into** — both would re-implement dispatch, disposal, and reload semantics that Cordis's native event system already provides; as Cordis effects, listeners get HMR and disposal for free. + ## Consequences - Every MVP feature maps to a listener (the [feature → mechanism map](../../../cookbook/extension-cookbook.md#the-feature--mechanism-map) is the proof obligation, kept current). diff --git a/docs/rfc/implemented/architecture/2026-06-11-runtime-arg-validation.md b/docs/rfc/implemented/architecture/2026-06-11-runtime-arg-validation.md index 5c0aad9eb2..33bf241c74 100644 --- a/docs/rfc/implemented/architecture/2026-06-11-runtime-arg-validation.md +++ b/docs/rfc/implemented/architecture/2026-06-11-runtime-arg-validation.md @@ -1,10 +1,8 @@ # RFC: Runtime arg validation at the model boundary -Status: implemented (accepted 2026-06-13) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem `defineTool` ([the custom schema DSL](2026-06-11-custom-schema-dsl.md)) gives tool authors a typed `execute(args)` via the `InferArgs<S>` mapping. But that type is a compile-time claim about a value that arrives at runtime as model-generated JSON: nothing forced the model to honor the schema, so a malformed call — missing a required key, a string where a number was declared, an enum value outside the set — reached `execute` typed-in-name-only. The tool body then either crashed on the bad shape (a generic stack trace the model can't act on) or, worse, silently misbehaved. Meanwhile the converter already encodes the exact structure a validator would need to walk. @@ -17,6 +15,8 @@ The validator mirrors `schemaSpecToJsonSchema` semantics exactly — same struct ## Consequences - The model gets actionable feedback on its own malformed calls instead of an opaque crash, closing the gap between `InferArgs`'s promise and runtime reality. -- The validator and `InferArgs` must stay in agreement; that drift risk is to be closed by a property test ([property-based testing](../testing/2026-06-11-property-based-testing.md), not yet landed) generating args that satisfy `InferArgs` and asserting they pass `validateArgs`. Until then the agreement rests on the example tests and the shared converter structure. +- The validator and `InferArgs` must stay in agreement; [a property test](../testing/2026-06-11-property-based-testing.md) generates args satisfying a spec and asserts they pass `validateArgs` (with targeted corruptions rejected), closing that drift risk mechanically. - `ToolArgsError` is a plain `Error` with a `code` field for now; if a harness-wide error taxonomy lands it becomes a subclass without changing callers that read `.message`. - Validation cost is negligible next to a model call. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/implemented/architecture/2026-06-11-structured-error-taxonomy.md b/docs/rfc/implemented/architecture/2026-06-11-structured-error-taxonomy.md index 9e4eb0f2fc..35c1917926 100644 --- a/docs/rfc/implemented/architecture/2026-06-11-structured-error-taxonomy.md +++ b/docs/rfc/implemented/architecture/2026-06-11-structured-error-taxonomy.md @@ -1,10 +1,8 @@ # RFC: Structured error taxonomy -Status: implemented (accepted 2026-06-14) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem Failures crossed seams as bare strings. A tool error flattened to a text block — name, code, and stack lost — so a future sandbox/retry plugin couldn't tell ENOENT from EACCES, and the model got less actionable feedback than it could. A non-Error throw degraded further: the loop wrapped it in `new Error(String(x))`, dropping any code. And `LlmError` was the only typed error in the system, with no shared base, so there was nothing for a consumer to `instanceof` against generically. @@ -24,3 +22,5 @@ A single `HarnessError extends Error` base in `dsh-llm` (the leaf package every - One base class is imported widely, but it lives in the package everyone already depends on, so the cost is a single import, not a new edge. - `deriveMessages` does not surface `error` into model history — the model still sees the text block; the structured field is for code and replay. - Reverting this PR returns the earlier errors to plain `Error`+`code` form; nothing else in the stack depends on the shared base. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/implemented/architecture/2026-06-11-tool-schemas-in-prompt-assembly.md b/docs/rfc/implemented/architecture/2026-06-11-tool-schemas-in-prompt-assembly.md index b78aa622ed..5c78ef4280 100644 --- a/docs/rfc/implemented/architecture/2026-06-11-tool-schemas-in-prompt-assembly.md +++ b/docs/rfc/implemented/architecture/2026-06-11-tool-schemas-in-prompt-assembly.md @@ -1,17 +1,19 @@ # RFC: Tool schemas are part of the system-prompt assembly -Status: implemented (accepted 2026-06-11) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> +## Problem -## Context - -On the wire, tool schemas travel in a dedicated `tools` field of the model request, not in prompt text. Architecturally, though, "what the model is told it can do" is one coherent concern: prompt sections and the tool list are assembled from the same plugin contributions and consumed at the same moment. The alternative — the loop querying the tool registry separately from the prompt service — splits one concern across two seams. +On the wire, tool schemas travel in a dedicated `tools` field of the model request, not in prompt text. Architecturally, though, "what the model is told it can do" is one coherent concern: prompt sections and the tool list are assembled from the same plugin contributions and consumed at the same moment. ## Decision `PromptAssembly { sections, tools }`: the system-prompt service collects ordered text sections AND tool schemas (the tool registry auto-contributes a provider). The loop consumes one assembly per step; adapters map `sections` to the provider's system slot and `tools` to the wire `tools` field. The `system-prompt/assemble` waterfall is therefore a single interception point for everything the model is told up front — tool filtering (ToolSearch / progressive disclosure) is an assembly rewrite, same as prompt edits. +## Alternatives considered + +**The loop queries the tool registry separately from the prompt service** — splits one coherent concern across two seams, and every interception that wants to shape "what the model is told" (tool filtering, plan mode) would need two listeners on two surfaces instead of one assembly rewrite. + ## Consequences - One waterfall governs the model's standing context; plugins like plan mode can swap prompt text and visible tools in one listener. diff --git a/docs/rfc/implemented/architecture/2026-06-13-capability-seams.md b/docs/rfc/implemented/architecture/2026-06-13-capability-seams.md index 46bfe88d50..907e4cd86b 100644 --- a/docs/rfc/implemented/architecture/2026-06-13-capability-seams.md +++ b/docs/rfc/implemented/architecture/2026-06-13-capability-seams.md @@ -1,10 +1,8 @@ # RFC: Capability seams — interface / implementation / consumer split -Status: implemented (accepted 2026-06-13) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The harness has swappable capabilities — bash execution today, sandboxed/remote executors and alternative model providers tomorrow. A capability has three concerns that change at different rates and for different reasons: the *contract* (what the capability is), the *implementation* (how it runs), and the *consumer surface* (what the model and other plugins program against). Bundling them in one package couples those rates of change — swapping a local executor for a sandboxed one would churn the tool schemas the model sees, even though the model-facing contract never changed. @@ -20,10 +18,13 @@ A swappable capability is **three packages**: Implementation and consumer then evolve independently: a sandboxed executor replaces `dsh-bash-local` without touching a tool schema. -Alternatives considered: **one combined package** — rejected because it recouples the three rates of change the split exists to separate (the whole point). **`@cordisjs/plugin-capability`** — a different axis entirely: it is a permission/capability-*security* service (named permissions with inheritance, tested against a session via `ctx.capability.test`), a candidate for the deferred permissions/sandbox work on the `tools/pre-execute` deny/ask seam, NOT a mechanism for swapping implementations. Confusing the two ("capability") is the trap this RFC names. - The split is not mandatory when the parts are genuinely one concern: the LLM seam folds interface + consumer into `dsh-llm` (the consumer is the loop itself, not a swappable schema surface) with adapters as the implementation packages. Don't split preemptively — a capability with one conceivable implementation and one consumer stays one package until a second appears. +## Alternatives considered + +- **One combined package** — rejected because it recouples the three rates of change the split exists to separate (the whole point). +- **`@cordisjs/plugin-capability`** — a different axis entirely: it is a permission/capability-*security* service (named permissions with inheritance, tested against a session via `ctx.capability.test`), a candidate for the deferred permissions/sandbox work on the `tools/pre-execute` deny/ask seam, NOT a mechanism for swapping implementations. Confusing the two ("capability") is the trap this RFC names. + ## Consequences More packages and more boilerplate per capability (a `package.json`/`tsconfig`/README trio, the inject wiring). Bought: implementations and consumers ship and version independently, and a new backend never risks the model-facing contract. The rule is documented in [AGENTS.md](../../../../AGENTS.md) § Conventions ("Capability seams are three packages") and [architecture.md](../../../architecture.md) § "Capability seams"; the bash trio is the reference template. When to fold vs. split is a judgment call the architecture doc spells out — this RFC records *why* the default is to split. diff --git a/docs/rfc/implemented/architecture/2026-06-13-twin-llm-adapters.md b/docs/rfc/implemented/architecture/2026-06-13-twin-llm-adapters.md index ecd21b5cc3..7f30240ffd 100644 --- a/docs/rfc/implemented/architecture/2026-06-13-twin-llm-adapters.md +++ b/docs/rfc/implemented/architecture/2026-06-13-twin-llm-adapters.md @@ -1,10 +1,8 @@ # RFC: Two LLM adapters as a design-verification twin -Status: implemented (accepted 2026-06-13) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem `dsh-llm` owns a provider-neutral streaming vocabulary — the `StreamChunk` protocol (`block-start`, `text-delta`, `reasoning-delta`, `tool-call-delta`, `block-end`, `usage`, `finish`) and the content-block types ([the content-block vocabulary](2026-06-11-content-block-vocabulary.md)). A vocabulary defined against a single adapter risks baking that adapter's quirks into the "neutral" contract: anything the one implementation happens to do becomes the de-facto spec, and the abstraction is unverified until a second provider arrives — by which point the leak is expensive to fix. @@ -17,7 +15,10 @@ Ship **two** adapters against the one contract from the start, deliberately buil The rule they enforce: **anything the StreamChunk vocabulary cannot express for BOTH implementations is a core-vocabulary bug**, caught immediately rather than at the next provider. The pair pinned down conventions now documented on `StreamChunk` in `dsh-llm/src/types.ts`: usage emitted before finish, nothing after finish, tool-call `arguments` as raw JSON strings end-to-end, and the two sanctioned error paths (throw from `stream()` *or* end with `finish {kind:'error'|'aborted'}`) that a consumer must handle on both sides — a divergence the library-backed adapter surfaced that a single hand-rolled adapter would have hidden. -Alternatives considered: **a single adapter** — less code and half the e2e cost, but leaves the "provider-neutral" claim unverified; the vocabulary would encode DeepSeek-via-fetch assumptions silently. **A mock second adapter** — cheaper but doesn't exercise a real provider's wire quirks, so it proves little. The twin is real-on-real. +## Alternatives considered + +- **A single adapter** — less code and half the e2e cost, but leaves the "provider-neutral" claim unverified; the vocabulary would encode DeepSeek-via-fetch assumptions silently. +- **A mock second adapter** — cheaper but doesn't exercise a real provider's wire quirks, so it proves little. The twin is real-on-real. ## Consequences diff --git a/docs/rfc/implemented/architecture/2026-06-14-session-persistence.md b/docs/rfc/implemented/architecture/2026-06-14-session-persistence.md index 7abe7ec8ed..1d3ce8929c 100644 --- a/docs/rfc/implemented/architecture/2026-06-14-session-persistence.md +++ b/docs/rfc/implemented/architecture/2026-06-14-session-persistence.md @@ -1,14 +1,12 @@ # RFC: Session persistence as an abstract service over the existing `SessionEvent` -Status: implemented (proposed 2026-06-14, accepted 2026-06-15) - -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> +Status: implemented > Merges the original proposal and the decision record for one topic. The proposal's full method-surface and write-path detail lives in git history; this records the decision and the durable, contested choices. -## Context +## Problem -Sessions lived only in memory. The example `session-jsonl.ts` plugin (duplicated byte-for-byte in both examples) was write-only telemetry: it buffered `session/event` and appended JSON lines, with no read/replay path, no crash-safety (no fsync, no atomic write, a fire-and-forget dispose drain), no listing, and no format versioning. Nothing could rehydrate a past session from disk into a live agent, so durable resume ("continue yesterday's task"), durable forking, and the ACP `session/load` method ([ACP support](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md)) were all impossible. +Sessions lived only in memory. The example `session-jsonl.ts` plugin (duplicated byte-for-byte in both examples) was write-only telemetry: it buffered `session/event` and appended JSON lines, with no read/replay path, no crash-safety (no fsync, no atomic write, a fire-and-forget dispose drain), no listing, and no format versioning. Nothing could rehydrate a past session from disk into a live agent, so durable resume ("continue yesterday's task"), durable forking, and the ACP `session/load` method ([ACP support](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md)) were all impossible. The [event-sourced model](2026-06-11-event-sourced-sessions.md) makes the append-only log the single source of truth and derives LLM history from it. Persistence had to stay faithful to that: persist the existing `SessionEvent` directly, with no parallel "persisted message" type that the log is converted to and from. The backend also had to be swappable — a file store now, a database store later — behind one interface. @@ -27,8 +25,12 @@ Key choices recorded here because they are durable, contested, and surprising: - **Metadata is out-of-log.** Format version, cwd, and lineage are storage concerns, not replayable conversation state, so they live in a `SessionHeader` owned by `dsh-session` and attached to a `Session` via a new readonly `session.header` — never in `SessionEventMap`, never reaching `deriveMessages()`. The alternative (a merge-extensible `session/meta` event as log line 0) was rejected: an in-log event would ride along with a seeded/forked session for free, but metadata is not replayable state, so the explicit out-of-log header seam is the cleaner cost. (The header was originally split into an immutable `SessionHeader` plus a mutable `SessionSummary` whose union was `SessionMeta`; the mutable summary was later removed as dead state — see [Drop the mutable session summary](../simplification/2026-06-19-drop-mutable-session-summary.md).) - **Resume is an async factory, not a change to synchronous create.** `ctx.agents.resume({ resumeSessionId })` awaits `ctx.sessionPersistence.load`, recreates the live session with the loaded events (so `lastTurnNumber`/`deriveMessages` continue), and starts a fresh agent on the resumed id (NOT `${agentId}-session`). The agent-loop does NOT hard-inject `sessionPersistence` (that would pend non-persistent demos forever); `resume` rejects with a clear error when it is absent. +## Alternatives considered + +Each key choice above records its rejected alternative where the choice is stated: a **chunk-filtered canonical log** (Codex's `policy.rs` shape) — breaks the contiguous-seq contract; **truncating a crashed turn** — silently destroys a long autonomous run's real work; an **in-log `session/meta` event as line 0** — metadata is not replayable state; **hard-injecting `sessionPersistence` into the loop** — would pend non-persistent demos forever. + Format versioning: the header carries a `version`; `load` rejects any non-current version (no migration — the pre-release session format is pinned at `SESSION_FORMAT_VERSION = 0` and absorbs shape churn, per the AGENTS.md pre-release stance). Stated honestly: append-only + flush is robust to partial trailing writes (tolerated on load) but not to fsync-less power loss mid-line; a DB/WAL backend is the stronger option later. ## Consequences -Two new packages and the metadata seam in `dsh-session` (`session.header`, the `create(id?, options?)` signature). Bought: durable resume/fork, a read/replay path, crash tolerance, and the foundation the ACP `session/load` ([ACP support](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md)) needs — all over the existing event-sourced log, with the backend swappable behind one interface. The reusable `runPersistenceContract` suite holds every backend to the same append-only / contiguous-seq / lazy-materialization / serializability semantics. This completes [event-sourced sessions](2026-06-11-event-sourced-sessions.md)'s deferred "real persistence backend" and resolves its `TODO(review)` on the event vocabulary: persisting the log freezes its shape, and the `assistant/chunk` fidelity question is answered above (persist verbatim). +Two new packages and the metadata seam in `dsh-session` (`session.header`, the `create(id?, options?)` signature). Bought: durable resume/fork, a read/replay path, crash tolerance, and the foundation the ACP `session/load` ([ACP support](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md)) needs — all over the existing event-sourced log, with the backend swappable behind one interface. The reusable `runPersistenceContract` suite holds every backend to the same append-only / contiguous-seq / lazy-materialization / serializability semantics. This completes [event-sourced sessions](2026-06-11-event-sourced-sessions.md)'s deferred "real persistence backend" and resolves its `TODO(review)` on the event vocabulary: persisting the log freezes its shape, and the `assistant/chunk` fidelity question is answered above (persist verbatim). diff --git a/docs/rfc/implemented/architecture/2026-06-15-turn-enclosure-invariant.md b/docs/rfc/implemented/architecture/2026-06-15-turn-enclosure-invariant.md index 63ebc1c875..10a6209f70 100644 --- a/docs/rfc/implemented/architecture/2026-06-15-turn-enclosure-invariant.md +++ b/docs/rfc/implemented/architecture/2026-06-15-turn-enclosure-invariant.md @@ -1,10 +1,8 @@ # RFC: Every session event is enclosed in a turn -Status: implemented (accepted 2026-06-15) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem A durable session-persistence backend (added in a companion change) uses the **turn** as its crash-recovery boundary: a crash can leave an unclosed final turn, which `load` closes with a synthetic `turn/end {kind:'interrupted'}` while preserving the turn's real events (see [session persistence](2026-06-14-session-persistence.md)). This recovery is only well-defined if nothing *legitimately* durable sits OUTSIDE a turn — between the last `turn/end` and the next `turn/start` — since such an event would be swept into the next turn's interrupted close. @@ -15,8 +13,6 @@ That assumption did not hold. Two paths recorded events outside any turn: In case 2, if the injected `context/message` is the last event before a flush/dispose (no later turn appends a `turn/end`), `scanLog` treats it as crash debris and **drops it on resume** — the injected context is durably on disk but silently lost on reload. Case 1 was benign in isolation (a `user/message` is always followed by the turn it triggered) but made the "what may appear outside a turn" rule fuzzy. -Two ways to fix it: relax the *reader* (let `scanLog` commit events that sit outside an open turn), or constrain the *producer* (make every event turn-enclosed so the reader's simple "last `turn/end`" rule is both correct and complete). We chose the producer-side invariant: a single, checkable rule beats a more permissive boundary scan that has to reason about partial turns *and* loose between-turn events. - ## Decision **Every session event lives inside a turn** — between a `turn/start` and its matching `turn/end`. Concretely: @@ -29,6 +25,10 @@ Two ways to fix it: relax the *reader* (let `scanLog` commit events that sit out The serializability invariant is enforced at the same source boundary (`Session.append` throws on non-JSON-serializable data), so "what may enter the log" is now governed in one place rather than discovered downstream by whichever backend happens to be watching. +## Alternatives considered + +**Relax the reader instead of constraining the producer** — let `scanLog` commit events that sit outside an open turn. Rejected: a single, checkable producer-side rule beats a more permissive boundary scan that has to reason about partial turns *and* loose between-turn events. + ## Consequences The turn is now the *single* durability/replay boundary, so [session persistence](2026-06-14-session-persistence.md)'s crash-recovery rule is complete, not merely sufficient: an interrupted final turn is closed (with a synthetic `turn/end {interrupted}`) and its real events preserved, with zero risk of conflating between-turn context into it, because there is no between-turn context. `scanLog` stays simple (one possibly-open final turn, never a loose between-turn event), and an idle background-task notice survives persist + resume. diff --git a/docs/rfc/implemented/architecture/2026-06-17-filesystem-capability-seam.md b/docs/rfc/implemented/architecture/2026-06-17-filesystem-capability-seam.md index 50925b49cb..0ecf3e0e78 100644 --- a/docs/rfc/implemented/architecture/2026-06-17-filesystem-capability-seam.md +++ b/docs/rfc/implemented/architecture/2026-06-17-filesystem-capability-seam.md @@ -16,9 +16,9 @@ Without a `ctx.fs` interface, swapping local filesystem access for a sandboxed o We need the filesystem tools to land in the same capability-seam shape as bash before they become a public package surface. -## Proposal +## Decision -Introduce filesystem access as a first-class capability seam following [the capability-seam RFC](../../implemented/architecture/2026-06-13-capability-seams.md): +Filesystem access is a first-class capability seam following [the capability-seam RFC](../../implemented/architecture/2026-06-13-capability-seams.md): 1. `@deepseek-ai/dsh-fs` (`packages/fs/fs`) owns the abstract `ctx.fs` service, the filesystem vocabulary types, and the `fs/*` policy event vocabulary. 2. `@deepseek-ai/dsh-fs-local` (`packages/fs/fs-local`) provides the first implementation, backed by the local filesystem. @@ -26,7 +26,7 @@ Introduce filesystem access as a first-class capability seam following [the capa The consumer package depends only on the interface package, never on `dsh-fs-local`. A deployment that wants a different backend loads a different provider for `ctx.fs` without changing the tool schemas or model-facing prompt guidance. -The read-before-write/edit and observed-state policy is a fourth package, `@deepseek-ai/dsh-fs-policy` (`packages/fs/fs-policy`), contributed through the `fs/*` event gate rather than living on `ctx.fs`. This RFC established the three-package seam; the split of policy off the provider base class is decided by [the split-fs-seam RFC](../simplification/2026-06-26-fsspec-style-fs-seam.md), and its realization as an event-gate plugin (not a method service) by [the event-gate RFC](2026-06-26-file-context-as-event-gate.md). This document is updated to describe that landed four-package shape. +The read-before-write/edit and observed-state policy is a fourth package, `@deepseek-ai/dsh-fs-policy` (`packages/fs/fs-policy`), contributed through the `fs/*` event gate rather than living on `ctx.fs`; a deployment loading `dsh-tool-fs` also loads `dsh-fs-policy` to get read-before-write/edit. This RFC established the three-package seam; the split of policy off the provider base class is decided by [the split-fs-seam RFC](../simplification/2026-06-26-fsspec-style-fs-seam.md), and its realization as an event-gate plugin (not a method service) by [the event-gate RFC](2026-06-26-file-context-as-event-gate.md). This document is updated to describe that landed four-package shape. The first backend is deliberately local-only: `dsh-fs-local` implements `ctx.fs` against the host filesystem. Future sibling backends can provide sandboxed, remote, virtual, or project-scoped filesystems behind the same interface. @@ -57,7 +57,7 @@ The root `tool-fs` plugin registers the full filesystem tool suite (`read`, `wri `@deepseek-ai/dsh-fs` owns a semantic filesystem service. It is higher-level than `readFile` / `writeFile` so `tool-fs` does not reimplement path resolution, versioning, text decoding, binary rejection, pagination, atomic replacement, symlink behavior, or literal edit semantics. -The exact TypeScript signatures are implementation details for the PR, but the interface must cover four semantic operations: +The interface covers these semantic operations: - Resolve a model/plugin-supplied path into a backend-defined target. - Stat target metadata without reading file contents. @@ -73,7 +73,7 @@ The provider seam also carries the freshness hooks that policy builds on — but Authorization is version freshness, not a full/partial view distinction: any read records the target's version, and a later write/edit is authorized as long as the file is still at that version — so a windowed read of lines 100-150 authorizes an edit of line 120. The observed-state store is a `WeakMap<owner, Map<targetKey, version>>` inside `dsh-fs-policy`; `dsh-fs` holds none of it and treats the actor as opaque. (This RFC first modeled a `FileState` cache with `full`/`partial` views on `ctx.fs`; the split-fs-seam and event-gate RFCs replaced that with the freshness-based policy plugin described here.) -Path resolution should be explicit and allowed to be async. Local resolution may only normalize a path, but sandboxed/remote/project-scoped backends may need I/O to resolve a user-supplied path into a stable target identity. +Path resolution is explicit and allowed to be async. Local resolution may only normalize a path, but sandboxed/remote/project-scoped backends may need I/O to resolve a user-supplied path into a stable target identity. Resolved targets must expose at least three concepts: @@ -81,7 +81,7 @@ Resolved targets must expose at least three concepts: - An opaque `targetKey`, used for stale guards and file-state lookup. The local backend might use a realpath-like key; a remote backend might use a workspace URI or file id. Consumers must not parse or assume this is a local absolute path. - A `displayPath`, used for model/UI-facing output. It may be a local absolute path, workspace-relative path, or remote URI depending on the backend. -Read and mutation results must include an opaque file `version`. A local backend can use mtime/size or a hash-like token; a remote backend can use a revision id. `ctx.fs` records versions in its file-state store for stale checks; consumers may display related metadata but must not interpret the version token. +Read and mutation results must include an opaque file `version`. A local backend can use mtime/size or a hash-like token; a remote backend can use a revision id. The `dsh-fs-policy` plugin records versions for stale checks; consumers may display related metadata but must not interpret the version token. The provider hands back decoded text: `readText` returns a whole regular text file, `streamText` streams the same text semantics for large files. Both own regular-file checks, bounded line/output handling is NOT theirs — line windowing, numbered-line rendering, and total-line accounting live in the executor (`dsh-tool-fs`), which reads through `ctx.fs` and renders the model-facing window. The provider owns UTF-8 decoding and binary/NUL rejection; it does not know about line windows or views. @@ -89,7 +89,7 @@ Observed-state recording is not on `ctx.fs`: after a successful read the executo Full-file writes create or replace UTF-8 text files. Backends may create parent directories when that behavior is supported and documented. Existing non-regular targets are rejected. `writeText` takes an optional expectation: `createIfAbsent` creates a missing target and rejects an existing one with `FS_NOT_OBSERVED` (the path the policy uses for an unobserved owner); `replaceIfVersion` replaces only when the target exists at the observed version, else `FS_STALE_VERSION`; omitting the expectation is the unconditional bare-provider create-or-overwrite. The policy plugin chooses which expectation to supply from the owner's observed state. -Literal edit is a provider primitive (`editText`), not composed in `tool-fs` from a read plus write. Literal matching, duplicate-match rejection, CRLF preservation, binary rejection, optional stale-version checking, and atomic read-modify-write must stay together inside the backend's mutation critical section. `editText` takes the same optional version expectation; the stale check runs before literal matching so an edit against an old read reports `FS_STALE_VERSION`. A remote backend may implement edit as a native compare-and-edit operation; the consumer should not force local-style composition. +Literal edit is a provider primitive (`editText`), not composed in `tool-fs` from a read plus write. Literal matching, duplicate-match rejection, CRLF preservation, binary rejection, optional stale-version checking, and atomic read-modify-write must stay together inside the backend's mutation critical section. `editText` takes the same optional version expectation; the stale check runs before literal matching so an edit against an old read reports `FS_STALE_VERSION`. A remote backend may implement edit as a native compare-and-edit operation; the consumer does not force local-style composition. The policy plugin, not `ctx.fs`, gates on prior observation: an `edit` requires a prior observation by the owner (else `FS_NOT_OBSERVED`), and the recorded version is passed to `editText` as the CAS basis. With the policy plugin absent, `ctx.fs` alone is a complete unconstrained seam (unconditional write/edit); the tool is never method-coupled to the policy. @@ -114,56 +114,30 @@ Each tool follows the same execution shape: The package registers prompt guidance through `ctx.systemPrompt.section(...)` and registers schemas through `ctx.tools.register(...)`. Tool schemas still flow into the normal prompt assembly path via `SystemPrompt.assemble()` and `ToolRegistry.schemas()`; no agent-loop changes are required. -The tool package must keep model-facing contracts stable when backends change. A local backend and a remote backend may resolve paths differently internally, but the `read` / `write` / `edit` schemas should not change solely because the backend changes. +The tool package keeps model-facing contracts stable when backends change: a local backend and a remote backend may resolve paths differently internally, but the `read` / `write` / `edit` schemas do not change solely because the backend changes. The default deployment requires a prior `read` before updating an existing file with `write` or `edit`. `tool-fs` does not implement this by checking whether a tool named `read` ran: it dispatches the `fs/write-intent`/`fs/edit-intent` events (passing the execution context as the opaque actor), and the `dsh-fs-policy` plugin derives the owner, gates on prior observation, and supplies the version expectation. Any windowed read authorizes a later write/edit as long as the file is unchanged. Creating a new file with `write` does not require prior observation. The root plugin registers the full suite by composing the per-tool registration helpers. It injects `fs`, `tools`, and `systemPrompt`. -## Migration plan +## Testing -This RFC starts from `origin/master`, where no filesystem tool package exists yet. The landed implementation adds the new three-package topology directly: +Tests follow the package boundary, not only the user-visible tools: the service seam in `dsh-fs`; real filesystem behavior through the `ctx.fs` interface in `dsh-fs-local` (resolution, symlinks, streaming, binary/UTF-8 rejection, unconditional and version-guarded writes, literal-edit semantics, line-ending preservation, structured `FsError` codes); the consumer surface in `dsh-tool-fs` against the real local provider (mock only the model/clock, never the collaborator); and integration through `ctx.tools.execute()` with and without `dsh-fs-policy`, world-verified by reading files back from disk rather than trusting the returned `ContentBlock[]`. The observed-state/owner-derivation policy is tested in `dsh-fs-policy`, not here. -1. Add `packages/fs/fs` with the `ctx.fs` abstract service and vocabulary types. -2. Add `packages/fs/fs-local` with the local backend implementation and backend-level tests. -3. Add `packages/fs/tool-fs` with the model-facing `read`, `write`, and `edit` tools over `ctx.fs`. -4. Update `docs/architecture.md`, `packages/README.md`, package READMEs, build/typecheck config, and aggregate maintenance scripts such as `scripts/publint-all.ts`. +The defensive-pattern classes this repo has been bitten by are pinned directly: -This RFC's first landing kept the observed-state store behind `ctx.fs`. The split-fs-seam and event-gate RFCs then moved it into the standalone `@deepseek-ai/dsh-fs-policy` plugin on the `fs/*` event gate, which is the shipped shape; a deployment loading `dsh-tool-fs` also loads `dsh-fs-policy` to get read-before-write/edit. +- **Atomic-write temp-file safety.** Write/edit stage through a private random `0700` directory next to the target with an exclusive owner-only (`'wx'`, `0o600`) temp file, cleanup on failure, and a final atomic rename — mirroring the bash spill-file rules, because predictable world-readable temp paths invite symlink races and disclosure. Tests assert the permissions and that a pre-existing temp path is not clobbered; this primitive is a standing requirement of the seam. +- **`targetKey` identity through symlinks.** Two input paths resolving to the same realpath share one observed-state entry: a `read` via path A satisfies the read-before-edit guard for an `edit` via symlink path B, and a stale write through one path is detected through the other. +- **Concurrency / stale races.** Two concurrent write/edit operations against the same target settle deterministically — one succeeds, the other is rejected with `FS_STALE_VERSION` — and a successful edit refreshes recorded state so the same owner's next edit proceeds. +- **HMR safety and disposal.** Disposing the backend's fiber withdraws the `ctx.fs` provider; a later provider starts with no inherited state. -Example leaf configs stay bash-only in this landing. Wiring `examples/coding-agent` or `examples/acp-agent` to `dsh-fs-local` + `dsh-tool-fs` changes the model prompt, visible tool schemas, and ACP snapshot transcript, so it should land as a follow-up UX/example change with prompt and snapshot updates in the same PR. +## Alternatives considered -If this work is split into multiple PRs, they should follow the seam order: +- **Model-facing tools directly over `node:fs`** — the tool package would own execution policy, path resolution, atomic writes, text decoding, and edit semantics at once, coupling the three independently-changing concerns the Problem names and churning schemas on any backend swap. +- **One combined `dsh-fs-tools` package** — the pre-seam shape; rejected for the same interface/implementation/consumer split as bash, and the combined name never became public surface. +- **Observed-state on `ctx.fs`** — the shape this RFC first landed; superseded by [the split-fs-seam RFC](../simplification/2026-06-26-fsspec-style-fs-seam.md) and [the event-gate RFC](2026-06-26-file-context-as-event-gate.md): a sandboxed/remote backend must not inherit model-facing observation policy, so the provider keeps only the version token and the optional version-guarded mutation. -1. Interface PR: `dsh-fs` only, with service registration and contract tests. -2. Implementation PR: `dsh-fs-local`, with real filesystem behavior tests. -3. Consumer PR: `dsh-tool-fs`, docs, and integration tests; example wiring follows in a separate prompt/snapshot PR. - -The earlier combined package name `@deepseek-ai/dsh-fs-tools` should not become part of the new public surface. - -## Tests - -Tests should follow the package boundary, not only the user-visible tools. - -`dsh-fs` tests cover the service seam itself: a provider registers `ctx.fs`, duplicate providers follow Cordis service behavior, disposal removes the service, and any shared contract helpers or type-level utilities behave as documented. - -`dsh-fs-local` tests cover real filesystem behavior through the `ctx.fs` interface, not through model tools. They should include path resolution, absolute paths, `..` segments, symlinks inside and outside the configured base directory, reading small and large text files, streaming, binary-file rejection, invalid-UTF-8 rejection, abort handling, unconditional and version-guarded full-file writes, `createIfAbsent`/`replaceIfVersion` semantics, parent-directory creation, non-regular target rejection, literal edit success/failure, unique-match enforcement, replace-all behavior, line-ending preservation, stale-version rejection (guarded edit against an old version), and structured `FsError` codes. The observed-state/owner-derivation policy is NOT here — it lives in `dsh-fs-policy` and is tested there. - -Beyond the happy/sad paths above, `dsh-fs-local` tests must cover the defensive-pattern classes this repo has been bitten by: - -- **Atomic-write temp-file safety**, not just cleanup. The atomic replace must write its temp file into a private (`0700`) directory, with a random name and an exclusive owner-only (`'wx'`, `0o600`) open, mirroring the bash spill-file rules — predictable world-readable temp paths invite symlink races and disclosure. Assert the temp file's permissions and that a pre-existing temp path does not get clobbered, alongside the existing cleanup-on-failure path. -- **Implementation requirement:** `dsh-fs-local` write/edit use the same private-temp primitive: a random `0700` staging directory next to the target, an exclusive `0o600` temp file, cleanup on failure, and a final atomic rename. Do not move this RFC to `implemented/` if that primitive regresses or is deliberately revised. -- **`targetKey` identity through symlinks.** Two different input paths that resolve to the same realpath must share one file-state entry: a `read` via path A must satisfy the read-before-edit guard for an `edit` via symlink path B, and a stale write through one path must be detected through the other. This is the contract that makes the stale guard correct, so test it directly. -- **Concurrency / stale races.** The RFC names edit as race-prone (see Risks). Test that two concurrent write/edit operations against the same target settle deterministically: one succeeds and the other is rejected with `FS_STALE_VERSION` rather than silently overwriting, and that a successful edit refreshes recorded state so an immediately-following edit by the same owner proceeds. -- **HMR safety and disposal.** `dsh-fs-local` registers `ctx.fs` and owns the in-memory file-state store, so it needs its own HMR-safety test (register the backend on a fiber, dispose it, assert the `ctx.fs` provider is withdrawn and the file-state store is released — a later provider starts with no inherited state). - -`dsh-tool-fs` tests cover the consumer surface against the real `dsh-fs-local` provider (mock only the model/clock, not the collaborator). They should verify tool schemas, argument validation, prompt-section registration, formatting of successful results, propagation of backend `FsError` codes into `isError` tool results through `ctx.tools.execute()`, that read/write/edit dispatch the `fs/*` events (passing the execution context as the actor), root-plugin suite registration, and HMR cleanup of both tool schemas and prompt sections. - -Integration tests should load `dsh-fs-local` plus `dsh-tool-fs` (and, for the default deployment, `dsh-fs-policy`) and execute `read`, `write`, and `edit` through `ctx.tools.execute()` to prove the packages work together without bypassing the tool registry — including a bare-provider path (no `dsh-fs-policy`) where an unread edit/overwrite succeeds. They must verify the world, not the tool's self-report: after a `write`/`edit`, read the file back from disk and assert byte-identical content (and that untouched files are unchanged), rather than trusting the returned `ContentBlock[]`. Each integration/e2e test owns its resources — create the harness in the test, run against a per-test temporary directory, and dispose the harness and remove the directory in `afterEach` even on failure or timeout. - -Repo gates for the implementation include the focused vitest suites, `pnpm run typecheck`, `pnpm run test:coverage` for runtime code, and build/publint coverage after adding package entrypoints. - -## Risks +## Consequences **`cwd` can be mistaken for a sandbox.** The local backend's base directory is a resolution default, not automatically a containment boundary. If containment is required, it must be enforced by the backend contract or by a permission/sandbox plugin on `tools/execute`. @@ -171,14 +145,14 @@ Repo gates for the implementation include the focused vitest suites, `pnpm run t **The interface can become too thin.** If `ctx.fs` only mirrors `node:fs` primitives, `tool-fs` will reimplement binary detection, pagination, atomic writes, and edit semantics. That recreates the coupling this RFC is trying to avoid. -**Edit semantics are race-prone.** Literal edit is a read-modify-write operation. Without a stale-content guard or backend-level atomic edit primitive, concurrent edits can overwrite each other. The first implementation should document its guarantees clearly; stronger compare-and-swap semantics can be added later if needed. +**Edit semantics are race-prone by nature.** Literal edit is a read-modify-write operation; the guard is the backend's atomic mutation critical section plus the optional version expectation, so concurrent edits settle deterministically — one wins, the other gets `FS_STALE_VERSION`. **Observed state does not belong on `ctx.fs`.** Recording what an execution context has seen is workflow policy, not raw filesystem I/O. This RFC first placed it inside the filesystem seam; the split-fs-seam RFC then established that a sandboxed/remote backend should not inherit model-facing observation policy, and moved it into the `dsh-fs-policy` plugin. The provider seam keeps only what write/edit safety genuinely needs at the storage layer — a backend-minted version token and an optional version-guarded mutation — while the policy plugin owns owner derivation, observed-state, and read-before-edit gating over the `fs/*` events. **The `resolve`-then-operate shape costs an extra round-trip per call.** Each tool may resolve a path to an `FsTarget` and then issue the read/write/edit as a separate `ctx.fs` call. For the local backend this is negligible (resolution is in-memory path normalization), but a remote/sandboxed backend may turn each step into its own request, so a single `read` can become two network round-trips. Backends where the round-trip matters can cache or fold resolution internally while preserving the observable contract. -**File-state persistence is deferred.** The first implementation can keep file state in memory. Resumed sessions should conservatively require files to be read again before write/edit tools accept updates until a future session-event or persistence mechanism makes file state replayable. +**Observed-state persistence is deferred.** Observed state lives in memory (the `WeakMap` inside `dsh-fs-policy`), so a resumed session conservatively requires files to be read again before write/edit until a future session-event or persistence mechanism makes observation replayable. -**Error codes become part of the seam.** `FsError` codes make stale-version and observation failures machine-routable through the existing structured error taxonomy. The cost is that `dsh-fs` imports the shared `HarnessError` base from `dsh-llm`; that dependency is intentional and should stay limited to the error vocabulary. +**Error codes become part of the seam.** `FsError` codes make stale-version and observation failures machine-routable through the existing structured error taxonomy. The cost is that `dsh-fs` imports the shared `HarnessError` base from `dsh-llm`; that dependency is intentional and stays limited to the error vocabulary. **Package churn is front-loaded.** The three-package split adds boilerplate before there is more than one backend. This is intentional: filesystem access is a likely sandbox/remote boundary, and changing the package surface after shipping model-facing tools would be more expensive. diff --git a/docs/rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md b/docs/rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md index 35cb2eb6b3..e786adbfe8 100644 --- a/docs/rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md +++ b/docs/rfc/implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md @@ -6,9 +6,9 @@ Status: implemented Several ACP and tool-bash limitations were symptoms of the same missing seam: plugins could create or resume agents through `ctx.agents`, but they could not own and dispose one agent independently, and long-running bash tasks carried no stable owner in the executor itself. ACP aborted and awaited agents on disconnect but could not unregister just that session's agent; `session/cancel` could not cancel queued-but-not-yet-started work; and `tool-bash` kept task ownership in a plugin-local `Map`, so an HMR reload could make an old task look unowned. -## What was implemented +## Decision -The three seams shipped across a stacked chain of PRs (the queue-aware cancel, the `AgentHandle` disposer, and the bash owner token), each converged independently. +Three seams: the queue-aware cancel, the `AgentHandle` disposer, and the bash owner token. ### 1. Queue-aware `Agent.cancel(reason?)` @@ -24,7 +24,9 @@ A new `cancel()` verb on the `Agent` interface — the single public stop primit Background-task ownership moved from a `tool-bash` plugin-local `Map<string, Agent>` into the executor. `BashExecRequest` gains an optional `owner?: string`; the resolved `BashExecSpec` carries it as required-but-nullable `owner: string | undefined` (a forgotten owner is a visible `undefined`, never a silently-absent property). The executor stores the token on its task and exposes it via a new `BashExecutor.ownerOf(id): string | undefined` seam (NOT on the public `BashTask` — one read path, no redundant API). `tool-bash` deletes its `Map` entirely: it stamps `exec.agent?.session.header.id` as the owner at `start`, and `bash_output`/`bash_kill` compare `ctx.bash.ownerOf(id)` to the caller's token with `!== undefined` semantics (an empty-string token is still a real owner). The completion notice finds the live agent by scanning `ctx.get('agents')?.list()` for `agent.session.header.id === ownerToken` (read via `ctx.get` — `onTaskDone` runs on the bash fiber, a foreign fiber, where the `ctx.agents` proxy would throw). Because ownership now lives on the task in the executor (disposed with the `dsh-bash` fiber), it SURVIVES a `tool-bash` HMR reload — closing the old `XXX(tool-bash-owner-hmr)` gap. (The `onTaskDone` listener is still effect-scoped to `tool-bash`'s `apply`, so a completion landing during the reload gap still drops its one notice — the pre-existing reload-gap drop — but the ownership fence itself is HMR-proof.) -## Acceptance Criteria (met) +## Verification + +These invariants hold and are pinned by tests: - ACP disconnect/session close leaves no registered agent AND no session-store entry for that session, even when `session/load` races teardown. - `session/cancel` before a queued prompt starts prevents that prompt from running and cannot batch the next prompt into the cancelled turn. @@ -37,6 +39,12 @@ The bash owner-token comparison relies on `session.header.id` being unique among The planned resolution is to remove the precondition by construction — see [unify the agent id and the session id](../../proposed/simplification/2026-06-20-unify-agent-and-session-id.md): once an agent IS its session (one id), the registry's existing unique-`agentId` check is a unique-session-id guarantee and no two live agents can share a session token. -## Notes +## Alternatives considered + +- **A public `BashTask.owner` field** instead of the `BashExecutor.ownerOf(id)` seam — rejected: one read path, no redundant API. +- **Sibling cordis effects for the agent's session lifecycle** — rejected: a fiber unload disposes sibling effects concurrently (`Promise.all`), racing the session's `onAppend` detach against the loop's closing `session/flush`; the single composite effect's ordered LIFO chain is what captures the closing `turn/end` on both disposal paths. +- **A separate step-only `abort()` beside `cancel()`** — shipped originally, then removed as unused; `cancel()` is the single public stop primitive ([the public-stop-surface RFC](../simplification/2026-06-20-public-agent-stop-surface.md)). + +## Consequences This touched public interfaces (`Agent`, `AgentFactory`, the bash seam) deliberately, not as a local ACP patch. The simple synchronous `Agent.send()` ergonomics were preserved; the async lifecycle path is additive, for owners that need it. diff --git a/docs/rfc/implemented/architecture/2026-06-18-session-surface.md b/docs/rfc/implemented/architecture/2026-06-18-session-surface.md index 3f4419b5ca..4c8b5a81e3 100644 --- a/docs/rfc/implemented/architecture/2026-06-18-session-surface.md +++ b/docs/rfc/implemented/architecture/2026-06-18-session-surface.md @@ -1,8 +1,8 @@ # RFC: Session surface — a linked list over the event log for LLM message derivation -Status: implemented (accepted 2026-06-18) +Status: implemented -## Context +## Problem The `Session` event log is the single source of truth ([event-sourced sessions](2026-06-11-event-sourced-sessions.md)), but the only view over it was `deriveMessages()` — a linear scan that filtered and transformed raw events into `Message[]`. This creates problems for session-history-manipulating plugins (compaction, tool-call result pruning, etc.). Without a central mechanism, each plugin would need to wrap `agent/request` to rewrite the message list — a pattern that suffers from listener-ordering fragility, provides no durable record of what was changed, and forces repeated changes to the core `deriveMessages()` whenever a new manipulation is added. A central hub in the `session` package, with a provenance-recording mechanism and enough flexibility for future plugins to manipulate session history through a stable API, lays a solid foundation for plugin development. @@ -29,13 +29,11 @@ export type SurfaceOp = 2. **Replace** — remove nodes from `start` through `end` (both inclusive) and insert a new node in their place. Both `start` and `end` must be valid surface node seqs in the current surface; `start === end` replaces a single node. The node's `sourceEventSeqs` must contain every shadowed surface node. The shadowed events remain in the log but are no longer on the surface. -The both-ends-inclusive design was chosen over half-open `[start, endExclusive)` because the surface is a doubly-linked list — both ends are naturally named by node seqs, and single-node replacement (`start === end`) is a common case that reads naturally with inclusive semantics. - ### SurfaceManager: delta-based, not full rebuild A `SurfaceManager` class (private to `Session`) maintains the cached linked list. It tracks `_lastProcessedSeq` and processes only the **delta** (new events since the last access) rather than rescanning the entire log. Because the log is append-only, prior events never change — full rebuild is only needed after a wholesale log replacement (e.g., seeding). -Why delta processing? The naive approach (a dirty flag + full rebuild on every access) would be O(N²) over a session's lifetime — every single-event append triggers a complete scan of all prior events. Delta processing is O(1) when no new events and O(new events) when new events arrive. +Delta processing is O(1) when no new events and O(new events) when new events arrive. `deriveMessages()` uses the surface when surface markers exist, falling back to the existing linear scan for sessions without markers (backward compatibility). @@ -53,6 +51,12 @@ The dev-mode invariants plugin validates: `sourceEventSeqs` references (non-empt Because the surface is the SOLE derivation path, a surface-eligible event that carries no `surfaceOp` marker is invisible to `deriveMessages()` — it would land in the log yet silently drop from history on resume/fork. `append`'s typed overload makes the marker mandatory for `SurfaceEventType` events at compile time, but only when the type argument is a SPECIFIC literal; when it widens to the `SessionEventType` union (a caller iterating raw events, e.g. `for (const e of log) append(e.type, e.data)`) the conditional rest collapses to optional and the compiler stops enforcing it. The marker requirement is therefore ALSO checked at runtime in two places: `append` itself throws on a marker-less surface-eligible event (covering the union-widening loophole), and the `Session` seed constructor re-checks the same invariant (alongside its seq-contiguity and JSON-serializability checks) so a seed/load/fork — which arrives as raw `SessionEvent[]`, bypassing `append` — is REJECTED rather than constructing a session that resumes with missing history. (No backward-compat path for surface-less logs: per the pre-release stance there is no persisted user data to preserve, so such a log is rejected, not upgraded.) +## Alternatives considered + +- **Per-plugin `agent/request` wrapping** (the pre-surface pattern for history manipulation) — listener-ordering fragility, no durable record of what was changed, and every new manipulation forces another change to core `deriveMessages()`. +- **Half-open `[start, endExclusive)` replace ranges** — rejected: the surface is a doubly-linked list whose ends are naturally named by node seqs, and single-node replacement (`start === end`) reads naturally with inclusive semantics. +- **Full rebuild behind a dirty flag** instead of delta processing — O(N²) over a session's lifetime: every single-event append would rescan all prior events. + ## Consequences - **`packages/core/session`**: New `surface.ts` (`SurfaceManager`), new types (`SurfaceOp`, `SurfaceIntent`), new fields on `SessionEvent`, modified `append()` (third required `SurfaceIntent` param), refactored `deriveMessages()` (walks the surface as the sole derivation path), surface-aware `repair.ts`. The seed constructor rejects a surface-eligible seed event missing its `surfaceOp` marker (see § Invariants). diff --git a/docs/rfc/implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md b/docs/rfc/implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md index 44ae67f872..5923ff434f 100644 --- a/docs/rfc/implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md +++ b/docs/rfc/implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md @@ -1,6 +1,6 @@ # RFC: Shared persistence write coordinator -Status: implemented (proposed and accepted 2026-06-18, implemented 2026-06-20) +Status: implemented ## Problem @@ -32,6 +32,11 @@ The single design choice that keeps the seam clean: the crash-repair "where is t The shared `runPersistenceContract` (public-API contract) keeps running for every backend. A new `runCoordinatorContract` (`tests/coordinator-contract.ts`) holds the write-path orchestration — adoption, HMR, collision, dispose-drain, crash-tail repair — and runs once per backend through a `CoordinatorFixture` (an in-memory reference + jsonl + sqlite). The per-backend specs shrank to storage mechanics only (JSONL: path safety, fsync rollback, bucket listing; SQLite: schema version, `scanRows`, transaction rollback). A through-coordinator torn-tail→load→`commitRepair` test per real backend (via a `corruptTail` fixture hook) keeps the coordinator's torn-marker repair branch covered under the 100% per-file gate — the contract crash test only produces synthetic closers, never a torn marker, so it could not reach that branch. -## Risks and what we gave up +## Alternatives considered + +- **A base class the backends extend** — rejected for composition: a backend exposes only the hooks, cannot reach the coordinator's private orchestration state, and a third-party backend may still implement the abstract service directly without the coordinator at all. +- **A wider hook surface** — each candidate hook folded away: there is no separate `materialize` hook (the materialize-write must commit atomically with the first event batch inside `appendBatch`), no separate create-collision probe (it is `loadStored(id) !== undefined`), and no coordinator pass-through for `list()` (listing needs none of the orchestration). + +## Consequences The pre-extraction duplication was verbose but explicit — each backend read top-to-bottom. The coordinator adds one indirection (the hook seam) and one new concept (the opaque torn marker). This clears the bar because the centralized logic is the correctness-heavy part that was already being fixed twice, and the hook set is narrow (six methods, no inheritance). The hook surface was deliberately held to the minimum: the create-collision probe is NOT a separate hook — it folds into `loadStored(id) !== undefined`; there is no separate `materialize` hook (folded into `appendBatch` for atomicity); `list()` stays a backend method with no coordinator pass-through (listing needs none of the orchestration). The net effect is a reduction: one orchestration copy instead of two, the backends shrank by ~1200 lines of duplicated churn, and a future backend implements a handful of small primitives instead of copying the entire `session/event` → buffer → flush machinery. diff --git a/docs/rfc/implemented/architecture/2026-06-20-branded-ids.md b/docs/rfc/implemented/architecture/2026-06-20-branded-ids.md index 0b4975089d..8171a05d30 100644 --- a/docs/rfc/implemented/architecture/2026-06-20-branded-ids.md +++ b/docs/rfc/implemented/architecture/2026-06-20-branded-ids.md @@ -1,6 +1,6 @@ # RFC: Branded IDs everywhere they belong -Status: implemented (proposed and accepted 2026-06-20) +Status: implemented ## Problem @@ -12,7 +12,7 @@ The bash **owner token** is the related sub-case: `BashExecRequest.owner?: strin **Gap 2 — brand erosion at the seams of the *already-branded* IDs.** Even `CallId`/`SessionId`/`AgentId` decay back to bare `string` at exactly the places confusion is most likely: the registry/store `Map` key types and most public method params. Representative sites: `SessionStore.store = new Map<string, Session>()` and `create`/`prepare(id?: string)`/`get(id: string)` (`packages/core/session/src/index.ts`); `AgentRegistry.store = new Map<string, Agent>()` and `register`/`get(id: string)` (`packages/core/agent/src/index.ts`); `ToolPresenter.pending = new Map<string, …>()` keyed by call id and `call(callId: string)`/`result(callId: string)` (`packages/ui/acp/src/index.ts`); the ACP session-id surface beyond the store map — `SessionRecord.sessionId: string`, `bySession = new WeakMap<Agent, string>()`, `loadingIds = new Set<string>()`, `requireSession(sessionId: string)`, and the exported `streamSessionEventUpdate(sessionId: string, …)` (`packages/ui/acp/src/index.ts`); and the persistence coordinator's `Map<string, …>` keyed by session id (`packages/session-persistence/session-persistence/src/coordinator.ts`). A brand that is dropped at the `Map` key buys nothing on lookups — the value of the existing brands is partly unrealized. -## Proposal +## Decision A type-only change. Brands are zero-cost casts; nothing about runtime behavior, serialization, comparison, or the wire format changes. The work is in three parts, all honoring the existing "not every string" policy. @@ -40,7 +40,9 @@ export function OwnerToken(id: string): OwnerToken { } ``` -## Why a distinct OwnerToken brand (not SessionId) +## Alternatives considered + +### Why not typing `owner` as `SessionId`? The obvious shortcut is to type `owner` as `SessionId` directly — it always *is* one. We reject that. The bash executor seam is a capability seam (interface `dsh-bash`, implementation `dsh-bash-local`, consumer `dsh-tool-bash`) and its owner token is *documented as deliberately opaque*: the executor "never interprets it (no access policy lives in the seam — that is the consumer's job)" (`packages/bash/bash/src/types.ts`). Typing the seam's field as `SessionId` would import `dsh-session`'s vocabulary into a package that must not know what an owner token *means* — it would couple a generic execution backend to the session model and contradict the opaque-token design. A sandboxed or remote executor that replaces `dsh-bash-local` should not inherit a session dependency. The distinct `OwnerToken` brand keeps the seam decoupled: `dsh-bash` knows only "an owner is some opaque branded token," and the `dsh-tool-bash` consumer — which already decides the access policy — is the single boundary that casts its `SessionId` into an `OwnerToken`. The brand still delivers the safety win (you cannot pass a `BashTaskId` or a raw string where an owner is expected) without the coupling. @@ -54,15 +56,12 @@ Kept deliberately narrow per the "not every string needs a brand" policy. Each o - **Numeric ordinals** — turn number, step number, and the event `seq` are `number`, not `string`, so `Branded<string>` does not apply; a parallel `number & { readonly [BRAND]: B }` variant could brand them, but they are positional ordinals rarely passed across boundaries, so the payoff is low. - **Validated construction** — the brand factories are pure casts with no runtime check, and every boundary (ACP `sessionId`, provider-issued `call.id`, the empty-string fallback in `dsh-llm-deepseek`) trusts the raw string today. A `SessionId.parse()` / `isValid()` companion that throws on malformed input at boundaries is a genuine gap, but it is a *runtime-behavior* change with its own design (what is "malformed"? what do we do on failure?) and belongs in its own RFC, not bundled into this type-only pass. -## Acceptance criteria +## Verification -- `BashTaskId` and `OwnerToken` are defined in `dsh-bash` and threaded end-to-end: the executor seam, the `dsh-bash-local` generation site, and the `dsh-tool-bash` model-facing surface all speak the brands; `dsh-bash` gains no dependency on `dsh-session`. -- No collection keyed by an in-scope branded id (`CallId`/`SessionId`/`AgentId`/`BashTaskId`) is keyed by bare `string` — this covers `Map`, `WeakMap` value slots, and `Set` membership (e.g. the ACP `bySession`/`loadingIds`), not just `Map<string, …>`; the corresponding public method params and exported function signatures (e.g. `streamSessionEventUpdate`) take the brand, not `string`. -- Brands are constructed via the cast factory at each boundary where a raw string enters (provider call id, ACP session id, model-supplied `task_id`); no `as` casts scattered at call sites. -- `pnpm run typecheck` and `pnpm run doc-sync` are green; the change is observably type-only (no snapshot, no e2e behavioral diff). +The landed invariants: `BashTaskId` and `OwnerToken` are defined in `dsh-bash` and threaded end-to-end (executor seam, the `dsh-bash-local` generation site, the `dsh-tool-bash` model-facing surface) with no `dsh-bash` dependency on `dsh-session`; no collection keyed by an in-scope branded id (`CallId`/`SessionId`/`AgentId`/`BashTaskId`) is keyed by bare `string` — `Map` keys, `WeakMap` value slots, `Set` membership (the ACP `bySession`/`loadingIds`), public method params, and exported signatures (`streamSessionEventUpdate`) all take the brand; and brands are constructed via the cast factory at each boundary where a raw string enters (provider call id, ACP session id, model-supplied `task_id`), never as scattered `as` casts. -## Risks / what we give up +## Consequences -- **Mechanical churn across two surfaces.** Propagating brands touches the bash seam (interface + impl + consumer) and the ACP session-id surface plus the persistence coordinator. The risk is broad but low-severity: a missed site is a compile error, not a silent bug. It ships as its own PR, converged with Codex, and stacks naturally near the [unify-the-agent-id-and-the-session-id](../../proposed/simplification/2026-06-20-unify-agent-and-session-id.md) work (both touch the session-id / owner-token boundary; if that proposal lands first, `OwnerToken` still stays distinct from the unified id for the decoupling reason above). +- **Mechanical churn across two surfaces.** Propagating brands touches the bash seam (interface + impl + consumer) and the ACP session-id surface plus the persistence coordinator. The churn is broad but low-severity: a missed site is a compile error, not a silent bug. The change is observably type-only — no snapshot or e2e behavioral diff. It sits next to the [unify-the-agent-id-and-the-session-id](../../proposed/simplification/2026-06-20-unify-agent-and-session-id.md) proposal (both touch the session-id / owner-token boundary); if that proposal lands, `OwnerToken` still stays distinct from the unified id for the decoupling reason above. - **Brands do not validate.** A brand is a confusability guard, not a correctness proof: a *wrong* session id that is still a well-formed string passes the type checker exactly as before. This RFC does not close that gap (see Out of scope) — it only stops the *category* error of passing the wrong *kind* of id. - **The "where to stop" line stays a judgment call.** Branding `BashTaskId` but not `ToolName`, `OwnerToken` but not `ModelId`, is a taste call about which strings "could plausibly be confused." Reasonable reviewers may want more or fewer; the policy in `brand.ts` is the tie-breaker, and this RFC errs toward the ids that are model-facing or used for access control. diff --git a/docs/rfc/implemented/architecture/2026-06-20-extract-example-app-packages.md b/docs/rfc/implemented/architecture/2026-06-20-extract-example-app-packages.md index 02517d7322..0d8d6c02b4 100644 --- a/docs/rfc/implemented/architecture/2026-06-20-extract-example-app-packages.md +++ b/docs/rfc/implemented/architecture/2026-06-20-extract-example-app-packages.md @@ -8,13 +8,13 @@ An example folder is supposed to be *thin* — the variable wiring of a demo, no The deeper problem was a **coupled front-door cluster** that lived at the leaf with nothing enforcing it. Choosing the ACP bridge over `ui-stdio` was not one swappable line: an ACP server must **drop the stdout console logger** (stdout is the JSON-RPC channel — a stray log corrupts the frames) and pre-create **no** agents (ACP `session/new` creates them on demand), whereas the stdio app needs a console logger and a pre-created `main`. (`timer` is the one infra plugin common to both — it writes nothing to stdout — so it belongs in the shared spine, not the cluster.) That coupling was enforced only by prose warnings in the leaf YAML. A leaf that wired a console logger into the ACP config was a one-line, comment-only mistake away — exactly the [stdout-purity footgun](../feature/2026-06-18-acp-terminal-and-tool-rendering.md) the examples guarded by hand. The three `start.ts` files also duplicated the Loader-boot tail, the `.env` loader, and (for ACP) snapshot-mode branching and the stdin-dispose lifecycle. -## What shipped +## Decision Each example is now **mostly an invocation of an app package**, splitting the wiring along the existing [interface / implementation / consumer seam](2026-06-13-capability-seams.md): the **app package owns the composition**, the leaf `cordis.yml` owns only the **swappable choices** (which LLM adapter, which bash executor, model, prompt, persistence root). -- **`@deepseek-ai/dsh-agent-core`** ([packages/core/agent-core](../../../../packages/core/agent-core)) — a Cordis bundle plugin for the providerless, executor-less, UI-less spine: `timer` + `llm` + sessions + system-prompt + tools + agents + invariants + `tool-bash` + `agent-loop`, mounted as child plugins inside its `apply(ctx)` via `ctx.plugin(...)`. This is the old `base-core.yml` **minus** `bash-local`, **plus** `timer` and the loop, as code instead of a YAML include. The bundle **forwards** `agent-loop`'s `agents` list as its own config (`export const Config = AgentLoop.Config`, default `[]`, the existing `AgentLoop.Config` shape in [packages/core/agent-loop/src/index.ts](../../../../packages/core/agent-loop/src/index.ts)) — so each app supplies its own pre-created agents. This is precisely the reason the old `base-core.yml` gave for keeping `agent-loop` *out* of the shared core ("the examples disagree — stdio needs a pre-created `main`, acp needs none"); forwarding the config dissolves that objection — the loop is shared, the agents list is per-app. The bundle children register into the root service store, so a leaf-mounted sibling (the adapter, the executor) sees them exactly as a nested `plugin-include` subtree's services were seen before. Depending on the CONCRETE `dsh-agent-loop` (not just the `dsh-agent` interface) is deliberate and is the sanctioned exception to the "extension plugins depend on interfaces, never on the concrete loop" rule (packages/README.md, docs/architecture.md § Layering): the rule constrains plugins that EXTEND the system, whereas this bundle's whole job is to COMPOSE the concrete spine. Swapping the loop means publishing a different bundle, not rewiring every extension. +- **`@deepseek-ai/dsh-agent-core`** ([packages/core/agent-core](../../../../packages/core/agent-core)) — a Cordis bundle plugin for the providerless, executor-less, UI-less spine: `timer` + `llm` + sessions + system-prompt + tools + agents + invariants + `tool-bash` + `agent-loop`, mounted as child plugins inside its `apply(ctx)` via `ctx.plugin(...)`. This is the old `base-core.yml` **minus** `bash-local`, **plus** `timer` and the loop, as code instead of a YAML include. The bundle **forwards** `agent-loop`'s `agents` list as its own config (`export const Config = AgentLoop.Config`, default `[]`, the existing `AgentLoop.Config` shape in [packages/core/agent-loop/src/index.ts](../../../../packages/core/agent-loop/src/index.ts)) — so each app supplies its own pre-created agents. This is precisely the reason the old `base-core.yml` gave for keeping `agent-loop` *out* of the shared core ("the examples disagree — stdio needs a pre-created `main`, acp needs none"); forwarding the config dissolves that objection — the loop is shared, the agents list is per-app. The bundle children register into the root service store, so a leaf-mounted sibling (the adapter, the executor) sees them exactly as a nested `plugin-include` subtree's services were seen before. Depending on the CONCRETE `dsh-agent-loop` (not just the `dsh-agent` interface) is deliberate and is the sanctioned exception to the "extension plugins depend on interfaces, never on the concrete loop" rule (packages/README.md, docs/architecture.md § Service map): the rule constrains plugins that EXTEND the system, whereas this bundle's whole job is to COMPOSE the concrete spine. Swapping the loop means publishing a different bundle, not rewiring every extension. - **`@deepseek-ai/dsh-stdio-agent`** ([packages/ui/stdio-agent](../../../../packages/ui/stdio-agent)) and **`@deepseek-ai/dsh-acp-agent`** ([packages/ui/acp-agent](../../../../packages/ui/acp-agent)) — app packages, each consuming `dsh-agent-core` and **baking in its coupled front-door cluster**: stdio = `ui-stdio` + console logger + a pre-created `main`; acp = the `acp` bridge + JSONL persistence + **no stdout logger** + no pre-created agents. The leaf no longer carries the cluster, so it has no logger entry to copy wrong by default — the common stdout-purity mistake loses its foothold. (A leaf can still *add* a sibling logger entry — a package cannot forbid what a leaf author writes — so the rule "never add a stdout logger to an ACP leaf" stays documented at the leaf; what changed is that the default leaf has nothing to get wrong.) They land under the existing `ui` group alongside `acp`, so no new package group (and no `tsconfig`/`packages/README` group plumbing) was needed. -- **`start.ts` is gone.** Each app package exposes a `bin` (`dsh-stdio-agent` / `dsh-acp-agent`); the `demo:*` scripts invoke it (e.g. `dsh-stdio-agent ./cordis.yml`). The Loader-boot tail, `.env` loading, snapshot-mode selection, and stdin-dispose lifecycle moved into that bin, owned by the app. The `bin.ts` files are coverage-excluded (a self-executing CLI entry, like the old `start.ts`) and driven by the keyless Loader-path tests. +- **`start.ts` is gone.** Each app package exposes a `bin` (`dsh-stdio-agent` / `dsh-acp-agent`); the `demo:*` scripts invoke it (e.g. `dsh-stdio-agent ./cordis.yml`). The Loader-boot tail, `.env` loading, and fail-loud guards live in the shared [`@deepseek-ai/dsh-app-boot`](../../../../packages/ui/app-boot) package (unit-tested under the per-file coverage gate — see [share the app bins' boot glue](../simplification/2026-07-04-share-app-bin-boot-glue.md)); each bin is a thin self-executing composition over those helpers plus its app-specific lifecycle (the ACP bin: snapshot-mode selection and stdin-dispose). The `bin.ts` files themselves stay coverage-excluded (self-executing CLI entries, like the old `start.ts`) and are driven by the keyless Loader-path tests. - **Each leaf `cordis.yml` collapses** to backends + config: the LLM adapter (`llm-deepseek` with apiKey/models, or `llm-replay`), the bash executor (`bash-local`), `hmr` for the stdio demos (see the amendment below), and one app entry carrying the app's config (model, system prompt, persistence root — surfaced as the app package's own `Config`, which routes each value to wherever the app wires it: stdio onto its pre-created agent, acp onto the bridge plugin). - **echo-agent folds onto `dsh-stdio-agent`**, swapping the LLM backend to the local `mock-llm` and adding the local `echo-tool` (plus `bash-local`, which the spine's `tool-bash` injects) at the leaf — the clean demonstration of "swap the backend, keep the app". `mock-llm.ts` / `echo-tool.ts` stay as example-local teaching plugins. - **`base.yml`, `base-core.yml`, and `acp-agent/acp-tail.yml` are retired** — the spine they shared now lives in `dsh-agent-core`. @@ -30,7 +30,9 @@ The proposal listed `hmr` among the stdio app's baked-in front-door cluster. Val Crucially, `hmr` is **not** a stdout-purity footgun the way the console logger is — a stray `hmr` in the ACP config would not corrupt the JSON-RPC frames — so leaving it at the leaf costs none of the safety the coupling argument is about. The **logger** (the real coupling) stays baked in: the stdio app includes it, the ACP app omits it. -## Why not keep the wiring in shared YAML includes? +## Alternatives considered + +### Why not keep the wiring in shared YAML includes? The old `base*.yml`/`acp-tail.yml` includes already deduped the *config*, but a YAML include cannot **encapsulate** the front-door coupling — it can only describe it in a comment and trust every leaf to obey. It also cannot own a `bin`, so the boot glue stayed copied across three `start.ts` files. A package turns "the ACP app never logs to stdout" from a prose warning into a property of the artifact: there is no logger entry in the leaf to get wrong. @@ -41,7 +43,7 @@ The old `base*.yml`/`acp-tail.yml` includes already deduped the *config*, but a - The new packages carry the per-file 100% coverage gate and a README like every `@deepseek-ai/dsh-*`. Each app package has a keyless **real-load-path** smoke that boots it through its `bin` + the cordis Loader (not a hand-built `ctx.plugin({...})` mount), guarding the `unwrapExports` export-shape bug class ([postmortem 0001](../../../postmortem/0001-acp-default-export-drops-inject.md)). - The ACP snapshot **replay** transcript is unchanged: the boot restructuring preserved the plugin set + load order, so `pnpm run test:snapshot` stays green against the committed goldens with no re-record. -## What we give up +## Consequences - **The bare-plugin-tree pedagogy.** echo-agent's inlined `cordis.yml` showed every plugin at once; the spine now lives behind a bundle, so seeing the whole tree means opening `dsh-agent-core`. The app package's README carries that teaching weight. - **A layer of indirection.** "What does this demo load?" becomes a package read, not a single YAML scan. diff --git a/docs/rfc/implemented/architecture/2026-06-20-package-hierarchy.md b/docs/rfc/implemented/architecture/2026-06-20-package-hierarchy.md index 8b198ed9c6..89b50eb3df 100644 --- a/docs/rfc/implemented/architecture/2026-06-20-package-hierarchy.md +++ b/docs/rfc/implemented/architecture/2026-06-20-package-hierarchy.md @@ -8,7 +8,7 @@ Status: implemented This was not just cosmetic. Because every top-level package looked like part of the same public surface, future removal was harder, and publish/lint/doc scripts had to encode intent through comments or hand-maintained static lists rather than reading it off the layout. -## What landed +## Decision Packages are grouped by modular role at a uniform `packages/<group>/<pkg>/` depth. Group directories are pure containers (no `package.json`); every package keeps its `@deepseek-ai/dsh-<pkg>` name — this is repo structure and maintenance policy, not package renaming. @@ -62,6 +62,12 @@ Two doc-sync/hygiene gates keep the structure and its references honest, so the - `scripts/verify-package-paths.ts` flags a `packages/<path>` reference (in Markdown or a `.ts` comment/string) that does not resolve **and** names a real package in a segment — i.e. a stale path to a moved package. A path naming a package that exists nowhere (a forward-looking proposal) is left alone, so the gate applies uniformly across proposed/implemented/rejected. - `scripts/check-workspace-constraints.ts` asserts the `packages/<group>/<pkg>` shape: group dirs carry no `package.json`, and no package sits flat at the root or nests deeper. Group names stay open — a new group may be added without editing the gate; only the depth-2 shape is fixed. -## What we gave up +## Alternatives considered + +- **A third tier (`adapters/` / `impls/` under each family)** — rejected: uniform depth 2 keeps the workspace glob a clean `packages/*/*` and lets one `@deepseek-ai/dsh-*` tsconfig wildcard resolve every package. +- **Nesting persistence under `core/session/`** — rejected: the storage backends form a parallel capability family mirroring `llm/` and `bash/`, while the session log itself stays core product API. +- **`ui-stdio` under `ui/`** — rejected: it is example-coupled dev support, not a product surface; `acp` is the only `ui/` member because an editor actually drives it. + +## Consequences The restructure churned imports, workspace globs, doc links, build references, and package paths in one coordinated move. That churn is acceptable pre-release (per the AGENTS.md foundation-over-blast-radius stance) because it stops the flat layout from fossilizing support packages as product contracts, and it is a one-time cost: the wildcard `paths`, the glob-derived publint list, and the shape gate mean a new package needs no further structural edits. diff --git a/docs/rfc/implemented/architecture/2026-06-21-mandatory-app-attribution-headers.md b/docs/rfc/implemented/architecture/2026-06-21-mandatory-app-attribution-headers.md new file mode 100644 index 0000000000..df4914f105 --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-06-21-mandatory-app-attribution-headers.md @@ -0,0 +1,82 @@ +# RFC: Mandatory `User-Agent` attribution for provider requests + +Status: implemented + +## Problem + +LLM provider requests should identify the product making them. That is useful for provider-side support, abuse investigation, compatibility debugging, and traffic analytics. Before this RFC the harness only partially did this: the hand-rolled DeepSeek adapter sent a hand-copied `User-Agent` constant (`packages/llm/llm-deepseek/src/adapter.ts`), while the pi-ai-backed twin sent no harness-owned headers at all (`packages/llm/llm-pi-ai/src/adapter.ts`). New adapters could therefore omit attribution silently, and a library-backed adapter could drift from the hand-rolled adapter even though [the twin-adapter RFC](2026-06-13-twin-llm-adapters.md) exists to keep the provider seam honest across both implementations. + +The immediate prompt came from OpenRouter's [App Attribution](https://openrouter.ai/docs/app-attribution) docs. OpenRouter creates app pages and rankings from `HTTP-Referer` plus display/category headers. That is valuable, but it is not the HTTP standard for application identity. The risk is adopting OpenRouter's exact header set as if it were universal, then leaking provider-specific headers to direct DeepSeek requests, future OpenAI/Anthropic/Vertex adapters, test servers, or proxies that log unknown fields indefinitely. + +## Investigation + +- **OpenRouter's mechanism is provider-specific.** Their current docs say app attribution is tracked through `HTTP-Referer` (required), `X-OpenRouter-Title`, and `X-OpenRouter-Categories`; `X-Title` is only accepted for backward compatibility. Their API reference calls the headers optional and says they make the app discoverable on OpenRouter. This is a concrete OpenRouter contract, not an IETF or OpenAI-compatible API standard. +- **In agent tooling, `HTTP-Referer` is an OpenRouter-aware convention, not a general agent convention.** It is common enough that OpenRouter SDKs and OpenRouter examples expose it directly, and frameworks that target OpenRouter usually need a way to pass it through. But agent protocols such as ACP negotiate names, versions, and capabilities in their own initialize messages, while model-provider requests still need HTTP-level identity. "Accepted in the agent world" therefore means "recognized by OpenRouter integrations," not "portable across agent runtimes or providers." +- **Observed coding agents use product/version `User-Agent` strings, sometimes with environment context.** A non-exhaustive public-code survey found OpenAI Codex building `{originator}/{version} ({os} {os_version}; {arch}) ...` and carrying an `originator` header; Google Gemini CLI sending `GeminiCLI[-clientName]/{version}/{model} ({platform}; {arch}; {surface})` or a Cloud Code VS Code variant; Cline's Codex backend client sending `cline/{version} ({platform} {release}; {arch}) node/{nodeVersion}` plus `originator: cline`; SWE-agent setting `swe-agent/{version}` unless the user already supplied a header; Continue setting `Continue/{version}` for its ClawRouter provider plus `X-Continue-Provider`. Aider also appends `Aider/{version} +{website}` to browser-like user agents for web scraping, but that is not a model-provider request path. The pattern is not one exact format; it is product identity in `User-Agent`, with provider-specific side headers only where a provider/backend asks for them. +- **The standards-track general client identity header is `User-Agent`.** RFC 9110 section 10.1.5 defines `User-Agent` as the user-agent software identity, says it is used for interoperability reports and analytics, and says a user agent SHOULD send it on each request unless configured not to. This is the only standard header that directly matches "what product is making this HTTP request." +- **`Referer` is standard, but OpenRouter's `HTTP-Referer` is not the standard field.** RFC 9110 section 10.1.3 defines `Referer` as the URI from which the target URI was obtained and spends significant text on privacy restrictions. OpenRouter instead asks for `HTTP-Referer`, using it as an app URL identifier. That name and meaning are OpenRouter-specific even though it resembles the CGI environment variable form of the standard `Referer` header. +- **`From` is standard but not suitable as a mandatory default.** RFC 9110 section 10.1.2 defines `From` as an email address for the human responsible for a user agent. Robotic agents SHOULD send it so servers can contact an operator, but non-robotic agents should not send it without explicit user configuration because of privacy and security policy concerns. The harness can support an operator contact later, but must not invent one or require it globally. +- **Request-body `user` or `metadata` fields are not app attribution.** Some model APIs expose a stable end-user identifier, request metadata, labels, or project/account headers. Those are useful for abuse monitoring, internal billing, dashboards, or trace correlation, but they either identify the end user rather than the product, are provider-specific body schema, or are not guaranteed to be forwarded through OpenAI-compatible gateways. They are not a substitute for a static application identity header. +- **SDK telemetry headers identify the SDK, not the app.** Official and third-party SDKs often send library/version headers. Those help the SDK maintainer debug their client, but they do not identify the harness as the application unless the application explicitly supplies a product attribution layer. +- **pi-ai has a first-class header hook.** `@earendil-works/pi-ai`'s `StreamOptions.headers` merges caller headers last over provider defaults, so a library-backed adapter can satisfy the same wire contract as the hand-rolled one without wrapping or upstream work. The mock-server suites assert arrival on the wire for both adapters. + +## Decision + +Provider request attribution is mandatory at the LLM adapter boundary, using the standard `User-Agent` header only. The rule: every product LLM adapter sends a static, non-secret application identity on every provider HTTP request, and every adapter has tests proving that `User-Agent` reaches the wire (a mock server asserting received headers; for a library-backed adapter, the library's header hook feeding the same mock-server assertion). + +Do **not** implement OpenRouter app attribution in this RFC. `HTTP-Referer`, `X-OpenRouter-Title`, `X-Title`, and `X-OpenRouter-Categories` are OpenRouter-specific product-surface headers, not provider-neutral model-request attribution. They can be proposed later by an OpenRouter adapter or explicit OpenRouter mode, with its own privacy/product decision, tests, and docs. Until then, even requests pointed at OpenRouter send only the shared `User-Agent` attribution from this RFC. + +The provider-neutral identity is owned by `dsh-llm` (`packages/llm/llm/src/attribution.ts`), not by individual adapters. `AppIdentity` contains only public product facts needed to build `User-Agent`, and the default `APP_IDENTITY` settles the values the proposal left open: + +- product token for `User-Agent`: `deepseek-harness` (continuity with the pre-RFC wire value and the repo/org identity) +- version: read from the owning package's manifest via `createRequire`, never a hand-copied constant +- app URL: `https://github.com/deepseek-ai/deepseek-harness-sdk` - the planned public home; a `FIXME` in `attribution.ts` blocks release until that repository actually exists + +The default is mandatory and non-empty. White-label deployments pass their own `AppIdentity` to `attributionHeaders(identity)` - the override seam is the function parameter, with no deployment config plumbing until a consumer needs it - and omission falls back to the harness default rather than suppressing attribution. There is no per-request API for the model, user prompt, session id, cwd, user email, API key owner, or local machine identity to influence these fields. + +Wire mapping (`attributionHeaders`; header names lowercase in code - HTTP field names are case-insensitive on the wire): + +| Target | Mapping | +|---|---| +| All HTTP-based adapters | `User-Agent: {product}/{version} (+{url})` - the parenthesized `+url` comment stays within RFC 9110's conservative product/comment syntax. | +| Direct DeepSeek endpoint | `User-Agent`; do not send OpenRouter-only headers unless DeepSeek documents an equivalent contract. | +| OpenRouter endpoints | `User-Agent` only for now. Do not send `HTTP-Referer`, `X-OpenRouter-Title`, `X-Title`, or `X-OpenRouter-Categories` under this RFC. | +| Future providers | `User-Agent` only unless a later provider-specific RFC accepts additional headers. Do not reuse `HTTP-Referer` by analogy. | + +Endpoint detection is not part of this RFC because no endpoint-specific mapping is accepted here. If OpenRouter support lands later, detection must be explicit: either a dedicated OpenRouter provider package or an explicit `provider: 'openrouter'` / `attributionTarget: 'openrouter'` config, not arbitrary path fragments or model names. + +## Verification + +The landed contract: + +- `dsh-llm` documents the mandatory `User-Agent` attribution contract for `LlmAdapter` authors (`LlmAdapter` JSDoc, package README, and the adapter-contract section of `docs/core-data-structures/llm-streaming.md`). +- A shared helper (`attributionHeaders` / `userAgent`) constructs the app identity and the standard `User-Agent` value from package metadata, so adapters do not hand-copy version constants. +- `dsh-llm-deepseek` sends the shared `User-Agent` on every request and its mock-server suite asserts the exact value. +- `dsh-llm-pi-ai` sends the same `User-Agent` through pi-ai's `StreamOptions.headers` hook and its mock-server suite asserts the exact value. +- No adapter sends OpenRouter-specific attribution headers (`HTTP-Referer`, `X-OpenRouter-Title`, `X-Title`, `X-OpenRouter-Categories`) as part of this RFC. +- No app-attribution field carries secrets, local paths, session ids, prompt text, model output, user email, or per-user stable identifiers. +- The adapter READMEs state the `User-Agent` attribution policy and explicitly avoid documenting OpenRouter app attribution as implemented behavior. + +## Alternatives considered + +**OpenRouter app attribution now.** Rejected for this RFC. Sending `HTTP-Referer` plus `X-OpenRouter-Title` would satisfy OpenRouter rankings, but those headers are a provider-specific product feature, not the provider-neutral model-request attribution this RFC is trying to standardize. Supporting them should be an explicit OpenRouter adapter/mode decision later, not hidden inside the first shared attribution helper. + +**OpenRouter headers everywhere.** Rejected. It would treat a custom OpenRouter contract as a universal standard and send fields with misleading semantics to providers that did not ask for them. It also risks using `HTTP-Referer` as a generic app URL field even though standard HTTP already has `User-Agent` for product identity and `Referer` for a different browsing-context concept. + +**Only provider account/project identity.** Rejected. Organization/project headers, API keys, cloud accounts, and billing projects identify who pays or owns the request, not which application is sending traffic. They also expose no public app title/category and do not help gateways like OpenRouter build app rankings. + +**End-user `user`/`metadata` fields.** Rejected for this RFC. Those are valuable for abuse monitoring and customer support but describe the human or tenant behind a request. App attribution must be static product identity and safe to send on every request. + +**Config-only opt-in attribution.** Rejected. A default-off setting is exactly how adapters keep drifting. The policy is mandatory default attribution with overrideable public values, not optional attribution. + +**Product-named token (`deepseek-harness-sdk`).** Considered for the `User-Agent` token, since the product name is DeepSeek Harness SDK. `deepseek-harness` won on continuity: it is the identity providers already see from this codebase, it matches the org/repo identity and package scope, and it keeps wire attribution stable while display copy carries the product name. + +## Consequences + +**Providers see that traffic comes from the harness.** That is the point, but it means deployments that previously blended into generic SDK traffic become identifiable. Mitigation: send only static public product data and let forks/white-label deployments pass their own `AppIdentity`. + +**The app URL points at a repository that does not exist yet.** `deepseek-ai/deepseek-harness-sdk` is the planned public home; until it is created the URL is a dangling promise. The `FIXME` marker on the constant blocks a release from shipping with it unresolved (see `docs/development.md` marker semantics). + +**Header support differs by client library.** The hand-rolled adapter sets headers directly; the pi-ai-backed adapter depends on pi-ai continuing to honor `StreamOptions.headers` (merged last over provider defaults). The wire-level mock-server tests are the guard: if a pi-ai upgrade stops delivering the header, the suite goes red. This is useful pressure on the abstraction: a provider adapter that cannot set mandatory headers cannot fully implement the harness LLM contract. + +**OpenRouter rankings do not benefit yet.** `User-Agent` is the correct baseline for provider-neutral HTTP identity, but it will not create OpenRouter app pages or rankings because OpenRouter requires `HTTP-Referer` for that product feature. That is deliberate: public app marketplace participation is a separate product decision, not a prerequisite for mandatory request attribution. diff --git a/docs/rfc/implemented/architecture/2026-06-24-web-capability-seam.md b/docs/rfc/implemented/architecture/2026-06-24-web-capability-seam.md index 55ada9d576..660b9821ff 100644 --- a/docs/rfc/implemented/architecture/2026-06-24-web-capability-seam.md +++ b/docs/rfc/implemented/architecture/2026-06-24-web-capability-seam.md @@ -4,17 +4,17 @@ Status: implemented ## Problem -The harness needs model-facing web tools without binding the model contract to one vendor's API shape. Search is the immediate pressure point: the first version should support at least Exa search and Perplexity search — two deliberately different provider shapes (Exa returns a flat `results[]` of `{title, url, highlights, publishedDate}`; Perplexity returns a generated answer plus citations), which is what proves the normalized seam does not just mirror one vendor. Fetch is a separate capability: an anonymous public HTTP(S) fetch backend has transport, security, redirect, decoding, and size-limit concerns that are not the same as provider-backed search. +The harness needs model-facing web tools without binding the model contract to one vendor's API shape. Search is the immediate pressure point: supporting both Exa search and Perplexity search from the start — two deliberately different provider shapes (Exa returns a flat `results[]` of `{title, url, highlights, publishedDate}`; Perplexity returns a generated answer plus citations) — is what proves the normalized seam does not just mirror one vendor. Fetch is a separate capability: an anonymous public HTTP(S) fetch backend has transport, security, redirect, decoding, and size-limit concerns that are not the same as provider-backed search. -The model-facing surface should stay stable while backends change. A search provider swap should not change how the model asks for a query, and a fetch implementation swap should not change how the model asks for a URL. Conversely, a provider package should not expose its own model-facing tool schema just because it has extra provider-specific knobs. +The model-facing surface must stay stable while backends change. A search provider swap should not change how the model asks for a query, and a fetch implementation swap should not change how the model asks for a URL. Conversely, a provider package should not expose its own model-facing tool schema just because it has extra provider-specific knobs. Putting search and fetch directly in `dsh-tool-web` would make the model-facing tool own provider selection, backend request mapping, transport policy, result normalization, prompt guidance, presentation, and schema registration at once. Letting each provider register its own tool has the opposite problem: tool availability, names, descriptions, and parameters would depend on whichever provider packages happen to load, and provider-specific fields would leak into the model contract. There is also a provider-selection question. Existing `tool-bash` and `tool-fs` can rely on Cordis `inject` because there is one backend service key. Web has two independent capabilities (`search` and `fetch`) and potentially multiple providers per capability. `inject: ['web']` proves the seam exists; it does not prove a usable search or fetch provider exists, and it does not define which provider should win when several are registered. -## Proposal +## Decision -Introduce web access as a first-class capability seam following [the capability-seam RFC](../../implemented/architecture/2026-06-13-capability-seams.md): +Web access is a first-class capability seam following [the capability-seam RFC](../../implemented/architecture/2026-06-13-capability-seams.md): 1. `@deepseek-ai/dsh-web` (`packages/web/web`) owns `ctx.web`, provider registration, provider selection, shared request/result vocabulary, and web-specific errors. 2. Provider packages implement concrete backends and register capabilities with `ctx.web`, for example `@deepseek-ai/dsh-web-search-exa`, `@deepseek-ai/dsh-web-search-perplexity`, `@deepseek-ai/dsh-web-search-deepseek`, and `@deepseek-ai/dsh-web-fetch-local`. @@ -22,22 +22,21 @@ Introduce web access as a first-class capability seam following [the capability- Providers do not register tools. Providers register capabilities. `dsh-tool-web` is the only owner of model-facing names, descriptions, prompt guidance, JSON schemas, and presentation. -Search and fetch are separate capabilities and separate model-facing tools, but they are deliberately one seam. `ctx.web` is a single web-access middle layer between provider packages on one side and the tool consumer on the other: one service to inject, one provider-selection policy owner, one abort/error vocabulary, one place a product configures "how this harness reaches the web." The two halves do not share a request schema and have no shared business logic — search normalizes provider-backed discovery into a portable result with optional answer text and citeable sources, while fetch retrieves a concrete public HTTP(S) URL and returns a status code plus bounded decoded content — but they are parallel registries on one capability surface, not two surfaces. The cost is a `WebService` whose registry/status/exec methods come in `Search`/`Fetch` pairs; that parallelism is intentional, not a missed extraction. Splitting into `dsh-search` and `dsh-fetch` is the rejected alternative below. +Search and fetch are separate capabilities and separate model-facing tools, but they are deliberately one seam. `ctx.web` is a single web-access middle layer between provider packages on one side and the tool consumer on the other: one service to inject, one provider-selection policy owner, one abort/error vocabulary, one place a product configures "how this harness reaches the web." The two halves do not share a request schema and have no shared business logic — search normalizes provider-backed discovery into a portable result with optional answer text and citeable sources, while fetch retrieves a concrete public HTTP(S) URL and returns a status code plus bounded decoded content — but they are parallel registries on one capability surface, not two surfaces. The cost is a `WebService` whose registry/exec methods come in `Search`/`Fetch` pairs; that parallelism is intentional, not a missed extraction. Splitting into `dsh-search` and `dsh-fetch` is the rejected alternative below. -`dsh-tool-web` should register model-facing web tools when the product has enabled those tools and the `ctx.web` seam is present. Backend availability is an execution-time concern, not a schema-registration concern: +`dsh-tool-web` registers model-facing web tools when the product has enabled those tools and the `ctx.web` seam is present. Backend availability is an execution-time concern, not a schema-registration concern: -- Register `web_search` when web search is enabled for the product/app. -- Register `web_fetch` when web fetch is enabled for the product/app. -- Do not unregister a tool merely because its selected provider is missing, misconfigured, missing credentials, ambiguous, or temporarily unavailable. -- Resolve the provider at execution time, and return a structured `WebError` when the selected capability cannot run. +- `web_search` is registered when web search is enabled for the product/app, `web_fetch` when web fetch is. +- A tool is never unregistered merely because its selected provider is missing, misconfigured, missing credentials, ambiguous, or temporarily unavailable. +- The provider is resolved at execution time, and a structured `WebError` is returned when the selected capability cannot run. This keeps the model schema stable without making plugin load order, credential state, or HMR timing part of the model-facing contract. If web search is enabled but no usable search provider exists, `web_search` remains visible and execution fails with a structured `WebError` such as `WEB_PROVIDER_UNAVAILABLE` or `WEB_PROVIDER_CONFIGURED_UNAVAILABLE`. If a provider appears after `dsh-tool-web`, the next execution can use it without changing the schema. If a provider disappears mid-call, execution fails with a structured `WebError` instead of silently choosing another provider or falling through to `UNKNOWN_TOOL`. -The first version's provider-change signal is intentionally small. `web/providers-change` has no payload, carries no capability graph, and does not expose provider metadata. It means only "the provider registry changed; observers may recompute status from `ctx.web`." `searchStatus()` and `fetchStatus()` remain derived, not stored, and they are diagnostics plus execution-resolution inputs rather than tool-schema visibility switches. +The seam deliberately exposes no observation surface — no registry-change event and no aggregated capability-status query. Unavailability is a fact a caller observes by executing: `search()`/`fetch()` resolve the provider at call time and throw the structured `WebError` that names what failed. [The observation-surface RFC](../simplification/2026-07-04-drop-unconsumed-web-observation-surface.md) records that judgment: derived-on-call selection and enablement-based registration leave no consumer that needs a change signal or an availability probe distinct from executing and routing the error, and a future provider-status panel reintroduces the smallest signal or query it actually consumes. ## Package topology -The three-package interface/implementation/consumer split follows bash and filesystem, but the *interface* package is closer to the LLM seam. `LlmService` (`packages/llm/llm/src/index.ts`) is a name-keyed provider registry: `registerAdapter(models, adapter)` stores adapters in a `Map`, returns a disposer, throws `DUPLICATE_ADAPTER` on duplicate keys, and throws `NO_ADAPTER` at resolution time. `ctx.web` follows that registry shape, but has two capability kinds and one small selection-status layer so diagnostics and execution can explain why a search or fetch capability can or cannot run. +The three-package interface/implementation/consumer split follows bash and filesystem, but the *interface* package is closer to the LLM seam. `LlmService` (`packages/llm/llm/src/index.ts`) is a name-keyed provider registry: `registerAdapter(models, adapter)` stores adapters in a `Map`, returns a disposer, throws `DUPLICATE_ADAPTER` on duplicate keys, and throws `NO_ADAPTER` at resolution time. `ctx.web` follows that registry shape, but has two capability kinds and a richer selection policy (a configured provider id, or auto-select when exactly one usable provider is registered), so the `WebError` an execution throws can explain why a search or fetch capability cannot run. The dependency direction mirrors bash and filesystem: @@ -52,7 +51,7 @@ The dependency direction mirrors bash and filesystem: implementation ``` -At runtime, provider packages register capabilities with `ctx.web`; `tool-web` reads capability status and registers stable tools with `ctx.tools`: +At runtime, provider packages register capabilities with `ctx.web`; `tool-web` registers stable tools with `ctx.tools` and executes through the seam: ```mermaid flowchart LR @@ -60,20 +59,20 @@ flowchart LR perplexity["@deepseek-ai/dsh-web-search-perplexity"] -->|registerSearchProvider| web deepseek["@deepseek-ai/dsh-web-search-deepseek"] -->|registerSearchProvider| web fetchLocal["@deepseek-ai/dsh-web-fetch-local"] -->|registerFetchProvider| web - toolWeb["@deepseek-ai/dsh-tool-web"] -->|searchStatus/fetchStatus| web + toolWeb["@deepseek-ai/dsh-tool-web"] -->|search/fetch| web toolWeb -->|ctx.tools.register| webSearch["tool: web_search"] toolWeb -->|ctx.tools.register| webFetch["tool: web_fetch"] ``` -`@deepseek-ai/dsh-web` depends only on Cordis and low-level harness support. It declares `ctx.web`, provider interfaces, request/result types, status types, and error codes. It does not import tool, agent, session, LLM, or provider packages. +`@deepseek-ai/dsh-web` depends only on Cordis and low-level harness support. It declares `ctx.web`, provider interfaces, request/result types, the provider status type, and error codes. It does not import tool, agent, session, LLM, or provider packages. -Provider packages depend on `@deepseek-ai/dsh-web` and Cordis. They own credentials, endpoint config, provider-specific request mapping, provider-specific response parsing, and provider-specific error translation into `WebError`. They issue network requests with the platform-native `fetch` (Node 24), mirroring `@deepseek-ai/dsh-llm-deepseek`'s adapter, NOT a cordis HTTP-client service (`ctx.http`/`@cordisjs/plugin-http`) — even where a Perplexity provider's request is shaped like an OpenAI-compatible chat completion, that wire shape is a provider-private detail and does not make the provider depend on `ctx.llm`. A provider does NOT own the `ctx.web` key (two search providers cannot both own it): like `dsh-llm-deepseek`, each provider package is a function/namespace plugin (`inject: ['web']`) whose `apply` constructs the backend and calls `ctx.web.registerSearchProvider` / `registerFetchProvider`. `@deepseek-ai/dsh-web` is the `export default` service that owns the key. +Provider packages depend on `@deepseek-ai/dsh-web` and Cordis. They own credentials, endpoint config, provider-specific request mapping, provider-specific response parsing, and provider-specific error translation into `WebError`. They issue network requests with platform-native `fetch` at the repo's Node floor, mirroring `@deepseek-ai/dsh-llm-deepseek`'s adapter, NOT a cordis HTTP-client service (`ctx.http`/`@cordisjs/plugin-http`) — even where a Perplexity provider's request is shaped like an OpenAI-compatible chat completion, that wire shape is a provider-private detail and does not make the provider depend on `ctx.llm`. A provider does NOT own the `ctx.web` key (two search providers cannot both own it): like `dsh-llm-deepseek`, each provider package is a function/namespace plugin (`inject: ['web']`) whose `apply` constructs the backend and calls `ctx.web.registerSearchProvider` / `registerFetchProvider`. `@deepseek-ai/dsh-web` is the `export default` service that owns the key. `@deepseek-ai/dsh-tool-web` depends on `@deepseek-ai/dsh-web`, `@deepseek-ai/dsh-tools`, `@deepseek-ai/dsh-system-prompt`, and Cordis. It never imports concrete provider packages. ## `ctx.web` contract -`ctx.web` is a provider registry plus a provider-selecting execution surface. The registry half should stay close to `LlmService`: a `Map<id, provider>` per capability kind, `registerSearchProvider` / `registerFetchProvider` methods that return disposers, duplicate ids that throw `WebError`, and execution-time resolution that throws when the selected provider is absent or unusable. The exact TypeScript signatures belong to the implementation PR, but the seam should expose this shape: +`ctx.web` is a provider registry plus a provider-selecting execution surface. The registry half stays close to `LlmService`: a `Map<id, provider>` per capability kind, `registerSearchProvider` / `registerFetchProvider` methods that return disposers, duplicate ids that throw `WebError`, and execution-time resolution that throws when the selected provider is absent or unusable. The authoritative signatures live in `packages/web/web/src/types.ts`; the seam's shape: ```ts interface WebSearchProvider { @@ -92,9 +91,6 @@ interface WebService { registerSearchProvider(provider: WebSearchProvider): () => void registerFetchProvider(provider: WebFetchProvider): () => void - searchStatus(): WebCapabilityStatus - fetchStatus(): WebCapabilityStatus - search(request: WebSearchRequest, exec?: WebExecContext): Promise<WebSearchResult> fetch(request: WebFetchRequest, exec?: WebExecContext): Promise<WebFetchResult> } @@ -104,43 +100,37 @@ interface WebExecContext { } ``` -`WebExecContext` is execution control, not business input. The first version should carry only `signal` so `tool-web` can propagate turn cancellation, tool timeout, and agent disposal into provider network requests, SSE readers, and expensive decoding. It should not pass `ToolExecution` through the seam, because that would make `dsh-web` depend on `dsh-tools`. +`WebExecContext` is execution control, not business input. It carries only `signal`, so `tool-web` propagates turn cancellation, tool timeout, and agent disposal into provider network requests, SSE readers, and expensive decoding. It does not pass `ToolExecution` through the seam — that would make `dsh-web` depend on `dsh-tools`. -`@deepseek-ai/dsh-web` should also declare a Cordis event named `web/providers-change`. Provider ids are stable strings and unique within their capability kind. Registering a duplicate search provider id or duplicate fetch provider id should fail rather than silently replace the old provider. Provider registration returns a disposer, emits `web/providers-change` after successful registration, and emits it again when the provider is disposed. The registry should follow the existing `ctx.tools.register()` / `ctx.systemPrompt.section()` pattern: wrap the mutation in `ctx.effect()`, install the rollback disposer before emitting `web/providers-change`, and let a throwing registration-time change listener roll back the just-added provider instead of leaking it into the registry. +Provider ids are stable strings and unique within their capability kind. Registering a duplicate search provider id or duplicate fetch provider id fails rather than silently replacing the old provider. Provider registration returns a disposer and follows the existing `ctx.tools.register()` / `ctx.systemPrompt.section()` pattern: the mutation is wrapped in `ctx.effect()` so the registration is torn down with the contributing fiber. ## Provider status and selection -Provider status and capability selection are separate concepts, but both stay minimal. A provider reports only whether that concrete implementation is usable by cheap local checks such as credential presence or parseable endpoint config. A provider `status()` must not make network calls. The service reports whether the capability has a selected usable provider, or why execution would fail. +Provider status and capability selection are separate concepts, but both stay minimal. A provider reports only whether that concrete implementation is usable by cheap local checks such as credential presence or parseable endpoint config. A provider `status()` must not make network calls. -`LlmService` has no status type at all: availability is expressed as registry membership plus a resolution-time throw. `ctx.web` needs a small status answer because product apps, diagnostics, tests, and execution can report precise provider-selection failures without probing individual providers from the tool layer. Status must be derived from the configured provider id, registered providers, and each provider's cheap local `status()` on each call; it must not be stored as mutable service state. +`LlmService` has no status type at all: availability is expressed as registry membership plus a resolution-time throw. `ctx.web` follows the same discipline. The seam exposes no aggregated capability-status query — `search()` / `fetch()` derive the selection on each call from the configured provider id, the registered providers, and each provider's cheap local `status()`, and a selection failure is the structured `WebError` thrown at execution time, whose code answers "in which broad category does this capability fail" and whose message answers "exactly which provider/ids/reason." A caller that needs to know whether a capability can run executes and routes that error; nothing is stored as mutable service state. -`WebCapabilityStatus` stays intentionally small: `available` plus a `reason` discriminant, and the selected `providerId` on the available branch so diagnostics can report which provider won. It does NOT carry the per-reason payload (the unavailable provider id, the ambiguous candidate set, the underlying provider-unavailable reason). That branchable detail lives in the structured `WebError` thrown at execution time, which is the surface callers route on; duplicating it into the status union would give the same fact two homes that can disagree. `searchStatus()` / `fetchStatus()` answer "can this capability run, and if not, in which broad category does it fail" — enough for startup diagnostics and the execution-resolution decision — and the thrown error answers "exactly which provider/ids/reason." - -`WebProviderStatus` is an input to selection, not a health system. `tool-web` reads only the aggregated `searchStatus()` / `fetchStatus()`, never each provider's `status()` directly, so selection policy has one owner. +`WebProviderStatus` is an input to selection, not a health system. `tool-web` never calls a provider's `status()` directly — its only path into the seam is `search()` / `fetch()` — so selection policy has one owner. ```ts type WebProviderStatus = | { readonly available: true } | { readonly available: false; readonly reason: 'missing-credential' | 'misconfigured' } - -type WebCapabilityStatus = - | { readonly available: true; readonly providerId: string } - | { readonly available: false; readonly reason: 'none' | 'configured-missing' | 'configured-unavailable' | 'ambiguous' } ``` Selection must not depend on registration order. Cordis load order, config ordering, and HMR timing are not product semantics. -| Situation | Status / behavior | +| Situation | Execution behavior | |---|---| -| A configured provider id is registered and `status().available === true` | `available: true` for that provider | -| A configured provider id is not registered | `configured-missing`; execution fails with `WEB_PROVIDER_CONFIGURED_MISSING` | -| A configured provider id is registered but unavailable | `configured-unavailable`; execution fails with `WEB_PROVIDER_CONFIGURED_UNAVAILABLE` | -| No provider id is configured and exactly one provider for that kind is registered and available | `available: true` for that single provider | -| No provider id is configured and no provider for that kind is registered | `none`; execution fails with `WEB_PROVIDER_UNAVAILABLE` | -| No provider id is configured and multiple usable providers for that kind are registered | `ambiguous`; execution fails with `WEB_PROVIDER_AMBIGUOUS` rather than choosing by registration order | -| No provider id is configured and providers exist but none are usable | `none`; execution fails with `WEB_PROVIDER_UNAVAILABLE` | +| A configured provider id is registered and `status().available === true` | runs that provider | +| A configured provider id is not registered | fails with `WEB_PROVIDER_CONFIGURED_MISSING` | +| A configured provider id is registered but unavailable | fails with `WEB_PROVIDER_CONFIGURED_UNAVAILABLE` | +| No provider id is configured and exactly one provider for that kind is registered and available | runs that single provider | +| No provider id is configured and no provider for that kind is registered | fails with `WEB_PROVIDER_UNAVAILABLE` | +| No provider id is configured and multiple usable providers for that kind are registered | fails with `WEB_PROVIDER_AMBIGUOUS` rather than choosing by registration order | +| No provider id is configured and providers exist but none are usable | fails with `WEB_PROVIDER_UNAVAILABLE` | -The "single provider auto-selects" rule is for tests, demos, and simple deployments. Product configs should set explicit provider ids: +The "single provider auto-selects" rule is for tests, demos, and simple deployments. Product configs set explicit provider ids: ```yaml - id: web @@ -165,26 +155,26 @@ The "single provider auto-selects" rule is for tests, demos, and simple deployme name: '@deepseek-ai/dsh-tool-web' ``` -Operational overrides such as environment variables may exist, but they must feed the same explicit selection path. For example, `DSH_WEB_SEARCH_PROVIDER=perplexity` is equivalent to config `searchProvider: perplexity`; it is not a hidden priority chain inside `dsh-tool-web`. +Operational overrides feed the same explicit selection path: `DSH_WEB_SEARCH_PROVIDER=perplexity` is equivalent to config `searchProvider: perplexity`, not a hidden priority chain inside `dsh-tool-web`. -`ctx.web.search()` and `ctx.web.fetch()` resolve the provider at execution time using the same rules as the status query. If the selected capability is unavailable, they throw `WebError` with a structured code such as `WEB_PROVIDER_UNAVAILABLE`, `WEB_PROVIDER_CONFIGURED_MISSING`, `WEB_PROVIDER_CONFIGURED_UNAVAILABLE`, or `WEB_PROVIDER_AMBIGUOUS`. If no provider is explicitly configured and no usable provider exists, the status and execution error are both the generic `none` / `WEB_PROVIDER_UNAVAILABLE` case; the first version should not add a diagnostic summary of every unavailable provider. +`ctx.web.search()` and `ctx.web.fetch()` resolve the provider at execution time using the selection rules above. If the selected capability is unavailable, they throw `WebError` with a structured code such as `WEB_PROVIDER_UNAVAILABLE`, `WEB_PROVIDER_CONFIGURED_MISSING`, `WEB_PROVIDER_CONFIGURED_UNAVAILABLE`, or `WEB_PROVIDER_AMBIGUOUS`. If no provider is explicitly configured and no usable provider exists, the execution error is the generic `WEB_PROVIDER_UNAVAILABLE` case; there is deliberately no diagnostic summary of every unavailable provider. ## Search request and result schema -The first `web_search` model-facing tool should be small. The only model-facing argument is: +The `web_search` model-facing tool is small. The only model-facing argument is: - `query`: required string. -`max_results` is NOT exposed to the model in the first version. It is a `dsh-tool-web`-layer decision: the tool sets the result bound — a default of `8` (aligning with OpenCode's Exa default), as an exported constant mirroring `dsh-tool-fs`'s `READ_LIMIT` / `GREP_LIMIT` — and passes it to the seam as `maxResults` on the `WebSearchRequest`. Keeping it off the model schema means the model just asks a question and the product controls how much context comes back; the field can be promoted to a model-facing argument later without breaking the seam. +`max_results` is NOT exposed to the model. It is a `dsh-tool-web`-layer decision: the tool sets the result bound — the `searchMaxResults` plugin config, default `8` (aligning with OpenCode's Exa default), mirroring `dsh-tool-fs`'s `readLimit` — and passes it to the seam as `maxResults` on the `WebSearchRequest`. Keeping it off the model schema means the model just asks a question and the product controls how much context comes back; the field can be promoted to a model-facing argument later without breaking the seam. `maxResults` flows tool → seam → provider, and the bound is enforced on the way back: - `dsh-tool-web` owns the value and puts it on `WebSearchRequest.maxResults`. - `ctx.web` passes the request through to the selected provider unchanged. -- A provider should apply `maxResults` at the request layer when its API supports it (Exa's `numResults`), as a cost/latency optimization. +- A provider applies `maxResults` at the request layer when its API supports it (Exa's `numResults`), as a cost/latency optimization. - `ctx.web` enforces the bound on the result: if a provider returns more than `maxResults` sources — because its API has no result-count control (Perplexity) or ignored the hint — the seam truncates `sources[]` to `maxResults` and sets `WebSearchResult.truncated` to `true` before returning. This makes the bound a single cross-provider guarantee the model-facing layer can rely on, rather than something each provider must remember to honor. -The seam request should not include provider-specific controls such as Perplexity model selection, search recency, domain filters, Exa `livecrawl`, Exa `type`, regional hints, generated-answer budgets, or search depth in the first version. Those fields should be added only when they have provider-neutral semantics that both the tool schema and selected providers can honor honestly. +The seam request carries no provider-specific controls — no Perplexity model selection, search recency, domain filters, Exa `livecrawl`, Exa `type`, regional hints, generated-answer budgets, or search depth. Such a field is added only when it has provider-neutral semantics that both the tool schema and selected providers can honor honestly. ```ts interface WebSearchRequest { @@ -209,24 +199,24 @@ interface WebSearchSource { } ``` -`content` is optional provider-generated answer text, search context, or summary. `sources[]` is the portable citation surface. A source always has a URL; title, snippet, and `publishedAt` are optional because not every provider returns them. `title` should not be required: Perplexity-style citations may provide only URLs, and forcing adapters to invent titles would make the seam lie. `dsh-tool-web` can render `title ?? hostname(url)` for display. `publishedAt` is an optional publication/crawl timestamp as an ISO-8601 string — Exa returns it as `publishedDate` on each result and Perplexity returns a `date` on search results, so it is real provider data, not derived; the seam carries it as a string and leaves date parsing to the consumer. +`content` is optional provider-generated answer text, search context, or summary. `sources[]` is the portable citation surface. A source always has a URL; title, snippet, and `publishedAt` are optional because not every provider returns them. `title` is not required: Perplexity-style citations may provide only URLs, and forcing adapters to invent titles would make the seam lie. `dsh-tool-web` renders a `title ?? hostname(url)`-style fallback label for display. `publishedAt` is an optional publication/crawl timestamp as an ISO-8601 string — Exa returns it as `publishedDate` on each result and Perplexity returns a `date` on search results, so it is real provider data, not derived; the seam carries it as a string and leaves date parsing to the consumer. -Exa search should map each entry of the provider's flat `results[]` into a `WebSearchSource`: `url` ← `url`, `title` ← `title`, `snippet` ← the first `highlights[]` entry (an entry with no highlight has no portable snippet and is dropped), `publishedAt` ← `publishedDate`. Exa returns no provider-generated answer, so `content` is omitted. Perplexity search should map `choices[0].message.content` to `content` and prefer the structured top-level `search_results[]` for `sources[]` — `url` ← `url`, `title` ← `title`, `snippet` ← `snippet` (often empty), `publishedAt` ← `date` — falling back to the URL-only `citations[]` array only when `search_results` is absent (those sources carry just a `url`). If a provider returns fewer structured fields than the seam supports, the adapter omits those optional fields. +Exa search maps each entry of the provider's flat `results[]` into a `WebSearchSource`: `url` ← `url`, `title` ← `title`, `snippet` ← the first `highlights[]` entry (an entry with no highlight has no portable snippet and is dropped), `publishedAt` ← `publishedDate`. Exa returns no provider-generated answer, so `content` is omitted. Perplexity search maps `choices[0].message.content` to `content` and prefers the structured top-level `search_results[]` for `sources[]` — `url` ← `url`, `title` ← `title`, `snippet` ← `snippet` (often empty), `publishedAt` ← `date` — falling back to the URL-only `citations[]` array only when `search_results` is absent (those sources carry just a `url`). If a provider returns fewer structured fields than the seam supports, the adapter omits those optional fields. Full page retrieval remains the job of `web_fetch(url)`. Search snippets are discovery context, not fetched page bodies. ## Fetch request and result schema -The first `web_fetch` implementation should be an anonymous public HTTP(S) fetch provider, likely `local-http`. It should fetch bytes from a concrete URL, apply the basic transport hygiene below (http/https-only, credential rejection, byte/time caps, cross-origin redirect blocking), decode textual content, and return only the minimal model-useful result: final URL, status code, body, and truncation. It should not carry browser cookies, editor credentials, git credentials, internal auth tokens, or implicit access to private services. (Full SSRF / private-network blocking is deferred — see [Deferred work](#deferred-work).) +The `web_fetch` implementation is an anonymous public HTTP(S) fetch provider, `local-http`. It fetches bytes from a concrete URL, applies the basic transport hygiene below (http/https-only, credential rejection, byte/time caps, cross-origin redirect blocking), decodes textual content, and returns only the minimal model-useful result: final URL, status code, body, and truncation. It carries no browser cookies, editor credentials, git credentials, internal auth tokens, or implicit access to private services. (Full SSRF / private-network blocking is deferred — see [Deferred work](#deferred-work).) -The first seam request should stay smaller than OpenCode's model-facing tool: +The seam request stays smaller than OpenCode's model-facing tool: - `url`: required HTTP(S) URL. - `timeoutMs`: optional positive number capped by the provider. -The seam request deliberately does not include `format`, `prompt`, or provider-specific extraction controls. `format` is a presentation decision over a fetched resource; `prompt` is a higher-level LLM summarization instruction; extraction APIs such as Firecrawl, Exa, Tavily, or Parallel may not expose a concrete HTTP response. If the product later needs provider-backed page extraction, add a separate `web_extract` capability or explicitly widen this RFC before implementation. Do not smuggle extract semantics into `web_fetch` by making every HTTP field optional. +The seam request deliberately does not include `format`, `prompt`, or provider-specific extraction controls. `format` is a presentation decision over a fetched resource; `prompt` is a higher-level LLM summarization instruction; extraction APIs such as Firecrawl, Exa, Tavily, or Parallel may not expose a concrete HTTP response. If the product later needs provider-backed page extraction, that is a separate `web_extract` capability or a deliberate widening of this seam — extract semantics are never smuggled into `web_fetch` by making every HTTP field optional. -HTTP status is part of the fetched resource state, not automatically a tool failure. A successful network fetch of a `404` or `500` response should return `WebFetchResult` with the status code and a bounded decoded body when the content type is supported. `WebError` is for failures to safely retrieve or represent the resource: invalid or blocked URL, redirect policy violation, timeout, abort, response too large, unsupported content type, provider failure, or network failure. +HTTP status is part of the fetched resource state, not automatically a tool failure. A successful network fetch of a `404` or `500` response returns `WebFetchResult` with the status code and a bounded decoded body when the content type is supported. `WebError` is for failures to safely retrieve or represent the resource: invalid or blocked URL, redirect policy violation, timeout, abort, response too large, unsupported content type, provider failure, or network failure. ```ts interface WebFetchRequest { @@ -247,21 +237,19 @@ type WebFetchBody = | { readonly kind: 'text'; readonly content: string } ``` -`WebFetchResult.url` is the final URL after allowed redirects. The request URL is already present in `WebFetchRequest`, so the first version should not add separate `requestedUrl` and `finalUrl` fields. +`WebFetchResult.url` is the final URL after allowed redirects. The request URL is already present in `WebFetchRequest`, so there is no separate `requestedUrl`/`finalUrl` pair. `WebFetchBody` is a CLOSED discriminated union owned by `dsh-web`, not a merge-extensible map. The merge-extensible pattern (`ContentBlockMap`) exists for variants that independent plugins introduce and the seam cannot foresee; body kinds are not that — `dsh-web` declares the kind, the fetch provider decodes it, and `dsh-tool-web` renders it, so a new kind is a coordinated change across three known packages, not a plugin extension. Keeping it closed buys compile-time exhaustiveness: consumers `switch` on `kind` ending in `default: assertNever(body, …)`, so adding a kind breaks compilation at every consumer that must render it (e.g. `tool-web`'s `html`→markdown vs `text` passthrough) until that arm is written. Each arm stays its own object literal even when the fields coincide today, leaving room for arm-specific fields (a future `pdf` body's `pageCount`, a `json` body's parsed value) without reshaping the type. Since the harness is unreleased, extending this closed union later is free (no migration, no compat shim). The provider owns safe resource retrieval: URL validation, HTTP transport, redirect policy, timeout, abort propagation, byte caps, charset decoding, content-type classification, and binary rejection. `dsh-tool-web` owns presentation: HTML-to-markdown, HTML-to-text, truncation formatting for the model, and future summaries. -The fetch provider must define resource controls before the tool ships: +The fetch provider's resource controls: -- Accept only `http:` and `https:` URLs. -- Reject credentials in URLs. -- Enforce maximum URL length, response byte cap, decoded body character cap, timeout, and redirect hop cap. -- Propagate abort signals through network fetches and expensive decoding. -- Automatically follow only same-origin redirects. -- Fail cross-origin redirects with `WEB_REDIRECT_BLOCKED`, requiring a fresh tool call and therefore a fresh provider/permission decision. (Claude Code's WebFetch uses this same model — it does not auto-follow a cross-host redirect; it returns the redirect target to the model for a fresh call.) -- Use an explicit product user agent rather than silently impersonating a browser by default. +- Only `http:` and `https:` URLs are accepted; credentials in URLs are rejected. +- Maximum URL length, response byte cap, decoded body character cap, timeout, and redirect hop cap are enforced. +- Abort signals propagate through network fetches and expensive decoding. +- Only same-origin redirects are followed automatically; a cross-origin redirect fails with `WEB_REDIRECT_BLOCKED`, requiring a fresh tool call and therefore a fresh provider/permission decision. (Claude Code's WebFetch uses this same model — it does not auto-follow a cross-host redirect; it returns the redirect target to the model for a fresh call.) +- Requests carry an explicit product user agent rather than silently impersonating a browser. SSRF / private-network protection (blocking private, loopback, link-local, multicast, and otherwise non-public destinations, with DNS-resolve-then-validate to defeat rebinding and per-hop re-validation on redirects) is **deferred** — see [Deferred work](#deferred-work). Until it lands, `web_fetch` is an SSRF primitive and must not be enabled in a deployment that can reach sensitive internal network targets. @@ -269,25 +257,19 @@ SSRF / private-network protection (blocking private, loopback, link-local, multi `dsh-tool-web` owns two `ToolDefinition`s: `web_search` and `web_fetch`. It owns model-facing JSON schemas, snake_case argument names, prompt sections, result rendering to `ContentBlock[]`, `presentCall`, and `presentResult`. -`dsh-tool-web` must not enumerate providers or call provider `status()` directly. Its execution path is `ctx.web.search()` / `ctx.web.fetch()`, and any optional startup diagnostics should read only `ctx.web.searchStatus()` / `ctx.web.fetchStatus()`. That keeps provider selection in one layer; otherwise the tool package could decide one provider is usable while execution resolves a different state. +`dsh-tool-web` must not enumerate providers or call provider `status()` directly. Its only path into the seam is `ctx.web.search()` / `ctx.web.fetch()`. That keeps provider selection in one layer; otherwise the tool package could decide one provider is usable while execution resolves a different state. -Tool registration in the first version is a minimal stable sync: - -1. On plugin startup, read the `dsh-tool-web` `Config` (`search?: boolean`, `fetch?: boolean`, both default `true`) that enables or disables each web tool. -2. If web search is enabled, register `web_search` (its disposer is fiber-scoped via the effect-based registry). -3. If web fetch is enabled, register `web_fetch` (likewise fiber-scoped). -4. Do not dispose either tool merely because `ctx.web.searchStatus()` or `ctx.web.fetchStatus()` is unavailable. -5. Disposing the `tool-web` fiber tears down its registrations automatically. +Tool registration is a minimal stable sync: on plugin startup the `dsh-tool-web` `Config` (`search?: boolean`, `fetch?: boolean`, both default `true`) enables or disables each web tool; an enabled tool is registered with a fiber-scoped disposer via the effect-based registry; neither tool is disposed merely because its selected provider is missing, unusable, or ambiguous; disposing the `tool-web` fiber tears down its registrations automatically. Provider status changes affect execution results and diagnostics, not whether the model-facing schema exists. If a product wants no web tools at all, it disables `dsh-tool-web` or the individual web tool in config; if it wants web tools but the backend is misconfigured, the model sees a structured tool error at execution time. -Prompt guidance should explain the semantic split: use `web_search` for discovery and current information, then use `web_fetch` when the model needs the content of a specific URL. The prompt and tool result should tell the model to cite relevant URLs with markdown links. +The prompt guidance explains the semantic split — `web_search` for discovery and current information, `web_fetch` when the model needs the content of a specific URL — and the prompt and tool result tell the model to cite relevant URLs with markdown links. -The model-facing output should be text-first because current tool results are `ContentBlock[]`, but the seam outcome should stay structured so UI presentation and future adapters do not have to scrape rendered text. +The model-facing output is text-first because tool results are `ContentBlock[]`, but the seam outcome stays structured so UI presentation and future adapters do not have to scrape rendered text. ## Errors -`dsh-web` should define `WebError extends HarnessError` with stable codes. Initial codes should include only states that callers may reasonably branch on: +`dsh-web` defines `WebError extends HarnessError` with stable codes, covering only states that callers may reasonably branch on: - `WEB_PROVIDER_UNAVAILABLE` - `WEB_PROVIDER_CONFIGURED_MISSING` @@ -303,40 +285,13 @@ The model-facing output should be text-first because current tool results are `C - `WEB_UNSUPPORTED_CONTENT_TYPE` - `WEB_PROVIDER_ERROR` -`WEB_DUPLICATE_PROVIDER` is thrown synchronously from `registerSearchProvider` / `registerFetchProvider` when an id is already registered for that capability kind (the analogue of `LlmService`'s `DUPLICATE_ADAPTER`); it is a registration-time programming error, not an execution outcome, but shares the `WebError` code space so callers see one taxonomy. `WEB_PROVIDER_ERROR` is the catch-all for a provider's own failure surfaced through the seam, including network/transport failure in `web-fetch-local` (DNS, connection refused, TLS); the first version does not split out a separate `WEB_NETWORK` code, but the provider should set a descriptive message so the model and logs can tell a network failure from a provider API failure. +`WEB_DUPLICATE_PROVIDER` is thrown synchronously from `registerSearchProvider` / `registerFetchProvider` when an id is already registered for that capability kind (the analogue of `LlmService`'s `DUPLICATE_ADAPTER`); it is a registration-time programming error, not an execution outcome, but shares the `WebError` code space so callers see one taxonomy. `WEB_PROVIDER_ERROR` is the catch-all for a provider's own failure surfaced through the seam, including network/transport failure in `web-fetch-local` (DNS, connection refused, TLS); there is deliberately no separate `WEB_NETWORK` code — the provider sets a descriptive message so the model and logs can tell a network failure from a provider API failure. -Tool execution should let these errors flow through `ToolRegistry.execute()`, which already converts `HarnessError` into an error tool result with structured metadata. The model gets a readable error message; hooks, tests, and UI code can route on the stable code. +Tool execution lets these errors flow through `ToolRegistry.execute()`, which already converts `HarnessError` into an error tool result with structured metadata. The model gets a readable error message; hooks, tests, and UI code can route on the stable code. -## Tests +## Testing -Tests should prove the seam contract without turning this RFC into an implementation checklist. - -`dsh-web` tests cover provider registration and disposal, duplicate provider ids, `web/providers-change` emission, rollback when a registration-time `web/providers-change` listener throws, `searchStatus()` and `fetchStatus()` for the selection table above, execution-time provider resolution, `maxResults` truncation of `sources[]` with `truncated` set when a provider over-returns, abort propagation through `WebExecContext.signal`, and structured `WebError` codes. - -Search provider tests cover request mapping, response parsing into `content` plus `sources[]`, missing credentials, provider errors, timeout/abort, truncation, and a self-skipping with-key smoke test for each real provider. Perplexity fixtures must include URL-only citations so the optional source fields stay honest. - -`dsh-web-fetch-local` tests cover real HTTP behavior using a local test server: valid text and HTML fetches, non-2xx HTTP responses returned as results, byte/decoded-body caps, timeout, abort, invalid URLs, credential-in-URL rejection, cross-origin redirect blocking, unsupported content types, and product user agent. (Private-destination/SSRF blocking tests come with that deferred work.) - -`dsh-tool-web` tests execute through the real tool registry. They verify schema registration follows product/app tool enablement rather than provider availability, unavailable or ambiguous providers produce structured execution errors, argument validation, formatting of successful search/fetch results, structured error propagation, and cleanup on disposal. - -Integration tests should load the real seam, provider, and tool packages together and execute through `ctx.tools.execute()` rather than calling providers directly. If wiring the tools into an ACP-facing example changes editor-visible transcripts, add or update the relevant snapshot scenario in the same change. - -At least one test must drive these packages through their REAL cordis Loader/export path, not a hand-built `ctx.plugin({...})` mount, so a broken export shape is caught (see [docs/postmortem/0001](../../../postmortem/0001-acp-default-export-drops-inject.md) and `packages/AGENTS.md` § plugin-export-shape). The two shapes need different guards: `dsh-web` is a **service** (`export default` the class) and a stray extra export would surface as a missing service; the provider packages and `dsh-tool-web` are **namespace plugins** (named `name`/`inject`/`apply`, NO default), and because each has `inject`, a stray `export default apply` makes `unwrapExports` drop the `inject` and the plugin throws `cannot get property … without inject` the moment it loads — so a Loader smoke that boots tool-web over `ctx.web` catches it (and each provider's registration test mounts it the real way and asserts no default export). Prove the guard bites: add `export default apply` to `tool-web`, watch the smoke go red, revert. - -## Migration plan - -This is new capability work, so no compatibility migration is required while the harness is unreleased. - -Land the work in seam order: - -1. Add `packages/web/web` with `ctx.web`, provider registration, provider status, capability status, selection, request/result/error types, and contract tests. -2. Add `packages/web/web-search-exa` with parser/unit tests and a self-skipping real-provider smoke test. -3. Add `packages/web/web-search-perplexity` with parser/unit tests and a self-skipping real-provider smoke test. -4. Add `packages/web/web-search-deepseek` with parser/unit tests and a self-skipping real-provider smoke test. -5. Add `packages/web/web-fetch-local` with local HTTP behavior tests. -6. Add `packages/web/tool-web` with config-driven tool registration, prompt sections, model formatting, presentation, and tool-registry tests. -7. Wire product app/example configs only after package behavior is stable, because tool schemas and prompt sections affect agent behavior and snapshots. -8. Update `docs/architecture.md`, `packages/README.md`, package READMEs, generated Cordis catalogs if new events/services are added, and maintenance scripts. +Each layer is pinned at its own seam: the registry/selection/truncation/abort contract and the `WebError` codes in `dsh-web`; per-provider request/response mapping over recorded fixtures (Perplexity fixtures include URL-only citations so the optional source fields stay honest) plus a self-skipping with-key smoke per real provider; real local-HTTP behavior in `web-fetch-local`; and enablement-driven registration, structured execution errors, and result formatting through the real tool registry in `dsh-tool-web`. A real-Loader smoke guards the two export shapes ([postmortem 0001](../../../postmortem/0001-acp-default-export-drops-inject.md)): `dsh-web` is a default-exported service, while the providers and `tool-web` are namespace plugins where a stray `export default` would drop `inject`. ## Alternatives considered @@ -364,19 +319,19 @@ Rejected for the first version. Those providers often return extracted or summar Rejected for the seam. `prompt` turns fetch into LLM summarization and couples public-web retrieval to a model provider. The harness seam should fetch and decode deterministically; `dsh-tool-web` can later offer summaries as a presentation mode without making `ctx.web` depend on `ctx.llm`. -## Risks +## Consequences -**The search schema may be too thin.** Exa and Perplexity both expose useful provider-specific controls. The first version should resist adding them until they can be defined provider-neutrally and enforced honestly by both tool registration and provider execution. +**The search schema is deliberately thin.** Exa and Perplexity both expose useful provider-specific controls; a control is added only once it can be defined provider-neutrally and enforced honestly by both tool registration and provider execution. -**Perplexity citations may be sparse.** A citation may be only a URL. Making `title` and `snippet` optional keeps the seam truthful but means `tool-web` must render useful fallback labels. +**Perplexity citations can be sparse.** A citation may be only a URL. Making `title` and `snippet` optional keeps the seam truthful but means `tool-web` renders fallback labels. -**Stable tool registration can defer misconfiguration to execution.** Keeping the tool visible is correct when the product enabled web access, but product apps that expect web search should surface `configured-missing`, `configured-unavailable`, and `ambiguous` loudly during startup diagnostics so users do not discover setup problems only after the model calls the tool. +**Stable tool registration defers misconfiguration to execution.** Keeping the tool visible is correct when the product enabled web access, but product apps that expect web search should surface the structured `WEB_PROVIDER_CONFIGURED_MISSING` / `WEB_PROVIDER_CONFIGURED_UNAVAILABLE` / `WEB_PROVIDER_AMBIGUOUS` failures loudly so users do not discover setup problems only after the model calls the tool. -**Provider state can change after startup.** A tool can be visible in the request assembled at step start and lose its provider before execution. The execution path must resolve again and fail with a structured error. +**Provider state can change after startup.** A tool can be visible in the request assembled at step start and lose its provider before execution. The execution path resolves again and fails with a structured error. -**Fetch is a network boundary, not just a read-only tool.** `web_fetch` can still reach sensitive network targets or exfiltrate data through URLs. The first version ships only the basic transport hygiene (http/https-only, credential rejection, byte/time caps, cross-origin redirect blocking); SSRF / private-network blocking is deferred (see [Deferred work](#deferred-work)), so until it lands `web_fetch` must not be enabled where it can reach internal targets. +**Fetch is a network boundary, not just a read-only tool.** `web_fetch` can reach sensitive network targets or exfiltrate data through URLs. Only the basic transport hygiene ships (http/https-only, credential rejection, byte/time caps, cross-origin redirect blocking); SSRF / private-network blocking is deferred (see [Deferred work](#deferred-work)), so until it lands `web_fetch` must not be enabled where it can reach internal targets. -**Large web content can damage context quality.** Providers must enforce byte/character caps and report `truncated`; `tool-web` must format bounded model output with clear continuation or follow-up guidance. +**Large web content can damage context quality.** Providers enforce byte/character caps and report `truncated`; `tool-web` formats bounded model output with clear continuation or follow-up guidance. ## Deferred work @@ -388,5 +343,5 @@ Rejected for the seam. `prompt` turns fetch into LLM summarization and couples p ## Open questions -- Should product app packages treat `configured-missing`, `configured-unavailable`, and `ambiguous` as fatal startup errors when web is explicitly configured, or should `dsh-web` only report status and let apps decide? +- Should product app packages probe web configuration at startup (treating `WEB_PROVIDER_CONFIGURED_MISSING`, `WEB_PROVIDER_CONFIGURED_UNAVAILABLE`, and `WEB_PROVIDER_AMBIGUOUS` as fatal when web is explicitly configured), or leave misconfiguration to surface at the first execution? - Where should permission policy for public web access live once the deferred permission system lands: a dedicated web permission plugin on `tools/execute`, provider config, or both? diff --git a/docs/rfc/implemented/architecture/2026-06-26-file-context-as-event-gate.md b/docs/rfc/implemented/architecture/2026-06-26-file-context-as-event-gate.md index 9f7b8a48c6..c890acb5c0 100644 --- a/docs/rfc/implemented/architecture/2026-06-26-file-context-as-event-gate.md +++ b/docs/rfc/implemented/architecture/2026-06-26-file-context-as-event-gate.md @@ -152,21 +152,17 @@ Both mutations are still atomic (the backend's per-target lock is unconditional) This amends — does not reverse — [the split-fs-seam RFC](../simplification/2026-06-26-fsspec-style-fs-seam.md). The four-layer split, the provider contract, and the freshness *policy* are all kept. What changes is the **coupling between the tool and the policy layer**: a mandatory method service became a plugin-owned event gate, and the fs I/O + read windowing moved from `fileContext` up into `dsh-tool-fs`. The split-fs-seam RFC's description of `dsh-tool-fs` injecting `fileContext` and of `fileContext` owning `read`/`write`/`edit` was updated to match in the same change. -## Acceptance Criteria +## Verification -- The `dsh-tool-fs` root plugin injects `fs` (+ `tools`/`systemPrompt`), not `fileContext`; it calls `ctx.fs` directly and dispatches the `fs/write-intent`/`fs/edit-intent` waterfalls (passing `exec` as the actor) and the `fs/observed` emit. Read rendering lives in `dsh-tool-fs`. (No subpath plugins — see the Tool contract above.) -- `dsh-fs` declares the three events with `@mode` tags and an opaque `object` actor argument (no agent/session structure leaks into the provider vocabulary); the generated cordis catalog is regenerated. -- `dsh-fs-policy` is a plugin, not a service: it does not register `ctx.fileContext`, has no public `read`/`write`/`edit`/`resolve` methods, and does not inject `fs`; it registers the three listeners, keeps observed-state, and has HMR/disposal coverage (dispose the fiber, assert the gate no longer rewrites). -- **Bare-provider test**: a config WITHOUT `dsh-fs-policy` boots the `dsh-tool-fs` root plugin, and `read`/`write`(create AND overwrite)/`edit` work against the real `dsh-fs-local`; an `edit` of an unread existing file and an overwrite of an existing unread file both succeed (unconditional bare-provider behavior), proving the tool carries no `fileContext` dependency. A bare-provider edit of a missing target reports `FS_STALE_VERSION`. With `dsh-fs-policy` present, the same unread `edit` is rejected `FS_NOT_OBSERVED` and the same unread overwrite uses `createIfAbsent` (rejected on an existing file). -- **Single-slot semantics**: a test registers a second `fs/edit-intent` listener AFTER `dsh-fs-policy` and asserts it is NOT reached (first-wins short-circuit), and documents in a comment that a decider registered before/`prepend`ed would instead win — the slot is first-wins by convention, not an enforced invariant. -- **Fire-and-forget recording**: `fs/observed` is emitted via a plain `ctx.emit` after the mutation succeeds; a listener is contractually synchronous and side-effect-only, so the tool does not guard it. -- `dsh-fs` `writeText`/`editText` make `expected` optional (omit ⇒ unconditional); the `FsWriteIntent` union is unchanged, and `dsh-fs-policy`'s guarded paths (`createIfAbsent`/`replaceIfVersion`/`{ version }`) behave exactly as today. A bare-provider test exercises an unconditional overwrite, an unconditional edit, and a missing-target edit reporting `FS_STALE_VERSION`. -- Freshness is enforced by provider CAS when guarded: an edit after a stale read reports `FS_STALE_VERSION` (regression test); `dsh-fs-policy` performs no `stat`. -- `stat` budget: read = 1, write = 0, edit = 0 — in the tool, with or without `dsh-fs-policy` (the bare default returns `undefined`, never stats). A test asserts neither write nor edit stats in the tool on either path. -- Model-facing schemas stay byte-for-byte unchanged; snapshot transcript goldens are unaffected (or the diff is reviewed and re-recorded with justification). -- Docs/artifacts updated in the same change: `docs/architecture.md`, fs package READMEs, `docs/core-data-structures/filesystem.md`, the split-fs-seam RFC's now-amended description, type-equiv blocks + manifest, cordis catalog, module graph. Gates green: `doc-sync`, `knip`, `test:coverage` (100% per-file). +The decoupling and its semantics are pinned by tests: a bare-provider config (no `dsh-fs-policy`) boots the `dsh-tool-fs` root plugin and `read`/`write` (create and overwrite)/`edit` work against the real `dsh-fs-local` — an unread edit and an unread overwrite both succeed, proving the tool carries no `fileContext` dependency, while the same operations with `dsh-fs-policy` present are rejected `FS_NOT_OBSERVED` / gated `createIfAbsent`. A second `fs/edit-intent` listener registered after `dsh-fs-policy` is asserted NOT reached (first-wins short-circuit). A stale-read edit reports `FS_STALE_VERSION` through provider CAS, with `dsh-fs-policy` performing no `stat`; the tool's `stat` budget (read = 1, write = 0, edit = 0, on both paths) is asserted directly. Model-facing schemas stayed byte-for-byte unchanged, so snapshot transcript goldens are unaffected. -## Risks +## Alternatives considered + +- **Keep `ctx.fileContext` as an in-path method service** — the shape [the split-fs-seam RFC](../simplification/2026-06-26-fsspec-style-fs-seam.md) first landed; rejected because the tool could not run without the policy layer, making policy load-bearing for basic operation instead of an opt-in tightening. +- **Policy-side version checking** (`dsh-fs-policy` stats and compares in its waterfall handler) — rejected for the TOCTOU gap between that check and the tool's actual write; the provider's mutation critical section is the only race-free place, so the policy only chooses the CAS basis and gates on prior observation. +- **Per-tool `/read`/`/write`/`/edit` subpath plugins** — dropped on implementation: no consumer needed a single-tool deployment, and subpath publishing forced bespoke `tsdown`/`tsconfig`/`files`/workspace-constraint handling no sibling tool package carries; the per-tool registration helpers remain internal modules the root plugin composes. + +## Consequences - **Event indirection over a method call.** A waterfall + emit is less direct than `await ctx.fileContext.edit(...)`. The payoff is removing the tool-to-policy method dependency while keeping the default policy plugin; the cost is one more event vocabulary to learn. Mitigated by keeping the three events narrow and documenting the default-thunk semantics on each. - **Policy events in the storage seam.** `dsh-fs` gains two version-decision events plus a recording event though it is "just storage". This is the price of decoupling (the emitter cannot depend on the policy plugin). The events carry only `dsh-fs` vocabulary plus an opaque `object` actor and no model-facing concepts, so the seam stays free of line-window/observation policy types and of the agent/session owner structure. diff --git a/docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md b/docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md index 0d797fa8a2..e6ecc974d7 100644 --- a/docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md +++ b/docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md @@ -1,10 +1,8 @@ # RFC: stdin + extra env on the bash seam -Status: implemented (accepted 2026-06-30) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The hooks subsystem runs external hook commands the way Claude Code and Codex do: a hook is a shell command that receives its event payload as **JSON on stdin** and reads context from a handful of **environment variables** (`CLAUDE_PROJECT_DIR`, `CLAUDE_PLUGIN_ROOT`, `PLUGIN_ROOT`, …). The harness already has a perfectly good command runner behind the `ctx.bash` capability seam ([dsh-bash](../../../../packages/bash/bash) → [dsh-bash-local](../../../../packages/bash/bash-local)), with process-group kills, output truncation/spill, and a credential scrub. Reusing it for hook execution means a hook bridge does not re-implement subprocess plumbing — but the seam had no way to write stdin or set extra env. This RFC adds those two inputs. @@ -24,7 +22,7 @@ Three deliberate choices: `dsh-bash-local` spawns stdin as a `'pipe'` (writing the supplied bytes, then closing) ONLY when a caller set `stdin`; with none supplied it uses `'ignore'` — fd 0 → `/dev/null` — the exact pre-seam default. This distinction is observable and deliberate: a closed empty pipe and `/dev/null` are NOT the same file type (node's spawn pipe is an `AF_UNIX` socket, so `test -c /dev/stdin` holds for `/dev/null` but not for an empty pipe), so the no-stdin path — every model-driven call — must keep `/dev/null` rather than regress to an always-open pipe. Each branch's `stdio` tuple is a literal, which preserves the typed `spawn` overload that guarantees non-null `stdout`/`stderr`. When stdin IS written, a child that exits without reading makes the write fail EPIPE; that error is swallowed (the command's outcome rides on its exit code/output, not the write) so it never crashes the host or rejects `done`. -## Scope: configurable scrub pattern is NOT included +## Alternatives considered An earlier sketch of this work also proposed making `SENSITIVE_ENV_PATTERN` configurable. Validating against the code, that is **speculative and already subsumed**: `run.ts` documents a configurable whitelist as future work, and the new explicit `env` field — merged after the scrub — already gives a caller full control, including over credential-shaped vars. There is no current caller that needs to *broaden* the ambient scrub (the hazard runs the other way). Adding a config knob now would be a speculative surface with no consumer. If a real workflow ever needs to forward a specific ambient credential, the explicit `env` field is the supported path; a configurable scrub can be reconsidered then. diff --git a/docs/rfc/implemented/architecture/2026-06-30-event-domain-semantics.md b/docs/rfc/implemented/architecture/2026-06-30-event-domain-semantics.md index 8f5be09b2b..9375a6e248 100644 --- a/docs/rfc/implemented/architecture/2026-06-30-event-domain-semantics.md +++ b/docs/rfc/implemented/architecture/2026-06-30-event-domain-semantics.md @@ -1,8 +1,8 @@ # RFC: Event-domain semantics — session is the fact log, agent is the live surface -Status: implemented (accepted 2026-06-30) +Status: implemented -## Context +## Problem The harness extends the agent loop through a Cordis event taxonomy (see [the microkernel event-taxonomy RFC](2026-06-11-microkernel-event-taxonomy.md)). As that taxonomy grew, the line between the three event domains blurred: @@ -19,7 +19,7 @@ This is the foundational change in a stack that adds a Hooks subsystem; it estab **Three domains, one job each, with a single boundary rule.** - **`session/*` — the durable, replayable FACT log.** Owns `SessionEventMap`; every entry is JSON-only (no live objects). One `session/event` emit per append, plus the `session/flush` parallel durability checkpoint. It is also the live transcript feed: a consumer that wants to render or react to what happened subscribes here, so live rendering and `session/load` replay share one path. -- **`agent/*` — the LIVE runtime surface.** Always carries the live `Agent`. Two shapes: INTERCEPTION waterfalls (`agent/request`, `agent/step-result`, `agent/turn-continuation`) that mutate or veto, and TRANSIENT emits (`agent/status`, `agent/error`, `agent/created`/`agent/disposed`, `agent/queued`, `agent/steering`) that notify with the `Agent` in hand. Turn and step BOUNDARIES are NOT here — they are durable session events read off `session/event`, and so is the token stream (`assistant/chunk`). +- **`agent/*` — the LIVE runtime surface.** Always carries the live `Agent`. Two shapes: INTERCEPTION waterfalls (`agent/request`, `agent/step-result`, `agent/turn-continuation`) that mutate or veto, and TRANSIENT emits (`agent/status`, `agent/error`, `agent/created`/`agent/disposed`, `agent/queued`) that notify with the `Agent` in hand. Turn and step BOUNDARIES are NOT here — they are durable session events read off `session/event`, and so are the token stream (`assistant/chunk`) and mid-turn steering (`steering/message`). - **`tools/*` — the tool registry + execution seam.** **The boundary rule:** a durable, replayable fact is a `SessionEvent`; a live interception or a transient/live-object signal is an `agent`/`tools` Cordis event. A turn or step boundary is a durable fact, so it lives in the session log and is read off the `session/event` feed — it is NOT mirrored as an `agent/*` emit. @@ -31,5 +31,7 @@ This is the foundational change in a stack that adds a Hooks subsystem; it estab - The loop no longer emits any boundary mirror; `closeStep` appends `step/end` only and `closeTurn` appends `turn/end` only. A throwing `step/end`/`turn/end` session-event listener is the surviving boundary-listener failure path (contained inside `closeStep`/`closeTurn` — `Session.append` pushes the event before notifying listeners, so the boundary is durable and the turn closes balanced regardless). - Tests that observed boundaries via the removed emits now observe the durable `turn/start`/`turn/end`/`step/start`/`step/end` session events — the behavior they pin (boundary ordering, step counting) is unchanged; only the feed they read moved to the canonical one. The tests that exercised a *throwing turn-boundary emit listener* were deleted, because that code path no longer exists (there is no emit to throw from). Per [AGENTS.md "tests document behavior, not golden truth"](../../../../AGENTS.md), the behavior and its test moved (or died) together. - The loop marks the step open (`stepOpen = true`) BEFORE appending `step/start`, because `Session.append` pushes the event to the log before notifying `session/event` listeners (validation throws happen earlier, before the push — see [the session append contract](../../../core-data-structures/session.md)). So a throwing `step/start` session-event listener runs with the step already open and the event already in the log: the loop's outer catch then calls `closeStep()`, which appends the balancing `step/end`, and the turn closes balanced with an error (`turn/start → step/start → step/end → turn/end` — verified by the invariants oracle in the regression test). Closing the open step is owed precisely because the marker is set first. -- The full realization of this is [the simplification RFC "Stop mirroring durable boundaries as agent events"](../simplification/2026-06-20-remove-agent-boundary-mirror-events.md): all four boundary mirrors are removed and every consumer reads boundaries off `session/event`. `agent/steering` (a live control signal, not a boundary mirror) is retained; see that RFC's scope section. -- The cordis catalog (`docs/cordis-catalog/events-and-services.md`) is regenerated to drop the mirror events. +- The full realization of this is [the simplification RFC "Stop mirroring durable boundaries as agent events"](../simplification/2026-06-20-remove-agent-boundary-mirror-events.md): all four boundary mirrors are removed and every consumer reads boundaries off `session/event`. `agent/steering` (not a boundary mirror) stayed outside that RFC's scope and was removed by its own follow-up, [Remove the `agent/steering` mirror emit](../simplification/2026-07-04-remove-agent-steering-mirror.md) — it mirrored the durable `steering/message`. +- The cordis events catalog (`docs/cordis-catalog/events.md`) is regenerated to drop the mirror events. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/implemented/architecture/2026-07-02-fs-per-session-cwd.md b/docs/rfc/implemented/architecture/2026-07-02-fs-per-session-cwd.md index 5669ecd98f..d0656c9327 100644 --- a/docs/rfc/implemented/architecture/2026-07-02-fs-per-session-cwd.md +++ b/docs/rfc/implemented/architecture/2026-07-02-fs-per-session-cwd.md @@ -16,7 +16,9 @@ Thread the caller's session cwd into path resolution, exactly as `dsh-tool-bash` - `dsh-fs-local.resolve` uses `resolveLocalTarget(opts?.cwd ?? this.config.cwd, path)`. `config.cwd` stays the default for a caller that supplies none (non-ACP / no-session use, and the single-session stdio demo where `process.cwd()` IS the workspace). - `dsh-tool-fs`'s `read`/`write`/`edit` derive the session cwd through a shared `sessionCwd(exec)` helper (`exec.agent?.session.header.cwd`, mirroring bash's `resolveWorkdir`) and pass it to `resolve`. A non-agent / headerless caller yields `undefined`, so the backend applies its default. -## Why the caller supplies the cwd (not the provider) +## Alternatives considered + +### Why the caller supplies the cwd (not the provider) The provider seam must not depend on `dsh-agent` / `dsh-session` — it is a text-storage backend that a sandboxed or remote implementation also satisfies, and those have no notion of an "agent session". The tool already receives the `ToolExecution` (`exec`), which carries the agent, so the tool is the right place to project `exec → cwd` and hand the provider a plain string. This is the "explicit > implicit at package seams" convention: the base directory arrives as an explicit argument the provider acts on, not smuggled in by having the provider reach into a session it should not know about. It also matches `dsh-tool-bash` one-to-one, so the two model-facing file surfaces resolve paths identically. diff --git a/docs/rfc/implemented/architecture/2026-07-02-result-time-applied-hunk-diffs.md b/docs/rfc/implemented/architecture/2026-07-02-result-time-applied-hunk-diffs.md index 9c95dff773..45d5a77e46 100644 --- a/docs/rfc/implemented/architecture/2026-07-02-result-time-applied-hunk-diffs.md +++ b/docs/rfc/implemented/architecture/2026-07-02-result-time-applied-hunk-diffs.md @@ -37,9 +37,13 @@ Per the [capability-seam split](2026-06-13-capability-seams.md), the storage bac `ToolResultView` gains a `DiffResultView { card:'diff'; title?; diffs: FileDiff[] }`; the bridge's result-side `switch (view.card)` gets a `diff` arm emitting the `{type:'diff'}` `ToolCallContent` blocks (mirroring the call-side arm). An ACP `tool_call_update.content` REPLACES the call's content in an editor, so the result diff **supersedes** the call-time snippet (and keeps the model-facing result text from clobbering it) — the two-update sequence (call snippet, then result diff) matches `claude-agent-acp` exactly. -### The diff algorithm — a third-party runtime dependency over vendoring +## Alternatives considered -Computing hunks-with-context is a solved problem with sharp edge cases (grouping, context coalescing, the trailing-newline marker). Rather than hand-roll it, `dsh-tool-fs` takes a runtime dependency on the npm [`diff`](https://www.npmjs.com/package/diff) package (a `^9.0.0` range, exact-pinned by the lockfile; it ships its own types) and uses its `structuredPatch`. The repo's default is to vendor Cordis-framework source, but that policy is about the *framework*; a leaf tool package taking a small, well-known, self-typed utility dependency is the same shape as `dsh-acp` depending on `@agentclientprotocol/sdk`. Vendoring a diff algorithm would be re-implementing a battle-tested one for no benefit — the [pre-release "foundation over blast radius"](../../../../AGENTS.md) reasoning does not argue for re-deriving standard algorithms. The dependency's output is normalized in one small module (`packages/fs/tool-fs/src/diff.ts`). +**Hand-rolling or vendoring the diff algorithm.** Computing hunks-with-context is a solved problem with sharp edge cases (grouping, context coalescing, the trailing-newline marker). Rather than hand-roll it, `dsh-tool-fs` takes a runtime dependency on the npm [`diff`](https://www.npmjs.com/package/diff) package (a `^9.0.0` range, exact-pinned by the lockfile; it ships its own types) and uses its `structuredPatch`. The repo's default is to vendor Cordis-framework source, but that policy is about the *framework*; a leaf tool package taking a small, well-known, self-typed utility dependency is the same shape as `dsh-acp` depending on `@agentclientprotocol/sdk`. Vendoring a diff algorithm would be re-implementing a battle-tested one for no benefit — the [pre-release "foundation over blast radius"](../../../../AGENTS.md) reasoning does not argue for re-deriving standard algorithms. The dependency's output is normalized in one small module (`packages/fs/tool-fs/src/diff.ts`). + +## Consequences + +`tool/result` events may now carry a tool-private `meta` payload — part of the on-disk vocabulary, runtime-gated to JSON by `Session.append` — and any tool can attach durable result presentation without another core change. The diff card reproduces on session reload and snapshot replay for free: it is read back from the log, never recomputed. The costs: an overwrite holds both the prior and new text in memory to compute a UI-only hunk (`TODO(overwrite-diff-bound)`), and `dsh-tool-fs` carries a small, well-known runtime dependency. ## Non-goals diff --git a/docs/rfc/implemented/architecture/2026-07-02-tool-render-intent-union.md b/docs/rfc/implemented/architecture/2026-07-02-tool-render-intent-union.md index d574f50bba..cdaf152d73 100644 --- a/docs/rfc/implemented/architecture/2026-07-02-tool-render-intent-union.md +++ b/docs/rfc/implemented/architecture/2026-07-02-tool-render-intent-union.md @@ -58,6 +58,16 @@ interface TerminalResultView { card: 'terminal'; title?: string; output?: string `claude-agent-acp` relativizes a file card's title path against the session cwd (`toDisplayPath`) — `Read src/foo.ts`, not `/abs/proj/src/foo.ts` — while keeping `locations[]`/`diff.path` **raw** (the editor opens the real path). Our `presentCall` is pure/args-only and cannot see the session cwd, so this relativization happens at the **bridge**, which already threads the session cwd into tool-call rendering (the same cwd it uses to resolve a terminal card's header). The bridge relativizes the title only, by an exact structured replace of the known `locations[0].path`/`diffs[0].path` substring — generic over the file-card kinds, never special-casing tool names. +## Alternatives considered + +- **Delete tool-owned presentation entirely** — [the rejected collapse proposal](../../rejected/simplification/2026-06-20-generic-tool-rendering.md); its own verdict deferred to exactly this union once two real tools and two real consumers existed, and that bar is now met. +- **A merge-extensible union** (the `ContentBlockMap` pattern) — rejected: a new render intent needs new bridge code to render it anyway, so a plugin-added variant the bridge silently drops would be worse than the compile error the closed union raises at the bridge's `assertNever` switch. +- **Keeping the optional-field bag** — the status quo the Problem dissects: invalid states representable, undocumented field interactions, and no way to ask for a diff card at all. + +## Consequences + +A new render intent is a compile-breaking change at the bridge switch — deliberately: rendering code must exist before a card kind does. Invalid card/field combinations are now unrepresentable, and the bash fallback derivation lives in the bridge, so a tool returns one structured shape. The bar for a fourth card (a table, a chart) is writing its bridge arm in the same change. + ## Non-goals - **Live incremental `terminal_output_delta` streaming** and **command classification** — the terminal-rendering RFC's own deferred follow-ups, untouched here. diff --git a/docs/rfc/implemented/architecture/2026-07-03-filesystem-directory-listing-seam.md b/docs/rfc/implemented/architecture/2026-07-03-filesystem-directory-listing-seam.md index a02cfeb5bb..050c0f3590 100644 --- a/docs/rfc/implemented/architecture/2026-07-03-filesystem-directory-listing-seam.md +++ b/docs/rfc/implemented/architecture/2026-07-03-filesystem-directory-listing-seam.md @@ -1,10 +1,8 @@ -# Add direct directory listing to the filesystem seam +# RFC: Add direct directory listing to the filesystem seam -## Status +Status: implemented -Implemented. - -## Context +## Problem `@deepseek-ai/dsh-fs` is the provider seam for filesystem access, with local and future non-local backends behind the same `ctx.fs` contract. Before this change it could resolve paths, stat targets, read text, stream text, write text, and edit text. That was enough for model-facing file tools, but not for non-model-facing consumers that need to enumerate directories without importing `node:fs`. @@ -36,7 +34,7 @@ Broken or disappeared children may be represented as `type: 'other'` without `ve - `FS_IO_ERROR` for other backend I/O failures. - `FS_ABORTED` for aborted calls. -## Rejected alternatives +## Alternatives considered **Add a model-facing list tool now.** Rejected for this PR. The immediate request is the provider seam, and the user explicitly asked not to change skill loading or other upper layers in this branch. A model-facing tool needs prompt/schema/rendering decisions that should be reviewed separately. diff --git a/docs/rfc/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md b/docs/rfc/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md new file mode 100644 index 0000000000..24a525307e --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md @@ -0,0 +1,70 @@ +# RFC: Prompt variables and tool-guidance ownership + +Status: implemented + +## Problem + +The assembled system prompt had four defects, all of one family: facts the harness already knows were restated by hand somewhere else, and drifted. + +**The model could not know its own name.** `AgentOptions.model` drives every request, but no prompt text carried it — and nothing COULD carry it: sections in `dsh-system-prompt` were context-global while the model name is per-agent, and `assemble()` took no per-agent input at all. + +**Tool guidance was hand-written prose in leaf YAML.** The bash/subagent/todo_write usage guidance lived in the `systemPrompt` strings of `examples/coding-agent/cordis.yml` and `examples/acp-agent/cordis.yml` — two drifting copies (the ACP one was already abridged) — while `dsh-tool-fs` and `dsh-tool-web` owned their guidance as `ctx.systemPrompt.section()` contributions. Loading or dropping a tool plugin meant editing every deployment's persona by hand; both YAMLs carried a `FIXME(config-comments)` apologizing for a symptom of the split, and the stdio welcome banner hand-enumerated the tool set too. + +**The persona rendered after tool guidance.** The loop string-joined `agent.options.systemPrompt` AFTER the assembled sections, so the model read "Use the read tool…" before "You are coding-agent" — backwards relative to the identity-first convention (Claude Code, Codex) and a second composition path besides the section pipeline. + +**The fork tool's description was false.** `dsh-tool-subagent` hardcoded one description written for spawn semantics — "a separate agent that works in its own context … it does not see this conversation" — and the `subagent_fork` instance (whose child inherits the parent's completed turns) got the same words; the YAML prose corrected the lie out-of-band. Minor kin: `PromptSection.name` was documented "(diagnostics / dedup)" but duplicates were silently accepted. + +## Decision + +**One principle: every fact in the prompt has exactly one owner.** The model name and workspace are config/session facts → the harness exposes them as variables and the persona references them. Per-tool semantics and when-to-use → the tool's `description`. Cross-call habits a description cannot carry → the tool package's prompt section. Identity and behavior → the deployment's persona, and nothing else. + +### Assemble context + +`SystemPrompt.assemble(context)` takes an `AssembleContext` — declared EMPTY and merge-extensible in `dsh-system-prompt` (the package stays agnostic of who assembles); `dsh-agent` declaration-merges `agent?: Agent` onto it (a new type-level edge `agent → system-prompt`, no cycle — `tools` already depends on both). The loop passes `{ agent }` each step; section text providers become `string | ((context) => string)` (zero-arg providers stay valid), and the `system-prompt/assemble` waterfall gains the context parameter so a listener can filter or extend per agent. + +### Prompt variables + +Plugins contribute named values via `ctx.systemPrompt.variable(name, provider)`; prompt text references them as `{{name}}`. Providers are functions of the `AssembleContext` and may return `undefined` — "no value for THIS assembly". `assemble()` resolves every registered variable into `PromptAssembly.variables` (waterfall listeners can see, add, or override); `renderPrompt` interpolates. Rendering is STRICT — fail loud beats shipping a malformed prompt: a reference to an unregistered name throws (listing what exists; lookup is `Object.hasOwn`, so a prototype property like `{{constructor}}` is unknown, not a function spliced into the prompt), a registered-but-valueless reference throws, a complete `{{…}}` group that is not a well-formed name (`[a-z][a-z0-9_]*`, e.g. `{{ model }}`) throws, and a `{{` that opens no complete group while a `}}` still follows (`{{{model}}}`, `{{a{b}}`) throws. A lone `{{` with no `}}` anywhere after it is ordinary prose and passes through verbatim; substituted values are never re-scanned. Registration rejects duplicate and unreferenceable names, mirroring the tool registry — and `section()` now rejects duplicate section names, making the documented dedup real. + +`dsh-agent-loop` registers the two built-ins, both pure projections of the context agent: `model` (= `options.model`) and `cwd` (= `session.header.cwd`). The example personas write `powered by the {{model}} model` — the model name is stated once, in the `model:` config key. `{{cwd}}` is demonstrated in the ACP example only: every ACP session carries the client's cwd, while config-pre-created stdio agents have none (a persona claiming `{{cwd}}` there fails the turn — by design). The variables stay on the loop plugin (unlike the sections below): they are runtime facts of the agents THIS loop drives, and a replacement loop supplies its own. + +### Persona as the order-0 section + +`dsh-system-prompt` itself registers the two harness-owned sections (they must survive a swapped loop plugin, so they do NOT live on `dsh-agent-loop`): the static `harness:identity` at order `-100` — every prompt opens by stating the agent is powered by the DeepSeek Harness SDK — and `deployment:persona` at order 0, whose text is the plugin's own `persona` config. The persona is per-DEPLOYMENT, not per-agent: every agent in the context (subagents included) renders the same one, `AgentOptions.systemPrompt` is deleted along with the per-agent forwarding plumbing (the app configs' `systemPrompt` keys become a `persona` key routed to this plugin through `dsh-agent-core`), and the ACP bridge and `dsh-tool-subagent` stop carrying persona configuration entirely. The loop's special-case join is deleted: `fullSystemPrompt ≡ renderPrompt(assembly)`, one ordered pipeline for everything the model sees, and `agent/pre-step` (compaction's token-pressure input) measures exactly the real prompt. Order bands are now convention: harness identity `-100`, persona `0`, tool guidance `100–199`; other negative orders also render before the persona. + +### Tool guidance ownership + +Per-tool semantics and when-to-use live in tool DESCRIPTIONS, which already ship in every request — the YAML prose was ~fully redundant with them. Sections carry only the cross-call habits a single call's description cannot: `dsh-tool-bash` contributes `tool:bash` (order 105) — check the `[exit code: N]` marker on every result; `dsh-tool-fs`'s read section gains the "not shell commands like cat" contrast. `todo_write` and the subagent tools need NO section — their descriptions already carry the whole contract. The leaf personas shrink to identity + behavior (verify your work; keep answers brief), and the welcome banner stops enumerating tools. + +### The subagent context contract + +`SubagentProvider` gains `readonly inheritsParentContext: boolean` — a DESCRIPTIVE fact beside `capabilities`, not in it (capabilities are start-time validation; nothing validates against this flag). Spawn and ACP declare `false`, fork declares `true`. `dsh-tool-subagent` derives both the tool description and the `prompt` parameter description from the flag (`providerWording`): the fork instance now tells the model the child inherits the conversation's completed turns (not the in-flight turn) and that its prompt should state only what is new. Deriving the description from a provider that arrives on its own fiber is what forced the provider-lifecycle events and the tool's reactive registration — that mechanism, its Loader-concurrency rationale, and its rejected alternatives are recorded in [the provider-lifecycle-events RFC](2026-07-05-subagent-provider-lifecycle-events.md). + +## Alternatives considered + +- **The loop composes an identity line itself** — hardcodes model-facing prose in the one package that must stay thin ("plugins, not loop changes"), and outside the section pipeline it would be a second composition path. (The identity DOES ship as a code literal — but as an ordinary section registered by `dsh-system-prompt`, whose `system-prompt/assemble` waterfall remains the escape valve for a deployment that must drop it.) +- **Inject the model name via the `agent/request` waterfall** — prompt text composed in two places, and `agent/pre-step`'s `fullSystemPrompt` would omit it, so compaction would measure a prompt that is not what the model sees. +- **Hand-write the model name in each persona** — duplicates the `model:` key one line above and silently lies after a config edit; the exact disease this RFC cures. +- **Lenient interpolation (leave unknown refs verbatim, or substitute empty)** — a typo ships `{{modle}}` (or a hole) to the model and nobody notices until transcript review. +- **Per-instance subagent wording in config** — returns model-facing prose to every deployment × instance, the P2 disease again. **Keying wording off the provider NAME** — `providerName` is itself config, so a renamed provider silently gets the wrong words. +- **Resolving the provider at `apply` time (a load-order requirement)** and **section-only subagent wording (lazily resolved at assemble)** — the alternatives to the provider-lifecycle events; both rejected in [the provider-lifecycle-events RFC](2026-07-05-subagent-provider-lifecycle-events.md). + +## Out of scope + +- Further variables (`date`, platform, git state) — the registry makes each a one-line contribution by whichever plugin owns the fact; none is claimed here. +- A config `cwd` for pre-created stdio agents (would let the stdio persona use `{{cwd}}` and partition persistence by real path) — deferred until the session-cwd story is revisited. + +## Shipped invariants + +- `renderPrompt(assemble({ agent }))` for the coding-agent example renders the persona FIRST (with the agent's model name interpolated), then the fs/bash/web guidance sections; the loop has no other prompt-composition path. +- The `subagent_fork` schema description says the child inherits the conversation; the `subagent` one says it does not. The tool follows its provider: absent before the backend activates, present after, gone when the backend unloads, re-worded from the fresh provider on reload. +- Unknown/valueless/malformed/unbalanced `{{…}}` references throw with the section name in the message; duplicate section, variable, and tool-name registrations all throw. +- Snapshot goldens are prompt-independent by construction: llm-replay keys replay on (turn, step) chunk streams and never re-verifies the outgoing request. + +## Consequences + +- Every fact in the assembled prompt now has exactly one owner, and the hand-maintained tool prose in leaf YAML is gone: loading or dropping a tool plugin no longer means editing any deployment's persona. +- `{{model}}` reflects `AgentOptions.model` at assembly time. A plugin that switches models in the `agent/request` waterfall makes the prompt's claim stale for that step, and one that SUPPLIES the model there (options.model unset — the loop's documented fallback) leaves the variable valueless at render, failing a `{{model}}` persona before the waterfall runs. Both have the same remedy, and it is the ownership rule itself: the plugin that owns the late-bound model fact states it early on the `system-prompt/assemble` waterfall (`assembly.variables['model'] = …`) — one owner, both statements; a loop test pins the supply path end-to-end. Accepted. +- While a bound provider is absent (not yet activated, unloaded, mid-HMR-reload), the subagent tool does not exist and a model request in that window simply lacks it. That is the honest state — the alternative was a registered tool whose description or execution could not be trusted. +- Strictness means a persona can fail a turn at render (e.g. `{{cwd}}` on a cwd-less session). The failure is contained — the turn ends `error`, the loop survives — and it is an authoring error we WANT loud. +- No escape syntax for a literal `{{name}}` in prompt prose yet; add one if a real prompt ever needs it. diff --git a/docs/rfc/implemented/architecture/2026-07-05-reconstructable-requests.md b/docs/rfc/implemented/architecture/2026-07-05-reconstructable-requests.md new file mode 100644 index 0000000000..73967c14b6 --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-05-reconstructable-requests.md @@ -0,0 +1,53 @@ +# RFC: Every LLM request is reconstructable from the session log + +Status: implemented + +## Problem + +Two gaps shared one root. First, provider KV caching (DeepSeek context caching) is prefix-based — a request pays full price only for the tokens after the longest stored prefix it matches — yet nothing in the request pipeline stated, checked, or measured prefix stability: every registered [`PromptSection`](../../../../packages/core/system-prompt/src/index.ts) happened to be static, the tool set happened not to change mid-session, no listener happened to rewrite requests. A single time-interpolating section would have silently multiplied context cost, and no test or metric would have moved. Second, and deeper: the session log — the system's single source of truth — could not actually answer *what the model saw*. It recorded every message but never the system prompt, the tool schemas, or even which model; the mutable `agent/request` waterfall handed listeners the whole `GenerateOptions` to rewrite per call; replay equivalence was therefore a property of the plugin population, not of the design. + +The reference shape for the happy path is MiniCode's `LLMClient`: a stateful conversation client, appended to — never rebuilt — as the conversation advances, resetting only when the system prompt, tool set, or compaction genuinely changes what the model must see. The design question this RFC answers is how to get that discipline without giving up event-sourcing. + +## Decision + +### The principle + +**Model-visible ⟺ logged.** Anything that reaches a model request must be recorded in the session log. The checkable consequence: **every conversation request the loop sends is a pure function of the session log** — anyone holding the log reconstructs it byte-for-byte. Scope, stated precisely: the guarantee covers the loop-built `GenerateOptions`; provider wire bytes follow from it because both adapters' serialization is a pure per-message function at a pinned code version; direct one-shots (compaction's summarize call) log their envelope scalars (`compact/summary.{model, maxTokens}`) and their input is deterministic code over the logged region — reconstructable from log + code, outside the invariant by the unfrozen-request marker. + +Prefix-cache stability is corollary #1, not the headline: an append-only log projected by a per-node pure function yields requests that are append-extensions of their predecessors whenever the header is unchanged — stability is emergent, not managed. Byte-exact audit/replay is corollary #2; resume and fork with *attributable* drift is corollary #3. + +### The mechanism + +**Messages.** `Session.deriveMessages()` is cached: each surface node is projected exactly once, when first seen, through the public per-node function `deriveEventMessage(event)`; a surface rewrite (a compaction `replace` — `SurfaceManager.replaceGeneration`) rebuilds. Callers get a fresh array per call over shared, deep-frozen messages: mutating logged history through a projection is unrepresentable (it throws), replacing the old clone-per-call isolation. External reconstructors fold the same public function over a log prefix, so no two paths can disagree. + +**The header.** The request's non-history half — `EpochHeader`: call config (`LlmCallConfig`: model + sampling scalars), rendered system prompt, assembled tool schemas, and the session prefix (`messagePrefix`, below) — is logged session state, in canonical form (empty system/tools/prefix ≡ absent). Two log-only, turn-enclosed events in dsh-session carry it: `request/header`, a full snapshot with reason `'initial' | 'resume' | 'fallback'`, and `request/header-delta`, an amendment (`SystemDelta`: a common-prefix/suffix line trim; `ToolsDelta`: name-keyed added/removed/changed; `config`: replaced whole; `messagePrefix`: replaced whole, an empty array encoding the transition to absence — an arm the loop never exercises in practice, kept for codec totality). The pure trio `foldRequestHeader` / `diffHeader` / `applyHeaderDelta` reconstructs; the live session tracks the fold with the same lazy cursor as the message cache. Snapshots anchor the fold where a fold needs anchors — conversation birth and process boundaries — and each loop instance appends one on its first request (`'initial'` when the log has none, `'resume'` otherwise, even when nothing changed: the boundary itself is a recorded fact, and cross-restart drift becomes attributable while an unchanged header resumes byte-identical). Deltas are an encoding optimization with a safety valve, never a correctness dependency: the writer verifies `applyHeaderDelta(prev, delta)` reproduces the new header exactly and records a `'fallback'` snapshot when the encoding cannot express a change (a pure tool reordering), so a well-formed log always folds. + +**The loop, transmission-stateless.** Per step: render assembly (every step — value comparison needs no change-signal discipline, and a section that varies per step surfaces as a *logged* header event per step instead of a silent bust) → on the instance's FIRST step only, the `agent/session-prefix` waterfall — request-ONLY messages fronting the entire derived history (a frozen empty seed, contributions returned as an extension of `next()`; the home for session-stable openers that must NOT become history — a skills catalog, an AGENTS.md digest), deep-frozen and cached on the instance so reuse is structural and the prefix cannot drift mid-session — → `agent/pre-step`, carrying the composed prefix (compaction's surface mutations land before derivation, and its pressure gate counts the prefix this instance will actually send — never a previous instance's logged one, which could under-gate a resumed/forked instance whose contributor grew) → **messages snapshot, then `step/start` appended as the next operation in the same synchronous frame** → seed the call config (first request of the instance: from `AgentOptions`, so explicit options always beat the logged baseline — fork model-overrides and resume reconfiguration stay correct; afterwards: from the folded header) → the `agent/request` waterfall, re-typed `(agent, turn, step, config: LlmCallConfig, next) → LlmCallConfig` — a frozen seed and a returned replacement are ALL a listener shapes; durable content flows through the log channels (`inject()`, steering, prompt-submit `additionalContext`, sections via `system-prompt/assemble`) — → the header event the request owes the log, carrying the prefix as `messagePrefix` (no session event carries it, so the header is its only durable record; resume = a new instance = a recompose, anchored by its `'resume'` snapshot) → build `GenerateOptions` from `messagePrefix + snapshot` + header, deep-freeze (`deepFreeze` exempts the `AbortSignal`, the one live control channel — freezing one breaks `AbortController.abort()`), dispatch. The loop's per-instance bookkeeping is one boolean plus the cached prefix: whether this instance has logged its anchoring snapshot, and what it composed. + +**The reconstruction boundary is `step/start`, unconditionally.** A step's messages are the derivation over `events[0..stepStartSeq)`. Because the snapshot precedes the `step/start` append in the same synchronous frame, nothing can enter this request past the boundary: an `agent.inject()` from an `agent/request` listener (or any concurrent task, or a `session/event` listener firing on `step/start` itself) lands in the log after the boundary and joins the NEXT request. For waterfall-window appends this matches the prior loop (it also derived before its waterfall); for a synchronous `step/start` listener it is a deliberate change — such a listener could previously reach the current request — and `agent/pre-step` is the sanctioned seam for content that must affect the CURRENT request. A step's header for reconstruction is the fold after its own `request/header*` event (which sits between its `step/start` and first response event) or the fold carried forward. + +**Enforcement.** Dev-mode ([dsh-invariants](../../../../packages/support/invariants/src/index.ts)), on `llm/stream`: a frozen request with a live `sessionId` — the loop-built marker; hand-built one-shots are unfrozen and skipped — must carry messages deep-equal to the folded header's `messagePrefix` followed by the boundary derivation — the derivation rebuilt through a FRESH `Session` over `events[0..stepStartSeq)` so the live cache cannot vouch for itself — and header fields equal to `foldRequestHeader` over the log. There is no divergence allowance and nothing to allow: no seam can put unlogged content into a request — the `agent/session-prefix` seam's product enters only because the header event records it first. `prepend: true` only defends against the replay adapter's short-circuit (an append-registered listener); two prepended listeners have no defined mutual order in cordis, so correctness rests on the seq-bounded fold, never on listener timing. Measurement stays lean: the with-key e2e ([request-cache.e2e.ts](../../../../packages/core/agent-loop/tests/request-cache.e2e.ts)) proves `usage.cacheReadTokens > 0` on every request after the first against the live API, and per-step usage in the log is the production observable — a header event or compaction shows up as a cache-read collapse on the next step. + +### The MiniCode shape: adopted, with the provenance arrow inverted + +What survives from `LLMClient`: the conversation is maintained, not rebuilt — one projection per message, ever; requests advance append-only; resets happen only for a system-prompt/tool change, a config change, or compaction, each now a *logged* fact. What is deliberately inverted: MiniCode's client is the source of truth and its event stream derives from client appends (`on_event(MessageAdded)`), which suits an advisory event stream. Here the log is contractual — persistence, crash recovery, fork seeding, transcript rendering, and the snapshot harness all replay it — and it carries strictly more than a message list (turn/step boundaries, raw chunk streams, tool-call pairing, provenance, log-only records), so a message-list client cannot generate it. The arrow therefore points log → client: the conversation state IS the log plus two cached folds inside `Session` (messages, header), and the "client" the loop talks to is the session itself. What the inversion buys over the original: the reconstruction is *checkable* against an independent record on every request — MiniCode's client has nothing to check itself against. + +## Alternatives considered + +- **Client as source of truth** (literal MiniCode): a second operative truth beside the log — the two drift and nothing notices; see the section above. +- **A stateful transmission client mirroring the log** (a `PromptPrefix` class holding committed/open message zones with an append/editTail/reset vocabulary, the log pushed into it per event): behaviorally equivalent on the happy path, but it duplicates conversation state outside the session, needs transactional rollback around listener seams, keeps an unlogged content-shaping surface (`editTail`) whose divergence the invariant must specially allow, and still cannot answer "what header did the model see" from the log. Dissolving it into the session's own caches plus logged header events made every one of those problems unrepresentable instead of guarded. (PR #162 is the archaeology of this alternative, three designs deep.) +- **Per-call request scalars** (a freely mutable config handed to each `agent/request` dispatch): a listener flips the model per call with zero accounting, silently abandoning the provider cache this design exists to protect. Config is per-conversation logged state; the waterfall proposes, the log records. +- **Detect-and-report** (compare consecutive requests, warn on divergence): catches violations after the fact; a violating request is still constructible and ships. Rejected for interface-level unrepresentability. +- **Event-driven assembly** (re-render only on change signals): a missed-signal bug class — a tool registered mid-session emits `tools/change`, not `system-prompt/change`, and a third-party provider may emit nothing. Per-step render + value compare is robust with zero signal discipline. +- **Narrative fields on the header events** (a `reason`/`changed` list on deltas): derivable by diffing consecutive events — one home per fact; snapshots carry a reason because an anchor's cause is NOT derivable from the data. + +## Consequences + +- A request that is not explained by the log cannot be constructed by accident — not by the loop, not by a listener; mutating a built request throws; every header change is a durable, diffable log event. +- Choosing between the advisory channels is a change-frequency decision, and the design makes the stable one structural: an `agent/session-prefix` contribution is composed once per loop instance and reused verbatim, so it extends the cacheable prefix at zero marginal cost and CANNOT bust the provider cache mid-session; content that changes mid-session flows through the append-only history channels — `agent.inject()`, a `tools/post-execute` decision's `additionalContext`, prompt-submit `additionalContext` — each a durable `context/message` paid once and prefix-cached thereafter, at the price of accumulating in history and the log. Route session-frozen openers to the prefix and change notices to the history channels; a per-step request-only tail slot was deliberately dropped (no consumer, and a durable append covers every current update pattern). +- What still costs full price at the provider is inherent and logged: compaction (its `compact/*` events and replace node), a real prompt/tool change (`request/header-delta`), a config switch (ditto), a process boundary with drift (`'resume'` snapshot differing from its predecessor). The provider's own reasoning-content exclusion is managed server-side. +- The `step/start`-listener behavior change (above) is the one observable semantics change for plugins; `agent/pre-step` is the current-request seam. +- Tool-result trimming (planned) needs no new mechanism: a logged single-node surface replace (`start === end`) carrying a trimmed `tool/result` under the same `callId` — compaction-family, replay-correct, cache-bust batched by the same pressure logic. +- Session logs grow one `request/header` snapshot per conversation (system + tool schemas: the dominant term), plus deltas on real changes — small next to `assistant/chunk` volume; `SESSION_FORMAT_VERSION` stays `0` (pre-release churn is absorbed, backends reject-not-migrate). +- Snapshot goldens changed once (every transcript gains its header events); the fs-writing fixtures are stored in the normalized authored form with cwd-relative tool arguments, because replay only round-trips cwd-independent argument paths. +- FIXME(call-config-shape): revisit `LlmCallConfig`'s exact field set — which fields are genuinely epoch-level for cache purposes (`model` certainly; the sampling scalars sit there out of caution), and where provider-specific extras (reasoning options, extra body params) belong when an adapter needs them. diff --git a/docs/rfc/implemented/architecture/2026-07-05-subagent-provider-lifecycle-events.md b/docs/rfc/implemented/architecture/2026-07-05-subagent-provider-lifecycle-events.md new file mode 100644 index 0000000000..46e7ea4e71 --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-05-subagent-provider-lifecycle-events.md @@ -0,0 +1,34 @@ +# RFC: Subagent provider-lifecycle events — `subagent/provider-added` / `subagent/provider-removed` + +Status: implemented + +## Problem + +[The prompt-variables RFC](2026-07-05-prompt-variables-and-tool-guidance-ownership.md) makes `dsh-tool-subagent` DERIVE its model-facing wording from its provider: `SubagentProvider.inheritsParentContext` (spawn/ACP `false`, fork `true`) drives both the tool description and the `prompt` parameter description (`providerWording`), so the fork tool stops lying about context inheritance. That fix created a cross-fiber data dependency: a tool's description is fixed at TOOL REGISTRATION (deliberately — the description is where tool-choice guidance lives), but the provider arrives on its own plugin fiber, on no particular schedule. + +The first implementation resolved the provider at the tool plugin's `apply` time and threw when it was absent — an implicit load-order requirement ("list the backend before the tool in cordis.yml"). Review reproduced the failure that requirement hides: the cordis Loader starts sibling entries CONCURRENTLY (`Promise.all` over the group) and `Entry.init()` does not await activation, so a backend whose activation is delayed leaves the tool's fiber permanently failed even when "listed first". The ordering the requirement leaned on is not a contract the Loader offers — "async state is not synchronous state" ([defensive patterns](../../../defensive-patterns.md)). + +## Decision + +The registry announces provider membership as typed events, and the consumer mirrors them instead of assuming order: + +- **`subagent/provider-added(provider)`** — a provider became resolvable in the `ctx.subagents` registry. Emitted on registration. +- **`subagent/provider-removed(name)`** — a provider left the registry (its plugin's fiber was disposed — an unload or an HMR reload). Emitted from the registration's disposer. + +`dsh-tool-subagent` mirrors its named provider's lifecycle: it registers the tool when the provider is (or becomes) available — deriving the wording from that provider at that moment — unregisters the tool when the provider goes away, and re-derives on re-registration (HMR reload). While the provider is absent the tool does not exist, which cannot lie to the model. There is deliberately NO load-order requirement left to document: the events make the ordering question disappear instead of pinning it. + +The events also complete the seam's vocabulary: `ctx.subagents` is a named registry on which multiple delegation backends coexist (`spawn`, `fork`, `acp`), and a registry whose contents other plugins derive state from should announce membership changes as typed events rather than requiring polling or load-order faith. + +## Alternatives considered + +- **Resolving the provider at `apply` time and throwing when absent (a load-order requirement)** — the first implementation, rejected after review reproduced the failure above. Documenting the requirement ("list backends first") would pin a guarantee the Loader does not make. +- **Retrying the lookup (poll until the provider appears)** — converges eventually but invents a private readiness protocol beside the one the framework already has (effect registration + disposal); it also cannot notice a provider LEAVING, so HMR would strand a tool whose wording describes a disposed backend. +- **Section-only subagent wording, lazily resolved at assemble time** — tolerates any load order too, but moves tool-choice guidance out of the DESCRIPTION, contradicting the ownership rule the prompt-variables RFC establishes (per-tool semantics and when-to-use belong in the description). Reactive registration keeps the description authoritative AND order-free. +- **Keying wording off the provider NAME instead of the provider object** — `providerName` is itself config, so a renamed provider silently gets the wrong words; deriving from the resolved provider's own `inheritsParentContext` cannot drift. + +## Consequences + +- Consumers deriving state from a named provider react to `subagent/provider-added`/`-removed` instead of reading the registry at `apply` time; `dsh-tool-subagent` is the reference implementation. +- **The two emits carry asymmetric failure semantics, deliberately.** `provider-removed` fires inside the registration's disposer and is delivered with PER-LISTENER containment (the service's `emitLifecycle`, not raw `ctx.emit`, which halts dispatch on the first throw): a throwing subscriber is logged, never starves a later mirror into holding a stale tool, and never disrupts the backend fiber's teardown — dispose reaches quiescence. `provider-added` propagates: it fires at registration time, where a throwing listener unwinds the yielded rollback — the same fail-loud register-time semantics as the system-prompt registries. The run-time backstop bounds what a stale mirror could cost anyway: `start()` re-resolves the provider by name per run, so a tool that outlived its provider fails that call cleanly instead of dispatching into a dead backend. The [events catalog](../../../cordis-catalog/events.md) carries the exact signatures, and the [producer/consumer map](../../../event-producer-consumer.md) shows `dsh-subagent` emitting and `dsh-tool-subagent` consuming both events. +- **A window where the tool is absent.** Between backend disposal and re-registration (an HMR reload), the model sees no subagent tool. This is the honest state — the alternative is a tool that dispatches into nothing — and the tool registry's `tools/change` emit keeps prompt assembly current. +- **Two waiting fibers sharing a `toolName` is an invalid config caught late.** If two loads of `dsh-tool-subagent` name different providers but the same `toolName`, both wait, and whichever provider arrives first registers; the second registration throws only when ITS provider arrives. `TODO(subagent-dup-toolname)` in the plugin records this blast radius; the tool registry's duplicate-name rejection remains the backstop. diff --git a/docs/rfc/implemented/architecture/2026-07-06-timeout-deadline-library.md b/docs/rfc/implemented/architecture/2026-07-06-timeout-deadline-library.md new file mode 100644 index 0000000000..4902a0e833 --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-06-timeout-deadline-library.md @@ -0,0 +1,98 @@ +# RFC: A shared timeout/deadline primitive, with hard-kill left to each capability + +Status: implemented + +## Problem + +Timeout handling was drifting apart across the tool-bearing capabilities, and the divergence was not superficial — it was the same logic re-implemented three ways, each with its own subtle correctness burden. + +- **bash** ([packages/bash/bash-local/src/run.ts](../../../../packages/bash/bash-local/src/run.ts)) had a full, correct timeout inside the process plumbing: a config-clamped `timeoutMs`, two independent triggers — a `killTimer` for the timeout and an `onAbort` listener for upstream cancellation — each calling one `kill()` closure that escalates SIGTERM→grace→SIGKILL on the process group, and two orthogonal outcome booleans (`timedOut`, `aborted`) latched independently. +- **web_fetch** ([packages/web/web-fetch-local/src/provider.ts](../../../../packages/web/web-fetch-local/src/provider.ts)) had a correct but *hand-rolled* timeout: it constructed an `AbortController`, wired `setTimeout(() => controller.abort(new WebError(…, 'WEB_FETCH_TIMEOUT')))`, manually added and removed the upstream-signal listener, cleared the timer in a `finally`, and recovered the timeout reason from `signal.reason` in a `translateAbortOrNetwork` helper because the reader surfaces a bare `AbortError`. +- **web_search** ([packages/web/tool-web/src/search.ts](../../../../packages/web/tool-web/src/search.ts)) had **no timeout at all**: `WebSearchRequest` ([packages/web/web/src/types.ts](../../../../packages/web/web/src/types.ts)) carries no `timeoutMs` field, and each provider's `search()` only forwards `exec.signal`. (web_search stays untimed here — see Consequences.) + +Each new external-process or network tool re-derived the same four things — clamp the requested value, start a timer, fuse the timeout with upstream cancellation, and distinguish "timed out" from "cancelled" on the way out — and the fusion and reason-recovery are exactly the parts that are easy to get subtly wrong (web_fetch's `signal.reason` dance is evidence). At the same time, the *termination* each performs is irreducibly different: bash kills an OS process group (work runs in a child process, outside this runtime, reachable only by signal), while web aborts an in-process `fetch` (undici tears down the socket). There is no single mechanism that can stop all of them. + +The two reference agents surveyed converged on the same split. Codex models "what will end this exec early" as one value (`ExecExpiration`, an enum fusing timeout and a cancellation token) whose `wait_with_outcome()` returns `TimedOut | Cancelled`, while the actual `kill_process_group` lives outside it — and that abstraction is reused *only* across the exec family, with MCP, model-stream, and guardian each keeping their own bespoke `tokio::time::timeout`. Claude Code shares nothing: bash and ripgrep each own a private SIGTERM→SIGKILL kill and distinguish timeout from cancellation by throwing distinct error types, while file I/O has no timeout. Both confirm the boundary drawn here: the timing-and-classification half is worth sharing within a family of like-terminated operations; the termination half is not shareable and stays in each capability. + +## Decision + +`@deepseek-ai/dsh-timeout` lives under `packages/util/` (peer to `dsh-brand`) and owns the *timing and classification* half of timeout; the *termination* half — the hard kill — stays in each capability's implementation. It is a library of pure functions, **not** a cordis service or plugin: it takes no `ctx`, registers nothing, holds no cross-call state, and emits no events. There is deliberately no central "timeout service" that would have to know how to stop every capability's work — that knowledge is exactly what a microkernel keeps out of shared layers, and what Codex's exec-only `ExecExpiration` scope demonstrates. + +### The library surface + +Three functions plus one reason type: + +```ts ignore-check +/** The internal reason attached to a timeout abort, so consumers can classify it after the fact. */ +export class TimeoutReason extends Error { + override name = 'TimeoutReason' + + constructor(readonly code: string, readonly timeoutMs: number) { + super(`${code} after ${timeoutMs}ms`) + } +} + +/** Validate/fill a caller's optional positive hint from the backend's default, then cap at its max. */ +export function clampTimeout( + requested: number | undefined, + def: number, + max: number, + name = 'timeoutMs', +): number + +/** + * Build a deadline signal that aborts on upstream cancellation OR on timeout, + * with the timeout carrying a `TimeoutReason`. `timeoutMs <= 0` means "no + * timeout" (background tasks): forward only the upstream signal, arm no timer. + * The returned object's `[Symbol.dispose]` clears the timer — `using` for a + * scope-lifetime consumer, a manual call for an event-lifetime one. + */ +export function deadline( + upstream: AbortSignal | undefined, + timeoutMs: number, + code: string, +): { signal: AbortSignal; [Symbol.dispose](): void } + +/** Recover the TimeoutReason from an aborted signal (or error); `code` scopes the match to this deadline's timer. */ +export function timeoutOf(x: AbortSignal | { reason?: unknown }, code?: string): TimeoutReason | undefined +``` + +`deadline` is `AbortSignal.any([upstream, <timeout controller>])` with three things the standard library does not give: a typed, identifiable `TimeoutReason` on the timeout abort (native `AbortSignal.timeout()` yields a fixed `TimeoutError`, indistinguishable across timeout kinds), an internal `timeoutMs <= 0` "no timeout" sentinel for backend-owned background work, and a `Symbol.dispose` cleanup that works with both `using` and manual disposal. `AbortSignal.any` is a Node ≥ 20 primitive; it is the single mechanism that fuses two abort sources into one, adopting the reason of whichever fires first. External request hints validate as positive finite numbers via `clampTimeout` before they reach `deadline`; `0` is not a model-/plugin-facing "disable timeout" value. When `timeoutMs <= 0` and no upstream signal is present, `deadline()` returns a never-aborting signal plus a no-op disposer so callers keep one call shape. `TimeoutReason` is an internal classification reason: providers translate it into seam-specific public errors or result fields before returning to callers. `timeoutOf`'s optional `code` scopes classification to the caller's own deadline: when the `upstream` is itself a deadline (a future `tools/execute` middleware arming a per-call deadline), `AbortSignal.any` preserves the outer `TimeoutReason` if it fires first, and an unscoped match would misreport the outer timeout as the inner capability's own; scoping to `code` reads a foreign timeout as an ordinary upstream cancel. + +### The division of labor + +| Concern | Owner | +|---|---| +| Validate request hint and clamp default/max | `dsh-timeout` (`clampTimeout`) — pure arithmetic plus the shared positive-finite request contract | +| Arm timer, abort on deadline, carry reason, fuse with upstream cancel | `dsh-timeout` (`deadline`) | +| Clear the timer | `dsh-timeout` (`[Symbol.dispose]`) | +| Classify the first abort reason after abort | `dsh-timeout` (`timeoutOf`) | +| **Actually terminate the work** | the capability's implementation | +| The default/max *values* | the capability's config | +| The timeout `code` string | the capability (`WEB_FETCH_TIMEOUT` ≠ `BASH_TIMEOUT`) | + +The signal only *notifies*; termination is always the listener's job, and the listener differs by capability. bash writes its own `addEventListener('abort', kill)` because the OS process lives outside this runtime and nothing else will kill it; web hands `d.signal` to `fetch` and undici tears down the socket. This is why file read/write/edit take **no** `timeoutMs`: a local syscall is best-effort-abortable at most, a timeout could not force `fsync`/`rename` to stop, and adding one would be an implicit default that violates explicit-over-implicit. Both reference agents leave file I/O untimed for the same reason. + +### How each capability consumes it + +- **web_fetch** — the tool stays validate-and-forward; the provider's hand-rolled controller + `setTimeout` + manual listener + `finally` + `signal.reason` recovery is replaced by provider-owned `deadline`/`timeoutOf`. A pre-aborted upstream signal still throws `WEB_ABORTED` up front; otherwise `fetch` runs against the fused `d.signal`, and `translateAbortOrNetwork` classifies a thrown error by the signal (`timeoutOf` → `WEB_FETCH_TIMEOUT`, else aborted → `WEB_ABORTED`, else network → `WEB_PROVIDER_ERROR`). The public error-code contract is unchanged, and `TimeoutReason` never crosses the web seam as the public error. +- **bash** — `resolve()` stays a pure request-to-spec step: it clamps with `clampTimeout(request.timeoutMs, config.timeoutMs, config.maxTimeoutMs, 'bash-local: request.timeoutMs')` and carries `request.signal` through unchanged. Foreground `run()` owns the timeout: `using d = deadline(spec.signal, spec.timeoutMs, 'BASH_TIMEOUT')`, then `runBash` receives only `d.signal`. `runBash` no longer owns any timer — it listens for abort and runs its existing SIGTERM→grace→SIGKILL process-group kill, and its `SpawnSpec`/`SpawnOutcome` no longer carry `timeoutMs`/`timedOut`/`aborted` (the executor classifies from the deadline signal instead). `run()` computes `timedOut = timeoutOf(d.signal, 'BASH_TIMEOUT') !== undefined` and `aborted = d.signal.aborted && !timedOut`, so the public seam booleans (`BashRunResult.timedOut`/`aborted`) are mutually exclusive — the shared deadline reports the cause that first cut the command short, and the `code` scope keeps a nested outer deadline from being misread as bash's own timeout. Background `start()` creates no deadline and forwards only the upstream signal, so background tasks stay timeout-free; a task's killed-vs-completed status reads its own `spec.signal.aborted`. + +## Consequences + +- `runBash`'s outcome no longer independently latches `timedOut` and `aborted`; a timeout and a user abort racing before process close now report a single first-abort cause instead of both being true. The uniform SIGTERM→grace→SIGKILL kill is unchanged, and the seam type `BashRunResult` keeps both booleans (now mutually exclusive), so `dsh-tool-bash`'s result rendering is untouched. +- `SpawnSpec.timeoutMs` and `SpawnOutcome.timedOut`/`aborted` were removed rather than kept as always-zero/always-false vestiges: with `runBash` owning no timer and the executor owning classification, they were read nowhere. This is the one deviation from the literal proposal shape (which passed `timeoutMs: 0` into `runBash`); an always-0 field read by nothing is dead weight under the per-file coverage gate. +- web_fetch shed its bespoke controller/timer/listener/reason-recovery; the classifier now keys off the deadline signal (`timeoutOf` + `aborted`) rather than the thrown error's shape, which is robust across both the request-phase reject-with-reason and the read-phase bare-`AbortError`. +- `AbortSignal.any` and `using`/`Symbol.dispose` enter the repo for the first time here (Node ≥ 24 baseline, already met). + +Out of scope, named to mark the boundary: `web_search` can gain an optional model-facing `timeout_ms` once its tool-schema/snapshot coverage is planned; future ripgrep-backed fs discovery tools can consume the same provider-owned deadline shape once they exist; a `tools/execute` waterfall middleware could arm a default deadline for every tool call by driving `exec.signal` — that would be a plugin that *consumes* this library and still only notifies, the hard kill remaining each capability's job. + +## Alternatives considered + +**A unified timeout *plugin* / `ctx.timeout` service.** Rejected on microkernel grounds. A service that could stop any tool's work would have to understand every capability's termination mechanism (process-group SIGKILL, socket teardown, syscall-boundary checks) — the "kernel knows too much" the architecture forbids. Codex's `ExecExpiration` is scoped to the exec family precisely because the kill it drives (`killpg`) is process-family-specific; MCP and model-stream keep their own. There is no coherent middle layer that owns termination for everything, so the shared piece can only be the pure timing/classification half — a library, not a service. + +**Per-tool ad-hoc timeout, no shared code (the prior status quo, and Claude Code's choice).** Rejected because it was already producing divergence and duplicated correctness burden: web_fetch hand-rolled the exact controller/reason logic that future network/process-backed tools would each have to re-derive, and the fusion + `signal.reason` recovery are the error-prone parts. Claude Code tolerates full duplication; this repo has a single shared abort channel (`exec.signal` on every `execute`) that makes a small shared primitive strictly cleaner, so the cost/benefit differs. + +**A `withTimeout(promise, ms)` wrapper instead of a signal factory.** Rejected because racing a promise against a timer resolves the *tool-call* promise on deadline without stopping the underlying work — the child process or fetch socket leaks on. Handing out a signal and requiring the capability to listen is what forces a real termination path to exist. This mirrors the "dispose must reach quiescence, not just request it" defensive rule. + +**Keep bash's two independent triggers (`killTimer` + `onAbort`) rather than fusing.** Rejected for the convergence goal: fusing into one `deadline` signal removes bash's bespoke timer and gives every capability one shape. The trade-off is that bash's `timedOut`/`aborted` booleans become first-abort classifications rather than independent facts that can both be true when timeout and user abort race before process close. That is acceptable because the result reports the cause that first cut the command short; the termination action stays the same uniform SIGTERM→grace→SIGKILL kill. Note the deliberate non-alignment with Codex: Codex forks its kill by outcome (timeout → immediate SIGKILL; cancel → SIGTERM + 50 ms grace → SIGKILL), whereas the fused signal drives one uniform `kill()` for both, matching Claude Code's unified bash kill. Splitting the kill by `timeoutOf` is possible later if a need appears; there is none now. diff --git a/docs/rfc/implemented/architecture/2026-07-07-tool-call-timeout-policy.md b/docs/rfc/implemented/architecture/2026-07-07-tool-call-timeout-policy.md new file mode 100644 index 0000000000..362f5cb5e8 --- /dev/null +++ b/docs/rfc/implemented/architecture/2026-07-07-tool-call-timeout-policy.md @@ -0,0 +1,110 @@ +# RFC: Tool-call timeout policy as a plugin + +Status: implemented + +## Problem + +The [timeout/deadline RFC](2026-07-06-timeout-deadline-library.md) extracted the timing-and-classification primitive into `@deepseek-ai/dsh-timeout`, but timeout policy was still attached to individual capabilities and model-facing schemas. `bash` exposed `timeoutMs`; `web_fetch` exposed `timeout_ms`; `web_search` had no model-facing timeout even though providers already honor `exec.signal`; a future grep/glob tool would either import the timeout library directly or invent its own timeout policy. That is the wrong authoring shape for a plugin SDK: a tool author should normally forward `exec.signal` to the implementation it calls, and deployment policy should decide the budget. + +At the same time, not every timeout in the repo is a model-facing tool-call budget. Hooks execute command hooks by calling `ctx.bash` directly, not through `ctx.tools.execute()`, and the `bash` model tool multiplexes foreground execution, background start, background polling, and hook reuse through the same backend. Moving every timeout into a tool plugin in one step would conflate those paths and risk breaking hook timeout semantics. + +## Decision + +Tool-call timeout is a policy that applies only to model-facing tool execution, in three parts: + +- `@deepseek-ai/dsh-timeout` remains the shared library that owns `deadline()` and `timeoutOf()`. +- `@deepseek-ai/dsh-tools` has an around-dispatch waterfall, `tools/execute`, between `tools/pre-execute` and `tools/post-execute`. +- `@deepseek-ai/dsh-timeout-policy` reads each tool's declared `timeoutMs` from the registry and wraps a call that has one by deriving a new `exec.signal`. + +The execution pipeline is: + +```text +ctx.tools.execute(exec) + -> tools/pre-execute + -> tools/execute + -> registry dispatch (the base next()) + -> tool.execute(args, exec) + -> thrown tool errors normalize to ToolExecutionResult + -> tools/post-execute +``` + +The default behavior is conservative: a tool that declares no `timeoutMs` receives no `TOOL_TIMEOUT` deadline from the plugin. + +### The `tools/execute` around seam + +`@deepseek-ai/dsh-tools` declares a `tools/execute` waterfall whose base `next()` is the dispatch-with-normalization thunk — the same inner `try`/`catch` that turns a thrown tool (or unknown tool) into an `isError` `ToolExecutionResult`. A listener receives `(exec, next)`: it calls `next()` to delegate to dispatch (returning its result, optionally wrapped) or returns a replacement result to short-circuit dispatch. The whole pipeline still sits inside `execute`'s outer try/catch, so a throwing listener becomes an `isError` result, never a turn failure. + +That the catch is the base `next` — not something outside the waterfall — is load-bearing: when a provider sees the timeout signal and throws its own upstream-abort error, registry dispatch first converts it to a normal error result, and only then can `timeout-policy` replace the final result with `TOOL_TIMEOUT`. + +### The `timeout-policy` plugin + +The plugin is `@deepseek-ai/dsh-timeout-policy`, a zero-config function/namespace plugin (`name` / `inject` / `apply`) in the `packages/timeout/` group. The per-tool budget is DECLARED on the tool, not on this plugin: a `ToolDefinition` carries an optional `timeoutMs`, which the owning tool plugin sets from its own config. `dsh-tool-web`, for example, resolves `fetchTimeoutMs` / `searchTimeoutMs` (default 30000) onto the `web_fetch` / `web_search` definitions: + +```yaml +- id: timeout-policy + name: '@deepseek-ai/dsh-timeout-policy' +- id: tool-web + name: '@deepseek-ai/dsh-tool-web' + config: + fetchTimeoutMs: 30000 + searchTimeoutMs: 30000 +``` + +Keeping the tool name out of this plugin's config is deliberate: a budget keyed by a free-text tool name could be mistyped (`web_fech`) and then silently apply to nothing. Declaring `timeoutMs` on the tool makes that failure class structurally impossible — the enforcer reads `ctx.tools.get(exec.name)?.timeoutMs`, and `exec.name` is the tool being dispatched, so the lookup always resolves and there is no unknown-name path to warn or throw about. `timeoutMs` is validated positive-finite by `defineTool` at definition time. For a tool that declares a budget the listener arms `deadline(exec.signal, timeoutMs, 'TOOL_TIMEOUT')`, swaps the derived signal onto `exec` for the downstream dispatch, restores the caller's own signal afterward, and returns a structured `TOOL_TIMEOUT` result when `timeoutOf(d.signal, 'TOOL_TIMEOUT')` matches. A tool with no declared budget delegates unchanged. + +Signal replacement is by **in-place mutation of `exec.signal`**, not by passing a new object to `next()`. Cordis's waterfall `next()` ignores any arguments handed to it and re-invokes downstream listeners with the shared payload array (`vendor/cordis/src/events.ts`), so the documented cordis idiom — mutate the shared object, then delegate — is the only mechanism that reaches dispatch. The plugin restores `exec.signal` to the caller's original in a `finally` so `tools/post-execute` never sees this plugin's (possibly already-aborted) deadline signal. + +`timeout-policy` owns both uses of the `TOOL_TIMEOUT` code: the internal deadline code passed to `deadline()`/`timeoutOf()` (scoped so a nested outer deadline reads as an ordinary cancel) and the structured tool-result error code. Its replacement result is: + +```ts ignore-check +function toolTimeoutResult(callId: CallId, timeoutMs: number): ToolExecutionResult { + return { + callId, + content: [{ type: 'text', text: `Error: tool call timed out after ${timeoutMs}ms` }], + isError: true, + error: { name: 'ToolTimeoutError', code: 'TOOL_TIMEOUT' }, + } +} +``` + +This is a cooperative deadline. It does not kill arbitrary work by racing the tool promise; the tool or the capability it calls must honor `exec.signal` and reach quiescence. Declaring `timeoutMs` therefore MEANS "this tool is cooperative with `exec.signal`", which the plugin README states as its contract. + +No new session event is needed for reconstructability: `TOOL_TIMEOUT` is the final model-facing `tool/result` for that call, so the existing session log already records the content and structured `{ name, code }` error the next model request sees. + +### Existing tool adaptation + +`web_fetch` and `web_search` are migrated. `dsh-tool-web` keeps ownership of their model-facing schemas, and those schemas expose no timeout knob: `web_fetch` dropped its `timeout_ms` parameter to match the reference-agent shape, and `web_search` stays query-only. The tool bodies do not import `@deepseek-ai/dsh-timeout`; they forward `exec.signal` to `ctx.web`. + +`dsh-web-fetch-local` keeps a provider-level timeout (`timeoutMs`/`maxTimeoutMs`) as a large resource backstop for direct `ctx.web.fetch()` callers and misconfigured deployments; it owns no model-facing timeout. When a `TOOL_TIMEOUT` signal reaches the fetch provider first, provider-scoped classification treats it as upstream `WEB_ABORTED`, and the outer `tools/execute` wrapper replaces the final tool result with `TOOL_TIMEOUT`. A shipped web-tool deployment configures the provider backstop above the `timeout-policy` budget so the tool-call policy normally wins for model calls. + +`bash` stays on the current backend timeout path. `dsh-tool-bash` continues to expose `timeoutMs` and `run_in_background`; `dsh-bash-local` continues to use `@deepseek-ai/dsh-timeout` for `BASH_TIMEOUT`; hook bridges continue to call `runHook()` and pass `timeoutMs` through `ctx.bash`. This keeps foreground/background/hook behavior stable. + +`read`, `write`, `edit`, `todo_write`, `bash_output`, and `bash_kill` do not opt into tool-call timeout: they are local filesystem or short registry/session operations where a deadline would be best-effort only or unnecessary. + +A future model-facing grep/glob tool can be implemented on top of `ctx.bash` without importing `@deepseek-ai/dsh-timeout`: it forwards `exec.signal` to `ctx.bash`, and declares its own `timeoutMs` (from its plugin's config) for the enforcer to apply. If bash-local's backend timeout becomes a problem for such a tool, the bash seam can later add a caller-owned-deadline mode; that is outside this cut. + +## Alternatives considered + +**Name the plugin `tool-timeout`.** The literal RFC name matched the `gen-tool-catalog` completeness guard's `packages/*/tool-*` glob, which requires every match to register a model-facing tool. This plugin registers none — it is a `tools/execute` wrapper — so a `tool-*` name would either fail `verify-tool-catalog` or force a misleading boot entry. The package is `@deepseek-ai/dsh-timeout-policy` in a new `packages/timeout/` group; the cordis.yml `id` can still be `timeout-policy`. + +**Keep per-tool timeout handling only.** This was the shape for `bash` and `web_fetch`, and it matches Claude Code and Codex for shell commands. It loses for web-style tools because every new timeout-capable tool must choose validation, cap semantics, docs, snapshots, and classification. The plugin centralizes policy and classification while leaving each tool's schema focused on business input. + +**Move all timeout policy out of bash-local immediately.** Cleaner long-term — bash-local would become a pure subprocess executor and all callers would own their deadlines. It loses as the first step because hooks call `ctx.bash` directly and the bash model tool has foreground/background semantics that are not the same tool-call lifetime. Keeping `BASH_TIMEOUT` preserves those paths while tool-call timeout proves itself on simpler tools. + +**Use a global default budget for every tool.** Convenient, but it surprises tool authors: any tool that accidentally runs longer than the global budget would start failing once the plugin loads. A per-tool declared budget makes adoption deliberate. + +**Expose a model-facing `timeout_ms` override.** Claude Code's `WebFetch`/`WebSearch` and Codex's web tools keep timeout out of the model-call shape. A model override would make timeout part of prompt semantics and force schema/argument-stripping rules into `timeout-policy`. Web timeout stays deployment policy only. + +**Let `timeout-policy` match tool arguments itself.** A rule engine such as "disable timeout when `bash.run_in_background` is true" would make the policy plugin know tool-specific argument semantics. Avoided by not migrating bash to tool-call timeout. + +**Use `tools/pre-execute` plus `tools/post-execute` instead of a new around seam.** A pre listener could arm a deadline and mutate `exec.signal`; a post listener could classify and replace. That loses because the deadline lifetime would cross two independent waterfalls: a call-id map, cleanup on every pre-deny/tool-throw/post-throw/dispose path, and ordering rules with every other listener. `tools/pre-execute` is also the allow/deny gate, not an execution wrapper. `tools/execute` gives the timeout one lexical scope: arm, delegate, classify, dispose. + +**Use `Promise.race` to enforce timeouts for non-cooperative tools.** Rejected for the same reason as the timeout-library RFC: it returns control to the caller while the underlying process, fetch, or provider operation may still be running. The plugin only sends a signal; termination remains the implementation's responsibility. + +## Consequences + +- `@deepseek-ai/dsh-tools` gains an around-dispatch surface after the interception seams deliberately split pre/post tool hooks. Its contract is narrow — wrap registry dispatch, not replace the pre-gate or post-result policy — and the base `next()` is dispatch-with-normalization so a wrapper never sees a raw tool throw. +- Multiple `tools/execute` listeners compose by ordinary Cordis waterfall order: a listener that calls `next()` wraps downstream listeners plus dispatch; one that returns without `next()` short-circuits them. A deployment combining timeout with a future retry/sandbox/metrics wrapper chooses semantics by registration order ("timeout covers the whole retry" vs "timeout covers each attempt"). +- Opt-in by declaration is a deliberate misconfiguration risk: a tool can declare a `timeoutMs` without honoring `exec.signal`, and that tool will not stop on timeout. The plugin contract states that declaring a budget means cooperative; the web tools prove the pattern on tools that already forward the signal. +- During the transition `bash` and the migrated web tools use different timeout paths on purpose: `TOOL_TIMEOUT` is the model-facing tool-call budget, while `BASH_TIMEOUT` remains the bash backend timeout used by bash and hooks. +- Deviation from the literal proposal, recorded per the implemented-RFC rule: the plugin package is `@deepseek-ai/dsh-timeout-policy` (not `tool-timeout`), signal replacement is in-place `exec.signal` mutation before `next()` (not `next({ ...exec, signal })`, which cordis ignores), and the per-tool budget is declared on the `ToolDefinition` (`timeoutMs`, set by the owning tool plugin from its config) rather than mapped by tool name in this plugin's config — so the enforcer is zero-config and a mistyped tool name is impossible. All three are described in `## Decision` above. diff --git a/docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md b/docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md new file mode 100644 index 0000000000..293b1bbde6 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md @@ -0,0 +1,57 @@ +# RFC: Agent Client Protocol (ACP) support — drive the coding agent from external editors + +Status: implemented + +## Problem + +The harness originally exposed agents only through a readline loop. That surface could carry text, but it gave an editor no structured way to create or resume sessions, correlate prompt completion, stream reasoning and tool activity, render tool-specific UI, ask for permission, or cancel one conversation without disturbing another. ACP defines those interactions as JSON-RPC over stdio, and Zed is the target client used to make concrete compatibility decisions. + +The bridge must preserve the harness's existing ownership boundaries. It cannot depend on the concrete agent loop, bypass the tool registry, execute shell commands in the editor, or invent a second source of session truth. stdout is also the protocol transport, so any accidental log output corrupts the connection. + +## Decision + +`@deepseek-ai/dsh-acp` is a UI/client-driver plugin under `packages/ui/acp`. It uses `@agentclientprotocol/sdk`'s `AgentSideConnection` over stdin/stdout and programs only interface services: the agent create/resume factory, session persistence, tool registry, user interaction, and optional approval/bash capabilities. It does not change the agent loop and is not a capability-seam implementation. + +The bridge implements the following stable session path: + +- `initialize` negotiates the protocol version, advertises text plus `resource_link` prompts, and advertises `loadSession`. +- `session/new` validates an absolute `cwd`, stores it in `SessionHeader`, creates an agent through `ctx.agents`, and returns any composition-backed config options. +- `session/load` validates the requested cwd against persisted metadata before constructing an agent, reserves the id across the asynchronous resume, replays user/assistant/tool events as ACP updates, and reports the resumed config-option fold. +- `session/prompt` accepts text and resource links, rejects unsupported or empty content, allows one in-flight prompt per session, and settles against that prompt's owning `turn/end`. An error turn rejects the RPC; other closed turn reasons map through a total ACP stop-reason codec. +- `session/cancel` calls the queue-aware agent cancel path and settles only the addressed session's prompt. + +Tool-call presentation remains tool-owned. A tool's `presentCall` and `presentResult` return the `generic`, `terminal`, or `diff` render-intent variants; the bridge switches on that union and maps it to ACP. Presenter-less tools receive a generic fallback. Bash terminal cards use Zed's capability-gated `_meta.terminal_info`, `_meta.terminal_output`, and `_meta.terminal_exit` convention; the harness still executes the command through `ctx.bash`, preserving sandbox, environment scrub, ownership, and cwd. Clients without that extension receive ordinary text content. Filesystem tools provide diff cards and file locations without hard-coded tool-name branches in the bridge. + +Permission handling is an answerer on the [user-approval seam](2026-07-06-approval-seam.md), not an ask-every-tool policy in ACP. An `approval/request` for a bridge-owned agent with a call id becomes `session/request_permission` on that agent's editor session, with one-shot allow/reject choices. Foreign or call-less requests delegate; a missing or failed answerer remains fail-closed. The plugin that asks—such as a pre-execute policy or bash escalation—owns the decision to ask. + +The bridge advertises ACP config options instead of session modes. `sandbox-mode` exists only when the mounted bash executor reports sandbox capability, and `approval-policy` exists only when `ctx.approval` is composed. Each option is an independent select whose current value is the session event fold over the composition default. `session/set_config_option` validates against the owning domain vocabulary and writes through `setSandboxMode` or `setApprovalPolicy`. An open-turn switch appends immediately; an idle switch is overlaid in the response and anchored at the next turn start. Until that anchor it is memory-only and a crash reverts to the durable fold. ACP session modes are deliberately not modeled because one mode list cannot represent these orthogonal knobs and config options are the forward protocol surface. Runtime model selection remains outside this decision; `AcpConfig.model` is connection-wide. + +The bridge also provides the ACP-backed `UserInteractionProvider`: `ask_user_question` requests become form elicitations on the owning session. Select, multi-select, option descriptions, and custom-answer override semantics are preserved. + +Lifecycle ownership is explicit. The bridge holds an `AgentHandle` per live session. Disconnect and Cordis disposal cancel pending prompts, dispose every handle in parallel, await loop quiescence and persistence flush, and then remove the records. Stream notification failures are contained so a vanished client cannot corrupt an agent turn. The ACP app composition loads no stdout logger; a test guards stdout as framed JSON-RPC only. + +The precise supported and deferred protocol rows live in [`packages/ui/acp/acp-feature-support.md`](../../../../packages/ui/acp/acp-feature-support.md); the package README is the operational contract. + +## Alternatives considered + +**A prepended `tools/execute` listener that asks on every ACP-owned call** — rejected. It would hard-code permission policy into the UI bridge, ask even when no policy requires it, and could not serve approval requests that arise after execution begins. The shared user-approval seam keeps mechanism, asking policy, and UI answerer separate. + +**Inject the concrete `agentLoop`** — rejected. Agent creation, resume, idle observation, and disposal are interface-level ownership operations on `dsh-agent`; a UI plugin does not need a dependency-rule exception. + +**Execute bash through ACP `terminal/*`** — rejected. That would move execution outside the harness and bypass its sandbox, credential scrub, task ownership, cwd resolution, and session log. Terminal metadata is presentation only. + +**Represent sandbox and approval as ACP session modes** — rejected. They are independent composable settings, while a single current mode is mutually exclusive. ACP config options represent both without a cross-product and match the protocol's forward direction. + +**Hijack stdout defensively** — rejected. Process-wide monkey-patching is outside Cordis effect ownership and races the protocol transport. The app composition owns stdout purity. + +## Consequences + +Editors can create, load, prompt, cancel, render, ask, and reconfigure multiple harness sessions over one ACP connection without a loop-specific dependency. The session event log remains the durable source for replay, prompt settlement, cwd, and per-session configuration. Tool presentation and human-answer channels remain extensible plugin contracts instead of ACP-specific behavior. + +The bridge deliberately does not implement session list/delete/resume/close capabilities, MCP passthrough, additional directories, image/audio/embedded-resource prompts, runtime model selection, plans, slash commands, usage updates, editor filesystem delegation, or the ACP terminal execution sub-protocol. The feature checklist records these as unsupported rather than silently accepting them. + +An idle config selection is truthful in the live response but not durable until the next turn anchors it. Crashing before that boundary loses the pending selection; this is the cost of keeping session events turn-enclosed and replay-safe. + +## Verification + +The ACP suites cover the in-memory protocol codec, create/load replay, exact prompt settlement, cancellation races, unsupported content, tool presentation, terminal capability fallback, permission outcome mapping, config-option validation and persistence, multi-session isolation, disconnect/disposal quiescence, and HMR cleanup. Snapshot and built-bin tests exercise the app composition, while the real-API e2e self-skips without a key. diff --git a/docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md b/docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md new file mode 100644 index 0000000000..77fa2b4669 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md @@ -0,0 +1,37 @@ +# RFC: Multiplex concurrent ACP sessions over one connection + +Status: implemented + +## Problem + +An ACP editor can keep several conversations alive over one agent subprocess. A single-active-session bridge would force extra processes and would not match Zed's client model, which tracks multiple session ids and concurrent loads. Multiplexing introduces isolation risks: events, prompt completion, cancellation, permission prompts, config selections, and predictable background-task ids must never cross session boundaries. + +## Decision + +The ACP bridge stores live sessions in `Map<SessionId, SessionRecord>` and keeps a `WeakMap<Agent, SessionId>` reverse index for agent-scoped callbacks. A record owns its agent handle, in-flight prompt, live tool-call presentation state, pending idle config switches, session cwd, and client capability snapshot. A separate loading-id set reserves each id before asynchronous resume so two pipelined loads cannot construct duplicate agents; distinct ids may load concurrently. + +Every `session/event` and `agent/status` callback resolves the owning record before sending or settling anything. Each session permits one in-flight prompt independently. The prompt records a log watermark, captures its own `turn/start`, and settles only on the matching `turn/end`; a late end from a cancelled prior turn cannot resolve a newer prompt. `session/cancel` addresses one record and calls only that agent's queue-aware cancel path. + +Permission ownership uses the same reverse index. The ACP `approval/request` answerer prompts only the editor session that owns the requesting agent and delegates foreign requests. User-interaction elicitations likewise route by agent ownership. Per-session sandbox and approval config values fold only that session's events, with pending idle switches stored on that record until the next turn anchors them. + +Background bash tasks carry an opaque owner token equal to the owning session id. `bash_output` and `bash_kill` compare the caller's token with the executor's task ownership before reading or killing; a predictable task id alone grants no access. Ownership is stored with the executor task, so a tool plugin reload does not erase it. + +Connection teardown clears the live map, settles each pending prompt as cancelled, and disposes all `AgentHandle`s in parallel. Each handle stops and awaits its loop, flushes the session while attached, unregisters the agent, and removes the session. Teardown is memoized and shared by client disconnect and plugin disposal. + +## Alternatives considered + +**One live session per connection** — rejected. It adds process overhead and contradicts the target client's multi-session shape without removing multiplexing needs from the editor. + +**A per-session `ctx.extend()`** — rejected. A child context does not by itself create a child plugin fiber, so listeners would still belong to the bridge fiber. The implemented bridge instead uses global listeners with explicit O(1) demultiplexing and per-session owned records; agent lifecycle is owned by `AgentHandle`. + +**Agent object identity as bash-task ownership** — rejected. A resumed or replaced agent object may legitimately represent the same durable session. The opaque session token is the cross-boundary identity that should survive plugin reloads. + +## Consequences + +N sessions can stream, prompt, request permission, switch config, and run background tasks concurrently without interleaving or cross-settling. A cancel or dispose in one session does not affect its neighbors. The bridge pays for explicit maps and isolation tests, but it does not add one listener set per session and therefore avoids listener fan-out during long-lived connections. + +The bridge still exposes no protocol method to close one live session independently. Today records leave together on connection teardown; session close/resume lifecycle capabilities remain deferred in the ACP feature checklist. + +## Verification + +The multi-session suite drives concurrent sessions through interleaved updates, independent in-flight prompts, targeted cancellation, same-id and distinct-id load races, permission routing, config isolation, and teardown. Tool-bash tests prove one session cannot read or kill another session's background task. diff --git a/docs/rfc/implemented/feature/2026-06-15-code-mode.md b/docs/rfc/implemented/feature/2026-06-15-code-mode.md new file mode 100644 index 0000000000..4cc373c65c --- /dev/null +++ b/docs/rfc/implemented/feature/2026-06-15-code-mode.md @@ -0,0 +1,137 @@ +# RFC: Code Mode — the model writes TypeScript against the tool registry + +Status: implemented + +## Problem + +Today the agent loop advertises every registered tool to the model as a native JSON-schema function definition. `ToolRegistry` contributes its schemas to the system-prompt assembly, the assembly's `tools` land on the wire (and in the logged request header), the model invokes one `tool-call` block per step, and the loop dispatches each call through `ctx.tools.execute()` **sequentially** (parallel tool execution is an explicit open TODO in `dsh-tools` and [docs/architecture.md](../../../architecture.md)), with **every** intermediate `tool-result` re-entering the model's context on the next request. + +For multi-step tool work this is token-heavy and serial. The model cannot compose tools — loop over a result set, branch on an intermediate value, fan out, post-process — without a full model round-trip per call, and each round-trip drags the entire intermediate result back into context whether the model needs it or not. + +Cloudflare's [Code Mode](https://blog.cloudflare.com/code-mode/) proposes an alternative grounded in a simple observation: LLMs are better at writing code than at emitting tool calls, because they have seen millions of lines of real code and comparatively few contrived tool-calling traces. Instead of one tool call per step, the model writes a TypeScript program against a generated API over the tools, the program executes in a sandboxed runtime, and the model curates what comes back — only what it prints or returns — instead of every intermediate result. + +An earlier draft of this RFC designed Code Mode as an add-on consumer plugin with zero core changes, deferring the execution substrate to a follow-up. Both constraints are dropped here, deliberately. First, the harness is pre-release and optimizes for the correct foundation over blast radius: tool presentation is the registry's own concern, and bolting a second presentation onto it from outside means transforming the registry's contribution after the fact — a waterfall listener whose correctness depends on listener ordering, which fights the [reconstructable-requests](../../implemented/architecture/2026-07-05-reconstructable-requests.md) design instead of riding it (that refactor removed request mutation from `agent/request`, the seam the old draft relied on). Second, the substrate question is answerable now: a Node `worker_threads` runtime gives real containment — separate isolate, empty environment, heap caps, and a `terminate()` that reliably stops a hot synchronous loop — where the old draft's `node:vm` stub had none of those, and it fits the harness's existing trust model (§Trust posture) without a hardening follow-up. + +## Decision + +Three decisions, each elaborated in its own section below: + +1. **Code Mode is a first-class presentation mode of `ToolRegistry`** (`dsh-tools`), selected by a validated `mode` config: `'native'` (today's behavior, the default), `'code'` (the wire carries exactly one tool, `run_code`, plus a generated SDK `.d.ts` in the system prompt), or `'both'` (native schemas *and* `run_code` + SDK). The registry's existing tool-schema provider contributes whatever the mode dictates, so the wire tool list is shaped at its source — no interception, no listener-ordering caveats — and the logged request header records it for free. +2. **Code execution is a capability seam** — a new group `packages/code-runtime/` with the interface package `@deepseek-ai/dsh-code-runtime` owning `ctx.codeRuntime` ([capability seams](../../implemented/architecture/2026-06-13-capability-seams.md); consumer = `dsh-tools`, with core-consumes-a-seam precedent in `agent-loop` → `dsh-llm`). The runtime knows nothing about tools: it is handed a program and named async bindings, runs the program, and reports `{ value, logs, error? }`. Language and substrate are backend properties, so a future Python or container backend is a new implementation package, not a redesign. +3. **The shipped implementation is `@deepseek-ai/dsh-code-runtime-worker`**: one fresh Node worker thread per run, executing the model's TypeScript after type-strip, with bindings bridged over the message port, an empty environment, configurable heap/output/time caps, and hard termination. Its trust posture is bash-equivalent by design — no unsafe-acknowledgement flags — because the harness already ships `dsh-bash-local`, which executes arbitrary model-written shell commands with strictly *more* ambient authority. + +### The registry owns the mode + +`ToolRegistry` gains a schemastery-validated config (`static Config`), its first: `mode: 'native' | 'code' | 'both'`, default `'native'`. A deployment flips it from `cordis.yml` (`tools: { mode: code }`) — no code edit, per the no-hardcoded-tunables convention. + +**Wire tool list = the registry's contribution.** The registry already feeds the assembly through `ctx.systemPrompt.tools(() => this.schemas())`; the provider becomes mode-aware: `'native'` contributes all schemas (unchanged), `'code'` contributes only `run_code`'s schema, `'both'` contributes all schemas plus `run_code`. Because [`PromptAssembly.tools` is the single source the loop's request header snapshots](../../../../packages/core/system-prompt/src/index.ts), the collapse is automatically logged and reconstructable — model-visible ⟺ logged holds with zero new mechanism. Scope of the guarantee, stated honestly: the mode governs the **registry's** contribution, and the registry is the only shipped schema source — but `systemPrompt.tools()` is a public multi-provider API and the `system-prompt/assemble` waterfall may transform the assembly, so a deployment that wires a second direct provider (or a mutating listener) owns what it adds, exactly as in native mode. Those are deliberate acts; what the design eliminates is the *accidental* leak the old draft worried about — a listener-ordering race around an after-the-fact collapse — and the shipped-configuration invariant (`'code'` ⇒ assembled tools exactly `[run_code]`) is pinned by tests and, like every request, by the logged header. + +**Interaction with `toolOrder`, stated up front:** a configured `systemPrompt.toolOrder` naming native tools rejects every assembly under `mode: 'code'` (those names are no longer contributed), by the existing fail-loud rule for unlisted names. This is correct behavior, not a bug: a deployment switching modes updates its order config or drops it. + +**The SDK prompt section.** Under `'code'` and `'both'` the registry registers one lazy prompt section (`tools:sdk`, in the 100–199 tool-guidance order band) whose thunk regenerates, at each assembly, a TypeScript declaration of every registered tool except `run_code` itself, plus fixed usage instructions. The thunk reads the live store and emits tools in lexicographic name order, so its output is deterministic and stable across steps — an unchanged tool set produces byte-identical text (prefix-cache-friendly; a mid-session registration surfaces as one logged header delta, exactly like a native-mode tool change). + +**Codegen.** A pure `jsonSchemaToTs(schema)` module inside `dsh-tools` (sibling of `json-schema.ts` — `schemas()` and the SDK are two projections of the same store) maps the JSON-Schema subset the `defineTool` DSL emits (object/string/number/boolean/array, `properties`, `required`, string `enum` → literal union, nested objects, array `items`, `description` → JSDoc) to a TS type literal. It is **total**: any construct outside that subset (`$ref`, `oneOf`/`anyOf`, `integer`, future MCP shapes, …) degrades to `unknown` without throwing. Because `ToolSchema.name` is an arbitrary string, the SDK is declared as one object constant — `declare const tools: { "some-mcp-tool"(args: …): Promise<string>; bash(args: …): Promise<string>; … }` — quoted keys make every name reachable with no sanitization or alias-collision logic. Typing is advisory (the runtime executes type-stripped JS); the instructions say so. + +### The run_code tool and the dispatch bridge + +Under `'code'` and `'both'` the registry registers `run_code` in itself as an ordinary tool — one required parameter `{ code: string }` — so the unchanged loop dispatches it through the normal pipeline and `tools/pre-execute` / `tools/post-execute` gate it like any other call (a permission plugin can inspect the program text before it runs). Its `execute(args, exec)`: + +1. **Builds the bindings**: the bridge owns a **run-scoped `AbortController`** whose signal follows `exec.signal` (an outer cancel propagates in) and which the bridge itself fires the moment the run settles for any reason — completion, program exception, `computeMs`/`maxWallMs` expiry, worker exit. For every registered tool except `run_code`, the binding is an async function that (a) checks the run signal before and after (throwing stops the program — necessary because `ctx.tools.execute()` converts errors to `isError` data), (b) **JSON-normalizes the argument** — a `JSON.parse(JSON.stringify(args))` round-trip, rejecting that one call with a descriptive `Error` when the value does not survive (`BigInt`, circular structures) — because the seam's structured-clone boundary is wider than JSON while the session log accepts only JSON: normalizing BEFORE dispatch makes the dispatched form and the logged form the same JSON value by construction, so an executed sub-call can never fail at logging time, (c) awaits its turn on the **per-run serialization queue** (below), (d) calls `this.execute({ callId, name, arguments, agent: exec.agent, signal: runSignal })` with a deterministic sub-id `` CallId(`${exec.callId}:code:${n}`) `` — the run signal, not the bare outer one, so a budget expiry aborts an in-flight sub-tool (`bash-local` kills on its spec signal) instead of orphaning it, (e) appends a `tool/code-dispatch` session event, and (f) maps the result: success → the text-block contents joined as a `string` (non-text blocks become placeholders, an MVP limitation), `isError` → **the binding rejects** with an `Error` carrying the result text. Rejection is the deliberate model-facing contract — real code signals failure by throwing, `try/catch` and `Promise.all` short-circuiting behave as every model has seen them behave — where the old draft's `{ output, isError }` envelope made error handling a bespoke convention. +2. **Runs the program**: `ctx.codeRuntime.run({ program: args.code, bindings: [{ global: 'tools', functions }], signal: exec.signal })`. +3. **Surfaces the outcome — after reaching quiescence.** When `ctx.codeRuntime.run()` resolves, the bridge fires the run-scoped abort (cancelling any in-flight sub-dispatch and abandoning queued-unstarted ones), then **awaits the dispatch queue's drain before returning**, per the dispose-to-quiescence rule in [defensive patterns](../../../defensive-patterns.md): an aborted in-flight sub-call still settles and logs its `isError` `tool/code-dispatch` event *inside* the open turn, and nothing can append after `run_code` returns. A successful run then returns one text block — the captured console/stdout output followed by the rendered return value (if any) — plus a `meta` payload (capped logs, dispatch count) for presentation. A run with `result.error` throws a `CodeRunFailedError extends HarnessError` (`code: 'CODE_RUN_FAILED'`, message = the error kind and text plus captured logs so the model can self-correct); the registry's existing catch turns it into a structured `isError` result. + +**Sub-call `additionalContext` is suppressed, deliberately.** A `tools/post-execute` hook may attach `additionalContext` to a call; for loop-dispatched calls the loop buffers those and appends each as a `context/message` only after the step's `tool/result`s, preserving call/result adjacency. A sub-dispatch result's `additionalContext` has no such safe outlet from inside a running `run_code`: injecting immediately would land a `context/message` between the parent's `tool/call` and its `tool/result` (breaking the adjacency the buffering exists to protect), and `PostToolDecision.additionalContext` is singular where a program may produce many. The MVP therefore drops sub-call `additionalContext`, pinned by a test and stated in the hooks bridge's docs; the follow-up (a plural context channel or loop-level sub-dispatch buffering) is deferred until a real hook needs it through Code Mode. + +**Concurrency: serialized, enforced by the binding.** The bindings are async, so a model writing `Promise.all([tools.a(…), tools.b(…)])` starts both immediately — concurrent dispatch would be the *default*, while the tool contract still carries no concurrency-safety metadata (the open parallel-execution TODO). Each `run_code` invocation therefore owns a dispatch queue and every binding call chains onto it, so even `Promise.all` executes the underlying `ctx.tools.execute()` calls one at a time in submission order; when the run settles, queued-but-unstarted dispatches are abandoned. Lifting this per-tool once tools can declare themselves concurrency-safe is deferred work, same as before. + +**Presentation.** `run_code`'s render intent is decided here per the [render-intent RFC](../../implemented/architecture/2026-07-02-tool-render-intent-union.md): `presentCall` → a `generic` card, `kind: 'execute'`, title `Run code`, `rawInput` = the program text; `presentResult` → a `generic` card whose content is the captured output (from `meta`). Not a `terminal` card: that card's semantics are "a shell command in a working directory", which a program is not. + +### Observability: `tool/code-dispatch` + +Each sub-dispatch appends one session event, declared by `dsh-tools` via `SessionEventMap` declaration merging (the map is merge-extensible for exactly this; `todo/write` is the log-only precedent): `tool/code-dispatch` with `{ parentCallId, subCallId, name, arguments, isError, resultSummary }` — `arguments` being the bridge's JSON-normalized value, the very one dispatched, so the append cannot fail on payload shape. It is log-only — `deriveEventMessage()` ignores unknown event types by design, so sub-calls never re-enter model context — but persistence and UIs get every call. As a log event it carries JSDoc prose but **no `@mode` tag** (that vocabulary belongs to cordis bus events; the persistence-catalog generator hard-errors on one) and lands in the regenerated `docs/persistence-catalog.md`; appends happen inside `run_code`'s execution, so the turn-enclosure invariant is satisfied by construction. A `run_code` execution arriving without `exec.agent` (the loop always supplies it; direct programmatic calls may not) still runs and simply skips event logging, exactly as the `ToolExecution` contract allows. + +### The code-runtime seam + +`packages/code-runtime/code-runtime/` — `@deepseek-ai/dsh-code-runtime`, depending only on `cordis`. An abstract `CodeRuntime extends Service` (`super(ctx, 'codeRuntime')`) plus the vocabulary: + +- `CodeRunRequest = { program: string; bindings: CodeBindingNamespace[]; signal?: AbortSignal }` +- `CodeBindingNamespace = { global: string; functions: Record<string, (args: unknown) => Promise<unknown>> }` — the runtime exposes each namespace as a global object of async functions inside the program; binding arguments and resolutions must be structured-cloneable (a runtime may cross a serialization boundary; ours does). +- `CodeRunResult = { value?: unknown; logs: CodeLogEntry[]; error?: CodeRunFailure }` — an error is a field on a resolved result, never a rejection of `run()`. +- `CodeLogEntry = { source: 'console' | 'stdout' | 'stderr'; level?: 'log' | 'info' | 'warn' | 'error' | 'debug'; text: string }` +- `CodeRunFailure = { kind: 'exception' | 'timeout' | 'abort' | 'worker-exit'; message: string }` — orthogonal outcomes reported independently per [defensive patterns](../../../defensive-patterns.md); a timed-out run is not an exception, an abort is not a timeout. +- Two readonly backend descriptors, informational not gating: `language` (what the program must be written in — `'typescript'` for the shipped backend; a Python backend would say so, and pair with its own SDK generator on the presentation side) and `isolation` (`'worker-thread'` for the shipped backend; `'process'`, `'container'`, … for future ones). `dsh-tools` requires `language === 'typescript'` in the MVP — its codegen emits TS — and fails the assembly loudly otherwise, the same misconfiguration idiom as `toolOrder` violations (as when `mode` is non-native with no `ctx.codeRuntime` loaded at all). + +Per explicit-over-implicit at seams, the request spells out everything the runtime acts on; defaulting (timeouts, caps) is the implementation's validated config, never a hidden `??` inside `run()`. Consumption uses the loop's established optional-backend idiom: cordis has no optional injection — every `inject` entry gates activation — so a static `inject` on the registry would hold `ctx.tools` (and every tool plugin behind it) hostage to a code runtime existing even under `mode: 'native'`; instead the registry reads `ctx.get('codeRuntime')` at use time, exactly as `agent-loop` consumes `sessionPersistence`, with absence failing loud in the provider thunk as above. The seam split is justified by real planned divergence on both axes — substrate (worker now; container/microVM later) and language (the Python/AssemblyScript direction sketched in the earlier draft survives as future work) — not by speculation: `dsh-tools` consumes the interface today and tests against a trivial in-repo fake, exactly the interface/implementation/consumer shape of the bash template. + +### The worker-thread runtime + +`@deepseek-ai/dsh-code-runtime-worker`, the second package of the `packages/code-runtime/` group. Per `run()`: + +1. **Type-strip host-side** with Node's built-in `stripTypeScriptTypes` (`node:module`; present across the repo's whole engines range, `^22.19.0 || >=24.0.0`, and position-preserving, so runtime error line numbers match the model's source). Strip-only mode rejects non-erasable syntax (`enum`, namespaces) — that rejection returns as `error.kind: 'exception'` with Node's message, the SDK instructions say "erasable TypeScript only", and the model self-corrects like any other program error. A syntax-level failure never spawns a worker. +2. **Spawn one fresh `Worker` per run** from the package's own bootstrap module: `env: {}` (truly empty — stronger than the scrubbed-env rule for spawned commands), `resourceLimits` from config, `stdout`/`stderr` captured into `logs` rather than inherited. No pooling and no cross-run state: a program's world dies with its worker, which keeps runs reconstructable from the log alone and makes state bleed unrepresentable. +3. **Execute** in the bootstrap: the stripped program becomes the body of an `AsyncFunction` whose parameters are the binding globals and a capturing `console` shim, so top-level `await` and `return` work and the program's completion value is the run's `value` (structured-cloneable values cross as-is; anything else is replaced by its `util.inspect` rendering, documented). +4. **Bridge bindings over the message port**: each binding function in the worker posts `{ id, global, name, args }` and awaits the reply; the host validates the name against the request's bindings, invokes, and replies `{ id, ok, value }` or `{ id, ok: false, message }` (a host-side binding rejection becomes a program-side rejection). The worker-side namespace objects are built null-prototype via `defineProperty`, so a binding named `__proto__`, `constructor`, or `toString` is an ordinary own property, not a prototype collision. Unknown names, duplicate ids, and post-settlement messages are rejected or ignored — the port protocol assumes a hostile peer, because the peer runs model code. +5. **Enforce caps — two independent budgets, because the peer is hostile.** The compute budget (`computeMs`) meters the worker's *measured busy time* via `worker.performance.eventLoopUtilization()` polling — not host-side "is an RPC pending" bookkeeping, which a program defeats by firing an un-awaited call at a slow tool and then spinning hot while the host thinks it is waiting. Measured busy time cannot be gamed: a hot loop accrues it whether or not a dispatch is in flight, and a program genuinely awaiting a slow tool accrues none, so a long-running `bash` sub-call still does not kill an innocent run. The wall ceiling (`maxWallMs`) never pauses for anything and backstops what busy-time cannot see (a program awaiting a promise nobody will resolve). Budget expiry, `signal` abort, and run completion all funnel into `worker.terminate()`, which ends hot synchronous loops too (measured; this was `node:vm`'s unfixable gap); the failure reports which budget fired. Heap overflow surfaces as the worker's OOM exit → `error.kind: 'worker-exit'`. Log and value sizes are capped by config, truncation marked in-band. All caps are validated config fields with defaults (`computeMs: 60_000`, `maxWallMs: 600_000`, `maxLogBytes: 65_536`, `maxValueBytes: 32_768`, `maxOldGenerationSizeMb: 512`), changeable from `cordis.yml`. +6. **Dispose to quiescence**: the service's own disposal terminates in-flight workers and *awaits* their exits before resolving, per [defensive patterns](../../../defensive-patterns.md). + +### Trust posture + +The worker runtime is **containment, not a security boundary**, and the RFC says so without ceremony. Model code in the worker can reach Node globals — `fetch`, `process` (with an empty env), dynamic `import()` of built-ins — so a deliberately adversarial program has ambient authority comparable to what the harness's own `bash` tool already grants every model turn: `dsh-bash-local` runs arbitrary model-written commands with the host filesystem, network, and a scrubbed-but-populated environment. One asymmetry runs the other way and is stated plainly: `worker.terminate()` ends the thread, not OS processes a program may have spawned via `node:child_process` — weaker than `bash-local`'s process-group kill for direct children (equivalent for double-forked daemons, which survive both); the wall-clock ceiling bounds the worker itself, and orphan cleanup is the same deployment-level concern it already is for bash. Code Mode is gated where bash is gated — `tools/pre-execute`, where permission/sandbox plugins veto or approve the program before it runs — and adds containment bash does not have: empty env, heap caps, hard termination of the program itself, a separate isolate. The earlier draft's two-flag unsafe ceremony (`{ unsafe: true }` constructor + `allowUnsafeRuntime`) existed for a `node:vm` stub with *no* containment and is dropped with it; demanding scarier flags for the better-contained executor than for bash would be posture theater. A deployment that needs a hard boundary (untrusted multi-tenant input) needs it for bash too; that is a future `isolation: 'container'` backend, and the `isolation` descriptor exists so such a deployment can tell backends apart. + +### What the model sees + +The `tools:sdk` section carries the `.d.ts` plus fixed instructions: the program is the body of an async TypeScript function (erasable syntax only — no `enum`/namespaces; type annotations are advisory); call tools as `await tools.name(args)` (quoted access for exotic names); a failed tool call **rejects** with an `Error` carrying the tool's error text — catch it to handle and continue; calls run **sequentially** even under `Promise.all`; emit results via `return` and/or `console.log`, and only that curated output returns to the context — intermediate tool results never do. That last line is the payoff the whole design serves: output-side context cost becomes the model's own editorial decision. On the input side the `.d.ts` is not free — for a large tool surface it can rival the native JSON schemas it replaces (and `'both'` pays for the two side by side) — but it is prefix-stable, so provider prefix caching amortizes it; the win is workload-dependent and the RFC claims no more. + +## Consequences + +The design shipped as four stacked changes — this RFC, the `dsh-code-runtime` interface package, the `dsh-code-runtime-worker` backend, and the `dsh-tools` integration — each gates-green with docs in the same change; review fixes landed on the change that introduced them and merged down. + +What exists now: + +- **The seam**: `packages/code-runtime/` — `@deepseek-ai/dsh-code-runtime` (abstract `CodeRuntime`, the vocabulary above, `ctx.codeRuntime`) and `@deepseek-ai/dsh-code-runtime-worker` (the worker-thread backend, every cap a validated config field). Rows in the service map, capability-seams graph, config catalog, and cordis catalog. +- **The registry surface**: `ToolRegistry`'s first config (`mode`), the mode-aware wire contribution, the `tools:sdk` section, `jsonSchemaToTs`/`renderToolsSdk` (exported), `run_code` + the dispatch bridge + `CodeRunFailedError`, and the `tool/code-dispatch` log event (declaration-merged into `SessionEventMap`, regenerated into the persistence catalog; `run_code` in the tool catalog). +- **The composed surface**: the `tools` config forwards through `agent-core` and both app packages (`stdio-agent`, `acp-agent`); `demo:code-mode` boots each UI example's `code-mode.cordis.yml` overlay (the worker runtime + `mode: 'code'` over the base tree); the adding-a-tool cookbook states that a registered tool is reachable from programs for free, and the tool-pipeline doc shows sub-dispatches re-entering both waterfalls. +- **Interactions inherited by deployments**: a `toolOrder` naming native tools rejects every assembly under `'code'` (update or drop the order config when switching modes); sub-call `additionalContext` is dropped by the bridge (a plural context channel is deferred until a real hook needs it through Code Mode); sub-dispatch stays serialized until tools can declare concurrency safety — the same metadata the native parallel-dispatch TODO waits on. + +## Testing + +What the suites pin, per tier: + +- **Unit — worker runtime** (real workers, no mocks): output/value capture and log-source attribution; error kinds (exception incl. non-erasable syntax, abort, worker-exit under OOM); the two budgets from both sides (a hot loop behind an un-awaited pending dispatch dies at `computeMs` busy time; a program idling on a slow binding outlives `computeMs` and dies only at `maxWallMs`); binding-bridge hostility (junk/forged port traffic incl. non-object messages and forged `log`/`done` cap bypass attempts, unknown names, duplicate ids, post-settlement replies, `__proto__`/`constructor`/`toString` binding names); structured-clone fallback and cap truncation; `env` emptiness verified from inside a program; dispose-awaits-exit. A real-load-path e2e runs the BUILT package under plain `node` so the worker entry resolves both unbuilt (tsx) and built — the published-artifact guard from [docs/testing.md](../../../testing.md). +- **Unit — registry integration**: the codegen table (DSL subset, quoted names, `unknown` degradation, byte-identical determinism); provider contribution per mode (`'native'` unchanged, `'code'` exactly `[run_code]`, `'both'` all + `run_code`); `toolOrder × mode` rejection; missing-runtime / wrong-language loud failures; serialization non-overlap (a probe tool records enter/exit under `Promise.all`); abort aborting the in-flight sub-dispatch and abandoning queued ones; binding rejection on `isError` and on JSON-unrepresentable arguments; `CodeRunFailedError` → structured `isError` carrying kind + logs; `tool/code-dispatch` payloads (JSON-normalized arguments identical to what dispatched); `deriveMessages()` ignoring the event; sub-call `additionalContext` suppression; HMR safety (disposing the registry removes the tool and the section). +- **e2e (with-key, self-skips)**: a real model under `mode: 'code'` composes two bash calls in one program (`examples/coding-agent/tests/code-mode.e2e.ts`) — every logged `request/header` carries exactly `[run_code]`, the dispatch events land under the parent call, the file the program wrote exists, and the final answer is the curated output. +- **Snapshot (keyless replay)**: goldens for a `run_code` turn under `'code'` and `'both'` (`code-mode-turn`, `both-mode-turn`), each its own header-pinning class — the SDK section text, the collapsed header tool list, the dispatch events, and the result card are committed and replayed. + +## Alternatives considered + +**An add-on consumer plugin, zero core changes (the previous draft of this RFC).** Rejected on both halves. The wire-collapse half aged out from under it: it targeted the `agent/request` waterfall, which [reconstructable requests](../../implemented/architecture/2026-07-05-reconstructable-requests.md) has since re-typed to call-config-only, and the surviving alternative — transforming the assembly a waterfall listener receives — is strictly worse than contributing the right list in the first place (transformation must undo `toolOrder` canonicalization it cannot see the config for, and its correctness depends on where it sits in a listener chain). The deeper reason is ownership: which tools the model is offered, in which representation, is the registry's single concern — `schemas()` for function calling and the SDK for Code Mode are two projections of one store, and splitting the second projection into a satellite package would preserve a boundary the domain does not have. + +**`node:vm` as the reference runtime, hardening deferred (also the previous draft).** Rejected: `node:vm` is not isolation (prototype-chain escapes reach the host realm), cannot interrupt a hot loop, and forced the draft into a two-flag unsafe ceremony plus a mandatory follow-up RFC. The worker thread delivers the missing properties now — separate isolate, empty env, `resourceLimits`, reliable `terminate()` (all verified by probe before this revision) — at bash-equivalent trust, so the reference implementation and the production one are the same package and the ceremony dissolves. + +**Result elision / summarization over native tool-calling.** Addresses only the context-bloat half of the problem: trimming old `tool-result`s (now cheap to add as a logged surface replace, per the reconstructable-requests consequences) still pays one model round-trip per call and cannot express loops, branches, or joins. Complementary, not competing; it can layer under Code Mode for residual native calls. + +**Parallel native dispatch in the loop.** The other answer to round-trip cost; still valid future work (the open TODO), still blocked on concurrency-safety metadata, and still no composition — it parallelizes calls the model already decided on in one step. Code Mode's serialized-queue decision keeps the two compatible: when the metadata lands, both native parallel dispatch and per-tool binding parallelism unlock together. + +**Always-exclusive (Cloudflare-faithful, no mode).** Rejected for this SDK's primary consumer: a coding agent's bread-and-butter single calls (`bash`, `read`, `edit`) are already ideal as native calls, and forcing every edit through a program taxes the common case. The mode config keeps the faithful form (`'code'`) one line away without imposing it. + +**Per-tool visibility tiers (this tool native, that tool code-only).** Deferred again, knowingly: it needs per-tool metadata and a presentation split that `'native' | 'code' | 'both'` does not, and every learning it depends on (how models actually split usage under `'both'`) arrives only after this ships. + +**Sanitized identifier aliases in the SDK** (`my-tool` → `my_tool`, Cloudflare's approach). Rejected: quoted keys on a `declare const` make every name reachable with zero alias-collision logic; models handle `tools["my-tool"](…)` fine. + +**A REPL-style persistent kernel** (state survives across `run_code` calls). Rejected for the MVP: cross-call state would be invisible to the session log, breaking the reconstructability guarantee that every request is a pure function of the log; fresh-per-run keeps it. A kernel-style backend remains expressible behind the seam later, with its own logging story. + +## Risks + +**The worker is not a hard security boundary.** Deliberate and documented (§Trust posture): posture equals the existing bash tool, containment exceeds it, gating uses the same seams. Deployments needing more need a future `isolation: 'container'` backend — tracked as the seam's designed extension, not a TODO on this design. + +**`stripTypeScriptTypes` is marked experimental.** It is the same engine (amaro/swc) behind Node's own native `.ts` execution, exposed as an API across this repo's whole engines range. Mitigations: the runtime's unit suite pins the behaviors relied on (position preservation, erasable-only rejection message shape loosely), the call sits behind one private function, and `amaro`/`sucrase` are drop-in replacements if the API shifts. The erasable-only subset is a model-facing contract line, and the error path is a working feedback loop, not a dead end. + +**Prompt cost of the SDK, especially under `'both'`.** The `.d.ts` can rival the native schemas it complements; `'both'` carries two representations. Prefix stability + provider caching amortize per-session cost; the mode is per-deployment; the RFC makes no unconditional-savings claim. Measured guidance (when to prefer which mode) is explicitly post-ship learning. + +**Registry scope growth.** `dsh-tools` absorbs codegen, a tool, a bridge, and an event. Contained by module boundaries inside the package (`ts-types.ts`, `code-mode.ts` beside `schema.ts`/`json-schema.ts`/`presentation.ts`) and by the seam: everything substrate-shaped lives behind `ctx.codeRuntime`. + +**Structured-clone limits at the binding boundary.** The seam's clone boundary admits values JSON does not (`Date`, `Map`, `BigInt`), and the session log accepts only JSON — left unhandled, a sub-call could execute and then fail at `tool/code-dispatch` append time. Closed by the bridge's JSON-normalization step (§ the dispatch bridge): what does not survive the round-trip rejects that binding call before dispatch, so every executed sub-call is loggable by construction. The seam itself keeps the wider structured-clone contract (it is about the port, and stated so a future binding producer cannot discover it in production); consumers with stricter payload needs enforce them at their own boundary, as the bridge does. Non-text sub-result content is reduced to placeholders — a known MVP limitation, recorded in the SDK instructions. + +**Serialized-only sub-dispatch.** `Promise.all` gains no wall-clock parallelism yet, only fewer round-trips; models may over-expect. The instructions state it; lifting it is tied to the same concurrency-safety metadata the native parallel-dispatch TODO needs. + +**Budget metering reads the event loop, not a flag.** Busy-time polling (`eventLoopUtilization()`) is coarser than an exact CPU meter — a budget expires up to one poll interval late — and its correctness claim ("a pending dispatch cannot pause it") is load-bearing against a hostile program. Both sides are unit-tested (hot loop with a pending decoy dispatch dies at `computeMs`; idle-on-slow-binding survives to `maxWallMs`), and the poll interval is an internal constant, not config — nothing a deployment could mis-tune into a bypass. diff --git a/docs/rfc/implemented/feature/2026-06-17-filesystem-tool-schemas.md b/docs/rfc/implemented/feature/2026-06-17-filesystem-tool-schemas.md index 217c60cf63..adad17472d 100644 --- a/docs/rfc/implemented/feature/2026-06-17-filesystem-tool-schemas.md +++ b/docs/rfc/implemented/feature/2026-06-17-filesystem-tool-schemas.md @@ -8,7 +8,7 @@ Status: implemented The schema should be small enough to implement in the first `dsh-tool-fs` pass, but stable enough that future local/remote/sandboxed filesystem backends do not require model-facing churn. It should also avoid importing every option from reference systems. Claude Code and OpenCode expose similar core file tools but differ in naming style and extra flags; this RFC chooses the minimal shared surface for the prototype. -## Proposal +## Decision `@deepseek-ai/dsh-tool-fs` exposes these three model-facing tools in the first filesystem suite: @@ -78,7 +78,7 @@ Default native projections: | `write` | create/update operation, target display path, new file version | concise create/update success text | | `edit` | replacement count, replace-all flag, target display path, new file version | concise edit success text | -The structured outcome should not restate model arguments such as `file_path`, `old_string`, or `content` unless the backend has resolved them into new information such as `displayPath`, `targetKey`, or a new version. Token-conscious truncation is part of the model projection, not the backend's canonical result. +The structured outcome does not restate model arguments such as `file_path`, `old_string`, or `content` unless the backend has resolved them into new information such as `displayPath`, `targetKey`, or a new version. Token-conscious truncation is part of the model projection, not the backend's canonical result. ## Deferred @@ -91,22 +91,19 @@ The following are deliberately out of scope for the first filesystem schema pass - Code Mode projection values for filesystem tools. - A canonical edit diff format. -## Tests +## Testing -`dsh-tool-fs` schema tests should assert: +Schema tests pin the required/optional argument set per tool, empty-`old_string` rejection, the `replace_all` default, the snake_case field names, description prose that states the observation policy, and root-plugin suite registration; integration tests execute all three tools through `ctx.tools.execute()` against the real `dsh-fs-local` provider and verify the model arguments translate into the expected `ctx.fs` calls and `fs/*` dispatches. -- `read` requires `file_path` and accepts optional positive integer `offset` / `limit`. -- `write` requires `file_path` and `content`. -- `edit` requires `file_path`, `old_string`, and `new_string`, accepts optional boolean `replace_all`, rejects empty `old_string`, and defaults `replace_all` to false. -- The registered JSON schemas use the snake_case field names in this RFC. -- The tool descriptions accurately describe that, under the default fs-policy, existing-file `write` and `edit` require a prior observation (any windowed read counts) in the same execution context, while new-file `write` does not. -- The `tool-fs` root plugin registers all three schemas. +## Alternatives considered -Integration tests should execute `read`, `write`, and `edit` through `ctx.tools.execute()` against the real `dsh-fs-local` provider and verify that model arguments are translated into the expected `ctx.fs` calls and `fs/*` dispatches. +- **A Codex-style patch grammar or multi-mode edit API** — rejected: one strict literal replacement mode keeps the model-facing contract simple and lets the backend own exact-match, duplicate-match, line-ending, and stale-version semantics. +- **camelCase argument names (OpenCode's style)** — snake_case aligns with Claude Code and the existing harness tool-schema examples, and naming is public surface once shipped. +- **Model-facing `expected_hash` / `expected_version` / `create_only` parameters** — rejected: stale checks are driven by backend-minted versions and the policy plugin's observed state, never by fragile model-copied tokens. -## Risks +## Consequences -**The first schema is intentionally smaller than Claude Code's.** Dropping PDF pages, multimodal read, rich grep/list flags, and expected hash fields keeps the first implementation focused, but users may ask for those quickly. They should be added as separate RFCs or focused follow-ups rather than overloaded into the initial schema. +**The first schema is intentionally smaller than Claude Code's.** Dropping PDF pages, multimodal read, rich grep/list flags, and expected hash fields keeps the implementation focused, but users may ask for those quickly. They arrive as separate RFCs or focused follow-ups rather than overloads of the initial schema. **No explicit model-facing stale guard in v1.** The schema does not ask the model to provide an expected hash/version. That is intentional: stale checks come from backend-produced versions and the `dsh-fs-policy` plugin's observed state, not from fragile model-copied tokens. Filesystem safety failures surface through structured `FsError` codes owned by `dsh-fs`, not through model-supplied version fields. diff --git a/docs/rfc/implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md b/docs/rfc/implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md index 6e108dc4c1..5eb38f1f99 100644 --- a/docs/rfc/implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md +++ b/docs/rfc/implemented/feature/2026-06-18-acp-terminal-and-tool-rendering.md @@ -4,7 +4,7 @@ Status: implemented ## Problem -The ACP bridge lets each tool own its call rendering via `presentCall`/`presentResult` (see [tool-call UI presentation](../../proposed/feature/2026-06-14-acp-agent-client-protocol.md) and `packages/core/tools`). For `bash` we surface the exact command as the `tool_call` title, the model's `description` as a content text block, `kind: 'execute'`, and the completed output wrapped in a fenced ` ```console ` text block. +The ACP bridge lets each tool own its call rendering via `presentCall`/`presentResult` (see [tool-call UI presentation](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md) and `packages/core/tools`). For `bash` we surface the exact command as the `tool_call` title, the model's `description` as a content text block, `kind: 'execute'`, and the completed output wrapped in a fenced ` ```console ` text block. That is a correct, capability-free baseline, but not how the reference editors render a *terminal* tool at its best. An editor like Zed has a dedicated terminal tool-call card — a header showing the working directory, the command as the label, the command output rendered as a terminal, and an exit-status pill — but it only builds that card when the `tool_call` carries terminal metadata (below). With a plain text block the output appears as static markdown and there is no cwd header. (Zed also HIDES `rawInput` for `kind: 'execute'`, which is why the command IS the title — both reference adapters do the same. The human-readable description rides as a separate content block above the card; note this is a DELIBERATE divergence — claude-agent-acp DROPS the description in terminal mode and renders only the card — we keep the summary visible alongside.) @@ -28,7 +28,12 @@ Keep `dsh-bash` agent-side execution; render the terminal card via the `_meta` c 3. **Bridge mapping.** When the client advertised the capability, the bridge maps that presentation to: on `tool_call`, `content:[…, {type:'terminal', terminalId}]` (any tool `content`, e.g. the description, rendered BEFORE the terminal block) + `_meta.terminal_info.{terminal_id,cwd}`; on `tool_call_update`, `_meta.terminal_output.{terminal_id,data}` (the captured output) + `_meta.terminal_exit.{terminal_id, exit_code|signal}` (the parsed exit), with the update's text `content` OMITTED (an ACP `tool_call_update.content` REPLACES the call's content collection, so re-sending the fenced block would clobber the terminal content block). `terminalId` is derived from the harness `callId` (stable, unique per call). When the capability is absent, the bridge sends the description content block on the call and the existing ` ```console ` text content on the update — unchanged. 4. **The exit pill is parsed from the rendered output; no new execution path, no live streaming.** Output is attached at completion (from the agent's own `tool/result`), not streamed token-by-token. The exit-status pill (`_meta.terminal_exit.{exit_code,signal}`) IS emitted: the pure `presentResult(args, result)` seam sees only content blocks, so `dsh-tool-bash` recovers the structured exit by parsing the status markers (`[exit code: N]` / `[killed by signal: …]`) that `renderResult` appended — the parse is the exact inverse of the marker emission, the two co-evolve in one file, and a round-trip test guards the pair. Disposal is unaffected: nothing new to tear down, since the bridge never creates a client-side terminal. -## Risks / trade-offs +## Alternatives considered + +- **The ACP client-side terminal sub-protocol (`terminal/create`)** — explicitly rejected: the editor would execute the process, bypassing `dsh-bash`'s env scrub, background-task ownership, and per-session cwd, and forking execution into two backends. Both reference agents reject it the same way (the key finding above); agent-side execution plus the `_meta` convention is the only shape that yields the terminal card while keeping the harness's execution policy. +- **Threading a structured exit through the event schema** — rejected in favor of the marker round-trip: the pure `presentResult(args, result)` seam sees only content blocks, and the parse is the exact inverse of the marker emission, co-evolving in one file under a round-trip test. + +## Consequences - **Zed-convention `_meta` keys.** The terminal card rides on Zed-specific keys (`terminal_info`/`terminal_output`/`terminal_exit`) inside ACP's spec-blessed `_meta` extensibility point, NOT on the ACP terminal sub-protocol. A client that doesn't recognize the keys still gets the text fallback (the capability gate ensures we only emit them when the client opted in via `_meta.terminal_output`), so a non-Zed client is never worse off. If ACP later standardizes agent-executed terminals, migrate to that and drop the convention keys. - **Capability honesty.** Emit terminal metadata ONLY when the client advertised `_meta.terminal_output`; the text fallback is the contract for everyone else and must never regress. Covered by a no-capability test asserting the ` ```console ` path. @@ -38,4 +43,4 @@ Keep `dsh-bash` agent-side execution; render the terminal card via the `_meta` c ## Out of scope / non-goals -The text-block baseline stays the no-capability default. Client-side `terminal/create` execution is explicitly rejected (it bypasses `dsh-bash`). Two follow-ups are deliberately NOT built here and would each warrant their own RFC when someone takes them on: **live incremental streaming** (`_meta.terminal_output_delta` as chunks arrive, which needs an incremental-output seam on `dsh-bash`), and **command classification** (parsing a `cat`/`sed` as a `read` card with a file location, a `grep` as a `search`, etc., falling back to the terminal card — display-only, must never change what executes). +The text-block baseline stays the no-capability default. Two follow-ups are deliberately NOT built here and would each warrant their own RFC when someone takes them on: **live incremental streaming** (`_meta.terminal_output_delta` as chunks arrive, which needs an incremental-output seam on `dsh-bash`), and **command classification** (parsing a `cat`/`sed` as a `read` card with a file location, a `grep` as a `search`, etc., falling back to the terminal card — display-only, must never change what executes). diff --git a/docs/rfc/implemented/feature/2026-06-18-compaction-capability-seam.md b/docs/rfc/implemented/feature/2026-06-18-compaction-capability-seam.md index 9e08df2fbd..bba12727f7 100644 --- a/docs/rfc/implemented/feature/2026-06-18-compaction-capability-seam.md +++ b/docs/rfc/implemented/feature/2026-06-18-compaction-capability-seam.md @@ -1,14 +1,14 @@ # RFC: Compaction as a capability seam (abstract contract + basic backend) -Status: implemented (2026-06-18; retention/seam reform 2026-06-26) +Status: implemented -## Context +## Problem A long-running agent conversation grows without bound. As the event log accumulates turns, the derived message history eventually approaches the model's context window — the model then truncates mid-response (`max-tokens`) or degrades. **Compaction** is the mitigation: replace a run of older history with a concise summary, keeping recent context intact. The [session surface](../../implemented/architecture/2026-06-18-session-surface.md) was built as the foundation for exactly this — a linked list over the event log with a `surfaceOp: { op: 'replace', start, end }` operation purpose-built to shadow a range of nodes and insert a replacement, with `sourceEventSeqs` recording provenance so the decision replays deterministically. What remained was the plugin that *decides what to compact and produces the summary*. -Two forces shape the design. First, compaction is **swappable**: token counting can be a char/4 heuristic or a real tokenizer, and summarization can be a model call, a template, or a remote service — these vary independently of *when* and *which range* to compact. Second, a later commit (`ce43c25`) closed `SurfaceEventType` to five event types (`user/message`, `assistant/message`, `tool/result`, `context/message`, `steering/message`); only those may carry `surfaceOp`. A bespoke `compaction/*` event therefore **cannot** itself appear on the surface — the compiler rejects `surfaceOp` on it and the invariants plugin rejects it at runtime. +Two forces shape the design. First, compaction is **swappable**: token counting can be a char/4 heuristic or a real tokenizer, and summarization can be a model call, a template, or a remote service — these vary independently of *when* and *which range* to compact. Second, `SurfaceEventType` is closed to five event types (`user/message`, `assistant/message`, `tool/result`, `context/message`, `steering/message`); only those may carry `surfaceOp`. A bespoke `compaction/*` event therefore **cannot** itself appear on the surface — the compiler rejects `surfaceOp` on it and the invariants plugin rejects it at runtime. ## Decision @@ -17,7 +17,7 @@ Two forces shape the design. First, compaction is **swappable**: token counting Per the [capability-seams RFC](../../implemented/architecture/2026-06-13-capability-seams.md), compaction ships as separate packages so the contract, the algorithm, and (later) the consumer surface evolve independently: 1. **Interface** — `@deepseek-ai/dsh-compact`: an abstract `CompactService` owning the `ctx.compact` key, the `CompactionResult` vocabulary, and the `compact/*` session events. It declares `compactIfNeeded()` and `compactRegion()` as **abstract** — the contract states *what* compaction does, not *how*. -2. **Implementation** — `@deepseek-ai/dsh-compact-basic`: a concrete `BasicCompactService` that owns the entire algorithm — token estimation (char/4 + per-block overhead), the tail→head retention walk, summarization via `ctx.llm.stream()`, the surface replacement, the lock, and the `agent/pre-step` auto-compaction listener. A tokenizer-based or template-based backend is a sibling package (or a subclass overriding the two protected estimation/summarization hooks). +2. **Implementation** — `@deepseek-ai/dsh-compact-basic`: a concrete `BasicCompactService` that owns the entire algorithm — token estimation (chars per token — the `charsPerToken` config, default 4 — + per-block overhead), the tail→head retention walk, summarization via `ctx.llm.stream()`, the surface replacement, the lock, and the `agent/pre-step` auto-compaction listener. A tokenizer-based or template-based backend is a sibling package (or a subclass overriding the two protected estimation/summarization hooks). 3. **Consumer** — deferred. A `/compact` tool and slash command will `inject: ['compact']` and call the contract; they are intentionally out of scope here so the seam settles first. ### The contract depends on `dsh-session` and `dsh-llm` — a deliberate deviation @@ -103,6 +103,13 @@ Two failure paths, both documented: **Core session repair stays compaction-agnostic — deliberately.** `interruptedTurnClosers` is never taught about `compact/*`. Teaching it would force every future `xxx/start … xxx/end` plugin pair to patch a core module — exactly the coupling the capability-seam architecture exists to avoid. Because the log-only orphan is inert, no special repair is needed: generic turn-repair plus the inertness of an un-landed surface mutation is sufficient. +## Alternatives considered + +- **The full algorithm as concrete interface methods** (only estimation/summarization abstract) — the earlier draft; rejected because it recouples the contract to one retention strategy. Both core methods are abstract; the `protected` estimation/summarization hooks are the backend's private factoring, not the contract's. +- **Compaction on the `agent/request` waterfall** — the earlier cut; rejected for the double-derive it forced and for handing the listener context it structurally cannot compact. The dedicated `agent/pre-step` seam makes the layering correct by construction. +- **A separate `compact/error` event** — rejected: `compact/end` keeps an `error?` field, mirroring `tool/result`'s self-contained error — one event tells success from failure without correlating a sibling. +- **Teaching core turn-repair about `compact/*`** — rejected: the log-only orphan is inert, and a core module patched for every future `xxx/start … xxx/end` plugin pair is exactly the coupling the capability-seam architecture exists to avoid. + ## Consequences - **New packages**: `packages/compact/compact` (interface) and a sibling `compact-basic` (backend) under `packages/compact/`, wired into the root tsconfigs. The consumer tier is deferred. diff --git a/docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md b/docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md index 77a838b299..28daff14ff 100644 --- a/docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md +++ b/docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md @@ -2,11 +2,11 @@ Status: implemented -> **Implementation status:** shipped across four PRs. PR1 landed this proposal + the `dsh-subagent` interface, the `dsh-subagent-mock` test backend, and the `dsh-tool-subagent` consumer; PR2 the two in-process backends (`dsh-subagent-spawn`, `dsh-subagent-fork`); PR2.5 the nested-agent snapshot infrastructure (see [Per-session snapshot replay for nested agents](../testing/2026-06-22-subagent-snapshot-replay.md)); PR3 the out-of-process `dsh-subagent-acp` backend (see [ACP subagent backend](2026-06-22-acp-subagent-backend.md)). The design below is amended to describe what actually landed. +> The full seam is shipped: the `dsh-subagent` interface, the `dsh-subagent-mock` test backend, and the `dsh-tool-subagent` consumer; the two in-process backends (`dsh-subagent-spawn`, `dsh-subagent-fork`); the nested-agent snapshot infrastructure ([per-session snapshot replay](../testing/2026-06-22-subagent-snapshot-replay.md)); and the out-of-process `dsh-subagent-acp` backend ([its RFC](2026-06-22-acp-subagent-backend.md)). ## Problem -The harness has a long-deferred seam for **subagents** — an agent delegating work to another agent. The intent was sketched in the `Agent`/`AgentLoop` interfaces ([packages/core/agent/src/types.ts](../../../../packages/core/agent/src/types.ts), [packages/core/agent-loop/src/index.ts](../../../../packages/core/agent-loop/src/index.ts)): a creation option referencing a parent agent (fork = seed the child session with the parent's event log; spawn = fresh session), with the child returned as an `Agent` handle so steering and event subscription work uniformly. This RFC realizes that seam (see the implementation-status banner above for what has landed); the design below is the proposal it was argued from, when no service, vocabulary, or implementation yet existed. +The harness has a long-deferred seam for **subagents** — an agent delegating work to another agent. The intent was sketched in the `Agent`/`AgentLoop` interfaces ([packages/core/agent/src/types.ts](../../../../packages/core/agent/src/types.ts), [packages/core/agent-loop/src/index.ts](../../../../packages/core/agent-loop/src/index.ts)): a creation option referencing a parent agent (fork = seed the child session with the parent's event log; spawn = fresh session), with the child returned as an `Agent` handle so steering and event subscription work uniformly. This RFC realizes that seam; the banner above lists what shipped. The distinctive requirement — the one that shapes the whole design — is that **multiple subagent implementations must coexist at runtime**. A parent may want a cheap in-process child for a scoped subtask AND an isolated out-of-process child (over ACP) in the same session. The transports we foresee: @@ -14,11 +14,13 @@ The distinctive requirement — the one that shapes the whole design — is that - **ACP** — act as an ACP *client* driving another agent process (which can be another instance of ourselves); - later: **A2A**, the **Codex app-server**, and the **Claude Code Agent SDK** — each the same out-of-process "start a child, prompt it, stream updates, cancel" shape as the ACP backend. -## Why not the bash seam shape +## Alternatives considered + +### Why not the bash seam shape The bash seam ([capability seams](../../implemented/architecture/2026-06-13-capability-seams.md)) registers exactly one `BashExecutor` per context; loading a second throws. That is correct for bash (one machine, one way to run a command) but wrong here: coexistence is the requirement. So the subagent service is a **named-provider registry** — each implementation registers under a unique name and a caller picks one by name — mirroring the **LLM adapter registry** (`LlmService.registerAdapter`), not the single-service bash executor. The seam is still three-package (interface / implementation / consumer); only the "one vs. many implementations" axis differs. -## Proposal +## Decision ### The three-package seam @@ -27,11 +29,11 @@ A new package group `packages/subagent/`: | Package | Role | |---|---| | `@deepseek-ai/dsh-subagent` | interface: `SubagentService` (`ctx.subagents`), `SubagentProvider`, `SubagentRun`, the request/result/capability vocabulary, the `subagent/*` events | -| `@deepseek-ai/dsh-subagent-spawn` | implementation: a fresh in-process child via `ctx.agents.create` (PR2) | -| `@deepseek-ai/dsh-subagent-fork` | implementation: an in-process child seeded with a snapshot of the parent's log (PR2) | -| `@deepseek-ai/dsh-subagent-acp` | implementation: an ACP client driving a configured child process (PR3) | -| `@deepseek-ai/dsh-subagent-mock` | support: a scripted provider for testing the seam through the real load path (PR1) | -| `@deepseek-ai/dsh-tool-subagent` | consumer: the model-facing `subagent` tool over `ctx.subagents` (PR1) | +| `@deepseek-ai/dsh-subagent-spawn` | implementation: a fresh in-process child via `ctx.agents.create` | +| `@deepseek-ai/dsh-subagent-fork` | implementation: an in-process child seeded with a snapshot of the parent's log | +| `@deepseek-ai/dsh-subagent-acp` | implementation: an ACP client driving a configured child process | +| `@deepseek-ai/dsh-subagent-mock` | support: a scripted provider for testing the seam through the real load path | +| `@deepseek-ai/dsh-tool-subagent` | consumer: the model-facing `subagent` tool over `ctx.subagents` | ### The primitive: `start → SubagentRun` @@ -44,7 +46,7 @@ A provider exposes `start(request) → SubagentRun`. The run carries a `result` ### Fork vs. fresh are separate backends, not a flag -Rather than a `context: 'fresh' | 'fork'` request field, the distinction is the provider's identity: `dsh-subagent-spawn` (fresh, isolated, own system prompt) and `dsh-subagent-fork` (seeded from the parent's log) are two registered providers. You pick behavior by picking a provider — consistent with the registry being the selection mechanism. +Rather than a `context: 'fresh' | 'fork'` request field, the distinction is the provider's identity: `dsh-subagent-spawn` (fresh, isolated, own system prompt) and `dsh-subagent-fork` (seeded from the parent's log) are two registered providers. You pick behavior by picking a provider — consistent with the registry being the selection mechanism. The fork backend seeds only a **balanced, completed-turn prefix** of the parent log: at tool-execute time the parent's turn is open (it holds the `assistant/message` and the dangling spawn `tool/call` with no `tool/result`), and seeding that raw prefix would give the child an unbalanced turn the [invariants](../../../../packages/support/invariants/src/index.ts) freeze-check rejects. ### Child isolation and the parent log @@ -58,13 +60,11 @@ The `dsh-tool-subagent` consumer awaits `run.result` and returns the child's fin `dsh-tool-subagent` binds to exactly one provider name (`Config.provider`); the model sees only `{ description, prompt }`. To expose more than one transport, load the tool plugin more than once, each bound to a different provider and a distinct `toolName` (the tool registry rejects a duplicate name). The *service* holds the multi-provider registry; the *tool* picks one — no provider/type parameter in the schema this cut. -## Plan (three PRs, each converged with Codex separately) +## Testing -1. **PR1 — interface + tool + mock.** This RFC, `dsh-subagent` (service, registry, vocabulary, `subagent/*` events), `dsh-subagent-mock` (scripted provider), `dsh-tool-subagent`. Wire the new `packages/subagent/` group into the tsconfigs, the build references, the package hierarchy docs, and the module graph. Tests: registry HMR-safety, duplicate-name rejection, start-time capability rejection, and at least one test driving the tool through the **real cordis Loader / export path** (a hand-built `ctx.plugin` mount bypasses `unwrapExports` and cannot catch a broken export shape — see [postmortem 0001](../../../postmortem/0001-acp-default-export-drops-inject.md)). -2. **PR2 — in-process backends.** `dsh-subagent-spawn` and `dsh-subagent-fork` over `ctx.agents.create` + `AgentHandle.dispose`. The fork backend must seed only a **balanced, completed-turn prefix** of the parent log: at tool-execute time the parent's turn is open (it holds the `assistant/message` and the dangling spawn `tool/call` with no `tool/result`), and seeding that raw prefix gives the child an unbalanced turn the [invariants](../../../../packages/support/invariants/src/index.ts) freeze-check rejects. Depth tracking (parent depth + 1, refused past `maxDepth`) and its exact storage are settled in PR2. -3. **PR3 — ACP backend.** `dsh-subagent-acp` as an ACP client over a configured spawn command (stdio); point it at our own `acp-agent` example to "talk to our own process". Minimal client stub: advertise no optional client capabilities, auto-resolve `session/request_permission` via a configured default, consume `session/update` without surfacing it this cut. Decide the `@agentclientprotocol/sdk` version (recommended: bump to 0.28.x for the fluent client API; the bump is shared with the existing `dsh-acp` bridge, so re-run its snapshot + e2e). +The seam is tested through the real cordis Loader / export path, not a hand-built `ctx.plugin` mount (which bypasses `unwrapExports` and cannot catch a broken export shape — [postmortem 0001](../../../postmortem/0001-acp-default-export-drops-inject.md)); the registry pins HMR-safety, duplicate-name rejection, and start-time capability rejection; the nested-agent snapshot scenarios replay keyless in the default gate ([per-session snapshot replay](../testing/2026-06-22-subagent-snapshot-replay.md)); in-process backends carry real-loop unit tests plus a with-key e2e. -## Risks and deferrals +## Consequences - **Recursion.** Without a guard, an in-process child inherits the spawn tool and can spawn unboundedly. Depth-limit is an optional capability (the in-process backends enforce it; ACP advertises it off and rejects a `maxDepth` request); tool-filtering is likewise optional. Tool-filtering, when implemented, needs a `tools/pre-execute` deny in the child context — schema filtering alone is insufficient because a model can hallucinate a denied tool name. - **Blocking the parent turn.** Synchronous collect holds the parent's `runStep` open for the child's full duration. This is acceptable for the first cut; **background / poll / spill semantics are deferred to a future redesign that unifies long-running-tool handling across subagents AND bash** (a sub-agent and a long `bash` background task pose the same "the model started something slow, how does it collect later" problem, and should share one mechanism rather than each inventing its own). diff --git a/docs/rfc/implemented/feature/2026-06-22-acp-subagent-backend.md b/docs/rfc/implemented/feature/2026-06-22-acp-subagent-backend.md index aa56483f32..ec608177b4 100644 --- a/docs/rfc/implemented/feature/2026-06-22-acp-subagent-backend.md +++ b/docs/rfc/implemented/feature/2026-06-22-acp-subagent-backend.md @@ -12,7 +12,7 @@ The subagent seam ([the seam RFC](2026-06-21-subagent-capability-seam.md)) was b ### Fresh process per run -Each `start` spawns a new child, runs exactly one ACP session (`initialize` → `newSession` → `prompt`), and `dispose` kills the subprocess and awaits its exit. This is the simplest lifecycle and mirrors the in-process one-child-per-run shape. Persistent-process pooling (reuse a warm child across runs) is a performance optimization deferred to future work — it adds session-lifecycle and crash-recovery complexity the first cut does not need. +Each `start` spawns a new child, runs exactly one ACP session (`initialize` → `newSession` → `prompt`), and `dispose` kills the subprocess and awaits its exit. This is the simplest lifecycle and mirrors the in-process one-child-per-run shape. ### Minimal client stub @@ -26,10 +26,6 @@ The provider's `capabilities` are all `false`. An out-of-process child cannot ho ACP `StopReason` → harness `SubagentStopReason`: `end_turn`→`completed`, `max_tokens`→`max-tokens`, `refusal`→`refusal`, `cancelled`→`aborted`, `max_turn_requests`→`error` (no clean equivalent — the task did not finish), unknown→`error`. A spawn/transport/RPC failure resolves `error` (or `aborted` if a cancel was requested); `result` never rejects on a child-level failure, per the seam contract. -### SDK version: stayed on 0.25.1 - -The plan proposed bumping `@agentclientprotocol/sdk` 0.25.1 → 0.28.x for the new fluent `acp.client()` / `ActiveSession.nextUpdate()` API. Validating that against the code (the AGENTS.md "RFC is a proposal, not golden truth" discipline) reversed the decision: the backend only needs `ClientSideConnection` + `ndJsonStream` + `PROTOCOL_VERSION` + the `Client`/`Agent`/`StopReason` types, **all present and non-deprecated in 0.25.1**. The fluent API and `unstable_forkSession` that motivated the bump are never used here, so the "cleaner client code" benefit did not materialize. Worse, 0.28.x **deprecates both** `ClientSideConnection` AND `AgentSideConnection` (it wants all callers on the fluent builders), which turns the `no-deprecated` lint red across the entire existing ACP layer — 33 usages including the server bridge this PR has no business rewriting. That cross-cutting connection-API migration is its own PR, not baggage for "add an ACP subagent backend". So the bump was reverted and the backend is written against 0.25.1 (the plan's own fallback clause: "if the bump proves disruptive, fall back to `ClientSideConnection` (0.25.1), which is sufficient"). Migrating the whole ACP layer to the fluent API on a later 0.28.x bump is a worthwhile standalone follow-up. - ### Security: scrubbed child environment The child is a separate process, so it inherits an environment. Credential-shaped ambient vars (`/KEY|SECRET|TOKEN/i`) are NOT forwarded by default — the parent harness's own secrets must not leak into a spawned process implicitly (the same policy the bash executor applies). The child's OWN credentials (it needs a model key) are supplied EXPLICITLY via `config.env`, layered AFTER the scrub, so an intended `DEEPSEEK_API_KEY` survives while an incidental `AWS_SECRET_ACCESS_KEY` does not. Child stderr is inherited to the parent's stderr (diagnostics surface naturally); a spawn-level `error` event (e.g. ENOENT for a bad command) is captured and raced against the ACP drive, so a bad command settles `error` instead of crashing the parent with an unhandled error. @@ -40,7 +36,21 @@ Designed at every tier the backend touches, per the root AGENTS.md rule that a n - **Keyless unit/integration** (`subagent-acp.spec.ts`): spawns a scripted mock ACP server subprocess (`tests/mock-acp-server.ts`) and drives it through the real backend over real ACP stdio. Covers: the prompt round-trip + output accumulation; every StopReason mapping; cancellation via `run.cancel()` and via the request signal; the already-aborted-before-start case; the cancel-races-ahead-of-newSession case; a torn-pipe-after-cancel (child crashes on cancel) settling `aborted`; permission auto-answer under both policies (including the allow-policy-no-allow-option fallback); a non-message update consumed but not accumulated; a nonexistent-command spawn failure settling `error`; HMR provider cleanup; and the namespace export shape. 100% per-file coverage. - **With-key e2e** (`subagent-acp.e2e.ts`): the harness drives ITSELF — the backend spawns the real `acp-agent` example process and a real model in that child answers a prompt (PONG) and does real file work (writes `proof.txt`, verified on disk). Self-skips without `DEEPSEEK_API_KEY`. This is the "talk to our own process" smoke and the out-of-process analogue of the in-process spawn e2e. -- **Snapshot**: deferred as `TODO(acp-subagent-replay)`. An ACP child is a distinct replay shape — each child is its own PROCESS with its own single-agent replay (booted under `DSH_SNAPSHOT=replay` with its own sessions-root + fixture), unlike the in-process per-session keying that [PR2.5](../testing/2026-06-22-subagent-snapshot-replay.md) added. The keyless mock-server tests give deterministic coverage of the backend in the meantime; the snapshot follow-up would record the parent driving a real-but-replayed ACP child. +- **Snapshot**: deferred as `TODO(acp-subagent-replay)`. An ACP child is a distinct replay shape — each child is its own PROCESS with its own single-agent replay (booted under `DSH_SNAPSHOT=replay` with its own sessions-root + fixture), unlike the in-process per-session keying that [the per-session replay RFC](../testing/2026-06-22-subagent-snapshot-replay.md) added. The keyless mock-server tests give deterministic coverage of the backend in the meantime; the snapshot follow-up would record the parent driving a real-but-replayed ACP child. + +## Alternatives considered + +### Why not the 0.28.x SDK bump? + +The plan proposed bumping `@agentclientprotocol/sdk` 0.25.1 → 0.28.x for the new fluent `acp.client()` / `ActiveSession.nextUpdate()` API. Validating that against the code (the AGENTS.md "RFC is a proposal, not golden truth" discipline) reversed the decision: the backend only needs `ClientSideConnection` + `ndJsonStream` + `PROTOCOL_VERSION` + the `Client`/`Agent`/`StopReason` types, **all present and non-deprecated in 0.25.1**. The fluent API and `unstable_forkSession` that motivated the bump are never used here, so the "cleaner client code" benefit did not materialize. Worse, 0.28.x **deprecates both** `ClientSideConnection` AND `AgentSideConnection` (it wants all callers on the fluent builders), which turns the `no-deprecated` lint red across the entire existing ACP layer — 33 usages including the server bridge this backend has no business rewriting. That cross-cutting connection-API migration is its own change, not baggage for "add an ACP subagent backend". So the bump was reverted and the backend is written against 0.25.1 (the plan's own fallback clause: "if the bump proves disruptive, fall back to `ClientSideConnection` (0.25.1), which is sufficient"). Migrating the whole ACP layer to the fluent API on a later 0.28.x bump is a worthwhile standalone follow-up. + +### Why not a persistent child process? + +Persistent-process pooling (reuse a warm child across runs) is a performance optimization deferred to future work — it adds session-lifecycle and crash-recovery complexity the first cut does not need; each `start` spawning a fresh child mirrors the in-process one-child-per-run shape. + +## Consequences + +Every run pays a fresh subprocess (spawn + `initialize` + `newSession`). The parent surfaces only the child's final answer: `session/update` thoughts and tool-call cards are consumed and dropped, and permission prompts never reach a human — the configured policy answers them. The child's environment is credential-scrubbed by default, so its own model key is supplied explicitly via `config.env`. ## Future providers diff --git a/docs/rfc/implemented/feature/2026-06-25-ask-user-question.md b/docs/rfc/implemented/feature/2026-06-25-ask-user-question.md new file mode 100644 index 0000000000..9320189de1 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-06-25-ask-user-question.md @@ -0,0 +1,49 @@ +# RFC: Ask-user question capability + +Status: implemented + +## Problem + +The agent sometimes cannot proceed safely from model inference alone: it needs the human to choose a path, confirm a risky/default action, or provide missing information. Before this change, the only way to get that answer was for the model to ask in assistant text and then stop, which broke the normal tool-call loop: the agent had no structured way to pause, no option metadata for UIs, no abort/error taxonomy, and no way for non-stdio front doors to present the question consistently. + +This is a user-facing capability, but it also crosses package boundaries. A model-facing tool needs a provider-neutral request vocabulary; each UI surface needs to decide how to show and collect the answer; the agent loop should remain unchanged because a tool call already has the right async shape. + +## Decision + +Introduce `dsh-user-interaction` as the provider-neutral interface package for `ctx.userInteraction`, colocated with the model-facing consumer `dsh-tool-ask-user` under `packages/ui`. The grouping is intentional: asking a human is a UI-backed product affordance, not part of the providerless core spine. The seam still owns the stable request/answer/error vocabulary, while UI product surfaces provide the concrete provider that collects the answer. The tool registers `ask_user_question`, forwards `{ questions, agent, signal }`, and returns the provider-computed structured answers as the tool result. + +The model-facing request vocabulary is deliberately aligned with the product-research schema: `ask_user_question({ questions: [{ id, question, header?, options?: [{ label, description? }], multi_select? }] })`. `id` is supplied per question and echoed in the result so a batch can be routed without relying on question text. `label` is both user-facing display text and the selected value returned to the model; there is no separate `value`, no `recommended`, no `allow_custom`, and no `desc` alias. + +Providers return `{ answers: [{ id, selected, custom? }] }`. `selected` is always an array of selected option labels, so single-select and `multi_select` answers share one result shape. `custom` carries a free-text "Other" answer; optionless questions collect `custom` directly. When `custom` is present, it overrides any selected choices and `selected` is empty. + +`UserInteractionError` extends `HarnessError`, so failures such as `NO_PROVIDER`, `ASK_ABORTED`, ACP cancellation, or missing session routing survive `ctx.tools.execute()` as machine-routable `{ name, code }` tool errors. This matches the structured-error taxonomy and lets the model or a wrapping plugin distinguish "user cancelled" from a generic thrown exception. + +## UI mappings + +`dsh-stdio-agent`'s in-package readline module renders each question, shows each option's `description` on the next line, supports comma/space-separated numeric choices for `multi_select`, accepts free-form custom answers, and rejects pending questions on abort, provider disposal, or stdin EOF. A batched request is asked in order and resolved as one answer object. The stdio provider serializes simultaneous requests with an internal queue so only one prompt owns stdin at a time. + +`dsh-acp` provides the same seam for ACP sessions. It routes an ask request from the calling `Agent` through the bridge's `agent→sessionId` reverse map and calls ACP `unstable_createElicitation` with a session-scoped form for each question. Single-select options become a `choice` string enum; `multi_select` options become a `choice` array enum; optionless questions use a required `custom` text field. If the client returns both `choice` and non-empty `custom`, the custom answer wins. ACP `decline`/`cancel`, a missing answer, a missing session, and a client without elicitation support all become structured `UserInteractionError`s. + +The ACP mapping deliberately uses elicitation, not `session/request_permission`. `request_permission` is still reserved for the separate permission gate: it is a yes/no-or-policy authorization protocol around tool execution. `ask_user_question` is a general information-gathering tool with optional free-form answers, so ACP form elicitation is the closer protocol fit. The bridge's session routing is shared with the future permission gate, but the user intent is different. + +## Alternatives considered + +**Assistant text followed by a stopped turn.** The model could ask the user in plain assistant text and then stop. That loses the structured option metadata, gives UIs no provider-neutral way to render a choice, and forces the next human answer to arrive as a new user prompt rather than as the result of the operation that needed the answer. + +**Core-owned ask-user packages.** The first implementation split the seam and the model-facing tool across `packages/core` and `packages/ui`, but both names describe one UI-backed human-interaction affordance. The seam remains provider-neutral, but it is not providerless core infrastructure like sessions, tools, or the agent registry. Keeping `dsh-user-interaction` and `dsh-tool-ask-user` together under `packages/ui` makes the package map match the product boundary: apps and bridges provide the human-answer provider, and the stdio app opts into the model-facing tool. + +**ACP `session/request_permission`.** Permission requests are authorization around tool execution; `ask_user_question` is information gathering with optional free-form answers. Using permission for general questions would collapse two different product concepts and make the future permission gate harder to reason about. + +**A loop-level pause primitive.** The agent loop already knows how to await a tool call and resume from a tool result. Adding a new loop special case would duplicate that async shape and make every loop implementation learn about a UI concern. + +## Consequences + +ACP elicitation is currently marked unstable in the SDK. The fallback is still structured: if a client does not implement it, the tool returns `ASK_FAILED` rather than hanging. A later ACP stabilization may rename or reshape the method; that migration should stay inside `dsh-acp` because the core `ctx.userInteraction` vocabulary is provider-neutral. + +The feature gives the model a powerful pause primitive, so prompt guidance matters. The tool description tells the model to ask concise questions and use options when possible. Product policy can later wrap `tools/execute` to restrict when the tool is allowed, but the loop should not special-case it. + +`dsh-user-interaction` and `dsh-tool-ask-user` both live in `packages/ui` because they form one product-facing human-interaction capability. `agent-core` does not load either the tool or a provider. `stdio-agent` opts into the seam, its readline provider, and the model-facing tool. `acp-agent` keeps only the `userInteraction` seam/provider by default: ACP elicitation support is still client-dependent, so an ACP leaf must opt into the model-facing tool deliberately once its client can complete elicitation requests. + +## Testing + +Unit coverage pins provider registration/disposal, duplicate-provider rejection, abort-before-provider, empty-question rejection, structured tool errors through `ctx.tools.execute()`, batched answers, multi-select answers, custom answers, and the model schema including the removal of `value`, `recommended`, `allow_custom`, and `desc`. `dsh-stdio-agent` tests cover option descriptions, queued requests, EOF/abort cleanup, optionless free-form input, invalid option reprompts, duplicate multi-select numbers, and batched question flows. ACP bridge tests drive a real in-memory ACP connection with the real `ask_user_question` tool and verify selected-option, custom-overrides-choice, multi-select, and optionless free-form elicitation paths continue the agent loop. diff --git a/docs/rfc/implemented/feature/2026-06-29-todo-write-tool.md b/docs/rfc/implemented/feature/2026-06-29-todo-write-tool.md index a2287918f9..90bd274eb3 100644 --- a/docs/rfc/implemented/feature/2026-06-29-todo-write-tool.md +++ b/docs/rfc/implemented/feature/2026-06-29-todo-write-tool.md @@ -51,8 +51,12 @@ Four tiers, designed up front: - **`session/load` replay** — a persisted `todo/write` re-emits the `plan` update when a fresh ACP bridge loads the session. - **With-key e2e + snapshot** — a real prompt induces a `todo_write`; the snapshot golden gains the `plan` notification and the log event. -## Alternatives rejected +## Alternatives considered - **In-memory `ctx.todos` service** — would reinvent durability, replay, and `session/load` reconstruction the log gives for free. - **Per-item delta protocol** — only needed for a shared multi-owner list, which is out of scope; whole-list replace is simpler and matches the references. - **Tool in `core/`** — `todo_write` is an extension tool registering on `ctx.tools`, not part of the spine; it lives in its own `packages/todo/` group like other tool families. + +## Consequences + +The todo list is durable, replayable session state: a persisted `todo/write` re-emits the editor's `plan` update on `session/load`, and the log — not plugin memory — is the single source of truth. Whole-list replace means one tool call per update with last-write-wins; there is no delta protocol to reconcile. The event stays off the surface, so a todo update never perturbs the derived model history — the model sees only its own tool call and result. diff --git a/docs/rfc/implemented/feature/2026-06-30-hook-bridges.md b/docs/rfc/implemented/feature/2026-06-30-hook-bridges.md index 3bedd73b34..fc3c8a9a93 100644 --- a/docs/rfc/implemented/feature/2026-06-30-hook-bridges.md +++ b/docs/rfc/implemented/feature/2026-06-30-hook-bridges.md @@ -1,10 +1,8 @@ # RFC: dsh-hooks-claude + dsh-hooks-codex — the Claude Code / Codex hook bridges -Status: implemented (accepted 2026-06-30) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The harness's extension surface is its typed interception seams ([the interception-seams RFC](2026-06-30-interception-seams.md)): a "native hook" is just an ordinary cordis plugin subscribing to `agent/session-start`, `agent/prompt-submit`, `tools/pre-execute`, `tools/post-execute`, `agent/turn-continuation`, `subagent/start`, `subagent/end`. But users arrive with **existing** Claude Code (CC) and Codex hook configs — a `hooks.json` (or a settings file's `hooks` key) full of shell-command hooks — and want those to run unmodified. This RFC introduces the two **bridge plugins** that translate that external shell-hook protocol onto the typed seams, built on the shared wire-protocol library ([the hook-protocol-lib RFC](2026-06-30-hook-protocol-lib.md)). @@ -55,14 +53,14 @@ Two different cwds, kept distinct on purpose. The hooks **themselves** run in th - **Tool-input rewrite.** A CC/Codex `updatedInput` is logged + warned, not honored — input rewrite is a deferred consistency-design problem ([the pre-tool-input-rewrite RFC](../../proposed/feature/2026-06-30-pre-tool-input-rewrite.md)), because the pre-execution args are read by `tool/call` audit + `assistant/message` history + ACP/tool-bash presentation, so an honest rewrite is a design unit, not a field. - **Stop loop-guard** (`TODO(stop-loop-guard)`). CC/Codex break an infinite force-continue with `stop_hook_active` (true once a Stop hook fired this run) plus a max-consecutive cap; both are deferred. Today `stop_hook_active` is always `false`, so a Stop hook that unconditionally blocks would force-continue every step — a hook author must self-limit until the guard lands. -- **Permission `ask`** degrades to `deny` at the `tools/pre-execute` seam (`FIXME(permissions)` in the interception-seams RFC) — there is no interactive permission prompt yet. +- **Permission `ask`** — deferred at landing, since serviced: the [approval seam](2026-07-06-approval-seam.md) resolves `ask` through `ctx.approval` (ACP prompts over `session/request_permission`), degrading to `deny` only where no approval service is composed. - **Hook `continue:false` (hard halt).** A hook can ask to halt the whole run (CC/Codex `continue:false`); the shared merge folds it into `MergedHookOutcome.stop`/`stopReason`, but no bridge acts on it (`TODO(hook-continue-false)`) — the interception seams have no "hard-halt the agent" primitive yet (a Decision blocks/steers a single point, not the run). Deferred with the loop-guard work; the halt request is recorded in the `hook/result` log, and the hook keeps its per-point effect (decision/context) meanwhile. - **Config discovery.** The path is explicit in `cordis.yml` and process-level (see above); the full multi-layer CC/Codex precedence walk, per-session project-local discovery, and the trust/hash model are not reimplemented (`TODO(per-session-hook-config)`). - **Session-start / subagent-start context is best-effort, not gated (`TODO(session-start-gating)`).** `agent/session-start` is a synchronous emit and the bridge runs its hook on a detached `.then`, so the injected `additionalContext` is not guaranteed to land before the first turn reaches the model — a slow hook can miss the first request (the context then arrives as a later injection). `subagent/start` is sharper: an in-process provider may have already queued the child's prompt before the listener runs, and a short-lived child can finish before the detached inject fires. Making startup context a gated/awaited primitive is a loop-level change deferred to the interception seams; today the contract is "injected as soon as the hook resolves", not "before the first request". The bridge tests do NOT wait on the injection where they assert the guaranteed-timing behavior, so they document the real (best-effort) timing rather than masking it. -### Multiple hooks on one point run serially, not concurrently +## Alternatives considered -The reference engines run a point's matched hooks concurrently and fold the results. These bridges run them **serially** (`await` per hook inside the match loop) and fold with the same most-restrictive merge. Serial is deliberate: it keeps each hook's `hook/invoked`/`hook/result` pair adjacent and in a deterministic order in the session log, and the fold is order-independent for the decision (`deny > ask > allow`) so the outcome matches. The cost is latency (hook *N* waits for hook *N−1*) and that per-hook timeouts are not overlapped — acceptable for the hook counts real configs use; revisit if a config ever fans out enough for the wall-clock to matter. +**Concurrent per-point hook execution.** The reference engines run a point's matched hooks concurrently and fold the results. These bridges run them **serially** (`await` per hook inside the match loop) and fold with the same most-restrictive merge. Serial is deliberate: it keeps each hook's `hook/invoked`/`hook/result` pair adjacent and in a deterministic order in the session log, and the fold is order-independent for the decision (`deny > ask > allow`) so the outcome matches. The cost is latency (hook *N* waits for hook *N−1*) and that per-hook timeouts are not overlapped — acceptable for the hook counts real configs use; revisit if a config ever fans out enough for the wall-clock to matter. ## Consequences diff --git a/docs/rfc/implemented/feature/2026-06-30-hook-protocol-lib.md b/docs/rfc/implemented/feature/2026-06-30-hook-protocol-lib.md index 848eeec219..fa83dbd779 100644 --- a/docs/rfc/implemented/feature/2026-06-30-hook-protocol-lib.md +++ b/docs/rfc/implemented/feature/2026-06-30-hook-protocol-lib.md @@ -1,10 +1,8 @@ # RFC: dsh-hook-protocol — the shared Claude Code / Codex hook wire-protocol core -Status: implemented (accepted 2026-06-30) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The hooks subsystem ships two bridge plugins: one that runs a user's existing Claude Code (CC) hooks, one for Codex hooks. Studying the reference implementations (`~/repos/refs/claude-code`, `~/repos/refs/codex`) surfaced a decisive fact: **Codex deliberately reimplements a SUBSET of the CC hook protocol.** Its engine reads the same `hooks.json`, uses the same matcher-group shape, the same exit-code/structured-stdout output contract, and the same command-hook execution model — Codex's source even names the engine after Claude's and comments where it "intentionally diverges." So the two bridges would otherwise duplicate the bulk of the protocol. @@ -16,16 +14,16 @@ A new `packages/hooks/` group with `hook-protocol` as a pure library. It owns fo **Shared (here):** - **Matcher** — `matchesMatcher(pattern, query, mode)`. The ONE axis the dialects differ on is collapsed to the `mode` parameter: `claude` treats a pure `[A-Za-z0-9_|]+` pattern as a literal (pipe = exact-match alternation) and anything else as a regex; `codex` is always an unanchored regex. Match-all on absent/`''`/`'*'`; an invalid regex matches nothing (never throws into the loop). -- **Execution** — `runHook(bash, hook, options, now)`. Runs a command hook through the `ctx.bash` seam rather than a bespoke `spawn`: the executor already provides the scrubbed-but-overridable env, process-group kills, and timeout the protocol needs, and `dsh-bash`'s `stdin`/`env` fields (added in the bash-seam PR for exactly this) are the trusted-plugin surface an in-process bridge is allowed to use. It serializes the bridge-built payload to stdin (trailing newline iff CC), honors the hook's `timeoutSec`, and never throws (an executor rejection becomes a non-blocking-error `HookOutput`). -- **Decode** — `parseHookOutput(exit, stdout, stderr)`, the exit-code + structured-stdout codec, producing a dialect-neutral `HookOutput`. Exit `0` → lenient JSON parse of stdout; exit `2` → blocking error with `stderr` as the reason (surfaced as `decision: 'block'` so no caller needs a separate exit-code branch); other → non-blocking error. Parses the full CC superset (`continue`/`stopReason`/`suppressOutput`/`decision`/`hookSpecificOutput.{permissionDecision,additionalContext,updatedInput}`/`systemMessage`); the bridge honors only the subset meaningful for its dialect. +- **Execution** — `runHook(bash, hook, options)`. Runs a command hook through the `ctx.bash` seam rather than a bespoke `spawn`: the executor already provides the scrubbed-but-overridable env, process-group kills, and timeout the protocol needs, and `dsh-bash`'s `stdin`/`env` fields (added for exactly this) are the trusted-plugin surface an in-process bridge is allowed to use. It serializes the bridge-built payload to stdin (trailing newline iff CC), honors the hook's `timeoutSec` (else `DEFAULT_HOOK_TIMEOUT_MS`, the 10-minute reference default both dialects share), and never throws (an executor rejection becomes a non-blocking-error `HookOutput`). +- **Decode** — `parseHookOutput(exit, stdout, stderr)`, the exit-code + structured-stdout codec, producing a dialect-neutral `HookOutput`. Exit `0` → lenient JSON parse of stdout; exit `2` → blocking error with `stderr` as the reason (surfaced as `decision: 'block'` so no caller needs a separate exit-code branch); other → non-blocking error. Parses the CC structured-stdout fields that have a consumer on some path (`continue`/`stopReason`/`decision`/`hookSpecificOutput.{permissionDecision,additionalContext,updatedInput}`/`systemMessage`); the bridge honors only the subset meaningful for its dialect. Fields with no consumer on any path are not parsed at all (CC's `suppressOutput` — hook stdout never enters a transcript here, so there is nothing to suppress; see [the tighten-hook-protocol-contract RFC](../simplification/2026-07-04-tighten-hook-protocol-contract.md)). - **Merge** — `mergeHookOutputs(outputs)`, folding multiple matched hooks into one most-restrictive `MergedHookOutcome`: permission precedence **deny > ask > allow**, halt sticky on the first `continue:false`, block reasons joined `\n\n`, context/system-messages accumulated in order. -- **`hook/*` session events** — `hook/invoked` / `hook/result`, declaration-merged into `SessionEventMap` (log-only, like `compact/*` — NOT `SurfaceEventType`s), with `appendHookInvoked`/`appendHookResult` helpers so the invoked/result pairing and turn-enclosure stay consistent across bridges. +- **`hook/*` session events** — `hook/invoked` / `hook/result`, declaration-merged into `SessionEventMap` (log-only, like `compact/*` — NOT `SurfaceEventType`s), with `appendHookInvoked`/`appendHookResult` helpers so the invoked/result pairing and turn-enclosure stay consistent across bridges. `appendHookResult` also owns the durable record's semantics — the decision string (the hook's parsed decision, else `'stop'` on `continue:false`, else `'pass'`) and the 500-character `stderrSummary` truncation derive from the `HookOutput` here, not per-bridge. **Per-dialect (the bridge plugins):** building each event's stdin payload (CC's base+per-event field sets vs Codex's snake_case with `turn_id`/`model` extras), the dialect's env + `${CLAUDE_PLUGIN_ROOT}` substitution (CC) vs none (Codex), and mapping the neutral `HookOutput`/`MergedHookOutcome` onto the harness's seam-specific typed Decisions (`PreToolDecision`, `PromptDecision`, `ContinuationDecision`, `PostToolDecision`). -### Why "shared core + per-dialect adapters", not "one parameterized engine" +## Alternatives considered -A single engine parameterized by a full `dialect` descriptor was considered and rejected. The payload construction and decision mapping are where the dialects genuinely diverge (different field names, different supported outputs, CC's env/substitution); folding those into a data-driven descriptor would make the *bridge* logic indirect — a reader of `dsh-hooks-claude` would have to chase a descriptor to see what payload it sends. Keeping the truly-identical primitives shared (matcher, codec, runner, merge, events) and letting each bridge write its own straightforward payload+mapping keeps each bridge readable standalone, at the cost of a little duplication in the payload shape. The primitives are the part where duplication would actually be dangerous (a divergent matcher or exit-code rule is a correctness bug); the payload is the part where explicitness beats sharing. +**One parameterized engine.** A single engine parameterized by a full `dialect` descriptor was considered and rejected. The payload construction and decision mapping are where the dialects genuinely diverge (different field names, different supported outputs, CC's env/substitution); folding those into a data-driven descriptor would make the *bridge* logic indirect — a reader of `dsh-hooks-claude` would have to chase a descriptor to see what payload it sends. Keeping the truly-identical primitives shared (matcher, codec, runner, merge, events) and letting each bridge write its own straightforward payload+mapping keeps each bridge readable standalone, at the cost of a little duplication in the payload shape. The primitives are the part where duplication would actually be dangerous (a divergent matcher or exit-code rule is a correctness bug); the payload is the part where explicitness beats sharing. ## Consequences diff --git a/docs/rfc/implemented/feature/2026-06-30-interception-seams.md b/docs/rfc/implemented/feature/2026-06-30-interception-seams.md index 138fe975a1..5b2bb839b3 100644 --- a/docs/rfc/implemented/feature/2026-06-30-interception-seams.md +++ b/docs/rfc/implemented/feature/2026-06-30-interception-seams.md @@ -1,10 +1,8 @@ # RFC: Interception seams — the typed-Decision surface a hook programs against -Status: implemented (accepted 2026-06-30) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The harness needs a hooks subsystem: users extend or gate the agent at lifecycle points the way Claude Code (CC) and Codex do. The key reframe driving this design is that **"native hooks" are not a package** — a native hook is just an ordinary Cordis plugin subscribing to the canonical lifecycle events. So the real product is a *powerful, well-typed canonical event surface*; the CC/Codex bridges (the `dsh-hooks-claude` / `dsh-hooks-codex` packages) are merely translators that map an external shell-hook protocol onto that same surface. Anything a bridge can do, a plain plugin can do directly — more powerfully (no serialization boundary, full `ctx`, typed returns). @@ -38,7 +36,12 @@ Add/​reshape the interception seams so every one returns a small, seam-specifi ### What this PR does NOT do -It does **not** declare `hook/*` SessionEvents (the durable hook-invocation log) — those belong to the `dsh-hook-protocol` library, because a native plugin can already use the typed Decisions without a durable hook log. A worked native-plugin example/test in this PR (`packages/core/agent-loop/tests/interception.spec.ts`) proves all the seams compose end-to-end through the REAL loop with NO `hook/*` involved — the concrete proof that "native hooks are just a plugin". Compaction (`PreCompact`/`PostCompact`), the Notification hook, Codex `PermissionRequest`, the permission/`ask` system, and the Stop loop-guard remain deferred (`FIXME(permissions)` marks the `ask`→deny degrade). +It does **not** declare `hook/*` SessionEvents (the durable hook-invocation log) — those belong to the `dsh-hook-protocol` library, because a native plugin can already use the typed Decisions without a durable hook log. A worked native-plugin example/test in this PR (`packages/core/agent-loop/tests/interception.spec.ts`) proves all the seams compose end-to-end through the REAL loop with NO `hook/*` involved — the concrete proof that "native hooks are just a plugin". Compaction (`PreCompact`/`PostCompact`), the Notification hook, Codex `PermissionRequest`, and the Stop loop-guard remain deferred; the permission/`ask` system has since landed as the [approval seam](2026-07-06-approval-seam.md), whose `ctx.approval` services the `ask` this PR shipped degraded to deny. + +## Alternatives considered + +- **Shipping pre-tool INPUT rewrite as part of this seam set** — deferred as the over-reach signal; the section above carries the consistency problem (audit, history, and presentation all read `tool/call.arguments` logged before execution), and [the pre-tool input-rewrite proposal](../../proposed/feature/2026-06-30-pre-tool-input-rewrite.md) owns the design. +- **Declaring the durable `hook/*` SessionEvents alongside the seams** — rejected: a native plugin uses the typed Decisions with no hook log at all (the worked example proves it), so the durable log belongs to [the hook-protocol library](2026-06-30-hook-protocol-lib.md), not the seam surface. ## Consequences diff --git a/docs/rfc/implemented/feature/2026-06-30-session-store-fork-api.md b/docs/rfc/implemented/feature/2026-06-30-session-store-fork-api.md new file mode 100644 index 0000000000..bf366afc02 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-06-30-session-store-fork-api.md @@ -0,0 +1,41 @@ +# RFC: SessionStore fork API + +Status: implemented + +## Problem + +The event-sourced session log already has the primitive a fork needs: create a new session with a seed event prefix, then derive model history from that seeded log exactly as replay does. That primitive is intentionally low-level: `ctx.sessions.create(id, { seed, meta })` accepts any valid seed, but ordinary live-session branching needs policy around which prefix can be copied, which metadata is stamped on the child, and how errors are classified. + +The semantic hazard is the fork boundary. A valid user-visible fork seed must be contiguous and turn-enclosed. Forking inside an active turn would copy an open `turn/start`, possibly an open `step/start`, and possibly dangling tool calls. That violates turn-enclosure and provider-transcript invariants, and it creates a misleading child history that appears to have participated in an unfinished parent turn. The existing [subagent seam](../../implemented/feature/2026-06-21-subagent-capability-seam.md) deliberately solves a different problem: tool-triggered subagent forks usually happen while the parent turn is open, so `dsh-subagent-fork` clips the seed to the parent's last completed-turn prefix. A general session fork should not silently clip; it should either fork the requested boundary or reject it. + +## Decision + +`dsh-session` owns ordinary live-session forking directly on `ctx.sessions`. There is no separate `dsh-session-fork` package or `ctx.sessionFork` service: the API has no independent backend, event vocabulary, lifecycle, or persistence behavior, and all durable work delegates to the existing session store and persistence backends. + +The store exposes one operation: + +```ts ignore-check +type SessionForkSource = Session | SessionId + +class SessionStore extends Service { + fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId): Session +} +``` + +`boundary` is the inclusive source event `seq` to copy through. When omitted, it defaults to the source session's current last event; on an empty source, omitted `boundary` creates an empty child. Fork-specific validation only checks that the requested boundary exists and is a `turn/end`. The selected prefix is then deep-cloned into the child seed. The child inherits the source session's `cwd`, stamps `parentSession` to the source id, and sets `seedLength` to the copied prefix length. When `childSessionId` is omitted, `SessionStore` generates one using its existing id policy. + +The boundary rule is structural: an empty selected prefix is forkable, and any non-empty selected prefix must end at `turn/end`, regardless of the turn-end reason (`completed`, `aborted`, `error`, `disposed`, `max-tokens`, `interrupted`, or a future merge-extensible reason). A boundary that is not an existing event seq, is not a safe integer, or does not point at `turn/end` is rejected with a typed `SessionForkError` code. Broader session-log sanity remains in the existing invariant/repair layers: `dsh-invariants` checks turn enclosure and richer event ordering in dev, while persistence repair handles the valid crash-tail case of a final interrupted turn. The API also classifies non-live source ids (`SESSION_NOT_FOUND`), stale `Session` object references whose id is live on a different instance (`SESSION_NOT_LIVE`), duplicate requested child ids (`SESSION_ALREADY_EXISTS`), and invalid boundary values (`INVALID_BOUNDARY`). + +## Alternatives considered + +**Separate `ctx.sessionFork` service.** This was the first implementation, but review showed it overfit the capability-seam pattern. The code had no swappable backend, no extra event surface, no independent ownership lifecycle, and no durable behavior beyond `ctx.sessions.create({ seed, meta })`. Keeping a separate package would make callers discover and install a second service just to perform policy around a session-store primitive. + +**Two functions: `snapshot()` plus `fork()`.** This preserved a reusable seed/metadata computation, but the only supported consumer created a session immediately. It also made the surface feel more abstract than the concrete operation users need. A single `fork()` with an explicit `boundary` keeps the API direct while still supporting previous-point forks. + +**Silently clip open turns to the last completed boundary.** That is correct for `dsh-subagent-fork`, where delegation often starts while the parent turn is open and the child should inherit only the completed prefix. It is wrong for ordinary user/session branching because it hides that the requested fork point was not actually a valid boundary and silently drops the parent turn tail. + +## Consequences + +The public surface stays small and discoverable: live session branching is part of `ctx.sessions`, next to `create({ seed })`, rather than a standalone service or a two-step helper pair. Persistence continues to work through existing `session/created` and `session/flush` behavior: a forked child starts life with seeded events, so existing backends persist that seed once and preserve `parentSession` / `seedLength` in the header. + +The v1 scope still excludes ACP `session/fork`, unloaded persisted-session forking, model-facing tools, and subagent refactors. If a future ACP method is added, it should advertise the capability only after it has transcript/snapshot coverage; this RFC adds no editor-facing updates, so no ACP snapshot is required now. Fork-child replay remains covered by the existing [seed-boundary testing RFC](../../implemented/testing/2026-06-22-fork-child-replay-seed-boundary.md), while this API gets focused `dsh-session` unit tests plus JSONL persistence coverage. diff --git a/docs/rfc/implemented/feature/2026-06-30-subagent-observe-enrich.md b/docs/rfc/implemented/feature/2026-06-30-subagent-observe-enrich.md index b67ede3ab6..f3b1c9bfb6 100644 --- a/docs/rfc/implemented/feature/2026-06-30-subagent-observe-enrich.md +++ b/docs/rfc/implemented/feature/2026-06-30-subagent-observe-enrich.md @@ -1,17 +1,8 @@ # RFC: Subagent lifecycle enrichment — lastAssistantMessage (observe-only) -Status: implemented (accepted 2026-06-30) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> -<!-- An earlier draft also added an `agentType` subagent-kind label (the harness - analogue of CC's `subagent_type`) to the request + both lifecycle payloads. - It was dropped in review: it is a Claude-Code concept that does not fit our - own seam (nothing here interprets it, and the only consumer was a CC-dialect - bridge). The CC bridge instead feeds Claude Code's own default matcher value - `"general-purpose"` for its SubagentStart/Stop `agent_type` matcher. So this - RFC ships ONE enrichment: `lastAssistantMessage`. --> - -## Context +## Problem The hooks subsystem ([interception seams RFC](2026-06-30-interception-seams.md)) lets a plugin observe and gate the agent at lifecycle points. Claude Code and Codex both expose **SubagentStart / SubagentStop** hooks, and CC's carry the subagent's final message. The harness already emits `subagent/start` and `subagent/end` lifecycle events ([the subagent capability-seam](2026-06-21-subagent-capability-seam.md)), but their payloads were minimal (`provider`, `id`, and on end `stopReason`) — not enough for a hooks bridge to report WHAT a subagent produced without separately reaching for the live run. @@ -23,6 +14,12 @@ This RFC enriches the end payload. It is deliberately **observe-only**: no contr Both events stay plain **`emit`s**. `subagent/end` fires from a detached `.then` on `run.result` and awaits no listener, so it is genuinely observe-only by construction — a `subagent/start` listener can still reach the live child via `ctx.agents.get(info.id)` and `inject()` into it; a `subagent/end` listener can only observe (the run has settled). Per-listener containment (already in place) keeps one bad subscriber from stranding a live run or surfacing as an unhandled rejection on the detached settle hook. +## Alternatives considered + +**An `agentType` subagent-kind label** (the harness analogue of CC's `subagent_type`) on the request + both lifecycle payloads — an earlier draft shipped it; dropped in review because it is a Claude-Code concept that does not fit our own seam (nothing here interprets it, and the only consumer was a CC-dialect bridge). The CC bridge instead feeds Claude Code's own default matcher value `"general-purpose"` for its SubagentStart/Stop `agent_type` matcher, so this RFC ships ONE enrichment: `lastAssistantMessage`. + +**A control-flow `subagent/end`** — deferred; see below. + ## Why observe-only, and what is deferred A control-flow `subagent/end` (an awaited waterfall returning a stop/continue decision, like the other interception seams) would require: reshaping `subagent/end` from emit to waterfall, restructuring `SubagentService.start` to await listeners before settling, and implementing the `resume` capability in the in-process provider so a "continue" can actually re-run the child. That belongs to the background/steering subagent redesign the [capability-seam RFC](2026-06-21-subagent-capability-seam.md) already defers (the same redesign that unifies long-running-tool handling across subagents and bash). This RFC ships the observe-only enrichment a hooks bridge needs today; `FIXME(subagent-continuation)` / `TODO` anchors mark where the control-flow version would land if and when that redesign happens. diff --git a/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md new file mode 100644 index 0000000000..2f711651f6 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md @@ -0,0 +1,66 @@ +# RFC: Dynamic workflows — a script-driven multi-agent orchestration seam + +Status: implemented + +## Problem + +The harness can delegate ONE task to ONE child (`dsh-tool-subagent`), but work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — forces the model to orchestrate turn by turn: every intermediate result lands in the parent context, the plan lives nowhere durable, and coordination costs a model round-trip per step. Claude Code ships this capability as [dynamic workflows](https://code.claude.com/docs/en/workflows): the model writes a JavaScript orchestration script, a runtime executes it, and the script — not the conversation — holds the loop, the branching, and the intermediate results. + +## Decision + +A workflow capability family at `packages/workflow/` in the bash seam shape (interface / implementation / consumer), plus the structured-output foundation it needs on the subagent seam. + +### The script contract (Claude Code-compatible) + +A workflow call is two parts: a `meta` JSON parameter (the identity block — `name`, `description`, optional `whenToUse`/`phases`; the field vocabulary matches Claude Code's meta block) and a `script` — a plain-JS body with top-level `await`, ending in `return <json-value>`. Meta is DATA, never code: the engine shape-validates it and evaluates no script text to obtain it (a body still opening with a CC-style `export const meta` statement is rejected with a pointed message). The body sees exactly: `agent(prompt, {label, phase, schema, model})`, `parallel(thunks)`, `pipeline(items, ...stages)` (NO cross-stage barrier; `(prev, item, index)` callbacks), `phase(title)`, `log(message)`, and `args`. CC semantics are preserved where they matter to script authors: a failed child resolves `null` (scripts `.filter(Boolean)`); an ordinary stage throw nulls the ITEM and skips its remaining stages. CC's determinism bans (`Date.now()`/`Math.random()`/argless `new Date()` throwing) are NOT enforced — they exist for CC's journaling/resume, which this cut defers — so a CC-authored BODY runs unchanged (its meta header moves into the parameter) while scripts written here may freely read the clock. + +One deliberate strictness DIVERGENCE from CC: hook misuse — unknown or deferred options (`effort`/`isolation`/`agentType`), malformed arguments, schemas outside the supported subset, tripped caps, seam start failures — throws a `WorkflowError` with `fatal: true`, and the combinators RE-THROW fatal errors instead of nulling the item. Without this, a typo'd option dissolves into a `null` indistinguishable from a child failure — the accepted-then-ignored failure mode this repo bans. One addition: the tool's `args` parameter is a JSON OBJECT (a bare list is wrapped as a field) so the wire schema stays honest. + +### The seam (dsh-workflow) + +`ctx.workflows` is an abstract `WorkflowService` in the bash shape — one engine per context, no named-provider registry (engines are deployment swaps, not co-residents). `start(request)` throws synchronously for a script that cannot begin; a returned `WorkflowRun`'s `result` NEVER rejects (failures resolve as `stopReason: 'error' | 'cancelled'`). The `workflow/*` events are observe-only emits carrying DATA SNAPSHOTS (id + meta; `workflow/end` omits the result value), per-listener contained, mirroring `subagent/start`/`subagent/end` — control stays with the run's holder. Vocabulary details: [core-data-structures/workflow.md](../../../core-data-structures/workflow.md). + +### The engine (dsh-workflow-workerthread): one worker thread per run + +**Trust premise (governs every engine decision below)**: workflow scripts are MODEL-WRITTEN — the same trust level as the model's existing bash access — so the engine defends against BUGGY scripts, never hostile ones. In scope: `result` never rejects, no unhandled rejections from dropped hook promises, loud rejection of values JSON cannot carry, fatal-vs-null hook discipline, cancellation that always frees the caller. Out of scope, deliberately: adversarial values (throwing/spinning accessors, proxies with hostile traps, prototype forgery, `prepareStackTrace` hijack) AND Node-API escape from the script's context — the vm context shares object machinery with its surrounding realm, so a script can reach the `Function` constructor (`globalThis.constructor.constructor`) and from it `process` and every Node builtin; the absent globals are API surface, not containment, and a worker thread is NOT a security boundary (an escapee holds process-wide privileges — Node's permission model is per-process). Worker-side code MAY run script code while reading script values, and that is accepted: a synchronous spin costs the script its OWN thread (terminated at the post-cancel grace), never the host loop, so containing error VALUES would be cost without a threat model. Genuine sandboxing (isolated-vm, a separate process) remains an engine swap behind the seam, not incremental defenses here. + +**Why node:worker_threads**: one run = one worker thread, no pooling — a run is heavyweight (many children), so thread spin-up (~tens of ms) is noise. The script runs in a vm context INSIDE the worker, keeping the script-visible surface exactly the hook contract above (a bare worker realm would leak `setTimeout`/`fetch`/`process` as accidental API), and every `agent()` bridges to `ctx.subagents` by message-port RPC — children are I/O-bound LLM loops and stay on the host loop; the thread isolates the SCRIPT, the only part that can spin. What the thread buys: `start()` never blocks the host (an in-process engine runs the initial synchronous slice inline and cannot kill a spin past the first await — it could only ABANDON such a script, leaving the spin on the host loop), the post-cancel grace ends in a REAL `worker.terminate()`, and the value boundary is serialization by construction. isolated-vm was rejected for actual sandboxing: maintenance mode, `--no-node-snapshot` on EVERY consumer process (including published bins) on Node ≥ 20, node-gyp source-build fallback. Key mechanics (details in the package README): meta shape-validation and a body pre-parse stay HOST-side (preserving the seam's synchronous throws), a ready→go handshake keeps a run cancelled before start from ever executing the body, `cancel()` drives both child-cancel channels host-side (the shared request signal AND each child's explicit `cancel()` — a wedged worker cannot relay its own cancel RPCs), a host-side child registry backs worker-death reaping and `dispose()` quiescence, the wire protocol is enum-keyed payload maps private to the package, and on a termination path `agentsStarted` degrades to the host-observed count. Coverage puts the worker-side session on an in-process `MessageChannel` (real-Worker code is invisible to main-process v8) and proves the built `lib/worker.js` — a second tsdown entry, sanctioned in the workspace-constraints gate by the `"./worker"` subpath export — under plain node in the built-bin smoke gate. + +**Meta as data, never evaluated**: the meta block reaches the seam as a plain JSON request field (the tool's schema-validated `meta` parameter) and the engine only shape-validates it, every violation named. This is a host-isolation invariant, not a convenience: evaluating a meta literal host-side — even one contractually "pure", in an empty timed vm context — hands script-controlled getters a host stack with no timeout the moment the result is READ, defeating the exact spin isolation the worker thread buys. + +**Value boundary**: values leaving the script (meta, hook options, schemas, the return value) go through `materializeFromRealm` — a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying via `Object.defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation; getters are read ordinarily and their RESULT crosses (a throwing read fails loud) — which is also what makes every later postMessage hop total. Values entering the realm (`args`, `agent()` results, hook promises and failures, combinator arrays) are handed over directly as worker-realm values — the script is trusted, so outer prototypes are not a leak; `args` rides the `workerData` structured clone (the caller-isolation copy) and is cloned once more so a script scribbling on it cannot mutate the session's init object. Hook failures are `WorkflowError`s built OUTSIDE the script's context: the combinators recognize fatality by `instanceof` against the engine's own class (unforgeable from the script), and the script-visible consequence — in-script `instanceof Error` is `false` for hook errors; branch on `e.name`/`e.code` — is documented in the engine README. Realm functions (stages, thunks) are called, never materialized. Thrown script values are rendered by a total renderer (stack → message → `String()`, fixed label if rendering throws), so `result` cannot reject. Caps (`maxConcurrentAgents` auto = `min(16, max(1, availableParallelism() - 2))`, `maxTotalAgents` 1000, `maxItemsPerCall` 4096) and timeouts are validated Config, not literals. + +### The consumer (dsh-tool-workflow) + +A `workflow` tool mirroring `dsh-tool-subagent`'s synchronous shape: start, await, `try/finally` dispose, abort-bridge `exec.signal`, non-`completed` → `isError`. Render intent: a `generic` card titled by the call's `meta.name` parameter (presentation is a pure function of args). The tool description IS the model-facing authoring spec. The usage policy ships with the tool as its own `tool:<toolName>` prompt section (explicit-ask-only guidance — tool guidance lives in tool plugins, never in the deployment persona); the harness has no ultracode-style effort gate. + +### The foundation: structured output on the subagent seam + +`agent({schema})` needs `SubagentStartRequest.outputSchema` to actually work; it was vocabulary without an implementation (`outputSchema: false` everywhere). Implemented in `dsh-subagent-inprocess` for both in-process backends: a globally registered `structured_output` capture tool whose per-child schema is enforced by a `prepend: true` `system-prompt/assemble` listener doing FINAL-ASSEMBLY enforcement (post-processing `await next()` — cooperative mutation would not survive a downstream listener returning a replacement assembly; the calling instruction rides as a trailing prompt section, since `AgentOptions` carries no per-agent prompt field, and the loop logs the result as the step's `request/header`, keeping the injection reconstructable), a `prepend: true` `agent/turn-continuation` veto after capture (no wasted extra model step) plus a `tools/pre-execute` deny for calls arriving after the capture (terminal within the step, not only at its end), and validation-retry in-turn via `ToolArgsError`. The schema is `structuredClone`d at `start()` (caller mutation cannot drift enforcement). Deliberately NO re-prompt: a child that finishes cleanly without calling the tool settles `error` to the parent. Lifetime is refcounted by backends (plugin lifetime) AND live runs (start → settle). The seam's `outputSchema` type became the raw JSON-Schema SUBSET (`StructuredOutputSchema` in dsh-tools: single-string `type`, `properties`/`required`/`additionalProperties`, `items`, scalar `enum`/`const`; anything unenforced is rejected loud) — the schema travels verbatim to the model as the forced tool's parameters, so the wire format, not the author DSL, is the right vocabulary. + +## Deferred (documented non-goals of this cut) + +- **Background collection** (start tool → run id → completion notice → collect), designed alongside bash/subagent background unification. +- **Journaling + resume** (`resumeFromRunId`, cached agent() prefixes) — implementing it reintroduces CC's determinism bans as a script-contract tightening (scripts may read the clock today). +- **Saved/bundled workflows** (a `.deepseek/workflows/` registry, slash-command surface) and **script persistence to a run directory** (the tool-call event already records the script durably). +- **Nested `workflow()`**, **token `budget`**, and the `effort`/`isolation`/`agentType` agent options (each rejects loud with a message naming it deferred). +- **An overall run wall-clock timeout** — cancellation always frees the caller (result settles within the grace), so a cap on total run time is a policy knob for the background redesign, not a correctness need here. +- **Engine hardening beyond worker threads**: an isolated-vm or separate-process engine behind the same seam (actual sandboxing; memory limits). +- **ACP progress UI** over the `workflow/*` events (a `/workflows`-style view); the events exist for it. +- **ACP-backend structured output** and **`toolFilter`** (both still capability-gated `false`). + +## Alternatives considered + +- **Hostile-value containment in the host** (trap-free proxy rejection, accessor-never-invoked descriptor walks, realm-side pre-rendering of thrown values, realm-built promises/arrays/error clones with structural fatal recognition): an earlier revision built all of it, and review showed the cost was real while the threat model was not — every one of those defenses guards against an author the premise already trusts. Removed in favor of the plain boundary above; the thread boundary makes such machinery redundant anyway (serialization by construction). +- **In-process `node:vm` execution** (the first cut of this RFC shipped it): mechanically simplest — no RPC, no thread — but `start()` blocks the caller for the script's initial synchronous slice, a synchronous spin past the first await cannot be killed in-process (the vm `timeout` covers only that first slice), and `dispose()` could only ABANDON an unsettling script, leaving the spin on the host loop. Superseded by the worker-thread engine, which keeps the same vm-context script surface while unblocking the host and making termination real. +- **Background execution as the default** (CC's shape): deferred; foreground-synchronous matches `dsh-tool-subagent`'s cut, and background semantics should be designed ONCE across bash/subagent/workflow rather than per-tool. +- **Workflow-layer JSON parsing for `agent({schema})`**: duplicating a seam concern at one consumer while the seam's capability flag stayed dishonestly `false`. +- **Meta embedded in the script as `export const meta = {...}`** (CC's exact format; the first cut shipped it): keeps scripts self-contained and CC scripts drop-in, but obtaining meta means evaluating model-written text on the HOST — the shipped extractor ran the literal in an empty timed vm context, yet reading the RESULT still executed script-controlled getters on the host stack outside any timeout, re-opening the host-spin hole the worker thread exists to close. A JSON parameter deletes the scanner, the evaluation, and the hole outright; the cost is that a CC script's meta header must move into the parameter (the body stays drop-in). +- **`SchemaSpec` as the outputSchema type**: the author-facing DSL cannot express what arrives as data and cannot be validated against without conversion loss. +- **A schema-object library (zod, or the repo's schemastery) for the structured-output subset**: the schema is wire data — plain JSON that crosses the vm realm boundary in `agent({schema})` and lands verbatim in the forced tool's parameters — exactly where live schema objects cannot sit; consuming raw JSON Schema at runtime would need a third-party converter on top (zod core only emits JSON Schema, not the reverse), and it would put a second schema language beside schemastery's config role. +- **ajv for value validation**: it validates FULL JSON Schema, so the subset gate — the module's actual point, since every accepted keyword must be one the harness enforces — would remain hand-written regardless; it compiles validators through `new Function`; and it would be dsh-tools' first runtime dependency, all to replace the ~70-line value walker while the path-qualified, every-violation error reporting stays custom either way. +- **Provider JSON mode (`response_format: {type: json_object}`) instead of the forced capture tool**: the official API guarantees valid JSON, not schema-conforming JSON (no `json_schema` type; the docs' own guidance is to validate client-side, with the schema riding in the prompt), so both walkers survive untouched and only the capture-tool mechanics could go — at the cost of tools during a structured child's run (whether `response_format` composes with tool calling is undocumented), the in-turn validation retry (`ToolArgsError` keeps recovery inside the turn; a JSON-mode empty body — a documented failure mode — ends the turn, and the only recovery is the re-prompt loop this design rejects), and a new per-adapter `LlmCallConfig` surface. The accepted upgrade path is strict TOOL schemas (provider-side constrained decoding on tool parameters) when available: the same forced tool and subset gate, with the gate narrowed to the provider's strict subset. + +## Consequences + +The harness gains CC-compatible script orchestration: fan-out plans live in a rerunnable artifact instead of the parent context, and the structured-output half of the subagent seam is now real (the vocabulary stopped lying about `outputSchema`). What it cost, all bounded by the trust premise: a worker thread per run (~tens-of-ms spin-up), every hook crossing a message port as RPC, and a termination-path `agentsStarted` that degrades to the host-observed count; in exchange `start()` never blocks the host, a post-cancel grace ends in a real `worker.terminate()`, and the value boundary is serialization by construction. A worker thread is still NOT a security boundary — scripts share the model's trust level, and actual sandboxing names its exit (the isolated-vm/separate-process engine swap behind the seam). The fatal-vs-null strictness divergence from CC means a CC-authored script that RELIES on option typos dissolving to `null` behaves differently here — judged worth it to keep the repo's no-accepted-then-ignored rule. Consumers must hold the run handle for control (`cancel`/`dispose`); observers get data snapshots only, so no listener can extend a run's lifetime or corrupt another's view. diff --git a/docs/rfc/implemented/feature/2026-07-05-skill-system.md b/docs/rfc/implemented/feature/2026-07-05-skill-system.md new file mode 100644 index 0000000000..b3007529cd --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-05-skill-system.md @@ -0,0 +1,53 @@ +# RFC: Skill system — progressive disclosure instructions for agents + +Status: implemented + +## Problem + +Agent products have converged on a skill pattern: keep the request prompt small by listing only available instruction bundles, then load the full body when the model decides a task matches. Codex, Claude Code, OpenCode, and Kimi Code differ in details, but all separate discovery metadata from complete instructions so a workspace can carry reusable behavior without paying the full prompt cost on every turn. + +DeepSeek Harness uses the same primitive so project-specific review, plugin-authoring, and tool-usage guidance lives next to the workspace or the user's agent configuration instead of being hard-coded into the loop. + +## Decision + +`@deepseek-ai/dsh-skill` is the pure provider registry (`ctx.skills`), `@deepseek-ai/dsh-skill-local` is the shipped local filesystem provider, and `@deepseek-ai/dsh-tool-skill` owns the session-prefix catalog and model-facing loader tool. `dsh-agent-core` loads the registry, local provider, and consumer by default so stdio and ACP apps get the same behavior while embedded or remote providers contribute skills without changing the registry or consumer. Its `skills` config forwards `registry`, `local`, and `tool` branches to those owners. + +Provider plugins register synchronously during `apply()`. Provider catalogs return ranked candidates from awaited `list()` calls, where remote providers perform initialization, authentication, and discovery while honoring the lookup abort signal. The registry validates each candidate, resolves same-name skills first-wins by rank, provider registration order, and provider-local order, then sorts summaries by skill name for deterministic consumers. It caches only completed catalog snapshots and retries when a provider/runtime revision changes during discovery, so an unload cannot freeze a stale, unresolvable skill into a session prefix. Runtime `ctx.skills.register(...)` remains a convenience for embedded in-process skills and uses project-over-user priority; `runtime` is reserved as the registry-owned provider name. + +The local provider scans cwd-sensitive project roots, custom roots, and user roots in first-wins rank order: project `.dsh`, project `.agents`, `customSkillDirs`, user `.dsh`, then user `.agents`. The user `.dsh/skills` scan skips `.system` so a system-owned directory is not treated as normal user content. DeepSeek Harness does not ship built-in system skills; embedded or remote providers supply additional skills when configured. + +Each skill is either `<name>/SKILL.md` or `<name>.md` with YAML frontmatter. `name` and `description` are required; `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names are kebab-case. YAML frontmatter is parsed with the `yaml` package instead of `js-yaml` or a hand-written parser: `yaml` is the already-declared modern parser for this package's limited frontmatter needs, and a narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. + +Local skill filesystem I/O goes through `ctx.fs` when a filesystem service is loaded: project-root lookup probes `.git` with `resolve` and `stat`, root discovery uses `listDir`, and skill reads use `readText`. The Node filesystem remains a fallback for minimal contexts that mount `dsh-skill-local` without the fs seam. Missing roots, unreadable or malformed skill files, and transient provider `list()` failures degrade to warn-and-skip so one bad source does not make every agent request fail; malformed candidates still fail fast because they are provider contract violations. + +`dsh-tool-skill` contributes one user-role `<system-reminder>` catalog through [`agent/session-prefix`](2026-07-07-session-prefix.md). The catalog contains sorted skill name and description only; it excludes bodies, paths, sources, providers, and routing hints. Descriptions are whitespace-normalized, XML-escaped, and capped by `catalogDescriptionMaxLength`, whose default is `500` and minimum is `3`. The session-prefix seam freezes the request-only catalog per loop instance and records it in the request header, preserving reconstructability without adding it to durable history. Full skill bodies are never included in the catalog. + +The `skill({ name })` tool loads one full skill for the current agent cwd and returns a tool result containing `<skill_content name="...">`, `<skill_resources>`, and `<skill_instructions>`. `resourceBase` supplies a directory, URL, or opaque provider-managed base for explicitly referenced scripts, references, and assets; resources load only as needed, without directory enumeration. An unresolved name reports that the skill is unknown or no longer available; invalid names and skills marked `disableModelInvocation` retain distinct tool errors. The tool result is the model-visible disclosure path. + +The data structures and catalog/tool contract are documented in [skills.md](../../../core-data-structures/skills.md), with service signatures in the generated [services catalog](../../../cordis-catalog/services.md). + +## Alternatives considered + +**Inject full skill bodies into every system prompt.** Rejected because it destroys progressive disclosure and makes every request pay for instructions that may not apply. + +**Expose skills only as slash commands.** Rejected because model-initiated loading is the core capability; slash/ACP command advertisement does not change discovery. + +**Put local filesystem scanning directly inside `ctx.skills`.** Rejected because coding agents, web agents, and future plugin ecosystems need different skill sources. A provider registry mirrors the subagent seam: the registry owns conflict resolution and consumers, while implementations own loading. + +**Use a system-prompt section.** Rejected because the rendered system prompt is a single string, while the catalog is a user-role `<system-reminder>` message with request-only lifecycle requirements. [`agent/session-prefix`](2026-07-07-session-prefix.md) is the selected mechanism: it places the catalog ahead of derived history and records the composed message in the request header. + +**Materialize built-in DSH authoring skills under `~/.dsh/skills/.system`.** Rejected because bundled skills do not write user home on startup, and embedded or remote providers supply configured skills. + +**Recursively discover nested `**/SKILL.md`.** Rejected. Flat files and one-level directory bundles cover the configured roots while keeping duplicate handling and catalog order easy to reason about. + +**Hand-parse frontmatter.** Rejected because the accepted schema includes an open `metadata` object. A narrow parser would either reject valid YAML users expect to work or grow into an unreviewed YAML subset. + +## Consequences + +The agent-core spine includes one session-prefix contributor, one local provider, and one model-facing tool. Skill discovery is cwd-sensitive, so callers that create agents with different session cwd values can observe different project skill overrides by design. + +The catalog is deterministic for a fixed root set and runtime registration revision, but disk changes are not watched; discovery is memoized until runtime registration invalidates the cache or the process restarts. + +## Deferred + +Forked skill contexts (`context: fork`), direct user/slash invocation (`user-invocable`), parameter declarations and hints (`arguments` and `argument-hint`), and per-skill tool constraints (`allowed-tools` and `disallowed-tools`) are outside the shipped contract. The registry, local provider, and model-facing tool do not parse, advertise, or enforce these fields. diff --git a/docs/rfc/implemented/feature/2026-07-06-approval-seam.md b/docs/rfc/implemented/feature/2026-07-06-approval-seam.md new file mode 100644 index 0000000000..eddb3ba733 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-06-approval-seam.md @@ -0,0 +1,141 @@ +# RFC: The approval seam — one-shot permission decisions over a waterfall of answerers + +Status: implemented + +## Problem + +Two callers need to put one question — "may this specific action proceed?" — to a human, and neither has a channel. `tools/pre-execute`'s `ask` decision (produced today by the Claude-Code hook bridge's `permissionDecision: ask`) degrades to deny because nothing services it. The [sandbox RFC](2026-07-06-sandbox.md)'s escalation phase needs the same channel for its post-denial one-shot retry. Without a shared seam, each would invent its own outcome vocabulary, UI routing, cancellation, and audit trail — and a deployment with no UI at all needs a guarantee that an unanswerable question can never grant anything. + +The routing problem is ownership: an approval prompt must reach the editor session that owns the asking agent (the ACP bridge multiplexes N sessions over one connection), fail closed for agents nobody owns (in-process subagents, tests), and stay out of deployments that compose no UI (headless, CI). + +## Decision + +One package, `dsh-user-approval` (`packages/ui/user-approval`), owning the vocabulary and the `ctx.approval` service — the MECHANISM. The POLICY — who answers, and whether a session is asked at all — lives outside it: answerers are `approval/request` waterfall listeners registered by the plugins that own the channel (the ACP bridge; future terminal UIs; test scripts), and a per-session policy tier can decide before any human is involved. Consumers (`dsh-tools`' ask routing, the sandbox escalation gate) resolve a question to a closed outcome and derive their own tool results from it. Deliberately ONE package, not the capability-seam three (see Alternatives). + +### How a deployment uses it + +One `cordis.yml` entry mounts the seam; not loading it is the opt-out — consumers degrade to their historical fail-closed behavior with zero approval code registered: + +```yaml +- id: approval + name: '@deepseek-ai/dsh-user-approval' + # config: + # policy: never # deployment default for sessions without an override; 'ask' when omitted +``` + +The entry alone provides mechanism, not a channel: with no answerer composed, every ask resolves `unavailable` and the asking tool call denies — fail-closed needs no configuration. Composing the ACP app (`@deepseek-ai/dsh-acp-agent`, as in [the sandbox example](../../../../examples/sandbox-acp-agent/README.md)) completes the loop: its bridge registers an answerer that prompts the owning editor session via `session/request_permission`, so a hook's `ask` or an escalation request surfaces as a one-shot Allow/Reject prompt attached to the already-streamed tool call. `policy: never` is the unattended stance — every ask auto-rejects deterministically, stated in the system prompt, no human in the loop. `policy` is validated against the closed list at plugin load; anything else throws. + +What a composed deployment observes: `allowed-once` lets exactly that call proceed; rejection, dismissal, and channel absence deny with three distinct reasons the model can tell apart; every ask lands a durable `approval/asked`/`approval/decided` pair on the asking agent's session log; nothing about a grant persists past the call that asked. + +One ask under this composition, verbatim from the sandbox example's recorded `escalation-approved` scenario — the model requests a sandbox escalation, the gate asks, the bridge prompts the owning editor, the user clicks Allow once: + +``` +tool/call bash {"command": "printf 'escalated\n' > escalated.txt && cat escalated.txt", + "sandbox_permissions": "workspace-write", + "justification": "the user asked to write escalated.txt in the workspace"} +approval/asked {"toolName": "bash", "callId": "call_00_…", + "reason": "escalate sandbox to workspace-write: the user asked to write escalated.txt in the workspace"} + → session/request_permission {"toolCall": {"toolCallId": "call_00_…"}, + "options": [{"optionId": "allow-once", "name": "Allow once", "kind": "allow_once"}, + {"optionId": "reject-once", "name": "Reject", "kind": "reject_once"}]} + ← the user picks "Allow once" on the prompt the editor attaches to the streamed bash call +approval/decided {"outcome": "allowed-once"} +tool/result "escalated" — this one call ran under the wider mode; the grant died with it +``` + +The `escalation-rejected` twin ends in `{"outcome": "rejected"}` instead: nothing executes, and the model's result carries the asker's verbatim fail-closed text (`the user rejected escalating this command to "workspace-write"`). A hook's `permissionDecision: ask` rides the identical wire; only the asker and its deny texts differ (§ Ask routing in dsh-tools). Headless, the same request skips the prompt entirely and settles `unavailable`. + +### Design detail + +#### The seam: mechanism and policy split + +`ApprovalService.request(req)` always resolves to a closed `ApprovalOutcome` — `allowed-once` / `rejected` / `cancelled` / `unavailable` — and never rejects. The service is the mechanism: it dispatches the `approval/request` waterfall, races the request's `AbortSignal` (abort settles `cancelled`; a late answer is discarded, never double-audited), contains a throwing answerer as `unavailable`, normalizes a rogue non-vocabulary return to `unavailable`, and lands the log-only audit pair `approval/asked`/`approval/decided` (paired by the branded `ApprovalRequestId`) on the requesting agent's session log. Grants are one-shot by definition: `allowed-once` authorizes the single asked-about action, never a class of future ones, and the service stores nothing between requests. The one precondition: `request()` throws (before appending anything) when the agent's session has no open turn — the audit pair must be turn-enclosed, the turn being the durable log's commit/replay boundary (a bare event between turns is dropped as crash tail on reload); every shipped ask path runs mid-turn already, and idle asks are a deferred design. + +Answerers are the policy, and they are `approval/request` waterfall listeners. The waterfall buys exactly what the seam needs: with zero listeners the dispatch falls through to the caller-supplied default — `unavailable`, so fail-closed needs no configuration and no code in any deployment; a listener that recognizes the request's agent answers by returning an outcome without calling `next()` (the decision slot is single-occupancy, first answer wins — the same documented semantics as the `fs/write-intent` gate); a listener that does not recognize the agent MUST delegate via `next()` so another answerer or the default gets the question; and listeners dispose with their owning fiber, so an unloaded UI plugin degrades the next ask to `unavailable` instead of leaving a dangling channel. Registration order across sibling plugins is not load-order deterministic (the loader starts siblings concurrently), so a deployment composes ONE terminal answerer and reserves `prepend` listeners for decide-or-delegate gates. + +`ApprovalRequest` carries the asking `agent` (routes the question; receives the audit events), the `toolName`, the optional exact `callId`, the asker's human-readable `reason`, and the optional `signal`. The vocabulary is deliberately self-contained — it names the tool-call by the `CallId` brand from `dsh-llm` and never imports `dsh-tools` — because `dsh-tools` depends on `dsh-user-approval` (the ask routing) and a `ToolCallView` import would close a package cycle. It deliberately does NOT carry tool arguments: a UI answerer attaches the prompt to the already-streamed tool call via `callId` instead of re-rendering the call. + +#### Ask routing in dsh-tools + +`ToolRegistry.execute()` resolves an `ask` decision through the seam before the shared deny path: `allowed-once` proceeds to dispatch, and the three non-grants deny with distinct reasons — "the user rejected…", "…was cancelled", "…no approval channel is available" — so the model can tell a human "no" from an absent channel. The seam is consumed opportunistically (`ctx.get('approval')`, the `tool-bash`/`agent-loop` pattern), not statically injected: a deployment that composes no ApprovalService keeps the historical ask→deny degrade verbatim, an unmount mid-session degrades the same way on the next ask, and the registry's fiber never gates on the seam's presence. An agent-less execution also degrades — without an agent there is no session to audit to and no UI to route to. + +#### The per-session policy tier + +The seam also owns the session-scoped approval policy — the approval knob of the two-knob per-session switching design ([the sandbox RFC](2026-07-06-sandbox.md) § Per-session modes is the pattern's home: one log-only event per knob, a pure fold, THE write path, ACP config-option advertisement, and turn-anchoring). `ApprovalPolicy` is `'ask' | 'never'`, and `effectiveApprovalPolicy(events) ?? Config.policy` (default `'ask'`) decides every request BEFORE any interactive answerer: the service resolves a `'never'` session to `'rejected'` INSIDE `request()`, before dispatching the waterfall at all — no listener registration, including a later `prepend`, can sit ahead of it — while `'ask'` dispatches unchanged (fail-closed `'unavailable'` with nobody composed, exactly the prior behavior). Visibility follows the switching design's two layers with one asymmetry: the prompt section states ONLY `'never'` (deterministic, availability-independent — "you will be prompted" would overclaim in a composition with no answerer, and absence under a logged header is exactly how the narrator reads `'ask'` back), the narrator injects at most one coalesced notice per switch, and the audit pair still lands on every ask, including the policy's auto-rejections. + +#### The ACP answerer + +The bridge registers the first real answerer: it resolves the owning session through its existing `WeakMap<Agent, sessionId>` reverse map, issues `session/request_permission` with the request's `callId` as the `toolCall` reference and the one-shot options `allow_once`/`reject_once`, and maps the response — selected `allow-once` → `allowed-once`, any other selection → `rejected` (an unknown optionId from a non-conforming client never grants), client `cancelled` → `cancelled`. A request for a foreign agent — or one without a `callId`, since the protocol prompt must attach to a tool call — delegates via `next()`. A rejected RPC (client gone mid-prompt) propagates to the service, which contains it as `unavailable`. Whether a call ASKS at all is policy — a hook or `tools/pre-execute` plugin returning `ask` — never the bridge's own judgment. + +The reverse-map ownership seam [the ACP support RFC](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md) laid down is exactly what the answerer routes through, and per-session permission ownership (the blocker recorded in [the multi-session RFC](../../implemented/feature/2026-06-14-acp-multi-session.md)) is what it implements. + +#### Audit, and what the model sees + +`approval/asked` / `approval/decided` are log-only session events (the `hook/invoked`/`hook/result` precedent): durable, replayable, never in the model transcript. The model's entire view of an approval is the tool result the asker derives from the outcome — reconstructability holds because that result is an ordinary logged `tool/result`. One `decided` per `asked`, whatever the outcome, including an already-aborted signal (settled `cancelled` without dispatching) and a contained answerer failure. + +#### Entities and dependencies + +One package, no cycles: `dsh-user-approval` peers on `cordis`, `dsh-session` (event-map merge + append), `dsh-agent` (the `Agent` type), `dsh-llm` (`CallId`, via `dsh-brand`). `dsh-tools` and `dsh-acp` each peer on it; the escalation phase's asker lives in `dsh-tool-bash` (see [the sandbox RFC](2026-07-06-sandbox.md) § Escalation), so the sandbox family keeps its ZERO-edge relation (the executor contributes the per-call override mechanism, and transport seams never ask humans questions). The seam is one package, not the capability-seam three: the service body (dispatch + audit) has no replaceable implementation — the replaceable part is the answerer listeners, and those live with their owners (the bridge; future terminal UIs; test scripts). `@cordisjs/plugin-capability` stays orthogonal (a static grant registry answers "is this already authorized", not "ask the user now"), and `subagent-acp`'s child-side `permission` auto-answer is untouched — routing a child's approvals to the parent session is deferred (§ Deferred). + +### Testing + +Unit tier: the service's outcome branches (fail-closed default, first-wins slot, delegation, containment, rogue-value normalization, abort-before and abort-during with late-answer discard, fresh ids, fiber-disposal degradation) and the policy tier (both values × dispatch/decide, a `'never'` decision unbypassable even by an answerer prepended AFTER the service, audit pair intact) in `dsh-user-approval`; the ask routing matrix (grant dispatches; three non-grant reasons pinned verbatim; unmounted and agent-less degrades; the registry's own exhaustiveness backstop against a non-conforming stand-in) in `dsh-tools`; the answerer (wire shape of the prompt, outcome mapping, unknown-option conservatism, foreign-agent and call-less delegation) driven through a real bridge + scripted client in `dsh-acp`. + +Snapshot tier: the harness accepts scripted permission answers (`permissionAnswers` in a scenario's `input.json`, consumed FIFO; an unscripted prompt answers `cancelled`, fail closed). The seam's wire is recorded end to end in the sandbox example's suite: both escalation branches drive `session/request_permission` through this seam over scripted answers (grant and rejection), and the recorded `mode-switching` scenario pins the `'never'` prompt sentence and the policy-switch notice ([the sandbox RFC](2026-07-06-sandbox.md) § Testing). + +## Deferred + +- **`allow_always` grant storage** — honoring a persistent grant means designing storage, scope identity (call? path? prefix? session? time window?), and revocation; until designed, only the one-shot options are advertised ([the sandbox RFC](2026-07-06-sandbox.md) § Escalation records the open scope question). +- **A recorded hook-driven `ask` scenario** — the wire is recorded via the sandbox example's escalation branches; the hook-producer variant stays on the unit tier and the hook matrix's `hook-cc-pretool-ask`, with its deny texts pinned verbatim there. +- **Routing a child agent's approvals to the parent session** — `subagent-acp`'s child today auto-answers its own `permission` requests; surfacing them to the parent's editor is its own design. + +## Alternatives considered + +- **A single registered provider instead of waterfall listeners** — rejected: a `registerProvider()` surface forces every composition question — allowlist pre-filters, external hook deciders, scripted test answers, a policy gate in front of a human — inside one provider implementation. The waterfall gets composition, fail-closed absence, and HMR disposal from machinery the runtime already has; the seam's JSDoc pins the single-decision-slot convention instead of inventing a provider registry. +- **[The ACP support RFC](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md)'s inline `tools/pre-execute` permission gate** — rejected, and superseded by this seam: prompting for every bridge-owned call hardwires the asking POLICY into the UI plugin, cannot serve a second asker (sandbox escalation happens after execution starts, with no pre-execute moment), and leaves hooks' `ask` — the vocabulary the interception seams already ship — unserviced. +- **A generic user-interaction seam (`ctx.userInteraction`) instead** — rejected: the two share a skeleton (route by agent, block for a human, handle absence), but approval's contract is narrower in every dimension that matters: a closed outcome vocabulary instead of free text, a protocol-native prompt attached to a tool call instead of a generic form, mandatory fail-closed absence, and audit events. The generic seam has since shipped (`packages/ui/user-interaction`, the `ask_user_question` tool over ACP elicitation) and approval deliberately still does not ride it — an elicitation form is not a permission prompt, and a free-text answer is not a closed outcome; sharing provider plumbing stays open if the two ever converge. +- **Static optional injection in `dsh-tools`** — rejected: the vendored cordis `Inject` type has no optional flag — the object form maps service names to intercept config, and a declared inject gates the fiber. `ctx.get('approval')` is the documented opportunistic-consumption pattern (the `tool-bash` owner-token lookup, the loop's persistence probe), reads presence per call, and degrades correctly across HMR without extra machinery. +- **The capability-seam three-package split** — rejected: interface/implementation/consumer fits a seam whose implementation is swappable (bash-local vs bash-sandbox). Here the service body is fixed mechanism and the variable part is listeners that live with their owners — splitting would manufacture an implementation package with nothing in it ("don't split preemptively"). +- **Offering `allow_always` now** — rejected: the protocol can express it, but honoring it means designing grant storage, scope identity, and revocation (§ Deferred). Advertising an option the harness cannot honor manufactures doomed grants. + +## Consequences + +What shipped pins — the suites in Testing hold each: + +- With an ApprovalService and an answerer composed, a hook's `ask` reaches a human and `allowed-once` dispatches the tool; every other outcome denies with its distinct reason. +- A `'never'` session auto-rejects every ask without prompting anyone, states the policy in its prompt, and narrates switches (the shared switching mechanics are pinned in [the sandbox RFC](2026-07-06-sandbox.md)). +- Every unanswerable path fails closed to `unavailable`: no service (degrade, verbatim historical text), no listener, a foreign or agent-less request, a throwing answerer, a rogue return value, a dead client connection. +- Every `request()` lands exactly one `approval/asked`/`approval/decided` pair on the asking agent's log, replayable, invisible to the model transcript. +- Prompts route per-session through the bridge's ownership map; one session's prompt can never reach another session's editor. +- A deployment that composes nothing new behaves byte-identically (the snapshot suite's goldens are unchanged). + +Costs and accepted limits: + +- **Two decide-eager answerers race for the slot.** Sibling-plugin listener order is not deterministic, so the seam cannot referee competing terminal answerers — mitigated by convention (one terminal answerer per deployment; `prepend` only for decide-or-delegate gates) rather than a priority mechanism the event bus does not have. +- **Production exercise rests on one composition.** `ask` has two producer families — the hook bridges through `tools/pre-execute`, and sandbox escalation through its own gate — with the wire recorded in the sandbox example's snapshot suite, so the seam's real-world coverage is that one composition until more deployments compose it. +- **Ownership keys on `Agent` object identity.** The answerer resolves sessions through the bridge's existing WeakMap; every current path hands the same object through the loop and the seams, but a future boundary that clones or proxies agents would make the bridge delegate and fail closed — safe, but silently UI-less — and would need session-id matching instead. + +## FAQ + +Behavioral and usage questions only — every "why not X?" design question lives in [Alternatives considered](#alternatives-considered), whose job is exactly that. + +- **What happens in a deployment with no answerer at all (headless, CI)?** Every ask falls through the empty waterfall to `unavailable` and the tool call denies with the "no approval channel is available" reason. Fail-closed is the zero-listener default, not a configuration. +- **Can a grant persist — "always allow this"?** No. `allowed-once` authorizes the single asked-about action and the service stores nothing between requests; `allow_always` is deliberately not advertised until grant storage is designed (§ Deferred). +- **What does the model see of an approval?** Only the tool result the asker derives from the outcome — the audit pair never enters the transcript. The three non-grant reasons are distinct, so the model can tell a human "no" from a dismissed prompt from a missing channel. +- **Who decides whether a call asks in the first place?** Policy producers: a hook returning `permissionDecision: ask`, any `tools/pre-execute` listener, or the sandbox escalation gate. The seam and the bridge only route and answer; neither injects its own judgment about what deserves a prompt. +- **What happens when the user dismisses the prompt, or the turn aborts mid-ask?** Dismissal maps to `cancelled` with its own deny text. An already-aborted signal settles `cancelled` without dispatching; an abort during the ask discards the late answer — one audit pair either way, never two. +- **What if the client answers with an option the harness never offered?** Any selection other than the offered `allow_once` maps to `rejected` — an unknown optionId from a non-conforming client can never grant. +- **How do subagents' approvals route?** An agent no answerer owns delegates through the whole waterfall and fails closed — in-process subagents are unanswerable today by design. `subagent-acp`'s child-side auto-answer is untouched; routing a child's asks to the parent's editor is deferred (§ Deferred). +- **What does `policy: 'never'` actually change at runtime?** The service resolves every ask for that session to `rejected` before dispatching any answerer (in-service, so no registration order can bypass it); the system prompt states the policy; switches are narrated at boundaries; the audit pair still lands for every auto-rejection. +- **What happens across a hot reload, or when the UI plugin unloads mid-session?** Answerers dispose with their owning fiber, so the next ask degrades to `unavailable` instead of hanging on a dead channel; remounting re-registers the answerer with no catch-up state. +- **Where does the user see what they are approving?** On the tool call itself: the prompt attaches to the already-streamed call via `callId` — arguments included — and adds the asker's human-readable `reason`; the request carries no argument copy of its own. + +## Prior art + +In-repo precedents this design copies or contrasts with: + +- The `fs/write-intent` gate (`packages/fs/fs/`) — the documented single-occupancy decision-slot waterfall semantics (first answer wins, delegate via `next()`) the answerer contract reuses. +- `hook/invoked`/`hook/result` — the log-only audit-pair precedent `approval/asked`/`approval/decided` follows; [the hook-bridges RFC](2026-06-30-hook-bridges.md) ships `permissionDecision: ask`, the first producer. +- [The interception-seams RFC](2026-06-30-interception-seams.md) — the `tools/pre-execute` `allow`/`deny`/`ask` vocabulary whose `ask` this seam services. +- [The ACP support RFC](../../implemented/feature/2026-06-14-acp-agent-client-protocol.md) — the `WeakMap<Agent, sessionId>` ownership seam the answerer routes through; [the multi-session RFC](../../implemented/feature/2026-06-14-acp-multi-session.md) — the per-session permission-ownership blocker this implements. +- The opportunistic `ctx.get()` consumption pattern (`tool-bash`'s owner-token lookup, the loop's persistence probe) — how `dsh-tools` consumes the seam without gating its fiber on it. diff --git a/docs/rfc/implemented/feature/2026-07-06-explicit-tool-order.md b/docs/rfc/implemented/feature/2026-07-06-explicit-tool-order.md new file mode 100644 index 0000000000..3604e70972 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-06-explicit-tool-order.md @@ -0,0 +1,49 @@ +# RFC: Explicit model-facing tool order + +Status: implemented + +## Problem + +The order of the tool list a model call carries — `request/header.tools` on the session log and `GenerateOptions.tools` on the wire — was an emergent artifact: the tool registry returns schemas in registration order, the system-prompt assembly concatenates providers in registration order, and the loop logged and dispatched the result verbatim. Registration order is plugin load order, and plugin load order is a race: the cordis loader imports every `cordis.yml` entry concurrently, so which tool plugin registers first depends on module-import completion timing. The plugin dependency relation cannot rescue this — it is a partial order under which independent tool plugins (e.g. `tool-subagent` vs `tool-todo`) are incomparable, so both interleavings are legal linearizations. This stopped being theoretical when a CI runner resolved the race differently from every recording machine: snapshot goldens pinned one permutation of `request/header.tools`, the `node 22.18` CI leg produced the other, and 5/5 snapshot tests failed on a diff that was pure array reordering. Tool order is part of the request bytes (prompt-cache stability, potentially model behavior) and, since the reconstructability contract, part of the durable session log — it must be a decision, not a residue. + +## Decision + +The system-prompt assembly owns the canonical model-facing tool order, exactly where it already owns section order. `toolOrder?: string[]` on `dsh-system-prompt` is the optional explicit policy: + +- A listed tool that is registered takes its listed position. +- A listed name with no registered tool is a configuration error. Shape errors (rest entry missing or duplicate names) fail from the service constructor; an unregistered name rejects every `assemble()` — the earliest moment the registered tool set exists to check against (tool plugins register after the service constructs), and the only universal one (registrations can change at any time; cordis has no "all plugins loaded" event). Under the shipped loop the first turn fails before any model request — see the consequences below for the exact blast radius. +- A registered tool absent from the list is inserted at the `'<unlisted-tools>'` rest entry (`TOOL_ORDER_REST`), in lexicographic name order among the other unlisted tools. +- No collected tool may use `TOOL_ORDER_REST` as its `ToolSchema.name`; the assembly rejects that reserved name before ordering. +- The list must contain the rest entry exactly once and no duplicate names. +- When `toolOrder` is unset, the canonical order is plain lexicographic name order (code-unit comparison, locale-independent), so determinism requires no configuration. + +The policy is applied where the list is born: `assemble()`, before the `system-prompt/assemble` waterfall. The assembly canonicalizes the tools it collects from providers the same way it sorts sections by their `order` field — on the initial assembly, killing the registration-order entropy at its source. Everything downstream inherits the order untouched: the waterfall, the loop's `EpochHeader`, the `request/header` event, the deep-frozen request, and the dev invariant's cross-check all see one deterministic list, with no new loop change. + +Scope is deliberately narrow: this fixes the REGISTRATION-ORDER race, not plugin behavior. A `system-prompt/assemble` listener may still add, remove, or rearrange tools — same as it may edit sections after their sort — and owns the determinism of what it emits; the waterfall contract already demands deterministic listeners (the reconstructability invariant would catch a listener that diverges between build and replay). + +Config plumbing follows the `persona` precedent, and `toolOrder` sits beside it: the app configs (`dsh-stdio-agent`, `dsh-acp-agent`) accept the key and forward it through `dsh-agent-core` (whose schema is the intersection of the owners' schemas) to the `SystemPrompt` child. One schemastery footnote is load-bearing: a schemastery array defaults to `[]`, but an omitted `toolOrder` must stay ABSENT (= lexicographic) rather than become an explicitly-configured empty list (invalid — it lacks the rest entry), so every schema on the chain forces the default to `undefined`. + +## Alternatives considered + +- **Registration order (the status quo)** — a concurrent-import race, host-dependent (the CI flake above), invisible in review. +- **A linearization of the plugin dependency graph** — the relation is partial and independent tool plugins are incomparable; the flake happened with the partial order fully satisfied. +- **Per-plugin `weight` on each tool contribution** — scatters the order across plugins yet still needs a global numbering convention nobody owns (the section `order` bands show that coordination cost being paid by hand). +- **Sorting in `ToolRegistry.schemas()` (the registry layer)** — equally deterministic, but the registry is a membership store consumed by more than the assembly; ordering is a prompt-composition concern, and the assembly already owns the composition policy for sections. +- **A `LlmService` config + `orderTools()` method the loop calls before logging the header** — works, but adds a public service method and a loop edit solely to apply a policy at a distance; every future request composer must remember the call. Canonicalizing where the list is born makes an unordered list unrepresentable, with zero new surface. +- **Normalizing inside `llm.stream()`** — runs after the header event is logged (the flake survives) and rebuilds the deep-frozen envelope, silently disarming the reconstruction invariant. +- **An exhaustive list (no rest entry)** — every newly loaded tool plugin would break boot; the mandatory rest entry keeps unlisted tools deterministic and their position explicit. +- **A boot-time validation pass (a `SystemPrompt.assertToolOrderSatisfied()` called by `dsh-app-boot` after `loader.await()`)** — would turn the misconfiguration into a startup death instead of a first-turn failure, but costs a public service method plus a structural coupling from the generic boot glue to one service, and cannot replace the assembly-time check anyway (embedded callers never run app boot; registrations change after boot). No existing event can host the check either: cordis v4 has no ready-like event, `loader/entry-init`/`internal/status` fire mid-load (racy against tool registration, the very entropy this RFC kills), and the agent lifecycle events are no earlier than the assembly. One enforcement point at `assemble()` was judged worth the later failure moment. + +## Consequences + +- Every assembly — and therefore every `request/header` event and model request — has a deterministic tool order on every host; the CI-vs-local golden flip is structurally gone. The default order is lexicographic, no longer registration order. +- `PromptAssembly.tools` itself is canonical, so every assembly consumer (the loop, waterfall listeners, any future prompt inspector) sees the model-facing order; provider registration order is observable nowhere downstream of the registry. +- The snapshot suite's single pinned request-header fixture (`text-turn`) carries the new canonical tool order; every other ACP snapshot keeps the header bulk scrubbed as `{{system}}`/`{{tools}}`, per the pinned-header design. +- A pure tool reordering between steps is representable only as a `request/header` `'fallback'` snapshot (the name-keyed `ToolsDelta` cannot express it); with a stable canonical order such reorders no longer occur in practice, so the fallback path stays a safety valve. +- The `toolOrder` key rides the app → `agent-core` → `SystemPrompt` forwarding chain, so deployments set it next to `persona` in the app config; `dsh-llm` and the agent loop are untouched. +- A misspelled or unloaded tool name in `toolOrder` fails the turn at prompt assembly, not the boot: the loop assembles inside the turn (after `turn/start`, before `step/start`), so the rejection reaches the turn's outer catch — the turn closes balanced with an `error` reason carrying the message, `agent/error` mirrors it, no step opens, no `request/header` is logged, no request reaches the adapter, and the agent returns to idle. Every turn fails identically until the config is fixed; the process itself stays up (matching the repo rule that explicit config references must not be silently ignored — the enforcement point is the assembly because no earlier universal moment exists). +- A tool provider that returns the reserved rest-entry name has the same prompt-assembly failure shape as an unknown listed name. This keeps the sentinel from becoming an ambiguous real tool and preserves the "never drops a tool" ordering contract. + +## Testing + +Unit tests on `dsh-system-prompt` pin the ordering semantics (lexicographic default, listed/rest placement, unknown-name rejection at assembly, reserved tool-name rejection, stable handling of shared names, provider-order independence), the pre-waterfall contract (listeners observe the canonical list; a listener-appended tool is not re-sorted), and each invalid-list rejection at load. Loop-level tests assert the `request/header` fold carries the canonical order for scrambled registration orders (identical across permutations), that a configured `toolOrder` reaches both the logged header and the dispatched deep-frozen request, that the frozen loop-built envelope survives to the adapter, and that an unregistered `toolOrder` name fails the turn with a balanced `error` `turn/end`, an `agent/error`, no step, no logged header, and no dispatched request. Forwarding is asserted at every level that exposes the key (`dsh-agent-core`, `dsh-stdio-agent`, `dsh-acp-agent`). The snapshot tier replays all scenarios while only the pinned `text-turn` header carries the full canonical tool list; non-pinning fixtures continue to compare through `{{tools}}`. diff --git a/docs/rfc/implemented/feature/2026-07-06-sandbox.md b/docs/rfc/implemented/feature/2026-07-06-sandbox.md new file mode 100644 index 0000000000..e3e740b31c --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-06-sandbox.md @@ -0,0 +1,225 @@ +# RFC: The subprocess sandbox — confinement seam, native runners, escalation, and per-session modes + +Status: implemented + +## Problem + +A coding agent needs this product path: bash subprocesses — and the hook commands that ride them — execute under a restricted file sandbox by default; if and only if the sandbox actually denies an operation, the model may request one user approval for that same operation and, once granted, retry it once with wider permissions. An every-tool boundary is deliberately NOT the claim: fs/web/todo execute in-process where an `execve` wrapper is meaningless (§ In-process tools), and the cross-family boundary is staged follow-up work (§ Deferred phases). Without a shared vocabulary, every tool reinvents approval fields, denial parsing, retry matching, and permission-state hints. + +The harness is an SDK, so confinement must be a capability developers COMPOSE: whether to sandbox, and which backend per platform, belongs in the leaf `cordis.yml` as a first-class entry — not inside one executor's private machinery. And the first-choice runner, `bwrap`, is unusable on exactly the hosts a sandbox matters most (minimal containers, disabled unprivileged userns, LSMs that deny `mount`), so a fallback runner has to ship with the SDK rather than be assumed on the host. + +Confinement alone leaves two gaps. A denial with no escalation path is terminal — the model can only give up, which pressure-cooks operators into configuring `workspace-write` or `danger-full-access` globally and defeats the sandbox. And the model-visible knobs (the sandbox mode, the approval policy) change over an agent's lifetime — an ACP user flips a per-session setting, an operator edits `cordis.yml` while the process is down — while the model must never act on a stale belief about them: what IS the state on every request, what changed while the agent lives, and what changed while nobody was watching all need answers. + +## Decision + +One seam, one per-platform chain of local backends, one consumer, and two levers on top: a per-call escalation path and per-session runtime modes. Everything below composes from the leaf `cordis.yml`; nothing touches `agent-loop`. The scope is deliberately bounded: the phases this RFC names but does not design — per-session workspace root, cross-family fs enforcement, the `subagent-acp` consumer, more environments, a Windows chain — are listed under § Deferred phases, each a follow-up design, not a config knob. + +### How a deployment uses it + +Three `cordis.yml` entries turn an unconfined coding agent into the sandboxed product path; [`examples/sandbox-acp-agent`](../../../../examples/sandbox-acp-agent/README.md) is this composition, live: + +```yaml +- id: sandbox + name: '@deepseek-ai/dsh-sandbox-local' # the per-platform runner provider (ctx.sandbox) +- id: bash + name: '@deepseek-ai/dsh-bash-sandbox' # the confined executor, replacing dsh-bash-local behind ctx.bash + config: + mode: read-only # the deployment default every session starts from + workspaceRoot: !!js process.cwd() # the boundary workspace-write may write under +- id: approval + name: '@deepseek-ai/dsh-user-approval' # the escalation gate's channel (the approval RFC) +``` + +The swap is invisible to every consumer of `ctx.bash`: the bash tools, hook commands, and background tasks run exactly as before, spawned through the wrapped argv the provider returns. Deleting the `sandbox` and `bash` entries and loading `@deepseek-ai/dsh-bash-local` instead is the opt-out — execution is unconfined again and the escalation fields vanish from the tool schema, because they are capability-gated on the mounted executor, not on configuration. Omitting only `approval` keeps confinement but fails every escalation closed with its own error text. + +Misconfiguration fails loud: `mode` outside the closed vocabulary is rejected at plugin load, and a host with no usable backend throws the structured `SANDBOX_UNAVAILABLE` — at `confine()` before the command ever spawns — rather than degrading to unconfined execution. `runnerCommand` on `dsh-sandbox-local` is the operator's explicit assertion of a bwrap-compatible runner (chain and probes skipped); it doubles as the deterministic fake-runner seam for keyless tests. + +What the model then experiences: denied file effects come back as result facts with a `[sandbox: file access denied under <mode> mode]` marker plus standing instructions not to retry around them; under a confining executor the schema offers `sandbox_permissions` + `justification` for the one-approval escalated retry (validated strictly wider than the session's effective mode at execution); the system prompt deliberately does NOT state the sandbox mode — the model learns the boundary from the marker (which names the mode) when it hits it, instead of preemptively refusing work a standing declaration discourages. What an ACP editor experiences: a `sandbox-mode` and an `approval-policy` config-option select per session (each advertised only when its knob is composable), switchable at runtime; a sandbox switch simply changes what subsequent commands may do, while an approval-policy switch to `'never'` is stated in the prompt and narrated. + +The product path, concretely (the escalation arc is verbatim from the recorded `escalation-approved` scenario; the denial leg is pinned on the real-kernel e2e tier): + +``` +tool/result … [sandbox: file access denied under read-only mode] ← the write RAN; the kernel refused it +tool/call bash {"command": "printf 'escalated\n' > escalated.txt && cat escalated.txt", + "sandbox_permissions": "workspace-write", + "justification": "the user asked to write escalated.txt in the workspace"} + → the editor is prompted on this very call (session/request_permission through the approval seam); Allow once +tool/result "escalated" — THIS call ran under workspace-write and its result facts say so; the session stays read-only +``` + +Reject instead and nothing executes: the result is the verbatim `the user rejected escalating this command to "workspace-write"`, and the teaching makes that final — no re-ask. + +### Design detail + +#### Grounding — verified against the code + +- Runtime OS subprocesses exist at exactly two sites: the `ctx.bash` seam's single spawn (`packages/bash/bash-local/src/run.ts`; hook commands flow through `ctx.bash`, so bash confinement covers them transitively) and `subagent-acp`'s child agents (`packages/subagent/subagent-acp/src/run.ts`) — the second consumer that makes a shared seam due rather than preemptive under the [capability seams RFC](../architecture/2026-06-13-capability-seams.md)'s "don't split preemptively" rule. +- Everything else executes inside the harness process (fs is in-process `node:fs`, web is in-process `fetch`, every `ToolDefinition.execute()` closes over `ctx`): an OS sandbox wraps `execve` and cannot wrap an in-process function call, so "sandbox any tool" is policy at each tool's seam, never a mechanical transport change. +- `tools/pre-execute` (`allow`/`deny`/`ask`) exists, with `ask` serviced by [the approval seam](2026-07-06-approval-seam.md); the fs intent gates are version guards with no mode input yet. +- `dsh-bash`'s request/spec split (`BashExecRequest` → `resolve()` → `BashExecSpec`) carries per-call fields the way escalation needs — `owner` is the template: request-optional, spec required-but-nullable, carried verbatim — and the result types already speak `SandboxMode`, so a per-call policy field adds no dependency edge. +- The pinned-header snapshot design means a schema/description change churns at most one pinning fixture per suite, and the escalation fields are advertised only under a sandboxing executor — so they live in exactly one pinned header, the sandbox example suite's `mode-switching` fixture. + +#### The seam: `ctx.sandbox` + +`dsh-sandbox` owns the vocabulary and the `SandboxProvider` contract: `confine(argv, policy)` returns the argv to spawn INSTEAD of the caller's own — wrapped so the process and everything it spawns run confined — plus the `enforcement` completeness the selected backend achieves, its denial dialect (`denialSignatures`, the stderr substrings that backend's kernel prints on a denied file effect), and its runner-failure dialect (`runnerFailureSignatures`, how the runner ITSELF failing — and therefore the command never running — identifies itself); with no usable backend it throws the fail-closed `SANDBOX_UNAVAILABLE` error, never a silent unconfined passthrough. The vocabulary: `SandboxMode` (`read-only` / `workspace-write` / `danger-full-access`, FILE effects only — network and process visibility are not claimed), `SandboxEnforcement` (`full` / `partial`), `SandboxPolicy` (mode + workspace root). + +Policy rides each CALL, not the provider: two consumers may confine under different policies at the same instant (bash under `read-only` while a confined child agent keeps its state directory writable), and an approved escalated retry is a new call with a wider policy — inexpressible under a config-fixed provider mode. + +The seam confines SAME-WORLD subprocesses only: a backend shares the host's filesystem and kernel. Containers, microVMs, and remote executors are NOT backends of this seam — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups, because an agent whose bash runs in a container while its fs tools write the host lives in two split worlds. + +Left open, for the phase that needs them: whether network restriction arrives as a separate `network_mode` or merges into `sandbox_mode` once a runner enforces both, and whether `SandboxPolicy` grows extra writable-root grants now (the launcher already speaks `--rw <path>`) or only when escalation needs them. + +#### Local backends and the shipped launcher + +`dsh-sandbox-local` selects BY PLATFORM, once per lifetime, and caches the verdict: each platform names its runner chain, a chain of one is selected directly — probing arbitrates between candidates, and a sole candidate leaves nothing to arbitrate — and a chain of several is probed FUNCTIONALLY in preference order (build and enforce a real profile, never `--version` — a present-but-unusable `bwrap` must fail its probe). Linux: `bwrap` first (its mount profile is closest to the mode vocabulary: whole tree read-only, fresh `/dev`+`/proc`, `workspace-write` adds an ephemeral `/tmp` and rebinds the workspace root; deliberately no `--unshare-pid` and no network claim), else the npm-distributed `landlock-run` Landlock launcher. darwin: `sandbox-exec` speaking a Seatbelt (SBPL) profile — allow-default with `(deny file-write*)` plus write allow-lists, every granted root canonicalized because Seatbelt matches resolved paths (`/tmp` IS `/private/tmp`) — unprobed, the sole candidate. A platform with no chain fails closed at `confine()`; an unprobed runner that turns out unusable fails closed at EXECUTION instead — it refuses to run the command, and every wrap carries `runnerFailureSignatures` (the runner's own error prefix, which also matches the shell's runner-not-found message) so the consumer classifies that as a SANDBOX failure, never a task failure: on either path the command neither runs unconfined nor slips through as a plain failure. A non-empty `runnerCommand` config is the operator's assertion of a runner that fully enforces the bwrap-shaped profile — chain and probes skipped; it doubles as the deterministic fake-runner seam for keyless tests. It is not exempt from fail-closed execution: its wrap carries argv0-scoped outer-shell failure shapes (`exec: <argv0>: not found`, `<argv0>: No such file or directory`, `<argv0>: Permission denied`) as its runner-failure dialect, so a missing or unexecutable configured runner classifies as a sandbox failure like every other rung — never as a failing command, and never as a denial. + +The launcher is a ~300-line C program (plain C11 over the raw Landlock UAPI — no libraries beyond a statically linked musl, so the audit surface is that one file plus the kernel's stable syscall contract): `--ro <path>` / `--rw <path>` grants, `--`, the wrapped argv; it installs the ruleset on itself and `exec`s (rulesets are inherited across `execve`, and it sets `no_new_privs` before restricting); `--probe` enforces a maximal ruleset in a short-lived child and exits 0 only when the kernel actually enforces; launcher failures exit 125 without exec'ing. + +The launcher lives in its own repository and reaches the harness as the npm package family [`node-addon-landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) (the per-platform-package pattern of `node-addon-require-builtin` and esbuild): an entry package — `dsh-sandbox-local`'s one runtime dependency — plus per-platform binary packages selected at install time by npm's `os`/`cpu` fields. The entry package owns the launcher's CLI contract end to end (`launcherPath()` resolution with a never-existing fallback, the functional `probe()`, `grantArgs()` flag spelling), versioned together with the binary so probe-report parsing can never drift against it; the harness keeps only the policy side, `landlockProfileArgs()` mapping the mode vocabulary to grants. Native-only per-architecture builds, pack gates (binary presence, executability, ELF architecture), and the byte-pinned publish rehearsal are that repository's release pipeline; this repo's Landlock CI legs install the published family from the registry — the true consumer path — and prove real-kernel confinement through it. + +FIXME: Revisit the separate-repository boundary and try to maintain the launcher source and its platform package family inside this monorepo, so the native release surface and harness contract evolve together. + +Profile parity is honest rather than identical: under Landlock, `read-only` grants `--ro /` plus `--rw /dev/null` (the node, not `/dev` — the host's `/dev/shm` is a persistent shared tmpfs), and `workspace-write` grants the HOST `/tmp` where bwrap's is ephemeral; under Seatbelt, `read-only` likewise grants only the `/dev/null` literal, and `workspace-write` grants the host `/tmp` plus the per-user darwin temp dir (`os.tmpdir()` — the platform's real temp area for mkstemp-family tools; omitting it would deny what the mode promises). Every wrap carries the rung's denial dialect (`denialSignatures`: EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt) so consumers match the active backend rather than a cross-runner union. Enforcement is honest per ABI level: an older kernel enforces the subset its ABI governs (path truncate is ungoverned before ABI v3), the probe's report line distinguishes the cases, and every confined result carries the structured `enforcement: 'full' | 'partial'` fact — refusing partial enforcement would deny the fallback to precisely the older-kernel hosts that need it. The bwrap and Seatbelt profiles govern every promised file effect by construction, so their passing probes always report `full`. + +#### The bash consumer + +`dsh-bash-sandbox` extends `LocalBashExecutor` (spawn mechanics, process-group kills, spill files, background tasks, credential scrub inherited verbatim) and hands `ctx.sandbox` the exact `['bash', '-c', command]` argv it is about to spawn. A sandbox denial is a RESULT FACT, not an error: the command RAN and the kernel refused a file operation, so `result.sandbox.denied` is orthogonal to `exitCode`/`signal`. Classification is conservative text inference over the collected stderr tail against the WRAP's own dialect, so a backend is never credited with a denial text its kernel does not speak (bare EPERM under a Linux runner names non-file boundaries the mode vocabulary does not govern); the known residual false positive is non-sandbox text in the active dialect (an ssh auth failure under Landlock, a refused `kill` under Seatbelt), and a structured runner signal wins once one exists. A RUNNER failure is the opposite of a denial and outranks it in classification (a runner's error text can itself contain denial words): the wrap's `runnerFailureSignatures` matching a failed run means the sandbox broke and the command NEVER RAN — the foreground path re-throws it as the structured `SANDBOX_UNAVAILABLE` error (the late twin of the confine-time throw, carrying the runner's first stderr line), a settled background task stamps `sandbox.runnerFailed` and `bash_output` renders its own marker — so a broken sandbox can never read as a failing command. + +The model's view is result facts only: the static tool description explains the denial marker (`[sandbox: file access denied under <mode> mode]`), encourages attempting commands that may be denied, and forbids retrying around a denial; when the escalation fields are advertised, a denied result additionally carries the escalation hint itself, so the sanctioned same-turn retry is prompted at the decision point rather than depending on the model recalling the description (§ Escalation). No prompt section states the sandbox mode (§ Per-session modes). + +#### Escalation: one approved wider retry after a denial + +The seam level is mechanism only. `BashExecRequest` carries `sandboxMode?: SandboxMode`, an explicit per-call policy input; `BashExecSpec` carries it required-but-nullable (the `owner` pattern: a forgotten field is a visible `undefined`, and `resolve()` is the one explicit defaulting step); `BashExecutor` exposes the capability fact `get sandboxMode(): SandboxMode | undefined` — `undefined` in the base class, the configured mode in `SandboxBashExecutor` — so the tool layer can advertise only what the mounted executor honors: composition truth, not configuration. The seam honors ANY explicit mode, including a narrower one; the wider-only ladder is escalation policy and lives in the tool. A non-sandboxing executor (`dsh-bash-local`) carries the field verbatim and confines nothing — the field reaching it means the caller bypassed the tool's gate, and its honest behavior stays unconfined execution, not a guess at enforcement it does not have. + +`SandboxBashExecutor.resolve()` stamps the effective mode — escalation grant > session override > configured default — so `run()`/`start()` read the spec, never the config. The `danger-full-access` branch, the confine call, and the result facts all key off the spec's mode, and the per-task facts map carries each task's mode alongside its wrap facts (`notifyTaskDone()` stamps from the map entry): one escalated call — foreground or background — reports the mode it ACTUALLY ran under while every neighbor keeps its own. + +The tool gate advertises two extra parameters exactly when `ctx.bash.sandboxMode` reports a confining mode at registration: `sandbox_permissions`, an enum of the closed escalation-target vocabulary — `workspace-write`/`danger-full-access`, every mode a session could ever escalate TO — and `justification`, required together with it. The enum is deliberately NOT cut down to the modes wider than the executor's DEFAULT: schemas are registry-global while the effective mode is per-session and switchable, so a default-relative ladder strands a session overridden NARROWER than the default (with a `danger-full-access` default and a `read-only` override it would advertise nothing at all — confined, but with no lever). Strict widening is instead enforced at EXECUTION against the call's effective mode (session override ?? executor default): a request that is not strictly wider fails closed with its own text and prompts no one. An escalating call resolves approval BEFORE anything executes — no `ctx.approval` composed, or no agent on the execution, fails closed with its own text; otherwise `ctx.approval.request({ agent, toolName: 'bash', callId, reason, signal })` with the audit-self-contained reason `escalate sandbox to ${mode}: ${justification}`, while the UI attaches the prompt to the already-streamed call (the command is visible there; the approval RFC's no-arguments rule holds). The four outcomes map to distinct results: `allowed-once` stamps `sandboxMode` onto the bash request and proceeds; `rejected`, `cancelled`, and `unavailable` each produce their own error text, so the model can tell a human "no" from a dismissed prompt from a missing channel. The grant is consumed by the very call that asked; nothing is stored. + +The tool description teaches — and a denied result itself prompts — the SAME-TURN flow when the fields exist: on a denial a wider mode would cure, escalate immediately in that turn by retrying the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification`, without detouring through chat to ask first — the approval prompt raised by the retry IS how the user consents. Never speculatively: an escalation is grounded in a real denial — normally the one the command just hit, up front only when the session already denied the same access — and a prompt stating approvals are disabled turns the exception off entirely; a rejected escalation is final for that command. Denial-grounding is deliberately model discipline plus human judgment, not harness bookkeeping — the human sees the exact command and justification on the prompt (see Alternatives for why hard-matching is rejected). No new session events anywhere: the attempt is an ordinary `tool/call` whose logged arguments carry the two fields, the decision is the approval seam's `approval/asked`/`approval/decided` pair, the outcome is an ordinary `tool/result` whose sandbox facts name the mode it ran under. The asker lives in `dsh-tool-bash`, NOT the executor: a transport seam has no `agent`, no `callId`, and no business asking humans questions. + +Left open, recorded for the phase that picks them up: what a grant's scope identity is beyond the sandbox mode — the exact call, a path, a command prefix, the session, a time window — the question `allow_always` grant storage must answer before that option can be advertised; how cancellation behaves while an approval prompt is pending; and how escalation is defined for `run_in_background` denials that arrive via `bash_output`. + +#### Per-session modes: the session log as the store + +``` +effective(session) = findLast(the session's own knob events)?.value ?? the composition-config default +``` + +The default is composition config (`cordis.yml`) — operator-owned, process-wide. A runtime switch is a SESSION-SCOPED override recorded as one log-only event in that session's own log. Restart immunity (resuming a session replays its log, so overrides come back with zero catch-up machinery) and multi-session isolation (one editor tab's `workspace-write` cannot disturb another's `read-only`) both fall out by construction, and no external config store exists anywhere. + +**One event per knob, owned by its domain** — the merge-extensible `SessionEventMap` idiom every existing event family already follows (`approval/*` in `dsh-user-approval`, `hook/*` in the hooks packages): + +```ts +interface SessionEventMap { + 'bash/sandbox-mode': { mode: 'read-only' | 'workspace-write' | 'danger-full-access' } + 'approval/policy': { policy: 'ask' | 'never' } +} +``` + +Each owner exports the same three-piece kit: the event declaration, a pure fold (`effectiveSandboxMode(events)` / `effectiveApprovalPolicy(events)` — a `findLast`, typed to the domain's closed union), and THE write path (`setSandboxMode(session, mode)` / `setApprovalPolicy(session, policy)` — a switch IS its event; nothing mutates state out of band). No shared owner service, no generic facts map, no registry: a third knob copies the ~40-line pattern into its own package. Execution follows the fold on both sides — the bash tool's per-call stamp reads it as the middle rung of the § Escalation precedence chain, and the approval seam's `'never'` gate is [the approval RFC](2026-07-06-approval-seam.md)'s side of the same pattern. + +**Visibility is deliberately asymmetric between the knobs.** The SANDBOX mode is stated nowhere and its switches are not narrated: a standing "you are read-only" declaration teaches the model to refuse preemptively (observed live: sessions where the model would not even attempt a write it could have escalated), while the denial marker already names the mode the command ran under at exactly the moment the boundary matters — behavior, not belief, carries the state, and a switch simply changes what the next command does. The APPROVAL policy keeps both layers, because its failure mode is the opposite: an auto-rejected ask under `'never'` returns "the user rejected …" wording no behavior can disambiguate, so the prompt states `'never'` (and ONLY `'never'` — an `'ask'` promise is unknowable without asking, and absence under a logged header is how the narrator reads `'ask'` back), and an `agent/pre-step` narrator injects at most one coalesced notice per policy switch: idle flip-flops collapse to one notice at the next turn's first step, a net-zero round trip to none, and a mid-turn change is narrated no later than the next step. Its "last told" is in-memory with a log-derived fallback (the folded header's system text parsed against the closed candidate sentence; LAST occurrence wins, so a persona quoting it cannot shadow the real section), so restarts lose nothing; attribution is positional (a knob event after the log's last `request/header*` reads `changed by the user`, a drift with no such event reads `changed by the operator/config`). + +**The editor surface** is protocol-native [Session Config Options](https://agentclientprotocol.com/protocol/session-config-options) — the spec's replacement for session modes (slated for removal in ACP v2), already SDK-typed. The bridge advertises one independent `select` per composable knob — `sandbox-mode` (category `mode`) iff the mounted executor confines, `approval-policy` iff the approval seam is composed — with `currentValue` folded from each session's own log, in `session/new` and `session/load` responses. `session/set_config_option` validates against the same closed lists, routes to the domain setter, and returns the complete refreshed state (the spec contract). + +**Anchoring: turn-enclosure is the commit boundary.** The turn-enclosure contract makes a bare between-turns append invalid (the JSONL backend treats a post-`turn/end` tail as crash garbage; dev invariants throw). A switch while a turn is open appends immediately — openness read from the LOG (last boundary event is `turn/start`), not `agent.status`, which stays `running` between queued turns. An idle switch is held on the bridge's session record and anchored at the next turn's `agent/prompt-submit` — inside the turn, before anything in it assembles or executes, last write per knob, and OUTSIDE any `session/event` emit (appending from inside that feed reorders events for later-registered listeners — a bug the dev invariants caught live). Until anchored, the switch exists only in bridge memory: responses overlay it truthfully, and a crash before the next turn reverts it — `session/load` then reports the fold's truth, so the editor UI self-corrects rather than lies. + +#### In-process tools + +fs/web/todo execute in-process, so their sandbox semantics are policy at their seams: the fs intent gates deciding by the shared mode vocabulary (§ Deferred phases, cross-family) make `read-only` a real boundary instead of a bash-only approximation — until then the contract says so honestly. No generic per-tool sandbox runtime: a host-mediated tool leaves the process only by returning declarative effects the host validates, which is a rewrite, not a wrapper. + +FIXME: Revisit this tool-local boundary. The follow-up design needs to determine whether sandboxing becomes a global harness capability that applies uniformly to every tool, instead of expressing in-process enforcement independently at each tool seam. + +### Testing + +- Unit tier (no real runner anywhere): profile dialects, per-platform chain selection (sole candidate unprobed, no chain fails closed, multi-candidate probe order), verdict caching, the fail-closed end, probe-report parsing, and the launcher/`sandbox-exec` CLI contracts via fake runner scripts in `dsh-sandbox-local`; wrapping, policy hand-off, fact stamping, and runner-failure-outranks-denial classification (foreground throw, background `runnerFailed` fact) against a fake provider in `dsh-bash-sandbox`; the error's structured identity in `dsh-sandbox`. The escalation matrix spans the three bash packages: verbatim carry-through in `dsh-bash-local`, stamp/branch/per-task-facts in `dsh-bash-sandbox`, and the capability gate, `justification` pairing, fail-closed texts (pinned verbatim), and grant stamping in `dsh-tool-bash`. The switching surface pins the folds, the stamping precedence, the `'never'` gate, per-session section rendering, the full narrator matrix (cold start, coalescing, net-zero, resume drift with operator wording, positional attribution, persona-shadow hardening), and the bridge's advertisement gating, validation rejections, idle-vs-mid-turn anchoring (dev invariants mounted), and `session/load` reporting over a real two-process JSONL round trip. +- Keyless real-runner e2e, split along the seam and per rung: CI's `sandbox-e2e` matrix runs bwrap and Landlock on Linux (the Landlock leg once per architecture, each confining through the registry-installed launcher) and Seatbelt on macOS against real kernels, failing on a silent all-skip. World-proofs live in `dsh-sandbox-local` (denied writes absent on disk, workspace writes landing, temp-area grants pinned, kernel denial text matching the advertised dialect) and `dsh-bash-sandbox` (the through-`ctx.bash` consumer proofs, including denied-then-overridden-write-lands). This package's own publish path is rehearsed without publishing (`packed-install.e2e.ts`): `pnpm pack`, tarballs installed into a throwaway consumer with the launcher family resolving from the registry, plain `node` confining through the INSTALLED launcher — asserted executable apart, so a mode-stripped binary can never masquerade as a non-enforcing kernel. The switching surface has its own keyless e2e (`examples/sandbox-acp-agent`): the real `cordis.yml` tree advertises both options, honors switches end to end, and rejects out-of-vocabulary values. +- With-key e2e (`examples/sandbox-acp-agent/tests/escalation.e2e.ts`): real model + real runner + the REAL bridge answerer, world-verified — denied under `read-only`, escalates with justification, the scripted editor grants and the retried write lands on disk, while a rejected escalation leaves no write. Self-skips without `DEEPSEEK_API_KEY` or a usable runner (e2e.yml installs bubblewrap so it actually executes in CI). +- Snapshot tier (`examples/sandbox-acp-agent/tests/acp.snapshot.ts`): the keyless config-option wire; the recorded mode-switching arc as the suite's pinned header — necessarily, since mid-session switches emit the `request/header-delta`s the uniformity guard licenses only in the pin — committing both switches, the prompt-section delta and one "changed by the user" notice per knob, and a confined write landing under the switched mode; and both recorded escalation branches over scripted `permissionAnswers` (grant runs confined under `workspace-write`; rejection executes nothing and pins the fail-closed text). Replay re-executes every fixture's bash calls under the host's real runner (ci.yml's snapshot lane installs bubblewrap). Deliberately absent: a fixture carrying a real DENIAL — denial stderr is the backend's dialect and would pin a fixture to its recording platform; the escalation prompts assert the prior denial instead, and the denial→marker path stays on the tiers above. + +## Deferred phases + +Each phase gets its full design when picked up, validated against the code at that time, and lands with unit, real-API e2e, and snapshot coverage at the tiers it touches. + +- **Per-session workspace root** — the executor's write boundary stays config-fixed for its lifetime while each ACP session has its own cwd; a per-session root rides the same per-call policy carrier once designed. +- **Cross-family boundary** — the fs intent gates decide by the shared mode, making `read-only`/`workspace-write` real boundaries beyond bash. +- **Second consumer** — `subagent-acp` optionally confines child agents (per-call policy; unconfined default — a child agent must write its own persistence). +- **More environments** — an environment-coherent capability group example (e.g. bash+fs against one container). +- **Windows chain** — `PLATFORM_CHAINS.win32` is reserved and empty (fail-closed); filling it means a confinement runner from the AppContainer/restricted-token family, shipped from its own repository on the `node-addon-landlock-run` template, plus its profile dialect and denial/runner-failure signatures. + +## Alternatives considered + +- **Command-string heuristic preflight** — rejected: cannot understand expansion/subprocesses/symlinks; the strict attempt (run it, let the kernel decide) is the only trustworthy denial signal. +- **Functionally probe even a platform's sole backend** — rejected: probing arbitrates between candidates; with one there is nothing to decide, and probe cost taxes the first confined command of every session (prohibitive for heavy future backends). The runner's own exec-time fail-closed refusal plus `runnerFailureSignatures` classification carries the safety property instead. +- **Commit the built launcher binaries** — rejected: a binary in a diff is unreviewable and churns history; reviewed source + native CI builds + the launcher repo's byte-pinned publish rehearsal keep bytes out of every tree. +- **Compile the launcher on install** — rejected: pushes a C toolchain onto every consumer; a fallback that exists only where a compiler happens to be is not a fallback. +- **Cross-compile both architectures from one builder** — rejected: requires carrying a pinned cross toolchain (rustup targets, zig, or a container image) solely to rebuild two ~70 KB binaries; per-architecture native runners already exist and each builds its own platform package (the `node-addon-require-builtin` model, the launcher repo's own pipeline). +- **No fallback (bwrap or fail closed)** — rejected: concentrates failure on the hosts a sandbox matters most, degrading to `danger-full-access` by resignation. +- **Keep the mechanism inside `dsh-bash-sandbox`** — rejected: blocks the existing second consumer, makes future phases read mode out of a bash plugin's config, and cannot express escalation. +- **Config-fixed mode on the provider** — rejected: one mode per process; cannot serve concurrent consumers with different policies nor the one-shot widened retry. +- **One interface spanning containers/VMs too** — rejected: `confine(argv)` presupposes a shared filesystem; environment isolation is capability-sibling backends deployed as coherent groups. +- **Generic ToolRuntime wrapping any tool** — rejected: mechanically false for in-process tools (closures over `ctx`); the declarative-effects rewrite is unjustified for fs/web/todo. +- **Ask inside the executor (`dsh-bash-sandbox`)** — rejected: no `agent` to route through, no `callId` to attach the prompt to; adding them teaches a transport seam about sessions and UIs — the tool layer holds both and owns the model-facing vocabulary. +- **Auto-retry inside the same tool call** — rejected: a hidden re-entry the log cannot reconstruct: one `tool/call` would have produced two executions with different policies — the retry is a NEW logged call with its own arguments and result facts. +- **Advertise the escalation fields unconditionally** — rejected: under `dsh-bash-local` they are a dead lever — advertising an option the harness cannot honor manufactures doomed grants; capability-gating costs one registration-time read. +- **A default-relative escalation ladder (advertise only the modes wider than the executor's registration-time default)** — rejected: per-session overrides make the default the wrong baseline — a session switched narrower than the default loses exactly the lever it needs, and under a `danger-full-access` default the fields vanish entirely while a `read-only`-overridden session stays confined with no escalation path. The enum pins the closed target vocabulary; strict widening is a per-call execution check against the session's effective mode. +- **Per-session dynamic tool schemas** — rejected: schemas are registry-global by design (one assembly vocabulary, the pinned-header snapshot contract), and re-registering per session would buy only what the execution-time strict-wider check already guarantees, at the cost of a per-session schema surface and header churn on every switch. +- **Hard-match the retry to a prior denial** — rejected: command-string identity is fragile (quoting, `workdir`, env prefixes, a pipeline retried as its failing stage) — false-rejects honest retries or is trivially satisfied; the real boundary is the human seeing command + justification. Revisit only if `allow_always` grant storage ever needs machine-checkable scopes. +- **A generic `env/state` facts map with an owner service** — rejected: approval and sandbox compose independently, so neither's state may drag in a third package; single-key folds are one `findLast` each, dissolving the owner service; no invariant spans the knobs, so atomic multi-key patches bought nothing. +- **Narrate via `agent/user-message` + a bus event** — rejected: it presupposes a turn-entry seam that does not exist (the real seam is `agent/prompt-submit`), and pre-step's position serves both the coalesced turn-entry notice and the mid-turn immediacy bound with one listener. +- **A standing prompt statement of the sandbox mode (+ a switch narrator)** — shipped first, then removed on live evidence: with `Bash commands run under the "read-only" file sandbox.` in every request, the model refused to ATTEMPT denied-then-escalatable work (five of twelve turns in the first manual session ended with zero tool calls), turning the sandbox into a soft lockout. The denial marker names the mode at the moment it matters and the escalation fields carry the recovery; the approval knob keeps its statement because an auto-rejection is behaviorally indistinguishable from a human "no". +- **Track "last told" with its own bookkeeping events** — rejected: the `request/header*` fold already records the exact prompt the model saw; parsing the closed candidate sentences back replaces a second bookkeeping stream — events are needed only where they ARE the store. +- **ACP session modes instead of config options** — rejected: one mode list cannot carry two orthogonal knobs; config options are the spec's designed surface and modes are slated for removal in ACP v2. + +## Consequences + +What shipped pins — the tiers in Testing hold each: + +- A denied command retried with `sandbox_permissions` + `justification` prompts the user through the composed answerer chain; a grant runs THAT call under the wider mode (result facts say so) while every other call keeps its own effective mode; every non-grant outcome produces its distinct error text and executes nothing. +- The escalation fields exist exactly when the mounted executor confines; a request that is not strictly wider than the call's effective mode fails closed with its own text and prompts no one; a deployment with no ApprovalService fails escalating calls closed and leaves plain calls untouched. +- The system prompt never states the sandbox mode (an approval `'never'` policy is the one stated knob), and the whole exchange — headers, knob events, notices, approvals, results — reconstructs from the session log alone, with no event types beyond the two knob events. +- N idle-time flips produce at most one anchored event per knob (a net-zero sequence anchors none — a no-op push from a client echoing current selections records nothing); an approval-policy switch is narrated in at most one coalesced notice; a mid-turn sandbox switch is honored by the next call's stamp. +- A resumed session's overrides apply and are reported to the editor with no special-casing; a default changed while the process was down is narrated before the session's first new request, attributed to the operator. +- Two concurrent sessions never see each other's state, notices, or config options. +- `agent-loop` is untouched — everything rides `systemPrompt.section`, `SessionEventMap` merging, `agent.inject()`, `agent/pre-step`, `agent/prompt-submit`, and the ACP handler surface. + +Costs and accepted limits: + +- **The one-wrapper illusion is given up knowingly.** A `tools/pre-execute` wrapper plus prompt conventions does not solve sandbox approval — the correct design costs structured denials, native runner probes, per-call policy carriage, and consistent cross-family enforcement, and this design pays it. +- **`read-only` is not yet a cross-family boundary.** Until the fs intent gates decide by the shared mode, the claim holds for bash only; the contract says so honestly (§ In-process tools). +- **Windows has no backend.** Its chain slot is reserved empty — fail-closed, never a fallthrough; filling it is a deferred phase. +- **The Seatbelt rung leans on Apple's deprecated-but-shipped `sandbox-exec` CLI.** As darwin's sole candidate it is selected without probing, so a future removal surfaces at execution as the runner-failure classification — re-thrown `SANDBOX_UNAVAILABLE`, the command never runs; fail closed, never open. +- **Landlock confinement is only as complete as the running kernel's ABI.** Reported as `enforcement: 'partial'` rather than refused — the deliberate trade that keeps the fallback available on older-kernel hosts. +- **The launcher arrives as a registry dependency.** Trusted through its own repository's release pipeline (reviewed C source, native CI builders, byte-pinned publish rehearsal) plus this repo's version pin — the real-kernel e2e legs are what vouch for behavior through the installed bytes. +- **The model may over-ask.** Escalating without denial grounding, or picking `danger-full-access` where `workspace-write` suffices: the description steers and the enum forces the ladder, but the human prompt is the actual gate; the `approval/asked` reasons make over-asking auditable, and a `prepend` policy answerer can auto-reject patterns a deployment never wants. +- **The advertised target set is static while the effective mode is per-session** (schemas are registry-global) — a session already at the widest mode is still offered the fields. Harmless by construction: the strict-wider check at execution, not the enum, is the safety boundary — a non-widening request fails with its own text and never prompts anyone. +- **A granted escalation is not a working sandbox.** An unavailable backend still fails closed even for a granted escalation to a confining mode — at `confine()` when the platform has no chain or every probe fails, at execution when an unprobed sole runner refuses (classified as a sandbox failure, not a command failure) — while a granted `danger-full-access` run never touches the provider at all: there the grant, not the probe, is the authority. +- **An idle switch lives in bridge memory until the next turn anchors it.** A crash in that window reverts it (reported honestly on `session/load`), and a session that never runs another turn never persists it — accepted, with the loop-owned idle commit turn named as future work if durability becomes a requirement. +- **The approval narrator's restart baseline parses prompt prose.** The closed candidate sentence is owned by the writing module itself, so a wording change is a coordinated writer+parser edit in one file; a session whose headers predate the section silently adopts the current policy without a notice. +- **The approval section is still a dynamic prompt surface** (a `'never'` switch breaks provider prompt-prefix caching for that session). Accepted: policy switches are rare, and a model acting on a stale `'never'` is worse. The sandbox knob no longer touches the prompt at all. +- **The model may hold a stale belief about the sandbox mode** (nothing announces a switch). Accepted deliberately: the next attempt's marker or success corrects it, and the observed failure mode of announcing — preemptive refusal — is worse than one wasted retry. + +## FAQ + +Behavioral and usage questions only — every "why not X?" design question lives in [Alternatives considered](#alternatives-considered), whose job is exactly that. + +- **A command came back with `[sandbox: file access denied under read-only mode]` — did it fail?** It RAN, and the kernel refused a file effect: the denial is a result fact orthogonal to exit code. The teaching forbids retrying around it; the one sanctioned move is the same command retried once with an escalation request. +- **How is a BROKEN sandbox told apart from a failing command?** Runner failure outranks denial in classification: a failed run matching the wrap's `runnerFailureSignatures` means the command NEVER ran — foreground re-throws the structured `SANDBOX_UNAVAILABLE` with the runner's stderr line, a background task stamps `sandbox.runnerFailed` and renders its own marker. A broken sandbox can never read as a failing command, and the command never runs unconfined. +- **What happens on a platform with no backend — Windows today?** `confine()` throws the fail-closed `SANDBOX_UNAVAILABLE` and the command never spawns; `win32` is a reserved EMPTY chain, pinned by test to fail closed identically until a Windows runner fills it (§ Deferred phases). +- **`bwrap` is installed on my host but unusable (disabled unprivileged userns, an LSM denying `mount`) — what happens?** The chain probe is functional — it builds and enforces a real profile rather than checking `--version` — so a present-but-unusable `bwrap` fails its probe, selection falls to the registry-installed Landlock launcher, and the verdict is cached for the provider's lifetime. +- **Does the sandbox restrict network or process visibility?** No — `SandboxMode` claims FILE effects only; the bwrap profile deliberately does not unshare pid, and no backend claims network. Whether network restriction becomes its own knob is left open in § The seam. +- **Which tools actually run confined?** OS subprocesses through `ctx.bash` — the bash tools, and hook commands transitively. fs/web/todo execute in-process, where an `execve` wrapper is mechanically meaningless; their `read-only` semantics arrive with the cross-family deferred phase, and until then the contract says bash-only honestly. +- **Does a granted escalation persist, or cover background tasks?** Neither: the grant is consumed by the very call that asked (foreground or background), that one call reports the mode it actually ran under, and every neighbor keeps its own. How escalation should be DEFINED for a background denial that only surfaces later via `bash_output` is left open in § Escalation. +- **When does an editor's mode switch take effect?** Mid-turn: appended immediately, honored by the very next call's stamp. Idle: held on the bridge's session record, anchored at the next turn's `agent/prompt-submit`, with N flips coalescing to at most one event (none if net-zero); a crash before anchoring reverts it and `session/load` reports the truth. The model is not told — its next command simply behaves under the new mode. +- **What survives a restart — and what if the operator changed the config default while the process was down?** Overrides replay from the session log (`effective = fold ?? config`), so a resumed session keeps its modes with zero catch-up machinery; a default that drifted offline changes behavior the same way a switch does (the approval policy, being stated, is additionally narrated with operator/config attribution). +- **What does `enforcement: 'partial'` on a result mean?** The selected backend enforces the subset its kernel ABI governs — e.g. Landlock before ABI v3 does not govern path truncate — and says so structurally instead of refusing the host; the probe's report line distinguishes the cases. The bwrap and Seatbelt profiles govern every promised file effect by construction, so they always report `full`. + +## Prior art + +In-repo precedents this design copies or contrasts with: + +- [The capability-seams RFC](../architecture/2026-06-13-capability-seams.md) — the interface/implementation/consumer split and the "don't split preemptively" timing rule the second consumer satisfied. +- The `dsh-bash` request/spec split and its `owner` field ([the bash vocabulary catalog](../../../core-data-structures/bash.md)) — the per-call carrier template `sandboxMode` rides, and the explicit-`resolve()` defaulting convention. +- [The approval seam RFC](2026-07-06-approval-seam.md) — the channel escalation asks through; its answerer waterfall, audit pair, and one-package rationale are recorded there. +- [Event-sourced sessions](../architecture/2026-06-11-event-sourced-sessions.md) and [the turn-enclosure invariant](../architecture/2026-06-15-turn-enclosure-invariant.md) — the log-as-store foundation the per-session modes fold over, and the commit boundary the anchoring design obeys. +- [The interception-seams RFC](2026-06-30-interception-seams.md) — the `tools/pre-execute` vocabulary the escalation gate deliberately does not reuse (an escalating call has no pre-execute moment of its own). diff --git a/docs/rfc/implemented/feature/2026-07-07-session-prefix.md b/docs/rfc/implemented/feature/2026-07-07-session-prefix.md new file mode 100644 index 0000000000..6f81d12407 --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-07-session-prefix.md @@ -0,0 +1,42 @@ +# RFC: The session prefix — request-only messages in front of the derived history + +Status: implemented + +## Problem + +A plugin often owns a session-stable opener the model must always see — a skills catalog, an AGENTS.md digest, a workspace baseline. Before this seam the harness offered two homes, and both are wrong for that content. The system prompt is one rendered string: message-shaped content (a user-role `<system-reminder>` envelope, a multi-message primer) does not fit it, and providers weight conversation messages differently from system text. Durable history (`agent.inject()`, a `context/message` at session start) makes the opener permanent: every `deriveMessages()` consumer replays it, the compaction retention walk owns it, forks bake it in stale, and a resume cannot refresh it — a catalog captured at session birth outlives the world it described. + +The obvious third option — let a plugin edit the request's `messages` on the way out — is banned by [the reconstructable-requests RFC](../architecture/2026-07-05-reconstructable-requests.md): every loop-built request is a pure function of the session log, so whatever channel carries the opener must log exactly what it sends. What was missing was a request-only message channel with a durable record. + +## Decision + +`agent/session-prefix` is a waterfall on the agent event map ([`packages/core/agent/src/types.ts`](../../../../packages/core/agent/src/types.ts)): listeners receive a frozen empty seed and return an extension (the canonical contribution is a prepend, `[mine, ...await next()]`, which yields registration order on the wire). The loop ([`packages/core/agent-loop/src/loop.ts`](../../../../packages/core/agent-loop/src/loop.ts)) fires it once per loop instance, lazily before the instance's first `agent/pre-step`; the composed list is deep-cloned, deep-frozen, cached on the instance, and placed in front of the ENTIRE derived history — directly after the provider's system slot — on every request the instance sends ([wire order](../../../core-data-structures/core.md#the-request-envelope-llmcallconfig-and-the-logged-header)). + +Three properties carry the design: + +- **Request-only, header-logged.** `deriveMessages()` never returns the prefix; its one durable record is `EpochHeader.messagePrefix` on the instance's anchoring `request/header` snapshot — the channel the reconstructable-requests RFC already owns for the request's non-history half, so no new session event exists. The dev invariant ([dsh-invariants](../../../../packages/support/invariants/src/index.ts)) recomputes `messagePrefix + boundary derivation` against every loop-built request; an unlogged prefix cannot reach the wire. +- **Frozen per instance.** Reuse is structural, not disciplined: the cached product cannot change mid-session, so the provider's prompt cache holds by construction and the prefix extends the cacheable region at zero marginal cost per step. A process restart or `ctx.agents.resume()` is a new instance: it recomposes, and any drift lands attributably on the `'resume'` header snapshot. This is the routing rule the seam creates: session-frozen openers ride the prefix; content that changes mid-session rides the append-only history channels (`agent.inject()`, a `tools/post-execute` decision's `additionalContext`, prompt-submit `additionalContext` — [the interception-seams RFC](2026-06-30-interception-seams.md)), each a durable `context/message` paid once and prefix-cached thereafter. +- **Composed before the pressure gate.** Composition precedes the instance's first `agent/pre-step`, and the seam hands the composed value through: `agent/pre-step` carries a `sessionPrefix` parameter and `CompactService.compactIfNeeded(agent, fullSystemPrompt, sessionPrefix, signal)` counts it in its token-pressure estimate — a gate reading the previous instance's folded prefix instead would under-gate a resumed or forked instance whose contributor grew, skipping compaction and shipping an over-window first request. A composition interrupted by a cancel/dispose landing inside the waterfall is discarded, never cached: an abort-aware listener's degraded fallback cannot leak into later requests, and the next turn recomposes under a live signal. + +Because composition runs before the boundary snapshot, a composing listener's session append joins the CURRENT request's derived history. Compaction structurally cannot touch the prefix (or the system prompt): it rewrites surface nodes, and header state never enters the surface. + +## Testing + +**Unit** — [interception.spec.ts](../../../../packages/core/agent-loop/tests/interception.spec.ts) pins compose-once across turns and steps (one composition, zero `request/header-delta`s), canonical prepend ordering, empty-prefix omission from the header, the frozen seed (in-place push throws), held-reference mutation immunity, and composition-precedes-pre-step with the seam receiving the composed value; [cancel.spec.ts](../../../../packages/core/agent-loop/tests/cancel.spec.ts) pins cancel/dispose landing inside the composition window and the discard-and-recompose stale-cache guard; dsh-session codec tests cover the `messagePrefix` fold/diff/apply arms (empty ≡ absent); dsh-invariants tests pin the `messagePrefix + derivation` equation; dsh-compact-basic tests pin that the pressure estimate counts the handed prefix. **Snapshot** — the acp-snapshot normalizer scrubs header prefixes to count-preserving `{{messagePrefix}}` tokens (unit-covered in dsh-acp-snapshot); header content itself is pinned per [the pinned-header scenario RFC](../testing/2026-07-06-pin-request-header-content-in-one-scenario.md), and the example tree loads no prefix contributor, so live goldens stay prefix-free. **e2e** — none prefix-specific: the seam is provider-independent and deterministic; the with-key cache measurement in [request-cache.e2e.ts](../../../../packages/core/agent-loop/tests/request-cache.e2e.ts) already proves the cacheable-prefix economics the design rests on. + +## Alternatives considered + +- **Per-request `before`/`after` slots recomputed every step** (the shape first proposed: a waterfall firing on every request, contributing frozen `before` messages ahead of the history and fresh `after` messages behind it) — rejected. A per-step `before` recompose invites silent drift — nothing anchors it to the log short of logging a header delta per step — and an `after` slot sits behind the growing history, so its tokens re-pay on every request and everything after it is uncacheable. Measured against the alternatives, every current update pattern is served cheaper by a durable append (paid once, cache-read thereafter), and the only content with no home was the session-stable opener — which wants freezing, not recomputation. +- **A system-prompt section** (`system-prompt/assemble`) — rejected for this content: the assembly renders to the single `system` string, so message-shaped openers do not fit, and the system prompt is deliberately re-assembled per step (with header deltas when it changes) while the opener wants instance-frozen semantics. +- **A durable history opener** (`inject()` at session start) — rejected: permanent history is the failure mode in the problem statement — replayed everywhere, compactable, stale across resumes. +- **Compose per turn instead of per instance** — rejected: a turn-boundary recompose either desyncs silently from the log or forces a header delta per change, and it busts the provider cache exactly as often as it fires; the legitimate refresh point is the instance boundary, where the `'resume'` snapshot already records drift attributably. +- **Compose lazily at the first request and let compaction read the folded header** (the shape as first merged) — superseded in review: the fold matches the live prefix only from the instance's second request on, so on a resumed/forked instance's first step the pressure gate read the PREVIOUS instance's prefix and could under-gate. Composing before the first pre-step and handing the live value through the seam makes the estimate exact at every step. +- **A dedicated session event carrying the prefix** — rejected: the header events are the request's non-history record by design; a second event would be a second home for the same fact and another codec to keep total. + +## Consequences + +- `agent/pre-step` and `CompactService.compactIfNeeded` carry a `sessionPrefix` parameter: every pre-step listener and compaction backend sees the real per-instance value (all in-repo implementations updated in the same change, per the pre-release stance). +- A contributor whose content changes mid-session is not re-read until the next instance — by design. A deployment needing mid-session catalog updates routes the change notice through the append-only history channels and pays one durable `context/message`. +- The dropped `after` slot leaves no request-only channel near the request tail; nothing in the repo needs one, and adding it back would re-open the every-step re-pay cost the design exists to avoid. +- The `request/header-delta` `messagePrefix` arm (whole-array replacement, empty array encoding transition to absence) exists for codec totality; the loop never exercises it, because the cached prefix cannot change within an instance. +- An empty composition is canonical absence: no-contributor deployments log no extra header bytes and their requests are the bare derivation. diff --git a/docs/rfc/implemented/feature/2026-07-08-repeat-tool-guard.md b/docs/rfc/implemented/feature/2026-07-08-repeat-tool-guard.md new file mode 100644 index 0000000000..9d0446dcad --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-08-repeat-tool-guard.md @@ -0,0 +1,73 @@ +# RFC: Repeat-tool-call guard plugin + +Status: implemented + +## Problem + +A model stuck in a loop re-issues the same tool call with byte-identical arguments — re-running a failing grep, re-reading an unchanged file, polling a command that already gave its answer — and each round trip burns tokens, wall-clock, and (for paid APIs) money without adding information. The harness has nothing that notices: the loop has no step budget, no plugin tracks call repetition, and the model only escapes when it happens to vary its own behavior. The failure mode is real and cheap to detect — [pi-repeat-tool-guard](https://github.com/Kingwl/pi-repeat-tool-guard) ships exactly this as a pi coding-agent extension: count consecutive identical calls and, past a threshold, append a `<system-reminder>` telling the model to stop repeating itself and change course. + +The harness already has every seam the pi extension uses, and better ones: [the interception-seams RFC](2026-06-30-interception-seams.md) gives `tools/post-execute` a sanctioned way to attach model-facing context to a finished call, the loop buffers and injects that context with call/result adjacency preserved, and injected context is a logged `context/message` — so a native guard satisfies the model-visible ⟺ logged rule with no new session event. What was missing was only the plugin itself. + +## Decision + +The guard is a loop-hygiene plugin, not a model-facing tool: it never appears in the tool list, never vetoes or rewrites a call, and adds exactly one behavior — it watches each agent's stream of tool calls, counts runs of consecutive calls to the same tool with identical canonicalized arguments, and at configured run lengths injects an escalating advisory reminder telling the model to stop repeating itself, re-read the last result, and either change approach or conclude. The purpose is to break unproductive loops within a few wasted steps instead of letting them run to the turn's natural end — while leaving the decision (retry differently, gather more evidence, or finish) entirely with the model, so a legitimately repeated call is delayed by nothing and blocked by nothing. + +The plugin is `@deepseek-ai/dsh-repeat-tool-guard` at `packages/guard/repeat-tool-guard/`, opening the `guard/` group for loop-hygiene plugins (single-package groups have precedent: [the todo-write RFC](2026-06-29-todo-write-tool.md) shipped `todo/tool-todo`). It registers three listeners and holds all state in plugin-local maps keyed by `AgentId` — the tool registry is a context-level singleton whose waterfalls interleave every agent's calls (subagents run on the same context), so per-agent keying is correctness, not polish. + +- **`tools/post-execute` (waterfall)** — the one detection point. The listener receives `(exec, result)` together, so counting and reminder delivery need no cross-event pending map (the pi extension needs one only because its `tool_call`/`tool_result` hooks are separate events). It always delegates via `next()` and, when a threshold is hit, folds a reminder onto the downstream decision's `additionalContext` — the observe-and-enrich posture [the hooks bridges](2026-06-30-hook-bridges.md) already use, honoring the waterfall contract. Counting happens here rather than in `tools/pre-execute` because post-execute also runs for denied calls (`ToolRegistry.execute` routes a deny through the same pipeline), and a model hammering a denied call is exactly the loop worth breaking. +- **`agent/prompt-submit` (waterfall)** — pure reset hook: delegate via `next()`, clear the submitting agent's chain. A user interjection changes the context; repetition across it is not a loop. +- **`agent/status` (emit)** — on `disposed`, drop the agent's state, bounding the maps over harness lifetime. + +### Detection semantics + +The chain key is `(tool name, canonical arguments)`; a call identical to the previous tracked call increments the agent's consecutive counter, a different tracked call resets it to 1. Canonicalization is a deep key-sort plus `JSON.stringify`: `ToolExecution.arguments` is by construction the loop's `JSON.parse` output (or the raw string fallback for malformed argument JSON, which is itself a comparable value), so the pi original's bigint/circular/`undefined` handling has no inputs here and is deliberately dropped. + +Two deliberate rules, both documented in [the package README](../../../../packages/guard/repeat-tool-guard/README.md) because they are behavior a reader would otherwise guess at: + +- **Untracked calls are transparent to the chain.** A call excluded by `include`/`exclude` neither increments nor resets the counter, so `grep X → todo_write → grep X` still counts as two consecutive `grep X` when `todo_write` is excluded. This is what makes exclusion useful — bookkeeping tools interleaved into a loop must not launder it — and it is the pi extension's (undocumented) semantics, kept on purpose and written down. +- **Calls without an agent are ignored.** A direct `ctx.tools.execute()` caller (tests, non-loop consumers) has no model to remind and no `AgentId` to key on. + +### Reminder delivery + +Reminders ride `additionalContext` (source `{kind: 'plugin', plugin: 'repeat-tool-guard'}` — the label is load-bearing per `HookContext`), never a `content` replacement: the `tool/result` event stays the tool's own output for audit, and the loop appends buffered context as `context/message`(s) after the step's results, which the session renders as the tagged synthetic-user envelope and derived history replays. Thresholds escalate: the first configured threshold gets a short "you are repeating yourself, analyze the previous result" nudge; each later threshold gets the detailed form naming the tool, the repeat count, and the canonical arguments (head-truncated at `argumentsPreviewChars`, default 500 — a looping `write`-sized payload must not ride into the next request unbounded; the chain key always compares the full canonical string), and stating that the calls made no progress. The pi original hardcodes the gentle text to the literal count 3; the guard keys it to `thresholds[0]`, fixing that bug in the port. When the downstream decision already carries `additionalContext` (a hook bridge on the same call), the guard concatenates content under its own `source` — a `HookContext` holds one `MessageSource`, and `source.kind` is what framing depends on. + +### Config + +```yaml +- id: repeat-tool-guard + name: '@deepseek-ai/dsh-repeat-tool-guard' + config: + thresholds: [3, 5, 8] # default; consecutive counts that trigger a reminder + include: [] # tool-name patterns to track; empty ⇒ all tools + exclude: [todo_write] # tool-name patterns transparent to the chain + argumentsPreviewChars: 500 # default; cap on arguments quoted in the detailed reminder +``` + +`thresholds` is validated at load and throws on an empty list, a non-integer, a value below 2, or a duplicate — misconfiguration fails loud, replacing the pi original's silent fall-back to defaults. `include`/`exclude` entries support `*` wildcards. Patterns are predicates over whatever tools exist at call time, not references to a registry entry, so an entry matching no currently registered tool is NOT an error — unlike `toolOrder`'s referent check, `exclude: [mcp_*]` must stay valid in a deployment that loads no MCP tools. + +## Testing + +**Unit** — the suite drives a real agent loop against a scripted mock adapter (no network) and covers, at per-file 100%: counting/reset semantics (identical, different-tracked, untracked-transparent, prompt-submit reset, disposal cleanup, per-agent isolation), canonicalization (deep key-order insensitivity), threshold escalation including the `thresholds[0]` gentle-text rule, denied-call counting, no-agent transparency, wildcard escaping, config fail-loud cases, and both fold-onto-downstream paths (block and accept-with-replacement). **Snapshot** — the `repeat-tool-guard` scenario in the acp-agent example suite scripts five identical `todo_write` calls and pins both reminder tiers (gentle at the third, detailed at the fifth) as `context/message`s in the ACP transcript and the session log; the guard is loaded in the example's live tree (`cordis.yml`), inert for every other scenario (none repeats a call three times). The scenario is authored keyless (like `error-finish`/`cancel`): deterministically forcing a live model to repeat one call three times is not a stable recording. **e2e** — none: the plugin is provider-independent and deterministic, and the seam contracts it relies on are e2e-covered by their owners. + +## Alternatives considered + +- **Append the reminder into the tool result** (`accept` with replaced `content` — the pi extension's mechanism, which patches result content because that is the only channel its API offers) — rejected: it makes the logged `tool/result` lie about what the tool returned, and `additionalContext` exists precisely as the separate sanctioned channel for post-execute commentary, with loop-level buffering that preserves call/result adjacency. +- **Count in `tools/pre-execute` with a pending-reminder map** (the pi two-phase shape) — rejected: post-execute alone sees `(exec, result)` together and also fires for denied calls, so one listener with no cross-event state covers strictly more attempts with less machinery. +- **Escalate to `block` at the highest threshold** — rejected for the initial scope: a blocked call punishes legitimate identical repeats (polling a long-running terminal, re-checking a file the agent expects to change), and an advisory reminder keeps the model in control. Revisit with evidence; the decision shape (`PostToolDecision`) already supports it. +- **A per-deployment external hook via the CC/Codex bridges** (a `PostToolUse` script) — rejected as the answer: it works for one deployment, but a shipped, unit-tested, `cordis.yml`-configurable plugin is the harness-native form, without per-call subprocess cost. +- **A loop-level step or repetition budget in `agent-loop`** — rejected: "plugins, not loop changes"; a hard step budget is a blunter, orthogonal control that would need its own proposal. +- **Fuzzy/near-identical detection** (normalized paths, similar-but-not-equal arguments) — rejected: exact match after canonicalization is cheap, deterministic, and explainable to the model; similarity thresholds invite false positives and need evidence before they earn complexity. +- **Placing the package in `core/`** — rejected: core is the product spine; a behavioral guard is an optional leaf plugin, and the `todo/` precedent is a small dedicated group per plugin family. + +## Consequences + +- The reminder is advisory by design: idempotent polling patterns that repeat identical calls on purpose still receive nudges past the thresholds, and the pressure valves are config (`thresholds`, `exclude`) plus reminder text that explicitly allows finishing when enough evidence has been gathered. Each trigger costs reminder tokens on the next request; thresholds bound the frequency. +- Chain state is in-memory only: a session resumed from persistence starts with a fresh chain, so a loop spanning a resume draws its reminders later than a live one — accepted, the guard is a heuristic nudge, not a logged invariant, and persisting counter state would buy little for real complexity. +- When multiple post-execute producers attach context on one call, the fold concatenates under the guard's `source`; ordering between plugins follows listener registration order. The seam cannot represent mixed provenance — a limit inherited from `HookContext`, not owned by this plugin. +- Implementing the snapshot tier surfaced a hidden assumption in the suite kit: the fixture guard equated "authored model scenario" with "override-driven". The `Scenario` table now carries an explicit `overridden` flag, and the sidecar's presence is checked BOTH ways against it (an unregistered stray sidecar would silently replace the derived script) — the suite kit is stricter than it was before this plugin existed. + +## Deferred + +- Compaction does not reset chains: a compacted history changes what the model sees, but the repetition risk usually survives compaction. +- Escalating to `block` at a high threshold is not implemented; `PostToolDecision` already supports it if evidence arrives. +- Subagent chains stay isolated per agent; no sharing mechanism exists until a concrete case appears. diff --git a/docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md b/docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md new file mode 100644 index 0000000000..3ec6c75cbc --- /dev/null +++ b/docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md @@ -0,0 +1,84 @@ +# RFC: The self-referential cordis toolset + +Status: implemented + +## Problem + +Everything in this harness is a cordis plugin, but the agent running inside that plugin runtime cannot see or touch it: it cannot enumerate the services and events around it, cannot extend itself with a new tool mid-session, and cannot compose capabilities it invents. Handing the model that power is worth exploring — a self-referential agent that inspects and modifies its own runtime — but it raises three correctness problems at once, and the design is about answering them rather than the raw "let the model run code" mechanic. + +First, model-written registration must be validated where it happens: a malformed tool schema has to fail at registration, not when a later request tries to assemble it into a prompt. Second, model-written code has to call service APIs whose source it has never seen — guessed method signatures and, worse, guessed return-value shapes cost many steps of blind probing. Third, everything the model mounts must be fully disposable, by the model on demand and by the ordinary plugin lifecycle when the host plugin reloads, or a long session accretes orphaned listeners and tools. + +## Decision + +The toolset ships as [`@deepseek-ai/dsh-tool-cordis`](../../../../packages/cordis/tool-cordis/README.md) — a new top-level `packages/cordis/` group — and is demoed by [`examples/cordis-agent`](../../../../examples/cordis-agent/README.md). It gives the model three tools over the live cordis runtime it is running inside: inspect it, mount model-written plugins into it, dispose them again. + +The trust stance, stated once and threaded through the rest: the `node:vm` sandbox isolates the global context only — it prevents accidental global pollution, not malice — and the `ctx` a mounted plugin's `apply` receives is a whitelist façade that narrows the *surface* (framework internals withheld) but not the *privilege* of what it exposes. The verbs the façade does expose reach the real runtime: a mounted tool can shell out through `ctx.bash`, read the filesystem through `ctx.fs`, reach the network through `ctx.web`. Neither the sandbox nor the façade is a security boundary; handing the model this power is the point of the toolset. A deployment loads this plugin exactly as deliberately as it grants a bash tool — an opt-in capability in the app's `cordis.yml`, never a product default. + +### The three tools + +| Tool | Contract | +|---|---| +| `cordis_inspect` | Read-only report over the live runtime, one Markdown section per `what` value (omit `what` for all sections). Never mutates. | +| `cordis_mount` | Evaluates `code` (the body of an async JavaScript function) in a `node:vm` sandbox; the code must `return` a cordis plugin, which is mounted as a child of the `cordis-dynamic` group fiber and tracked under a fresh id (`dyn-1`, `dyn-2`, …). | +| `cordis_unmount` | Disposes one dynamic mount by id and returns only after disposal reaches quiescence — every registration the plugin made is unwound, not merely requested to stop. | + +`cordis_inspect` sections: `services` (every provided ctx service and the owning fiber, non-active owners flagged), `plugins` (a flat list of every loaded plugin with its lifecycle state, from `ctx.registry` — what capabilities are loaded, deliberately not the tree shape), `tools` (what the model can call), `dynamic` (the mount table: id, name, state, provided services, awaited services), `api` (live service signatures + the type shapes they reference, from the generated catalog), and `events` (harness events with dispatch mode and signature). The model-facing tool descriptions carry the operational rules the model needs at call time; [the generated tool catalog](../../../tool-catalog.md) is their exhaustive rendering. + +### Sandbox semantics + +Mount code runs via `vm.createContext` + `runInContext`, wrapped as the body of an async function under a per-mount filename (`cordis-mount-<id>.js`). The vm gives the code a fresh realm: writes to `globalThis` stay inside the sandbox, and no Node API is handed in — capability access is *steered* toward the cordis services (`ctx.fs` for files, `ctx.web` for HTTP, `ctx.bash` for processes, the `ctx.timer` helpers for timing) rather than Node built-ins, so a well-behaved mount stays inspectable through `cordis_inspect` and disposable with its fiber. This is steering, not containment: consistent with the trust stance above, the small global surface keeps *honest* code on the cordis services but is not a security boundary — the host-realm helpers it exposes (`harness`, `console`, `btoa`) are reachable functions, so mount code that goes looking (through such a helper's `.constructor`, say) can still reach the host realm and Node itself, which is accepted because the `ctx` a mount ultimately receives is fully privileged anyway. The `vmTimeoutMs` config bounds only the synchronous portion of evaluation; an async body escapes the bound (also acceptable under the trust stance). + +Sandbox globals are deliberately small: a tagged write-through `console` (`[cordis:<id>] …` on the host stdout/stderr, so a listener that fires long after the mount call still lands somewhere the user sees), the `harness.defineTool` / `harness.registerTool` registration pair, the encoding primitives fresh vm contexts lack (`btoa`/`atob` as host closures over `Buffer` — a sanctioned exception, `Buffer` itself is never exposed — plus `TextEncoder`/`TextDecoder`), and callable traps over the withheld Node APIs (`require`, `setTimeout`/`setInterval`/`setImmediate`/`clearTimeout`/`clearInterval`, `fetch`) that throw a redirect naming the cordis alternative. Only function-shaped globals are trapped; `process` and `Buffer` stay `undefined` so a `typeof` feature probe stays inert rather than detonating a throwing accessor. + +Three boundary mechanisms make model-written code behave correctly across the realm seam. **Dual-realm `instanceof`**: most objects sandbox code touches are host-realm (tool `args`, event payloads, service returns), so a plain `x instanceof Array` in the vm would silently be false — a per-sandbox prelude gives the vm realm's own constructors a `Symbol.hasInstance` that checks both the vm constructor and its host counterpart, patching only vm-realm globals. **Realm normalization of tool results**: objects built inside the vm carry the vm realm's `Object.prototype`, which the session log's append-time plainness check (`isJsonValue` in `dsh-session`, a prototype-identity comparison) rejects, so the sandbox's `harness.defineTool` JSON round-trips every `execute` return into the host realm — which also projects it onto exactly what the log durably stores — and then shape-checks it against the two `ToolExecuteReturn` forms, so a JSON-valid but wrong-shape return (a bare string, `{ content: 'ok' }`) fails that one call with a teaching error instead of entering the log as corrupt tool-result content. **A whitelist context façade**: the `ctx` a mounted plugin's `apply` receives is NOT the real context nor a pass-through proxy over it — it is a façade exposing only what a mount legitimately needs (`tools.register` marker-guarded, a read-only `tools.get`/`schemas`, `on`/`once`, `provide`, the timer helpers, and the services the plugin DECLARED in `inject`), with every framework-plumbing member (`root`, `parent`, `fiber`, `reflect`, `registry`, `extend`, `isolate`, `intercept`, `plugin`, `set`, `mixin`, …) denied with a teaching error. This closes an escape *class* rather than a single hole: a proxy that merely special-cased `ctx.tools` still handed back the raw context through `ctx.root`, `ctx.extend()`, or a service instance's `.ctx`, and mount code could then `ctx.root.tools.register({…})` to bypass the marker check and realm normalization — a raw vm-realm result then errors a real agent turn at the plainness check. The façade has no context-valued member to reach, and the one indirect leak (an injected-service method returning a `Context`) is rejected on the way back to sandbox code. Two narrower rules complete the surface. First, **service access requires an `inject` declaration**: reaching a service the mount did not declare is refused even when a global provider is live — otherwise a mount could depend on a provider cordis never sees, and unmounting that provider would neither park the consumer nor unwind the tools it registered, leaving a model-visible tool that fails only at execution time. Because the read is gated on the declaration, cross-mount `provide`/`inject` keeps its lifecycle guarantees (the plugin's own `inject` and the fiber's pending/active gating drive activation and unload); only the `apply`-time `ctx` surface is narrowed. Second, **`ctx.tools.get` returns a read-only schema view** (name/description/parameters), never the live `ToolDefinition` — handing back the definition would expose its `execute`, letting mount code call another tool directly and bypass `ToolRegistry.execute` and its pre/post-execute hooks and accounting; a mount that wants to invoke a tool must go through the registry, and one that wants to introspect gets the same view `schemas()` returns. + +Boundary errors are written around the mistakes models actually make (see [Consequences](#consequences) for how each was found), and the boundary normalizes rather than lectures wherever the input has exactly one meaning: schema `parameters` accept the JSON-Schema dialect models write by strong prior — the `{ type: 'object', properties, required: […] }` wrapper unwraps to the SchemaSpec DSL (the `required` array becoming per-property flags, at any nesting level), `type: 'integer'` maps to `number`, and `required: false` reads as optional — while genuinely meaningless input is rejected with the vocabulary enumerated (an unknown type lists the five valid ones; a non-boolean `required` names the rule). The remaining teaching errors: an unbalanced `});` closing gets the vm's offending source line plus a "code is a function body" reminder; TypeScript syntax gets the remove-annotations fix (detected on the failing line only, so an ` as ` inside a description string does not misfire); a forgotten `return` gets the two valid plugin forms; a Node built-in call gets the redirect to its cordis service; a tool-name collision on re-mount gets the unmount-first-then-remount recipe. + +### The dynamic group and mount lifecycle + +Every dynamic mount is a child of a single `cordis-dynamic` group fiber, itself a child of the `tool-cordis` plugin's fiber. The group exists so the mounts form one subtree: they are disposed as a unit, and disposing `tool-cordis` (HMR reload, config unload) cascades over every mount through the ordinary parent→child fiber lifecycle — no bespoke cleanup. Mounting settles before it reports: the returned fiber is `await()`ed, and a startup error (a throwing `apply`, a duplicate tool name, a duplicate service) disposes the fiber and surfaces as the tool error, so a failed mount never lingers. A settled fiber that is not active is a legal pending mount — cordis semantics for unsatisfied `inject` — kept mounted and reported with what it waits for. Everything the plugin registers is an effect on its fiber, so `cordis_unmount` is nothing but an awaited `fiber.dispose()`. + +### Cross-mount composition via provide/inject + +Mounts relate to each other through ordinary cordis service semantics, with their ids as the lifecycle handles: mount A calls `ctx.provide('foo', value)`, mount B declares `inject: ['foo']` and activates the moment `foo` exists; mounted first, B stays pending and names the missing service; unmounting A sends B back to pending (its registrations unwound) and a later re-provide re-runs B's `apply` through a fresh sandbox façade; a duplicate provide fails loud with the owning fiber named. One realm caveat: a service value provided by a mount is a vm-realm object — method calls on it work from anywhere, but consumers must not assume host prototypes on it. + +### The generated API catalog + +`cordis_inspect what:"api"` and `what:"events"` answer from a machine-readable catalog generated at build time, never a hand-maintained table that would drift from the JSDoc it paraphrases. [`scripts/gen-cordis-api.ts`](../../../../scripts/gen-cordis-api.ts) reuses `collectServices` / `collectEvents` from [`scripts/gen-cordis-catalog.ts`](../../../../scripts/gen-cordis-catalog.ts) — the same AST walk that generates [the cordis service catalog](../../../cordis-catalog/services.md) and [events catalog](../../../cordis-catalog/events.md) — and emits `packages/cordis/tool-cordis/src/api-catalog.ts`, a committed, banner-commented data module. The artifact carries, per service, its key + one-line summary + raw method signatures; per event, name + `@mode` + signature + summary; the comment-stripped declarations of every exported type the service signatures reference (transitive closure — so a consumer sees that a bash run's `stdout` is `{ text, truncated }`, not a string); plus the curated inherited `ctx` surface shared with the cordis catalog generator. A type name declared in more than one package (each plugin's `Config`) is dropped as ambiguous, and an oversized declaration is truncated with a marker. + +Freshness is gated like every generated artifact: `pnpm run verify-cordis-api` (in `doc-sync`) regenerates in memory and fails on any diff, so a JSDoc edit that changes a public signature cannot ship without regenerating the catalog the model reads. At runtime the inspect tool intersects the catalog with the live runtime rather than dumping it: live catalogued services render summary + signatures, live services without a catalog entry (mount-provided ones) render name + owning fiber, catalogued services with no live provider are listed tersely, and the referenced type shapes follow. + +### Configuration, rendering, and observability + +The plugin exposes one config field, validated by schemastery and documented in [the config catalog](../../../config-catalog.md): `vmTimeoutMs` (default 5000), the millisecond bound on the synchronous portion of mount-code evaluation. Tool names, the `cordis-dynamic` group name, and the `dyn-` id prefix are structural vocabulary and stay fixed. All three tools render as `generic` cards per [the tool cookbook](../../../cookbook/adding-a-tool.md) (`cordis_inspect` a `read`, `cordis_mount` an `execute` carrying the code as `rawInput`, `cordis_unmount` a `delete`), with no `presentResult` overrides. + +Model-visible ⟺ logged holds with no new session event type: a mount or unmount is visible only through its own `tool/call` / `tool/result` pair, which the loop logs, and the changed tool set a mount induces is logged by the request-header delta the loop already emits when schemas change between steps. There is deliberately no `cordis/mount` provenance event — it would duplicate what the tool-call pair records. Dynamic mounts are process-lifetime, not session state: resuming a persisted session rehydrates the conversation but does not re-mount plugins. + +## Alternatives considered + +**A structured per-capability registration tool instead of `cordis_mount`.** The most tempting alternative is a `cordis_register_tool` with explicit `name` / `description` / `parameters` / `code` fields (and siblings `cordis_register_listener`, `cordis_register_service`, …) rather than a single "mount a plugin" primitive. It was rejected because its one real win — no plugin boilerplate for the single commonest case — does not pay for its costs, while a single mount primitive answers every capability at once. + +| Dimension | Structured per-capability tools | Single `cordis_mount` | +|---|---|---| +| Schema correctness | `parameters` is still a model-written JSON object needing SchemaSpec validation, merely one step earlier | The same validation runs at the sandbox boundary, with the same instructive errors | +| The code field | An `execute` body is still model-written JS in a vm; the realm and service-call correctness problems are unchanged | One sandbox, one normalization path, one guarded registration | +| Capability coverage | Tools only; listeners, services, `inject` relations each need another structured tool — a surface that grows without bound | One vocabulary (a cordis plugin) covers every effect, present and future | +| Cross-mount composition | Not expressible in a tool-registration payload | Native `provide`/`inject`, ordinary cordis semantics | +| Inspectability | Registers something the plugin list cannot show as a plugin | What the model mounts is exactly what `cordis_inspect` renders | +| Model ergonomics | Wins for the single most common case (no plugin boilerplate) | Mitigated by the canonical recipe in the mount description plus boundary errors that teach the fix | + +The correctness investment therefore goes where it pays for every capability at once: the generated API catalog surfaced through `cordis_inspect`, and sandbox-boundary validation whose error messages teach the correct call. A structured registration tool remains addable later as sugar that synthesizes mount code; nothing here forecloses it. + +**A hand-maintained service/event reference in the tool.** The first cut of the inspect tool carried a hand-written table of service method signatures. It was replaced by the generated `api-catalog.ts` because a hand table drifts from the JSDoc the moment a signature changes and nothing gates the drift, whereas the generated artifact is freshness-checked against the same AST the docs use. + +**A new `cordis/mount` session event.** A durable provenance event recording each mount (source, name) has clear precedent (`hook/invoked`, `compact/start`). It was declined for v1: mount and unmount are already visible as `tool/call` / `tool/result` pairs and the tool-set change is already logged as a request-header delta, so a dedicated event would only duplicate the record. It remains addable if an audit use case needs mount provenance separable from the tool call. + +**A hardened / capability-restricted sandbox.** Trapping Node built-ins and handing mount code a whitelist façade rather than the raw context might suggest an intent to sandbox for safety. It is explicitly not that: the traps and the façade narrow the *surface* mount code sees — steering it onto cordis services and away from leak-prone Node built-ins and framework internals — for correctness and to close the unguarded-context escape, but the capabilities the façade exposes (`ctx.bash`, `ctx.fs`, `ctx.web`) reach the real runtime, so it is not a security boundary. A real one (separate process, permission prompts) was out of scope for a dev/opt-in toolset and would fight the entire point — handing the model the live runtime. + +## Consequences + +The toolset is a deliberate opt-in with a fully-privileged `ctx`, so a deployment adopts it as consciously as a bash tool. Several facts follow that the tool descriptions warn the model about directly: a waterfall listener (e.g. `tools/pre-execute`) that returns without calling `next()` vetoes the chain, so a mounted listener can lobotomize the agent's own tool dispatch ([waterfall semantics](../../../cordis-primer.md#cordis-waterfall-semantics)); mount code runs inside a tool call of the current turn, so awaiting anything that resolves only after the turn deadlocks; `vmTimeoutMs` bounds synchronous evaluation only; and mounts do not survive session resume. + +The instructive boundary errors were not guessed — they were written against live self-design sessions in which a real model was asked to build itself coding tools. Those sessions surfaced the failure modes now mitigated: the model closed a returned plugin object with `});` and got only a bare `Unexpected token ')'` it retried blind; it hit a false-positive "this is TypeScript" hint because a description string contained the word "as"; it guessed a bash run's `stdout` was a string and burned six steps building throwaway debug tools to discover it is `{ text, truncated }`; and it wrote tool schemas in the JSON-Schema dialect (`type: 'integer'`, `required: false`, then the full wrapper) three rejections in a row — the rejection text itself pushing it from a nearly-correct DSL attempt back to raw JSON Schema. The fixes — source-line-plus-caret parse errors, line-scoped TypeScript detection, the type-shape closure in the API catalog, the redirect traps, and schema-dialect normalization in place of rejection — cut later sessions from dozens of tool calls with repeated errors to a first-try success on every capability, including a model that hit a Node-`setTimeout` trap and self-corrected to `inject: ['timer']` in one step. + +Coverage is named per tier: package unit specs drive the three tools through a real `ToolRegistry` on a real fiber tree (the mount success/failure family, vm isolation, dual-realm `instanceof`, realm normalization against the real `isJsonValue`, the SchemaSpec and raw-registration rejections, the Node-API traps, the cross-mount provide/inject matrix, catalog-backed `api`/`events` rendering, config validation, presenters, quiescent unmount, and the HMR cascade), a `MockAdapter` loop test proves a tool mounted in one step is dispatchable in the next, and the example carries a keyless Loader smoke plus a with-key smoke that world-verifies a live model mounting a listener, building its own tool, and composing two mounts. No snapshot scenario is added: the toolset ships in no ACP-served app, so it changes no editor-facing transcript, and its presenters are unit-tested pure functions — adding it to the ACP example solely for a golden would rewrite the pinned request-header tool set of every recorded scenario. diff --git a/docs/rfc/implemented/process/2026-06-11-doc-sync-enforcement.md b/docs/rfc/implemented/process/2026-06-11-doc-sync-enforcement.md index 8278a1d4b7..8fd37a1656 100644 --- a/docs/rfc/implemented/process/2026-06-11-doc-sync-enforcement.md +++ b/docs/rfc/implemented/process/2026-06-11-doc-sync-enforcement.md @@ -1,10 +1,8 @@ # RFC: Doc-sync enforcement -Status: implemented (accepted 2026-06-14) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem AGENTS.md promises that docs and code stay strictly in sync, but the promise was verified by eyeball. Review caught drift twice — a cookbook example contradicting the type policy, and a README citing the wrong `registerAdapter` call. Out-of-sync docs are worse than no docs, and this codebase is built primarily by agents that follow gates far more reliably than prose (mechanical quality gates). Two classes of doc drift are mechanically checkable: code blocks that no longer compile, and the event-taxonomy table that duplicates the `interface Events` declarations. @@ -13,15 +11,20 @@ AGENTS.md promises that docs and code stay strictly in sync, but the promise was Two gates, mirroring the existing `scripts/` style (tsx ESM, one job each): 1. **`doc-typecheck`** extracts every fenced ` ```ts ` block from `README.md`, `docs/**`, and `packages/*/README.md`, writes them to a temp project extending the root `tsconfig.json`, and compiles it with `tsc -b`. The temp project reuses the source `paths` map and the root project references, so documentation examples see source while vendored code remains checked under its own tsconfig settings. A block that is a deliberate sketch opts out with an explicit ` ```ts ignore-check ` info string; the script reports the opt-out ratio and fails if it exceeds half, so the escape hatch can't quietly become the norm. -2. **`verify-event-taxonomy`** extracts the event names from the `interface Events` blocks across `packages/*/src` and from the taxonomy table in `docs/architecture.md`, and asserts the two sets match exactly. Verify, don't generate: the table keeps its hand-written Mode/Purpose columns; only the set of names is checked. (Landing this surfaced three events the table had been missing — `tools/change`, `llm/adapter-change`, `system-prompt/change`.) **Superseded** by [the generated cordis catalog](2026-06-20-generated-cordis-catalog.md): this gate and its `architecture.md` table are retired in favor of a fully-generated `docs/cordis-catalog/events-and-services.md` and its `verify-cordis-catalog` freshness gate. The other gates here (`doc-typecheck`, and the `verify-md-wrap` amendment below) are unaffected. +2. **`verify-event-taxonomy`** extracts the event names from the `interface Events` blocks across `packages/*/src` and from the taxonomy table in `docs/architecture.md`, and asserts the two sets match exactly. Verify, don't generate: the table keeps its hand-written Mode/Purpose columns; only the set of names is checked. (Landing this surfaced three events the table had been missing — `tools/change`, `llm/adapter-change`, `system-prompt/change`.) **Superseded** by [the generated cordis catalog](2026-06-20-generated-cordis-catalog.md): this gate and its `architecture.md` table are retired in favor of the fully-generated `docs/cordis-catalog/events.md` + `docs/cordis-catalog/services.md` and their `verify-cordis-catalog` freshness gate. The other gates here (`doc-typecheck`, and the `verify-md-wrap` amendment below) are unaffected. -Both run via a shared `doc-sync` package.json script that the lefthook pre-push hook and CI both invoke ([mechanical quality gates](2026-06-11-quality-gates.md): hooks and CI call the same scripts, so the gate fires locally before a push — not only after it). They run after `pnpm run typecheck`, which validates the package/vendor build graph that doc-typecheck references. API-extractor golden reports ([the deferred API-extractor-reports proposal](../../proposed/process/2026-06-11-api-extractor-reports.md)) were deliberately **deferred** — low value for an internal monorepo where reviewers already see the source diff, and a heavy, finicky dependency. +Both run via a shared `doc-sync` package.json script that the lefthook pre-push hook and CI both invoke ([mechanical quality gates](2026-06-11-quality-gates.md): hooks and CI call the same scripts, so the gate fires locally before a push — not only after it). They run after `pnpm run typecheck`, which validates the package/vendor build graph that doc-typecheck references. **Amendment (2026-06-17):** a third gate, **`verify-md-wrap`**, was later folded into `doc-sync`. It parses each in-scope Markdown file (`README.md`, `docs/**`, `packages/*/README.md`, plus `AGENTS.md` / `packages/AGENTS.md`) with `mdast-util-from-markdown` + GFM and fails on any `paragraph` node spanning more than one source line, enforcing the docs/AGENTS.md "one physical line per paragraph" writing rule. Same verify-don't-generate principle: it reports hard-wraps and never rewrites, so it adds no formatting churn. `doc-sync` is now three gates. +## Alternatives considered + +- **API-extractor golden reports** ([the deferred proposal](../../proposed/process/2026-06-11-api-extractor-reports.md)) — deliberately deferred: low value for an internal monorepo where reviewers already see the source diff, and a heavy, finicky dependency. +- **Generating the taxonomy table from source** instead of verifying names — rejected as more machinery than the problem warranted; the table kept its hand-written Mode/Purpose columns until [the generated cordis catalog](2026-06-20-generated-cordis-catalog.md) superseded the check entirely. + ## Consequences - Doc drift in the checkable classes now fails the pre-push hook and CI instead of waiting for a reviewer to notice. This is an instance of the "mechanical gates over prose" principle. - Making doc snippets compile costs a few stub imports/`declare`s; the `ignore-check` ratio must stay low or the gate is theater (the ratio guard enforces this). -- The taxonomy check is name-only — a wrong Mode or Purpose column still needs human review. Generating the table from source was considered and rejected as more machinery than the problem warrants. +- The taxonomy check is name-only — a wrong Mode or Purpose column still needs human review. - API reports remain available to revisit if the packages are ever published externally. diff --git a/docs/rfc/implemented/process/2026-06-11-quality-gates.md b/docs/rfc/implemented/process/2026-06-11-quality-gates.md index 277a56fa2b..505cea90ff 100644 --- a/docs/rfc/implemented/process/2026-06-11-quality-gates.md +++ b/docs/rfc/implemented/process/2026-06-11-quality-gates.md @@ -1,10 +1,8 @@ # RFC: Mechanical quality gates over prose guidelines -Status: implemented (accepted 2026-06-11) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem This codebase is developed primarily by coding agents. Agents follow enforced gates far more reliably than prose conventions, and "a lot of work" is not a cost argument when agents do the labor. Early evidence: tests that didn't typecheck shipped (vitest doesn't typecheck) and were only caught by a review. @@ -16,10 +14,12 @@ Every AGENTS.md promise gets a command that exits non-zero, wired into git hooks - ESLint strict-type-checked + @stylistic (the house style, enforced); vendored code excluded. - Per-file 100% coverage on `packages/*/src` (v8); unreachable defensive guards carry `/* v8 ignore */ ` with stated reasons instead of deletion. - knip (dead code/deps), publint (package correctness), workspace constraints (workspace rules: private, cordis peer+dev, uniform version, ESM), and a NodeNext consumer typecheck for built package declarations. -- lefthook pre-commit (lint staged, typecheck, vendor-manifest guard) and pre-push (tests, hygiene); CI runs the full matrix on node 24/26 plus a demo smoke test driving the echo-agent end to end. +- lefthook pre-commit (lint staged, typecheck, vendor-manifest guard) and pre-push (tests, hygiene); CI runs the full matrix on node 22.19/24/26 plus a demo smoke test driving the echo-agent end to end. ## Consequences - Conventions survive agent turnover; violations fail fast and locally. - The gates themselves are code to maintain; config changes are reviewed like any change. - 100%-coverage pressure can produce assertion-free tests — mutation testing is the planned counterweight (see [the mutation-testing proposal](../../proposed/testing/2026-06-11-mutation-testing.md)). + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/implemented/process/2026-06-11-tsdown-over-dumble.md b/docs/rfc/implemented/process/2026-06-11-tsdown-over-dumble.md index dc028d7e9b..fd5f01590c 100644 --- a/docs/rfc/implemented/process/2026-06-11-tsdown-over-dumble.md +++ b/docs/rfc/implemented/process/2026-06-11-tsdown-over-dumble.md @@ -1,10 +1,8 @@ # RFC: tsdown for JS bundling instead of dumble -Status: implemented (accepted 2026-06-11) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The initial build used **dumble**, the cordiverse zero-config esbuild wrapper that upstream Cordis itself builds with — maximum alignment with the vendored packages' conventions (it reads each package.json and infers entries/formats from the `exports` field). But dumble is a liability as a load-bearing tool in this repo: v0.2.x, ~530 npm downloads/week, effectively one maintainer, and we were invoking it through a custom orchestration script (`scripts/build.ts`) because it has no workspace mode. @@ -19,7 +17,11 @@ Replace dumble with **tsdown** (rolldown-based, ~2.5M downloads/week, VoidZero-b - Two per-package overrides in vendor/ (ours, like the regenerated tsconfigs; logged in vendor/README.md): schemastery (dual `.mjs`/`.cjs` via `outExtensions`), logger-console (two single-entry passes so the shared base class is inlined into each entry instead of a hash-named chunk, matching upstream's published shape). - `scripts/build.ts` deleted; `pnpm run build` = `tsc -b tsconfig.build.json && tsdown`. -Alternatives considered: **direct esbuild script** (most established engine, zero wrapper risk, but hand-maintains the per-package spec table tsdown's workspace mode gives us); **pkgroll** (closest drop-in philosophically, but 78k dl/wk and Rollup-based — strictly weaker maintenance story than tsdown); **keep dumble** (perfect upstream alignment, unacceptable bus factor). +## Alternatives considered + +- **A direct esbuild script** — the most established engine and zero wrapper risk, but hand-maintains the per-package spec table tsdown's workspace mode gives us. +- **pkgroll** — the closest drop-in philosophically, but 78k downloads/week and Rollup-based: strictly weaker maintenance story than tsdown. +- **Keep dumble** — perfect upstream alignment, unacceptable bus factor. ## Consequences diff --git a/docs/rfc/implemented/process/2026-06-11-vendor-cordis-as-source.md b/docs/rfc/implemented/process/2026-06-11-vendor-cordis-as-source.md index 8b2e29e17c..2aa24907d5 100644 --- a/docs/rfc/implemented/process/2026-06-11-vendor-cordis-as-source.md +++ b/docs/rfc/implemented/process/2026-06-11-vendor-cordis-as-source.md @@ -1,12 +1,10 @@ # RFC: Vendor Cordis as source, not npm dependencies -Status: implemented (accepted 2026-06-11) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> +## Problem -## Context - -DeepSeek Code is built on the Cordis framework. Cordis core was at 4.0.0-rc.6 (a release candidate) when this repo started; the harness depends on framework internals (fiber lifecycle, effect disposal, waterfall dispatch) whose exact behavior matters to the agent loop's correctness guarantees. +DeepSeek Harness SDK is built on the Cordis framework. Cordis core was at 4.0.0-rc.6 (a release candidate) when this repo started; the harness depends on framework internals (fiber lifecycle, effect disposal, waterfall dispatch) whose exact behavior matters to the agent loop's correctness guarantees. ## Decision @@ -14,6 +12,11 @@ Copy the needed Cordis packages (core, loader, include, group, timer, hmr, logge `vendor/README.md` is the manifest: upstream repo + commit SHA per package and an exhaustive local-modification log. A pre-commit guard (`scripts/check-vendor-manifest.sh`) rejects vendored-source changes that don't update the manifest in the same commit. +## Alternatives considered + +- **Depend on the npm packages** — rejected: core was at a release candidate, and the harness leans on framework internals (fiber lifecycle, effect disposal, waterfall dispatch) whose exact behavior the agent loop's correctness guarantees depend on; an upstream RC bump could break them without a local fix path. +- **Vendor everything transitively** — rejected: truly third-party dependencies (js-yaml, chokidar, @standard-schema/spec, …) stay on npm; only the framework layer whose internals matter is owned. + ## Consequences - The harness fully owns its framework layer: auditable, patchable, pinned — an RC upstream can't break us, and we can fix framework bugs in-tree. diff --git a/docs/rfc/implemented/process/2026-06-16-pnpm-over-yarn.md b/docs/rfc/implemented/process/2026-06-16-pnpm-over-yarn.md index 2d549fa9b9..6ea62b2c4e 100644 --- a/docs/rfc/implemented/process/2026-06-16-pnpm-over-yarn.md +++ b/docs/rfc/implemented/process/2026-06-16-pnpm-over-yarn.md @@ -1,10 +1,8 @@ # RFC: pnpm as the package manager instead of Yarn 4 -Status: implemented (accepted 2026-06-16) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The repo shipped on **Yarn 4** with the `node-modules` linker — a deliberately conservative choice that behaves like npm's flat layout while giving us Yarn's workspaces and `yarn constraints`. It worked. But Yarn 4's Plug'n'Play heritage makes the `node-modules` linker the off-the-beaten-path mode, and the broader JS ecosystem — tooling defaults, CI actions, Corepack examples, contributor familiarity — increasingly centers on pnpm. For a repo that is built primarily by agents and read by occasional human contributors, "the package manager most tools and people expect" has real value: fewer surprises, better-trodden failure paths, more copy-pasteable answers. @@ -20,7 +18,11 @@ Adopt **pnpm 11.7.0**, pinned via the `packageManager` field and installed throu - **Constraints become package-manager-independent.** `yarn.config.cjs` (which imported `@yarnpkg/types` and used `Yarn.workspaces()` / `workspace.set()`) is replaced by `scripts/check-workspace-constraints.ts`, a plain tsx script run as `pnpm run constraints`. It enforces the identical invariants — every package `private: true`; `@deepseek-ai/dsh-*` packages declare `cordis` as both a peer- and dev-dependency with matching ranges, `version: 0.0.1`, `type: module`; vendored packages checked for privacy only — over the same `vendor` + `packages` scope. - All `yarn …` verbs across CI, lefthook hooks, `package.json` scripts, and docs become `pnpm …` / `pnpm run …`. `yarn.lock` → `pnpm-lock.yaml` (lockfile v9). `.gitignore` swaps `.yarn/` for `.pnpm-store/`. Vendored READMEs (e.g. `vendor/cordis/README.md`) keep their upstream `yarn` examples untouched per the Vendoring Policy. -Alternatives considered: **keep Yarn 4** (zero churn, but bets on the less-traveled linker mode and a constraints engine tied to one package manager); **npm workspaces** (ubiquitous, but no constraints story and weaker monorepo ergonomics); **pnpm with hoisted linker** (smoother migration, but throws away the phantom-dependency safety that is the main correctness reason to move). +## Alternatives considered + +- **Keep Yarn 4** — zero churn, but bets on the less-traveled linker mode and a constraints engine tied to one package manager. +- **npm workspaces** — ubiquitous, but no constraints story and weaker monorepo ergonomics. +- **pnpm with the hoisted linker** — smoother migration, but throws away the phantom-dependency safety that is the main correctness reason to move. ## Consequences diff --git a/docs/rfc/implemented/process/2026-06-17-ts-build-config.md b/docs/rfc/implemented/process/2026-06-17-ts-build-config.md index a45962c70e..0687df250c 100644 --- a/docs/rfc/implemented/process/2026-06-17-ts-build-config.md +++ b/docs/rfc/implemented/process/2026-06-17-ts-build-config.md @@ -1,10 +1,8 @@ # RFC: TSC-first build and one tsconfig -Status: implemented (accepted 2026-06-20) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The current TypeScript build and typecheck setup had these issues: @@ -57,6 +55,11 @@ tsc -b tsconfig.json `pnpm run demo:*` still runs `src` directly through tsx and root paths, without a compile step. +## Alternatives considered + +- **Keep `tsdown`/oxc as the TypeScript transformer** — oxc's transform is not `tsc` behavior (decorator transform differs, bundled JS differs from per-file emit), and its bundled `.d.ts` conflicts with Cordis' internal relative module augmentation shape. +- **One root strict program over packages, vendor, examples, tests, and scripts** — vendor source triggers type errors outside this project's ownership under the root strict flags; project references with per-project strictness are the boundary that works. + ## Consequences Build responsibilities are clearer: diff --git a/docs/rfc/implemented/process/2026-06-18-markdown-cross-link-lint.md b/docs/rfc/implemented/process/2026-06-18-markdown-cross-link-lint.md index c4c0ca5afb..db98c2fb7d 100644 --- a/docs/rfc/implemented/process/2026-06-18-markdown-cross-link-lint.md +++ b/docs/rfc/implemented/process/2026-06-18-markdown-cross-link-lint.md @@ -1,8 +1,8 @@ # RFC: Markdown cross-link validity linting -Status: implemented (proposed 2026-06-18, accepted 2026-06-18) +Status: implemented -## Context +## Problem Docs in this repo link to each other by relative path — `[topic](../implemented/2026-…-….md)`, `[the cookbook](adding-a-tool.md)`, `[architecture.md](../../architecture.md)`. Nothing verified those targets exist. A rename or a move silently breaks every inbound link, and the break is invisible until a reader clicks it. [Doc-sync enforcement](2026-06-11-doc-sync-enforcement.md) already mechanized two classes of doc drift (uncompilable code blocks, a stale event-taxonomy table) and [verify-md-wrap](2026-06-11-doc-sync-enforcement.md) a third (hard-wrapped prose) — but a dead cross-link is a fourth, equally mechanical class that was still verified by eyeball. @@ -18,11 +18,14 @@ A fourth `doc-sync` gate, `verify-md-links` (`scripts/verify-md-links.ts`), mirr Scope matches the other gates plus the AGENTS.md pair and the repo-authored agent-skill Markdown under `.agents/skills/` (those skill files cross-link into the docs tree, so this reorg rewrote links in them too): `README.md`, `docs/**/*.md`, `packages/*/README.md`, `AGENTS.md`, `packages/AGENTS.md`, `.agents/skills/**/*.md`, deduped by real path (the `CLAUDE.md` symlinks resolve onto the AGENTS.md files). It is wired into the `doc-sync` script that the lefthook pre-push hook and CI both run, so a broken link fails locally before a push — consistent with [mechanical quality gates](2026-06-11-quality-gates.md). -This gate checks *existence*, not anchor validity: a link to a real file with a `#wrong-heading` fragment still passes (the file resolves; the fragment is stripped). Anchor-level checking is a heavier, lower-value follow-up — file-level dead links are the failure that actually bit us. +This gate checks *existence*, not anchor validity: a link to a real file with a `#wrong-heading` fragment still passes (the file resolves; the fragment is stripped). + +## Alternatives considered + +**Anchor-level validity checking** — heavier and lower-value; file-level dead links are the failure that actually bit. The scope cut is deliberate: authors verify `#fragment` anchors themselves when linking to one. ## Consequences - Renames and moves that orphan a cross-link now fail the pre-push hook and CI instead of waiting for a reader to click a dead link. This made the RFC reorganization that introduced the gate self-verifying: the same PR that rewrote forty links also added the check that proves none dangle. - One more fast tsx script in the `doc-sync` chain; no new dependency (the mdast/GFM stack is already in devDependencies for `verify-md-wrap`). -- Fragment/anchor validity remains unchecked — a known, deliberate scope cut. - The convention this enforces — cross-reference docs by machine-checkable relative link, never by bare prose or a number — is documented in [docs/AGENTS.md](../../../AGENTS.md) so authors know the gate exists and why. diff --git a/docs/rfc/implemented/process/2026-06-20-core-data-structures-catalog.md b/docs/rfc/implemented/process/2026-06-20-core-data-structures-catalog.md index d578d8091c..37678096ab 100644 --- a/docs/rfc/implemented/process/2026-06-20-core-data-structures-catalog.md +++ b/docs/rfc/implemented/process/2026-06-20-core-data-structures-catalog.md @@ -1,10 +1,8 @@ # RFC: Core-data-structures catalog and the `ts type-equiv` drift gate -Status: implemented (accepted 2026-06-20) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem A reader trying to understand the harness could find its *behavior* in [architecture.md](../../../architecture.md) (the service map, the session/turn/step lifecycle, the event taxonomy) but had no single place describing its *vocabulary* — the data structures that behavior moves around. The type shapes lived only in source, scattered across `packages/*/src/types.ts`, so understanding "what is a `Message`, a `SessionEvent`, a `StreamChunk`" meant reading the declarations directly. A prose catalog would help, but a catalog that paraphrases or paste-copies type definitions rots the instant a field changes — and an out-of-sync type doc is worse than none, because a reader trusts it. @@ -40,6 +38,12 @@ The durability requirement was specific: the doc should show the **literal** cur `verify-type-equiv` catches a *drifted paste* of an already-documented type, but it cannot tell you a brand-new core type went undocumented. So AGENTS.md and the `dsh-code-review` skill were updated to require keeping the catalog in sync when a change adds or reshapes a documented type — the gate handles drift, the human handles new surface. +## Alternatives considered + +- **A flat dump of all cross-package vocabulary** — the `BashExecRequest` test case killed it: if seam vocabulary is "core", the catalog helps no one; the tiered spine-vs-seam structure won. +- **A compiled `_Check` assignability assertion** instead of the verbatim source match — rejected because byte-equality, not assignability, is the property we want: a renamed field with the same type would pass assignability. +- **Provenance as directive comments in the prose** — rejected for the central manifest, whose enforced 1:1 correspondence means a block can never be silently unchecked and an entry can never rot. + ## Process The design was driven entirely by a one-question-at-a-time grilling that walked the scoping decision tree through concrete examples (`BashExecRequest`, `ToolSchema`, `ToolDefinition`, the schema DSL, the presentation types, the session/persistence split) before committing to the spine-vs-seam rule — the rule was the *output* of the examples, not an a-priori axiom. The implementation landed as four commits mirroring the structure of the work: the gate (`e97f94b`), the catalog (`7e33c7b`), the maintenance-guard updates (`53e01a0`), and a review-fix commit (`6da7a0f`). diff --git a/docs/rfc/implemented/process/2026-06-20-generated-cordis-catalog.md b/docs/rfc/implemented/process/2026-06-20-generated-cordis-catalog.md index ae07f4b14c..f0b175303c 100644 --- a/docs/rfc/implemented/process/2026-06-20-generated-cordis-catalog.md +++ b/docs/rfc/implemented/process/2026-06-20-generated-cordis-catalog.md @@ -1,10 +1,8 @@ # RFC: Generated cordis events + services catalog -Status: implemented (accepted 2026-06-20) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem A plugin author needs two reference surfaces that no single document gave them: every cordis **event** they can listen to (with its exact signature and dispatch mode) and every `ctx.<key>` **service** they can call (with its exact interface). The pieces existed but were scattered — a hand-maintained event-taxonomy *table* in `docs/architecture.md` (names + prose Mode/Purpose, name-set-checked by `verify-event-taxonomy`), a Service-map table (8 rows of role prose), and the `interface Events` / `interface Context` declarations themselves. The taxonomy table also could not catch a brand-new *undocumented* event: a name-set verifier only checks the names that are already in the table on both sides. @@ -14,7 +12,7 @@ This is the wiring-axis complement to the [core-data-structures catalog](../../. Generate the catalog from source instead of hand-maintaining a table and verifying a subset. -`scripts/gen-cordis-catalog.ts` walks the `interface Events` and `interface Context` declarations (plus the service classes) with the TypeScript compiler API and emits `docs/cordis-catalog/events-and-services.md` — one `## Events` section (grouped by scope, each event rendered as signature + mode badge + its source JSDoc) and one `## Services` section (each `ctx.<key>` with its public method signatures + class JSDoc). It mirrors the `gen-module-graph` pattern exactly: `--write` regenerates, `--check` fails if the committed file is stale, output is deterministic (sorted), and the file is a build artifact that is never hand-edited. `verify-cordis-catalog` (the `--check`) runs inside `doc-sync`, so the freshness gate fires in the same lefthook pre-push and CI paths as every other doc gate. +`scripts/gen-cordis-catalog.ts` walks the `interface Events` and `interface Context` declarations (plus the service classes) with the TypeScript compiler API and emits two sibling pages: `docs/cordis-catalog/events.md` (events grouped by scope, each rendered as signature + mode badge + its source JSDoc, plus the dispatch-mode legend) and `docs/cordis-catalog/services.md` (each `ctx.<key>` with its public method signatures + class JSDoc). The two axes are separate documents — a reader is either finding what to listen to or what to call, and each page scans and deep-links as its own reference instead of one long combined scroll. It mirrors the `gen-module-graph` pattern exactly: `--write` regenerates both, `--check` fails if either committed file is stale, output is deterministic (sorted), and the files are build artifacts that are never hand-edited. `verify-cordis-catalog` (the `--check`) runs inside `doc-sync`, so the freshness gate fires in the same lefthook pre-push and CI paths as every other doc gate. Pure generation is correct here because the codebase is disciplined enough that the AST is the whole truth: every event/service name is a string literal that round-trips to a static declaration — there are no dynamically-named events and no runtime-only services. So a generated doc cannot be wrong, and it closes the undocumented-event gap structurally (generation enumerates source rather than checking a hand-written subset). @@ -25,7 +23,13 @@ Specific choices: - **Cross-links to the data-structure catalog.** A type name in a signature (`GenerateOptions`, `StreamChunk`, `ToolDefinition`, …) links to the core-data-structures page that documents it. The map is a small hand-curated const in the generator — NOT `type-equiv.manifest.json`, which documents the `…Map` symbols while signatures reference the derived union names, and lists a few symbols on two pages. - **A dedicated fence.** Signature blocks use a ` ```ts cordis-catalog ` info string that `doc-typecheck` recognizes and skips (a bare signature fragment is not standalone-compilable), excluded from the opt-out ratio — the same treatment `type-equiv` blocks get. -This **supersedes the event-taxonomy half** of [doc-sync enforcement](2026-06-11-doc-sync-enforcement.md): `verify-event-taxonomy` and its `docs/architecture.md` table are retired (the architecture.md heading stays, its body now points at the catalog; the Service-map role table stays as curated prose). The verify-don't-generate principle that RFC chose for the taxonomy is reversed *for this surface only* — the data here is mechanically complete, so generation is strictly stronger (full signatures, cannot drift, catches undocumented events) than a name-set check of a hand-table. doc-typecheck, verify-md-wrap, verify-md-links, and verify-type-equiv are unchanged. +This **supersedes the event-taxonomy half** of [doc-sync enforcement](2026-06-11-doc-sync-enforcement.md): `verify-event-taxonomy` and its `docs/architecture.md` table are retired (the architecture.md heading stays, its body now points at the catalog; the Service-map role table stays as curated prose). doc-typecheck, verify-md-wrap, verify-md-links, and verify-type-equiv are unchanged. + +## Alternatives considered + +- **Verify-don't-generate, as the retired taxonomy check did** — reversed *for this surface only*: the data here is mechanically complete, so generation is strictly stronger (full signatures, cannot drift, catches undocumented events) than a name-set check of a hand-maintained table. +- **Walking the vendor AST for the inherited tier** — rejected for the curated table: the cordis-core `Context` mixes true ctx members with non-service fields, and the pinned vendor surface changes only on a deliberate sync. +- **Reusing `type-equiv.manifest.json` as the signature cross-link map** — rejected for a small hand-curated const: the manifest documents the `…Map` symbols while signatures reference the derived union names, and it lists a few symbols on two pages. ## Consequences diff --git a/docs/rfc/implemented/process/2026-06-20-rfc-classification.md b/docs/rfc/implemented/process/2026-06-20-rfc-classification.md index d3fc95399b..2162687225 100644 --- a/docs/rfc/implemented/process/2026-06-20-rfc-classification.md +++ b/docs/rfc/implemented/process/2026-06-20-rfc-classification.md @@ -1,8 +1,8 @@ # RFC: Classify RFCs by kind via path-encoded subdirectories -Status: implemented (proposed 2026-06-20, accepted 2026-06-20) +Status: implemented -## Context +## Problem `docs/rfc/` grouped RFCs by **lifecycle** only — `proposed/` / `implemented/` / `rejected/`. Nothing recorded what *kind* of decision each RFC was. The index was one flat list per lifecycle, with no way to scan "show me every simplification" or "every testing-strategy decision." A wave of simplification RFCs landing on the same day made the gap concrete: a reader skimming `proposed/` could not tell a new capability from a removal from a tooling-policy change without opening each file. @@ -29,18 +29,18 @@ The `architecture` / `process` line: **architecture** is about the source we shi Both are `doc-sync` members, in the `verify-md-wrap` style (tsx ESM, verify-don't-generate, exit non-zero on the first violation): -- **`scripts/verify-rfc-classification.ts`** — the closed set and index completeness. It asserts every file under a lifecycle folder lives in a class folder from the canonical set (a loose `.md` at a lifecycle root, or an unknown class folder, fails), and that `README.md` lists every RFC exactly once under the `###` heading matching its `{lifecycle}/{class}` path. The canonical class set lives as a `const` in this script — the machine source of truth — and [the index](../../README.md) documents it in prose; the two are kept in sync by hand (the README's completeness is gated, its class *descriptions* are not). This mirrors `verify-event-taxonomy`, which checks a doc table against source. -- **`scripts/verify-doc-refs.ts`** — source comments that cite docs. RFC paths are referenced not only from Markdown but from TypeScript doc comments (root-relative prose like `docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md`). `verify-md-links` never saw those, so the reorg could have silently orphaned them. This gate scans repo-authored `.ts` under `packages/**` and `examples/**` (excluding built `lib/` and `vendor/`) for `docs/….md` tokens, resolves each root-relative, and asserts it exists. It requires the `.md` extension so extensionless prose (`docs/postmortem/0001`, `docs/architecture.md § plugin checklist`) is left alone. +- **`scripts/verify-rfc-classification.ts`** — the closed set and index freshness. It asserts every file under a lifecycle folder lives in a class folder from the canonical set (a loose `.md` at a lifecycle root, or an unknown class folder, fails), and that the generated [INDEX.md](../../INDEX.md) byte-matches a fresh render from the tree (see [generate the RFC index tables](2026-07-04-generate-rfc-index-tables.md)). The canonical class set lives as a `const` in `scripts/rfc-index.ts` — the machine source of truth shared with the generator — and [the README](../../README.md) documents it in prose; the class *descriptions* stay hand-written, the index is generated. +- **`scripts/verify-doc-refs.ts`** — source comments that cite docs. RFC paths are referenced not only from Markdown but from TypeScript doc comments (root-relative prose like `docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md`). `verify-md-links` never saw those, so the reorg could have silently orphaned them. This gate scans repo-authored `.ts` under `packages/**` and `examples/**` (excluding built `lib/` and `vendor/`) for `docs/….md` tokens, resolves each root-relative, and asserts it exists. It requires the `.md` extension so extensionless prose (`docs/postmortem/0001`, `docs/architecture.md § Extending The Harness`) is left alone. -### Rejected alternatives +## Alternatives considered - **A `Classification:` prose line** in each file (next to `Status:`), parsed by the gate. Workable, but it duplicates into the file a fact the path can already carry, and a line can disagree with its folder. Path-encoding makes the label and its storage the same thing — there is nothing to keep in sync. - **A `refactor` class.** It overlaps `simplification` almost entirely; the only discriminator anyone reached for was "does observable behavior change?", which `simplification` already encodes (it does not). One class, not two. -- **Auto-generating the README index** from the filesystem. Rejected to keep the index hand-written like every other doc here; the completeness gate gives the same drift-protection without generated Markdown in a curated file. +- **Auto-generating the index** from the filesystem. Rejected here to keep the index hand-written; superseded by [generate the RFC index tables](2026-07-04-generate-rfc-index-tables.md) once stacked proposal waves made the hand-written tables the repo's most conflict-prone docs region — the list is now the fully generated [INDEX.md](../../INDEX.md) while the README prose stays curated. ## Consequences - Every RFC now sits under a class folder, and the index groups by class within each lifecycle. A reader scans one heading to see all simplifications, or all testing decisions. - Two more fast tsx scripts in the `doc-sync` chain; no new dependency (the mdast/GFM stack was already present for `verify-md-wrap`/`verify-md-links`). -- Adding a class is a deliberate act: amend the `const` in `verify-rfc-classification.ts` and the [Classification section](../../README.md#classification), not just `mkdir` a folder. The gate rejects an unknown folder, so an ad-hoc class can't slip in. +- Adding a class is a deliberate act: amend the `const` in `scripts/rfc-index.ts` and the [Classification section](../../README.md#classification), not just `mkdir` a folder. The gate rejects an unknown folder, so an ad-hoc class can't slip in. - Source-comment doc references are now gated too — a moved or renamed doc that a `.ts` comment cites fails the pre-push hook, closing a drift class `verify-md-links` structurally could not see. diff --git a/docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.i18n.yaml b/docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.i18n.yaml index f409941924..ecbd6f196b 100644 --- a/docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.i18n.yaml +++ b/docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.i18n.yaml @@ -2,5 +2,5 @@ # side as of the last confirmed-consistent state. Both languages carry equal authority; # after editing either side, bring the other along and re-record with: # pnpm run verify-translation-pairing --write -2026-07-02-bilingual-docs-and-pairing-gate.md: 764ad5a9345c2a138b56e9cedb54848a5f7d6054 -2026-07-02-bilingual-docs-and-pairing-gate.zh.md: c752d76f12f556ce190bf80c4f3a531c0821be8e +2026-07-02-bilingual-docs-and-pairing-gate.md: 8731fef46b16cfa20d223575c70774cff780a6aa +2026-07-02-bilingual-docs-and-pairing-gate.zh.md: ce2589498ab16cf5ca2f5cdb3f58d031aeb8298f diff --git a/docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.md b/docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.md index 764ad5a934..1e96622e7f 100644 --- a/docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.md +++ b/docs/rfc/implemented/process/2026-07-02-bilingual-docs-and-pairing-gate.md @@ -1,8 +1,10 @@ -# Bilingual documentation via paired sibling files and a pairing gate +# RFC: Bilingual documentation via paired sibling files and a pairing gate + +Status: implemented English | [中文](2026-07-02-bilingual-docs-and-pairing-gate.zh.md) -## Context +## Problem This repo's README and docs tree are read by people and agents inside and outside the company, in both English and Chinese. Maintaining a second language by hand, with no mechanism, is how translations rot: one side moves on, the other silently lies, and no gate notices. The repo's standing answer to invariants of this kind is to encode them as a mechanical check (see [quality gates](2026-06-11-quality-gates.md) and [doc-sync enforcement](2026-06-11-doc-sync-enforcement.md)), so the bilingual policy ships with one. diff --git a/docs/rfc/implemented/process/2026-07-02-tool-schema-catalog.md b/docs/rfc/implemented/process/2026-07-02-tool-schema-catalog.md index a085568429..3e0b719ffd 100644 --- a/docs/rfc/implemented/process/2026-07-02-tool-schema-catalog.md +++ b/docs/rfc/implemented/process/2026-07-02-tool-schema-catalog.md @@ -1,10 +1,10 @@ # RFC: Generated tool-schema catalog (boot-and-harvest) -Status: implemented (accepted 2026-07-02) +Status: implemented -## Context +## Problem -A reader — a plugin author, a prompt engineer, someone auditing what the agent can do — has no single place that lists the model-facing tools the harness ships. The `name` / `description` / JSON-Schema `parameters` a tool contributes are what the model actually receives (via `ctx.systemPrompt.tools()` off `ctx.tools.schemas()`), but they are scattered across each `defineTool` call in each `packages/*/tool-*` package, buried in string concatenation and runtime spreads. The [cordis events & services catalog](../../../cordis-catalog/events-and-services.md) ([its RFC](2026-06-20-generated-cordis-catalog.md)) documents the *wiring* a plugin works against and the [core-data-structures catalog](../../../core-data-structures/core.md) documents the *vocabulary* those signatures move — but neither documents the *tools* the agent is offered. This RFC adds that third reference surface, `docs/tool-catalog/tools.md`, and a freshness gate so it cannot drift. +A reader — a plugin author, a prompt engineer, someone auditing what the agent can do — has no single place that lists the model-facing tools the harness ships. The `name` / `description` / JSON-Schema `parameters` a tool contributes are what the model actually receives (via `ctx.systemPrompt.tools()` off `ctx.tools.schemas()`), but they are scattered across each `defineTool` call in each `packages/*/tool-*` package, buried in string concatenation and runtime spreads. The cordis [events](../../../cordis-catalog/events.md) & [services](../../../cordis-catalog/services.md) catalogs ([their RFC](2026-06-20-generated-cordis-catalog.md)) document the *wiring* a plugin works against and the [core-data-structures catalog](../../../core-data-structures/core.md) documents the *vocabulary* those signatures move — but neither documents the *tools* the agent is offered. This RFC adds that third reference surface, `docs/tool-catalog.md`, and a freshness gate so it cannot drift. ## Decision @@ -39,6 +39,12 @@ The unit is the PACKAGE, not the deployed tool instance. A package's registered Schema blocks use ` ```json `, not a bespoke `ts`-family fence. `doc-typecheck` only extracts `ts*` fences, so a JSON block is invisible to it — no `BlockKind` wiring is needed (unlike the cordis catalog's `ts cordis-catalog` fence, which had to be allowlisted so a bare signature fragment isn't compiled). +## Alternatives considered + +- **A pure TypeScript-AST pass, like the cordis catalog** — tool schemas are not statically knowable (the crux above): runtime spreads, string concatenation, config-chosen names, and raw `ctx.tools.register()` registrations all make an AST-derived doc lie. +- **Inferring each package's boot recipe from its injects** — the "too clever" path [the discover-package-inventory proposal](../../proposed/process/2026-06-20-discover-package-inventory.md) warns against; the recipe stays hand-written policy while the inventory is discovered and completeness-guarded. +- **A bespoke `ts`-family fence for schema blocks** — unnecessary: a plain ` ```json ` fence is invisible to `doc-typecheck`, so no `BlockKind` allowlisting is needed. + ## Consequences - The catalog cannot drift: a tool schema change the committed file doesn't reflect fails `verify-tool-catalog` in the pre-push hook and CI. A new `tool-*` package not added to the manifest fails the completeness guard outright. diff --git a/docs/rfc/implemented/process/2026-07-03-documentation-graph-atlas.md b/docs/rfc/implemented/process/2026-07-03-documentation-graph-atlas.md new file mode 100644 index 0000000000..a17973ea2e --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-03-documentation-graph-atlas.md @@ -0,0 +1,67 @@ +# RFC: Documentation graph index for maintainers and SDK users + +Status: implemented + +## Problem + +The repo already had several high-trust documentation surfaces, each on a different axis: [module-graph.md](../../../module-graph.md) is generated from package `peerDependencies`, the generated [Cordis events](../../../cordis-catalog/events.md) and [services](../../../cordis-catalog/services.md) catalogs are generated from Cordis `Events` and `Context` declarations, [tool-catalog.md](../../../tool-catalog.md) is generated by booting shipped tool plugins, and [core-data-structures/](../../../core-data-structures/core.md) uses `ts type-equiv` blocks to keep pasted type definitions synchronized with source. + +Those references are accurate, but they are mostly catalogs. A maintainer still has to synthesize the relationships: which packages form a capability seam, which app bundles a concrete spine, which event is durable vs live, where a hook or policy plugin can intercept work, and which model-facing tool depends on which service. An SDK user has the same problem from another angle: "Which package do I install or load for the behavior I want, and which event/service/tool do I extend?" + +The hooks subsystem makes event producer/consumer topology and interception points much more important, and the filesystem seam makes capability seams, policy vetoes, tool presentation, and SDK assembly paths much more important — relationship graphs scoped to a small bash/todo/subagent surface would have gone stale immediately. + +## Decision + +Add generated relationship graph docs, indexed at [docs/graph-atlas.md](../../../graph-atlas.md), produced by focused generators and verified by `pnpm run verify-doc-graphs` / existing catalog freshness checks as part of `doc-sync`. + +The index is a relationship layer above the existing catalogs. It does not replace exact references; instead, it links to them and explains how their pieces fit together. + +### Maintenance modes + +Every graph page declares one maintenance mode: + +- **Generated**: all nodes and edges are discovered from source; `--check` fails if the committed artifact is stale. +- **Hybrid generated**: source discovers the inventory, a small manifest classifies irreducible policy, and a completeness guard fails if discovered items are unclassified. +- **Curated**: the diagram explains design intent, temporal order, or ownership; it is emitted by the generator so the graph docs remain a regenerated unit, but the content is deliberately authored. + +### First shipped index + +The first index links ten relationship surfaces. Package topology and tool-package affordances live in the existing generated catalogs that already own those facts; the remaining focused diagrams are generated by `scripts/gen-doc-graphs.ts`. + +| Graph | Maintenance mode | Source of truth | +|---|---|---| +| [module dependency graph](../../../module-graph.md) | generated | `packages/*/*/package.json` peer dependencies plus package group paths | +| [tool schema catalog and package map](../../../tool-catalog.md) | generated | boot-harvested tool schemas plus tool-package service/effect metadata | +| [capability seams and core services](../../../capability-seams.md) | hybrid generated | Cordis service declarations plus a role manifest in `gen-doc-graphs.ts` | +| [echo-agent app composition](../../../../examples/echo-agent/composition.md) | hybrid generated | `examples/echo-agent/cordis.yml` plugin list plus curated app/bundle expansion | +| [coding-agent app composition](../../../../examples/coding-agent/composition.md) | hybrid generated | `examples/coding-agent/cordis.yml` plugin list plus curated app/bundle expansion | +| [acp-agent app composition](../../../../examples/acp-agent/composition.md) | hybrid generated | `examples/acp-agent/cordis.yml` plugin list plus curated app/bundle expansion | +| [event producer/consumer matrix](../../../event-producer-consumer.md) | hybrid generated | Cordis event declarations, AST-scanned `ctx.on/emit/parallel/serial/waterfall` sites, and explicit dynamic dispatch overrides | +| [agent turn and step lifecycle](../../../agent-lifecycle.md) | curated | architecture.md loop lifecycle, Cordis catalog links, and session event semantics | +| [tool execution pipeline](../../../tool-execution-pipeline.md) | curated | tool pipeline semantics and the `tools/execute` waterfall | +| [ACP snapshot replay](../../../../packages/ui/acp/snapshot-replay.md) | curated | snapshot harness behavior | + +### Why generators own the docs + +Package topology stays in `gen-module-graph.ts`, and tool-package affordances stay in `gen-tool-catalog.ts`, because those generators already own the canonical facts and freshness gates. `gen-doc-graphs.ts` owns the remaining relationship pages and the index. The tradeoff is that curated diagrams are edited in TypeScript string blocks rather than directly in Markdown. That is acceptable for this first cut because the user-facing artifact is still plain Markdown/Mermaid, and a future change can split the curated pages out if authorship ergonomics matter more than regeneration. + +### Completeness guards + +The hybrid pages must fail loud when their manifests are stale: + +- The module graph reads every package's `peerDependencies` and groups each package by its `packages/<group>/<pkg>` path. +- The tool catalog boot-harvests shipped tools and renders the package/service/effect map from the same manifest that its completeness guard already checks. +- The capability seam graph imports the Cordis service collector and asserts every discovered harness `ctx.<key>` is classified in `SERVICE_ROLES`, and every classified key still exists. +- The event producer/consumer matrix labels itself hybrid because subagent lifecycle events deliberately use `ctx.events.dispatch` for per-listener containment; those dynamic edges are explicit overrides rather than invisible omissions. +- `verify-mermaid` parses every repo-authored ` ```mermaid ` fence with Mermaid's own parser, so syntax errors fail `doc-sync` locally and in CI instead of showing up as broken GitHub-rendered diagrams. + +## Alternatives considered + +Committed diagrams use Mermaid because GitHub renders it in Markdown and it adds no new docs build dependency; dense many-to-many data such as event producer/consumer relationships uses Markdown tables instead. **PlantUML, hosted diagram services, and generated SVGs** were considered and deliberately not adopted until Mermaid becomes the limiting factor. + +## Consequences + +- Maintainers get visual entry points for topology, seams, event flow, lifecycle, app composition, and snapshot behavior. +- SDK users get a path from use case to package composition instead of only bottom-up package references. +- `doc-sync` now includes `verify-doc-graphs` and `verify-mermaid`, so graph drift and Mermaid syntax errors are caught with the other doc freshness gates. +- Future fs and hooks work has a concrete place to land new complexity: fs should expand the capability docs and tool catalog, while hooks should expand the event matrix and tool execution pipeline. diff --git a/docs/rfc/implemented/process/2026-07-04-cordis-jsdoc-completeness-gate.md b/docs/rfc/implemented/process/2026-07-04-cordis-jsdoc-completeness-gate.md index c86fe5533f..9db59e1138 100644 --- a/docs/rfc/implemented/process/2026-07-04-cordis-jsdoc-completeness-gate.md +++ b/docs/rfc/implemented/process/2026-07-04-cordis-jsdoc-completeness-gate.md @@ -1,8 +1,8 @@ # RFC: JSDoc completeness gate for the cordis surface -Status: implemented (accepted 2026-07-04) +Status: implemented -## Context +## Problem The [generated cordis catalog](2026-06-20-generated-cordis-catalog.md) already walks every harness `interface Events` member and every `ctx.<key>` service class with the TypeScript compiler API, and already hard-errors on a missing `@mode` tag — a forcing function that made dispatch modes impossible to leave undocumented. Nothing equivalent guarded the rest of the JSDoc: a service method could ship with no doc at all, and no event or method documented its parameters or return value individually. A survey at adoption found 5 public service methods with no JSDoc and roughly 139 missing `@param`/`@returns` entries across 15 files — on the product API spine (`ctx.bash`, `ctx.fs`, `ctx.sessions`, …) and the cross-plugin event payload contracts, exactly the surface where "what does this argument mean" is the question a plugin author asks the IDE. @@ -20,10 +20,16 @@ The contract: - **Explicitness the walk can check**: the gate is a pure-AST pass (no type checker), so a service method must annotate its return type (an inferred return cannot be classified) and surface parameters must be simple identifiers (a binding pattern has no name for `@param` to match). - **Violations aggregate** into one error listing every offender — a remediation pass sees the whole list at once. The previously fail-fast `@mode` checks moved into the same aggregated report, with their message texts unchanged. -The tags are **enforcement-only**: `parseJsDoc` now ends description prose at the first block tag (standard JSDoc semantics, which also stops multi-line tag descriptions from leaking into the catalog as prose), so `@param`/`@returns` never change the rendered catalog. Rendering them — restructuring the services section into per-method entries — was considered and deliberately deferred: source JSDoc plus IDE hover is where method docs are consumed, and the catalog stays an index. No escape-hatch tag exists; the surface is small and curated (12 services, 57 methods, 27 events at adoption), and the point is that the check cannot be waved off. +The tags are **enforcement-only**: `parseJsDoc` now ends description prose at the first block tag (standard JSDoc semantics, which also stops multi-line tag descriptions from leaking into the catalog as prose), so `@param`/`@returns` never change the rendered catalog. Negative-path tests in `packages/core/agent/tests/gen-cordis-catalog.spec.ts` drive `collectEvents`/`collectServices` against synthetic fixtures to prove each guard fires and that the exemptions hold. The authoring rule lives in the root [AGENTS.md](../../../../AGENTS.md) conventions bullet alongside the `@mode` rule. +## Alternatives considered + +- **An ESLint rule** — cannot see the scope's machine definition (which `interface Events` members and which `ctx.<key>` classes are the cordis surface); the catalog generator computes exactly that mapping on every run, so the gate lives there. +- **Rendering the tags into the catalog** — restructuring the services section into per-method entries was considered and deliberately deferred: source JSDoc plus IDE hover is where method docs are consumed, and the catalog stays an index. +- **An escape-hatch tag** — none exists; the surface is small and curated (12 services, 57 methods, 27 events at adoption), and the point is that the check cannot be waved off. + ## Consequences - A new event or service method cannot land with an undocumented parameter or result: the generator refuses to regenerate and `verify-cordis-catalog` fails pre-push and in CI. The ~139 gaps found at adoption were filled in the same change, so the gate landed green. diff --git a/docs/rfc/implemented/process/2026-07-04-doc-tiers-and-budgets.md b/docs/rfc/implemented/process/2026-07-04-doc-tiers-and-budgets.md index c33c917112..5d886fa4bd 100644 --- a/docs/rfc/implemented/process/2026-07-04-doc-tiers-and-budgets.md +++ b/docs/rfc/implemented/process/2026-07-04-doc-tiers-and-budgets.md @@ -1,6 +1,8 @@ -# Documentation tiers, budgets, and the ceiling gate +# RFC: Documentation tiers, budgets, and the ceiling gate -## Context +Status: implemented + +## Problem The repo's standing docs accrete. Root `AGENTS.md` reached 8,130 words through 50 commits in two and a half weeks — each PR appending its own lesson, none displacing anything — until the same rule was stated two or three times inside one file (the pushed-branch rewrite ban ~600 words across two sections; the with-key e2e policy ~400 words across two), an incident already recorded in [postmortem 0001](../../../postmortem/0001-acp-default-export-drops-inject.md) was retold inline at ~750 words, and the per-package one-liner map existed in five places. [architecture.md](../../../architecture.md) grew the same way: paragraph walls re-narrating RFCs it already links, plus implementation-status annotations that were stale the week after they were written. The writing rules that forbid this (document current state, never history) predate the drift and sat in the very file violating them — prose rules alone do not hold against accretion pressure. The repo's standing answer to an invariant of this kind is a mechanical check ([quality gates](2026-06-11-quality-gates.md), [doc-sync enforcement](2026-06-11-doc-sync-enforcement.md)). @@ -28,6 +30,5 @@ The repo's standing docs accrete. Root `AGENTS.md` reached 8,130 words through 5 The first audit cycle under the standard, in rough priority order (evidence gathered in the survey that motivated this RFC): - Package README trims where generated catalogs or JSDoc are restated or history is narrated: `packages/ui/acp`, `packages/core/tools`, `packages/bash/tool-bash`, `packages/core/session`, `packages/compact/compact-basic`, `packages/session-persistence/session-persistence`. -- [The web capability seam RFC](../architecture/2026-06-24-web-capability-seam.md) converted from spec-speak to shipped reality (drop the migration plan and test enumeration, "should" → "is"). - `docs/core-data-structures/core.md`: drop the JSDoc walls from the `Agent`/`GenerateOptions` type-equiv pastes per that page's own stated rule. - [Postmortem 0001](../../../postmortem/0001-acp-default-export-drops-inject.md): merge the overlapping Executive summary and Summary sections. diff --git a/docs/rfc/implemented/process/2026-07-04-generate-rfc-index-tables.md b/docs/rfc/implemented/process/2026-07-04-generate-rfc-index-tables.md new file mode 100644 index 0000000000..d854991ad9 --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-04-generate-rfc-index-tables.md @@ -0,0 +1,32 @@ +# RFC: Generate the RFC index tables + +Status: implemented + +## Problem + +The RFC index's per-lifecycle/per-class tables list facts that are fully derivable: an RFC's path encodes lifecycle and class, its filename encodes the first-proposed date, and its H1 carries the title. A hand-maintained copy of those facts is also the repo's highest-contention docs hotspot: every proposal wave appends rows to the same few lines, so concurrent RFC branches conflict precisely there while agreeing everywhere else, and each conflict is resolved by hand-merging rows whose content the filesystem already knows. [The classification RFC](2026-06-20-rfc-classification.md) originally kept the index hand-written for curation's sake — but the curated part of the README is the prose, and the prose never conflicts; only the mechanical tables do. + +## Decision + +Keep the curated prose; generate the list. The tables live in [`docs/rfc/INDEX.md`](../../INDEX.md), a **fully generated file** — the curated prose stays in README.md, which carries no index rows at all. [`scripts/rfc-index.ts`](../../../../scripts/rfc-index.ts) is the shared source of truth — the tree walker (owning the closed lifecycle/class sets and the structure rules, including a parseable-H1 requirement) and the renderer (rows from H1 title with any `RFC: ` prefix stripped, plus the filename date, sorted by date then filename, grouped as `### {Class}` sections in canonical class order). Two thin consumers share it: + +- [`scripts/gen-rfc-index.ts`](../../../../scripts/gen-rfc-index.ts) (`pnpm run gen-rfc-index`) rewrites INDEX.md in full from the tree. +- [`scripts/verify-rfc-classification.ts`](../../../../scripts/verify-rfc-classification.ts) (a `doc-sync` member) checks structure, asserts the committed INDEX.md byte-matches a fresh render — the `gen-cordis-catalog`/`verify-cordis-catalog` pattern — and rejects an index-shaped row in the curated README. Freshness subsumes the index-completeness check: a generated-from-disk table is definitionally complete and correctly headed. + +Adding, moving, or deleting an RFC means editing only the RFC file and running the generator; the classification RFC's rejected-alternatives record carries the supersession cross-link. + +## Alternatives considered + +### Why not marker-delimited regions inside README.md? + +The first landed shape: the generator spliced the tables into README.md between `gen-rfc-index` marker comments, under each `## {Lifecycle}` heading. Superseded by the whole-file INDEX.md once the README also absorbed the in-file format contract ([the uniform-format RFC](2026-07-05-uniform-rfc-format.md)): a front-door README hosting hundreds of generated rows dwarfed its curated prose, and splice mechanics (marker pairs, heading checks, outside-region row detection) exist only to protect curated text that a dedicated generated file simply doesn't contain. + +### Why not the verifier-only model? + +It catches mistakes but still makes every proposal edit a shared hotspot in a hand-maintained table, and a failed verifier is strictly more annoying than a generator for a purely mechanical row: the author has already named and placed the file; the index copy adds no information. This is the same hand-list-versus-derivation judgment the [package-inventory proposal](../../proposed/process/2026-06-20-discover-package-inventory.md) applies to tsconfig references and knip stanzas — applied to the one list that demonstrably conflicts. + +## Consequences + +- The generated file is explicit: its banner names the generator, there is no curated region to protect inside it, and the generator refuses to run on a structurally invalid tree. +- A malformed or missing H1 is a hard error in both the generator and the gate — the H1 is now load-bearing as the index title source. +- Concurrent RFC branches resolve index conflicts by rerunning the generator, never by hand-merging rows. diff --git a/docs/rfc/implemented/process/2026-07-04-persistence-log-catalog.md b/docs/rfc/implemented/process/2026-07-04-persistence-log-catalog.md new file mode 100644 index 0000000000..fd73a2b6e7 --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-04-persistence-log-catalog.md @@ -0,0 +1,34 @@ +# RFC: Generated persistence log event catalog + +Status: implemented + +## Problem + +The session event log is the harness's on-disk contract: every `SessionEventMap` member is a record a persistence backend writes verbatim and a replay reconstructs from, and adding one that breaks the durability rules is a breaking change to the on-disk format. Yet the vocabulary had no single reference. The declarations are split across three files — the owning interface in `@deepseek-ai/dsh-session` plus declaration merges in `@deepseek-ai/dsh-compact` and `@deepseek-ai/dsh-hook-protocol` — and the doc surfaces covered it with hand-copies: a `hook/*` payload table in [session.md](../../../core-data-structures/session.md), a `compact/*` payload table in the compact README, payload bullets in the hook-protocol README, and a name-list in the session README. The name-list's merge note had already drifted (it named the compaction merge and omitted the hook merge entirely), and nothing could catch the next merge going undocumented: a hand-copy only checks the names someone already wrote down. This is the same gap the [cordis catalog](2026-06-20-generated-cordis-catalog.md) closed for bus events and the [tool catalog](2026-07-02-tool-schema-catalog.md) closed for model-facing tools — and log events are covered by neither: a `SessionEventMap` member is not a cordis `Events` declaration (it reaches listeners via the single `session/event` emit), so it has no cordis-catalog row by design. + +## Decision + +Generate `docs/persistence-catalog.md` from source, with a freshness gate, as the fourth reference surface: the *records* a persisted session log can contain, complementing the cordis catalog (wiring), core-data-structures (vocabulary), and the tool catalog (tools). + +`scripts/gen-persistence-catalog.ts` is a pure TypeScript-AST pass, like `gen-cordis-catalog.ts` — log events ARE statically knowable: every member is a string-literal-named property with a static type annotation, so the AST is the whole truth. The walk collects every `interface SessionEventMap` declaration under `packages/*/*/src` — the owning top-level interface and every `declare module '@deepseek-ai/dsh-session'` merge — so a brand-new event, core or merged, appears in the next regenerate and an un-regenerated file fails `--check` (`verify-persistence-catalog`, a `doc-sync` member, so pre-push and CI both run it). Each entry renders the member's JSDoc prose, its payload (printed through the TypeScript printer, so a newline-separated multi-line type literal still yields a valid one-line fragment), a surface badge, cross-links into core-data-structures, and the declaration's source pointer, grouped by scope. + +Specific choices: + +- **JSDoc completeness, enforced.** Every member must carry description prose — the JSDoc becomes the catalog entry, the same forcing function the cordis catalog applies to bus events. An `@mode` tag on a member is a hard error: dispatch modes belong to cordis bus events, and a log event has none — the tag would misread as "this fires on the bus with mode X". Violations aggregate into one error listing every offender. +- **The surface badge is derived, not hand-listed.** `SurfaceEventType` — the subset that produces LLM messages and may carry `surfaceOp` — is parsed from its union declaration in the owning package; a union member naming no declared event is a hard error (a stale union member would otherwise silently badge nothing). Everything else renders **log-only**. +- **A dedicated fence.** Payload blocks use a ` ```ts persistence-catalog ` info string that `doc-typecheck` recognizes and skips, excluded from the opt-out ratio — the same treatment as `ts cordis-catalog` (a bare payload fragment is not standalone-compilable). +- **Repo scope.** The catalog enumerates the packages in this repo, matching the siblings' packages-only scope; a downstream plugin can merge further event types, which are outside the catalog by construction. The walk defends its own assumptions with hard errors: the owning top-level `interface SessionEventMap` must be the single exported declaration in `@deepseek-ai/dsh-session` (an unrelated, local, or duplicate same-named interface cannot be catalogued as the on-disk vocabulary), no declaration may carry `extends` (inherited keys would join `keyof SessionEventMap` without a catalog row), every member must be a property signature with an explicit payload type (a method-form member would join `keyof` yet slip past a silent walk), and a duplicate member across declarations fails. + +This supersedes the hand-copies: the session.md `hook/*` table, the compact README's event table, the hook-protocol README's payload bullets, and the session README's name-list now link the catalog instead of restating payloads (the surrounding semantics prose stays where it was). The two stray `@mode emit` tags on the hook-protocol merge members are removed — the new gate rejects them as the category error they were. + +## Alternatives considered + +- **A boot-based generator, like the tool catalog's** — the log vocabulary is fully static, so the AST pass reads the whole truth without booting anything. +- **Keeping the hand-copies** — a hand-copy only checks the names someone already wrote down; the session README's merge note had already drifted when the catalog landed. + +## Consequences + +- The catalog cannot drift: a vocabulary change the committed file doesn't reflect fails `verify-persistence-catalog` in the pre-push hook and CI, and a new merged event with no JSDoc fails the generator outright — a plugin can no longer add an undocumented on-disk record type. +- Event prose has a single home, the JSDoc at the declaration; thin JSDoc yields a thin catalog entry, pressuring authors to document at the source. +- The `SurfaceEventType` union is now structurally load-bearing for docs: renaming an event without updating the union (or vice versa) fails the generator, not just the compiler. +- The badge derivation assumes the union stays a closed set of string literals with exactly one owner; a refactor away from that shape must update the generator in the same change. diff --git a/docs/rfc/implemented/process/2026-07-05-uniform-rfc-format.md b/docs/rfc/implemented/process/2026-07-05-uniform-rfc-format.md new file mode 100644 index 0000000000..696d46cb20 --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-05-uniform-rfc-format.md @@ -0,0 +1,28 @@ +# RFC: One gated in-file format for RFCs + +Status: implemented + +## Problem + +The tree's layout is uniform — [the classification scheme](2026-06-20-rfc-classification.md) path-encodes lifecycle and class and gates both — but the file insides never were. The corpus the format decision faced had two H1 spellings; some twenty-seven `Status:` line spellings once free-text rejection reasons are collapsed — bare enums, dated parentheticals duplicating what the filename and git already carry — plus three English files (and the zh counterpart of one of them) with no status at all; two body genres side by side (ADR-style `Context`/`Decision`/`Consequences` beside proposal-style `Problem`/`Proposal`/`Risks`), so every new RFC guessed its shape from whichever neighbor its author opened; thirty-nine files carrying a debt comment that flagged them as "legacy ADR/RFC body format" awaiting a unified template that was never actually defined; and nineteen implemented RFCs still carrying thirty occurrences of the proposal-era headings (`Acceptance criteria`, `Plan`, `Migration plan`, `Proposal`) that the [documentation standard's slop checklist](../../../AGENTS.md) outlaws for `implemented/` — outlawed, but enforced by nothing, so the `proposed/` → `implemented/` move could silently skip the rewrite [implemented/AGENTS.md](../AGENTS.md) requires. + +## Decision + +[README.md § The file format](../../README.md#the-file-format) is the in-file contract — the header block (`# RFC: <title>` plus a dateless, folder-agreeing `Status:` enum whose only content is the rejection reason), the per-lifecycle body skeleton (`Problem` opener everywhere; `Proposal`/`Acceptance criteria`/`Risks` in `proposed/`; present-tense `Decision`/`Consequences` with proposal-era headings banned in `implemented/`; frozen proposal shape in `rejected/`), a mandatory `Alternatives considered` section, and the canonical section vocabulary between which bespoke technical sections stay free-form. `pnpm run verify-rfc-format` ([scripts/verify-rfc-format.ts](../../../../scripts/verify-rfc-format.ts)) enforces every mechanical clause as part of `doc-sync`, so a lifecycle move that skips its rewrite now fails CI instead of review memory. + +The whole corpus was normalized in the same change that defined the format — the pre-release stance: no transition period, no dual-format tolerance. The one grandfather is content, not format: alternatives are recorded, never invented, so a pre-format RFC whose alternatives are not reconstructible from the record carries the exact `rfc-format: alternatives-not-recorded` comment, which the gate accepts only for files dated before this RFC. + +## Alternatives considered + +- **A full rigid template** (one fixed section sequence per lifecycle, every RFC restructured to fit) — rejected: the big design RFCs carry eight to fifteen bespoke technical sections (package topology, wire contracts, schemas) that are load-bearing content, not drift; a rigid sequence would force destructive rewrites now and template-fighting forever. +- **Header-only normalization** (H1 and Status, bodies untouched) — rejected: the debt markers flagged the *body* genre split, and leaving `Context`/`Decision` beside `Problem`/`Proposal` indefinitely resolves nothing. +- **No Status line** (the folder already is the status; the three newest pre-format RFCs (and the zh counterpart of one) omitted the line) — rejected in favor of keeping a self-describing file: the drift risk that motivated dropping it is neutralized by gating the line against the folder instead. +- **Dated status** (`Status: implemented (accepted YYYY-MM-DD)`) — rejected: the acceptance date is narrated history the writing rules keep out of docs; the filename carries first-proposed, git carries the rest, and the gate could check a date's format but never its truth. +- **A bare `# <title>` H1** — rejected: the `RFC: ` prefix is the corpus-majority form and self-describes the genre when a file is read outside its tree; the index generator strips it, so index rows are identical either way. +- **`## What we give up` as the implemented closer** (the README's own phrase for what an RFC records) — rejected: it names only costs, and an honest consequences section records what the trade-off bought as well. +- **Convention without a gate** (write the contract down, enforce by review) — rejected: the slop checklist already outlawed spec-speak in `implemented/` by convention, and nineteen files show what convention alone achieves here. +- **A standalone `FORMAT.md` contract file** — the first landed home; folded into README.md once the generated index moved out to [INDEX.md](../../INDEX.md): with the tables gone the README regained the room, and one front door carrying layout, classification, and format beats splitting the contract across two files. + +## Consequences + +Every RFC now costs slightly more structure, and the mandatory `Alternatives considered` section is deliberate friction: a decision recorded without what it beat invites the re-litigation RFCs exist to prevent. Pre-format RFCs whose alternatives were not reconstructible carry the grandfather comment permanently — an honest gap on the record rather than fabricated rationale. `doc-sync` gains one gate, and moving an RFC between lifecycle folders is now real work at move time (the body rewrite the move always owed) instead of deferred cleanup nothing tracked. The thirty-nine debt markers are gone, resolved by the template they were waiting for. diff --git a/docs/rfc/implemented/process/2026-07-06-export-surface-jsdoc-gate.md b/docs/rfc/implemented/process/2026-07-06-export-surface-jsdoc-gate.md new file mode 100644 index 0000000000..2e98808426 --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-06-export-surface-jsdoc-gate.md @@ -0,0 +1,43 @@ +# RFC: Export-surface JSDoc gate + +Status: implemented + +## Problem + +The [cordis JSDoc completeness gate](2026-07-04-cordis-jsdoc-completeness-gate.md) made undocumented parameters and results impossible on the cordis surface — `interface Events` members and `ctx.<key>` service classes — but that surface is a fraction of what a plugin author imports. The AGENTS.md rule "every export (and non-obvious method) has a JSDoc explaining semantics" stayed prose-checkable only by review everywhere else, and nothing at all asked for `@param`/`@returns` on ordinary exported functions. A survey at adoption found 203 under-documented module-level exports across 34 packages: seam-adjacent helpers (`runBash`, `readForEdit`, `htmlToMarkdown`), format codecs, whole undocumented interfaces and type aliases — exactly the names an IDE consumer hovers. + +## Decision + +A new gate, `scripts/verify-export-jsdoc.ts` (`pnpm run verify-export-jsdoc`, wired into `doc-sync` beside `verify-cordis-catalog`), walks every module-level exported name under each `packages/<group>/<pkg>/src/` tree. The parsing and check helpers moved from `gen-cordis-catalog.ts` into a shared `scripts/jsdoc.ts`, so "documented" means the same thing on both surfaces: description prose ends at the first block tag, every checkable parameter needs a non-empty `@param`, a non-void ANNOTATED return needs a non-empty `@returns`, a stale `@param` errors, and violations aggregate into one report. + +The contract by declaration kind: + +- Every exported name needs JSDoc with non-empty description prose. +- Function-like exports (function declarations; consts with function initializers or an INLINE callable annotation; non-identifier function default exports) follow the full function contract, with wrapper expressions (parentheses, `as`/`satisfies` casts, non-null assertions) peeled before classifying. A const whose declarator is annotated with a NAMED type (`export const f: Handler = …`) defers the signature contract to that type's own declaration and `@returns` stays optional; an inline `(x: T) => U` annotation or single-call-signature literal is the surface signature itself and gets the full contract, and a literal mixing call/construct signatures with anything else is refused outright (no single signature to hold the tags against — extract a named type). +- Exported classes need class-level prose; public methods (statics included — reachable on the exported name) follow the function contract; public properties and accessors need prose (a get/set pair is covered by the getter). Overload implementations are exempt — the signatures carry the docs. +- Exported interfaces, type aliases, and enums need prose on the declaration; member-level enforcement is deliberately deferred (the highest-value member surface — seam service classes — is already under the cordis gate). +- Exported namespaces recurse (inside an ambient `declare` namespace every member exports implicitly); the namespace itself needs prose only when it does not merge with a documented same-name declaration (the Config-namespace idiom documents the plugin once). +- `declare module` / `declare global` bodies and `export … from` re-export statements are skipped: an augmentation is not an export of the package, and a re-exported definition is checked where it is defined. An `export import X = N.member` alias documents ITSELF — its target may be a non-exported namespace member no walk visits — and only prose-only target kinds are gate-supported: a callable, class, or namespace target carries signature/member contracts the alias prose cannot hold, so the gate refuses it and demands the declaration be exported directly. +- Everything else fails CLOSED: `export =` is refused outright, parameters the base never names keep their `@param` duty even as binding patterns, and an exported statement kind the dispatch does not recognize is itself a violation — no export form can pass unchecked by omission. + +Three exemption families keep the gate from demanding boilerplate, in the spirit of the cordis gate's `this`/`next` exemptions (documenting an exempt name anyway is allowed; only absence goes unchecked): + +- **Heritage members.** A class member whose name exists on an `extends`/`implements` heritage type is exempt: the seam declaration is the doc's one home, and the IDE inherits it on hover — re-documenting every `LocalBashExecutor.run` invites drift. The exemption stops where the override grows surface the base never documented: a protected-only base member does not exempt a public override, parameters the base never names keep their `@param` duty (an underscore-prefixed rename of a base parameter — the deliberately-unused marker — is the same parameter), and a concrete result above a void base return keeps its `@returns` duty (an unannotated override's inferred return is classified by the checker, so a faithful void override needs no boilerplate annotation). Heritage lookups and that one return classification are the walk's only TYPE CHECKER questions (heritage types live across package boundaries, resolved through the repo `paths` map); everything else stays pure AST, and the annotated-return requirement is kept for symmetry with the cordis gate (it bound nothing at adoption — every exported function was already annotated). +- **Plugin-protocol slots.** Top-level `name` / `inject` / `reusable` / `Config` consts and the `apply` entry, plus the same slots as statics on a plugin class, are framework protocol: their shape is fixed by cordis, and the module doc comment plus the `interface Config` carry the plugin's real semantics. +- **Constructors**, mirroring the cordis gate: plugin classes are framework-constructed, and the class doc owns the story. + +`collectExportJsdocViolations()` returns the violation list (the CLI exits 1 on non-empty) so the negative-path tests in `packages/core/agent/tests/verify-export-jsdoc.spec.ts` assert on findings directly, driving fixture packages through every rejection and every exemption. + +## Alternatives considered + +- **eslint-plugin-jsdoc** (`require-jsdoc`/`require-param`/`require-returns`) — covers the mechanical core but cannot express the repo's contract: the heritage-member exemption needs cross-package type resolution, the protocol-slot and namespace-merge idioms are cordis-specific, and the completeness semantics (prose-above-tags, stale-tag errors, aggregate reporting) already have one home in `scripts/jsdoc.ts` shared with the catalog generator. Two subtly different definitions of "documented" is the failure mode this repo's one-home rule exists to prevent. +- **Extending `gen-cordis-catalog.ts`** — the catalog generator renders a curated surface and gates its freshness; a repo-wide walk has no catalog to render. Sharing the helpers while keeping the walks separate keeps each gate's scope legible. +- **Enforcing interface/type-alias member docs** — deferred: it would multiply the checked surface for members that are largely self-describing fields, while the seam classes carrying the load-bearing member contracts are already gated. Revisit if member-doc drift shows up in review. + +## Consequences + +- A new export cannot land undocumented: `verify-export-jsdoc` fails `doc-sync`, which pre-push and CI already run. The 203 gaps found at adoption were filled in the same change, so the gate landed green. +- Exported functions must annotate return types (universal at adoption, now load-bearing) and use identifier parameters where `@param` must name them. +- Seam docs are canonical: an implementation inherits its heritage docs, and behavior notes worth keeping on the implementation are additions, not requirements. +- The gate builds a `ts.Program` (~6s) — the one doc gate that pays for type resolution; acceptable inside `doc-sync`, which already compiles doc snippets. +- The protocol-slot names are reserved by convention at module top level; a non-protocol export coincidentally named `apply` or `Config` would go unchecked — accepted, documented here. diff --git a/docs/rfc/implemented/process/2026-07-06-generated-config-catalog.md b/docs/rfc/implemented/process/2026-07-06-generated-config-catalog.md new file mode 100644 index 0000000000..7693ff074c --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-06-generated-config-catalog.md @@ -0,0 +1,38 @@ +# RFC: Generated plugin config catalog + +Status: implemented + +## Problem + +The config surface — the exact set of fields a `cordis.yml` entry's `config:` block can set for each plugin, with types, defaults, and semantics — had no reference page. A deployment author assembling a config tree had to open every plugin's source (or trust its README) to learn what is settable. The per-package README `## Config` sections cover parts of it by hand, in formats that diverged package-by-package (a key/default table here, an annotated YAML snippet there) and with no gate tying them to source. Nothing enumerated which packages are loadable at all — plugin vs abstract seam vs plain library — and nothing verified that the runtime schemastery schema and the documented `Config` interface agree, so a schema-validated field could exist with no documentation anywhere. + +## Decision + +Generate the catalog from source: `scripts/gen-config-catalog.ts` emits [docs/config-catalog.md](../../../config-catalog.md), one section per configurable package containing the VERBATIM config declaration — the `export interface Config` (or equivalently named type) with its JSDoc, pasted as-is in a ` ```ts config-catalog ` fence — plus a `Requires:` line (the plugin's `inject`), a `Depends on:` line resolving every type name the paste references, and a source pointer. The paste is the plugin's full declared config type: a field the runtime schema deliberately excludes is a runtime-only seam, marked as such by its own JSDoc, not a `cordis.yml`-settable knob. Package-local referenced types are pasted transitively into the same fence; another plugin's config type links to that plugin's section; names in the cordis catalog's shared `LINK_MAP` link to core-data-structures; any other workspace type links to its source; an external type is named with its module. It mirrors the `gen-cordis-catalog` pattern exactly: `--write` regenerates, `--check` (`verify-config-catalog`, inside `doc-sync`) fails if the committed file is stale, output is deterministic, the file is a build artifact never hand-edited. + +Pure AST generation is correct here for the same reason it is for the events/services catalog and NOT for the tool catalog: a config type is a static declaration and every schemastery schema in the repo is a static `z.object`/`z.intersect` literal, so the source is the whole truth — nothing about the config surface is runtime-composed. + +Specific choices: + +- **The config type is the second-parameter type.** What the catalog documents is the declared type of `apply(ctx, config)` / the service constructor's `(ctx, config)` — the value cordis actually passes — not a `Config` export located by naming convention. This is what makes the walk total: it works for interfaces named `AcpConfig` or `BasicCompactConfig`, for types declared in a sibling file, and for plugins with no validating schema at all. +- **Classification is total.** Every `packages/<group>/<pkg>` entry resolves, mirroring the Loader's `unwrapExports` (`exports.default ?? exports`), to a configurable plugin, a config-free plugin, an abstract seam class, or a library — each rendered in its own section — and an unclassifiable entry hard-errors. A new package cannot be silently undocumented. +- **Per-field JSDoc is enforced.** Every property of a pasted declaration (nested type literals included) needs non-empty JSDoc prose, or generation fails. The paste IS the documentation, so this is the same forcing function the events catalog applies via `@mode`: thin source docs fail the gate rather than yielding a thin catalog. +- **The schema is cross-checked, one-directionally, nested keys included.** When a plugin declares a schemastery schema (`export const Config` / `static Config`), the generator walks it statically — object-literal keys and their nested object/array compositions as key paths (`agents[].id`), chained refinements, and `z.intersect` composition across workspace packages — and every schema-validated key path must be locatable on the declared config type, resolving package-local and workspace-imported types (re-export chains included), intersections, unions, utility wrappers, and indexed access. So the paste cannot hide a loader-accepted field, top-level or nested. The check is presence-only and fails loud only on a definite miss: a path crossing a type the walk cannot enumerate (an external package's type) is skipped rather than mis-reported, and dynamic-key shapes (`z.dict`) or union alternatives contribute no nested paths. The reverse direction is deliberately unchecked: a declared field may be a runtime-only seam the schema excludes (the ACP bridge's test-injected `stream`). +- **A dedicated fence.** Pasted declarations use a ` ```ts config-catalog ` info string that `doc-typecheck` skips (a lone declaration referencing imported types is not standalone-compilable), excluded from the opt-out ratio — the same treatment the `cordis-catalog` and `persistence-catalog` fences get. +- **A single file at `docs/config-catalog.md`**, not a one-file directory: the page serves one audience (the `cordis.yml` author) with one axis, unlike `cordis-catalog/`, which holds two sibling pages. + +The package README `## Config` sections stay. The overlap is accepted deliberately: the README is the curated per-package contract (config semantics in deployment context, alongside limitations and extension points), the catalog is the exhaustive generated enumeration. Because the catalog is generated, a disagreement between the two indicts the README, and the fix is a README edit — the catalog cannot drift. + +## Alternatives considered + +- **Synthesized per-field rendering** — a bullet list, table, or annotated-YAML snippet per field, assembled from parsed JSDoc plus schema metadata. Rejected for the verbatim paste: the interface with its JSDoc is already the authored contract in its authored form, and a synthesizing renderer re-formats prose it does not own, adding a rendering layer that can misrepresent it. +- **Runtime boot + schema introspection, as the tool catalog does** — rejected: nothing here is runtime-composed, and the schema alone under-documents the surface (prose-documented defaults, runtime-only fields, plugins with no schema at all). Booting would add fragility without adding truth. +- **Two-directional schema/interface equality** — rejected for the subset check: the declared type legitimately carries members the schema refuses to accept from config (runtime-only seams). +- **Retiring the README `## Config` sections in the same change** — rejected: the accepted duplication keeps the per-package contract readable in place, and a sweep would have to fold each README's extra facts into field JSDoc first — separable work the catalog does not depend on. + +## Consequences + +- The catalog cannot drift: a source change the committed file does not reflect fails `verify-config-catalog` in pre-push and CI. An undocumented config field, an unresolvable referenced type name, or a schema key missing from the config type fails the generator outright. +- Config prose now has a forcing function at the declaration: writing a new config field means writing its JSDoc, which becomes the catalog entry verbatim. +- The generator hard-errors on shapes it cannot walk statically — an aliased package-local config import, a schema built by anything other than `object`/`intersect` composition, an unlisted global type name. Introducing such a shape includes teaching the generator (or the shape stays out of the repo), which is the point: the catalog stays the whole truth. +- `gen-cordis-catalog.ts` exports its JSDoc/pointer helpers and `LINK_MAP` for reuse, so the two catalogs cross-link types identically and a link-map addition serves both. diff --git a/docs/rfc/implemented/process/2026-07-06-node-engine-floor.md b/docs/rfc/implemented/process/2026-07-06-node-engine-floor.md new file mode 100644 index 0000000000..72c9f09eda --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-06-node-engine-floor.md @@ -0,0 +1,37 @@ +# RFC: Raise the Node LTS engine floor to 22.19 + +Status: implemented + +## Problem + +The Node 22 branch of the root `engines.node` range is a contract for the installed workspace, not only for the runtime APIs the harness source calls directly. It must be no lower than package `engines.node` declarations for dependencies the workspace installs on that branch; otherwise `pnpm install --engine-strict` fails at an advertised LTS version, and non-strict installs run outside a dependency's supported runtime. + +## Decision + +Set `engines.node` to `^22.19.0 || >=24.0.0` and test the keyless CI compatibility matrix on `['22.19', 24, 26]`. The real-API e2e workflow stays on Node 24 because it exercises API integration rather than the runtime floor. + +Two Node features gate the source runtime: + +- **`node:sqlite`** — `packages/session-persistence/session-persistence-sqlite` does a top-level `import { DatabaseSync } from 'node:sqlite'`. The module dropped its `--experimental-sqlite` flag requirement at **22.13** (LTS) and **23.4** (Current); before those, importing it throws at load. +- **Native TypeScript type-stripping** — the `packages/ui/stdio-agent/tests/built-bin.e2e.ts` smoke boots the published `lib/bin.js` under plain `node` (no tsx) and loads the example's `.ts` plugins (`mock-llm.ts`, `echo-tool.ts`). Type-stripping is the default from **22.18** (LTS) and **23.6** (Current); before those it needs `--experimental-strip-types`. + +Those source features clear on the 22.x line at **22.18**, but the installed Pi adapter dependency raises the advertised LTS floor. `@deepseek-ai/dsh-llm-pi-ai` depends on `@earendil-works/pi-ai@0.79.3`, whose package declares `engines.node >=22.19.0`, so the LTS floor is **22.19**. The 24.x branch remains `>=24.0.0`. The disjoint range excludes Node 23 entirely: Node 23.0–23.5 still has at least one flagged source feature, and the 23 line is non-LTS/EOL, so advertising `>=23.6` would add a dead release line and a CI leg no deployment should use. + +`@types/node` remains pinned to the 22.x line (`^22.20.0`) to match the LTS support line: reaching for a Node 23+/24+/25+ API fails `tsc` on every machine and in the typecheck gate, rather than compiling clean and surviving to a runtime failure only a floor matrix leg could catch. The whole tree typechecks clean against the Node 22 type surface today, so the pin costs nothing. + +## Consequences + +- The advertised LTS branch no longer undercuts the Pi adapter dependency floor. +- CI proves the Node 22 LTS floor directly with Node 22.19, keeps the Node 24 branch on `node: 24`, and keeps Node 26 for the next even line. +- The built-bin smoke needs no version-conditional flag: at 22.19 type-stripping is already the default, so the test stays the plain `node lib/bin.js` path it documents. +- A future dependency or source API that raises the runtime floor must move `engines.node`, the compatibility matrix, and this RFC in the same change. + +## Alternatives considered + +- **Keep `^22.18.0 || >=24.0.0`.** Rejected: it advertises an LTS version lower than the Pi adapter dependency floor. `@earendil-works/pi-ai@0.79.3` requires `>=22.19.0`. +- **Downgrade or pin `@earendil-works/pi-ai` to preserve the 22.18 advertised range.** Rejected: the current Pi adapter dependency is part of the intended workspace, and 22.19 is still inside the Node 22 LTS line. +- **Floor `>=22.13` (the `node:sqlite` boundary) plus `--experimental-strip-types` in the built-bin smoke on 22.13–22.17.** Rejected: it adds a version-conditional test flag for one narrow range and dresses up an experimental-flag dependency as first-class support. The Pi adapter dependency already requires a higher LTS floor. +- **Open-ended `>=22.19`.** Rejected: it advertises support for Node 23.0–23.5, where `node:sqlite` (until 23.4) or type-stripping (until 23.6) is still flagged. +- **Include Node 23.6+ (`^22.19.0 || >=23.6.0`).** Rejected: 23.6+ does run both source features unflagged, but Node 23 is end-of-life; advertising a dead release line adds a range term and a CI leg for a runtime no deployment should use. +- **Matrix `[22, 24, 26]` instead of pinning `22.19`.** Rejected: floating major-version entries drift upward over time and silently stop exercising the declared LTS floor. +- **Keep `@types/node` ahead of the floor (`^25`).** Rejected: types ahead of the runtime floor let a Node 24/25-only API compile clean and fail only at runtime on 22.x. Pinning `@types/node` to the 22.x line turns that into a compile error everywhere. diff --git a/docs/rfc/implemented/process/2026-07-06-parallel-github-ci-gates.md b/docs/rfc/implemented/process/2026-07-06-parallel-github-ci-gates.md new file mode 100644 index 0000000000..d63a8ad713 --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-06-parallel-github-ci-gates.md @@ -0,0 +1,39 @@ +# RFC: Parallel GitHub CI gates + +Status: implemented + +## Problem + +The keyless GitHub CI gates are mostly orthogonal: typecheck, lint, documentation freshness, coverage, snapshot replay, build, package-publication hygiene, demo smoke, and built-bin smoke fail for different reasons and do not need each other's runtime state. Running them as one ordered command chain makes the workflow wall clock equal the sum of those gates, while splitting every leaf gate into its own GitHub job repeats checkout, Node setup, pnpm restore, and install work until orchestration overhead becomes the bottleneck. + +The hard part is the artifact boundary. `publint`, `verify-node-next-types`, and built-bin smoke tests need the built `lib/` outputs, while most gates only need source and dependencies. A blind fan-out either races those artifact consumers before `pnpm run build` has emitted declarations and bundles, or repeats the build in every artifact-dependent job. + +## Decision + +[CI](../../../../.github/workflows/ci.yml) keeps the keyless workflow to a few broad jobs instead of one job per gate. The Node 24 matrix has five lanes: static gates (`pnpm run check:ci:static`), lint (`pnpm run check:ci:lint`), coverage (`pnpm run check:ci:coverage`), snapshot replay (`pnpm run check:ci:snapshot`), and artifact gates (`pnpm run check:ci:artifacts`). The Node 26 compatibility job installs once and runs `pnpm run check:node-compat`. + +Each lane delegates to [scripts/run-gates.ts](../../../../scripts/run-gates.ts), an in-process scheduler with bounded concurrency (`DSH_GATE_CONCURRENCY`). The static lane fans out constraints, the echo-agent demo smoke, `doc-sync` leaf gates, module-graph freshness, and `knip`; the lint lane runs ESLint with its own Node heap cap and a content-strategy ESLint cache; the coverage lane runs Vitest coverage with bounded file workers (`DSH_COVERAGE_MAX_WORKERS`); the snapshot lane isolates replay; the artifact lane builds once and then fans out the artifact consumers; the Node 26 compatibility job owns the TypeScript typecheck. The scheduler buffers each gate's output and prints a named result block with duration, so independent failures stay attributable inside each broad job log. + +Generated `.sessions/` logs and `.doc-typecheck-*` temp directories are ignored by lint. The aggregate local CI mode still runs demo smoke after lint, while the split GitHub static lane can run demo smoke directly because lint is isolated in its own lane. + +Build output is produced once inside the Node 24 artifact lane. The artifact consumers (`publint`, `verify-node-next-types`, and built-bin smoke) declare a dependency on `build`, so there is no upload/download handoff and no consumer can race ahead of declarations or bundles. The CI coverage reporter is text-only while local coverage keeps the HTML report. + +Both CI workflows cache the pnpm store after enabling Corepack. The real-API e2e workflow also uses the shared `vitest.e2e.config.ts` bounded file pool (`DSH_E2E_MAX_WORKERS=14` in CI), so its speedup comes from dependency-cache reuse plus lower-level test-file fan-out instead of a separate GitHub job split. + +## Alternatives considered + +- **Keep the full serial chain in a Node matrix** - simplest to reason about, but it duplicates repo-wide gates that do not produce Node-version-specific signal and leaves every PR waiting for the sum of all gates. +- **Run every gate as a separate GitHub job** - maximizes GitHub-visible fan-out, but it creates too many checks and pays repeated setup/install overhead for gates whose runtime is shorter than the runner preparation. +- **Upload build artifacts to artifact-dependent jobs** - preserves correctness across many jobs, but it adds artifact upload/download time and keeps the workflow wide when the artifact consumers can run behind a local dependency in the primary job. +- **Run `typecheck` and `build` concurrently** - exposes more work to the scheduler, but both commands invoke `tsc -b`; sharing incremental build state between them is a needless race for a small wall-clock gain. +- **Use unbounded real-API e2e parallelism** - rejected because the suite includes many live model/tool scenarios; the worker pool needs an explicit `DSH_E2E_MAX_WORKERS` cap so CI and local runs can fan out without hiding quota or resource problems behind flaky rate-limit failures. + +## Consequences + +PR feedback arrives as a few GitHub checks with structured per-gate log blocks inside each broad job. That keeps runner setup overhead bounded and the Actions UI compact, at the cost of losing one status check per leaf gate. + +The broad-lane split repeats checkout, setup, and install more often than a single primary job. That setup cost is intentional: on GitHub's hosted runner, running lint, coverage, and snapshot replay in one process pool oversubscribes CPU badly enough that the single-job critical path is longer than the repeated setup. + +The split introduces a maintenance obligation: when `package.json` adds or removes a gate that belongs in CI, [scripts/run-gates.ts](../../../../scripts/run-gates.ts) needs the matching leaf. That obligation is intentional because the runner is the parallel execution plan for the same gate vocabulary, not a separate quality policy. + +The Node 26 signal is narrower than the primary Node 24 signal. It proves the source graph on the newer runtime without doubling documentation, coverage, publication, snapshot, and smoke checks whose failures are not expected to vary by Node minor version. diff --git a/docs/rfc/implemented/process/2026-07-06-parallel-pre-push-gates.md b/docs/rfc/implemented/process/2026-07-06-parallel-pre-push-gates.md new file mode 100644 index 0000000000..f3a7b1e83c --- /dev/null +++ b/docs/rfc/implemented/process/2026-07-06-parallel-pre-push-gates.md @@ -0,0 +1,40 @@ +# RFC: Parallel pre-push gates + +Status: implemented + +## Problem + +The pre-push hook is the last local checkpoint before a branch leaves the machine, so its wall clock directly shapes whether contributors keep it enabled and trust its signal. Lefthook already runs top-level jobs in parallel, but aggregate jobs such as `pnpm run hygiene` and `pnpm run doc-sync` hide long sequential chains inside one job. The hook can therefore be configured as parallel while still waiting on serial subcommands whose members are independent. + +Flattening those members directly into `lefthook.yml` solves the local hook only. CI has the same scheduling problem, and duplicating a long leaf list in YAML gives future script changes two places to drift. + +`publint` has the same shape one level lower. Each package is linted independently against its own manifest and built output, but the runner loops through every package in order. On this repo that makes one package-publication gate consume time proportional to the number of packages even though the checks do not share mutable state. + +## Decision + +[lefthook.yml](../../../../lefthook.yml) keeps one pre-push job named `full check` and runs `pnpm run check:pre-push`. That package script delegates to [scripts/run-gates.ts](../../../../scripts/run-gates.ts), the same bounded scheduler CI uses. + +The `pre-push` mode expands into leaf gates for the unit suite, snapshot suite, build, `hygiene` members, `doc-sync` members, and module-graph freshness. The leaf list keeps the same gate vocabulary as the package scripts, including RFC classification and RFC format, while the runner schedules independent checks concurrently and prints one timing/output block per gate. + +The build gate makes the hook self-contained from a clean worktree. `publint` and `verify-node-next-types` wait for that build output, while source-only gates continue in parallel. + +[scripts/publint-all.ts](../../../../scripts/publint-all.ts) discovers the package list from `packages/<group>/<pkg>` and runs `publint` with a worker pool sized from `availableParallelism()`. `DSH_PUBLINT_CONCURRENCY` can cap or raise the worker count for local machines and CI runners with different resource profiles. Results are buffered per package and printed in deterministic package order, so parallel execution does not scramble each package's log block. + +The aggregate package scripts remain the source of truth for ad hoc local runs. The scheduler is a parallel execution plan over their member gates, not a replacement vocabulary. + +## Alternatives considered + +- **Keep aggregate `hygiene` and `doc-sync` jobs in the hook** - simpler config, but it leaves most of the pre-push wall clock inside serial command chains that lefthook cannot see or schedule. +- **Declare one lefthook job per leaf gate** - exposes parallelism through lefthook's native job model, but it makes the hook file carry a long member list that CI cannot reuse. +- **Require developers to build before pushing** - avoids one hook gate, but it makes `publint` fail in a clean worktree and turns the final local checkpoint into a convention instead of a runnable check. +- **Background subcommands inside shell scripts** - can parallelize work, but it loses lefthook's job names, per-job timing, and failure grouping, and makes signal handling harder to reason about. +- **Declare one publint lefthook job per package** - exposes maximum parallelism, but it turns the hook into a hand-maintained package inventory that drifts exactly when new packages are added. +- **Run publint with unbounded concurrency** - minimizes elapsed time on small machines only by gambling with process count, memory pressure, package tarball creation, and readable logs. + +## Consequences + +The hook's critical path becomes the slowest real gate instead of the sum of hidden gate chains. Lefthook reports one `full check` job, and the runner reports per-gate timing inside that job, so a slow local checkpoint still points at the gate that dominates the run. + +The hook file stays short, and the duplicated member list lives in [scripts/run-gates.ts](../../../../scripts/run-gates.ts), where CI and pre-push can share it. The cost is a custom scheduler script instead of pure lefthook configuration, plus a build in the local pre-push path. + +`publint-all.ts` becomes asynchronous code and buffers command output instead of inheriting stdio live. The payoff is package-level parallelism with stable output order and one environment variable for resource tuning. diff --git a/docs/rfc/implemented/simplification/2026-06-19-drop-mutable-session-summary.md b/docs/rfc/implemented/simplification/2026-06-19-drop-mutable-session-summary.md index 24f693e6b6..54f8397fc9 100644 --- a/docs/rfc/implemented/simplification/2026-06-19-drop-mutable-session-summary.md +++ b/docs/rfc/implemented/simplification/2026-06-19-drop-mutable-session-summary.md @@ -1,8 +1,8 @@ # RFC: Drop the mutable session summary -Status: implemented (proposed and accepted 2026-06-19) +Status: implemented -## Context +## Problem The [session-persistence seam](../architecture/2026-06-14-session-persistence.md) split a session's out-of-log metadata into two types owned by `dsh-session`: an immutable `SessionHeader` (`version`, `id`, `createdAt`, `cwd?`, `parentSession?`) written once at creation, and a mutable `SessionSummary` (`updatedAt`, `title?`, `firstPrompt?`) "updateable without touching the append-only log". Their union was `SessionMeta = SessionHeader & SessionSummary`, and the abstract `SessionPersistence` service carried a seventh method — `update(id, summary)` — for rewriting the summary. Each backend implemented the mutable store its own way: JSONL wrote a separate atomic `.summary.json` **sidecar** beside the log (temp-write + rename, best-effort), SQLite kept `updated_at`/`title`/`first_prompt` **columns** bumped inside the append transaction. @@ -26,6 +26,8 @@ This is recorded as a decision because it is **durable** (it narrows a public se This is unreleased software (see [root AGENTS.md](../../../../AGENTS.md) § "Pre-release stance: foundation over blast radius"), so there are no on-disk databases or logs to preserve. SQLite does not migrate a v1 database: the `openDatabase` guard now rejects any non-current on-disk `user_version` (`onDisk !== 0 && onDisk !== SCHEMA_VERSION`) — older *or* newer — so a stale v1 DB is cleanly rejected rather than half-read against the new column set. A fresh database stamps the current version; that is the only path that needs to work. -## What we gave up +## Consequences A future session picker now has to derive its preview/ordering from the log (or reintroduce a typed field) rather than reading a ready-made summary row. That is the correct cost: a cache for a feature that does not exist is dead weight that every backend pays to maintain and every contract test pays to assert. The principle — **a passing test pins current behavior, not necessarily correct behavior; behavior can be an artifact of a past compromise** — is now recorded as a standalone convention in [root AGENTS.md](../../../../AGENTS.md), with this change as its worked example. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/implemented/simplification/2026-06-20-collapse-trace-only-session-events.md b/docs/rfc/implemented/simplification/2026-06-20-collapse-trace-only-session-events.md index 4ec39bcce4..0a80ec5a41 100644 --- a/docs/rfc/implemented/simplification/2026-06-20-collapse-trace-only-session-events.md +++ b/docs/rfc/implemented/simplification/2026-06-20-collapse-trace-only-session-events.md @@ -1,6 +1,6 @@ # RFC: Fold trace-only session facts into load-bearing events -Status: implemented (proposed and accepted 2026-06-20) +Status: implemented ## Problem @@ -8,27 +8,26 @@ The session event vocabulary includes first-class events that are not part of re These events make the canonical transcript look more useful as telemetry than it currently is. They add event variants, invariants, tests, snapshots, and persistence cases, but they are not load-bearing as separate records. The facts they carry can still be useful: token usage should remain available for accounting, and an error's step number should not silently disappear. The simplification is to fold those facts into nearby events consumers already must understand, not to record less information. -## Proposal +## Decision -Remove standalone trace-only events only where their information can be preserved without a parallel record: +Standalone trace-only events are removed exactly where their information is preserved without a parallel record: -- Fold successful-step usage into the matching `assistant/message`, e.g. `assistant/message { turn, step, content, usage? }`, so the assembled model output and its accounting travel together. -- For a failed or aborted step that has usage but no `assistant/message`, carry the usage on the terminal turn reason or another load-bearing failure record in the same turn. The implementing design must prove no usage chunk that is currently persisted becomes unrepresented. -- Fold the step number from the standalone `error` event into `turn/end.reason` for `kind: 'error'`, e.g. `{ kind: 'error', step, message, code? }`. `turn/end` is the durable turn outcome ACP and resume already consume. -- Keep `agent/error` and logging for live diagnostics; do not add a second session-log error record after `turn/end`. +- Successful-step usage folds into the matching `assistant/message` (`assistant/message { turn, step, content, usage? }`), so the assembled model output and its accounting travel together. +- A failed or aborted step that has usage but no assistant content carries the usage on an empty-content `assistant/message` (the implementation note below carries the no-information-loss proof) — no persisted usage chunk goes unrepresented. +- The step number from the standalone `error` event folds into `turn/end.reason` for `kind: 'error'` (`{ kind: 'error', step, message, code? }`) — `turn/end` is the durable turn outcome ACP and resume already consume. +- `agent/error` and logging stay for live diagnostics; there is no second session-log error record after `turn/end`. -If analytics become real, add a projection helper or a dedicated telemetry store with its own retention policy. The user conversation log should contain what is needed to render, resume, audit, and account for the interaction without requiring consumers to reconcile duplicate trace rows. +The user conversation log contains what is needed to render, resume, audit, and account for the interaction without consumers reconciling duplicate trace rows. -## Acceptance criteria +## Alternatives considered -- `SessionEventMap` drops standalone `usage` and `error` only after their fields are represented on load-bearing session events. -- The loop no longer appends a separate `usage` event for a usage chunk. -- The loop records durable failures through `turn/end { kind: 'error', step, message, code? }` or an equivalent no-information-loss shape and reports live diagnostics through `agent/error`. -- ACP snapshots and persistence tests stop asserting trace-only lines. -- Documentation explains exactly where token usage and operational errors are observed. -- Recorded fixtures are refreshed for the new event shape; the session format version stays pinned at `0` (unstable/pre-release) and backends reject any non-`0` stored log per the pre-release format policy. +**Keep the standalone rows as telemetry** — the events made the canonical transcript look more useful as telemetry than it was, at the cost of event variants, invariants, tests, snapshots, and persistence cases nothing consumed. If analytics become real, the shape is a projection helper or a dedicated telemetry store with its own retention policy — not duplicate trace rows in the conversation log. -## What we give up +## Verification + +`SessionEventMap` carries no standalone `usage` or `error`; the loop appends no separate usage event and records durable failures through `turn/end { kind: 'error', step, message, code? }`; ACP snapshots and persistence tests assert no trace-only lines; recorded fixtures are on the new event shape with the session format version pinned at `0` (backends reject any non-`0` stored log per the pre-release format policy); and the docs state where token usage and operational errors are observed. + +## Consequences A consumer can no longer filter the canonical log for standalone `usage` or step-level `error` rows. It must read those facts from the assistant/failure events that carry them. That is a reasonable simplification only if the implementing PR proves the same facts remain present; otherwise the standalone events should stay. diff --git a/docs/rfc/implemented/simplification/2026-06-20-drop-unconsumed-llm-adapter-change-event.md b/docs/rfc/implemented/simplification/2026-06-20-drop-unconsumed-llm-adapter-change-event.md index e35e090dbf..ab921dd62c 100644 --- a/docs/rfc/implemented/simplification/2026-06-20-drop-unconsumed-llm-adapter-change-event.md +++ b/docs/rfc/implemented/simplification/2026-06-20-drop-unconsumed-llm-adapter-change-event.md @@ -1,6 +1,6 @@ # RFC: Drop the unconsumed `llm/adapter-change` event -Status: implemented (proposed and accepted 2026-06-20) +Status: implemented ## Problem @@ -10,32 +10,23 @@ This differs from `tools/change` and `system-prompt/change`. Those two events ar The event is not free. `registerAdapter()` yields its rollback disposer before emitting `llm/adapter-change` so a throwing listener unwinds the mutation instead of leaking an adapter entry, and the package carries tests for that listener-throw path. That defensive ordering protects a failure mode only tests can trigger. -## Proposal +## Decision -Remove only `llm/adapter-change`: +Only `llm/adapter-change` is removed: the declaration in `dsh-llm`'s `interface Events`, the `ctx.emit('llm/adapter-change')` calls, and the "Emits `llm/adapter-change` on registration and disposal" sentence in `LlmService.registerAdapter`'s JSDoc. `registerAdapter()`'s effect generator keeps the mutation and rollback disposer for HMR/disposal but sheds the listener-throw rollback ordering that existed only for the removed event. The adapter-disposer test asserts the returned disposer removes the adapter without subscribing to the event; the listener-throw rollback test is gone with its subject. The event taxonomy in [docs/architecture.md](../../../architecture.md) and [packages/llm/llm/README.md](../../../../packages/llm/llm/README.md) is updated in the same change. -- Delete the `llm/adapter-change` declaration from `dsh-llm`'s `interface Events`. -- Delete the `ctx.emit('llm/adapter-change')` calls. -- Simplify `registerAdapter()`'s effect generator: keep the mutation and rollback disposer for HMR/disposal, but drop the listener-throw rollback ordering that exists only for the removed event. -- Remove the "Emits `llm/adapter-change` on registration and disposal" sentence from `LlmService.registerAdapter`'s JSDoc. -- Rewrite the adapter-disposer test to assert the returned disposer removes the adapter without subscribing to `llm/adapter-change`; delete the listener-throw rollback test that exists solely for the removed event. -- Update the event taxonomy table in [docs/architecture.md](../../../architecture.md) and [packages/llm/llm/README.md](../../../../packages/llm/llm/README.md). The [doc-sync-enforcement RFC](../../implemented/process/2026-06-11-doc-sync-enforcement.md) should avoid using `llm/adapter-change` as an example once the event is gone. +## Alternatives considered -## Why not remove every registry change event? +### Why not remove every registry change event? A microkernel where registries announce mutations is a coherent convention. `tools/change` and `system-prompt/change` may become useful when a UI can live-refresh available tools or prompt sections. This RFC leaves that convention intact where it has a plausible user-facing consumer and cuts only the adapter-change event whose current and likely future consumer is unclear. If an LLM adapter browser or dynamic model-picker needs this signal later, reintroduce it with that consumer and a clearer payload than "something changed." -## Acceptance criteria +## Verification -- `llm/adapter-change` and its emits are gone; `pnpm run verify-cordis-catalog` passes against the regenerated catalog. -- HMR-safety tests still pass: disposing a contributing fiber still removes the adapter. -- `tools/change` and `system-prompt/change` remain documented and tested. -- `pnpm run test:coverage` stays 100% per-file. -- No production code path changes observable behavior (verified by unchanged ACP snapshot goldens and the echo-agent smoke test). +`llm/adapter-change` and its emits are gone and the regenerated cordis catalog is fresh; HMR-safety holds (disposing a contributing fiber removes the adapter); `tools/change` and `system-prompt/change` remain documented and tested; and no production path changed observable behavior — the ACP snapshot goldens and the echo-agent smoke are byte-unchanged. -## Risks +## Consequences - **Removing a documented emit event is a public-surface change.** It is in the taxonomy table, so it reads as deliberate API. But "declared and emitted" is not "consumed" — the same distinction that justified dropping the mutable summary. The taxonomy table is updated in the same change, so the docs do not drift. - **The registry-change convention becomes uneven.** That is acceptable because LLM adapter registration is not the same user-facing concept as tools or prompt sections. Uneven but honest beats uniform but dead. diff --git a/docs/rfc/implemented/simplification/2026-06-20-drop-unconsumed-llm-assembled-surfaces.md b/docs/rfc/implemented/simplification/2026-06-20-drop-unconsumed-llm-assembled-surfaces.md index 74d37bf75a..585c611262 100644 --- a/docs/rfc/implemented/simplification/2026-06-20-drop-unconsumed-llm-assembled-surfaces.md +++ b/docs/rfc/implemented/simplification/2026-06-20-drop-unconsumed-llm-assembled-surfaces.md @@ -1,6 +1,6 @@ # RFC: Drop unconsumed assembled LLM convenience surfaces -Status: implemented (proposed and accepted 2026-06-20) +Status: implemented ## Problem @@ -16,27 +16,19 @@ This is the [drop-mutable-session-summary](../../implemented/simplification/2026 `streamBlocks()` drags a dedicated slice of `BlockAssembler` behind it: `flushReady()` and `flushRemaining()` ([packages/llm/llm/src/assembler.ts:138-168](../../../../packages/llm/llm/src/assembler.ts)) plus the `flushed` cursor field exist only to support incremental in-order yield. `generate()` drags `GenerateResult`, `BlockAssembler.result()`, and the `llm/generate` waterfall as a second interception surface over the same underlying stream. The loop's assembler usage is `push()` / `message()` / `usage` / `finish` — not streaming flush or one-shot service assembly. -## Proposal +## Decision -Make `stream()` the only public LLM call surface: +`stream()` is the only public LLM call surface. Removed with their JSDoc and doc references: `LlmService.streamBlocks()`; `LlmService.generate()`, the `llm/generate` waterfall event, and `GenerateResult`; `BlockAssembler.flushReady()`/`flushRemaining()` and the `flushed` cursor field; and `BlockAssembler.result()`, which only served the deleted `generate()` path. Adapter tests drive `ctx.llm.stream()` through a small helper that pushes chunks into `BlockAssembler` and returns the assembled message, usage, and finish reason — keeping the [twin-adapter design](../../implemented/architecture/2026-06-13-twin-llm-adapters.md) intact without a public method whose only callers are tests. The assembler invariants that apply to `push()` / `blocks()` / `message()` keep their tests; the flush-API pins went with the API. The `ctx.llm` service-map row in [docs/architecture.md](../../../architecture.md) is `stream()` only, the event taxonomy carries no `llm/generate`, and the [property-based-testing RFC](../../implemented/testing/2026-06-11-property-based-testing.md) names block-assembly invariants without the removed convenience methods. -- Remove `LlmService.streamBlocks()` and its JSDoc. -- Remove `LlmService.generate()`, the `llm/generate` waterfall event, and `GenerateResult` if no surviving API needs that named result shape. -- Remove `BlockAssembler.flushReady()`, `BlockAssembler.flushRemaining()`, and the `flushed` cursor field. -- Remove `BlockAssembler.result()` if it is only a helper for the deleted `generate()` service path and tests. -- Replace adapter-test use of `ctx.llm.generate()` with a small test helper that calls `ctx.llm.stream()`, pushes chunks into `BlockAssembler`, and returns the assembled message, usage, and finish reason needed by that test. That keeps the [twin-adapter design](../../implemented/architecture/2026-06-13-twin-llm-adapters.md) intact while avoiding a public method whose only callers are tests. -- Remove or rework the `flushReady`/`flushRemaining`-dependent tests. Keep assembler invariants that still apply to `push()` / `blocks()` / `message()`; delete behavior that only pins the removed flush API. -- Update every doc/comment reference to `streamBlocks`, `generate`, `GenerateResult`, and `llm/generate` across `docs/`, package READMEs, and source comments. The `ctx.llm` service-map row in [docs/architecture.md](../../../architecture.md) becomes `stream()` only, the event taxonomy drops `llm/generate`, and the [property-based-testing RFC](../../implemented/testing/2026-06-11-property-based-testing.md) names block-assembly invariants without referring to removed convenience methods. +## Alternatives considered -## Acceptance criteria +**Keep `generate()` as a test-only convenience** — rejected: adapter tests hand-draining `stream()` through the shared assembler exercise the same streaming path production uses, and a public method whose only callers are tests is exactly the dead-surface shape [the drop-mutable-summary precedent](2026-06-19-drop-mutable-session-summary.md) retired. A future consumer that wants assembled blocks without deltas reintroduces a focused helper with that consumer. -- `streamBlocks`, `generate`, `llm/generate`, and the assembler helpers they alone require are gone; `pnpm run knip` reports no new dead exports. -- `pnpm run test:coverage` stays at 100% per-file (the deleted methods take their dedicated tests with them; no remaining line goes uncovered). -- Adapter tests still exercise both real adapters through `stream()` and the shared assembler, not through a test-only public shortcut. -- The loop behaves identically — verified by unchanged ACP snapshot goldens. -- `packages/llm/llm/README.md`, [docs/architecture.md](../../../architecture.md), and module docs no longer mention the removed convenience surfaces. +## Verification -## Risks +`streamBlocks`, `generate`, `llm/generate`, and the assembler helpers they alone required are gone with no new dead exports; both real adapters are exercised through `stream()` and the shared assembler; the loop behaves identically (ACP snapshot goldens unchanged); and the README, architecture doc, and module docs carry no mention of the removed surfaces. + +## Consequences - **It removes public methods from a core vocabulary package.** A future plugin that wants assembled blocks without deltas would need to call `stream()` and use `BlockAssembler` directly or reintroduce a focused helper with a real consumer. Given the pre-release "foundation over speculative future" stance ([AGENTS.md](../../../../AGENTS.md)), this is the right time to cut test-only public shape. - **Adapter tests get a little more explicit.** They lose the ergonomic `generate()` wrapper, but that is useful pressure: tests exercise the same streaming path production uses. diff --git a/docs/rfc/implemented/simplification/2026-06-20-prune-dead-seam-methods.md b/docs/rfc/implemented/simplification/2026-06-20-prune-dead-seam-methods.md index 9a385a01a9..765cadd573 100644 --- a/docs/rfc/implemented/simplification/2026-06-20-prune-dead-seam-methods.md +++ b/docs/rfc/implemented/simplification/2026-06-20-prune-dead-seam-methods.md @@ -1,6 +1,6 @@ # RFC: Prune dead methods from the persistence seam -Status: implemented (proposed and accepted 2026-06-20) +Status: implemented > **Implementation note (scope narrowed from the original proposal).** This RFC proposed pruning dead methods from BOTH the persistence seam (`SessionPersistence.has()`/`.delete()`) and the bash seam (`BashExecutor.get()`/`.list()`). Only the **persistence** removal shipped. The bash `get()`/`.list()` removal was reverted before merge: each is a one-line accessor over the executor's already-tracked `tasks` map, and removing them forced `dsh-tool-bash`'s tests onto a ~35-line `onTaskDone`-based completion-tracking harness to replace the one-line `ctx.bash.get(id)` lookup — the migration cost dwarfed the surface removed. Per the [AGENTS.md "RFCs are proposals, not golden truth"](../../../../AGENTS.md) principle, that friction is evidence the method earns its keep (a test harness IS a consumer that programs against the seam), so `get()`/`list()` stay. The bash-seam analysis below is retained for the record but was NOT acted on; `BashTaskId`-branding those methods lands in the [branded-ids RFC](../architecture/2026-06-20-branded-ids.md) instead. The persistence removal stands: `has()`/`delete()` had only contract-test callers and no test-ergonomics cost to remove. @@ -14,27 +14,26 @@ The abstract service declared its operations beyond create/append: `load`, `list `has()` was not just unused — it was the most intricate branch in the shared coordinator: a tracked-vs-untracked dual-probe (`loadLive(id, cwd)` for a live-tracked session vs `loadStored(id)` for an untracked one) with a multi-line rationale. `delete()` dragged the `deleteStored` backend hook that every backend had to implement. This is the [drop-mutable-session-summary](../../implemented/simplification/2026-06-19-drop-mutable-session-summary.md) pattern: a contract test exercised both, but no shipping code asks "is this session persisted?" or removes one. -## Proposal +## Decision -Remove the methods nothing consumes, from the abstract seam, the implementation, and the contract/spec suites that exist only to exercise them: +The methods nothing consumes are removed — from the abstract seam, the implementation, and the contract/spec suites that existed only to exercise them: -- `SessionPersistence.has()` / `.delete()`: delete the abstract declarations, the coordinator's `has`/`delete`/`deleteCore`, and the `PersistenceBackend.deleteStored` hook. Remove the `has`/`delete` rows from the contract suite and the per-backend specs (jsonl + sqlite each implemented `deleteStored` only to satisfy the hook — that implementation goes too). The backends are the [dual-backend](../../implemented/architecture/2026-06-14-session-persistence.md) design and otherwise out of scope, but removing a hook they implement for no consumer is part of removing the hook, not a backend redesign. -- Update every doc and source-comment reference to the removed methods — not only literal `has(`/`delete(`/`deleteStored` call spellings, but also `{@link has}`/`{@link delete}` JSDoc links and prose that counts the methods (removing 2 of the persistence service's 6 public methods makes any "six public methods" phrasing wrong). The implementing PR greps `has`/`delete`/`deleteStored`/`{@link `/`six ` across `docs/`, `packages/*/README.md`, and source comments, and fixes each. The known doc sites: the seam README ([packages/session-persistence/session-persistence/README.md](../../../../packages/session-persistence/session-persistence/README.md)'s `has(id)`/`delete(id)` API row and its "delegates its six public service methods" prose → four), the backend READMEs that describe `has`/`list` semantics ([packages/session-persistence/session-persistence-sqlite/README.md](../../../../packages/session-persistence/session-persistence-sqlite/README.md), [packages/session-persistence/session-persistence-jsonl/README.md](../../../../packages/session-persistence/session-persistence-jsonl/README.md) — reword "absent from `has()`/`list()`" to just `list()`), the service-map / seam docs in [docs/architecture.md](../../../architecture.md), and the persistence prose in the [session-persistence RFC](../../implemented/architecture/2026-06-14-session-persistence.md) and [shared write-coordinator RFC](../../implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md). The known source-comment sites: the abstract `create()` JSDoc's `{@link has}/{@link list}` link ([packages/session-persistence/session-persistence/src/index.ts](../../../../packages/session-persistence/session-persistence/src/index.ts) — drop the `has` link), the coordinator's "six public methods"/"six public service methods" module + class JSDoc and its lazy-materialization JSDoc justifying the `materialized` flag by "the signal `has`/`list` rely on" ([packages/session-persistence/session-persistence/src/coordinator.ts](../../../../packages/session-persistence/session-persistence/src/coordinator.ts)), the JSONL backend's `loadStored`/`deleteStored` comment, and the SQLite backend's `schema.ts` and `index.ts` comments that mention "absent from `has`/`list`" — all reworded to the surviving four-method, `list()`-only contract. +- `SessionPersistence.has()` / `.delete()` are gone: the abstract declarations, the coordinator's `has`/`delete`/`deleteCore`, and the `PersistenceBackend.deleteStored` hook (jsonl + sqlite each implemented `deleteStored` only to satisfy the hook — those implementations went too). The backends are the [dual-backend](../../implemented/architecture/2026-06-14-session-persistence.md) design and otherwise out of scope; removing a hook they implemented for no consumer is part of removing the hook, not a backend redesign. +- Every doc and source-comment reference is updated to the surviving four-method, `list()`-only contract — not only literal `has(`/`delete(`/`deleteStored` spellings but `{@link has}`/`{@link delete}` JSDoc links and "six public methods" counts — across the seam and backend READMEs, [docs/architecture.md](../../../architecture.md), the [session-persistence](../../implemented/architecture/2026-06-14-session-persistence.md) and [write-coordinator](../../implemented/architecture/2026-06-18-shared-persistence-write-coordinator.md) RFCs, and the coordinator/backends JSDoc. -## Why not keep them as "the seam should be complete"? +## Alternatives considered + +### Why not keep them as "the seam should be complete"? The instinct that a persistence seam "should" offer delete is real — and it is exactly the speculative-completeness the pre-release stance warns against ([AGENTS.md](../../../../AGENTS.md): optimize for the correct foundation, not for hypothetical callers you do not have). `delete()` is one method to re-add the day a consumer needs it: a session-management UI that deletes old sessions will want it — add it then, designed against that UI's real needs (soft-delete? cascade? confirmation?), not guessed now. Re-adding a seam method with a live consumer is cheap and better-designed than the speculative version, because the consumer pins the contract. Carrying it unused means every implementation (and every future backend) must implement and test a method that does nothing. -## Acceptance criteria +## Verification -- `has`/`delete`/`deleteStored` are gone from the persistence seam, impl, and contract suites; `pnpm run knip` reports no new dead exports. -- The remaining persistence operations (`create`/`append`/`load`/`list`) are untouched; ACP `session/list` and crash-recovery behave identically. -- `pnpm run test:coverage` stays 100% per-file (the contract/spec rows for the removed persistence methods are deleted with them). -- The persistence seam README and `docs/architecture.md` no longer list the removed `has`/`delete` methods. +`has`/`delete`/`deleteStored` are gone from the persistence seam, impl, and contract suites with no new dead exports; the remaining operations (`create`/`append`/`load`/`list`) are untouched, with ACP `session/list` and crash-recovery behaving identically; and the seam README and `docs/architecture.md` list only the surviving methods. -## Risks +## Consequences - **`delete()` is the kind of operation a product eventually wants.** True — but "eventually" is the point. Deleting it now and re-adding it against a real consumer is strictly better than shipping a guessed contract. The dual backends each shed a `deleteStored` impl, which is a bounded edit in otherwise-out-of-scope packages. - **Low coupling.** The removal is confined to the persistence seam + impl + tests; no cross-package consumer references the removed methods, so there is no ripple beyond the docs. diff --git a/docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md b/docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md index 60ad056f18..b97d0abcee 100644 --- a/docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md +++ b/docs/rfc/implemented/simplification/2026-06-20-public-agent-stop-surface.md @@ -1,6 +1,6 @@ # RFC: Keep one public stop primitive -Status: implemented (proposed 2026-06-20; accepted in amended form — `whenIdle()` retained) +Status: implemented > **Implementation note (scope narrowed from the original proposal).** This RFC proposed removing BOTH `abort()` and `whenIdle()` from the public `Agent` handle. Only `abort()` was removed. Validating the premise against the code ([AGENTS.md "RFCs are proposals, not golden truth"](../../../../AGENTS.md)) found `whenIdle()` to be a **load-bearing quiescence primitive**, not dead surface: it is the settle signal in several ACP tests (`packages/ui/acp/tests/{edges,turns,dispose}.spec.ts`) and is backed by a deliberate loop contract (settle waiters without a status transition; handle the replacement-turn race). The RFC's suggested migration — have consumers observe the `running`→`idle` transition by hand — is exactly the brittle hand-rolled path [the defensive patterns](../../../defensive-patterns.md) warns against ("Async state is not synchronous state"). Deleting a clean primitive to push every consumer onto that is a net loss, so `whenIdle()` stays. `abort()` was genuinely dead public surface (no production caller; the loop aborts its own `AbortController` directly), so it was removed as proposed. The text below is amended to describe what shipped. @@ -12,22 +12,23 @@ The `abort()`/`cancel()` distinction is real — `abort()` preserves queued prom The extra surface area made the loop carry a public verb that is mostly a teardown internal: `abort()` had to be documented as distinct from queue-aware cancellation even though a UI cancellation almost always wants the broader operation. -## Proposal +## Decision -Keep `cancel()` as the only public *stop* primitive on `Agent`. Lifecycle owners use `AgentHandle.dispose()` to stop and unregister an agent; non-owners use `cancel()` to abandon current and queued work. The implementation keeps a private abort controller, but it is not part of the plugin-facing `Agent` contract. +`cancel()` is the only public *stop* primitive on `Agent`. Lifecycle owners use `AgentHandle.dispose()` to stop and unregister an agent; non-owners use `cancel()` to abandon current and queued work. The implementation keeps a private abort controller, but it is not part of the plugin-facing `Agent` contract. `whenIdle()` is **retained** as the public quiescence-observation primitive (resolve once the agent settles out of `running`, resolve immediately when already idle, await the loop exit when disposed). It is not a stop verb; it is how a non-owner observes the stop *completing* without disposing the agent. Its live consumers are ACP and agent tests that await settlement through this public seam (`packages/ui/acp/tests`, `packages/core/agent-loop/tests`); the production ACP bridge owns its agents and tears them down through `AgentHandle.dispose()`, so `packages/ui/acp/src` itself has no `whenIdle()` call. -Delete public `abort()`, the tests that exercise it as standalone API, and the docs that describe step-only abort as an embedding feature. Empty-queue abort tests migrate to `cancel(reason)` where they still prove cancellation behavior; tests whose subject is the loop's internal `AbortController` behavior drive that controller directly via an in-package typed cast to the private field; tests that only pin the removed no-arg `abort()` default go away with the method. The disposer remains async and still waits for the loop to stop. +Public `abort()` is deleted, with the tests that exercised it as standalone API and the docs that described step-only abort as an embedding feature. Empty-queue abort tests migrated to `cancel(reason)` where they still prove cancellation behavior; tests whose subject is the loop's internal `AbortController` drive that controller directly via an in-package typed cast to the private field; tests that only pinned the removed no-arg `abort()` default went with the method. The disposer remains async and still waits for the loop to stop. -## Acceptance criteria +## Alternatives considered -- `Agent` exposes no public `abort()`; `cancel()`, `whenIdle()`, and `steer()` remain part of the surface. -- ACP cancellation continues to call `cancel()`. -- Agent teardown continues to await quiescence through handle disposal, and `whenIdle()` still resolves on quiescence for non-owner observers. -- Tests cover cancellation and disposal as the two supported stop paths. +**Removing `whenIdle()` too** — the original proposal's shape, reversed on validating the premise against the code (the implementation note above carries the full record): it is a load-bearing quiescence primitive, and pushing consumers onto hand-observed `running`→`idle` transitions is exactly the brittle path the defensive patterns warn against. -## What we give up +## Verification + +`Agent` exposes no public `abort()` while `cancel()`, `whenIdle()`, and `steer()` remain; ACP cancellation calls `cancel()`; teardown awaits quiescence through handle disposal, with `whenIdle()` resolving on quiescence for non-owner observers; and the suites cover cancellation and disposal as the two supported stop paths. + +## Consequences A future plugin cannot abort only the current model/tool step while preserving queued prompts through the public interface. If that use case becomes real, it should return with a named consumer and a narrower contract. Today it is latent generality that keeps a private loop mechanic public. diff --git a/docs/rfc/implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md b/docs/rfc/implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md index d8ff017d63..e4b72ab5d1 100644 --- a/docs/rfc/implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md +++ b/docs/rfc/implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md @@ -1,14 +1,15 @@ # RFC: Stop mirroring durable boundaries as agent events -Status: implemented (accepted 2026-07-01) +Status: implemented <!-- Shipped in AMENDED, narrowed form: the four turn/step BOUNDARY mirrors are removed; `agent/steering` and `agent/stream-chunk` were RETAINED here (they are not durable-boundary mirrors — see "Scope: what is and isn't removed"). - The original proposal bundled `agent/steering` into the removal; validating - against the code showed it is a distinct live-only signal, so it stayed. - `agent/stream-chunk` was later removed by its own decision — see - [Stop mirroring the token stream as an agent event](2026-07-02-remove-stream-chunk-mirror.md). --> + The original proposal bundled `agent/steering` into the removal; keeping it + out kept this RFC's scope to boundaries. Each retained event was later + removed by its own decision — see + [Stop mirroring the token stream as an agent event](2026-07-02-remove-stream-chunk-mirror.md) + and [Remove the `agent/steering` mirror emit](2026-07-04-remove-agent-steering-mirror.md). --> ## Problem @@ -30,10 +31,15 @@ Removed (durable-boundary mirrors — the session log is authoritative for each) RETAINED — NOT durable-boundary mirrors, so out of scope for this decision: -- `agent/steering` — a live control signal, not a boundary. (The original proposal bundled it into the removal; validating against the code, it is not a duplicate of a durable boundary, so removing it here would have been scope creep. Its fate is a separate future decision.) +- `agent/steering` — not a boundary, so out of scope for THIS decision (the original proposal bundled it into the removal; that would have been scope creep here). It mirrors the durable `steering/message` control record rather than a boundary, and was removed by its own follow-up: [Remove the `agent/steering` mirror emit](2026-07-04-remove-agent-steering-mirror.md). - `agent/stream-chunk` — the live token stream. Out of scope for THIS decision (a mirror of the durable `assistant/chunk`, not a boundary), it was removed by its own follow-up: [Stop mirroring the token stream as an agent event](2026-07-02-remove-stream-chunk-mirror.md). - `agent/created`, `agent/disposed`, `agent/status`, `agent/error`, `agent/queued` — lifecycle/control events that are not transcript data. `agent/queued` in particular is an inbox acknowledgement that fires before any durable event exists (cancelled queued work may never enter the log), so it is deliberately live-only. -## What we give up +## Alternatives considered + +- **Bundling `agent/steering` into the removal** — the original proposal's shape; narrowed out as scope creep: it mirrors the durable `steering/message` control record, not a boundary, and was removed by [its own later decision](2026-07-04-remove-agent-steering-mirror.md) (as was `agent/stream-chunk`, by [the stream-chunk-mirror RFC](2026-07-02-remove-stream-chunk-mirror.md)). +- **Keeping the turn mirrors for the stdio UI** — [the event-domain-semantics RFC](../architecture/2026-06-30-event-domain-semantics.md)'s original stance; rejected here because `dsh-ui-stdio` is a disposable test REPL, not a load-bearing consumer, and it renders boundaries from `session/event` + the id map instead. + +## Consequences A plugin can no longer observe turn/step boundaries from a convenient `Agent`-first event. It must either subscribe to `session/event` or maintain a session-to-agent association. That is an acceptable trade: boundary consumers should not depend on a second event feed that can drift from the durable log. diff --git a/docs/rfc/implemented/simplification/2026-06-26-fsspec-style-fs-seam.md b/docs/rfc/implemented/simplification/2026-06-26-fsspec-style-fs-seam.md index 48a1e5e47c..2663637859 100644 --- a/docs/rfc/implemented/simplification/2026-06-26-fsspec-style-fs-seam.md +++ b/docs/rfc/implemented/simplification/2026-06-26-fsspec-style-fs-seam.md @@ -105,24 +105,24 @@ This RFC reverses two decisions from [filesystem-capability-seam](../../implemen It keeps the interface/implementation/consumer discipline, consumer-never-imports-backend rule, backend-defined target/version/display metadata, atomic local writes, and the shared `FsError` taxonomy. -## Acceptance Criteria +## Verification -- `dsh-fs` exposes exactly `resolve`/`stat`/`readText`/`streamText`/`writeText`/`editText`; `stat` returns `FsInfo | undefined`; `writeText` uses `FsWriteIntent` (`createIfAbsent` or `replaceIfVersion`); removed types/primitives are gone, and the old `applyEdit` API is replaced by `editText`. -- `dsh-fs-policy` adds the observed-state + `read`/`write`/`edit` freshness policy and has HMR/disposal coverage. (It does so as a gate PLUGIN on the `fs/*` events with no `ctx.fileContext` service, per [the event-gate RFC](../architecture/2026-06-26-file-context-as-event-gate.md) — the original service form this RFC proposed was reworked.) -- `dsh-tool-fs` reaches the policy decisions and model-facing schemas stay byte-for-byte unchanged; the observation contract (a read records observed-state; a direct `ctx.fs` read does not) is documented and tested. (The tool injects `fs` and dispatches the `fs/*` events rather than injecting a `fileContext` service, per the event-gate RFC.) -- Windowed read authorizing edit is shown to fail on the pre-refit code and pass after the refit. Existing version-CAS behavior is preserved with a regression test; it is not claimed as a pre-refit failure. An edit based on a stale read must report `FS_STALE_VERSION` before attempting literal matching. -- `dsh-fs-local` carries no line, view, or `formatReadBody` logic; it does carry provider-level `editText` logic. -- Docs and generated artifacts are updated: `docs/architecture.md`, `packages/README.md`, fs package READMEs, `docs/core-data-structures/filesystem.md`, affected `type-equiv` blocks and `scripts/type-equiv.manifest.json`, Cordis catalog, module graph, and doc references. -- Gates stay green: normal `doc-sync`, `pnpm run knip`, and `pnpm run test:coverage` with 100% per-file coverage. +`dsh-fs` exposes exactly `resolve`/`stat`/`readText`/`streamText`/`writeText`/`editText` (`stat` returning `FsInfo | undefined`, `writeText` taking `FsWriteIntent`), with the removed types/primitives gone; `dsh-fs-local` carries no line, view, or `formatReadBody` logic; model-facing schemas stayed byte-for-byte unchanged. Tests pin that a windowed read authorizes a later edit of an unchanged file, that an edit based on a stale read reports `FS_STALE_VERSION` before attempting literal matching, that version-CAS behavior is preserved, and that the observation contract holds (a `read`-tool read records observed-state; a direct `ctx.fs` read does not); `dsh-fs-policy` has HMR/disposal coverage. ## Later extension The seam was later extended with direct directory listing by [Add direct directory listing to the filesystem seam](../architecture/2026-07-03-filesystem-directory-listing-seam.md). That follow-up is tracked separately so this RFC's acceptance criteria continue to describe the fsspec-style refit that originally shipped. -## Risks +## Alternatives considered -- Adds a fourth fs package and a new service. This is intentional: it is the previously deferred policy layer, not a second abstract backend seam. +- **Byte-level fsspec (`cat`/`open` handing back raw bytes)** — rejected: the seam is deliberately text-storage, half a level up, so UTF-8 decoding, binary/NUL rejection, and guarded text mutations live once in the provider and the policy layer never touches raw bytes or separates stale checks from the mutation critical section. +- **A concrete `ctx.fileContext` method service** — this RFC's original policy shape; reworked by [the event-gate RFC](../architecture/2026-06-26-file-context-as-event-gate.md) into the gate plugin, so the tool is never method-coupled to the policy. +- **Keeping `readPage` and `full`/`partial` view authorization on the provider** — the pre-refit shape the Supersedes section reverses: view completeness is not what edit safety needs, version freshness is, and the view rule made large files past the read cap impossible to edit. + +## Consequences + +- Adds a fourth fs package and a new plugin layer. This is intentional: it is the previously deferred policy layer, not a second abstract backend seam. - Direct `ctx.fs` use bypasses the policy: a direct `ctx.fs.readText` emits no `fs/observed`, so under the default policy a later `edit` rejects with `FS_NOT_OBSERVED` until the file is read through the `read` tool. The failure is explicit and documented. - Large-file line windowing moves from the backend to the `read` tool in `dsh-tool-fs`; text decoding and binary rejection stay in `ctx.fs.streamText`, so this is relocation of windowing only, not a second text-IO implementation. - Keeping `editText` in the provider seam means every backend must implement the literal replacement contract. This is intentional: the operation is not pure storage, but stale guard + literal match + atomic rewrite is the unit that must stay together for correct error attribution and concurrency behavior. The contract should stay narrow and text-only so future backends can implement it natively or by whole-file rewrite. -- Freshness permits full-file `write` after a windowed read. That is weaker than the old view check, but avoids making large files impossible to edit; prompt guidance should still discourage blind full replaces. +- Freshness permits full-file `write` after a windowed read. That is weaker than the old view check, but avoids making large files impossible to edit; prompt guidance still discourages blind full replaces. diff --git a/docs/rfc/implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md b/docs/rfc/implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md index b2ed1bc5d4..a272dfe0b2 100644 --- a/docs/rfc/implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md +++ b/docs/rfc/implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md @@ -1,6 +1,6 @@ # RFC: Stop mirroring the token stream as an agent event -Status: implemented (accepted 2026-07-02) +Status: implemented ## Problem @@ -33,9 +33,13 @@ Removed: `agent/stream-chunk`. Not touched: - `assistant/chunk` (the durable session event) — the authoritative token stream, kept exactly as-is. This RFC removes the LIVE MIRROR, not the persistence (the persistence-removal proposal was separately rejected — see above). -- `agent/steering` — a live control signal with no durable twin, retained (its fate remains a separate future decision, per the boundary RFC). +- `agent/steering` — not touched by THIS decision (a control signal, not the token stream). Its durable twin is `steering/message`, and the mirror emit was removed by its own follow-up: [Remove the `agent/steering` mirror emit](2026-07-04-remove-agent-steering-mirror.md). - `agent/status`, `agent/error`, `agent/created`/`agent/disposed`, `agent/queued`, `agent/session-start` — lifecycle/control events that are not transcript data and have no durable duplicate. -## What we give up +## Alternatives considered + +**Remove the persistence and keep only a transient live stream** — the inverse cut, [rejected separately](../../rejected/simplification/2026-06-20-assembled-assistant-messages-only.md): high-fidelity replay, partial failed streams, and snapshot replay all depend on the persisted `assistant/chunk` feed. With that settled, the live emit is the redundant half of the pair. + +## Consequences A plugin can no longer observe token deltas from an `Agent`-first event. It subscribes to `session/event` and filters `assistant/chunk` (the `Agent` handle, if needed, is recovered from a session-id→agent map built from `agent/created`/`agent/disposed`, exactly as boundary consumers already do). No production consumer needed the live `Agent` at chunk time; this is the same acceptable trade the boundary-mirror removal made. diff --git a/docs/rfc/implemented/simplification/2026-07-04-drop-image-content-block.md b/docs/rfc/implemented/simplification/2026-07-04-drop-image-content-block.md new file mode 100644 index 0000000000..0e999c629f --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-drop-image-content-block.md @@ -0,0 +1,27 @@ +# RFC: Drop the `image` content block until a path can honor it + +Status: implemented + +## Problem + +`ImageBlock` (`packages/llm/llm/src/types.ts`) had no production producer, and every consumer on every path DROPPED it: the deepseek adapter's serializer skipped image blocks (a documented MVP limitation), the pi-ai converter skipped them as unrepresentable, the ACP codec neither advertises image prompt capability nor forwarded image blocks outbound and REJECTS image prompt content inbound, and the compaction estimator charged a flat token constant and rendered `[image]`. An `ImageBlock` constructed then would silently vanish from the wire — the vocabulary advertised a capability no path honored, which is the silent-data-loss shape AGENTS.md's defensive patterns warn against. The only constructors anywhere were tests pinning the skip/drop/estimate branches. + +## Decision + +Remove `ImageBlock`, its `ContentBlockMap` entry (and its `cache?: CacheHint` field with it), the explicit `image` estimate/placeholder arms in compact-basic, and the image-naming comments in the deepseek serializer's, pi-ai converter's, and ACP codec's default arms — those default arms absorb the case the way they absorb any unknown block type. Updated in the same change: the vocabulary line in [architecture.md](../../../architecture.md), the block list in `packages/llm/llm/README.md`, the deepseek README's image-skip row, the pi-ai README's images-not-representable row, the compact-basic README's image-estimation and `[image]`-placeholder rows, the pastes in [core.md](../../../core-data-structures/core.md) and [llm-streaming.md](../../../core-data-structures/llm-streaming.md), and the [content-block vocabulary RFC](../architecture/2026-06-11-content-block-vocabulary.md)'s block list and multimodal-home consequence per [implemented/AGENTS.md](../AGENTS.md); the tests that constructed image blocks to exercise the removed branches were dropped (the estimate pin) or retargeted onto the merge-extensible default arms (plugin-added block types). The ACP codec's inbound rejection of image PROMPT content is unaffected — that guard is about protocol content a client can send regardless of our vocabulary, and it stays. + +## Alternatives considered + +### Why not keep it? + +This was the most contested cut in the batch. Multimodal input (screenshots) is a plausible near-term coding-agent feature, and the [content-block vocabulary RFC](../architecture/2026-06-11-content-block-vocabulary.md) reserved the slot deliberately. Two responses. First, `ContentBlockMap` is merge-extensible by design: a real multimodal feature reintroduces `image` in core in the same coordinated change that maps it in the adapters, advertises and renders it in ACP, and prices it in compaction — the producer and its consumers arrive together, which is how the map is meant to grow. Second, the middle option — keep the type but make adapters throw UNSUPPORTED instead of silently dropping — converts this into exactly the shape the sibling request-knobs proposal (`2026-07-04-drop-inert-request-knobs`) argues against: surface whose only implementation is rejection. Absence (a compile error at the would-be producer) is strictly clearer than either silent loss or universal throw. + +The recorded fallback, had review landed on keeping the slot: keep `ImageBlock` but replace every silent skip with a loud rejection, and document that policy in the vocabulary — the silent drop was the one state with no defender. Review landed on removal; the fallback stands as the documented alternative should the slot ever return ahead of a full feature. + +## Verification + +No `ImageBlock` / harness `type: 'image'` block is constructed anywhere outside RFC records; the codec's inbound ACP-image rejection keeps its tests; and the adapter/codec/compaction switches handle the case through their unknown-block default arms, pinned by the plugin-added-block tests. + +## Consequences + +Re-adding a core vocabulary type later touches several packages at once — but that coordinated change is the shape a real multimodal feature needs anyway (adapter mapping, ACP advertisement, compaction pricing), and none of it existed to preserve. diff --git a/docs/rfc/implemented/simplification/2026-07-04-drop-inert-request-knobs.md b/docs/rfc/implemented/simplification/2026-07-04-drop-inert-request-knobs.md new file mode 100644 index 0000000000..95a5a487b5 --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-drop-inert-request-knobs.md @@ -0,0 +1,33 @@ +# RFC: Drop `GenerateOptions.prefill` and `ToolSchema.strict` — request knobs with no working end-to-end path + +Status: implemented + +## Problem + +Two request-contract knobs rode the whole request pipeline, yet neither could do anything: + +- **`prefill`** (`packages/llm/llm/src/types.ts`) had no production setter — the loop assembles `model`/`system`/`tools`/`messages` plus `sessionId`/`signal`, and the compaction backend adds only `maxTokens` — and BOTH adapters rejected it: `packages/llm/llm-deepseek/src/serialize.ts` and `packages/llm/llm-pi-ai/src/adapter.ts` each threw `LlmError('UNSUPPORTED')` on a non-undefined `prefill`. The field's entire observable behavior was two throws, each pinned by one adapter test. DeepSeek's chat-prefix completion is a Beta feature on a base URL neither adapter targets. +- **`strict`** (`ToolSchema`, same file) was threaded through `DefineToolOptions`/`defineTool` (`packages/core/tools/src/schema.ts`), the registry's `schemas()` allowlist (`packages/core/tools/src/index.ts`), the deepseek wire mapping (`packages/llm/llm-deepseek/src/serialize.ts`, whose wire-type note recorded that strict mode requires the `/beta` base URL the adapter does not use), a per-tool payload-patching pass in `packages/llm/llm-pi-ai/src/adapter.ts`, and a conditional `Strict:` row in the tool-catalog renderer (`scripts/gen-tool-catalog.ts`). No shipped tool set it — `rg` across every `tool-*` package src and `examples/` found zero `strict:` producers; the only setters were dsh-tools unit tests. + +Both knobs were adapter-symmetric, so removal shed them from both twins together — the [twin-adapter design](../architecture/2026-06-13-twin-llm-adapters.md) is untouched. + +## Decision + +- `prefill` is removed from `GenerateOptions`, along with both adapters' UNSUPPORTED guards, the tests pinning the throws, the paste line in [core.md](../../../core-data-structures/core.md), and the adapter README rows documenting the rejection. The cookbook's UNSUPPORTED guidance ([adding-an-llm-adapter.md](../../../cookbook/adding-an-llm-adapter.md)) states the rule generically — a `GenerateOptions` field your provider cannot honor throws `LlmError(..., 'UNSUPPORTED')` — instead of using prefill as the example. The [content-block vocabulary RFC](../architecture/2026-06-11-content-block-vocabulary.md)'s consequences record prefill as producer-gated rather than as having a home, per [implemented/AGENTS.md](../AGENTS.md). +- `strict` is removed from `ToolSchema`, `DefineToolOptions`, `defineTool`, the `schemas()` allowlist, the deepseek serializer branch and its wire-type field, and the tool-catalog renderer's `Strict:` row. The pi-ai payload fixup is simplified to the unconditional scrub of pi-ai's own per-tool strict default (pi-ai stamps `strict: false` on every serialized tool; the hand-rolled twin sends no such field, so the scrub survives for wire parity, pinned by its serializer test). The setter tests and the core.md paste line are gone; both `GenerateOptions` and `ToolSchema` keep their rows in `scripts/type-equiv.manifest.json`, since each type survives minus a field. + +This RFC deliberately does NOT touch `temperature`, `stop`, or `maxTokens`: those are honored end-to-end by both adapters and are the natural first targets of a request-mutating hook plugin on `agent/request`. + +## Alternatives considered + +### Why not keep them? + +"An explicit UNSUPPORTED throw is honest contract behavior" — but a knob whose only implementation across both twins is rejection promises nothing, and deleting it upgrades the failure mode: an accidental setter becomes a compile error instead of a runtime throw. "Strict schema adherence is an officially documented provider feature with complete plumbing" — but a knob is not product surface until a shipped tool sets it AND an endpoint honors it; today neither is true. Each returns with its first real producer: `prefill` together with an adapter that implements chat-prefix completion (and a stated policy for adapters that do not), `strict` together with a tool that wants it and a beta-endpoint story. + +## Verification + +`rg prefill` returns only RFC records (this one and the [content-block vocabulary RFC](../architecture/2026-06-11-content-block-vocabulary.md)'s producer-gated consequence); a tool-schema-scoped `rg strict` returns only this RFC, the surviving pi-ai scrub, and unrelated prose such as `strictEqual`. Both adapters' contract tests pass without the guards, and the pi-ai fixup still scrubs the library's strict default — wire parity pinned by its serializer tests. + +## Consequences + +The shipped hook bridges set no request fields at all, and a request-mutating plugin (an `agent/request` waterfall listener) reaches for `temperature`/`stop` (kept, working), not a field adapters reject. If chat-prefix completion or strict mode become product features, the re-add lands with the adapter/endpoint work, where the contract can say what actually happens rather than "everyone throws". diff --git a/docs/rfc/proposed/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md b/docs/rfc/implemented/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md similarity index 59% rename from docs/rfc/proposed/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md rename to docs/rfc/implemented/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md index e3516d974f..b6fbded6ac 100644 --- a/docs/rfc/proposed/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md +++ b/docs/rfc/implemented/simplification/2026-07-04-drop-unconsumed-web-observation-surface.md @@ -1,32 +1,32 @@ # RFC: Drop the unconsumed web observation surface — the `providers-change` event and the status methods -Status: proposed +Status: implemented ## Problem `WebService` exposes an observation surface no production code observes: - **`web/providers-change`** (`packages/web/web/src/index.ts`) is declared and emitted on every provider registration and disposal, and each registration effect's rollback yield is ordered BEFORE the emit solely so a throwing change listener unwinds the registration. No listener exists outside the package's own two unit tests (one of which exists to pin that rollback ordering). -- **`searchStatus()` / `fetchStatus()` and the `WebCapabilityStatus` union** (same package) have zero production callers: `dsh-tool-web` executes directly through `ctx.web.search()`/`fetch()` and surfaces unavailability as the structured `WebError` codes the seam throws at execution time (`packages/web/tool-web/src/search.ts`, `packages/web/tool-web/src/fetch.ts`); the only status callers are the web packages' own tests. The prose in `packages/web/tool-web/README.md` and [architecture.md](../../../architecture.md) still claims the tool "reads only the aggregated `searchStatus()`/`fetchStatus()`" — drift that survives only because nothing checks prose against call sites. +- **`searchStatus()` / `fetchStatus()` and the `WebCapabilityStatus` union** (same package) have zero production callers: `dsh-tool-web` executes directly through `ctx.web.search()`/`fetch()` and surfaces unavailability as the structured `WebError` codes the seam throws at execution time (`packages/web/tool-web/src/search.ts`, `packages/web/tool-web/src/fetch.ts`); the only status callers are the web packages' own tests. The prose in `packages/web/tool-web/README.md` and [architecture.md](../../../architecture.md) claims the tool "reads only the aggregated `searchStatus()`/`fetchStatus()`" — drift that survives only because nothing checks prose against call sites. The seam's own design starves both surfaces of consumers: tool registration follows product ENABLEMENT, not provider availability (`packages/web/tool-web/src/index.ts`), and provider selection resolves at execution time, never cached — so there is no cache to invalidate, no registration set to recompute, and no caller that needs an availability probe distinct from executing and routing the structured error. HMR cleanup is carried by the effect disposers themselves. This mirrors [drop the unconsumed `llm/adapter-change` event](../../implemented/simplification/2026-06-20-drop-unconsumed-llm-adapter-change-event.md), which removed the same notification shape, the same rollback-before-emit machinery, and the same listener-throw test from `LlmService`. That RFC's keep/cut criterion — keep `tools/change` for its plausible user-facing tool-list consumer, cut the boot-time backend-registry signal — puts a web-provider registry squarely on the cut side; the status methods are the same judgment applied to a pull surface instead of a push one. -## Proposal +## Decision -Delete the event declaration, both emits, and the rollback-before-emit ordering (the plain `ctx.effect` disposer keeps HMR cleanup). Delete `searchStatus()`/`fetchStatus()`/`WebCapabilityStatus` — the provider-private `status()` stays, since it feeds execution-time selection. Delete the two event tests and rewrite the status-based test assertions onto the behavior a real caller observes (a successful `search()`/`fetch()`, or the structured `WebError` codes for unavailable/ambiguous/misconfigured provider sets). Run `pnpm run gen-cordis-catalog`; update `packages/web/web/README.md`, `packages/web/tool-web/README.md` (the drifted reads-status sentence), [web.md](../../../core-data-structures/web.md), and the web paragraph in [architecture.md](../../../architecture.md). The implementing PR amends the [web capability seam RFC](../../implemented/architecture/2026-06-24-web-capability-seam.md)'s facts (it specifies the event and the status aggregation) per [implemented/AGENTS.md](../../implemented/AGENTS.md). +The event declaration, both emits, and the rollback-before-emit ordering are deleted (the plain `ctx.effect` disposer carries HMR cleanup). `searchStatus()`/`fetchStatus()`/`WebCapabilityStatus` are deleted — the provider-private `status()` stays, since it feeds execution-time selection. The listener-throw rollback test that existed solely for the removed event is gone, and the emission assertions and every status-based assertion are rewritten onto the behavior a real caller observes: a successful `search()`/`fetch()`, or the structured `WebError` codes for unavailable/ambiguous/misconfigured provider sets. The cordis catalog is regenerated; `packages/web/web/README.md`, `packages/web/tool-web/README.md` (the drifted reads-status sentence), [web.md](../../../core-data-structures/web.md), and the web paragraph in [architecture.md](../../../architecture.md) describe the shipped contract; the [web capability seam RFC](../../implemented/architecture/2026-06-24-web-capability-seam.md)'s facts (it specified the event and the status aggregation) are amended per [implemented/AGENTS.md](../AGENTS.md). -## Why not keep it? +## Alternatives considered + +### Why not keep it? The web seam RFC specified both deliberately — the event as a minimal HMR-visibility signal, the status methods as the tool's aggregated diagnostics — and a future provider-status panel is imaginable. But the same RFC's other choices starved them: derived-on-call selection and enablement-based registration leave no consumer that CAN need either, the shipped tool demonstrates the real pattern (execute and route the structured error), and the drifted README sentence shows the promised consumer never materialized. Per AGENTS.md "RFCs are proposals, not golden truth", these are the parts of that proposal the code has since shown to over-reach; a future observer reintroduces the smallest signal or query it actually consumes, shaped by that consumer. -## Acceptance criteria +## Verification -- No `providers-change`, `searchStatus`, `fetchStatus`, or `WebCapabilityStatus` spelling outside RFC history; the catalog is regenerated and fresh (`verify-cordis-catalog` green). -- Registration/disposal HMR-safety tests prove cleanup through execution behavior rather than the removed surfaces. -- `packages/web/tool-web/README.md` and the architecture paragraph describe the execution-time error-routing contract the tool actually has. +No `providers-change`, `searchStatus`, `fetchStatus`, or `WebCapabilityStatus` spelling survives outside RFC history; the catalog is fresh (`verify-cordis-catalog` green); registration/disposal HMR-safety tests prove cleanup through execution behavior; and the tool-web README plus the architecture paragraph describe the execution-time error-routing contract the tool actually has. -## Risks +## Consequences -A future provider-picker UI or diagnostics panel wants change notifications or a status query — it re-adds the smallest surface it consumes; the identical judgment, and its reversal condition, is already recorded on the llm precedent. +A future provider-picker UI or diagnostics panel that wants change notifications or a status query re-adds the smallest surface it consumes; the identical judgment, and its reversal condition, is already recorded on the llm precedent. diff --git a/docs/rfc/implemented/simplification/2026-07-04-fold-stdio-ui-helper.md b/docs/rfc/implemented/simplification/2026-07-04-fold-stdio-ui-helper.md new file mode 100644 index 0000000000..38ec9ee4fa --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-fold-stdio-ui-helper.md @@ -0,0 +1,26 @@ +# RFC: Fold the stdio UI helper into the stdio app + +Status: implemented + +## Problem + +The readline UI was a whole package (`@deepseek-ai/dsh-ui-stdio` under `packages/support/`) whose only runtime importer was the app package `@deepseek-ai/dsh-stdio-agent`. The examples reach the readline UI by loading the app, never by composing the helper themselves; every other repo reference was mechanical or descriptive surface that existed BECAUSE the package boundary existed — manifest and tsconfig entries, generated module-graph rows, dependency-graph and README rows, and doc comments naming the package. The ui group README recorded the support placement rationale ("exists chiefly for the examples and the coverage gate — `ui/` is reserved for surfaces shipped as product"), which left a standing tension: a shipped product app depending on a support package documented as NOT product surface. + +The boundary bought package metadata, workspace and tsconfig references, module-graph rows, README entries, and publint surface for a helper that is not independently swappable: the stdio app's front-door cluster always includes the readline UI, and nothing else can meaningfully consume it. + +## Decision + +The helper lives inside `@deepseek-ai/dsh-stdio-agent` as the in-package `stdio-chat` module (`packages/ui/stdio-agent/src/stdio-chat.ts`): `createStdioChat`, its `StdioRuntime` test seam, and its unit tests (`packages/ui/stdio-agent/tests/stdio-chat.spec.ts`, `readline.spec.ts`) moved with it, so EOF handling, rendering, disposal, and piped-vs-TTY behavior stay unit-covered under the per-file coverage gate without hijacking process globals. The module keeps the named `name`/`inject`/`Config`/`apply` export shape — the contract the app's `ctx.plugin(uiStdio, …)` mount consumes — and the keyless Loader-path smokes in `examples/echo-agent` and `examples/coding-agent` keep proving the composed tree boots through the real Loader (the app's export SHAPE is pinned by the stdio-agent unit suite's explicit `unwrapExports` assertion, since a bundle without `inject` would boot past a stray default rather than crash). + +The `packages/support/ui-stdio` package is gone: manifest, tsconfig references, module-graph rows, and README rows deleted; the doc comments that named the package (the example e2e module docs, `packages/README.md`, the support and todo READMEs, [the ui group README](../../../../packages/ui/README.md)) describe the in-package module. + +## Alternatives considered + +### Why not promote it to `ui/` instead? + +Promotion would have resolved the support-vs-product mismatch while keeping the boundary — the right call only if the readline UI were an independently swappable integration or had a second composer, and the consumer census said neither. The structured ACP bridge stays its own package because it is the product protocol surface with its own contract and snapshot tiers; the readline helper is scaffolding for one app's front door. Re-extraction stays cheap pre-release: if a second product app wants the readline UI, split it back out then, with that consumer shaping the package contract. + +## Consequences + +- The stdio app owns its whole front door; a leaf `cordis.yml` still loads one app package and nothing changed shape for the demos. +- A future standalone terminal UI that wants the helper as a package reintroduces it with that second consumer, rather than the repo keeping a boundary for hypothetical reuse. diff --git a/docs/rfc/implemented/simplification/2026-07-04-prune-producerless-vocabulary-variants.md b/docs/rfc/implemented/simplification/2026-07-04-prune-producerless-vocabulary-variants.md new file mode 100644 index 0000000000..5d40b166bd --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-prune-producerless-vocabulary-variants.md @@ -0,0 +1,31 @@ +# RFC: Prune producer-less vocabulary variants (block cache hints, the `agent` message source, the `continuation` turn trigger) + +Status: implemented + +## Problem + +The merge-extensible vocabulary maps are designed to grow by declaration merging, and the codebase already states the admission policy on `TurnEndReasonMap` (`packages/core/session/src/types.ts`): a variant like `refusal` is "deliberately omitted until" an adapter or loop first emits it. Three declared vocabulary items violated that policy — each had no producer and no consumer, and two had not even a test: + +- **`CacheHint` and its `cache?: CacheHint` block fields** on `TextBlock`/`ToolResultBlock` (`packages/llm/llm/src/types.ts`; the image block carried a third such field, which left with it — see [the drop-image RFC](2026-07-04-drop-image-content-block.md)). Nothing constructed a block with `cache:` anywhere — src, tests, and doc pastes all came up empty — and neither adapter read `.cache`: DeepSeek prompt caching is automatic, so the adapters map `prompt_cache_hit_tokens` OUT of responses without ever sending a hint IN. This was Anthropic-style `cache_control` surface with no provider that could honor it. +- **`MessageSourceMap.agent`** (`{ kind: 'agent'; agentId: string }`, same file). Zero constructors, tests included. Its intended producer shipped without it: the subagent backends send the parent's prompt to the child with no `source`, so it logs as `{ kind: 'user' }`, and the generic envelope renderer interpolates `source.kind` without ever routing on it. +- **`TurnTriggerMap.continuation`** (`packages/core/session/src/types.ts`). The loop structurally cannot emit it — continuation happens *within* a turn as further steps, never as a new turn — and it constructs only `message` and `injection` triggers. The only writer was one hand-built test fixture needing an arbitrary non-message trigger (`packages/support/llm-replay/tests/llm-replay.spec.ts`), which an `injection` trigger serves equally; the only production trigger reader, the ACP bridge, filters on `kind === 'message'`. + +## Decision + +`CacheHint`, its `cache?` block fields, the `agent` message-source variant, and the `continuation` turn-trigger variant are deleted: the shipped vocabulary carries none of them. The llm-replay fixture uses an `injection` trigger (any non-`message` trigger serves its purpose). The type-equiv pastes in [core.md](../../../core-data-structures/core.md) and [session.md](../../../core-data-structures/session.md) match the pruned maps — both symbols keep their rows in `scripts/type-equiv.manifest.json`, since each map survives minus a member — and the [content-block vocabulary RFC](../architecture/2026-06-11-content-block-vocabulary.md)'s consequences record cache hints as producer-gated rather than as having a home, per [implemented/AGENTS.md](../AGENTS.md). + +Each variant returns the day it gains a real producer, exactly as the maps are designed to grow: a caching feature re-adds `cache` together with the adapter that transmits it; subagent attribution re-adds `agent` together with the backend that stamps it and a consumer that routes on it; an auto-continue feature that genuinely starts new turns re-adds `continuation` with the plugin that emits it. + +## Alternatives considered + +### Why not keep them? + +The [content-block vocabulary RFC](../architecture/2026-06-11-content-block-vocabulary.md) listed "cache hints … have a home" as a design consequence, and reserved slots do advertise intent. But an empty slot is contract surface every implementation and consumer must consider (must my adapter honor `cache`? must my renderer route `agent` sources?), and the sibling map's own JSDoc already rejects reservation-without-emitter — `refusal` and `max_turn_requests` are named as variants to add *when something first emits them*, not declared in advance. Holding already-declared dead variants to the same standard makes the vocabulary mean something: if it is in the map, something produces it. + +## Verification + +`rg` for `CacheHint`, the `agent` message-source spelling, and the `continuation` trigger spelling returns only RFC records (this one, and [the drop-image RFC](2026-07-04-drop-image-content-block.md)'s account of the image block's own `cache` field); the llm-replay fixture asserts the same replay behavior with an `injection` trigger; the core-data-structures pastes and the type-equiv manifest are in sync. + +## Consequences + +Nothing operational changed — nothing could construct these values. The mirror-event removals ([the boundary-mirror RFC](2026-06-20-remove-agent-boundary-mirror-events.md), [the stream-chunk RFC](2026-07-02-remove-stream-chunk-mirror.md)) touch only transient `agent/*` events, never the durable vocabulary, so there is no collision. Elsewhere the admission policy already holds: `rejected`, `prompt/blocked`, and `hook/invoked`/`hook/result` each have live producers — this RFC extends the same bar to the three variants that lacked one. The image block's own `cache?` field belongs to [the drop-image RFC](2026-07-04-drop-image-content-block.md), which removed it together with the block; this RFC covers the two fields on the block types that remain. diff --git a/docs/rfc/implemented/simplification/2026-07-04-prune-write-only-fs-surface.md b/docs/rfc/implemented/simplification/2026-07-04-prune-write-only-fs-surface.md new file mode 100644 index 0000000000..0fc11a1c17 --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-prune-write-only-fs-surface.md @@ -0,0 +1,30 @@ +# RFC: Prune write-only fields and a dead routing knob from the fs seam + +Status: implemented + +## Problem + +The [fs seam split](2026-06-26-fsspec-style-fs-seam.md) moved read routing and policy out of the backend into `dsh-tool-fs` and `dsh-fs-policy`. Four pieces of surface kept the pre-split shape — populated on every call, read by nobody: + +1. **`STREAM_MIN_SIZE` + `FsIoInternals.streamMinSize` in `dsh-fs-local`** — *removed ahead of this change by the no-hardcoded-tunables audit, which made the routing bound `dsh-tool-fs`'s `readStreamMinSize` config; recorded here as part of the full prune.* Originally (`packages/fs/fs-local/src/fsio.ts`, re-exported from `packages/fs/fs-local/src/index.ts`): zero readers anywhere, including fs-local's own source and tests. The backend has no read routing — `readWholeText`/`streamWholeText` are separate primitives the caller chooses between — and the real routing constant lives in the consumer (`packages/fs/tool-fs/src/read.ts`, compared against `info.size`). Two mirrors of the 10 MiB fact; the backend's was dead, and the knob's JSDoc claimed a "read routing" override that did not exist. +2. **`FsTarget.inputPath`** (`packages/fs/fs/src/types.ts`): every backend and every test fake had to fabricate a "diagnostics only" value with zero production readers — the policy plugin and every error message use `targetKey`/`displayPath`. The `listDir` producer exposed the semantic wobble: directory children got the bare entry name, which was nobody's "input". +3. **`FsEditOutcome.replacements` + `.replaceAll`** (`packages/fs/fs/src/types.ts`): `replacements` had zero production readers (the single-match policy itself stays — it is enforced by the `FS_AMBIGUOUS_EDIT`/`FS_EDIT_NOT_FOUND` throws inside the backend, whose error message keeps the internal count); `replaceAll` was read only by `formatEditOutput` in `packages/fs/tool-fs/src/edit.ts` — as an echo of the `replace_all` argument the tool already holds. Shrunk, `FsEditOutcome` is `{ version, before, after }`, parallel to `FsWriteOutcome`'s genuinely backend-discovered fields. +4. **`FileReadOutcome.limit` + `.version`** (`packages/fs/tool-fs/src/read-render.ts`): populated by the read tool, but `formatReadOutput` renders `offset`/`lines`/`totalLines`/`truncatedByBytes` only, and the `fs/observed` emit uses `info.version` directly rather than an outcome copy. + +## Decision + +Delete the fs-local constant, its re-export, and the `streamMinSize` knob (the remaining `FsIoInternals` knobs are genuinely used by the atomic-write tests); drop `inputPath` from `FsTarget`; shrink `FsEditOutcome` to `{ version, before, after }` and pass `replaceAll` to `formatEditOutput` from the parsed args; drop `limit`/`version` from `FileReadOutcome`. The [filesystem.md](../../../core-data-structures/filesystem.md) pastes, `packages/fs/fs/README.md`, and the test fakes that had to fabricate the removed fields shrink with the types. + +## Alternatives considered + +### Why not keep them? + +A future permission/containment layer might want the pre-resolution path for error text — but it would want the *request*, which every call site still holds. "N occurrences replaced" might become model-facing text — a behavior change to design when wanted, and the backend-internal count survives for its error message. A read footer might display `limit` — everything the footer shows already derives from `lines`/`totalLines`. Meanwhile every current and future backend (remote, native) would have to fabricate wire fields nobody consumes, and every test fake would have to satisfy them. + +## Verification + +The removed surfaces are gone — `STREAM_MIN_SIZE`/`streamMinSize` in `dsh-fs-local`, `FsTarget.inputPath`, `FsEditOutcome.replacements`/`.replaceAll`, and `FileReadOutcome.limit`/`.version` — while the request-side `replaceAll` (`FsEditRequest`) and the version fields on the other outcome types are untouched; the test fakes shrank with the types. `formatEditOutput`'s emitted text is unchanged for both `replace_all` branches, so no snapshot golden churned. + +## Consequences + +Backends gain no new obligations; they shed four fields nobody consumed. The fs discovery work (glob/grep tools) touches the same `dsh-fs` type files — a textual, not design, overlap that reconciles mechanically. diff --git a/docs/rfc/implemented/simplification/2026-07-04-remove-agent-steering-mirror.md b/docs/rfc/implemented/simplification/2026-07-04-remove-agent-steering-mirror.md new file mode 100644 index 0000000000..4c76d7f044 --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-remove-agent-steering-mirror.md @@ -0,0 +1,31 @@ +# RFC: Remove the `agent/steering` mirror emit + +Status: implemented + +## Problem + +`agent/steering` was the last remaining transient mirror of a durable session event. The loop's steering drain appends the durable `steering/message { turn, content, source }` and, on the very next line, emitted `agent/steering(agent, turn, content, source)` — the identical fact as a fire-and-forget event (`packages/core/agent-loop/src/loop.ts`, `drainSteering`). It had zero production listeners: the only subscriber anywhere was a loop regression test asserting the emit carried `source` — the same fact the durable event already records one line above. + +Both mirror-removal RFCs retained it while explicitly deferring the decision this RFC makes. The [boundary-mirror removal](2026-06-20-remove-agent-boundary-mirror-events.md) kept it as a live control signal rather than a boundary; the [stream-chunk removal](2026-07-02-remove-stream-chunk-mirror.md) retained it on the reading that it had no durable twin. The second rationale did not survive the code: the durable twin is `steering/message`, appended immediately before the emit with the same payload. The mirrored-vs-live-only line the taxonomy actually draws puts it on the mirror side: `agent/queued` is genuinely live-only (it fires at enqueue time, before any durable event exists, and already carries a `steering: boolean` flag — cancelled queued work never enters the log), while `agent/steering` fired at the exact moment its durable twin landed, carrying nothing the log does not. + +Steering carries real production traffic — the hook bridges' turn-continuation decisions inject their reasons through `inbox.steer()`, landing as durable `steering/message` events that the hook-matrix goldens pin — and every one of those consumers observes the durable event. Nothing observed the mirror. + +## Decision + +`agent/steering` is removed from the agent event taxonomy: the declaration in `packages/core/agent/src/types.ts` (and its mention in the live-events JSDoc list there), the emit in `drainSteering` (whose then-unused `ctx` parameter went with it), the row in `packages/core/agent/README.md`, and the emit line in the loop-pseudocode blocks (the `packages/core/agent-loop/src/loop.ts` module doc and [architecture.md](../../../architecture.md)); the cordis catalog is regenerated without it. The one regression test pins source preservation on the durable `steering/message` event — the fact it pins lives on the log. + +Three implemented RFCs stated the retention, and each is amended per [implemented/AGENTS.md](../AGENTS.md) to point here as the record of the removal: the [boundary RFC](2026-06-20-remove-agent-boundary-mirror-events.md)'s retained-list entry, the [stream-chunk RFC](2026-07-02-remove-stream-chunk-mirror.md)'s scope clause, and the [event-domain-semantics RFC](../architecture/2026-06-30-event-domain-semantics.md)'s transient-emit enumeration. + +## Alternatives considered + +### Why not keep it? + +"It is a control signal, not a boundary" — but the taxonomy's operative distinction is mirrored-vs-live-only, not control-vs-boundary, and this event mirrored. A consumer that wants enqueue-time notification has `agent/queued` (with its steering flag); a consumer that wants drain-time notification is by definition asking for the moment `steering/message` is appended, which `session/event` delivers with the same payload plus durability. The rejected [retire-mid-turn-steering RFC](../../rejected/simplification/2026-06-20-retire-mid-turn-steering.md) defended the steering *capability* — `steer()`, the durable event, continuation forcing — all of which this removal keeps untouched. + +## Verification + +The `agent/steering` spelling survives only in RFC prose (this RFC, the three amended RFCs above, and the frozen [rejected steering-capability RFC](../../rejected/simplification/2026-06-20-retire-mid-turn-steering.md), whose text records the proposal it declined); the catalog is regenerated; the retargeted test pins source preservation on `steering/message`. + +## Consequences + +Zero production listeners existed to migrate, and both live-notification needs keep surviving homes: enqueue-time on `agent/queued` (with its `steering` flag), drain-time on `session/event` as the durable `steering/message` lands. diff --git a/docs/rfc/implemented/simplification/2026-07-04-share-app-bin-boot-glue.md b/docs/rfc/implemented/simplification/2026-07-04-share-app-bin-boot-glue.md new file mode 100644 index 0000000000..9f30dc67f8 --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-share-app-bin-boot-glue.md @@ -0,0 +1,25 @@ +# RFC: Share the app bins' boot glue instead of maintaining twin copies + +Status: implemented + +## Problem + +`packages/ui/stdio-agent/src/bin.ts` and `packages/ui/acp-agent/src/bin.ts` carried four near-twin helpers — `loadEnv`, `installFailLoud`, `assertEntriesLoaded`, `boot` — whose bodies differed essentially in the diagnostic prefix, plus two copies of the hardest-won boot lore in the repo: the `Promise.allSettled` swallow inside `loader.await()`, the silent-exit-0 import-failure guard, and the `--expose-internals` resolution note. The copies had drifted (`boot(configPath)` resolved the path internally in one bin but required a pre-resolved absolute path in the other, with forked JSDoc prose), and all of it sat outside the per-file 100% gate — `vitest.config.ts` excludes `packages/*/*/src/bin.ts` because importing a self-executing bin runs it — which also made the helpers' `export` keywords decorative: no spec could import them, so the only exercisers were subprocess smokes. + +## Decision + +The helpers live once, in [`@deepseek-ai/dsh-app-boot`](../../../../packages/ui/app-boot) (`packages/ui/app-boot`, in the `ui` group because the bins are published artifacts whose runtime dependency must itself be published, not `support/`): `resolveConfigPath` (snapshot-aware, the single path resolver for both bins), `loadEnv`, `installFailLoud`, `assertEntriesLoaded`, and `boot`, each parameterized by the bin's diagnostic prefix and injectable at its side-effect seams (the warn sink, the process slice) so the unit suite covers every branch — including `boot()` driven in-process against the real Loader with relative-specifier configs, both the settled-tree happy path and the fiber-less-entry rejection. The package carries the per-file 100% coverage gate; the loader-failure lore has one home. + +Each `bin.ts` is a thin self-executing composition over the shared helpers plus its app-specific lifecycle (the ACP bin: replay-mode env skipping and the stdin-EOF dispose; the stdio bin: nothing extra). The bins stay coverage-excluded and export nothing; the published-artifact guards are unchanged — the built-bin smokes still run each bin under plain node in a node_modules-shaped temp dir (now symlinking `ui/app-boot` too) and still assert the missing-config non-zero exit, per the "real entry path means the published artifact" defensive pattern. The [extract-example-app-packages RFC](../architecture/2026-06-20-extract-example-app-packages.md)'s bin-ownership facts are amended accordingly. + +## Alternatives considered + +### Why not keep the duplication? + +The bins were framed as independently-owned published artifacts, and a new package carries fixed overhead (manifest, README, tsconfig reference, publint surface) comparable to the deduplicated line count. But app-vs-app sharing was never weighed by the RFC that created the bins — it consolidated three example `start.ts` copies INTO the bins and stopped there; the drift was observed fact; and the coverage-gap argument is independent of the dedup argument: this was the only nontrivial runtime logic in the repo exempt from the per-file 100% gate. The recorded fallback (extracting only the pure logic into per-app modules) would have ended the exemption but kept two homes for the lore. + +## Consequences + +- A boot-glue change (a new guard, a resolution fix) lands once and both published bins inherit it; the bins cannot drift apart again. +- `dsh-app-boot` stays dependency-light (cordis + the loader/include pair) — it is boot machinery, not app surface. +- The bins' own files are near-trivial compositions; everything with branches lives under the coverage gate. diff --git a/docs/rfc/implemented/simplification/2026-07-04-tighten-hook-protocol-contract.md b/docs/rfc/implemented/simplification/2026-07-04-tighten-hook-protocol-contract.md new file mode 100644 index 0000000000..ea86d1c4eb --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-tighten-hook-protocol-contract.md @@ -0,0 +1,30 @@ +# RFC: Tighten the hook-protocol contract — dialect, discarded fields, double defaults, and lib-owned `hook/result` semantics + +Status: implemented + +## Problem + +Four pieces of the `dsh-hook-protocol`/bridge contract missed the discipline the [subagent-observe-enrich RFC](../feature/2026-06-30-subagent-observe-enrich.md) records — it dropped an `agentType` lifecycle field for lacking a consumer, and these failed the same test: + +1. **`HookDialect`'s `'native'` variant** (`packages/hooks/hook-protocol/src/types.ts`) had zero producers — the bridges stamp `'claude'` and `'codex'`; the only `'native'` constructor anywhere was the lib's own unit test. The field's own JSDoc defines `dialect` as "the bridge that ran it", and native is not a bridge: the [interception-seams RFC](../feature/2026-06-30-interception-seams.md) records that native hooks are not a package and that "a native plugin can already use the typed Decisions" without the durable hook log, and the flagship native-plugin worked example asserts exactly that (no `hook/*` events at all). +2. **`HookOutput.suppressOutput`** (same file) was parsed by the codec and discarded on every path: no bridge branch, no merge fold, no warn, no deferred-list row — uniquely among its parsed-but-unhonored siblings, each of which carries a stated deferral (`updatedInput` → a logged warn plus the [pre-tool-input-rewrite proposal](../../proposed/feature/2026-06-30-pre-tool-input-rewrite.md); `systemMessage` → a logged warn plus a README deferred row; `continue`/`stopReason` → a `TODO(hook-continue-false)` anchor plus the `'stop'` decision record). Structurally there is nothing to suppress: hook stdout never enters any transcript (context flows only via `additionalContext`; the log records only `decision`/`stderrSummary`), so a hook author setting `suppressOutput: true` got silent nothing with no warn. +3. **`defaultTimeoutMs` was double-defaulted in both bridge configs with a floating literal** — a schema `.default(600_000)` AND a `?? 600_000` fallback (`packages/hooks/hooks-claude/src/index.ts`, `packages/hooks/hooks-codex/src/index.ts`), two homes per bridge for one protocol-level constant, so the bridges could silently drift apart on the shared default. *The proposal's original remedy — delete the knob outright — was overtaken by the no-hardcoded-tunables audit, which kept the knob as the explicit bridge-owned config (and added `stderrSummaryMaxChars` beside it); what remained to fix was the literal's home.* +4. **The `hook/result` semantics lived in the bridges, twice, not in the lib that owns the event.** `summarize()` — the stderr truncation rule — was byte-identical in `packages/hooks/hooks-claude/src/index.ts` and `packages/hooks/hooks-codex/src/index.ts`, and so was the decision-string rule `output.decision ?? (output.continue === false ? 'stop' : 'pass')`; yet `dsh-hook-protocol` declared `hook/result`, documented `stderrSummary` as "truncated" without owning the truncation, and documented the decision values without owning the mapping. If one bridge drifted (a different cap, a different fallback), the shared durable event's semantics would fork silently. + +## Decision + +`HookDialect` is `'claude' | 'codex'`, its JSDoc names the two bridges, and the lib's unit test constructs a `'codex'` invocation. `suppressOutput` is gone from `HookOutput`, the codec's parse, the codec tests, and the parsed-superset lists in the lib README and the [hook-protocol-lib RFC](../feature/2026-06-30-hook-protocol-lib.md) (amended per [implemented/AGENTS.md](../AGENTS.md)). `hook/result.durationMs` stays: review judged wall-clock hook runtime worth its bytes as durable audit timing (which hook made a turn slow), so `runHook` keeps its injected `now` clock and `RunHookResult` wrapper, the bridges keep passing the measured duration through `HookResultRecord`, and the snapshot normalizer keeps scrubbing the one nondeterministic field to `0` for replay. On the tunables, the no-hardcoded-tunables audit set the shape this change keeps: `defaultTimeoutMs` and `stderrSummaryMaxChars` stay explicit bridge configs, and `RunHookOptions.defaultTimeoutMs` stays a required parameter the bridge passes in. What this change adds is one home per literal: the reference defaults live in the lib as `DEFAULT_HOOK_TIMEOUT_MS` (600 000 ms, exported from the runner) and `DEFAULT_STDERR_SUMMARY_MAX_CHARS` (500, exported from the events module), and both bridges' schema defaults and `??` fallbacks read those constants instead of restating the numbers. The `hook/result` semantics live in the lib: `HookResultRecord` carries the decoded `HookOutput` plus the bridge's `stderrSummaryMaxChars`, and `appendHookResult` derives `stderrSummary` (via the exported `summarizeStderr(stderr, maxChars)`) and the decision string from them; both bridges deleted their private copies, and the derived values are byte-identical to what the bridges wrote (the goldens prove it — their only diff is the dropped `durationMs`). Rider: `BLOCKING_EXIT_CODE` is a codec-internal const, no longer exported (it had zero importers; even the codec tests spell the literal `2`). + +## Alternatives considered + +### Why not keep them? + +The [hook-protocol-lib RFC](../feature/2026-06-30-hook-protocol-lib.md) deliberately recorded "parses the full CC superset" — the strongest counterargument was that this proposal re-litigates decisions that RFC records. But parsing a field whose value can never influence anything is not protocol faithfulness, it is a reader trap; a dialect variant that the design's own thesis says will never be stamped is vocabulary without an interpreter; Each returns trivially with its first real consumer (a transcript surface with hook stdout to suppress; a native-provenance feature that logs hook events). On `durationMs` the review reached the opposite verdict: a persistence log is written for future readers, and wall-clock hook timing is audit signal worth carrying before a reader exists — so it stays, with replay normalization as the accepted cost. On item 4, the lib RFC chose per-bridge explicitness over a parameterized engine — but that choice governed payload construction and Decision mapping; the semantics of the SHARED durable event are precisely the "primitives where duplication would actually be dangerous" that the same RFC assigns to the lib. + +## Verification + +`HookDialect` is two-valued (`rg "'native'"` in the hooks packages returns nothing); `suppressOutput` appears nowhere in source, parsed-field doc lists, or the normalizer, while `durationMs` stays on `hook/result` and in the fixtures with the replay scrub intact; the literals `600_000` and `500` each live once, in the lib's `DEFAULT_HOOK_TIMEOUT_MS`/`DEFAULT_STDERR_SUMMARY_MAX_CHARS`, with per-hook `timeoutSec` still overriding; and the truncation rule and decision-string rule are defined once, in `dsh-hook-protocol`'s `appendHookResult`, exercised by both bridges' suites. + +## Consequences + +The `dialect`, `suppressOutput`, tunables, and semantics changes are invisible on the wire and in the goldens. The cost was churn in `dsh-hook-protocol` and both bridges — cheap under the pre-release stance, and cheaper than letting two copies of a durable event's semantics age apart. diff --git a/docs/rfc/implemented/simplification/2026-07-04-trim-acp-bridge-unreachable-surface.md b/docs/rfc/implemented/simplification/2026-07-04-trim-acp-bridge-unreachable-surface.md new file mode 100644 index 0000000000..13c3635477 --- /dev/null +++ b/docs/rfc/implemented/simplification/2026-07-04-trim-acp-bridge-unreachable-surface.md @@ -0,0 +1,24 @@ +# RFC: Trim unreachable ACP bridge surface — the branding knobs and the kind-sniffing fallback + +Status: implemented + +## Problem + +Two pieces of `dsh-acp` surface were unreachable from any shipped configuration: + +1. **`AcpConfig.agentName` / `agentVersion`** (`packages/ui/acp/src/index.ts`). The shipped app package hands the bridge only `{ model }` (`packages/ui/acp-agent/src/index.ts`), so no leaf `cordis.yml` — the only production config surface — could set the knobs at all; they were settable solely by direct-mounting the bridge, which only a unit test did. Every snapshot golden — the hook-matrix scenarios included — pins the schema defaults (`deepseek-harness-acp` / `0.0.1`). The pair also carried a live `TODO(double-default)`: the literals existed twice (schema `.default(...)` plus `??` fallbacks), with the TODO asking to pick one home. +2. **The `toolKindFor` name heuristic** (same file) special-cased `bash*`/`read*`/`write`/`edit*` tool names in the generic-fallback path. Since the [render-intent union](../architecture/2026-07-02-tool-render-intent-union.md), every first-party tool those arms matched ships its own `presentCall` carrying its kind, and the presenter-less production tools (`subagent`, `subagent_fork`) fell through to `other` anyway. The arms were production-reachable only when a tool declined to present its own call — a `presentCall` that THROWS (the containment fallback), or model arguments that fail the tool's schema so `defineTool`'s `presentCall` wrapper returns `undefined` (e.g. a `bash` call missing the required `description`) — and the bridge's own module doc states the design rule the heuristic violated: "the bridge never special-cases tool names". + +## Decision + +`agentInfo` is hardcoded at the `initialize` site (`{ name: 'deepseek-harness-acp', version: '0.0.1' }`); the two config fields, their schema defaults, the `??` fallbacks, and the `TODO(double-default)` (whose subject vanished with them) are gone, along with the knob half of the direct-mount config test, the two config rows in `packages/ui/acp/README.md`, and the `packages/ui/acp/acp-feature-support.md` cells that described the knobs and the name inference. The emitted handshake wire value is unchanged — zero golden churn on the branding half. `toolKindFor` is replaced by the constant `'other'` at both fallback sites (the presenter fallback and `nullToolPresenter`), and the heuristic is deleted with its test rows. The fixed handshake identity stays pinned by the bridge's initialize unit test and by every snapshot golden. On the fallback half the transcript delta shows up in exactly one committed golden: `hook-codex-posttool-block`, whose recorded model omits the required `description` on three `bash` calls, so those cards take the declined-to-present fallback and carry `kind: 'other'` — the honest neutral card for a call the tool would not vouch for. + +## Alternatives considered + +### Why not keep them? + +`agentInfo` is client-visible branding a deployment will eventually want configurable — but a knob no shipped config can reach is not configurability, it is drift surface (the double-default TODO was its symptom), and the honest re-add must include the `dsh-acp-agent` plumb-through that does not exist either; both arrive together with the deployment that needs them. For the heuristic: a hypothetical third-party presenter-less tool named `read_docs` loses an inferred `read` icon — but inferring kinds from unknown plugins' names is exactly the special-casing the render-intent design rejected. The only shipped paths the heuristic reached were the declined-to-present fallbacks (a throwing `presentCall`, or schema-invalid model args); rendering kind `other` there makes the client show the raw input instead of a masquerading first-party card — strictly better diagnostics for a broken presenter or a malformed call. + +## Consequences + +Nothing beyond the fallback rendering trade described above — degenerate paths whose neutral card is more diagnosable than an inferred first-party one. diff --git a/docs/rfc/implemented/testing/2026-06-11-property-based-testing.md b/docs/rfc/implemented/testing/2026-06-11-property-based-testing.md index c3f1d1a46b..67404ab49a 100644 --- a/docs/rfc/implemented/testing/2026-06-11-property-based-testing.md +++ b/docs/rfc/implemented/testing/2026-06-11-property-based-testing.md @@ -1,12 +1,10 @@ # RFC: Property-based testing for protocol-shaped code -Status: implemented (proposed 2026-06-11, accepted 2026-06-14) - -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> +Status: implemented > Merges the original proposal and the decision record for one topic. It found a real BlockAssembler duplicate-`block-end` bug on first run. -## Context +## Problem Example-based tests pin the cases we thought of. The harness's core is protocol-shaped — chunk streams, event logs, schema conversion, inbox scheduling — where the input space is combinatorial and the interesting bugs live in interleavings nobody wrote an example for. The motivating evidence: a block-assembly ordering bug once survived 100% line coverage of the happy paths. Per-file 100% coverage proves every line ran, not that every interleaving is correct. @@ -25,3 +23,5 @@ Adopt `fast-check` (a root devDependency) with one `tests/properties.spec.ts` pe - **It already paid off:** the BlockAssembler stream found a real bug — a duplicate `block-end` at the same index overwrote an already-flushed block, so the streamed prefix disagreed with final `blocks()`. Fixed (first close wins, matching the existing straggler rule) with a dedicated regression test. - A property flake from a timeout is a finding, not something to retry away. The loop properties are deterministic by construction (settle on `agent/status`), so a hang is a real defect. - Property tests supplement, not replace, the example tests that pin specific branches for the 100%-coverage gate. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md b/docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md index 7f6cd47b48..b424a253bd 100644 --- a/docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md +++ b/docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md @@ -1,10 +1,8 @@ # RFC: ACP snapshot tests — record-once / replay-deterministic -Status: implemented (accepted 2026-06-19) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The harness has two test tiers: keyless unit `.spec.ts` (the 100%-per-file coverage gate) and real-API `.e2e.ts` (key-gated, self-skipping in CI). Neither continuously verifies the **complete output transcript** an ACP editor (Zed) sees on its stdin/stdout. The existing ACP e2e ([examples/acp-agent/tests/acp.e2e.ts](../../../../examples/acp-agent/tests/acp.e2e.ts)) is the closest end-to-end check, but it is key-gated and asserts on a handful of *structured fields* (`stopReason`, a `tool_call` title), not the byte-for-byte stream of `session/update` frames. That leaves the "green units, broken product" gap: every unit test can pass while the actual editor-facing protocol output regresses — the same class of failure that shipped the inject bug ([docs/postmortem/0001](../../../postmortem/0001-acp-default-export-drops-inject.md)), where 178 hand-mounted tests stayed green while a real Zed session crashed instantly. @@ -46,14 +44,14 @@ Replay is positional: the Nth `stream()` call serves the Nth `ReplayEntry`. This Recording runs the scenario with the real `llm-deepseek` adapter and the JSONL persistence backend, then copies the produced `.jsonl` into the scenario dir. Per-event appends are durable, but the harness shuts the subprocess down gracefully (close stdin → `await ctx.dispose()`) before harvesting so the final events are flushed. `llm-replay` itself does no recording — it is replay-only. -The ACP server app loads `@deepseek-ai/dsh-llm-deepseek`, whose `apply` throws when no API key is present ([packages/llm/llm-deepseek/src/index.ts](../../../../packages/llm/llm-deepseek/src/index.ts)). So replay cannot reuse the normal config — it uses a dedicated `examples/acp-agent/cordis.snapshot.yml` that installs `llm-replay` in place of the adapter. The rest of the tree is not duplicated: both the normal `examples/acp-agent/cordis.yml` and the replay config load the same `@deepseek-ai/dsh-acp-agent` app entry (which bundles the agent-core spine + JSONL persistence + the ACP bridge), differing only in the LLM backend (`llm-deepseek` vs `llm-replay`) and the bash executor line. Recording reuses the normal `cordis.yml` (real adapter) — its persistence root reads `$DSH_SNAPSHOT_SESSIONS_ROOT` when the harness sets it — so there is no separate record config. The `dsh-acp-agent` bin selects `cordis.snapshot.yml` for `DSH_SNAPSHOT=replay` and skips `.env` loading in that mode so a stray key cannot trigger a live call. +The ACP server app loads `@deepseek-ai/dsh-llm-deepseek`, whose `apply` throws when no API key is present ([packages/llm/llm-deepseek/src/index.ts](../../../../packages/llm/llm-deepseek/src/index.ts)). So replay cannot boot the normal config as-is — `examples/acp-agent/cordis.snapshot.yml` is an include-overlay of `cordis.yml` that disables the `llm-deepseek` entry by id and inserts `llm-replay` (see [single-source the acp-agent replay config](2026-07-04-single-source-acp-replay-config.md)); every other entry IS the live tree, loaded through the include. Recording reuses the normal `cordis.yml` (real adapter) — its persistence root reads `$DSH_SNAPSHOT_SESSIONS_ROOT` when the harness sets it — so there is no separate record config. The `dsh-acp-agent` bin selects `cordis.snapshot.yml` for `DSH_SNAPSHOT=replay` and skips `.env` loading in that mode so a stray key cannot trigger a live call. ### Two surfaces: normalize, then compare A snapshot run asserts **two** normalized surfaces, because the harness's external surfaces are distinct: 1. The **stdout transcript** — the framed `session/update` JSON-RPC the editor sees. Catches regressions in the ACP bridge's event→update translation (`streamSessionEventUpdate`). Compared against a committed `stdout.golden.jsonl`. -2. The **re-persisted session JSONL** — the log the replay run itself persists, compared against the scenario's `session.jsonl`. Catches regressions in the loop, tool dispatch, and turn/step structure that never surface on stdout. There is no separate session golden: `session.jsonl` is BOTH the replay source (recorded scenarios) and the expected produced log. Both sides pass through `normalizeSessionLog` before comparing — the fixture is raw-harvested (its own real session id / cwd / timestamps) and the replay output has fresh ones, so each is scrubbed against ITS OWN volatile values (the fixture's read from its header line) and the comparison is on normalized form. For an authored override scenario the same `session.jsonl` holds the expected produced log; `replay.override.json` drives the model, and `llm-replay` ignores the fixture for model chunks when an override exists, so committing the expected log there does not affect replay. +2. The **re-persisted session JSONL** — the log the replay run itself persists, compared against the scenario's `session.jsonl`. Catches regressions in the loop, tool dispatch, and turn/step structure that never surface on stdout. There is no separate session golden: `session.jsonl` is both the replay source (recorded scenarios) and the expected produced log. Both sides pass through `normalizeSessionLog` before comparing — the fixture is raw-harvested (its own real session id / cwd / timestamps) and the replay output has fresh ones, so each is scrubbed against its own volatile values (the fixture's read from its header line) and the comparison is on normalized form. Every stored JSONL additionally scrubs composed prompt text to `{{system}}`; each header class's pinning scenario stores that prompt readably in `system-prompt.golden.md` and keeps the complete tool schemas in its JSONL, while other scenarios scrub schemas to `{{tools}}` ([pinned-header RFC](2026-07-06-pin-request-header-content-in-one-scenario.md)). For an authored override scenario the same `session.jsonl` holds the expected produced log; `replay.override.json` drives the model, and `llm-replay` ignores the fixture for model chunks when an override exists, so committing the expected log there does not affect replay. The two are genuinely additive: stdout is the bridge's *lossy projection* of the log (it drops `assistant/message.usage`, `step/*`, exact `seq`/`time`, and renders tool I/O differently), so a loop/tool/turn-structure regression can change the JSONL while leaving the stdout projection identical, and a bridge-translation regression can change stdout while the JSONL is untouched. Asserting the JSONL equality also echoes the proposed [universal replay fixture](../../proposed/testing/2026-06-11-deterministic-and-stress-testing.md) idea. @@ -70,7 +68,13 @@ The replay plugin lives in its own package, `@deepseek-ai/dsh-llm-replay` (`pack ### Two subcommands, replay in the default gate -`pnpm run test:snapshot` runs replay (keyless) and is composed into the default `pnpm run test` gate so every PR gets the regression check (the main `vitest.config.ts` include stays narrow; the gate is `test && test:snapshot`). `pnpm run test:snapshot:record` requires `DEEPSEEK_API_KEY` (loaded from repo `.env` first), hits the real API, harvests the produced `session.jsonl` (the replay source AND the expected-log artifact), and `--update`s the stdout golden in one pass. Both forward a scenario filter. A missing fixture in replay **fails loud** with a "record first" message rather than self-skipping (the e2e self-skip rule is a CI-secret accommodation, not appropriate here — a committed-fixture test that silently vanishes is a coverage hole). A no-model scenario's `session.jsonl` simply has no `assistant/chunk` events (empty derived script); fail-loud still applies if a model call happens with no entry. An orphan-fixture guard test fails on a golden/fixture not referenced by any scenario (Vitest does not prune orphaned raw goldens), and a per-kind required-fixture guard asserts each scenario ships exactly the files its kind needs (`input.json` + `stdout.golden.jsonl` + `session.jsonl` for ALL scenarios — the harness passes `<dir>/session.jsonl` to `llm-replay` unconditionally, so even a no-model scenario needs its header-only fixture or `loadReplayScript()` fails; `replay.override.json` additionally for authored model scenarios). +`pnpm run test:snapshot` runs replay (keyless) and is composed into the default `pnpm run test` gate so every PR gets the regression check (the main `vitest.config.ts` include stays narrow; the gate is `test && test:snapshot`). `pnpm run test:snapshot:record` requires `DEEPSEEK_API_KEY` (loaded from repo `.env` first), hits the real API, harvests the produced `session.jsonl` (the replay source AND the expected-log artifact), and `--update`s the stdout golden in one pass. Both forward a scenario filter. A missing fixture in replay **fails loud** with a "record first" message rather than self-skipping (the e2e self-skip rule is a CI-secret accommodation, not appropriate here — a committed-fixture test that silently vanishes is a coverage hole). A no-model scenario's `session.jsonl` simply has no `assistant/chunk` events (empty derived script); fail-loud still applies if a model call happens with no entry. An orphan-fixture guard test fails on a golden/fixture not referenced by any scenario (Vitest does not prune orphaned raw goldens), and a per-kind required-fixture guard asserts each scenario ships exactly the files its kind needs (`input.json` + `stdout.golden.jsonl` + `session.jsonl` for ALL scenarios — the harness passes `<dir>/session.jsonl` to `llm-replay` unconditionally, so even a no-model scenario needs its header-only fixture or `loadReplayScript()` fails; `replay.override.json` exactly for the scenarios whose table entry sets `overridden` — required with the flag, forbidden without it, because the harness forwards the sidecar purely on file existence and an unregistered stray would silently replace the derived script). + +## Alternatives considered + +- **A hand-authored `llm.json` of model chunks** — the earlier draft; reusing the real session log makes the fixture a genuine product of the system rather than a hand-built mock, and doubles it as a behavioral golden. +- **A byte-level HTTP-record library (Polly/nock/MSW)** — rejected: adapter-specific, awkward with streaming SSE, and lower-level than the thing under test. +- **Synthesizing throw/cancel entries from `turn/end {kind:'error'|'aborted'}`** — rejected: it couples `llm-replay` to loop-internal turn-closing semantics, and the `turn/end` reason is lossy (it cannot distinguish a thrown 401 from a finish-error); the explicit `replay.override.json` sidecar is the cleaner seam. ## Consequences diff --git a/docs/rfc/implemented/testing/2026-06-19-real-api-e2e-ci.md b/docs/rfc/implemented/testing/2026-06-19-real-api-e2e-ci.md index 42b2e55ffd..e567c4ff24 100644 --- a/docs/rfc/implemented/testing/2026-06-19-real-api-e2e-ci.md +++ b/docs/rfc/implemented/testing/2026-06-19-real-api-e2e-ci.md @@ -1,10 +1,8 @@ # RFC: Real-API e2e in CI against the external DeepSeek API -Status: implemented (accepted 2026-06-19) +Status: implemented -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The harness leans hard on real-API tests by policy: [docs/testing.md](../../../testing.md) argues that a no-key suite proves the plumbing but not the product, and the [ACP inject postmortem](../../../postmortem/0001-acp-default-export-drops-inject.md) is the standing proof — 178 keyless tests stayed green while a real editor session crashed instantly. The real-API e2e suite (`pnpm run test:e2e`, the `*.e2e.ts` files) exists precisely to close that gap: it drives the agent against the live DeepSeek API — real model calls, real bash tools, multi-turn, resume, ACP-over-stdio. @@ -14,7 +12,7 @@ This RFC records the decision to add a **second, secret-consuming workflow** tha ## Decision -Add a dedicated workflow, [.github/workflows/e2e.yml](../../../../.github/workflows/e2e.yml), separate from ci.yml. It runs only `pnpm run test:e2e` against the external API using a repo secret, on trusted events, with a preflight that converts a missing secret into a loud failure instead of a false green. ci.yml is left untouched. +Add a dedicated workflow, [.github/workflows/e2e.yml](../../../../.github/workflows/e2e.yml), separate from ci.yml. It runs only `pnpm run test:e2e` against the external API using a repo secret, on trusted events, with a preflight that converts a missing secret into a loud failure instead of a false green. The keyless workflow remains separate so forkable quality gates and secret-consuming real-API gates keep different trigger and credential policies. ### A separate workflow, not a job in ci.yml @@ -22,7 +20,7 @@ ci.yml's value is that it is keyless, forkable, and always-green: any contributo ### Cost is not the constraint; reliability is -The usual reason to ration real-API CI — token cost — does not apply here: we are DeepSeek and internal inference is effectively free. So the design optimizes for *coverage and signal*, not for minimizing calls. The suite runs in full (all six `*.e2e.ts` files), on multiple triggers, on every trusted PR. This is the CI embodiment of the [docs/testing.md](../../../testing.md) with-key policy. +The usual reason to ration real-API CI — token cost — does not apply here: we are DeepSeek and internal inference is effectively free. So the design optimizes for *coverage and signal*, not for minimizing calls. The suite runs in full (all matching `*.e2e.ts` files), on multiple triggers, on every trusted PR. This is the CI embodiment of the [docs/testing.md](../../../testing.md) with-key policy. ### Triggers: trusted events only @@ -56,7 +54,7 @@ The repo secret is named `DEEPSEEK_API_KEY_EXTERNAL`; it is mapped to the `DEEPS ### Scope, runtime shape -Run **only** `test:e2e`. The keyless gates (typecheck/lint/coverage/snapshot/build/hygiene) already run in ci.yml on every push and PR; repeating them here would duplicate signal and slow the real-API job. No build step — e2e tests run unbuilt via tsx + the tsconfig paths map. Single Node 24 (the `engines` floor): these tests exercise *API integration*, not node-version compat, which ci.yml's `[24, 26]` matrix already owns; a second Node version would double real-API calls for no added signal. `timeout-minutes: 45` bounds a wedged run given serial files (`fileParallelism: false`), 120s/test, and `retry: 2`. `cancel-in-progress` is enabled only for `pull_request` runs — a superseded PR run is on a stale commit and worth cancelling, whereas a push/schedule run is already producing the post-merge/nightly signal and is never cancelled. +Run **only** `test:e2e`. The keyless gates (typecheck/lint/coverage/snapshot/build/hygiene) already run in ci.yml on every push and PR; repeating them here would duplicate signal and slow the real-API job. No build step — e2e tests run unbuilt via tsx + the tsconfig paths map. Single Node 24 (the primary line): these tests exercise API integration, not node-version compatibility, which ci.yml's Node 22.19/24/26 matrix owns. `vitest.e2e.config.ts` runs files through a bounded worker pool (`DSH_E2E_MAX_WORKERS`, default `4`, CI value `14`) so CI and local with-key runs parallelize independent files while retaining a one-line serial escape hatch for quota investigations. `timeout-minutes: 45` bounds a wedged run given 120s/test and `retry: 2`. `cancel-in-progress` is enabled only for `pull_request` runs — a superseded PR run is on a stale commit and worth cancelling, whereas a push/schedule run is already producing the post-merge/nightly signal and is never cancelled. ## Security @@ -86,6 +84,11 @@ What gets worse is the *surrounding* model, and these are the things to address None of these require changing the workflow to go public; they are operational steps plus the already-added `pull_request_target` guard comment. +## Alternatives considered + +- **A secret-consuming job inside ci.yml** — rejected: it would couple the keyless, forkable, always-green gate to credential availability and a different trigger/concurrency policy; different lifecycles, different files. +- **Omitting the `pull_request` trigger** (the smaller key-exposure surface) — rejected for the pre-merge signal; the Security section carries the accepted exposure analysis. + ## Consequences A second CI workflow and the first repo secret to maintain. The real-API suite now gates merges (pre-merge on trusted PRs, post-merge on the main branch) and runs nightly, so a real break in the agent's interaction with the external API surfaces in CI rather than only in a developer's local run — at the cost of real (but internally free) API calls on every trusted PR and merge. The preflight makes secret misconfiguration self-announcing instead of silently disabling the net. diff --git a/docs/rfc/implemented/testing/2026-06-20-remove-redundant-snapshot-log-goldens.md b/docs/rfc/implemented/testing/2026-06-20-remove-redundant-snapshot-log-goldens.md index af7cd59d06..2a6f8b7ae3 100644 --- a/docs/rfc/implemented/testing/2026-06-20-remove-redundant-snapshot-log-goldens.md +++ b/docs/rfc/implemented/testing/2026-06-20-remove-redundant-snapshot-log-goldens.md @@ -1,6 +1,6 @@ # RFC: Use `session.jsonl` as the only snapshot session-log artifact -Status: implemented (proposed and accepted 2026-06-20) +Status: implemented ## Problem @@ -8,9 +8,9 @@ Model-driving ACP snapshot scenarios ship both `session.jsonl` and `session.gold Authored override scenarios (`error-finish`, `cancel`) currently use `replay.override.json` to drive model behavior and keep `session.jsonl` as a minimal dummy fixture, while `session.golden.jsonl` holds the expected persisted log. The override file is a JSON array of `ReplayEntry` objects: `{ "kind": "chunks", "chunks": StreamChunk[] }`, `{ "kind": "throw", "chunks": StreamChunk[], "message": string, "code": string, "status"?: number }`, or `{ "kind": "hang" }`. That split is also unnecessary: when an override sidecar exists, `llm-replay` replaces the derived script and does not need `session.jsonl` for model chunks, so `session.jsonl` can still be the expected session-log artifact for the scenario. -## Proposal +## Decision -Remove the `session.golden.jsonl` concept entirely. Every scenario has at most one committed session-log artifact, `session.jsonl`: +The `session.golden.jsonl` concept is removed entirely. Every scenario has at most one committed session-log artifact, `session.jsonl`: - For recorded scenarios, `session.jsonl` remains the raw harvested log. Replay still derives model chunks from it, and the snapshot test compares the replay run's normalized persisted log against normalized `session.jsonl`. - For authored override scenarios, `replay.override.json` drives model behavior and `session.jsonl` holds the expected produced session log. The replay adapter ignores the fixture for model chunks when the override exists, so the same file can be the expected log without affecting replay behavior. @@ -18,18 +18,18 @@ Remove the `session.golden.jsonl` concept entirely. Every scenario has at most o Stdout goldens remain unchanged; they are the editor-facing projection and are not redundant with the session fixture. -## Acceptance criteria +## Alternatives considered -- `session.golden.jsonl` disappears from the snapshot harness, fixtures, orphan guards, and docs. -- The snapshot test derives the expected session log from `session.jsonl` for every model scenario. -- Authored sidecar scenarios commit their expected produced log in `session.jsonl`; `replay.override.json` remains the model-behavior override. -- Orphan-fixture guards understand which files are required by scenario kind. -- The [ACP snapshot tests RFC](../../implemented/testing/2026-06-19-acp-snapshot-tests.md) is updated to describe the reduced fixture set. +**Normalizing both sides against a shared (replay-run) context** — rejected: `normalizeSessionLog` scrubs cwd by exact string match, so the fixture's recorded cwd would survive unscrubbed and every compare would fail. Each side normalizes against its own header-derived context — the implementation note below carries the mechanics. -## What we give up +## Verification + +`session.golden.jsonl` appears nowhere in the snapshot harness, fixtures, orphan guards, or docs; the snapshot test derives the expected session log from `session.jsonl` for every model scenario; authored sidecar scenarios commit their expected produced log as `session.jsonl` with `replay.override.json` as the model-behavior override; and the orphan-fixture guards know which files each scenario kind requires. The [ACP snapshot tests RFC](../../implemented/testing/2026-06-19-acp-snapshot-tests.md) describes the reduced fixture set. + +## Consequences Reviewers lose one artifact name that made the expected persisted log visually separate from the replay fixture. The stdout golden still protects the editor transcript, and comparing replay output to `session.jsonl` preserves the loop/persistence regression check without duplicating files. ## Implementation note -The comparison normalizes BOTH sides, but each against its OWN volatile values, not a shared context. A raw harvested `session.jsonl` bakes in the recording run's session id, cwd, and timestamps; the replay run produces fresh ones. `normalizeSessionLog` scrubs cwd by exact string match, so normalizing the fixture against the *replay* run's cwd would leave the recorded cwd in the header unscrubbed and the compare would fail. The harness therefore derives the fixture's normalize context from its OWN header line (`{ type:'session', id, cwd }`) — `fixtureContext()` in `acp.snapshot.ts` — so both sides scrub to the same `{{sessionId}}`/`{{cwd}}` tokens. An authored fixture copied from the old golden already carries the normalized header (`id:'{{sessionId}}'`, `cwd:'{{cwd}}'`), which yields those tokens as the volatile values and scrubs idempotently. The session-log side uses a plain normalized-string `toEqual`, NOT `toMatchFileSnapshot`, so a run never overwrites the fixture. +The comparison normalizes BOTH sides, but each against its OWN volatile values, not a shared context. A raw harvested `session.jsonl` bakes in the recording run's session id, cwd, and timestamps; the replay run produces fresh ones. `normalizeSessionLog` scrubs cwd by exact string match, so normalizing the fixture against the *replay* run's cwd would leave the recorded cwd in the header unscrubbed and the compare would fail. The harness therefore derives the fixture's normalize context from its OWN header line (`{ type:'session', id, cwd }`) — `fixtureContext()` in `dsh-acp-snapshot`'s suite module — so both sides scrub to the same `{{sessionId}}`/`{{cwd}}` tokens. An authored fixture copied from the old golden already carries the normalized header (`id:'{{sessionId}}'`, `cwd:'{{cwd}}'`), which yields those tokens as the volatile values and scrubs idempotently. The session-log side uses a plain normalized-string `toEqual`, NOT `toMatchFileSnapshot`, so a run never overwrites the fixture. diff --git a/docs/rfc/implemented/testing/2026-06-22-fork-snapshot-scenarios.md b/docs/rfc/implemented/testing/2026-06-22-fork-snapshot-scenarios.md index 2ad44e2040..b2c39047b9 100644 --- a/docs/rfc/implemented/testing/2026-06-22-fork-snapshot-scenarios.md +++ b/docs/rfc/implemented/testing/2026-06-22-fork-snapshot-scenarios.md @@ -25,3 +25,5 @@ The fork backend seeds the child with the parent's **balanced completed-turn pre - `subagent-mixed` is the first snapshot scenario to drive two *different* subagent backends in one transcript, exercising the per-session replay keying across a spawn and a fork child simultaneously. - Out-of-process (ACP) subagent replay remains a different shape (each child is its own process with its own replay) and is still tracked as `TODO(acp-subagent-replay)` — these scenarios are in-process only. - Re-recording (`pnpm run test:snapshot:record`) regenerates all four fork/spawn fixtures from the live API; the two new scenarios self-skip without a key like every recorded scenario. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/implemented/testing/2026-06-22-subagent-snapshot-replay.md b/docs/rfc/implemented/testing/2026-06-22-subagent-snapshot-replay.md index e72175e544..d114b25176 100644 --- a/docs/rfc/implemented/testing/2026-06-22-subagent-snapshot-replay.md +++ b/docs/rfc/implemented/testing/2026-06-22-subagent-snapshot-replay.md @@ -31,6 +31,8 @@ This keys by WHO calls, not by global call order — so it stays correct even if The ordering key is the session header `createdAt`. In the current synchronous cut this is sound because sibling children are created **strictly sequentially** — the subagent tool awaits one child's result and disposes it before the parent's next tool call starts the next child — so their `createdAt` values are strictly ordered and match first-call order exactly. A same-millisecond sibling tie is therefore unreachable; the `recordedId` tiebreak only keeps such a degenerate collision deterministic, it does not recover first-call order. A future cut that runs siblings concurrently/backgrounded WOULD be able to create two children in the same millisecond, and must then thread a real first-call ordinal (the order live sessions first stream) rather than leaning on `createdAt` — flagged with `XXX(concurrent-subagents)` at the sort site. +## Alternatives considered + The alternative considered and rejected was a **call-ordered merge of the parent and child logs** into one global script (sound only because in-process subagent execution is strictly nested — the parent blocks on the child). It is simpler for today's synchronous cut but bakes in the parent-blocks-on-child invariant that a future backgrounded/concurrent subagent would break; per-session keying does not. ### 3. The harness harvests every log, primary-first diff --git a/docs/rfc/implemented/testing/2026-07-04-hook-snapshot-matrix.md b/docs/rfc/implemented/testing/2026-07-04-hook-snapshot-matrix.md index f8ec029d22..47db2cd793 100644 --- a/docs/rfc/implemented/testing/2026-07-04-hook-snapshot-matrix.md +++ b/docs/rfc/implemented/testing/2026-07-04-hook-snapshot-matrix.md @@ -18,7 +18,7 @@ Two coupled changes, in one PR: It is safe because a bridge whose config file is absent is a **silent no-op**: `apply()` catches the read failure, logs through `ctx.logger`, and registers nothing — zero listeners, zero session events. The `acp-agent` app ships no stdout logger, so the warning cannot reach the ACP JSON-RPC channel. A scenario (or a real project) that wants only Claude hooks ships only `hooks.json`; the Codex bridge sees no `codex-hooks.json` and vanishes. This was verified empirically: with both bridges loaded, all pre-existing snapshots (none of which ship a `codex-hooks.json`) are byte-identical. -Loading both is the minimum that lets the snapshot tier exercise each dialect against the same real app the product ships. Recording (which boots `cordis.yml`) must load both too, so a recorded Codex scenario captures the transcript with its hook genuinely active — hence the symmetric edit to both configs. +Loading both is the minimum that lets the snapshot tier exercise each dialect against the same real app the product ships. Recording (which boots `cordis.yml`) loads both by construction, and replay inherits them the same way: `cordis.snapshot.yml` is an include-overlay of `cordis.yml` that swaps only the llm entry (see [single-source the acp-agent replay config](2026-07-04-single-source-acp-replay-config.md)), so a bridge added to the live tree is in the replay tree with no second edit. ### 2. A snapshot scenario per hook point × its headline outcome, both dialects @@ -44,3 +44,5 @@ The matrix therefore covers every hook point that has a DETERMINISTIC, OBSERVABL - The block scenarios are keyless (no model turn); the rest replay keyless from recorded fixtures. `pnpm run test:snapshot:record` regenerates the recorded fixtures from the live API and self-skips without a key like every recorded scenario. - The prove-red discipline holds: tampering a hook config's output (e.g. changing a deny reason) turns its scenario red on replay — the hook process runs FOR REAL during replay (only the model is replayed), so the golden guards the actual hook→seam→loop path, not a mock of it. - The `acp-agent` demo now loads a Codex bridge it will usually no-op (no `codex-hooks.json` in a typical project), which is the intended fail-soft behavior, not a cost. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md b/docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md new file mode 100644 index 0000000000..358aa64147 --- /dev/null +++ b/docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md @@ -0,0 +1,25 @@ +# RFC: Single-source the acp-agent replay config + +Status: implemented + +## Problem + +`examples/acp-agent` shipped two hand-maintained configs: `cordis.yml` (the live tree) and a `cordis.snapshot.yml` that mirrored it entry-for-entry with only the llm backend swapped — stripped of comments, the entire difference was the eight-line `llm-deepseek` stanza versus the two-line `llm-replay` stanza. Every app-shape change had to be made twice, and nothing gated the symmetry: if the copies drifted, the snapshot tier would silently exercise a different app than the one that ships — the ["green units, broken product" class of gap](../../../postmortem/0001-acp-default-export-drops-inject.md) the snapshot tier exists to close, reintroduced one level up, with reviewer vigilance as the only defense. + +## Decision + +`cordis.snapshot.yml` is a declarative overlay, not a copy: its single entry mounts `@cordisjs/plugin-include` on `./cordis.yml` with `patches` that disable the `llm-deepseek` entry (matched by id AND asserted by `name`, so a reused id can never disable the wrong plugin) and insert the `llm-replay` entry ([the vendored include plugin](../../../../vendor/include/src/index.ts)'s patch mechanism: by-id overrides with an optional name assertion, plus top-level inserts). Every other entry — the app, the bash executor, the fs/subagent/todo tools, both hook bridges, the system prompt — is the live tree itself, loaded through the include, so replay exercises exactly what ships and an app-shape change lands once. The `dsh-acp-agent` bin is untouched (it still just selects this file for `DSH_SNAPSHOT=replay`); recording still boots `cordis.yml` directly; the bin's `assertEntriesLoaded` guard tolerates the disabled entry by design (a disabled entry is the one legitimate fiber-less state). + +One vendored-plugin fact the overlay depends on, deliberately: the include applies `patches` when it loads the file — its `refresh()`/`internal/update` paths re-read without re-patching — which is exactly enough for a one-shot replay boot (the replay app loads no `hmr` and nothing rewrites the config mid-run). The snapshot suite is the proof: all scenarios pass unchanged on the overlay, byte-identical goldens included. + +## Alternatives considered + +### Why not the alternatives? + +Keeping the full twin with a symmetry verify-gate was the recorded fallback — it would have removed the silent-drift class but kept a 125-line near-copy whose only content was one entry's difference, growing with every plugin the app gains. A bin-side swap (parse the config, replace the entry, delete the file) would have put YAML surgery inside a published artifact and moved the replay delta out of sight; the overlay keeps the delta declarative, readable, and next to the base config — the teaching value the twin's defenders actually wanted. + +## Consequences + +- A plugin added to `cordis.yml` is in the replay tree with no second edit; the drift class is structurally gone rather than gated. +- The overlay depends on entries carrying stable `id:`s. The `name` assertion on the disable patch guards mis-targeting (a reused id skips the patch instead of disabling the wrong plugin). An id RENAME degrades the patch to a skip whose warning needs a logger the replay app deliberately lacks — the observable result is a futile keyless `llm-deepseek` entry alongside `llm-replay`, with replay output still correct (`llm-replay` owns the stream short-circuit); config rot for review to catch, not wrong snapshots. A top-level insert whose id collides with an existing entry resolves last-wins through the loader's id map — the current config has no collision, and a new patch line is where one would be introduced. +- If a future replay tree needs a second divergence (another backend swapped), it is one more patch line, not a second fork of the file. diff --git a/docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md b/docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md new file mode 100644 index 0000000000..00a60ad4bc --- /dev/null +++ b/docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md @@ -0,0 +1,33 @@ +# RFC: Pin request-header content in one snapshot scenario + +Status: implemented + +## Problem + +An ACP snapshot suite needs to prove the exact composed system prompt and tool-schema list sent in each `request/header`, but duplicating that content inside every `session.jsonl` makes a prompt or schema edit rewrite dozens of giant one-line JSON records. Keeping one raw header avoids the duplication but still makes prompt review poor: prose is JSON-escaped onto one line and mixed with thousands of characters of tool schemas. + +## Decision + +Exactly one scenario per header-composition class is flagged `pinsHeader`. Its directory splits the pin by review format: `system-prompt.golden.md` contains the normalized composed prompt as ordinary Markdown, while `session.jsonl` keeps the full tool-schema list, config, and reason but stores `header.system` as `"{{system}}"`. Every other JSONL stores both the system prompt and tool list as `"{{system}}"` / `"{{tools}}"`. The pin mechanics live in [`dsh-acp-snapshot`](../../../../packages/support/acp-snapshot/README.md), whose suite factory enforces one pin per class. + +The pure `scrubSystemPrompts` normalizer applies to every stored session fixture and tokenizes both an initial header's prompt and a header delta's inserted prompt lines. `scrubRequestHeaders` additionally tokenizes tool schemas and session-prefix content for non-pinning scenarios while retaining structural facts: system-delta positions and arity, added/removed/changed tool names, prefix message count, field presence, config, and reason. Record and refresh write-back apply the appropriate scrub before writing JSONL and regenerate the Markdown prompt from the normalized live header, so neither path can reintroduce prompt text into JSONL or leave the readable snapshot stale. + +Guards make the split self-enforcing. On disk, every `session*.jsonl` is a fixed point of `scrubSystemPrompts`, only non-pinning fixtures are fixed points of the full header scrub, `system-prompt.golden.md` exists exactly beside pinning fixtures, and each class has one pin. Live, every `request/header` produced by a parent, spawn child, fork child, initial request, or resume must match both halves of its class's pin after volatile-value normalization. A header without a string prompt or any `request/header-delta` fails loud because the two static pin artifacts cannot represent it. + +One pin covers the whole suite because every session — parent, spawn child, fork child — composes the identical tool list and the identical prompt modulo cwd, and the uniformity guard fails the suite the moment that stops holding. If header composition ever becomes session-dependent by design (a restricted subagent toolset, say), the divergent shape gets its own pinning scenario. + +## Alternatives considered + +- **Re-record or hand-edit every fixture per change** — preserves exact headers but buries behavioral diffs under duplicated prompt and schema content. +- **Scrub at compare time only, keeping fixtures raw** — lets compares pass while committed fixtures retain stale duplicate content and rewrite wholesale on the next recording. Stored tokens state honestly what each JSONL does not pin. +- **Scrub everywhere, pin nowhere** — loses the only end-to-end record of the composed header as actually sent (prompt assembly, registered-tool order, full schemas). The generated tool catalog documents each tool in isolation; only a real fixture pins the composed set. +- **Keep the one full pin entirely in JSONL** — removes suite-wide duplication but leaves system-prompt changes as an escaped one-line diff entangled with the tool list. Markdown gives prompt prose its natural review format without weakening the header assertion. +- **Slim the session log itself (log a content digest, store the header elsewhere)** — violates the reconstructability contract: the product log must reproduce each request bit-for-bit ([reconstructable-requests RFC](../architecture/2026-07-05-reconstructable-requests.md)). Header bulk is a test-artifact concern, solved in test normalization; the live log is untouched. + +## Verification + +The suite replays every scenario against the split pins. Unit coverage exercises both scrub levels, Markdown formatting, record/refresh regeneration, normalized prompt extraction, fixed-point enforcement, required-file symmetry, header uniformity, and delta rejection. + +## Consequences + +A system-prompt change produces a normal line-oriented Markdown diff in one file per affected composition class; a tool-description change produces one pinned JSONL line per class; ordinary behavioral fixtures remain untouched. Session fixtures display tokens for omitted content, and the live uniformity guard makes each split pin authoritative for every session in its class. The pinning scenario carries one extra generated artifact whose terminal newline is canonicalized for repository hygiene. diff --git a/docs/rfc/implemented/testing/2026-07-08-shared-acp-snapshot-package.md b/docs/rfc/implemented/testing/2026-07-08-shared-acp-snapshot-package.md new file mode 100644 index 0000000000..2f631a5d8a --- /dev/null +++ b/docs/rfc/implemented/testing/2026-07-08-shared-acp-snapshot-package.md @@ -0,0 +1,36 @@ +# RFC: Extract the ACP snapshot suite into a support package + +Status: implemented + +## Problem + +The ACP snapshot tier ([snapshot RFC](2026-06-19-acp-snapshot-tests.md)) was built from three modules living inside one example's test directory: `snapshot-harness.ts` (boot the real bin subprocess, drive it over ACP JSON-RPC, harvest the persisted logs), `snapshot-normalize.ts` (the pure golden normalizers), and the ~150-line scenario body plus fixture guards in `acp.snapshot.ts` (record/replay modes, the stdout-golden and log compares, the pinned-header uniformity guard, the orphan/required-file/single-pin meta-tests). + +A second ACP example wanting snapshot coverage — the sandbox/approval composition is the immediate consumer — could only copy those modules, forking exactly the logic that must not drift: record write-back, header scrubbing, child-session harvest ordering. The spawn/client glue was already triplicated across `acp.e2e.ts`, `hooks.e2e.ts`, and the harness (`TODO(acp-test-harness)`). Location also decided test rigor: the per-file 100% coverage gate measures `packages/*/*/src` only, so none of this machinery was measured — the same gap that had moved `dsh-llm-replay` out of `examples/` into [packages/support](../../../../packages/support/README.md). And the harness's ACP client hardcoded `requestPermission → cancelled`, so an approval round-trip — the headline behavior of the sandbox composition — could not be expressed at the snapshot tier at all. + +## Decision + +The machinery lives in [`packages/support/acp-snapshot`](../../../../packages/support/acp-snapshot/README.md) (`@deepseek-ai/dsh-acp-snapshot`); an example's `*.snapshot.ts` is its scenario table, its agent paths, and one factory call, over its own `snapshots/` fixtures and `cordis.snapshot.yml` overlay ([single-source replay config](2026-07-04-single-source-acp-replay-config.md)). Reading `DSH_SNAPSHOT` stays at that edge — the library takes a resolved `mode`. + +**`src/harness.ts`** — `runScenario` and the input-script/result types, parameterized by an `AgentUnderTest` (`binScript`, `configPath`, `tsconfigPath`; absolute paths the consuming suite resolves from its own `import.meta.url`). The client's `session/request_permission` handler consumes an optional `InputScript.permissionAnswers` FIFO queue, each entry selecting by option **kind** (ids are agent-issued randoms a committed script cannot know; kinds are the ACP-stable vocabulary, mapped to the offered `optionId` at answer time); an absent or exhausted queue answers `cancelled`, and a kind the request never offered rejects the run — the agent itself is answered `cancelled`, so the scenario bug fails the harness rather than being absorbed as an agent-side denial. This is what lets an approval suite drive allow/reject round-trips deterministically from `input.json`. + +**`src/normalize.ts`** — the pure normalizers, hook-free by policy: when a future event carries a new volatile field (an approval duration, say), the shared normalizer learns it in the same change, keeping one home for what "normalized" means rather than per-suite scrub extensions. + +**`src/suite.ts`** — the `Scenario` type and `defineAcpSnapshotSuite(options)`, registering the per-scenario compares, record/refresh fixture write-back, the header pin with its live uniformity guard, and the fixture guard block (no orphan scenario dirs, required files present, exactly one pin per class, every JSONL a `scrubSystemPrompts` fixed point, non-pinning fixtures also `scrubRequestHeaders` fixed points). The pinned-header contract ([pinned-header RFC](2026-07-06-pin-request-header-content-in-one-scenario.md)) is per-suite: each header class flags exactly one `pinsHeader` scenario, whose `system-prompt.golden.md` and JSONL tool list split the composed header into reviewable artifacts; the uniformity guard compares both against every live header in that class. The pure helpers (`childFixturePaths`, `fixtureContext`, `normalizedHeaders`, `normalizedSystemPrompts`, `formatSystemPromptSnapshot`, `headerDeltaCount`) are exported from the module for direct unit coverage. + +## Alternatives considered + +- **Copy the modules into each example** — the fork this RFC exists to prevent: the record/guard logic is exactly the code that must stay byte-identical across suites, and examples are outside the coverage gate, so each copy is also unmeasured. +- **A shared module directory under `examples/`** — keeps the code outside the coverage gate and forces relative imports across example boundaries, against the package-name import convention; `examples/` leaves stay thin by design. +- **A `/testing` subpath export of `dsh-acp-agent`** — couples test infrastructure into a product package's surface and dependency set; `packages/support/` exists precisely for real-but-lower-compatibility dev/test packages, with `dsh-llm-replay` as the precedent this package completes. +- **Export raw test-body functions instead of a suite factory** — each example would re-own the `describe`/`it` skeleton (~80 lines of registration boilerplate per suite) for no flexibility gain; the factory keeps consumers to a scenario table plus one call, and the exported pure helpers preserve unit-testability inside the factory design. +- **An injectable ACP `Client` factory instead of declarative `permissionAnswers`** — maximally flexible, but it leaks SDK client construction to every consumer and reopens per-example drift in exactly the layer being unified; a declarative queue keeps `input.json` the single scripting surface and stays golden-normalizable. +- **Generalize beyond ACP (a transport-agnostic snapshot harness)** — no second transport exists; the harness is ACP-shaped end to end (SDK client, JSON-RPC frames, `session/update` waiters), and a speculative abstraction would be a seam split ahead of any consumer. + +## Testing + +Extraction parity was proven mechanically: after the move, `pnpm run test:snapshot` matched the base commit's result with zero byte changes under `examples/acp-agent/tests/snapshots/`. The package's `src/` holds per-file 100% statements/branches/functions/lines under the gating unit run, driven through the REAL spawn path by a scripted fake ACP bin (`tests/fixtures/fake-acp-agent.ts`, behavior scripted per scenario via a `behavior.json` beside the fixture): `harness.spec.ts` covers every step op, both expect-error arms, the permission queue (selection, fallback, impossible-click), env forwarding, workspace seeding, and the harvest ordering/noise/fallback branches; `suite.spec.ts` runs the factory for real at collection time — a replay suite over committed synthetic fixtures and a record suite over a temp copy (write-back never touches the committed tree; `ACP_SNAPSHOT_SPEC_BOOTSTRAP=1` re-bootstraps it) — plus direct cases for the pure helpers. Two structurally unreachable guards carry reasoned `v8 ignore` comments. The fake bin substitutes the `session/new` cwd, not `process.cwd()`, into scripted logs, matching what the real bin's header carries (darwin realpaths `/var/folders/…` to `/private/var/folders/…`). + +## Consequences + +A new example gets the whole snapshot tier from a scenario table plus fixtures — the sandbox branch merges master down and adds its own suite (own pin scenario, own overlay, fixtures via `test:snapshot:record`, approvals via `permissionAnswers`). The costs: `suite.ts` imports vitest, so the package is importable only inside a vitest run — a shape no other package has, stated in its README; each suite pins its own ~8 KB header fixture (a genuinely distinct composition deserves its own pin; an identical one would be caught by that suite's uniformity guard); and the e2e launcher duplication remains (`TODO(acp-test-harness)`) — the harness is the extraction target when that migration lands. diff --git a/docs/rfc/proposed/architecture/2026-06-16-typed-event-schemas.md b/docs/rfc/proposed/architecture/2026-06-16-typed-event-schemas.md index a48caf11d4..e1792d3ca3 100644 --- a/docs/rfc/proposed/architecture/2026-06-16-typed-event-schemas.md +++ b/docs/rfc/proposed/architecture/2026-06-16-typed-event-schemas.md @@ -2,8 +2,6 @@ Status: proposed -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - ## Problem The harness models its core vocabulary — content blocks, message sources, finish reasons, turn triggers, turn-end reasons, and session events — as **merge-extensible maps**: a TypeScript `interface` (e.g. `SessionEventMap`, `ContentBlockMap`) that plugins augment via declaration merging, with the public union derived as `Map[keyof Map]`. This is the repo's universal extension pattern, documented in [docs/architecture.md](../../../architecture.md) ("The same merge-extensible-map pattern is used for `MessageSource`, `FinishReason`, `TurnTrigger`, and `TurnEndReason`") and relied on by the `defineTool` `InferArgs` DSL and the `assertNever` exhaustiveness convention. @@ -36,7 +34,7 @@ A migration of the event/vocabulary surface to runtime schemas touches, at minim This is a HUGE change. It is not in scope for the RFC-009 session-persistence work and must not be smuggled in through it. -## Options +## Alternatives considered ### A. Status quo — merge-extensible types + `isJsonValue` at the durable boundary Keep the compile-time pattern. Persistence stays opaque-JSON + serializability guard. Plugins extend via declaration merging; correctness of event *shape* is the producer's responsibility, enforced by TypeScript at compile time and by the `dsh-invariants` plugin's structural checks in dev. @@ -56,10 +54,20 @@ Replace the merge-extensible maps with a runtime registry the producers contribu - **Pros**: real runtime validation at the durable boundary and at plugin seams; one source of truth; enables generic tooling (auto-generated docs, fuzzing, wire-format checks). - **Cons**: the full blast radius above; **Zod is not currently a direct dependency** (only a transitive dep of `@earendil-works/pi-ai`) and the repo's chosen schema lib is **schemastery** — adopting Zod broadly is itself a dependency decision; declaration-merge ergonomics (one-line plugin extension, full inference) are replaced by runtime registration + manual type wiring; the `assertNever` exhaustiveness guarantee weakens (runtime variants aren't statically exhaustive). -## Recommendation +## Proposal Defer. Do **not** change #33. If runtime validation is wanted at the durable boundary in the near term, **Option B** (schemastery on the closed header/metadata shapes) is the proportionate step and stays within the existing convention. **Option C** is a genuine architecture decision that should be evaluated on its own merits — including whether the chosen library is Zod or schemastery — and, if accepted, land as its own change with its own RFC, not as a side effect of persistence serialization. +## Acceptance criteria + +- The decision state is explicit: Option C proceeds only as its own change with its own implementation RFC — never as a side effect of a persistence PR. +- If Option B is taken up, the closed header/metadata shapes (the JSONL `isHeaderLine` guard and kin) validate through schemastery in place of hand-rolled guards, with the merge-extensible maps untouched. + +## Risks + +- The deferral leaves event `data` structurally unvalidated at the durable boundary: a malformed-but-JSON datum is caught late, by a consumer's `switch` — the status-quo cost, accepted deliberately. +- If Option C is ever adopted, the ergonomic loss is real: one-line declaration merging becomes runtime registration plus manual type wiring, and the `assertNever` static-exhaustiveness guarantee weakens. + ## Open questions - If a registry is adopted, is the library **schemastery** (already in the tree, already the config schema lib) or **Zod** (richer ecosystem, currently only transitive)? Adopting two schema libraries is a cost in itself. diff --git a/docs/rfc/proposed/architecture/2026-06-20-generic-long-running-tool-runtime.md b/docs/rfc/proposed/architecture/2026-06-20-generic-long-running-tool-runtime.md index 7f7c5ed007..f4ebe921b5 100644 --- a/docs/rfc/proposed/architecture/2026-06-20-generic-long-running-tool-runtime.md +++ b/docs/rfc/proposed/architecture/2026-06-20-generic-long-running-tool-runtime.md @@ -34,6 +34,8 @@ A consumer census of the surface the runtime would carve up. Production has two - ACP and snapshot fixtures render background bash through the shared task vocabulary, not through bash-only lifecycle semantics. - The [tool cookbook](../../../cookbook/adding-a-tool.md) points long-running tools at the shared runtime instead of telling each tool to invent its own task protocol. -## What we give up +## Risks The bash package loses local ownership of an already-working background-task implementation, and the implementing PR may temporarily churn model-facing tool names or transcript presentation. That churn is worthwhile if it leaves one background-task contract instead of making every future long-running tool clone bash's private protocol. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md b/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md deleted file mode 100644 index 36396e233d..0000000000 --- a/docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md +++ /dev/null @@ -1,74 +0,0 @@ -# RFC: Agent Client Protocol (ACP) support — drive the coding agent from external editors - -Status: proposed - -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> -> **Implementation status (MVP landed):** steps 1, 2, 3, 4, 6, 7, 8 are implemented in `packages/ui/acp` + `examples/acp-agent`. **Step 5 (the `session/request_permission` permission gate) is deferred** — the bridge ships a pass-through (tools run with the executor's full authority) marked `TODO(rfc010-permission-gate)`, and lays down only the `WeakMap<Agent, sessionId>` ownership seam the gate will build on. Status stays `proposed` until the gate lands. `session/cancel` is the queue-aware `agent.cancel()`: it aborts a running step, clears queued + steering work, and drops a turn that is about to start, so a queued-but-not-yet-started prompt never runs and a later prompt cannot be batched into the cancelled turn. **Per-session `cwd` is now honored** (lifting the original "launch the server in the workspace root" restriction — see § Deferred): `session/new` accepts any absolute `cwd`, and `session/load` requires the request `cwd` to match the persisted session `cwd` so the editor and bash executor agree on the workspace. - -## Problem - -The coding agent is reachable only through the readline `stdio-chat` plugin: it reads lines from stdin, calls `agent.send()`, and prints the assistant token stream (`session/event` `assistant/chunk`) to stdout. There is no structured protocol, so the agent cannot be embedded in an editor — no streaming render, no tool-call display, no permission UI, no resumable sessions. - -Editors are converging on the Agent Client Protocol (ACP), which Zed and others speak: JSON-RPC 2.0 over newline-delimited stdio, modeled on the Language Server Protocol. An editor boots the agent as a subprocess and exchanges `initialize` / `session/new` / `session/prompt`, rendering streamed `session/update` notifications and `session/request_permission` prompts. The goal is for the agent to be a drop-in ACP server — implement the protocol once and run in any ACP client, with no per-editor glue. - -This RFC has a hard prerequisite on [session persistence](../../implemented/architecture/2026-06-14-session-persistence.md): it assumes durable session persistence (the `SessionPersistence` service and the async `AgentLoop.resume` seam) is implemented, so resuming a session via `session/load` is in scope. None of those APIs exist yet — `AgentLoop` currently exposes only the synchronous `create` — so ACP must land after, or in the same change as, [session persistence](../../implemented/architecture/2026-06-14-session-persistence.md), and pins to its `resume(agentId, resumeSessionId)` contract. Session persistence persists every `SessionEvent` verbatim (including `assistant/chunk`), so a loaded session has the stream chunks needed to replay turns to the client. - -## Proposal - -A new plugin package `@deepseek-ai/dsh-acp` — a client-driver / UI plugin, the structured analogue of `stdio-chat`. It is NOT a change to the loop and NOT an [capability seams](../../implemented/architecture/2026-06-13-capability-seams.md) interface/implementation/consumer capability split; it consumes the existing `agent/*` event taxonomy and the `tools/pre-execute`/`tools/post-execute` waterfalls. - -It depends on the official `@agentclientprotocol/sdk` (the `AgentSideConnection` class) — Apache-2.0, actively versioned. The SDK declares a `zod` peer dependency and imports `zod/v4` at runtime, so `packages/ui/acp` must declare `zod` itself (per the workspace dependency constraints). This is the renamed successor to `@zed-industries/agent-client-protocol`, which is now deprecated on npm. - -The mapping between ACP and existing harness seams — each row names the seam and any required extension: - -| ACP (client ⇄ agent) | Harness seam | Notes | -|---|---|---| -| `initialize` | static handler | negotiate `protocolVersion` (echo the supported version, else error); advertise text-only `promptCapabilities` and `loadSession: true`; report agent name/version | -| `session/new {cwd, mcpServers, additionalDirectories}` → `{sessionId}` | the `dsh-agent` create factory (see Dependency note + Plan) | the seam must accept `{ sessionId, meta }` so the ACP-generated `sessionId` becomes the live/persisted session id and the validated `cwd` is attached as the `SessionHeader` (today `AgentLoop.create(id)` hardcodes `${id}-session` and takes no metadata); reject a 2nd session (single-session MVP, see [ACP multi-session](2026-06-14-acp-multi-session.md)); `cwd` validated (require absolute) — any absolute cwd is honored: it becomes the session's `SessionHeader.cwd` and the default bash workdir (per-session cwd, see § Deferred → RESOLVED), so the server need not launch in the workspace; non-empty `mcpServers` and `additionalDirectories` are rejected for the MVP because silently ignoring requested servers/roots would desync the client's tool and filesystem-scope UI | -| `session/load {sessionId, cwd, mcpServers, additionalDirectories}` | the `dsh-agent` resume factory ([session persistence](../../implemented/architecture/2026-06-14-session-persistence.md) + Dependency note) | load `{ meta, events }`, seed the session, re-derive history via `deriveMessages()`, replay prior turns to the client as `session/update` per the ACP load contract; `mcpServers` and `additionalDirectories` rejected as in `session/new` | -| `session/prompt {prompt}` | `agent.send()` (idle) | text blocks → `TextBlock`; reject image/audio per advertised capabilities; one in-flight prompt per session | -| resolve `session/prompt` → `{stopReason}` | the `turn/end` `session/event` (its `reason`) | map the harness kebab `TurnEndReason` to the ACP snake_case `StopReason` wire enum: `completed`→`end_turn`, `max-tokens`→`max_tokens`, `aborted`(cancel)→`cancelled`, plus `refusal`/`max_turn_requests` when applicable; honor the batch-into-one-turn and send-not-synchronously-running settle semantics | -| `session/update: agent_message_chunk` | `session/event` `assistant/chunk` `text-delta` only | do NOT also emit on `block-end(TextBlock)` — it carries the fully-assembled block and would duplicate the streamed text | -| `session/update: agent_thought_chunk` | `session/event` `assistant/chunk` `reasoning-delta` | | -| `session/update: tool_call` (pending→in_progress) | `session/event` `tool/call` | demux via a Session→sessionId map; `kind` inferred from the tool name | -| `session/update: tool_call_update` (completed/failed) | `session/event` `tool/result` | a throwing `tools/execute` yields NO `tool/result` → fail the pending tool UI from `agent/error`/turn-end | -| `session/request_permission {sessionId, toolCall, options}` | prepended `tools/execute` listener | no-op unless `exec.agent` is ACP-owned; await the outcome; `selected/allow_*` → `next()`; `reject_*`/`cancelled` → veto `ToolExecutionResult{isError}` | -| `session/cancel` (notification) | `agent.cancel(reason)` | the queue-aware cancel (abort running step, clear queued + steering, drop an about-to-start turn); settle the in-flight prompt as `cancelled`; resolve any pending permission as `cancelled` exactly once | - -The permission gate is the first real consumer of the `tools/execute` veto seam (the documented "single veto/sandbox/permission seam" plus the deferred "Permission system" TODO in [docs/architecture.md](../../../architecture.md)). It is a single global listener registered with `prepend: true` so it runs before any other tool wrapper. `ToolExecution.agent` is optional and the `Agent` interface carries no origin marker, so the bridge tracks ownership itself: it records each agent it creates in a `WeakMap<Agent, sessionId>` and the gate no-ops (calls `next()` immediately) for any `exec.agent` it does not own — non-ACP agents and the no-agent case pass straight through. For an owned agent it resolves the session, issues `session/request_permission`, and stores the pending resolver on that session's record so the outcome — or a `session/cancel`/connection-close — settles it exactly once. - -Lifecycle and disposal: the connection, listeners, and in-flight permission promises register via `ctx.effect`/`ctx.on`; teardown is async and must *reach* quiescence, not just request it — close the connection, settle/reject pending permissions, and dispose each owned agent through its `AgentHandle.dispose()` (which stops the loop, `await`s its exit, and unregisters). Owner teardown goes through that handle seam, not the loop's concrete `agent.done` (which exists only on `ReactLoopAgent`); a non-owner that merely wants to *observe* the current work settling without tearing the agent down awaits the interface-level `agent.whenIdle()`. Every listener contains its `send()` exceptions (log, never reject the turn) because stream chunks are emitted inside the model step, so a throwing listener would corrupt the turn. - -**Dependency note (architecture rule).** [docs/architecture.md](../../../architecture.md) states "plugins depend on interface packages, never on `dsh-agent-loop`." Creating and resuming agents is currently only on the concrete `AgentLoop` (`ctx.agentLoop`), so this RFC proposes adding an **abstract create/resume factory** to the `dsh-agent` interface (registry-level `create({ sessionId, meta })` / `resume(...)`), implemented by the loop, so `dsh-acp` injects only `agents` (the interface) and the dependency rule holds. The alternative — injecting the concrete `agentLoop` and recording a documented exception in the architecture doc — is explicitly the non-preferred fallback. - -## Plan - -1. Package scaffold `packages/ui/acp/` per [the cookbook](../../../cookbook/adding-a-package.md); add `@agentclientprotocol/sdk` and `zod`. Add the abstract create/resume factory to `dsh-agent` (the interface) so the bridge can `inject: ['agents', 'sessions', 'tools', 'sessionPersistence']` without depending on the concrete loop; `sessionPersistence` is required because `session/load` advertises `loadSession: true`. (Fallback only if the factory is judged not worth it: inject `agentLoop` directly and record the architecture-rule exception in `docs/architecture.md`.) -2. Connection plus `initialize`/`session/new`: wire `AgentSideConnection` to stdin/stdout; protocolVersion negotiation; the single-session guard; create the live session through the new `{ sessionId, meta }` factory seam (so the ACP `sessionId` and validated `cwd` become the session's id and header); the `sessionId↔agent` and `Session↔sessionId` maps. -3. Internal edit — turn-end reason fidelity (sanctioned: edit internals to fit ACP). Extend `TurnEndReasonMap` in the proper places: (a) declaration-merge a `max-tokens` variant in the owning package (`packages/core/session/src/types.ts`, alongside `completed|aborted|error|disposed`) — add `max-tokens` because `FinishReasonMap` produces it (DeepSeek maps `length` → `max-tokens`); do not add `refusal`, since no current adapter produces it (unknown DeepSeek finish reasons collapse to `error`), but leave a comment in `TurnEndReasonMap` noting `refusal` should be added when an adapter first emits it (`FinishReasonMap` is merge-extensible); (b) make `agent-loop`'s `loop.ts` populate the reason from the model `finish` chunk — `assembler.finish` lives inside `runStep`, so `runStep` must return it up to `runTurn`, and the rule is "the last step's finish reason wins, but any `max-tokens` in the turn surfaces as `max-tokens`"; (c) no consumer exhaustively switches over `TurnEndReason` today (the invariants plugin switches on `SessionEventType`, and `deriveMessages` ignores `turn/end`), so adding `max-tokens` is a non-breaking extension — but recheck before landing; (d) update [docs/architecture.md](../../../architecture.md) (the CI-verified loop-lifecycle/event-taxonomy doc) and the affected package READMEs/JSDoc (`dsh-session`, `dsh-agent`, `dsh-agent-loop`) per the repo doc-sync policy. This replaces a fragile "observe the finish chunk in the bridge" hack with a real, documented contract. -4. Prompt-turn streaming plus load: translate `session/event` (the `assistant/chunk` token stream plus boundaries and tool activity) into `session/update`; resolve `session/prompt` on settle, mapping the harness `TurnEndReason` to the ACP `StopReason` wire enum (`completed`→`end_turn`, `max-tokens`→`max_tokens`, `aborted`→`cancelled`) — a small total function with a test asserting the exact wire strings, since the SDK rejects an unknown `stopReason`. Concrete correlation, since the loop batches queued messages into one turn and `send()` does not synchronously flip to running: install the `session/event` listener before `send()`; capture the prompt's owning turn from its `turn/start` record, then resolve on that turn's `turn/end` (with `agent/status` idle/disposed as a fallback); reject an empty/whitespace prompt up front rather than calling `send()` (no turn would ever start, so the RPC would hang). Implement `session/load` on the session-persistence resume seam. -5. Permission gate: a single `tools/execute` listener registered with `prepend: true`, owning a `WeakMap<Agent, sessionId>` of bridge-created agents; no-op (`next()`) for unowned/no-agent calls; for owned calls → `session/request_permission` → allow (`next()`) / veto; settle the stored resolver exactly once on outcome, cancel, or connection close. -6. Example wiring (extract a shared base). `@cordisjs/plugin-include` is itself a plugin entry that resets `ctx.baseUrl` and loads a path, so a child `cordis.yml` can nest-include a shared base; the extraction is safe because every dependent plugin declares `inject` (loader groups initialize via `Promise.all`, so YAML order is NOT the dependency mechanism — never rely on it). Extract the provider/tool core (`llm, sessions, system-prompt, tools, agents, invariants, llm-deepseek, bash-local, tool-bash`) into `examples/base.yml`; have both `coding-agent` and a new `examples/acp-agent/` include it and add their own UI plugin plus logger. Keep `agent-loop` per-example (NOT in the base): `AgentLoop` creates its configured agents in its constructor, and the two examples disagree — `coding-agent` needs a pre-created `main` (its `stdio-chat` calls `ctx.agents.get('main')`), while `acp-agent` must pre-create none (ACP `session/new` creates agents). So `coding-agent` declares `agent-loop` with `agents: [{ id: main, … }]` and `acp-agent` with `agents: []`. `acp-agent` loads `dsh-session-persistence-jsonl` (from [session persistence](../../implemented/architecture/2026-06-14-session-persistence.md) — required for `session/load`), omits the stdout logger (see Risks), and adds `pnpm run demo:acp` plus the Zed `agent_servers` snippet. -7. Tests (the repo cares a lot here): a property-based test for the protocol shape (precedent: [property-based testing](../../implemented/testing/2026-06-11-property-based-testing.md)) — fuzz arbitrary harness event sequences and assert ACP-stream invariants (never a `tool_call_update` before its `tool_call`; exactly one `session/prompt` resolution per prompt; monotonic, well-formed ordering; `stopReason` in the legal set); codec unit tests over an in-memory `Duplex` pair (drive `AgentSideConnection` without a subprocess; assert exact frames for `initialize`, `session/new`, a full prompt turn); the mandatory HMR-safety test (dispose the fiber; assert the connection closed, all `ctx.on` listeners gone, any in-flight `request_permission` settled); failure-path tests (connection closes mid-stream; closes with a permission pending; a notification `send()` rejects but the turn survives; `finish{kind:'error'|'aborted'}`; a `tools/execute` throw with no `tool/result`; a second `session/new` rejected; a `session/prompt` while one is in flight; an empty prompt rejected without hanging; a `session/load` re-derives identical history and replays it); and an e2e (`*.e2e.ts`, self-skips without `DEEPSEEK_API_KEY`) that boots `examples/acp-agent`, connects a `ClientSideConnection`, sends a real prompt, owns and disposes the harness in `afterEach`, and verifies the world (files on disk), not the agent's self-report. -8. Docs: module/JSDoc plus a package README; extend [the extension cookbook](../../../cookbook/extension-cookbook.md) with the client-driver pattern. Flip Status to `implemented` on landing; record a decision in this RFC only if it proves durable, contested, and surprising (candidates: the `tools/execute` permission-ownership rule, the npm-dependency choice) — not auto-required. - -Deferred (each names its owning future work): - -- Multiplexing concurrent sessions → [ACP multi-session](2026-06-14-acp-multi-session.md). -- ~~`cwd` honoring.~~ **RESOLVED.** Originally there was no path from `session/new.cwd` to the bash workdir (`tool-bash` forwarded only an explicit `args.workdir`; `LocalBashExecutor.resolve` defaulted to its own config or `process.cwd()`), so the MVP validated `cwd` (require absolute) AND required the server to launch in the workspace root, erroring on a mismatch. This is now lifted: the validated `cwd` is stored as `SessionHeader.cwd`, and `dsh-tool-bash` defaults the bash workdir to the calling agent's `session.header.cwd` (an explicit model `workdir` still wins; a relative one resolves against it). Any absolute `cwd` is honored — the server need not launch in the workspace, and N sessions can each target a different directory. Widening scope beyond the single cwd (`additionalDirectories`) remains deferred. -- Client `terminal/*` proxying (a live editor terminal) and `fs/*` (editor-rendered diffs) — a future `BashExecutor` over the [capability seams](../../implemented/architecture/2026-06-13-capability-seams.md) bash seam, gated on `clientCapabilities.terminal`. -- Image/audio prompts (blocked on the DeepSeek adapter, which skips `image` blocks today), modes, auth, `available_commands`/slash-commands, `plan`, and `usage_update`. - -## Risks - -stdout is the protocol — guaranteed by config, not by monkey-patching. The console logger writes through `console.log` to stdout, so any stdout UI/logger plugin corrupts JSON-RPC. The guarantee is config-only: the `acp-agent` example loads no stdout plugin (no console logger, no `stdio-chat`) and, if logging is wanted, uses a stderr exporter. A defensive process-wide `process.stdout.write`/`console.log` hijack inside `dsh-acp` is explicitly rejected — it lives outside Cordis' effect-scoped, HMR-friendly plugin model, races the connection's own stdout handoff, and fights the logger. A test asserts the example emits only framed JSON-RPC on stdout. - -New third-party runtime dependency plus protocol drift: `@agentclientprotocol/sdk` is young (0.25.x, recently renamed) and evolving. Pin the version and isolate churn to the one bridge package. This is not a vendoring-policy violation — [vendoring Cordis as source](../../implemented/process/2026-06-11-vendor-cordis-as-source.md) vendors the framework; genuine third-party deps already live on npm (`@earendil-works/pi-ai`). - -Turn-settle and prompt-correlation hazards: honor "queued messages batch into one turn" and "`send()` does not synchronously flip to running" (see `stdio-chat.ts` and the defensive-patterns section of [docs/architecture.md](../../../architecture.md)); gate resolution on an observed running→idle transition and handle the empty-prompt / no-work branch so an RPC can't hang. - -Permission-await and disposal hangs: a pending `request_permission` whose connection closes or whose turn aborts must settle exactly once; disposal must reach quiescence — tear each owned agent down through `AgentHandle.dispose()` (which stops the loop and awaits its exit), rather than orphaning awaits on a closed pipe. - -The 100% per-file coverage gate (repo policy) makes a branch-heavy protocol bridge real work. Accepted deliberately, surfaced so it isn't a surprise at PR time. - -ACP protocol-shape details (exact method names, `session/update` variants, permission option kinds, stop reasons) are taken from the ACP spec and the `@agentclientprotocol/sdk` types; they are not independently verifiable until the dependency is added, so the implementation pins the SDK version and conforms to its types rather than to this RFC's prose where they differ. diff --git a/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md b/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md deleted file mode 100644 index ed51a2ded8..0000000000 --- a/docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md +++ /dev/null @@ -1,39 +0,0 @@ -# RFC: Multiplex concurrent ACP sessions over one connection - -Status: proposed - -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> -> **Implementation status:** the multi-session bridge (steps 1, 3, 4) and the bash task-ownership isolation are implemented in `packages/ui/acp` + `packages/bash/tool-bash`. **Per-session *permission* ownership is deferred** — it depends on [the ACP support permission gate](2026-06-14-acp-agent-client-protocol.md) (`TODO(rfc010-permission-gate)`), which is itself deferred; the `agent→sessionId` reverse map the gate will route through is in place. Step 2's per-session disposer scope is now implemented (see [agent lifecycle & ownership seams](../../implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md)): the factory returns a per-agent `AgentHandle` whose `dispose()` stops the loop, awaits quiescence, unregisters the agent, and removes its session, so a bare client disconnect leaves no registered agent or session-store entry. Status stays `proposed` until per-session permission ownership lands. - -> **Target-client note:** Zed is the current target ACP client, and its ACP client maintains a `HashMap<SessionId, AcpSession>` plus `pending_sessions` for concurrent `session/load` calls. The competing simplification to return to one live session per connection was rejected after checking that target-client shape; this RFC remains the path for finishing multiplexing and per-session permission ownership. See [the rejected simplification](../../rejected/simplification/2026-06-20-single-session-acp-bridge.md). - -## Problem - -[ACP support](2026-06-14-acp-agent-client-protocol.md) ships with a single active session per connection: a second `session/new` is rejected. Editors expect to run several conversations over one agent subprocess — a user opens multiple threads, or a client pre-warms sessions. The single-session guard is a deliberate MVP scope cut, not an architectural limit; this RFC lifts it. - -This paragraph is historical: the multi-session bridge has landed. The remaining proposed work is per-session permission ownership plus the lifecycle seams now tracked in [agent lifecycle and ownership seams](../../implemented/architecture/2026-06-18-agent-lifecycle-and-ownership-seams.md). - -## Proposal - -The harness core already supports many agents (`AgentRegistry.list()` and `AgentLoop.create` impose no count limit), so multiplexing is a bridge-layer change in `@deepseek-ai/dsh-acp`, not a loop or core change. - -- Lift the single-session guard in `session/new`; allow N live sessions, each mapped to its own `ReactLoopAgent`. -- The bridge's `sessionId→agent` and `Session→sessionId` maps (introduced single-entry by [the ACP support RFC](2026-06-14-acp-agent-client-protocol.md)) become true multi-entry, plus a third `agent→sessionId` reverse map: the `tools/execute` permission gate receives only `exec.agent` (no sessionId), so it needs an O(1) reverse lookup to find the owning session. Every `agent/*` event and every `session/event` is demuxed strictly by id, so two sessions streaming at once never interleave their `session/update` notifications. -- Per-session prompt queues: [the ACP support RFC](2026-06-14-acp-agent-client-protocol.md)'s single-entry in-flight-prompt state becomes multi-entry — one in-flight prompt *per session*, tracked per `sessionId`. -- Per-session cancel routing: `session/cancel` cancels only its own session's agent (via the queue-aware `agent.cancel()`) and settles only that session's in-flight prompt. The cancel is scoped to that one agent — a per-agent `AbortController` for the running step plus the agent's own queued/steering FIFOs — so it never touches another session's stream or pending prompt. -- Per-session permission ownership: a `session/request_permission` and its outcome are bound to the originating session via the reverse map, so a permission prompt or a cancel in one session can never resolve another session's pending permission. - -## Plan - -1. Generalize the two id maps to multi-entry and add the `agent→sessionId` reverse map; add a per-session record holding the agent, the in-flight-prompt state, the pending-permission registry, and the session's disposer scope (see step 2). -2. Give each session a real per-session disposer scope, NOT `ctx.extend()` — in Cordis `ctx.extend()` only creates a child context/prototype, but `ctx.on()` registered on it is still owned by the current plugin fiber, so disposing it would not remove that session's listeners. Use a genuine child fiber (load a per-session sub-plugin, e.g. `ctx.plugin(...)` returning a fork, or collect each session's `ctx.on` disposers in its session record and call them on teardown). Demux every `agent/*` and `session/event` by id into the right session record. Note the single global `tools/execute` listener stays on the bridge root (it must see all agents) and routes via the reverse map. -3. Lift the `session/new` guard; keep `session/load` ([from ACP support](2026-06-14-acp-agent-client-protocol.md)) working per session. -4. Tests for cross-session isolation: two sessions streaming and permission-prompting concurrently never interleave; a cancel/abort in one session leaves the other's stream and pending permission untouched; per-session in-flight-prompt enforcement holds independently; disposing one session leaves the others running. - -## Risks - -Listener fan-out cost: each session adds listeners; ensure disposal of one session removes exactly its own and the connection teardown ([from ACP support](2026-06-14-acp-agent-client-protocol.md)) still reaches quiescence across all sessions. - -The subtle correctness trap is cross-session leakage — a cancel or abort on one session settling another session's pending permission. The per-session permission ownership rule (routed via the `agent→sessionId` reverse map) and its isolation test are the guard. - -Shared background-task state: the bash executor's task ids are global and predictable (`bash-1`, `bash-2`, …), and `bash_output`/`bash_kill` look up by id without checking the caller. Under one session this is benign; under N sessions one session's agent could read or kill another's background task. This is a pre-existing `tool-bash` gap that multi-session turns into a real isolation hole — fixing it (validate the caller against the task owner) belongs with this RFC or a companion `tool-bash` change. diff --git a/docs/rfc/proposed/feature/2026-06-15-optional-code-mode.md b/docs/rfc/proposed/feature/2026-06-15-optional-code-mode.md deleted file mode 100644 index f5da38c14c..0000000000 --- a/docs/rfc/proposed/feature/2026-06-15-optional-code-mode.md +++ /dev/null @@ -1,111 +0,0 @@ -# RFC: Optional Code Mode — model writes TypeScript against an SDK of all tools - -Status: proposed - -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Problem - -Today the agent loop advertises every registered tool to the model as a native JSON-schema function definition. `ToolRegistry` feeds its schemas into `ctx.systemPrompt`, the loop puts them on `GenerateOptions.tools`, and the adapter serializes them to the provider's function-calling wire format. The model then invokes one `tool-call` block per step, the loop dispatches each call through `ctx.tools.execute()` **sequentially** (parallel tool execution is an explicit open TODO in `dsh-tools` and [docs/architecture.md](../../../architecture.md)), and **every** intermediate `tool-result` re-enters the model's context on the next request. - -For multi-step tool work this is token-heavy and serial. The model cannot compose tools — loop over a result set, branch on an intermediate value, fan out, post-process — without a full model round-trip per call, and each of those round-trips drags the entire intermediate result back into context whether the model needs it or not. - -Cloudflare's [Code Mode](https://blog.cloudflare.com/code-mode/) (shipped as the `@cloudflare/codemode` npm package) proposes an alternative grounded in a simple observation: LLMs are better at writing code than at emitting tool calls, because they have seen millions of lines of real code and comparatively few contrived tool-calling traces. Instead of one tool call per step, the model writes a TypeScript program against a generated SDK that wraps all the tools, and that program is executed. The model curates what comes back — only what it `console.log`s and/or returns — instead of every intermediate result. The SDK functions are async, so the model can *express* fan-out (`Promise.all`) naturally in code; this RFC initially **serializes** those dispatches (§ Concurrency) until the tool contract grows concurrency-safety metadata, so the early win is composition and fewer round-trips, not parallelism. - -This RFC proposes an **optional** Code Mode for the DeepSeek Harness, covering **all** tools uniformly — built-in and future MCP — with no per-tool work, implemented Cordis-style with **zero core-package changes**. It fully specifies the code-execution seam and the SDK-generation pipeline, but ships only a minimal `node:vm` reference stub for execution; the hardened, sandboxed execution substrate is **deferred to a follow-up RFC** (see Risks). This RFC does not change the agent loop, and it leaves native tool-calling exactly as it is — Code Mode is a plugin you load, not a replacement. - -## Proposal - -The design follows the codebase's capability-seam pattern ([capability seams](../../implemented/architecture/2026-06-13-capability-seams.md), the `bash` template) as a three-package split, plus one consumer plugin. Nothing in `dsh-session`, `dsh-agent`, `dsh-agent-loop`, `dsh-llm`, `dsh-tools`, or `dsh-system-prompt` changes. - -**Prior art.** `@cloudflare/codemode` validates this shape directly and several of its decisions are adopted below. Its `Executor` interface is deliberately tiny — `execute(code, fns) → { result, error?, logs? }` — with a production `DynamicWorkerExecutor` (isolated Workers) and a six-line `NodeVMExecutor` example as two implementations behind it: exactly the interface/implementation split [the capability-seam pattern](../../implemented/architecture/2026-06-13-capability-seams.md) prescribes. It generates TypeScript type definitions from tools for the model's context and runs the generated JavaScript in a sandbox, capturing console output alongside the return value. It normalizes model output into an async arrow function via AST parsing (acorn) and sanitizes tool names into valid JS identifiers (`my-tool` → `my_tool`, `delete` → `delete_`). It blocks outbound network by default. The transferable lessons — minimal executor contract, host-side type derivation, capture-output-and-return-value, name sanitization, AST-normalize the code, isolate by default — are folded into the design below. What does **not** transfer is the substrate: Cloudflare's isolation is Workers-specific; our equivalent hardened substrate is the deferred follow-up. - -**Prompt-budget tradeoff (Code Mode is not unconditionally cheaper).** Deriving the SDK types host-side costs no extra *discovery* round-trip, but the generated `.d.ts` is injected into the system prompt (§3a), so the type definitions themselves **do** consume context — and for an all-tools SDK that cost scales with every registered tool and can be comparable to, or larger than, the native JSON schemas it replaces. Code Mode's saving is on the **output/result** side (the model curates what comes back; intermediate results never re-enter context) and on **round-trips** (compose many calls in one program), not on the input-side tool description. The net win is workload-dependent: it pays off for multi-call, large-intermediate-result workflows and can cost *more* for a single call against a large tool surface. The `.d.ts` section is a prefix-stable prompt prefix, so prompt caching amortizes its per-turn cost across a session; the RFC notes that caching is what keeps the injected SDK affordable, and that a deployment with a very large tool surface should weigh the SDK size against native schemas rather than assume Code Mode is strictly cheaper. - -**1. Interface package `packages/code-runtime/`** — a new package `@deepseek-ai/dsh-code-runtime` owning `ctx.codeRuntime`, depending only on `cordis`. It defines an abstract `CodeRuntime extends Service` plus the execution vocabulary. The runtime knows **nothing** about `ctx.tools`: it is handed a set of named async functions (the resolved SDK bindings), runs the program, and captures output. The result shape mirrors Cloudflare's proven-minimal contract so an error is a *field on a resolved result*, not a throw the runtime is expected to make: - -- `CodeRunRequest = { code: string; sdk: SdkBinding[]; signal?: AbortSignal }` -- `CodeRunResult = { result: unknown; logs: string[]; error?: string }` -- a readonly `safe: boolean` on the `CodeRuntime` service — `false` for an unsandboxed stub, `true` only for a real isolating substrate; consumers gate on it (§2). -- `SdkBinding = { namespace: string; fns: Record<string, (args: unknown) => Promise<unknown>> }` - -Per the "explicit > implicit at seams" convention, the request spells out every field the runtime acts on; defaulting (e.g. an output cap, a timeout derived from `signal`) is the implementation's explicit job, not a hidden `?? default` inside `run()`. The split into interface + implementation is justified under [the capability-seam pattern](../../implemented/architecture/2026-06-13-capability-seams.md) because there is **genuinely more than one planned implementation** — the node:vm stub *and* the hardened substrate (a real isolate, or the generated program run as a sandboxed process through the existing `ctx.bash` seam) that is scheduled follow-up work, not speculative optionality. The capability-seam pattern warns against splitting preemptively when only one implementation is conceivable; here a second is not just conceivable but required before any untrusted use, so the seam earns its keep. - -**Backends can differ by language/runtime, not only by trust level.** The two implementations above (unsafe stub vs. hardened substrate) differ along the *trust* axis while staying TypeScript/JS, but nothing in the `CodeRuntime` contract — a program string plus a set of named async SDK bindings in, and a `{ result, logs, error? }` out — is bound to one source language. The same seam can host backends that differ along the *language* axis, executing a program written in something other than TypeScript. Two illustrative directions: - -- **An AssemblyScript backend.** AssemblyScript is a strict TypeScript subset that compiles to WebAssembly, so a program stays familiar to a TS-fluent model while the WASM boundary supplies exactly the sandboxing the hardened substrate is meant to provide — memory isolation and no ambient host authority come from the runtime rather than from after-the-fact hardening of `node:vm`. This is an appealing route to a `safe = true` backend. -- **A Python backend.** Python is arguably the model's most native language — it has seen far more real Python than any tool-calling trace — which is the same "LLMs write better code than tool calls" argument that motivates Code Mode, taken one step further. A Python backend is itself a sub-seam over different Python *runtimes*: **CPython** (in-process or a sandboxed subprocess via `ctx.bash`) for maximum fidelity and ecosystem access, or a more controllable / embeddable interpreter — Pyodide (CPython on WASM), RustPython, or a restricted embedded interpreter — when isolation, deterministic resource limits, or a clean capability boundary matter more than running arbitrary native extensions. - -These are illustrations of the seam's reach, **not commitments** — the MVP ships only the TypeScript path. The honest caveat is that the *execution* contract is language-agnostic but the *presentation* is not: the SDK-generation pipeline below (§3a and the `jsonSchemaToTs` codegen, which emits a TypeScript `.d.ts`) is TypeScript-specific, so a non-TS backend pairs the shared `CodeRuntime` contract with its own language-appropriate SDK generator and system-prompt section (a `.pyi` stub and Python usage instructions for the Python backend, AssemblyScript-flavored types for that one). The runtime seam is reused as-is; only the codegen/prompt half is per-language. - -**2. Implementation package `packages/code-runtime-vm/`** — a new package `@deepseek-ai/dsh-code-runtime-vm`, the `node:vm` reference stub. It type-erases the model's TypeScript via the compiler's `transpileModule` (or sucrase) — the types exist only to guide the model; the runtime is plain JS — then wraps the body in an async IIFE for top-level `await` (Cloudflare's `NodeVMExecutor` does literally `new AsyncFunction("codemode", "return await (${code})()")`), runs it in a `vm.Context` whose globals are a capturing `console` and the SDK namespace objects, awaits the IIFE, and captures the return value, the buffered logs, and any thrown error (as `error: string`). It applies an **output cap** (truncate captured logs) and a **timeout tied to `request.signal`**. These caps limit blast radius; **they are not a security boundary**. node:vm is **not** isolation: withholding `require`/`process` does not contain anything (code escapes via `constructor`/prototype reflection), and per [AGENTS.md](../../../../AGENTS.md) the harness must never hand model output the ambient environment. - -**The unsafe-runtime guard is enforceable, not a README warning.** Because a README caveat is not a control — and AGENTS.md's "never hand model output ambient authority" is a hard rule, not advice — the design makes the danger refuse to run by construction. Two layers: - -- **The runtime declares its trust level.** `CodeRuntime` carries a readonly `safe: boolean` (a `node:vm`-class stub returns `safe = false`; a real isolate/sandboxed-process substrate returns `safe = true`). The `code-runtime-vm` constructor *additionally* requires an explicit opt-in — `new VmCodeRuntime({ unsafe: true })` — and **throws** if that flag is absent, so merely depending on the package and wiring it cannot silently produce a live unsafe runtime; the operator must type the word `unsafe`. -- **The consumer refuses to expose `run_code` over an unsafe runtime by default.** When `code-mode` initializes, if `ctx.codeRuntime.safe === false` it does **not** register `run_code` unless the plugin itself is configured with an explicit acknowledgement (e.g. `code-mode` config `allowUnsafeRuntime: true`). Absent that, it logs a typed error and registers nothing — so a real model never reaches an unsandboxed runtime by a single config slip. The refusal path is tested: with the acknowledgement unset and an unsafe runtime, `run_code` is absent (and the wire tool list is unchanged from native); with both opt-ins set, it registers and runs. This keeps the unsafe reference backend usable for tests and trusted local demos while making production misuse take two deliberate, greppable flags rather than one mistake. - -`code-runtime-vm` is therefore documented as **reference / test-only / unsafe-for-untrusted-input**, acceptable in the MVP only because the code runs at harness trust *and* both opt-in flags must be set. Signal handling is best-effort: it aborts in-flight sub-dispatches but cannot reliably interrupt a hot synchronous loop (`while(true){}`) in node:vm — another reason the hardened substrate is deferred, not optional-forever. - -**3. Consumer plugin `packages/code-mode/`** — a new package `@deepseek-ai/dsh-code-mode`, the plugin that wires everything together. It declares `inject = ['tools', 'systemPrompt', 'codeRuntime']` — Cordis throws on access to a service that is not injected, and keeps the plugin inactive until all three exist (the same pattern as `tool-bash`'s `inject = ['tools', 'bash']`), which also gives correct load-ordering relative to `code-runtime`/`code-runtime-vm`. The plugin contributes four things, all through existing seams: - -**3a. Tool presentation — a lazy system-prompt section (the injection seam already exists).** `dsh-system-prompt` already provides the Cordis-idiomatic way for any plugin to inject prompt snippets: `ctx.systemPrompt.section({ name, order, text })`, fiber-scoped and auto-disposed via `ctx.effect()`, where `text` may be a lazy `() => string` re-evaluated at each assembly. No new mechanism is needed or invented. Code Mode registers a lazy section (high `order` so it lands last) whose thunk reads `ctx.tools.schemas()` at assembly time and regenerates the SDK `.d.ts` plus usage instructions from the currently-registered tool set. Because the thunk reads the live registry, coverage of every tool — built-in, MCP, future — is automatic. - -**3b. Wire tool-list enforcement — an `agent/request` listener (the authoritative seam).** The goal "exactly one tool reaches the wire" must be enforced where the wire request is finalized. The loop calls `ctx.systemPrompt.assemble()` first, *then* builds `GenerateOptions` (seeding `tools` from `assembly.tools`), *then* runs the `agent/request` waterfall, *then* calls `ctx.llm.stream()`. A `system-prompt/assemble` listener can only influence the *seed*; `agent/request` is the last seam before the model call, so it is authoritative. The plugin registers an `agent/request` listener that does `const final = await next(); return { ...final, tools: [runCodeSchema] }` — overriding the value *returned by* `next()`, not the inbound argument, so it dominates the cooperative request listeners it wraps. It registers with `prepend: true` to sit at the outer edge of the waterfall chain. One honest caveat, stated in the RFC body: `ctx.llm.stream()` itself runs a further `llm/stream` waterfall before the adapter, so the guarantee is "authoritative within the agent request pipeline," not an absolute wire invariant; if a hard invariant is ever required, a defensive `llm/stream` assertion with a spy adapter covers it in tests. - -**3c. The single tool — `run_code`.** Registered normally in `ctx.tools` with one parameter `{ code: string (required) }`. Because it is an ordinary tool, the unchanged loop dispatches it through the normal path — this is the crux of "zero loop changes." Its `execute(args, exec)`: - -1. Builds the SDK bindings. For each real tool, an async `invoke(callArgs)` that **checks `exec.signal?.aborted` (throwing if set) before and after** calling `ctx.tools.execute({ callId: <deterministic sub-id>, name, arguments: callArgs, agent: exec.agent, signal: exec.signal })`, then maps the resulting `ContentBlock[]` to a simplified `{ output, isError }` (text blocks for the MVP), and emits an observability event. The explicit abort check matters because `ctx.tools.execute()` *catches* thrown tool errors and converts them to `isError` results — without the check, an aborted sub-call would look like ordinary error data and the program would keep running instead of stopping. Sub-dispatch still flows through the `tools/pre-execute`/`tools/post-execute` waterfalls, so permission/sandbox/hook plugins apply to code-mode calls exactly as to native ones. -2. Calls `ctx.codeRuntime.run({ code: args.code, sdk: bindings, signal: exec.signal })`. -3. Surfaces the outcome. A *successful* run returns `[{ type: 'text', text: <console logs + return value> }]`. A *runtime-error* result cannot be reported by returning content, because a normal `ToolDefinition.execute()` returns only `Promise<ContentBlock[]>` and `ToolRegistry.execute()` hardcodes `isError: false` on any successful return — `isError: true` arises only from the registry's catch path. So on an error result the tool **throws a `CodeRunError extends HarnessError`** (`HarnessError` is exported from `dsh-llm`; the registry catch turns any throw into `isError: true` with the message as text, and a `HarnessError` additionally carries structured `{ name, code }`). An alternative — registering `run_code` handling as a `tools/execute` listener that returns a full `ToolExecutionResult` and can set `isError` directly — is noted; the throw is simpler and preferred. - -**3d. Result discipline — what the model receives.** The model gets back **only the captured console output and/or the program's return value** (the model chooses which to surface). Intermediate sub-call results are **never** returned to the model. This is the core context-saving benefit: the agent curates its own output, exactly as a script's stdout curates a pipeline's intermediate state. - -**Sub-call CallIds.** Real tool calls dispatched from inside `run_code` need ids, but `CallId` is normally provider-issued (a branded string for correlating a call with its result — only brand-wrapped via `CallId()`, with no generator and no documented session-global-uniqueness guarantee). The plugin mints deterministic sub-ids scoped to the parent: `` `${exec.callId}:code:${n}` `` with a per-run counter `n`. These are unique within one `run_code` run (assuming the parent `callId` is unique, which the provider guarantees per turn); the `code/dispatch` event additionally carries the session log's `seq` so the UI and persistence can order and disambiguate globally without relying on the id alone. `ToolExecution.agent` is optional; the normal loop always supplies it (and with it `exec.agent.session`, the log `code/dispatch` appends to). A `run_code` execution arriving without `exec.agent` still runs (sub-calls propagate `agent: undefined`, exactly as the loop's own contract allows) but **skips session-log observability** — with no session to append to, those direct runs are simply not logged. - -**Observability without context cost.** Each sub-dispatch emits a session event **declared by the `dsh-code-mode` plugin itself** via `SessionEventMap` declaration merging (the map is merge-extensible precisely so plugins can add events without touching `dsh-session`). Shape: `code/dispatch` with `{ parentCallId, subCallId, name, arguments (or redacted), isError, summary }`, ordered by the session log's own `seq`. `deriveMessages()` does **not** translate it into a model message — an unknown event type falls through its `default`, per the merge-extensible-union convention — so the UI and persistence ([session persistence](../../implemented/architecture/2026-06-14-session-persistence.md)) can render every sub-call while the model's context only ever receives the single `run_code` tool-result. Because the event lives in the plugin, this adds no core change. - -**SDK codegen.** A pure `jsonSchemaToTs(schema)` in `code-mode` maps the JSON-schema subset the `defineTool` DSL produces (object/string/number/boolean/array, `properties`, `required[]`, `enum` → string-literal union, nested objects, array `items`) to a TS type literal. It is **total**: any unsupported construct (`$ref`, `oneOf`/`anyOf`, `integer`, `null`, `additionalProperties`, or any raw MCP shape it does not recognize) degrades to `unknown` without throwing — it never crashes codegen. Typing is best-effort, not a guarantee, because MCP tools accept arbitrary JSON Schema and `ToolSchema.parameters` is typed only as `Record<string, unknown>`. Because `ToolSchema.name` is an arbitrary string (not necessarily a valid TS identifier), the SDK is generated as a **namespace with quoted access** (e.g. `tools["some-mcp-tool"](args)`) plus safe camelCase aliases where the name is a clean identifier; alias collisions and TS reserved words fall back to quoted-only access (no duplicate alias emitted). This mirrors Cloudflare's `sanitizeToolName`. `run_code` itself is filtered out of the SDK. The MVP surfaces text content only; image and other block types in sub-results are deferred (noted as a limitation). - -**Concurrency — serialized by default (the binding must enforce it).** The SDK functions are async, so a model writing `await Promise.all([tools.a(...), tools.b(...)])` would *start both* immediately, and each would call `ctx.tools.execute` right away — i.e. the binding shape makes concurrent dispatch the **default**, not an opt-in. Because the tool contract carries **no concurrency-safety metadata today** (parallel tool execution and a concurrency-safety hint are an open TODO in both `dsh-tools` and [docs/architecture.md](../../../architecture.md): "phase 1 executes tool calls sequentially"), concurrent dispatch through a not-yet-hardened tool may race. So a prose "may serialize" is not sufficient. **Decision: the MVP SDK bindings enforce serialization** — each `run_code` invocation owns a per-run dispatch queue, and every `invoke()` chains onto it (`tail = tail.then(() => ctx.tools.execute(...))`), so even `Promise.all` over SDK calls executes them one at a time in submission order. This is a hard acceptance criterion, with a test that issues `Promise.all([...])` from a program and asserts the underlying `ctx.tools.execute` calls did **not** overlap (e.g. a probe tool records enter/exit and the test asserts no interleaving). The `.d.ts` may *describe* the model-visible functions as async (they are), but the implementation guarantees serial execution. Lifting serialization is deferred: only once a tool can declare itself read-only / concurrency-safe does the binding allow those specific tools to overlap. The same per-run queue is where the before/after abort checks (§3c) live, so an aborted run drains no further queued dispatches. - -**Tool visibility tiers (design intentionally skipped).** A natural extension is to mark each tool with a *visibility tier*: some tools "direct-call eligible" (still offered as native wire tools alongside `run_code`), some "code-mode only" (reachable solely from within a `run_code` program, never on the wire), and the default "both." This would let a deployment keep a few high-frequency or approval-gated tools as direct calls while routing the long tail through Code Mode, or hide composition-only primitives from the native surface entirely. This RFC notes the possibility but **intentionally skips the detailed design** — the per-tool metadata, how it interacts with the `agent/request` enforcement in 3b, and the presentation split in 3a are left to a follow-up. The MVP is the simple two-state model: Code Mode on (everything via `run_code`) or off (everything native). - -**Optionality / toggle.** Loading the `code-mode` plugin enables Code Mode for that context; not loading it leaves today's native tool-calling untouched. The two are mutually exclusive within one ctx, because Code Mode rewrites the wire tool list down to `[run_code]`. Per-agent selection via ctx forks, and the visibility tiers above, are future work; the MVP toggle is plugin presence. - -## Alternatives - -**Result elision / summarization over native tool-calling (the narrower route).** The Problem has two halves — context bloat (every intermediate `tool-result` re-enters context) and serial composition (one tool call per round-trip). The context-bloat half can be addressed *without* any code-execution runtime: keep provider tool-calling exactly as it is, and add a plugin on the `agent/request` waterfall (or a compaction pass akin to [the session-persistence work](../../implemented/architecture/2026-06-14-session-persistence.md)) that elides or summarizes older `tool-result` blocks before they re-enter the model's context — drop them past a window, replace large payloads with a digest, or keep only the blocks the model still references. This is strictly less invasive than Code Mode: no new runtime seam, no model-written programs, no new safety surface. It is the right tool if context growth is the only pain. - -It is insufficient for the **composition / round-trip** half, which is the decisive reason this RFC does not stop there. Elision still pays one model round-trip per tool call: a loop over N items is N turns, a branch on an intermediate value is a turn to fetch then a turn to act, and post-processing (filter, join, reduce) either happens in the model's head over full payloads or not at all. Code Mode collapses all of that into one program — the loop, the branch, the join run in the runtime, and only the curated result returns. Elision also cannot express fan-out or data-dependent control flow; it only shrinks what comes back. So the two are complementary, not competing: elision could even layer *under* Code Mode for the residual native-tool paths. The RFC chooses Code Mode because the round-trip/composition cost is the larger structural limit, and accepts the new code-execution surface as the price — which is exactly why the execution substrate is gated behind the enforceable safety guard (§2) and the hardened backend is a hard prerequisite for untrusted use. - -**Why not change the loop to dispatch native tool calls in parallel instead?** That is the other obvious answer to the round-trip cost, and it remains valid future work (it is the open `dsh-tools`/architecture.md TODO). But it is a core-loop change requiring the same concurrency-safety metadata Code Mode defers, and it still does not give the model *composition* (branch/loop/post-process between calls) — only parallelism of independent calls the model already decided to make in one step. Code Mode delivers composition with zero core change; parallel native dispatch and Code Mode can coexist later. - -## Plan - -1. Scaffold the interface package `packages/code-runtime/` per [the cookbook](../../../cookbook/adding-a-package.md): abstract `CodeRuntime extends Service` (`super(ctx, 'codeRuntime')`) with a readonly `safe: boolean`, the `declare module 'cordis'` ctx key, the `CodeRunRequest`/`CodeRunResult`/`SdkBinding` vocabulary, method contracts documented in JSDoc (what `run` captures, abort semantics, that an error is a result field not a throw, what `safe` means). HMR-safety test (dispose the contributing fiber, assert `ctx.codeRuntime` is gone). -2. Scaffold the implementation package `packages/code-runtime-vm/`: the node:vm stub — `safe = false`, a constructor that **throws unless given `{ unsafe: true }`**, transpile/type-erase, async-IIFE wrap, capturing `console`, SDK globals, return-value/logs/error capture, output cap, signal-tied timeout. Tests for output capture, return value, error-as-field, abort, the constructor refusal without `unsafe`, and a README documenting the "not a sandbox, trusted-only" caveat prominently. -3. Scaffold the consumer plugin `packages/code-mode/`: `jsonSchemaToTs` codegen with namespace/quoted-access + alias handling (unit tests, including non-identifier MCP names and unsupported-shape → `unknown`); the registered lazy `ctx.systemPrompt.section()` carrying the SDK `.d.ts`; the `agent/request` listener (`prepend: true`) collapsing `request.tools` to `[run_code]` after `await next()`; the **unsafe-runtime gate** (refuse to register `run_code` when `ctx.codeRuntime.safe === false` unless `allowUnsafeRuntime` is set); the `run_code` tool with the dispatch bridge (per-run serialization queue, deterministic sub-call ids, before/after abort checks, `CodeRunError` on error results); and the `code/dispatch` event declared here via `SessionEventMap` merge. Declare `inject = ['tools', 'systemPrompt', 'codeRuntime']`. -4. Tests: HMR-safety (dispose removes the tool, the section, and the listener); a waterfall test that the wire tool list is exactly `[run_code]` (spy adapter, asserting via `agent/request` and optionally `llm/stream`); an integration test that a program calling two tools returns only its printed/returned output (verify the world, not the self-report); a **serialization test** that `Promise.all([...])` over SDK calls does not overlap the underlying `ctx.tools.execute` invocations (a probe tool records enter/exit; assert no interleaving); `deriveMessages()` ignores `code/dispatch`; abort mid-program stops further dispatches; `CodeRunError` surfaces as `isError: true`; and the **unsafe-runtime refusal test** (§3, the VM-guard): with the unsafe flag unset, a non-mock agent's `run_code` is refused; with it set, the program runs. -5. Wire an example: `examples/coding-agent-code-mode` (or a config flag on the existing example) loading the trio. Running it against the node:vm stub requires both opt-ins (`VmCodeRuntime({ unsafe: true })` and `code-mode`'s `allowUnsafeRuntime`); the example sets them explicitly and comments why, or uses a mock model — a real model never reaches the unsandboxed stub without those deliberate flags. Add a `pnpm run demo:*` entry. -6. Docs: update [docs/architecture.md](../../../architecture.md) (a `ctx.codeRuntime` row in the service map, a Code Mode note under the tool pipeline / capability seams sections); add a [cookbook](../../../cookbook) note on writing a `CodeRuntime` backend; and **file the follow-up RFC for the hardened execution substrate** (the isolate/sandboxed-process design, the additional-language backends sketched in §1 — AssemblyScript/WASM, Python — with their per-language SDK generators, plus the tool-visibility-tier design skipped here). On landing, move this file to `implemented/` and update its row in [the RFC index](../../README.md). - -## Risks - -node:vm is not a sandbox. This is the single biggest caveat. Withholding `require`/`process` is not a boundary; the MVP runs at harness trust only; the hardened substrate is a hard prerequisite before any untrusted use and is the explicit subject of a follow-up RFC. The guard is enforceable, not just documented: the runtime exposes `safe: boolean`, the VM stub throws unless constructed with `{ unsafe: true }`, and `code-mode` refuses to register `run_code` over an unsafe runtime unless separately acknowledged (`allowUnsafeRuntime`) — production misuse requires two deliberate, greppable flags, and the refusal path is tested. - -Wrong seam would leak tools. If the wire tool list were enforced only in `system-prompt/assemble`, a later `agent/request` listener could re-add tools. Mitigation: enforce `request.tools = [run_code]` in the `agent/request` waterfall (the authoritative seam, run last before `llm.stream()`) with `prepend: true`, and assert exactly one wire tool in tests. The residual `llm/stream` caveat is documented, not hidden. - -Concurrency before the contract supports it. The binding shape makes concurrent dispatch the default, and the tool contract has no concurrency-safety metadata yet, so unguarded `Promise.all` over SDK calls could race a not-yet-hardened tool. Mitigation: the MVP bindings enforce a per-run serialization queue (every `invoke` chains onto the previous), with a test asserting `Promise.all` from a program does not overlap the underlying `ctx.tools.execute` calls. Per-tool parallelism is unlocked only once a tool can declare itself concurrency-safe. - -Two presentation modes to keep coherent. A tool added later must work in both native and Code Mode. Mitigation: both the codegen thunk and the `agent/request` listener read `ctx.tools.schemas()`, so coverage is automatic; a test asserts every registered schema produces valid `.d.ts`, including non-identifier MCP names via quoted access. - -Type-erased runtime is not type-checked. The model can write code that type-checks against the advisory `.d.ts` but throws at runtime, and MCP-schema typing is best-effort. Mitigation: errors are captured as `CodeRunResult.error` and surfaced so the model can self-correct; the `.d.ts` is explicitly advisory. - -Lost observability of sub-calls. Routing everything through one `run_code` result hides the individual calls from the model — and could hide them from operators too. Mitigation: the plugin-declared `code/dispatch` event keeps every sub-call in the session log and UI without polluting model context. - -Abort granularity. node:vm cannot reliably interrupt hot synchronous code, and `ctx.tools.execute()` converts thrown aborts into `isError` data. Mitigation: the SDK bindings check `signal.aborted` and throw before/after each dispatch so an aborted sub-call stops the program; the vm stub wraps the run in a signal-tied timeout; the hardened substrate addresses the hot-loop case. - -Unsafe example wiring. A demo running a real model through the node:vm stub would hand model output ambient authority. Mitigation: examples are mock-model or explicitly marked unsafe; `code-runtime-vm` is labeled reference/test-only. - -Non-text sub-results dropped in the MVP. Image and other block types from sub-calls are not surfaced into the program yet. Mitigation: noted as a known limitation; block-type handling deferred. diff --git a/docs/rfc/proposed/feature/2026-06-30-pre-tool-input-rewrite.md b/docs/rfc/proposed/feature/2026-06-30-pre-tool-input-rewrite.md index 3e731af4b9..b3e6ab3cd7 100644 --- a/docs/rfc/proposed/feature/2026-06-30-pre-tool-input-rewrite.md +++ b/docs/rfc/proposed/feature/2026-06-30-pre-tool-input-rewrite.md @@ -1,10 +1,8 @@ -# RFC: Pre-tool input rewrite — a consistent design (proposed) +# RFC: Pre-tool input rewrite — a consistent design -Status: proposed (2026-06-30) +Status: proposed -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - -## Context +## Problem The [interception-seams RFC](../../implemented/feature/2026-06-30-interception-seams.md) added `tools/pre-execute` returning a `PreToolDecision` (allow/deny/ask) — but deliberately NOT input rewrite (a hook changing a tool call's `arguments` before it runs). Claude Code's `PreToolUse` hook offers an `updatedInput`, so a faithful CC bridge wants the same. This RFC designs that, separately, because doing it consistently is a real problem — not a field to bolt onto the allow decision. @@ -18,9 +16,9 @@ In the loop, a tool call's arguments are committed to the log and read by live c So an "input rewrite" that changes ONLY what executes would make the UI show one command while another RAN, and render result state against the wrong arguments — a real inconsistency, not a documentable gap. (The existing low-level capability to mutate `exec.arguments` in a listener has exactly this latent inconsistency; it is unadvertised precisely because of this — yet not unused: a tool-bash integration test rewrites a scripted call's arguments through it (`packages/bash/tool-bash/tests/integration.spec.ts`), so this design must either sanction that path with the consistency unit below or seal it — `readonly` arguments at the seam, with the test shim moved onto a behavior-level helper.) -## Proposed design (sketch — to validate against the code when built) +## Proposal -Treat input rewrite as a consistency unit: when a `pre-execute` hook supplies `updatedInput`, the rewrite must be reflected in ALL three readers, atomically, before execution: +A sketch, to validate against the code when built. Treat input rewrite as a consistency unit: when a `pre-execute` hook supplies `updatedInput`, the rewrite must be reflected in ALL three readers, atomically, before execution: - The `tool/call` audit event records the REWRITTEN arguments (with the original retained in a sidecar field for the audit trail — a hook changed the call, and both the original and the effective arguments are facts worth keeping). - The `assistant/message` in derived history must agree with what executed — options to evaluate: rewrite the assistant message's tool-call block in place (changes what the model "sees it said"), or record a separate correction the next request carries. The CC model is that the model sees the rewrite took effect. @@ -28,10 +26,23 @@ Treat input rewrite as a consistency unit: when a `pre-execute` hook supplies `u The shape would extend `PreToolDecision` with an allow-variant `arguments` (or a dedicated `{kind:'rewrite', arguments}`), and the loop would thread the rewrite through the three readers above rather than only into `ctx.tools.execute()`. -## Why not now +## Alternatives considered + +### Why not now The interception-seams RFC notes input rewrite "fought the code across two review rounds" — the signal AGENTS.md names for an over-reaching change. Shipping allow/deny/ask first keeps the seam honest (no advertised contract that silently desyncs the UI), and a CC/Codex bridge that receives an `updatedInput` logs it and surfaces a faithful-but-degraded warning (like `ask`→deny) until this lands. This RFC is the home for the consistent design; `TODO(pre-tool-input-rewrite)` in the loop's pre-execute call site anchors it. +## Acceptance criteria + +- A `pre-execute` rewrite is reflected in all three readers atomically before execution: the `tool/call` audit records the rewritten arguments (the original retained in a sidecar field), derived history agrees with what executed, and presentation renders the rewritten arguments. +- The unadvertised `exec.arguments` mutation path is either sanctioned by this consistency unit or sealed (`readonly` arguments at the seam, the test shim moved onto a behavior-level helper). +- The CC/Codex bridges honor `updatedInput` instead of logging the faithful-but-degraded warning. + +## Risks + +- Rewriting the `assistant/message` tool-call block changes what the model "sees it said"; whether any provider rejects that on replay is the open question that must be settled empirically before the decision shape freezes. +- Until this lands, the unadvertised mutation path keeps its latent UI-desync inconsistency. + ## Open questions - Does rewriting the `assistant/message` tool-call block corrupt any provider's expectation on replay, or is a separate correction safer? diff --git a/docs/rfc/proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md b/docs/rfc/proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md new file mode 100644 index 0000000000..3de3c7d9be --- /dev/null +++ b/docs/rfc/proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md @@ -0,0 +1,87 @@ +# RFC: Claude Code and Codex subagent backends (out-of-process delegation to external coding agents) + +Status: proposed + +## Problem + +The subagent seam ([the seam RFC](../../implemented/feature/2026-06-21-subagent-capability-seam.md)) hosts multiple named providers on `ctx.subagents`, and the ACP backend ([the ACP backend RFC](../../implemented/feature/2026-06-22-acp-subagent-backend.md)) proved the seam generalizes across a process boundary; its Future-providers section explicitly named the Codex app-server and the Claude Code Agent SDK as mechanically similar siblings. Those two are the engines actually worth delegating to today: a harness turn should be able to hand a self-contained task to a real Claude Code or a real Codex — a separate product with its own model, tools, and sandbox — and get back one final answer, without the parent deployment leaking its secrets into the child or the child's behavior silently depending on whatever `~/.claude` / `~/.codex` state exists on the host machine. + +## Proposal + +Two sibling provider packages, structural variants of the ACP backend, plus one extraction: + +- `@deepseek-ai/dsh-subagent-claude-code` — drives a Claude Code child through `@anthropic-ai/claude-agent-sdk`'s `query()` (the SDK runs in the parent process and spawns its bundled `claude` CLI as the subprocess). Provider name `claude-code`: the child is the Claude Code *product*, not an Anthropic model adapter — "claude" stays reserved for a future `dsh-llm` adapter. +- `@deepseek-ai/dsh-subagent-codex` — spawns `codex app-server` and drives one thread/turn over its JSON-RPC-over-stdio protocol with a hand-rolled newline-JSON client (~200–300 lines) in the package. +- `@deepseek-ai/dsh-subagent-process` — a pure library (the `subagent-inprocess` precedent) extracting what `dsh-subagent-acp` already carries and both new backends need: the credential env scrub (`SENSITIVE_ENV_PATTERN`/`buildChildEnv`), the EOF → SIGTERM → SIGKILL dispose ladder, and new isolated-config-dir helpers (`mkdtemp` create, best-effort remove). The ACP backend migrates onto it; `bash-local`'s sibling copy is left alone to bound the change. + +Both providers copy the ACP backend's seam posture verbatim: fresh child per `start`, exactly one prompt round-trip, capabilities all `false`, `inheritsParentContext: false`, `request.parent`/`request.agentOptions` ignored, `id = AgentId(randomUUID())`, `result` never rejects — child-level failure flattens to a stop reason and the original error goes to `ctx.logger` via an `onError` spec callback. Model exposure is zero new code: `dsh-tool-subagent` is loaded once per provider with a distinct `toolName` (`subagent_claude_code`, `subagent_codex`). No new session events are needed — the only model-visible artifact is the tool result, so reconstructability holds exactly as it did for ACP. To be explicit about the boundary: the session log reconstructs the model-visible transcript, not workspace mutation history — a child granted write access mutates files as an ambient side effect outside the log, exactly as the bash tools and the ACP backend already do; replay reproduces requests, not the disk. + +## Verified interface facts (pinned versions) + +Both integration surfaces were verified against pinned implementations before this proposal — types and bundled source read, keyless spikes run — not from vendor docs alone. The pins are the verification baseline, not a runtime contract: the backends perform no runtime version probe (no `codex --version` gate, no SDK version sniffing). Compatibility is enforced at development time — every dependency bump re-runs the keyless suites against the real load path — and at runtime by failing loudly: a protocol-level surprise settles `error` via `onError`, never a silent misbehavior. + +**`@anthropic-ai/claude-agent-sdk` 0.3.202.** `options.env` REPLACES the child environment (no merge with `process.env`), which is exactly what the scrub needs. `settingSources` defaults to loading ALL filesystem settings — isolation requires explicitly passing `[]`. Result subtypes are `success` | `error_during_execution` | `error_max_turns` | `error_max_budget_usd` | `error_max_structured_output_retries`. On abort the SDK escalates the CLI child itself: stdin EOF immediately, SIGTERM ~2s later if the child ignores it (observed; no leftover processes) — no bespoke kill fallback needed. `outputFormat: {type: 'json_schema'}` and an `agents` option exist, giving future landing points for the seam's `outputSchema` capability and named subagent types; both are out of scope here. + +**codex CLI 0.142.5, `codex app-server` (v2 vocabulary).** LF-delimited JSON, JSON-RPC 2.0 shapes with the `"jsonrpc"` header omitted. + +- Lifecycle: `initialize{clientInfo}` + `initialized` → `thread/start` (accepts `cwd`, `model`, `sandbox`, `approvalPolicy`, `ephemeral`; succeeds unauthenticated) → `turn/start{threadId, input:[{type:'text',text}]}` returns an `inProgress` turn immediately; the terminal signal is the `turn/completed` notification carrying `Turn{status: completed|interrupted|failed|inProgress, error}`. +- Approvals are server-initiated requests — `item/commandExecution/requestApproval`, `item/fileChange/requestApproval`, `item/permissions/requestApproval`, `item/tool/requestUserInput`, `mcpServer/elicitation/request` — answered with `accept`/`decline`-family decisions. +- Auth: `account/login/start{type:'apiKey', apiKey}` is a first-class RPC and `account/read` reports `requiresOpenaiAuth` — and an unauthenticated `turn/start` does NOT fail fast (it hangs in retry), so the backend MUST pre-check auth and settle `error` loudly instead of waiting on the turn. +- Isolation: `CODEX_HOME` redirection is honored (the `initialize` response echoes it, so tests can assert isolation), and `ephemeral: true` threads leave no session files at all. + +## Isolation and credentials + +Deployments authenticate with API keys only, and the child must not see the host user's Claude Code / Codex configuration: behavior has to be a function of `cordis.yml` alone. Each run gets a fresh `mkdtemp` config dir — `CLAUDE_CONFIG_DIR` for Claude Code (paired with an explicit `settingSources: []`), `CODEX_HOME` for Codex — removed best-effort on dispose; a config field can pin a persistent dir instead. The child env reuses the ACP backend's `buildChildEnv` semantics verbatim via the extraction: the ambient env is forwarded MINUS credential-shaped vars (`/KEY|SECRET|TOKEN/i`), with `config.env` layered on top — so `PATH`, `HOME`, `TMPDIR`, locale, and proxy vars survive and the CLIs run normally, while only credential-shaped ambient vars are scrubbed (`ANTHROPIC_API_KEY` enters explicitly through `config.env` for Claude Code), and the Codex key travels via the `account/login/start` RPC into the isolated `CODEX_HOME` rather than a hand-written `auth.json`. + +## Permission and approval policy + +Instead of collapsing to ACP's single `permission: allow|reject` knob, each backend exposes its engine's native vocabulary as config, with conservative defaults: Claude Code gets `permissionMode` (default `default`) plus `permission: allow|reject` (default `reject`) as the `canUseTool` auto-answer for whatever falls through; Codex gets `sandboxMode` (default `read-only`) and `approvalPolicy` (default `never`) plus the same `permission` fallback for approval requests that still arrive. Defaults are deliberately do-no-harm (the out-of-box child cannot write files); examples demonstrate opening up (`acceptEdits` / `workspace-write`). The mechanical rule: EVERY server-initiated request is settled programmatically and promptly — the enumerated approval/user-input/elicitation requests by the configured policy, an unknown request method with a JSON-RPC method-not-found error response (never left pending), unknown notifications consumed — so no child request can wedge a turn waiting on an answer that will never come. Prompts never reach a human in this cut, matching ACP. + +## StopReason mapping + +Claude Code: `success` → `completed`; `error_max_turns`, `error_during_execution`, `error_max_budget_usd`, `error_max_structured_output_retries` → `error` (aligning with the ACP call on `max_turn_requests`: an unfinished task is not success); generator abort → `aborted`; anything unknown → `error`. Codex: `Turn.status` `completed` → `completed`; `interrupted` → `aborted`; `failed` with `codexErrorInfo: 'contextWindowExceeded'` → `max-tokens`, any other `failed` → `error`; transport/spawn/auth-precheck failure → `error` (or `aborted` if cancel was requested). In both, `cancel()` is the ACP shape: flag + abort/interrupt + a cancel-settled race arm so an uncooperative child cannot stall the result. + +Liveness posture, stated explicitly: teardown timing is config, turn duration is not. Both backends take the dispose ladder's grace periods as defaulted validated config fields (the ACP backend's `disposeEofGraceMs`/`disposeGraceMs` shape, carried by the extraction), but there is deliberately NO turn-duration or startup timeout — matching ACP, liveness during a turn belongs to the caller via `cancel()`/the abort signal, a subagent turn is legitimately minutes long, and the Codex auth precheck removes the one verified guaranteed-hang; a deployment wanting a wall-clock bound cancels from the parent. + +## Testing + +Named at every tier per the root AGENTS.md rule, and de-risked up front: + +- **Keyless unit/integration**, mirroring the ACP spec list per backend (round-trip and output accumulation, every stop mapping, both cancel paths, already-aborted, permission auto-answer under both policies, unknown-message tolerance, bad-command spawn failure, HMR provider cleanup, export shape, isolation assertions on child env and temp-dir removal; Codex adds the auth-precheck failure path). Claude Code's harness is a scripted fake `claude` executable behind `pathToClaudeCodeExecutable` driven by the REAL SDK — a spike already passed end-to-end keyless in 24ms (the fake CLI answers one `control_request/initialize` and speaks plain stream-json, ~40 lines). Codex's harness is a scripted mock app-server subprocess speaking the verified wire protocol, the `mock-acp-server.ts` shape. +- **With-key e2e** per backend: the real engine does real file work verified on disk, under a pinned opened-up config so acceptance and the do-no-harm defaults don't collide — `permissionMode: 'acceptEdits'` for Claude Code, `sandboxMode: 'workspace-write'` + `approvalPolicy: 'never'` for Codex; self-skips report exactly what is missing (binary vs key). CI has no secrets, so these run locally per the with-key policy. +- **Snapshot**: deferred as `TODO(claude-code-subagent-replay)` / `TODO(codex-subagent-replay)` — the same distinct replay shape the ACP backend deferred ([the per-session replay RFC](../../implemented/testing/2026-06-22-subagent-snapshot-replay.md)); the keyless suites carry deterministic coverage meanwhile. + +## Alternatives considered + +### Why not the official `@openai/codex-sdk` instead of a hand-rolled client? + +The dispose ladder and env scrub require owning the child process (spawn args, env, signals, exit await); the SDK hides the process. The wire format is trivial to frame (LF JSON), the shapes are generatable per pinned version (`codex app-server generate-json-schema`), and the repo precedent (`hook-protocol`) is to own thin protocol cores rather than wrap someone's runtime. The SDK would save protocol-evolution maintenance but costs the exact control this backend exists to have. + +### Why not a model-visible `subagent_type` parameter (one Task-style tool)? + +Claude Code's own Task tool puts the subagent type in the model-facing schema, selecting a prompt-plus-toolset persona. Here the choice is between EXECUTION ENGINES, and only the deployer knows which engines have credentials configured — so selection stays deployment config, preserving `dsh-tool-subagent`'s documented one-provider-per-tool contract. A persona-style type selector would be a separate RFC against the tool, not the backends. + +### Why not login-state credentials and the user's own config? + +Inheriting `~/.claude` / `~/.codex` (subscription login, user settings, skills, MCP servers) would make child behavior depend on host-machine state and punch an implicit exception through the "credentials enter explicitly via `config.env`, never ambiently" rule the ACP backend and bash executor established. API-key-only plus forced config-dir isolation keeps runs reproducible; deployments wanting shared state can point the config-dir field at a persistent directory deliberately. + +### Why not a driver-injection seam for the Claude Code keyless tests? + +Injecting a fake `query()` would mock our own boundary and leave the real SDK load path untested (the real-over-mock policy in docs/testing.md). The risk that justified considering it — the SDK↔CLI stream-json control protocol being internal — was retired by the spike: the fake-CLI harness works against the real pinned SDK today. If an SDK upgrade breaks the mock, the keyless suite fails the upgrade PR, which is the gate working. + +### Why not ACP adapters (e.g. `claude-code-acp`) reusing the existing backend? + +Community shims wrap both engines in ACP, which would make them "just config" on `dsh-subagent-acp`. But that inserts an unofficial third-party layer between the harness and the engine, erases the native control surfaces this RFC exposes (permissionMode, sandboxMode/approvalPolicy, config-dir isolation, apiKey RPC), and trades first-party protocol stability for a shim's release cadence. First-party surfaces — the Agent SDK and the app-server — are the supported integration points. + +## Acceptance criteria + +On a machine with both engines and keys configured: a REPL-driven model completes one real file task through `subagent_claude_code` and one through `subagent_codex`, the tool result being the child's final answer, with only `tool/call` + `tool/result` in the parent session log. Keyless suites pass at 100% per-file coverage in a credential-less environment, asserting isolation (scrubbed child env, no temp config dirs left after dispose) and that child behavior is unchanged by the presence or absence of `~/.claude` / `~/.codex`. Cancelling a parent turn quiesces both backends in bounded time with no leftover child processes. E2e suites self-skip cleanly, naming the missing prerequisite. + +## Risks + +- `codex app-server` is CLI-flagged experimental and its v1/v2 vocabularies coexist; the client pins 0.142.5, implements v2 only, and consumes unknown methods/notifications without crashing, but a future codex bump can still force rework (regenerate schemas and re-run the keyless suite on every bump — the development-time enforcement behind the no-runtime-version-probe stance above). +- The Claude Code fake-CLI mock rides an internal protocol: any SDK upgrade must go through the keyless suite, and a breaking control-protocol change means reworking the mock (fallback: the driver-injection seam rejected above becomes the escape hatch). +- The SDK's optionalDependencies weigh ~280MB per platform — accepted, and confined to the one backend package. +- The SDK's SIGKILL branch beyond EOF→SIGTERM was not observed and is trusted; e2e keeps a no-leftover-process assertion. +- Codex is a deployment prerequisite (no npm-bundled binary); a missing or incompatible binary surfaces as a loud spawn/protocol `error`, not a version probe. +- Every run pays a fresh child process and only the final answer surfaces — thoughts, tool cards, and usage are consumed and dropped; pooling, intermediate-progress surfacing, `sendMessage`/`resume`, `outputSchema` via the SDK's `outputFormat`, and named subagent types via the SDK's `agents` option are all deliberate deferrals. diff --git a/docs/rfc/proposed/process/2026-06-11-api-extractor-reports.md b/docs/rfc/proposed/process/2026-06-11-api-extractor-reports.md index c1099a6cce..a6f3bfb14c 100644 --- a/docs/rfc/proposed/process/2026-06-11-api-extractor-reports.md +++ b/docs/rfc/proposed/process/2026-06-11-api-extractor-reports.md @@ -2,8 +2,6 @@ Status: proposed -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - > Split out from the original "Doc-sync and API reports" RFC (2026-06-11). Parts 1-2 (doc-block typechecking, event-taxonomy verification) shipped — see [doc-sync enforcement](../../implemented/process/2026-06-11-doc-sync-enforcement.md). This is the deferred part 3, kept as a standalone proposal. ## Problem @@ -14,6 +12,19 @@ Public API changes are invisible — nothing makes "this commit changed the publ api-extractor (or `tsc --emitDeclarationOnly` + a normalized public-surface dump) producing a checked-in `etc/<pkg>.api.md` per package; CI fails if regeneration differs. Every public-API change becomes a diff line a reviewer (or review agent) must see. -## Status / why deferred +## Alternatives considered + +**`tsc --emitDeclarationOnly` plus a normalized public-surface dump** — the lighter mechanism if api-extractor proves too heavy; either satisfies the checked-in, diffable report shape the proposal needs. + +## Acceptance criteria + +- Every package has a checked-in `etc/<pkg>.api.md`; CI fails when regeneration differs from the committed report. +- A public-API change (a new export, a widened field, a shifted signature) is visible as a report diff line in review. + +## Risks + +The dependency is heavy and finicky — the reason this was deferred — and the report format churns with compiler upgrades, adding a maintenance surface that buys little while the packages stay unpublished. + +## Why deferred Deferred when doc-sync landed: low value for an internal monorepo where reviewers already see the source diff, and a heavy, finicky dependency. Revisit if the packages are ever published externally — at that point a stable, diffable public surface earns its keep. diff --git a/docs/rfc/proposed/process/2026-06-11-architectural-conformance.md b/docs/rfc/proposed/process/2026-06-11-architectural-conformance.md index 6eaf8b03a7..e0d16b455d 100644 --- a/docs/rfc/proposed/process/2026-06-11-architectural-conformance.md +++ b/docs/rfc/proposed/process/2026-06-11-architectural-conformance.md @@ -2,8 +2,6 @@ Status: proposed -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - ## Problem Two architectural guarantees currently live only in prose: (1) nothing depends on the concrete loop package ([the microkernel promise](../../implemented/architecture/2026-06-11-microkernel-event-taxonomy.md)), and (2) every LlmAdapter speaks the chunk protocol correctly. Both should be mechanical ([the quality-gates principle](../../implemented/process/2026-06-11-quality-gates.md)). @@ -24,6 +22,13 @@ Two architectural guarantees currently live only in prose: (1) nothing depends o dependency-cruiser config + CI step first (an hour of work, permanent guarantee); the conformance kit lands with its first consumer test against MockAdapter, and is a prerequisite for the V4 adapter phase. +## Acceptance criteria + +- dependency-cruiser runs in CI with the rule families above; a violating import fails the build. +- The conformance kit runs against the mock adapter and both shipping adapters, and a new adapter package inherits the suite by invoking it with its factory. + ## Risks Dep-cruiser rule maintenance as packages are added — keep rules pattern-based (`dsh-*`) rather than enumerated. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/proposed/process/2026-06-11-supply-chain-and-vendor-drift.md b/docs/rfc/proposed/process/2026-06-11-supply-chain-and-vendor-drift.md index e35e79f0a5..e787133026 100644 --- a/docs/rfc/proposed/process/2026-06-11-supply-chain-and-vendor-drift.md +++ b/docs/rfc/proposed/process/2026-06-11-supply-chain-and-vendor-drift.md @@ -2,8 +2,6 @@ Status: proposed -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - ## Problem The vendor manifest ([the vendoring decision](../../implemented/process/2026-06-11-vendor-cordis-as-source.md)) is enforced at commit time in the *forward* direction (vendored change ⇒ manifest update) but nothing verifies the manifest's *claims*: that vendor/ actually equals upstream-at-SHA plus exactly the logged modifications. And the handful of true npm dependencies have no advisory monitoring or update cadence. @@ -19,6 +17,17 @@ The vendor manifest ([the vendoring decision](../../implemented/process/2026-06- 3 is trivial — do first. 1 requires network access from CI to the upstream repos (private — needs a token) and converting the two existing logged modifications into patch files. 2 and 4 are config. +## Alternatives considered + +- **`pnpm audit` instead of osv-scanner** — either satisfies the advisory-scanning shape; the choice is deferred to implementation. +- **A scheduled agent task instead of Renovate** — equivalent for proposing small update PRs that ride the full gate suite; vendored packages stay excluded either way (their updates follow the manifest sync procedure). + +## Acceptance criteria + +- The license inventory script runs in CI and fails on a missing LICENSE or a `license` field that contradicts the inventory in `vendor/README.md`. +- The nightly drift job reconstructs `vendor/` from the manifest SHAs plus checked-in patch files and fails on any unexplained diff. +- Advisory scanning runs on the lockfile on schedule and on lockfile-touching PRs. + ## Risks Upstream repos are private mirrors; CI credentials and availability are the main friction for the drift check. If blocked, run it as a local scheduled agent task instead of CI. diff --git a/docs/rfc/proposed/process/2026-06-20-discover-package-inventory.md b/docs/rfc/proposed/process/2026-06-20-discover-package-inventory.md index a85e196ffd..3587393efe 100644 --- a/docs/rfc/proposed/process/2026-06-20-discover-package-inventory.md +++ b/docs/rfc/proposed/process/2026-06-20-discover-package-inventory.md @@ -27,6 +27,8 @@ Two of the cataloged items need no generator at all: folding the e2e entry glob - `knip.json` carries a per-package override only where it encodes real information (an extra entry file, an ignored dependency), never a restatement of the default stanza. - Snapshot scenarios declare policy, not facts discoverable from their fixture directories. -## What we give up +## Risks Discovery scripts can become too clever. The implementation should stay boring: read manifests, filter on explicit fields, print the resolved list, and fail loud. The payoff is removing manual inventory drift, not inventing a build system. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/proposed/process/2026-07-04-generate-rfc-index-tables.md b/docs/rfc/proposed/process/2026-07-04-generate-rfc-index-tables.md deleted file mode 100644 index b3c88c47ad..0000000000 --- a/docs/rfc/proposed/process/2026-07-04-generate-rfc-index-tables.md +++ /dev/null @@ -1,27 +0,0 @@ -# RFC: Generate the RFC index tables - -Status: proposed - -## Problem - -`docs/rfc/README.md`'s per-lifecycle/per-class tables are hand-maintained even though every fact in them is derivable: an RFC's path encodes lifecycle and class, its filename encodes the first-proposed date, and its H1 carries the title. `scripts/verify-rfc-classification.ts` already walks the tree and cross-checks the index — the expensive parsing exists; it reports instead of writing. - -The tables are also the repo's highest-contention docs hotspot: every proposal wave appends rows to the same few lines, so concurrent RFC branches conflict precisely there while agreeing everywhere else, and each conflict is resolved by hand-merging rows whose content the filesystem already knows. [The classification RFC](../../implemented/process/2026-06-20-rfc-classification.md) records rejecting auto-generation to keep the file curated — but the curated part of the README is the prose, and the prose never conflicts; only the mechanical tables do. - -## Proposal - -Keep the curated prose; generate the tables. Add a `gen-rfc-index` mode (a `--write` flag on `verify-rfc-classification.ts`, or a sibling script sharing its walker) that scans the RFC tree, reads each H1, derives the date from the filename, and rewrites the table rows under stable generated markers per `## {Lifecycle}` / `### {Class}` section; `verify-rfc-classification` asserts freshness — the `gen-cordis-catalog`/`verify-cordis-catalog` pattern. The class and lifecycle sets stay closed in the script. The implementing PR amends the classification RFC's rejected-alternatives record per [implemented/AGENTS.md](../../implemented/AGENTS.md), since this supersedes that recorded choice. - -## Why not keep the verifier-only model? - -It catches mistakes but still makes every proposal edit a shared hotspot, and a failed verifier is strictly more annoying than a generator for a purely mechanical row: the author has already named and placed the file; the index copy adds no information. This is the same hand-list-versus-derivation judgment the [package-inventory proposal](2026-06-20-discover-package-inventory.md) applies to tsconfig references and knip stanzas — applied to the one list that demonstrably conflicts. - -## Acceptance criteria - -- `pnpm run gen-rfc-index` (or the chosen spelling) rewrites only the generated table regions; `verify-rfc-classification` fails when they are stale and passes after regeneration. -- Adding, moving, or deleting an RFC requires editing only the RFC file itself; the rows are produced from path + H1 + filename date. -- The prose outside the generated markers is untouched by the generator; `pnpm run doc-sync` passes. - -## Risks - -Generated regions inside a curated file need explicit markers so ownership is obvious to reviewers. Reading H1s makes a malformed header a generator error — useful pressure, and it should fail clearly. This supersedes an implemented process decision; amending that RFC's record is part of the change, not optional. diff --git a/docs/rfc/proposed/simplification/2026-06-20-unify-agent-and-session-id.md b/docs/rfc/proposed/simplification/2026-06-20-unify-agent-and-session-id.md index c7978183ef..19dee0ed56 100644 --- a/docs/rfc/proposed/simplification/2026-06-20-unify-agent-and-session-id.md +++ b/docs/rfc/proposed/simplification/2026-06-20-unify-agent-and-session-id.md @@ -28,7 +28,9 @@ Make an agent BE its session: one id. An agent's registry handle IS its `session - The config path (`AgentLoop.create`) uses its configured `id` directly as the session id, applying whatever resume-or-create policy it adopts (today it appends a per-run uuid to avoid colliding with an on-disk log; that policy moves onto the single id, e.g. the config id IS the session and a durable backend resumes it — to be settled in the implementing PR). - The registry's existing unique-`agentId` check becomes, by construction, a unique-session-id guarantee — the bash alias hole is closed with NO new defensive invariant: two agents cannot share a session id because the session id is the agent id. -## Why not just enforce session-id uniqueness in `AgentRegistry.register()`? +## Alternatives considered + +### Why not just enforce session-id uniqueness in `AgentRegistry.register()`? That was the review's first suggestion. It would couple the generic registry to a session-uniqueness assumption (the registry tracks *agents*, not sessions) and entrench the very separation this RFC removes. Unifying the ids closes the hole more cleanly — there is nothing left to enforce. diff --git a/docs/rfc/proposed/simplification/2026-07-04-drop-image-content-block.md b/docs/rfc/proposed/simplification/2026-07-04-drop-image-content-block.md deleted file mode 100644 index e9144cc3aa..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-drop-image-content-block.md +++ /dev/null @@ -1,27 +0,0 @@ -# RFC: Drop the `image` content block until a path can honor it - -Status: proposed - -## Problem - -`ImageBlock` (`packages/llm/llm/src/types.ts`) has no production producer, and every consumer on every path DROPS it: the deepseek adapter's serializer skips image blocks (a documented MVP limitation), the pi-ai converter skips them as unrepresentable, the ACP codec neither advertises image prompt capability nor forwards image blocks outbound and REJECTS image prompt content inbound, and the compaction estimator charges a flat token constant and renders `[image]`. An `ImageBlock` constructed today would silently vanish from the wire — the vocabulary advertises a capability no path honors, which is the silent-data-loss shape AGENTS.md's defensive patterns warn against. The only constructors anywhere are tests pinning the skip/drop/estimate branches. - -## Proposal - -Remove `ImageBlock`, its `ContentBlockMap` entry, the explicit `image` estimate/placeholder arms in compact-basic, and the image-naming comments in the deepseek serializer's, pi-ai converter's, and ACP codec's default arms — those default arms already absorb the case the way they absorb any unknown block type. Update the vocabulary line in [architecture.md](../../../architecture.md), the block list in `packages/llm/llm/README.md`, the deepseek README's image-skip row, the pi-ai README's images-not-representable row, the compact-basic README's image-estimation and `[image]`-placeholder rows, the pastes in [core.md](../../../core-data-structures/core.md) and [llm-streaming.md](../../../core-data-structures/llm-streaming.md), and the type-equiv manifest; amend the [content-block vocabulary RFC](../../implemented/architecture/2026-06-11-content-block-vocabulary.md)'s block list and multimodal-home consequence per [implemented/AGENTS.md](../../implemented/AGENTS.md); drop or retarget the tests that construct image blocks to exercise the removed branches. The ACP codec's inbound rejection of image PROMPT content is unaffected — that guard is about protocol content a client can send regardless of our vocabulary, and it stays. - -## Why not keep it? - -This is the most contested cut in the batch. Multimodal input (screenshots) is a plausible near-term coding-agent feature, and the [content-block vocabulary RFC](../../implemented/architecture/2026-06-11-content-block-vocabulary.md) reserved the slot deliberately. Two responses. First, `ContentBlockMap` is merge-extensible by design: a real multimodal feature reintroduces `image` in core in the same coordinated change that maps it in the adapters, advertises and renders it in ACP, and prices it in compaction — the producer and its consumers arrive together, which is how the map is meant to grow. Second, the middle option — keep the type but make adapters throw UNSUPPORTED instead of silently dropping — converts this into exactly the shape the [request-knobs RFC](2026-07-04-drop-inert-request-knobs.md) argues against: surface whose only implementation is rejection. Absence (a compile error at the would-be producer) is strictly clearer than either silent loss or universal throw. - -If review lands on keeping the slot, the fallback this RFC records is: keep `ImageBlock` but replace every silent skip with a loud rejection, and document that policy in the vocabulary — the current silent drop is the one state with no defender. - -## Acceptance criteria - -- No `ImageBlock` / harness `type: 'image'` block construction outside this RFC; the codec's inbound ACP-image rejection still passes its tests. -- Adapter/codec/compaction switches handle the case through their unknown-block default arms (pinned by the existing plugin-added-block tests where present). -- Doc pastes, the manifest, and the architecture vocabulary list updated; `pnpm run doc-sync` green. - -## Risks - -Re-adding a core vocabulary type later touches several packages at once — but that coordinated change is the shape a real multimodal feature needs anyway (adapter mapping, ACP advertisement, compaction pricing), and none of it exists today to preserve. diff --git a/docs/rfc/proposed/simplification/2026-07-04-drop-inert-request-knobs.md b/docs/rfc/proposed/simplification/2026-07-04-drop-inert-request-knobs.md deleted file mode 100644 index 60375ecf8c..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-drop-inert-request-knobs.md +++ /dev/null @@ -1,33 +0,0 @@ -# RFC: Drop `GenerateOptions.prefill` and `ToolSchema.strict` — request knobs with no working end-to-end path - -Status: proposed - -## Problem - -Two request-contract knobs ride the whole request pipeline, yet neither can do anything today: - -- **`prefill`** (`packages/llm/llm/src/types.ts`) has no production setter — the loop assembles `model`/`system`/`tools`/`messages` plus `sessionId`/`signal`, and the compaction backend adds only `maxTokens` — and BOTH adapters reject it: `packages/llm/llm-deepseek/src/serialize.ts` and `packages/llm/llm-pi-ai/src/adapter.ts` each throw `LlmError('UNSUPPORTED')` on a non-undefined `prefill`. The field's entire observable behavior is two throws, each pinned by one adapter test. DeepSeek's chat-prefix completion is a Beta feature on a base URL neither adapter targets. -- **`strict`** (`ToolSchema`, same file) is threaded through `DefineToolOptions`/`defineTool` (`packages/core/tools/src/schema.ts`), the registry's `schemas()` allowlist (`packages/core/tools/src/index.ts`), the deepseek wire mapping (`packages/llm/llm-deepseek/src/serialize.ts`, whose wire-type note records that strict mode requires the `/beta` base URL the adapter does not use), and a per-tool payload-patching pass in `packages/llm/llm-pi-ai/src/adapter.ts`. No shipped tool sets it — `rg` across every `tool-*` package src and `examples/` finds zero `strict:` producers; the only setters are dsh-tools unit tests. - -Both knobs are adapter-symmetric, so removal sheds them from both twins together — the [twin-adapter design](../../implemented/architecture/2026-06-13-twin-llm-adapters.md) is untouched. - -## Proposal - -- Remove `prefill` from `GenerateOptions`, both adapters' UNSUPPORTED guards, the tests pinning the throws, the paste lines in [core.md](../../../core-data-structures/core.md), the adapter README rows documenting the rejection, and the cookbook line using prefill as the UNSUPPORTED example ([adding-an-llm-adapter.md](../../../cookbook/adding-an-llm-adapter.md)); amend the [content-block vocabulary RFC](../../implemented/architecture/2026-06-11-content-block-vocabulary.md)'s consequence line naming prefill as having a home, per [implemented/AGENTS.md](../../implemented/AGENTS.md). -- Remove `strict` from `ToolSchema`, `DefineToolOptions`, `defineTool`, and the `schemas()` allowlist; drop the deepseek serializer branch; simplify the pi-ai payload fixup to the unconditional scrub of pi-ai's own strict default (that half exists for wire parity with the hand-rolled twin and survives); drop the setter tests and the core.md paste line. - -This RFC deliberately does NOT touch `temperature`, `stop`, or `maxTokens`: those are honored end-to-end by both adapters and are the natural first targets of a request-mutating hook plugin on `agent/request`. - -## Why not keep them? - -"An explicit UNSUPPORTED throw is honest contract behavior" — but a knob whose only implementation across both twins is rejection promises nothing, and deleting it upgrades the failure mode: an accidental setter becomes a compile error instead of a runtime throw. "Strict schema adherence is an officially documented provider feature with complete plumbing" — but a knob is not product surface until a shipped tool sets it AND an endpoint honors it; today neither is true. Each returns with its first real producer: `prefill` together with an adapter that implements chat-prefix completion (and a stated policy for adapters that do not), `strict` together with a tool that wants it and a beta-endpoint story. - -## Acceptance criteria - -- `rg prefill` and a tool-schema-scoped `rg strict` return only this RFC (and unrelated prose such as `strictEqual`). -- Both adapters compile and their contract tests pass without the guards; the pi-ai fixup still scrubs the library's strict default (wire parity pinned by its serializer tests). -- Doc pastes and the type-equiv manifest in sync; `pnpm run doc-sync` green. - -## Risks - -The shipped hook bridges set no request fields at all, and a request-mutating plugin (an `agent/request` waterfall listener) would reach for `temperature`/`stop` (kept, working), not a field adapters reject. If chat-prefix completion or strict mode become product features, the re-add lands with the adapter/endpoint work, where the contract can say what actually happens rather than "everyone throws". diff --git a/docs/rfc/proposed/simplification/2026-07-04-fold-stdio-ui-helper.md b/docs/rfc/proposed/simplification/2026-07-04-fold-stdio-ui-helper.md deleted file mode 100644 index aba2faf4ee..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-fold-stdio-ui-helper.md +++ /dev/null @@ -1,27 +0,0 @@ -# RFC: Fold the stdio UI helper into the stdio app - -Status: proposed - -## Problem - -`@deepseek-ai/dsh-ui-stdio` is a whole package whose only runtime importer is the app package `@deepseek-ai/dsh-stdio-agent` (`packages/ui/stdio-agent/src/index.ts`). The examples reach the readline UI by loading the app, never by composing the helper themselves; every other repo reference is mechanical or descriptive surface that exists BECAUSE the package boundary exists — manifest and tsconfig entries, generated module-graph rows, dependency-graph and README rows, and doc comments naming the package. [The ui group README](../../../../packages/ui/README.md) records the placement rationale — the helper "exists chiefly for the examples and the coverage gate — `ui/` is reserved for surfaces shipped as product" — which leaves a standing tension: a shipped product app depends on a support package documented as NOT product surface. - -The boundary buys package metadata, workspace and tsconfig references, module-graph rows, README entries, and publint surface for a helper that is not independently swappable: the stdio app's front-door cluster always includes the readline UI, and nothing else can meaningfully consume it. - -## Proposal - -Fold the helper into `@deepseek-ai/dsh-stdio-agent`: move `createStdioChat`, its `StdioRuntime` test seam, and its unit tests into `packages/ui/stdio-agent`; delete the `packages/support/ui-stdio` package with its manifest, references, module-graph rows, and README rows; update every reference that names the package (the example e2e module docs, `packages/README.md`, the support and todo README rows, the stdio-agent README, the ui group README, tsconfig references, the generated module graph). Keep the runtime seam so EOF handling, rendering, disposal, and piped-vs-TTY behavior stay unit-covered without hijacking process globals; the keyless Loader-path smokes keep guarding the export shape end-to-end. - -## Why not promote it to `ui/` instead? - -Promotion would resolve the support-vs-product mismatch while keeping the boundary — the right call only if the readline UI were an independently swappable integration or had a second composer, and the consumer census says neither. The structured ACP bridge stays its own package because it is the product protocol surface with its own contract and snapshot tiers; the readline helper is scaffolding for one app's front door. Re-extraction stays cheap pre-release: if a second product app wants the readline UI, split it back out then, with that consumer shaping the package contract. - -## Acceptance criteria - -- `packages/support/ui-stdio` no longer exists; the helper and its tests live in `packages/ui/stdio-agent`; no reference to the deleted package remains outside RFC history. -- The stdio app still renders transcript events, handles stdin lines and EOF, renders todo checklists, and disposes readline listeners under HMR; the echo/coding keyless smokes still boot through the real Loader path and guard the export shape. -- Manifests, tsconfig references, the generated module graph, and docs are updated; `pnpm run test:coverage`, `pnpm run test:snapshot`, `pnpm run doc-sync`, `pnpm run build`, and `pnpm run hygiene` pass. - -## Risks - -A future standalone terminal UI may want the helper as a package again — reintroduce it with that second consumer rather than keeping the boundary for hypothetical reuse. Moving tests risks blurring app-composition tests with UI-rendering tests; keeping the runtime seam and the colocated unit tests avoids that. diff --git a/docs/rfc/proposed/simplification/2026-07-04-prune-dead-core-spine-surface.md b/docs/rfc/proposed/simplification/2026-07-04-prune-dead-core-spine-surface.md index 85121f3293..a6f932b1ed 100644 --- a/docs/rfc/proposed/simplification/2026-07-04-prune-dead-core-spine-surface.md +++ b/docs/rfc/proposed/simplification/2026-07-04-prune-dead-core-spine-surface.md @@ -16,7 +16,9 @@ Delete the method and its test; delete the three export lines and their `package Sequencing: the in-flight surface-cache work (tool-pairing balance caching) neither uses nor touches `invalidate`, so that removal lands after or alongside it mechanically. The execute pipeline is `tools/pre-execute` → dispatch → `tools/post-execute`, and post-execute listeners receive the execution object alongside the result — nothing needs the result's own id. -## Why not keep them? +## Alternatives considered + +### Why not keep them? A future consumer that swaps a session's log in place would want a reset primitive — it re-adds `invalidate` with itself. A replacement-loop author might want to reuse the inbox or the driver — the architecture already answers that a replacement loop is a different bundle. An isolated result-logging listener might want self-contained correlation on the result — the execution object is in scope at every listener, and a field that exists only to be ignored is worse than absent: it invites exactly the orphaned-pairing bug the loop comment warns about. diff --git a/docs/rfc/proposed/simplification/2026-07-04-prune-producerless-vocabulary-variants.md b/docs/rfc/proposed/simplification/2026-07-04-prune-producerless-vocabulary-variants.md deleted file mode 100644 index d967e1d3b2..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-prune-producerless-vocabulary-variants.md +++ /dev/null @@ -1,31 +0,0 @@ -# RFC: Prune producer-less vocabulary variants (block cache hints, the `agent` message source, the `continuation` turn trigger) - -Status: proposed - -## Problem - -The merge-extensible vocabulary maps are designed to grow by declaration merging, and the codebase already states the admission policy on `TurnEndReasonMap` (`packages/core/session/src/types.ts`): a variant like `refusal` is "deliberately omitted until" an adapter or loop first emits it. Three declared vocabulary items violate that policy — each has no producer and no consumer, and two have not even a test: - -- **`CacheHint` and the three `cache?: CacheHint` fields** on `TextBlock`/`ToolResultBlock`/`ImageBlock` (`packages/llm/llm/src/types.ts`). Nothing constructs a block with `cache:` anywhere — src, tests, and doc pastes all come up empty — and neither adapter reads `.cache`: DeepSeek prompt caching is automatic, so the adapters map `prompt_cache_hit_tokens` OUT of responses without ever sending a hint IN. This is Anthropic-style `cache_control` surface with no provider that can honor it. -- **`MessageSourceMap.agent`** (`{ kind: 'agent'; agentId: string }`, same file). Zero constructors, tests included. Its intended producer shipped without it: the subagent backends send the parent's prompt to the child with no `source`, so it logs as `{ kind: 'user' }`, and the generic envelope renderer interpolates `source.kind` without ever routing on it. The variant is pasted into [core.md](../../../core-data-structures/core.md). -- **`TurnTriggerMap.continuation`** (`packages/core/session/src/types.ts`). The loop structurally cannot emit it — continuation happens *within* a turn as further steps, never as a new turn — and it constructs only `message` and `injection` triggers. The only writer is one hand-built test fixture that needs an arbitrary non-message trigger (`packages/support/llm-replay/tests/llm-replay.spec.ts`); the only production trigger reader, the ACP bridge, filters on `kind === 'message'`. The variant is pasted into [session.md](../../../core-data-structures/session.md). - -## Proposal - -Delete `CacheHint` with its three `cache?` fields, the `agent` message-source variant, and the `continuation` turn-trigger variant. Switch the llm-replay fixture to an `injection` trigger (any non-`message` trigger serves its purpose). Update the type-equiv pastes in [core.md](../../../core-data-structures/core.md) and [session.md](../../../core-data-structures/session.md) (and `scripts/type-equiv.manifest.json` where block identity shifts) in the same change, and amend the [content-block vocabulary RFC](../../implemented/architecture/2026-06-11-content-block-vocabulary.md)'s consequence line naming cache hints as having a home, per [implemented/AGENTS.md](../../implemented/AGENTS.md). - -Each variant returns the day it gains a real producer, exactly as the maps are designed to grow: a caching feature re-adds `cache` together with the adapter that transmits it; subagent attribution re-adds `agent` together with the backend that stamps it and a consumer that routes on it; an auto-continue feature that genuinely starts new turns re-adds `continuation` with the plugin that emits it. - -## Why not keep them? - -The [content-block vocabulary RFC](../../implemented/architecture/2026-06-11-content-block-vocabulary.md) lists "cache hints … have a home" as a design consequence, and reserved slots do advertise intent. But an empty slot is contract surface every implementation and consumer must consider (must my adapter honor `cache`? must my renderer route `agent` sources?), and the sibling map's own JSDoc already rejects reservation-without-emitter — `refusal` and `max_turn_requests` are named as variants to add *when something first emits them*, not declared in advance. Holding already-declared dead variants to the same standard makes the vocabulary mean something: if it is in the map, something produces it. - -## Acceptance criteria - -- `rg` for `CacheHint`, the `agent` message-source spelling, and the `continuation` trigger spelling returns only this RFC. -- The core-data-structures pastes and the type-equiv manifest are in sync (`pnpm run doc-sync` green). -- The fixture asserts the same replay behavior with an `injection` trigger; the suite is green. - -## Risks - -None operational — nothing can construct these values today. The mirror-event removals (recorded in [the boundary-mirror RFC](../../implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md) and [the stream-chunk RFC](../../implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md)) touch only transient `agent/*` events, never the durable vocabulary, so there is no collision. Elsewhere in the vocabulary the admission policy already holds: `rejected`, `prompt/blocked`, and `hook/invoked`/`hook/result` each have live producers — this RFC extends the same bar to the three variants that lack one. If the [image-block RFC](2026-07-04-drop-image-content-block.md) ships first, one of the three `cache?` fields leaves with it; the two proposals are independent and compose in either order. diff --git a/docs/rfc/proposed/simplification/2026-07-04-prune-write-only-fs-surface.md b/docs/rfc/proposed/simplification/2026-07-04-prune-write-only-fs-surface.md deleted file mode 100644 index 0a4bc14d89..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-prune-write-only-fs-surface.md +++ /dev/null @@ -1,29 +0,0 @@ -# RFC: Prune write-only fields and a dead routing knob from the fs seam - -Status: proposed - -## Problem - -The [fs seam split](../../implemented/simplification/2026-06-26-fsspec-style-fs-seam.md) moved read routing and policy out of the backend into `dsh-tool-fs` and `dsh-fs-policy`. Four pieces of surface kept the pre-split shape — populated on every call, read by nobody: - -1. **`STREAM_MIN_SIZE` + `FsIoInternals.streamMinSize` in `dsh-fs-local`** (`packages/fs/fs-local/src/fsio.ts`, re-exported from `packages/fs/fs-local/src/index.ts`): zero readers anywhere, including fs-local's own source and tests. The backend has no read routing — `readWholeText`/`streamWholeText` are separate primitives the caller chooses between — and the real routing constant lives in the consumer (`packages/fs/tool-fs/src/read.ts`, compared against `info.size`). Two mirrors of the 10 MiB fact; the backend's is dead, and the knob's JSDoc claims a "read routing" override that does not exist. -2. **`FsTarget.inputPath`** (`packages/fs/fs/src/types.ts`): every backend and every test fake must fabricate a "diagnostics only" value with zero production readers — the policy plugin and every error message use `targetKey`/`displayPath`. The `listDir` producer exposes the semantic wobble: directory children get the bare entry name, which was nobody's "input". -3. **`FsEditOutcome.replacements` + `.replaceAll`** (`packages/fs/fs/src/types.ts`): `replacements` has zero production readers (the single-match policy itself stays — it is enforced by the `FS_AMBIGUOUS_EDIT`/`FS_EDIT_NOT_FOUND` throws inside the backend, whose error message keeps the internal count); `replaceAll` is read only by `formatEditOutput` in `packages/fs/tool-fs/src/edit.ts` — as an echo of the `replace_all` argument the tool already holds. Shrunk, `FsEditOutcome` becomes `{ version, before, after }`, parallel to `FsWriteOutcome`'s genuinely backend-discovered fields. -4. **`FileReadOutcome.limit` + `.version`** (`packages/fs/tool-fs/src/read-render.ts`): populated by the read tool, but `formatReadOutput` renders `offset`/`lines`/`totalLines`/`truncatedByBytes` only, and the `fs/observed` emit uses `info.version` directly rather than the outcome copy. - -## Proposal - -Delete the fs-local constant, its re-export, and the `streamMinSize` knob (the remaining `FsIoInternals` knobs are genuinely used by the atomic-write tests); drop `inputPath` from `FsTarget`; shrink `FsEditOutcome` to `{ version, before, after }` and pass `replaceAll` to `formatEditOutput` from the parsed args; drop `limit`/`version` from `FileReadOutcome`. Update the [filesystem.md](../../../core-data-structures/filesystem.md) pastes, the type-equiv manifest, `packages/fs/fs/README.md`, and the test fakes that currently must fabricate the removed fields. - -## Why not keep them? - -A future permission/containment layer might want the pre-resolution path for error text — but it would want the *request*, which every call site still holds. "N occurrences replaced" might become model-facing text — a behavior change to design when wanted, and the backend-internal count survives for its error message. A read footer might display `limit` — everything the footer shows already derives from `lines`/`totalLines`. Meanwhile every current and future backend (remote, native) must fabricate wire fields nobody consumes, and every test fake must satisfy them. - -## Acceptance criteria - -- The removed surfaces are gone — `STREAM_MIN_SIZE`/`streamMinSize` in `dsh-fs-local`, `FsTarget.inputPath`, `FsEditOutcome.replacements`/`.replaceAll`, and `FileReadOutcome.limit`/`.version` — while the request-side `replaceAll` (`FsEditSpec`) and the version fields on the other outcome types are untouched; doc pastes and the manifest in sync; the suite is green with the shrunk fakes. -- `formatEditOutput`'s emitted text is unchanged for both `replace_all` branches, so no snapshot golden churns. - -## Risks - -The in-flight fs discovery work (glob/grep tools) touches the same `dsh-fs` type files — a textual, not design, conflict; land in either order and reconcile mechanically. Backends gain no new obligations; they shed four. diff --git a/docs/rfc/proposed/simplification/2026-07-04-remove-agent-steering-mirror.md b/docs/rfc/proposed/simplification/2026-07-04-remove-agent-steering-mirror.md deleted file mode 100644 index 579401cb75..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-remove-agent-steering-mirror.md +++ /dev/null @@ -1,28 +0,0 @@ -# RFC: Remove the `agent/steering` mirror emit - -Status: proposed - -## Problem - -`agent/steering` is the last remaining transient mirror of a durable session event. The loop's steering drain appends the durable `steering/message { turn, content, source }` and, on the very next line, emits `agent/steering(agent, turn, content, source)` — the identical fact as a fire-and-forget event (`packages/core/agent-loop/src/loop.ts`, `drainSteering`). It has zero production listeners: the only subscriber anywhere is a loop regression test asserting the emit carries `source` — the same fact the durable event already records one line above. - -Both mirror-removal RFCs retained it while explicitly deferring the decision this RFC now makes. The [boundary-mirror removal](../../implemented/simplification/2026-06-20-remove-agent-boundary-mirror-events.md) kept it as "a live control signal, not a boundary"; the [stream-chunk removal](../../implemented/simplification/2026-07-02-remove-stream-chunk-mirror.md) kept it as "a live control signal with no durable twin, retained (its fate is a separate future decision)". The second rationale does not survive the code: the durable twin is `steering/message`, appended immediately before the emit with the same payload. The mirrored-vs-live-only line the taxonomy actually draws puts it on the mirror side: `agent/queued` is genuinely live-only (it fires at enqueue time, before any durable event exists, and already carries a `steering: boolean` flag — cancelled queued work never enters the log), while `agent/steering` fires at the exact moment its durable twin lands, carrying nothing the log does not. - -Steering carries real production traffic — the hook bridges' turn-continuation decisions inject their reasons through `inbox.steer()`, landing as durable `steering/message` events that the hook-matrix goldens pin — and every one of those consumers observes the durable event. Nothing observes the mirror. - -## Proposal - -Remove the `agent/steering` declaration from `packages/core/agent/src/types.ts` (and its mention in the live-events JSDoc list there), the emit in `drainSteering` (whose `ctx` parameter becomes unused and goes too), the row in `packages/core/agent/README.md`, and the emit line in the loop-pseudocode blocks (`packages/core/agent-loop/src/loop.ts` module doc and [architecture.md](../../../architecture.md)); run `pnpm run gen-cordis-catalog`. Retarget the one regression test at the durable `steering/message` event — the source-preservation fact it pins lives on the log. The implementing PR amends the two retaining RFCs' scope lines per [implemented/AGENTS.md](../../implemented/AGENTS.md): the boundary RFC's retained-list entry and the stream-chunk RFC's "no durable twin" clause. - -## Why not keep it? - -"It is a control signal, not a boundary" — but the taxonomy's operative distinction is mirrored-vs-live-only, not control-vs-boundary, and this event mirrors. A consumer that wants enqueue-time notification has `agent/queued` (with its steering flag); a consumer that wants drain-time notification is by definition asking for the moment `steering/message` is appended, which `session/event` delivers with the same payload plus durability. The rejected [retire-mid-turn-steering RFC](../../rejected/simplification/2026-06-20-retire-mid-turn-steering.md) defended the steering *capability* — `steer()`, the durable event, continuation forcing — all of which this removal keeps untouched. - -## Acceptance criteria - -- No `agent/steering` spelling outside this RFC and the two amended RFCs; the catalog is regenerated and fresh. -- The retargeted test pins source preservation on `steering/message`; the suite is green. - -## Risks - -None known: zero production listeners exist to migrate, and both live-notification needs (enqueue, drain) have surviving homes (`agent/queued`, `session/event`). diff --git a/docs/rfc/proposed/simplification/2026-07-04-share-app-bin-boot-glue.md b/docs/rfc/proposed/simplification/2026-07-04-share-app-bin-boot-glue.md deleted file mode 100644 index adc3ec6da3..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-share-app-bin-boot-glue.md +++ /dev/null @@ -1,27 +0,0 @@ -# RFC: Share the app bins' boot glue instead of maintaining twin copies - -Status: proposed - -## Problem - -`packages/ui/stdio-agent/src/bin.ts` and `packages/ui/acp-agent/src/bin.ts` carry four near-twin helpers — `loadEnv`, `installFailLoud`, `assertEntriesLoaded`, `boot` — whose bodies differ essentially in the diagnostic prefix, plus two copies of the hardest-won boot lore in the repo: the `Promise.allSettled` swallow inside `loader.await()`, the silent-exit-0 import-failure guard, and the `--expose-internals` resolution note (the failure classes behind AGENTS.md's "real entry path means the published artifact" pattern). Drift has already begun: `boot(configPath)` resolves the path internally in one bin but requires a pre-resolved absolute path in the other, and the twin JSDoc prose has forked. - -The duplication is aggravated by a coverage hole: all of this logic sits OUTSIDE the per-file 100% gate — `vitest.config.ts` excludes `packages/*/*/src/bin.ts` because importing a self-executing bin (top-level `await main()`) runs it — which also makes the `export` keywords on these helpers decorative: no spec can import them, so the only exercisers are the subprocess smokes, and the two `built-bin.e2e.ts` suites duplicate their temp-node_modules scaffolding as well. The genuinely per-app pieces are small and real: the ACP bin owns snapshot-mode config selection (`resolveConfigPath`), replay-mode env skipping, the stdin-EOF dispose lifecycle, and stdout purity; the stdio bin owns nothing extra. - -## Proposal - -Extract the four helpers, parameterized by the bin's diagnostic prefix, into an importable non-bin module shared by both apps — a small published package in the `ui` group (the bins are published artifacts, so their runtime dependency must be published too, not `support/`). Each `bin.ts` becomes a thin self-executing `main()` plus its app-specific glue. The shared module gains unit tests and falls under the coverage gate; the loader-failure lore gets one home; the subprocess smokes remain the artifact-level guard — the published-bin smoke is NOT replaced by unit tests, per the "real entry path" defensive pattern. The implementing PR amends the [extract example app packages RFC](../../implemented/architecture/2026-06-20-extract-example-app-packages.md)'s facts ("boot glue moved into that bin, owned by the app" is the sentence that changes). - -## Why not keep the duplication? - -The bins were framed as independently-owned published artifacts, and a new package carries fixed overhead (manifest, README, tsconfig reference, publint surface) that rivals the deduplicated line count. But app-vs-app sharing was never weighed by that RFC — it consolidated three example `start.ts` copies INTO the bins and stopped there; the drift is now observed fact rather than speculation; and the coverage-gap argument is independent of the dedup argument: this is the only nontrivial runtime logic in the repo exempt from the per-file 100% gate. The alternative of a copy-by-convention shared source file is the current state with extra steps. - -## Acceptance criteria - -- The four helpers exist once, unit-tested, under the coverage gate; both bins are thin mains plus app-specific glue. -- Both built-bin smokes still pass under plain node in the node_modules-shaped temp dir, including the missing-config non-zero exit. -- The app-packages RFC's facts are amended in the same change. - -## Risks - -Churn in two published bins and one new package boundary; the shared module must stay dependency-light (cordis plus the loader). If the implementing PR finds the package overhead genuinely exceeds the dedup — the honest failure mode of this proposal — the fallback that still pays is extracting only the coverage-exempt pure logic (`assertEntriesLoaded`, `resolveConfigPath`) into an importable module within each app package, ending the coverage exemption without a new package. diff --git a/docs/rfc/proposed/simplification/2026-07-04-tighten-hook-protocol-contract.md b/docs/rfc/proposed/simplification/2026-07-04-tighten-hook-protocol-contract.md deleted file mode 100644 index 42d222c6be..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-tighten-hook-protocol-contract.md +++ /dev/null @@ -1,32 +0,0 @@ -# RFC: Tighten the hook-protocol contract — dialect, discarded fields, double defaults, and lib-owned `hook/result` semantics - -Status: proposed - -## Problem - -Five pieces of the `dsh-hook-protocol`/bridge contract miss the discipline the [subagent-observe-enrich RFC](../../implemented/feature/2026-06-30-subagent-observe-enrich.md) records — it dropped an `agentType` lifecycle field for lacking a consumer, and these fail the same test: - -1. **`HookDialect`'s `'native'` variant** (`packages/hooks/hook-protocol/src/types.ts`) has zero producers — the bridges stamp `'claude'` and `'codex'`; the only `'native'` constructor anywhere is the lib's own unit test. The field's own JSDoc defines `dialect` as "the bridge that ran it", and native is not a bridge: the [interception-seams RFC](../../implemented/feature/2026-06-30-interception-seams.md) records that native hooks are not a package and that "a native plugin can already use the typed Decisions" without the durable hook log, and the flagship native-plugin worked example asserts exactly that (no `hook/*` events at all). -2. **`HookOutput.suppressOutput`** (same file) is parsed by the codec and discarded on every path: no bridge branch, no merge fold, no warn, no deferred-list row — uniquely among its parsed-but-unhonored siblings, each of which carries a stated deferral (`updatedInput` → a logged warn plus the [pre-tool-input-rewrite proposal](../feature/2026-06-30-pre-tool-input-rewrite.md); `systemMessage` → a logged warn plus a README deferred row; `continue`/`stopReason` → a `TODO(hook-continue-false)` anchor plus the `'stop'` decision record). Structurally there is nothing to suppress: hook stdout never enters any transcript (context flows only via `additionalContext`; the log records only `decision`/`stderrSummary`), so a hook author setting `suppressOutput: true` gets silent nothing with no warn. -3. **`hook/result.durationMs`** is durable timing telemetry with no reader. Both bridges write it, and the ACP snapshot normalizer scrubs it to `0` because wall-clock hook runtime is replay noise (`examples/acp-agent/tests/snapshot-normalize.ts`); the remaining consumers are tests and the goldens that exist because the field exists. Deterministic provenance fields (`point`, `matcher`, `turn`, `handlerId`) earn their durability as audit facts; a nondeterministic field that replay must erase and nothing reads earns neither its bytes nor its special-case scrub. -4. **`defaultTimeoutMs` is double-defaulted in both bridge configs** — a schema `.default(600_000)` AND a `?? 600_000` fallback (`packages/hooks/hooks-claude/src/index.ts`, `packages/hooks/hooks-codex/src/index.ts`) — the same two-homes-for-one-literal shape the ACP bridge's `TODO(double-default)` flags, for a knob no shipped config sets; the per-hook `timeoutSec` is the real timeout surface. -5. **The `hook/result` semantics live in the bridges, twice, not in the lib that owns the event.** `summarize()` — the 500-character stderr truncation rule — is byte-identical in `packages/hooks/hooks-claude/src/index.ts` and `packages/hooks/hooks-codex/src/index.ts`, and so is the decision-string rule `output.decision ?? (output.continue === false ? 'stop' : 'pass')`; yet `dsh-hook-protocol` declares `hook/result`, documents `stderrSummary` as "truncated" without owning the truncation, and documents the decision values without owning the mapping. If one bridge drifts (a different cap, a different fallback), the shared durable event's semantics fork silently. - -## Proposal - -Narrow `HookDialect` to `'claude' | 'codex'` and fix its JSDoc; retarget the lib's one `'native'` test. Drop `suppressOutput` from `HookOutput`, the codec's parse lines, its codec-test assertions, and the parsed-superset lists in the lib README and [hook-protocol-lib RFC](../../implemented/feature/2026-06-30-hook-protocol-lib.md) (amended per [implemented/AGENTS.md](../../implemented/AGENTS.md)). Drop `durationMs` from `HookResultRecord`, `RunHookResult`, the `hook/result` event, the bridge appends, the docs/catalog, and the snapshot normalizer's special-case scrub (retiring `runHook`'s injected clock if nothing else needs it); the hook goldens refresh mechanically as the scrubbed field disappears. Replace the bridges' `defaultTimeoutMs` config knob with one shared reference-default constant in `dsh-hook-protocol` (per-hook `timeoutSec` stays the override surface). Move the `hook/result` semantics into the lib: `appendHookResult` (or a helper it exposes) derives `stderrSummary` and the decision string from the `HookOutput` + exit outcome, and both bridges delete their private copies. Rider: un-export `BLOCKING_EXIT_CODE` (zero importers; even the codec tests spell the literal `2`). - -## Why not keep them? - -The [hook-protocol-lib RFC](../../implemented/feature/2026-06-30-hook-protocol-lib.md) deliberately records "parses the full CC superset" — the strongest counterargument is that this proposal re-litigates decisions that RFC records. But parsing a field whose value can never influence anything is not protocol faithfulness, it is a reader trap; a dialect variant that the design's own thesis says will never be stamped is vocabulary without an interpreter; and durable telemetry that replay must scrub is a cost with no buyer. Each returns trivially with its first real consumer (a transcript surface with hook stdout to suppress; a native-provenance feature that logs hook events; a trace viewer that reads timings — as live diagnostics or a deliberately durable telemetry event designed for it). On item 5, the lib RFC chose per-bridge explicitness over a parameterized engine — but that choice governed payload construction and Decision mapping; the semantics of the SHARED durable event are precisely the "primitives where duplication would actually be dangerous" that the same RFC assigns to the lib. - -## Acceptance criteria - -- `HookDialect` is two-valued; `rg "'native'"` in the hooks packages returns only this RFC's amended references. -- `suppressOutput` and `durationMs` appear nowhere in source, parsed-field doc lists, the catalog, or the normalizer; the hook goldens are re-recorded or refreshed without the field. -- Both bridge configs lose `defaultTimeoutMs`; the reference default lives once, in the lib; per-hook `timeoutSec` still overrides it. -- One definition each of the truncation rule and the decision-string rule, in `dsh-hook-protocol`, exercised by both bridges' suites. - -## Risks - -The `dialect`, `suppressOutput`, `defaultTimeoutMs`, and semantics changes are invisible on the wire and in the goldens; the `durationMs` removal churns the hook goldens once (a mechanical refresh — the field was already normalized to a constant). The cost is churn in `dsh-hook-protocol` and both bridges — cheap under the pre-release stance, and cheaper than letting two copies of a durable event's semantics age apart. diff --git a/docs/rfc/proposed/simplification/2026-07-04-trim-acp-bridge-unreachable-surface.md b/docs/rfc/proposed/simplification/2026-07-04-trim-acp-bridge-unreachable-surface.md deleted file mode 100644 index a4bfbbf896..0000000000 --- a/docs/rfc/proposed/simplification/2026-07-04-trim-acp-bridge-unreachable-surface.md +++ /dev/null @@ -1,27 +0,0 @@ -# RFC: Trim unreachable ACP bridge surface — the branding knobs and the kind-sniffing fallback - -Status: proposed - -## Problem - -Two pieces of `dsh-acp` surface are unreachable from any shipped configuration: - -1. **`AcpConfig.agentName` / `agentVersion`** (`packages/ui/acp/src/index.ts`). The shipped app package hands the bridge only `{ model, systemPrompt }` (`packages/ui/acp-agent/src/index.ts`), so no leaf `cordis.yml` — the only production config surface — can set the knobs at all; they are settable solely by direct-mounting the bridge, which only a unit test does. Every snapshot golden — the hook-matrix scenarios included — pins the schema defaults (`deepseek-harness-acp` / `0.0.1`). The pair also carries a live `TODO(double-default)`: the literals exist twice (schema `.default(...)` plus `??` fallbacks), with the TODO asking to pick one home. -2. **The `toolKindFor` name heuristic** (same file) special-cases `bash*`/`read*`/`write`/`edit*` tool names in the generic-fallback path. Since the [render-intent union](../../implemented/architecture/2026-07-02-tool-render-intent-union.md), every first-party tool those arms match ships its own `presentCall` carrying its kind, and the presenter-less production tools (`subagent`, `subagent_fork`) fall through to `other` anyway. The arms are production-reachable only when a tool's `presentCall` THROWS (the containment fallback) — and the bridge's own module doc states the design rule the heuristic violates: "the bridge never special-cases tool names". - -## Proposal - -Hardcode `agentInfo` at the `initialize` site (`{ name: 'deepseek-harness-acp', version: '0.0.1' }`), deleting the two config fields, their schema defaults, the `??` fallbacks, and the `TODO(double-default)` whose subject vanishes; drop the knob half of the direct-mount config test, the two rows in `packages/ui/acp/README.md`, and the `packages/ui/acp/acp-feature-support.md` cell that cites the knobs. Zero golden churn — the emitted wire value is unchanged. Replace `toolKindFor` with the constant `'other'` in both fallback sites (the presenter fallback and `nullToolPresenter`) and delete the heuristic with its test rows. - -## Why not keep them? - -`agentInfo` is client-visible branding a deployment will eventually want configurable — but a knob no shipped config can reach is not configurability, it is drift surface (the double-default TODO is its symptom), and the honest re-add must include the `dsh-acp-agent` plumb-through that does not exist today either; both arrive together with the deployment that needs them. For the heuristic: a hypothetical third-party presenter-less tool named `read_docs` would lose its inferred `read` icon — but inferring kinds from unknown plugins' names is exactly the special-casing the render-intent design rejected. The behavior delta on shipped paths is confined to the presenter-throw fallback, where rendering kind `other` makes the client show the raw input instead of a masquerading first-party card — strictly better diagnostics for a broken presenter. - -## Acceptance criteria - -- `agentName`/`agentVersion` and `toolKindFor` appear only in this RFC; snapshot goldens are byte-identical; bridge tests are green with the constant fallback. -- The `initialize` handshake continues to report `deepseek-harness-acp`/`0.0.1` (pinned by the handshake snapshot). - -## Risks - -None beyond the presenter-throw rendering delta described above — an error path whose new behavior is more diagnosable than the old. diff --git a/docs/rfc/proposed/testing/2026-06-11-deterministic-and-stress-testing.md b/docs/rfc/proposed/testing/2026-06-11-deterministic-and-stress-testing.md index 6337d6b82f..2a30969ba4 100644 --- a/docs/rfc/proposed/testing/2026-06-11-deterministic-and-stress-testing.md +++ b/docs/rfc/proposed/testing/2026-06-11-deterministic-and-stress-testing.md @@ -2,8 +2,6 @@ Status: proposed -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - ## Problem Several loop tests synchronize with `setTimeout(30)` sleeps — flakiness debt that wastes agent cycles on retries and can mask ordering bugs. Separately, our core architectural promise (any session log replays to identical derived history) is asserted in two tests but is cheap to assert *everywhere*. And the inbox wakeup race was verified by hand exactly once; nothing re-verifies it continuously. @@ -20,6 +18,14 @@ Three measures: Land 1 and 2 together (they touch the same helpers); add the nightly job after the suite is sleep-free so repeats are fast. +## Acceptance criteria + +- No `setTimeout` remains in `packages/*/tests` outside the allowlisted helper module, enforced by the lint rule. +- The shared harness replays every test's session log into a fresh `Session` and asserts `deriveMessages()` equality automatically, across the whole suite. +- The nightly job runs the agent-loop and inbox suites with `--repeat` and `--shuffle`; a flake it finds is triaged as a bug, never retried away. + ## Risks Fake timers interact subtly with Promise scheduling in the loop — prefer event-driven waits; reserve fake timers for timer-service behavior itself. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/proposed/testing/2026-06-11-mutation-testing.md b/docs/rfc/proposed/testing/2026-06-11-mutation-testing.md index 209b0cdbd0..8c68ccf09f 100644 --- a/docs/rfc/proposed/testing/2026-06-11-mutation-testing.md +++ b/docs/rfc/proposed/testing/2026-06-11-mutation-testing.md @@ -2,8 +2,6 @@ Status: proposed -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - ## Problem The per-file 100% coverage gate ([the quality-gates decision](../../implemented/process/2026-06-11-quality-gates.md)) proves every line *executes* under test — not that any assertion would notice if the line were wrong. Under agent-written tests, coverage pressure can produce execution-without-assertion. Mutation testing measures what coverage cannot: whether the suite *kills* deliberately injected bugs. @@ -23,6 +21,14 @@ Stryker (`@stryker-mutator/vitest-runner`) over `packages/*/src`: 2. Expand to all packages; record baseline scores in the config. 3. Wire the nightly job; add the incremental PR job once runtime is acceptable. +## Acceptance criteria + +- A Stryker config runs over `packages/*/src` with the vitest runner; a nightly job records the mutation score, and a ratcheting threshold fails the run when the score drops below the recorded baseline. +- PR-scoped incremental runs gate merges once runtime is acceptable — or are explicitly kept nightly-only, with that outcome recorded here. +- Equivalent mutants carry annotated exclusions with reasons, mirroring the `/* v8 ignore */` policy. + ## Risks Runtime: mutation testing is expensive; per-file 100% coverage helps (every mutant is at least reached). If PR-scoped runs stay too slow, keep them nightly-only and rely on the score ratchet. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/proposed/testing/2026-07-04-single-source-acp-replay-config.md b/docs/rfc/proposed/testing/2026-07-04-single-source-acp-replay-config.md deleted file mode 100644 index 3cb986a3e7..0000000000 --- a/docs/rfc/proposed/testing/2026-07-04-single-source-acp-replay-config.md +++ /dev/null @@ -1,26 +0,0 @@ -# RFC: Single-source the acp-agent replay config - -Status: proposed - -## Problem - -`examples/acp-agent` ships two hand-maintained configs: `cordis.yml` (the live tree) and `cordis.snapshot.yml` (the keyless replay tree). Stripped of comments and blanks, their entire difference is ONE plugin entry — the eight-line `llm-deepseek` stanza (with its `!!js` env keys and model list) versus the two-line `llm-replay` stanza. Every other entry is byte-identical, including the multi-line system prompt and both hook-bridge stanzas. Every app-shape change must therefore be made twice, and the [hook-snapshot-matrix RFC](../../implemented/testing/2026-07-04-hook-snapshot-matrix.md) records paying exactly that tax: "hence the symmetric edit to both configs". - -Nothing gates the symmetry. If the copies drift, the snapshot tier silently exercises a different app than the one that ships — the ["green units, broken product" class of gap](../../../postmortem/0001-acp-default-export-drops-inject.md) the snapshot tier exists to close, reintroduced one level up, with reviewer vigilance as the only defense. - -## Proposal - -Make the replay tree derive from the live tree instead of mirroring it. Preferred endpoint: a single source — either `cordis.snapshot.yml` becomes a thin overlay that includes `cordis.yml` and swaps only the llm entry (if the vendored loader/include config supports entry-level override), or the acp-agent bin's existing `DSH_SNAPSHOT=replay` branch performs the one-entry swap on the parsed config and `cordis.snapshot.yml` is deleted. Fallback endpoint, if single-sourcing is judged too magical for a teaching example: keep both files and add a boring verify gate (in the `doc-sync`/`hygiene` family) asserting the two configs' entry sets are equal modulo the llm entry. The implementing PR picks after checking the loader's include/override capability, updates the recording docs, and amends the snapshot RFCs' facts per [implemented/AGENTS.md](../../implemented/AGENTS.md). - -## Why not keep the twin? - -An explicit replay file is transparently readable and teaches replay semantics — the strongest counterargument, and the reason the fallback keeps the file and adds only the gate. YAML surgery inside the published bin is real complexity in a shipping artifact, and an include-overlay depends on loader capability that may not exist. But the status quo — a 125-line hand-maintained near-copy of a 141-line file whose one meaningful difference is two lines, defended by nothing — is the one option with a silent failure mode, and it grows with every plugin the app gains (the hook-bridge stanzas are twins in both files). - -## Acceptance criteria - -- Either one config file plus a mechanical llm-entry swap exercised by the snapshot suite itself, or two files plus a symmetry gate that fails CI on any non-llm divergence. -- All snapshot scenarios (hook matrix included) pass unchanged; `pnpm run test:snapshot:record` still boots the live tree. - -## Risks - -The include-overlay shape may be unsupported by the vendored loader — then the bin-side swap or the gate. `echo-agent`/`coding-agent` are unaffected (no snapshot twin). If the gate route is chosen, it is one more bespoke verify script — the cost the repo's gate-friendly policy explicitly accepts for encoding an invariant no human reliably remembers. diff --git a/docs/rfc/rejected/architecture/2026-06-11-immutable-public-surfaces.md b/docs/rfc/rejected/architecture/2026-06-11-immutable-public-surfaces.md index 0e791ef689..6c404a05a9 100644 --- a/docs/rfc/rejected/architecture/2026-06-11-immutable-public-surfaces.md +++ b/docs/rfc/rejected/architecture/2026-06-11-immutable-public-surfaces.md @@ -2,8 +2,6 @@ Status: rejected — the pervasive `DeepReadonly<T>` type flip was rejected in favor of an always-on `deriveMessages` clone plus dev-mode `Object.freeze` + invariants. The immutability *goal* shipped via that alternative; see [dev-mode invariants](../../implemented/architecture/2026-06-11-dev-invariants-over-deep-readonly.md). -<!-- XXX: legacy ADR/RFC body format, not yet normalized to a unified RFC template. --> - ## Problem The session log is append-only by contract, but `session.events` returns `readonly SessionEvent[]` whose *elements* are mutable: a plugin can reach in and rewrite history (`events[0].data.content.push(...)`), silently breaking replay equivalence and the derived-history guarantee. The same applies to derived messages and prompt assemblies passed through waterfalls — mutation is sometimes the intended idiom (waterfall middleware mutates the request) and sometimes corruption (mutating a *logged* event), and the types don't distinguish. @@ -26,3 +24,5 @@ Introduce `DeepReadonly`, flip the session read paths, fix resulting compile err ## Risks `DeepReadonly` types can produce noisy errors at waterfall boundaries where mutation IS the API — keep the mutable/readonly boundary exactly at "logged vs in-flight" and document it in the session README. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/architecture/2026-06-20-providerless-example-base.md b/docs/rfc/rejected/architecture/2026-06-20-providerless-example-base.md index 7856c04b81..9746d4ac07 100644 --- a/docs/rfc/rejected/architecture/2026-06-20-providerless-example-base.md +++ b/docs/rfc/rejected/architecture/2026-06-20-providerless-example-base.md @@ -25,3 +25,5 @@ The shared base should contain only provider-neutral services and tools: `llm`, ## What we give up Real demos lose one layer of convenience: each must opt into the adapter. That is the right default for examples, because adapter choice is the variable part and providerless wiring is the shared product core. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-assembled-assistant-messages-only.md b/docs/rfc/rejected/simplification/2026-06-20-assembled-assistant-messages-only.md index 56f20c04ef..088fa8d25d 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-assembled-assistant-messages-only.md +++ b/docs/rfc/rejected/simplification/2026-06-20-assembled-assistant-messages-only.md @@ -30,3 +30,5 @@ The canonical user session no longer reconstructs the exact token stream of an o ## Related This supersedes the chunk-persistence choice in [session persistence](../../implemented/architecture/2026-06-14-session-persistence.md) and affects [ACP snapshot tests](../../implemented/testing/2026-06-19-acp-snapshot-tests.md), whose current replay plugin derives its script from `assistant/chunk` events. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-drop-acp-session-load.md b/docs/rfc/rejected/simplification/2026-06-20-drop-acp-session-load.md index f6cc3a3236..18cd6e981d 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-drop-acp-session-load.md +++ b/docs/rfc/rejected/simplification/2026-06-20-drop-acp-session-load.md @@ -23,3 +23,5 @@ For now, ACP starts fresh sessions only. `initialize` advertises `loadSession: f ## What we give up An editor cannot reopen a prior persisted session through ACP. That is a real product feature, but the current implementation is ahead of the UX and ties the bridge to token-level log replay. Keeping persistence while dropping editor load narrows the bridge to the workflow it can currently present cleanly. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-drop-acp-terminal-meta.md b/docs/rfc/rejected/simplification/2026-06-20-drop-acp-terminal-meta.md index 4b7ca91a0c..2f1408dc4c 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-drop-acp-terminal-meta.md +++ b/docs/rfc/rejected/simplification/2026-06-20-drop-acp-terminal-meta.md @@ -25,3 +25,5 @@ This proposal is narrower than [collapsing tool-owned UI presentation](2026-06-2 ## What we give up Zed users lose the dedicated terminal card: no cwd header, terminal display, or exit pill. They still see the command and output as plain content. That is a reasonable simplification while the ACP bridge is still unreleased and the `_meta` keys are a convention rather than a standard. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-drop-bash-output-spill-files.md b/docs/rfc/rejected/simplification/2026-06-20-drop-bash-output-spill-files.md index 8f971bb15a..0a13d90f1b 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-drop-bash-output-spill-files.md +++ b/docs/rfc/rejected/simplification/2026-06-20-drop-bash-output-spill-files.md @@ -25,3 +25,5 @@ This proposal can land independently of [a generic long-running tool runtime](.. ## What we give up A model or user cannot recover the omitted prefix of a huge command output from a temp file. That is acceptable until there is a real artifact service. The current spill path is too much bespoke machinery for a feature whose lifecycle and permissions are not designed. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-drop-durable-step-boundaries.md b/docs/rfc/rejected/simplification/2026-06-20-drop-durable-step-boundaries.md index 833fae5bc6..94313fd0ad 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-drop-durable-step-boundaries.md +++ b/docs/rfc/rejected/simplification/2026-06-20-drop-durable-step-boundaries.md @@ -26,3 +26,5 @@ The invariants plugin should enforce that step-scoped events have valid positive ## What we give up The log no longer records "a model request started but produced no event before the process died" as a durable fact, and no longer has an explicit "this step completed" marker. That loss is not acceptable while the session log is the durable replay and audit surface. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-drop-unused-session-lineage.md b/docs/rfc/rejected/simplification/2026-06-20-drop-unused-session-lineage.md index f32b0f3461..fc06cc76c9 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-drop-unused-session-lineage.md +++ b/docs/rfc/rejected/simplification/2026-06-20-drop-unused-session-lineage.md @@ -25,3 +25,5 @@ If lineage returns, decide then whether it belongs in the immutable header, a se ## What we give up The codebase loses a ready-made lineage hook for future fork/sub-agent UX. That is intentional. The field is easy to reintroduce when the feature exists, and the unreleased stance lets the format change without migrations. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-fold-session-persistence-interface.md b/docs/rfc/rejected/simplification/2026-06-20-fold-session-persistence-interface.md index 229e2810fc..a59c992b0d 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-fold-session-persistence-interface.md +++ b/docs/rfc/rejected/simplification/2026-06-20-fold-session-persistence-interface.md @@ -25,3 +25,5 @@ The implementing PR should update the [capability seams](../../implemented/archi ## What we give up `dsh-session` becomes heavier: it owns both the in-memory log and the persistence interface. That is the trade. If third-party persistence backends were already a public ecosystem, the separate interface package would be a cleaner SDK boundary; pre-release, the extra package looks like abstraction before there is an external consumer. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-generic-tool-rendering.md b/docs/rfc/rejected/simplification/2026-06-20-generic-tool-rendering.md index 5b80920a6a..6125feaa8b 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-generic-tool-rendering.md +++ b/docs/rfc/rejected/simplification/2026-06-20-generic-tool-rendering.md @@ -12,6 +12,8 @@ The real first-party use is bash presentation for ACP. That is too little eviden Remove tool-owned UI presentation callbacks for now. The canonical tool events already carry the tool name, raw argument string, result content, and error state. UIs render a generic tool card from those fields. Tool-specific rich rendering can return later as a tagged render-intent union after there are at least two real tools and two real consumers to validate the vocabulary. +## Alternatives considered + As a smaller alternative, replace the current optional-field bag with one explicit union in a single PR; but if the goal is simplification, the stronger move is to delete the callbacks and keep the generic path. ## Acceptance criteria diff --git a/docs/rfc/rejected/simplification/2026-06-20-retire-mid-turn-steering.md b/docs/rfc/rejected/simplification/2026-06-20-retire-mid-turn-steering.md index 97c7d5dc61..fd1a4687b3 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-retire-mid-turn-steering.md +++ b/docs/rfc/rejected/simplification/2026-06-20-retire-mid-turn-steering.md @@ -31,3 +31,5 @@ A user cannot add same-turn steering content while a model is between tool steps ## Related This pairs naturally with [dropping durable step boundaries](2026-06-20-drop-durable-step-boundaries.md), because removing same-turn steering and `agent/turn-continuation` leaves tool calls as the only reason a turn contains multiple model steps. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-single-session-acp-bridge.md b/docs/rfc/rejected/simplification/2026-06-20-single-session-acp-bridge.md index b2a2c3b84f..8f1d4e4531 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-single-session-acp-bridge.md +++ b/docs/rfc/rejected/simplification/2026-06-20-single-session-acp-bridge.md @@ -4,7 +4,7 @@ Status: rejected — Zed is the current target ACP client and its ACP implementa ## Problem -The ACP bridge now supports multiple live sessions on one JSON-RPC connection. That capability brings multi-entry session maps, reverse session/agent lookups, per-session prompt state, loading ids, demux for every event, cross-session teardown, and isolation concerns for future permission prompts and background tasks. The older [multi-session ACP proposal](../../proposed/feature/2026-06-14-acp-multi-session.md) still tracks the unfinished permission-ownership piece; this RFC is the competing simplification path. +The ACP bridge now supports multiple live sessions on one JSON-RPC connection. That capability brings multi-entry session maps, reverse session/agent lookups, per-session prompt state, loading ids, demux for every event, cross-session teardown, and isolation concerns for future permission prompts and background tasks. The older [multi-session ACP proposal](../../implemented/feature/2026-06-14-acp-multi-session.md) still tracks the unfinished permission-ownership piece; this RFC is the competing simplification path. The product target has proven it needs concurrent editor conversations over one harness process: Zed's ACP connection owns multiple sessions and load states. The snapshot replay tier still avoids concurrent model streams because its replay entries are positional; that is a test-fixture limitation, not a reason to remove bridge multiplexing. @@ -20,8 +20,10 @@ Remove the multi-session maps and demux where a single `SessionRecord | undefine - `session/new` and `session/load` reject while that record exists. - Event handlers no longer demux across a `Map<sessionId, record>`. - Multi-session tests are removed or moved under the proposal that continues to defend multiplexing. -- The existing [multi-session ACP proposal](../../proposed/feature/2026-06-14-acp-multi-session.md) is updated to link this RFC and remains the live direction. +- The existing [multi-session ACP proposal](../../implemented/feature/2026-06-14-acp-multi-session.md) is updated to link this RFC and remains the live direction. ## What we give up An ACP client cannot host several concurrent conversations on one server process. That is a meaningful capability cut. The simpler model is still reasonable for an unreleased harness: one editor conversation maps to one agent process, and cross-session permission/background-task isolation stops being a live correctness burden. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-06-20-truncate-interrupted-turns.md b/docs/rfc/rejected/simplification/2026-06-20-truncate-interrupted-turns.md index 90e2b3f7a4..1ed26c66f8 100644 --- a/docs/rfc/rejected/simplification/2026-06-20-truncate-interrupted-turns.md +++ b/docs/rfc/rejected/simplification/2026-06-20-truncate-interrupted-turns.md @@ -30,3 +30,5 @@ A crash can lose real work from the final turn: assistant text, tool calls, and ## Related This is a direct simplification of [session persistence](../../implemented/architecture/2026-06-14-session-persistence.md) and [turn enclosure](../../implemented/architecture/2026-06-15-turn-enclosure-invariant.md). It also removes much of the motivation for durable step boundary events, making [drop durable step boundary events](2026-06-20-drop-durable-step-boundaries.md) smaller. + +<!-- rfc-format: alternatives-not-recorded (pre-format RFC) --> diff --git a/docs/rfc/rejected/simplification/2026-07-04-prune-unimplemented-subagent-vocabulary.md b/docs/rfc/rejected/simplification/2026-07-04-prune-unimplemented-subagent-vocabulary.md index 9eaa1a5a8d..1af873731c 100644 --- a/docs/rfc/rejected/simplification/2026-07-04-prune-unimplemented-subagent-vocabulary.md +++ b/docs/rfc/rejected/simplification/2026-07-04-prune-unimplemented-subagent-vocabulary.md @@ -21,7 +21,9 @@ Adjacent surface examined and deliberately left alone: `SubagentService.getProvi This is the seam-vocabulary echo of [prune dead methods from the persistence seam](../../implemented/simplification/2026-06-20-prune-dead-seam-methods.md): members every implementation must declare for nobody — weaker even, since here zero implementations exist. -## Why not keep it? +## Alternatives considered + +### Why not keep it? The two-kinds-of-capability design is the seam RFC's headline, and re-adding `outputSchema` later touches several files. But the design survives with `depthLimit` as its live example and the RFCs as its record, and the seam RFC itself concedes the shipped `toolFilter` shape is wrong (real enforcement needs a `tools/pre-execute` deny in the child's context, not schema filtering) — that deny primitive exists on the interception seams, so re-adding against a real implementing provider will pin a better contract than the current speculative one. diff --git a/docs/testing.md b/docs/testing.md index 8dbbbc40c2..62989a1096 100644 --- a/docs/testing.md +++ b/docs/testing.md @@ -1,17 +1,17 @@ # Testing policy -How this repo tests, tier by tier, and the rules that keep a green suite meaning something. Commands live in the root [AGENTS.md](../AGENTS.md) § Commands; the RFCs linked per tier carry the design rationale. +How this repo tests, tier by tier, and the rules that keep a green suite meaningful. Commands live in root [AGENTS.md](../AGENTS.md); linked RFCs carry the rationale. ## Tiers -- **Unit** (`pnpm run test`): vitest over `packages|examples/*/tests/**/*.spec.ts`, colocated with what they test. Every registry gets an HMR-safety test (dispose the contributing fiber, assert cleanup). Excessive tests are welcome — err toward covering edge cases, error paths, event ordering, and concurrency races; review findings get regression tests (see `packages/core/agent-loop/tests/review-fixes.spec.ts`). +- **Unit** (`pnpm run test`): vitest over `packages|examples/*/tests/**/*.spec.ts`, colocated with what they test. Every registry gets an HMR-safety test (dispose the contributing fiber, assert cleanup). Prefer edge cases, error paths, event ordering, and concurrency races; review findings get regression tests (see `packages/core/agent-loop/tests/review-fixes.spec.ts`). - **Coverage gate** (`pnpm run test:coverage`): the gating run, per-file 100% on `packages/*/*/src`. An uncovered line is often dead code the gate is correctly flagging for deletion, not a missing test to bolt on. Line coverage is necessary, never sufficient — it proves lines ran, not that the feature works as shipped. - **Real-API e2e** (`pnpm run test:e2e`): with-key tests against live provider APIs — the DeepSeek model plus provider-specific smokes that gate on their own keys (`EXA_API_KEY`, `PERPLEXITY_API_KEY`, …); each suite self-skips without its key so keyless CI stays green ([real-API e2e RFC](rfc/implemented/testing/2026-06-19-real-api-e2e-ci.md)). -- **Snapshot** (`pnpm run test:snapshot`): boots the real example subprocess, replays a recorded session keyless, diffs normalized stdout + the re-persisted log against committed goldens ([snapshot RFC](rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md)). Re-record with `pnpm run test:snapshot:record`; reviewing the golden diff is part of the review. +- **Snapshot** (`pnpm run test:snapshot`): boots the real example subprocess, replays a recorded session keyless, diffs normalized stdout + the re-persisted log against committed goldens ([snapshot RFC](rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md)). Use `pnpm run test:snapshot:record` when the model transcript should change; use `pnpm run test:snapshot:refresh` when the committed transcript is still the right mock LLM input and replay goldens need keyless rewrite. Review the golden diff. System-prompt/tool-schema content is pinned by ONE scenario (`text-turn`) and tokenized in every other fixture, so a prompt or schema edit churns one committed line ([pinned-header RFC](rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)). ## The with-key policy: inference is cheap here -We are DeepSeek — do not ration real-API tests. A no-key test proves the plumbing; only a with-key run proves the agent works against a real model. Write many: real prompts that write files, multi-turn conversations, tool use, cancellation mid-stream. Cheapest and highest-value are **smoke tests** that boot the real example, send one real prompt, and check the world — they catch the "green unit tests, broken product" class that mocks structurally cannot ([postmortem 0001](postmortem/0001-acp-default-export-drops-inject.md)). The self-skip exists only so secretless CI and keyless contributors aren't blocked; it is not a cost signal. Every example ships a keyless smoke and — unless keyless-by-nature — a with-key smoke ([examples/AGENTS.md](../examples/AGENTS.md)). +We are DeepSeek — do not ration real-API tests. A no-key test proves plumbing; only a with-key run proves the agent works against a real model. Write many: file-writing prompts, multi-turn conversations, tool use, cancellation mid-stream. Highest-value are **smoke tests** that boot the real example, send one real prompt, and check the world — they catch the "green unit tests, broken product" class that mocks structurally cannot ([postmortem 0001](postmortem/0001-acp-default-export-drops-inject.md)). The self-skip exists only so secretless CI and keyless contributors aren't blocked; it is not a cost signal. Every example ships a keyless smoke and — unless keyless-by-nature — a with-key smoke ([examples/AGENTS.md](../examples/AGENTS.md)). ## Prefer the real implementation over a mock @@ -25,9 +25,9 @@ An e2e assertion re-runs the command or re-reads the file externally; a keyword - A plugin shipped via `cordis.yml` needs at least one test through the REAL Loader path: hand-built `ctx.plugin({...})` mounts bypass `unwrapExports` and cannot catch a broken export shape ([postmortem 0001](postmortem/0001-acp-default-export-drops-inject.md); export-shape rules in [packages/AGENTS.md](../packages/AGENTS.md)). - A guard only guards if the regression actually fails it. For a plugin without `inject` (bundle/composition plugins), a Loader smoke stays green under a broken export shape — add an explicit `expect('default' in mod).toBe(false)` plus an `unwrapExports` round-trip assertion, and prove it: introduce the regression, watch red, revert. -- "Real entry path" means the published artifact: the package `bin` points at built `lib/bin.js` under plain `node`, which tsx masks (settle races, module resolution, a swallowed load failure exiting 0). Keep the built-bin smokes green (`packages/ui/*/tests/built-bin.e2e.ts`), and assert a genuinely-missing config exits non-zero. +- "Real entry path" means the published artifact: the package `bin` points at built `lib/bin.js` under plain `node`, which tsx masks (settle races, module resolution, a swallowed load failure exiting 0). The same applies to any non-index runtime entry the built package resolves at run time (the worker-thread runtime's sibling `lib/worker.js`). Keep the built-artifact smokes green (`packages/ui/*/tests/built-bin.e2e.ts`, `packages/code-runtime/code-runtime-worker/tests/built-lib.e2e.ts`), and assert a genuinely-missing config exits non-zero. - An e2e that spawns an example from a temp cwd sets `TSX_TSCONFIG_PATH` to the repo-root tsconfig, or it silently falls back to stale built `lib/` ([examples/AGENTS.md](../examples/AGENTS.md)). ## When a snapshot test is required -Any change affecting the editor-facing transcript or end-to-end agent UX — the ACP bridge, the loop's observable output, tool presentation — adds or updates a scenario under `examples/acp-agent/tests/snapshots/` (or states in the PR why none applies). New capability seams, lifecycle shapes, or transcript surfaces name their coverage at every tier at plan time and verify the harness can express it — a harness gap is scheduled work, not a mid-build surprise. +Any change affecting the editor-facing transcript or end-to-end agent UX — the ACP bridge, the loop's observable output, tool presentation — adds or updates a scenario in the owning example's snapshot suite (`examples/<name>/tests/snapshots/`, a scenario table over the [`dsh-acp-snapshot`](../packages/support/acp-snapshot/README.md) suite factory; `examples/acp-agent` is the primary suite), or states in the PR why none applies. New capability seams, lifecycle shapes, or transcript surfaces name their coverage at every tier at plan time and verify the harness can express it — a harness gap is scheduled work, not a mid-build surprise. diff --git a/docs/tool-catalog.md b/docs/tool-catalog.md new file mode 100644 index 0000000000..7713c1f278 --- /dev/null +++ b/docs/tool-catalog.md @@ -0,0 +1,604 @@ +<!-- Generated by scripts/gen-tool-catalog.ts — do not edit by hand. + Run `pnpm run gen-tool-catalog` to regenerate. --> + +# Tool Schema Catalog + +Every model-facing tool a shipped plugin contributes to `ctx.tools`: the `name`, `description`, and JSON-Schema `parameters` the model receives via the system-prompt assembly. It complements the cordis [events](cordis-catalog/events.md) & [services](cordis-catalog/services.md) catalogs (the wiring a plugin listens to and calls) and [core-data-structures/](core-data-structures/core.md) (the types those signatures move) — this page is the *tools* the agent is offered. + +This file is GENERATED and verified fresh by `pnpm run verify-tool-catalog` (part of `doc-sync`) — do not edit it by hand. Unlike the cordis catalog (a pure source-AST pass), this generator BOOTS each tool plugin on a real context and reads `ctx.tools.schemas()`, because a tool schema is not statically knowable (runtime-spread enums, concatenated descriptions, config-driven names, raw-JSON-Schema MCP tools). A completeness guard globs `packages/*/tool-*` and fails if any package is missing from the generator's boot manifest, so a new tool cannot be silently undocumented. See [the tool-schema-catalog RFC](rfc/implemented/process/2026-07-02-tool-schema-catalog.md). + +Scope: shipped product tools under `packages/*/tool-*`, each booted with its DEFAULT config. The registered tool NAME can be a load-time config (e.g. `tool-subagent`'s `toolName`), so a deployment may surface a package under a different or additional name — a per-package note records those shipped aliases where they exist. The `examples/` demo tools (e.g. `echo`) are excluded, matching the cordis catalog's packages-only scope. + +## Tool Package Map + +This table connects model-visible tool names to the plugin package and service seams behind them. Exact JSON Schemas follow in the package sections below. + +| Tool package | Model-visible names | Requires | Writes / affects | Shipped aliases | Deployment note | +| --- | --- | --- | --- | --- | --- | +| `@deepseek-ai/dsh-tool-ask-user` | `ask_user_question` | `ctx.tools`, `ctx.userInteraction` | `tool/call`, `tool/result after a UI/provider answers the question` | - | ask_user_question pauses the tool call until the active UI provider returns a human answer. | +| `@deepseek-ai/dsh-tools` | `run_code` | `ctx.tools`, `ctx.codeRuntime (execution time)`, `ctx.systemPrompt` | `tool/call`, `one tool/code-dispatch per bridged sub-call`, `tool/result` | - | Registered by the tool registry itself under `mode: code` / `mode: both` (see the Code Mode RFC). Under `code` it is the ONLY wire tool; the other registered tools are declared to the model as a generated TypeScript SDK prompt section instead, and a program calls them through port-bridged bindings that dispatch through the ordinary tools/pre-execute → tools/post-execute pipeline, one at a time. | +| `@deepseek-ai/dsh-tool-bash` | `bash`, `bash_kill`, `bash_output` | `ctx.tools`, `ctx.bash` | `tool/call`, `tool/result`, `context/message via agent.inject() for background completion notices` | - | The bash/bash_output/bash_kill tools are model-facing consumers of the bash executor seam. | +| `@deepseek-ai/dsh-tool-cordis` | `cordis_inspect`, `cordis_mount`, `cordis_unmount` | `ctx.tools` | `tool/call`, `tool/result`, `live plugin-tree mutations (mount/unmount)` | - | Ships in examples/cordis-agent only (a deliberate opt-in — mounted code gets the real ctx, see docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md). Plugins the model mounts may register ADDITIONAL model-visible tools at runtime; the request-header ToolsDelta logs those tool-set changes. | +| `@deepseek-ai/dsh-tool-fs` | `edit`, `read`, `write` | `ctx.tools`, `ctx.fs`, `ctx.systemPrompt` | `tool/call`, `fs/write-intent or fs/edit-intent for mutations`, `fs/observed after successful file operations`, `tool/result` | - | The read-before-write/edit policy is added by `@deepseek-ai/dsh-fs-policy` (an `fs/*` event-gate plugin, no schema change); a deployment that loads these tools is expected to also load it. The tool schemas above are identical with or without the policy plugin. | +| `@deepseek-ai/dsh-tool-skill` | `skill` | `ctx.tools`, `ctx.skills` | `tool/call`, `tool/result` | - | - | +| `@deepseek-ai/dsh-tool-subagent` | `subagent` | `ctx.tools`, `ctx.subagents` | `tool/call`, `tool/result`, `child session events through the chosen provider` | `subagent`, `subagent_fork` | The registered tool name is the load-time `toolName` config (default `subagent`); the schema above is that default. The shipped example agents load this package once per subagent backend, so the model additionally sees `subagent_fork` (bound to the fork backend) with an identical schema — see `examples/coding-agent/cordis.yml` and `examples/acp-agent/cordis.yml`. | +| `@deepseek-ai/dsh-tool-todo` | `todo_write` | `ctx.tools`, `owning Agent session` | `tool/call`, `todo/write`, `tool/result` | - | todo_write is session-owned state; UIs render the latest todo/write event as a checklist or ACP plan. | +| `@deepseek-ai/dsh-tool-workflow` | `workflow` | `ctx.tools`, `ctx.workflows`, `ctx.systemPrompt`, `a calling Agent (exec.agent parents the script children)` | `tool/call`, `tool/result` | - | - | +| `@deepseek-ai/dsh-tool-web` | `web_fetch`, `web_search` | `ctx.tools`, `ctx.web`, `ctx.systemPrompt` | `tool/call`, `tool/result` | - | web_search and web_fetch keep provider selection behind ctx.web so model-visible schemas stay stable across backend swaps. | + +## `@deepseek-ai/dsh-tool-ask-user` + +### `ask_user_question` + +Ask the user a concise question when you need confirmation, a choice, or missing information before proceeding. Send one or more questions, each with a stable id that will be echoed in the answer. + +```json +{ + "type": "object", + "properties": { + "questions": { + "type": "array", + "description": "Questions to ask the user before continuing.", + "items": { + "type": "object", + "properties": { + "id": { + "type": "string", + "description": "Stable id for this question; echoed in the answer." + }, + "question": { + "type": "string", + "description": "The specific question to ask the user." + }, + "header": { + "type": "string", + "description": "Optional short heading for the question, such as \"Confirm\" or \"Choose Mode\"." + }, + "options": { + "type": "array", + "description": "Optional choices to show the user. If you recommend one, put it first and append \"(Recommended)\" to that label.", + "items": { + "type": "object", + "properties": { + "label": { + "type": "string", + "description": "Short user-facing option label." + }, + "description": { + "type": "string", + "description": "One sentence explaining the tradeoff or impact." + } + }, + "required": [ + "label" + ] + } + }, + "multi_select": { + "type": "boolean", + "description": "Whether the user may select more than one option. Defaults to false." + } + }, + "required": [ + "id", + "question" + ] + } + } + }, + "required": [ + "questions" + ] +} +``` + +Source: [`packages/ui/tool-ask-user/src/index.ts`](../packages/ui/tool-ask-user/src/index.ts) + +ask_user_question pauses the tool call until the active UI provider returns a human answer. + +## `@deepseek-ai/dsh-tools` + +### `run_code` + +Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it. + +```json +{ + "type": "object", + "properties": { + "code": { + "type": "string", + "description": "The program: the body of an async TypeScript function." + } + }, + "required": [ + "code" + ] +} +``` + +Source: [`packages/core/tools/src/code-mode.ts`](../packages/core/tools/src/code-mode.ts) + +Registered by the tool registry itself under `mode: code` / `mode: both` (see the Code Mode RFC). Under `code` it is the ONLY wire tool; the other registered tools are declared to the model as a generated TypeScript SDK prompt section instead, and a program calls them through port-bridged bindings that dispatch through the ordinary tools/pre-execute → tools/post-execute pipeline, one at a time. + +## `@deepseek-ai/dsh-tool-bash` + +### `bash` + +Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under <mode> mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. + +```json +{ + "type": "object", + "properties": { + "command": { + "type": "string", + "description": "The bash command to execute." + }, + "description": { + "type": "string", + "description": "Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"." + }, + "timeoutMs": { + "type": "number", + "description": "Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry." + }, + "workdir": { + "type": "string", + "description": "Working directory for this command. Defaults to the session workspace; a relative path is resolved against it." + }, + "run_in_background": { + "type": "boolean", + "description": "Run in the background and return a task id immediately. No timeout applies." + } + }, + "required": [ + "command", + "description" + ] +} +``` + +Source: [`packages/bash/tool-bash/src/index.ts`](../packages/bash/tool-bash/src/index.ts) + +### `bash_kill` + +Ask the executor to kill a running background bash task by task id. + +```json +{ + "type": "object", + "properties": { + "task_id": { + "type": "string", + "description": "Task id returned by the bash tool." + } + }, + "required": [ + "task_id" + ] +} +``` + +Source: [`packages/bash/tool-bash/src/index.ts`](../packages/bash/tool-bash/src/index.ts) + +### `bash_output` + +Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. + +```json +{ + "type": "object", + "properties": { + "task_id": { + "type": "string", + "description": "Task id returned by the bash tool." + } + }, + "required": [ + "task_id" + ] +} +``` + +Source: [`packages/bash/tool-bash/src/index.ts`](../packages/bash/tool-bash/src/index.ts) + +The bash/bash_output/bash_kill tools are model-facing consumers of the bash executor seam. + +## `@deepseek-ai/dsh-tool-cordis` + +### `cordis_inspect` + +Inspect the live cordis runtime that is running THIS agent. Read-only. Sections: `services` (every provided ctx service and the plugin fiber that owns it), `plugins` (a flat list of the loaded plugins with their lifecycle states), `tools` (the model-facing tools currently registered, i.e. what you can call), `dynamic` (plugins you mounted via cordis_mount: id, name, state, provided services, awaited services), `api` (method signatures AND argument/return type shapes for every LIVE service — read this before writing plugin code that calls a service), `events` (every harness event with its dispatch mode and exact signature — pick listener targets here). Omit `what` to get all six sections. + +```json +{ + "type": "object", + "properties": { + "what": { + "type": "string", + "description": "Limit the report to one section. Omit for all sections.", + "enum": [ + "services", + "plugins", + "tools", + "dynamic", + "api", + "events" + ] + } + } +} +``` + +Source: [`packages/cordis/tool-cordis/src/index.ts`](../packages/cordis/tool-cordis/src/index.ts) + +### `cordis_mount` + +Mount a NEW cordis plugin into the live runtime that is running THIS agent (self-modification). `code` runs as the body of an async JavaScript function in an isolated sandbox and MUST `return` a plugin. Two forms: FUNCTION form `return (ctx) => { … }` — declares no inject, so it can register tools, listen to events, and provide services, but reaching ANY service (e.g. ctx.bash) throws; use it only when you need no services. OBJECT form `return { name?, inject: ['bash', 'llm', …], apply(ctx) { … } }` — declares dependencies, and cordis activates the plugin only after the services exist; PREFER this form. You may reach ONLY the services you list in inject: an undeclared service throws even if it exists, because an undeclared dependency would not be cleaned up if its provider is unmounted. BEFORE calling a service from your code, read cordis_inspect what:"api" — it lists method signatures AND the type shapes of their arguments/returns (do not guess a field's type; e.g. a bash run's stdout is an object, not a string). Inside `apply`, use the standard cordis API: `ctx.on(event, listener)` to observe events (see cordis_inspect what:"events"), or call `harness.registerTool(ctx, harness.defineTool({ name, description, parameters: { text: { type: 'string', required: true } }, async execute(args) { … } }))` to give yourself a new tool — it becomes callable on your NEXT step. Tool parameters: each key IS a property — { type: 'string'|'number'|'boolean'|'object'|'array', required?: true, description?, enum?, items?, properties? }; a JSON-Schema-style { type: 'object', properties, required: […] } wrapper and type 'integer' are also accepted and normalized. A tool's `execute` MUST return an ARRAY of content blocks, e.g. `return [{ type: 'text', text: someString }]` — never a bare string. Mounts can COMPOSE: one plugin may `ctx.provide('name', value)` a service and another may declare `inject: ['name']` to consume it — the consumer stays pending until the provider exists and returns to pending when the provider is unmounted. Everything registered inside `apply` is cleaned up automatically on unmount. Sandbox globals: `console` (tagged `[cordis:<id>]`, writes through to the harness terminal), `harness.defineTool`, `harness.registerTool`, `btoa`, `atob`, `TextEncoder`, `TextDecoder`. Node APIs are DISABLED — do filesystem/network/timer work through the cordis services, never Node built-ins: `require`, `setTimeout`/`setInterval`, and `fetch` throw redirect errors; `process` and `Buffer` are undefined. Instead use inject: ['fs'] + ctx.fs for files, inject: ['web'] + ctx.web for HTTP, inject: ['bash'] + ctx.bash for processes, and inject: ['timer'] + ctx.setTimeout/ctx.setInterval for timing (fiber effects, auto-cleaned on unmount) — cordis_inspect what:"api" shows what THIS runtime provides. Write PLAIN JavaScript, not TypeScript (no `as`, no type annotations). Cautions: (1) waterfall events (e.g. tools/pre-execute) hand the listener a trailing `next` callback which MUST be called — returning without `next()` VETOES the call; prefer plain notification events unless you intend to intercept. (2) Never await something that only resolves after the current turn (your code runs INSIDE a tool call of that turn — it would deadlock). (3) Your `ctx` is a restricted façade: you can register tools, observe events, provide/consume services, and use timers, but framework internals (ctx.root, ctx.fiber, ctx.extend, ctx.plugin, …) are withheld. It is not a security boundary though — the services you inject (e.g. ctx.bash) reach the real runtime. + +```json +{ + "type": "object", + "properties": { + "code": { + "type": "string", + "description": "Body of an async JS function; must `return` the plugin to mount." + } + }, + "required": [ + "code" + ] +} +``` + +Source: [`packages/cordis/tool-cordis/src/index.ts`](../packages/cordis/tool-cordis/src/index.ts) + +### `cordis_unmount` + +Dispose a plugin previously mounted with cordis_mount, by id. All its registrations (event listeners, tools, services) are cleaned up through the cordis effect lifecycle. Returns only after disposal has fully completed (quiescence, not just a request to stop). + +```json +{ + "type": "object", + "properties": { + "id": { + "type": "string", + "description": "The dynamic mount id returned by cordis_mount (e.g. \"dyn-1\")." + } + }, + "required": [ + "id" + ] +} +``` + +Source: [`packages/cordis/tool-cordis/src/index.ts`](../packages/cordis/tool-cordis/src/index.ts) + +Ships in examples/cordis-agent only (a deliberate opt-in — mounted code gets the real ctx, see docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md). Plugins the model mounts may register ADDITIONAL model-visible tools at runtime; the request-header ToolsDelta logs those tool-set changes. + +## `@deepseek-ai/dsh-tool-fs` + +### `edit` + +Edit an existing UTF-8 text file by replacing literal text. + +```json +{ + "type": "object", + "properties": { + "file_path": { + "type": "string", + "description": "Path to edit, resolved by the filesystem backend." + }, + "old_string": { + "type": "string", + "description": "Literal text to replace. Must match exactly." + }, + "new_string": { + "type": "string", + "description": "Literal replacement text. Use an empty string to delete the match." + }, + "replace_all": { + "type": "boolean", + "description": "Replace all matches. Defaults to false; when false, old_string must appear exactly once." + } + }, + "required": [ + "file_path", + "old_string", + "new_string" + ] +} +``` + +Source: [`packages/fs/tool-fs/src/index.ts`](../packages/fs/tool-fs/src/index.ts) + +### `read` + +Read a UTF-8 text file and return line-numbered content. + +```json +{ + "type": "object", + "properties": { + "file_path": { + "type": "string", + "description": "Path to read, resolved by the filesystem backend." + }, + "offset": { + "type": "number", + "description": "1-based first line to return. Defaults to 1." + }, + "limit": { + "type": "number", + "description": "Maximum number of lines to return. Defaults to 2000." + } + }, + "required": [ + "file_path" + ] +} +``` + +Source: [`packages/fs/tool-fs/src/index.ts`](../packages/fs/tool-fs/src/index.ts) + +### `write` + +Create or fully replace a UTF-8 text file. + +```json +{ + "type": "object", + "properties": { + "file_path": { + "type": "string", + "description": "Path to write, resolved by the filesystem backend." + }, + "content": { + "type": "string", + "description": "Full UTF-8 text content to write." + } + }, + "required": [ + "file_path", + "content" + ] +} +``` + +Source: [`packages/fs/tool-fs/src/index.ts`](../packages/fs/tool-fs/src/index.ts) + +The read-before-write/edit policy is added by `@deepseek-ai/dsh-fs-policy` (an `fs/*` event-gate plugin, no schema change); a deployment that loads these tools is expected to also load it. The tool schemas above are identical with or without the policy plugin. + +## `@deepseek-ai/dsh-tool-skill` + +### `skill` + +Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill. + +```json +{ + "type": "object", + "properties": { + "name": { + "type": "string", + "description": "The exact skill name from the available skills list." + } + }, + "required": [ + "name" + ] +} +``` + +Source: [`packages/skill/tool-skill/src/index.ts`](../packages/skill/tool-skill/src/index.ts) + +## `@deepseek-ai/dsh-tool-subagent` + +### `subagent` + +Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. + +```json +{ + "type": "object", + "properties": { + "description": { + "type": "string", + "description": "A short (3-5 word) description of the delegated task, for display." + }, + "prompt": { + "type": "string", + "description": "The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs." + } + }, + "required": [ + "description", + "prompt" + ] +} +``` + +Source: [`packages/subagent/tool-subagent/src/index.ts`](../packages/subagent/tool-subagent/src/index.ts) + +The registered tool name is the load-time `toolName` config (default `subagent`); the schema above is that default. The shipped example agents load this package once per subagent backend, so the model additionally sees `subagent_fork` (bound to the fork backend) with an identical schema — see `examples/coding-agent/cordis.yml` and `examples/acp-agent/cordis.yml`. + +## `@deepseek-ai/dsh-tool-todo` + +### `todo_write` + +Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). + +```json +{ + "type": "object", + "properties": { + "todos": { + "type": "array", + "description": "The COMPLETE task list, replacing any previous list.", + "items": { + "type": "object", + "properties": { + "content": { + "type": "string", + "description": "What the task is — a short imperative line." + }, + "status": { + "type": "string", + "description": "pending (not started) | in_progress (now) | completed (done).", + "enum": [ + "pending", + "in_progress", + "completed" + ] + } + }, + "required": [ + "content", + "status" + ] + } + } + }, + "required": [ + "todos" + ] +} +``` + +Source: [`packages/todo/tool-todo/src/index.ts`](../packages/todo/tool-todo/src/index.ts) + +todo_write is session-owned state; UIs render the latest todo/write event as a checklist or ACP plan. + +## `@deepseek-ai/dsh-tool-workflow` + +### `workflow` + +Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. + +The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return <value>` — the value must be JSON-serializable and is this tool's result. + +Script-body hooks: +- `agent(prompt, opts?): Promise<any>` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. +- `pipeline(items, ...stages): Promise<any[]>` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. +- `parallel(thunks): Promise<any[]>` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. +- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. + +Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. + +Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. + +```json +{ + "type": "object", + "properties": { + "script": { + "type": "string", + "description": "The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return <json-value>`)." + }, + "meta": { + "type": "object", + "description": "The workflow identity block (plain JSON — never code).", + "properties": { + "name": { + "type": "string", + "description": "Short kebab-case workflow name." + }, + "description": { + "type": "string", + "description": "One-line description of what the workflow does." + }, + "whenToUse": { + "type": "string", + "description": "Optional guidance on when this workflow applies." + }, + "phases": { + "type": "array", + "description": "Optional phase declarations matched by phase() calls.", + "items": { + "type": "object", + "properties": { + "title": { + "type": "string", + "description": "The phase title phase() calls match by exact string." + }, + "detail": { + "type": "string", + "description": "Optional one-line description of the phase." + }, + "model": { + "type": "string", + "description": "Optional model override this phase is expected to use." + } + }, + "required": [ + "title" + ] + } + } + }, + "required": [ + "name", + "description" + ] + }, + "args": { + "type": "object", + "description": "Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {\"files\": [...]})." + } + }, + "required": [ + "script", + "meta" + ] +} +``` + +Source: [`packages/workflow/tool-workflow/src/index.ts`](../packages/workflow/tool-workflow/src/index.ts) + +## `@deepseek-ai/dsh-tool-web` + +### `web_fetch` + +Fetch the content of a specific HTTP(S) URL and return it decoded to text. + +```json +{ + "type": "object", + "properties": { + "url": { + "type": "string", + "description": "The HTTP(S) URL to fetch." + } + }, + "required": [ + "url" + ] +} +``` + +Source: [`packages/web/tool-web/src/index.ts`](../packages/web/tool-web/src/index.ts) + +### `web_search` + +Search the web for current information. Returns an optional summary answer and a list of source URLs. + +```json +{ + "type": "object", + "properties": { + "query": { + "type": "string", + "description": "The search query." + } + }, + "required": [ + "query" + ] +} +``` + +Source: [`packages/web/tool-web/src/index.ts`](../packages/web/tool-web/src/index.ts) + +web_search and web_fetch keep provider selection behind ctx.web so model-visible schemas stay stable across backend swaps. diff --git a/docs/tool-catalog/tools.md b/docs/tool-catalog/tools.md deleted file mode 100644 index 5b81b9d9d7..0000000000 --- a/docs/tool-catalog/tools.md +++ /dev/null @@ -1,309 +0,0 @@ -<!-- Generated by scripts/gen-tool-catalog.ts — do not edit by hand. - Run `pnpm run gen-tool-catalog` to regenerate. --> - -# Tool Schema Catalog - -Every model-facing tool a shipped plugin contributes to `ctx.tools`: the `name`, `description`, and JSON-Schema `parameters` the model receives via the system-prompt assembly. It complements the [cordis events & services catalog](../cordis-catalog/events-and-services.md) (the wiring a plugin listens to and calls) and [core-data-structures/](../core-data-structures/core.md) (the types those signatures move) — this page is the *tools* the agent is offered. - -This file is GENERATED and verified fresh by `pnpm run verify-tool-catalog` (part of `doc-sync`) — do not edit it by hand. Unlike the cordis catalog (a pure source-AST pass), this generator BOOTS each tool plugin on a real context and reads `ctx.tools.schemas()`, because a tool schema is not statically knowable (runtime-spread enums, concatenated descriptions, config-driven names, raw-JSON-Schema MCP tools). A completeness guard globs `packages/*/tool-*` and fails if any package is missing from the generator's boot manifest, so a new tool cannot be silently undocumented. See [the tool-schema-catalog RFC](../rfc/implemented/process/2026-07-02-tool-schema-catalog.md). - -Scope: shipped product tools under `packages/*/tool-*`, each booted with its DEFAULT config. The registered tool NAME can be a load-time config (e.g. `tool-subagent`'s `toolName`), so a deployment may surface a package under a different or additional name — a per-package note records those shipped aliases where they exist. The `examples/` demo tools (e.g. `echo`) are excluded, matching the cordis catalog's packages-only scope. - -## `@deepseek-ai/dsh-tool-bash` - -### `bash` - -Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. - -```json -{ - "type": "object", - "properties": { - "command": { - "type": "string", - "description": "The bash command to execute." - }, - "description": { - "type": "string", - "description": "Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"." - }, - "timeoutMs": { - "type": "number", - "description": "Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry." - }, - "workdir": { - "type": "string", - "description": "Working directory for this command. Defaults to the session workspace; a relative path is resolved against it." - }, - "run_in_background": { - "type": "boolean", - "description": "Run in the background and return a task id immediately. No timeout applies." - } - }, - "required": [ - "command", - "description" - ] -} -``` - -Source: [`packages/bash/tool-bash/src/index.ts`](../../packages/bash/tool-bash/src/index.ts) - -### `bash_kill` - -Ask the executor to kill a running background bash task by task id. - -```json -{ - "type": "object", - "properties": { - "task_id": { - "type": "string", - "description": "Task id returned by the bash tool." - } - }, - "required": [ - "task_id" - ] -} -``` - -Source: [`packages/bash/tool-bash/src/index.ts`](../../packages/bash/tool-bash/src/index.ts) - -### `bash_output` - -Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. - -```json -{ - "type": "object", - "properties": { - "task_id": { - "type": "string", - "description": "Task id returned by the bash tool." - } - }, - "required": [ - "task_id" - ] -} -``` - -Source: [`packages/bash/tool-bash/src/index.ts`](../../packages/bash/tool-bash/src/index.ts) - -## `@deepseek-ai/dsh-tool-fs` - -### `edit` - -Edit an existing UTF-8 text file by replacing literal text. - -```json -{ - "type": "object", - "properties": { - "file_path": { - "type": "string", - "description": "Path to edit, resolved by the filesystem backend." - }, - "old_string": { - "type": "string", - "description": "Literal text to replace. Must match exactly." - }, - "new_string": { - "type": "string", - "description": "Literal replacement text. Use an empty string to delete the match." - }, - "replace_all": { - "type": "boolean", - "description": "Replace all matches. Defaults to false; when false, old_string must appear exactly once." - } - }, - "required": [ - "file_path", - "old_string", - "new_string" - ] -} -``` - -Source: [`packages/fs/tool-fs/src/index.ts`](../../packages/fs/tool-fs/src/index.ts) - -### `read` - -Read a UTF-8 text file and return line-numbered content. - -```json -{ - "type": "object", - "properties": { - "file_path": { - "type": "string", - "description": "Path to read, resolved by the filesystem backend." - }, - "offset": { - "type": "number", - "description": "1-based first line to return. Defaults to 1." - }, - "limit": { - "type": "number", - "description": "Maximum number of lines to return. Defaults to 2000." - } - }, - "required": [ - "file_path" - ] -} -``` - -Source: [`packages/fs/tool-fs/src/index.ts`](../../packages/fs/tool-fs/src/index.ts) - -### `write` - -Create or fully replace a UTF-8 text file. - -```json -{ - "type": "object", - "properties": { - "file_path": { - "type": "string", - "description": "Path to write, resolved by the filesystem backend." - }, - "content": { - "type": "string", - "description": "Full UTF-8 text content to write." - } - }, - "required": [ - "file_path", - "content" - ] -} -``` - -Source: [`packages/fs/tool-fs/src/index.ts`](../../packages/fs/tool-fs/src/index.ts) - -The read-before-write/edit policy is added by `@deepseek-ai/dsh-fs-policy` (an `fs/*` event-gate plugin, no schema change); a deployment that loads these tools is expected to also load it. The tool schemas above are identical with or without the policy plugin. - -## `@deepseek-ai/dsh-tool-subagent` - -### `subagent` - -Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. - -```json -{ - "type": "object", - "properties": { - "description": { - "type": "string", - "description": "A short (3-5 word) description of the delegated task, for display." - }, - "prompt": { - "type": "string", - "description": "The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs." - } - }, - "required": [ - "description", - "prompt" - ] -} -``` - -Source: [`packages/subagent/tool-subagent/src/index.ts`](../../packages/subagent/tool-subagent/src/index.ts) - -The registered tool name is the load-time `toolName` config (default `subagent`); the schema above is that default. The shipped example agents load this package once per subagent backend, so the model additionally sees `subagent_fork` (bound to the fork backend) with an identical schema — see `examples/coding-agent/cordis.yml` and `examples/acp-agent/cordis.yml`. - -## `@deepseek-ai/dsh-tool-todo` - -### `todo_write` - -Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). - -```json -{ - "type": "object", - "properties": { - "todos": { - "type": "array", - "description": "The COMPLETE task list, replacing any previous list.", - "items": { - "type": "object", - "properties": { - "content": { - "type": "string", - "description": "What the task is — a short imperative line." - }, - "status": { - "type": "string", - "description": "pending (not started) | in_progress (now) | completed (done).", - "enum": [ - "pending", - "in_progress", - "completed" - ] - } - }, - "required": [ - "content", - "status" - ] - } - } - }, - "required": [ - "todos" - ] -} -``` - -Source: [`packages/todo/tool-todo/src/index.ts`](../../packages/todo/tool-todo/src/index.ts) - -## `@deepseek-ai/dsh-tool-web` - -### `web_fetch` - -Fetch the content of a specific HTTP(S) URL and return it decoded to text. - -```json -{ - "type": "object", - "properties": { - "url": { - "type": "string", - "description": "The HTTP(S) URL to fetch." - }, - "timeout_ms": { - "type": "number", - "description": "Optional fetch timeout in milliseconds (capped by the provider)." - } - }, - "required": [ - "url" - ] -} -``` - -Source: [`packages/web/tool-web/src/index.ts`](../../packages/web/tool-web/src/index.ts) - -### `web_search` - -Search the web for current information. Returns an optional summary answer and a list of source URLs. - -```json -{ - "type": "object", - "properties": { - "query": { - "type": "string", - "description": "The search query." - } - }, - "required": [ - "query" - ] -} -``` - -Source: [`packages/web/tool-web/src/index.ts`](../../packages/web/tool-web/src/index.ts) diff --git a/docs/tool-execution-pipeline.md b/docs/tool-execution-pipeline.md new file mode 100644 index 0000000000..28eee043c4 --- /dev/null +++ b/docs/tool-execution-pipeline.md @@ -0,0 +1,46 @@ +<!-- Generated by scripts/gen-doc-graphs.ts - do not edit by hand. + Run `pnpm run gen-doc-graphs` to regenerate. --> + +# Tool Execution Pipeline + +This graph shows where policy, hooks, sandboxing, filesystem guards, result rewriting, and UI rendering fit without changing the loop. The key extension points are the `tools/pre-execute`, `tools/execute`, and `tools/post-execute` waterfalls. + +```mermaid +flowchart TD + model["Assistant message contains tool-call block"] + toolCall["Session event: <code>tool/call</code><br/>logged before execution"] + presentCall["UI pending card<br/>presentCall(args)"] + pre["<code>tools/pre-execute</code> waterfall<br/>hooks, permission, sandbox"] + denied["denied<br/>tool body skipped"] + approval["<code>ctx.approval</code> one-shot prompt<br/>absent or unanswerable: deny"] + around["<code>tools/execute</code> waterfall<br/>timeout, retry, metrics (around dispatch)"] + toolBody["Registered tool execute() body"] + fsGate["<code>fs/write-intent</code> or <code>fs/edit-intent</code><br/>tool-fs mutations only"] + owned["Tool-owned session events<br/><code>todo/write</code>, <code>fs/observed</code>, <code>hook/invoked</code>, <code>hook/result</code>, <code>tool/code-dispatch</code>"] + post["<code>tools/post-execute</code> waterfall<br/>accept, block, replace, add context"] + context["Buffered additionalContext<br/>context/message after all tool results"] + toolResult["Session event: <code>tool/result</code><br/>single model-facing outcome"] + presentResult["UI completed card<br/>presentResult(args, result)"] + model --> toolCall + toolCall --> presentCall + toolCall --> pre + pre -->|allow| around + around --> toolBody + pre -->|deny| denied + pre -->|ask| approval + approval -->|allowed-once| around + approval -->|rejected, cancelled, unavailable| denied + denied --> post + toolBody --> fsGate + fsGate --> toolBody + toolBody --> owned + toolBody --> around + around --> post + post --> context + post --> toolResult + toolResult --> presentResult +``` + +Filesystem read-before-edit checks live below `tool-fs` on the `fs/*` event gate; hook bridges and the approval seam's permission prompts live on the generic pre/post tool waterfalls; and around-dispatch concerns like the tool-call timeout policy (`@deepseek-ai/dsh-timeout-policy`) wrap core dispatch on `tools/execute`. That split lets the same hooks observe bash, fs, web, todo, and subagent calls without coupling those tools to one policy service. + +Maintenance mode: curated Mermaid flow; exact tool schemas and event signatures live in generated catalogs. diff --git a/eslint.config.mjs b/eslint.config.mjs index 52236e5d64..c62d3e9739 100644 --- a/eslint.config.mjs +++ b/eslint.config.mjs @@ -21,6 +21,9 @@ export default tseslint.config( ignores: [ '**/lib/**', '**/node_modules/**', + '**/.sessions/**', + '.claude/**', // harness-local state (worktrees, skills) — other checkouts, not this one's sources + '**/.doc-typecheck-*/**', 'vendor/**', // vendored source keeps upstream style and idioms '**/*.js', '**/*.mjs', @@ -36,7 +39,14 @@ export default tseslint.config( ], languageOptions: { parserOptions: { - project: ['./packages/*/*/tsconfig.json', './tsconfig.json'], + // One shared tsserver-style project service instead of 60+ standalone + // per-package programs: the old `project` glob built every package's + // full dependency closure (sibling sources via the dev `paths` map + + // the vendored Cordis stack) as its own program and kept them all + // resident — ~5 GB peak, an OOM past node's default heap. The service + // resolves each file to its nearest owning tsconfig and shares the + // graph. + projectService: true, tsconfigRootDir: import.meta.dirname, }, }, @@ -87,7 +97,9 @@ export default tseslint.config( ], languageOptions: { parserOptions: { - project: ['./tsconfig.json'], + // Same shared project service as the src block: test files resolve + // through the root tsconfig (its include covers every tests/ tree). + projectService: true, tsconfigRootDir: import.meta.dirname, }, }, diff --git a/examples/AGENTS.md b/examples/AGENTS.md index 6c1cc717df..d54104a189 100644 --- a/examples/AGENTS.md +++ b/examples/AGENTS.md @@ -1,8 +1,8 @@ # AGENTS.md — Examples -Runnable demos that show how the harness is wired. **Examples are NOT workspaces** — each `examples/*/package.json` is a private, dependency-free stub with no build. They are booted as unbuilt `tsx` subprocesses via the cordis Loader reading a `cordis.yml`; the `@deepseek-ai/dsh-*` plugin names in those YAML files resolve through the root `tsconfig.json` `paths` map, not through `node_modules`. +Runnable demos showing how the harness is wired. **Examples are NOT workspaces** — each `examples/*/package.json` is a private, dependency-free stub, never built. They are booted as unbuilt `tsx` subprocesses via the cordis Loader reading a `cordis.yml`; the `@deepseek-ai/dsh-*` plugin names in those YAML files resolve through the root `tsconfig.json` `paths` map, not through `node_modules`. -Because examples are not under the `packages/*/src` coverage gate, an example that grows real, reusable *logic* should extract it into a `packages/` package (where it gets the per-file 100% gate and a README). Keep only example-specific glue here: the `cordis.yml` wiring, demo-only mocks/teaching artifacts, and the e2e/snapshot scenarios. There is no `start.ts` — the boot glue (Loader tail, `.env` load, snapshot-mode selection, stdin-dispose lifecycle) lives in each app package's `bin` (`@deepseek-ai/dsh-stdio-agent`, `@deepseek-ai/dsh-acp-agent`), which the `demo:*` scripts invoke against the leaf `cordis.yml`. +Because examples are not under the `packages/*/src` coverage gate, an example that grows real, reusable *logic* should extract it into a `packages/` package (where it gets the per-file 100% gate and a README). Keep only example-specific glue here: the `cordis.yml` wiring, demo-only mocks/teaching artifacts, and the e2e/snapshot scenarios. There is no `start.ts` — the boot glue lives in each app package's `bin` (`@deepseek-ai/dsh-stdio-agent`, `@deepseek-ai/dsh-acp-agent`), which the `demo:*` scripts invoke against the leaf `cordis.yml`. ## Every example ships e2e smokes (keyless + with-key) @@ -13,14 +13,16 @@ Each example must have **both** kinds of end-to-end smoke, because they catch di **Exception — keyless-by-nature examples.** An example whose model is itself a mock/deterministic stand-in (no real provider) has no meaningful with-key smoke; the keyless smoke is the complete requirement. State the exception inline in the test. -A keyless smoke that spawns the example from a temp cwd must set `TSX_TSCONFIG_PATH` to the repo-root tsconfig — the unbuilt `paths` map is found by searching UP from cwd, so a temp cwd outside the repo would otherwise fall back to stale built `lib/`. Pass `--expose-internals` when the example's `cordis.yml` loads the HMR plugin (mirror the `demo:*` script). +A keyless smoke that spawns the example from a temp cwd must set `TSX_TSCONFIG_PATH` to the repo-root tsconfig (the unbuilt `paths` map is found by searching UP from cwd), and pass `--expose-internals` when the `cordis.yml` loads the HMR plugin (mirror the `demo:*` script). ## Current state | Example | Keyless smoke | With-key smoke | |---|---|---| | `echo-agent` | `tests/echo.e2e.ts` — boots the real `cordis.yml`, drives the echo tool round-trip and the direct canned reply | **N/A — keyless by nature** (the `mock-echo` model has no real provider) | -| `coding-agent` | `tests/keyless-smoke.e2e.ts` — boots the full real tree (dummy key, no prompt → no model call), asserts banner + clean exit | `tests/{full-loop,coding-task,resume,compaction,todo-write}.e2e.ts` — real model + real bash + real todo_write, world-verified | +| `coding-agent` | `tests/keyless-smoke.e2e.ts` — boots the full real tree (dummy key, no prompt → no model call), asserts banner + clean exit; `tests/code-mode-keyless-smoke.e2e.ts` — the same boot guard for the Code Mode overlay | `tests/{full-loop,coding-task,resume,compaction,todo-write}.e2e.ts` — real model + real bash + real todo_write, world-verified; `tests/code-mode.e2e.ts` — a real model composes two bash calls in one `run_code` program; collapsed header, dispatch events, written file all verified | +| `cordis-agent` | `tests/keyless-smoke.e2e.ts` — boots the real tree incl. `@deepseek-ai/dsh-tool-cordis` by package name; the tool logic is unit-tested in `packages/cordis/tool-cordis` | `tests/cordis-tools.e2e.ts` — real model mounts a listener (tagged line fires), builds+calls its own tool, composes two mounts via provide/inject | +| `sandbox-acp-agent` | `escalation.e2e.ts` — boots the real tree (sandbox + approval + bridge) keyless: initialize + `session/new` | same file — denied → escalates → a scripted client grants (the write must land) or rejects (it must not); skips without key/runner | | `acp-agent` | `pnpm run test:snapshot` — boots the real ACP subprocess and replays a recorded session keyless (incl. the hook matrix: a scenario per hook point × outcome for BOTH the Claude and Codex bridges — block, deny, ask, context-fold, force-continue); `tests/acp.e2e.ts` also asserts stdout purity without a key | `tests/acp.e2e.ts` — real ACP prompt, verifies a file the agent wrote; `tests/hooks.e2e.ts` — a real `PreToolUse` hook blocks bash, verifies the file is NOT written | See [the root AGENTS.md](../AGENTS.md) for repo-wide conventions and [docs/architecture.md](../docs/architecture.md) for the design. diff --git a/examples/README.md b/examples/README.md index 1e3134ba2d..de7a907785 100644 --- a/examples/README.md +++ b/examples/README.md @@ -19,8 +19,22 @@ A REPL agent demo: DeepSeek V4 + the `read`/`write`/`edit` filesystem tools + th Run with: `pnpm run demo:repl` (needs `DEEPSEEK_API_KEY` in the environment or a gitignored repo-root `.env`). See [coding-agent/README.md](coding-agent/README.md) for details. +Its `code-mode.cordis.yml` overlay flips the same tree to **Code Mode**: the worker-thread code runtime is loaded and the tool registry runs `mode: code`, so the model gets exactly one wire tool — `run_code` — plus a generated TypeScript SDK section, and composes the other tools by writing a program whose output it curates. Run with: `pnpm run demo:code-mode` (the REPL is the default UI; `acp` as the argument serves the acp-agent example's same-shaped overlay instead) — see the [Code Mode section](coding-agent/README.md#code-mode) for what to try. + +## cordis-agent + +The **self-referential** demo: the coding spine plus [`@deepseek-ai/dsh-tool-cordis`](../packages/cordis/tool-cordis), whose three tools (`cordis_inspect` / `cordis_mount` / `cordis_unmount`) let the agent inspect the live cordis runtime it runs inside, mount model-written plugins into it (an event listener, a brand-new tool for itself, or a service another mount injects), and dispose them again — all dynamic mounts grouped under one `cordis-dynamic` fiber subtree. The `ctx.fs`/`ctx.web` services ride along provider-only, as the capabilities those plugins build on. + +Run with: `pnpm run demo:cordis` (needs `DEEPSEEK_API_KEY`). See [cordis-agent/README.md](cordis-agent/README.md) for the staged demo script and [the toolset RFC](../docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md) for the design and sandbox caveats. + ## acp-agent An agent demo exposed as an **Agent Client Protocol (ACP)** server over JSON-RPC stdio, via the [`@deepseek-ai/dsh-acp-agent`](../packages/ui/acp-agent) app — drive it from Zed or any other ACP client. Also the home of the keyless snapshot tests. -Run with: `pnpm run demo:acp` (needs `DEEPSEEK_API_KEY`). See [acp-agent/README.md](acp-agent/README.md) for the Zed setup and the snapshot-test design. +Run with: `pnpm run demo:acp` (needs `DEEPSEEK_API_KEY`); `pnpm run demo:code-mode acp` boots the same server in Code Mode via the `code-mode.cordis.yml` overlay. See [acp-agent/README.md](acp-agent/README.md) for the Zed setup and the snapshot-test design. + +## sandbox-acp-agent + +The coding agent with its bash executor swapped for the sandbox stack ([`@deepseek-ai/dsh-sandbox-local`](../packages/sandbox/sandbox-local) + [`@deepseek-ai/dsh-bash-sandbox`](../packages/bash/bash-sandbox) — the one-entry executor swap the `ctx.bash` capability seam exists for), served over ACP with [`@deepseek-ai/dsh-user-approval`](../packages/ui/user-approval) mounted — the first composition where the approval loop is LIVE: a sandbox denial escalated by the model becomes a `session/request_permission` prompt in the editor, and "Allow once" runs exactly that command under the wider mode. + +Run with: `pnpm run demo:sandbox-acp` (needs `DEEPSEEK_API_KEY`; bwrap, a Landlock-enforcing kernel, or macOS for confined runs). See [sandbox-acp-agent/README.md](sandbox-acp-agent/README.md). diff --git a/examples/acp-agent/README.md b/examples/acp-agent/README.md index 278ea74e53..e3d8542efd 100644 --- a/examples/acp-agent/README.md +++ b/examples/acp-agent/README.md @@ -1,12 +1,13 @@ # acp-agent example -The DeepSeek Harness agent demo exposed as an **Agent Client Protocol (ACP)** server over JSON-RPC stdio — drive it from Zed or any other ACP client. +The DeepSeek Harness SDK agent demo exposed as an **Agent Client Protocol (ACP)** server over JSON-RPC stdio — drive it from Zed or any other ACP client. ```sh pnpm run demo:acp # needs DEEPSEEK_API_KEY (repo-root .env or env) +pnpm run demo:code-mode acp # the same server in Code Mode: one wire tool, run_code ``` -This example is just a leaf `cordis.yml`: it loads the [`@deepseek-ai/dsh-acp-agent`](../../packages/ui/acp-agent) app (which bundles the [`@deepseek-ai/dsh-agent-core`](../../packages/core/agent-core) spine, JSONL session persistence, and the `@deepseek-ai/dsh-acp` bridge — with **no pre-created agents**, since ACP `session/new` creates them on demand), the swappable DeepSeek, bash, and filesystem backends, and the model-facing `read`/`write`/`edit`/`subagent`/`subagent_fork`/`todo_write` tool entries. The app package bakes in the no-stdout-logger cluster, so a leaf has no logger entry to get wrong by default — keeping stdout pure for JSON-RPC. +This example is just a leaf `cordis.yml`: it loads the [`@deepseek-ai/dsh-acp-agent`](../../packages/ui/acp-agent) app (which bundles the [`@deepseek-ai/dsh-agent-core`](../../packages/core/agent-core) spine, JSONL session persistence, and the `@deepseek-ai/dsh-acp` bridge — with **no pre-created agents**, since ACP `session/new` creates them on demand), the swappable DeepSeek, bash, and filesystem backends, the model-facing `read`/`write`/`edit`/`subagent`/`subagent_fork`/`todo_write` tool entries, and the advisory `repeat-tool-guard` loop-hygiene plugin. The app package bakes in the no-stdout-logger cluster, so a leaf has no logger entry to get wrong by default — keeping stdout pure for JSON-RPC. `demo:code-mode acp` boots the same tree through the [`code-mode.cordis.yml`](code-mode.cordis.yml) overlay — the tool surface collapses to `run_code` + the generated TypeScript SDK, dispatching through the worker-thread code runtime (see the [dsh-tools Code Mode section](../../packages/core/tools/README.md#code-mode)). ## stdout is the protocol @@ -32,8 +33,8 @@ The editor sets each session's `cwd` to the project it opens; both the agent's b ## Snapshot tests (record-once / replay-deterministic) -This example is the home of the harness's **snapshot tests** — they boot this server as a real subprocess, drive it with a deterministic input script, and diff its normalized output against committed golden files. The model is made deterministic by `@deepseek-ai/dsh-llm-replay`, a function/namespace plugin that installs an `llm/stream` waterfall listener and short-circuits it, serving model streams reconstructed from a recorded **session JSONL** fixture (`<scenario>/session.jsonl`) — so replay needs no API key. The fixture IS the persisted session log: its `assistant/chunk` events carry every `StreamChunk`, so grouping them by `(turn, step)` reconstructs each `stream()` call (one model call per loop step). Recording is therefore "run the real agent once and harvest the `.jsonl`". The two failure modes not expressible as logged chunks — a pure throw before any chunk, and cancel/hang — use an optional `<scenario>/replay.override.json` sidecar (a `ReplayEntry[]` that replaces the derived script). A scenario that needs the agent to operate on existing files ships an optional `<scenario>/workspace/` directory — the harness copies its contents into the temp cwd before the run (see `workspace-edit`). See [the ACP snapshot tests RFC](../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md) for the full design. +This example is the home of the harness's **snapshot tests** — they boot this server as a real subprocess, drive it with a deterministic input script, and diff its normalized output against committed golden files. The model is made deterministic by `@deepseek-ai/dsh-llm-replay`, a function/namespace plugin that installs an `llm/stream` waterfall listener and short-circuits it, serving model streams reconstructed from a recorded **session JSONL** fixture (`<scenario>/session.jsonl`) — so replay needs no API key. The fixture IS the persisted session log: its `assistant/chunk` events carry every `StreamChunk`, so grouping them by `(turn, step)` reconstructs each `stream()` call (one model call per loop step). Recording is therefore "run the real agent once and harvest the `.jsonl`"; use `pnpm run test:snapshot:record` when the model transcript itself should change, and `pnpm run test:snapshot:refresh` when the committed model transcript is still the right mock input and only the current replay output/goldens need to be rewritten. The two failure modes not expressible as logged chunks — a pure throw before any chunk, and cancel/hang — use an optional `<scenario>/replay.override.json` sidecar (a `ReplayEntry[]` that replaces the derived script). A scenario that needs the agent to operate on existing files ships an optional `<scenario>/workspace/` directory — the harness copies its contents into the temp cwd before the run (see `workspace-edit`). See [the ACP snapshot tests RFC](../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md) for the full design. ## MVP limitations -The bridge supports N concurrent sessions per connection, each in its own workspace `cwd` (RFC 011). Remaining limits: prompts support ACP's baseline `text` and `resource_link` blocks only, `additionalDirectories` and `mcpServers` are rejected, and the tool-permission gate is deferred (`TODO(rfc010-permission-gate)` — tools run with the executor's full authority). See `packages/ui/acp/README.md` for the full contract. +The bridge supports N concurrent sessions per connection, each in its own workspace `cwd` (RFC 011). Remaining limits: prompts support ACP's baseline `text` and `resource_link` blocks only, and `additionalDirectories` and `mcpServers` are rejected. Permission prompts (`session/request_permission`) are wired through the approval seam, but this example composes no ask-producing policy, so tools run with the executor's full authority. See `packages/ui/acp/README.md` for the full contract. diff --git a/examples/acp-agent/both-mode.cordis.snapshot.yml b/examples/acp-agent/both-mode.cordis.snapshot.yml new file mode 100644 index 0000000000..8ee54b3078 --- /dev/null +++ b/examples/acp-agent/both-mode.cordis.snapshot.yml @@ -0,0 +1,30 @@ +# Both-mode REPLAY overlay: the same patched tree as both-mode.cordis.yml +# (registry in `mode: both` + the worker code runtime) with the keyless model +# swap from cordis.snapshot.yml (llm-deepseek disabled, llm-replay serving +# the recorded fixture). Patches do not compose across nested includes — +# an outer include's patch can only target entries in the file IT loads — so +# this file patches ./cordis.yml directly with the union of both overlays. +- id: base + name: '@cordisjs/plugin-include' + config: + path: ./cordis.yml + patches: + - id: llm-deepseek + name: '@deepseek-ai/dsh-llm-deepseek' + disabled: true + - id: acp-agent + name: '@deepseek-ai/dsh-acp-agent' + config: + model: deepseek-v4-flash + persistenceRoot: !!js process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? './.sessions' + tools: + mode: both + persona: | + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. + + Verify your work by running the code or tests. Keep answers brief and factual. + - insert: + - id: code-runtime + name: '@deepseek-ai/dsh-code-runtime-worker' + - id: llm-replay + name: '@deepseek-ai/dsh-llm-replay' diff --git a/examples/acp-agent/both-mode.cordis.yml b/examples/acp-agent/both-mode.cordis.yml new file mode 100644 index 0000000000..3dff66d60a --- /dev/null +++ b/examples/acp-agent/both-mode.cordis.yml @@ -0,0 +1,27 @@ +# Both-mode RECORD overlay: the live acp-agent tree (./cordis.yml) with two +# load-time patches — the app entry's config gains `tools: { mode: both }` +# (every native tool definition stays on the wire AND run_code + the generated +# TypeScript SDK prompt section ride along) and the worker-thread code runtime joins the +# tree as `ctx.codeRuntime`. The dsh-acp-agent bin boots this file when the +# snapshot harness records the both-mode scenario; DSH_SNAPSHOT=replay swaps +# it for the sibling both-mode.cordis.snapshot.yml. A config patch REPLACES +# the entry's whole config, so the base entry's fields are restated verbatim. +- id: base + name: '@cordisjs/plugin-include' + config: + path: ./cordis.yml + patches: + - id: acp-agent + name: '@deepseek-ai/dsh-acp-agent' + config: + model: deepseek-v4-flash + persistenceRoot: !!js process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? './.sessions' + tools: + mode: both + persona: | + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. + + Verify your work by running the code or tests. Keep answers brief and factual. + - insert: + - id: code-runtime + name: '@deepseek-ai/dsh-code-runtime-worker' diff --git a/examples/acp-agent/code-mode.cordis.snapshot.yml b/examples/acp-agent/code-mode.cordis.snapshot.yml new file mode 100644 index 0000000000..d525afc5d6 --- /dev/null +++ b/examples/acp-agent/code-mode.cordis.snapshot.yml @@ -0,0 +1,30 @@ +# Code Mode REPLAY overlay: the same patched tree as code-mode.cordis.yml +# (registry in `mode: code` + the worker code runtime) with the keyless model +# swap from cordis.snapshot.yml (llm-deepseek disabled, llm-replay serving +# the recorded fixture). Patches do not compose across nested includes — +# an outer include's patch can only target entries in the file IT loads — so +# this file patches ./cordis.yml directly with the union of both overlays. +- id: base + name: '@cordisjs/plugin-include' + config: + path: ./cordis.yml + patches: + - id: llm-deepseek + name: '@deepseek-ai/dsh-llm-deepseek' + disabled: true + - id: acp-agent + name: '@deepseek-ai/dsh-acp-agent' + config: + model: deepseek-v4-flash + persistenceRoot: !!js process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? './.sessions' + tools: + mode: code + persona: | + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. + + Verify your work by running the code or tests. Keep answers brief and factual. + - insert: + - id: code-runtime + name: '@deepseek-ai/dsh-code-runtime-worker' + - id: llm-replay + name: '@deepseek-ai/dsh-llm-replay' diff --git a/examples/acp-agent/code-mode.cordis.yml b/examples/acp-agent/code-mode.cordis.yml new file mode 100644 index 0000000000..323c35b5b4 --- /dev/null +++ b/examples/acp-agent/code-mode.cordis.yml @@ -0,0 +1,28 @@ +# Code Mode overlay: the live acp-agent tree (./cordis.yml) with two +# load-time patches — the app entry's config gains `tools: { mode: code }` +# (the registry offers exactly one wire tool, run_code, plus the generated +# TypeScript SDK prompt section) and the worker-thread code runtime joins the +# tree as `ctx.codeRuntime`. The dsh-acp-agent bin boots this file for +# `pnpm run demo:code-mode acp` and when the snapshot harness records the +# code-mode scenarios; DSH_SNAPSHOT=replay swaps it for the sibling +# code-mode.cordis.snapshot.yml. A config patch REPLACES the entry's whole +# config, so the base entry's fields are restated verbatim. +- id: base + name: '@cordisjs/plugin-include' + config: + path: ./cordis.yml + patches: + - id: acp-agent + name: '@deepseek-ai/dsh-acp-agent' + config: + model: deepseek-v4-flash + persistenceRoot: !!js process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? './.sessions' + tools: + mode: code + persona: | + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. + + Verify your work by running the code or tests. Keep answers brief and factual. + - insert: + - id: code-runtime + name: '@deepseek-ai/dsh-code-runtime-worker' diff --git a/examples/acp-agent/composition.md b/examples/acp-agent/composition.md new file mode 100644 index 0000000000..fb882a06a0 --- /dev/null +++ b/examples/acp-agent/composition.md @@ -0,0 +1,76 @@ +<!-- Generated by scripts/gen-doc-graphs.ts - do not edit by hand. + Run `pnpm run gen-doc-graphs` to regenerate. --> + +# ACP Agent App Composition + +The ACP demo exposes the same agent spine over JSON-RPC stdio, with no stdout logger and no pre-created agent; clients create sessions through the ACP bridge. + +```mermaid +flowchart LR + cfg["examples/acp-agent<br/>cordis.yml"] + plugin_acp_llm_deepseek["llm-deepseek<br/>@deepseek-ai/dsh-llm-deepseek"] + cfg --> plugin_acp_llm_deepseek + plugin_acp_bash["bash<br/>@deepseek-ai/dsh-bash-local"] + cfg --> plugin_acp_bash + plugin_acp_acp_agent["acp-agent<br/>@deepseek-ai/dsh-acp-agent"] + cfg --> plugin_acp_acp_agent + plugin_acp_acp_agent --> bundle_agent_core["@deepseek-ai/dsh-agent-core"] + plugin_acp_acp_agent --> bundle_jsonl["@deepseek-ai/dsh-session-persistence-jsonl"] + plugin_acp_acp_agent --> frontdoor_acp["@deepseek-ai/dsh-acp<br/>JSON-RPC stdio bridge<br/>sessions created by client"] + bundle_agent_core --> spine_llm["ctx.llm"] + bundle_agent_core --> spine_sessions["ctx.sessions"] + bundle_agent_core --> spine_tools["ctx.tools + tool-bash"] + bundle_agent_core --> spine_loop["ctx.agents + ctx.agentLoop"] + plugin_acp_subagent["subagent<br/>@deepseek-ai/dsh-subagent"] + cfg --> plugin_acp_subagent + plugin_acp_subagent_spawn["subagent-spawn<br/>@deepseek-ai/dsh-subagent-spawn"] + cfg --> plugin_acp_subagent_spawn + plugin_acp_subagent_fork["subagent-fork<br/>@deepseek-ai/dsh-subagent-fork"] + cfg --> plugin_acp_subagent_fork + plugin_acp_tool_subagent["tool-subagent<br/>@deepseek-ai/dsh-tool-subagent"] + cfg --> plugin_acp_tool_subagent + plugin_acp_tool_subagent_fork["tool-subagent-fork<br/>@deepseek-ai/dsh-tool-subagent"] + cfg --> plugin_acp_tool_subagent_fork + plugin_acp_workflow_workerthread["workflow-workerthread<br/>@deepseek-ai/dsh-workflow-workerthread"] + cfg --> plugin_acp_workflow_workerthread + plugin_acp_tool_workflow["tool-workflow<br/>@deepseek-ai/dsh-tool-workflow"] + cfg --> plugin_acp_tool_workflow + plugin_acp_tool_todo["tool-todo<br/>@deepseek-ai/dsh-tool-todo"] + cfg --> plugin_acp_tool_todo + plugin_acp_repeat_tool_guard["repeat-tool-guard<br/>@deepseek-ai/dsh-repeat-tool-guard"] + cfg --> plugin_acp_repeat_tool_guard + plugin_acp_fs_local["fs-local<br/>@deepseek-ai/dsh-fs-local"] + cfg --> plugin_acp_fs_local + plugin_acp_fs_policy["fs-policy<br/>@deepseek-ai/dsh-fs-policy"] + cfg --> plugin_acp_fs_policy + plugin_acp_tool_fs["tool-fs<br/>@deepseek-ai/dsh-tool-fs"] + cfg --> plugin_acp_tool_fs + plugin_acp_hooks_claude["hooks-claude<br/>@deepseek-ai/dsh-hooks-claude"] + cfg --> plugin_acp_hooks_claude + plugin_acp_hooks_codex["hooks-codex<br/>@deepseek-ai/dsh-hooks-codex"] + cfg --> plugin_acp_hooks_codex +``` + +| Plugin id | Package / module | +| --- | --- | +| `llm-deepseek` | `@deepseek-ai/dsh-llm-deepseek` | +| `bash` | `@deepseek-ai/dsh-bash-local` | +| `acp-agent` | `@deepseek-ai/dsh-acp-agent` | +| `subagent` | `@deepseek-ai/dsh-subagent` | +| `subagent-spawn` | `@deepseek-ai/dsh-subagent-spawn` | +| `subagent-fork` | `@deepseek-ai/dsh-subagent-fork` | +| `tool-subagent` | `@deepseek-ai/dsh-tool-subagent` | +| `tool-subagent-fork` | `@deepseek-ai/dsh-tool-subagent` | +| `workflow-workerthread` | `@deepseek-ai/dsh-workflow-workerthread` | +| `tool-workflow` | `@deepseek-ai/dsh-tool-workflow` | +| `tool-todo` | `@deepseek-ai/dsh-tool-todo` | +| `repeat-tool-guard` | `@deepseek-ai/dsh-repeat-tool-guard` | +| `fs-local` | `@deepseek-ai/dsh-fs-local` | +| `fs-policy` | `@deepseek-ai/dsh-fs-policy` | +| `tool-fs` | `@deepseek-ai/dsh-tool-fs` | +| `hooks-claude` | `@deepseek-ai/dsh-hooks-claude` | +| `hooks-codex` | `@deepseek-ai/dsh-hooks-codex` | + +Source config: [`examples/acp-agent/cordis.yml`](cordis.yml). + +Maintenance mode: hybrid: the leaf plugin list is parsed from its `cordis.yml`; app package expansion is curated from package source. diff --git a/examples/acp-agent/cordis.snapshot.yml b/examples/acp-agent/cordis.snapshot.yml index 3bef79d83a..fd8a9dcad2 100644 --- a/examples/acp-agent/cordis.snapshot.yml +++ b/examples/acp-agent/cordis.snapshot.yml @@ -1,125 +1,33 @@ -# Snapshot-test REPLAY config: the acp-agent plugin tree with the model backend -# swapped to llm-replay (serves a recorded session JSONL — no API key, no -# network). The dsh-acp-agent bin selects this file for DSH_SNAPSHOT=replay. +# Snapshot-test REPLAY overlay: the SAME app tree as cordis.yml, derived from +# it by an include — the one difference is the model backend. A keyless replay +# run cannot boot the real adapter (llm-deepseek's apply() throws without +# DEEPSEEK_API_KEY), so the include patches the live tree at load time: the +# llm-deepseek entry is disabled by id, and the llm-replay entry (which serves +# a recorded session JSONL — no API key, no network) is inserted. Every other +# entry — the app, the bash executor, the fs/subagent/todo tools, both hook +# bridges, the system prompt — IS the live tree, so replay exercises exactly +# what ships and an app-shape change lands once, in cordis.yml. # -# Same app as cordis.yml (@deepseek-ai/dsh-acp-agent: the agent-core spine + -# JSONL persistence + the ACP bridge) — only the LLM backend differs: llm-replay -# here, llm-deepseek there. It can't reuse the real adapter because llm-deepseek's -# apply() throws without DEEPSEEK_API_KEY, killing a keyless replay run at boot. -# -# stdout is reserved for the ACP JSON-RPC protocol — no stdout logger (the app -# package omits it). The replay fixture path comes from $DSH_SNAPSHOT_FILE (and -# an optional $DSH_SNAPSHOT_OVERRIDE sidecar), set by the snapshot harness. - -# The replay adapter: short-circuits llm/stream with the recorded log's chunks, -# in place of llm-deepseek. -- id: llm-replay - name: '@deepseek-ai/dsh-llm-replay' - -# Local bash executor for agent-core's tool-bash schema. -# FIXME(config-comments): keep this executor note from implying bash is the -# whole tool set; filesystem, subagent, and todo_write are loaded below. -- id: bash - name: '@deepseek-ai/dsh-bash-local' +# The dsh-acp-agent bin selects this file for DSH_SNAPSHOT=replay. The replay +# fixture path comes from $DSH_SNAPSHOT_FILE (and an optional +# $DSH_SNAPSHOT_OVERRIDE sidecar), set by the snapshot harness. stdout stays +# reserved for the ACP JSON-RPC protocol (the app package loads no stdout +# logger). Patches apply when the include loads the file — a one-shot replay +# boot, so the load-time-only patch semantics are exactly enough. +- id: base + name: '@cordisjs/plugin-include' config: - timeoutMs: 60000 - -# The ACP server app — identical to cordis.yml's entry. -- id: acp-agent - name: '@deepseek-ai/dsh-acp-agent' - config: - model: deepseek-v4-flash - persistenceRoot: !!js process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? './.sessions' - systemPrompt: | - You are a coding assistant driven over the Agent Client Protocol. - - Your tools are read/write/edit for file operations, bash (plus - bash_output/bash_kill for background tasks), and subagent. Use read to - inspect UTF-8 text files, write to create or replace files, and edit for - targeted literal replacements. Use bash for shell commands, tests, - searches, and operations that are not ordinary file reads or edits. Each - bash call runs in a fresh shell — pass workdir instead of cd. Check the - [exit code: N] marker; verify your work. Keep answers brief and factual. - - Use the subagent tool to delegate a focused, self-contained subtask to - a fresh child agent (it works in its own context and returns only its - final result) — give it a complete, standalone instruction. Use - subagent_fork instead when the subtask needs THIS conversation's - context: the child inherits the log so far. - - For multi-step work, use the todo_write tool to track a task list: - send the WHOLE list each call (it replaces the previous one), keep at - most one task in_progress (exactly one while work remains), and mark a - task completed as soon as it is done. Skip it for trivial single-step - tasks. - -# The subagent seam + both in-process backends + two model-facing tools — -# identical to cordis.yml's wiring (only the LLM backend differs above): spawn -# and fork are each reachable via a dsh-tool-subagent bound to it with a distinct -# toolName (subagent → spawn, subagent_fork → fork). -- id: subagent - name: '@deepseek-ai/dsh-subagent' - -- id: subagent-spawn - name: '@deepseek-ai/dsh-subagent-spawn' - config: - providerName: spawn - -- id: subagent-fork - name: '@deepseek-ai/dsh-subagent-fork' - config: - providerName: fork - -- id: tool-subagent - name: '@deepseek-ai/dsh-tool-subagent' - config: - provider: spawn - toolName: subagent - -- id: tool-subagent-fork - name: '@deepseek-ai/dsh-tool-subagent' - config: - provider: fork - toolName: subagent_fork - -# The model-facing todo_write tool — identical to cordis.yml's wiring, so a -# replayed todo_write tool call resolves to a real tool during snapshot replay. -- id: tool-todo - name: '@deepseek-ai/dsh-tool-todo' - -# Filesystem capability stack — identical to cordis.yml's wiring, so replayed -# read/write/edit tool calls resolve to the real tools during snapshot replay. -- id: fs-local - name: '@deepseek-ai/dsh-fs-local' - config: - cwd: !!js process.cwd() - -- id: fs-policy - name: '@deepseek-ai/dsh-fs-policy' - -- id: tool-fs - name: '@deepseek-ai/dsh-tool-fs' - -# The Claude Code hook bridge. `configPath` is read ONCE at load and resolves -# `./hooks.json` against the PROCESS cwd (not per-session) — in these snapshot -# runs the harness launches the subprocess with process cwd = the scenario's temp -# workspace, so a scenario that ships `workspace/hooks.json` (copied into that cwd -# before the run) exercises the hooks path end-to-end; every other scenario has no -# such file, so the parse fails-soft and the bridge registers nothing (a silent -# no-op — the ACP app loads no logger exporter, so the warning never reaches -# stdout). Hooks themselves run in the session cwd (the bridge passes it as workdir). -- id: hooks-claude - name: '@deepseek-ai/dsh-hooks-claude' - config: - configPath: ./hooks.json - -# The Codex hook bridge, loaded alongside the Claude one (symmetric with -# cordis.yml so a recorded Codex scenario fires the hook during recording too). It -# reads its OWN file `./codex-hooks.json` (Codex's dialect) — the two bridges -# cannot share one config. Same fails-soft-when-absent contract: a scenario that -# ships `workspace/codex-hooks.json` exercises the Codex path end-to-end; a -# scenario without one registers nothing (a silent no-op, never reaching stdout). -- id: hooks-codex - name: '@deepseek-ai/dsh-hooks-codex' - config: - configPath: ./codex-hooks.json + path: ./cordis.yml + patches: + # The name is an assertion, not an override: the include skips the patch + # (warning if a logger exists) when the id points at a different plugin, + # so this can never disable the wrong entry. If cordis.yml ever RENAMES + # the id, the patch degrades to a skip — replay output stays correct + # (llm-replay still short-circuits the stream) but the stale patch and a + # futile keyless adapter entry linger until review catches them. + - id: llm-deepseek + name: '@deepseek-ai/dsh-llm-deepseek' + disabled: true + - insert: + - id: llm-replay + name: '@deepseek-ai/dsh-llm-replay' diff --git a/examples/acp-agent/cordis.yml b/examples/acp-agent/cordis.yml index 01849bb66e..dc03ea6b03 100644 --- a/examples/acp-agent/cordis.yml +++ b/examples/acp-agent/cordis.yml @@ -23,9 +23,8 @@ - deepseek-v4-flash - deepseek-v4-pro -# Local bash executor for agent-core's tool-bash schema. -# FIXME(config-comments): keep this executor note from implying bash is the -# whole tool set; filesystem, subagent, and todo_write are loaded below. +# Local bash executor for agent-core's tool-bash schema (one of several tool +# stacks in this tree: filesystem, subagent, and todo_write load below). - id: bash name: '@deepseek-ai/dsh-bash-local' config: @@ -39,28 +38,15 @@ config: model: deepseek-v4-flash persistenceRoot: !!js process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? './.sessions' - systemPrompt: | - You are a coding assistant driven over the Agent Client Protocol. + # The persona: identity + behavior only, nothing about transports or + # tooling — tool guidance lives with each tool plugin (descriptions + + # prompt sections). {{model}} and {{cwd}} are prompt variables the agent + # loop resolves per session (every ACP session carries the client's cwd, + # so the persona can state the workspace). + persona: | + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. - Your tools are read/write/edit for file operations, bash (plus - bash_output/bash_kill for background tasks), and subagent. Use read to - inspect UTF-8 text files, write to create or replace files, and edit for - targeted literal replacements. Use bash for shell commands, tests, - searches, and operations that are not ordinary file reads or edits. Each - bash call runs in a fresh shell — pass workdir instead of cd. Check the - [exit code: N] marker; verify your work. Keep answers brief and factual. - - Use the subagent tool to delegate a focused, self-contained subtask to - a fresh child agent (it works in its own context and returns only its - final result) — give it a complete, standalone instruction. Use - subagent_fork instead when the subtask needs THIS conversation's - context: the child inherits the log so far. - - For multi-step work, use the todo_write tool to track a task list: - send the WHOLE list each call (it replaces the previous one), keep at - most one task in_progress (exactly one while work remains), and mark a - task completed as soon as it is done. Skip it for trivial single-step - tasks. + Verify your work by running the code or tests. Keep answers brief and factual. # The subagent seam + both in-process backends + two model-facing tools, as leaf # entries after the app (which provides ctx.agents/ctx.tools). spawn (a fresh @@ -93,11 +79,31 @@ provider: fork toolName: subagent_fork + +# Dynamic workflows: the worker-thread engine (ctx.workflows) over the spawn +# subagent backend above, plus the model-facing `workflow` tool. The model +# writes a JavaScript orchestration script (meta + body); the engine runs it +# in its own worker thread and fans agent() calls out as spawn children. +- id: workflow-workerthread + name: '@deepseek-ai/dsh-workflow-workerthread' + config: + provider: spawn + +- id: tool-workflow + name: '@deepseek-ai/dsh-tool-workflow' # The model-facing todo_write tool: whole-list task tracking written to the # session log (todo/write), surfaced to the ACP client as a `plan` update. - id: tool-todo name: '@deepseek-ai/dsh-tool-todo' +# The repeat-tool-call guard: advisory reminders (injected context, never a +# block) when the model re-issues the same tool call with identical arguments; +# defaults [3, 5, 8]. Loaded here so the snapshot tier exercises the reminder +# transcript (the repeat-tool-guard scenario) — no other scenario repeats a +# call three times, so it is inert everywhere else. +- id: repeat-tool-guard + name: '@deepseek-ai/dsh-repeat-tool-guard' + # Filesystem capability stack: local provider, read-before-write/edit policy # gate, then the model-facing read/write/edit tools. Relative filesystem paths # resolve from the server launch cwd; the documented Zed setup launches this diff --git a/examples/acp-agent/tests/acp.e2e.ts b/examples/acp-agent/tests/acp.e2e.ts index 06ef962743..8ff012c2c3 100644 --- a/examples/acp-agent/tests/acp.e2e.ts +++ b/examples/acp-agent/tests/acp.e2e.ts @@ -57,13 +57,22 @@ interface Spawned { } // TODO(acp-test-harness): this subprocess/client boot glue is duplicated with -// hooks.e2e.ts and partly with snapshot-harness.ts. Extract one shared ACP test -// launcher before the TSX/env/permission-stub details drift again. +// hooks.e2e.ts and partly with dsh-acp-snapshot's harness. Migrate both e2e +// files onto that launcher before the TSX/env/permission-stub details drift. function spawnAcpAgent(cwd: string, env: NodeJS.ProcessEnv = process.env): Spawned { const child = spawn( process.execPath, ['--import', tsxLoader, binScript, configPath], - { cwd, env: { ...env, TSX_TSCONFIG_PATH: repoTsconfig }, stdio: ['pipe', 'pipe', 'pipe'] }, + { + cwd, + env: { + ...env, + TSX_TSCONFIG_PATH: repoTsconfig, + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), + }, + stdio: ['pipe', 'pipe', 'pipe'], + }, ) const stderr: string[] = [] child.stderr.setEncoding('utf8') @@ -80,8 +89,9 @@ function spawnAcpAgent(cwd: string, env: NodeJS.ProcessEnv = process.env): Spawn return Promise.resolve() }, requestPermission(_params: RequestPermissionRequest): Promise<RequestPermissionResponse> { - // Permission gate is deferred (TODO(rfc010-permission-gate)); the bridge - // never requests permission yet, so just allow if it ever does. + // This example composes no ask-producing policy (no hooks), so the + // bridge never prompts here; answer cancelled (fail closed) if it ever + // does — an unexpected prompt must not grant anything. return Promise.resolve({ outcome: { outcome: 'cancelled' } }) }, }) @@ -92,6 +102,46 @@ function spawnAcpAgent(cwd: string, env: NodeJS.ProcessEnv = process.env): Spawn let spawned: Spawned | undefined let workdir: string | undefined +function hasStdoutLine(out: string[]): boolean { + return out.join('').split('\n').some(line => line.trim().length > 0) +} + +async function waitForStdoutLine(child: ChildProcessWithoutNullStreams, out: string[], stderr: string[], timeoutMs: number): Promise<void> { + await new Promise<void>((resolve, reject) => { + const cleanup = () => { + clearTimeout(timeout) + child.stdout.off('data', onData) + child.off('exit', onExit) + child.off('error', onError) + } + const pass = () => { + cleanup() + resolve() + } + const fail = (reason: string) => { + cleanup() + reject(new Error(`${reason}; stderr: ${stderr.join('')}`)) + } + const onData = () => { + if (hasStdoutLine(out)) pass() + } + const onExit = (code: number | null, signal: NodeJS.Signals | null) => { + fail(`ACP child exited before emitting a stdout frame (code ${code ?? 'null'}, signal ${signal ?? 'null'})`) + } + const onError = (error: Error) => { + fail(`ACP child failed before emitting a stdout frame: ${error.message}`) + } + const timeout = setTimeout(() => { + fail(`ACP child did not emit a stdout frame within ${timeoutMs}ms`) + }, timeoutMs) + + child.stdout.on('data', onData) + child.on('exit', onExit) + child.on('error', onError) + onData() + }) +} + afterEach(async () => { if (spawned) { spawned.child.kill('SIGKILL') @@ -110,20 +160,31 @@ describe('acp-agent over real stdio (no key required)', () => { // which this purity test never triggers). So this runs WITHOUT real creds. const child = spawn(process.execPath, ['--import', tsxLoader, binScript, configPath], { cwd: workdir, - env: { ...process.env, DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', TSX_TSCONFIG_PATH: repoTsconfig }, + env: { + ...process.env, + DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', + TSX_TSCONFIG_PATH: repoTsconfig, + DSH_HOME: join(workdir, '.dsh'), + DSH_AGENTS_HOME: join(workdir, '.agents'), + }, stdio: ['pipe', 'pipe', 'pipe'], }) const out: string[] = [] + const stderr: string[] = [] child.stdout.setEncoding('utf8') + child.stderr.setEncoding('utf8') child.stdout.on('data', (c: string) => out.push(c)) + child.stderr.on('data', (c: string) => stderr.push(c)) // Send a single initialize request as a newline-delimited JSON-RPC frame. const req = JSON.stringify({ jsonrpc: '2.0', id: 1, method: 'initialize', params: { protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} } }) child.stdin.write(req + '\n') - // Give it a moment to boot + reply, then inspect stdout. - await new Promise(r => setTimeout(r, 4000)) - child.kill('SIGKILL') + try { + await waitForStdoutLine(child, out, stderr, 15_000) + } finally { + child.kill('SIGKILL') + } const lines = out.join('').split('\n').filter(l => l.trim().length > 0) expect(lines.length).toBeGreaterThan(0) diff --git a/examples/acp-agent/tests/acp.snapshot.ts b/examples/acp-agent/tests/acp.snapshot.ts index 65d2dee9da..eaa4e0381a 100644 --- a/examples/acp-agent/tests/acp.snapshot.ts +++ b/examples/acp-agent/tests/acp.snapshot.ts @@ -1,69 +1,57 @@ -import { readFile, readdir, writeFile } from 'node:fs/promises' -import { existsSync } from 'node:fs' import { fileURLToPath } from 'node:url' import { dirname, join } from 'node:path' -import { describe, expect, it } from 'vitest' -import { type HarvestedLog, type InputScript, runScenario } from './snapshot-harness.ts' -import { type NormalizeContext, normalizeSessionLog, normalizeStdout } from './snapshot-normalize.ts' +import { defineAcpSnapshotSuite, type Scenario, type SnapshotSuiteOptions } from '@deepseek-ai/dsh-acp-snapshot' /** - * ACP snapshot tests (REPLAY by default, keyless). Each scenario under - * `snapshots/<name>/` ships an `input.json` (the client stdin script) and a - * `session.jsonl` fixture; replay boots the real acp-agent subprocess, drives - * it, and diffs the normalized stdout transcript against the committed - * `stdout.golden.jsonl`. For model scenarios it ALSO checks the re-persisted - * session log — against the `session.jsonl` fixture itself, not a separate - * golden: the fixture doubles as the replay source (recorded scenarios) and the - * expected produced log (both sides normalized before comparing). - * - * `pnpm run test:snapshot:record` (DSH_SNAPSHOT=record + -u) re-records the - * `session.jsonl` fixtures against the real API and refreshes the stdout golden - * in one pass. + * The acp-agent example's snapshot suite: the scenario table for + * `dsh-acp-snapshot`'s suite factory, which owns every compare/guard mechanic + * (golden + re-persisted-log diffs, record/refresh write-back, the pinned-header + * uniformity guard, the fixture guards). Fixtures live under `snapshots/<name>/`; + * `pnpm run test:snapshot:record` re-records model transcripts against the real + * API; `pnpm run test:snapshot:refresh` rewrites current replay goldens keyless. + * See the package README (packages/support/acp-snapshot) and the snapshot RFC, + * docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md. */ -const SNAPSHOTS_DIR = join(dirname(fileURLToPath(import.meta.url)), 'snapshots') -const RECORDING = process.env.DSH_SNAPSHOT === 'record' +// The dsh-acp-agent bin (the demo:acp entry), this example's cordis.yml, and +// the repo-root tsconfig (four levels up from examples/acp-agent/tests) — all +// ABSOLUTE: the subprocess cwd is a temp dir outside the repo. +const AGENT = { + binScript: fileURLToPath(new URL('../../../packages/ui/acp-agent/src/bin.ts', import.meta.url)), + configPath: fileURLToPath(new URL('../cordis.yml', import.meta.url)), + tsconfigPath: fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)), +} -/** A snapshot scenario and how its fixtures are produced. */ -interface Scenario { - name: string - /** Whether the scenario drives at least one model turn (so a JSONL golden applies). */ - hasModelTurn: boolean - /** - * Whether the run persists a comparable session log to diff against the - * `session.jsonl` fixture. Defaults to {@link hasModelTurn} (a model turn - * always produces a log worth comparing). Set it independently for a scenario - * that produces a non-trivial log WITHOUT a model turn — e.g. a prompt blocked - * by a `UserPromptSubmit` hook, which opens a `rejected` turn carrying `hook/*` - * events but never calls the model. - */ - comparesLog?: boolean - /** - * Whether `test:snapshot:record` regenerates this scenario's `session.jsonl` - * from the LIVE API. `recorded` scenarios are model-driven and reproducible; - * `authored` scenarios (a hand-written `replay.override.json` sidecar drives - * replay — e.g. a provider error or a cancel, which the live API can't be - * coaxed into deterministically — or a deterministic hook scenario whose - * derived empty script needs no sidecar) are NEVER re-recorded. - */ - recorded: boolean - /** - * How many SUBAGENT child sessions this scenario records beyond the top-level - * one (0 for a single-session scenario). Each child rides in a sibling fixture - * `session.<n>.jsonl` (1-based); replay forwards them to `dsh-llm-replay` so - * each child session replays from its own script, and record mode writes the - * harvested child logs back to those files. Defaults to 0. - */ - childSessions?: number +// The Code Mode overlay configs (include-patched variants of cordis.yml; the +// replay swap resolves each one's sibling `*cordis.snapshot.yml`). +const CODE_MODE_CONFIG = fileURLToPath(new URL('../code-mode.cordis.yml', import.meta.url)) +const BOTH_MODE_CONFIG = fileURLToPath(new URL('../both-mode.cordis.yml', import.meta.url)) + +function snapshotModeFromEnv(value: string | undefined): SnapshotSuiteOptions['mode'] { + switch (value) { + case undefined: + case '': + case 'replay': + return 'replay' + case 'record': + return 'record' + case 'refresh': + return 'refresh' + default: + throw new Error(`unknown DSH_SNAPSHOT mode: ${value}`) + } } const SCENARIOS: Scenario[] = [ { name: 'handshake', hasModelTurn: false, recorded: false }, { name: 'reject-extra-dirs', hasModelTurn: false, recorded: false }, - { name: 'text-turn', hasModelTurn: true, recorded: true }, + // text-turn is the pinned-header scenario: the minimal single text turn. + // Its system-prompt.golden.md and JSONL tool list pin the composed header. + { name: 'text-turn', hasModelTurn: true, recorded: true, pinsHeader: true }, { name: 'tool-call-turn', hasModelTurn: true, recorded: true }, { name: 'fs-terminal-card', hasModelTurn: true, recorded: true }, { name: 'todo-plan', hasModelTurn: true, recorded: true }, + { name: 'skill-load', hasModelTurn: true, recorded: false, pinsHeader: true, headerClass: 'skill' }, { name: 'workspace-edit', hasModelTurn: true, recorded: true }, { name: 'fs-read', hasModelTurn: true, recorded: true }, { name: 'fs-write', hasModelTurn: true, recorded: true }, @@ -72,12 +60,21 @@ const SCENARIOS: Scenario[] = [ { name: 'fs-read-window', hasModelTurn: true, recorded: true }, { name: 'fs-policy-reject', hasModelTurn: true, recorded: true }, { name: 'multi-turn', hasModelTurn: true, recorded: true }, - { name: 'error-finish', hasModelTurn: true, recorded: false }, - { name: 'cancel', hasModelTurn: true, recorded: false }, + { name: 'error-finish', hasModelTurn: true, recorded: false, overridden: true }, + // Keyless, authored (like error-finish/cancel): deterministically forcing a + // LIVE model to repeat one call three times is not a stable recording, so + // the fixture scripts five identical todo_write calls and pins BOTH reminder + // tiers (gentle at 3, detailed at 5) as context/message in transcript and log. + { name: 'repeat-tool-guard', hasModelTurn: true, recorded: false }, + { name: 'cancel', hasModelTurn: true, recorded: false, overridden: true }, { name: 'subagent-spawn', hasModelTurn: true, recorded: true, childSessions: 1 }, { name: 'subagent-multi', hasModelTurn: true, recorded: true, childSessions: 2 }, { name: 'subagent-fork', hasModelTurn: true, recorded: true, childSessions: 1 }, { name: 'subagent-mixed', hasModelTurn: true, recorded: true, childSessions: 2 }, + // The workflow tool: the model writes a one-child orchestration script; the + // child runs as a spawn subagent under the worker-thread engine (its session is the + // child fixture), and the tool result carries the script's return value. + { name: 'workflow-run', hasModelTurn: true, recorded: true, childSessions: 1 }, // Hook matrix — one scenario per hook point × its headline Decision outcome, // across BOTH bridges (Claude `hooks.json`, Codex `codex-hooks.json`, seeded in // workspace/). The block scenarios need no model call: a UserPromptSubmit hook @@ -117,140 +114,18 @@ const SCENARIOS: Scenario[] = [ { name: 'hook-codex-posttool-block', hasModelTurn: true, recorded: true }, { name: 'hook-codex-posttool-context', hasModelTurn: true, recorded: true }, { name: 'hook-codex-stop-continue', hasModelTurn: true, recorded: true }, + // Code Mode: the registry in `mode: code` — the wire tool list collapses to + // [run_code], the tools:sdk section rides in the prompt, and the program's + // tool calls land as tool/code-dispatch events. Each mode boots its own + // overlay config, composes a different header by construction, and + // therefore pins its own class. + { name: 'code-mode-turn', hasModelTurn: true, recorded: true, pinsHeader: true, headerClass: 'code', configPath: CODE_MODE_CONFIG }, + { name: 'both-mode-turn', hasModelTurn: true, recorded: true, pinsHeader: true, headerClass: 'both', configPath: BOTH_MODE_CONFIG }, ] -/** The sibling child-fixture paths for a scenario (`session.1.jsonl` …). */ -function childFixturePaths(dir: string, childSessions: number): string[] { - return Array.from({ length: childSessions }, (_, i) => join(dir, `session.${i + 1}.jsonl`)) -} - -/** - * Derive the {@link NormalizeContext} for a `session.jsonl` fixture from its own - * header line (`{ type: 'session', id, cwd }`). A committed fixture carries the - * session id and cwd of the run that harvested it — different from the live - * replay run — so normalizing it against the live run's ctx would leave those - * recorded values unscrubbed. Reading them from the header scrubs the fixture's - * own id/cwd to the same `{{sessionId}}`/`{{cwd}}` tokens the replay output gets. - * An authored fixture whose header is already normalized (`id:'{{sessionId}}'`, - * `cwd:'{{cwd}}'`) yields those tokens as the volatile values, so scrubbing them - * is an idempotent no-op. A header with no `cwd` falls back to a sentinel that - * cannot occur in a log (NOT `''`, which `String.split` would match on every - * character boundary and corrupt the output). - */ -function fixtureContext(fixture: string): NormalizeContext { - const firstLine = fixture.split('\n').find(line => line.trim().length > 0) ?? '{}' - const header = JSON.parse(firstLine) as { id?: unknown; cwd?: unknown } - return { - sessionIds: typeof header.id === 'string' ? [header.id] : [], - cwd: typeof header.cwd === 'string' ? header.cwd : '\0no-cwd\0', - } -} - -for (const scenario of SCENARIOS) { - describe(`snapshot: ${scenario.name}`, () => { - // In RECORD mode, only re-run the `recorded` (live-API) scenarios; the - // `authored` ones (sidecar-driven errors/cancel) are never re-recorded. - it.skipIf(RECORDING && !scenario.recorded)('matches the goldens', async () => { - const dir = join(SNAPSHOTS_DIR, scenario.name) - const input = JSON.parse(await readFile(join(dir, 'input.json'), 'utf8')) as InputScript - const overrideFile = join(dir, 'replay.override.json') - const workspaceDir = join(dir, 'workspace') - const childSessions = scenario.childSessions ?? 0 - const result = await runScenario(input, { - mode: RECORDING ? 'record' : 'replay', - fixtureFile: join(dir, 'session.jsonl'), - ...existsSync(overrideFile) ? { overrideFile } : {}, - // In REPLAY, forward the recorded child fixtures so each subagent session - // replays from its own script. In RECORD they are harvested, not read. - ...!RECORDING && childSessions > 0 ? { childFiles: childFixturePaths(dir, childSessions) } : {}, - ...existsSync(workspaceDir) ? { workspaceDir } : {}, - }) - - // Scrub every volatile id the run produced: the ACP server-issued session - // id plus every harvested log's recorded id (a subagent child id never - // surfaces over ACP, but it appears in the child's own log header). The - // normalizer's UUID catch-all covers any we don't enumerate. - const ctx: NormalizeContext = { - sessionIds: [ - ...result.sessionId !== undefined ? [result.sessionId] : [], - ...result.sessionLogs.map(l => l.id), - ], - cwd: result.cwd, - } - - // RECORD mode (recorded model scenarios only): persist the freshly-harvested - // logs back to their fixtures — the primary to session.jsonl, each child to - // session.<n>.jsonl in harvest order. `--update` refreshes the Vitest - // goldens but NOT these fixtures, so write them here. - if (RECORDING && scenario.recorded && scenario.hasModelTurn) { - expect(result.sessionLogs.length, 'record produced no session log to harvest').toBeGreaterThan(0) - expect(result.sessionLogs.length, `expected ${childSessions + 1} session logs (parent + children)`) - .toBe(childSessions + 1) - await writeFile(join(dir, 'session.jsonl'), (result.sessionLogs[0] as HarvestedLog).content) - for (let i = 1; i < result.sessionLogs.length; i++) { - await writeFile(join(dir, `session.${i}.jsonl`), (result.sessionLogs[i] as HarvestedLog).content) - } - } - - await expect(normalizeStdout(result.rawStdout, ctx)) - .toMatchFileSnapshot(join(dir, 'stdout.golden.jsonl')) - - // A model turn always produces a log worth comparing; a hook scenario can - // produce one without a model turn (a `rejected` turn carrying `hook/*`). - const comparesLog = scenario.comparesLog ?? scenario.hasModelTurn - if (comparesLog) { - // The harvested logs (primary-first) must match their committed fixtures - // 1:1. Each side passes through normalizeSessionLog, scrubbed against ITS - // OWN volatile values — the live run's via `ctx`, the committed fixture's - // via its own header (a committed file cannot share the live run's ids). - expect(result.sessionLogs.length, 'this scenario must persist a session log').toBe(childSessions + 1) - const fixtureFiles = ['session.jsonl', ...Array.from({ length: childSessions }, (_, i) => `session.${i + 1}.jsonl`)] - for (let i = 0; i < fixtureFiles.length; i++) { - const harvested = (result.sessionLogs[i] as HarvestedLog).content - const fixture = await readFile(join(dir, fixtureFiles[i] as string), 'utf8') - expect(normalizeSessionLog(harvested, ctx), `${fixtureFiles[i]} mismatch`) - .toEqual(normalizeSessionLog(fixture, fixtureContext(fixture))) - } - } - }) - }) -} - -describe('snapshot fixtures', () => { - it('every scenario directory is registered (no orphans)', async () => { - // toMatchFileSnapshot does not prune orphaned golden/fixture files, so a - // renamed/removed scenario could leave a stale dir that nothing exercises. - // Fail loud on any snapshots/<dir> not present in SCENARIOS. - const entries = await readdir(SNAPSHOTS_DIR, { withFileTypes: true }) - const onDisk = entries.filter(e => e.isDirectory()).map(e => e.name).sort() - const registered = SCENARIOS.map(s => s.name).sort() - expect(onDisk).toEqual(registered) - }) - - it('every registered scenario has its required fixture files', async () => { - // Every scenario has an input script and an stdout golden. EVERY scenario - // also needs `session.jsonl`: the harness boots `llm-replay` with that path - // as the replay source for ALL scenarios (acp.snapshot.ts passes - // `fixtureFile: <dir>/session.jsonl` unconditionally), and `loadReplayScript` - // throws "fixture not found" when it is absent and no override replaces it. - // A no-model scenario ships a header-only `session.jsonl` (it derives to an - // empty script — no model call is made); a model scenario's fixture also - // doubles as the expected-log artifact the run is diffed against. An authored - // (non-`recorded`) model scenario additionally ships a `replay.override.json` - // sidecar for the throw/hang cases a derived script cannot express. - for (const { name, hasModelTurn, recorded, childSessions } of SCENARIOS) { - const dir = join(SNAPSHOTS_DIR, name) - expect(existsSync(join(dir, 'input.json')), `${name}/input.json`).toBe(true) - expect(existsSync(join(dir, 'stdout.golden.jsonl')), `${name}/stdout.golden.jsonl`).toBe(true) - expect(existsSync(join(dir, 'session.jsonl')), `${name}/session.jsonl`).toBe(true) - if (hasModelTurn && !recorded) { - expect(existsSync(join(dir, 'replay.override.json')), `${name}/replay.override.json`).toBe(true) - } - // A nested-agent scenario ships one child fixture per recorded subagent - // session (`session.1.jsonl` …), the replay source for that child session. - for (const childFixture of childFixturePaths(dir, childSessions ?? 0)) { - expect(existsSync(childFixture), childFixture).toBe(true) - } - } - }) +defineAcpSnapshotSuite({ + agent: AGENT, + snapshotsDir: join(dirname(fileURLToPath(import.meta.url)), 'snapshots'), + scenarios: SCENARIOS, + mode: snapshotModeFromEnv(process.env.DSH_SNAPSHOT), }) diff --git a/examples/acp-agent/tests/snapshot-normalize.spec.ts b/examples/acp-agent/tests/snapshot-normalize.spec.ts deleted file mode 100644 index bfe29af8a5..0000000000 --- a/examples/acp-agent/tests/snapshot-normalize.spec.ts +++ /dev/null @@ -1,110 +0,0 @@ -import { describe, expect, it } from 'vitest' -import { type NormalizeContext, normalizeSessionLog, normalizeStdout } from '../tests/snapshot-normalize.ts' - -/** - * Unit tests for the pure snapshot normalizers. Live as a *.spec.ts (runs in - * the default unit gate) and import the harness-side normalizers directly. - */ - -const ctx: NormalizeContext = { - sessionIds: ['11111111-2222-3333-4444-555555555555'], - cwd: '/tmp/acp-snap-cwd-abc123', -} - -describe('normalizeStdout', () => { - it('rewrites JSON-RPC ids to a stable first-seen sequence', () => { - const raw = [ - JSON.stringify({ jsonrpc: '2.0', id: 42, method: 'initialize' }), - JSON.stringify({ jsonrpc: '2.0', id: 42, result: {} }), - JSON.stringify({ jsonrpc: '2.0', id: 99, method: 'session/new' }), - ].join('\n') - const out = normalizeStdout(raw, ctx) - expect(out).toContain('"id":1') - expect(out).toContain('"id":2') - expect(out).not.toContain('42') - expect(out).not.toContain('99') - }) - - it('scrubs the cwd and session id anywhere they appear', () => { - const raw = JSON.stringify({ - jsonrpc: '2.0', method: 'session/update', - params: { sessionId: ctx.sessionIds[0], cwd: ctx.cwd, note: `at ${ctx.cwd}/x` }, - }) - const out = normalizeStdout(raw, ctx) - expect(out).toContain('{{sessionId}}') - expect(out).toContain('{{cwd}}') - expect(out).not.toContain(ctx.cwd) - expect(out).not.toContain(ctx.sessionIds[0] as string) - }) - - it('scrubs a stray UUID not in the known list', () => { - const raw = JSON.stringify({ jsonrpc: '2.0', method: 'x', params: { id: 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee' } }) - expect(normalizeStdout(raw, ctx)).toContain('{{sessionId}}') - }) - - it('leaves notification frames without an id untouched in id-space', () => { - const raw = JSON.stringify({ jsonrpc: '2.0', method: 'session/update', params: {} }) - const out = normalizeStdout(raw, ctx) - expect(out).not.toContain('"id"') - }) - - it('throws on a non-JSON stdout line (the purity check)', () => { - const raw = `${JSON.stringify({ jsonrpc: '2.0', id: 1 })}\noops a log leaked\n` - expect(() => normalizeStdout(raw, ctx)).toThrow() - }) - - it('ignores blank lines', () => { - const raw = `\n${JSON.stringify({ jsonrpc: '2.0', id: 1, method: 'm' })}\n\n` - expect(() => normalizeStdout(raw, ctx)).not.toThrow() - }) -}) - -describe('normalizeSessionLog', () => { - const header = (over: object) => JSON.stringify({ type: 'session', version: 0, id: 's', createdAt: 123, ...over }) - const event = (over: object) => JSON.stringify({ type: 'turn/start', seq: 1, time: 999, data: { turn: 1 }, ...over }) - - it('zeroes the header createdAt', () => { - const out = normalizeSessionLog(`${header({})}\n`, ctx) - expect(out).toContain('"createdAt":0') - expect(out).not.toContain('123') - }) - - it('zeroes each event time but keeps seq', () => { - const out = normalizeSessionLog(`${header({})}\n${event({ seq: 7, time: 999 })}\n`, ctx) - expect(out).toContain('"time":0') - expect(out).toContain('"seq":7') // seq is deterministic — NOT scrubbed - expect(out).not.toContain('999') - }) - - it('scrubs cwd and session id deep inside event data', () => { - const ev = JSON.stringify({ - type: 'tool/result', seq: 2, time: 5, - data: { content: [{ type: 'text', text: `wrote ${ctx.cwd}/proof.txt` }] }, - }) - const out = normalizeSessionLog(`${header({ cwd: ctx.cwd })}\n${ev}\n`, ctx) - expect(out).toContain('{{cwd}}') - expect(out).not.toContain(ctx.cwd) - }) - - it('scrubs the session id in the header', () => { - const out = normalizeSessionLog(`${header({ id: ctx.sessionIds[0] })}\n`, ctx) - expect(out).toContain('{{sessionId}}') - }) - - it('zeroes a hook/result durationMs (run-to-run noise) but keeps its decision', () => { - const ev = JSON.stringify({ - type: 'hook/result', seq: 2, time: 5, - data: { turn: 1, point: 'UserPromptSubmit', handlerId: 'h', decision: 'block', exitCode: 2, durationMs: 37 }, - }) - const out = normalizeSessionLog(`${header({})}\n${ev}\n`, ctx) - expect(out).toContain('"durationMs":0') - expect(out).not.toContain('37') - expect(out).toContain('"decision":"block"') // the decision is the behavior — kept - }) - - it('leaves a non-hook event durationMs untouched (only hook/result is scrubbed)', () => { - const ev = JSON.stringify({ type: 'tool/result', seq: 2, time: 5, data: { durationMs: 88 } }) - const out = normalizeSessionLog(`${header({})}\n${ev}\n`, ctx) - expect(out).toContain('"durationMs":88') - }) -}) diff --git a/examples/acp-agent/tests/snapshots/both-mode-turn/input.json b/examples/acp-agent/tests/snapshots/both-mode-turn/input.json new file mode 100644 index 0000000000..699e4a2043 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/both-mode-turn/input.json @@ -0,0 +1,7 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "prompt", "text": "Call the run_code tool (NOT the native bash tool directly) with a program that runs exactly `echo BOTH_OK` via tools.bash and returns its output. Then reply with that output only and stop." } + ] +} diff --git a/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl b/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl new file mode 100644 index 0000000000..b49097188e --- /dev/null +++ b/examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl @@ -0,0 +1,121 @@ +{"type":"session","version":0,"id":"bcd7e943-7b84-4264-82d0-f64e50d0d7ce","createdAt":1783611774317,"cwd":"/var/folders/2c/psb0_fmx7hbgz558xjt_f0l00000gn/T/acp-snap-cwd-52lrTl"} +{"type":"turn/start","seq":0,"time":1783611774323,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783611774323,"data":{"content":[{"type":"text","text":"Call the run_code tool (NOT the native bash tool directly) with a program that runs exactly `echo BOTH_OK` via tools.bash and returns its output. Then reply with that output only and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783611774324,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783611774325,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under <mode> mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`.","parameters":{"type":"object","properties":{"command":{"type":"string","description":"The bash command to execute."},"description":{"type":"string","description":"Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: \"ls\" → \"List files in current directory\"; \"git status\" → \"Show working tree status\"; \"npm install\" → \"Install package dependencies\"."},"timeoutMs":{"type":"number","description":"Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry."},"workdir":{"type":"string","description":"Working directory for this command. Defaults to the session workspace; a relative path is resolved against it."},"run_in_background":{"type":"boolean","description":"Run in the background and return a task id immediately. No timeout applies."}},"required":["command","description"]}},{"name":"bash_kill","description":"Ask the executor to kill a running background bash task by task id.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"bash_output","description":"Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output.","parameters":{"type":"object","properties":{"task_id":{"type":"string","description":"Task id returned by the bash tool."}},"required":["task_id"]}},{"name":"edit","description":"Edit an existing UTF-8 text file by replacing literal text.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to edit, resolved by the filesystem backend."},"old_string":{"type":"string","description":"Literal text to replace. Must match exactly."},"new_string":{"type":"string","description":"Literal replacement text. Use an empty string to delete the match."},"replace_all":{"type":"boolean","description":"Replace all matches. Defaults to false; when false, old_string must appear exactly once."}},"required":["file_path","old_string","new_string"]}},{"name":"read","description":"Read a UTF-8 text file and return line-numbered content.","parameters":{"type":"object","properties":{"file_path":{"type":"string","description":"Path to read, resolved by the filesystem backend."},"offset":{"type":"number","description":"1-based first line to return. Defaults to 1."},"limit":{"type":"number","description":"Maximum number of lines to return. Defaults to 2000."}},"required":["file_path"]}},{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. Only what you print or return comes back — curate it.","parameters":{"type":"object","properties":{"code":{"type":"string","description":"The program: the body of an async TypeScript function."}},"required":["code"]}},{"name":"skill","description":"Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill.","parameters":{"type":"object","properties":{"name":{"type":"string","description":"The exact skill name from the available skills list."}},"required":["name"]}},{"name":"subagent","description":"Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new."}},"required":["description","prompt"]}},{"name":"todo_write","description":"Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. 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Your working directory is {{cwd}}. + +Verify your work by running the code or tests. Keep answers brief and factual. + + +Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. + +Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes. + +Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session. + +Check the [exit code: N] marker on every bash result; investigate failures before moving on. + +Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls. + +## Writing code for run_code + +Pass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program: + +- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools["my-tool"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable. +- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue. +- Calls execute sequentially, even under `Promise.all`. +- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need. + +The available tools: + +```ts +declare const tools: { + /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under <mode> mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */ + bash(args: { + /** The bash command to execute. */ + command: string; + /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: "ls" → "List files in current directory"; "git status" → "Show working tree status"; "npm install" → "Install package dependencies". */ + description: string; + /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */ + timeoutMs?: number; + /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */ + workdir?: string; + /** Run in the background and return a task id immediately. No timeout applies. */ + run_in_background?: boolean; + }): Promise<string>; + /** Ask the executor to kill a running background bash task by task id. */ + bash_kill(args: { + /** Task id returned by the bash tool. */ + task_id: string; + }): Promise<string>; + /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */ + bash_output(args: { + /** Task id returned by the bash tool. */ + task_id: string; + }): Promise<string>; + /** Edit an existing UTF-8 text file by replacing literal text. */ + edit(args: { + /** Path to edit, resolved by the filesystem backend. */ + file_path: string; + /** Literal text to replace. Must match exactly. */ + old_string: string; + /** Literal replacement text. Use an empty string to delete the match. */ + new_string: string; + /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */ + replace_all?: boolean; + }): Promise<string>; + /** Read a UTF-8 text file and return line-numbered content. */ + read(args: { + /** Path to read, resolved by the filesystem backend. */ + file_path: string; + /** 1-based first line to return. Defaults to 1. */ + offset?: number; + /** Maximum number of lines to return. Defaults to 2000. */ + limit?: number; + }): Promise<string>; + /** Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill. */ + skill(args: { + /** The exact skill name from the available skills list. */ + name: string; + }): Promise<string>; + /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */ + subagent(args: { + /** A short (3-5 word) description of the delegated task, for display. */ + description: string; + /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */ + prompt: string; + }): Promise<string>; + /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */ + subagent_fork(args: { + /** A short (3-5 word) description of the delegated task, for display. */ + description: string; + /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */ + prompt: string; + }): Promise<string>; + /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */ + todo_write(args: { + /** The COMPLETE task list, replacing any previous list. */ + todos: ({ + /** What the task is — a short imperative line. */ + content: string; + /** pending (not started) | in_progress (now) | completed (done). */ + status: "pending" | "in_progress" | "completed"; + })[]; + }): Promise<string>; + /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return <value>` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise<any>` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise<any[]>` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise<any[]>` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */ + workflow(args: { + /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return <json-value>`). */ + script: string; + /** The workflow identity block (plain JSON — never code). */ + meta: { + /** Short kebab-case workflow name. */ + name: string; + /** One-line description of what the workflow does. */ + description: string; + /** Optional guidance on when this workflow applies. */ + whenToUse?: string; + /** Optional phase declarations matched by phase() calls. */ + phases?: { + /** The phase title phase() calls match by exact string. */ + title: string; + /** Optional one-line description of the phase. */ + detail?: string; + /** Optional model override this phase is expected to use. */ + model?: string; + }[]; + }; + /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {"files": [...]}). */ + args?: Record<string, unknown>; + }): Promise<string>; + /** Create or fully replace a UTF-8 text file. */ + write(args: { + /** Path to write, resolved by the filesystem backend. */ + file_path: string; + /** Full UTF-8 text content to write. */ + content: string; + }): Promise<string>; +} +``` diff --git a/examples/acp-agent/tests/snapshots/cancel/session.jsonl b/examples/acp-agent/tests/snapshots/cancel/session.jsonl index 6a053c9526..7b2f5adff1 100644 --- a/examples/acp-agent/tests/snapshots/cancel/session.jsonl +++ b/examples/acp-agent/tests/snapshots/cancel/session.jsonl @@ -2,7 +2,8 @@ {"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"Start a long task; this turn will be cancelled mid-stream."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} -{"type":"assistant/chunk","seq":3,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} -{"type":"assistant/chunk","seq":4,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"partial"}}} -{"type":"step/end","seq":5,"time":0,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":6,"time":0,"data":{"turn":1,"reason":{"kind":"aborted","reason":"session/cancel"}}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} +{"type":"assistant/chunk","seq":5,"time":0,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"partial"}}} +{"type":"step/end","seq":6,"time":0,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":7,"time":0,"data":{"turn":1,"reason":{"kind":"aborted","reason":"session/cancel"}}} diff --git a/examples/acp-agent/tests/snapshots/code-mode-turn/input.json b/examples/acp-agent/tests/snapshots/code-mode-turn/input.json new file mode 100644 index 0000000000..c6d4a1039e --- /dev/null +++ b/examples/acp-agent/tests/snapshots/code-mode-turn/input.json @@ -0,0 +1,7 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "prompt", "text": "Using ONE run_code program: call the bash tool twice — exactly `echo CODE_ONE` then exactly `echo CODE_TWO` — and return the two outputs joined with a plus sign. Then reply with that joined string only and stop." } + ] +} diff --git a/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl b/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl new file mode 100644 index 0000000000..9367e2deb0 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/code-mode-turn/session.jsonl @@ -0,0 +1,150 @@ +{"type":"session","version":0,"id":"94cd1ae4-e1d1-4ec8-9d27-50a1f849b6b3","createdAt":1783611771392,"cwd":"/var/folders/2c/psb0_fmx7hbgz558xjt_f0l00000gn/T/acp-snap-cwd-BteTVR"} +{"type":"turn/start","seq":0,"time":1783611771394,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783611771394,"data":{"content":[{"type":"text","text":"Using ONE run_code program: call the bash tool twice — exactly `echo CODE_ONE` then exactly `echo CODE_TWO` — and return the two outputs joined with a plus sign. Then reply with that joined string only and stop."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783611771396,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783611771396,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":[{"name":"run_code","description":"Execute a TypeScript program against the available tools. Write the BODY of an async function (erasable syntax only; top-level `await` and `return` work) and call tools as `await tools.name(args)` per the declarations in the system prompt. 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"_T"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"WO"}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md b/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md new file mode 100644 index 0000000000..5dd8547aa8 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md @@ -0,0 +1,136 @@ +You are an AI agent powered by the DeepSeek Harness SDK. + +You are a coding assistant powered by the deepseek-v4-flash model. Your working directory is {{cwd}}. + +Verify your work by running the code or tests. Keep answers brief and factual. + + +Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. + +Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes. + +Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session. + +Check the [exit code: N] marker on every bash result; investigate failures before moving on. + +Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls. + +## Writing code for run_code + +Pass `run_code` the body of an async TypeScript function (erasable syntax only — no `enum` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program: + +- Call tools as `await tools.name(args)` — quoted access for exotic names: `tools["my-tool"](args)`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable. +- A FAILED tool call rejects with an `Error` carrying the tool's error text — `try/catch` it to handle and continue. +- Calls execute sequentially, even under `Promise.all`. +- Emit results with `return` and/or `console.log(...)`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need. + +The available tools: + +```ts +declare const tools: { + /** Execute a bash command (`bash -c`) and return its stdout/stderr. Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under <mode> mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. Set `run_in_background: true` for long-running commands: the call returns a task id immediately; poll it with `bash_output` and stop it with `bash_kill`. */ + bash(args: { + /** The bash command to execute. */ + command: string; + /** Clear, concise description of what this command does in active voice, 5-10 words (shown in the UI). Examples: "ls" → "List files in current directory"; "git status" → "Show working tree status"; "npm install" → "Install package dependencies". */ + description: string; + /** Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry. */ + timeoutMs?: number; + /** Working directory for this command. Defaults to the session workspace; a relative path is resolved against it. */ + workdir?: string; + /** Run in the background and return a task id immediately. No timeout applies. */ + run_in_background?: boolean; + }): Promise<string>; + /** Ask the executor to kill a running background bash task by task id. */ + bash_kill(args: { + /** Task id returned by the bash tool. */ + task_id: string; + }): Promise<string>; + /** Read new output from a background bash task started with `bash` + `run_in_background`. Returns only output produced since the previous bash_output call, plus the task status. Tasks keep running while you do other work; poll again later for more output. */ + bash_output(args: { + /** Task id returned by the bash tool. */ + task_id: string; + }): Promise<string>; + /** Edit an existing UTF-8 text file by replacing literal text. */ + edit(args: { + /** Path to edit, resolved by the filesystem backend. */ + file_path: string; + /** Literal text to replace. Must match exactly. */ + old_string: string; + /** Literal replacement text. Use an empty string to delete the match. */ + new_string: string; + /** Replace all matches. Defaults to false; when false, old_string must appear exactly once. */ + replace_all?: boolean; + }): Promise<string>; + /** Read a UTF-8 text file and return line-numbered content. */ + read(args: { + /** Path to read, resolved by the filesystem backend. */ + file_path: string; + /** 1-based first line to return. Defaults to 1. */ + offset?: number; + /** Maximum number of lines to return. Defaults to 2000. */ + limit?: number; + }): Promise<string>; + /** Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill. */ + skill(args: { + /** The exact skill name from the available skills list. */ + name: string; + }): Promise<string>; + /** Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. */ + subagent(args: { + /** A short (3-5 word) description of the delegated task, for display. */ + description: string; + /** The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs. */ + prompt: string; + }): Promise<string>; + /** Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. */ + subagent_fork(args: { + /** A short (3-5 word) description of the delegated task, for display. */ + description: string; + /** The task for the subagent. It already sees this conversation's completed turns, so build on them freely and state only what is new. */ + prompt: string; + }): Promise<string>; + /** Record and update a structured task list for the current work. Send the ENTIRE list every call — it REPLACES the previous list (there are no partial updates, no per-item edits). Use it to plan multi-step work and show progress: add one todo per concrete step before you start. Keep AT MOST ONE todo `in_progress` at a time; while work remains, exactly one active task should be `in_progress`. Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished). */ + todo_write(args: { + /** The COMPLETE task list, replacing any previous list. */ + todos: ({ + /** What the task is — a short imperative line. */ + content: string; + /** pending (not started) | in_progress (now) | completed (done). */ + status: "pending" | "in_progress" | "completed"; + })[]; + }): Promise<string>; + /** Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. The workflow's identity rides the `meta` parameter as JSON: required `name` (short kebab-case) and `description` strings, optional `whenToUse` string and `phases` array (`{title, detail?, model?}`). The `script` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO `export const meta` statement — meta is a parameter, not code), running with top-level await; end with `return <value>` — the value must be JSON-serializable and is this tool's result. Script-body hooks: - `agent(prompt, opts?): Promise<any>` — run one subagent to completion. Without `opts.schema` it resolves to the child's final text; with `opts.schema` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves `null` when the child fails (filter with `.filter(Boolean)`). Other opts: `label` (display), `phase` (progress group), `model` (override). Anything else (`effort`/`isolation`/`agentType`) is rejected loudly. - `pipeline(items, ...stages): Promise<any[]>` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives `(prev, item, index)`. An ordinary stage throw drops that ITEM to `null` and skips its remaining stages. - `parallel(thunks): Promise<any[]>` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to `null`. - `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim. Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`. Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes. */ + workflow(args: { + /** The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return <json-value>`). */ + script: string; + /** The workflow identity block (plain JSON — never code). */ + meta: { + /** Short kebab-case workflow name. */ + name: string; + /** One-line description of what the workflow does. */ + description: string; + /** Optional guidance on when this workflow applies. */ + whenToUse?: string; + /** Optional phase declarations matched by phase() calls. */ + phases?: { + /** The phase title phase() calls match by exact string. */ + title: string; + /** Optional one-line description of the phase. */ + detail?: string; + /** Optional model override this phase is expected to use. */ + model?: string; + }[]; + }; + /** Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {"files": [...]}). */ + args?: Record<string, unknown>; + }): Promise<string>; + /** Create or fully replace a UTF-8 text file. */ + write(args: { + /** Path to write, resolved by the filesystem backend. */ + file_path: string; + /** Full UTF-8 text content to write. */ + content: string; + }): Promise<string>; +} +``` diff --git a/examples/acp-agent/tests/snapshots/error-finish/session.jsonl b/examples/acp-agent/tests/snapshots/error-finish/session.jsonl index 6f2ca5aa2a..98538a94c2 100644 --- a/examples/acp-agent/tests/snapshots/error-finish/session.jsonl +++ b/examples/acp-agent/tests/snapshots/error-finish/session.jsonl @@ -2,5 +2,6 @@ {"type":"turn/start","seq":0,"time":0,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} {"type":"user/message","seq":1,"time":0,"data":{"content":[{"type":"text","text":"This prompt triggers a recorded provider error."}],"source":{"kind":"user"}},"surfaceOp":"append"} {"type":"step/start","seq":2,"time":0,"data":{"turn":1,"step":1}} -{"type":"step/end","seq":3,"time":0,"data":{"turn":1,"step":1}} -{"type":"turn/end","seq":4,"time":0,"data":{"turn":1,"reason":{"kind":"error","step":1,"message":"simulated provider error (HTTP 401)","code":"AUTH"}}} +{"type":"request/header","seq":3,"time":0,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} +{"type":"step/end","seq":4,"time":0,"data":{"turn":1,"step":1}} +{"type":"turn/end","seq":5,"time":0,"data":{"turn":1,"reason":{"kind":"error","step":1,"message":"simulated provider error (HTTP 401)","code":"AUTH"}}} diff --git a/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl b/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl index d491e4cf0f..90f009946d 100644 --- a/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl +++ b/examples/acp-agent/tests/snapshots/fs-edit/session.jsonl @@ -1,131 +1,159 @@ -{"type":"session","version":0,"id":"554ed85e-1fa3-4791-b4a2-9256b53f8add","createdAt":1783069537397,"cwd":"/tmp/acp-snap-cwd-qAWDep"} -{"type":"turn/start","seq":0,"time":1783069537400,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1783069537400,"data":{"content":[{"type":"text","text":"First use the read tool to read config.txt in the current directory. Then use the edit tool (NOT bash) to replace the literal text DEBUG with RELEASE in that file. Then reply with exactly the single word DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} -{"type":"step/start","seq":2,"time":1783069537401,"data":{"turn":1,"step":1}} -{"type":"assistant/chunk","seq":3,"time":1783069537851,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} -{"type":"assistant/chunk","seq":4,"time":1783069537851,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Let"}}} -{"type":"assistant/chunk","seq":5,"time":1783069537974,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" me"}}} -{"type":"assistant/chunk","seq":6,"time":1783069538002,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" start"}}} -{"type":"assistant/chunk","seq":7,"time":1783069538003,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":" by"}}} 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Do not call this tool with these exact arguments again. Inspect the latest result and choose a different action, different arguments, or finish the task if enough evidence has been gathered."}],"source":{"kind":"plugin","plugin":"repeat-tool-guard"}},"surfaceOp":"append"} +{"type":"step/end","seq":59,"time":0,"data":{"turn":1,"step":5}} +{"type":"step/start","seq":60,"time":0,"data":{"turn":1,"step":6}} +{"type":"assistant/chunk","seq":61,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"block-start","index":0,"blockType":"text"}}} +{"type":"assistant/chunk","seq":62,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"text-delta","index":0,"text":"DONE."}}} +{"type":"assistant/chunk","seq":63,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"DONE."}}}} +{"type":"assistant/chunk","seq":64,"time":0,"data":{"turn":1,"step":6,"chunk":{"type":"usage","usage":{"inputTokens":10,"outputTokens":3}}}} 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_4","status":"completed","content":[{"type":"content","content":{"type":"text","text":"Updated todo list: 0 pending, 1 in progress, 0 completed."}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_5","title":"Update todo list","kind":"other","status":"in_progress","rawInput":[{"content":"watch the kettle boil","status":"in_progress"}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"plan","entries":[{"content":"watch the kettle boil","priority":"medium","status":"in_progress"}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_5","status":"completed","content":[{"type":"content","content":{"type":"text","text":"Updated todo list: 0 pending, 1 in progress, 0 completed."}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"DONE."}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/input.json b/examples/acp-agent/tests/snapshots/skill-load/input.json new file mode 100644 index 0000000000..a5ee78bff6 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/input.json @@ -0,0 +1,7 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "prompt", "text": "Load the snapshot-skill skill with the skill tool, then reply DONE." } + ] +} diff --git a/examples/acp-agent/tests/snapshots/skill-load/session.jsonl b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl new file mode 100644 index 0000000000..645671709e --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/session.jsonl @@ -0,0 +1,29 @@ +{"type":"session","version":0,"id":"9eb4181f-2d05-49d3-98fc-3711fe2f5664","createdAt":1783654655599,"cwd":"/var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW"} +{"type":"turn/start","seq":0,"time":1783654655602,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783654655603,"data":{"content":[{"type":"text","text":"Load the snapshot-skill skill with the skill tool, then reply DONE."}],"source":{"kind":"user"}},"surfaceOp":"append"} +{"type":"step/start","seq":2,"time":1783654655608,"data":{"turn":1,"step":1}} +{"type":"request/header","seq":3,"time":1783654655608,"data":{"header":{"config":{"model":"deepseek-v4-flash"},"system":"{{system}}","tools":[{"name":"bash","description":"Execute a bash command (`bash -c`) and return its stdout/stderr. 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Give it a complete, standalone prompt: it does not see this conversation.","parameters":{"type":"object","properties":{"description":{"type":"string","description":"A short (3-5 word) description of the delegated task, for display."},"prompt":{"type":"string","description":"The complete, self-contained task for the subagent. It does not share this conversation's context, so include everything it needs."}},"required":["description","prompt"]}},{"name":"subagent_fork","description":"Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. 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Mark a todo `completed` the moment it is done (do not batch completions), and allow no `in_progress` item only once all work is complete. Skip the list for trivial single-step tasks. Statuses: `pending` (not started), `in_progress` (being worked on now), `completed` (finished).","parameters":{"type":"object","properties":{"todos":{"type":"array","description":"The COMPLETE task list, replacing any previous list.","items":{"type":"object","properties":{"content":{"type":"string","description":"What the task is — a short imperative line."},"status":{"type":"string","description":"pending (not started) | in_progress (now) | completed (done).","enum":["pending","in_progress","completed"]}},"required":["content","status"]}}},"required":["todos"]}},{"name":"workflow","description":"Run a JavaScript workflow script that orchestrates subagents at scale. 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A throwing thunk resolves to `null`.\n- `phase(title)` — start a progress phase; `log(message)` — narrate progress; `args` — the tool call's `args` input, verbatim.\n\nMisused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item `null`.\n\nConstraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. 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This catalog contains summaries only; do not infer or follow a skill's instructions until it has been loaded.\n</system-reminder>"}]}]},"reason":"initial"}} +{"type":"assistant/chunk","seq":4,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}} +{"type":"assistant/chunk","seq":5,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"reasoning-delta","index":0,"text":"Load the requested skill."}}} +{"type":"assistant/chunk","seq":6,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"tool-call"}}} +{"type":"assistant/chunk","seq":7,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":1,"id":"call_skill_load","name":"skill","argumentsDelta":"{\"name\":\"snapshot-skill\"}"}}} +{"type":"assistant/chunk","seq":8,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"reasoning","text":"Load the requested skill."}}}} +{"type":"assistant/chunk","seq":9,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":1,"block":{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"snapshot-skill\"}"}}}} +{"type":"assistant/chunk","seq":10,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}}}} +{"type":"assistant/chunk","seq":11,"time":1783654655609,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}} +{"type":"assistant/message","seq":12,"time":1783654655609,"data":{"turn":1,"step":1,"content":[{"type":"reasoning","text":"Load the requested skill."},{"type":"tool-call","id":"call_skill_load","name":"skill","arguments":"{\"name\":\"snapshot-skill\"}"}],"usage":{"inputTokens":100,"outputTokens":20,"cacheReadTokens":0,"reasoningTokens":5}},"sourceEventSeqs":[4,5,6,7,8,9,10,11],"surfaceOp":"append"} +{"type":"tool/call","seq":13,"time":1783654655609,"data":{"turn":1,"step":1,"callId":"call_skill_load","name":"skill","arguments":"{\"name\":\"snapshot-skill\"}"}} +{"type":"tool/result","seq":14,"time":1783654655610,"data":{"turn":1,"step":1,"callId":"call_skill_load","content":[{"type":"text","text":"<skill_content name=\"snapshot-skill\">\n<skill_resources>\nBase directory for this skill: /var/folders/_g/59jgff8x2gqd39f5vy1wnbfc0000gn/T/acp-snap-cwd-DhYwNW/.dsh/skills/snapshot-skill\nResolve relative paths mentioned by this skill against the base directory before using them. 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Load referenced resources only as needed.\n</skill_resources>\n\n<skill_instructions>\nFollow these snapshot-only instructions.\nResolve referenced resources relative to this skill directory.\n</skill_instructions>\n</skill_content>"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The skill is loaded."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"DONE"}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/examples/acp-agent/tests/snapshots/skill-load/system-prompt.golden.md b/examples/acp-agent/tests/snapshots/skill-load/system-prompt.golden.md new file mode 100644 index 0000000000..18f0cbcd07 --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/system-prompt.golden.md @@ -0,0 +1,16 @@ +You are an AI agent powered by the DeepSeek Harness SDK. + +You are a coding assistant powered by the deepseek-v4-flash model. Your working directory is {{cwd}}. + +Verify your work by running the code or tests. Keep answers brief and factual. + + +Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. + +Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes. + +Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session. + +Check the [exit code: N] marker on every bash result; investigate failures before moving on. + +Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls. diff --git a/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/snapshot-skill/SKILL.md b/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/snapshot-skill/SKILL.md new file mode 100644 index 0000000000..b0816d6bee --- /dev/null +++ b/examples/acp-agent/tests/snapshots/skill-load/workspace/.dsh/skills/snapshot-skill/SKILL.md @@ -0,0 +1,7 @@ +--- +name: snapshot-skill +description: Exercise project skill discovery and loading in snapshot tests. +--- + +Follow these snapshot-only instructions. +Resolve referenced resources relative to this skill directory. diff --git a/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl b/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl index 8bc3d394ad..409fa1428d 100644 --- a/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-fork/session.1.jsonl @@ -1,89 +1,89 @@ -{"type":"session","version":0,"id":"906f1eac-a457-4eb9-828b-1ba537552524","createdAt":1782133845692,"cwd":"/tmp/acp-snap-cwd-Ml0DrO","parentSession":"f2358dc0-75f8-4649-8440-ab94b8e10dc3","seedLength":38} -{"type":"turn/start","seq":0,"time":1782133842298,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1782133842298,"data":{"content":[{"type":"text","text":"Remember this fact for later: the project codeword is MARMALADE. 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Second (forked child): \"SAFFRON\" - correctly inherited the conversation context where I was asked to remember the codeword \"SAFFRON\".\n\nNow I reply with \"PARENT_DONE\" as instructed."},{"type":"text","text":"PARENT_DONE"}],"usage":{"inputTokens":69,"outputTokens":69,"cacheReadTokens":3200,"reasoningTokens":64}},"sourceEventSeqs":[210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263,264,265,266,267,268,269,270,271,272,273,274,275,276,277,278,279,280,281,282,283],"surfaceOp":"append"} +{"type":"step/end","seq":285,"time":1783352149822,"data":{"turn":2,"step":3}} +{"type":"turn/end","seq":286,"time":1783352149822,"data":{"turn":2,"reason":{"kind":"completed"}}} diff --git a/examples/acp-agent/tests/snapshots/subagent-mixed/stdout.golden.jsonl b/examples/acp-agent/tests/snapshots/subagent-mixed/stdout.golden.jsonl index c0aad6ad3b..e709fd09cd 100644 --- a/examples/acp-agent/tests/snapshots/subagent-mixed/stdout.golden.jsonl +++ b/examples/acp-agent/tests/snapshots/subagent-mixed/stdout.golden.jsonl @@ -2,8 +2,7 @@ {"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" user"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" is"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" asking"}}}} 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\"."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_YvHr2bGomk5HhpgDTvE81896","title":"subagent","kind":"other","status":"in_progress","rawInput":{"description":"Reply ALPHA only","prompt":"Reply with exactly the word ALPHA and nothing else."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_YvHr2bGomk5HhpgDTvE81896","status":"completed","content":[{"type":"content","content":{"type":"text","text":"ALPHA"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" first"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" sub"}}}} @@ -148,13 +71,24 @@ {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" need"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" to"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" use"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" sub"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"agent"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"_f"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ork"}}}} 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"fork"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ed"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" child"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" that"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" inher"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"its"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" this"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" conversation"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":")"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" to"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" ask"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" about"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" project"}}}} @@ -162,57 +96,61 @@ {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ew"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ord"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" Since"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" for"}}}} 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"SA"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"FF"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"RON"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\".\n\n"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"Now"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" I"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" \""}}}} @@ -220,7 +158,10 @@ {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ENT"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"_D"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"ONE"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\"."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\""}}}} 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Your working directory is {{cwd}}. + +Verify your work by running the code or tests. Keep answers brief and factual. + + +Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files. + +Use the write tool to create files or completely replace file contents. Existing files are overwritten, so read an existing file first (the default fs-policy requires it) and prefer edit for targeted changes. + +Use the edit tool for targeted changes to existing UTF-8 text files. It replaces literal old_string with new_string; by default old_string must appear exactly once. If old_string appears multiple times, provide a more specific old_string or set replace_all to true. Read the file first (the default fs-policy requires it), unless you just created or edited it in this session. + +Check the [exit code: N] marker on every bash result; investigate failures before moving on. + +Use the workflow tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls. diff --git a/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl b/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl index 6fc52b6a4b..8e93132d30 100644 --- a/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl +++ b/examples/acp-agent/tests/snapshots/todo-plan/session.jsonl @@ -1,124 +1,134 @@ -{"type":"session","version":0,"id":"259ed557-03cf-4f50-9592-fc7fdbece7f3","createdAt":1782701599718,"cwd":"/tmp/acp-snap-cwd-4xZzZ9"} -{"type":"turn/start","seq":0,"time":1782701599722,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} -{"type":"user/message","seq":1,"time":1782701599722,"data":{"content":[{"type":"text","text":"Use the todo_write tool to record a plan with exactly three todos: \"read the code\" (in_progress), \"write the fix\" (pending), \"run the tests\" (pending). Send all three in one todo_write call. 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" Then"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" cat"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" it"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" to"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" confirm"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_IUUvbNiPcnwhVL8ErEFS4806","title":"printf '\\nWORLD' >> greeting.txt","kind":"execute","status":"in_progress","rawInput":"printf '\\nWORLD' >> greeting.txt","content":[{"type":"content","content":{"type":"text","text":"Append newline and WORLD to greeting.txt"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_IUUvbNiPcnwhVL8ErEFS4806","status":"completed","content":[{"type":"content","content":{"type":"text","text":"```console\n(no output)\n```"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"Good"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":","}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" now"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" let"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" me"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" read"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" the"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" file"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" back"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" cat"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_SkCP8dgN8aCbLiZDcYa68316","title":"cat greeting.txt","kind":"execute","status":"in_progress","rawInput":"cat greeting.txt","content":[{"type":"content","content":{"type":"text","text":"Read greeting.txt to confirm"}}]}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_SkCP8dgN8aCbLiZDcYa68316","status":"completed","content":[{"type":"content","content":{"type":"text","text":"```console\nhello\nWORLD\n```"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call","toolCallId":"call_00_Wo4H7tFNheZJWKVDrAHK5851","title":"cat greeting.txt","kind":"execute","status":"in_progress","rawInput":"cat greeting.txt","content":[{"type":"content","content":{"type":"text","text":"Read greeting.txt to confirm"}}]}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"tool_call_update","toolCallId":"call_00_Wo4H7tFNheZJWKVDrAHK5851","status":"completed","content":[{"type":"content","content":{"type":"text","text":"```console\nhello\n\nWORLD\n```"}}]}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"The"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" file"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" now"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" has"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" two"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" lines"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":":\n"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"1"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" I"}}}} -{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"'ll"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" hello"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\n"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"2"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"."}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" WORLD"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"\n\n"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":"I"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" can"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" reply"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" with"}}}} {"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_thought_chunk","content":{"type":"text","text":" D"}}}} diff --git a/examples/coding-agent/README.md b/examples/coding-agent/README.md index 4b15d2dc5a..7731aa8f09 100644 --- a/examples/coding-agent/README.md +++ b/examples/coding-agent/README.md @@ -31,6 +31,21 @@ RESUME_SESSION_ID=<prior-session-id> pnpm run demo:repl The id is wired through `cordis.yml` (`resumeSessionId: !!js process.env.RESUME_SESSION_ID`); unset, the agent starts a new session. A missing/unreadable id is non-fatal — it logs a warning and starts no `main` agent. +## Code Mode + +[`code-mode.cordis.yml`](code-mode.cordis.yml) is this same tree flipped to [Code Mode](../../docs/rfc/implemented/feature/2026-06-15-code-mode.md): an include overlay over `./cordis.yml` whose two patches insert the worker-thread code runtime (`@deepseek-ai/dsh-code-runtime-worker`, registering `ctx.codeRuntime`) and set `tools: { mode: code }` on the app. The model is then offered exactly ONE wire tool — `run_code` — plus a generated TypeScript SDK section declaring every other registered tool; it composes them by writing a program, each program tool call bridges back through the ordinary `tools/pre-execute`/`post-execute` pipeline one at a time and is logged as a `tool/code-dispatch` session event, and ONLY what the program prints or returns re-enters its context. (Flip the mode to `both` to offer native calls AND `run_code` side by side.) + +```sh +pnpm run demo:code-mode # this overlay under the REPL (default UI) +pnpm run demo:code-mode acp # the acp-agent example's same-shaped overlay +``` + +Try a task that spans several tool calls, e.g.: + +> Count the lines of every `*.md` file under docs/ and write the three largest to summary.txt. + +and watch the transcript: one `run_code` call, a program looping over tools, and a result the model curated instead of five round-trips of raw tool output. + ## What each leaf entry demonstrates This example is a thin leaf `cordis.yml`: it picks the swappable backends, loads one app package, and adds product tools that are intentionally outside the shared spine. The spine (sessions, system-prompt, tools, agents, invariants, `agent-loop`) and the front-door cluster (console logger, JSONL persistence, readline UI, the pre-created `main` agent) live inside the [`@deepseek-ai/dsh-stdio-agent`](../../packages/ui/stdio-agent) app and the [`@deepseek-ai/dsh-agent-core`](../../packages/core/agent-core) bundle it loads; the leaf wires the backends and model-facing optional tools: @@ -54,4 +69,4 @@ This example is a thin leaf `cordis.yml`: it picks the swappable backends, loads - `tests/compaction.e2e.ts` — the compaction smoke: a real multi-step bash task runs with a deliberately tiny context window so the auto-compaction listener fires MID-SESSION. Verifies the WORLD — a `compact/start…end` pair landed in the real log, the surface shrank (a replace node shadowed older nodes), and the agent still produced a correct final answer after compaction. - `tests/todo-write.e2e.ts` — a real model drives the real `todo_write` tool and the test verifies the resulting `todo/write` session event. -These self-skip without `DEEPSEEK_API_KEY`. The keyless boot smoke is `tests/keyless-smoke.e2e.ts` (boots the full real tree with a dummy key and no prompt, so no model call), which runs in the default e2e gate. +These self-skip without `DEEPSEEK_API_KEY`. `tests/code-mode.e2e.ts` is the with-key Code Mode proof — a real model, a two-tool task, asserting the wire tool list was exactly `[run_code]`, the `tool/code-dispatch` events landed under the parent call, and the curated answer came back. The keyless boot smokes run in the default e2e gate: `tests/keyless-smoke.e2e.ts` (the full real tree, dummy key, no prompt → no model call) and `tests/code-mode-keyless-smoke.e2e.ts` (the same guard for the Code Mode overlay). diff --git a/examples/coding-agent/code-mode.cordis.yml b/examples/coding-agent/code-mode.cordis.yml new file mode 100644 index 0000000000..ac4ce03570 --- /dev/null +++ b/examples/coding-agent/code-mode.cordis.yml @@ -0,0 +1,33 @@ +# Code Mode overlay: the live coding-agent tree (./cordis.yml) with two +# load-time patches — the app entry's config gains `tools: { mode: code }` +# (the registry offers exactly one wire tool, run_code, plus the generated +# TypeScript SDK prompt section declaring bash/read/write/edit/subagent/ +# todo_write) and the worker-thread code runtime joins the tree as +# `ctx.codeRuntime`. The dsh-stdio-agent bin boots this file for +# `pnpm run demo:code-mode` (the acp-agent example carries the same-shaped +# overlay for the `acp` UI). A config patch REPLACES the entry's whole +# config, so the base entry's fields are restated verbatim; only `tools`, +# the welcome, and the persona's second paragraph are Code Mode deltas. +- id: base + name: '@cordisjs/plugin-include' + config: + path: ./cordis.yml + patches: + - id: stdio-agent + name: '@deepseek-ai/dsh-stdio-agent' + config: + model: deepseek-v4-flash + resumeSessionId: !!js process.env.RESUME_SESSION_ID + persistenceRoot: './.sessions' + tools: + mode: code + welcome: 'code-mode agent ready. Give it a multi-tool task.' + persona: | + You are coding-agent, a coding assistant powered by the {{model}} model. + + You work by writing TypeScript programs for run_code: batch related + tool work into one program, loop and branch where it helps, and print + or return ONLY the findings that matter. + - insert: + - id: code-runtime + name: '@deepseek-ai/dsh-code-runtime-worker' diff --git a/examples/coding-agent/composition.md b/examples/coding-agent/composition.md new file mode 100644 index 0000000000..be9a457124 --- /dev/null +++ b/examples/coding-agent/composition.md @@ -0,0 +1,73 @@ +<!-- Generated by scripts/gen-doc-graphs.ts - do not edit by hand. + Run `pnpm run gen-doc-graphs` to regenerate. --> + +# Coding Agent App Composition + +The coding REPL demo adds the real DeepSeek adapter, filesystem tools, todo_write, compaction, and both subagent transports on top of the stdio app package. + +```mermaid +flowchart LR + cfg["examples/coding-agent<br/>cordis.yml"] + plugin_coding_hmr["hmr<br/>@cordisjs/plugin-hmr"] + cfg --> plugin_coding_hmr + plugin_coding_llm_deepseek["llm-deepseek<br/>@deepseek-ai/dsh-llm-deepseek"] + cfg --> plugin_coding_llm_deepseek + plugin_coding_bash["bash<br/>@deepseek-ai/dsh-bash-local"] + cfg --> plugin_coding_bash + plugin_coding_stdio_agent["stdio-agent<br/>@deepseek-ai/dsh-stdio-agent"] + cfg --> plugin_coding_stdio_agent + plugin_coding_stdio_agent --> bundle_agent_core["@deepseek-ai/dsh-agent-core"] + plugin_coding_stdio_agent --> bundle_jsonl["@deepseek-ai/dsh-session-persistence-jsonl"] + plugin_coding_stdio_agent --> frontdoor_stdio["readline UI<br/>console logger<br/>pre-created main agent"] + bundle_agent_core --> spine_llm["ctx.llm"] + bundle_agent_core --> spine_sessions["ctx.sessions"] + bundle_agent_core --> spine_tools["ctx.tools + tool-bash"] + bundle_agent_core --> spine_loop["ctx.agents + ctx.agentLoop"] + plugin_coding_compact_basic["compact-basic<br/>@deepseek-ai/dsh-compact-basic"] + cfg --> plugin_coding_compact_basic + plugin_coding_subagent["subagent<br/>@deepseek-ai/dsh-subagent"] + cfg --> plugin_coding_subagent + plugin_coding_subagent_spawn["subagent-spawn<br/>@deepseek-ai/dsh-subagent-spawn"] + cfg --> plugin_coding_subagent_spawn + plugin_coding_subagent_fork["subagent-fork<br/>@deepseek-ai/dsh-subagent-fork"] + cfg --> plugin_coding_subagent_fork + plugin_coding_tool_subagent["tool-subagent<br/>@deepseek-ai/dsh-tool-subagent"] + cfg --> plugin_coding_tool_subagent + plugin_coding_tool_subagent_fork["tool-subagent-fork<br/>@deepseek-ai/dsh-tool-subagent"] + cfg --> plugin_coding_tool_subagent_fork + plugin_coding_workflow_workerthread["workflow-workerthread<br/>@deepseek-ai/dsh-workflow-workerthread"] + cfg --> plugin_coding_workflow_workerthread + plugin_coding_tool_workflow["tool-workflow<br/>@deepseek-ai/dsh-tool-workflow"] + cfg --> plugin_coding_tool_workflow + plugin_coding_tool_todo["tool-todo<br/>@deepseek-ai/dsh-tool-todo"] + cfg --> plugin_coding_tool_todo + plugin_coding_fs_local["fs-local<br/>@deepseek-ai/dsh-fs-local"] + cfg --> plugin_coding_fs_local + plugin_coding_fs_policy["fs-policy<br/>@deepseek-ai/dsh-fs-policy"] + cfg --> plugin_coding_fs_policy + plugin_coding_tool_fs["tool-fs<br/>@deepseek-ai/dsh-tool-fs"] + cfg --> plugin_coding_tool_fs +``` + +| Plugin id | Package / module | +| --- | --- | +| `hmr` | `@cordisjs/plugin-hmr` | +| `llm-deepseek` | `@deepseek-ai/dsh-llm-deepseek` | +| `bash` | `@deepseek-ai/dsh-bash-local` | +| `stdio-agent` | `@deepseek-ai/dsh-stdio-agent` | +| `compact-basic` | `@deepseek-ai/dsh-compact-basic` | +| `subagent` | `@deepseek-ai/dsh-subagent` | +| `subagent-spawn` | `@deepseek-ai/dsh-subagent-spawn` | +| `subagent-fork` | `@deepseek-ai/dsh-subagent-fork` | +| `tool-subagent` | `@deepseek-ai/dsh-tool-subagent` | +| `tool-subagent-fork` | `@deepseek-ai/dsh-tool-subagent` | +| `workflow-workerthread` | `@deepseek-ai/dsh-workflow-workerthread` | +| `tool-workflow` | `@deepseek-ai/dsh-tool-workflow` | +| `tool-todo` | `@deepseek-ai/dsh-tool-todo` | +| `fs-local` | `@deepseek-ai/dsh-fs-local` | +| `fs-policy` | `@deepseek-ai/dsh-fs-policy` | +| `tool-fs` | `@deepseek-ai/dsh-tool-fs` | + +Source config: [`examples/coding-agent/cordis.yml`](cordis.yml). + +Maintenance mode: hybrid: the leaf plugin list is parsed from its `cordis.yml`; app package expansion is curated from package source. diff --git a/examples/coding-agent/cordis.yml b/examples/coding-agent/cordis.yml index 0c95299fca..cf2e267e06 100644 --- a/examples/coding-agent/cordis.yml +++ b/examples/coding-agent/cordis.yml @@ -28,9 +28,8 @@ - deepseek-v4-pro - deepseek-v4-flash -# Local bash executor for agent-core's tool-bash schema. -# FIXME(config-comments): keep this executor note from implying bash is the -# whole tool set; filesystem, subagent, and todo_write are loaded below. +# Local bash executor for agent-core's tool-bash schema (one of several tool +# stacks in this tree: filesystem, subagent, and todo_write load below). - id: bash name: '@deepseek-ai/dsh-bash-local' config: @@ -46,33 +45,16 @@ # under ./.sessions); unset starts a fresh session each run. resumeSessionId: !!js process.env.RESUME_SESSION_ID persistenceRoot: './.sessions' - welcome: 'agent REPL ready. Give it a coding task (its tools are read, write, edit, bash, subagent, and todo_write).' - systemPrompt: | - You are coding-agent, a CLI coding assistant. + welcome: 'agent REPL ready. Give it a coding task.' + # The persona: identity + behavior only, nothing about transports or + # tooling — tool guidance lives with each tool plugin (descriptions + + # prompt sections). {{model}} is the prompt variable the agent loop + # resolves from this agent's configured model. + persona: | + You are coding-agent, a coding assistant powered by the {{model}} model. - Your tools are read/write/edit for file operations, bash (plus - bash_output/bash_kill for background tasks), and subagent. Use read to - inspect UTF-8 text files, write to create or replace files, and edit for - targeted literal replacements. Use bash for shell commands, tests, - searches, and operations that are not ordinary file reads or edits. Each - bash call runs in a fresh shell — pass workdir instead of cd, and never - rely on shell state between calls. - - Use the subagent tool to delegate a focused, self-contained subtask - to a fresh child agent (it works in its own context and returns only - its final result) — give it a complete, standalone instruction. Use - subagent_fork instead when the subtask needs THIS conversation's - context: the child inherits the log so far. - - Check the [exit code: N] marker on every command; investigate - failures before moving on. Verify your work by running the code or - tests. Keep answers brief and factual. - - For multi-step work, use the todo_write tool to track a task list: - send the WHOLE list each call (it replaces the previous one), keep at - most one task in_progress (exactly one while work remains), and mark a - task completed as soon as it is done. Skip it for trivial single-step - tasks. + Verify your work by running the code or tests. Keep answers brief and + factual. # Automatic context compaction: when the derived history approaches the model's # context window, summarize an older range into a checkpoint so a long-running @@ -120,6 +102,18 @@ provider: fork toolName: subagent_fork + +# Dynamic workflows: the worker-thread engine (ctx.workflows) over the spawn +# subagent backend above, plus the model-facing `workflow` tool. The model +# writes a JavaScript orchestration script (meta + body); the engine runs it +# in its own worker thread and fans agent() calls out as spawn children. +- id: workflow-workerthread + name: '@deepseek-ai/dsh-workflow-workerthread' + config: + provider: spawn + +- id: tool-workflow + name: '@deepseek-ai/dsh-tool-workflow' # The model-facing todo_write tool: whole-list task tracking written to the # session log (todo/write), rendered as a stdio checklist / ACP plan. - id: tool-todo diff --git a/examples/coding-agent/tests/code-mode-keyless-smoke.e2e.ts b/examples/coding-agent/tests/code-mode-keyless-smoke.e2e.ts new file mode 100644 index 0000000000..6c0c6afd3a --- /dev/null +++ b/examples/coding-agent/tests/code-mode-keyless-smoke.e2e.ts @@ -0,0 +1,91 @@ +import { spawn, type ChildProcessWithoutNullStreams } from 'node:child_process' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { afterEach, describe, expect, it } from 'vitest' + +/** + * Keyless Loader-path smoke for the Code Mode overlay: boot the REAL + * example through the `@deepseek-ai/dsh-stdio-agent` bin against + * `code-mode.cordis.yml` (the cordis Loader, `unwrapExports`, the include + * patches over ./cordis.yml, the worker-thread code runtime, and the + * registry in `mode: code`), then close stdin with no prompt and assert + * the Code Mode banner + a clean exit. + * + * No prompt is ever sent, so the model is NEVER called and no `run_code` + * turn happens — a dummy key lets `llm-deepseek`'s key-PRESENT check boot + * the tree. This is the export-shape guard (postmortem 0001) for the Code + * Mode composition; the with-key proof lives in `code-mode.e2e.ts`. + */ + +const binScript = fileURLToPath(new URL('../../../packages/ui/stdio-agent/src/bin.ts', import.meta.url)) +const configPath = fileURLToPath(new URL('../code-mode.cordis.yml', import.meta.url)) +const tsxLoader = fileURLToPath(import.meta.resolve('tsx')) +// Dev/test run UNBUILT: resolve `@deepseek-ai/dsh-*` through the root tsconfig +// `paths` map; tsx searches UP from cwd, and we spawn from a temp dir outside +// the repo, so point it at the repo tsconfig. +const repoTsconfig = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)) + +let child: ChildProcessWithoutNullStreams | undefined +let workdir: string | undefined + +afterEach(async () => { + if (child !== undefined && child.exitCode === null) child.kill('SIGKILL') + child = undefined + if (workdir !== undefined) await rm(workdir, { recursive: true, force: true }) + workdir = undefined +}) + +async function bootAndEof(): Promise<{ stdout: string; code: number }> { + workdir = await mkdtemp(join(tmpdir(), 'code-mode-smoke-')) + const cwd = workdir + return new Promise((resolve, reject) => { + const proc = spawn( + process.execPath, + // --expose-internals: the included cordis.yml loads the HMR plugin (mirrors demo:code-mode). + ['--expose-internals', '--import', tsxLoader, binScript, configPath], + { + cwd, + env: { + ...process.env, + TSX_TSCONFIG_PATH: repoTsconfig, + // A dummy key so llm-deepseek's apply() (key-PRESENT check only) boots. + // No prompt is sent, so the adapter never streams — no network call. + DEEPSEEK_API_KEY: 'keyless-smoke-no-call', + }, + stdio: ['pipe', 'pipe', 'pipe'], + }, + ) + child = proc + let stdout = '' + let stderr = '' + proc.stdout.setEncoding('utf8') + proc.stdout.on('data', (chunk: string) => { stdout += chunk }) + proc.stderr.setEncoding('utf8') + proc.stderr.on('data', (chunk: string) => { stderr += chunk }) + + const timer = setTimeout(() => { + proc.kill('SIGKILL') + reject(new Error(`code-mode overlay did not exit within 30s. stdout:\n${stdout}\nstderr:\n${stderr}`)) + }, 30_000) + + proc.on('exit', (code) => { + clearTimeout(timer) + if (code === 0) resolve({ stdout, code }) + else reject(new Error(`code-mode overlay exited ${code}. stderr:\n${stderr}`)) + }) + proc.on('error', (err) => { clearTimeout(timer); reject(err) }) + + // No prompt — just EOF, so the stdio UI exits without ever running a turn. + proc.stdin.end() + }) +} + +describe('code-mode overlay keyless smoke (real code-mode.cordis.yml via the Loader)', () => { + it('boots the Code Mode plugin tree, prints its banner, and exits cleanly on EOF', async () => { + const { stdout, code } = await bootAndEof() + expect(code).toBe(0) + expect(stdout).toContain('code-mode agent ready.') + }, 45_000) +}) diff --git a/examples/coding-agent/tests/code-mode.e2e.ts b/examples/coding-agent/tests/code-mode.e2e.ts new file mode 100644 index 0000000000..512688d88d --- /dev/null +++ b/examples/coding-agent/tests/code-mode.e2e.ts @@ -0,0 +1,115 @@ +import { mkdtemp, readFile, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import type { SessionEvent } from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry, { RUN_CODE_NAME } from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop, { type ReactLoopAgent } from '@deepseek-ai/dsh-agent-loop' +import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' +import * as ToolBash from '@deepseek-ai/dsh-tool-bash' +import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' +import { WorkerCodeRuntime } from '@deepseek-ai/dsh-code-runtime-worker' + +/** + * The Code Mode with-key proof (the RFC's e2e tier): a REAL model under + * `mode: 'code'`, a task that requires composing two tool calls, verified + * against the WORLD — the persisted request header carried exactly + * `[run_code]` as the wire tool list, each sub-call landed as a + * `tool/code-dispatch` event, the file the program wrote exists on disk, and + * the final answer is the program's curated output. Key-gated (see + * vitest.e2e.config.ts); the keyless Loader-path smoke of the overlay lives + * in `code-mode-keyless-smoke.e2e.ts`. + */ + +const PERSONA = 'You are coding-agent. You work by writing TypeScript programs for run_code: ' + + 'batch related tool work into one program and print or return ONLY the findings that matter.' + +let ctx: Context | undefined +let workdir: string | undefined + +afterEach(async () => { + // Always dispose, even on failure/retry/timeout: agent-loop teardown stops + // the loop, the executor kills stray processes, and the code runtime's + // dispose awaits worker exits. + await ctx?.fiber.dispose() + ctx = undefined + if (workdir !== undefined) await rm(workdir, { recursive: true, force: true }) + workdir = undefined +}) + +async function codeModeHarness(cwd: string): Promise<Context> { + const harness = new Context() + await harness.plugin(LlmService) + await harness.plugin(SessionStore) + await harness.plugin(SystemPrompt, { persona: PERSONA }) + await harness.plugin(ToolRegistry, { mode: 'code' }) + await harness.plugin(AgentRegistry) + await harness.plugin(AgentLoop, { agents: [] }) + await harness.plugin(LlmDeepSeek, { models: ['deepseek-v4-flash'] }) + await harness.plugin(LocalBashExecutor, { cwd, timeoutMs: 30_000 }) + await harness.plugin(ToolBash) + await harness.plugin(WorkerCodeRuntime, {}) + return harness +} + +function waitForIdle(harness: Context, agent: ReactLoopAgent): Promise<void> { + return new Promise((resolve) => { + const dispose = harness.on('agent/status', (subject, status) => { + if (subject === agent && status === 'idle') { + dispose() + resolve() + } + }) + }) +} + +describe.skipIf(!process.env.DEEPSEEK_API_KEY)('Code Mode: real model writes a program over real tools', () => { + it('collapses the wire tool list to [run_code], bridges sub-calls, and returns curated output', async () => { + workdir = await mkdtemp(join(tmpdir(), 'dsh-code-mode-e2e-')) + ctx = await codeModeHarness(workdir) + const agent = ctx.agentLoop.create(AgentId('e2e-code-mode'), { model: 'deepseek-v4-flash' }) + + agent.send([{ + type: 'text', + text: 'Using one run_code program: run `echo alpha-7` with the bash tool, run `echo beta-9` with the bash tool, ' + + 'then write both outputs joined by a plus sign into combined.txt (bash heredoc or redirect), ' + + 'and return only the joined string.', + }]) + await waitForIdle(ctx, agent) + const events: SessionEvent[] = [...agent.session.events] + + // The wire contract: every request this session made offered EXACTLY ONE + // tool — run_code (the logged header snapshots the assembled list). + const headers = events.filter(event => event.type === 'request/header') + expect(headers.length).toBeGreaterThan(0) + for (const header of headers) { + expect(header.data.header.tools?.map(tool => tool.name)).toEqual([RUN_CODE_NAME]) + } + // The model actually went through run_code… + const calls = events.filter(event => event.type === 'tool/call') + expect(calls.length).toBeGreaterThan(0) + expect(calls.every(event => event.data.name === RUN_CODE_NAME)).toBe(true) + // …and the program's tool calls landed as dispatch events under it. + const dispatches = events.filter(event => event.type === 'tool/code-dispatch') + expect(dispatches.length).toBeGreaterThanOrEqual(2) + expect(dispatches.every(event => event.data.name === 'bash')).toBe(true) + const parents = new Set(calls.map(event => event.data.callId)) + expect(dispatches.every(event => parents.has(event.data.parentCallId))).toBe(true) + + // World verification: the file the program wrote, and the curated answer. + const combined = await readFile(join(workdir, 'combined.txt'), 'utf8') + expect(combined).toContain('alpha-7') + expect(combined).toContain('beta-9') + const finalMessage = events.findLast(event => event.type === 'assistant/message') + const finalText = finalMessage !== undefined + ? finalMessage.data.content.filter(block => block.type === 'text').map(block => block.text).join('') + : '' + expect(finalText).toContain('alpha-7') + expect(finalText).toContain('beta-9') + }, 180_000) +}) diff --git a/examples/coding-agent/tests/coding-task.e2e.ts b/examples/coding-agent/tests/coding-task.e2e.ts index 68bca5cdfa..ce716bdb2c 100644 --- a/examples/coding-agent/tests/coding-task.e2e.ts +++ b/examples/coding-agent/tests/coding-task.e2e.ts @@ -53,11 +53,8 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('coding task: fix a failing test const before = spawnSync('node', ['add.test.js'], { cwd: workdir }) expect(before.status).not.toBe(0) - ctx = await codingHarness(workdir) - const agent = ctx.agentLoop.create(AgentId('e2e-task'), { - model: 'deepseek-v4-flash', - systemPrompt: SYSTEM_PROMPT, - }) + ctx = await codingHarness(workdir, { persona: SYSTEM_PROMPT }) + const agent = ctx.agentLoop.create(AgentId('e2e-task'), { model: 'deepseek-v4-flash' }) agent.send([{ type: 'text', diff --git a/examples/coding-agent/tests/compaction.e2e.ts b/examples/coding-agent/tests/compaction.e2e.ts index 2b8f278be3..854cf49d2a 100644 --- a/examples/coding-agent/tests/compaction.e2e.ts +++ b/examples/coding-agent/tests/compaction.e2e.ts @@ -43,8 +43,8 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('compaction: a long session compa // A handful of files for the model to read, so multiple bash steps // accumulate surface nodes (tool calls + results) and grow the history past // the (deliberately tiny) window. - for (let i = 1; i <= 6; i++) { - await writeFile(join(workdir, `file${i}.txt`), `This is file number ${i}. `.repeat(40)) + for (let i = 1; i <= 4; i++) { + await writeFile(join(workdir, `file${i}.txt`), `This is file number ${i}. `.repeat(50)) } // Tiny window so a couple of steps crosses the threshold. The generation @@ -53,25 +53,23 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('compaction: a long session compa // budget even though those blocks are stripped before the checkpoint is // stored. ctx = await codingHarness(workdir, { + persona: SYSTEM_PROMPT, compact: { - contextWindow: 2400, + contextWindow: 2000, thresholdRatio: 0.5, - retainTokens: 500, + retainTokens: 400, summarizationModel: '', - maxTokens: 2048, + maxTokens: 1024, compactionRetries: 1, }, - persistenceRoot: './.sessions', - }) - const agent = ctx.agentLoop.create(AgentId('e2e-compaction'), { - model: 'deepseek-v4-flash', - systemPrompt: SYSTEM_PROMPT, + persistenceRoot: join(workdir, '.sessions'), }) + const agent = ctx.agentLoop.create(AgentId('e2e-compaction'), { model: 'deepseek-v4-flash' }) agent.send([{ type: 'text', - text: 'Read file1.txt, file2.txt, file3.txt, file4.txt, file5.txt, and file6.txt one at a ' - + 'time using cat (a separate bash command for each). After reading all six, tell me how ' + text: 'Read file1.txt, file2.txt, file3.txt, and file4.txt one at a ' + + 'time using cat (a separate bash command for each). After reading all four, tell me how ' + 'many files you read and the number mentioned in file1.txt.', }]) await waitForIdle(ctx, agent) @@ -100,9 +98,9 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('compaction: a long session compa expect(summaryData.shadowedSeqs.length).toBeGreaterThan(0) // The conversation survived compaction: the agent produced a final answer - // that reflects the work (it read six files). + // that reflects the work (it read four files). const answer = finalText(events).toLowerCase() expect(answer.length).toBeGreaterThan(0) - expect(answer).toMatch(/\b(6|six)\b/) + expect(answer).toMatch(/\b(4|four)\b/) }, 240_000) }) diff --git a/examples/coding-agent/tests/full-loop.e2e.ts b/examples/coding-agent/tests/full-loop.e2e.ts index 2b70d6f339..8718139ced 100644 --- a/examples/coding-agent/tests/full-loop.e2e.ts +++ b/examples/coding-agent/tests/full-loop.e2e.ts @@ -1,3 +1,6 @@ +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' import { afterEach, describe, expect, it } from 'vitest' import type { Context } from 'cordis' import { AgentId } from '@deepseek-ai/dsh-agent' @@ -9,6 +12,7 @@ import { codingHarness, finalText, SYSTEM_PROMPT, waitForIdle } from './harness. */ let ctx: Context | undefined +let workdir: string | undefined afterEach(async () => { // Always dispose the harness, even on failure/retry/timeout: agent-loop @@ -16,15 +20,15 @@ afterEach(async () => { // process the model left behind. await ctx?.fiber.dispose() ctx = undefined + if (workdir !== undefined) await rm(workdir, { recursive: true, force: true }) + workdir = undefined }) describe.skipIf(!process.env.DEEPSEEK_API_KEY)('full loop: real model + real bash tool', () => { it('runs a bash command on request and reports its output', async () => { - ctx = await codingHarness(process.cwd()) - const agent = ctx.agentLoop.create(AgentId('e2e-loop'), { - model: 'deepseek-v4-flash', - systemPrompt: SYSTEM_PROMPT, - }) + workdir = await mkdtemp(join(tmpdir(), 'dsh-full-loop-e2e-')) + ctx = await codingHarness(workdir, { persona: SYSTEM_PROMPT }) + const agent = ctx.agentLoop.create(AgentId('e2e-loop'), { model: 'deepseek-v4-flash' }) agent.send([{ type: 'text', text: 'Run `echo e2e-ok` with the bash tool and tell me its exact output.' }]) await waitForIdle(ctx, agent) diff --git a/examples/coding-agent/tests/harness.ts b/examples/coding-agent/tests/harness.ts index 7ce24913cf..dd0bc42a1b 100644 --- a/examples/coding-agent/tests/harness.ts +++ b/examples/coding-agent/tests/harness.ts @@ -33,6 +33,11 @@ export const TODO_SYSTEM_PROMPT = 'You are a coding agent. For multi-step work, /** Options for {@link codingHarness}. */ export interface CodingHarnessOptions { + /** + * Deployment persona for the tree (the system-prompt plugin's `persona` + * config — per-context, not per-agent). Omitted ⇒ no persona section. + */ + persona?: string /** Durable JSONL persistence root (the resume suite needs it; others stay file-free). */ persistenceRoot?: string /** @@ -47,7 +52,7 @@ export async function codingHarness(workdir: string, options: CodingHarnessOptio const ctx = new Context() await ctx.plugin(LlmService) await ctx.plugin(SessionStore) - await ctx.plugin(SystemPrompt) + await ctx.plugin(SystemPrompt, { persona: options.persona ?? '' }) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) await ctx.plugin(AgentLoop, { agents: [] }) diff --git a/examples/coding-agent/tests/keyless-smoke.e2e.ts b/examples/coding-agent/tests/keyless-smoke.e2e.ts index 8448d09dda..219144e904 100644 --- a/examples/coding-agent/tests/keyless-smoke.e2e.ts +++ b/examples/coding-agent/tests/keyless-smoke.e2e.ts @@ -9,8 +9,8 @@ import { afterEach, describe, expect, it } from 'vitest' * Keyless Loader-path smoke for examples/coding-agent: boot the REAL example * through the `@deepseek-ai/dsh-stdio-agent` bin against its `cordis.yml` (the * cordis Loader, `unwrapExports`, the full plugin tree incl. the - * `@deepseek-ai/dsh-agent-core` bundle and the extracted - * `@deepseek-ai/dsh-ui-stdio`), then close stdin with no prompt and assert the + * `@deepseek-ai/dsh-agent-core` bundle and the app's in-package readline UI + * module), then close stdin with no prompt and assert the * ready banner + a clean exit. * * No prompt is ever sent, so the model is NEVER called — this is why it runs @@ -18,9 +18,10 @@ import { afterEach, describe, expect, it } from 'vitest' * `apply()` only requires a key to be PRESENT (it does not validate it and only * uses it when a stream actually starts), so a dummy key lets the tree boot * while the absence of any prompt guarantees no network call. The value is the - * real-Loader-path guard for the app + bundle + UI plugin export shapes (a broken - * `export default` that drops `inject`/`Config` would crash here — see postmortem - * 0001), complementing coding-agent's with-key e2e suites which prove the real + * real-Loader-path guard that the composed tree boots (see postmortem 0001; + * the app carries no `inject`, so its export SHAPE is pinned by the stdio-agent + * unit suite's unwrap assertion, not by a crash here), + * complementing coding-agent's with-key e2e suites which prove the real * product. */ @@ -61,6 +62,8 @@ async function bootAndEof(): Promise<{ stdout: string; code: number }> { // A dummy key so llm-deepseek's apply() (key-PRESENT check only) boots. // No prompt is sent, so the adapter never streams — no network call. DEEPSEEK_API_KEY: 'keyless-smoke-no-call', + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), }, stdio: ['pipe', 'pipe', 'pipe'], }, @@ -75,8 +78,8 @@ async function bootAndEof(): Promise<{ stdout: string; code: number }> { const timer = setTimeout(() => { proc.kill('SIGKILL') - reject(new Error(`coding-agent did not exit within 10s. stdout:\n${stdout}\nstderr:\n${stderr}`)) - }, 10_000) + reject(new Error(`coding-agent did not exit within 30s. stdout:\n${stdout}\nstderr:\n${stderr}`)) + }, 30_000) proc.on('exit', (code) => { clearTimeout(timer) @@ -95,5 +98,5 @@ describe('coding-agent keyless smoke (real cordis.yml via the Loader)', () => { const { stdout, code } = await bootAndEof() expect(code).toBe(0) expect(stdout).toContain('agent REPL ready.') - }, 15_000) + }, 45_000) }) diff --git a/examples/coding-agent/tests/resume.e2e.ts b/examples/coding-agent/tests/resume.e2e.ts index 4be11ed3ea..fc216a9848 100644 --- a/examples/coding-agent/tests/resume.e2e.ts +++ b/examples/coding-agent/tests/resume.e2e.ts @@ -38,11 +38,11 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('resume: continue a persisted ses // Run 1: a fresh agent on a KNOWN session id learns a secret, then we // dispose the whole context (simulating process exit) so only the JSONL // log on disk survives. - ctx = await codingHarness(process.cwd(), { persistenceRoot: root }) + ctx = await codingHarness(process.cwd(), { persona: SYSTEM_PROMPT, persistenceRoot: root }) const first = ctx.agents.create({ agentId: AgentId('resume-1'), sessionId: SESSION_ID, - agentOptions: { model: 'deepseek-v4-flash', systemPrompt: SYSTEM_PROMPT }, + agentOptions: { model: 'deepseek-v4-flash' }, }).agent as ReactLoopAgent first.send([{ type: 'text', text: `Remember this code for later: ${SECRET}. Just acknowledge it.` }]) await waitForIdle(ctx, first) @@ -52,11 +52,11 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('resume: continue a persisted ses // Run 2: a brand-new context over the SAME root resumes the persisted // session. The loaded event log seeds the live session, so the model sees // run 1's exchange as conversation history. - ctx = await codingHarness(process.cwd(), { persistenceRoot: root }) + ctx = await codingHarness(process.cwd(), { persona: SYSTEM_PROMPT, persistenceRoot: root }) const resumed = (await ctx.agents.resume({ agentId: AgentId('resume-2'), resumeSessionId: SESSION_ID, - agentOptions: { model: 'deepseek-v4-flash', systemPrompt: SYSTEM_PROMPT }, + agentOptions: { model: 'deepseek-v4-flash' }, })).agent as ReactLoopAgent expect(resumed.session.id).toBe(SESSION_ID) // The prior user turn is in the rehydrated log before the model is asked. diff --git a/examples/coding-agent/tests/todo-write.e2e.ts b/examples/coding-agent/tests/todo-write.e2e.ts index 33cac531cf..698fbd9e9e 100644 --- a/examples/coding-agent/tests/todo-write.e2e.ts +++ b/examples/coding-agent/tests/todo-write.e2e.ts @@ -1,3 +1,6 @@ +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' import { afterEach, describe, expect, it } from 'vitest' import type { Context } from 'cordis' import { AgentId } from '@deepseek-ai/dsh-agent' @@ -10,19 +13,20 @@ import { codingHarness, TODO_SYSTEM_PROMPT, waitForIdle } from './harness.ts' */ let ctx: Context | undefined +let workdir: string | undefined afterEach(async () => { await ctx?.fiber.dispose() ctx = undefined + if (workdir !== undefined) await rm(workdir, { recursive: true, force: true }) + workdir = undefined }) describe.skipIf(!process.env.DEEPSEEK_API_KEY)('todo_write: real model records a plan', () => { it('appends a todo/write event with the model-produced task list', async () => { - ctx = await codingHarness(process.cwd()) - const agent = ctx.agentLoop.create(AgentId('e2e-todo'), { - model: 'deepseek-v4-flash', - systemPrompt: TODO_SYSTEM_PROMPT, - }) + workdir = await mkdtemp(join(tmpdir(), 'dsh-todo-write-e2e-')) + ctx = await codingHarness(workdir, { persona: TODO_SYSTEM_PROMPT }) + const agent = ctx.agentLoop.create(AgentId('e2e-todo'), { model: 'deepseek-v4-flash' }) agent.send([{ type: 'text', text: 'Use the todo_write tool to record a plan of exactly two steps: first ' diff --git a/examples/cordis-agent/README.md b/examples/cordis-agent/README.md new file mode 100644 index 0000000000..953533d35b --- /dev/null +++ b/examples/cordis-agent/README.md @@ -0,0 +1,33 @@ +# cordis-agent + +The self-referential harness demo: the coding-agent spine (DeepSeek V4 + local bash on the stdio chat app) plus [`@deepseek-ai/dsh-tool-cordis`](../../packages/cordis/tool-cordis/README.md), which hands the model three tools over the **live cordis runtime it is running inside** — inspect it, mount new plugins into it, and dispose them again. The `ctx.fs` and `ctx.web` services are mounted (provider-only, no model-facing file/web tools) so the plugins the agent writes have real capabilities to build on; Node built-ins are trapped in the sandbox and redirect to those services. The design (sandbox semantics, mount lifecycle, cross-mount composition, caveats) lives in [the toolset RFC](../../docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md). + +## Run it + +```sh +# repo root .env (gitignored) or exported env: +# DEEPSEEK_API_KEY=sk-… +# DEEPSEEK_BASE_URL=https://… # optional; defaults to the public API +pnpm run demo:cordis +``` + +The intended demo is staged — verify the listener link first, then let the agent extend itself: + +``` +> Mount a plugin that listens to the 'agent/status' event and logs every status change, then run `echo hi` with bash. + [tool call] cordis_mount({"code": "return { name: 'status-logger', apply(ctx) { ctx.on('agent/status', (agent, status) => console.log('status →', status)) } }"}) + [tool result] mounted dyn-1 (plugin "status-logger", state: active) + [tool call] bash({"command": "echo hi"}) +[cordis:dyn-1] status → … ← the mounted listener firing, live +> Now give yourself a reverse_text tool and use it on "harness". + [tool call] cordis_mount({"code": "return { name: 'reverse-text', inject: ['tools'], apply(ctx) { ctx.tools.register(harness.defineTool({ name: 'reverse_text', … })) } }"}) + [tool call] reverse_text({"text": "harness"}) ← a tool the agent built for itself, one step earlier +> Unmount both. + [tool call] cordis_unmount({"id": "dyn-1"}) +``` + +Ask for `cordis_inspect` with `what: "api"` or `what: "events"` to see the generated service/event reference the agent writes plugin code against, and try two cooperating mounts (`ctx.provide` in one, `inject` in the other) to watch cordis park and revive the consumer. + +## End-to-end tests + +`tests/keyless-smoke.e2e.ts` boots the real `cordis.yml` through the Loader with a dummy key and asserts the banner + clean EOF exit (the export-shape / real-load-path guard, now across the package-name resolution). `tests/cordis-tools.e2e.ts` is the with-key smoke: a real model mounts a status listener (asserting the tagged console line actually fires — the world, not the agent's claim), builds itself a `reverse_text` tool and uses it, and composes two mounts via provide/inject. The tool logic itself is unit-tested in [`packages/cordis/tool-cordis`](../../packages/cordis/tool-cordis) under the per-file 100% coverage gate. diff --git a/examples/cordis-agent/composition.md b/examples/cordis-agent/composition.md new file mode 100644 index 0000000000..015bec724e --- /dev/null +++ b/examples/cordis-agent/composition.md @@ -0,0 +1,49 @@ +<!-- Generated by scripts/gen-doc-graphs.ts - do not edit by hand. + Run `pnpm run gen-doc-graphs` to regenerate. --> + +# Cordis Agent App Composition + +The self-referential demo puts @deepseek-ai/dsh-tool-cordis on the coding spine, letting the agent inspect its own runtime and mount/unmount plugins into it. + +```mermaid +flowchart LR + cfg["examples/cordis-agent<br/>cordis.yml"] + plugin_cordis_hmr["hmr<br/>@cordisjs/plugin-hmr"] + cfg --> plugin_cordis_hmr + plugin_cordis_llm_deepseek["llm-deepseek<br/>@deepseek-ai/dsh-llm-deepseek"] + cfg --> plugin_cordis_llm_deepseek + plugin_cordis_bash["bash<br/>@deepseek-ai/dsh-bash-local"] + cfg --> plugin_cordis_bash + plugin_cordis_fs_local["fs-local<br/>@deepseek-ai/dsh-fs-local"] + cfg --> plugin_cordis_fs_local + plugin_cordis_web["web<br/>@deepseek-ai/dsh-web"] + cfg --> plugin_cordis_web + plugin_cordis_web_fetch_local["web-fetch-local<br/>@deepseek-ai/dsh-web-fetch-local"] + cfg --> plugin_cordis_web_fetch_local + plugin_cordis_stdio_agent["stdio-agent<br/>@deepseek-ai/dsh-stdio-agent"] + cfg --> plugin_cordis_stdio_agent + plugin_cordis_stdio_agent --> bundle_agent_core["@deepseek-ai/dsh-agent-core"] + plugin_cordis_stdio_agent --> bundle_jsonl["@deepseek-ai/dsh-session-persistence-jsonl"] + plugin_cordis_stdio_agent --> frontdoor_stdio["readline UI<br/>console logger<br/>pre-created main agent"] + bundle_agent_core --> spine_llm["ctx.llm"] + bundle_agent_core --> spine_sessions["ctx.sessions"] + bundle_agent_core --> spine_tools["ctx.tools + tool-bash"] + bundle_agent_core --> spine_loop["ctx.agents + ctx.agentLoop"] + plugin_cordis_tool_cordis["tool-cordis<br/>@deepseek-ai/dsh-tool-cordis"] + cfg --> plugin_cordis_tool_cordis +``` + +| Plugin id | Package / module | +| --- | --- | +| `hmr` | `@cordisjs/plugin-hmr` | +| `llm-deepseek` | `@deepseek-ai/dsh-llm-deepseek` | +| `bash` | `@deepseek-ai/dsh-bash-local` | +| `fs-local` | `@deepseek-ai/dsh-fs-local` | +| `web` | `@deepseek-ai/dsh-web` | +| `web-fetch-local` | `@deepseek-ai/dsh-web-fetch-local` | +| `stdio-agent` | `@deepseek-ai/dsh-stdio-agent` | +| `tool-cordis` | `@deepseek-ai/dsh-tool-cordis` | + +Source config: [`examples/cordis-agent/cordis.yml`](cordis.yml). + +Maintenance mode: hybrid: the leaf plugin list is parsed from its `cordis.yml`; app package expansion is curated from package source. diff --git a/examples/cordis-agent/cordis.yml b/examples/cordis-agent/cordis.yml new file mode 100644 index 0000000000..65d5e6eb36 --- /dev/null +++ b/examples/cordis-agent/cordis.yml @@ -0,0 +1,83 @@ +# The cordis-agent plugin tree: the SELF-REFERENTIAL harness demo. Same spine +# as coding-agent (DeepSeek V4 + local bash on @deepseek-ai/dsh-stdio-agent), +# plus @deepseek-ai/dsh-tool-cordis, which gives the model three tools over the +# live cordis runtime it is running inside: cordis_inspect (services / plugin +# tree / tools / dynamic mounts / api / events), cordis_mount (evaluate +# model-written code in a vm sandbox and mount the returned plugin under the +# `cordis-dynamic` group), and cordis_unmount (dispose one mount by id). +# Requires DEEPSEEK_API_KEY (and optionally DEEPSEEK_BASE_URL) — the +# dsh-stdio-agent bin loads the gitignored repo-root .env first. +# +# Trust stance (docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md): +# the mounted code gets the REAL ctx — the +# vm sandbox only prevents accidental global pollution. Load the toolset as +# deliberately as you would grant a bash tool. + +# Hot-module reload for the dev/demo loop (needs `node --expose-internals`). +- id: hmr + name: '@cordisjs/plugin-hmr' + config: + root: ['.'] + +# The DeepSeek adapter. +- id: llm-deepseek + name: '@deepseek-ai/dsh-llm-deepseek' + config: + apiKey: !!js process.env.DEEPSEEK_API_KEY + baseURL: !!js process.env.DEEPSEEK_BASE_URL + models: + - deepseek-v4-pro + - deepseek-v4-flash + +# Local bash executor for agent-core's tool-bash schema — gives the agent an +# ordinary tool whose calls make the mounted listeners observably fire. +- id: bash + name: '@deepseek-ai/dsh-bash-local' + config: + timeoutMs: 60000 + +# Filesystem service for mounted plugins (ctx.fs) — the local provider only. +# The model-facing read/write/edit tools stay unmounted on purpose: this demo +# is about the agent building its own tools over the services. +- id: fs-local + name: '@deepseek-ai/dsh-fs-local' + config: + cwd: !!js process.cwd() + +# Web service for mounted plugins (ctx.web): the seam plus the anonymous local +# fetch provider (keyless). No search provider is loaded — ctx.web search +# calls fail loud until a deployment adds one. +- id: web + name: '@deepseek-ai/dsh-web' + +- id: web-fetch-local + name: '@deepseek-ai/dsh-web-fetch-local' + +# The stdio chat app: the whole spine + front-door cluster, configured for the +# self-referential demo driving a pre-created `main` agent. +- id: stdio-agent + name: '@deepseek-ai/dsh-stdio-agent' + config: + model: deepseek-v4-flash + resumeSessionId: !!js process.env.RESUME_SESSION_ID + persistenceRoot: './.sessions' + welcome: 'cordis-agent ready. Ask it to inspect its runtime, mount a listener, or invent a tool for itself.' + persona: | + You are cordis-agent, a self-referential harness demo powered by the + {{model}} model. + + You run INSIDE a cordis plugin runtime, and your cordis_* tools operate + on that live runtime: cordis_inspect to look around (its `api` and + `events` sections document the service methods, type shapes, and events + your plugin code can use), cordis_mount to add a plugin (an event + listener, a brand-new tool for yourself, or a service other mounts + inject), cordis_unmount to clean one up. In mounted code, NEVER use Node + built-ins (require/setTimeout/fetch) — use the runtime's cordis services + via inject: fs, web, bash, and timer (ctx.setTimeout). Prefer small + single-purpose plugins, prefer plain notification events over waterfall + events unless you intend to intercept, and unmount what you no longer + need. Report results briefly. + +# The self-referential cordis toolset (loaded after the app so ctx.tools exists). +- id: tool-cordis + name: '@deepseek-ai/dsh-tool-cordis' diff --git a/examples/cordis-agent/package.json b/examples/cordis-agent/package.json new file mode 100644 index 0000000000..8d5a693555 --- /dev/null +++ b/examples/cordis-agent/package.json @@ -0,0 +1,7 @@ +{ + "name": "cordis-agent-example", + "private": true, + "version": "0.0.1", + "type": "module", + "description": "Runnable demo: the self-referential harness — an agent that inspects and modifies its own cordis runtime" +} diff --git a/examples/cordis-agent/tests/cordis-tools.e2e.ts b/examples/cordis-agent/tests/cordis-tools.e2e.ts new file mode 100644 index 0000000000..388fcb0058 --- /dev/null +++ b/examples/cordis-agent/tests/cordis-tools.e2e.ts @@ -0,0 +1,156 @@ +import { afterEach, describe, expect, it, vi } from 'vitest' +import type { Context } from 'cordis' +import { CallId } from '@deepseek-ai/dsh-llm' +import { AgentId } from '@deepseek-ai/dsh-agent' +import { cordisHarness, waitForIdle } from './harness.ts' + +/** + * With-key smoke for the self-referential cordis tools: a REAL model drives + * cordis_mount/cordis_unmount against the live context the test observes. + * World-verified, not self-reported: the mounted listener must actually WRITE + * its tagged console line, the self-made tool must actually EXIST in the + * registry and appear as a real `tool/call`, the cross-mount service must + * actually LAND in the reflect store. Key-gated (see vitest.e2e.config.ts). + */ + +let ctx: Context | undefined + +afterEach(async () => { + vi.restoreAllMocks() + // Always dispose the harness, even on failure/retry/timeout: agent-loop + // teardown stops the loop, and disposing the tree unwinds every dynamic + // mount the model left behind. + await ctx?.fiber.dispose() + ctx = undefined +}) + +/** The tagged write-through lines (`[cordis:dyn-n] …`) captured by a console spy. */ +function taggedCalls(log: { mock: { calls: unknown[][] } }): unknown[][] { + return log.mock.calls.filter(call => typeof call[0] === 'string' && /^\[cordis:dyn-\d+\]$/.test(call[0])) +} + +/** Model-facing text of one tool result, concatenated. */ +function resultText(result: { content: { type: string; text?: string }[] }): string { + return result.content.filter(block => block.type === 'text').map(block => block.text).join('') +} + +describe.skipIf(!process.env.DEEPSEEK_API_KEY)('cordis tools: a real model modifies its own runtime', () => { + it('mounts a status listener whose tagged output actually fires, then unmounts it', async () => { + ctx = await cordisHarness() + const log = vi.spyOn(console, 'log').mockImplementation(() => {}) + const agent = ctx.agentLoop.create(AgentId('cordis-e2e-listener'), { model: 'deepseek-v4-flash' }) + + agent.send([{ + type: 'text', + text: 'Use cordis_mount to mount a plugin that listens to the \'agent/status\' ' + + 'cordis event and logs every change with console.log. Reply "mounted" once done.', + }]) + await waitForIdle(ctx, agent) + + // The WORLD check: the turn's own running→idle transition must have driven + // the mounted listener through the tagged sandbox console. + expect(taggedCalls(log).length).toBeGreaterThan(0) + const mid = await ctx.tools.execute({ + callId: CallId('verify-mounted'), name: 'cordis_inspect', arguments: { what: 'dynamic' }, + }) + expect(resultText(mid)).toContain('dyn-') + + agent.send([{ type: 'text', text: 'Now unmount the plugin you just mounted.' }]) + await waitForIdle(ctx, agent) + + const after = await ctx.tools.execute({ + callId: CallId('verify-unmounted'), name: 'cordis_inspect', arguments: { what: 'dynamic' }, + }) + expect(resultText(after)).toContain('(no dynamic plugins mounted)') + }, 120_000) + + it('builds itself a reverse_text tool and actually calls it', async () => { + ctx = await cordisHarness() + const agent = ctx.agentLoop.create(AgentId('cordis-e2e-selftool'), { model: 'deepseek-v4-flash' }) + + agent.send([{ + type: 'text', + text: 'Give yourself a new tool: use cordis_mount to mount a plugin with ' + + 'inject ["tools"] that calls harness.registerTool(ctx, harness.defineTool({...})) ' + + 'to register a tool named reverse_text with one required string parameter ' + + '"text", returning the text reversed. Then CALL reverse_text with the ' + + 'exact text "harness" and report its exact output.', + }]) + await waitForIdle(ctx, agent) + + // World checks: the tool exists in the registry, was invoked as a real + // tool call, and its RESULT (the self-made execute actually running) is the + // reversed string. The model's prose is not asserted — the tool result is + // the world; the summary sentence is just the self-report. + expect(ctx.tools.get('reverse_text')).toBeDefined() + const events = [...agent.session.events] + const calls = events.filter(event => event.type === 'tool/call') + expect(calls.some(event => event.data.name === 'cordis_mount')).toBe(true) + const reverseCalls = calls.filter(event => event.data.name === 'reverse_text') + expect(reverseCalls.length).toBeGreaterThan(0) + const reverseResults = events + .filter(event => event.type === 'tool/result') + .filter(event => reverseCalls.some(call => call.data.callId === event.data.callId)) + .flatMap(event => event.data.content.filter(block => block.type === 'text').map(block => block.text)) + // On failure, surface what the model actually mounted and what the tool + // returned — an e2e failing at a distance is undebuggable without it. + const mountCode = calls + .filter(event => event.data.name === 'cordis_mount') + .map(event => event.data.arguments) + .join('\n---\n') + const trace = events.map((event) => { + switch (event.type) { + case 'tool/call': return `tool/call:${event.data.name}` + case 'tool/result': return `tool/result:${event.data.isError ? 'ERR:' + JSON.stringify(event.data.content).slice(0, 200) : 'ok'}` + case 'turn/end': return `turn/end:${JSON.stringify(event.data.reason)}` + default: return event.type + } + }).join('\n') + expect( + reverseResults.some(text => text.includes('ssenrah')), + `no reversed output in reverse_text results.\nresults: ${JSON.stringify(reverseResults)}\nmount code: ${mountCode}\ntrace:\n${trace}`, + ).toBe(true) + }, 120_000) + + it('composes two mounts through provide/inject, and unmounting the provider parks the consumer', async () => { + ctx = await cordisHarness() + const agent = ctx.agentLoop.create(AgentId('cordis-e2e-compose'), { model: 'deepseek-v4-flash' }) + + agent.send([{ + type: 'text', + text: 'Mount TWO separate plugins with cordis_mount. First a provider: apply calls ' + + 'ctx.provide(\'shouter\', { shout: (s) => s.toUpperCase() }). Second a consumer with ' + + 'inject ["shouter", "tools"] that registers (via harness.registerTool + harness.defineTool) ' + + 'a tool named shout_text with one required string parameter "text" whose execute returns ' + + 'ctx.shouter.shout(args.text) as a text content block. Then CALL shout_text with "quiet" ' + + 'and report the exact output.', + }]) + await waitForIdle(ctx, agent) + + // World checks: the service is really in the store, the tool really ran. + expect(ctx.get('shouter')).toBeDefined() + expect(ctx.tools.get('shout_text')).toBeDefined() + const events = [...agent.session.events] + const shoutCalls = events + .filter(event => event.type === 'tool/call') + .filter(event => event.data.name === 'shout_text') + expect(shoutCalls.length).toBeGreaterThan(0) + const shoutResults = events + .filter(event => event.type === 'tool/result') + .filter(event => shoutCalls.some(call => call.data.callId === event.data.callId)) + .flatMap(event => event.data.content.filter(block => block.type === 'text').map(block => block.text)) + expect(shoutResults.some(text => text.includes('QUIET'))).toBe(true) + + agent.send([{ type: 'text', text: 'Now unmount ONLY the provider plugin (the one that provided shouter).' }]) + await waitForIdle(ctx, agent) + + // The consumer must have been parked by cordis itself: service gone, + // dependent tool unregistered, dynamic table naming the missing service. + expect(ctx.get('shouter')).toBeUndefined() + expect(ctx.tools.get('shout_text')).toBeUndefined() + const after = await ctx.tools.execute({ + callId: CallId('verify-parked'), name: 'cordis_inspect', arguments: { what: 'dynamic' }, + }) + expect(resultText(after)).toContain('waiting for: shouter') + }, 120_000) +}) diff --git a/examples/cordis-agent/tests/harness.ts b/examples/cordis-agent/tests/harness.ts new file mode 100644 index 0000000000..78e5b0bb93 --- /dev/null +++ b/examples/cordis-agent/tests/harness.ts @@ -0,0 +1,46 @@ +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import AgentRegistry from '@deepseek-ai/dsh-agent' +import AgentLoop, { ReactLoopAgent } from '@deepseek-ai/dsh-agent-loop' +import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' +import * as ToolCordis from '@deepseek-ai/dsh-tool-cordis' + +/** + * Shared harness for the cordis-agent e2e suite: the agent spine with the real + * DeepSeek adapter and the real `@deepseek-ai/dsh-tool-cordis` plugin, so a + * live model can mount plugins into the very context the test observes. Lives + * outside the *.e2e.ts pattern so importing it never re-registers another + * file's tests. + */ + +const PERSONA = 'You are cordis-agent, a self-referential harness demo. ' + + 'Your cordis_* tools operate on the live cordis runtime you run inside: ' + + 'cordis_inspect to look around, cordis_mount to add a plugin, cordis_unmount ' + + 'to clean one up. Follow the tool descriptions exactly and report results briefly.' + +export async function cordisHarness(): Promise<Context> { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt, { persona: PERSONA }) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(LlmDeepSeek, { models: ['deepseek-v4-flash'] }) + await ctx.plugin(ToolCordis) + return ctx +} + +export function waitForIdle(ctx: Context, agent: ReactLoopAgent): Promise<void> { + return new Promise((resolve) => { + const dispose = ctx.on('agent/status', (subject, status) => { + if (subject === agent && status === 'idle') { + dispose() + resolve() + } + }) + }) +} diff --git a/examples/cordis-agent/tests/keyless-smoke.e2e.ts b/examples/cordis-agent/tests/keyless-smoke.e2e.ts new file mode 100644 index 0000000000..1211b4dce5 --- /dev/null +++ b/examples/cordis-agent/tests/keyless-smoke.e2e.ts @@ -0,0 +1,94 @@ +import { spawn, type ChildProcessWithoutNullStreams } from 'node:child_process' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { afterEach, describe, expect, it } from 'vitest' + +/** + * Keyless Loader-path smoke for examples/cordis-agent: boot the REAL example + * through the `@deepseek-ai/dsh-stdio-agent` bin against its `cordis.yml` — + * the cordis Loader, `unwrapExports`, the full plugin tree INCLUDING the + * `@deepseek-ai/dsh-tool-cordis` package resolved by name (whose `inject` + * would crash a collapsed export shape at load, see docs/postmortem/0001) — + * then close stdin with no prompt and assert the ready banner + a clean exit. + * + * No prompt is ever sent, so the model is NEVER called — that is why it runs + * without a real key: `llm-deepseek`'s apply() only requires a key to be + * PRESENT, and the absence of any prompt guarantees no network call. The + * with-key product proof lives in cordis-tools.e2e.ts. + */ + +// The dsh-stdio-agent bin (the demo:cordis entry) and this example's cordis.yml. +// The bin resolves its config-path arg from CWD; the test spawns from a temp +// cwd, so we pass the example config's ABSOLUTE path. +const binScript = fileURLToPath(new URL('../../../packages/ui/stdio-agent/src/bin.ts', import.meta.url)) +const configPath = fileURLToPath(new URL('../cordis.yml', import.meta.url)) +const tsxLoader = fileURLToPath(import.meta.resolve('tsx')) +// Dev/test run UNBUILT: resolve `@deepseek-ai/dsh-*` through the root tsconfig +// `paths` map; tsx searches UP from cwd, and we spawn from a temp dir outside +// the repo, so point it at the repo tsconfig (root is three levels up). +const repoTsconfig = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)) + +let child: ChildProcessWithoutNullStreams | undefined +let workdir: string | undefined + +afterEach(async () => { + if (child !== undefined && child.exitCode === null) child.kill('SIGKILL') + child = undefined + if (workdir !== undefined) await rm(workdir, { recursive: true, force: true }) + workdir = undefined +}) + +async function bootAndEof(): Promise<{ stdout: string; code: number }> { + workdir = await mkdtemp(join(tmpdir(), 'cordis-smoke-')) + const cwd = workdir + return new Promise((resolve, reject) => { + const proc = spawn( + process.execPath, + // --expose-internals: cordis.yml loads the HMR plugin (mirrors demo:cordis). + ['--expose-internals', '--import', tsxLoader, binScript, configPath], + { + cwd, + env: { + ...process.env, + TSX_TSCONFIG_PATH: repoTsconfig, + // A dummy key so llm-deepseek's apply() (key-PRESENT check only) boots. + // No prompt is sent, so the adapter never streams — no network call. + DEEPSEEK_API_KEY: 'keyless-smoke-no-call', + }, + stdio: ['pipe', 'pipe', 'pipe'], + }, + ) + child = proc + let stdout = '' + let stderr = '' + proc.stdout.setEncoding('utf8') + proc.stdout.on('data', (chunk: string) => { stdout += chunk }) + proc.stderr.setEncoding('utf8') + proc.stderr.on('data', (chunk: string) => { stderr += chunk }) + + const timer = setTimeout(() => { + proc.kill('SIGKILL') + reject(new Error(`cordis-agent did not exit within 30s. stdout:\n${stdout}\nstderr:\n${stderr}`)) + }, 30_000) + + proc.on('exit', (code) => { + clearTimeout(timer) + if (code === 0) resolve({ stdout, code }) + else reject(new Error(`cordis-agent exited ${code}. stderr:\n${stderr}`)) + }) + proc.on('error', (err) => { clearTimeout(timer); reject(err) }) + + // No prompt — just EOF, so the stdio UI exits without ever running a turn. + proc.stdin.end() + }) +} + +describe('cordis-agent keyless smoke (real cordis.yml via the Loader)', () => { + it('boots the full plugin tree incl. tool-cordis, prints its banner, and exits cleanly on EOF', async () => { + const { stdout, code } = await bootAndEof() + expect(code).toBe(0) + expect(stdout).toContain('cordis-agent ready.') + }, 45_000) +}) diff --git a/examples/echo-agent/README.md b/examples/echo-agent/README.md index de42234ef1..dad0ce348a 100644 --- a/examples/echo-agent/README.md +++ b/examples/echo-agent/README.md @@ -31,4 +31,4 @@ node --expose-internals --import tsx packages/ui/stdio-agent/src/bin.ts examples Type a message and press Enter. "echo <text>" triggers a tool call round-trip (the mock model requests the `echo` tool, which echoes the text uppercased, and the next model step acknowledges it). -The session is persisted under `.sessions/` relative to the directory you launch the demo from. `pnpm run demo:echo` runs from the repo root, so the logs land in `<repo-root>/.sessions/` (a session with no cwd goes in the `_no-cwd/` bucket, one `.jsonl` log per session). Clean up with: `rm -rf .sessions` +The session is persisted under `.sessions/` relative to the directory you launch the demo from. `pnpm run demo:echo` runs from the repo root, so the logs land in `<repo-root>/.sessions/cwd-<hash>/` (one `.jsonl` log per session). Clean up with: `rm -rf .sessions` diff --git a/examples/echo-agent/composition.md b/examples/echo-agent/composition.md new file mode 100644 index 0000000000..1491c56955 --- /dev/null +++ b/examples/echo-agent/composition.md @@ -0,0 +1,40 @@ +<!-- Generated by scripts/gen-doc-graphs.ts - do not edit by hand. + Run `pnpm run gen-doc-graphs` to regenerate. --> + +# Echo Agent App Composition + +The echo demo swaps in a local mock LLM and teaching echo tool, then loads the stdio app package for the shared spine and terminal front door. + +```mermaid +flowchart LR + cfg["examples/echo-agent<br/>cordis.yml"] + plugin_echo_hmr["hmr<br/>@cordisjs/plugin-hmr"] + cfg --> plugin_echo_hmr + plugin_echo_mock_llm["mock-llm<br/>./src/mock-llm.ts"] + cfg --> plugin_echo_mock_llm + plugin_echo_echo_tool["echo-tool<br/>./src/echo-tool.ts"] + cfg --> plugin_echo_echo_tool + plugin_echo_bash["bash<br/>@deepseek-ai/dsh-bash-local"] + cfg --> plugin_echo_bash + plugin_echo_stdio_agent["stdio-agent<br/>@deepseek-ai/dsh-stdio-agent"] + cfg --> plugin_echo_stdio_agent + plugin_echo_stdio_agent --> bundle_agent_core["@deepseek-ai/dsh-agent-core"] + plugin_echo_stdio_agent --> bundle_jsonl["@deepseek-ai/dsh-session-persistence-jsonl"] + plugin_echo_stdio_agent --> frontdoor_stdio["readline UI<br/>console logger<br/>pre-created main agent"] + bundle_agent_core --> spine_llm["ctx.llm"] + bundle_agent_core --> spine_sessions["ctx.sessions"] + bundle_agent_core --> spine_tools["ctx.tools + tool-bash"] + bundle_agent_core --> spine_loop["ctx.agents + ctx.agentLoop"] +``` + +| Plugin id | Package / module | +| --- | --- | +| `hmr` | `@cordisjs/plugin-hmr` | +| `mock-llm` | `./src/mock-llm.ts` | +| `echo-tool` | `./src/echo-tool.ts` | +| `bash` | `@deepseek-ai/dsh-bash-local` | +| `stdio-agent` | `@deepseek-ai/dsh-stdio-agent` | + +Source config: [`examples/echo-agent/cordis.yml`](cordis.yml). + +Maintenance mode: hybrid: the leaf plugin list is parsed from its `cordis.yml`; app package expansion is curated from package source. diff --git a/examples/echo-agent/cordis.yml b/examples/echo-agent/cordis.yml index 9eef3d1a1b..b66c5e8163 100644 --- a/examples/echo-agent/cordis.yml +++ b/examples/echo-agent/cordis.yml @@ -33,6 +33,6 @@ name: '@deepseek-ai/dsh-stdio-agent' config: model: mock-echo - systemPrompt: 'You are echo-agent, a demo agent.' + persona: 'You are echo-agent, a demo agent.' welcome: 'echo-agent ready. Type a message ("echo <text>" triggers the tool).' persistenceRoot: './.sessions' diff --git a/examples/echo-agent/tests/echo.e2e.ts b/examples/echo-agent/tests/echo.e2e.ts index 944a36e429..0a2bb36288 100644 --- a/examples/echo-agent/tests/echo.e2e.ts +++ b/examples/echo-agent/tests/echo.e2e.ts @@ -13,11 +13,12 @@ import { afterEach, describe, expect, it } from 'vitest' * * This is the guard the per-file unit suite structurally cannot be: it drives * the `@deepseek-ai/dsh-stdio-agent` app plugin, the `@deepseek-ai/dsh-agent-core` - * bundle it loads, the extracted `@deepseek-ai/dsh-ui-stdio` plugin, AND the - * example-local `mock-llm.ts` / `echo-tool.ts` through their REAL load path, so - * a broken plugin export shape (a stray `export default` that `unwrapExports` - * would collapse, dropping `inject`/`Config`) fails here even though hand-mounted - * unit tests stay green (see docs/postmortem/0001). It needs no API key — the + * bundle it loads, the app's in-package readline UI module, AND the + * example-local `mock-llm.ts` / `echo-tool.ts` through their REAL load path + * (see docs/postmortem/0001). The app itself carries no `inject`, so a stray + * `export default` would boot rather than crash here — the export SHAPE is + * pinned by the explicit unwrap assertion in the stdio-agent unit suite; this + * smoke proves the composed tree actually runs. It needs no API key — the * `mock-echo` adapter never touches the network — so it runs in the default e2e * gate. * @@ -50,7 +51,7 @@ afterEach(async () => { /** * Boot echo-agent, write `lines` to its stdin, close stdin, and resolve with * the full stdout once the process exits (the stdio UI exits on EOF after the - * agent settles). Rejects on a non-zero exit or a 10s timeout. + * agent settles). Rejects on a non-zero exit or a 30s timeout. */ async function runEcho(lines: string[]): Promise<{ stdout: string; code: number }> { workdir = await mkdtemp(join(tmpdir(), 'echo-smoke-')) @@ -62,7 +63,16 @@ async function runEcho(lines: string[]): Promise<{ stdout: string; code: number // requires it (mirrors the `demo:echo` script). The whole point is to boot // the example EXACTLY as it really runs, through the bin + Loader. ['--expose-internals', '--import', tsxLoader, binScript, configPath], - { cwd, env: { ...process.env, TSX_TSCONFIG_PATH: repoTsconfig }, stdio: ['pipe', 'pipe', 'pipe'] }, + { + cwd, + env: { + ...process.env, + TSX_TSCONFIG_PATH: repoTsconfig, + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), + }, + stdio: ['pipe', 'pipe', 'pipe'], + }, ) child = proc let stdout = '' @@ -74,8 +84,8 @@ async function runEcho(lines: string[]): Promise<{ stdout: string; code: number const timer = setTimeout(() => { proc.kill('SIGKILL') - reject(new Error(`echo-agent did not exit within 10s. stdout:\n${stdout}\nstderr:\n${stderr}`)) - }, 10_000) + reject(new Error(`echo-agent did not exit within 30s. stdout:\n${stdout}\nstderr:\n${stderr}`)) + }, 30_000) proc.on('exit', (code) => { clearTimeout(timer) @@ -95,19 +105,19 @@ describe('echo-agent keyless smoke (real cordis.yml via the Loader)', () => { const { stdout, code } = await runEcho([]) expect(code).toBe(0) expect(stdout).toContain('echo-agent ready.') - }, 15_000) + }, 45_000) it('runs the echo tool round-trip for an "echo …" line', async () => { const { stdout } = await runEcho(['echo hello world']) // mock-llm.ts emits a tool-call for the echo tool; echo-tool.ts uppercases. expect(stdout).toContain('[tool call] echo') expect(stdout).toContain('[tool result] ECHO: HELLO WORLD') - }, 15_000) + }, 45_000) it('streams a direct canned reply for a non-echo line', async () => { const { stdout } = await runEcho(['just chatting']) // The direct-response branch of mock-llm.ts quotes the input back. expect(stdout).toContain('just chatting') expect(stdout).not.toContain('[tool call]') - }, 15_000) + }, 45_000) }) diff --git a/examples/sandbox-acp-agent/README.md b/examples/sandbox-acp-agent/README.md new file mode 100644 index 0000000000..bada288bde --- /dev/null +++ b/examples/sandbox-acp-agent/README.md @@ -0,0 +1,16 @@ +# sandbox-acp-agent + +The coding agent with its bash executor swapped for the sandbox stack ([`@deepseek-ai/dsh-sandbox-local`](../../packages/sandbox/sandbox-local/) + [`@deepseek-ai/dsh-bash-sandbox`](../../packages/bash/bash-sandbox/) — the one-entry executor swap the `ctx.bash` capability seam exists for), served over the **Agent Client Protocol**, plus [`@deepseek-ai/dsh-user-approval`](../../packages/ui/user-approval/) — which makes this the first composition where the approval loop is LIVE end to end: bash runs under `read-only`, a denial comes back as the structured marker, the model retries once with `sandbox_permissions` + `justification`, the ACP bridge's answerer turns that ask into a `session/request_permission` prompt in your editor, and "Allow once" runs exactly that command under the wider mode ([sandbox RFC § Escalation](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). + +```sh +pnpm run demo:sandbox-acp # needs DEEPSEEK_API_KEY; drive it from Zed or any ACP client +``` + +Zed setup is the same as [acp-agent](../acp-agent/README.md) with this example's command; only the leaf `cordis.yml` differs (the sandbox stack + the approval entry in place of the local bash executor and the extra tool stacks). + +- **Every approval is one-shot** (`Allow once` / `Reject` — no `allow_always`: the harness has no grant storage yet), and a dismissed prompt or a rejected ask fails closed with its own error text; so does every ask when no editor is attached to answer. +- **Two session config options are live** ([sandbox RFC § Per-session mode switching](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): a capable client shows `Sandbox` (`read-only`/`workspace-write`/`danger-full-access`) and `Approvals` (`ask`/`never`) selectors per session — a switch is one log-only event on that session's log and execution follows it; the sandbox mode is deliberately NOT stated in the prompt or narrated (the model learns the boundary from the denial marker — behavior, not belief), while an approval switch to `never` is stated and narrated; a resumed session reports its overrides back on `session/load`. +- **The write boundary is config-fixed**: an escalated `workspace-write` run may write under the launch directory (`workspaceRoot: process.cwd()`) plus the platform temp area — a per-session root is config-phase future work in the [sandbox RFC](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md). +- **No usable runner fails closed per command** (structured `SANDBOX_UNAVAILABLE`), and the filesystem tools stay unloaded for the same reason as `sandbox-agent`: they would bypass the bash sandbox. + +Tests: `tests/escalation.e2e.ts` — keyless, it boots the real `cordis.yml` through the Loader as an ACP subprocess, proves the whole tree (sandbox executor + approval service + bridge) initializes and opens a session, and drives the config options end to end (both advertised with composition currents, switches honored and echoed as complete state, out-of-vocabulary values rejected); with a key and a usable runner, a scripted ACP client plays the human — the real model gets denied, escalates, the client answers `allow-once`, and the retried write must land on disk. `tests/acp.snapshot.ts` (the [shared snapshot kit](../../packages/support/acp-snapshot/) over this composition's `cordis.snapshot.yml` replay overlay) pins four scenarios as committed wire bytes: the keyless config-option exchange, the recorded `mode-switching` arc (the suite's pinned header — both switches, their prompt-section deltas, one "changed by the user" notice per knob, and a confined write landing under the switched mode), and both recorded escalation branches (`session/request_permission` answered allow-once / reject-once). Replay re-executes every recorded bash call under the host's real runner — Seatbelt works out of the box on macOS; on Linux install bubblewrap (or build the Landlock launcher) first, exactly what ci.yml's snapshot lane does. No fixture carries a real denial: denial stderr is backend dialect and would pin a fixture to its recording platform (the rationale comment atop the suite file). diff --git a/examples/sandbox-acp-agent/cordis.snapshot.yml b/examples/sandbox-acp-agent/cordis.snapshot.yml new file mode 100644 index 0000000000..b5f8ac73ed --- /dev/null +++ b/examples/sandbox-acp-agent/cordis.snapshot.yml @@ -0,0 +1,30 @@ +# Snapshot-test REPLAY overlay for the sandboxed composition: the SAME app +# tree as cordis.yml, derived from it by an include — the one difference is +# the model backend. A keyless replay run cannot boot the real adapter +# (llm-deepseek's apply() throws without DEEPSEEK_API_KEY), so the include +# patches the live tree at load time: the llm-deepseek entry is disabled by +# id, and the llm-replay entry (which serves a recorded session JSONL — no +# API key, no network) is inserted. Every other entry — the sandbox provider, +# the confined bash executor, the approval seam, the app — IS the live tree. +# The sandbox provider probes for a platform runner per EXECUTION, not at +# boot, so a protocol-only scenario (session config options) replays on hosts +# with no runner at all. +# +# The dsh-acp-agent bin selects this file for DSH_SNAPSHOT=replay (the +# sibling-swap of whatever config path it was handed). The replay fixture +# path comes from $DSH_SNAPSHOT_FILE, set by the snapshot harness. stdout +# stays reserved for the ACP JSON-RPC protocol. +- id: base + name: '@cordisjs/plugin-include' + config: + path: ./cordis.yml + patches: + # The name is an assertion, not an override: the include skips the patch + # (warning) when the id points at a different plugin, so this can never + # disable the wrong entry. + - id: llm-deepseek + name: '@deepseek-ai/dsh-llm-deepseek' + disabled: true + - insert: + - id: llm-replay + name: '@deepseek-ai/dsh-llm-replay' diff --git a/examples/sandbox-acp-agent/cordis.yml b/examples/sandbox-acp-agent/cordis.yml new file mode 100644 index 0000000000..d02253342e --- /dev/null +++ b/examples/sandbox-acp-agent/cordis.yml @@ -0,0 +1,60 @@ +# The sandbox-acp-agent plugin tree: the sandboxed coding agent served over the +# Agent Client Protocol, with the approval seam composed — the first LIVE +# approval composition. A sandbox denial escalated by the model +# (sandbox_permissions + justification) reaches the EDITOR as a +# session/request_permission prompt through the ACP bridge's answerer, and an +# "Allow once" runs exactly that command under the wider mode. +# +# CRITICAL: this tree loads NO stdout logger and NO hmr — stdout is reserved +# for the ACP JSON-RPC protocol (a property of @deepseek-ai/dsh-acp-agent, +# same as examples/acp-agent). +# +# Requires DEEPSEEK_API_KEY (and optionally DEEPSEEK_BASE_URL) — the +# dsh-acp-agent bin loads the gitignored repo-root .env first (on STDERR only). + +# The DeepSeek adapter. +- id: llm-deepseek + name: '@deepseek-ai/dsh-llm-deepseek' + config: + apiKey: !!js process.env.DEEPSEEK_API_KEY + baseURL: !!js process.env.DEEPSEEK_BASE_URL + models: + - deepseek-v4-flash + +# The sandbox stack: the platform-runner provider (bwrap → per-platform +# Landlock launcher → Seatbelt, functionally probed), then the confined bash executor. +# read-only is the fail-safe default; the write boundary for an escalated +# workspace-write run is workspaceRoot + the platform's temp area. NOTE: the +# workspace root is CONFIG-FIXED for the executor's lifetime (the launch dir +# here), while each ACP session has its own cwd — a per-session root is config- +# phase future work in the sandbox RFC. +- id: sandbox + name: '@deepseek-ai/dsh-sandbox-local' +- id: bash + name: '@deepseek-ai/dsh-bash-sandbox' + config: + mode: read-only + workspaceRoot: !!js process.cwd() + +# The approval seam (ctx.approval — mechanism only, no config): with it +# mounted, the bash tool's escalation gate has a channel, and the ACP bridge +# inside dsh-acp-agent answers for the sessions it owns by prompting the +# editor. Without an editor attached nothing can answer, and every ask fails +# closed. +- id: approval + name: '@deepseek-ai/dsh-user-approval' + +# The ACP server app: the agent-core spine + JSONL persistence + the ACP +# bridge (whose approval answerer completes the loop). +- id: acp-agent + name: '@deepseek-ai/dsh-acp-agent' + config: + model: deepseek-v4-flash + # Persistence root: $DSH_SNAPSHOT_SESSIONS_ROOT when the snapshot harness + # sets it (so a record run's logs land where the harness harvests them), + # else the local ./.sessions default. + persistenceRoot: !!js process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? './.sessions' + persona: | + You are a coding assistant powered by the {{model}} model. Your working directory is {{cwd}}. Your bash tool runs under a file sandbox — a `[sandbox: file access denied …]` result is policy, not a command bug. + + Verify your work by running the code or tests. Keep answers brief and factual. diff --git a/examples/sandbox-acp-agent/package.json b/examples/sandbox-acp-agent/package.json new file mode 100644 index 0000000000..5a4c9a989e --- /dev/null +++ b/examples/sandbox-acp-agent/package.json @@ -0,0 +1,7 @@ +{ + "name": "sandbox-acp-agent-example", + "description": "Runnable demo: the sandboxed coding agent as an ACP server, with sandbox-escalation approval prompts answered by the editor", + "private": true, + "version": "0.0.1", + "type": "module" +} diff --git a/examples/sandbox-acp-agent/tests/acp.snapshot.ts b/examples/sandbox-acp-agent/tests/acp.snapshot.ts new file mode 100644 index 0000000000..418b8068d3 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/acp.snapshot.ts @@ -0,0 +1,82 @@ +import { dirname, join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { defineAcpSnapshotSuite, type Scenario, type SnapshotSuiteOptions } from '@deepseek-ai/dsh-acp-snapshot' + +/** + * Snapshot suite for the SANDBOXED composition (`../cordis.yml`, swapped to + * the sibling `cordis.snapshot.yml` replay overlay by the bin under + * `DSH_SNAPSHOT=replay`). Replay swaps only the MODEL for the recorded + * transcript — every bash call re-executes for real under the host's actual + * runner (Seatbelt on macOS, bwrap on Linux CI: ci.yml's snapshot lane + * installs bubblewrap for exactly this), so the recorded scenarios double as + * cross-backend confinement regression: an allowed command a runner change + * starts denying fails replay outright. Their commands are limited to + * `cat`/`printf` shapes whose bytes are identical across those backends and + * across GNU/BSD userlands. + * + * Deliberately ABSENT: a scenario whose transcript carries a real sandbox + * DENIAL. The harness-authored `[sandbox: file access denied …]` marker is + * byte-stable, but the denied command's own stderr is the backend's dialect + * (bwrap EROFS "Read-only file system", Landlock EACCES "Permission + * denied", Seatbelt EPERM "Operation not permitted", GNU vs BSD phrasing on + * top), and stderr reaches both compared surfaces — such a fixture replays + * only on the platform that recorded it. The denial→marker path stays on + * dsh-tool-bash's unit tests and the real-kernel sandbox e2e legs + * (.github/workflows/sandbox.yml); the escalation scenarios below sidestep + * it by having the USER assert the prior denial, so the recorded model + * escalates without a platform-variant denial in the log. + */ +const SCENARIOS: Scenario[] = [ + // Protocol-only (keyless, authored): the session config-option surface + // this composition adds — both advertised selects on session/new, the + // complete refreshed state every session/set_config_option answers with, + // and both rejection shapes — as committed wire bytes. No bash runs, so + // this one still replays on runner-less hosts. + { name: 'config-options', hasModelTurn: false, recorded: false }, + // The runtime mode-switching arc, and NECESSARILY the pinned-header + // scenario: an approval-policy switch rewrites its prompt section, and the + // resulting request/header-delta is legal only in the pinning scenario + // (the factory's uniformity guard). The pin commits this composition's + // full header — persona, tool schemas WITH the escalation fields — plus + // the approval delta and its "changed by the user" notice verbatim. The + // SANDBOX switch is deliberately silent (no section, no notice — the + // sandbox RFC's visibility asymmetry): the recorded arc proves it by + // BEHAVIOR, a confined write landing under the switched mode with no + // header change. + { name: 'mode-switching', hasModelTurn: true, recorded: true, pinsHeader: true, expectedHeaderDeltas: 1 }, + // The approval wire end-to-end, under the DEFAULT read-only/ask (a switch + // would emit a header-delta the uniformity guard forbids here): the + // escalating bash call streams, session/request_permission attaches to it + // (allow-once / reject-once), and the scripted answer drives each branch — + // an approved run executes CONFINED under the granted workspace-write; a + // rejected one executes nothing and fails with the deterministic + // rejection text. + { name: 'escalation-approved', hasModelTurn: true, recorded: true }, + { name: 'escalation-rejected', hasModelTurn: true, recorded: true }, +] + +function snapshotModeFromEnv(value: string | undefined): SnapshotSuiteOptions['mode'] { + switch (value) { + case undefined: + case '': + case 'replay': + return 'replay' + case 'record': + return 'record' + case 'refresh': + return 'refresh' + default: + throw new Error(`unknown DSH_SNAPSHOT mode: ${value}`) + } +} + +defineAcpSnapshotSuite({ + agent: { + binScript: fileURLToPath(new URL('../../../packages/ui/acp-agent/src/bin.ts', import.meta.url)), + configPath: fileURLToPath(new URL('../cordis.yml', import.meta.url)), + tsconfigPath: fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)), + }, + snapshotsDir: join(dirname(fileURLToPath(import.meta.url)), 'snapshots'), + scenarios: SCENARIOS, + mode: snapshotModeFromEnv(process.env.DSH_SNAPSHOT), +}) diff --git a/examples/sandbox-acp-agent/tests/escalation.e2e.ts b/examples/sandbox-acp-agent/tests/escalation.e2e.ts new file mode 100644 index 0000000000..93915717a1 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/escalation.e2e.ts @@ -0,0 +1,213 @@ +import { spawn, spawnSync, type ChildProcessWithoutNullStreams } from 'node:child_process' +import { Readable, Writable } from 'node:stream' +import { mkdtemp, readFile, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { afterEach, describe, expect, it } from 'vitest' +import { + ClientSideConnection, + ndJsonStream, + PROTOCOL_VERSION, + type Agent as AcpAgent, + type Client, + type RequestPermissionRequest, + type RequestPermissionResponse, + type SessionNotification, +} from '@agentclientprotocol/sdk' + +/** + * examples/sandbox-acp-agent end to end. + * + * Keyless smoke: boot the REAL `cordis.yml` through the `dsh-acp-agent` bin as + * an ACP subprocess and drive initialize + session/new — the real-Loader-path + * guard (postmortem 0001) for THIS tree's export shapes, which now include the + * sandbox executor AND the approval service. No prompt is sent, so neither the + * model nor a sandbox runner is ever exercised. + * + * With-key escalation flow (self-skips without DEEPSEEK_API_KEY or a usable + * platform runner): a scripted ACP client plays the human. The real model is + * denied under `read-only`, escalates with `sandbox_permissions` + + * `justification`, the bridge prompts THIS client over + * `session/request_permission`, the client answers `allow-once`, and the + * retried write must land ON DISK (world-verified). The session cwd is a temp + * dir under the platform temp area, which `workspace-write` grants — so either + * escalation target the model picks can land the write. + */ + +const binScript = fileURLToPath(new URL('../../../packages/ui/acp-agent/src/bin.ts', import.meta.url)) +const configPath = fileURLToPath(new URL('../cordis.yml', import.meta.url)) +const tsxLoader = fileURLToPath(import.meta.resolve('tsx')) +// The subprocess runs from a temp cwd OUTSIDE the repo; point tsx at the repo +// tsconfig so the unbuilt `paths` map resolves (see examples/AGENTS.md). +const repoTsconfig = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)) + +// A usable confining runner, probed the same way the executor suites do: +// bwrap on Linux, Seatbelt's sandbox-exec on macOS. Without one the strict +// attempt would fail closed (SANDBOX_UNAVAILABLE) instead of producing the +// denial this flow starts from. +const hasBwrap = spawnSync('bwrap', ['--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent', '--', 'true'], { + timeout: 5_000, + stdio: 'ignore', +}).status === 0 +const hasSeatbelt = process.platform === 'darwin' && spawnSync('sandbox-exec', ['-p', '(version 1)(allow default)', 'true'], { + timeout: 5_000, + stdio: 'ignore', +}).status === 0 +const hasRunner = hasBwrap || hasSeatbelt + +interface Spawned { + child: ChildProcessWithoutNullStreams + client: ClientSideConnection + updates: SessionNotification['update'][] + permissionRequests: RequestPermissionRequest[] + stderr: string[] +} + +/** Boot the example as an ACP subprocess; the scripted client answers every permission prompt with `answer`. */ +function spawnSandboxAcpAgent(cwd: string, answer: 'allow-once' | 'reject-once'): Spawned { + const child = spawn( + process.execPath, + ['--import', tsxLoader, binScript, configPath], + { + cwd, + // A dummy key lets the deepseek adapter boot keyless (presence-checked at + // apply, used only on a real model call); the with-key tests carry the + // real key, so the fallback is inert there. + env: { ...process.env, DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', TSX_TSCONFIG_PATH: repoTsconfig }, + stdio: ['pipe', 'pipe', 'pipe'], + }, + ) + const stderr: string[] = [] + child.stderr.setEncoding('utf8') + child.stderr.on('data', (chunk: string) => stderr.push(chunk)) + + const updates: SessionNotification['update'][] = [] + const permissionRequests: RequestPermissionRequest[] = [] + const stream = ndJsonStream( + Writable.toWeb(child.stdin) as WritableStream<Uint8Array>, + Readable.toWeb(child.stdout) as ReadableStream<Uint8Array>, + ) + const makeClient = (_agent: AcpAgent): Client => ({ + sessionUpdate(params: SessionNotification): Promise<void> { + updates.push(params.update) + return Promise.resolve() + }, + requestPermission(params: RequestPermissionRequest): Promise<RequestPermissionResponse> { + permissionRequests.push(params) + const option = params.options.find(o => o.optionId === answer) + // The scripted human: pick the requested option when the prompt offers + // it; an unexpected prompt shape cancels (fail closed, never grants). + if (option === undefined) return Promise.resolve({ outcome: { outcome: 'cancelled' } }) + return Promise.resolve({ outcome: { outcome: 'selected', optionId: option.optionId } }) + }, + }) + const client = new ClientSideConnection(makeClient, stream) + return { child, client, updates, permissionRequests, stderr } +} + +let spawned: Spawned | undefined +let workdir: string | undefined + +afterEach(async () => { + if (spawned !== undefined && spawned.child.exitCode === null) spawned.child.kill('SIGKILL') + spawned = undefined + if (workdir !== undefined) await rm(workdir, { recursive: true, force: true }) + workdir = undefined +}) + +describe('sandbox-acp-agent keyless smoke (real cordis.yml via the Loader)', () => { + it('boots the tree — sandbox executor + approval service + bridge — and opens a session', async () => { + workdir = await mkdtemp(join(tmpdir(), 'sandbox-acp-smoke-')) + spawned = spawnSandboxAcpAgent(workdir, 'reject-once') + const { client } = spawned + // A dummy key boots the adapter; no prompt is ever sent, so no model call + // and no sandbox runner probe happen. This drives the fiber tree the same + // way an editor would, which is what catches a broken export/inject shape. + const init = await client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + expect(init.protocolVersion).toBe(PROTOCOL_VERSION) + const { sessionId } = await client.newSession({ cwd: workdir, mcpServers: [] }) + expect(sessionId.length).toBeGreaterThan(0) + }, 30_000) + + it('advertises both session config options and honors a switch end to end (no key, no model)', async () => { + workdir = await mkdtemp(join(tmpdir(), 'sandbox-acp-config-')) + spawned = spawnSandboxAcpAgent(workdir, 'reject-once') + const { client } = spawned + await client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + // This tree composes bash-sandbox (mode: read-only) + approval → both + // knobs advertise, currents from composition config. + const created = await client.newSession({ cwd: workdir, mcpServers: [] }) + const advertised = created.configOptions ?? [] + expect(advertised.map(option => [option.id, 'currentValue' in option ? option.currentValue : undefined])) + .toEqual([['sandbox-mode', 'read-only'], ['approval-policy', 'ask']]) + // A switch responds with the COMPLETE refreshed state (the spec contract), + // and the new currents survive in the response of a second switch. + const afterSandbox = await client.setSessionConfigOption({ + sessionId: created.sessionId, configId: 'sandbox-mode', value: 'workspace-write', + }) + const afterApproval = await client.setSessionConfigOption({ + sessionId: created.sessionId, configId: 'approval-policy', value: 'never', + }) + const currents = (afterApproval.configOptions ?? []).map(option => + [option.id, 'currentValue' in option ? option.currentValue : undefined]) + expect(afterSandbox.configOptions?.find(option => option.id === 'sandbox-mode')) + .toMatchObject({ currentValue: 'workspace-write' }) + expect(currents).toEqual([['sandbox-mode', 'workspace-write'], ['approval-policy', 'never']]) + // An out-of-vocabulary value is a protocol error, never a silent default. + await expect(client.setSessionConfigOption({ + sessionId: created.sessionId, configId: 'sandbox-mode', value: 'yolo', + })).rejects.toThrow(/unknown sandbox-mode value/) + }, 30_000) +}) + +describe.skipIf(!process.env.DEEPSEEK_API_KEY || !hasRunner)('sandbox-acp-agent e2e: the live approval loop', () => { + it('denial → model escalation → editor prompt → allow-once → the retried write lands on disk', async () => { + workdir = await mkdtemp(join(tmpdir(), 'sandbox-acp-e2e-')) + spawned = spawnSandboxAcpAgent(workdir, 'allow-once') + const { client, permissionRequests } = spawned + + await client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await client.newSession({ cwd: workdir, mcpServers: [] }) + const res = await client.prompt({ + sessionId, + prompt: [{ type: 'text', text: `Use the bash tool to create the file ${workdir}/escalated.txt containing exactly "ACP_ESCALATION_OK". ` + + 'If the sandbox denies it, retry once with sandbox_permissions and a one-sentence justification, then stop.' }], + }) + expect(['end_turn', 'max_tokens']).toContain(res.stopReason) + + // The WORLD: the approved escalated retry landed the write read-only denied. + const proof = await readFile(join(workdir, 'escalated.txt'), 'utf8') + expect(proof).toContain('ACP_ESCALATION_OK') + + // The CHANNEL: the grant came through a real session/request_permission + // prompt attached to the escalating tool call, offering exactly the + // one-shot options. + expect(permissionRequests.length).toBeGreaterThan(0) + const prompt = permissionRequests[0] + if (prompt === undefined) throw new Error('expected a permission request') + expect(prompt.sessionId).toBe(sessionId) + expect(typeof prompt.toolCall.toolCallId).toBe('string') + expect(prompt.options.map(o => o.optionId).sort()).toEqual(['allow-once', 'reject-once']) + }, 240_000) + + it('a rejected escalation stays denied: no write lands, the turn still ends', async () => { + workdir = await mkdtemp(join(tmpdir(), 'sandbox-acp-e2e-')) + spawned = spawnSandboxAcpAgent(workdir, 'reject-once') + const { client, permissionRequests } = spawned + + await client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await client.newSession({ cwd: workdir, mcpServers: [] }) + const res = await client.prompt({ + sessionId, + prompt: [{ type: 'text', text: `Use the bash tool to create the file ${workdir}/refused.txt containing "NO". ` + + 'If the sandbox denies it, retry once with sandbox_permissions and a one-sentence justification. If that is rejected, stop and say so.' }], + }) + expect(['end_turn', 'max_tokens']).toContain(res.stopReason) + + // The WORLD: rejected means the file never appeared. + await expect(readFile(join(workdir, 'refused.txt'), 'utf8')).rejects.toThrow() + // And the rejection really flowed through a prompt (not a missing channel). + expect(permissionRequests.length).toBeGreaterThan(0) + }, 240_000) +}) diff --git a/examples/sandbox-acp-agent/tests/snapshots/config-options/input.json b/examples/sandbox-acp-agent/tests/snapshots/config-options/input.json new file mode 100644 index 0000000000..043019b659 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/config-options/input.json @@ -0,0 +1,10 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "setConfigOption", "configId": "sandbox-mode", "value": "workspace-write" }, + { "op": "setConfigOption", "configId": "approval-policy", "value": "never" }, + { "op": "setConfigOptionExpectError", "configId": "sandbox-mode", "value": "yolo" }, + { "op": "setConfigOptionExpectError", "configId": "reasoning-effort", "value": "max" } + ] +} diff --git a/examples/sandbox-acp-agent/tests/snapshots/config-options/session.jsonl b/examples/sandbox-acp-agent/tests/snapshots/config-options/session.jsonl new file mode 100644 index 0000000000..a6f73319bc --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/config-options/session.jsonl @@ -0,0 +1 @@ +{"type":"session","version":0,"id":"00000000-0000-0000-0000-000000000000","createdAt":0} diff --git a/examples/sandbox-acp-agent/tests/snapshots/config-options/stdout.golden.jsonl b/examples/sandbox-acp-agent/tests/snapshots/config-options/stdout.golden.jsonl new file mode 100644 index 0000000000..3fab1e81fa --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/config-options/stdout.golden.jsonl @@ -0,0 +1,6 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentInfo":{"name":"deepseek-harness-acp","version":"0.0.1"},"agentCapabilities":{"loadSession":true,"promptCapabilities":{"image":false,"audio":false,"embeddedContext":false}},"authMethods":[]}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}","configOptions":[{"id":"sandbox-mode","name":"Sandbox","description":"The file sandbox mode bash commands in this session run under.","category":"mode","type":"select","currentValue":"read-only","options":[{"value":"read-only","name":"read-only"},{"value":"workspace-write","name":"workspace-write"},{"value":"danger-full-access","name":"danger-full-access"}]},{"id":"approval-policy","name":"Approvals","description":"ask: permission prompts reach you; never: they are rejected automatically.","type":"select","currentValue":"ask","options":[{"value":"ask","name":"ask"},{"value":"never","name":"never"}]}]}} +{"jsonrpc":"2.0","id":3,"result":{"configOptions":[{"id":"sandbox-mode","name":"Sandbox","description":"The file sandbox mode bash commands in this session run under.","category":"mode","type":"select","currentValue":"workspace-write","options":[{"value":"read-only","name":"read-only"},{"value":"workspace-write","name":"workspace-write"},{"value":"danger-full-access","name":"danger-full-access"}]},{"id":"approval-policy","name":"Approvals","description":"ask: permission prompts reach you; never: they are rejected automatically.","type":"select","currentValue":"ask","options":[{"value":"ask","name":"ask"},{"value":"never","name":"never"}]}]}} +{"jsonrpc":"2.0","id":4,"result":{"configOptions":[{"id":"sandbox-mode","name":"Sandbox","description":"The file sandbox mode bash commands in this session run under.","category":"mode","type":"select","currentValue":"workspace-write","options":[{"value":"read-only","name":"read-only"},{"value":"workspace-write","name":"workspace-write"},{"value":"danger-full-access","name":"danger-full-access"}]},{"id":"approval-policy","name":"Approvals","description":"ask: permission prompts reach you; never: they are rejected automatically.","type":"select","currentValue":"never","options":[{"value":"ask","name":"ask"},{"value":"never","name":"never"}]}]}} +{"jsonrpc":"2.0","id":5,"error":{"code":-32602,"message":"Invalid params: unknown sandbox-mode value \"yolo\""}} +{"jsonrpc":"2.0","id":6,"error":{"code":-32602,"message":"Invalid params: unknown config option \"reasoning-effort\""}} diff --git a/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/input.json b/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/input.json new file mode 100644 index 0000000000..4cfa610f55 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/input.json @@ -0,0 +1,10 @@ +{ + "steps": [ + { "op": "initialize" }, + { "op": "newSession" }, + { "op": "prompt", "text": "The sandbox already denied writing escalated.txt in this workspace earlier. 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After the result, reply with the single word DONE and stop." } + ], + "permissionAnswers": [ + { "kind": "allow_once" } + ] +} diff --git a/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/session.jsonl b/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/session.jsonl new file mode 100644 index 0000000000..2ac9d27044 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/escalation-approved/session.jsonl @@ -0,0 +1,149 @@ +{"type":"session","version":0,"id":"8f399407-f505-45e5-9058-0994ff7b0865","createdAt":1783486769425,"cwd":"/var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-xKPr5d"} +{"type":"turn/start","seq":0,"time":1783486769426,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783486769426,"data":{"content":[{"type":"text","text":"The sandbox already denied writing escalated.txt in this workspace earlier. 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Then reply with the single word DONE and stop." }, + { "op": "setConfigOption", "configId": "sandbox-mode", "value": "workspace-write" }, + { "op": "prompt", "text": "Use the bash tool to run exactly this one command in a single call: printf 'switched\\n' > out.txt && cat out.txt. Then reply with the single word DONE and stop." }, + { "op": "setConfigOption", "configId": "approval-policy", "value": "never" }, + { "op": "prompt", "text": "Without using any tools, state your current approval policy in one short sentence and stop." } + ] +} diff --git a/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl new file mode 100644 index 0000000000..ef287390aa --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl @@ -0,0 +1,245 @@ +{"type":"session","version":0,"id":"eee406bd-e76b-4d87-8fb7-0ffa2dc94fe6","createdAt":1783613224994,"cwd":"/var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-mNdf7I"} +{"type":"turn/start","seq":0,"time":1783613224997,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}} +{"type":"user/message","seq":1,"time":1783613224997,"data":{"content":[{"type":"text","text":"Use the bash tool to run exactly: cat notes.txt. 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+{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" are"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" never"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" asked"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":";"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" any"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" action"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" requiring"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" approval"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" is"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" automatically"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":" rejected"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"."}}}} +{"jsonrpc":"2.0","id":7,"result":{"stopReason":"end_turn"}} diff --git a/examples/sandbox-acp-agent/tests/snapshots/mode-switching/system-prompt.golden.md b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/system-prompt.golden.md new file mode 100644 index 0000000000..2da5f39805 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/system-prompt.golden.md @@ -0,0 +1,15 @@ +You are an AI agent powered by the DeepSeek Harness SDK. + +You are a coding assistant powered by the deepseek-v4-flash model. Your working directory is {{cwd}}. Your bash tool runs under a file sandbox — a `[sandbox: file access denied …]` result is policy, not a command bug. + +Verify your work by running the code or tests. Keep answers brief and factual. + + +Check the [exit code: N] marker on every bash result; investigate failures before moving on. + +<!-- dsh-user-approval-policy:ask --> + +<!-- request/header-delta 1: keepStart=9, keepEnd=0 --> + +Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`). +<!-- dsh-user-approval-policy:never --> diff --git a/examples/sandbox-acp-agent/tests/snapshots/mode-switching/workspace/notes.txt b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/workspace/notes.txt new file mode 100644 index 0000000000..a6eda7f939 --- /dev/null +++ b/examples/sandbox-acp-agent/tests/snapshots/mode-switching/workspace/notes.txt @@ -0,0 +1 @@ +hello from the sandboxed workspace diff --git a/knip.json b/knip.json index 5e61645458..cf43b90e34 100644 --- a/knip.json +++ b/knip.json @@ -1,6 +1,7 @@ { "$schema": "https://unpkg.com/knip@5/schema.json", "exclude": ["duplicates"], + "ignoreBinaries": ["bwrap", "sandbox-exec"], "ignoreWorkspaces": ["vendor/*"], "workspaces": { ".": { @@ -8,8 +9,9 @@ "examples/echo-agent/src/*.ts", "examples/echo-agent/tests/**/*.e2e.ts", "examples/coding-agent/tests/**/*.e2e.ts", + "examples/cordis-agent/tests/**/*.e2e.ts", "examples/acp-agent/tests/**/*.e2e.ts", - "examples/acp-agent/tests/**/*.snapshot.ts" + "examples/*/tests/**/*.snapshot.ts" ], "project": ["scripts/**/*.ts", "examples/**/*.ts"] }, @@ -17,10 +19,36 @@ "entry": ["tests/**/*.spec.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, + "packages/bash/bash-sandbox": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, + "packages/sandbox/sandbox-local": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, "packages/util/brand": { "project": ["src/**/*.ts"], "ignoreDependencies": ["cordis"] }, + "packages/util/timeout": { + "entry": ["tests/**/*.spec.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"], + "ignoreDependencies": ["cordis"] + }, + "packages/support/acp-snapshot": { + "entry": ["tests/**/*.spec.ts", "tests/fixtures/fake-acp-agent.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"], + "ignoreDependencies": ["cordis"] + }, + "packages/core/agent-loop": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, + "packages/code-runtime/code-runtime-worker": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, "packages/llm/llm-deepseek": { "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] @@ -37,6 +65,10 @@ "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, + "packages/workflow/workflow-workerthread": { + "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"] + }, "packages/web/web-search-deepseek": { "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] @@ -57,6 +89,11 @@ "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts", "tests/mock-acp-server.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] }, + "packages/subagent/subagent-subprocess": { + "entry": ["tests/**/*.spec.ts"], + "project": ["src/**/*.ts", "tests/**/*.ts"], + "ignoreDependencies": ["cordis"] + }, "packages/fs/tool-fs": { "entry": ["tests/**/*.spec.ts", "tests/**/*.e2e.ts"], "project": ["src/**/*.ts", "tests/**/*.ts"] diff --git a/lefthook.yml b/lefthook.yml index 2a255424fa..53b8cc84c2 100644 --- a/lefthook.yml +++ b/lefthook.yml @@ -20,19 +20,6 @@ pre-commit: run: scripts/check-vendor-manifest.sh pre-push: - parallel: true jobs: - - name: test - run: pnpm run test - - - name: snapshot - run: pnpm run test:snapshot - - - name: hygiene - run: pnpm run hygiene - - - name: doc-sync - run: pnpm run doc-sync - - - name: module-graph freshness - run: pnpm run verify-module-graph + - name: full check + run: pnpm run check:pre-push diff --git a/package.json b/package.json index 9257eb2ac9..0fc57b7db5 100644 --- a/package.json +++ b/package.json @@ -5,7 +5,7 @@ "type": "module", "packageManager": "pnpm@11.7.0", "engines": { - "node": ">=24" + "node": "^22.19.0 || >=24.0.0" }, "workspaces": [ "vendor/*", @@ -22,6 +22,15 @@ "test:e2e": "vitest run --config vitest.e2e.config.ts", "test:snapshot": "vitest run --config vitest.snapshot.config.ts", "test:snapshot:record": "DSH_SNAPSHOT=record vitest run --config vitest.snapshot.config.ts --update", + "test:snapshot:refresh": "DSH_SNAPSHOT=refresh vitest run --config vitest.snapshot.config.ts", + "check:ci": "tsx scripts/run-gates.ts ci-primary", + "check:ci:static": "tsx scripts/run-gates.ts ci-static", + "check:ci:lint": "tsx scripts/run-gates.ts ci-lint", + "check:ci:coverage": "tsx scripts/run-gates.ts ci-coverage", + "check:ci:snapshot": "tsx scripts/run-gates.ts ci-snapshot", + "check:ci:artifacts": "tsx scripts/run-gates.ts ci-artifacts", + "check:node-compat": "tsx scripts/run-gates.ts node-compat", + "check:pre-push": "tsx scripts/run-gates.ts pre-push", "knip": "knip --treat-config-hints-as-errors", "publint": "tsx scripts/publint-all.ts", "doc-typecheck": "tsx scripts/doc-typecheck.ts", @@ -29,37 +38,55 @@ "verify-md-links": "tsx scripts/verify-md-links.ts", "verify-doc-refs": "tsx scripts/verify-doc-refs.ts", "verify-package-paths": "tsx scripts/verify-package-paths.ts", + "verify-mermaid": "tsx scripts/verify-mermaid.ts", "verify-rfc-classification": "tsx scripts/verify-rfc-classification.ts", + "verify-rfc-format": "tsx scripts/verify-rfc-format.ts", "verify-type-equiv": "tsx scripts/verify-type-equiv.ts", "verify-translation-pairing": "tsx scripts/verify-translation-pairing.ts", "verify-doc-budgets": "tsx scripts/verify-doc-budgets.ts", "verify-node-next-types": "tsx scripts/verify-node-next-types.ts", "gen-cordis-catalog": "tsx scripts/gen-cordis-catalog.ts", + "gen-rfc-index": "tsx scripts/gen-rfc-index.ts", "verify-cordis-catalog": "tsx scripts/gen-cordis-catalog.ts --check", + "gen-cordis-api": "tsx scripts/gen-cordis-api.ts", + "verify-cordis-api": "tsx scripts/gen-cordis-api.ts --check", + "verify-export-jsdoc": "tsx scripts/verify-export-jsdoc.ts", "gen-tool-catalog": "tsx scripts/gen-tool-catalog.ts", "verify-tool-catalog": "tsx scripts/gen-tool-catalog.ts --check", + "gen-config-catalog": "tsx scripts/gen-config-catalog.ts", + "verify-config-catalog": "tsx scripts/gen-config-catalog.ts --check", + "gen-doc-graphs": "tsx scripts/gen-doc-graphs.ts", + "verify-doc-graphs": "tsx scripts/gen-doc-graphs.ts --check", + "gen-persistence-catalog": "tsx scripts/gen-persistence-catalog.ts", + "verify-persistence-catalog": "tsx scripts/gen-persistence-catalog.ts --check", "gen-module-graph": "tsx scripts/gen-module-graph.ts", "verify-module-graph": "tsx scripts/gen-module-graph.ts --check", "constraints": "tsx scripts/check-workspace-constraints.ts", - "doc-sync": "pnpm run doc-typecheck && pnpm run verify-cordis-catalog && pnpm run verify-tool-catalog && pnpm run verify-md-wrap && pnpm run verify-md-links && pnpm run verify-doc-refs && pnpm run verify-package-paths && pnpm run verify-rfc-classification && pnpm run verify-type-equiv && pnpm run verify-translation-pairing && pnpm run verify-doc-budgets", + "doc-sync": "pnpm run doc-typecheck && pnpm run verify-cordis-catalog && pnpm run verify-cordis-api && pnpm run verify-export-jsdoc && pnpm run verify-tool-catalog && pnpm run verify-config-catalog && pnpm run verify-persistence-catalog && pnpm run verify-doc-graphs && pnpm run verify-md-wrap && pnpm run verify-md-links && pnpm run verify-doc-refs && pnpm run verify-package-paths && pnpm run verify-mermaid && pnpm run verify-rfc-classification && pnpm run verify-rfc-format && pnpm run verify-type-equiv && pnpm run verify-translation-pairing && pnpm run verify-doc-budgets", "hygiene": "pnpm run knip && pnpm run publint && pnpm run constraints && pnpm run verify-node-next-types", "demo:echo": "node --expose-internals --import tsx packages/ui/stdio-agent/src/bin.ts examples/echo-agent/cordis.yml", "demo:repl": "node --expose-internals --import tsx packages/ui/stdio-agent/src/bin.ts examples/coding-agent/cordis.yml", + "demo:code-mode": "node scripts/demo-code-mode.mjs", + "demo:cordis": "node --expose-internals --import tsx packages/ui/stdio-agent/src/bin.ts examples/cordis-agent/cordis.yml", "demo:acp": "node --import tsx packages/ui/acp-agent/src/bin.ts examples/acp-agent/cordis.yml", + "demo:sandbox-acp": "node --import tsx packages/ui/acp-agent/src/bin.ts examples/sandbox-acp-agent/cordis.yml", "postinstall": "node scripts/install-lefthook.mjs" }, "devDependencies": { "@agentclientprotocol/sdk": "0.25.1", "@stylistic/eslint-plugin": "^5.10.0", + "@types/jsdom": "^28.0.3", "@types/mdast": "^4.0.4", - "@types/node": "^25.3.5", + "@types/node": "^22.20.0", "@vitest/coverage-v8": "^4.1.8", "eslint": "^10.4.1", "fast-check": "^4.8.0", + "jsdom": "29.1.1", "knip": "^6.16.1", "lefthook": "^2.1.9", "mdast-util-from-markdown": "^2.0.3", "mdast-util-gfm": "^3.1.0", + "mermaid": "11.16.0", "micromark-extension-gfm": "^3.0.0", "publint": "^0.3.21", "tsdown": "^0.22.2", diff --git a/packages/README.md b/packages/README.md index 4e19ec53d3..35c4652a1f 100644 --- a/packages/README.md +++ b/packages/README.md @@ -1,25 +1,32 @@ # Packages -Harness packages, all under the `@deepseek-ai/dsh-*` scope. Each package is a Cordis plugin (microkernel-style): it exports either a default `Service` subclass or a functional plugin, declares its ctx key/events through declaration merging, and exposes extension points through `ctx.effect()`, `ctx.on()`, and `ctx.waterfall()`. Authoring conventions: [AGENTS.md](AGENTS.md) (subtree) and the root [AGENTS.md](../AGENTS.md) § Conventions. +Harness packages use the `@deepseek-ai/dsh-*` scope. Each is a Cordis plugin: a default `Service` subclass or functional plugin declaring ctx keys/events through declaration merging and contributing through `ctx.effect()`, `ctx.on()`, or `ctx.waterfall()`. Authoring conventions: [AGENTS.md](AGENTS.md) and root [AGENTS.md](../AGENTS.md) § Conventions. ## Hierarchy -Packages are grouped by modular role at `packages/<group>/<pkg>/`. The group directory is a pure container (no `package.json` of its own); the package name stays `@deepseek-ai/dsh-<pkg>` regardless of group. **Each group README is the canonical per-package map** — package roles, ctx keys, and the product-vs-support split live there, next to the code. +Packages are grouped by modular role at `packages/<group>/<pkg>/`. The group directory is a pure container (no `package.json`); the package name stays `@deepseek-ai/dsh-<pkg>` regardless of group. **Each group README is the canonical per-package map** — package roles, ctx keys, and the product-vs-support split live there, next to the code. | Group | Role | Release expectation | |---|---|---| | [`core/`](core/README.md) | Product API spine: session, system-prompt, tools, agent, and the concrete loop | Product — stable surface | | [`llm/`](llm/README.md) | LLM capability family: the abstract service + provider adapters | Product — stable surface | | [`bash/`](bash/README.md) | Bash capability family: the executor seam, a local impl, and the model-facing tool | Product — stable surface | +| [`code-runtime/`](code-runtime/README.md) | Code-execution capability family: the abstract runtime seam for model-written programs + a worker-thread backend | Product — stable surface | +| [`sandbox/`](sandbox/README.md) | Process-confinement seam; bwrap/Landlock/Seatbelt backends | Product — stable surface | | [`fs/`](fs/README.md) | Filesystem capability family: the abstract seam, a local impl, and the model-facing file tools | Product — stable surface | +| [`skill/`](skill/README.md) | Skill capability family: the provider registry, local provider, and model-facing catalog/loader | Product — stable surface | | [`compact/`](compact/README.md) | Compaction capability family: the abstract seam + a basic backend (tool deferred) | Product — stable surface | | [`subagent/`](subagent/README.md) | Subagent capability family: the provider-registry seam and the model-facing delegation tool | Product — stable surface | +| [`workflow/`](workflow/README.md) | Workflow capability family: the script-engine seam, the worker-thread engine, and the model-facing `workflow` tool | Product — stable surface | | [`web/`](web/README.md) | Web capability family: the abstract seam, search/fetch provider impls, and the model-facing web tools | Product — stable surface | -| [`todo/`](todo/README.md) | Todo/planning family: the model-facing `todo_write` tool (whole-list task tracking on the session log) | Product — stable surface | +| [`timeout/`](timeout/README.md) | Tool-call timeout policy: the `tools/execute` deadline enforcer | Product — stable surface | +| [`todo/`](todo/README.md) | Todo/planning family: the model-facing `todo_write` tool | Product — stable surface | +| [`guard/`](guard/README.md) | Loop-hygiene guards: advisory repeat-call reminders | Product — stable surface | +| [`cordis/`](cordis/README.md) | Self-referential runtime toolset: inspect the live runtime's plugins and services, mount/unmount model-written plugins ([design](../docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md)) | Product — stable surface | | [`hooks/`](hooks/README.md) | Hook bridges + the shared Claude Code / Codex wire-protocol library | Product — stable surface | | [`session-persistence/`](session-persistence/README.md) | Persistence capability family: the seam + JSONL/SQLite backends | Product — stable surface | -| [`ui/`](ui/README.md) | Editor/client integration surfaces (the ACP bridge) + the app packages | Product — stable surface | -| [`support/`](support/README.md) | Dev/test/example infrastructure (invariants, stdio UI, replay adapter) | Support — lower compatibility expectations | +| [`ui/`](ui/README.md) | Editor/client integration surfaces: ACP bridge, app packages, user-approval and user-interaction seams, ask-user tool | Product — stable surface | +| [`support/`](support/README.md) | Dev/test/example infrastructure (invariants, replay adapter, subagent mock) | Support — lower compatibility expectations | | [`util/`](util/README.md) | Low-level zero-dependency utilities shared across groups (the `Branded<B>` primitive) | Support — small, stable, harness-dep-free | The split is the point: a package's group says whether it is part of the product API or support/test/example infrastructure, so release and removal decisions do not treat every package as an equal public contract. New packages join an existing group; adding a new top-level group is a deliberate act (extend the group READMEs and this table). @@ -28,6 +35,6 @@ The split is the point: a package's group says whether it is part of the product The inter-package dependency graph is generated: [docs/module-graph.md](../docs/module-graph.md) (`pnpm run gen-module-graph`, freshness-gated in CI). -The rule it must obey: **extension plugins depend on interfaces, never on the concrete loop.** `dsh-agent-loop` is swappable — UI/hook/tool plugins keep working against the `dsh-agent` vocabulary if the loop is replaced. The sanctioned exception is a **composition/bundle** package like `dsh-agent-core`, whose whole job is to assemble the concrete spine: it depends on `dsh-agent-loop` (and the other concrete spine plugins) on purpose. The rule constrains plugins that EXTEND the system, not the bundle that COMPOSES it — swapping the loop means shipping a different bundle, not rewiring every extension. A swappable capability splits into interface / implementation / consumer packages (the bash trio is the template — see [capability seams](../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)). +The rule it must obey: **extension plugins depend on interfaces, never on the concrete loop.** `dsh-agent-loop` is swappable — UI/hook/tool plugins keep working against the `dsh-agent` vocabulary if the loop is replaced. The sanctioned exception is a **composition/bundle** package like `dsh-agent-core`, whose whole job is to assemble the concrete spine: it depends on `dsh-agent-loop` (and the other concrete spine plugins) on purpose. The rule constrains plugins that EXTEND the system, not the bundle that COMPOSES it. A swappable capability splits into interface / implementation / consumer packages (the bash trio is the template — see [capability seams](../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)). Each package has its own `README.md` with purpose, service API, events, extension points, and deliberate non-goals (TODOs). diff --git a/packages/bash/README.md b/packages/bash/README.md index 9a9dba88d5..4072998f3e 100644 --- a/packages/bash/README.md +++ b/packages/bash/README.md @@ -1,11 +1,12 @@ # bash/ — bash capability family -The canonical three-package capability seam (see [capability seams](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)): an abstract executor interface, a concrete local implementation, and the model-facing tool that consumes it. All **product** packages. +The canonical three-package capability seam (see [capability seams](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)): an abstract executor interface, concrete implementations, and the model-facing tool that consumes it. All **product** packages. | Package | Role | ctx key | |---|---|---| -| `bash/` | Abstract bash executor seam (interface + vocabulary) | `ctx.bash` | +| `bash/` | Abstract bash executor seam (interface + vocabulary; sandbox result facts carry the [`sandbox/`](../sandbox/README.md) seam's mode/enforcement vocabulary) | `ctx.bash` | | `bash-local/` | Local-subprocess `BashExecutor` implementation | (registers `ctx.bash`) | +| `bash-sandbox/` | Sandbox-consuming `BashExecutor` (wraps every command argv via `ctx.sandbox`, stamps denial/enforcement facts; extends `bash-local`'s mechanics) | (registers `ctx.bash`) | | `tool-bash/` | Model-facing `bash`/`bash_output`/`bash_kill` tool schemas | (registers on `ctx.tools`) | -The interface lives at `bash/bash/`. A sandboxed executor would replace `bash-local` without touching the interface or the tool — the split is what makes that possible. +The interface lives at `bash/bash/`. `bash-sandbox` replacing `bash-local` without touching the interface or the tool is the split doing exactly what it exists for — a leaf `cordis.yml` picks one executor entry, plus a `ctx.sandbox` provider entry for the confined one (see [examples/sandbox-acp-agent](../../examples/sandbox-acp-agent/)). diff --git a/packages/bash/bash-local/README.md b/packages/bash/bash-local/README.md index 109debc24c..1ac8a7d06b 100644 --- a/packages/bash/bash-local/README.md +++ b/packages/bash/bash-local/README.md @@ -12,6 +12,7 @@ Local-subprocess implementation of the `@deepseek-ai/dsh-bash` executor seam: `L timeoutMs: 120000 # default foreground timeout maxTimeoutMs: 600000 # cap for per-call overrides maxOutputBytes: 64000 # per-stream in-memory cap; overflow spills to disk + graceMs: 3000 # SIGTERM→SIGKILL escalation grace on kills ``` ## Behavior (and where it came from) @@ -19,11 +20,11 @@ Local-subprocess implementation of the `@deepseek-ai/dsh-bash` executor seam: `L Design surveyed against the bash tools of Claude Code, OpenCode, Codex, and pi; the notable choices: - **Spawn per call, no shell state** — every call is a fresh non-login `bash -c` (deterministic; no rc files). All four surveyed tools spawn per call. `XXX(stateful-shell)` in `src/run.ts` records the two proven stateful designs (Claude Code's cwd-only persistence; Codex's PTY exec sessions) for when real workflows demand them. -- **Process-group kills with escalation** — children are spawned `detached` (own process group); kills send SIGTERM to the group, then SIGKILL after a 3s grace (OpenCode's escalation; pipelines and subshells die with the parent). ESRCH is tolerated; daemons that re-parent away from the group can still survive — same caveat as the surveyed tools. +- **Process-group kills with escalation** — children are spawned `detached` (own process group); kills send SIGTERM to the group, then SIGKILL after the `graceMs` grace (default 3s — OpenCode's escalation; pipelines and subshells die with the parent). ESRCH is tolerated; daemons that re-parent away from the group can still survive — same caveat as the surveyed tools. - **Tail-keep truncation + spill files** — output beyond `maxOutputBytes` keeps the in-memory TAIL (errors/results cluster at the end — pi/OpenCode rationale) while the FULL stream is appended to a temp file whose path is reported when available. If the final spill close reports a delayed writeback failure, the executor still returns the tail but withholds the path rather than advertising a possibly incomplete file. - **Model-friendly env + credential scrub** — `process.env` minus credential-shaped vars (`*KEY*`/`*SECRET*`/`*TOKEN*`), then `NO_COLOR=1 TERM=dumb PAGER=cat GIT_PAGER=cat` (Codex's hardcoded set) so pagers and ANSI color don't garble results. This scrub is the security control that keeps the harness's *ambient* credentials out of a spawned command. A spec's `env` is merged LAST (after the scrub), so a caller's explicit entry — a value it already holds — wins even on a credential-shaped name. The spec's `stdin`, when supplied, is written to the child and closed; with none supplied, fd 0 is `/dev/null` — the exact pre-seam default, so a command that probes stdin's file type is unaffected. Both `env`/`stdin` are set by in-process plugins (the hooks bridges); the model-facing tool doesn't expose them. See [the bash-stdin-env RFC](../../../docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md). - **Background tasks** — `start()` returns immediately, no timeout applies (Claude Code detaches timeouts when backgrounding), `readOutput()` is incremental with whole-stream byte offsets, and disposal kills everything. The spec's opaque `owner` token is stored on the tracked task and returned by `ownerOf(id)` — the executor never interprets it (the consumer's access policy does), and because it lives with the task here it survives a `tool-bash` HMR reload. ## Sandboxing -`TODO(permissions/sandbox)`: execution policy does NOT belong in this package. Use the `tools/pre-execute` deny/ask gate or implement a sandboxing `BashExecutor` — see docs/architecture.md § plugin checklist. Reference points: Claude Code wraps commands in sandbox-exec/bubblewrap; Codex applies seatbelt/landlock plus an execpolicy prefix-rule engine. +Execution policy does NOT belong in this package: this executor always runs commands unconfined. Confinement is [`dsh-bash-sandbox`](../bash-sandbox/README.md), which extends this executor verbatim and confines commands under the `ctx.sandbox` seam's bwrap/Landlock/Seatbelt backends ([sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)); per-call allow/deny/ask policy belongs on the `tools/pre-execute` gate. diff --git a/packages/bash/bash-local/package.json b/packages/bash/bash-local/package.json index bc1dc7eb40..e3c7ffe33b 100644 --- a/packages/bash/bash-local/package.json +++ b/packages/bash/bash-local/package.json @@ -23,6 +23,7 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-bash": "^0.0.1", + "@deepseek-ai/dsh-timeout": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "dependencies": { @@ -30,6 +31,7 @@ }, "devDependencies": { "@deepseek-ai/dsh-bash": "workspace:^", + "@deepseek-ai/dsh-timeout": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/bash/bash-local/src/index.ts b/packages/bash/bash-local/src/index.ts index af4c47e71e..6903c06e32 100644 --- a/packages/bash/bash-local/src/index.ts +++ b/packages/bash/bash-local/src/index.ts @@ -5,8 +5,9 @@ * survey notes), tracks background tasks, and kills everything on dispose. * * TODO(permissions/sandbox): execution policy does NOT belong here — use - * the `tools/pre-execute` deny/ask gate (see docs/architecture.md § plugin - * checklist) or implement a sandboxing `BashExecutor`. Reference points: + * the `tools/pre-execute` deny/ask gate (see docs/architecture.md + * § Extending The Harness) or implement a sandboxing `BashExecutor`. + * Reference points: * Claude Code wraps commands in sandbox-exec/bubblewrap; Codex applies * seatbelt/landlock plus an execpolicy prefix-rule engine. * @@ -17,7 +18,8 @@ import { Context } from 'cordis' import z from 'schemastery' import { BashExecutor, BashTaskId } from '@deepseek-ai/dsh-bash' import type { BashExecRequest, BashExecSpec, BashRunResult, BashTask, BashTaskRead, OwnerToken } from '@deepseek-ai/dsh-bash' -import { runBash } from './run.ts' +import { clampTimeout, deadline, timeoutOf } from '@deepseek-ai/dsh-timeout' +import { DEFAULT_GRACE_MS, runBash } from './run.ts' import type { RunInternals, RunningBash } from './run.ts' export { DEFAULT_GRACE_MS, ENV_OVERRIDES, killGroup, OutputCollector, runBash } from './run.ts' @@ -33,6 +35,8 @@ export interface Config { maxTimeoutMs?: number /** Per-stream in-memory output cap; overflow spills to a temp file. */ maxOutputBytes?: number + /** Grace period between the SIGTERM and the SIGKILL escalation on a kill. */ + graceMs?: number } /** The shape after schemastery applied the defaults (cwd has none). */ @@ -57,7 +61,7 @@ interface TrackedTask extends BashTask { * Local-subprocess bash executor. Defaults follow the agent-tool survey * consensus: 120s default / 600s max timeout (Claude Code, OpenCode), 64KB * in-memory output with full-stream spill files (pi, OpenCode), - * process-group SIGTERM→SIGKILL kills (OpenCode). + * process-group SIGTERM→SIGKILL kills with a 3s grace (OpenCode). */ export class LocalBashExecutor extends BashExecutor { static Config: z<Config> = z.object({ @@ -65,11 +69,12 @@ export class LocalBashExecutor extends BashExecutor { timeoutMs: z.number().default(120_000), maxTimeoutMs: z.number().default(600_000), maxOutputBytes: z.number().default(64_000), + graceMs: z.number().default(DEFAULT_GRACE_MS), }) private tasks = new Map<BashTaskId, TrackedTask>() private nextTaskId = 1 - /** Test seam: timer/spill knobs forwarded to runBash. */ + /** Test seam: spill knobs forwarded to runBash. */ internals: RunInternals = {} /** Validated config (schemastery applied the defaults before construction). */ @@ -83,6 +88,7 @@ export class LocalBashExecutor extends BashExecutor { assertPositiveFinite('timeoutMs', this.config.timeoutMs) assertPositiveFinite('maxTimeoutMs', this.config.maxTimeoutMs) assertPositiveFinite('maxOutputBytes', this.config.maxOutputBytes) + assertPositiveFinite('graceMs', this.config.graceMs) ctx.effect(() => async () => { // Kill every live process group and WAIT for the processes to close so // nothing outlives the fiber (HMR safety) — a TERM-trapping child is @@ -109,8 +115,12 @@ export class LocalBashExecutor extends BashExecutor { * values and never re-default. */ resolve(request: BashExecRequest): BashExecSpec { - if (request.timeoutMs !== undefined) assertPositiveFinite('request.timeoutMs', request.timeoutMs) - const timeoutMs = Math.min(request.timeoutMs ?? this.config.timeoutMs, this.config.maxTimeoutMs) + const timeoutMs = clampTimeout( + request.timeoutMs, + this.config.timeoutMs, + this.config.maxTimeoutMs, + 'bash-local: request.timeoutMs', + ) return { command: request.command, workdir: request.workdir ?? this.config.cwd ?? process.cwd(), @@ -123,33 +133,49 @@ export class LocalBashExecutor extends BashExecutor { // Carry the owner through verbatim (required-but-nullable on the spec): // the executor never interprets it — the consumer's access policy does. owner: request.owner, + // Carry a sandbox-mode override through verbatim: this executor never + // confines, so the field is inert here (the seam contract) — a + // sandboxing subclass overrides resolve() to stamp its default instead. + sandboxMode: request.sandboxMode, } } async run(spec: BashExecSpec): Promise<BashRunResult> { + // One fused deadline drives both the timeout and upstream cancellation; + // runBash listens on d.signal and runs the SIGTERM→grace→SIGKILL kill. + // `using` clears the timer across the awaited process lifetime. + using d = deadline(spec.signal, spec.timeoutMs, 'BASH_TIMEOUT') const outcome = await runBash({ command: spec.command, cwd: spec.workdir, - timeoutMs: spec.timeoutMs, maxOutputBytes: this.config.maxOutputBytes, - signal: spec.signal, + graceMs: this.config.graceMs, + signal: d.signal, stdin: spec.stdin, env: spec.env, }, this.internals).done - return { ...outcome, timeoutMs: spec.timeoutMs } + // Classify the FIRST abort reason: a BASH_TIMEOUT TimeoutReason means our + // timeout cut the command short; any other abort — an upstream cancel, or a + // foreign (outer) deadline's timeout under nesting — is aborted. Scoping to + // our own code keeps a nested outer deadline from reading as our timeout. + // Mutually exclusive by construction — the fused signal reports one cause. + const timedOut = timeoutOf(d.signal, 'BASH_TIMEOUT') !== undefined + const aborted = d.signal.aborted && !timedOut + return { ...outcome, timedOut, aborted, timeoutMs: spec.timeoutMs } } start(spec: BashExecSpec): BashTask { // No timeout for background tasks (matches Claude Code, which detaches // the timeout when backgrounding); callers stop tasks via kill() — or // via spec.signal, which the seam contract honors for background runs - // too (runBash wires it to the group kill). spec.timeoutMs is ignored - // here by design. + // too (runBash wires it to the group kill). No deadline is created here, + // so spec.timeoutMs is ignored by design — background tasks stay + // timeout-free (see the timeout-library RFC). const running = runBash({ command: spec.command, cwd: spec.workdir, - timeoutMs: 0, maxOutputBytes: this.config.maxOutputBytes, + graceMs: this.config.graceMs, signal: spec.signal, stdin: spec.stdin, env: spec.env, @@ -167,8 +193,10 @@ export class LocalBashExecutor extends BashExecutor { stdoutOffset: 0, stderrOffset: 0, done: running.done.then((outcome) => { - // Abort-killed tasks report as killed, not completed. - if (task.status === 'running') task.status = outcome.aborted ? 'killed' : 'completed' + // Abort-killed tasks report as killed, not completed. Background runs + // forward only the upstream signal (no timeout), so its aborted state + // is the authoritative "was this cancelled" signal. + if (task.status === 'running') task.status = spec.signal?.aborted === true ? 'killed' : 'completed' task.exitCode = outcome.exitCode task.signal = outcome.signal this.notifyTaskDone(task) @@ -188,6 +216,18 @@ export class LocalBashExecutor extends BashExecutor { return this.tasks.get(id) } + /** + * Full collected stderr of a tracked task from stream start (bounded by the + * in-memory cap; bytes only in the spill file are not re-read). A protected + * seam for subclasses that classify a settled task's outcome — reading here + * does NOT advance the consumer's {@link readOutput} cursor. An unknown id + * (a task already dropped by disposal) reads as empty. + */ + protected collectedStderr(id: BashTaskId): string { + const task = this.tasks.get(id) + return task === undefined ? '' : task.running.stderr.readFrom(0).text + } + ownerOf(id: BashTaskId): OwnerToken | undefined { // Unknown id and known-but-ownerless both read as undefined — the consumer // treats undefined as "open" and a truly unknown id fails at readOutput/kill. diff --git a/packages/bash/bash-local/src/run.ts b/packages/bash/bash-local/src/run.ts index 023ea0e3d1..bc4a017dea 100644 --- a/packages/bash/bash-local/src/run.ts +++ b/packages/bash/bash-local/src/run.ts @@ -6,6 +6,12 @@ * Everything here is deliberately free of Cordis concepts so it can be unit * tested in isolation; `LocalBashExecutor` owns lifecycle and configuration. * + * runBash owns NO timing: it kills the process group when its `spec.signal` + * fires and does not distinguish a timeout from a cancel. The executor fuses + * timeout + upstream cancellation into that one signal via + * `@deepseek-ai/dsh-timeout`'s `deadline`, and classifies the outcome from the + * signal afterward — the timing/classification half is shared, the kill is not. + * * Design notes (surveyed against Claude Code, OpenCode, Codex, and pi — see * the package README): spawn-per-call with `detached: true` so the child * leads its own process group; kills target the group (`kill(-pid)`) so @@ -56,6 +62,8 @@ export const SENSITIVE_ENV_PATTERN = /KEY|SECRET|TOKEN/i * by in-process plugins (the hooks bridges), not the model — `dsh-tool-bash` * builds its request from named fields only and does not forward model input * here (see its README, § "The tool builds its request from named args only"). + * @param extra - caller-supplied entries merged last; an explicit entry wins even against the scrub and the overrides. + * @returns the environment to hand to `spawn` for the child process. */ export function childEnv(extra?: Record<string, string>): NodeJS.ProcessEnv { const env: NodeJS.ProcessEnv = {} @@ -69,11 +77,17 @@ export function childEnv(extra?: Record<string, string>): NodeJS.ProcessEnv { export interface SpawnSpec { command: string cwd: string - /** Kill the process group after this many milliseconds. 0 = no timeout. */ - timeoutMs: number /** Per-stream in-memory cap; overflow spills to disk (tail kept in memory). */ maxOutputBytes: number - /** Abort signal — kills the process group when fired. */ + /** Grace period between the SIGTERM and the SIGKILL escalation on a kill. */ + graceMs: number + /** + * Abort signal — kills the process group when it fires. The executor owns + * timing: `run()` passes a fused timeout/cancel deadline signal (see + * `@deepseek-ai/dsh-timeout`), `start()` passes the bare upstream signal. + * runBash only listens and kills; it does NOT classify why (the executor + * reads the signal's reason afterward). + */ signal?: AbortSignal | undefined /** * Bytes to write to the child's stdin, then close it. Absent (or empty) @@ -90,25 +104,26 @@ export interface SpawnSpec { env?: Record<string, string> | undefined } -/** Raw outcome of one closed process (before result shaping). */ +/** + * Raw outcome of one closed process (before result shaping). Deliberately + * carries NO timeout/cancel classification: runBash kills on abort but does not + * decide why — the executor's `run()`/`start()` reads the deadline signal it + * owns to classify `timedOut`/`aborted` (see the package README). + */ export interface SpawnOutcome { exitCode: number | null signal: NodeJS.Signals | null - timedOut: boolean - aborted: boolean stdout: CollectedOutput stderr: CollectedOutput } -/** Injectable knobs so tests can exercise escalation/spill without long waits. */ +/** Injectable knobs so tests can exercise spill behavior without the OS tmpdir. */ export interface RunInternals { - /** Grace period between SIGTERM and SIGKILL on the process group. */ - graceMs?: number /** Directory for spill files (defaults to the OS temp dir). */ spillDir?: string } -/** Default SIGTERM→SIGKILL grace period (matches OpenCode's 3s). */ +/** Default SIGTERM→SIGKILL grace period (the `graceMs` config; matches OpenCode's 3s). */ export const DEFAULT_GRACE_MS = 3_000 let spillCounter = 0 @@ -147,6 +162,14 @@ export class OutputCollector { private readonly spillDir: string, ) {} + /** + * Ingest one stream chunk, counting it toward the whole-stream total. On + * first overflow of the in-memory cap a spill file is opened and every chunk + * (already-collected ones included) is appended there from then on; the + * in-memory tail then drops whole chunks from its head (or the head of a + * single over-cap chunk) until it fits the cap again. + * @param chunk - the raw bytes from one stream 'data' event. + */ push(chunk: Buffer): void { this.total += chunk.length const overflows = this.bytes + chunk.length > this.maxBytes @@ -190,7 +213,10 @@ export class OutputCollector { // the bottom of this file) and `totalBytes` is read only by a test. The live // background-poll path goes through `readFrom()`, so inline snapshot() into // finalize() and drop or privatize the totalBytes getter. - /** Read the collected tail without finalizing (the final-result snapshot). */ + /** + * Read the collected tail without finalizing (the final-result snapshot). + * @returns the retained tail text, the truncation flag, and the spill path when one was created. + */ snapshot(): CollectedOutput { return { text: Buffer.concat(this.chunks).toString('utf8'), @@ -209,6 +235,8 @@ export class OutputCollector { * pushed since `fromByte`. When `fromByte` has already slid out of the * in-memory tail window, the read is `lossy` — it returns the whole * retained tail and the gap is only recoverable from the spill file. + * @param fromByte - whole-stream offset to resume from (a prior read's `nextOffset`; 0 for the first read). + * @returns the delta text, the offset for the next read, the `lossy` flag, and the spill path when one was created. */ readFrom(fromByte: number): { text: string; nextOffset: number; lossy: boolean; spillPath?: string } { const windowStart = this.total - this.bytes @@ -223,7 +251,12 @@ export class OutputCollector { } } - /** Close the spill file (if any) and return the final output. */ + /** + * Close the spill file (if any) and return the final output. A failed close + * (delayed writeback fault) stops advertising the spill path — the file may + * be missing its tail — but still returns the in-memory result. + * @returns the final collected output: tail text, truncation flag, and the spill path when intact. + */ finalize(): CollectedOutput { if (this.spillFd !== undefined) { try { @@ -249,6 +282,8 @@ export class OutputCollector { * host process — a kill that cannot be delivered is reported by the process * NOT dying, which callers already handle via escalation/timeouts. No-op for * non-positive pids (spawn never started a process). + * @param pid - the group leader's pid; non-positive means the spawn failed and the call is a no-op. + * @param sig - the signal to deliver to the whole group. */ export function killGroup(pid: number, sig: NodeJS.Signals): void { if (pid <= 0) return @@ -290,9 +325,11 @@ export interface RunningBash { * exec sessions addressable via session ids + stdin writes. We deliberately * spawn a fresh non-login `bash -c` per call for determinism (no rc files, * no inherited shell state); revisit when real workflows demand it. + * @param spec - the fully-resolved run (command, cwd, limits); no defaulting happens here. + * @param internals - test-only knobs; omitted fields fall back to the private per-process spill dir. + * @returns the live handle: pid, the two live collectors, the outcome promise, and `kill()`. */ export function runBash(spec: SpawnSpec, internals: RunInternals = {}): RunningBash { - const graceMs = internals.graceMs ?? DEFAULT_GRACE_MS const spillDir = internals.spillDir ?? privateSpillDir() if (spec.signal?.aborted) { @@ -319,9 +356,6 @@ export function runBash(spec: SpawnSpec, internals: RunInternals = {}): RunningB child.stdout.on('data', (chunk: Buffer) => { stdout.push(chunk) }) child.stderr.on('data', (chunk: Buffer) => { stderr.push(chunk) }) - let timedOut = false - let aborted = false - let killTimer: NodeJS.Timeout | undefined let graceTimer: NodeJS.Timeout | undefined // pid is undefined when the spawn itself fails (bad cwd, missing binary); @@ -331,20 +365,15 @@ export function runBash(spec: SpawnSpec, internals: RunInternals = {}): RunningB const kill = (): void => { if (graceTimer !== undefined) return // escalation already in flight killGroup(pid, 'SIGTERM') - graceTimer = setTimeout(() => { killGroup(pid, 'SIGKILL') }, graceMs) + graceTimer = setTimeout(() => { killGroup(pid, 'SIGKILL') }, spec.graceMs) } - if (spec.timeoutMs > 0) { - killTimer = setTimeout(() => { - timedOut = true - kill() - }, spec.timeoutMs) - } - - const onAbort = (): void => { - aborted = true - kill() - } + // runBash owns no timer: the executor's `run()` fuses timeout+cancel into one + // deadline signal (`@deepseek-ai/dsh-timeout`) and passes it here; we only + // listen and run the SIGTERM→grace→SIGKILL kill. Whether the abort was a + // timeout or an upstream cancel is classified by the executor from that + // signal, not tracked here. + const onAbort = (): void => { kill() } spec.signal?.addEventListener('abort', onAbort, { once: true }) // Write stdin and close it, but ONLY when the caller supplied bytes — with no @@ -377,14 +406,11 @@ export function runBash(spec: SpawnSpec, internals: RunInternals = {}): RunningB resolve({ exitCode, signal, - timedOut, - aborted, stdout: stdout.finalize(), stderr: stderr.finalize(), }) }) function cleanup(): void { - if (killTimer !== undefined) clearTimeout(killTimer) if (graceTimer !== undefined) clearTimeout(graceTimer) spec.signal?.removeEventListener('abort', onAbort) } diff --git a/packages/bash/bash-local/tests/executor.spec.ts b/packages/bash/bash-local/tests/executor.spec.ts index cf6d1c267e..450ad7a81f 100644 --- a/packages/bash/bash-local/tests/executor.spec.ts +++ b/packages/bash/bash-local/tests/executor.spec.ts @@ -11,9 +11,10 @@ const spillDir = mkdtempSync(join(tmpdir(), 'dsh-bash-exec-spec-')) async function setup(config: ConstructorParameters<typeof LocalBashExecutor>[1] = {}) { const ctx = new Context() - await ctx.plugin(LocalBashExecutor, config) + // A short kill grace via the REAL config path, so escalation tests stay fast. + await ctx.plugin(LocalBashExecutor, { graceMs: 200, ...config }) const bash = ctx.bash as LocalBashExecutor - bash.internals = { spillDir, graceMs: 200 } + bash.internals = { spillDir } return { ctx, bash } } @@ -39,12 +40,14 @@ async function readUntil( ): Promise<BashTaskRead> { const deadline = Date.now() + timeoutMs let last: BashTaskRead | undefined + let delta = '' while (Date.now() < deadline) { last = bash.readOutput(id) - if (last.delta.includes(expected)) return last + delta += last.delta + if (delta.includes(expected)) return { ...last, delta } await new Promise(resolve => setTimeout(resolve, 20)) } - throw new Error(`task ${id} output did not include ${JSON.stringify(expected)}; last delta was ${JSON.stringify(last?.delta ?? '')}`) + throw new Error(`task ${id} output did not include ${JSON.stringify(expected)}; output was ${JSON.stringify(delta)}, last delta was ${JSON.stringify(last?.delta ?? '')}`) } describe('LocalBashExecutor.run', () => { @@ -80,16 +83,28 @@ describe('LocalBashExecutor.run', () => { await expect(setup({ timeoutMs: Number.NaN })).rejects.toThrow(/timeoutMs/) await expect(setup({ maxTimeoutMs: 0 })).rejects.toThrow(/maxTimeoutMs/) await expect(setup({ maxOutputBytes: -1 })).rejects.toThrow(/maxOutputBytes/) + await expect(setup({ graceMs: 0 })).rejects.toThrow(/graceMs/) const { bash } = await setup() expect(() => bash.resolve({ command: 'true', timeoutMs: Number.NaN })).toThrow(/request\.timeoutMs/) expect(() => bash.resolve({ command: 'true', timeoutMs: -1 })).toThrow(/request\.timeoutMs/) }) + it('kill escalation uses the configured graceMs (a TERM-trapping task dies by SIGKILL)', async () => { + const { bash } = await setup() // setup pins graceMs: 200 via config + const task = bash.start(bash.resolve({ command: 'trap \'\' TERM; echo ready; while :; do sleep 60 & wait $!; done' })) + await readUntil(bash, task.id, 'ready\n') + bash.kill(task.id) + await task.done + expect(task.signal).toBe('SIGKILL') + }) + it('per-call timeout takes precedence under the cap and kills on expiry', async () => { const { bash } = await setup({ timeoutMs: 60_000 }) const result = await bash.run(bash.resolve({ command: 'sleep 60', timeoutMs: 100 })) expect(result.timedOut).toBe(true) + // Mutually exclusive: a timeout classifies as timedOut, never also aborted. + expect(result.aborted).toBe(false) expect(result.timeoutMs).toBe(100) }) @@ -100,6 +115,20 @@ describe('LocalBashExecutor.run', () => { setTimeout(() => { controller.abort() }, 50) const result = await pending expect(result.aborted).toBe(true) + // Mutually exclusive: an upstream cancel classifies as aborted, never also timedOut. + expect(result.timedOut).toBe(false) + }) + + it('classifies a self-killed command as neither timed out nor aborted', async () => { + // The command kills itself (SIGTERM) with no timeout and no upstream abort: + // the deadline signal never fires, so both classifications are false — the + // fused-signal classification reports the cause that cut the command short, + // and here nothing the executor owns did. + const { bash } = await setup({ timeoutMs: 60_000 }) + const result = await bash.run(bash.resolve({ command: 'kill -TERM $$' })) + expect(result.signal).toBe('SIGTERM') + expect(result.timedOut).toBe(false) + expect(result.aborted).toBe(false) }) it('rejects on spawn failure (bad workdir)', async () => { @@ -271,9 +300,9 @@ describe('LocalBashExecutor background tasks', () => { it('disposing with already-finished tasks only kills the running ones', async () => { const ctx = new Context() - const fiber = await ctx.plugin(LocalBashExecutor, {}) + const fiber = await ctx.plugin(LocalBashExecutor, { graceMs: 200 }) const bash = ctx.bash as LocalBashExecutor - bash.internals = { spillDir, graceMs: 200 } + bash.internals = { spillDir } const finished = bash.start(bash.resolve({ command: 'true' })) await finished.done @@ -288,9 +317,9 @@ describe('LocalBashExecutor background tasks', () => { it('disposing the executor fiber kills running tasks (no orphans)', async () => { const ctx = new Context() - const fiber = await ctx.plugin(LocalBashExecutor, {}) + const fiber = await ctx.plugin(LocalBashExecutor, { graceMs: 200 }) const bash = ctx.bash as LocalBashExecutor - bash.internals = { spillDir, graceMs: 200 } + bash.internals = { spillDir } const listener = vi.fn() bash.onTaskDone(listener) @@ -337,9 +366,9 @@ describe('review fixes: lifecycle hardening', () => { it('dispose AWAITS a TERM-trapping process (SIGKILL escalation included)', async () => { const ctx = new Context() - const fiber = await ctx.plugin(LocalBashExecutor, {}) + const fiber = await ctx.plugin(LocalBashExecutor, { graceMs: 200 }) const bash = ctx.bash as LocalBashExecutor - bash.internals = { spillDir, graceMs: 200 } + bash.internals = { spillDir } const task = bash.start(bash.resolve({ command: 'trap \'\' TERM; sleep 60' })) await new Promise(resolve => setTimeout(resolve, 100)) diff --git a/packages/bash/bash-local/tests/run.spec.ts b/packages/bash/bash-local/tests/run.spec.ts index 3a1ff7c2c5..1d6e93afe3 100644 --- a/packages/bash/bash-local/tests/run.spec.ts +++ b/packages/bash/bash-local/tests/run.spec.ts @@ -26,8 +26,8 @@ function spec(command: string, overrides: Partial<Parameters<typeof runBash>[0]> return { command, cwd: process.cwd(), - timeoutMs: 0, maxOutputBytes: 64_000, + graceMs: 3_000, ...overrides, } } @@ -55,13 +55,25 @@ async function waitForStdout(running: RunningBash, expected: string, timeoutMs = throw new Error(`stdout did not include ${JSON.stringify(expected)} after ${timeoutMs}ms`) } +async function waitForPidFile(path: string, timeoutMs = 5_000): Promise<number> { + const deadline = Date.now() + timeoutMs + while (Date.now() < deadline) { + try { + const pid = Number(readFileSync(path, 'utf8').trim()) + if (Number.isSafeInteger(pid) && pid > 0) return pid + } catch { + // The child shell has not written the pid file yet. + } + await new Promise(resolve => setTimeout(resolve, 20)) + } + throw new Error(`pid file ${path} was not written after ${timeoutMs}ms`) +} + describe('runBash', () => { it('captures stdout on success', async () => { const result = await runBash(spec('echo hello')).done expect(result.exitCode).toBe(0) expect(result.signal).toBeNull() - expect(result.timedOut).toBe(false) - expect(result.aborted).toBe(false) expect(result.stdout.text).toBe('hello\n') expect(result.stdout.truncated).toBe(false) expect(result.stderr.text).toBe('') @@ -96,17 +108,22 @@ describe('runBash', () => { expect(result.stdout.text.trim()).toMatch(/\/tmp$/) }) - it('kills with SIGTERM on timeout', async () => { + it('kills the process group with SIGTERM when the signal fires', async () => { + // runBash owns no timer: it kills on abort. The executor drives the timeout + // by firing this signal via a deadline (see executor.spec.ts); here we + // assert the kill itself lands as SIGTERM. + const controller = new AbortController() const start = Date.now() - const result = await runBash(spec('sleep 60', { timeoutMs: 100 })).done + const running = runBash(spec('sleep 60', { signal: controller.signal })) + setTimeout(() => { controller.abort('deadline') }, 100) + const result = await running.done expect(Date.now() - start).toBeLessThan(5_000) - expect(result.timedOut).toBe(true) expect(result.signal).toBe('SIGTERM') expect(result.exitCode).toBeNull() }) it('escalates to SIGKILL when SIGTERM is trapped', async () => { - const running = runBash(spec('trap \'\' TERM; echo ready; sleep 60'), { graceMs: 200 }) + const running = runBash(spec('trap \'\' TERM; echo ready; while :; do sleep 60 & wait $!; done', { graceMs: 200 })) await waitForStdout(running, 'ready\n') running.kill() const result = await running.done @@ -118,8 +135,7 @@ describe('runBash', () => { // group must take the sleep down with bash. const pidFile = join(spillDir, `grandchild-${Date.now()}.pid`) const running = runBash(spec(`sleep 60 & echo $! > ${pidFile}; wait`)) - await new Promise(resolve => setTimeout(resolve, 300)) - const grandchild = Number(readFileSync(pidFile, 'utf8').trim()) + const grandchild = await waitForPidFile(pidFile) expect(grandchild).toBeGreaterThan(0) running.kill() @@ -133,7 +149,6 @@ describe('runBash', () => { const running = runBash(spec('sleep 60', { signal: controller.signal })) setTimeout(() => { controller.abort('user cancelled') }, 50) const result = await running.done - expect(result.aborted).toBe(true) expect(result.signal).toBe('SIGTERM') }) @@ -210,7 +225,6 @@ describe('stdin and extra env (set by in-process plugins)', () => { const big = 'x'.repeat(1024 * 1024) const result = await runBash(spec('exit 7', { stdin: big })).done expect(result.exitCode).toBe(7) - expect(result.aborted).toBe(false) }) }) @@ -338,11 +352,11 @@ describe('abort edge cases', () => { .toThrow(/aborted before spawn: aborted/) }) - it('reports an externally self-killed command without the timeout marker', async () => { + it('reports the terminating signal of an externally self-killed command', async () => { + // runBash reports the raw signal; whether it counts as timeout/cancel is the + // executor's classification (a self-kill is neither) — see executor.spec.ts. const result = await runBash(spec('kill -TERM $$')).done expect(result.signal).toBe('SIGTERM') - expect(result.timedOut).toBe(false) - expect(result.aborted).toBe(false) }) }) @@ -395,10 +409,9 @@ describe('review fixes: env scrubbing and spill hardening', () => { it('honors AbortSignal on background-style runs (no timeout)', async () => { const controller = new AbortController() - const running = runBash(spec('sleep 60', { timeoutMs: 0, signal: controller.signal })) + const running = runBash(spec('sleep 60', { signal: controller.signal })) setTimeout(() => { controller.abort() }, 50) const result = await running.done - expect(result.aborted).toBe(true) expect(result.signal).toBe('SIGTERM') }) }) diff --git a/packages/bash/bash-local/tsconfig.json b/packages/bash/bash-local/tsconfig.json index ae31546543..02448770f4 100644 --- a/packages/bash/bash-local/tsconfig.json +++ b/packages/bash/bash-local/tsconfig.json @@ -20,6 +20,9 @@ { "path": "../../util/brand" }, + { + "path": "../../util/timeout" + }, { "path": "../../bash/bash" } diff --git a/packages/bash/bash-sandbox/README.md b/packages/bash/bash-sandbox/README.md new file mode 100644 index 0000000000..2a5ae63b8e --- /dev/null +++ b/packages/bash/bash-sandbox/README.md @@ -0,0 +1,33 @@ +# @deepseek-ai/dsh-bash-sandbox + +Sandbox-consuming implementation of the [`@deepseek-ai/dsh-bash`](../bash/) executor seam. Load it **instead of** `@deepseek-ai/dsh-bash-local`, together with a [`ctx.sandbox`](../../sandbox/sandbox/) provider (e.g. [`@deepseek-ai/dsh-sandbox-local`](../../sandbox/sandbox-local/)) — the model-facing tool layer (`dsh-tool-bash`) is untouched; that swap is exactly what the seams exist for. + +Every command is confined by handing the provider the exact `['bash', '-c', command]` argv this executor is about to spawn and spawning the returned (wrapped) argv instead. WHICH platform runner confines it — and whether one is usable at all (fail closed with a structured `SANDBOX_UNAVAILABLE` error, never a silent unconfined run) — is the provider's concern; this package owns the bash side only. + +| Mode | File effects | +|---|---| +| `read-only` (default) | No writes anywhere (of `/dev`, only the `/dev/null` node is writable, so `>/dev/null` keeps working) | +| `workspace-write` | Writes only under `workspaceRoot` + `/tmp` (ephemeral under bwrap, the host `/tmp` under Landlock, `/private/tmp` plus the per-user temp dir under Seatbelt) | +| `danger-full-access` | No confinement; the provider is never consulted. Execution is `dsh-bash-local`'s verbatim — foreground results still carry `sandbox: { mode, denied: false }` (no `enforcement`: nothing was confined), background tasks carry no sandbox facts | + +Semantics: + +- **Denials are result facts.** A failed run whose stderr carries the selected backend's own denial dialect — the signatures the provider stamps on every wrap (EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt) — is reported as `BashRunResult.sandbox.denied: true` (conservative classification, read from the collected stderr tail); every CONFINED run also carries the mode it executed under (`result.sandbox.mode`) and the provider's enforcement completeness (`result.sandbox.enforcement`: `full`, or `partial` on an older Landlock ABI). +- **Runner failures are sandbox failures, never task failures.** A failed run matching the wrap's `runnerFailureSignatures` (the runner's own error prefix — also what the shell prints for a missing runner) means the sandbox itself broke and the command NEVER RAN; the check outranks denial classification because a runner's error text can contain denial words. The foreground path re-throws it as the structured fail-closed `SANDBOX_UNAVAILABLE` error, with the runner's first stderr line as the cause; a settled background task stamps `task.sandbox.runnerFailed` instead (no error channel remains after settle), which `bash_output` renders as its own marker. +- **Config-time default, per-call policy.** The DEFAULT mode is fixed by this entry's config for the executor's lifetime; `resolve()` stamps it onto every spec, and an explicit request-level `sandboxMode` override — set by the tool layer only for a call whose wider mode a human granted through `ctx.approval` ([the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)) — makes THAT call run, classify, and report under its own mode while every neighbor keeps the default (background facts are stamped per task at settle). The capability fact `ctx.bash.sandboxMode` reports the configured default so the tool layer advertises escalation only when this executor is mounted. The model learns of the sandbox only through result facts — the static bash tool description explains the denial marker; there is no current-mode statement in the system prompt. +- **File effects only.** Network and process visibility are deliberately not restricted — the mode vocabulary does not pretend to cover what the backend does not enforce. +- Process mechanics (spawn, process-group kills, output collection/spill, background tasks, credential scrub) are inherited verbatim from [`dsh-bash-local`](../bash-local/); the runner ladder, probes, and the per-platform Landlock launcher packages live with [`dsh-sandbox-local`](../../sandbox/sandbox-local/). + +Deny-only at the seam: a denial is a reported fact, and this executor never negotiates permissions itself — the approval question lives in the tool layer (`dsh-tool-bash`), which drives the override this package honors. + +```yaml +- id: sandbox + name: '@deepseek-ai/dsh-sandbox-local' +- id: bash + name: '@deepseek-ai/dsh-bash-sandbox' + config: + mode: read-only + workspaceRoot: !!js process.cwd() +``` + +The keyless consumer-integration proofs are `tests/bwrap.e2e.ts`, `tests/landlock.e2e.ts`, and `tests/seatbelt.e2e.ts` (the real provider + real runner driven through `ctx.bash`, world-verified, each self-skipping where its runner is absent); see [`examples/sandbox-acp-agent`](../../../examples/sandbox-acp-agent/) for the runnable demo. diff --git a/packages/bash/bash-sandbox/package.json b/packages/bash/bash-sandbox/package.json new file mode 100644 index 0000000000..0077511946 --- /dev/null +++ b/packages/bash/bash-sandbox/package.json @@ -0,0 +1,41 @@ +{ + "name": "@deepseek-ai/dsh-bash-sandbox", + "description": "Sandbox-consuming implementation of the DeepSeek Harness bash executor seam (confines every command via ctx.sandbox, reports denial/enforcement result facts)", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-bash": "^0.0.1", + "@deepseek-ai/dsh-bash-local": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-bash": "workspace:^", + "@deepseek-ai/dsh-bash-local": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", + "@deepseek-ai/dsh-sandbox-local": "workspace:^", + "node-addon-landlock-run": "0.0.0-test.0", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/bash/bash-sandbox/src/index.ts b/packages/bash/bash-sandbox/src/index.ts new file mode 100644 index 0000000000..090d06b2fe --- /dev/null +++ b/packages/bash/bash-sandbox/src/index.ts @@ -0,0 +1,302 @@ +/** + * `SandboxBashExecutor`: the sandbox-consuming implementation of the + * `@deepseek-ai/dsh-bash` executor seam. Every spawned command is wrapped by + * the `ctx.sandbox` provider (`@deepseek-ai/dsh-sandbox`) according to the + * configured {@link SandboxMode}: the executor hands the provider the exact + * `['bash', '-c', command]` argv it is about to spawn and spawns the wrapped + * argv instead. WHICH platform runner confines it — and whether one is + * usable at all (the provider fails CLOSED with a structured + * `SANDBOX_UNAVAILABLE` error rather than passing the argv through) — is the + * provider's concern (`@deepseek-ai/dsh-sandbox-local` first). + * + * Extends `LocalBashExecutor` so all process mechanics — spawn, process-group + * kills, timeout escalation, output collection and spill files, background + * tasks, the credential scrub — are the local implementation's, verbatim. + * This package adds only the seam consumption and the result facts, which is + * exactly the split the capability seam was designed for (a sandboxing + * executor replaces `dsh-bash-local` without touching `dsh-tool-bash`, and + * swapping the confinement backend never touches this package). + * + * A failed run whose stderr carries the selected backend's own denial + * dialect (the signatures the provider stamps on every wrap) is classified + * as a sandbox denial on `BashRunResult.sandbox`, and every confined result + * also carries how completely the selected runner enforces the mode + * (`sandbox.enforcement`, from the provider's wrap). A failure carrying the + * backend's RUNNER-FAILURE signature instead means the sandbox itself broke + * and the command never ran: the foreground path re-throws it as the + * structured fail-closed `SANDBOX_UNAVAILABLE` error (late twin of the + * provider's confine-time throw), a settled background task stamps + * `sandbox.runnerFailed` — either way a broken sandbox can never read as a + * failing command, and the command never slips through unconfined. + * + * Deny-only at the seam, escalation at the tool: a denial is a reported FACT + * here, and the one-shot user-approved escalated retry of a denied action + * (docs/rfc/implemented/feature/2026-07-06-sandbox.md) is driven by + * `dsh-tool-bash` through `ctx.approval` — this executor's contribution is the + * per-call `sandboxMode` override it honors in {@link resolve}: an escalated + * call runs (and classifies, and reports) under ITS granted mode while every + * neighboring call keeps its session's standing mode (or the configured + * default when that session has no override). + * + * @module @deepseek-ai/dsh-bash-sandbox + */ + +import { resolve } from 'node:path' +import { Context } from 'cordis' +import z from 'schemastery' +import type { BashExecRequest, BashExecSpec, BashRunResult, BashTask, BashTaskId } from '@deepseek-ai/dsh-bash' +import { SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' +import type { ConfinedSandboxMode, SandboxEnforcement, SandboxMode } from '@deepseek-ai/dsh-sandbox' +import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' +import type { Config as LocalConfig } from '@deepseek-ai/dsh-bash-local' + +/** + * Plugin config: the local executor's knobs plus the sandbox policy. All + * optional — `static Config` supplies the defaults (`mode: 'read-only'` is the + * fail-safe default; an example that wants a workspace-writable agent opts in + * explicitly). The runner choice is NOT configured here: which platform + * backend confines the command is the `ctx.sandbox` provider's config. + */ +export interface Config extends LocalConfig { + /** File-sandbox mode commands run under (default: `read-only`). */ + mode?: SandboxMode + /** + * Root directory `workspace-write` mode may write under (default: the + * executor's default working directory — `cwd`, else `process.cwd()`). + */ + workspaceRoot?: string +} + +/** + * Quote one string as a single-quoted POSIX shell word (embedded single + * quotes become `'\''`), so a wrapped argv element survives the outer + * `bash -c` re-parse byte-for-byte. + * @param text - the raw argv element to quote. + * @returns the single-quoted shell word. + */ +export function shellQuote(text: string): string { + return `'${text.replaceAll("'", String.raw`'\''`)}'` +} + +/** + * Conservative sandbox-denial classifier: a run counts as denied only when it + * FAILED (nonzero exit — a signal kill is not a denial) and its stderr + * carries one of the SELECTED BACKEND's own denial signatures — the dialect + * the provider stamps on every wrap (`ConfinedArgv.denialSignatures`: + * `Read-only file system` under bwrap's EROFS mounts, `Permission denied` + * under Landlock's EACCES, `Operation not permitted` under Seatbelt's + * EPERM). Matching the backend's dialect rather than a cross-backend union + * keeps the classifier from claiming denials the active backend never + * produces (bare EPERM text under a Linux runner names non-file boundaries — + * mount, kill, ptrace — that fail the same way unsandboxed). Text inference + * is the fallback signal until a runner provides a structured one (which + * wins once it exists); it errs toward NOT claiming a denial, and its known + * residual imprecision is non-sandbox text in the active dialect (an ssh + * auth failure reads as a denial under Landlock, a refused `kill` under + * Seatbelt). + * @param result - the settled foreground run to classify. + * @param signatures - the active wrap's denial dialect, case-insensitive + * stderr substrings. + * @returns whether the run's failure reads as a sandbox denial. + */ +export function classifyDenial(result: BashRunResult, signatures: readonly string[]): boolean { + return matchesSignature(result.exitCode, result.stderr.text, signatures) +} + +/** + * Runner-failure classifier: a failed run whose stderr carries the SELECTED + * BACKEND's own runner-failure signature (`ConfinedArgv. + * runnerFailureSignatures`: the runner's error prefix, which also matches + * the shell's runner-not-found message) means the SANDBOX itself failed and + * the command never ran. Checked BEFORE {@link classifyDenial} — a runner's + * error text can contain denial words (an unopenable grant root reports + * `Permission denied`) — and surfaced as the fail-closed + * `SANDBOX_UNAVAILABLE` error on the foreground path, `sandbox.runnerFailed` + * on a settled background task. Same conservative-text-inference stance and + * residual imprecision as the denial classifier (a failing task that itself + * prints the runner's prefix reads as a runner failure). + * @param result - the settled foreground run to classify. + * @param signatures - the active wrap's runner-failure signatures, + * case-insensitive stderr substrings. + * @returns whether the run's failure reads as the runner itself failing. + */ +export function classifyRunnerFailure(result: BashRunResult, signatures: readonly string[]): boolean { + return matchesSignature(result.exitCode, result.stderr.text, signatures) +} + +/** + * The classifier core shared by foreground results and settled background + * tasks: failed AND signature present. Lowercases BOTH sides — the seam + * declares its signatures case-insensitive, and producers compose them from + * runtime data of any case (an `argv0` path, `No such file or directory`). + */ +function matchesSignature(exitCode: number | null, stderr: string, signatures: readonly string[]): boolean { + if (exitCode === null || exitCode === 0) return false + const lowered = stderr.toLowerCase() + return signatures.some(signature => lowered.includes(signature.toLowerCase())) +} + +/** + * Sandbox-consuming bash executor. Registers as `ctx.bash` (loading it + * INSTEAD OF `dsh-bash-local`, together with a `ctx.sandbox` provider, is + * the whole swap — the tool layer is untouched). Its configured mode is the + * fallback exposed by {@link sandboxMode}; `dsh-tool-bash` folds a session's + * durable `bash/sandbox-mode` override and stamps the effective mode onto each + * request, while an approved escalation may stamp a strictly wider mode for + * one call. The tool's per-agent prompt section states that same effective + * mode, and each run's `result.sandbox` reports what actually executed plus + * enforcement completeness. + */ +export class SandboxBashExecutor extends LocalBashExecutor { + static inject = ['sandbox'] + + // The sandbox-specific fields intersect the local executor's Config as an + // inline schema call: the config catalog walks `static Config` statically. + static override Config: z<Config> = z.intersect([ + LocalBashExecutor.Config, + z.object({ + mode: z.union(['read-only', 'workspace-write', 'danger-full-access'] as const).default('read-only'), + workspaceRoot: z.string(), + }), + ]) + + private readonly mode: SandboxMode + private readonly workspaceRoot: string + /** + * Per-task facts, keyed by task id from `start()` until the settle stamp + * consumes them: the mode the task runs under (per-call — an escalated task + * differs from its neighbors) plus its wrap facts. The seam returns facts + * PER WRAP — a provider may legally vary enforcement or dialect between + * calls — so overlapping background tasks must each classify against their + * OWN wrap; a single latest-wrap field would let a later `start()` clobber + * an earlier task's facts before it settles. A `danger-full-access` task + * has NO entry (nothing confined it), which is what the settle stamp keys + * off. + */ + private readonly taskFacts = new Map<BashTaskId, { + mode: ConfinedSandboxMode + enforcement: SandboxEnforcement + denialSignatures: readonly string[] + runnerFailureSignatures: readonly string[] + }>() + + constructor(ctx: Context, config: Config) { + super(ctx, config) + // schemastery (static Config) already filled the defaulted fields — the + // cast records that runtime fact (mirrors LocalBashExecutor's config + // cast). `workspaceRoot` and `cwd` have NO schema default, so their + // fallback chain is real branching. + this.mode = config.mode as SandboxMode + this.workspaceRoot = resolve(config.workspaceRoot ?? config.cwd ?? process.cwd()) + } + + /** The configured default mode — the capability fact the tool layer reads. */ + override get sandboxMode(): SandboxMode { + return this.mode + } + + /** + * Stamp the effective mode onto the spec — the request's explicit override + * (an approved escalation), else this executor's configured default — so + * defaulting stays an explicit resolve step and `run()`/`start()` read the + * spec, never the config. + */ + override resolve(request: BashExecRequest): BashExecSpec { + return { ...super.resolve(request), sandboxMode: request.sandboxMode ?? this.mode } + } + + override async run(spec: BashExecSpec): Promise<BashRunResult> { + // resolve() always stamps the mode; the cast records that invariant + // (mirrors the constructor's config casts). + const mode = spec.sandboxMode as SandboxMode + if (mode === 'danger-full-access') { + const result = await super.run(spec) + return { ...result, sandbox: { mode, denied: false } } + } + const confined = this.confine(spec.command, mode) + const result = await super.run({ ...spec, command: confined.command }) + // Runner failure outranks denial: the sandbox itself failed and the + // command NEVER RAN — surface the same structured fail-closed error a + // confine-time discovery throws (late detection, same outcome), with + // the runner's own first stderr line as the cause. Returning it as a + // task result would let a broken sandbox read as a failing command. + if (classifyRunnerFailure(result, confined.runnerFailureSignatures)) { + throw new SandboxUnavailableError(mode, result.stderr.text.trim().split('\n')[0]) + } + return { ...result, sandbox: { mode, denied: classifyDenial(result, confined.denialSignatures), enforcement: confined.enforcement } } + } + + override start(spec: BashExecSpec): BashTask { + // Same stamped-by-resolve invariant as run(). + const mode = spec.sandboxMode as SandboxMode + if (mode === 'danger-full-access') return super.start(spec) + // Sandbox facts are stamped at settle time by {@link notifyTaskDone} + // (denial classification runs against the settled task's collected + // stderr). The map entry lands synchronously after spawn, strictly + // before the earliest possible settle (a process exit reaches us no + // sooner than the next tick). + const confined = this.confine(spec.command, mode) + const task = super.start({ ...spec, command: confined.command }) + const { enforcement, denialSignatures, runnerFailureSignatures } = confined + this.taskFacts.set(task.id, { mode, enforcement, denialSignatures, runnerFailureSignatures }) + return task + } + + /** + * Stamp the sandbox facts BEFORE completion listeners run: the base + * executor notifies from inside the task's settle path, so overriding the + * notification point is what makes `task.sandbox` visible to `onTaskDone` + * consumers and `done` awaiters alike. Each task classifies against the + * facts of ITS OWN wrap and reports ITS OWN mode (consumed from the + * per-task map here — settle is the entry's end of life): with per-call + * escalation, tasks under different modes settle side by side, so keying + * anything off the configured default would misreport them. A + * `danger-full-access` task has no map entry and carries no facts (nothing + * confined it); a signal-killed task (null exit code) is never a denial, + * mirroring the foreground classifier. + */ + protected override notifyTaskDone(task: BashTask): void { + const facts = this.taskFacts.get(task.id) + if (facts !== undefined) { + this.taskFacts.delete(task.id) + const stderr = this.collectedStderr(task.id) + // Runner failure outranks denial (the command never ran; the runner's + // own error text can contain denial words). A settled task has no + // error channel left, so the fact IS the surface here — the foreground + // path throws instead. + const runnerFailed = matchesSignature(task.exitCode, stderr, facts.runnerFailureSignatures) + task.sandbox = { + mode: facts.mode, + denied: !runnerFailed && matchesSignature(task.exitCode, stderr, facts.denialSignatures), + enforcement: facts.enforcement, + ...(runnerFailed ? { runnerFailed } : {}), + } + } + super.notifyTaskDone(task) + } + + /** + * Wrap one shell command via the `ctx.sandbox` provider: hand over the + * exact `['bash', '-c', command]` argv this executor would spawn, get back + * the confined argv, and re-assemble it into the `exec …` command string + * the inherited spawn path runs (the outer `bash -c` that `runBash` spawns + * `exec`s into the runner, so no extra shell lingers). Provider errors + * (fail-closed `SANDBOX_UNAVAILABLE`) propagate to the caller unchanged. + */ + private confine(command: string, mode: ConfinedSandboxMode): { + command: string + enforcement: SandboxEnforcement + denialSignatures: readonly string[] + runnerFailureSignatures: readonly string[] + } { + const confined = this.ctx.sandbox.confine(['bash', '-c', command], { mode, workspaceRoot: this.workspaceRoot }) + return { + command: `exec ${confined.argv.map(shellQuote).join(' ')}`, + enforcement: confined.enforcement, + denialSignatures: confined.denialSignatures, + runnerFailureSignatures: confined.runnerFailureSignatures, + } + } +} + +export default SandboxBashExecutor diff --git a/packages/bash/bash-sandbox/tests/bwrap.e2e.ts b/packages/bash/bash-sandbox/tests/bwrap.e2e.ts new file mode 100644 index 0000000000..6a748bc389 --- /dev/null +++ b/packages/bash/bash-sandbox/tests/bwrap.e2e.ts @@ -0,0 +1,101 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { bwrapProfileArgs, LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' +import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' + +/** + * KEYLESS consumer-integration proof under bwrap: the REAL + * `LocalSandboxProvider` (nothing forced — bwrap is the ladder's first rung, + * so a passing probe selects it) underneath the REAL `SandboxBashExecutor`, + * driven through the executor's public run/start paths. Verifies the WORLD + * (files exist or don't) plus the stamped result facts — in particular that + * bwrap's EROFS denial text classifies as `denied: true` through the + * wrap-carried dialect; the backend-only confinement proofs live with + * `@deepseek-ai/dsh-sandbox-local`. + * + * Self-skips wherever the functional probe fails — no `bwrap` on PATH, or a + * host that denies unprivileged user namespaces. + * + * HOME-based dirs on purpose: bwrap's `/tmp` is an ephemeral mount, so only + * paths outside it prove the workspace-root boundary. + */ + +const probe = spawnSync('bwrap', [...bwrapProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { timeout: 5_000, stdio: 'ignore' }) +const bwrapUsable = probe.status === 0 + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise<string> { + const dir = await mkdtemp(join(base, 'dsh-bwrap-e2e-')) + tempDirs.push(dir) + return dir +} + +async function sandboxedBash(workspace: string, mode: 'read-only' | 'workspace-write'): Promise<SandboxBashExecutor> { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + await ctx.plugin(SandboxBashExecutor, { mode, cwd: workspace, workspaceRoot: workspace, timeoutMs: 30_000 }) + return ctx.bash as SandboxBashExecutor +} + +describe.skipIf(!bwrapUsable)('bash-sandbox: real bwrap confinement through ctx.bash', () => { + it('read-only denies a write — the file must NOT exist, and EROFS text classifies as a denial', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const result = await bash.run(bash.resolve({ command: `echo hi > ${workdir}/denied.txt` })) + expect(result.exitCode).not.toBe(0) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'workspace-write') + + const inside = await bash.run(bash.resolve({ command: `printf bwrap-ok > ${workdir}/allowed.txt` })) + expect(inside.exitCode).toBe(0) + expect(inside.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('bwrap-ok') + + const denied = await bash.run(bash.resolve({ command: `echo hi > ${outside}/denied.txt` })) + expect(denied.exitCode).not.toBe(0) + expect(denied.sandbox).toEqual({ mode: 'workspace-write', denied: true, enforcement: 'full' }) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('classifies a background denial once the task settles', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const task = bash.start(bash.resolve({ command: `echo hi > ${workdir}/bg-denied.txt` })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'bg-denied.txt'))).toBe(false) + }) + + it('an approved escalated retry — the spec-level workspace-write override — lands the exact write read-only denied', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const command = `printf escalated > ${workdir}/escalated.txt` + const strict = await bash.run(bash.resolve({ command })) + expect(strict.exitCode).not.toBe(0) + expect(strict.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'escalated.txt'))).toBe(false) + const retried = await bash.run(bash.resolve({ command, sandboxMode: 'workspace-write' })) + expect(retried.exitCode).toBe(0) + expect(retried.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(readFileSync(join(workdir, 'escalated.txt'), 'utf8')).toBe('escalated') + }) +}) diff --git a/packages/bash/bash-sandbox/tests/landlock.e2e.ts b/packages/bash/bash-sandbox/tests/landlock.e2e.ts new file mode 100644 index 0000000000..8263dad6fe --- /dev/null +++ b/packages/bash/bash-sandbox/tests/landlock.e2e.ts @@ -0,0 +1,100 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir, tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { launcherPath } from 'node-addon-landlock-run' +import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' +import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' + +/** + * KEYLESS consumer-integration proof: the REAL `LocalSandboxProvider` (bwrap + * rung forced off, so the npm-distributed `landlock-run` confines) underneath the + * REAL `SandboxBashExecutor`, driven through the executor's public run/start + * paths. Verifies the WORLD (files exist or don't) plus the stamped result + * facts; the backend-only confinement proofs live with + * `@deepseek-ai/dsh-sandbox-local`. + * + * Self-skips when the running kernel does not enforce Landlock; the + * launcher binary itself arrives with `pnpm install` (`node-addon-landlock-run`). + */ + +const probe = spawnSync(launcherPath(), ['--probe'], { timeout: 5_000, encoding: 'utf8' }) +const landlockUsable = probe.status === 0 +/** The kernel's enforcement level from the probe report — stamped facts below must match it. */ +const enforcement = /partially enforced/.test(probe.stdout ?? '') ? 'partial' : 'full' + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise<string> { + const dir = await mkdtemp(join(base, 'dsh-landlock-e2e-')) + tempDirs.push(dir) + return dir +} + +async function sandboxedBash(workspace: string, mode: 'read-only' | 'workspace-write'): Promise<SandboxBashExecutor> { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + ;(ctx.sandbox as LocalSandboxProvider).internals = { probeBwrap: () => false } + await ctx.plugin(SandboxBashExecutor, { mode, cwd: workspace, workspaceRoot: workspace, timeoutMs: 30_000 }) + return ctx.bash as SandboxBashExecutor +} + +describe.skipIf(!landlockUsable)('bash-sandbox: real Landlock confinement through ctx.bash', () => { + it('read-only denies a write — the file must NOT exist, the result carries denial + enforcement facts', async () => { + const workdir = await tempDir(tmpdir()) + const bash = await sandboxedBash(workdir, 'read-only') + const result = await bash.run(bash.resolve({ command: `echo hi > ${workdir}/denied.txt` })) + expect(result.exitCode).not.toBe(0) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement }) + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'workspace-write') + + const inside = await bash.run(bash.resolve({ command: `printf landlock-ok > ${workdir}/allowed.txt` })) + expect(inside.exitCode).toBe(0) + expect(inside.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement }) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('landlock-ok') + + const denied = await bash.run(bash.resolve({ command: `echo hi > ${outside}/denied.txt` })) + expect(denied.exitCode).not.toBe(0) + expect(denied.sandbox).toEqual({ mode: 'workspace-write', denied: true, enforcement }) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('classifies a background denial once the task settles', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const task = bash.start(bash.resolve({ command: `echo hi > ${workdir}/bg-denied.txt` })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement }) + expect(existsSync(join(workdir, 'bg-denied.txt'))).toBe(false) + }) + + it('an approved escalated retry — the spec-level workspace-write override — lands the exact write read-only denied', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const command = `printf escalated > ${workdir}/escalated.txt` + const strict = await bash.run(bash.resolve({ command })) + expect(strict.exitCode).not.toBe(0) + expect(strict.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: enforcement }) + expect(existsSync(join(workdir, 'escalated.txt'))).toBe(false) + const retried = await bash.run(bash.resolve({ command, sandboxMode: 'workspace-write' })) + expect(retried.exitCode).toBe(0) + expect(retried.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: enforcement }) + expect(readFileSync(join(workdir, 'escalated.txt'), 'utf8')).toBe('escalated') + }) +}) diff --git a/packages/bash/bash-sandbox/tests/sandbox.spec.ts b/packages/bash/bash-sandbox/tests/sandbox.spec.ts new file mode 100644 index 0000000000..4f92ba38f0 --- /dev/null +++ b/packages/bash/bash-sandbox/tests/sandbox.spec.ts @@ -0,0 +1,327 @@ +/** + * SandboxBashExecutor tests: the CONSUMER side of the sandbox seam. A fake + * `ctx.sandbox` provider (injected as a real cordis service) makes wrapping, + * policy hand-off, fail-closed propagation, classification, and fact + * stamping all deterministic without any real runner; the real-provider + * integration proof lives in `tests/landlock.e2e.ts`. Denials are produced + * with plain unix permissions (a 0555 directory), which exercises the same + * stderr signature the classifier keys on. + */ + +import { chmodSync, mkdirSync, mkdtempSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { join, resolve } from 'node:path' +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import type { BashRunResult, CollectedOutput } from '@deepseek-ai/dsh-bash' +import { SANDBOX_UNAVAILABLE, SandboxProvider, SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' +import type { ConfinedArgv, SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { classifyDenial, classifyRunnerFailure, SandboxBashExecutor, shellQuote } from '@deepseek-ai/dsh-bash-sandbox' +import type { Config } from '@deepseek-ai/dsh-bash-sandbox' + +const spillDir = mkdtempSync(join(tmpdir(), 'dsh-bash-sandbox-spec-')) + +/** One recorded provider call: the argv handed over and the policy it rode with. */ +interface ConfineCall { + argv: string[] + policy: SandboxPolicy +} + +/** The Linux file-denial dialects the fake wraps carry — matches the unix-permission denials the tests below produce. */ +const UNIX_SIGNATURES = ['read-only file system', 'permission denied'] as const + +/** The runner-failure prefix the fake wraps carry (a fake-runner: error line marks the sandbox itself failing). */ +const RUNNER_FAILURE = ['fake-runner: '] as const + +/** A passthrough wrap: the caller's argv unchanged, asserted full — commands run unconfined, deterministically. */ +const passthrough = (argv: readonly string[]): ConfinedArgv => + ({ argv: [...argv], enforcement: 'full', denialSignatures: UNIX_SIGNATURES, runnerFailureSignatures: RUNNER_FAILURE }) + +/** + * Boot a context with a recording fake `ctx.sandbox` (behavior injectable + * per test) and the executor under test on top of it. + */ +async function setup(config: Config = {}, behavior: (argv: readonly string[], policy: SandboxPolicy) => ConfinedArgv = passthrough) { + const calls: ConfineCall[] = [] + class FakeSandboxProvider extends SandboxProvider { + confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv { + calls.push({ argv: [...argv], policy }) + return behavior(argv, policy) + } + } + const ctx = new Context() + await ctx.plugin(FakeSandboxProvider) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200, ...config }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + return { ctx, bash, calls } +} + +function output(text: string): CollectedOutput { + return { text, truncated: false } +} + +function runResult(exitCode: number | null, stderr: string): BashRunResult { + return { exitCode, signal: null, timedOut: false, aborted: false, timeoutMs: 1000, stdout: output(''), stderr: output(stderr) } +} + +describe('the provider hand-off', () => { + it('hands the provider the exact bash argv and the per-call policy, and runs the returned argv', async () => { + const { bash, calls } = await setup() + const result = await bash.run(bash.resolve({ command: 'echo \'a b\' "c\'d"' })) + expect(result.stdout.text).toBe('a b c\'d\n') + expect(result.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + expect(calls).toEqual([{ + argv: ['bash', '-c', 'echo \'a b\' "c\'d"'], + policy: { mode: 'read-only', workspaceRoot: resolve(process.cwd()) }, + }]) + }) + + it('a wrapped argv from the provider is what actually spawns (prefix survives, quoting round-trips)', async () => { + // The fake wraps with `env MARKER=...` — a real (if tiny) runner prefix: + // the sentinel only prints if the executor spawned the WRAPPED argv. + const { bash } = await setup({}, argv => ({ argv: ['env', 'DSH_WRAP=1', ...argv], enforcement: 'full', denialSignatures: UNIX_SIGNATURES, runnerFailureSignatures: RUNNER_FAILURE })) + const result = await bash.run(bash.resolve({ command: 'printf "%s" "$DSH_WRAP"' })) + expect(result.stdout.text).toBe('1') + expect(result.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + }) + + it('workspace-write rides the policy, workspaceRoot falling back to cwd when not configured', async () => { + const { bash, calls } = await setup({ mode: 'workspace-write', cwd: tmpdir() }) + const result = await bash.run(bash.resolve({ command: 'true' })) + expect(result.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(calls[0]?.policy).toEqual({ mode: 'workspace-write', workspaceRoot: resolve(tmpdir()) }) + }) + + it('an explicit workspaceRoot wins over cwd', async () => { + const { calls, bash } = await setup({ mode: 'workspace-write', workspaceRoot: '/ws', cwd: tmpdir() }) + await bash.run(bash.resolve({ command: 'true' })) + expect(calls[0]?.policy.workspaceRoot).toBe(resolve('/ws')) + }) + + it('the provider is consulted per wrap (no caching in the consumer): run and start each hand off', async () => { + const { bash, calls } = await setup() + await bash.run(bash.resolve({ command: 'true' })) + const task = bash.start(bash.resolve({ command: 'true' })) + await task.done + expect(calls).toHaveLength(2) + }) + + it('shellQuote survives embedded single quotes (the argv re-assembly primitive)', () => { + expect(shellQuote('a\'b')).toBe(String.raw`'a'\''b'`) + }) +}) + +describe('fail closed', () => { + it('propagates the provider\'s structured SANDBOX_UNAVAILABLE on run() and start()', async () => { + const { bash } = await setup({}, () => { throw new SandboxUnavailableError('read-only') }) + const spec = bash.resolve({ command: 'echo hi' }) + await expect(bash.run(spec)).rejects.toMatchObject({ name: 'SandboxUnavailableError', code: SANDBOX_UNAVAILABLE }) + expect(() => bash.start(spec)).toThrow(SandboxUnavailableError) + }) +}) + +describe('danger-full-access', () => { + it('runs unwrapped: the provider is never consulted, facts carry no enforcement', async () => { + const { bash, calls } = await setup({ mode: 'danger-full-access' }) + const result = await bash.run(bash.resolve({ command: 'echo free' })) + expect(result.stdout.text).toBe('free\n') + expect(result.sandbox).toEqual({ mode: 'danger-full-access', denied: false }) + expect(calls).toHaveLength(0) + }) + + it('start() passes through unwrapped and stamps nothing at settle', async () => { + const { bash, calls } = await setup({ mode: 'danger-full-access' }) + const task = bash.start(bash.resolve({ command: 'echo free-bg' })) + await task.done + expect(task.sandbox).toBeUndefined() + expect(bash.readOutput(task.id).delta).toContain('free-bg') + expect(calls).toHaveLength(0) + }) +}) + +describe('per-call sandboxMode override (the escalation mechanism)', () => { + it('exposes the configured default as the capability fact, and resolve() stamps it', async () => { + const { bash } = await setup() + expect(bash.sandboxMode).toBe('read-only') + expect(bash.resolve({ command: 'true' }).sandboxMode).toBe('read-only') + }) + + it('an explicit override outranks the default at resolve(), and the wrap policy follows it', async () => { + const { bash, calls } = await setup() + expect(bash.resolve({ command: 'true', sandboxMode: 'workspace-write' }).sandboxMode).toBe('workspace-write') + await bash.run(bash.resolve({ command: 'true', sandboxMode: 'workspace-write' })) + await bash.run(bash.resolve({ command: 'true' })) + expect(calls.map(call => call.policy.mode)).toEqual(['workspace-write', 'read-only']) + }) + + it('an escalated run reports the mode it ACTUALLY ran under', async () => { + const { bash } = await setup() + const result = await bash.run(bash.resolve({ command: 'true', sandboxMode: 'workspace-write' })) + expect(result.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + }) + + it('escalating to danger-full-access bypasses the provider entirely — the grant, not a probe, is the authority there', async () => { + const { bash, calls } = await setup() + const result = await bash.run(bash.resolve({ command: 'echo free', sandboxMode: 'danger-full-access' })) + expect(result.stdout.text).toBe('free\n') + expect(result.sandbox).toEqual({ mode: 'danger-full-access', denied: false }) + expect(calls).toHaveLength(0) + }) + + it('overlapping background tasks settle with their OWN modes (an escalated task next to a default one)', async () => { + // With per-call policy, tasks under different modes are in flight at + // once — anything keyed off the configured default would misreport the + // escalated one at its settle stamp. + const { bash } = await setup() + const escalated = bash.start(bash.resolve({ command: 'sleep 0.3; echo "x: Permission denied" >&2; exit 1', sandboxMode: 'workspace-write' })) + const plain = bash.start(bash.resolve({ command: 'true' })) + await plain.done + await escalated.done + expect(escalated.sandbox).toEqual({ mode: 'workspace-write', denied: true, enforcement: 'full' }) + expect(plain.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + }) + + it('an escalated danger-full-access background task carries no facts (nothing confined it)', async () => { + const { bash, calls } = await setup() + const task = bash.start(bash.resolve({ command: 'echo bg-free', sandboxMode: 'danger-full-access' })) + await task.done + expect(task.sandbox).toBeUndefined() + expect(bash.readOutput(task.id).delta).toContain('bg-free') + expect(calls).toHaveLength(0) + }) +}) + +describe('classifyDenial', () => { + it('never classifies a clean exit or a signal kill as a denial', () => { + expect(classifyDenial(runResult(0, 'Permission denied'), UNIX_SIGNATURES)).toBe(false) + expect(classifyDenial(runResult(null, 'Permission denied'), UNIX_SIGNATURES)).toBe(false) + }) + + it('classifies failed runs by the wrap\'s own dialect, conservatively', () => { + expect(classifyDenial(runResult(1, 'touch: cannot touch /x: Read-only file system'), UNIX_SIGNATURES)).toBe(true) + expect(classifyDenial(runResult(1, 'sh: /x: Permission denied'), UNIX_SIGNATURES)).toBe(true) + // Bare EPERM is not a Linux runner's dialect: mount/kill/ptrace fail with + // it unsandboxed too, and the mode vocabulary governs file effects only — + // claiming a file denial here would tell the model the sandbox blocked + // something it never governed. + expect(classifyDenial(runResult(1, 'mount: Operation not permitted'), UNIX_SIGNATURES)).toBe(false) + expect(classifyDenial(runResult(1, 'No such file or directory'), UNIX_SIGNATURES)).toBe(false) + }) + + it('matches exactly the active backend\'s dialect: EPERM classifies under Seatbelt, EACCES does not under bwrap', () => { + // The same stderr flips meaning with the backend: under Seatbelt, EPERM + // text IS how the kernel refuses a governed file write; under bwrap's + // EROFS-only dialect, `Permission denied` is ordinary DAC, not the + // sandbox — per-wrap signatures are what keep both classifications honest. + expect(classifyDenial(runResult(1, 'bash: /etc/x: Operation not permitted'), ['operation not permitted'])).toBe(true) + expect(classifyDenial(runResult(1, 'sh: /x: Permission denied'), ['read-only file system'])).toBe(false) + }) +}) + +describe('classifyRunnerFailure', () => { + it('matches the dialect case-insensitively on BOTH sides — the seam declares it so, and producers compose signatures from runtime data (an argv0 path, the shell\'s `No such file or directory`)', () => { + const signatures = ['exec: /Opt/Runners/bwrap: not found', '/Opt/Runners/bwrap: No such file or directory'] + expect(classifyRunnerFailure(runResult(127, 'bash: /Opt/Runners/bwrap: No such file or directory'), signatures)).toBe(true) + expect(classifyRunnerFailure(runResult(127, 'BASH: LINE 1: EXEC: /OPT/RUNNERS/BWRAP: NOT FOUND'), signatures)).toBe(true) + }) +}) + +describe('result facts', () => { + it('reports a real permission failure as a sandbox denial with the mode it ran under', async () => { + const { bash } = await setup() + const lockedDir = join(mkdtempSync(join(tmpdir(), 'dsh-sandbox-denied-')), 'locked') + mkdirSync(lockedDir) + chmodSync(lockedDir, 0o555) + const result = await bash.run(bash.resolve({ command: `echo x > ${lockedDir}/f` })) + expect(result.exitCode).not.toBe(0) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + }) + + it('carries the provider\'s partial-enforcement fact through unchanged', async () => { + const { bash } = await setup({}, argv => ({ argv: [...argv], enforcement: 'partial', denialSignatures: UNIX_SIGNATURES, runnerFailureSignatures: RUNNER_FAILURE })) + const result = await bash.run(bash.resolve({ command: 'true' })) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'partial' }) + }) +}) + +describe('background sandbox facts', () => { + it('stamps a settled denial: nonzero exit + permission stderr under a confined mode', async () => { + const { bash } = await setup() + const task = bash.start(bash.resolve({ command: 'echo "x: Permission denied" >&2; exit 1' })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + }) + + it('a foreground runner failure throws the fail-closed error, never a task result', async () => { + // The wrap's runner prefix on a failed run means the SANDBOX broke and + // the command never ran — the late twin of the confine-time throw, with + // the runner's own first stderr line carried as the cause. + const { bash } = await setup() + const run = bash.run(bash.resolve({ command: 'echo "fake-runner: ruleset rejected" >&2; exit 125' })) + await expect(run).rejects.toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + await expect(run).rejects.toThrow('fake-runner: ruleset rejected') + }) + + it('a foreground runner failure outranks denial: runner error text may contain denial words', async () => { + const { bash } = await setup() + await expect(bash.run(bash.resolve({ command: 'echo "fake-runner: cannot open rule path: /x: Permission denied" >&2; exit 125' }))) + .rejects.toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) + + it('a settled background runner failure stamps runnerFailed (no error channel remains), not denied', async () => { + const { bash } = await setup() + const task = bash.start(bash.resolve({ command: 'echo "fake-runner: cannot open rule path: /x: Permission denied" >&2; exit 125' })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full', runnerFailed: true }) + }) + + it('completion listeners already see the stamped facts (stamp precedes notify)', async () => { + const { ctx, bash } = await setup({}, argv => ({ argv: [...argv], enforcement: 'partial', denialSignatures: UNIX_SIGNATURES, runnerFailureSignatures: RUNNER_FAILURE })) + const seen: unknown[] = [] + ctx.bash.onTaskDone((task) => { seen.push(task.sandbox) }) + const task = bash.start(bash.resolve({ command: 'echo "x: Permission denied" >&2; exit 1' })) + await task.done + expect(seen).toEqual([{ mode: 'read-only', denied: true, enforcement: 'partial' }]) + }) + + it('overlapping background tasks keep their OWN wrap facts (per-task, not latest-wrap)', async () => { + // The seam returns facts PER WRAP — a legal provider may vary them + // between calls. The slow task settles AFTER the quick one started, so a + // latest-wrap field would classify its denial against the quick task's + // dialect (missing it) and stamp the wrong enforcement. + const wraps: Array<Pick<ConfinedArgv, 'enforcement' | 'denialSignatures'>> = [ + { enforcement: 'partial', denialSignatures: ['permission denied'] }, + { enforcement: 'full', denialSignatures: ['read-only file system'] }, + ] + let call = 0 + const { bash } = await setup({}, (argv) => { + const wrap = wraps[Math.min(call++, wraps.length - 1)] as Pick<ConfinedArgv, 'enforcement' | 'denialSignatures'> + return { argv: [...argv], ...wrap, runnerFailureSignatures: RUNNER_FAILURE } + }) + const slow = bash.start(bash.resolve({ command: 'sleep 0.4; echo "x: Permission denied" >&2; exit 1' })) + const quick = bash.start(bash.resolve({ command: 'true' })) + await quick.done + await slow.done + expect(slow.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'partial' }) + expect(quick.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + }) + + it('a signal-killed task is never a denial (null exit code)', async () => { + const { bash } = await setup() + const task = bash.start(bash.resolve({ command: 'echo "Permission denied" >&2; sleep 30' })) + // Let the stderr land before the kill so the classifier sees the + // signature and must still refuse it on the null exit code alone. + await vi.waitFor(() => { expect(bash.readOutput(task.id).delta).toContain('Permission denied') }) + bash.kill(task.id) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full' }) + }) + + it('disposal kills wrapped background tasks (inherited HMR safety)', async () => { + const { ctx, bash } = await setup() + const task = bash.start(bash.resolve({ command: 'sleep 30' })) + await ctx.fiber.dispose() + expect(task.status).toBe('killed') + }) +}) diff --git a/packages/bash/bash-sandbox/tests/seatbelt.e2e.ts b/packages/bash/bash-sandbox/tests/seatbelt.e2e.ts new file mode 100644 index 0000000000..8ae25a8d39 --- /dev/null +++ b/packages/bash/bash-sandbox/tests/seatbelt.e2e.ts @@ -0,0 +1,101 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { LocalSandboxProvider, seatbeltProfileArgs } from '@deepseek-ai/dsh-sandbox-local' +import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' + +/** + * KEYLESS consumer-integration proof on macOS: the REAL `LocalSandboxProvider` + * (Linux rungs forced off, so `sandbox-exec`/Seatbelt confines) underneath + * the REAL `SandboxBashExecutor`, driven through the executor's public + * run/start paths. Verifies the WORLD (files exist or don't) plus the + * stamped result facts — in particular that Seatbelt's EPERM denial text + * classifies as `denied: true` through the wrap-carried dialect; the + * backend-only confinement proofs live with `@deepseek-ai/dsh-sandbox-local`. + * + * Self-skips wherever the functional probe fails — every non-macOS host, or + * a macOS whose `sandbox-exec` refuses the profile. + */ + +const probe = spawnSync('sandbox-exec', [...seatbeltProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { timeout: 5_000, stdio: 'ignore' }) +const seatbeltUsable = probe.status === 0 + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise<string> { + const dir = await mkdtemp(join(base, 'dsh-seatbelt-e2e-')) + tempDirs.push(dir) + return dir +} + +async function sandboxedBash(workspace: string, mode: 'read-only' | 'workspace-write'): Promise<SandboxBashExecutor> { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + ;(ctx.sandbox as LocalSandboxProvider).internals = { probeBwrap: () => false, probeLandlock: () => 'unusable' } + await ctx.plugin(SandboxBashExecutor, { mode, cwd: workspace, workspaceRoot: workspace, timeoutMs: 30_000 }) + return ctx.bash as SandboxBashExecutor +} + +describe.skipIf(!seatbeltUsable)('bash-sandbox: real Seatbelt confinement through ctx.bash', () => { + it('read-only denies a write — the file must NOT exist, and EPERM text classifies as a denial', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const result = await bash.run(bash.resolve({ command: `echo hi > ${workdir}/denied.txt` })) + expect(result.exitCode).not.toBe(0) + expect(result.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + // HOME-based dirs on purpose: workspace-write grants /tmp and the + // per-user temp dir wholesale, so only paths outside both prove the + // workspace-root boundary. + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'workspace-write') + + const inside = await bash.run(bash.resolve({ command: `printf seatbelt-ok > ${workdir}/allowed.txt` })) + expect(inside.exitCode).toBe(0) + expect(inside.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('seatbelt-ok') + + const denied = await bash.run(bash.resolve({ command: `echo hi > ${outside}/denied.txt` })) + expect(denied.exitCode).not.toBe(0) + expect(denied.sandbox).toEqual({ mode: 'workspace-write', denied: true, enforcement: 'full' }) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('classifies a background denial once the task settles', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const task = bash.start(bash.resolve({ command: `echo hi > ${workdir}/bg-denied.txt` })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'bg-denied.txt'))).toBe(false) + }) + + it('an approved escalated retry — the spec-level workspace-write override — lands the exact write read-only denied', async () => { + const workdir = await tempDir(homedir()) + const bash = await sandboxedBash(workdir, 'read-only') + const command = `printf escalated > ${workdir}/escalated.txt` + const strict = await bash.run(bash.resolve({ command })) + expect(strict.exitCode).not.toBe(0) + expect(strict.sandbox).toEqual({ mode: 'read-only', denied: true, enforcement: 'full' }) + expect(existsSync(join(workdir, 'escalated.txt'))).toBe(false) + const retried = await bash.run(bash.resolve({ command, sandboxMode: 'workspace-write' })) + expect(retried.exitCode).toBe(0) + expect(retried.sandbox).toEqual({ mode: 'workspace-write', denied: false, enforcement: 'full' }) + expect(readFileSync(join(workdir, 'escalated.txt'), 'utf8')).toBe('escalated') + }) +}) diff --git a/packages/bash/bash-sandbox/tsconfig.json b/packages/bash/bash-sandbox/tsconfig.json new file mode 100644 index 0000000000..6dad98d54f --- /dev/null +++ b/packages/bash/bash-sandbox/tsconfig.json @@ -0,0 +1,36 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../util/brand" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../sandbox/sandbox" + }, + { + "path": "../../bash/bash" + }, + { + "path": "../../bash/bash-local" + } + ] +} diff --git a/packages/bash/bash/README.md b/packages/bash/bash/README.md index 39318ae371..ac7e00c3a3 100644 --- a/packages/bash/bash/README.md +++ b/packages/bash/bash/README.md @@ -2,15 +2,16 @@ The **bash executor seam**: an abstract `BashExecutor` service (`ctx.bash`) defining WHAT a bash backend does — run commands, manage background tasks — without saying HOW. -This package is one third of the bash capability, split so each concern can evolve (and be swapped) independently: +This package is the interface quarter of the bash capability, split so each concern can evolve (and be swapped) independently: | Package | Role | |---|---| | `@deepseek-ai/dsh-bash` (this) | the interface: abstract service + vocabulary types | | `@deepseek-ai/dsh-bash-local` | an implementation: local subprocesses | +| `@deepseek-ai/dsh-bash-sandbox` | an implementation: `dsh-bash-local`'s mechanics with every spawn confined via [`ctx.sandbox`](../../sandbox/sandbox/), denials reported as result facts | | `@deepseek-ai/dsh-tool-bash` | the model-facing tool schemas over `ctx.bash` | -The split mirrors the LLM seam (`LlmService`/`LlmAdapter`) and the agent-tool survey: pi hides execution behind a `BashOperations` interface (local shell / SSH / VM backends), Codex behind an exec-server protocol. A future sandboxed, containerized, or remote executor implements this interface and the tool schemas don't change. +The split mirrors the LLM seam (`LlmService`/`LlmAdapter`) and the agent-tool survey: pi hides execution behind a `BashOperations` interface (local shell / SSH / VM backends), Codex behind an exec-server protocol. `dsh-bash-sandbox` is exactly that swap in action — a sandboxing executor behind the same interface, tool schemas untouched; a containerized or remote executor slots in the same way. ## Service API (`ctx.bash`) @@ -19,6 +20,7 @@ The split mirrors the LLM seam (`LlmService`/`LlmAdapter`) and the agent-tool su | `run(spec)` | Foreground execution. Resolves when the command finishes. **Rejects only for infrastructure failures** (unusable workdir, missing shell, pre-aborted signal); nonzero exits, timeout kills, and abort kills resolve with a descriptive `BashRunResult`. | | `start(spec)` | Background execution. Returns a `BashTask` handle immediately; **no timeout applies** (stop tasks via `kill`). | | `get(id)` / `list()` | Task lookup. | +| `sandboxMode` | The capability fact for the tool layer: the default mode a SANDBOXING executor confines under (`undefined` in the base class — "this executor does not sandbox"). `dsh-tool-bash` reads it at registration to advertise the escalation fields only when the composition honors them. | | `ownerOf(id)` | The opaque OWNER token recorded for a background task at `start` (from the spec's `owner`), or `undefined` for an unknown id OR a known-but-ownerless task. The executor stores/returns it verbatim and NEVER interprets it — the access POLICY lives in the consumer (`dsh-tool-bash`), which compares `ownerOf(id)` to the caller's token. Storing ownership here (disposed with the executor's fiber) is what makes it survive a consumer HMR reload. | | `readOutput(id)` | **Incremental** output read — consecutive reads never re-deliver. Reads that lost data to buffer bounds flag `lossy` and point at full-stream spill files. Throws for unknown ids. | | `kill(id)` | Kill a running task. Returns `false` when it already finished; throws for unknown ids. | @@ -28,6 +30,8 @@ Implementations subclass `BashExecutor`, implement the abstract methods, and cal ## Vocabulary -`BashExecRequest` (command, workdir?, timeoutMs?, signal?, stdin?, env?, owner?) resolves to `BashExecSpec` (command, workdir, timeoutMs, signal?, stdin?, env?, owner) before execution; `owner` is optional on the request and **required-but-nullable** (`OwnerToken | undefined`) on the resolved spec, so a forgotten owner is a visible `undefined` rather than a silently-absent property. The task id (`BashTaskId`) and the `owner` token (`OwnerToken`) are [branded](../../util/brand) — `OwnerToken` is a DISTINCT brand from `SessionId` (the seam never imports `dsh-session`; the `dsh-tool-bash` consumer is the single boundary that casts its `SessionId` into one). `run()` returns `BashRunResult` (exitCode, signal, timedOut, aborted, timeoutMs, stdout/stderr as `CollectedOutput`) and `start()`/`readOutput()` use `BashTask`/`BashTaskRead` for the background side. See `src/types.ts` for the full contracts. +`BashExecRequest` (command, workdir?, timeoutMs?, signal?, stdin?, env?, owner?, sandboxMode?) resolves to `BashExecSpec` (command, workdir, timeoutMs, signal?, stdin?, env?, owner, sandboxMode) before execution; `owner` and `sandboxMode` are optional on the request and **required-but-nullable** on the resolved spec, so a forgotten one is a visible `undefined` rather than a silently-absent property. `sandboxMode` is the explicit per-call sandbox-policy input: an escalation grant a human just issued ([the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md), which outranks) or the session's standing override ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)); a sandboxing executor's `resolve()` stamps its configured default when the request carries none, and a non-sandboxing executor carries the field verbatim and confines nothing. + +The seam also owns the per-session mode override vocabulary (the sandbox RFC § Per-session mode switching): the log-only `'bash/sandbox-mode'` session event, the pure fold `effectiveSandboxMode(events)` (last event wins; `undefined` means "apply the executor default"), and THE write path `setSandboxMode(session, mode)` — the session log is the store, so an override survives restart by replay and two sessions can never see each other's mode. Writers must respect turn-enclosure: the ACP bridge anchors an idle switch at the next turn rather than appending between turns. The task id (`BashTaskId`) and the `owner` token (`OwnerToken`) are [branded](../../util/brand) — `OwnerToken` is a DISTINCT brand from `SessionId` (the seam never imports `dsh-session`; the `dsh-tool-bash` consumer is the single boundary that casts its `SessionId` into one). `run()` returns `BashRunResult` (exitCode, signal, timedOut, aborted, timeoutMs, stdout/stderr as `CollectedOutput`) and `start()`/`readOutput()` use `BashTask`/`BashTaskRead` for the background side. A sandboxing executor additionally stamps `sandbox` result facts on results and settled tasks (`BashSandboxInfo`: the mode it executed under, the conservative `denied` classification, and — for confined modes — the backend's `enforcement` completeness); the mode/enforcement vocabulary is owned by the [`dsh-sandbox`](../../sandbox/sandbox/) seam, and the facts are documented in [core-data-structures/bash.md](../../../docs/core-data-structures/bash.md). See `src/types.ts` for the full contracts. `stdin` and `env` are set by in-process plugins (the hooks bridges, native plugins) to feed a hook command its JSON payload on stdin and its `CLAUDE_PROJECT_DIR`/`CLAUDE_PLUGIN_ROOT` env. The model-facing `dsh-tool-bash` tool does not expose them as parameters — a model already has equivalent power through shell syntax (`FOO=bar cmd`, a heredoc), so they would be redundant tool params. This is not a security boundary: the implementation's credential scrub (not these fields) is what keeps the harness's ambient secrets out of a spawned command. They are plain optionals on the resolved spec (unlike `owner`'s required-but-nullable): a missing one means "none", the safe default. See [the bash-stdin-env RFC](../../../docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md). diff --git a/packages/bash/bash/package.json b/packages/bash/bash/package.json index f1bc43c2b4..bfa71d73e3 100644 --- a/packages/bash/bash/package.json +++ b/packages/bash/bash/package.json @@ -23,10 +23,14 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-brand": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "devDependencies": { "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/bash/bash/src/index.ts b/packages/bash/bash/src/index.ts index b629f10e4d..63c5757175 100644 --- a/packages/bash/bash/src/index.ts +++ b/packages/bash/bash/src/index.ts @@ -15,13 +15,16 @@ */ import { Context, Service } from 'cordis' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' import type { BashExecRequest, BashExecSpec, BashRunResult, BashTask, BashTaskId, BashTaskListener, BashTaskRead, OwnerToken } from './types.ts' export { BashTaskId, OwnerToken } from './types.ts' +export { SANDBOX_MODES, effectiveSandboxMode, setSandboxMode } from './session-mode.ts' export type { BashExecRequest, BashExecSpec, BashRunResult, + BashSandboxInfo, BashTask, BashTaskListener, BashTaskRead, @@ -70,6 +73,22 @@ export abstract class BashExecutor extends Service { }, 'bash listener teardown') } + /** + * The sandbox mode this executor confines commands under BY DEFAULT, or + * `undefined` when it does not sandbox at all — the capability fact the + * tool and ACP layers read to advertise sandbox controls honestly. The + * getter proves a sandboxing executor is mounted and supplies its fallback + * mode; a session override may make the effective mode narrower or wider, + * so strict escalation widening is checked per call rather than encoded in + * this default-relative capability fact. The base class reports + * `undefined`; a sandboxing implementation overrides the getter. + * @returns the configured default mode of a sandboxing executor; + * `undefined` for an executor that never confines. + */ + get sandboxMode(): SandboxMode | undefined { + return undefined + } + /** * Resolve a caller's {@link BashExecRequest} into a fully-specified * {@link BashExecSpec}, applying this implementation's config defaults and diff --git a/packages/bash/bash/src/session-mode.ts b/packages/bash/bash/src/session-mode.ts new file mode 100644 index 0000000000..03ad6e3d7c --- /dev/null +++ b/packages/bash/bash/src/session-mode.ts @@ -0,0 +1,65 @@ +/** + * Per-session sandbox-mode override: the session log as the store. A runtime + * switch (an ACP `session/set_config_option`, a test scenario) is recorded as + * one `bash/sandbox-mode` event on the session it applies to; + * `effective = fold(events) ?? the executor's configured default`, so an + * override survives restart by replay, two sessions can never see each + * other's state, and there is no external config store. The event is + * log-only (the `approval/*` precedent): the model learns the mode from the + * prompt section and the boundary notices in `@deepseek-ai/dsh-tool-bash`, + * never from the event itself. EXECUTION honors the fold in the tool layer — + * it stamps the effective mode onto each call's `BashExecRequest.sandboxMode` + * (weakest-precedence: an escalation grant for the call outranks it) — the + * executor itself stays a config-fixed default plus per-call overrides. + * + * @module dsh-bash/session-mode + */ + +import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' + +declare module '@deepseek-ai/dsh-session' { + interface SessionEventMap { + /** + * The session's sandbox mode was switched — log-only (like `approval/*`; + * NOT a surface event, carries no `surfaceOp`): durable and replayable, + * never in the model transcript. The LAST such event is the session's + * override ({@link effectiveSandboxMode}); who asked for it is derivable + * from position (an event after the log's last `request/header*` was a + * runtime switch by the user; see the tool layer's narrator). + */ + 'bash/sandbox-mode': { mode: SandboxMode } + } +} + +/** Every {@link SandboxMode}, for option advertisement and runtime validation of untrusted mode strings. */ +export const SANDBOX_MODES: readonly SandboxMode[] = ['read-only', 'workspace-write', 'danger-full-access'] + +/** + * The session's sandbox-mode override: the last `bash/sandbox-mode` event in + * the log, or undefined when the session never switched (callers apply the + * executor's configured default). The pure fold — resume needs no catch-up + * machinery because replaying the log IS the state. + * @param events - session events in log order (other event types are skipped). + * @returns the mode of the last switch event, or undefined without one. + */ +export function effectiveSandboxMode(events: readonly SessionEvent[]): SandboxMode | undefined { + for (let index = events.length - 1; index >= 0; index -= 1) { + const event = events[index] as SessionEvent + if (event.type === 'bash/sandbox-mode') return event.data.mode + } + return undefined +} + +/** + * THE write path for a session's sandbox-mode override: appends exactly one + * `bash/sandbox-mode` event — the switch IS its event; nothing mutates mode + * state out of band. Takes effect on the session's next bash call and next + * prompt assembly (the consumers fold on every read). + * @param session - the session the override belongs to. + * @param mode - the mode every subsequent bash call in this session runs + * under (until the next switch). + */ +export function setSandboxMode(session: Session, mode: SandboxMode): void { + session.append('bash/sandbox-mode', { mode }) +} diff --git a/packages/bash/bash/src/types.ts b/packages/bash/bash/src/types.ts index 9acd5c7cb7..39dbc162c6 100644 --- a/packages/bash/bash/src/types.ts +++ b/packages/bash/bash/src/types.ts @@ -7,11 +7,16 @@ */ import type { Branded } from '@deepseek-ai/dsh-brand' +import type { SandboxEnforcement, SandboxMode } from '@deepseek-ai/dsh-sandbox' /** Identifies one background task within an executor (generated `bash-N`). */ export type BashTaskId = Branded<'BashTaskId'> -/** Brand a string as a {@link BashTaskId}. */ +/** + * Brand a string as a {@link BashTaskId}. + * @param id - the raw task-id string (the executor generates `bash-N`). + * @returns the same string, branded; no validation is performed. + */ export function BashTaskId(id: string): BashTaskId { return id as BashTaskId } @@ -26,11 +31,58 @@ export function BashTaskId(id: string): BashTaskId { */ export type OwnerToken = Branded<'OwnerToken'> -/** Brand a string as an {@link OwnerToken}. */ +/** + * Brand a string as an {@link OwnerToken}. Only the consuming boundary + * (`dsh-tool-bash`) should cast its own id vocabulary in — see the type's doc. + * @param id - the consumer's raw owner identity (the tool layer passes the owning agent's session id). + * @returns the same string, branded; no validation is performed. + */ export function OwnerToken(id: string): OwnerToken { return id as OwnerToken } +/** + * Sandbox facts for one foreground run — present on {@link BashRunResult} iff + * a sandboxing executor ran the command (an unsandboxed executor reports no + * `sandbox` field at all). Reported independently of `exitCode`/`signal` + * (orthogonal outcomes), so a caller can tell "the command failed on its own" + * from "the sandbox blocked a file operation". The mode/enforcement + * vocabulary lives on the `@deepseek-ai/dsh-sandbox` seam; this shape is the + * bash seam's result-fact carrier for it. + */ +export interface BashSandboxInfo { + /** The mode the command actually ran under. */ + mode: SandboxMode + /** + * True when the executor classifies this run's failure as the sandbox + * denying a file operation. The classification is CONSERVATIVE (a failed + * exit whose stderr carries a filesystem-permission signature) and reads + * the COLLECTED stderr — the bounded in-memory tail per + * {@link CollectedOutput} semantics, so a signature that survives only in a + * spill file is missed toward `denied: false`. A plain command failure + * keeps `denied: false` even under a sandboxed mode. + */ + denied: boolean + /** + * How completely the runner enforced `mode`'s file effects — see + * {@link SandboxEnforcement}. Absent exactly when `mode` is + * `danger-full-access`: nothing is confined, so there is no enforcement to + * report. + */ + enforcement?: SandboxEnforcement + /** + * True when the executor classifies this failure as the SANDBOX RUNNER + * itself failing (missing binary, refused profile, fail-closed refusal + * before exec) — the command NEVER RAN; this is a sandbox failure, not a + * task failure, and it outranks `denied` (a runner's own error text can + * contain denial words). Only ever stamped on settled BACKGROUND tasks: a + * foreground run surfaces the same condition as the thrown + * `SANDBOX_UNAVAILABLE` error instead (the foreground path has an error + * channel; a settled task's facts are its only channel). + */ + runnerFailed?: boolean +} + /** * A caller's execution REQUEST: `workdir` and `timeoutMs` are optional and * filled by {@link BashExecutor.resolve} from the implementation's config. @@ -72,6 +124,20 @@ export interface BashExecRequest { * ownerless background start (a non-agent caller). */ owner?: OwnerToken | undefined + /** + * Explicit per-call sandbox-policy input, overriding the executor's + * configured default mode for THIS call. Never a silent default: a + * consumer sets it only from an explicit policy source — an + * `'allowed-once'` grant a human just issued through `ctx.approval` (the + * escalation flow in the sandbox RFC § Escalation, which outranks), or the + * session's standing override folded from its own `bash/sandbox-mode` + * events (the sandbox RFC § Per-session mode switching — the user's recorded per-session + * choice). A sandboxing executor confines THIS call under the given mode; + * a non-sandboxing executor carries the field and confines nothing (the + * tool layer stamps neither escalation nor overrides without a sandboxing + * executor — see {@link BashExecutor.sandboxMode}). + */ + sandboxMode?: SandboxMode | undefined } /** @@ -113,6 +179,16 @@ export interface BashExecSpec { * task. `start()` stores it; `run()` (foreground) ignores it. */ owner: OwnerToken | undefined + /** + * The sandbox mode this call executes under, REQUIRED-but-nullable for the + * same visibility reason as `owner`. A sandboxing executor's `resolve()` + * stamps the effective mode (the request's explicit override, else its + * configured default) so `run()`/`start()` read the spec, never the config; + * a non-sandboxing executor carries the request value through verbatim and + * ignores it (`undefined` under such an executor means what its README says: + * unconfined execution). + */ + sandboxMode: SandboxMode | undefined } /** One captured stream: the (possibly truncated) text plus recovery info. */ @@ -139,6 +215,12 @@ export interface BashRunResult { timeoutMs: number stdout: CollectedOutput stderr: CollectedOutput + /** + * Sandbox facts, present iff a sandboxing executor ran the command — an + * unsandboxed executor (e.g. `dsh-bash-local`) never sets it. See + * {@link BashSandboxInfo} for the `denied` classification semantics. + */ + sandbox?: BashSandboxInfo } /** Lifecycle of a background task. */ @@ -155,6 +237,16 @@ export interface BashTask { signal: NodeJS.Signals | null /** Resolves when the underlying process closes (never rejects). */ readonly done: Promise<void> + /** + * Sandbox facts for this task's execution, stamped by a sandboxing executor + * once the task settles and BEFORE completion listeners are notified — an + * `onTaskDone` consumer and a `done` awaiter both see it. Denial + * classification runs against the settled task's collected stderr, so the + * field cannot exist earlier: absent while the task is running and under an + * executor that does not sandbox. See {@link BashSandboxInfo} for the + * `denied` semantics. + */ + sandbox?: BashSandboxInfo } /** One incremental {@link BashExecutor.readOutput} read. */ diff --git a/packages/bash/bash/tests/service.spec.ts b/packages/bash/bash/tests/service.spec.ts index 81530843ed..94d299f175 100644 --- a/packages/bash/bash/tests/service.spec.ts +++ b/packages/bash/bash/tests/service.spec.ts @@ -15,6 +15,7 @@ class StubExecutor extends BashExecutor { timeoutMs: request.timeoutMs ?? 1000, ...request.signal ? { signal: request.signal } : {}, owner: request.owner, + sandboxMode: request.sandboxMode, } } @@ -96,6 +97,11 @@ describe('BashExecutor service seam', () => { expect(result.exitCode).toBe(0) }) + it('reports no default sandbox mode (composition truth: the base never confines)', async () => { + const { bash } = await setup() + expect(bash.sandboxMode).toBeUndefined() + }) + it('onTaskDone delivers completions to registered listeners', async () => { const { bash } = await setup() const seen: string[] = [] diff --git a/packages/bash/bash/tsconfig.json b/packages/bash/bash/tsconfig.json index 342f636170..13d297a292 100644 --- a/packages/bash/bash/tsconfig.json +++ b/packages/bash/bash/tsconfig.json @@ -16,6 +16,12 @@ }, { "path": "../../util/brand" + }, + { + "path": "../../sandbox/sandbox" + }, + { + "path": "../../core/session" } ] } diff --git a/packages/bash/tool-bash/README.md b/packages/bash/tool-bash/README.md index 436e3f034a..800de0132c 100644 --- a/packages/bash/tool-bash/README.md +++ b/packages/bash/tool-bash/README.md @@ -2,7 +2,9 @@ The model-facing bash tools — `bash`, `bash_output`, `bash_kill` — registered over the `ctx.bash` executor seam (`@deepseek-ai/dsh-bash`). Pure schema + text shaping; every process concern lives behind the seam, so sandboxed or remote executor implementations swap in without changing what the model sees. -Requires a loaded executor implementation (e.g. `@deepseek-ai/dsh-bash-local`); the plugin stays pending until `ctx.bash` exists (`inject: ['tools', 'bash']`). +Requires a loaded executor implementation (e.g. `@deepseek-ai/dsh-bash-local`); the plugin stays pending until `ctx.bash` exists (`inject: ['tools', 'bash', 'systemPrompt']`). + +The plugin also contributes the `tool:bash` prompt section (order 105) — the cross-call habit the per-tool descriptions cannot carry: check the `[exit code: N]` marker on every result and investigate failures before moving on. Under a sandboxing executor it additionally contributes the per-agent `env:bash-sandbox` section (order 110) stating each session's EFFECTIVE mode, and the pre-step narrator — see [Per-session mode](#per-session-mode-switching-and-visibility). ## Tools @@ -15,14 +17,16 @@ Requires a loaded executor implementation (e.g. `@deepseek-ai/dsh-bash-local`); | `timeoutMs` | number | Timeout override in milliseconds. The executor applies its configured default and cap. | | `workdir` | string | Working directory for this call. Defaults to the calling agent's session cwd (`session.header.cwd`) so each session runs in its own workspace; a relative `workdir` is resolved against that session cwd. | | `run_in_background` | boolean | Return a task id immediately; no timeout applies. | +| `sandbox_permissions` | string enum | ADVERTISED ONLY when the mounted executor sandboxes (`ctx.bash.sandboxMode` reports a confining default): the wider mode a denied command needs, from the closed target vocabulary `workspace-write`/`danger-full-access` (never cut down to the executor's default — the effective mode is per-session; strict widening is checked at execution against it, and a non-widening request fails without prompting anyone). | +| `justification` | string | Required together with `sandbox_permissions` (each without the other is a validation error): one sentence for the user explaining why this exact command needs the wider access. | `command`, `workdir`, and `timeoutMs` are resolved against the executor's config defaults via `ctx.bash.resolve()` before execution, so the executor seam (`BashExecSpec`) receives explicit `workdir`/`timeoutMs` values. The workdir default is applied in the tool layer (from the calling agent's `session.header.cwd`) BEFORE `resolve()` — the per-session cwd must come from `exec.agent`, since N sessions share one executor; only when no session cwd is available does the executor fall back to its own config / `process.cwd()`. -Result text: stdout, then a `[stderr]` section, then status markers — `[timed out after Nms]` whenever the executor's timer fired (reported independently of how the process ended, so a command that traps SIGTERM and exits 0 still shows it), `[killed by signal: …]` for a signal death, `[exit code: N]` for a non-zero exit (reported, **not** `isError`: the model decides how to react), and `[output truncated; full output: <path>]` when the tail was kept and a safe spill file is available. If the executor knows output was dropped but cannot safely advertise a complete spill file, the path is reported as `(unavailable)`. Only infrastructure failures (spawn errors, aborts) surface as `isError` results. +Result text: stdout, then a `[stderr]` section, then status markers — `[sandbox: file access denied under <mode> mode]` when a sandboxing executor classified the failure as a policy denial (reported first so `[exit code: N]` stays the last line; the static description tells the model a denial is policy, not a command bug, and forbids retrying around it), `[timed out after Nms]` whenever the executor's timer fired (reported independently of how the process ended, so a command that traps SIGTERM and exits 0 still shows it), `[killed by signal: …]` for a signal death, `[exit code: N]` for a non-zero exit (reported, **not** `isError`: the model decides how to react), and `[output truncated; full output: <path>]` when the tail was kept and a safe spill file is available. If the executor knows output was dropped but cannot safely advertise a complete spill file, the path is reported as `(unavailable)`. Only infrastructure failures (spawn errors, aborts) surface as `isError` results. ### `bash_output` -`task_id` → output produced **since the previous `bash_output` call** plus a status line (`running` / `completed, exit code: N` / `killed`). Reads that lost data to buffer bounds say so and point at the full-output spill file when one is safely available, otherwise `(unavailable)`. +`task_id` → output produced **since the previous `bash_output` call** plus a status line (`running` / `completed, exit code: N` / `killed`). A settled task classified as a sandbox denial carries the same `[sandbox: file access denied under <mode> mode]` marker on every read that sees it (denials are only classifiable once the whole stderr has been collected). Reads that lost data to buffer bounds say so and point at the full-output spill file when one is safely available, otherwise `(unavailable)`. ### `bash_kill` @@ -44,6 +48,12 @@ When a background task finishes, a short notice is injected into the owning agen The `BashExecRequest` seam carries optional `stdin` and `env`, used by the hooks bridges to feed a hook command its JSON payload and `CLAUDE_*` env. This tool does **not** expose them as parameters: its request is built from `command`/`workdir`/`timeoutMs`/`signal`/`owner` only, so a model that includes `env` or `stdin` keys in its tool arguments has them ignored. This is not a trust boundary — a model already has equivalent power through shell syntax (`FOO=bar cmd`, a heredoc), and the real defense against leaking the harness's ambient secrets is `dsh-bash-local`'s credential scrub, which works regardless. A regression guard drives the real tool with those extra args and asserts the resulting request carries neither field — its job is to catch a future refactor that blindly spreads `...args` into the request (which would silently forward model input into the post-scrub `env` merge), not to defend a wall. See [the bash-stdin-env RFC](../../../docs/rfc/implemented/architecture/2026-06-30-bash-stdin-env-trusted-plugin-surface.md). -## Permissions +## Permissions and escalation -`TODO(permissions)`: commands run with the executor's full authority. The permission/sandbox seam is the `tools/pre-execute` waterfall (deny or ask) plus sandboxing `BashExecutor` implementations — see docs/architecture.md. `@cordisjs/plugin-capability` (a named-permission service with a session `test()`) is a candidate building block for that work. +Commands run with the executor's full authority unless a sandboxing executor ([`dsh-bash-sandbox`](../bash-sandbox/)) confines them — the deny-only sandbox reports denials as result facts, rendered here as the denial marker; per-call allow/deny/ask policy is the `tools/pre-execute` waterfall (see docs/architecture.md). + +On top of a denial sits the escalation gate ([the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): an escalating call (`sandbox_permissions` + `justification`) resolves [`ctx.approval`](../../ui/user-approval/README.md) BEFORE anything executes — `allowed-once` stamps the granted mode onto the bash request as the seam-level `sandboxMode` override (that one call runs, classifies, and reports under the wider mode; its neighbors keep the session's effective mode), while `rejected`/`cancelled`/`unavailable` and the no-service / no-agent paths each fail closed with their own error text and execute nothing. The seam is consumed opportunistically (`ctx.get('approval')`, the dsh-tools ask-routing pattern); the grant is consumed by the very call that asked, and nothing is stored. The static description teaches — and a denied result itself prompts, via the escalation-available marker appended exactly when the fields are advertised — the SAME-TURN flow: on a denial a wider mode would cure, retry the exact command once with `sandbox_permissions` (the narrowest mode that suffices) + `justification` immediately, without detouring through chat (the approval prompt IS the user's consent); never speculatively — an escalation is grounded in a real denial (up-front only when the session already denied the same access), a prompt-stated approvals-disabled policy turns the exception off entirely, and a rejected escalation is final for that command. + +## Per-session mode switching + +Under a sandboxing executor this plugin makes the session's standing mode override ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md); the `bash/sandbox-mode` fold owned by [`dsh-bash`](../bash/README.md)) real at EXECUTION: every call is stamped `escalation grant > session override > undefined` onto `BashExecRequest.sandboxMode`; without either, the executor's `resolve()` applies its configured default. Nothing is stamped under a non-sandboxing executor (nothing would honor it) or for an agent-less caller (no session to fold). The prompt deliberately does NOT state the mode and a switch is not narrated: a standing declaration teaches the model to refuse preemptively, while the denial marker already names the mode the command ran under exactly when the boundary is hit — behavior, not belief, carries the state. diff --git a/packages/bash/tool-bash/package.json b/packages/bash/tool-bash/package.json index f9092fabb6..eec5d79ccb 100644 --- a/packages/bash/tool-bash/package.json +++ b/packages/bash/tool-bash/package.json @@ -23,17 +23,24 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-user-approval": "^0.0.1", "@deepseek-ai/dsh-bash": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", + "@deepseek-ai/dsh-system-prompt": "^0.0.1", "@deepseek-ai/dsh-tools": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-agent-loop": "workspace:^", + "@deepseek-ai/dsh-user-approval": "workspace:^", "@deepseek-ai/dsh-bash": "workspace:^", "@deepseek-ai/dsh-bash-local": "workspace:^", + "@deepseek-ai/dsh-bash-sandbox": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", + "@deepseek-ai/dsh-sandbox-local": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", diff --git a/packages/bash/tool-bash/src/index.ts b/packages/bash/tool-bash/src/index.ts index 88d14cc0f0..31e6512ae0 100644 --- a/packages/bash/tool-bash/src/index.ts +++ b/packages/bash/tool-bash/src/index.ts @@ -30,10 +30,27 @@ * completion landing during the reload gap still drops its one notice — the * pre-existing reload-gap drop — but the ownership fence itself is HMR-proof.) * - * TODO(permissions): commands run with the executor's full authority. The - * permission/sandbox seam is the `tools/pre-execute` waterfall (deny/ask) plus - * sandboxing `BashExecutor` implementations — see docs/architecture.md - * § plugin checklist. + * Commands run with the executor's full authority unless a sandboxing + * executor (`@deepseek-ai/dsh-bash-sandbox`) confines them; per-call + * allow/deny/ask policy is the `tools/pre-execute` waterfall — see + * docs/architecture.md § Extension And Composition. Under a sandboxing + * executor this plugin also advertises the ESCALATION surface + * (`sandbox_permissions`/`justification` — the sandbox RFC § Escalation, + * docs/rfc/implemented/feature/2026-07-06-sandbox.md): a command the + * sandbox denied may be retried once under a strictly wider mode, resolved + * through `ctx.approval` BEFORE anything executes and failing closed on every + * unanswerable path. The fields exist only when the mounted executor reports + * a confining default (`ctx.bash.sandboxMode`) — a lever is never advertised + * that the composition cannot honor. + * + * Per-session mode switching (the sandbox RFC § Per-session mode switching): a session may carry a + * standing sandbox-mode override — the `bash/sandbox-mode` event fold from + * `@deepseek-ai/dsh-bash` — which this plugin makes real at EXECUTION: each + * call is stamped `escalation grant > session override > executor default`. + * The prompt deliberately does NOT state the mode and no switch is narrated: + * the model learns the boundary from the denial marker (which names the mode + * it ran under) exactly when it matters, instead of preemptively refusing + * work a standing declaration would discourage. * * @module @deepseek-ai/dsh-tool-bash */ @@ -41,29 +58,32 @@ import type { Context } from 'cordis' import { isAbsolute, resolve as resolvePath } from 'node:path' import { defineTool } from '@deepseek-ai/dsh-tools' -import type { GenericCallView, TerminalCallView, ToolResult, ToolResultView } from '@deepseek-ai/dsh-tools' +import type { GenericCallView, TerminalCallView, ToolExecution, ToolResult, ToolResultView } from '@deepseek-ai/dsh-tools' import type { Agent } from '@deepseek-ai/dsh-agent' -import { BashTaskId, OwnerToken } from '@deepseek-ai/dsh-bash' +import { assertNever } from '@deepseek-ai/dsh-llm' +import type {} from '@deepseek-ai/dsh-system-prompt' +// Side-effect type import: declaration-merges `ctx.approval`, consumed +// opportunistically by the escalation gate (`ctx.get('approval')` — the seam +// stays optional at runtime, same pattern as dsh-tools' ask routing). +import type {} from '@deepseek-ai/dsh-user-approval' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' +import { BashTaskId, OwnerToken, effectiveSandboxMode } from '@deepseek-ai/dsh-bash' import type { BashRunResult, BashTask, CollectedOutput } from '@deepseek-ai/dsh-bash' export const name = 'tool-bash' -export const inject = ['tools', 'bash'] +export const inject = ['tools', 'bash', 'systemPrompt'] /** * Validate the constraints the SchemaSpec can't express. `defineTool` now * validates parsed args against the SchemaSpec before `execute` runs (the * arg-validation RFC), so type/required/enum checks are already done and `args` * is the validated `InferArgs` shape here. What remains are value constraints - * the DSL has no vocabulary for: non-empty strings and a positive, finite - * timeout. + * the DSL has no vocabulary for: non-empty strings, a positive finite timeout, + * and the escalation pairing (`sandbox_permissions` and `justification` travel + * together — an approval prompt without a reason, or a reason driving nothing, + * is a malformed ask). */ -function validateBashArgs(args: { - command: string - description: string - timeoutMs?: number - workdir?: string - run_in_background?: boolean -}): void { +function validateBashArgs(args: BashToolArgs): void { if (args.command.trim().length === 0) { throw new Error('invalid command: expected a non-empty string') } @@ -73,6 +93,15 @@ function validateBashArgs(args: { if (args.timeoutMs !== undefined && (!Number.isFinite(args.timeoutMs) || args.timeoutMs <= 0)) { throw new Error(`invalid timeoutMs: expected a positive number, got ${JSON.stringify(args.timeoutMs)}`) } + if (args.sandbox_permissions !== undefined && args.justification === undefined) { + throw new Error('invalid escalation: sandbox_permissions requires a justification') + } + if (args.justification !== undefined && args.sandbox_permissions === undefined) { + throw new Error('invalid escalation: justification is only valid together with sandbox_permissions') + } + if (args.justification !== undefined && args.justification.trim().length === 0) { + throw new Error('invalid justification: expected a non-empty sentence') + } } /** @@ -87,6 +116,75 @@ function validateTaskId(value: string): BashTaskId { return BashTaskId(value) } +/** + * The bash tool's validated argument shape — the base parameters plus the two + * escalation fields, which are ADVERTISED only when the mounted executor + * reports a confining default mode (absent from the schema otherwise, so the + * SchemaSpec validator rejects them before `execute` ever sees one). + */ +interface BashToolArgs { + command: string + description: string + timeoutMs?: number + workdir?: string + run_in_background?: boolean + sandbox_permissions?: string + justification?: string +} + +/** + * The strictly-wider table: what a call whose effective mode is the key may + * escalate TO. Checked at EXECUTION, never baked into the schema — the + * schema's enum is {@link ESCALATION_TARGETS}, because schemas are + * registry-global while the effective mode is per-call truth. + */ +const WIDER_MODES: Record<string, readonly SandboxMode[]> = { + 'read-only': ['workspace-write', 'danger-full-access'], + 'workspace-write': ['danger-full-access'], +} + +/** + * The closed escalation-target vocabulary — every mode a call could ever + * escalate TO (`read-only` is the floor; nothing escalates to it). Advertised + * whenever the mounted executor confines: cutting the enum down to the modes + * wider than the executor's DEFAULT would strand a session whose effective + * mode sits below it (a `danger-full-access` default would advertise nothing + * while a narrower-switched session stays confined with no lever). + */ +const ESCALATION_TARGETS: readonly SandboxMode[] = ['workspace-write', 'danger-full-access'] + +/** + * The bash tool's static description. The base text is byte-stable regardless + * of composition (it is part of the pinned snapshot header); the escalation + * teaching rides only when the mounted executor actually honors the fields — + * it names the ONE sanctioned exception to the base text's "do not retry + * another way" rule. Its deference clause ("If the session states approval + * prompts are disabled…") points at the approval plugin's never-policy prompt + * sentence by meaning, not by parsed wording — a rendezvous kept working by + * that sentence continuing to open with the approvals-disabled claim. + */ +function bashDescription(escalationModes: readonly SandboxMode[]): string { + const base = 'Execute a bash command (`bash -c`) and return its stdout/stderr. ' + + 'Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — ' + + 'pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. ' + + 'Commands may run under a file sandbox; a blocked file operation is reported as `[sandbox: file access denied under <mode> mode]` — a policy denial, not a bug in the command; do not retry another way (a background task reports the same marker via bash_output once it has finished). ' + + 'Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. ' + + 'Set `run_in_background: true` for long-running commands: the call returns a task id immediately; ' + + 'poll it with `bash_output` and stop it with `bash_kill`.' + if (escalationModes.length === 0) return base + return base + ' Attempting a command the sandbox may deny is safe and expected: run it and read the ' + + 'marker rather than assuming the denial. When a command IS denied and a wider mode would let it ' + + 'succeed, escalate immediately in the SAME turn — the ONE sanctioned exception to a denial: retry ' + + 'the exact same command once with `sandbox_permissions` (the narrowest wider mode that suffices) ' + + 'plus a one-sentence `justification`. Do not detour through chat to ask permission first — the ' + + 'approval prompt raised by that retry IS how the user consents. If the session states approval ' + + 'prompts are disabled, there is no exception: a denial is final — do not set `sandbox_permissions`. ' + + 'Never escalate speculatively: ground the request in a real denial — normally the one THIS command ' + + 'just hit; escalating up front is fine only when this session already denied the same access. ' + + 'A rejected escalation is final for THAT command — stop and explain, never work around ' + + 'it — but it does not forbid attempting or escalating other commands later.' +} + /** Append the truncation notice (with the full-output spill path) to a stream's text. */ function streamText(output: CollectedOutput): string { if (!output.truncated) return output.text @@ -98,8 +196,16 @@ function streamText(output: CollectedOutput): string { * stderr section, then exit-status markers. Non-zero exits are REPORTED, not * errored — the model decides how to react; only infrastructure failures * (spawn errors, aborts) surface as isError results. + * @param result - the completed foreground run from the executor. + * @param escalationModes - the escalation targets this composition advertises; + * non-empty adds the same-turn escalation hint after a denial marker + * (default `[]`: no hint). + * @returns the model-facing text: output body (or `(no output)`), then any timeout/signal/exit markers, each on its own line. */ -export function renderResult(result: BashRunResult): string { +export function renderResult( + result: BashRunResult, + escalationModes: readonly SandboxMode[] = [], +): string { const out = streamText(result.stdout) const err = streamText(result.stderr) @@ -112,6 +218,19 @@ export function renderResult(result: BashRunResult): string { if (body.length === 0) body = '(no output)' const markers: string[] = [] + // The sandbox marker precedes the exit-status markers so `[exit code: N]` + // stays the LAST line (exitStatus() anchors its parse there). Denial is a + // reported fact like timeout: the model decides how to react. + if (result.sandbox?.denied) { + markers.push(`[sandbox: file access denied under ${result.sandbox.mode} mode]`) + // The same-turn nudge lives at the decision point: only when this + // composition advertises the fields (a lever is never hinted that the + // schema does not offer), and inside the sandbox marker family so the + // exit-code marker stays the last line. + if (escalationModes.length > 0) { + markers.push('[sandbox: escalation available — retry this exact command once with sandbox_permissions (the narrowest wider mode that suffices) + justification; the approval prompt asks the user]') + } + } // Timeout is reported independently of how the process actually ended: a // command can trap SIGTERM and exit 0 after our timer fired (e.g. // `trap "exit 0" TERM; sleep 60`), giving timedOut:true / exitCode:0 / @@ -285,6 +404,15 @@ function statusLine(task: BashTask): string { } export function apply(ctx: Context): void { + // The bash tools' cross-call HABIT, which the per-tool descriptions cannot + // carry (they describe one call each): the exit-code marker is only useful + // if the model actually checks it every time. + ctx.systemPrompt.section({ + name: 'tool:bash', + order: 105, + text: 'Check the [exit code: N] marker on every bash result; investigate failures before moving on.', + }) + /** * The caller's owner TOKEN — the owning agent's `session.header.id`, or * `undefined` for a non-agent caller. Read `session.header.id` (NOT @@ -343,14 +471,87 @@ export function apply(ctx: Context): void { } }) + // The escalation surface exists whenever the mounted executor confines. + // Its enum is the closed target vocabulary, deliberately NOT cut down by + // the configured default: a session may switch to a narrower effective mode + // while sharing this globally registered schema. Strict widening therefore + // belongs to the per-call check below. An executor swap restarts this fiber + // (static inject) and re-registers the schema. + const defaultMode = ctx.bash.sandboxMode + const escalationModes: readonly SandboxMode[] = defaultMode === undefined ? [] : ESCALATION_TARGETS + + /** + * The session's standing mode override for an ordinary (non-escalating) + * call: the `bash/sandbox-mode` fold of the calling agent's log, stamped + * onto the request so EXECUTION follows the same effective mode the prompt + * section states. Weakest precedence — an escalation grant (freshly + * approved for exactly this call) outranks it, and without either the + * executor's `resolve()` applies its configured default. Undefined for a + * non-sandboxing executor (nothing honors it) and for agent-less callers + * (no session to fold). + */ + const sessionOverride = (exec: ToolExecution): SandboxMode | undefined => + defaultMode === undefined || exec.agent === undefined ? undefined : effectiveSandboxMode(exec.agent.session.events) + + /** + * Resolve a sandbox-escalation request through `ctx.approval` BEFORE + * anything executes. Returns the granted mode to stamp onto the bash + * request; throws the distinct fail-closed text for every other path (no + * service composed, an agent-less execution, a rejection, a cancellation, + * an unanswerable ask) — the registry turns the throw into this call's + * isError result, and nothing has run. The seam is consumed + * opportunistically (`ctx.get`, the dsh-tools ask-routing pattern), so a + * deployment without it degrades per call, never at registration. + */ + const approveEscalation = async (mode: string, justification: string, exec: ToolExecution): Promise<SandboxMode> => { + // Schema validation only checks ADVERTISED keys, so an unadvertised + // `sandbox_permissions` (no sandboxing executor) still reaches execute — reject it here so a + // human is never prompted to "escalate" a sandbox that is not there. When + // the fields ARE advertised, the registry's SchemaSpec enum has already + // pinned `mode` to this ladder for every caller. + if (escalationModes.length === 0) { + throw new Error('sandbox_permissions is not available in this composition (no sandboxing executor to escalate)') + } + // Strict widening is an EXECUTION check against the call's effective + // mode — session override ?? executor default, the same fold ordinary + // calls are stamped with — deliberately not a schema constraint (the + // enum is the closed target vocabulary; the effective mode is per-call + // truth). A non-widening request fails closed here and never prompts a + // human. + const effectiveMode = (sessionOverride(exec) ?? defaultMode) as SandboxMode + if (!(WIDER_MODES[effectiveMode] ?? []).includes(mode as SandboxMode)) { + throw new Error(`sandbox escalation to "${mode}" is not strictly wider than this call's current "${effectiveMode}" mode`) + } + const approval = ctx.get('approval') + if (approval === undefined) { + throw new Error(`sandbox escalation to "${mode}" requires approval, but no approval service is composed`) + } + if (exec.agent === undefined) { + throw new Error(`sandbox escalation to "${mode}" requires approval, but the call has no agent to route it through`) + } + const outcome = await approval.request({ + agent: exec.agent, + toolName: 'bash', + callId: exec.callId, + // Self-contained for the audit trail: approval/asked stores this + // reason, and the target mode is part of the grant's identity. + reason: `escalate sandbox to ${mode}: ${justification}`, + ...exec.signal ? { signal: exec.signal } : {}, + }) + switch (outcome) { + // The SchemaSpec enum already pinned `mode` to the closed target + // vocabulary; the per-call check above proved it is strictly wider. + case 'allowed-once': return mode as SandboxMode + case 'rejected': throw new Error(`the user rejected escalating this command to "${mode}"`) + case 'cancelled': throw new Error(`approval for escalating to "${mode}" was cancelled`) + case 'unavailable': throw new Error(`sandbox escalation to "${mode}" requires approval, but no approval channel is available`) + default: return assertNever(outcome, 'ApprovalOutcome') + } + } + ctx.tools.register(defineTool({ name: 'bash', - description: 'Execute a bash command (`bash -c`) and return its stdout/stderr. ' - + 'Each call runs in a fresh shell: no state (cwd, variables, functions) persists between calls — ' - + 'pass `workdir` instead of using `cd`. Non-zero exits are reported as `[exit code: N]`. ' - + 'Long output is truncated to its tail; the full output is saved to a file whose path is reported when available. ' - + 'Set `run_in_background: true` for long-running commands: the call returns a task id immediately; ' - + 'poll it with `bash_output` and stop it with `bash_kill`.', + description: bashDescription(escalationModes), parameters: { command: { type: 'string', required: true, description: 'The bash command to execute.' }, description: { @@ -363,12 +564,33 @@ export function apply(ctx: Context): void { timeoutMs: { type: 'number', description: 'Timeout in milliseconds. The executor applies its configured default and cap, and kills the command on expiry.' }, workdir: { type: 'string', description: 'Working directory for this command. Defaults to the session workspace; a relative path is resolved against it.' }, run_in_background: { type: 'boolean', description: 'Run in the background and return a task id immediately. No timeout applies.' }, + ...escalationModes.length > 0 ? { + sandbox_permissions: { + type: 'string' as const, + enum: [...escalationModes], + description: 'The wider sandbox mode this command needs. Only valid as a one-shot retry ' + + 'of a command the sandbox just denied; requires justification and user approval.', + }, + justification: { + type: 'string' as const, + description: 'Required with sandbox_permissions: one sentence for the user explaining ' + + 'why this exact command needs the wider access.', + }, + } : {}, }, - async execute(args, exec) { + async execute(args: BashToolArgs, exec) { validateBashArgs(args) // `description` is display/logging metadata only (surfaced to UIs via // the tool/call session event); it is intentionally NOT forwarded to // ctx.bash and has no effect on execution. + // An escalating call resolves approval BEFORE anything executes; every + // non-grant outcome throws its distinct error text and runs nothing. + // (validateBashArgs pinned the pairing, so the double narrow is exact.) + // An ordinary call carries the session's standing override instead — + // grant > session override > executor default (see sessionOverride). + const sandboxMode = args.sandbox_permissions !== undefined && args.justification !== undefined + ? await approveEscalation(args.sandbox_permissions, args.justification, exec) + : sessionOverride(exec) // Default the workdir to the calling agent's session cwd so each ACP // session runs in its own workspace (see resolveWorkdir); an explicit // model workdir still wins. @@ -378,6 +600,7 @@ export function apply(ctx: Context): void { ...workdir !== undefined ? { workdir } : {}, ...args.timeoutMs !== undefined ? { timeoutMs: args.timeoutMs } : {}, ...exec.signal ? { signal: exec.signal } : {}, + ...sandboxMode !== undefined ? { sandboxMode } : {}, } if (args.run_in_background === true) { // Stamp the owner token (the agent's session id) onto the spec so the @@ -389,7 +612,7 @@ export function apply(ctx: Context): void { } const result = await ctx.bash.run(ctx.bash.resolve(request)) if (result.aborted) throw new Error('command aborted') - return [{ type: 'text', text: renderResult(result) }] + return [{ type: 'text', text: renderResult(result, escalationModes) }] }, presentCall: presentBashCall, presentResult: presentBashResult, @@ -416,6 +639,21 @@ export function apply(ctx: Context): void { text += `\n[some output was dropped from memory; full output: ${fullOutput}]` } text += `\n${statusLine(read.task)}` + if (read.task.sandbox?.runnerFailed) { + // The sandbox RUNNER itself failed — the command never ran. The + // foreground path surfaces this as the structured SANDBOX_UNAVAILABLE + // error; a settled task's read carries the marker instead. + text += `\n[sandbox: the sandbox runner itself failed under ${read.task.sandbox.mode} mode — the command did not run; this is a sandbox problem, not a command failure]` + } else if (read.task.sandbox?.denied) { + // Mirrors the foreground result marker (and its same-turn escalation + // hint). Background denials are only classifiable once the task + // settles (the classifier needs the whole stderr), so the marker + // rides every read that sees the settled task. + text += `\n[sandbox: file access denied under ${read.task.sandbox.mode} mode]` + if (escalationModes.length > 0) { + text += '\n[sandbox: escalation available — retry this exact command once with sandbox_permissions (the narrowest wider mode that suffices) + justification; the approval prompt asks the user]' + } + } return Promise.resolve([{ type: 'text', text }]) }, presentCall: args => presentTaskCall('Read output from', args), diff --git a/packages/bash/tool-bash/tests/tools.spec.ts b/packages/bash/tool-bash/tests/tools.spec.ts index 82b69fb133..9bc5cf2690 100644 --- a/packages/bash/tool-bash/tests/tools.spec.ts +++ b/packages/bash/tool-bash/tests/tools.spec.ts @@ -1,28 +1,47 @@ -import { mkdtempSync } from 'node:fs' +import { chmodSync, mkdirSync, mkdtempSync } from 'node:fs' import { tmpdir } from 'node:os' import { join } from 'node:path' import { describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' import { CallId } from '@deepseek-ai/dsh-llm' -import { BashExecutor, BashTaskId } from '@deepseek-ai/dsh-bash' +import { BashExecutor, BashTaskId, setSandboxMode } from '@deepseek-ai/dsh-bash' import type { BashExecRequest, BashExecSpec, BashRunResult, BashTask, BashTaskRead, OwnerToken } from '@deepseek-ai/dsh-bash' +import { Session, SessionId } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' import AgentRegistry from '@deepseek-ai/dsh-agent' import type { Agent } from '@deepseek-ai/dsh-agent' import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' +import { SandboxBashExecutor } from '@deepseek-ai/dsh-bash-sandbox' +import { SandboxProvider } from '@deepseek-ai/dsh-sandbox' +import type { ConfinedArgv } from '@deepseek-ai/dsh-sandbox' +import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' +import ApprovalService from '@deepseek-ai/dsh-user-approval' +import type { ApprovalOutcome } from '@deepseek-ai/dsh-user-approval' import * as ToolBash from '@deepseek-ai/dsh-tool-bash' import { renderResult } from '@deepseek-ai/dsh-tool-bash' const spillDir = mkdtempSync(join(tmpdir(), 'dsh-tool-bash-spec-')) +// Pure-config passthrough runner (same knob the snapshot tier uses): skips the +// profile args up to `--` and execs the command unconfined — deterministic +// without a host bwrap. +const PASSTHROUGH_RUNNER = ['bash', '-c', 'while [ "$1" != "--" ]; do shift; done; shift; exec "$@"', 'passthrough-runner'] +const PASSTHROUGH_RUNNER_CONFIG = { + runnerCommand: PASSTHROUGH_RUNNER, + // The script has no pre-exec failure path; the provider still requires an + // explicit dialect so a future script change cannot silently turn runner + // failure into an ordinary command result. + runnerFailureSignatures: ['passthrough-runner: profile rejected'], +} + async function setup() { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) - await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000 }) - ;(ctx.bash as LocalBashExecutor).internals = { spillDir, graceMs: 200 } + await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000, graceMs: 200 }) + ;(ctx.bash as LocalBashExecutor).internals = { spillDir } await ctx.plugin(ToolBash) return ctx } @@ -100,6 +119,7 @@ class LossyReadBashExecutor extends BashExecutor { timeoutMs: request.timeoutMs ?? 0, ...request.signal ? { signal: request.signal } : {}, owner: request.owner, + sandboxMode: request.sandboxMode, } } @@ -184,8 +204,8 @@ describe('bash tool', () => { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) - await ctx.plugin(LocalBashExecutor, { maxOutputBytes: 100 }) - ;(ctx.bash as LocalBashExecutor).internals = { spillDir, graceMs: 200 } + await ctx.plugin(LocalBashExecutor, { maxOutputBytes: 100, graceMs: 200 }) + ;(ctx.bash as LocalBashExecutor).internals = { spillDir } await ctx.plugin(ToolBash) const result = await call(ctx, 'bash', { command: 'for i in $(seq 1 100); do printf "line-%04d\\n" $i; done', description: 'test command' }) expect(text(result)).toContain('[output truncated; full output: ') @@ -261,6 +281,14 @@ describe('bash tool', () => { }) }) + it('contributes the exit-code habit as its prompt section (guidance the descriptions cannot carry)', async () => { + const ctx = await setup() + const assembly = await ctx.systemPrompt.assemble() + const section = assembly.sections.find(s => s.name === 'tool:bash') + expect(section?.order).toBe(105) + expect(section?.text).toContain('[exit code: N]') + }) + it('unregisters everything when the plugin fiber is disposed (HMR safety)', async () => { const ctx = new Context() await ctx.plugin(SystemPrompt) @@ -268,8 +296,11 @@ describe('bash tool', () => { await ctx.plugin(LocalBashExecutor, {}) const fiber = await ctx.plugin(ToolBash) expect(ctx.tools.schemas()).toHaveLength(3) + expect((await ctx.systemPrompt.assemble()).sections.map(s => s.name)).toEqual(['harness:identity', 'deployment:persona', 'tool:bash']) await fiber.dispose() expect(ctx.tools.schemas()).toHaveLength(0) + // Only the system-prompt plugin's own built-in sections remain. + expect((await ctx.systemPrompt.assemble()).sections.map(s => s.name)).toEqual(['harness:identity', 'deployment:persona']) }) it('tools depend on the executor: no registration without ctx.bash', async () => { @@ -316,8 +347,8 @@ describe('background tools', () => { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) - await ctx.plugin(LocalBashExecutor, { maxOutputBytes: 100 }) - ;(ctx.bash as LocalBashExecutor).internals = { spillDir, graceMs: 200 } + await ctx.plugin(LocalBashExecutor, { maxOutputBytes: 100, graceMs: 200 }) + ;(ctx.bash as LocalBashExecutor).internals = { spillDir } await ctx.plugin(ToolBash) const started = await call(ctx, 'bash', { command: 'for i in $(seq 1 200); do printf "line-%04d\\n" $i; done', description: 'test command', run_in_background: true }) @@ -568,8 +599,8 @@ describe('background task ownership (cross-session isolation)', () => { const ctx = new Context() await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) - await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000 }) - ;(ctx.bash as LocalBashExecutor).internals = { spillDir, graceMs: 200 } + await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000, graceMs: 200 }) + ;(ctx.bash as LocalBashExecutor).internals = { spillDir } const fiber = await ctx.plugin(ToolBash) const a = fakeAgent('sess-a') @@ -824,7 +855,7 @@ describe('tool-owned UI presentation (presentCall / presentResult)', () => { const ctx = await setup() const present = ctx.tools.get('bash')!.presentResult!( { command: 'x', description: 'x' }, - { content: [{ type: 'image', url: 'https://x/y.png' }], isError: false }, + { content: [{ type: 'reasoning', text: 'unexpected' }], isError: false }, ) expect(present).toBeUndefined() }) @@ -883,6 +914,7 @@ describe('the model-facing bash tool builds its request from named args only (no ...request.stdin !== undefined ? { stdin: request.stdin } : {}, ...request.env !== undefined ? { env: request.env } : {}, owner: request.owner, + sandboxMode: request.sandboxMode, } } run(): Promise<BashRunResult> { @@ -959,3 +991,512 @@ describe('the model-facing bash tool builds its request from named args only (no expect('owner' in request).toBe(true) }) }) + +describe('sandbox rendering', () => { + const sandboxResult = (denied: boolean, exitCode: number): BashRunResult => ({ + exitCode, + signal: null, + timedOut: false, + aborted: false, + timeoutMs: 1000, + stdout: { text: '', truncated: false }, + stderr: { text: denied ? 'bash: /x: Read-only file system' : 'boom', truncated: false }, + sandbox: { mode: 'read-only', denied }, + }) + + it('renders a denial marker BEFORE the exit-code marker (the $-anchored parse survives)', () => { + const text = renderResult(sandboxResult(true, 1)) + expect(text).toMatch(/\[sandbox: file access denied under read-only mode\]\n\[exit code: 1\]$/) + }) + + it('appends the same-turn escalation hint to a denial exactly when the fields are advertised', () => { + const hinted = renderResult(sandboxResult(true, 1), ['workspace-write', 'danger-full-access']) + expect(hinted).toMatch( + /denied under read-only mode\]\n\[sandbox: escalation available — retry this exact command once with sandbox_permissions [^\n]+\]\n\[exit code: 1\]$/, // eslint-disable-line @stylistic/max-len -- the hint sentence is pinned verbatim + ) + // Default (no advertisement): no hint — a lever the schema does not offer is never suggested. + expect(renderResult(sandboxResult(true, 1))).not.toContain('escalation available') + // A non-denied result never hints, advertised or not. + expect(renderResult(sandboxResult(false, 2), ['danger-full-access'])).not.toContain('escalation available') + }) + + it('renders no sandbox marker for a plain failure under a sandboxed mode', () => { + expect(renderResult(sandboxResult(false, 2))).not.toContain('[sandbox:') + }) + + it('bash_output reports a settled background denial with the same marker', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(LocalSandboxProvider, PASSTHROUGH_RUNNER_CONFIG) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + await ctx.plugin(ToolBash) + const started = await call(ctx, 'bash', { command: 'echo "x: Permission denied" >&2; exit 1', description: 'test command', run_in_background: true }) + const id = text(started).match(/started background task (bash-\d+)/)![1] + await bash.list().find(task => task.id === id)!.done + const read = await call(ctx, 'bash_output', { task_id: id }) + expect(text(read)).toMatch( + /\[status: completed, exit code: 1\]\n\[sandbox: file access denied under read-only mode\]\n\[sandbox: escalation available[^\n]+\]$/, + ) + }) + + it('a settled background denial renders no escalation hint without a confining executor (defensive arm)', async () => { + // Structurally near-unreachable through the real stack — every confining + // default advertises the static target set — but the read path guards + // it anyway: an executor that reports no sandboxMode (fields never + // advertised) whose task nonetheless carries denial facts must render + // the marker without suggesting a lever the schema does not offer. + class FactsOnlyExecutor extends BashExecutor { + private readonly task: BashTask = { + id: BashTaskId('bash-facts'), + command: 'fake', + status: 'completed', + exitCode: 1, + signal: null, + done: Promise.resolve(), + sandbox: { mode: 'read-only', denied: true }, + } + + resolve(request: BashExecRequest): BashExecSpec { + return { + command: request.command, + workdir: request.workdir ?? process.cwd(), + timeoutMs: request.timeoutMs ?? 0, + ...request.signal ? { signal: request.signal } : {}, + owner: request.owner, + sandboxMode: request.sandboxMode, + } + } + + run(): Promise<BashRunResult> { return Promise.reject(new Error('not used')) } + start(): BashTask { return this.task } + get(id: string): BashTask | undefined { return id === this.task.id ? this.task : undefined } + list(): BashTask[] { return [this.task] } + kill(): boolean { return false } + ownerOf(): OwnerToken | undefined { return undefined } + readOutput(): BashTaskRead { + return { task: this.task, delta: '', lossy: false } + } + } + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(FactsOnlyExecutor) + await ctx.plugin(ToolBash) + const read = await call(ctx, 'bash_output', { task_id: 'bash-facts' }) + expect(text(read)).toMatch(/\[sandbox: file access denied under read-only mode\]$/) + expect(text(read)).not.toContain('escalation available') + }) + + it('bash_output reports a settled background RUNNER failure as a sandbox problem, outranking the denial marker', async () => { + // A provider whose wrap carries a runner-failure signature: the settled + // task's stderr matching it means the sandbox itself broke and the + // command never ran — even though the same stderr also carries denial + // words (a runner's error text may contain them). + class FakeProvider extends SandboxProvider { + confine(argv: readonly string[]): ConfinedArgv { + return { argv: [...argv], enforcement: 'full', denialSignatures: ['permission denied'], runnerFailureSignatures: ['fake-runner: '] } + } + } + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(FakeProvider) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + await ctx.plugin(ToolBash) + const started = await call(ctx, 'bash', { command: 'echo "fake-runner: cannot open rule path: /x: Permission denied" >&2; exit 125', description: 'test command', run_in_background: true }) + const id = text(started).match(/started background task (bash-\d+)/)![1] + await bash.list().find(task => task.id === id)!.done + const read = await call(ctx, 'bash_output', { task_id: id }) + expect(text(read)).toMatch(/\[sandbox: the sandbox runner itself failed under read-only mode — the command did not run; /) + expect(text(read)).toMatch(/this is a sandbox problem, not a command failure\]$/) + expect(text(read)).not.toContain('file access denied') + }) + + it('classifies an executable configured runner that refuses its profile before the command runs', async () => { + const signature = 'custom-runner-rejected' + const ctx = new Context() + await ctx.plugin(LocalSandboxProvider, { + runnerCommand: ['bash', '-c', `printf '${signature}\\n' >&2; exit 125`, 'custom-runner'], + runnerFailureSignatures: [signature], + }) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + + await expect(bash.run(bash.resolve({ command: 'echo command-must-not-run' }))) + .rejects.toMatchObject({ code: 'SANDBOX_UNAVAILABLE' }) + + const task = bash.start(bash.resolve({ command: 'echo command-must-not-run' })) + await task.done + expect(task.sandbox).toEqual({ mode: 'read-only', denied: false, enforcement: 'full', runnerFailed: true }) + }) + + it('reports a real denial end-to-end through the shipping sandbox executor', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(LocalSandboxProvider, PASSTHROUGH_RUNNER_CONFIG) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200 }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + await ctx.plugin(ToolBash) + const lockedDir = join(mkdtempSync(join(tmpdir(), 'dsh-tool-bash-denied-')), 'locked') + mkdirSync(lockedDir) + chmodSync(lockedDir, 0o555) + const result = await call(ctx, 'bash', { command: `echo x > ${lockedDir}/f`, description: 'Write into a locked directory' }) + expect(result.isError).toBe(false) + expect(text(result)).toMatch( + /denied under read-only mode\]\n\[sandbox: escalation available[^\n]+\]\n\[exit code: \d+\]$/, + ) + }) +}) + +describe('sandbox escalation (sandbox_permissions / justification)', () => { + /** Compose the real sandbox stack (passthrough runner) at a given default mode. */ + async function setupSandboxed(mode?: 'read-only' | 'workspace-write' | 'danger-full-access', opts: { approval?: boolean; policy?: 'ask' | 'never' } = {}) { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(LocalSandboxProvider, PASSTHROUGH_RUNNER_CONFIG) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200, ...mode !== undefined ? { mode } : {} }) + const bash = ctx.bash as SandboxBashExecutor + bash.internals = { spillDir } + if (opts.approval === true) await ctx.plugin(ApprovalService, opts.policy !== undefined ? { policy: opts.policy } : {}) + await ctx.plugin(ToolBash) + return { ctx, bash } + } + + /** The registered bash tool's wire schema (what the model actually sees). */ + function bashSchema(ctx: Context) { + const schema = ctx.tools.schemas().find(s => s.name === 'bash') + if (!schema) throw new Error('bash tool not registered') + return schema as unknown as { description: string; parameters: { properties: Record<string, { enum?: string[] }> } } + } + + /** + * A fake agent whose session records appends — the approval audit surface. + * Seeded mid-turn: an escalating call always runs inside one, and request() + * enforces the enclosure. + */ + function escalationAgent(events: Array<{ type: string; data: Record<string, unknown> }>): Agent { + return { + id: 'agent-esc', + session: { + header: { version: 0, id: 'sess-esc', createdAt: 0 }, + events: [{ type: 'turn/start' }], + append: (type: string, data: Record<string, unknown>) => { events.push({ type, data }) }, + }, + } as unknown as Agent + } + + let escCall = 0 + function callAs(ctx: Context, agent: Agent | undefined, args: unknown) { + return ctx.tools.execute({ callId: CallId(`call-esc-${++escCall}`), name: 'bash', arguments: args, ...agent ? { agent } : {} }) + } + + const ESCALATE = { command: 'true', description: 'test escalation', sandbox_permissions: 'workspace-write', justification: 'the test needs it' } + + it('advertises no escalation surface under a non-sandboxing executor', async () => { + const ctx = await setup() + expect(ctx.bash.sandboxMode).toBeUndefined() + const schema = bashSchema(ctx) + expect(schema.parameters.properties['sandbox_permissions']).toBeUndefined() + expect(schema.parameters.properties['justification']).toBeUndefined() + expect(schema.description).not.toContain('sanctioned exception') + }) + + it('advertises the full closed target vocabulary under any confining default', async () => { + // The enum is deliberately NOT default-relative: a session's effective + // mode is per-session and switchable, so every confining composition + // advertises every possible target — strict widening is checked at + // execution against the call's effective mode instead. + for (const mode of [undefined, 'workspace-write', 'danger-full-access'] as const) { + const { ctx } = await setupSandboxed(mode) + const schema = bashSchema(ctx) + expect(schema.parameters.properties['sandbox_permissions']?.enum).toEqual(['workspace-write', 'danger-full-access']) + expect(schema.parameters.properties['justification']).toBeDefined() + expect(schema.description).toContain('sanctioned exception') + } + }) + + it('a non-widening request fails at execution with its own text and prompts no one', async () => { + const { ctx } = await setupSandboxed('danger-full-access', { approval: true }) + const consulted = vi.fn() + ctx.on('approval/request', (_req, next) => { consulted(); return next() }) + const result = await callAs(ctx, escalationAgent([]), { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'already wider' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('not strictly wider than this call\'s current "danger-full-access" mode') + expect(consulted).not.toHaveBeenCalled() + }) + + it('rejects sandbox_permissions without a justification, and vice versa, and a blank justification', async () => { + const { ctx } = await setupSandboxed() + const missing = await callAs(ctx, undefined, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write' }) + expect(missing.isError).toBe(true) + expect(text(missing)).toContain('sandbox_permissions requires a justification') + const orphan = await callAs(ctx, undefined, { command: 'true', description: 'd', justification: 'why not' }) + expect(orphan.isError).toBe(true) + expect(text(orphan)).toContain('only valid together with sandbox_permissions') + const blank = await callAs(ctx, undefined, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: ' ' }) + expect(blank.isError).toBe(true) + expect(text(blank)).toContain('expected a non-empty sentence') + }) + + it('the schema enum rejects a mode outside the target vocabulary before execute (registry-level, any caller)', async () => { + const { ctx } = await setupSandboxed() + const result = await callAs(ctx, undefined, { command: 'true', description: 'd', sandbox_permissions: 'read-only', justification: 'narrow' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('must be one of') + }) + + it('rejects an unadvertised sandbox_permissions injection under a non-sandboxing executor', async () => { + const ctx = await setup() + const result = await callAs(ctx, undefined, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'sneaky' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('not available in this composition') + }) + + it('fails closed with its own text when no approval service is composed', async () => { + const { ctx } = await setupSandboxed() + const result = await callAs(ctx, escalationAgent([]), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('no approval service is composed') + }) + + it('fails closed with its own text for an agent-less escalating call', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + const result = await callAs(ctx, undefined, ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('no agent to route it through') + }) + + it('fails closed with its own text when the service has no answerer', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + const result = await callAs(ctx, escalationAgent([]), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('no approval channel is available') + }) + + it('a grant runs THAT call under the wider mode — the denial marker names it — and lands the audit pair', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + const events: Array<{ type: string; data: Record<string, unknown> }> = [] + // A real unix denial under the passthrough runner: the marker's mode can + // only say workspace-write if the override actually rode the spec. + const lockedDir = join(mkdtempSync(join(tmpdir(), 'dsh-esc-denied-')), 'locked') + mkdirSync(lockedDir) + chmodSync(lockedDir, 0o555) + const result = await callAs(ctx, escalationAgent(events), { + command: `echo x > ${lockedDir}/f`, + description: 'write into a locked directory', + sandbox_permissions: 'workspace-write', + justification: 'must write outside the workspace', + }) + expect(result.isError).toBe(false) + expect(text(result)).toMatch(/\[sandbox: file access denied under workspace-write mode\]/) + expect(events.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + expect(events[0]?.data['toolName']).toBe('bash') + expect(events[0]?.data['reason']).toBe('escalate sandbox to workspace-write: must write outside the workspace') + expect(events[1]?.data['outcome']).toBe('allowed-once') + }) + + it('a granted background start settles with the wider mode\'s facts', async () => { + const { ctx, bash } = await setupSandboxed('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + const started = await callAs(ctx, escalationAgent([]), { ...ESCALATE, run_in_background: true }) + expect(started.isError).toBe(false) + const id = text(started).match(/started background task (bash-\d+)/)?.[1] + const task = bash.list().find(t => t.id === id) + if (!task) throw new Error('escalated task not tracked') + await task.done + expect(task.sandbox).toMatchObject({ mode: 'workspace-write', denied: false }) + }) + + it('a rejection denies with the user-said-no text and runs nothing', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('rejected')) + // A live (non-aborted) signal rides the execution: the gate threads it + // into the approval request so a turn cancellation can withdraw the ask. + const result = await ctx.tools.execute({ + callId: CallId(`call-esc-${++escCall}`), + name: 'bash', + arguments: ESCALATE, + agent: escalationAgent([]), + signal: new AbortController().signal, + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('the user rejected escalating this command to "workspace-write"') + }) + + it('a cancellation denies with the cancelled text', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('cancelled')) + const result = await callAs(ctx, escalationAgent([]), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('approval for escalating to "workspace-write" was cancelled') + }) + + it('a rogue approval stand-in returning a non-vocabulary outcome hits the exhaustiveness backstop', async () => { + const { ctx } = await setupSandboxed() + ctx.provide('approval', { request: () => Promise.resolve('yolo') } as unknown as InstanceType<typeof ApprovalService>) + const result = await callAs(ctx, escalationAgent([]), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('unreachable') + }) + + it('a never policy rejects an escalation deterministically without consulting any answerer', async () => { + // The live-session e.md case: the model requests escalation against a + // 'never' session — the prepend gate answers rejected before any + // interactive answerer, the fail-closed text is the ordinary rejection + // wording, and the audit pair still lands. + const { ctx } = await setupSandboxed('read-only', { approval: true, policy: 'never' }) + const consulted = vi.fn() + ctx.on('approval/request', (_req, next) => { consulted(); return next() }) + const events: Array<{ type: string; data: Record<string, unknown> }> = [] + const result = await callAs(ctx, escalationAgent(events), ESCALATE) + expect(result.isError).toBe(true) + expect(text(result)).toContain('the user rejected escalating this command to "workspace-write"') + expect(consulted).not.toHaveBeenCalled() + expect(events.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + expect(events[1]?.data).toMatchObject({ outcome: 'rejected' }) + }) + + it('a plain call under a sandboxing executor never consults approval', async () => { + const { ctx } = await setupSandboxed('read-only', { approval: true }) + const asked = vi.fn() + ctx.on('approval/request', (_req, next) => { asked(); return next() }) + const result = await callAs(ctx, escalationAgent([]), { command: 'echo plain', description: 'plain run' }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('plain') + expect(asked).not.toHaveBeenCalled() + }) +}) + +describe('per-session sandbox mode (the bash/sandbox-mode fold)', () => { + /** Compose the real sandbox stack (passthrough runner) at a given default mode. */ + async function setupModal(mode: 'read-only' | 'workspace-write' | 'danger-full-access' = 'read-only', opts: { approval?: boolean } = {}) { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(LocalSandboxProvider, PASSTHROUGH_RUNNER_CONFIG) + await ctx.plugin(SandboxBashExecutor, { graceMs: 200, mode }) + ;(ctx.bash as SandboxBashExecutor).internals = { spillDir } + if (opts.approval === true) await ctx.plugin(ApprovalService) + await ctx.plugin(ToolBash) + return ctx + } + + /** + * An agent stand-in over a REAL Session — the stamping folds real events; + * the opened turn satisfies approval's enclosure precondition on escalating + * calls. + */ + function sessionAgent(id: string): { agent: Agent; session: Session; injected: string[] } { + const session = new Session(SessionId(id)) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const injected: string[] = [] + const agent = { + id, + session, + inject: (content: { type: string; text: string }[]) => { injected.push(content[0]?.text ?? '') }, + } as unknown as Agent + return { agent, session, injected } + } + + let modeCall = 0 + const callAs = (ctx: Context, agent: Agent | undefined, args: unknown) => + ctx.tools.execute({ callId: CallId(`call-mode-${++modeCall}`), name: 'bash', arguments: args, ...agent ? { agent } : {} }) + + + it('stamps calls with grant > session override > nothing (executor default)', async () => { + const ctx = await setupModal('read-only', { approval: true }) + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + const seen: (string | undefined)[] = [] + const original = ctx.bash.resolve.bind(ctx.bash) + vi.spyOn(ctx.bash, 'resolve').mockImplementation((req) => { + seen.push(req.sandboxMode) + return original(req) + }) + const { agent, session } = sessionAgent('sess-stamp-1') + const run = { command: 'true', description: 'stamp probe' } + await callAs(ctx, agent, run) // no override yet + setSandboxMode(session, 'workspace-write') + await callAs(ctx, agent, run) // standing override + await callAs(ctx, undefined, run) // agent-less caller: no session to fold + await callAs(ctx, agent, { ...run, sandbox_permissions: 'danger-full-access', justification: 'grant outranks override' }) + expect(seen).toEqual([undefined, 'workspace-write', undefined, 'danger-full-access']) + }) + + it('escalates relative to the session effective mode, not the executor default (narrower override)', async () => { + // The blocker scenario: a workspace-write default with a read-only + // override — the sensible escalation is workspace-write, which a + // default-relative ladder could not even express. The static target + // vocabulary advertises it and the execution check accepts it as + // strictly wider than the CALL's effective (overridden) mode. + const ctx = await setupModal('workspace-write', { approval: true }) + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + const seen: (string | undefined)[] = [] + const original = ctx.bash.resolve.bind(ctx.bash) + vi.spyOn(ctx.bash, 'resolve').mockImplementation((req) => { + seen.push(req.sandboxMode) + return original(req) + }) + const { agent, session } = sessionAgent('sess-esc-narrow') + setSandboxMode(session, 'read-only') + const result = await callAs(ctx, agent, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'the override is narrower than the default' }) + expect(result.isError).toBe(false) + expect(seen).toEqual(['workspace-write']) + }) + + it('a danger-full-access default still offers the lever to a narrower-switched session', async () => { + // Under the default-relative ladder these fields VANISHED (nothing is + // wider than the default), stranding a read-only-overridden session + // with no escalation path at all. + const ctx = await setupModal('danger-full-access', { approval: true }) + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + const schema = ctx.tools.schemas().find(t => t.name === 'bash') as unknown as { parameters: { properties: Record<string, { enum?: string[] }> } } + expect(schema.parameters.properties['sandbox_permissions']?.enum).toEqual(['workspace-write', 'danger-full-access']) + const { agent, session } = sessionAgent('sess-esc-dfa') + setSandboxMode(session, 'read-only') + const result = await callAs(ctx, agent, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'confined by override under a wide default' }) + expect(result.isError).toBe(false) + }) + + it('rejects a non-widening request against the OVERRIDDEN effective mode without prompting', async () => { + const ctx = await setupModal('read-only', { approval: true }) + const consulted = vi.fn() + ctx.on('approval/request', (_req, next) => { consulted(); return next() }) + const { agent, session } = sessionAgent('sess-esc-nonwide') + setSandboxMode(session, 'danger-full-access') + const result = await callAs(ctx, agent, { command: 'true', description: 'd', sandbox_permissions: 'workspace-write', justification: 'already wider via override' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('not strictly wider than this call\'s current "danger-full-access" mode') + expect(consulted).not.toHaveBeenCalled() + }) + + it('never stamps an override under a non-sandboxing executor (nothing honors it)', async () => { + const ctx = await setup() + const seen: (string | undefined)[] = [] + const original = ctx.bash.resolve.bind(ctx.bash) + vi.spyOn(ctx.bash, 'resolve').mockImplementation((req) => { + seen.push(req.sandboxMode) + return original(req) + }) + const { agent, session } = sessionAgent('sess-stamp-2') + setSandboxMode(session, 'danger-full-access') + await callAs(ctx, agent, { command: 'true', description: 'plain probe' }) + expect(seen).toEqual([undefined]) + }) + +}) diff --git a/packages/bash/tool-bash/tsconfig.json b/packages/bash/tool-bash/tsconfig.json index 89b10bfea8..c4d738c7dd 100644 --- a/packages/bash/tool-bash/tsconfig.json +++ b/packages/bash/tool-bash/tsconfig.json @@ -25,6 +25,15 @@ }, { "path": "../../bash/bash" + }, + { + "path": "../../core/system-prompt" + }, + { + "path": "../../ui/user-approval" + }, + { + "path": "../../sandbox/sandbox" } ] } diff --git a/packages/code-runtime/README.md b/packages/code-runtime/README.md new file mode 100644 index 0000000000..2c18ef43cf --- /dev/null +++ b/packages/code-runtime/README.md @@ -0,0 +1,10 @@ +# code-runtime/ — code-execution capability family + +The code-execution capability seam (see [capability seams](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)): an abstract runtime interface for executing one model-written program against host-provided async bindings, capturing what it printed and returned. The consumer is the tool registry's [Code Mode](../core/tools/README.md) (`tools: { mode: code }` — the `run_code` tool and the generated TypeScript SDK); design in the [Code Mode RFC](../../docs/rfc/implemented/feature/2026-06-15-code-mode.md). **Product** packages. + +| Package | Role | ctx key | +|---|---|---| +| `code-runtime/` | Abstract code-execution seam (interface + vocabulary) | `ctx.codeRuntime` | +| [`code-runtime-worker/`](code-runtime-worker/README.md) | Worker-thread backend: fresh worker per run, TypeScript via host-side type-strip (annotations advisory, never type-checked), port-bridged bindings, budget/heap containment | registers `ctx.codeRuntime` | + +The interface lives at `code-runtime/code-runtime/`; the shipped backend at `code-runtime/code-runtime-worker/`. Backends differ by execution substrate (worker thread, process, container) and by source language — both readonly descriptors on the service — and register `ctx.codeRuntime` without touching the interface or its consumer; that split is what makes a hardened backend a drop-in later. diff --git a/packages/code-runtime/code-runtime-worker/README.md b/packages/code-runtime/code-runtime-worker/README.md new file mode 100644 index 0000000000..f691904e88 --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/README.md @@ -0,0 +1,32 @@ +# @deepseek-ai/dsh-code-runtime-worker + +Worker-thread implementation of the [`@deepseek-ai/dsh-code-runtime`](../code-runtime/README.md) seam: `WorkerCodeRuntime` runs each program in ONE fresh Node `worker_threads.Worker` — TypeScript in, type-stripped host-side, bindings bridged over the message port, `{ value, logs, error? }` out. **Containment, not a security boundary**: trust posture is bash-equivalent by design (the [Code Mode RFC](../../../docs/rfc/implemented/feature/2026-06-15-code-mode.md) § Trust posture), with containment bash does not have — separate isolate, empty environment, heap cap, hard termination. + +## Config + +```yaml +- id: code-runtime + name: '@deepseek-ai/dsh-code-runtime-worker' + config: + computeMs: 60000 # busy-time budget (measured event-loop active time) + maxWallMs: 600000 # wall-clock ceiling; never pauses for anything + maxLogBytes: 65536 # shared byte budget for captured log text + maxValueBytes: 32768 # rendered-completion-value cap + maxOldGenerationSizeMb: 512 # worker heap cap (resourceLimits) +``` + +Every field is validated (positive numbers) and defaulted; there are no other tunables. + +## Design + +- **One fresh worker per run, no pooling** — a program's world dies with its worker: no cross-run state to log, state bleed unrepresentable, runs reconstructable from the session log alone. +- **Type-strip host-side, in execution context** — the program is wrapped in an async-function shell, stripped with `node:module`'s `stripTypeScriptTypes` (erasable syntax only — `enum`/namespaces are rejected as a program `exception` and no worker spawns), and sliced back out byte-positioned; it then executes as the body of an `AsyncFunction`, so top-level `await`/`return` work. +- **The port assumes a hostile peer** — model code can reach `parentPort` and forge traffic, so every inbound message is shape-validated and REBUILT before anything reads it (`null`, primitives, junk types, and malformed payloads drop without a throw; forged extra fields never ride along), the host answers each call id at most once, resolves binding names as OWN properties only (a forged `constructor` cannot walk a prototype chain), drops post-settlement replies, and converts a non-cloneable binding resolution into an error reply. Forged `log`/`done` messages cannot bypass the caps: one host-side ledger bounds everything that lands in `logs`, and the completion value is re-capped host-side. Worker-side namespaces are null-prototype with `defineProperty`, so `__proto__`-shaped binding names are ordinary keys. +- **Two independent budgets, because the peer is hostile** — `computeMs` meters the worker's MEASURED busy time (`worker.performance.eventLoopUtilization()` polling): a hot loop cannot hide behind a pending decoy dispatch, and a program awaiting a slow tool accrues nothing. `maxWallMs` backstops what busy time cannot see (awaiting a promise nobody resolves). Both funnel into `worker.terminate()`, which ends hot synchronous loops too; heap overflow surfaces as the worker's OOM exit (`kind: 'worker-exit'`). +- **Logs stream eagerly** — console/stdout/stderr entries cross the port as they happen, so a timed-out or killed program still shows what it printed. ONE shared `maxLogBytes` ledger bounds everything: streamed entries, forged port traffic, and pipe bytes that bypass the patched streams (appended after), with the overflow marked in-band once. +- **Empty environment** — the worker gets `env: {}` and `execArgv: []`: no ambient credentials (stronger than the scrubbed-env rule for spawned commands) and no inherited loader flags. +- **Dispose to quiescence** — teardown fails in-flight runs as `abort` and AWAITS each worker's exit before resolving. + +## The worker entry, unbuilt and built + +`worker.ts` is deliberately erasable-only TypeScript with type-only cross-package imports: unbuilt (vitest/tsx), the host spawns `src/worker.ts` directly and Node's native type stripping loads it; built, the entry ships as the sibling bundle `lib/worker.js` (its own tsdown entry). The built path is pinned by `tests/built-lib.e2e.ts`, the real-load-path guard from [docs/testing.md](../../../docs/testing.md). diff --git a/packages/code-runtime/code-runtime-worker/package.json b/packages/code-runtime/code-runtime-worker/package.json new file mode 100644 index 0000000000..027089337b --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/package.json @@ -0,0 +1,40 @@ +{ + "name": "@deepseek-ai/dsh-code-runtime-worker", + "description": "Worker-thread implementation of the DeepSeek Harness code-execution seam", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./worker": { + "types": "./lib/types/worker.d.ts", + "default": "./lib/worker.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/worker.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-code-runtime": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-code-runtime": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/code-runtime/code-runtime-worker/src/bootstrap.ts b/packages/code-runtime/code-runtime-worker/src/bootstrap.ts new file mode 100644 index 0000000000..f2e0d343f3 --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/src/bootstrap.ts @@ -0,0 +1,301 @@ +/** + * Worker-side execution logic, written as plain functions over an injected + * port so the unit suite can run every line IN-PROCESS against a fake port + * (a real worker thread is a separate V8 isolate the coverage provider + * cannot observe). The real worker entry (`worker.ts`) is a thin + * self-executing glue file over {@link runWorkerMain}, excluded from + * coverage the same way `bin.ts` entrypoints are, and exercised end-to-end + * by the integration tests that spawn real workers. + * + * @module @deepseek-ai/dsh-code-runtime-worker/src/bootstrap + */ + +import { inspect } from 'node:util' +import { serialize } from 'node:v8' +import type { CodeLogEntry } from '@deepseek-ai/dsh-code-runtime' +import { logTruncationMarker } from './protocol.ts' +import type { DoneMessage, ReplyMessage, WorkerBootData, WorkerToHost } from './protocol.ts' + +/** The port surface the bootstrap needs — satisfied by `parentPort` and by the tests' fake. */ +export interface BootstrapPort { + postMessage(message: WorkerToHost): void + on(event: 'message', listener: (message: ReplyMessage) => void): void +} + +/** + * A writable stream's `write` slot, as the bootstrap patches it (see + * {@link captureStreamWrites}). Method-typed so the real + * `process.stdout`/`process.stderr` (narrower chunk parameters) remain + * assignable. + */ +export interface PatchableStream { + write(chunk: unknown, ...rest: unknown[]): boolean +} + +/** + * Ordered log capture under one shared byte budget, delivered to a sink as + * each entry lands (the real sink streams entries over the port eagerly, so + * captured output survives a mid-run termination). Once the budget is + * exhausted it emits exactly one in-band marker entry (on the `stderr` + * diagnostics channel) and silently drops everything after — the cap is a + * blast-radius bound, so "how much was lost" intentionally stays unmeasured. + */ +export class LogBuffer { + private remaining: number + private truncated = false + // Explicit fields, not constructor parameter properties: this module loads + // under Node's native strip-only mode, which rejects non-erasable syntax — + // and parameter properties are non-erasable. + private readonly maxBytes: number + private readonly sink: (entry: CodeLogEntry) => void + + constructor(maxBytes: number, sink: (entry: CodeLogEntry) => void) { + this.maxBytes = maxBytes + this.sink = sink + this.remaining = maxBytes + } + + /** + * Emit one entry to the sink, charging its text against the budget (drops + marks once exhausted). + * @param entry - the log entry to deliver. + */ + push(entry: CodeLogEntry): void { + if (this.truncated) return + const cost = Buffer.byteLength(entry.text, 'utf8') + if (cost > this.remaining) { + this.truncated = true + this.sink({ source: 'stderr', text: logTruncationMarker(this.maxBytes) }) + return + } + this.remaining -= cost + this.sink(entry) + } +} + +/** The five console methods the shim captures, in the seam's level vocabulary. */ +const CONSOLE_LEVELS = ['log', 'info', 'warn', 'error', 'debug'] as const + +/** + * A `console` replacement whose five leveled methods render their arguments + * `util.inspect`-style (matching real console formatting closely enough for + * a model to recognize its own output) into the buffer. Only these five + * exist — the program gets a deliberately small console, not Node's full + * surface. + * @param logs - the buffer every rendered line is pushed into. + * @returns the five-method console object handed to the program. + */ +export function makeConsoleShim(logs: LogBuffer): Record<(typeof CONSOLE_LEVELS)[number], (...args: unknown[]) => void> { + const render = (args: unknown[]): string => + args.map(arg => typeof arg === 'string' ? arg : inspect(arg, INSPECT_OPTIONS)).join(' ') + const shim = Object.create(null) as Record<(typeof CONSOLE_LEVELS)[number], (...args: unknown[]) => void> + for (const level of CONSOLE_LEVELS) { + shim[level] = (...args: unknown[]) => { logs.push({ source: 'console', level, text: render(args) }) } + } + return shim +} + +/** + * Redirect a stream's `write` into the log buffer (the program-visible + * `process.stdout`/`process.stderr` in the real worker), so raw writes land + * in emission order alongside console output instead of racing down a pipe. + * The shim keeps Node's `write(chunk[, encoding][, callback])` contract: the + * callback fires asynchronously once the chunk is admitted (a program + * awaiting flush completion must complete, not sit until the wall timeout), + * even for writes the exhausted budget drops. + * @param logs - the buffer captured writes are pushed into. + * @param stream - the stream whose `write` slot is patched. + * @param source - the log source the captured writes are attributed to. + * @returns the restore function (the in-process tests un-patch; the real + * worker never needs to). + */ +export function captureStreamWrites(logs: LogBuffer, stream: PatchableStream, source: 'stdout' | 'stderr'): () => void { + // The slot's VALUE is stored for restore and reassigned — never invoked + // detached, so the unbound-method concern does not apply. + // eslint-disable-next-line @typescript-eslint/unbound-method + const original = stream.write + stream.write = (chunk: unknown, ...rest: unknown[]): boolean => { + logs.push({ source, text: typeof chunk === 'string' ? chunk : String(chunk) }) + // Node's optional-encoding shape: the callback is whichever of the next + // two positions holds a function (a non-function there is the encoding). + const callback = [rest[0], rest[1]].find( + (arg): arg is (error?: Error | null) => void => typeof arg === 'function', + ) + if (callback) queueMicrotask(() => { callback(null) }) + return true + } + return () => { stream.write = original } +} + +/** Bounded inspect options: deep enough to be useful, bounded so a pathological value cannot explode the rendering. */ +const INSPECT_OPTIONS = { depth: 4, maxArrayLength: 100, maxStringLength: 10_000 } as const + +/** + * The longest prefix of `text` whose UTF-8 encoding fits `maxBytes`, cut at + * a code-point boundary (never mid-surrogate-pair). The byte caps are BYTE + * caps — `String.prototype.slice` counts UTF-16 code units, up to 3× smaller + * than what a multibyte string actually costs across the boundary. + * @param text - the string to bound. + * @param maxBytes - the UTF-8 byte budget the prefix must fit. + * @returns the prefix (all of `text` when it already fits). + */ +export function truncateUtf8Bytes(text: string, maxBytes: number): string { + if (Buffer.byteLength(text, 'utf8') <= maxBytes) return text + let bytes = 0 + let end = 0 + for (const char of text) { + const cost = Buffer.byteLength(char, 'utf8') + if (bytes + cost > maxBytes) break + bytes += cost + end += char.length + } + return text.slice(0, end) +} + +/** + * Prepare the program's completion value for the done message: a value whose + * MEASURED cross-boundary size fits `maxValueBytes` crosses raw — exact + * bytes for a string, the structured-clone wire size (`v8.serialize`) for + * everything else, so a huge container whose BOUNDED inspect rendering + * happens to be small cannot smuggle itself past the cap. Anything else + * (non-cloneable, or oversized) is REPLACED by its bounded `util.inspect` + * rendering, byte-truncated ({@link truncateUtf8Bytes}) with an in-band + * marker — the seam contract's "a non-transferable value is replaced by a + * string rendering", extended to oversized ones so a huge return cannot + * flood the host. + * @param value - the program's completion value. + * @param maxValueBytes - the byte cap for the value. + * @returns the done-message fragment: `{}` for `undefined`, else `{ value }`. + */ +export function prepareValue(value: unknown, maxValueBytes: number): { value?: unknown } { + if (value === undefined) return {} + if (typeof value === 'string') { + if (Buffer.byteLength(value, 'utf8') <= maxValueBytes) return { value } + } else { + let size: number | undefined + try { + size = serialize(value).byteLength + } catch { + // Only the verdict matters: the value has parts the structured-clone + // algorithm rejects (functions, classes, …) and must cross as its + // rendering instead. + size = undefined + } + if (size !== undefined && size <= maxValueBytes) return { value } + } + const rendered = typeof value === 'string' ? value : inspect(value, INSPECT_OPTIONS) + const capped = Buffer.byteLength(rendered, 'utf8') > maxValueBytes + ? `${truncateUtf8Bytes(rendered, maxValueBytes)}… [truncated]` + : rendered + return { value: capped } +} + +/** One awaited binding call's settlement handles, keyed by call id in the pending map. */ +export interface PendingCall { + resolve(value: unknown): void + reject(error: Error): void +} + +/** + * Route host replies into the pending-call map: each reply settles its call + * at most once, and a reply for an unknown id (stray, or a duplicate answer + * to an id already settled) is ignored. Shared wiring between + * {@link runWorkerMain} and the tests that exercise {@link makeNamespaces} + * standalone. + * @param port - the port whose `message` events carry the replies. + * @param pending - the id-keyed map of unsettled binding calls. + */ +export function wireReplies(port: BootstrapPort, pending: Map<number, PendingCall>): void { + port.on('message', (message: ReplyMessage) => { + const entry = pending.get(message.id) + if (!entry) return + pending.delete(message.id) + if (message.ok) entry.resolve(message.value) + else entry.reject(new Error(message.message)) + }) +} + +/** + * Build the binding namespace objects the program sees: one null-prototype + * global per namespace, each declared name an own enumerable async function + * that bridges over the port (`__proto__`/`constructor`/`toString` are + * ordinary keys, never prototype collisions). A non-cloneable argument + * rejects that one call with a descriptive error; the host's reply (`ok` + * false) rejects it likewise, so a failed tool call surfaces in the program + * as an ordinary promise rejection. + * @param data - the boot payload's namespace declarations (globals + names). + * @param port - the port binding calls are posted to. + * @param pending - the id-keyed map each posted call parks its handles in. + * @param nextId - the shared mutable id counter (worker-issued correlation ids). + * @returns one namespace object per declaration, in declaration order. + */ +export function makeNamespaces( + data: Pick<WorkerBootData, 'namespaces'>, + port: BootstrapPort, + pending: Map<number, PendingCall>, + nextId: { value: number }, +): Record<string, unknown>[] { + return data.namespaces.map(({ global, names }) => { + const namespace = Object.create(null) as Record<string, unknown> + for (const name of names) { + Object.defineProperty(namespace, name, { + enumerable: true, + value: (args: unknown): Promise<unknown> => new Promise((resolve, reject) => { + const id = nextId.value++ + pending.set(id, { resolve, reject }) + try { + port.postMessage({ type: 'call', id, global, name, args }) + } catch (error: unknown) { + pending.delete(id) + reject(new Error(`binding arguments must be structured-cloneable: ${error instanceof Error ? error.message : String(error)}`)) + } + }), + }) + } + return namespace + }) +} + +/** + * Run one program to settlement and post the {@link DoneMessage}: wires the + * reply handler, materializes the namespaces and console shim, compiles the + * type-stripped body as an async function (top-level `await`/`return` + * work), and reports a thrown program error as the done message's `error` + * field. Exactly one done message is ever posted. + * @param port - the message port to the host (the real `parentPort`, or the tests' fake). + * @param data - the boot payload the host sent. + * @param streams - the stream objects whose `write` is captured (the real + * `process.stdout`/`process.stderr` in the worker; fakes in tests). + * @returns resolves after the done message is posted (the tests await it; + * the real entry lets the worker exit naturally). + */ +export async function runWorkerMain( + port: BootstrapPort, + data: WorkerBootData, + streams: { stdout: PatchableStream; stderr: PatchableStream }, +): Promise<void> { + const logs = new LogBuffer(data.maxLogBytes, (entry) => { port.postMessage({ type: 'log', entry }) }) + captureStreamWrites(logs, streams.stdout, 'stdout') + captureStreamWrites(logs, streams.stderr, 'stderr') + + const pending = new Map<number, PendingCall>() + wireReplies(port, pending) + + const nextId = { value: 1 } + const namespaces = makeNamespaces(data, port, pending, nextId) + const consoleShim = makeConsoleShim(logs) + + let done: DoneMessage + try { + // The async function constructor, reached through an instance because + // `AsyncFunction` is not a global. The program body is strict-mode. + /* v8 ignore next -- the arrow exists only to reach the AsyncFunction constructor; it is never invoked. */ + const AsyncFunction = (async () => {}).constructor as new (...args: string[]) => (...fnArgs: unknown[]) => Promise<unknown> + const fn = new AsyncFunction(...data.namespaces.map(namespace => namespace.global), 'console', `'use strict';\n${data.code}`) + const value = await fn(...namespaces, consoleShim) + done = { type: 'done', ...prepareValue(value, data.maxValueBytes) } + } catch (error: unknown) { + const message = error instanceof Error ? error.stack ?? error.message : String(error) + done = { type: 'done', error: { message } } + } + port.postMessage(done) +} diff --git a/packages/code-runtime/code-runtime-worker/src/index.ts b/packages/code-runtime/code-runtime-worker/src/index.ts new file mode 100644 index 0000000000..f78f06cb0b --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/src/index.ts @@ -0,0 +1,441 @@ +/** + * Worker-thread implementation of the code-execution seam: one fresh Node + * worker per run, executing the model's TypeScript after a host-side + * type-strip, with bindings bridged over the message port. Containment, not + * a security boundary (bash-equivalent trust — see the Code Mode RFC's + * trust-posture section): the worker gets an EMPTY environment, a heap cap, + * and two independent budgets — `computeMs` metered on the worker's + * measured event-loop busy time (a hot loop cannot hide behind a pending + * binding call) and a never-pausing `maxWallMs` ceiling — all funneling + * into `worker.terminate()`, which ends hot synchronous loops too. + * + * @module @deepseek-ai/dsh-code-runtime-worker + */ + +import { Worker } from 'node:worker_threads' +import { stripTypeScriptTypes } from 'node:module' +import { Context } from 'cordis' +import z from 'schemastery' +import { CodeRuntime } from '@deepseek-ai/dsh-code-runtime' +import type { CodeBindingFunction, CodeLogEntry, CodeRunFailure, CodeRunRequest, CodeRunResult } from '@deepseek-ai/dsh-code-runtime' +import { prepareValue, truncateUtf8Bytes } from './bootstrap.ts' +import { logTruncationMarker } from './protocol.ts' +import type { ReplyMessage, WorkerBootData, WorkerToHost } from './protocol.ts' + +export type { BootstrapPort, PatchableStream } from './bootstrap.ts' +export type { CallMessage, DoneMessage, ReplyMessage, WorkerBootData, WorkerToHost } from './protocol.ts' + +/** Plugin config: every execution cap, changeable from `cordis.yml` (no hardcoded tunables). */ +export interface Config { + /** + * Busy-time budget in milliseconds: the run fails with kind `'timeout'` + * once the worker's MEASURED event-loop active time + * (`worker.performance.eventLoopUtilization()`) exceeds this. Metering + * measured busy time — not wall time, not host-side pending-call + * bookkeeping — is what makes the budget both fair (a program awaiting a + * slow tool accrues nothing) and ungameable (a hot loop accrues whether + * or not a decoy dispatch is in flight). + */ + computeMs?: number + /** + * Wall-clock ceiling in milliseconds; never pauses for anything. The + * backstop for what busy-time cannot see (a program awaiting a promise + * nobody will resolve). + */ + maxWallMs?: number + /** Shared byte budget for captured log text (console + raw stream writes), truncation marked in-band. */ + maxLogBytes?: number + /** + * Byte cap for the completion value, measured by its real cross-boundary + * size (string bytes, or structured-clone wire size); an oversized or + * non-cloneable value crosses as a capped string rendering. + */ + maxValueBytes?: number + /** The worker's max old-generation heap in MiB (`resourceLimits`); overflow kills the worker, surfacing as kind `'worker-exit'`. */ + maxOldGenerationSizeMb?: number +} + +/** {@link Config} after schemastery fills the defaults (every field present). */ +type ResolvedConfig = Required<Config> + +/** + * How often the host samples the worker's event-loop utilization for the + * `computeMs` budget. An internal cadence, not config: the only effect of + * the interval is budget-expiry granularity (a run can overshoot by up to + * one interval), and nothing a deployment could tune here improves that + * without burning host CPU. + */ +const ELU_POLL_INTERVAL_MS = 25 + +/** ECMAScript reserved words that cannot be async-function parameter names — rejected as binding globals. */ +const RESERVED_WORDS = new Set([ + 'await', 'break', 'case', 'catch', 'class', 'const', 'continue', 'debugger', 'default', 'delete', 'do', + 'else', 'enum', 'export', 'extends', 'false', 'finally', 'for', 'function', 'if', 'import', 'in', + 'instanceof', 'new', 'null', 'return', 'super', 'switch', 'this', 'throw', 'true', 'try', 'typeof', + 'var', 'void', 'while', 'with', 'yield', 'let', 'static', 'implements', 'interface', 'package', + 'private', 'protected', 'public', 'arguments', 'eval', +]) + +/** Valid async-function parameter name (the binding global becomes one). */ +const IDENTIFIER = /^[A-Za-z_$][A-Za-z0-9_$]*$/ + +/** + * The shell a program is wrapped in for the type-strip, matching the + * grammatical context it will execute in (an async function body, where + * top-level `return` and `await` are legal — a bare module parse would + * reject the `return`). Strip mode is position-preserving (removed syntax + * becomes whitespace, nothing shifts), so the wrapper survives the strip + * byte-identical and the body slices back out with the model's own + * line/column positions intact. + */ +const STRIP_WRAP = { prefix: 'async function __dsh_program__() {\n', suffix: '\n}' } as const + +/** One in-flight run's host-side state, tracked for disposal. */ +interface LiveRun { + worker: Worker + settle(failure: CodeRunFailure): void + finished: Promise<void> +} + +/** + * The worker entry module. Source runs unbuilt (`src/worker.ts`, loadable + * directly on this repo's Node range via native type stripping — the file + * is erasable-only with type-only relative imports); the built package + * ships it as a sibling bundle (`lib/worker.js`, its own tsdown entry). + * The URL *pathname*'s extension says which world this module is in — + * pathname, because dev-time module runners (vitest) may suffix + * `import.meta.url` with a query string; relative resolution drops it. + */ +/* v8 ignore next -- the './worker.js' arm is the built-lib world, unreachable unbuilt by construction; the built-lib e2e pins it. */ +const WORKER_URL = new URL(new URL(import.meta.url).pathname.endsWith('.ts') ? './worker.ts' : './worker.js', import.meta.url) + +/** Render an unknown thrown value as a message, `Error` or not. */ +function messageOf(error: unknown): string { + return error instanceof Error ? error.message : String(error) +} + +/** The log sources / console levels the seam vocabulary admits, as runtime sets for inbound-message validation. */ +const LOG_SOURCES = new Set<string>(['console', 'stdout', 'stderr']) +const LOG_LEVELS = new Set<string>(['log', 'info', 'warn', 'error', 'debug']) + +/** + * Runtime shape gate for inbound port traffic. The peer runs MODEL CODE and + * can post anything — `null`, primitives, objects with poisoned fields — so + * the compile-time `WorkerToHost` type means nothing here: everything is + * re-validated and REBUILT field by field (a forged extra field never rides + * along; a non-number call id can never be echoed into a reply). Junk returns + * `undefined` and is dropped — a throw in the host's `message` listener would + * crash the host process. + */ +function parseWorkerMessage(raw: unknown): WorkerToHost | undefined { + if (typeof raw !== 'object' || raw === null) return undefined + const m = raw as Record<string, unknown> + switch (m.type) { + case 'call': { + if (typeof m.id !== 'number' || typeof m.global !== 'string' || typeof m.name !== 'string') return undefined + return { type: 'call', id: m.id, global: m.global, name: m.name, args: m.args } + } + case 'log': { + const entry = m.entry + if (typeof entry !== 'object' || entry === null) return undefined + const e = entry as Record<string, unknown> + if (typeof e.text !== 'string') return undefined + if (typeof e.source !== 'string' || !LOG_SOURCES.has(e.source)) return undefined + if (e.level !== undefined && (typeof e.level !== 'string' || !LOG_LEVELS.has(e.level))) return undefined + return { + type: 'log', + entry: { + source: e.source as CodeLogEntry['source'], + ...e.level !== undefined ? { level: e.level as Exclude<CodeLogEntry['level'], undefined> } : {}, + text: e.text, + }, + } + } + case 'done': { + if (m.error === undefined) return { type: 'done', ...m.value !== undefined ? { value: m.value } : {} } + const error = m.error + if (typeof error !== 'object' || error === null) return undefined + const message = (error as Record<string, unknown>).message + if (typeof message !== 'string') return undefined + return { type: 'done', ...m.value !== undefined ? { value: m.value } : {}, error: { message } } + } + default: return undefined + } +} + +/** + * Headroom the host's value re-cap grants over `maxValueBytes`: exactly the + * truncation suffix {@link prepareValue} appends, so a value the WORKER + * already capped (byte-exact prefix + this marker) passes through unchanged + * instead of being marked twice. + */ +const VALUE_RENDER_SLACK = Buffer.byteLength('… [truncated]', 'utf8') + +/** + * The shipped {@link CodeRuntime} backend (`ctx.codeRuntime`). Registers as + * the `codeRuntime` service; every cap comes from validated config. See the + * module doc for the containment model and the class JSDoc on the seam for + * the contract this implements (error-as-field, hostile-peer port, + * no cross-run state, dispose to quiescence). + */ +export class WorkerCodeRuntime extends CodeRuntime { + static Config: z<Config> = z.object({ + computeMs: z.number().default(60_000), + maxWallMs: z.number().default(600_000), + maxLogBytes: z.number().default(65_536), + maxValueBytes: z.number().default(32_768), + maxOldGenerationSizeMb: z.number().default(512), + }) + + readonly language = 'typescript' + readonly isolation = 'worker-thread' + + private readonly config: ResolvedConfig + private readonly live = new Set<LiveRun>() + private disposed = false + + constructor(ctx: Context, config: Config) { + super(ctx) + // Schemastery filled the defaults; the cast records that. Positivity is a + // semantic check the schema's plain number type does not carry. + this.config = config as ResolvedConfig + for (const [key, value] of Object.entries(this.config)) { + if (!(Number.isFinite(value) && value > 0)) throw new Error(`dsh-code-runtime-worker: config.${key} must be a positive number, got ${String(value)}`) + } + ctx.effect(() => () => this.teardown(), 'worker code-runtime teardown') + } + + /** + * Dispose to quiescence: mark the service unusable, fail every in-flight + * run as aborted, and AWAIT each worker's exit so no worker outlives the + * fiber. + */ + private async teardown(): Promise<void> { + this.disposed = true + const runs = [...this.live] + for (const run of runs) run.settle({ kind: 'abort', message: 'runtime disposed' }) + await Promise.all(runs.map(run => run.finished)) + } + + /** + * Execute one program in a fresh worker. Program outcomes — including a + * type-strip syntax error, which never spawns a worker — resolve with + * `result.error`; the method rejects only for seam misuse (a disposed + * runtime, an invalid binding namespace). + * @param request - the program, its bindings, and the abort signal. + * @returns the run's outcome per the seam contract. + */ + async run(request: CodeRunRequest): Promise<CodeRunResult> { + if (this.disposed) throw new Error('dsh-code-runtime-worker: run() after disposal') + const bindings = this.validateBindings(request) + if (request.signal?.aborted) { + return { logs: [], error: { kind: 'abort', message: String(request.signal.reason) } } + } + + let code: string + try { + const stripped = stripTypeScriptTypes(STRIP_WRAP.prefix + request.program + STRIP_WRAP.suffix) + code = stripped.slice(STRIP_WRAP.prefix.length, stripped.length - STRIP_WRAP.suffix.length) + } catch (error: unknown) { + // A program that does not survive the type-strip (syntax error, + // non-erasable syntax like `enum`) is a program failure, reported the + // same way a thrown exception would be — and no worker ever spawns. + return { logs: [], error: { kind: 'exception', message: messageOf(error) } } + } + + return await this.execute(request, code, bindings) + } + + /** Reject (seam misuse) malformed binding namespaces: non-identifier or reserved globals, duplicates, and the `console` collision. */ + private validateBindings(request: CodeRunRequest): Map<string, Record<string, CodeBindingFunction>> { + const bindings = new Map<string, Record<string, CodeBindingFunction>>() + for (const namespace of request.bindings) { + if (!IDENTIFIER.test(namespace.global) || RESERVED_WORDS.has(namespace.global)) { + throw new Error(`dsh-code-runtime-worker: binding global ${JSON.stringify(namespace.global)} is not a usable identifier`) + } + if (namespace.global === 'console' || bindings.has(namespace.global)) { + throw new Error(`dsh-code-runtime-worker: duplicate binding global ${JSON.stringify(namespace.global)}`) + } + bindings.set(namespace.global, namespace.functions) + } + return bindings + } + + /** Spawn the worker for one validated, type-stripped run and drive it to settlement. */ + private execute( + request: CodeRunRequest, + code: string, + bindings: Map<string, Record<string, CodeBindingFunction>>, + ): Promise<CodeRunResult> { + const bootData: WorkerBootData = { + code, + namespaces: [...bindings].map(([global, functions]) => ({ global, names: Object.keys(functions) })), + maxLogBytes: this.config.maxLogBytes, + maxValueBytes: this.config.maxValueBytes, + } + const worker = new Worker(WORKER_URL, { + workerData: bootData, + // Model code gets NO ambient environment — stronger than the scrubbed + // env the defensive-patterns rule requires for spawned commands. + env: {}, + // Hermetic flags too: without this the worker inherits the host + // process's execArgv (a test runner's or tsx's loader hooks), which a + // bare isolate with an empty environment cannot satisfy. The entry + // needs nothing beyond native type stripping, on this repo's whole + // Node range. + execArgv: [], + resourceLimits: { maxOldGenerationSizeMb: this.config.maxOldGenerationSizeMb }, + // Backstop capture: the bootstrap patches JS-level writes into its own + // ordered buffer, so these pipes normally stay silent; anything that + // still arrives (native-level writes) is appended after the done logs. + stdout: true, + stderr: true, + }) + + return new Promise<CodeRunResult>((resolve) => { + let settled = false + const answered = new Set<number>() + const logs: CodeLogEntry[] = [] + const strayLogs: CodeLogEntry[] = [] + + // ONE host-side ledger for everything that lands in `logs`/`strayLogs`, + // whatever the path: honest port entries, FORGED port entries (model + // code posting `log` messages directly, bypassing the worker-side + // LogBuffer), and stray pipe bytes. On the first overflow it emits the + // same in-band marker the worker's LogBuffer would and drops the rest, + // so the documented cap is one shared `maxLogBytes` however it is hit. + let logBudget = this.config.maxLogBytes + let logsTruncated = false + const admit = (entry: CodeLogEntry, sink: CodeLogEntry[]): void => { + if (logsTruncated) return + const cost = Buffer.byteLength(entry.text, 'utf8') + if (cost > logBudget) { + logsTruncated = true + sink.push({ source: 'stderr', text: logTruncationMarker(this.config.maxLogBytes) }) + return + } + logBudget -= cost + sink.push(entry) + } + + // No settled guard: `finish` snapshots the arrays when it resolves, so + // a chunk flushing after settlement mutates only the discarded buffers, + // and the ledger bounds that growth until the pipes close. + const captureStray = (source: 'stdout' | 'stderr') => (chunk: Buffer) => { + admit({ source, text: chunk.toString('utf8') }, strayLogs) + } + worker.stdout.on('data', captureStray('stdout')) + worker.stderr.on('data', captureStray('stderr')) + + // Settlement: exactly one outcome wins; every path funnels through + // here, cleans up the timers/listeners, terminates the worker, and + // resolves only after the worker actually exited (quiescence). Logs + // streamed eagerly before the settlement are kept — a timed-out or + // killed program still shows the model what it printed. + let finishResolve!: () => void + const finished = new Promise<void>((done) => { finishResolve = done }) + const finish = (result: Omit<CodeRunResult, 'logs'>): void => { + if (settled) return + settled = true + clearInterval(eluTimer) + clearTimeout(wallTimer) + request.signal?.removeEventListener('abort', onAbort) + this.live.delete(live) + void worker.terminate().then(() => { + finishResolve() + resolve({ ...result, logs: [...logs, ...strayLogs] }) + }) + } + + const onDone = (message: WorkerToHost): void => { + if (message.type !== 'done') return + // Re-cap the completion value HOST-side: the honest path already + // capped it in the worker (prepareValue there), but a forged done + // message bypasses the bootstrap entirely — without this, model code + // could flood the host past maxValueBytes. Honest values pass + // unchanged (see VALUE_RENDER_SLACK); the error text is bounded too. + finish({ + ...prepareValue(message.value, this.config.maxValueBytes + VALUE_RENDER_SLACK), + ...message.error ? { error: { kind: 'exception' as const, message: truncateUtf8Bytes(message.error.message, this.config.maxValueBytes) } } : {}, + }) + } + + const onCall = (message: WorkerToHost): void => { + if (message.type !== 'call' || settled) return + // Hostile-peer rules: a duplicate id is ignored, an unknown name is + // answered with a failure, and a binding throw/reject becomes the + // program-side rejection — contained here, never a host crash. + if (answered.has(message.id)) return + answered.add(message.id) + const reply = (payload: ReplyMessage): void => { + if (settled) return + try { + worker.postMessage(payload) + } catch { + // The reply value failed structured clone; renegotiate as an error + // reply, which is always clone-plain. Nothing else throws here. + worker.postMessage({ type: 'reply', id: message.id, ok: false, message: 'binding resolution is not structured-cloneable' }) + } + } + const record = bindings.get(message.global) + // Own-property lookup only: a forged name like 'constructor' or + // 'hasOwnProperty' must not walk the record's prototype chain and + // reach a callable the consumer never declared. + const fn = record && Object.hasOwn(record, message.name) ? record[message.name] : undefined + if (typeof fn !== 'function') { + reply({ type: 'reply', id: message.id, ok: false, message: `unknown binding ${JSON.stringify(`${message.global}.${message.name}`)}` }) + return + } + void (async () => { + try { + reply({ type: 'reply', id: message.id, ok: true, value: await fn(message.args) }) + } catch (error: unknown) { + reply({ type: 'reply', id: message.id, ok: false, message: messageOf(error) }) + } + })() + } + + worker.on('message', (raw: unknown) => { + // Parse before touching: the peer can post ANY shape, and a throw in + // this listener would crash the host process. Junk drops silently. + const message = parseWorkerMessage(raw) + if (!message) return + if (message.type === 'log' && !settled) admit(message.entry, logs) + onCall(message) + onDone(message) + }) + worker.on('error', (error: Error) => { + finish({ error: { kind: 'worker-exit', message: `worker error: ${error.message}` } }) + }) + worker.on('exit', (exitCode: number) => { + finish({ error: { kind: 'worker-exit', message: `worker exited with code ${exitCode} before completing` } }) + }) + + // The compute budget reads the worker's own measured busy time, so a + // hot loop expires it no matter what dispatches are in flight, while a + // program idling on a slow binding accrues nothing. + const eluTimer = setInterval(() => { + const elu = worker.performance.eventLoopUtilization() + if (elu.active > this.config.computeMs) { + finish({ error: { kind: 'timeout', message: `compute budget exhausted (${this.config.computeMs}ms busy)` } }) + } + }, ELU_POLL_INTERVAL_MS) + const wallTimer = setTimeout(() => { + finish({ error: { kind: 'timeout', message: `wall-clock ceiling reached (${this.config.maxWallMs}ms)` } }) + }, this.config.maxWallMs) + const onAbort = (): void => { + finish({ error: { kind: 'abort', message: String(request.signal?.reason) } }) + } + request.signal?.addEventListener('abort', onAbort, { once: true }) + + const live: LiveRun = { + worker, + finished, + settle: (failure: CodeRunFailure) => { finish({ error: failure }) }, + } + this.live.add(live) + }) + } +} + +export default WorkerCodeRuntime diff --git a/packages/code-runtime/code-runtime-worker/src/protocol.ts b/packages/code-runtime/code-runtime-worker/src/protocol.ts new file mode 100644 index 0000000000..b8ea122c5b --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/src/protocol.ts @@ -0,0 +1,78 @@ +/** + * Wire protocol between the host runtime and the worker bootstrap. Everything + * crossing the message port is structured-clone-plain and versionless — both + * ends ship in this package, always at the same version. The host treats + * inbound traffic as HOSTILE (the worker runs model code, which can reach + * `parentPort` via `import('node:worker_threads')` and forge any of these + * shapes); the worker treats inbound traffic as trusted. + * + * @module @deepseek-ai/dsh-code-runtime-worker/src/protocol + */ + +import type { CodeLogEntry } from '@deepseek-ai/dsh-code-runtime' + +/** What the host hands the worker at spawn, via `workerData`. */ +export interface WorkerBootData { + /** The type-stripped (plain JS) program body. */ + code: string + /** Binding namespaces to materialize: the global name plus the function names (functions themselves stay host-side). */ + namespaces: { global: string; names: string[] }[] + /** Shared byte budget for captured log text; exceeding it drops further entries after one in-band marker. */ + maxLogBytes: number + /** Byte cap for the rendered completion value (see the value-preparation contract in bootstrap.ts). */ + maxValueBytes: number +} + +/** Worker → host: one bridged binding call. */ +export interface CallMessage { + type: 'call' + /** Worker-issued correlation id; the host answers each id at most once and ignores duplicates. */ + id: number + /** The namespace global the call targets. */ + global: string + /** The function name within the namespace. */ + name: string + /** The single argument, structured-clone-plain. */ + args: unknown +} + +/** Worker → host: one captured log entry, streamed eagerly so output survives a mid-run termination (timeout, abort, OOM). */ +export interface LogMessage { + type: 'log' + entry: CodeLogEntry +} + +/** + * Worker → host: the program settled. `error` carries a program exception + * (the only failure the bootstrap itself can report — budgets, aborts, and + * substrate death are observed host-side). `value` is present only on a + * clean completion that produced one (already size-capped and + * clone-safe per the bootstrap's value preparation). Logs are NOT carried + * here — they streamed eagerly as {@link LogMessage}s. + */ +export interface DoneMessage { + type: 'done' + value?: unknown + error?: { message: string } +} + +/** Every message the worker sends. */ +export type WorkerToHost = CallMessage | LogMessage | DoneMessage + +/** Host → worker: the answer to one {@link CallMessage}. */ +export type ReplyMessage = + | { type: 'reply'; id: number; ok: true; value: unknown } + | { type: 'reply'; id: number; ok: false; message: string } + +/** + * The in-band marker entry text announcing that log capture stopped at the + * byte budget. Shared wire vocabulary: the worker's LogBuffer emits it when + * ITS budget exhausts, and the host emits the identical text when its own + * ledger drops an entry first (forged port traffic, stray pipe bytes) — so + * a truncated run reads the same however the cap was hit. + * @param maxBytes - the configured `maxLogBytes` the marker names. + * @returns the marker line. + */ +export function logTruncationMarker(maxBytes: number): string { + return `[dsh-code-runtime-worker] log capture truncated at ${maxBytes} bytes` +} diff --git a/packages/code-runtime/code-runtime-worker/src/worker.ts b/packages/code-runtime/code-runtime-worker/src/worker.ts new file mode 100644 index 0000000000..efaafdb038 --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/src/worker.ts @@ -0,0 +1,20 @@ +/** + * The worker-thread entrypoint: self-executing glue over + * `bootstrap.ts`'s {@link runWorkerMain}, kept to the spawn wiring alone. + * Like `bin.ts` CLI entrypoints, this file executes only inside a spawned + * worker isolate — a place the coverage provider cannot observe — so it is + * excluded from the coverage gate while every line of actual logic lives in + * `bootstrap.ts`, unit-tested in-process; the real spawn path is pinned by + * the integration tests that run genuine workers. + * + * @module @deepseek-ai/dsh-code-runtime-worker/src/worker + */ + +import { parentPort, workerData } from 'node:worker_threads' +import { runWorkerMain } from './bootstrap.ts' +import type { WorkerBootData } from './protocol.ts' + +// A worker always has a parent port; guard loudly rather than run detached. +if (!parentPort) throw new Error('dsh-code-runtime-worker: worker entry loaded outside a worker thread') + +await runWorkerMain(parentPort, workerData as WorkerBootData, { stdout: process.stdout, stderr: process.stderr }) diff --git a/packages/code-runtime/code-runtime-worker/tests/bootstrap.spec.ts b/packages/code-runtime/code-runtime-worker/tests/bootstrap.spec.ts new file mode 100644 index 0000000000..e41f4455bb --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/tests/bootstrap.spec.ts @@ -0,0 +1,273 @@ +import { describe, expect, it } from 'vitest' +import { EventEmitter } from 'node:events' +import { LogBuffer, makeConsoleShim, makeNamespaces, captureStreamWrites, prepareValue, runWorkerMain, truncateUtf8Bytes, wireReplies } from '@deepseek-ai/dsh-code-runtime-worker/src/bootstrap.ts' +import type { BootstrapPort, PatchableStream, PendingCall } from '@deepseek-ai/dsh-code-runtime-worker/src/bootstrap.ts' +import type { ReplyMessage, WorkerToHost } from '@deepseek-ai/dsh-code-runtime-worker/src/protocol.ts' +import type { CodeLogEntry } from '@deepseek-ai/dsh-code-runtime' + +/** + * An in-process stand-in for the worker's parentPort: the test plays the + * HOST side — inspect what the bootstrap posted, feed replies back — so + * every line of worker-side logic runs under coverage without spawning an + * isolate (real-worker behavior is pinned by runtime.spec.ts). + */ +class FakePort implements BootstrapPort { + sent: WorkerToHost[] = [] + private readonly emitter = new EventEmitter() + /** Host-scripted responder; return undefined to leave the call pending. */ + respond: (message: WorkerToHost) => ReplyMessage | undefined = () => undefined + + postMessage(message: WorkerToHost): void { + this.sent.push(message) + const reply = this.respond(message) + if (reply) queueMicrotask(() => this.emitter.emit('message', reply)) + } + + on(event: 'message', listener: (message: ReplyMessage) => void): void { + this.emitter.on(event, listener) + } + + deliver(message: ReplyMessage): void { + this.emitter.emit('message', message) + } + + logs(): CodeLogEntry[] { + return this.sent.filter(message => message.type === 'log').map(message => message.entry) + } + + done(): WorkerToHost | undefined { + return this.sent.find(message => message.type === 'done') + } +} + +function fakeStreams(): { stdout: PatchableStream; stderr: PatchableStream } { + return { stdout: { write: () => true }, stderr: { write: () => true } } +} + +const BOOT = { maxLogBytes: 65_536, maxValueBytes: 32_768 } + +describe('LogBuffer', () => { + it('streams entries to the sink until the byte budget, then emits one marker and drops the rest', () => { + const seen: CodeLogEntry[] = [] + const buffer = new LogBuffer(10, entry => seen.push(entry)) + buffer.push({ source: 'console', level: 'log', text: '12345' }) + buffer.push({ source: 'console', level: 'log', text: '123456' }) + buffer.push({ source: 'console', level: 'log', text: 'dropped' }) + expect(seen.map(entry => entry.text)).toEqual([ + '12345', + '[dsh-code-runtime-worker] log capture truncated at 10 bytes', + ]) + }) +}) + +describe('makeConsoleShim', () => { + it('captures the five levels and renders non-strings inspect-style', () => { + const seen: CodeLogEntry[] = [] + const shim = makeConsoleShim(new LogBuffer(1_000, entry => seen.push(entry))) + shim.log('plain', { a: 1 }) + shim.info('i') + shim.warn('w') + shim.error('e') + shim.debug('d') + expect(seen.map(entry => entry.level)).toEqual(['log', 'info', 'warn', 'error', 'debug']) + expect(seen[0]?.text).toBe('plain { a: 1 }') + expect(seen.every(entry => entry.source === 'console')).toBe(true) + }) +}) + +describe('captureStreamWrites', () => { + it('redirects writes into the buffer and restores on request', () => { + const seen: CodeLogEntry[] = [] + const buffer = new LogBuffer(1_000, entry => seen.push(entry)) + let underlying = '' + const stream: PatchableStream = { write: (chunk: unknown) => { underlying += String(chunk); return true } } + const restore = captureStreamWrites(buffer, stream, 'stdout') + stream.write('captured', 'utf8') + stream.write(Buffer.from('bytes')) + restore() + stream.write('after') + expect(seen.map(entry => entry.text)).toEqual(['captured', 'bytes']) + expect(seen[0]).toMatchObject({ source: 'stdout' }) + expect(underlying).toBe('after') + }) + + it('invokes the write callback asynchronously, in both optional-encoding shapes', async () => { + const buffer = new LogBuffer(1_000, () => {}) + const stream: PatchableStream = { write: () => true } + captureStreamWrites(buffer, stream, 'stdout') + const calls: (Error | null | undefined)[] = [] + stream.write('two-arg', (error?: Error | null) => calls.push(error)) + stream.write('three-arg', 'utf8', (error?: Error | null) => calls.push(error)) + // Node's contract: the callback fires after the write call returns. + expect(calls).toEqual([]) + await new Promise<void>(resolve => stream.write('awaited flush', resolve)) + expect(calls).toEqual([null, null]) + }) + + it('still fires the callback for a write the exhausted budget drops', async () => { + const buffer = new LogBuffer(4, () => {}) + const stream: PatchableStream = { write: () => true } + captureStreamWrites(buffer, stream, 'stdout') + stream.write('this write overflows the budget and is dropped') + await new Promise<void>(resolve => stream.write('also dropped', resolve)) + }) +}) + +describe('prepareValue', () => { + it('omits undefined, passes small cloneable values raw', () => { + expect(prepareValue(undefined, 100)).toEqual({}) + expect(prepareValue({ a: [1, 'two'] }, 100)).toEqual({ value: { a: [1, 'two'] } }) + }) + + it('replaces a non-cloneable value with its rendering', () => { + const { value } = prepareValue({ fn: () => 1 }, 1_000) + expect(typeof value).toBe('string') + expect(value).toContain('fn') + }) + + it('replaces an oversized value with a truncation-marked capped rendering', () => { + const { value } = prepareValue('x'.repeat(50), 10) + expect(value).toBe(`${'x'.repeat(10)}… [truncated]`) + }) + + it('measures a container by its structured-clone wire size, not its bounded rendering', () => { + // The bounded inspect rendering of a huge array is tiny ("... N more + // items"), but its real cross-boundary size is not — the cap must catch + // it, replacing the value with that bounded rendering. + const huge = new Array(50_000).fill(7) + const { value } = prepareValue(huge, 1_000) + expect(typeof value).toBe('string') + expect(value).toContain('more items') + }) + + it('caps a multibyte string by UTF-8 bytes, not UTF-16 length', () => { + // 4 code units but 12 UTF-8 bytes: a length-counting cap would pass the + // full string through untruncated. + expect(prepareValue('€€€€', 4)).toEqual({ value: '€… [truncated]' }) + }) + + it('caps a multibyte rendering by UTF-8 bytes too', () => { + // Wire size (24-byte string inside an array) exceeds the cap, so the + // value crosses as its rendering — whose truncation must also be + // byte-exact: "[ '" (3 bytes) + two € (6 bytes) = 9; a third € would + // overflow the 10-byte budget. + expect(prepareValue(['€€€€€€€€'], 10)).toEqual({ value: "[ '€€… [truncated]" }) + }) +}) + +describe('truncateUtf8Bytes', () => { + it('returns a fitting string whole', () => { + expect(truncateUtf8Bytes('fits', 4)).toBe('fits') + }) + + it('cuts at a code-point boundary, never mid-surrogate-pair', () => { + // Each 😀 is one code point, two code units, four UTF-8 bytes: a 5-byte + // budget fits exactly one — and never leaves a lone surrogate behind. + const cut = truncateUtf8Bytes('😀😀', 5) + expect(cut).toBe('😀') + expect(Buffer.byteLength(truncateUtf8Bytes('😀😀', 3), 'utf8')).toBe(0) + }) +}) + +describe('makeNamespaces', () => { + it('exposes prototype-colliding names as ordinary own properties', async () => { + const port = new FakePort() + port.respond = message => message.type === 'call' ? { type: 'reply', id: message.id, ok: true, value: `${message.name}-ok` } : undefined + const pending = new Map<number, PendingCall>() + wireReplies(port, pending) + const [tools] = makeNamespaces({ namespaces: [{ global: 'tools', names: ['__proto__', 'constructor', 'toString'] }] }, port, pending, { value: 1 }) as [Record<string, (args: unknown) => Promise<unknown>>] + expect(Object.getPrototypeOf(tools)).toBeNull() + await expect(tools['__proto__']?.({})).resolves.toBe('__proto__-ok') + await expect(tools['constructor']?.({})).resolves.toBe('constructor-ok') + await expect(tools['toString']?.({})).resolves.toBe('toString-ok') + }) + + it('rejects a non-cloneable argument without leaking the pending entry', async () => { + let firstCall = true + const throwingPort: BootstrapPort = { + // First call throws an Error (the real DataCloneError shape), the + // second a bare string — the rejection renders both. + postMessage: () => { + if (firstCall) { firstCall = false; throw new Error('DataCloneError-ish') } + throw 'raw-clone-failure' + }, + on: () => {}, + } + const pending = new Map<number, PendingCall>() + const [tools] = makeNamespaces({ namespaces: [{ global: 'tools', names: ['x'] }] }, throwingPort, pending, { value: 1 }) as [Record<string, (args: unknown) => Promise<unknown>>] + await expect(tools.x?.(() => 1)).rejects.toThrow(/structured-cloneable: DataCloneError-ish/) + await expect(tools.x?.(() => 1)).rejects.toThrow(/structured-cloneable: raw-clone-failure/) + expect(pending.size).toBe(0) + }) +}) + +describe('runWorkerMain', () => { + it('runs a program end-to-end: bindings, console, return value', async () => { + const port = new FakePort() + port.respond = message => message.type === 'call' ? { type: 'reply', id: message.id, ok: true, value: (message.args as { n: number }).n * 2 } : undefined + await runWorkerMain(port, { + ...BOOT, + code: 'const doubled = await tools.double({ n: 21 }); console.log("got", doubled); return { doubled };', + namespaces: [{ global: 'tools', names: ['double'] }], + }, fakeStreams()) + expect(port.logs()).toEqual([{ source: 'console', level: 'log', text: 'got 42' }]) + expect(port.done()).toEqual({ type: 'done', value: { doubled: 42 } }) + }) + + it('reports a thrown program error on the done message', async () => { + const port = new FakePort() + await runWorkerMain(port, { ...BOOT, code: 'throw new Error("boom")', namespaces: [] }, fakeStreams()) + const done = port.done() + expect(done?.type).toBe('done') + expect(done?.type === 'done' ? done.error?.message : undefined).toContain('boom') + expect(done?.type === 'done' ? done.value : undefined).toBeUndefined() + }) + + it('renders non-Error throws and stack-less Errors on the done message', async () => { + const rawPort = new FakePort() + await runWorkerMain(rawPort, { ...BOOT, code: 'throw "raw-throw"', namespaces: [] }, fakeStreams()) + expect(rawPort.done()).toEqual({ type: 'done', error: { message: 'raw-throw' } }) + + const barePort = new FakePort() + await runWorkerMain(barePort, { ...BOOT, code: 'const e = new Error("bare"); e.stack = undefined; throw e', namespaces: [] }, fakeStreams()) + expect(barePort.done()).toEqual({ type: 'done', error: { message: 'bare' } }) + }) + + it('surfaces a host failure reply as a program-side rejection it can catch', async () => { + const port = new FakePort() + port.respond = message => message.type === 'call' ? { type: 'reply', id: message.id, ok: false, message: 'denied by host' } : undefined + await runWorkerMain(port, { + ...BOOT, + code: 'try { await tools.x({}) } catch (error) { return `caught: ${error.message}` }', + namespaces: [{ global: 'tools', names: ['x'] }], + }, fakeStreams()) + expect(port.done()).toEqual({ type: 'done', value: 'caught: denied by host' }) + }) + + it('ignores replies for unknown pending ids', async () => { + const port = new FakePort() + port.respond = (message) => { + if (message.type !== 'call') return undefined + // Deliver a stray reply first; the real one follows. + port.deliver({ type: 'reply', id: 9_999, ok: true, value: 'stray' }) + return { type: 'reply', id: message.id, ok: true, value: 'real' } + } + await runWorkerMain(port, { + ...BOOT, + code: 'return await tools.x({})', + namespaces: [{ global: 'tools', names: ['x'] }], + }, fakeStreams()) + expect(port.done()).toEqual({ type: 'done', value: 'real' }) + }) + + it('captures raw stream writes through the patched process streams', async () => { + const port = new FakePort() + const streams = fakeStreams() + await runWorkerMain(port, { ...BOOT, code: 'return 1', namespaces: [] }, streams) + streams.stdout.write('never seen — already restored? no: patch persists in worker') + // The patch stays installed for the worker's lifetime; writes during the + // program landed in order. Here the program wrote nothing via streams, so + // only the post-run write above went through the patched slot. + expect(port.logs().at(-1)).toMatchObject({ source: 'stdout' }) + }) +}) diff --git a/packages/code-runtime/code-runtime-worker/tests/built-lib.e2e.ts b/packages/code-runtime/code-runtime-worker/tests/built-lib.e2e.ts new file mode 100644 index 0000000000..66ce1830b6 --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/tests/built-lib.e2e.ts @@ -0,0 +1,55 @@ +import { spawn } from 'node:child_process' +import { existsSync } from 'node:fs' +import { join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { describe, expect, it } from 'vitest' + +/** + * BUILT-ARTIFACT smoke for the published package (the real-load-path guard + * from docs/testing.md): the unit suite runs `src/` under vitest, where the + * worker entry resolves to `src/worker.ts` — a consumer runs `lib/index.js` + * under plain `node`, where it must resolve the sibling `lib/worker.js` + * bundle instead. This spawns plain `node` (NOT tsx) from inside the package + * directory and imports the package BY NAME, so resolution flows through the + * real `exports` map exactly as it would from a downstream install; the + * program exercises the type-strip, the worker spawn, the binding bridge, + * and log capture end-to-end through the built bundles. + * + * It build-gates: SKIPS when the built artifacts are absent (suite run + * without `pnpm run build`); CI runs it after the build step. KEYLESS — no + * model is involved. + */ + +const pkgDir = fileURLToPath(new URL('..', import.meta.url)) +const built = ['lib/index.js', 'lib/worker.js'].every(file => existsSync(join(pkgDir, file))) + && existsSync(join(pkgDir, '../code-runtime/lib/index.js')) + +describe.skipIf(!built)('built lib real load path (plain node)', () => { + it('runs a TypeScript program with a binding through lib/index.js and its lib/worker.js entry', async () => { + const script = ` + const { Context } = await import('cordis') + const { WorkerCodeRuntime } = await import('@deepseek-ai/dsh-code-runtime-worker') + const ctx = new Context() + await ctx.plugin(WorkerCodeRuntime, {}) + const result = await ctx.codeRuntime.run({ + program: 'const doubled: number = await tools.double({ n: 21 }); console.log("halfway", doubled); return doubled;', + bindings: [{ global: 'tools', functions: { double: async args => args.n * 2 } }], + }) + console.log(JSON.stringify(result)) + process.exit(0) + ` + const child = spawn(process.execPath, ['--input-type=module', '-e', script], { cwd: pkgDir, stdio: ['ignore', 'pipe', 'pipe'] }) + let stdout = '' + let stderr = '' + child.stdout.on('data', (chunk: Buffer) => { stdout += chunk.toString('utf8') }) + child.stderr.on('data', (chunk: Buffer) => { stderr += chunk.toString('utf8') }) + const exitCode = await new Promise<number | null>(resolve => child.on('close', resolve)) + + expect(exitCode, `stderr:\n${stderr}`).toBe(0) + const lastLine = stdout.trim().split('\n').at(-1) ?? '' + const result = JSON.parse(lastLine) as { value?: unknown; logs: { source: string; level?: string; text: string }[]; error?: unknown } + expect(result.error).toBeUndefined() + expect(result.value).toBe(42) + expect(result.logs).toContainEqual({ source: 'console', level: 'log', text: 'halfway 42' }) + }) +}) diff --git a/packages/code-runtime/code-runtime-worker/tests/runtime.spec.ts b/packages/code-runtime/code-runtime-worker/tests/runtime.spec.ts new file mode 100644 index 0000000000..edc2bd1271 --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/tests/runtime.spec.ts @@ -0,0 +1,451 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { WorkerCodeRuntime } from '@deepseek-ai/dsh-code-runtime-worker' +import type { Config } from '@deepseek-ai/dsh-code-runtime-worker' +import type { CodeRunResult } from '@deepseek-ai/dsh-code-runtime' + +/** + * Integration suite over REAL worker threads (no mocks — workers are cheap + * and local, per docs/testing.md's real-over-mock policy). Each test builds + * a fresh context so budgets can be tuned per case. + */ +async function setup(config: Config = {}) { + const ctx = new Context() + await ctx.plugin(WorkerCodeRuntime, config) + const runtime = ctx.codeRuntime as WorkerCodeRuntime + return { ctx, runtime } +} + +/** Convenience: one namespace `tools` with the given functions. */ +function tools(functions: Record<string, (args: unknown) => Promise<unknown>>) { + return [{ global: 'tools', functions }] +} + +describe('WorkerCodeRuntime — programs and bindings (real workers)', () => { + it('registers with the seam descriptors', async () => { + const { runtime } = await setup() + expect(runtime.language).toBe('typescript') + expect(runtime.isolation).toBe('worker-thread') + }) + + it('runs TypeScript (erasable syntax), captures console/stdout in order, returns the value', async () => { + const { runtime } = await setup() + const result = await runtime.run({ + program: ` + interface Point { x: number; y: number } + const p: Point = { x: 1, y: 2 } as Point; + console.log('point', p); + process.stdout.write('raw-out\\n'); + console.warn('careful'); + return p.x + p.y; + `, + bindings: [], + }) + expect(result.error).toBeUndefined() + expect(result.value).toBe(3) + expect(result.logs.map(entry => [entry.source, entry.level ?? null])).toEqual([ + ['console', 'log'], + ['stdout', null], + ['console', 'warn'], + ]) + expect(result.logs[0]?.text).toBe('point { x: 1, y: 2 }') + }) + + it('bridges binding calls both ways and rejects the program-side call on a host rejection', async () => { + const { runtime } = await setup() + const calls: unknown[] = [] + const result = await runtime.run({ + program: ` + const first = await tools.echo({ n: 1 }); + let caught = ''; + try { await tools.fail({}) } catch (error) { caught = error.message } + let caughtRaw = ''; + try { await tools.failRaw({}) } catch (error) { caughtRaw = error.message } + return { first, caught, caughtRaw }; + `, + bindings: tools({ + echo: async (args) => { calls.push(args); return { echoed: args } }, + fail: async () => { throw new Error('nope') }, + // A non-Error throw: the host renders it, the program still catches. + failRaw: async () => { throw 'raw-nope' }, + }), + }) + expect(result.error).toBeUndefined() + expect(result.value).toEqual({ first: { echoed: { n: 1 } }, caught: 'nope', caughtRaw: 'raw-nope' }) + expect(calls).toEqual([{ n: 1 }]) + }) + + it('reports non-erasable syntax as an exception without spawning a worker', async () => { + const { runtime } = await setup() + const result = await runtime.run({ program: 'enum E { A }\nreturn 1', bindings: [] }) + expect(result.error?.kind).toBe('exception') + expect(result.error?.message).toMatch(/enum|strip/i) + }) + + it('reports a runtime throw as an exception with the message', async () => { + const { runtime } = await setup() + const result = await runtime.run({ program: 'throw new Error("kaboom")', bindings: [] }) + expect(result.error?.kind).toBe('exception') + expect(result.error?.message).toContain('kaboom') + }) + + it('gives the program an EMPTY environment', async () => { + const { runtime } = await setup() + const result = await runtime.run({ program: 'return JSON.stringify(process.env)', bindings: [] }) + expect(result.value).toBe('{}') + }) + + it('replaces a non-cloneable return value with a string rendering', async () => { + const { runtime } = await setup() + const result = await runtime.run({ program: 'return { f: () => 1 }', bindings: [] }) + expect(typeof result.value).toBe('string') + }) + + it('completes a program that returns nothing with no value at all', async () => { + const { runtime } = await setup() + const result = await runtime.run({ program: 'const x = 1', bindings: [] }) + expect(result.error).toBeUndefined() + expect('value' in result).toBe(false) + }) + + it('keeps logs streamed before a failure', async () => { + const { runtime } = await setup() + const result = await runtime.run({ + program: 'console.log("before"); throw new Error("after-log")', + bindings: [], + }) + expect(result.error?.kind).toBe('exception') + expect(result.logs.map(entry => entry.text)).toContain('before') + }) +}) + +describe('WorkerCodeRuntime — budgets and containment (real workers)', () => { + it('ends a hot loop at the compute budget — including behind a pending decoy dispatch', async () => { + const { runtime } = await setup({ computeMs: 300, maxWallMs: 30_000 }) + const result = await runtime.run({ + // The decoy: fire a call at a never-resolving binding WITHOUT awaiting, + // then spin. Host-side pending-call bookkeeping would pause a naive + // budget here; measured busy time cannot be fooled. + program: 'void tools.slow({}); for (;;) {}', + bindings: tools({ slow: () => new Promise(() => {}) }), + }) + expect(result.error?.kind).toBe('timeout') + expect(result.error?.message).toContain('compute budget') + }, 15_000) + + it('does not charge time spent awaiting a slow binding against the compute budget', async () => { + const { runtime } = await setup({ computeMs: 250, maxWallMs: 30_000 }) + const result = await runtime.run({ + program: 'return await tools.slow({})', + bindings: tools({ slow: () => new Promise(resolve => setTimeout(() => { resolve('slow-done') }, 700)) }), + }) + expect(result.error).toBeUndefined() + expect(result.value).toBe('slow-done') + }, 15_000) + + it('ends an idle-forever run at the wall-clock ceiling', async () => { + const { runtime } = await setup({ computeMs: 30_000, maxWallMs: 400 }) + const result = await runtime.run({ + program: 'await tools.never({}); return 1', + bindings: tools({ never: () => new Promise(() => {}) }), + }) + expect(result.error?.kind).toBe('timeout') + expect(result.error?.message).toContain('wall-clock ceiling') + }, 15_000) + + it('reports an abort mid-run and stops the worker', async () => { + const { runtime } = await setup() + const controller = new AbortController() + setTimeout(() => { controller.abort('user-cancel') }, 150) + const result = await runtime.run({ program: 'for (;;) {}', bindings: [], signal: controller.signal }) + expect(result.error).toEqual({ kind: 'abort', message: 'user-cancel' }) + }, 15_000) + + it('reports a pre-aborted signal without spawning', async () => { + const { runtime } = await setup() + const controller = new AbortController() + controller.abort('too-late') + const result = await runtime.run({ program: 'return 1', bindings: [], signal: controller.signal }) + expect(result.error).toEqual({ kind: 'abort', message: 'too-late' }) + }) + + it('drops a binding resolution that lands after the run settled', async () => { + const { runtime } = await setup() + const controller = new AbortController() + let replyDelivered!: Promise<void> + const result = await runtime.run({ + program: 'void tools.late({}); for (;;) {}', + bindings: tools({ + // Anchored on invocation: abort 100ms after the call reaches the + // host, resolve 400ms after — by then the run has settled, so the + // resolution's reply hits the post-settlement drop. + late: () => new Promise((resolve) => { + setTimeout(() => { controller.abort('cancel-now') }, 100) + replyDelivered = new Promise(done => setTimeout(() => { resolve('too-late'); done() }, 400)) + }), + }), + signal: controller.signal, + }) + expect(result.error).toEqual({ kind: 'abort', message: 'cancel-now' }) + // Let the late resolution actually fire so its reply executes instead of + // being cancelled with the test. + await replyDelivered + }, 15_000) + + it('contains an OOM under resourceLimits as worker-exit, host process healthy', async () => { + const { runtime } = await setup({ maxOldGenerationSizeMb: 32 }) + const result = await runtime.run({ + program: 'const hog = []; for (;;) hog.push(new Array(1e6).fill(1));', + bindings: [], + }) + expect(result.error?.kind).toBe('worker-exit') + // And the host is fine: run something else. + const after = await runtime.run({ program: 'return "alive"', bindings: [] }) + expect(after.value).toBe('alive') + }, 30_000) + + it('truncates runaway log output at the byte budget with an in-band marker', async () => { + const { runtime } = await setup({ maxLogBytes: 300 }) + const result = await runtime.run({ + program: 'for (let i = 0; i < 1000; i++) console.log("spam line", i); return 1', + bindings: [], + }) + expect(result.logs.at(-1)?.text).toContain('truncated at 300 bytes') + const total = result.logs.reduce((sum, entry) => sum + Buffer.byteLength(entry.text, 'utf8'), 0) + expect(total).toBeLessThan(1_000) + }) + + it('caps an oversized return value with a truncation marker', async () => { + const { runtime } = await setup({ maxValueBytes: 64 }) + const result = await runtime.run({ program: 'return "y".repeat(10_000)', bindings: [] }) + expect(result.value).toBe(`${'y'.repeat(64)}… [truncated]`) + }) + + it('caps a multibyte return value by UTF-8 bytes, not string length', async () => { + // 4 code units, 12 UTF-8 bytes: a length-counting cap would let the full + // string cross. The worker's byte-exact capped rendering then passes the + // host re-cap unchanged (cap + marker is exactly the granted slack). + const { runtime } = await setup({ maxValueBytes: 4 }) + const result = await runtime.run({ program: 'return "€€€€"', bindings: [] }) + expect(result.value).toBe('€… [truncated]') + }) + + it('completes a program that awaits its write callback, capturing the chunk', async () => { + // Node's write(chunk[, encoding][, callback]) contract: dropping the + // callback would leave this promise pending until the wall ceiling and + // misreport a completed program as a timeout. + const { runtime } = await setup({ maxWallMs: 2_000 }) + const result = await runtime.run({ + program: 'await new Promise(resolve => process.stdout.write("flushed", resolve)); return "done"', + bindings: [], + }) + expect(result.error).toBeUndefined() + expect(result.value).toBe('done') + expect(result.logs).toContainEqual({ source: 'stdout', text: 'flushed' }) + }) + + it('caps a huge container whose bounded rendering is small (wire size, not rendering, is what counts)', async () => { + const { runtime } = await setup() + const result = await runtime.run({ program: 'return new Array(50_000).fill(7)', bindings: [] }) + expect(result.error).toBeUndefined() + expect(typeof result.value).toBe('string') + expect(result.value).toContain('more items') + }) + + it('captures pipe writes that bypass the patched write slot as stray logs, capped by the same budget', async () => { + const { runtime } = await setup({ maxLogBytes: 4 }) + const result = await runtime.run({ + // The bootstrap patches the stream instance's own `write`; going + // through the prototype's slot reaches the real pipe underneath, so + // the bytes arrive host-side as stray data. The pauses keep the two + // writes in separate pipe chunks and let them land before settlement. + program: ` + const write = (text) => Object.getPrototypeOf(process.stdout).write.call(process.stdout, text); + write('abcd'); + await new Promise(resolve => setTimeout(resolve, 150)); + write('ef'); + await new Promise(resolve => setTimeout(resolve, 100)); + return 1; + `, + bindings: [], + }) + expect(result.error).toBeUndefined() + expect(result.logs).toContainEqual({ source: 'stdout', text: 'abcd' }) + expect(result.logs.map(entry => entry.text)).not.toContain('ef') + }, 15_000) +}) + +describe('WorkerCodeRuntime — hostile programs (real workers)', () => { + it('survives forged port traffic: unknown binding names, duplicate ids, junk shapes', async () => { + const { runtime } = await setup() + const result = await runtime.run({ + program: ` + const { parentPort } = await import('node:worker_threads'); + parentPort.postMessage({ type: 'call', id: 7777, global: 'tools', name: 'missing', args: {} }); + parentPort.postMessage({ type: 'call', id: 7777, global: 'tools', name: 'missing', args: {} }); + parentPort.postMessage({ type: 'call', id: 7778, global: 'tools', name: 'constructor', args: {} }); + parentPort.postMessage({ type: 'junk' }); + return await tools.real({}); + `, + bindings: tools({ real: async () => 'still-works' }), + }) + expect(result.error).toBeUndefined() + expect(result.value).toBe('still-works') + }) + + it('survives arbitrary junk on the port: non-objects, junk types, malformed calls, logs, and dones', async () => { + const { runtime } = await setup() + const result = await runtime.run({ + program: ` + const { parentPort } = await import('node:worker_threads'); + for (const junk of [ + null, 42, 'junk', [], + { type: 'nope' }, + { type: 'call' }, + { type: 'call', id: 'x', global: 'tools', name: 'real', args: {} }, + { type: 'call', id: 1e9, global: 7, name: 'real', args: {} }, + { type: 'call', id: 1e9, global: 'tools', name: 7, args: {} }, + { type: 'log' }, + { type: 'log', entry: null }, + { type: 'log', entry: { source: 'stdout', text: 7 } }, + { type: 'log', entry: { source: 'nope', text: 'x' } }, + { type: 'log', entry: { source: 'console', level: 'nope', text: 'x' } }, + { type: 'log', entry: { source: 'console', level: 7, text: 'x' } }, + { type: 'done', error: 5 }, + { type: 'done', error: { message: 5 } }, + ]) parentPort.postMessage(junk); + return await tools.real({}); + `, + bindings: tools({ real: async () => 'still-works' }), + }) + expect(result.error).toBeUndefined() + expect(result.value).toBe('still-works') + expect(result.logs).toEqual([]) + }) + + it('caps forged log floods and forged done values at the configured budgets, dropping forged extra fields', async () => { + const { runtime } = await setup({ maxLogBytes: 200, maxValueBytes: 64 }) + const result = await runtime.run({ + // Forged messages bypass the worker-side LogBuffer and prepareValue + // entirely — only the host-side ledger and re-cap stand between model + // code and an unbounded result. + program: ` + const { parentPort } = await import('node:worker_threads'); + for (let i = 0; i < 50; i++) parentPort.postMessage({ type: 'log', entry: { source: 'stdout', text: 'F'.repeat(100), forged: true } }); + parentPort.postMessage({ type: 'done', value: 'V'.repeat(100000) }); + for (;;) {} + `, + bindings: [], + }) + expect(typeof result.value).toBe('string') + const value = result.value as string + expect(value.startsWith('V'.repeat(64))).toBe(true) + expect(value.endsWith('… [truncated]')).toBe(true) + expect(value.length).toBeLessThan(120) + const marker = '[dsh-code-runtime-worker] log capture truncated at 200 bytes' + const total = result.logs.reduce((sum, entry) => sum + Buffer.byteLength(entry.text, 'utf8'), 0) + expect(total).toBeLessThanOrEqual(200 + Buffer.byteLength(marker, 'utf8')) + expect(result.logs.at(-1)?.text).toBe(marker) + expect(result.logs.every(entry => !('forged' in entry))).toBe(true) + }) + + it('accepts a forged done carrying both value and error (self-sabotage, contained)', async () => { + const { runtime } = await setup() + const result = await runtime.run({ + program: ` + const { parentPort } = await import('node:worker_threads'); + parentPort.postMessage({ type: 'done', value: 'lied', error: { message: 'fake failure' } }); + for (;;) {} + `, + bindings: [], + }) + expect(result.value).toBe('lied') + expect(result.error).toEqual({ kind: 'exception', message: 'fake failure' }) + }) + + it('byte-bounds forged multibyte error text at the host', async () => { + // Forged error text bypasses the worker entirely; the host bound is a + // BYTE bound (two € = 6 bytes fit an 8-byte cap, a third would not). + const { runtime } = await setup({ maxValueBytes: 8 }) + const result = await runtime.run({ + program: ` + const { parentPort } = await import('node:worker_threads'); + parentPort.postMessage({ type: 'done', error: { message: '€'.repeat(1000) } }); + for (;;) {} + `, + bindings: [], + }) + expect(result.error).toEqual({ kind: 'exception', message: '€€' }) + }) + + it('answers a binding whose resolution cannot be cloned with a failure reply', async () => { + const { runtime } = await setup() + const result = await runtime.run({ + program: 'try { await tools.bad({}) } catch (error) { return error.message }', + bindings: tools({ bad: async () => (() => 1) }), + }) + expect(result.value).toContain('not structured-cloneable') + }) + + it('exposes binding names that collide with Object.prototype as ordinary functions', async () => { + const { runtime } = await setup() + const result = await runtime.run({ + program: 'return [await tools["__proto__"]({}), await tools["constructor"]({}), typeof tools["hasOwnProperty"]]', + // Computed keys: a literal `'__proto__': …` entry would SET the record's + // prototype instead of declaring a binding of that name. + bindings: tools({ ['__proto__']: async () => 'proto-ok', ['constructor']: async () => 'ctor-ok' }), + }) + expect(result.value).toEqual(['proto-ok', 'ctor-ok', 'undefined']) + }) +}) + +describe('WorkerCodeRuntime — seam misuse and lifecycle', () => { + it('rejects invalid binding globals loudly (identifier, reserved word, duplicate, console)', async () => { + const { runtime } = await setup() + const cases: [string, RegExp][] = [ + ['not valid!', /not a usable identifier/], + ['await', /not a usable identifier/], + ['console', /duplicate binding global/], + ] + for (const [global, message] of cases) { + await expect(runtime.run({ program: 'return 1', bindings: [{ global, functions: {} }] })).rejects.toThrow(message) + } + await expect(runtime.run({ + program: 'return 1', + bindings: [{ global: 'tools', functions: {} }, { global: 'tools', functions: {} }], + })).rejects.toThrow(/duplicate binding global/) + }) + + it('rejects config values that are not positive numbers', async () => { + const ctx = new Context() + await expect(ctx.plugin(WorkerCodeRuntime, { computeMs: -1 })).rejects.toThrow(/positive number/) + }) + + it('keeps runs isolated: no state survives from one run to the next', async () => { + const { runtime } = await setup() + await runtime.run({ program: 'globalThis.leak = "value"; return 1', bindings: [] }) + const second = await runtime.run({ program: 'return typeof globalThis.leak', bindings: [] }) + expect(second.value).toBe('undefined') + }) + + it('disposal aborts in-flight runs, awaits worker exit, and rejects later runs', async () => { + const ctx = new Context() + const fiber = await ctx.plugin(WorkerCodeRuntime) + const runtime = ctx.codeRuntime as WorkerCodeRuntime + const inflight: Promise<CodeRunResult> = runtime.run({ program: 'for (;;) {}', bindings: [] }) + // Give the worker a moment to actually start spinning. + await new Promise(resolve => setTimeout(resolve, 200)) + await fiber.dispose() + const result = await inflight + expect(result.error).toEqual({ kind: 'abort', message: 'runtime disposed' }) + await expect(runtime.run({ program: 'return 1', bindings: [] })).rejects.toThrow(/after disposal/) + }, 15_000) + + it('removes ctx.codeRuntime when the providing fiber disposes (HMR safety)', async () => { + const ctx = new Context() + const fiber = await ctx.plugin(WorkerCodeRuntime) + expect(ctx.get('codeRuntime')).toBeInstanceOf(WorkerCodeRuntime) + await fiber.dispose() + expect(ctx.get('codeRuntime')).toBeUndefined() + }) +}) diff --git a/packages/code-runtime/code-runtime-worker/tsconfig.json b/packages/code-runtime/code-runtime-worker/tsconfig.json new file mode 100644 index 0000000000..af962eda4f --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/tsconfig.json @@ -0,0 +1,24 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../code-runtime" + } + ] +} diff --git a/packages/code-runtime/code-runtime-worker/tsdown.config.ts b/packages/code-runtime/code-runtime-worker/tsdown.config.ts new file mode 100644 index 0000000000..5af39d936a --- /dev/null +++ b/packages/code-runtime/code-runtime-worker/tsdown.config.ts @@ -0,0 +1,35 @@ +import { defineConfig } from 'tsdown' + +/** + * Package-shape override (see the root tsdown.config.ts): besides the + * default lib/index.js bundle, the worker BOOTSTRAP ships as its own + * sibling entry — `new Worker(new URL('./worker.js', import.meta.url))` + * loads it as a file, so it cannot be part of the index bundle. TWO + * single-entry builds, not one two-entry build: a multi-entry build emits + * the shared bootstrap module as a `lib/bootstrap-*.js` chunk both bundles + * import, which the package.json `files` whitelist (deliberately exact) + * would omit from the packed artifact — each single-entry build inlines its + * own bootstrap copy instead, keeping every shipped file self-contained. + */ +export default defineConfig([ + { + entry: ['lib/types/index.js'], + outDir: 'lib', + format: ['esm'], + platform: 'node', + target: 'es2024', + fixedExtension: false, + dts: false, + clean: false, + }, + { + entry: ['lib/types/worker.js'], + outDir: 'lib', + format: ['esm'], + platform: 'node', + target: 'es2024', + fixedExtension: false, + dts: false, + clean: false, + }, +]) diff --git a/packages/code-runtime/code-runtime/README.md b/packages/code-runtime/code-runtime/README.md new file mode 100644 index 0000000000..20c9274b9c --- /dev/null +++ b/packages/code-runtime/code-runtime/README.md @@ -0,0 +1,19 @@ +# @deepseek-ai/dsh-code-runtime + +The **code-execution seam**: an abstract `CodeRuntime` service (`ctx.codeRuntime`) defining WHAT a code runtime does — run one model-written program against a set of host-provided async bindings and report `{ value, logs, error? }` — without saying HOW. + +This package is the interface third of the capability (the bash trio is the template — see [capability seams](../../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)): implementations subclass `CodeRuntime` and register the service; the consumer is the tool registry's Code Mode, which generates the model-facing SDK and bridges tool dispatch — both specified in the [Code Mode RFC](../../../docs/rfc/implemented/feature/2026-06-15-code-mode.md), whose first implementation is a Node worker-thread backend. The runtime knows nothing about tools or sessions: it is handed named async functions and a program string, and everything tool-shaped stays with the consumer. + +## Service API (`ctx.codeRuntime`) + +| Member | Semantics | +|---|---| +| `run(request)` | Execute one program against the request's bindings. **Resolves with an error FIELD for every program outcome** — parse/transform failure, thrown exception, budget expiry, abort, substrate death (`CodeRunFailure`'s orthogonal `kind` taxonomy); it rejects only for caller misuse of the seam itself (e.g. a run submitted after disposal). The program runs as the body of an async function: top-level `await`/`return` work, and the completion value becomes `result.value` when it survives the serialization boundary. | +| `language` | Readonly descriptor: the source language `run` expects (`'typescript'` is the well-known value). Informational, not gating — a consumer that generates language-specific presentation switches on it and fails loud on a language it cannot present. | +| `isolation` | Readonly descriptor: the execution substrate (`'worker-thread'`, `'process'`, `'container'`). A label for deployments and diagnostics, **not a security claim**. | + +Semantics every implementation must honor (contract details in the class JSDoc): binding calls bridge to the caller's functions verbatim with structured-cloneable arguments/resolutions; the program is treated as a hostile peer (arbitrary binding names are own properties, malformed traffic never crashes the host); no state survives between runs; disposal terminates in-flight runs AND awaits their exit before completing. + +## Vocabulary + +`CodeRunRequest` (`program`, `bindings`, `signal?`) carries everything the runtime acts on — defaulting (time budgets, output caps) is the implementation's validated config, never a hidden `??` inside `run()`. `bindings` is a list of `CodeBindingNamespace`s (`global` + `functions`), each exposed to the program as one global object of async callables. `CodeRunResult` reports the completion `value?`, the ordered `logs` (`CodeLogEntry`: `console`/`stdout`/`stderr` source, console `level`, capped text), and the `error?` (`CodeRunFailure`: `kind` + model-feedable `message`). See `src/types.ts` for the full contracts. diff --git a/packages/code-runtime/code-runtime/package.json b/packages/code-runtime/code-runtime/package.json new file mode 100644 index 0000000000..0fe24bb15c --- /dev/null +++ b/packages/code-runtime/code-runtime/package.json @@ -0,0 +1,30 @@ +{ + "name": "@deepseek-ai/dsh-code-runtime", + "description": "Abstract code-execution seam (ctx.codeRuntime) for the DeepSeek Harness", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/code-runtime/code-runtime/src/index.ts b/packages/code-runtime/code-runtime/src/index.ts new file mode 100644 index 0000000000..5595469afe --- /dev/null +++ b/packages/code-runtime/code-runtime/src/index.ts @@ -0,0 +1,93 @@ +/** + * The code-execution seam (`ctx.codeRuntime`): an abstract service defining + * WHAT a code runtime does — run one model-written program against a set of + * host-provided async bindings and report `{ value, logs, error? }` — without + * saying HOW. Implementations subclass {@link CodeRuntime} and register + * themselves as the `codeRuntime` service; backends may differ by execution + * substrate (worker thread, separate process, container) and by source + * language, both declared as readonly descriptors. The design and its + * consumer (the tool registry's Code Mode) are specified in the Code Mode RFC + * (docs/rfc/implemented/feature/2026-06-15-code-mode.md). + * + * The split mirrors the bash seam (`BashExecutor`): the runtime knows nothing + * about tools or sessions — it is handed named async functions and a program, + * and everything tool-shaped stays with the consumer. + * + * @module @deepseek-ai/dsh-code-runtime + */ + +import { Context, Service } from 'cordis' +import type { CodeRunRequest, CodeRunResult } from './types.ts' + +export type { + CodeBindingFunction, + CodeBindingNamespace, + CodeLogEntry, + CodeRunFailure, + CodeRunRequest, + CodeRunResult, +} from './types.ts' + +declare module 'cordis' { + interface Context { + codeRuntime: CodeRuntime + } +} + +/** + * Abstract code-execution service. Subclass, implement {@link run} and the + * two descriptors, and load the subclass as a plugin — it registers as + * `ctx.codeRuntime` (one implementation per context; loading a second throws, + * cordis' standard duplicate-service behavior). + * + * Semantics every implementation must honor: + * - {@link run} resolves with an error FIELD for every program outcome — + * parse/transform failures, thrown exceptions, budget expiry, abort, + * substrate death ({@link CodeRunFailure}'s taxonomy). It REJECTS only for + * caller misuse of the seam itself (e.g. a run submitted after disposal). + * - Binding calls bridge to the caller's {@link CodeBindingFunction}s + * verbatim; arguments and resolutions must be structured-cloneable, and the + * runtime treats the program as a hostile peer (arbitrary binding names are + * own properties, malformed traffic is rejected or ignored, never crashes + * the host). + * - Runs are isolated from each other: no state survives from one run to the + * next through the runtime. + * - Disposal reaches quiescence: in-flight runs are terminated AND awaited + * before the service's own teardown completes (no orphan substrate survives + * `fiber.dispose()`). + */ +export abstract class CodeRuntime extends Service { + /** + * The source language {@link run} expects `program` to be written in, as a + * lowercase identifier. Informational, not gating — a consumer that + * generates language-specific presentation (typed SDK stubs, usage + * instructions) switches on it and fails loud on a language it cannot + * present. Well-known value: `'typescript'`. + */ + abstract readonly language: string + + /** + * The execution substrate, as a lowercase identifier. Informational, not + * gating — a descriptor so deployments and diagnostics can tell backends + * apart, not a security claim. Well-known values: `'worker-thread'`, + * `'process'`, `'container'`. + */ + abstract readonly isolation: string + + constructor(ctx: Context) { + super(ctx, 'codeRuntime') + } + + /** + * Execute one program against the request's bindings and capture what it + * emitted. See the class doc for the resolution contract (error is a result + * field; rejection means seam misuse only). + * @param request - the program, its bindings, and the abort signal; the + * request carries everything the runtime acts on, with no hidden defaults. + * @returns the run's outcome: completion value (when transferable), the + * ordered log capture, and the failure (if any). + */ + abstract run(request: CodeRunRequest): Promise<CodeRunResult> +} + +export default CodeRuntime diff --git a/packages/code-runtime/code-runtime/src/types.ts b/packages/code-runtime/code-runtime/src/types.ts new file mode 100644 index 0000000000..8278f33a39 --- /dev/null +++ b/packages/code-runtime/code-runtime/src/types.ts @@ -0,0 +1,105 @@ +/** + * Vocabulary types for the code-execution seam: what a caller hands a + * {@link ../index.ts | CodeRuntime} and what it gets back. Pure types — no + * runtime code lives here. + * + * @module @deepseek-ai/dsh-code-runtime/src/types + */ + +/** + * One host-side function exposed to the program as an async callable. The + * runtime bridges calls to it (possibly across a serialization boundary), so + * `args` and the resolution value MUST be structured-cloneable; a runtime + * rejects a non-cloneable value with a descriptive error rather than + * corrupting the run. A rejection of this function surfaces inside the + * program as a rejection of the corresponding call. + */ +export type CodeBindingFunction = (args: unknown) => Promise<unknown> + +/** + * A named group of {@link CodeBindingFunction}s the runtime exposes to the + * program as one global object (e.g. `tools`). Function names are arbitrary + * strings — a runtime must treat names like `__proto__` or `constructor` as + * ordinary own properties (null-prototype construction), never as prototype + * collisions. + */ +export interface CodeBindingNamespace { + /** The global identifier the program sees (must be a valid JS identifier). */ + global: string + /** The callable members, keyed by the exact name the program calls. */ + functions: Record<string, CodeBindingFunction> +} + +/** + * One run: the program source plus everything the runtime acts on. Per the + * explicit-over-implicit convention, defaulting (time budgets, output caps) + * is the implementation's validated config — a request carries no optional + * tuning knobs for a hidden `??` to fill in. + */ +export interface CodeRunRequest { + /** + * The program source, in the runtime's {@link ../index.ts | language}. It + * runs as the body of an async function: top-level `await` and `return` + * are available, and the completion value becomes + * {@link CodeRunResult.value}. + */ + program: string + /** Host functions exposed to the program, one global object per namespace. */ + bindings: CodeBindingNamespace[] + /** + * Abort the run: the runtime stops the program (hard, even mid-loop) and + * resolves with a {@link CodeRunFailure} of kind `'abort'`. In-flight + * binding calls are the CALLER's to settle — the runtime only stops asking. + */ + signal?: AbortSignal +} + +/** + * One captured output entry, in emission order. `source` says which channel + * produced it: the program's `console` (shimmed by the runtime), or a stray + * write to the underlying stdout/stderr streams. + */ +export interface CodeLogEntry { + /** Which channel produced the text. */ + source: 'console' | 'stdout' | 'stderr' + /** The console method used; present only when `source` is `'console'`. */ + level?: 'log' | 'info' | 'warn' | 'error' | 'debug' + /** The captured text (possibly truncated by the implementation's caps, marked in-band). */ + text: string +} + +/** + * Why a run failed. The kinds are orthogonal outcomes reported independently + * (per docs/defensive-patterns.md): a budget expiry is not an exception, an + * abort is not a timeout, and a substrate death is neither. + * + * - `'exception'` — the program threw or failed to parse/transform. + * - `'timeout'` — an implementation-owned budget expired; the message says which. + * - `'abort'` — {@link CodeRunRequest.signal} fired. + * - `'worker-exit'` — the execution substrate died without settling (e.g. OOM). + */ +export interface CodeRunFailure { + /** The failure class (see the interface doc for each kind's meaning). */ + kind: 'exception' | 'timeout' | 'abort' | 'worker-exit' + /** Human-readable detail, suitable for feeding back to a model to self-correct. */ + message: string +} + +/** + * The outcome of one run. An error is a FIELD on a resolved result, never a + * rejection of `run()` — reporting a failed program is the caller's job, not + * an exception path. + */ +export interface CodeRunResult { + /** + * The program's completion value (its top-level `return`), when it ran to + * completion and the value survived the runtime's serialization boundary; + * a non-transferable value is replaced by a string rendering, and a failed + * or value-less run leaves this absent. + */ + value?: unknown + /** Everything the program emitted, in order (capped by the implementation). */ + logs: CodeLogEntry[] + /** Present iff the run failed; see {@link CodeRunFailure} for the taxonomy. */ + error?: CodeRunFailure +} diff --git a/packages/code-runtime/code-runtime/tests/service.spec.ts b/packages/code-runtime/code-runtime/tests/service.spec.ts new file mode 100644 index 0000000000..4ff6d8f313 --- /dev/null +++ b/packages/code-runtime/code-runtime/tests/service.spec.ts @@ -0,0 +1,87 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { CodeRuntime } from '@deepseek-ai/dsh-code-runtime' +import type { CodeRunRequest, CodeRunResult } from '@deepseek-ai/dsh-code-runtime' + +/** + * Minimal concrete runtime: records requests, "executes" by invoking every + * binding once in declaration order, and lets tests script the outcome. The + * seam package ships no implementation, so the contract is exercised through + * the smallest subclass that honors it. + */ +class StubRuntime extends CodeRuntime { + readonly language = 'typescript' + readonly isolation = 'in-process-stub' + requests: CodeRunRequest[] = [] + nextResult: CodeRunResult = { logs: [] } + + async run(request: CodeRunRequest): Promise<CodeRunResult> { + this.requests.push(request) + if (request.signal?.aborted) { + return { logs: [], error: { kind: 'abort', message: String(request.signal.reason) } } + } + for (const namespace of request.bindings) { + for (const fn of Object.values(namespace.functions)) { + await fn({ from: 'stub' }) + } + } + return this.nextResult + } +} + +async function setup() { + const ctx = new Context() + await ctx.plugin(StubRuntime) + const runtime = ctx.codeRuntime as StubRuntime + return { ctx, runtime } +} + +describe('CodeRuntime service seam', () => { + it('registers as ctx.codeRuntime and serves the abstract API', async () => { + const { runtime } = await setup() + expect(runtime.language).toBe('typescript') + expect(runtime.isolation).toBe('in-process-stub') + + const calls: unknown[] = [] + const result = await runtime.run({ + program: 'return 1', + bindings: [{ global: 'tools', functions: { probe: async args => void calls.push(args) } }], + }) + expect(result).toEqual({ logs: [] }) + expect(calls).toEqual([{ from: 'stub' }]) + expect(runtime.requests).toHaveLength(1) + }) + + it('reports a failed run as an error field on a resolved result, never a rejection', async () => { + const { runtime } = await setup() + runtime.nextResult = { + logs: [{ source: 'console', level: 'error', text: 'boom' }], + error: { kind: 'exception', message: 'boom' }, + } + const result = await runtime.run({ program: 'throw new Error("boom")', bindings: [] }) + expect(result.error).toEqual({ kind: 'exception', message: 'boom' }) + expect(result.value).toBeUndefined() + }) + + it('reports a pre-aborted signal as an abort failure', async () => { + const { runtime } = await setup() + const controller = new AbortController() + controller.abort('cancelled') + const result = await runtime.run({ program: 'return 1', bindings: [], signal: controller.signal }) + expect(result.error).toEqual({ kind: 'abort', message: 'cancelled' }) + }) + + it('is removed from the context when the providing fiber disposes (HMR safety)', async () => { + const ctx = new Context() + const fiber = await ctx.plugin(StubRuntime) + expect(ctx.get('codeRuntime')).toBeInstanceOf(StubRuntime) + + await fiber.dispose() + expect(ctx.get('codeRuntime')).toBeUndefined() + }) + + it('rejects a second implementation in the same context (duplicate service)', async () => { + const { ctx } = await setup() + await expect(ctx.plugin(StubRuntime)).rejects.toThrow(/registered/) + }) +}) diff --git a/packages/code-runtime/code-runtime/tsconfig.json b/packages/code-runtime/code-runtime/tsconfig.json new file mode 100644 index 0000000000..754725418e --- /dev/null +++ b/packages/code-runtime/code-runtime/tsconfig.json @@ -0,0 +1,18 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + } + ] +} diff --git a/packages/compact/README.md b/packages/compact/README.md index 10eaf1617a..08c3ddd707 100644 --- a/packages/compact/README.md +++ b/packages/compact/README.md @@ -5,7 +5,7 @@ A three-package capability seam (see [capability seams](../../docs/rfc/implement | Package | Role | ctx key | |---|---|---| | `compact/` | Abstract compaction seam (interface + `compact/*` events + `CompactionResult`) | `ctx.compact` | -| `compact-basic/` | A backend: char/4 estimation + token-budget retention + `llm.stream()` summarization | (registers `ctx.compact`) | +| `compact-basic/` | A backend: chars-per-token estimation (`charsPerToken`, default 4) + token-budget retention + `llm.stream()` summarization | (registers `ctx.compact`) | | `tool-compact/` (deferred) | Model-facing `/compact` tool over `ctx.compact` | (registers on `ctx.tools`) | The interface lives at `compact/compact/`, the backend at `compact/compact-basic/`. Unlike the bash seam, it depends on `dsh-session` and `dsh-llm` — its verbs are defined over a `Session` and its output is the `ContentBlock` vocabulary, so the contract cannot be expressed without naming them. That deviation from the "interface depends only on cordis" guidance is intentional and recorded in the [compaction capability-seam RFC](../../docs/rfc/implemented/feature/2026-06-18-compaction-capability-seam.md). A tokenizer- or template-based backend would replace `compact-basic` without touching the interface or the tool. diff --git a/packages/compact/compact-basic/README.md b/packages/compact/compact-basic/README.md index c195ae42fb..a06e74b818 100644 --- a/packages/compact/compact-basic/README.md +++ b/packages/compact/compact-basic/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-compact-basic -The **basic compaction backend**: a `BasicCompactService` implementing the `@deepseek-ai/dsh-compact` seam with a char/4 token heuristic, token-budget retention, and summarization routed through the agent request pipeline. +The **basic compaction backend**: a `BasicCompactService` implementing the `@deepseek-ai/dsh-compact` seam with a chars-per-token heuristic (the `charsPerToken` config, default 4), token-budget retention, and summarization as a direct one-shot `ctx.llm.stream()` call (interceptable at `llm/stream`). This is the implementation tier of the compaction capability — see the [interface package](../compact/README.md) for the seam and the [capability-seam RFC](../../../docs/rfc/implemented/feature/2026-06-18-compaction-capability-seam.md) for the design. @@ -8,16 +8,16 @@ This is the implementation tier of the compaction capability — see the [interf The abstract contract states only WHAT compaction does; this backend owns every HOW decision: -- **Token estimation** — `estimateContentTokens()`: char/4 with per-block structural overhead (`text`/`reasoning` = `ceil(len/4) + 4`, `tool-call` from name + arguments, `tool-result` recursive, `image` = 85, unknown blocks via JSON length). +- **Token estimation** — `estimateContentTokens()`: chars divided by the `charsPerToken` config (default 4) with per-block structural overhead (`text`/`reasoning` = `ceil(len/charsPerToken) + 4`, `tool-call` from name + arguments, `tool-result` recursive, unknown blocks via JSON length). The pressure gate estimates the NEXT request via `estimatePressure()`: the session prefix (the `agent/session-prefix` product — composed by the loop BEFORE the pre-step seam and handed through it, so the gate counts the prefix this instance will actually send in front of the history, never a stale logged one) + the derived history + the system prompt. - **Retention policy** — `compactIfNeeded()` walks the surface nodes tail→head summing per-node token estimates, and retains the smallest tail-run of WHOLE units (a closed step, or a single no-step node such as a pre-step `user/message` or inter-step `steering/message`) whose total reaches `retainTokens`; everything older is compacted. Retention is **turn-agnostic** — turn boundaries play no role, so a single runaway turn that alone exceeds the window compacts its OWN early closed steps rather than being retained verbatim (the failure mode that motivated dropping turn-protection: a tool-heavy turn must stay compactable or the harness dies exactly when compaction is needed). The only structural guard is **tool-pairing balance**: the compacted region's edges are balanced cuts on the surface (no unanswered tool-call crosses either edge), so it never splits a step's `assistant/message` tool-calls from their `tool/result`s. When the only compactable content left is an un-splittable open tail step, it declines (returns `null`) and retries once an older step closes. **Single-unit overflow is out of scope, by design**: if one retained unit (a single closed step, or a large pasted `user/message`) ALONE exceeds the budget, compaction cannot help and the call may go out over-budget — bounding an individual unit's size is a separate concern. `compactRegion()` enforces tool-pairing balance strictly, throwing on a boundary that would split a step. `dsh-session` exports `isToolPairingBalanced` for the check. - **Dynamic convergence** — no static summary-length config pretends to bound what the model will write. If framing/estimator/system overhead leaves the compacted surface above threshold, `compactIfNeeded()` re-compacts the head checkpoint up to `compactionRetries` extra times; if it still cannot get below threshold, it throws. A summary whose estimated stored size is not smaller than the shadowed content fails closed before it mutates the surface. -- **Summarization** — `summarize()`: a `GenerateOptions` request assembled via `BlockAssembler` with a fixed system prompt that asks for a structured checkpoint (Primary Request and Intent · Key Technical Concepts · Files and Code · Errors and Fixes · Pending Tasks · Current Work · Next Step · Critical Context), every section mandatory, exact paths/commands/identifiers preserved. The request runs through the `agent/request` waterfall before `ctx.llm.stream()`, so router agents that choose the concrete model there also route compaction summaries. `maxTokens` is the provider-side generation cap; only text blocks from the model's reply are kept before the checkpoint is stored (reasoning is dropped so private chain-of-thought never leaks into the durable summary, and a stray `tool-call` is dropped so the synthesized `user/message` summary cannot land an orphaned call with no matching `tool-result`). The compacted region is flattened to a plain-text transcript first: text and reasoning contribute their text, and every non-text block (image, tool-call, tool-result, plugin-added types) contributes a type-tagged placeholder (`[image]`, `[tool-call: name(args)]`, …) so the summarizer is told what existed rather than silently dropping it. +- **Summarization** — `summarize()`: a `GenerateOptions` request assembled via `BlockAssembler` with a fixed system prompt that asks for a structured checkpoint (Primary Request and Intent · Key Technical Concepts · Files and Code · Errors and Fixes · Pending Tasks · Current Work · Next Step · Critical Context), every section mandatory, exact paths/commands/identifiers preserved. The request is a direct one-shot `ctx.llm.stream()` call — NOT a loop step, so it does not run `agent/request` (that seam shapes the loop's conversation requests); the model comes from `summarizationModel` falling back to the agent's own, and per-call routing happens at `llm/stream` like any other direct call. `maxTokens` is the provider-side generation cap; only text blocks from the model's reply are kept before the checkpoint is stored (reasoning is dropped so private chain-of-thought never leaks into the durable summary, and a stray `tool-call` is dropped so the synthesized `user/message` summary cannot land an orphaned call with no matching `tool-result`). The compacted region is flattened to a plain-text transcript first: text and reasoning contribute their text, and every non-text block (tool-call, tool-result, plugin-added types) contributes a type-tagged placeholder (`[tool-call: name(args)]`, `[tool-result: …]`, …) so the summarizer is told what existed rather than silently dropping it. - **Checkpoint framing** — the raw summary is not landed directly. `compactRegion()` wraps it in a checkpoint preamble (so a resuming model reads it as a checkpoint, not a fresh user request, and builds on the captured context rather than restating it) plus `<compacted-summary>…</compacted-summary>` tags. Because region compaction can be invoked manually, a surface may hold several checkpoints, so the framing does not claim everything after it is recent or verbatim. The tags make a prior checkpoint detectable in the transcript on the next compaction cycle: the summarization prompt then instructs the model to merge it in place (preserve still-true facts, drop stale ones) rather than re-summarize it verbatim — a cheap incremental merge that needs no extra log/event machinery. The unframed summary stays on the `compact/summary` provenance event. - **Surface mutation** — `compactRegion()` appends the `compact/start` → `compact/summary` → `compact/end` log records and the single `user/message` replace node carrying the framed summary (see the interface README). - **Auto-compaction** — an `agent/pre-step` listener delegates to `compactIfNeeded()` before every step (not just a turn's first — a tool-heavy turn grows the surface mid-turn, so a runaway turn still compacts, and per-step firing is the only moment to rescue it before overflow). `agent/pre-step` is a serial (awaited, in-order) surface-mutation checkpoint that fires after `turn/start` and BEFORE the step opens (`step/start`) and its request history is derived, so compaction mutates the surface — with its log-only `compact/*` records landing cleanly outside any step — and the loop derives once from the result: no double-derive, and the listener cannot see (or need to rewrite) an already-assembled `messages` array. The listener owns no threshold logic of its own (the single token-pressure check lives in `compactIfNeeded()`); because Cordis `serial` bails early on non-void return values, the listener returns `void` and does not use the dispatcher's bail channel as a veto surface. - **Failure handling** — the `compact/start … compact/end` bracket is a log-recorded lock: it makes a crash mid-summarization a detectable orphan (a `compact/start` with no `compact/end`), records provenance, and prevents a concurrent compaction. Two failure paths: a **crash** (the loop dies mid-summarization) leaves a dangling `compact/start` that is inert — `compact/*` events are log-only, the surface replacement never landed, so the full history derives fine and generic turn-repair closes the turn; a **recoverable** failure (summarization throws but the loop survives) appends `compact/end` with its `error` field set, leaving the surface untouched so the call proceeds with full history. Core session repair stays compaction-agnostic by design — it never learns about `compact/*`. -`estimateContentTokens()` and `summarize()` are overridable hooks: a tokenizer-based or template-based backend can subclass `BasicCompactService` and override just those, reusing the retention walk and surface plumbing. +`estimateContentTokens()` and `summarize()` are overridable hooks: a tokenizer-based or template-based backend can subclass `BasicCompactService` and override just those, reusing the retention walk and surface plumbing. `summarize()` returns the summary blocks together with the call envelope it actually used (`{ summary, model, maxTokens? }`) — the caller logs that envelope on the `compact/summary` provenance event, so an overriding backend reports its own envelope honestly. ## Config (`BasicCompactConfig`) @@ -32,6 +32,7 @@ Every knob is **required** except `auto` — there is no concrete data yet to ju | `maxTokens` | yes | Provider generation cap for the summarization call; may include reasoning tokens. | | `compactionRetries` | yes | Extra compaction attempts after the first if the compacted surface remains over threshold. | | `auto` | no (default `true`) | Register the `agent/pre-step` auto-compaction listener. Set `false` for manual-only. | +| `charsPerToken` | no (default `4`) | Token-estimator text density (estimated tokens = chars / `charsPerToken`; may be fractional). The default suits English text; CJK-heavy deployments should set ~1-2 or the estimate undershoots several-fold and compaction fires too late. | ## Usage diff --git a/packages/compact/compact-basic/package.json b/packages/compact/compact-basic/package.json index c019796e0d..e57e28a8c9 100644 --- a/packages/compact/compact-basic/package.json +++ b/packages/compact/compact-basic/package.json @@ -1,6 +1,6 @@ { "name": "@deepseek-ai/dsh-compact-basic", - "description": "Basic compaction backend (char/4 token estimation + token-budget retention + llm.generate() summarization) for the DeepSeek Harness", + "description": "Basic compaction backend (chars-per-token estimation + token-budget retention + llm.generate() summarization) for the DeepSeek Harness", "version": "0.0.1", "private": true, "type": "module", diff --git a/packages/compact/compact-basic/src/index.ts b/packages/compact/compact-basic/src/index.ts index f53dace461..c0d4ff483a 100644 --- a/packages/compact/compact-basic/src/index.ts +++ b/packages/compact/compact-basic/src/index.ts @@ -2,15 +2,17 @@ * `BasicCompactService`: the first implementation of the * `@deepseek-ai/dsh-compact` seam. It owns the entire compaction strategy: * - * - **Token estimation** — char/4 heuristic with per-block structural overhead. + * - **Token estimation** — chars/`charsPerToken` heuristic (config, default 4) + * with per-block structural overhead. * - **Retention policy** — walk surface nodes tail→head, keep recent nodes up * to a token budget, compact everything older. The cutoff is snapped forward * to the next balanced tool-pairing boundary so a compacted region never * splits a step's tool-call/result pair (an open tail step is never crossed — * compaction declines and retries once it closes). - * - **Summarization** — `ctx.llm.stream()` assembled via `BlockAssembler` - * (the single model-call surface; same path the loop uses) with a fixed - * condense-the-history system prompt routed through `agent/request`. + * - **Summarization** — a direct one-shot `ctx.llm.stream()` call assembled + * via `BlockAssembler` with a fixed condense-the-history system prompt; + * NOT a loop step, so `agent/request` never fires — interception happens + * at `llm/stream` like any other direct call. * - **Surface mutation** — a single `user/message` replace node carries the * summary; `compact/*` events are log-only lock + provenance records. * - **Auto-compaction** — an `agent/pre-step` listener delegates to @@ -28,7 +30,7 @@ */ import { Context } from 'cordis' -import { CompactService } from '@deepseek-ai/dsh-compact' +import { CompactService, renderTranscript } from '@deepseek-ai/dsh-compact' import type { CompactionResult } from '@deepseek-ai/dsh-compact' import { BlockAssembler } from '@deepseek-ai/dsh-llm' import type { ContentBlock, FinishReason, GenerateOptions, Message } from '@deepseek-ai/dsh-llm' @@ -44,9 +46,6 @@ export { resolveConfig } from './types.ts' /** Per-block structural overhead for JSON framing / type tag. */ const BLOCK_OVERHEAD = 4 -/** Heuristic token count for an image block (~85 tokens for low-res URL). */ -const IMAGE_TOKEN_COST = 85 - /** Role-field framing overhead added per message in {@link BasicCompactService.estimateTokens}. */ const ROLE_OVERHEAD = 4 @@ -148,9 +147,11 @@ function finishError(finish: FinishReason): Error | undefined { } /** - * Basic, dependency-light compaction backend. Defaults target a 128K context - * window, compacting at 80% utilization and retaining ~20K tokens of recent - * context. + * Basic, dependency-light compaction backend: estimates the surface's token + * footprint, summarizes the stale prefix through the model, and shadows it + * behind a durable checkpoint. Every threshold/budget knob is required config + * ({@link BasicCompactConfig}); the estimator's text density is the + * `charsPerToken` knob. */ export class BasicCompactService extends CompactService { static inject = ['llm'] @@ -182,11 +183,11 @@ export class BasicCompactService extends CompactService { // log-only `compact/*` records and the replacement node cleanly outside a // step, so a crash mid-compaction leaves an inert orphan the turn-repair // closes — never a half-open step. - ctx.on('agent/pre-step', async (agent: Agent, turn: number, step: number, fullSystemPrompt: string, signal: AbortSignal) => { + ctx.on('agent/pre-step', async (agent: Agent, _turn: number, _step: number, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal) => { try { - const result = await this.compactIfNeeded(agent, turn, step, fullSystemPrompt, signal) + const result = await this.compactIfNeeded(agent, fullSystemPrompt, sessionPrefix, signal) if (result) { - const after = this.estimateTokens(agent.session.deriveMessages(), fullSystemPrompt) + const after = this.estimatePressure(agent.session, fullSystemPrompt, sessionPrefix) ctx.logger.info( `compaction: shadowed ${result.shadowedSeqs.length} surface nodes ` + `(seqs ${result.shadowedRange.start}-${result.shadowedRange.end}, ` + @@ -207,36 +208,41 @@ export class BasicCompactService extends CompactService { // ---- Token estimation (overridable hooks) ---- - // TODO: char/4 is a coarse heuristic. Replace with an exact count — a real - // tokenizer, or the provider's post-response `usage` (input tokens) fed back - // as a correction — so threshold decisions match the model's actual budget. + // TODO: chars/charsPerToken is a coarse heuristic. Replace with an exact + // count — a real tokenizer, or the provider's post-response `usage` (input + // tokens) fed back as a correction — so threshold decisions match the + // model's actual budget. /** - * Estimate the token count of content blocks — char/4 with per-block - * overhead. Override in a subclass to plug in a real tokenizer. + * Estimate the token count of content blocks — chars divided by the + * `charsPerToken` config, with per-block overhead. Override in a subclass to + * plug in a real tokenizer. + * + * @param blocks - the blocks to estimate; `tool-result` blocks recurse into + * their nested content, and unknown (merge-extended) types fall back to + * their JSON-stringified length. + * @returns the estimated token count. */ estimateContentTokens(blocks: readonly ContentBlock[]): number { + const { charsPerToken } = this.config let tokens = 0 for (const block of blocks) { switch (block.type) { case 'text': case 'reasoning': - tokens += Math.ceil(block.text.length / 4) + BLOCK_OVERHEAD + tokens += Math.ceil(block.text.length / charsPerToken) + BLOCK_OVERHEAD break case 'tool-call': - tokens += Math.ceil(block.name.length / 4) - + Math.ceil(block.arguments.length / 4) + tokens += Math.ceil(block.name.length / charsPerToken) + + Math.ceil(block.arguments.length / charsPerToken) + BLOCK_OVERHEAD break case 'tool-result': tokens += this.estimateContentTokens(block.content) + BLOCK_OVERHEAD break - case 'image': - tokens += IMAGE_TOKEN_COST - break default: // Unknown block types (merge-extensible ContentBlockMap): // estimate conservatively via JSON stringify. - tokens += BLOCK_OVERHEAD + Math.ceil(JSON.stringify(block).length / 4) + tokens += BLOCK_OVERHEAD + Math.ceil(JSON.stringify(block).length / charsPerToken) } } return tokens @@ -245,6 +251,11 @@ export class BasicCompactService extends CompactService { /** * Estimate token count for a single session event. Returns 0 for non-message * event types (boundaries, chunks, usage, errors, compact markers). + * + * @param event - any session event; only the message-bearing types carry + * content to count. + * @returns the estimated token count of the event's content, or 0 for a + * non-message event. */ estimateEventTokens(event: SessionEvent): number { switch (event.type) { @@ -259,21 +270,32 @@ export class BasicCompactService extends CompactService { } } - /** Estimate total tokens across a list of messages plus optional system prompt. */ + /** + * Estimate total tokens across a list of messages plus optional system prompt. + * + * @param messages - the derived conversation messages; each adds a fixed + * role-framing overhead on top of its content estimate. + * @param systemPrompt - counted at chars / `charsPerToken` when provided. + * @returns the estimated token footprint of the whole request. + */ estimateTokens(messages: readonly Message[], systemPrompt?: string): number { let total = 0 for (const msg of messages) { total += this.estimateContentTokens(msg.content) total += ROLE_OVERHEAD } - if (systemPrompt) total += Math.ceil(systemPrompt.length / 4) + if (systemPrompt) total += Math.ceil(systemPrompt.length / this.config.charsPerToken) return total } /** - * Summarize conversation text into content blocks via `agent/request` plus - * `ctx.llm.stream()` assembled through a `BlockAssembler` (the single - * model-call surface). + * Summarize conversation text into content blocks via `ctx.llm.stream()` + * assembled through a `BlockAssembler`. A direct one-shot model call, NOT a + * loop step: it does not run the `agent/request` waterfall (that seam shapes + * the loop's conversation requests); per-call + * interception happens at `llm/stream` like any other direct call. The model + * comes from `BasicCompactConfig.summarizationModel`, falling back to the + * agent's own model. * Override in a subclass for a template or remote summarizer. * * Honors the adapter failure contract: an adapter may report a model failure @@ -283,8 +305,22 @@ export class BasicCompactService extends CompactService { * * Forwards `signal` into `GenerateOptions.signal` so an abort/dispose tears * down the in-flight summarization rather than orphaning the model call. + * + * Returns the summary blocks TOGETHER with the call envelope it actually + * used (`model`, `maxTokens`) — the caller logs the envelope on the + * `compact/summary` provenance event, so an overriding subclass (template + * or remote summarizer) reports its own envelope honestly. + * + * @param text - plain-text rendering of the conversation region to condense. + * @param agent - supplies the fallback model and the session id stamped on + * the call; throws when neither it nor the config names a model. + * @param signal - optional abort signal, forwarded into the model call. + * @returns the text-only summary blocks plus the call envelope used + * (`model`, and `maxTokens` when the summarizer has a cap). */ - async summarize(text: string, agent: Agent, turn: number, step: number, signal?: AbortSignal): Promise<ContentBlock[]> { + async summarize( + text: string, agent: Agent, signal?: AbortSignal, + ): Promise<{ summary: ContentBlock[]; model: string; maxTokens?: number }> { const assembler = new BlockAssembler() const options: GenerateOptions = { model: this.config.summarizationModel || agent.options.model || '', @@ -299,11 +335,10 @@ export class BasicCompactService extends CompactService { // exactOptionalPropertyTypes: only set `signal` when present — assigning // `undefined` to an optional `signal?: AbortSignal` is a type error. if (signal) options.signal = signal - const request = await this.ctx.waterfall('agent/request', agent, turn, step, options, () => Promise.resolve(options)) - if (!request.model) { - throw new Error('no model available for summarization: set BasicCompactConfig.summarizationModel, AgentOptions.model, or supply one via the agent/request waterfall') + if (!options.model) { + throw new Error('no model available for summarization: set BasicCompactConfig.summarizationModel or AgentOptions.model') } - for await (const chunk of this.ctx.llm.stream(request)) { + for await (const chunk of this.ctx.llm.stream(options)) { assembler.push(chunk) } @@ -315,17 +350,32 @@ export class BasicCompactService extends CompactService { throw new Error('summarization produced no text summary content') } - return summary + // config.maxTokens is required and validated positive, so this backend's + // envelope always carries the cap; the return type's optionality exists + // for overriding subclasses whose summarizer has none. + return { summary, model: options.model, maxTokens: this.config.maxTokens } } // ---- Core API (implements the abstract contract) ---- /** - * The sole token-pressure gate: estimate the current surface-derived history, - * and if it exceeds the threshold (`contextWindow * thresholdRatio`), compact + * The sole token-pressure gate: estimate the NEXT request's pressure — the + * session prefix + the surface-derived history + the system prompt + * ({@link estimatePressure}) — and if it exceeds the threshold + * (`contextWindow * thresholdRatio`), compact * the oldest surface nodes outside the `retainTokens` budget. The auto- * compaction listener delegates here rather than pre-checking, so this is the - * only place the decision lives. + * only place the decision lives. The prefix counts because every request + * carries it in front of the history (`EpochHeader.messagePrefix`) even + * though it is not derived history — omitting it would under-estimate by + * exactly the prefix and let a deployment at the window edge skip + * compaction, then ship an over-window request. The loop composes the + * prefix BEFORE the pre-step seam and hands it through, so the gate sees + * this instance's actual prefix (never a previous instance's logged one — + * a resumed/forked instance whose contributor grew is gated on the grown + * value from its very first step). Compaction itself can only + * shrink HISTORY: a prefix that alone approaches the window is a + * configuration error no compactor fixes. * * Retention is a UNIFORM tail→head walk over the whole surface — turn * boundaries play NO role. Walking node-by-node from the tail and summing @@ -348,16 +398,15 @@ export class BasicCompactService extends CompactService { */ override async compactIfNeeded( agent: Agent, - turn: number, - step: number, fullSystemPrompt: string, + sessionPrefix: readonly Message[], signal: AbortSignal, ): Promise<CompactionResult | null> { const session = agent.session const threshold = Math.floor(this.config.contextWindow * this.config.thresholdRatio) let result: CompactionResult | null = null for (let attempt = 0; attempt <= this.config.compactionRetries; attempt++) { - const totalTokens = this.estimateTokens(session.deriveMessages(), fullSystemPrompt) + const totalTokens = this.estimatePressure(session, fullSystemPrompt, sessionPrefix) if (totalTokens < threshold) return result const range = this._compactableRange(session) @@ -368,10 +417,10 @@ export class BasicCompactService extends CompactService { break } - result = await this.compactRegion(session, range.start, range.end, agent, turn, step, signal) + result = await this.compactRegion(session, range.start, range.end, agent, signal) } - const totalTokens = this.estimateTokens(session.deriveMessages(), fullSystemPrompt) + const totalTokens = this.estimatePressure(session, fullSystemPrompt, sessionPrefix) if (totalTokens < threshold) return result throw new Error( @@ -380,13 +429,25 @@ export class BasicCompactService extends CompactService { ) } + /** + * Estimated token pressure of the NEXT request: the session prefix + * (`EpochHeader.messagePrefix` — request-only messages the loop sends in + * front of the derived history, composed before the pre-step seam and + * handed to the gate), the derived history, and the system prompt. + * @param session - the session whose next request is being estimated. + * @param fullSystemPrompt - the assembled system prompt (counts toward pressure). + * @param sessionPrefix - the instance's composed session prefix (counts toward pressure). + * @returns the estimated token total the next request will carry. + */ + estimatePressure(session: Session, fullSystemPrompt: string, sessionPrefix: readonly Message[]): number { + return this.estimateTokens([...sessionPrefix, ...session.deriveMessages()], fullSystemPrompt) + } + override async compactRegion( session: Session, start: number, end: number, agent: Agent, - turn: number, - step: number, signal?: AbortSignal, ): Promise<CompactionResult> { // Resolve the range by surface POSITION, not numeric seq interval. A prior @@ -449,8 +510,8 @@ export class BasicCompactService extends CompactService { try { // --- Extract text and summarize --- - const text = this._extractText(session, shadowedSeqs) - const summary = await this.summarize(text, agent, turn, step, signal) + const text = renderTranscript(session.events, shadowedSeqs) + const { summary, model, maxTokens } = await this.summarize(text, agent, signal) // Estimate token count of the shadowed content for provenance. let shadowedTokenCount = 0 @@ -472,6 +533,8 @@ export class BasicCompactService extends CompactService { shadowedRange: { start, end }, shadowedSeqs, shadowedTokenCount, + model, + ...maxTokens !== undefined ? { maxTokens } : {}, }) // --- Surface replacement --- @@ -643,104 +706,6 @@ export class BasicCompactService extends CompactService { } return null } - - /** - * Extract plain-text conversation from a set of surface node seqs, for - * feeding into the summarization model. Walks the seqs in the order given - * (surface order, as `compactRegion` slices the surface-node list) so the - * summary follows the conversation as the model sees it — which, after a - * `replace`, is NOT ascending log-seq order (a high-seq summary node heads the - * surface before older retained lower-seq nodes). - */ - private _extractText(session: Session, seqs: number[]): string { - const lines: string[] = [] - - // Walk seqs in the order given (surface order, as compactRegion slices the - // surface-node list) — NOT ascending log-seq order. After a replace the - // summary node carries a fresh high seq while sitting at the head of the - // surface before older retained lower-seq nodes, so a log-order scan would - // feed the transcript out of order and break the checkpoint-merge prompt. - for (const seq of seqs) { - const event = session.events[seq] - /* v8 ignore next -- seq is a surface-node seq, always a valid log index by construction */ - if (!event) continue - - switch (event.type) { - case 'user/message': { - const text = this._blocksToText(event.data.content) - if (text) lines.push(`User: ${text}`) - break - } - case 'assistant/message': { - const text = this._blocksToText(event.data.content) - if (text) lines.push(`Assistant: ${text}`) - break - } - case 'tool/result': { - const text = this._blocksToText(event.data.content) - const label = event.data.isError ? 'Tool error' : 'Tool result' - if (text) lines.push(`${label} (call ${event.data.callId}): ${text}`) - break - } - case 'context/message': { - const text = this._blocksToText(event.data.content) - if (text) lines.push(`[Context: ${text}]`) - break - } - case 'steering/message': { - const text = this._blocksToText(event.data.content) - if (text) lines.push(`[Steering: ${text}]`) - break - } - // SessionEventMap is merge-extensible — unknown types are - // non-message events that carry no extractable text. - /* v8 ignore next 2 -- seqs only name surface nodes, always one of the 5 handled SurfaceEventTypes; unreachable */ - default: - break - } - } - - return lines.join('\n\n') - } - - /** - * Render content blocks to a single plain-text string for the summarization - * prompt. Text and reasoning contribute their text; every other block type - * contributes a type-tagged placeholder (`[image]`, `[tool-call: name(args)]`, - * …) so the summarizer is told what non-text content existed in the region - * rather than silently losing it. Blocks join with newlines; empty-text - * blocks contribute nothing. - */ - private _blocksToText(blocks: readonly ContentBlock[]): string { - const parts: string[] = [] - for (const block of blocks) { - switch (block.type) { - case 'text': - if (block.text) parts.push(block.text) - break - case 'reasoning': - if (block.text) parts.push(`[reasoning: ${block.text}]`) - break - case 'tool-call': - parts.push(`[tool-call: ${block.name}(${block.arguments})]`) - break - case 'tool-result': { - const inner = this._blocksToText(block.content) - parts.push(inner ? `[tool-result: ${inner}]` : '[tool-result]') - break - } - case 'image': - parts.push('[image]') - break - // ContentBlockMap is merge-extensible — render an unknown block as a - // bare type-tagged placeholder so a plugin-added block type is still - // signalled to the summarizer rather than dropped. - default: - parts.push(`[${(block as ContentBlock).type}]`) - } - } - return parts.join('\n') - } } export default BasicCompactService diff --git a/packages/compact/compact-basic/src/types.ts b/packages/compact/compact-basic/src/types.ts index 98195d8883..a590c01431 100644 --- a/packages/compact/compact-basic/src/types.ts +++ b/packages/compact/compact-basic/src/types.ts @@ -10,10 +10,12 @@ */ /** - * Backend configuration. Every knob is REQUIRED except `auto`: there is no - * concrete data yet to justify default thresholds/budgets, so a consumer must - * state each value explicitly rather than inherit a guessed default. `auto` - * alone defaults to `true` (auto-compaction is the intended posture). + * Backend configuration. Every knob is REQUIRED except `auto` and + * `charsPerToken`: there is no concrete data yet to justify default + * thresholds/budgets, so a consumer must state each value explicitly rather + * than inherit a guessed default. `auto` alone defaults to `true` + * (auto-compaction is the intended posture), and `charsPerToken` defaults to + * the English-text heuristic its estimator was calibrated on. */ export interface BasicCompactConfig { /** Context window size in tokens. */ @@ -30,13 +32,21 @@ export interface BasicCompactConfig { compactionRetries: number /** Enable automatic compaction on the `agent/pre-step` seam (default true). */ auto?: boolean + /** + * Text density for the token estimator: estimated tokens = chars / + * `charsPerToken`. Defaults to 4 (typical English text). A CJK-heavy + * deployment should set ~1-2 — CJK runs at roughly 1-2 chars per token, so + * the default UNDERestimates several-fold and compaction fires far too late. + * May be fractional. + */ + charsPerToken?: number } -/** Resolved config with `auto` defaulted. */ +/** Resolved config with `auto` and `charsPerToken` defaulted. */ export type ResolvedConfig = Required<BasicCompactConfig> /** - * Default `auto` when unset and reject nonsensical numeric knobs. + * Default `auto`/`charsPerToken` when unset and reject nonsensical numeric knobs. * * Convergence is not a static config invariant: provider generation caps can be * spent on hidden or surfaced reasoning tokens, and the model may emit a summary @@ -44,15 +54,19 @@ export type ResolvedConfig = Required<BasicCompactConfig> * each committed summary must be smaller than the content it shadows, and * `compactIfNeeded` may re-compact up to `compactionRetries` extra times before * throwing if the surface still exceeds the threshold. + * + * @param config - the raw, unresolved backend config. + * @returns the validated config with `auto` and `charsPerToken` defaulted. */ export function resolveConfig(config: BasicCompactConfig): ResolvedConfig { - const resolved: ResolvedConfig = { auto: true, ...config } + const resolved: ResolvedConfig = { auto: true, charsPerToken: 4, ...config } assertPositiveInteger('contextWindow', resolved.contextWindow) assertRatio('thresholdRatio', resolved.thresholdRatio) assertNonNegativeInteger('retainTokens', resolved.retainTokens) assertPositiveInteger('maxTokens', resolved.maxTokens) assertNonNegativeInteger('compactionRetries', resolved.compactionRetries) + assertPositiveFinite('charsPerToken', resolved.charsPerToken) if (typeof resolved.summarizationModel !== 'string') { throw new Error('BasicCompactConfig: summarizationModel must be a string.') } @@ -74,6 +88,12 @@ function assertNonNegativeInteger(name: string, value: number): void { } } +function assertPositiveFinite(name: string, value: number): void { + if (typeof value !== 'number' || !Number.isFinite(value) || value <= 0) { + throw new Error(`BasicCompactConfig: ${name} (${value}) must be a positive finite number.`) + } +} + function assertRatio(name: string, value: number): void { if (typeof value !== 'number' || !Number.isFinite(value) || value <= 0 || value > 1) { throw new Error(`BasicCompactConfig: ${name} (${value}) must be a number in (0, 1].`) diff --git a/packages/compact/compact-basic/tests/compact-basic.spec.ts b/packages/compact/compact-basic/tests/compact-basic.spec.ts index 1929e656be..e3d80cd567 100644 --- a/packages/compact/compact-basic/tests/compact-basic.spec.ts +++ b/packages/compact/compact-basic/tests/compact-basic.spec.ts @@ -58,13 +58,13 @@ class TestCompactService extends BasicCompactService { return blocks.length * 10 } - override async summarize(text: string, agent: Agent): Promise<ContentBlock[]> { + override async summarize(text: string, agent: Agent): Promise<{ summary: ContentBlock[]; model: string; maxTokens?: number }> { const model = this.config.summarizationModel || agent.options.model || '' this.summarizeCalls.push({ text, model }) if (this.summarizeError) throw this.summarizeError const summary = this.mockSummaryQueue.shift() ?? this.mockSummary this.summaryOutputs.add(summary) - return summary + return { summary, model } } } @@ -402,6 +402,9 @@ describe('BasicCompactService.compactRegion', () => { expect(startEvent).toBeDefined() expect(summaryEvent).toBeDefined() expect(endEvent).toBeDefined() + // The provenance record carries the summarize call's envelope, so "which + // model wrote this summary" is answerable from the log alone. + expect(summaryEvent?.type === 'compact/summary' && summaryEvent.data.model).toBe('test-model') // compact/* events are log-only — no surfaceOp (type system enforces this). const startRaw = startEvent as unknown as { surfaceOp?: unknown } @@ -554,6 +557,24 @@ describe('BasicCompactService.compactIfNeeded', () => { expect(result!.shadowedSeqs.length).toBeGreaterThan(0) }) + it('counts the session prefix toward pressure (every request carries it in front of the history)', async () => { + const svc = createTestService({ contextWindow: 200, thresholdRatio: 0.5, retainTokens: 10 }) + const session = multiTurnSession(3, 1) // 6 derived messages ≈ 84 estimated tokens — under the 100 threshold alone + expect(await compactIfNeeded(svc, session, '', 'm', SIGNAL)).toBeNull() + + // The loop composes the agent/session-prefix product before the pre-step + // seam and hands it to the gate; it rides every request, so pressure must + // include it — the same history now crosses the threshold. + const sessionPrefix: Message[] = [ + { role: 'user', content: [{ type: 'text', text: `opener one.${LONG_FIXTURE_TEXT}` }] }, + { role: 'user', content: [{ type: 'text', text: `opener two.${LONG_FIXTURE_TEXT}` }] }, + ] + const result = await compactIfNeeded(svc, session, '', 'm', SIGNAL, sessionPrefix) + expect(result).not.toBeNull() + // The prefix itself is NOT history: compaction shadowed surface nodes only. + expect(sessionPrefix).toHaveLength(2) + }) + it('returns the first compaction result when a zero-retry pass converges after the loop', async () => { // With compactionRetries=0 there is no next-loop threshold check after the // first mutation, so the success path is the post-loop `return result`. @@ -811,15 +832,23 @@ describe('BasicCompactService token estimation (char/4 heuristic)', () => { ])).toBe(10) }) - it('estimates image blocks at fixed 85 tokens', () => { - const svc = new BasicCompactService(new Context(), cfg({ auto: false })) - expect(svc.estimateContentTokens([{ type: 'image', url: 'https://example.com/img.png' }])).toBe(85) - }) - it('returns 0 for empty content blocks', () => { const svc = new BasicCompactService(new Context(), cfg({ auto: false })) expect(svc.estimateContentTokens([])).toBe(0) }) + + it('honors a configured charsPerToken (fractional densities included)', () => { + // 'this is a somewhat longer text block' = 36 chars. + const blocks: ContentBlock[] = [{ type: 'text', text: 'this is a somewhat longer text block' }] + // charsPerToken 2: ceil(36/2)+4 = 22 — a CJK-density config doubles the estimate. + const dense = new BasicCompactService(new Context(), cfg({ auto: false, charsPerToken: 2 })) + expect(dense.estimateContentTokens(blocks)).toBe(22) + // Fractional density is legal: ceil(36/1.5)+4 = 28. + const fractional = new BasicCompactService(new Context(), cfg({ auto: false, charsPerToken: 1.5 })) + expect(fractional.estimateContentTokens(blocks)).toBe(28) + // The system-prompt term scales with the same knob: 36-char prompt at density 2 → ceil(36/2) = 18. + expect(dense.estimateTokens([], 'this is a somewhat longer text block')).toBe(18) + }) }) describe('BasicCompactService HMR safety', () => { @@ -862,6 +891,10 @@ describe('BasicCompactService config validation', () => { )).toThrow(/summarizationModel must be a string/) expect(() => new BasicCompactService(new Context(), cfg({ auto: 'no' } as unknown as Partial<BasicCompactConfig>))) .toThrow(/auto must be a boolean/) + expect(() => new BasicCompactService(new Context(), cfg({ auto: false, charsPerToken: 0 }))) + .toThrow(/charsPerToken .* positive finite number/) + expect(() => new BasicCompactService(new Context(), cfg({ auto: false, charsPerToken: Number.NaN }))) + .toThrow(/charsPerToken .* positive finite number/) }) it('accepts a large retain budget because convergence is enforced dynamically', () => { @@ -967,8 +1000,9 @@ function compactIfNeeded( fullSystemPrompt: string, model: string, signal: AbortSignal, + sessionPrefix: readonly Message[] = [], ) { - return svc.compactIfNeeded(stubAgent(session, model), 1, 1, fullSystemPrompt, signal) + return svc.compactIfNeeded(stubAgent(session, model), fullSystemPrompt, sessionPrefix, signal) } function compactRegion( @@ -979,11 +1013,11 @@ function compactRegion( model: string, signal?: AbortSignal, ) { - return svc.compactRegion(session, start, end, stubAgent(session, model), 1, 1, signal) + return svc.compactRegion(session, start, end, stubAgent(session, model), signal) } function summarize(svc: BasicCompactService, text: string, model: string) { - return svc.summarize(text, stubAgent(new Session(SessionId('summary')), model), 1, 1) + return svc.summarize(text, stubAgent(new Session(SessionId('summary')), model)) } describe('BasicCompactService.summarize (real ctx.llm.stream)', () => { @@ -991,8 +1025,12 @@ describe('BasicCompactService.summarize (real ctx.llm.stream)', () => { const { ctx, adapter } = await ctxWithModel('SUMMARY TEXT') const svc = new BasicCompactService(ctx, cfg({ auto: false, maxTokens: 512 })) - const summary = await summarize(svc, 'User: hi\n\nAssistant: hello', 'test-model') + const { summary, model, maxTokens } = await summarize(svc, 'User: hi\n\nAssistant: hello', 'test-model') expect(summary).toEqual([{ type: 'text', text: 'SUMMARY TEXT' }]) + // The returned envelope reports what the call actually used — the caller + // logs it on compact/summary (the reconstructability RFC). + expect(model).toBe('test-model') + expect(maxTokens).toBe(512) // The fixed system prompt and maxTokens flow through. expect(adapter.lastOptions!.system).toContain('compaction engine') expect(adapter.lastOptions!.system).toContain('## Next Step') @@ -1023,7 +1061,7 @@ describe('BasicCompactService.summarize (real ctx.llm.stream)', () => { ]) const svc = new BasicCompactService(ctx, cfg({ auto: false })) - const summary = await summarize(svc, 'User: hi', 'test-model') + const { summary } = await summarize(svc, 'User: hi', 'test-model') expect(summary).toEqual([{ type: 'text', text: 'PUBLIC SUMMARY' }]) }) @@ -1132,7 +1170,7 @@ describe('BasicCompactService.summarize (real ctx.llm.stream)', () => { describe('BasicCompactService auto-compaction (agent/pre-step listener)', () => { /** Fire the agent/pre-step serial checkpoint as the loop does. */ function firePreStep(ctx: Context, agent: Agent, step: number, fullSystemPrompt: string): Promise<unknown> { - return ctx.serial('agent/pre-step', agent, 1, step, fullSystemPrompt, SIGNAL) + return ctx.serial('agent/pre-step', agent, 1, step, fullSystemPrompt, [], SIGNAL) } it('compacts (mutating the surface) when over threshold', async () => { @@ -1219,17 +1257,22 @@ describe('BasicCompactService auto-compaction (agent/pre-step listener)', () => expect(session.events.some(e => e.type === 'compact/start')).toBe(false) }) - it('routes summarization through agent/request so router agents can choose the model', async () => { + it('summarization is interceptable at llm/stream (model routing for direct calls)', async () => { const { ctx, adapter } = await ctxWithModel('ROUTED SUMMARY', 'routed-model') - ctx.on('agent/request', async (_agent, _turn, _step, options, next) => { + // The summarize call is a direct one-shot model call, not a loop step: it + // does not run agent/request (that seam shapes the loop's conversation + // requests). llm/stream is its interception surface, and a hand-built + // request is not frozen, so mutate-then-next model routing works — the + // adapter resolves AFTER the waterfall, so the rewrite picks the adapter. + ctx.on('llm/stream', (options, next) => { options.model = 'routed-model' return next() }) void new BasicCompactService(ctx, cfg({ contextWindow: 200, thresholdRatio: 0.5, retainTokens: 20 })) const session = multiTurnSession(5, 1) - const agent = stubAgent(session) + const agent = stubAgent(session, 'agent-model') - await ctx.serial('agent/pre-step', agent, 1, 1, '', SIGNAL) + await ctx.serial('agent/pre-step', agent, 1, 1, '', [], SIGNAL) expect(adapter.lastOptions?.model).toBe('routed-model') expect(session.events.some(e => e.type === 'compact/summary')).toBe(true) @@ -1254,7 +1297,7 @@ describe('BasicCompactService auto-compaction (agent/pre-step listener)', () => }) }) -describe('BasicCompactService._extractText branches', () => { +describe('BasicCompactService transcript rendering (delegated to dsh-compact)', () => { it('renders reasoning, context, and steering messages', async () => { const svc = createTestService() const s = new Session(SessionId('rich')) @@ -1324,7 +1367,7 @@ describe('BasicCompactService edge cases', () => { s.append('assistant/message', { turn: 1, step: 1, content: [ - { type: 'tool-result', toolCallId: CallId('n1'), content: [{ type: 'image', url: 'https://x/n.png' }] }, + { type: 'tool-result', toolCallId: CallId('n1'), content: [{ type: 'chart', data: 'x' } as unknown as ContentBlock] }, { type: 'custom-widget', payload: 'x' } as unknown as ContentBlock, { type: 'tool-call', id: CallId('b1'), name: 'bash', arguments: '{}' }, ], @@ -1343,7 +1386,7 @@ describe('BasicCompactService edge cases', () => { const nodes = s.surface.nodes await compactRegion(svc, s, nodes[0]!.seq, nodes[nodes.length - 1]!.seq, 'm') const { text } = svc.summarizeCalls[0]! - expect(text).toContain('[tool-result: [image]]') // nested tool-result with content + expect(text).toContain('[tool-result: [chart]]') // nested tool-result with content expect(text).toContain('[custom-widget]') // unknown block placeholder expect(text).toContain('Tool result (call b1): [tool-result]') // empty nested → bare placeholder }) @@ -1368,7 +1411,7 @@ describe('BasicCompactService edge cases', () => { const session = multiTurnSession(4, 1) const agent = stubAgent(session, 'test-model') - await ctx.serial('agent/pre-step', agent, 1, 1, '', SIGNAL) + await ctx.serial('agent/pre-step', agent, 1, 1, '', [], SIGNAL) expect(session.events.some(e => e.type === 'compact/summary')).toBe(true) // The surface was mutated; the head message is the framed summary checkpoint. expect(session.deriveMessages()[0]!.content).toContainEqual({ type: 'text', text: 'SUMMARY' }) @@ -1448,7 +1491,7 @@ describe('BasicCompactService edge cases', () => { const agent = stubAgent(session, 'test-model') const before = session.surface.nodes.length - await ctx.serial('agent/pre-step', agent, 1, 1, '', SIGNAL) + await ctx.serial('agent/pre-step', agent, 1, 1, '', [], SIGNAL) // The failure was swallowed; the surface is untouched and a warning logged. expect(session.surface.nodes.length).toBe(before) expect(session.events.some(e => e.type === 'compact/summary')).toBe(false) @@ -1465,7 +1508,7 @@ describe('BasicCompactService edge cases', () => { const agent = stubAgent(session, 'test-model') const bigSystem = 'x'.repeat(900) // ceil(900/4)=225 > threshold 200 - await ctx.serial('agent/pre-step', agent, 1, 1, bigSystem, SIGNAL) + await ctx.serial('agent/pre-step', agent, 1, 1, bigSystem, [], SIGNAL) expect(session.events.some(e => e.type === 'compact/start')).toBe(false) expect(svc.summarizeCalls.length).toBe(0) }) @@ -1510,25 +1553,28 @@ describe('BasicCompactService edge cases', () => { it('renders non-text blocks as type-tagged placeholders across all message kinds', async () => { const svc = createTestService() const s = new Session(SessionId('placeholders')) + // A plugin-added block type (merge-extensible ContentBlockMap) — the + // placeholder path must cover every message kind, not just assistant. + const chart = (id: string): ContentBlock => ({ type: 'chart', data: id } as unknown as ContentBlock) s.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) s.append('step/start', { turn: 1, step: 1 }) - // user/message with only an image block → '[image]' placeholder. - s.append('user/message', { content: [{ type: 'image', url: 'https://x/y.png' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) - // assistant/message with an image block AND the tool-call its tool/result - // answers (so the surface is tool-pairing balanced) → '[image]' placeholder. + // user/message with only a plugin-added block → '[chart]' placeholder. + s.append('user/message', { content: [chart('y')], source: { kind: 'user' } }, { surfaceOp: 'append' }) + // assistant/message with a plugin-added block AND the tool-call its + // tool/result answers (so the surface is tool-pairing balanced). s.append('assistant/message', { turn: 1, step: 1, content: [ - { type: 'image', url: 'https://x/z.png' }, + chart('z'), { type: 'tool-call', id: CallId('e1'), name: 'bash', arguments: '{}' }, ], }, { surfaceOp: 'append' }) - // tool/result with an image block → '[image]' placeholder. + // tool/result with a plugin-added block → '[chart]' placeholder. s.append('tool/call', { turn: 1, step: 1, callId: CallId('e1'), name: 'bash', arguments: '{}' }) - s.append('tool/result', { turn: 1, step: 1, callId: CallId('e1'), content: [{ type: 'image', url: 'https://x/r.png' }], isError: false }, { surfaceOp: 'append' }) - // context/message and steering/message with image content. - s.append('context/message', { content: [{ type: 'image', url: 'https://x/c.png' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) - s.append('steering/message', { turn: 1, content: [{ type: 'image', url: 'https://x/s.png' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + s.append('tool/result', { turn: 1, step: 1, callId: CallId('e1'), content: [chart('r')], isError: false }, { surfaceOp: 'append' }) + // context/message and steering/message with plugin-added content. + s.append('context/message', { content: [chart('c')], source: { kind: 'user' } }, { surfaceOp: 'append' }) + s.append('steering/message', { turn: 1, content: [chart('s')], source: { kind: 'user' } }, { surfaceOp: 'append' }) s.append('step/end', { turn: 1, step: 1 }) s.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) s.append('turn/start', { turn: 2, trigger: { kind: 'message', source: { kind: 'user' } } }) @@ -1537,11 +1583,11 @@ describe('BasicCompactService edge cases', () => { await compactRegion(svc, s, nodes[0]!.seq, nodes[nodes.length - 1]!.seq, 'm') const { text } = svc.summarizeCalls[0]! // Every non-text block surfaces as a placeholder rather than being dropped. - expect(text).toContain('User: [image]') - expect(text).toContain('Assistant: [image]') - expect(text).toContain('Tool result (call e1): [image]') - expect(text).toContain('[Context: [image]]') - expect(text).toContain('[Steering: [image]]') + expect(text).toContain('User: [chart]') + expect(text).toContain('Assistant: [chart]') + expect(text).toContain('Tool result (call e1): [chart]') + expect(text).toContain('[Context: [chart]]') + expect(text).toContain('[Steering: [chart]]') }) }) diff --git a/packages/compact/compact-basic/tests/compact-loop-repro.spec.ts b/packages/compact/compact-basic/tests/compact-loop-repro.spec.ts index 319e30a73c..f2ca3ccdd0 100644 --- a/packages/compact/compact-basic/tests/compact-loop-repro.spec.ts +++ b/packages/compact/compact-basic/tests/compact-loop-repro.spec.ts @@ -41,8 +41,8 @@ class ReproCompactService extends BasicCompactService { return blocks.length * TOKENS_PER_BLOCK } - override async summarize(): Promise<ContentBlock[]> { - return [{ type: 'text', text: 'CHECKPOINT SUMMARY' }] + override async summarize(): Promise<{ summary: ContentBlock[]; model: string }> { + return { summary: [{ type: 'text', text: 'CHECKPOINT SUMMARY' }], model: 'stub' } } } diff --git a/packages/compact/compact/README.md b/packages/compact/compact/README.md index b6f3cc0920..e98f00899f 100644 --- a/packages/compact/compact/README.md +++ b/packages/compact/compact/README.md @@ -6,8 +6,8 @@ This package is the interface tier of the compaction capability, split so each c | Package | Role | |---|---| -| `@deepseek-ai/dsh-compact` (this) | the interface: abstract service + `compact/*` events + `CompactionResult` | -| `@deepseek-ai/dsh-compact-basic` (deferred) | a backend: char/4 estimation + token-budget retention + `llm.stream()` summarization | +| `@deepseek-ai/dsh-compact` (this) | the interface: abstract service + `compact/*` events + `CompactionResult` + the shared transcript renderer (`renderTranscript`/`renderContentBlocks`) | +| `@deepseek-ai/dsh-compact-basic` (deferred) | a backend: chars-per-token estimation (`charsPerToken`, default 4) + token-budget retention + `llm.stream()` summarization | | `@deepseek-ai/dsh-tool-compact` (deferred) | the model-facing `/compact` tool over `ctx.compact` | Unlike the bash seam, this interface depends on `@deepseek-ai/dsh-session` and `@deepseek-ai/dsh-llm` — the contract's verbs are defined over a `Session` and its output is the `ContentBlock` vocabulary, so they cannot be expressed without naming those packages. That deviation from the "interface depends only on cordis" guidance is intentional and recorded in the [compaction capability-seam RFC](../../../docs/rfc/implemented/feature/2026-06-18-compaction-capability-seam.md). @@ -18,8 +18,8 @@ Both methods are **abstract** — the backend owns the entire strategy (token es | Member | Semantics | |---|---| -| `compactIfNeeded(agent, turn, step, fullSystemPrompt, signal)` | Estimate the surface-derived history size; if over the backend's threshold, compact an older range via `compactRegion`, keeping recent context intact. Returns the `CompactionResult`, or `null` if nothing needed compacting. All parameters required — the loop's `agent/pre-step` checkpoint supplies the agent, lifecycle context, assembled `fullSystemPrompt`, and turn `signal`; router-aware summarizers can use the agent lifecycle context to route their own model call through `agent/request`. | -| `compactRegion(session, start, end, agent, turn, step, signal?)` | Forcibly summarize surface nodes `[start, end]` (inclusive seqs) into a single replacement node. **Throws** if a compaction is already in progress, if `start`/`end` aren't surface nodes, or if `start` is positioned after `end` on the surface. The range is a SURFACE-POSITION span, not a numeric seq interval — after a prior replace lands a fresh high-seq summary node at the shadowed range's position, surface order no longer tracks seq order. | +| `compactIfNeeded(agent, fullSystemPrompt, sessionPrefix, signal)` | Estimate the surface-derived history size; if over the backend's threshold, compact an older range via `compactRegion`, keeping recent context intact. Returns the `CompactionResult`, or `null` if nothing needed compacting. All parameters required — the loop's `agent/pre-step` checkpoint supplies the agent, assembled `fullSystemPrompt`, composed `sessionPrefix` (request-only messages every request carries but the derived history omits — the pressure estimate must count them), and turn `signal`. A backend's summarization request is a direct `ctx.llm.stream()` call (not a loop step), so per-call interception happens at `llm/stream`. | +| `compactRegion(session, start, end, agent, signal?)` | Forcibly summarize surface nodes `[start, end]` (inclusive seqs) into a single replacement node. **Throws** if a compaction is already in progress, if `start`/`end` aren't surface nodes, or if `start` is positioned after `end` on the surface. The range is a SURFACE-POSITION span, not a numeric seq interval — after a prior replace lands a fresh high-seq summary node at the shadowed range's position, surface order no longer tracks seq order. | `compactIfNeeded` takes a required `signal`; `compactRegion`'s is optional. A backend that summarizes via `ctx.llm.stream()` **must** forward it into the call's `GenerateOptions.signal`, so an abort or fiber dispose tears down the in-flight summarization instead of leaving an orphaned model call running past the cancellation. The session being compacted comes from the agent context; the turn that the `compact/*` events belong to is recoverable from the log (the currently-open turn), so the backend stamps it from the log rather than trusting a caller-supplied value. @@ -43,13 +43,7 @@ Compaction is serialized via a log-recorded lock: `compactRegion` refuses to sta ## Events -The `compact/*` events extend `SessionEventMap` (merge-extensible) via declaration merging — they are session events, not cordis `Events`: - -| Event | Payload | On surface? | -|---|---|---| -| `compact/start` | `{ turn }` | no (log-only) | -| `compact/summary` | `{ summary, shadowedRange, shadowedSeqs, shadowedTokenCount }` | no (log-only) | -| `compact/end` | `{ turn, error? }` | no (log-only) | +The `compact/*` events extend `SessionEventMap` (merge-extensible) via declaration merging — they are session events, not cordis `Events`, and all three are log-only (no `surfaceOp`). Per-event payloads and semantics are in the generated [persistence log event catalog](../../../docs/persistence-catalog.md). ## Implementing a backend diff --git a/packages/compact/compact/src/index.ts b/packages/compact/compact/src/index.ts index 37c94920f3..7d1138314c 100644 --- a/packages/compact/compact/src/index.ts +++ b/packages/compact/compact/src/index.ts @@ -22,10 +22,12 @@ */ import { Context, Service } from 'cordis' +import type { Message } from '@deepseek-ai/dsh-llm' import type { Session } from '@deepseek-ai/dsh-session' import type { CompactionResult } from './types.ts' export type { CompactionResult } from './types.ts' +export { renderContentBlocks, renderTranscript } from './render.ts' /** Minimal agent context compaction needs without depending on the agent package. */ export interface CompactAgentContext { @@ -68,16 +70,20 @@ export abstract class CompactService extends Service { /** * Check token pressure and compact if the conversation is too large. * - * Estimates the current surface-derived history size (including the system - * prompt), and if it exceeds the backend's threshold, compacts an older range + * Estimates the NEXT request's size — the session prefix, the + * surface-derived history, and the system prompt — and if it exceeds the + * backend's threshold, compacts an older range * via {@link compactRegion}, keeping recent context intact. Returns `null` * when no compaction is needed. * * Scope and guarantees a backend MUST honor: - * - **Surface-derived history only.** The decision is made against the history - * derived from the session surface — the only thing compaction can act on. - * Non-surface context injected downstream (into the request `messages` by a - * later listener) is out of this accounting by construction. + * - **Compaction acts on surface-derived history only**, but the ESTIMATE + * counts everything the request carries: the loop composes the session + * prefix before the pre-step seam fires and hands it here, so the gate + * sees the prefix this instance will actually send (`EpochHeader.messagePrefix` + * — request-only, never derived history). Non-surface context injected + * downstream (into the request `messages` by a later listener) is out of + * this accounting by construction. * - **Head-anchored, best-effort.** Auto-compaction consolidates from the * surface HEAD up to a balanced tool-pairing cutoff, so a prior head * checkpoint is @@ -88,12 +94,14 @@ export abstract class CompactService extends Service { * - **Single-unit overflow is out of scope.** If a single retained unit (one * closed step, or a large free node such as a pasted `user/message`) ALONE * exceeds the budget, compaction cannot help and the call may go out - * over-budget. Bounding an individual unit's size is a separate concern. + * over-budget. Bounding an individual unit's size is a separate concern — + * as is a session prefix that alone approaches the window (a + * configuration error no compactor fixes: compaction cannot shrink the + * prefix). * * @param agent - agent context owning the session surface and model options. - * @param turn - turn number of the pre-step checkpoint. - * @param step - step number about to start. * @param fullSystemPrompt - assembled system prompt, counted toward the estimate. + * @param sessionPrefix - the instance's composed session prefix, counted toward the estimate. * @param signal - cancellation signal. A backend summarizing via * `ctx.llm.stream()` MUST forward this into the call's `GenerateOptions.signal` * so an abort/dispose tears down the in-flight summarization rather than @@ -102,9 +110,8 @@ export abstract class CompactService extends Service { */ abstract compactIfNeeded( agent: CompactAgentContext, - turn: number, - step: number, fullSystemPrompt: string, + sessionPrefix: readonly Message[], signal: AbortSignal, ): Promise<CompactionResult | null> @@ -129,8 +136,6 @@ export abstract class CompactService extends Service { * @param start - inclusive seq of the first surface node to compact. * @param end - inclusive seq of the last surface node to compact. * @param agent - agent context used by router-aware summarizers. - * @param turn - lifecycle turn forwarded to request-routing seams. - * @param step - lifecycle step forwarded to request-routing seams. * @param signal - optional cancellation signal. A backend that summarizes via * `ctx.llm.stream()` MUST forward this into the call's `GenerateOptions.signal` * so an abort/dispose tears down the in-flight summarization rather than @@ -148,8 +153,6 @@ export abstract class CompactService extends Service { start: number, end: number, agent: CompactAgentContext, - turn: number, - step: number, signal?: AbortSignal, ): Promise<CompactionResult> } diff --git a/packages/compact/compact/src/render.ts b/packages/compact/compact/src/render.ts new file mode 100644 index 0000000000..6e977df007 --- /dev/null +++ b/packages/compact/compact/src/render.ts @@ -0,0 +1,118 @@ +/** + * Plain-text transcript rendering over session events: the shared projection + * used wherever a compaction-class consumer needs "what a model once saw" as + * readable text — a summarizer's input, or a recall tool's output. + * + * Extracted from the basic backend's private helpers so the summarize path and + * the recall read path render one span identically (two renderers would drift, + * and a recall reader would then see a different transcript than the one the + * summary was written from). Both functions are pure over their arguments: no + * session access beyond the provided events, no clock, no randomness — a + * rendered span is a pure function of the log, so replay reproduces it + * byte-identically. + * + * @module @deepseek-ai/dsh-compact/render + */ + +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import type { SessionEvent } from '@deepseek-ai/dsh-session' + +/** + * Render content blocks to a single plain-text string. Text and reasoning + * contribute their text (reasoning wrapped as `[reasoning: …]`); every other + * block type contributes a type-tagged placeholder (`[tool-call: name(args)]`, + * `[tool-result: …]`, …) so the reader is told what non-text content existed + * rather than silently losing it. A `tool-result` block recurses into its + * nested content (`[tool-result: <inner rendering>]`), falling back to a bare + * `[tool-result]` when the nested content renders to nothing. Blocks join + * with newlines; empty-text blocks contribute nothing. + * + * @param blocks - the content blocks to render. + * @returns the newline-joined plain-text rendering; empty string when nothing renders. + */ +export function renderContentBlocks(blocks: readonly ContentBlock[]): string { + const parts: string[] = [] + for (const block of blocks) { + switch (block.type) { + case 'text': + if (block.text) parts.push(block.text) + break + case 'reasoning': + if (block.text) parts.push(`[reasoning: ${block.text}]`) + break + case 'tool-call': + parts.push(`[tool-call: ${block.name}(${block.arguments})]`) + break + case 'tool-result': { + const inner = renderContentBlocks(block.content) + parts.push(inner ? `[tool-result: ${inner}]` : '[tool-result]') + break + } + // ContentBlockMap is merge-extensible — render an unknown block as a + // bare type-tagged placeholder so a plugin-added block type is still + // signalled to the reader rather than dropped. + default: + parts.push(`[${(block as ContentBlock).type}]`) + } + } + return parts.join('\n') +} + +/** + * Render a set of surface-node seqs as a `User:`/`Assistant:`/`Tool result:` + * transcript. Walks `seqs` in the order given — callers pass surface order + * (e.g. a `compactRegion` slice of the surface-node list), which after a + * `replace` is NOT ascending log-seq order (a high-seq summary node can sit at + * the head of the surface before older retained lower-seq nodes); a log-order + * scan would render the transcript out of order. + * + * Only the five surface (message-producing) event types render; a seq naming + * any other event type contributes nothing. `SessionEventMap` is + * merge-extensible, so unknown types are simply non-message events with no + * renderable text. + * + * @param events - the session log the seqs index into (`session.events`). + * @param seqs - the surface-node seqs to render, in surface order. + * @returns the transcript, entries joined by blank lines; empty string when nothing renders. + */ +export function renderTranscript(events: readonly SessionEvent[], seqs: readonly number[]): string { + const lines: string[] = [] + + for (const seq of seqs) { + const event = events[seq] + if (!event) continue + + switch (event.type) { + case 'user/message': { + const text = renderContentBlocks(event.data.content) + if (text) lines.push(`User: ${text}`) + break + } + case 'assistant/message': { + const text = renderContentBlocks(event.data.content) + if (text) lines.push(`Assistant: ${text}`) + break + } + case 'tool/result': { + const text = renderContentBlocks(event.data.content) + const label = event.data.isError ? 'Tool error' : 'Tool result' + if (text) lines.push(`${label} (call ${event.data.callId}): ${text}`) + break + } + case 'context/message': { + const text = renderContentBlocks(event.data.content) + if (text) lines.push(`[Context: ${text}]`) + break + } + case 'steering/message': { + const text = renderContentBlocks(event.data.content) + if (text) lines.push(`[Steering: ${text}]`) + break + } + default: + break + } + } + + return lines.join('\n\n') +} diff --git a/packages/compact/compact/src/types.ts b/packages/compact/compact/src/types.ts index ba886685d5..ba9834910f 100644 --- a/packages/compact/compact/src/types.ts +++ b/packages/compact/compact/src/types.ts @@ -32,6 +32,15 @@ declare module '@deepseek-ai/dsh-session' { shadowedRange: { start: number; end: number } shadowedSeqs: number[] shadowedTokenCount: number + /** + * The model that wrote the summary — the summarize call's envelope, + * reported by the backend that made the call, logged so the one-shot + * request is reconstructable from log + code and "which model wrote + * this summary" has a durable answer (the reconstructability RFC). + */ + model: string + /** The generation cap the summarize call sent, when one applied. */ + maxTokens?: number } /** Marks the end of a compaction — log-only, releases the lock. `error` set if summarization failed. */ 'compact/end': { turn: number; error?: string } diff --git a/packages/compact/compact/tests/compact.spec.ts b/packages/compact/compact/tests/compact.spec.ts index 5b9e033fcc..c4daa8cc5a 100644 --- a/packages/compact/compact/tests/compact.spec.ts +++ b/packages/compact/compact/tests/compact.spec.ts @@ -2,6 +2,7 @@ import { describe, expect, it } from 'vitest' import { Context } from 'cordis' import { CompactService } from '@deepseek-ai/dsh-compact' import type { CompactionResult } from '@deepseek-ai/dsh-compact' +import type { Message } from '@deepseek-ai/dsh-llm' import { Session, SessionId } from '@deepseek-ai/dsh-session' import type { CompactAgentContext } from '@deepseek-ai/dsh-compact' @@ -17,9 +18,8 @@ class StubCompactService extends CompactService { override async compactIfNeeded( _agent: CompactAgentContext, - _turn: number, - _step: number, _fullSystemPrompt: string, + _sessionPrefix: readonly Message[], signal: AbortSignal, ): Promise<CompactionResult | null> { this.lastSignal = signal @@ -31,8 +31,6 @@ class StubCompactService extends CompactService { start: number, end: number, _agent: CompactAgentContext, - _turn: number, - _step: number, signal?: AbortSignal, ): Promise<CompactionResult> { this.lastSignal = signal @@ -43,6 +41,7 @@ class StubCompactService extends CompactService { shadowedRange: { start, end }, shadowedSeqs: [], shadowedTokenCount: 0, + model: 'stub', }) const endEvent = session.append('compact/end', { turn: 0 }) return { @@ -81,7 +80,7 @@ describe('CompactService seam', () => { const ctx = new Context() const svc = new StubCompactService(ctx) const session = new Session(SessionId('s')) - expect(await svc.compactIfNeeded(stubAgent(session), 1, 1, '', new AbortController().signal)).toBeNull() + expect(await svc.compactIfNeeded(stubAgent(session), '', [], new AbortController().signal)).toBeNull() }) it('compact/* events merge into SessionEventMap and are log-only', async () => { @@ -89,7 +88,7 @@ describe('CompactService seam', () => { const svc = new StubCompactService(ctx) const session = new Session(SessionId('s')) - const result = await svc.compactRegion(session, 0, 0, stubAgent(session, 'm'), 1, 1) + const result = await svc.compactRegion(session, 0, 0, stubAgent(session, 'm')) const startEvent = session.events.find(e => e.type === 'compact/start') expect(startEvent).toBeDefined() @@ -107,10 +106,10 @@ describe('CompactService seam', () => { const session = new Session(SessionId('s')) const controller = new AbortController() - await svc.compactRegion(session, 0, 0, stubAgent(session, 'm'), 1, 1, controller.signal) + await svc.compactRegion(session, 0, 0, stubAgent(session, 'm'), controller.signal) expect(svc.lastSignal).toBe(controller.signal) - await svc.compactIfNeeded(stubAgent(session), 1, 1, '', controller.signal) + await svc.compactIfNeeded(stubAgent(session), '', [], controller.signal) expect(svc.lastSignal).toBe(controller.signal) }) }) diff --git a/packages/compact/compact/tests/render.spec.ts b/packages/compact/compact/tests/render.spec.ts new file mode 100644 index 0000000000..1a22296565 --- /dev/null +++ b/packages/compact/compact/tests/render.spec.ts @@ -0,0 +1,138 @@ +import { describe, expect, it } from 'vitest' +import { renderContentBlocks, renderTranscript } from '@deepseek-ai/dsh-compact' +import { Session, SessionId } from '@deepseek-ai/dsh-session' +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import { CallId } from '@deepseek-ai/dsh-llm' + +function session(): Session { + return new Session(SessionId('render-spec')) +} + +describe('renderContentBlocks', () => { + it('renders text blocks verbatim and skips empty ones', () => { + expect(renderContentBlocks([ + { type: 'text', text: 'hello' }, + { type: 'text', text: '' }, + { type: 'text', text: 'world' }, + ])).toBe('hello\nworld') + }) + + it('wraps reasoning, skipping empty reasoning', () => { + expect(renderContentBlocks([ + { type: 'reasoning', text: 'think' }, + { type: 'reasoning', text: '' }, + ])).toBe('[reasoning: think]') + }) + + it('renders tool-call as a name(args) placeholder', () => { + expect(renderContentBlocks([ + { type: 'tool-call', id: CallId('c1'), name: 'read', arguments: '{"filePath":"a"}' }, + ])).toBe('[tool-call: read({"filePath":"a"})]') + }) + + it('renders tool-result with nested content, and bare when empty', () => { + expect(renderContentBlocks([ + { type: 'tool-result', toolCallId: CallId('c1'), content: [{ type: 'text', text: 'ok' }] }, + { type: 'tool-result', toolCallId: CallId('c2'), content: [] }, + ])).toBe('[tool-result: ok]\n[tool-result]') + }) + + it('renders an unknown (merge-extended) block type as a bare type tag', () => { + const unknown = { type: 'image', data: 'zzz' } as unknown as ContentBlock + expect(renderContentBlocks([unknown])).toBe('[image]') + }) + + it('returns the empty string for no blocks', () => { + expect(renderContentBlocks([])).toBe('') + }) +}) + +describe('renderTranscript', () => { + it('renders each surface event type with its label, in the seq order given', () => { + const s = session() + const user = s.append('user/message', { + content: [{ type: 'text', text: 'fix the bug' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + const assistant = s.append('assistant/message', { + turn: 0, step: 0, + content: [{ type: 'text', text: 'looking' }], + }, { surfaceOp: 'append' }) + const result = s.append('tool/result', { + turn: 0, step: 0, callId: CallId('c1'), + content: [{ type: 'text', text: 'exit 0' }], + isError: false, + }, { surfaceOp: 'append' }) + const context = s.append('context/message', { + content: [{ type: 'text', text: 'file changed' }], + source: { kind: 'plugin', plugin: 'fs' }, + }, { surfaceOp: 'append' }) + const steering = s.append('steering/message', { + turn: 0, + content: [{ type: 'text', text: 'stop that' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + + expect(renderTranscript(s.events, [user.seq, assistant.seq, result.seq, context.seq, steering.seq])).toBe([ + 'User: fix the bug', + 'Assistant: looking', + 'Tool result (call c1): exit 0', + '[Context: file changed]', + '[Steering: stop that]', + ].join('\n\n')) + }) + + it('labels an error tool result "Tool error"', () => { + const s = session() + const result = s.append('tool/result', { + turn: 0, step: 0, callId: CallId('c9'), + content: [{ type: 'text', text: 'boom' }], + isError: true, + }, { surfaceOp: 'append' }) + expect(renderTranscript(s.events, [result.seq])).toBe('Tool error (call c9): boom') + }) + + it('renders NON-log-order seqs in the order given (surface order after a replace)', () => { + const s = session() + const first = s.append('user/message', { + content: [{ type: 'text', text: 'first' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + const second = s.append('user/message', { + content: [{ type: 'text', text: 'second' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + expect(renderTranscript(s.events, [second.seq, first.seq])).toBe('User: second\n\nUser: first') + }) + + it('skips events that render to nothing, non-message events, and seqs with no event', () => { + const s = session() + const empty = s.append('user/message', { + content: [{ type: 'text', text: '' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + const emptyAssistant = s.append('assistant/message', { + turn: 0, step: 0, + content: [{ type: 'text', text: '' }], + }, { surfaceOp: 'append' }) + const emptyResult = s.append('tool/result', { + turn: 0, step: 0, callId: CallId('c3'), + content: [{ type: 'text', text: '' }], + isError: false, + }, { surfaceOp: 'append' }) + const emptyContext = s.append('context/message', { + content: [{ type: 'text', text: '' }], + source: { kind: 'plugin', plugin: 'fs' }, + }, { surfaceOp: 'append' }) + const emptySteering = s.append('steering/message', { + turn: 0, + content: [{ type: 'text', text: '' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + // A log-only (non-surface) event type: contributes nothing to a transcript. + const lock = s.append('compact/start', { turn: 0 }) + expect(renderTranscript(s.events, [ + empty.seq, emptyAssistant.seq, emptyResult.seq, emptyContext.seq, emptySteering.seq, lock.seq, 9999, + ])).toBe('') + }) +}) diff --git a/packages/cordis/README.md b/packages/cordis/README.md new file mode 100644 index 0000000000..70c7e41ce0 --- /dev/null +++ b/packages/cordis/README.md @@ -0,0 +1,7 @@ +# packages/cordis — the self-referential runtime toolset + +Model-facing tools over the live cordis runtime the agent itself runs inside: inspect the loaded plugins and service surface, mount model-written plugins, and dispose them again. Design home: [the toolset RFC](../../docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md). + +| Package | Role | ctx key | +|---|---|---| +| [`tool-cordis/`](tool-cordis/README.md) | The `cordis_inspect` / `cordis_mount` / `cordis_unmount` tools: read the runtime, evaluate model-written plugin code in a `node:vm` sandbox, and manage the dynamic mounts under one group fiber | registers on `ctx.tools` | diff --git a/packages/cordis/tool-cordis/README.md b/packages/cordis/tool-cordis/README.md new file mode 100644 index 0000000000..c4f3cf11b9 --- /dev/null +++ b/packages/cordis/tool-cordis/README.md @@ -0,0 +1,33 @@ +# @deepseek-ai/dsh-tool-cordis + +The self-referential cordis toolset: three model-facing tools over the live runtime the agent runs inside. Design home — sandbox semantics, mount lifecycle, cross-mount composition, the generated API catalog, standing decisions: [the toolset RFC](../../../docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md). + +## What it does + +- `cordis_inspect` — read-only report over the runtime: services, the loaded-plugin list, registered tools, the dynamic-mount table, and the catalog-backed `api` / `events` references. +- `cordis_mount` — evaluates model-written JavaScript (the body of an async function) in a `node:vm` sandbox; the code must `return` a cordis plugin, which is mounted under the `cordis-dynamic` group fiber and tracked as `dyn-<n>`. +- `cordis_unmount` — disposes one mount by id, returning only after quiescence. + +Exact model-facing schemas: [the generated tool catalog](../../../docs/tool-catalog.md). + +## Trust stance + +The sandbox isolates the global context only — it is not a security boundary. No Node API is provided: `require`, the timers, and `fetch` are callable traps that throw a redirect to the cordis alternative (`ctx.fs` / `ctx.web` / `ctx.bash` / `inject: ['timer']` + `ctx.setTimeout`); `process` and `Buffer` are `undefined`; `globalThis` writes stay inside. These traps steer honest code onto the cordis services; they do not contain a mount that goes looking — the host-realm helpers on the sandbox global (`harness`, `console`, `btoa`) are reachable functions, so mount code can reach the host realm and Node through one of them, which is fine because `ctx` is fully privileged anyway. The `ctx` a mounted plugin's `apply` receives is a whitelist façade — register tools, observe events, provide/consume services, use timers; framework internals (`ctx.root`, `ctx.fiber`, `ctx.extend`, `ctx.plugin`, …) are withheld — but the capabilities it does expose reach the real runtime, so load this plugin as deliberately as you would grant a bash tool. + +## Config + +| Field | Default | Meaning | +|---|---|---| +| `vmTimeoutMs` | `5000` | Bound on the SYNCHRONOUS portion of mount-code evaluation; an async body escapes it | + +## The generated API catalog + +`src/api-catalog.ts` is generated by `scripts/gen-cordis-api.ts` from the same AST walk as [docs/cordis-catalog](../../../docs/cordis-catalog/services.md) and freshness-gated by `pnpm run verify-cordis-api` (in `doc-sync`) — never edit it by hand. `cordis_inspect` intersects it with the live service store at call time. + +## Rendering + +All three tools render `generic` cards (`read` / `execute` / `delete`); `cordis_mount` carries the mount code as `rawInput`. Presenters are pure functions of the args; results keep the default text rendering. + +## Export shape + +Namespace plugin: named exports `name` / `inject` / `Config` / `apply`, no default export ([docs/postmortem/0001](../../../docs/postmortem/0001-acp-default-export-drops-inject.md)). diff --git a/packages/cordis/tool-cordis/package.json b/packages/cordis/tool-cordis/package.json new file mode 100644 index 0000000000..657013f1c4 --- /dev/null +++ b/packages/cordis/tool-cordis/package.json @@ -0,0 +1,42 @@ +{ + "name": "@deepseek-ai/dsh-tool-cordis", + "description": "Self-referential cordis toolset: inspect the live runtime, mount and dispose model-written plugins", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-tools": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-agent-loop": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "@cordisjs/plugin-loader": "^1.0.0-rc.4", + "cordis": "^4.0.0-rc.6", + "@cordisjs/plugin-timer": "workspace:^" + } +} diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts new file mode 100644 index 0000000000..6b137abd39 --- /dev/null +++ b/packages/cordis/tool-cordis/src/api-catalog.ts @@ -0,0 +1,1032 @@ +/** + * Generated by scripts/gen-cordis-api.ts — do not edit by hand; run + * `pnpm run gen-cordis-api` to regenerate (freshness-gated by + * `pnpm run verify-cordis-api` in doc-sync). + * + * The machine-readable cordis API catalog `cordis_inspect` serves to the + * model: harness services (summary + public method signatures), harness + * events (mode + signature), and the inherited `ctx` surface. Produced by + * the same AST walk as docs/cordis-catalog, so this data and the rendered + * docs cannot diverge. + * + * @module @deepseek-ai/dsh-tool-cordis/api-catalog + */ + +/** One harness `ctx.<key>` service: its one-line summary and public method signatures. */ +export interface ServiceApiEntry { + /** The `ctx.<key>` name, e.g. `tools`. */ + key: string + /** First sentence of the service class JSDoc. */ + summary: string + /** Public method signatures, bodies stripped, in source order. */ + methods: readonly string[] +} + +/** One harness event: its dispatch mode, exact signature, and one-line summary. */ +export interface EventApiEntry { + /** The scoped event name, e.g. `agent/status`. */ + name: string + /** The dispatch mode from the declaration's `@mode` tag. */ + mode: string + /** The exact listener signature, whitespace-normalized. */ + signature: string + /** First sentence of the event JSDoc. */ + summary: string +} + +/** One inherited (cordis core + loader/hmr/timer) `ctx` member group with its summary. */ +export interface InheritedApiEntry { + /** The `ctx` member name(s), e.g. `ctx.on / ctx.once`. */ + name: string + /** One-line summary of what the member does. */ + summary: string +} + +/** One named type shape the service signatures reference. */ +export interface TypeApiEntry { + /** The exported type/interface name, e.g. `BashRunResult`. */ + name: string + /** The full declaration text, comments stripped. */ + declaration: string +} + +/** Every harness `ctx.<key>` service, sorted by key. */ +export const SERVICE_API: readonly ServiceApiEntry[] = [ + { + key: 'agentLoop', + summary: 'The agent-loop plugin (`ctx.agentLoop`): creates ReactLoopAgents, runs their loops, and registers them in `ctx.agents`.', + methods: [ + 'create(id: AgentId, options: AgentOptions = {}, meta: Pick<SessionHeader, \'cwd\'> = {}): ReactLoopAgent', + 'createAgent(options: CreateAgentOptions): AgentHandle', + 'async resume(options: ResumeAgentOptions): Promise<AgentHandle>', + ], + }, + { + key: 'agents', + summary: 'Agent registry (`ctx.agents`): tracks live agents so UI, hook, and orchestrator plugins can find them without depending on the concrete loop package.', + methods: [ + 'setFactory(factory: AgentFactory): () => void', + 'create(options: CreateAgentOptions): AgentHandle', + 'async resume(options: ResumeAgentOptions): Promise<AgentHandle>', + 'register(agent: Agent): () => void', + 'get(id: AgentId): Agent | undefined', + 'list(): Agent[]', + ], + }, + { + key: 'approval', + summary: 'The `ctx.approval` service: dispatches ApprovalRequests to the `approval/request` waterfall and audits every ask/outcome pair to the requesting agent\'s session log.', + methods: [ + 'async request(req: ApprovalRequest): Promise<ApprovalOutcome>', + ], + }, + { + key: 'bash', + summary: 'Abstract bash execution service.', + methods: [ + 'abstract resolve(request: BashExecRequest): BashExecSpec', + 'abstract run(spec: BashExecSpec): Promise<BashRunResult>', + 'abstract start(spec: BashExecSpec): BashTask', + 'abstract get(id: BashTaskId): BashTask | undefined', + 'abstract ownerOf(id: BashTaskId): OwnerToken | undefined', + 'abstract list(): BashTask[]', + 'abstract readOutput(id: BashTaskId): BashTaskRead', + 'abstract kill(id: BashTaskId): boolean', + 'onTaskDone(listener: BashTaskListener): () => void', + ], + }, + { + key: 'codeRuntime', + summary: 'Abstract code-execution service.', + methods: [ + 'abstract run(request: CodeRunRequest): Promise<CodeRunResult>', + ], + }, + { + key: 'compact', + summary: 'Abstract compaction service.', + methods: [ + 'abstract compactIfNeeded( agent: CompactAgentContext, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal, ): Promise<CompactionResult | null>', + 'abstract compactRegion( session: Session, start: number, end: number, agent: CompactAgentContext, signal?: AbortSignal, ): Promise<CompactionResult>', + ], + }, + { + key: 'fs', + summary: 'Abstract filesystem provider service.', + methods: [ + 'abstract resolve(path: string, opts?: { cwd?: string }): Promise<FsTarget>', + 'abstract stat(target: FsTarget, signal?: AbortSignal): Promise<FsInfo | undefined>', + 'abstract readText(target: FsTarget, signal?: AbortSignal): Promise<string>', + 'abstract streamText(target: FsTarget, signal?: AbortSignal): Promise<AsyncIterable<string>>', + 'abstract listDir(target: FsTarget, signal?: AbortSignal): Promise<FsDirEntry[]>', + 'abstract writeText(target: FsTarget, content: string, expected?: FsWriteIntent, signal?: AbortSignal): Promise<FsWriteOutcome>', + 'abstract editText(target: FsTarget, edit: FsEditRequest, expected?: { version: FsVersion }, signal?: AbortSignal): Promise<FsEditOutcome>', + ], + }, + { + key: 'llm', + summary: 'The abstract `llm` service: an adapter registry plus a streaming model-call surface, interceptable via the `llm/stream` waterfall.', + methods: [ + 'registerAdapter(models: string[], adapter: LlmAdapter): () => void', + 'models(): string[]', + 'stream(options: GenerateOptions): AsyncIterable<StreamChunk>', + ], + }, + { + key: 'sandbox', + summary: 'Abstract process-sandbox service.', + methods: [ + 'abstract confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv', + ], + }, + { + key: 'sessionPersistence', + summary: 'Abstract durable session-persistence service.', + methods: [ + 'abstract create(meta: SessionHeader): Promise<void>', + 'abstract append(id: SessionId, events: readonly SessionEvent[]): Promise<void>', + 'abstract load(id: SessionId): Promise<{ meta: SessionHeader; events: SessionEvent[] }>', + 'abstract list(): Promise<SessionHeader[]>', + ], + }, + { + key: 'sessions', + summary: 'In-memory session store (`ctx.sessions`).', + methods: [ + 'create(id?: SessionId, options?: CreateSessionOptions): Session', + 'prepare(id?: SessionId, options?: CreateSessionOptions): Session', + 'enter(session: Session): () => void', + 'announce(session: Session): void', + 'get(id: SessionId): Session | undefined', + 'list(): Session[]', + 'fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId): Session', + ], + }, + { + key: 'skills', + summary: 'Registry of skill providers.', + methods: [ + 'registerProvider(provider: SkillProvider): () => void', + 'register(skill: SkillRegistration): () => void', + 'async list(options: SkillLookupOptions = {}): Promise<SkillSummary[]>', + 'async get(name: string, options: SkillLookupOptions = {}): Promise<SkillDefinition | undefined>', + ], + }, + { + key: 'subagents', + summary: 'The `subagents` service: a registry of named SubagentProviders and a capability-checked start surface.', + methods: [ + 'registerProvider(provider: SubagentProvider): () => void', + 'getProvider(name: string): SubagentProvider | undefined', + 'list(): string[]', + 'start(name: string, request: SubagentStartRequest): SubagentRun', + ], + }, + { + key: 'systemPrompt', + summary: 'Registry service (`ctx.systemPrompt`): plugins contribute ordered text sections, tool-schema providers, and named prompt variables; the agent loop calls `assemble(context)` once per step.', + methods: [ + 'section(section: PromptSection): () => void', + 'tools(provider: () => ToolSchema[]): () => void', + 'variable(name: string, provider: (context: AssembleContext) => string | undefined): () => void', + 'async assemble(context: AssembleContext = {}): Promise<PromptAssembly>', + ], + }, + { + key: 'tools', + summary: 'Tool registry (`ctx.tools`): tool plugins register definitions; the agent loop executes calls through the `tools/pre-execute` → `tools/execute` → `tools/post-execute` pipeline.', + methods: [ + 'register(definition: ToolDefinition): () => void', + 'get(name: string): ToolDefinition | undefined', + 'schemas(): ToolSchema[]', + 'async execute(exec: ToolExecution): Promise<ToolExecutionResult>', + ], + }, + { + key: 'userInteraction', + summary: '`ctx.userInteraction`: one active UI provider plus an `ask()` surface.', + methods: [ + 'registerProvider(provider: UserInteractionProvider): () => void', + 'async ask(request: AskUserQuestionRequest): Promise<AskUserQuestionAnswer>', + ], + }, + { + key: 'web', + summary: 'The web access service.', + methods: [ + 'registerSearchProvider(provider: WebSearchProvider): () => void', + 'registerFetchProvider(provider: WebFetchProvider): () => void', + 'async search(request: WebSearchRequest, exec?: WebExecContext): Promise<WebSearchResult>', + 'async fetch(request: WebFetchRequest, exec?: WebExecContext): Promise<WebFetchResult>', + ], + }, + { + key: 'workflows', + summary: 'Abstract workflow execution service.', + methods: [ + 'abstract start(request: WorkflowStartRequest): WorkflowRun', + ], + }, +] + +/** Every harness event, sorted by name. */ +export const EVENT_API: readonly EventApiEntry[] = [ + { + name: 'agent/created', + mode: 'emit', + signature: '\'agent/created\'(agent: Agent): void', + summary: 'An agent was registered in the AgentRegistry and is ready to receive messages.', + }, + { + name: 'agent/disposed', + mode: 'emit', + signature: '\'agent/disposed\'(agent: Agent): void', + summary: 'An agent was disposed and removed from the registry; its fiber and any in-flight turn have been torn down.', + }, + { + name: 'agent/error', + mode: 'emit', + signature: '\'agent/error\'(agent: Agent, turn: number, step: number, error: Error): void', + summary: 'A step or turn errored.', + }, + { + name: 'agent/pre-step', + mode: 'serial', + signature: '\'agent/pre-step\'(agent: Agent, turn: number, step: number, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal): Promise<void> | void', + summary: 'Awaited pre-step surface-mutation checkpoint, fired once per step AFTER `turn/start` (and after the prior step closed) but BEFORE this step\'s `step/start` — so anything a listener appends lands OUTSIDE the step, between `turn/start`/`step/end` and the upcoming `step/start`.', + }, + { + name: 'agent/prompt-submit', + mode: 'waterfall', + signature: '\'agent/prompt-submit\'(agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise<PromptDecision>): Promise<PromptDecision>', + summary: 'Waterfall: decide what happens to ONE drained queued message before it becomes a `user/message` — allow (optionally rewriting the prompt bytes or attaching `additionalContext`) or block it.', + }, + { + name: 'agent/queued', + mode: 'emit', + signature: '\'agent/queued\'(agent: Agent, content: ContentBlock[], info: { source: MessageSource; steering: boolean }): void', + summary: 'A message entered the agent\'s inbox (queued or steering).', + }, + { + name: 'agent/request', + mode: 'waterfall', + signature: '\'agent/request\'(agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise<LlmCallConfig>): Promise<LlmCallConfig>', + summary: 'Waterfall: shape the step\'s call configuration — model switching, sampling overrides — by returning a replacement LlmCallConfig (the frozen seed is the config the loop would otherwise use).', + }, + { + name: 'agent/session-prefix', + mode: 'waterfall', + signature: '\'agent/session-prefix\'(agent: Agent, prefix: Message[], signal: AbortSignal, next: () => Promise<Message[]>): Promise<Message[]>', + summary: 'Waterfall: compose the SESSION PREFIX — request-only messages placed in front of the ENTIRE derived history (directly after the provider\'s system slot) on every request this loop instance sends.', + }, + { + name: 'agent/session-start', + mode: 'emit', + signature: '\'agent/session-start\'(agent: Agent, source: SessionStartSource): void', + summary: 'The agent\'s session lifecycle began, fired once before its first turn.', + }, + { + name: 'agent/status', + mode: 'emit', + signature: '\'agent/status\'(agent: Agent, status: AgentStatus): void', + summary: 'Agent status changed (`idle` ⇄ `running`, or → `disposed`).', + }, + { + name: 'agent/step-result', + mode: 'waterfall', + signature: '\'agent/step-result\'(agent: Agent, turn: number, step: number, message: Message, next: () => Promise<Message>): Promise<Message>', + summary: 'Waterfall: post-process the assembled assistant Message before tool dispatch (validation, content rewriting, …).', + }, + { + name: 'agent/turn-continuation', + mode: 'waterfall', + signature: '\'agent/turn-continuation\'(agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise<ContinuationDecision>): Promise<ContinuationDecision>', + summary: 'Waterfall: override the turn-continuation decision via a typed ContinuationDecision.', + }, + { + name: 'approval/request', + mode: 'waterfall', + signature: '\'approval/request\'(this: ApprovalService, req: ApprovalRequest, next: () => Promise<ApprovalOutcome>): Promise<ApprovalOutcome>', + summary: 'Waterfall asking the composed answerers to decide one approval request.', + }, + { + name: 'fs/edit-intent', + mode: 'waterfall', + signature: '\'fs/edit-intent\'(target: FsTarget, actor: object | undefined, next: () => { version: FsVersion } | undefined | Promise<{ version: FsVersion } | undefined>): Promise<{ version: FsVersion } | undefined>', + summary: 'Single-slot decision: produce the optional version guard for the next FileSystem.editText.', + }, + { + name: 'fs/observed', + mode: 'emit', + signature: '\'fs/observed\'(target: FsTarget, version: FsVersion, actor: object | undefined): void', + summary: 'Record that an actor observed a target at a version, after a successful read/write/edit.', + }, + { + name: 'fs/write-intent', + mode: 'waterfall', + signature: '\'fs/write-intent\'(target: FsTarget, actor: object | undefined, next: () => FsWriteIntent | undefined | Promise<FsWriteIntent | undefined>): Promise<FsWriteIntent | undefined>', + summary: 'Single-slot decision: produce the write intent for the next FileSystem.writeText.', + }, + { + name: 'llm/stream', + mode: 'waterfall', + signature: '\'llm/stream\'(this: LlmService, options: GenerateOptions, next: () => AsyncIterable<StreamChunk>): AsyncIterable<StreamChunk>', + summary: 'Waterfall around every streaming model call (retry, replay, routing).', + }, + { + name: 'session/created', + mode: 'emit', + signature: '\'session/created\'(session: Session): void', + summary: 'A session was created in the store.', + }, + { + name: 'session/event', + mode: 'emit', + signature: '\'session/event\'(session: Session, event: SessionEvent): void', + summary: 'An event was appended to a session log (sync, fire-and-forget).', + }, + { + name: 'session/flush', + mode: 'parallel', + signature: '\'session/flush\'(session: Session): Promise<void> | void', + summary: 'Awaited durability checkpoint.', + }, + { + name: 'skill/provider-added', + mode: 'emit', + signature: '\'skill/provider-added\'(provider: SkillProvider): void', + summary: 'A skill provider became resolvable in the `ctx.skills` registry.', + }, + { + name: 'skill/provider-removed', + mode: 'emit', + signature: '\'skill/provider-removed\'(name: string): void', + summary: 'A skill provider left the registry because its plugin fiber was disposed.', + }, + { + name: 'subagent/end', + mode: 'emit', + signature: '\'subagent/end\'(info: SubagentRunEndInfo): void', + summary: 'A subagent run settled — emitted when SubagentRun.result resolves (any stop reason).', + }, + { + name: 'subagent/provider-added', + mode: 'emit', + signature: '\'subagent/provider-added\'(provider: SubagentProvider): void', + summary: 'A provider became resolvable in the SubagentService registry.', + }, + { + name: 'subagent/provider-removed', + mode: 'emit', + signature: '\'subagent/provider-removed\'(name: string): void', + summary: 'A provider left the registry (its plugin\'s fiber was disposed — an unload or an HMR reload).', + }, + { + name: 'subagent/start', + mode: 'emit', + signature: '\'subagent/start\'(info: SubagentRunInfo): void', + summary: 'A subagent run started — emitted after the provider is resolved and its capabilities validated, as the child run begins.', + }, + { + name: 'system-prompt/assemble', + mode: 'waterfall', + signature: '\'system-prompt/assemble\'(this: SystemPrompt, assembly: PromptAssembly, context: AssembleContext, next: () => Promise<PromptAssembly>): Promise<PromptAssembly>', + summary: 'Waterfall around prompt assembly — mutate or extend the PromptAssembly (sections + tools + variables) before it is rendered.', + }, + { + name: 'system-prompt/change', + mode: 'emit', + signature: '\'system-prompt/change\'(): void', + summary: 'A section, tool provider, or variable provider was registered or unregistered (the assembly inputs changed).', + }, + { + name: 'tools/change', + mode: 'emit', + signature: '\'tools/change\'(): void', + summary: 'A tool was registered or unregistered (the available tool set changed).', + }, + { + name: 'tools/execute', + mode: 'waterfall', + signature: '\'tools/execute\'(this: ToolRegistry, exec: ToolExecution, next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult>', + summary: 'Around-dispatch waterfall wrapping the registry\'s core tool dispatch, between the `tools/pre-execute` gate and the `tools/post-execute` seam.', + }, + { + name: 'tools/post-execute', + mode: 'waterfall', + signature: '\'tools/post-execute\'(this: ToolRegistry, exec: ToolExecution, result: ToolExecutionResult, next: () => Promise<PostToolDecision>): Promise<PostToolDecision>', + summary: 'Waterfall AFTER a tool runs — where hook plugins inspect the result and accept it (optionally REPLACING the model-facing content, and/or attaching `additionalContext` for the next request) or block it with corrective `feedback` (Claude Code\'s `PostToolUse`).', + }, + { + name: 'tools/pre-execute', + mode: 'waterfall', + signature: '\'tools/pre-execute\'(this: ToolRegistry, exec: ToolExecution, next: () => Promise<PreToolDecision>): Promise<PreToolDecision>', + summary: 'Waterfall BEFORE a tool runs — the gate where sandbox, permission, and hook plugins allow or deny a call (Claude Code\'s `PreToolUse`).', + }, + { + name: 'workflow/agent-end', + mode: 'emit', + signature: '\'workflow/agent-end\'(info: WorkflowRunInfo, agent: WorkflowAgentEndInfo): void', + summary: 'One `agent()` call settled (clean result, child failure, or run cancellation).', + }, + { + name: 'workflow/agent-start', + mode: 'emit', + signature: '\'workflow/agent-start\'(info: WorkflowRunInfo, agent: WorkflowAgentInfo): void', + summary: 'One `agent()` call started a child run.', + }, + { + name: 'workflow/end', + mode: 'emit', + signature: '\'workflow/end\'(info: WorkflowRunInfo, result: WorkflowResultInfo): void', + summary: 'A workflow run settled (any stop reason).', + }, + { + name: 'workflow/log', + mode: 'emit', + signature: '\'workflow/log\'(info: WorkflowRunInfo, message: string): void', + summary: 'The script emitted a narration line (a `log(message)` call).', + }, + { + name: 'workflow/phase', + mode: 'emit', + signature: '\'workflow/phase\'(info: WorkflowRunInfo, title: string): void', + summary: 'The script entered a phase (a `phase(title)` call) — progress grouping for observers; no execution semantics.', + }, + { + name: 'workflow/start', + mode: 'emit', + signature: '\'workflow/start\'(info: WorkflowRunInfo): void', + summary: 'A workflow run started — the script\'s meta block validated, the body about to execute.', + }, +] + +/** Shapes of every exported type the SERVICE_API signatures reference (transitively), sorted by name. */ +export const TYPE_API: readonly TypeApiEntry[] = [ + { + name: 'Agent', + declaration: 'export interface Agent {\n readonly id: AgentId;\n readonly options: AgentOptions;\n readonly session: Session;\n readonly status: AgentStatus;\n send(content: ContentBlock[], options?: SendOptions): void;\n steer(content: ContentBlock[], options?: SendOptions): void;\n inject(content: ContentBlock[], options?: SendOptions): void;\n cancel(reason?: string): void;\n whenIdle(): Promise<void>;\n}', + }, + { + name: 'AgentFactory', + declaration: 'export interface AgentFactory {\n createAgent(options: CreateAgentOptions): AgentHandle;\n resume(options: ResumeAgentOptions): Promise<AgentHandle>;\n}', + }, + { + name: 'AgentHandle', + declaration: 'export interface AgentHandle {\n agent: Agent;\n dispose(): Promise<void>;\n}', + }, + { + name: 'AgentId', + declaration: 'export type AgentId = Branded<\'AgentId\'>;', + }, + { + name: 'AgentOptions', + declaration: 'export interface AgentOptions {\n model?: string;\n}', + }, + { + name: 'AgentStatus', + declaration: 'export type AgentStatus = \'idle\' | \'running\' | \'disposed\';', + }, + { + name: 'ApprovalOutcome', + declaration: 'export type ApprovalOutcome = \'allowed-once\' | \'rejected\' | \'cancelled\' | \'unavailable\';', + }, + { + name: 'ApprovalRequest', + declaration: 'export interface ApprovalRequest {\n agent: Agent;\n toolName: string;\n callId?: CallId;\n reason?: string;\n signal?: AbortSignal;\n}', + }, + { + name: 'AskUserQuestionAnswer', + declaration: 'export interface AskUserQuestionAnswer {\n answers: AskUserQuestionAnswerItem[];\n}', + }, + { + name: 'AskUserQuestionAnswerItem', + declaration: 'export interface AskUserQuestionAnswerItem {\n id: string;\n selected: string[];\n custom?: string;\n}', + }, + { + name: 'AskUserQuestionItem', + declaration: 'export interface AskUserQuestionItem {\n id: string;\n question: string;\n header?: string;\n options?: AskUserQuestionOption[];\n multiSelect?: boolean;\n}', + }, + { + name: 'AskUserQuestionOption', + declaration: 'export interface AskUserQuestionOption {\n label: string;\n description?: string;\n}', + }, + { + name: 'AskUserQuestionRequest', + declaration: 'export interface AskUserQuestionRequest {\n questions: AskUserQuestionItem[];\n agent?: Agent;\n signal?: AbortSignal;\n}', + }, + { + name: 'AssembleContext', + declaration: 'export interface AssembleContext {\n}', + }, + { + name: 'AssembledSection', + declaration: 'export interface AssembledSection {\n name: string;\n order: number;\n text: string;\n}', + }, + { + name: 'BashExecRequest', + declaration: 'export interface BashExecRequest {\n command: string;\n workdir?: string | undefined;\n timeoutMs?: number | undefined;\n signal?: AbortSignal | undefined;\n stdin?: string | undefined;\n env?: Record<string, string> | undefined;\n owner?: OwnerToken | undefined;\n sandboxMode?: SandboxMode | undefined;\n}', + }, + { + name: 'BashExecSpec', + declaration: 'export interface BashExecSpec {\n command: string;\n workdir: string;\n timeoutMs: number;\n signal?: AbortSignal | undefined;\n stdin?: string | undefined;\n env?: Record<string, string> | undefined;\n owner: OwnerToken | undefined;\n sandboxMode: SandboxMode | undefined;\n}', + }, + { + name: 'BashRunResult', + declaration: 'export interface BashRunResult {\n exitCode: number | null;\n signal: NodeJS.Signals | null;\n timedOut: boolean;\n aborted: boolean;\n timeoutMs: number;\n stdout: CollectedOutput;\n stderr: CollectedOutput;\n sandbox?: BashSandboxInfo;\n}', + }, + { + name: 'BashSandboxInfo', + declaration: 'export interface BashSandboxInfo {\n mode: SandboxMode;\n denied: boolean;\n enforcement?: SandboxEnforcement;\n runnerFailed?: boolean;\n}', + }, + { + name: 'BashTask', + declaration: 'export interface BashTask {\n readonly id: BashTaskId;\n readonly command: string;\n status: BashTaskStatus;\n exitCode: number | null;\n signal: NodeJS.Signals | null;\n readonly done: Promise<void>;\n sandbox?: BashSandboxInfo;\n}', + }, + { + name: 'BashTaskId', + declaration: 'export type BashTaskId = Branded<\'BashTaskId\'>;', + }, + { + name: 'BashTaskListener', + declaration: 'export type BashTaskListener = (task: BashTask) => void;', + }, + { + name: 'BashTaskRead', + declaration: 'export interface BashTaskRead {\n task: BashTask;\n delta: string;\n lossy: boolean;\n stdoutSpillPath?: string;\n stderrSpillPath?: string;\n}', + }, + { + name: 'BashTaskStatus', + declaration: 'export type BashTaskStatus = \'running\' | \'completed\' | \'killed\';', + }, + { + name: 'Branded', + declaration: 'export type Branded<B extends string> = string & {\n readonly [BRAND]: B;\n};', + }, + { + name: 'CallId', + declaration: 'export type CallId = Branded<\'CallId\'>;', + }, + { + name: 'CodeBindingFunction', + declaration: 'export type CodeBindingFunction = (args: unknown) => Promise<unknown>;', + }, + { + name: 'CodeBindingNamespace', + declaration: 'export interface CodeBindingNamespace {\n global: string;\n functions: Record<string, CodeBindingFunction>;\n}', + }, + { + name: 'CodeLogEntry', + declaration: 'export interface CodeLogEntry {\n source: \'console\' | \'stdout\' | \'stderr\';\n level?: \'log\' | \'info\' | \'warn\' | \'error\' | \'debug\';\n text: string;\n}', + }, + { + name: 'CodeRunFailure', + declaration: 'export interface CodeRunFailure {\n kind: \'exception\' | \'timeout\' | \'abort\' | \'worker-exit\';\n message: string;\n}', + }, + { + name: 'CodeRunRequest', + declaration: 'export interface CodeRunRequest {\n program: string;\n bindings: CodeBindingNamespace[];\n signal?: AbortSignal;\n}', + }, + { + name: 'CodeRunResult', + declaration: 'export interface CodeRunResult {\n value?: unknown;\n logs: CodeLogEntry[];\n error?: CodeRunFailure;\n}', + }, + { + name: 'CollectedOutput', + declaration: 'export interface CollectedOutput {\n text: string;\n truncated: boolean;\n spillPath?: string;\n}', + }, + { + name: 'CompactAgentContext', + declaration: 'export interface CompactAgentContext {\n session: Session;\n options: {\n model?: string;\n };\n}', + }, + { + name: 'CompactionResult', + declaration: 'export interface CompactionResult {\n startSeq: number;\n summarySeq: number;\n endSeq: number;\n summary: ContentBlock[];\n shadowedRange: {\n start: number;\n end: number;\n };\n shadowedSeqs: number[];\n shadowedTokenCount: number;\n}', + }, + { + name: 'ConfinedArgv', + declaration: 'export interface ConfinedArgv {\n argv: string[];\n enforcement: SandboxEnforcement;\n denialSignatures: readonly string[];\n runnerFailureSignatures: readonly string[];\n}', + }, + { + name: 'ConfinedSandboxMode', + declaration: 'export type ConfinedSandboxMode = Exclude<SandboxMode, \'danger-full-access\'>;', + }, + { + name: 'ContentBlockMap', + declaration: 'export interface ContentBlockMap {\n \'text\': TextBlock;\n \'reasoning\': ReasoningBlock;\n \'tool-call\': ToolCallBlock;\n \'tool-result\': ToolResultBlock;\n}', + }, + { + name: 'ContentBlockType', + declaration: 'export type ContentBlockType = keyof ContentBlockMap;', + }, + { + name: 'CreateAgentOptions', + declaration: 'export interface CreateAgentOptions {\n agentId: AgentId;\n sessionId: SessionId;\n meta?: {\n cwd?: string;\n parentSession?: SessionId;\n seedLength?: number;\n };\n seed?: SessionEvent[];\n agentOptions?: AgentOptions;\n}', + }, + { + name: 'CreateSessionOptions', + declaration: 'export interface CreateSessionOptions {\n seed?: SessionEvent[];\n meta?: {\n cwd?: string;\n parentSession?: SessionId;\n createdAt?: number;\n seedLength?: number;\n };\n}', + }, + { + name: 'DiffCallView', + declaration: 'export interface DiffCallView {\n card: \'diff\';\n title: string;\n diffs: FileDiff[];\n locations?: FileLocation[];\n}', + }, + { + name: 'DiffResultView', + declaration: 'export interface DiffResultView {\n card: \'diff\';\n title?: string;\n diffs: FileDiff[];\n}', + }, + { + name: 'FileDiff', + declaration: 'export interface FileDiff {\n path: string;\n oldText: string | null;\n newText: string;\n}', + }, + { + name: 'FileLocation', + declaration: 'export interface FileLocation {\n path: string;\n line?: number;\n}', + }, + { + name: 'FinishReason', + declaration: 'export type FinishReason = FinishReasonMap[keyof FinishReasonMap];', + }, + { + name: 'FinishReasonMap', + declaration: 'export interface FinishReasonMap {\n \'stop\': {\n kind: \'stop\';\n };\n \'tool-calls\': {\n kind: \'tool-calls\';\n };\n \'max-tokens\': {\n kind: \'max-tokens\';\n };\n \'aborted\': {\n kind: \'aborted\';\n };\n \'error\': {\n kind: \'error\';\n message: string;\n code?: string;\n };\n}', + }, + { + name: 'FsDirEntry', + declaration: 'export interface FsDirEntry {\n name: string;\n type: \'file\' | \'directory\' | \'other\';\n target: FsTarget;\n version?: FsVersion;\n size?: number;\n}', + }, + { + name: 'FsEditOutcome', + declaration: 'export interface FsEditOutcome {\n version: FsVersion;\n before: string;\n after: string;\n}', + }, + { + name: 'FsEditRequest', + declaration: 'export interface FsEditRequest {\n oldString: string;\n newString: string;\n replaceAll: boolean;\n}', + }, + { + name: 'FsInfo', + declaration: 'export interface FsInfo {\n version: FsVersion;\n type: \'file\' | \'directory\' | \'other\';\n size?: number;\n}', + }, + { + name: 'FsTarget', + declaration: 'export interface FsTarget {\n targetKey: FsTargetKey;\n displayPath: string;\n}', + }, + { + name: 'FsTargetKey', + declaration: 'export type FsTargetKey = Branded<\'FsTargetKey\'>;', + }, + { + name: 'FsVersion', + declaration: 'export type FsVersion = Branded<\'FsVersion\'>;', + }, + { + name: 'FsWriteIntent', + declaration: 'export type FsWriteIntent = {\n kind: \'createIfAbsent\';\n} | {\n kind: \'replaceIfVersion\';\n version: FsVersion;\n};', + }, + { + name: 'FsWriteOutcome', + declaration: 'export interface FsWriteOutcome {\n operation: \'create\' | \'update\';\n version: FsVersion;\n before: string | null;\n after: string;\n}', + }, + { + name: 'GenerateOptions', + declaration: 'export interface GenerateOptions {\n model: string;\n messages: Message[];\n system?: string;\n tools?: ToolSchema[];\n temperature?: number;\n maxTokens?: number;\n stop?: string[];\n signal?: AbortSignal;\n sessionId?: Branded<\'SessionId\'>;\n}', + }, + { + name: 'GenericCallView', + declaration: 'export interface GenericCallView {\n card: \'generic\';\n title: string;\n kind?: ToolCallKind;\n rawInput?: unknown;\n content?: ContentBlock[];\n locations?: FileLocation[];\n}', + }, + { + name: 'GenericResultView', + declaration: 'export interface GenericResultView {\n card: \'generic\';\n title?: string;\n content?: ContentBlock[];\n}', + }, + { + name: 'HookContext', + declaration: 'export interface HookContext {\n content: ContentBlock[];\n source: MessageSource;\n}', + }, + { + name: 'Message', + declaration: 'export interface Message {\n role: \'system\' | \'user\' | \'assistant\';\n content: ContentBlock[];\n}', + }, + { + name: 'MessageSource', + declaration: 'export type MessageSource = MessageSourceMap[keyof MessageSourceMap];', + }, + { + name: 'MessageSourceMap', + declaration: 'export interface MessageSourceMap {\n user: {\n kind: \'user\';\n };\n plugin: {\n kind: \'plugin\';\n plugin: string;\n };\n}', + }, + { + name: 'OwnerToken', + declaration: 'export type OwnerToken = Branded<\'OwnerToken\'>;', + }, + { + name: 'PromptAssembly', + declaration: 'export interface PromptAssembly {\n sections: AssembledSection[];\n tools: ToolSchema[];\n variables: Record<string, string | undefined>;\n}', + }, + { + name: 'PromptSection', + declaration: 'export interface PromptSection {\n name: string;\n order: number;\n text: string | ((context: AssembleContext) => string);\n}', + }, + { + name: 'ReasoningBlock', + declaration: 'export interface ReasoningBlock {\n type: \'reasoning\';\n text: string;\n}', + }, + { + name: 'ResumeAgentOptions', + declaration: 'export interface ResumeAgentOptions {\n agentId: AgentId;\n resumeSessionId: SessionId;\n agentOptions?: AgentOptions;\n}', + }, + { + name: 'SandboxEnforcement', + declaration: 'export type SandboxEnforcement = \'full\' | \'partial\';', + }, + { + name: 'SandboxMode', + declaration: 'export type SandboxMode = \'read-only\' | \'workspace-write\' | \'danger-full-access\';', + }, + { + name: 'SandboxPolicy', + declaration: 'export interface SandboxPolicy {\n mode: ConfinedSandboxMode;\n workspaceRoot: string;\n}', + }, + { + name: 'SendOptions', + declaration: 'export interface SendOptions {\n source?: MessageSource;\n}', + }, + { + name: 'SessionEvent', + declaration: 'export type SessionEvent<T extends SessionEventType = SessionEventType> = {\n [K in SessionEventType]: {\n type: K;\n seq: number;\n time: number;\n data: SessionEventMap[K];\n } & (K extends SurfaceEventType ? {\n sourceEventSeqs?: number[];\n surfaceOp?: SurfaceOp;\n } : object);\n}[T];', + }, + { + name: 'SessionEventMap', + declaration: 'export interface SessionEventMap {\n \'turn/start\': {\n turn: number;\n trigger: TurnTrigger;\n };\n \'turn/end\': {\n turn: number;\n reason: TurnEndReason;\n };\n \'step/start\': {\n turn: number;\n step: number;\n };\n \'step/end\': {\n turn: number;\n step: number;\n };\n \'user/message\': {\n content: ContentBlock[];\n source: MessageSource;\n };\n \'prompt/blocked\': {\n content: ContentBlock[];\n source: MessageSource;\n reason: string;\n };\n \'context/message\': {\n content: ContentBlock[];\n source: MessageSource;\n };\n \'assistant/chunk\': {\n turn: number;\n step: number;\n chunk: StreamChunk;\n };\n \'assistant/message\': {\n turn: number;\n step: number;\n content: ContentBlock[];\n usage?: TokenUsage;\n };\n \'tool/call\': {\n turn: number;\n step: number;\n callId: CallId;\n name: string;\n arguments: string;\n };\n \'tool/result\': {\n turn: number;\n step: number;\n callId: CallId;\n content: ContentBlock[];\n isError: boolean;\n error?: {\n name: string;\n code: string;\n };\n meta?: unknown;\n };\n \'steering/message\': {\n turn: number;\n content: ContentBlock[];\n source: MessageSource;\n };\n \'todo/write\': {\n todos: TodoItem[];\n };\n \'request/header\': {\n header: E /* …truncated — full shape in source */', + }, + { + name: 'SessionEventType', + declaration: 'export type SessionEventType = keyof SessionEventMap;', + }, + { + name: 'SessionForkSource', + declaration: 'export type SessionForkSource = Session | SessionId;', + }, + { + name: 'SessionHeader', + declaration: 'export interface SessionHeader {\n version: number;\n id: SessionId;\n createdAt: number;\n cwd?: string;\n parentSession?: SessionId;\n seedLength?: number;\n}', + }, + { + name: 'SessionId', + declaration: 'export type SessionId = Branded<\'SessionId\'>;', + }, + { + name: 'SkillCandidate', + declaration: 'export interface SkillCandidate extends SkillSummary {\n rank: number;\n locator: unknown;\n path?: string;\n metadata?: Record<string, unknown>;\n}', + }, + { + name: 'SkillDefinition', + declaration: 'export interface SkillDefinition extends SkillSummary {\n content: string;\n path?: string;\n metadata?: Record<string, unknown>;\n}', + }, + { + name: 'SkillLookupOptions', + declaration: 'export interface SkillLookupOptions {\n cwd?: string | undefined;\n signal?: AbortSignal | undefined;\n}', + }, + { + name: 'SkillProvider', + declaration: 'export interface SkillProvider {\n name: string;\n list(options: SkillLookupOptions): Promise<SkillCandidate[]>;\n get(candidate: SkillCandidate, options: SkillLookupOptions): Promise<SkillDefinition | undefined>;\n}', + }, + { + name: 'SkillRegistration', + declaration: 'export type SkillRegistration = Omit<SkillDefinition, \'provider\'> & {\n provider?: string;\n};', + }, + { + name: 'SkillResourceBase', + declaration: 'export type SkillResourceBase = {\n kind: \'directory\';\n path: string;\n} | {\n kind: \'url\';\n url: string;\n} | {\n kind: \'opaque\';\n description: string;\n};', + }, + { + name: 'SkillSource', + declaration: 'export type SkillSource = \'project-dsh\' | \'project-agents\' | \'runtime\' | \'user-dsh\' | \'user-agents\' | \'custom\' | (string & {});', + }, + { + name: 'SkillSummary', + declaration: 'export interface SkillSummary {\n name: string;\n description: string;\n whenToUse?: string;\n disableModelInvocation?: boolean;\n source: SkillSource;\n provider: string;\n resourceBase?: SkillResourceBase;\n}', + }, + { + name: 'StreamChunk', + declaration: 'export type StreamChunk = {\n type: \'block-start\';\n index: number;\n blockType: ContentBlockType;\n} | {\n type: \'text-delta\';\n index: number;\n text: string;\n} | {\n type: \'reasoning-delta\';\n index: number;\n text: string;\n} | {\n type: \'tool-call-delta\';\n index: number;\n id: CallId;\n name?: string;\n argumentsDelta: string;\n} | {\n type: \'block-end\';\n index: number;\n block: ContentBlock;\n} | {\n type: \'usage\';\n usage: TokenUsage;\n} | {\n type: \'finish\';\n reason: FinishReason;\n};', + }, + { + name: 'StructuredOutputSchema', + declaration: 'export type StructuredOutputSchema = StructuredSchemaNode & {\n type: \'object\';\n};', + }, + { + name: 'StructuredScalar', + declaration: 'export type StructuredScalar = string | number | boolean | null;', + }, + { + name: 'StructuredSchemaNode', + declaration: 'export interface StructuredSchemaNode {\n type: StructuredSchemaType;\n properties?: Record<string, StructuredSchemaNode>;\n required?: string[];\n additionalProperties?: boolean;\n items?: StructuredSchemaNode;\n enum?: StructuredScalar[];\n const?: StructuredScalar;\n description?: string;\n title?: string;\n default?: unknown;\n examples?: unknown;\n}', + }, + { + name: 'StructuredSchemaType', + declaration: 'export type StructuredSchemaType = \'object\' | \'array\' | \'string\' | \'number\' | \'integer\' | \'boolean\' | \'null\';', + }, + { + name: 'SubagentCapabilities', + declaration: 'export interface SubagentCapabilities {\n outputSchema: boolean;\n depthLimit: boolean;\n toolFilter: boolean;\n}', + }, + { + name: 'SubagentProvider', + declaration: 'export interface SubagentProvider {\n readonly name: string;\n readonly capabilities: SubagentCapabilities;\n readonly inheritsParentContext: boolean;\n start(request: SubagentStartRequest): SubagentRun;\n}', + }, + { + name: 'SubagentResult', + declaration: 'export interface SubagentResult {\n output: ContentBlock[];\n structured?: unknown;\n stopReason: SubagentStopReason;\n}', + }, + { + name: 'SubagentRun', + declaration: 'export interface SubagentRun {\n readonly id: AgentId;\n readonly result: Promise<SubagentResult>;\n cancel(reason?: string): void;\n dispose(): Promise<void>;\n sendMessage?(content: ContentBlock[]): void;\n resume?(content: ContentBlock[]): SubagentRun;\n}', + }, + { + name: 'SubagentStartRequest', + declaration: 'export interface SubagentStartRequest {\n prompt: ContentBlock[];\n parent: Agent;\n signal?: AbortSignal;\n agentOptions?: AgentOptions;\n outputSchema?: StructuredOutputSchema;\n maxDepth?: number;\n toolFilter?: {\n allow?: string[];\n deny?: string[];\n };\n}', + }, + { + name: 'SubagentStopReason', + declaration: 'export type SubagentStopReason = SubagentStopReasonMap[keyof SubagentStopReasonMap];', + }, + { + name: 'SubagentStopReasonMap', + declaration: 'export interface SubagentStopReasonMap {\n completed: \'completed\';\n aborted: \'aborted\';\n error: \'error\';\n \'max-tokens\': \'max-tokens\';\n refusal: \'refusal\';\n}', + }, + { + name: 'SurfaceEventType', + declaration: 'export type SurfaceEventType = \'user/message\' | \'assistant/message\' | \'tool/result\' | \'context/message\' | \'steering/message\';', + }, + { + name: 'SurfaceOp', + declaration: 'export type SurfaceOp = \'append\' | {\n op: \'replace\';\n start: number;\n end: number;\n};', + }, + { + name: 'TerminalCallView', + declaration: 'export interface TerminalCallView {\n card: \'terminal\';\n title: string;\n description?: string;\n cwd?: string;\n}', + }, + { + name: 'TerminalResultView', + declaration: 'export interface TerminalResultView {\n card: \'terminal\';\n title?: string;\n output?: string;\n exitCode?: number;\n signal?: string;\n}', + }, + { + name: 'TodoItem', + declaration: 'export interface TodoItem {\n content: string;\n status: \'pending\' | \'in_progress\' | \'completed\';\n}', + }, + { + name: 'TokenUsage', + declaration: 'export interface TokenUsage {\n inputTokens: number;\n outputTokens: number;\n cacheReadTokens?: number;\n cacheWriteTokens?: number;\n reasoningTokens?: number;\n}', + }, + { + name: 'ToolCallBlock', + declaration: 'export interface ToolCallBlock {\n type: \'tool-call\';\n id: CallId;\n name: string;\n arguments: string;\n}', + }, + { + name: 'ToolCallKind', + declaration: 'export type ToolCallKind = \'read\' | \'edit\' | \'delete\' | \'move\' | \'search\' | \'execute\' | \'fetch\' | \'other\';', + }, + { + name: 'ToolCallView', + declaration: 'export type ToolCallView = GenericCallView | TerminalCallView | DiffCallView;', + }, + { + name: 'ToolDefinition', + declaration: 'export interface ToolDefinition extends ToolSchema {\n execute(args: unknown, exec: ToolExecution): Promise<ToolExecuteReturn>;\n timeoutMs?: number;\n presentCall?(args: unknown): ToolCallView | undefined;\n presentResult?(args: unknown, result: ToolResult): ToolResultView | undefined;\n}', + }, + { + name: 'ToolErrorInfo', + declaration: 'export interface ToolErrorInfo {\n name: string;\n code: string;\n}', + }, + { + name: 'ToolExecuteReturn', + declaration: 'export type ToolExecuteReturn = ContentBlock[] | {\n content: ContentBlock[];\n meta?: unknown;\n};', + }, + { + name: 'ToolExecution', + declaration: 'export interface ToolExecution {\n callId: CallId;\n name: string;\n arguments: unknown;\n agent?: Agent;\n signal?: AbortSignal;\n}', + }, + { + name: 'ToolExecutionResult', + declaration: 'export interface ToolExecutionResult {\n callId: CallId;\n content: ContentBlock[];\n isError: boolean;\n error?: ToolErrorInfo;\n additionalContext?: HookContext;\n meta?: unknown;\n}', + }, + { + name: 'ToolResult', + declaration: 'export interface ToolResult {\n content: ContentBlock[];\n isError: boolean;\n meta?: unknown;\n}', + }, + { + name: 'ToolResultBlock', + declaration: 'export interface ToolResultBlock {\n type: \'tool-result\';\n toolCallId: CallId;\n content: ContentBlock[];\n isError?: boolean;\n}', + }, + { + name: 'ToolResultView', + declaration: 'export type ToolResultView = GenericResultView | TerminalResultView | DiffResultView;', + }, + { + name: 'ToolSchema', + declaration: 'export interface ToolSchema {\n name: string;\n description: string;\n parameters: Record<string, unknown>;\n}', + }, + { + name: 'TurnEndReason', + declaration: 'export type TurnEndReason = TurnEndReasonMap[keyof TurnEndReasonMap];', + }, + { + name: 'TurnEndReasonMap', + declaration: 'export interface TurnEndReasonMap {\n completed: {\n kind: \'completed\';\n };\n aborted: {\n kind: \'aborted\';\n reason?: string;\n };\n error: {\n kind: \'error\';\n step: number;\n message: string;\n code?: string;\n };\n disposed: {\n kind: \'disposed\';\n };\n \'max-tokens\': {\n kind: \'max-tokens\';\n };\n rejected: {\n kind: \'rejected\';\n reason: string;\n };\n interrupted: {\n kind: \'interrupted\';\n };\n}', + }, + { + name: 'TurnTrigger', + declaration: 'export type TurnTrigger = TurnTriggerMap[keyof TurnTriggerMap];', + }, + { + name: 'TurnTriggerMap', + declaration: 'export interface TurnTriggerMap {\n message: {\n kind: \'message\';\n source: MessageSource;\n };\n injection: {\n kind: \'injection\';\n source: MessageSource;\n };\n}', + }, + { + name: 'UserInteractionProvider', + declaration: 'export interface UserInteractionProvider {\n ask(request: AskUserQuestionRequest): Promise<AskUserQuestionAnswer>;\n}', + }, + { + name: 'WebExecContext', + declaration: 'export interface WebExecContext {\n readonly signal?: AbortSignal;\n}', + }, + { + name: 'WebFetchBody', + declaration: 'export type WebFetchBody = {\n readonly kind: \'html\';\n readonly content: string;\n} | {\n readonly kind: \'text\';\n readonly content: string;\n};', + }, + { + name: 'WebFetchProvider', + declaration: 'export interface WebFetchProvider {\n readonly id: string;\n status(): WebProviderStatus;\n fetch(request: WebFetchRequest, exec?: WebExecContext): Promise<WebFetchResult>;\n}', + }, + { + name: 'WebFetchRequest', + declaration: 'export interface WebFetchRequest {\n readonly url: string;\n readonly timeoutMs?: number;\n}', + }, + { + name: 'WebFetchResult', + declaration: 'export interface WebFetchResult {\n readonly providerId: string;\n readonly url: string;\n readonly statusCode: number;\n readonly body: WebFetchBody;\n readonly truncated: boolean;\n}', + }, + { + name: 'WebProviderStatus', + declaration: 'export type WebProviderStatus = {\n readonly available: true;\n} | {\n readonly available: false;\n readonly reason: \'missing-credential\' | \'misconfigured\';\n};', + }, + { + name: 'WebSearchProvider', + declaration: 'export interface WebSearchProvider {\n readonly id: string;\n status(): WebProviderStatus;\n search(request: WebSearchRequest, exec?: WebExecContext): Promise<WebSearchResult>;\n}', + }, + { + name: 'WebSearchRequest', + declaration: 'export interface WebSearchRequest {\n readonly query: string;\n readonly maxResults?: number;\n}', + }, + { + name: 'WebSearchResult', + declaration: 'export interface WebSearchResult {\n readonly providerId: string;\n readonly query: string;\n readonly content?: string;\n readonly sources: readonly WebSearchSource[];\n readonly truncated: boolean;\n}', + }, + { + name: 'WebSearchSource', + declaration: 'export interface WebSearchSource {\n readonly url: string;\n readonly title?: string;\n readonly snippet?: string;\n readonly publishedAt?: string;\n}', + }, + { + name: 'WorkflowMeta', + declaration: 'export interface WorkflowMeta {\n name: string;\n description: string;\n whenToUse?: string;\n phases?: WorkflowPhase[];\n}', + }, + { + name: 'WorkflowPhase', + declaration: 'export interface WorkflowPhase {\n title: string;\n detail?: string;\n model?: string;\n}', + }, + { + name: 'WorkflowResult', + declaration: 'export interface WorkflowResult {\n value: unknown;\n stopReason: WorkflowStopReason;\n error?: string;\n agentsStarted: number;\n}', + }, + { + name: 'WorkflowRun', + declaration: 'export interface WorkflowRun {\n readonly id: WorkflowRunId;\n readonly meta: WorkflowMeta;\n readonly result: Promise<WorkflowResult>;\n cancel(reason?: string): void;\n dispose(): Promise<void>;\n}', + }, + { + name: 'WorkflowRunId', + declaration: 'export type WorkflowRunId = Branded<\'WorkflowRunId\'>;', + }, + { + name: 'WorkflowStartRequest', + declaration: 'export interface WorkflowStartRequest {\n script: string;\n meta: WorkflowMeta;\n args?: unknown;\n parent: Agent;\n signal?: AbortSignal;\n}', + }, + { + name: 'WorkflowStopReason', + declaration: 'export type WorkflowStopReason = \'completed\' | \'cancelled\' | \'error\';', + }, +] + +/** The inherited `ctx` surface (cordis core + loader/hmr/timer), in curated order. */ +export const INHERITED_CTX_API: readonly InheritedApiEntry[] = [ + { name: 'ctx.on / ctx.once', summary: 'Register an event listener (disposable).' }, + { name: 'ctx.emit / ctx.parallel / ctx.serial / ctx.bail / ctx.waterfall', summary: 'Dispatch an event (sync / awaited / first-bail / veto-chain).' }, + { name: 'ctx.plugin / ctx.inject', summary: 'Load a plugin / declare required services.' }, + { name: 'ctx.effect', summary: 'Register a disposable side effect tied to the fiber.' }, + { name: 'ctx.get / ctx.set / ctx.provide / ctx.accessor / ctx.mixin', summary: 'Low-level service-store access and binding.' }, + { name: 'ctx.extend / ctx.isolate / ctx.intercept', summary: 'Derive a child context (scoped services / isolation / interception).' }, + { name: 'ctx.root / ctx.scope / ctx.fiber / ctx.registry / ctx.reflect / ctx.events / ctx.logger', summary: 'Ambient handles onto the running context graph.' }, + { name: 'ctx.timer (+ interval / timeout / throttle / debounce / setTimeout / setInterval)', summary: 'Disposable timer helpers. The `timer` key is provided at runtime; the six helpers are mixed onto ctx directly (declared via Pick).' }, + { name: 'ctx.loader', summary: 'The config Loader that booted the app (present under the loader).' }, + { name: 'ctx.hmr', summary: 'The hot-module-reload watcher (present under the hmr plugin).' }, +] diff --git a/packages/cordis/tool-cordis/src/fiber-state.ts b/packages/cordis/tool-cordis/src/fiber-state.ts new file mode 100644 index 0000000000..2b1ee166b7 --- /dev/null +++ b/packages/cordis/tool-cordis/src/fiber-state.ts @@ -0,0 +1,39 @@ +/** + * Runtime mirror of the cordis `FiberState` const enum plus human-readable + * labels, shared by the mount lifecycle (state reporting) and the inspect + * renderers (plugin-list and mount-table labels). + * + * Cordis exposes `FiberState` as a `const enum`: there is no runtime object for + * Node's type-stripping runner to import, so the members are mirrored here as + * values — each typed (via the type-only import) as the cordis enum member it + * mirrors, so enum-typed reads like `fiber.state` compare against them under a + * shared enum type. Source of truth: vendor/cordis/src/fiber.ts (pinned; drift + * only happens through a deliberate vendor sync). + * + * @module @deepseek-ai/dsh-tool-cordis/fiber-state + */ + +import type { FiberState as FiberStateEnum } from 'cordis' + +/** Value mirror of the cordis `FiberState` const enum (see the module doc for why a mirror exists). */ +export const FiberState = { + PENDING: 0 as FiberStateEnum.PENDING, + LOADING: 1 as FiberStateEnum.LOADING, + ACTIVE: 2 as FiberStateEnum.ACTIVE, + FAILED: 3 as FiberStateEnum.FAILED, + DISPOSED: 4 as FiberStateEnum.DISPOSED, + UNLOADING: 5 as FiberStateEnum.UNLOADING, +} as const + +/** The cordis `FiberState` enum type, re-exported so mirror consumers need one import. */ +export type FiberState = FiberStateEnum + +/** Human-readable label for each {@link FiberState}, keyed by member (inlining-safe — no reverse mapping). */ +export const STATE_LABELS: Record<FiberState, string> = { + [FiberState.PENDING]: 'pending', + [FiberState.LOADING]: 'loading', + [FiberState.ACTIVE]: 'active', + [FiberState.FAILED]: 'failed', + [FiberState.DISPOSED]: 'disposed', + [FiberState.UNLOADING]: 'unloading', +} diff --git a/packages/cordis/tool-cordis/src/guard.ts b/packages/cordis/tool-cordis/src/guard.ts new file mode 100644 index 0000000000..f51faeb42e --- /dev/null +++ b/packages/cordis/tool-cordis/src/guard.ts @@ -0,0 +1,447 @@ +/** + * The registration boundary between sandboxed mount code and the real runtime: + * SchemaSpec normalization + validation with teaching errors, the + * marker-guarded `harness.defineTool` / `harness.registerTool` pair, the + * SANDBOX CONTEXT FAÇADE a mounted plugin's `apply` receives in place of the + * real `ctx`, and the plugin-shape helpers the mount lifecycle narrows sandbox + * return values with. + * + * The façade is a WHITELIST, not a pass-through proxy. Mount code needs to do + * exactly four things — register a tool, listen to an event, provide a service, + * call an injected service (timers included) — so the façade exposes only those + * verbs and the injected services, each object-valued service individually + * wrapped (a primitive provided value passes through as-is — see + * {@link sandboxContext}). Every framework plumbing member (`root`, `parent`, `scope`, `fiber`, `reflect`, `registry`, + * `events`, `extend`, `isolate`, `intercept`, `plugin`, `set`, `mixin`, …) is + * DENIED with a teaching error rather than passed through. This closes an + * entire escape class at once: a pass-through proxy that only special-cased + * `ctx.tools` still handed back the raw context through `ctx.root`, + * `ctx.extend()`, or a service instance's `.ctx`, and mount code could then + * `ctx.root.tools.register({…})` to bypass the marker check and host-realm + * normalization — a raw vm-realm result then errors a real agent turn at the + * session-log plainness check. The whitelist has no such hole: there is no + * context-valued member to reach, and any injected-service method that returns + * a `Context` is rejected (harness services never do — see {@link denyContext}). + * + * Two realm facts drive the tool path. Objects built inside the vm carry the vm + * realm's `Object.prototype`, and the session log's append-time plainness check + * (`dsh-session`'s `isJsonValue`, a prototype-identity comparison) rejects + * foreign-realm data — so every dynamic tool's `execute` return is JSON + * round-tripped into the host realm and shape-checked against the two + * `ToolExecuteReturn` forms before it reaches the registry (the registry + * trusts the shape blindly — it spreads `result.content`, so an unvalidated + * `{ content: 'ok' }` would enter the session log as `['o','k']` and silently + * corrupt the next model request), and the schema itself is rebuilt as fresh + * host-realm objects. And a malformed tool + * schema must fail at REGISTRATION, not when a later request assembles it — so + * dynamic tool registration accepts only definitions produced by the sandbox's + * `harness.defineTool`, which normalizes `parameters` up front. + * + * Normalize, don't lecture, where the input has exactly one meaning: models + * write the JSON-Schema dialect by strong prior (the `{ type: 'object', + * properties, required: […] }` wrapper, `type: 'integer'`, `required: false`), + * and each rejection costs a model turn — so those convert to the SchemaSpec + * DSL silently, and only genuinely meaningless input (an unknown type, a + * non-boolean `required`) is rejected, with the error enumerating the valid + * vocabulary. + * + * @module @deepseek-ai/dsh-tool-cordis/guard + */ + +import { Context } from 'cordis' +import type { Plugin } from 'cordis' +import { defineTool } from '@deepseek-ai/dsh-tools' +import type { ToolDefinition, ToolExecuteReturn } from '@deepseek-ai/dsh-tools' + +const DYNAMIC_TOOL = Symbol('tool-cordis.dynamic-tool') +const SCHEMA_TYPES = new Set<unknown>(['string', 'number', 'boolean', 'object', 'array']) +const VALID_TYPES = '\'string\' | \'number\' | \'boolean\' | \'object\' | \'array\'' + +type DynamicToolDefinition = ToolDefinition & { [DYNAMIC_TOOL]: true } +type DynamicToolMarker = { [DYNAMIC_TOOL]?: unknown } + +function isPlainRecord(value: unknown): value is Record<string, unknown> { + return Object.prototype.toString.call(value) === '[object Object]' +} + +/** + * Normalize a sandbox-provided `parameters` value into a fresh host-realm + * SchemaSpec. Accepts the DSL directly, or the JSON-Schema-style + * `{ type: 'object', properties, required: […] }` wrapper models write by + * prior — the wrapper unwraps and its `required` array becomes per-property + * flags (see the module doc). + */ +function normalizeSchemaSpec(value: unknown, path = 'parameters'): Record<string, unknown> { + if (!isPlainRecord(value)) { + throw new Error(`harness.defineTool ${path} must be a SchemaSpec object`) + } + let entries = value + const requiredNames = new Set<unknown>() + if (value.type === 'object' && isPlainRecord(value.properties)) { + if (Array.isArray(value.required)) { + for (const name of value.required) requiredNames.add(name) + } + entries = value.properties + } + const spec: Record<string, unknown> = {} + for (const [key, prop] of Object.entries(entries)) { + spec[key] = normalizeSchemaProp(prop, `${path}.${key}`, requiredNames.has(key)) + } + return spec +} + +/** Normalize one property: `integer` → `number`, `required: false` → absent, nested wrappers unwrapped recursively. */ +function normalizeSchemaProp(value: unknown, path: string, forceRequired = false): Record<string, unknown> { + if (!isPlainRecord(value)) { + throw new Error(`harness.defineTool ${path} must be a SchemaSpec property object`) + } + const type = value.type === 'integer' ? 'number' : value.type + if (!SCHEMA_TYPES.has(type)) { + throw new Error(`harness.defineTool ${path} must declare a valid type: ${VALID_TYPES} (got ${JSON.stringify(value.type)})`) + } + // On an object property a JSON-Schema-style `required` ARRAY names required + // children (handled by the nested unwrap below); everywhere else `required` + // must be a boolean, and `false` simply reads as optional. + const nestedRequiredArray = type === 'object' && Array.isArray(value.required) + if (value.required !== undefined && typeof value.required !== 'boolean' && !nestedRequiredArray) { + throw new Error(`harness.defineTool ${path}.required must be a boolean when present`) + } + const prop: Record<string, unknown> = { type } + if (forceRequired || value.required === true) prop.required = true + if (typeof value.description === 'string') prop.description = value.description + if (Array.isArray(value.enum)) prop.enum = [...value.enum as unknown[]] + if (value.default !== undefined) prop.default = value.default + if (value.properties !== undefined) { + if (type !== 'object') { + throw new Error(`harness.defineTool ${path}.properties is only valid for type "object"`) + } + // Re-wrap so the nested unwrap applies a nested `required` array too. + prop.properties = normalizeSchemaSpec( + { type: 'object', properties: value.properties, required: value.required }, + `${path}.properties`, + ) + } + if (value.items !== undefined) { + if (type !== 'array') { + throw new Error(`harness.defineTool ${path}.items is only valid for type "array"`) + } + prop.items = normalizeSchemaProp(value.items, `${path}.items`) + } + return prop +} + +function markDynamicTool(tool: ToolDefinition): DynamicToolDefinition { + Object.defineProperty(tool, DYNAMIC_TOOL, { value: true }) + return tool as DynamicToolDefinition +} + +function assertDynamicTool(tool: unknown): asserts tool is DynamicToolDefinition { + if (!isPlainRecord(tool) || (tool as DynamicToolMarker)[DYNAMIC_TOOL] !== true) { + throw new Error('dynamic tool registration must use a tool returned by harness.defineTool(...)') + } +} + +/** + * Structurally a content block, checked AFTER the JSON round-trip: a plain + * object carrying a string `type` tag. Deliberately nothing deeper — the + * ContentBlock union is merge-extensible (an unknown tag must pass), and every + * downstream consumer dispatches on `type` and falls through unknowns. + */ +function isContentBlockShape(value: unknown): boolean { + return isPlainRecord(value) && typeof value.type === 'string' +} + +/** + * How much of an invalid execute return the teaching error echoes back — a + * huge blob would burn the model turn the error is trying to save. + */ +const RETURN_PREVIEW_LIMIT = 120 + +/** + * Compact JSON preview of an invalid execute return for the teaching error + * (`String(…)` for the un-stringifiable undefined case), truncated to + * {@link RETURN_PREVIEW_LIMIT}. + */ +function describeReturn(value: unknown): string { + // JSON.stringify is TYPED as always returning string, but it yields + // undefined for an undefined input (the routed forgot-return case) — the + // assertion widens the type back to the runtime truth. + const json = JSON.stringify(value) as string | undefined + if (json === undefined) return String(value) + return json.length > RETURN_PREVIEW_LIMIT ? `${json.slice(0, RETURN_PREVIEW_LIMIT)}…` : json +} + +/** + * Validate a round-tripped `execute` return against the two shapes + * {@link ToolExecuteReturn} allows: an ARRAY of content blocks, or + * `{ content: blocks, meta? }`. The registry trusts the shape blindly — it + * spreads `result.content`, so an unvalidated `{ content: 'ok' }` would enter + * the session log as `['o','k']` and silently corrupt the next model request — + * so a wrong shape fails THIS call with a teaching error instead. + */ +function assertExecuteReturn(value: unknown): ToolExecuteReturn { + if (Array.isArray(value) && value.every(isContentBlockShape)) { + return value as ToolExecuteReturn + } + if (isPlainRecord(value) && Array.isArray(value.content) && value.content.every(isContentBlockShape)) { + return value as ToolExecuteReturn + } + throw new Error( + `execute returned ${describeReturn(value)} — a tool's execute must return an ARRAY of content blocks, never a bare string:\n` + + ' ✓ return [{ type: \'text\', text: someString }]\n' + + ' ✓ return { content: [{ type: \'text\', text: someString }], meta: anyJsonValue }', + ) +} + +/** + * The `harness.defineTool` handed into the sandbox: the real DSL, with + * `parameters` normalized into a fresh host-realm SchemaSpec (JSON-Schema + * wrapper unwrapped, `integer` mapped, `required: false` dropped) and the + * tool's `execute` return normalized into the host realm via a JSON round-trip + * (see the module doc). The round-trip projects the return onto exactly what + * the log would durably store, and {@link assertExecuteReturn} then vets that + * projection — so a non-JSON-serializable OR wrong-shape return surfaces as + * that one call's teaching error instead of poisoning the turn. + * @param options - the standard `defineTool` options; `parameters` may be the SchemaSpec DSL or a JSON-Schema-style wrapper. + * @returns the marker-tagged definition `harness.registerTool` (and the guarded `ctx.tools.register`) accepts. + */ +export function sandboxDefineTool(options: Parameters<typeof defineTool>[0]): ToolDefinition { + const parameters = normalizeSchemaSpec((options as { parameters?: unknown }).parameters) + const tool = defineTool({ ...options, parameters } as Parameters<typeof defineTool>[0]) + const execute = tool.execute.bind(tool) + return markDynamicTool({ + ...tool, + async execute(args, exec) { + // JSON.stringify yields NO JSON for an undefined (or function/symbol) + // return despite its string-typed signature — route that into + // assertExecuteReturn's teaching error rather than letting JSON.parse + // throw its cryptic '"undefined" is not valid JSON'. + const json = JSON.stringify(await execute(args, exec)) as string | undefined + return assertExecuteReturn(json === undefined ? undefined : JSON.parse(json) as unknown) + }, + }) +} + +/** + * The `harness.registerTool` handed into the sandbox: registers a + * marker-verified dynamic tool on the given context's registry. + * @param ctx - the (guarded) context whose `tools` service receives the tool. + * @param tool - a definition produced by {@link sandboxDefineTool}; anything else is rejected. + * @returns the registry disposer for the registration. + */ +export function sandboxRegisterTool(ctx: Context, tool: unknown): () => void { + assertDynamicTool(tool) + return ctx.tools.register(tool) +} + +/** + * The verbs a mounted plugin may reach through the sandbox `ctx` façade, + * beyond its injected services. `on`/`once` observe events, `provide` exposes + * a service to other mounts, and the timer helpers schedule work — each a + * fiber effect that unwinds on unmount. Everything else on a real cordis `ctx` + * is framework plumbing and is denied. Forwarded LAZILY: the timer helpers are + * mixin accessors that throw `without inject` when read on a plugin that did + * not inject `timer`, so the façade reads `ctx[verb]` only at call time — the + * plugin that never touches a timer never trips that, and one that does gets + * cordis's own inject error at the call site. + */ +const CTX_VERBS = new Set(['on', 'once', 'provide', 'timeout', 'interval', 'setTimeout', 'setInterval', 'throttle', 'debounce']) + +/** + * The tool-registry façade: `register` (marker-guarded) plus READ-ONLY + * metadata (`schemas`, and `get` returning a schema view, never the live + * `ToolDefinition`). Exposing the raw definition would hand mount code the + * tool's `execute` function, letting it call another tool directly and bypass + * `ToolRegistry.execute` — the pre/post-execute waterfall (permission gates, + * accounting) and result normalization. So `get` returns the same + * name/description/parameters view as `schemas()`, and nothing invocable. + */ +function sandboxTools(ctx: Context): Record<string, unknown> { + return { + register: (tool: unknown): (() => void) => sandboxRegisterTool(ctx, tool), + schemas: () => ctx.tools.schemas(), + get: (name: string) => ctx.tools.schemas().find(schema => schema.name === name), + } +} + +/** + * Reject any injected-service return that is a cordis `Context`. Harness + * services return data, never a context; a value that is one would be a + * fresh, unguarded handle back into the runtime — the exact escape the façade + * exists to close — so it fails loud instead of reaching sandbox code. + */ +function denyContext(value: unknown, service: string): unknown { + if (value instanceof Context) { + throw new Error( + `service "${service}" returned a cordis Context, which the sandbox does not expose. ` + + 'Operate through your own plugin ctx (ctx.on / ctx.provide / ctx.tools.register) ' + + 'and the services you inject — never another context.', + ) + } + return value +} + +/** + * Wrap an injected service so its methods forward to the real instance but + * their return values pass through {@link denyContext}. Non-function members + * (plain data) pass through as-is; a returned Promise is guarded on resolve. + */ +function guardedService(service: object, name: string): unknown { + return new Proxy(service, { + get(target, prop) { + const value = Reflect.get(target, prop, target) as unknown + if (typeof value !== 'function') return denyContext(value, name) + return (...args: unknown[]): unknown => { + const result = Reflect.apply(value, target, args) as unknown + if (result instanceof Promise) return result.then(v => denyContext(v, name)) + return denyContext(result, name) + } + }, + }) +} + +/** + * The service names a plugin declared in `inject`, as a lookup set. Whatever + * declaration style the plugin used — an `inject: ['bash', 'tools']` array or + * the `{ required, optional }` object form — cordis resolves it into a single + * name-keyed map on the fiber before `apply` runs (`{ bash: null, tools: null }`), + * so the gate just reads that map's keys. A mount may reach only the services + * it declared — that is what lets cordis park the mount when a declared + * provider unmounts. + */ +function declaredInjects(ctx: Context): Set<string> { + return new Set(Object.keys(ctx.fiber.inject)) +} + +/** + * The sandbox context façade handed to a mounted plugin's `apply` in place of + * the real `ctx`. A whitelist (see the module doc): the registration/eventing + * verbs, the timer helpers, a guarded `tools`, and injected services resolved + * through a guarded `get` / property access. A service is reachable only if the + * plugin DECLARED it in `inject` — an undeclared service is denied even when a + * global provider exists, so cordis's activation/unload semantics (park the + * mount when a declared provider goes away) actually bind. Every + * framework-plumbing member is denied with a teaching error; there is no + * context-valued member to reach. + */ +function sandboxContext(ctx: Context): Context { + const tools = sandboxTools(ctx) + const declared = declaredInjects(ctx) + // A framework member or an undeclared service — distinguish the two so the + // error teaches the right fix (declare it in inject vs it is withheld). + const denyRead = (prop: string): never => { + if (ctx.get(prop) !== undefined) { + throw new Error( + `service "${prop}" is not injected. Declare it: inject: ['${prop}', …] on your plugin, ` + + 'so cordis parks this mount if the provider is later unmounted.', + ) + } + throw new Error( + `sandbox ctx does not expose "${prop}". Available: ctx.tools.register / ctx.on / ctx.provide / ` + + 'the timer helpers (ctx.setTimeout, ctx.interval, …) and any service you declared in inject. ' + + 'Framework internals (root, fiber, registry, extend, plugin, …) are withheld by design.', + ) + } + // Read a service for either access path (property or `get`). `tools` is the + // façade's own surface. An UNDECLARED name is denied with the teaching + // error; a DECLARED one resolves to the guarded service. A declared inject + // is required in cordis (the fiber only activates once every declared + // service is live), so at `apply`/`execute` time `ctx.get(name)` is present + // for a declared name — no undefined case to handle here. `provide()` + // accepts ANY value though (cross-mount composition advertises + // `ctx.provide('name', value)`), so a primitive or null value passes + // through unwrapped: Proxy throws on a non-object target, and only an + // object can carry a method that hands back a Context. + const readService = (name: string): unknown => { + if (name === 'tools') return tools + if (!declared.has(name)) return denyRead(name) + const service = denyContext(ctx.get(name), name) + if (service === null || (typeof service !== 'object' && typeof service !== 'function')) return service + return guardedService(service, name) + } + const get = (name: string): unknown => readService(name) + return new Proxy({}, { + get(_target, prop) { + if (prop === 'tools') return tools + if (prop === 'get') return get + if (typeof prop !== 'string') return undefined + // Lazy verb forwarder — reads `ctx[verb]` only when called, so a plugin + // that never uses a timer never triggers the timer mixin's inject check + // (cordis raises its own "without inject" error there for undeclared timer use). + if (CTX_VERBS.has(prop)) { + return (...args: unknown[]): unknown => { + const method = ctx[prop as keyof Context] + return Reflect.apply(method as (...a: unknown[]) => unknown, ctx, args) + } + } + return readService(prop) + }, + // A façade is not the real ctx; block writes rather than let mount code + // stash state on a throwaway object and think it persisted. + set(_target, prop) { + throw new Error(`sandbox ctx is read-only; cannot assign "${String(prop)}"`) + }, + // `in` reflects reachability: the façade surface plus DECLARED services + // (whether or not currently live). Does not resolve/wrap — no throw. + has: (_target, prop) => prop === 'tools' || prop === 'get' + || (typeof prop === 'string' && (CTX_VERBS.has(prop) || declared.has(prop))), + }) as unknown as Context +} + +/** + * Narrow an arbitrary sandbox return value to a mountable cordis plugin: a + * function, or an object with an `apply` function. (A bare function passes the + * first arm, so the object arm never sees `Function.prototype.apply`.) + * @param value - whatever the mount code returned. + * @returns whether the value is mountable via `ctx.plugin`. + */ +export function isPlugin(value: unknown): value is Plugin { + if (typeof value === 'function') return true + return typeof value === 'object' && value !== null + && typeof (value as { apply?: unknown }).apply === 'function' +} + +/** + * Wrap a plugin so its `apply` receives the sandbox context façade instead of + * the real `ctx` (see {@link sandboxContext} and the module doc). Both + * function-form and object-form plugins go through the same wrap; the plugin's + * own `inject` declaration is preserved (cordis reads it from the plugin + * object, and pending/active gating happens on the real fiber before `apply` + * runs), so cross-mount provide/inject works unmodified. + * + * `ctx.effect(customCleanup)` is deliberately absent from the façade for now — + * `on` / `provide` / `tools.register` cover every mount seen so far, and each + * is already a fiber effect. FIXME(sandbox-effect): expose a guarded `effect` + * once a real mount needs a bespoke disposer. + * @param plugin - the plugin the mount code returned. + * @returns an equivalent plugin whose `apply` sees the sandbox context façade. + */ +export function guardedPlugin(plugin: Plugin): Plugin { + if (typeof plugin === 'function') { + const functionPlugin = plugin as (ctx: Context, config?: unknown) => unknown + return { + name: pluginName(plugin), + apply(ctx: Context, config?: unknown) { + return functionPlugin(sandboxContext(ctx), config) + }, + } + } + const objectPlugin = plugin as { apply(ctx: Context, config?: unknown): unknown } + return { + ...plugin, + apply(ctx: Context, config?: unknown) { + return objectPlugin.apply(sandboxContext(ctx), config) + }, + } +} + +/** + * Display name for a mounted plugin: its `name` property, else anonymous. + * @param plugin - the plugin the mount code returned. + * @returns the human-readable name used in mount results and inspect output. + */ +export function pluginName(plugin: Plugin): string { + const named = (plugin as { name?: unknown }).name + if (typeof named === 'string' && named.length > 0) return named + return '<anonymous>' +} diff --git a/packages/cordis/tool-cordis/src/index.ts b/packages/cordis/tool-cordis/src/index.ts new file mode 100644 index 0000000000..836d516120 --- /dev/null +++ b/packages/cordis/tool-cordis/src/index.ts @@ -0,0 +1,236 @@ +/** + * The self-referential cordis toolset: three model-facing tools that let the + * agent inspect and MODIFY the live cordis runtime it is running inside. + * + * - `cordis_inspect` — read-only: provided services, the flat plugin list + * with lifecycle states, registered tools, the dynamic mounts, and the + * catalog-backed `api` / `events` references. + * - `cordis_mount` — evaluate model-written code in a `node:vm` sandbox; the + * code returns a cordis plugin, which is mounted as a child of a dedicated + * `cordis-dynamic` group fiber and tracked under an id (`dyn-1`, `dyn-2`, …). + * - `cordis_unmount` — dispose one dynamic mount by id, awaiting quiescence. + * + * Everything the model's plugin registers (listeners via `ctx.on`, tools via + * `harness.registerTool`, services via `ctx.provide`) is an effect on the + * dynamic fiber, so unmounting — or disposing this plugin itself (HMR) — cleans + * it all up through the ordinary cordis lifecycle. The group fiber exists + * exactly so the dynamic mounts form ONE subtree, disposed as a unit with + * this plugin. Design home: + * docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md. + * + * The vm sandbox guards against ACCIDENTAL global pollution only, and the `ctx` + * a mounted plugin's `apply` receives is a WHITELIST façade (register a tool, + * observe events, provide/consume services, use timers — framework internals + * withheld; see the guard module). Neither is a security boundary: the verbs + * the façade DOES expose reach the real runtime unsandboxed (a mounted tool can + * shell out through `ctx.bash`), so a deployment loads this plugin as + * deliberately as it grants a bash tool. Design home: + * docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md. + * + * Plugin export shape: named exports, NO default. The cordis Loader's + * `unwrapExports` does `exports.default ?? exports`, so a stray default would + * collapse the module to the bare `apply` and drop `inject`, crashing at load + * (see docs/postmortem/0001). + * + * @module @deepseek-ai/dsh-tool-cordis + */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import { defineTool } from '@deepseek-ai/dsh-tools' +import { STATE_LABELS } from './fiber-state.ts' +import { isPlugin, pluginName } from './guard.ts' +import { describeApi, describeDynamic, describeEvents, describePlugins, describeServices, describeTools } from './inspect.ts' +import { missingServices, mountDynamic } from './mount.ts' +import type { DynamicMount } from './mount.ts' +import { presentInspectCall, presentMountCall, presentUnmountCall } from './present.ts' +import { createSandbox, evaluateMountCode } from './sandbox.ts' + +export const name = 'tool-cordis' +export const inject = ['tools'] + +/** Config for the tool-cordis plugin: the sandbox evaluation bound. */ +export interface Config { + /** + * Milliseconds the SYNCHRONOUS portion of mount code may run in the vm + * before evaluation is aborted (default 5000). An async body escapes this + * bound — see docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md for the trust stance. + */ + vmTimeoutMs?: number +} + +/** Schemastery validator for {@link Config}: `vmTimeoutMs` must be at least 1 (defaults to 5000). */ +export const Config: z<Config> = z.object({ + vmTimeoutMs: z.number().min(1).default(5000), +}) + +/** {@link Config} with every defaulted field present, as schemastery resolves it at load. */ +type ResolvedConfig = Required<Config> + +/** + * Mount the three cordis tools on `ctx.tools` and create the `cordis-dynamic` + * group fiber every dynamic mount hangs under. + * @param ctx - the plugin context (`tools` injected). + * @param config - the schemastery-resolved {@link Config}. + */ +export function apply(ctx: Context, config: Config): void { + const { vmTimeoutMs } = config as ResolvedConfig + // The one group fiber every dynamic mount hangs under. Mounted here (a child + // of this plugin's fiber) so disposing tool-cordis cascades over the whole + // dynamic subtree — the ordinary parent→child fiber lifecycle, nothing extra. + const group = ctx.plugin({ name: 'cordis-dynamic', apply: () => {} }) + + const mounts = new Map<string, DynamicMount>() + let nextId = 1 + + ctx.tools.register(defineTool({ + name: 'cordis_inspect', + description: + 'Inspect the live cordis runtime that is running THIS agent. Read-only. ' + + 'Sections: `services` (every provided ctx service and the plugin fiber that owns it), ' + + '`plugins` (a flat list of the loaded plugins with their lifecycle states), ' + + '`tools` (the model-facing tools currently registered, i.e. what you can call), ' + + '`dynamic` (plugins you mounted via cordis_mount: id, name, state, provided services, awaited services), ' + + '`api` (method signatures AND argument/return type shapes for every LIVE service — read this before writing plugin code that calls a service), ' + + '`events` (every harness event with its dispatch mode and exact signature — pick listener targets here). ' + + 'Omit `what` to get all six sections.', + parameters: { + what: { + type: 'string', + enum: ['services', 'plugins', 'tools', 'dynamic', 'api', 'events'], + description: 'Limit the report to one section. Omit for all sections.', + }, + }, + execute(args): Promise<{ type: 'text'; text: string }[]> { + const sections: [heading: string, body: () => string[]][] = [ + ['services', () => describeServices(ctx)], + ['plugins', () => describePlugins(ctx)], + ['tools', () => describeTools(ctx)], + ['dynamic', () => describeDynamic(ctx, mounts)], + ['api', () => describeApi(ctx)], + ['events', () => describeEvents()], + ] + const selected = sections.filter(([heading]) => args.what === undefined || args.what === heading) + const text = selected + .map(([heading, body]) => `## ${heading}\n${body().join('\n')}`) + .join('\n\n') + return Promise.resolve([{ type: 'text', text }]) + }, + presentCall: presentInspectCall, + })) + + ctx.tools.register(defineTool({ + name: 'cordis_mount', + description: + 'Mount a NEW cordis plugin into the live runtime that is running THIS agent ' + + '(self-modification). `code` runs as the body of an async JavaScript function ' + + 'in an isolated sandbox and MUST `return` a plugin. Two forms: ' + + 'FUNCTION form `return (ctx) => { … }` — declares no inject, so it can register ' + + 'tools, listen to events, and provide services, but reaching ANY service (e.g. ' + + 'ctx.bash) throws; use it only when you need no services. ' + + 'OBJECT form `return { name?, inject: [\'bash\', \'llm\', …], apply(ctx) { … } }` ' + + '— declares dependencies, and cordis activates the plugin only after the ' + + 'services exist; PREFER this form. You may reach ONLY the services you list in ' + + 'inject: an undeclared service throws even if it exists, because an undeclared ' + + 'dependency would not be cleaned up if its provider is unmounted. ' + + 'BEFORE calling a service from your code, read cordis_inspect what:"api" — it lists ' + + 'method signatures AND the type shapes of their arguments/returns (do not guess a ' + + 'field\'s type; e.g. a bash run\'s stdout is an object, not a string). ' + + 'Inside `apply`, use the standard cordis API: `ctx.on(event, listener)` to observe ' + + 'events (see cordis_inspect what:"events"), or call ' + + '`harness.registerTool(ctx, harness.defineTool({ name, description, parameters: ' + + '{ text: { type: \'string\', required: true } }, async execute(args) { … } }))` ' + + 'to give yourself a new tool — it becomes callable on your NEXT step. ' + + 'Tool parameters: each key IS a property — { type: \'string\'|\'number\'|\'boolean\'|\'object\'|\'array\', ' + + 'required?: true, description?, enum?, items?, properties? }; a JSON-Schema-style ' + + '{ type: \'object\', properties, required: […] } wrapper and type \'integer\' are also accepted and normalized. A ' + + 'tool\'s `execute` MUST return an ARRAY of content blocks, e.g. `return ' + + '[{ type: \'text\', text: someString }]` — never a bare string. ' + + 'Mounts can COMPOSE: one plugin may `ctx.provide(\'name\', value)` a service and ' + + 'another may declare `inject: [\'name\']` to consume it — the consumer stays pending ' + + 'until the provider exists and returns to pending when the provider is unmounted. ' + + 'Everything registered inside `apply` is cleaned up automatically on unmount. ' + + 'Sandbox globals: `console` (tagged `[cordis:<id>]`, writes through to the harness ' + + 'terminal), `harness.defineTool`, `harness.registerTool`, ' + + '`btoa`, `atob`, `TextEncoder`, `TextDecoder`. ' + + 'Node APIs are DISABLED — do filesystem/network/timer work through the cordis services, ' + + 'never Node built-ins: `require`, `setTimeout`/`setInterval`, and `fetch` throw redirect ' + + 'errors; `process` and `Buffer` are undefined. Instead use inject: [\'fs\'] + ctx.fs for ' + + 'files, inject: [\'web\'] + ctx.web for HTTP, inject: [\'bash\'] + ctx.bash for processes, ' + + 'and inject: [\'timer\'] + ctx.setTimeout/ctx.setInterval for timing (fiber effects, ' + + 'auto-cleaned on unmount) — cordis_inspect what:"api" shows what THIS runtime provides. ' + + 'Write PLAIN JavaScript, not TypeScript (no `as`, no type annotations). ' + + 'Cautions: (1) waterfall events (e.g. tools/pre-execute) hand the listener a ' + + 'trailing `next` callback which MUST be called — returning without `next()` ' + + 'VETOES the call; prefer plain notification events unless you intend to ' + + 'intercept. (2) Never await something that only resolves after the current ' + + 'turn (your code runs INSIDE a tool call of that turn — it would deadlock). ' + + '(3) Your `ctx` is a restricted façade: you can register tools, observe ' + + 'events, provide/consume services, and use timers, but framework internals ' + + '(ctx.root, ctx.fiber, ctx.extend, ctx.plugin, …) are withheld. It is not a ' + + 'security boundary though — the services you inject (e.g. ctx.bash) reach the ' + + 'real runtime.', + parameters: { + code: { + type: 'string', + required: true, + description: 'Body of an async JS function; must `return` the plugin to mount.', + }, + }, + async execute(args) { + const id = `dyn-${nextId++}` + const sandbox = createSandbox(id) + const evaluated = await evaluateMountCode(sandbox, args.code, id, vmTimeoutMs) + if (!isPlugin(evaluated)) { + if (evaluated === undefined) { + throw new Error( + 'mount code returned `undefined` — did you forget `return`?\n' + + ' ✓ return (ctx) => { … }\n' + + ' ✓ return { name: \'…\', inject: […], apply(ctx) { … } }', + ) + } + throw new Error( + 'mount code must `return` a plugin: a function, or an object with an `apply(ctx)` method', + ) + } + const fiber = await mountDynamic(group, evaluated) + mounts.set(id, { fiber, pluginName: pluginName(evaluated) }) + // A settled fiber that is not ACTIVE is waiting on unsatisfied inject — + // legal cordis semantics (it activates when the service appears), so keep + // it mounted but tell the model what it is waiting for. + const missing = missingServices(ctx, fiber) + const state = STATE_LABELS[fiber.state] + const note = missing.length > 0 + ? ` — waiting for service(s): ${missing.join(', ')} (activates when provided)` + : '' + return [{ type: 'text', text: `mounted ${id} (plugin "${pluginName(evaluated)}", state: ${state}${note})` }] + }, + presentCall: presentMountCall, + })) + + ctx.tools.register(defineTool({ + name: 'cordis_unmount', + description: + 'Dispose a plugin previously mounted with cordis_mount, by id. All its ' + + 'registrations (event listeners, tools, services) are cleaned up through ' + + 'the cordis effect lifecycle. Returns only after disposal has fully ' + + 'completed (quiescence, not just a request to stop).', + parameters: { + id: { + type: 'string', + required: true, + description: 'The dynamic mount id returned by cordis_mount (e.g. "dyn-1").', + }, + }, + async execute(args) { + const mount = mounts.get(args.id) + if (!mount) { + throw new Error(`no dynamic plugin with id "${args.id}" (list mounts with cordis_inspect what:"dynamic")`) + } + await mount.fiber.dispose() + mounts.delete(args.id) + return [{ type: 'text', text: `unmounted ${args.id} (plugin "${mount.pluginName}")` }] + }, + presentCall: presentUnmountCall, + })) +} diff --git a/packages/cordis/tool-cordis/src/inspect.ts b/packages/cordis/tool-cordis/src/inspect.ts new file mode 100644 index 0000000000..5b44ed7ca5 --- /dev/null +++ b/packages/cordis/tool-cordis/src/inspect.ts @@ -0,0 +1,191 @@ +/** + * Read-only renderers over the live runtime for `cordis_inspect`: the service + * list, the flat plugin list, the registered tools, the dynamic-mount + * table (with per-mount provides/waits), and the catalog-backed `api` / + * `events` sections. Every renderer is a pure function of the runtime handles + * it receives — no session state, no clock — so inspect output is exactly the + * runtime it describes. + * + * @module @deepseek-ai/dsh-tool-cordis/inspect + */ + +import type { Context, Fiber } from 'cordis' +import { EVENT_API, INHERITED_CTX_API, SERVICE_API, TYPE_API } from './api-catalog.ts' +import type { EventApiEntry, InheritedApiEntry, ServiceApiEntry, TypeApiEntry } from './api-catalog.ts' +import { FiberState, STATE_LABELS } from './fiber-state.ts' +import { missingServices } from './mount.ts' +import type { DynamicMount } from './mount.ts' + +/** The live service registrations from `ctx.reflect.store` (map + filter keeps the possibly-undefined index read branch-free). */ +function liveImpls(ctx: Context): { name: string; fiber: Fiber }[] { + const store = ctx.reflect.store + return Object.getOwnPropertySymbols(store) + .map(key => store[key]) + .filter((impl): impl is NonNullable<typeof impl> => impl !== undefined) +} + +/** Whether `fiber` is `root` itself or mounted anywhere inside `root`'s subtree. */ +function withinFiber(fiber: Fiber, root: Fiber): boolean { + let current = fiber + while (true) { + if (current === root) return true + const parent = current.parent.fiber + if (parent === current) return false + current = parent + } +} + +/** The service names provided by a mount's fiber subtree, sorted. */ +function providedBy(ctx: Context, fiber: Fiber): string[] { + return liveImpls(ctx) + .filter(impl => withinFiber(impl.fiber, fiber)) + .map(impl => impl.name) + .sort() +} + +/** + * The `services` section: every provided ctx service with its owning fiber, + * annotating non-active owners with their lifecycle state. + * @param ctx - the runtime to enumerate. + * @returns one line per service, or a single placeholder line when none are provided. + */ +export function describeServices(ctx: Context): string[] { + const lines = liveImpls(ctx).map((impl) => { + const active = impl.fiber.state === FiberState.ACTIVE + return `- ${impl.name} (provided by ${impl.fiber.name}${active ? '' : `, ${STATE_LABELS[impl.fiber.state]}`})` + }) + return lines.length > 0 ? lines : ['(no services provided)'] +} + +/** + * The `plugins` section: a flat list of every fiber the registry knows, one + * line per fiber with its lifecycle state, sorted by plugin name (a plugin + * mounted more than once repeats — one line per instance). Dynamic mounts are + * listed like any other plugin; their ids live in the `dynamic` section. + * @param ctx - the runtime whose registry is enumerated. + * @returns one line per loaded plugin fiber. + */ +export function describePlugins(ctx: Context): string[] { + const fibers: Fiber[] = [] + for (const runtime of ctx.registry.values()) { + for (const fiber of runtime.fibers) fibers.push(fiber) + } + return fibers + .sort((a, b) => a.name.localeCompare(b.name)) + .map(fiber => `- ${fiber.name} [${STATE_LABELS[fiber.state]}]`) +} + +/** + * The `tools` section: the model-facing tool names currently registered. + * @param ctx - the runtime whose tool registry is read. + * @returns one line per registered tool. + */ +export function describeTools(ctx: Context): string[] { + return ctx.tools.schemas().map(schema => `- ${schema.name}`) +} + +/** + * The `dynamic` section: one line per mount with id, plugin name, lifecycle + * state, the services its subtree provides, and — for a pending mount — the + * services it waits for. + * @param ctx - the runtime the mounts live in. + * @param mounts - the tracked mounts, in mount order. + * @returns one line per mount, or a single placeholder line when none exist. + */ +export function describeDynamic(ctx: Context, mounts: ReadonlyMap<string, DynamicMount>): string[] { + if (mounts.size === 0) return ['(no dynamic plugins mounted)'] + return [...mounts].map(([id, mount]) => { + const provides = providedBy(ctx, mount.fiber) + const waiting = missingServices(ctx, mount.fiber) + const providesNote = provides.length > 0 ? ` — provides: ${provides.join(', ')}` : '' + const waitingNote = waiting.length > 0 ? ` — waiting for: ${waiting.join(', ')}` : '' + return `- ${id}: ${mount.pluginName} [${STATE_LABELS[mount.fiber.state]}]${providesNote}${waitingNote}` + }) +} + +/** + * The transitive closure of catalogued type shapes referenced (word-bounded) + * by the seed texts — the runtime scoping that keeps the `api` section to the + * shapes the LIVE signatures actually mention. + */ +function typeClosure(seeds: string[], types: readonly TypeApiEntry[]): TypeApiEntry[] { + const included = new Map<string, TypeApiEntry>() + let frontier = seeds + while (frontier.length > 0) { + const next: string[] = [] + for (const entry of types) { + if (included.has(entry.name)) continue + const pattern = new RegExp(`\\b${entry.name}\\b`) + if (frontier.some(text => pattern.test(text))) { + included.set(entry.name, entry) + next.push(entry.declaration) + } + } + frontier = next + } + return [...included.values()].sort((a, b) => a.name.localeCompare(b.name)) +} + +/** + * The `api` section: the generated service catalog intersected with the LIVE + * runtime — catalogued live services render summary + method signatures, live + * services without a catalog entry (e.g. ones another mount provides) render + * name + owning fiber, catalog services that are not running are listed + * tersely, the type shapes the live signatures reference follow, and the + * inherited `ctx` surface closes the section. + * @param ctx - the runtime to intersect the catalog with. + * @param api - the service catalog (the generated one by default; injectable for tests). + * @param inherited - the inherited `ctx` surface lines (generated by default; injectable for tests). + * @param types - the type-shape catalog (generated by default; injectable for tests). + * @returns the section lines. + */ +export function describeApi( + ctx: Context, + api: readonly ServiceApiEntry[] = SERVICE_API, + inherited: readonly InheritedApiEntry[] = INHERITED_CTX_API, + types: readonly TypeApiEntry[] = TYPE_API, +): string[] { + const live = new Map<string, string>() + for (const impl of liveImpls(ctx)) live.set(impl.name, impl.fiber.name) + const lines: string[] = [] + const liveMethodTexts: string[] = [] + for (const entry of api) { + if (!live.has(entry.key)) continue + lines.push(`- ${entry.key} — ${entry.summary}`) + for (const method of entry.methods) { + lines.push(` ${method}`) + liveMethodTexts.push(method) + } + } + const catalogued = new Set(api.map(entry => entry.key)) + for (const [name, fiber] of [...live].sort(([a], [b]) => a.localeCompare(b))) { + if (!catalogued.has(name)) lines.push(`- ${name} (provided by ${fiber}, no catalog entry)`) + } + const notRunning = api.filter(entry => !live.has(entry.key)).map(entry => entry.key) + if (notRunning.length > 0) lines.push(`not running (loadable services with no live provider): ${notRunning.join(', ')}`) + const shapes = typeClosure(liveMethodTexts, types) + if (shapes.length > 0) { + lines.push('type shapes (referenced by the signatures above — read these before assuming a field is a string):') + for (const shape of shapes) { + for (const declLine of shape.declaration.split('\n')) lines.push(` ${declLine}`) + } + } + lines.push('inherited ctx API:') + for (const entry of inherited) lines.push(`- ${entry.name} — ${entry.summary}`) + return lines +} + +/** + * The `events` section: every harness event with its dispatch mode, one-line + * summary, and exact signature, closed by the waterfall caution. + * @param events - the event catalog (the generated one by default; injectable for tests). + * @returns the section lines. + */ +export function describeEvents(events: readonly EventApiEntry[] = EVENT_API): string[] { + const lines = events.flatMap(event => [ + `- ${event.name} [${event.mode}] — ${event.summary}`, + ` ${event.signature}`, + ]) + lines.push('waterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain.') + return lines +} diff --git a/packages/cordis/tool-cordis/src/mount.ts b/packages/cordis/tool-cordis/src/mount.ts new file mode 100644 index 0000000000..a222e81da1 --- /dev/null +++ b/packages/cordis/tool-cordis/src/mount.ts @@ -0,0 +1,64 @@ +/** + * Dynamic-mount lifecycle over the `cordis-dynamic` group fiber: settle a + * sandbox-produced plugin as a child fiber (never leaving a failed fiber + * mounted), and report the services a settled-but-pending fiber still waits + * for. Disposal needs no helper — a mount unwinds through an ordinary awaited + * `fiber.dispose()`, because everything the plugin registered is an effect on + * its fiber. + * + * @module @deepseek-ai/dsh-tool-cordis/mount + */ + +import type { Context, Fiber, Plugin } from 'cordis' +import { guardedPlugin } from './guard.ts' + +/** One tracked dynamic mount: the fiber plus the display name captured at mount time. */ +export interface DynamicMount { + /** The child fiber under the `cordis-dynamic` group. */ + fiber: Fiber + /** The plugin's display name at mount time (its `name`, else `<anonymous>`). */ + pluginName: string +} + +/** + * Mount a plugin under the group fiber and settle it. The group fiber loads + * asynchronously right after the owning plugin's `apply`, so it is awaited + * before hanging a child off its context. The child fiber's `await()` settles + * its lifecycle work and rethrows a startup error (e.g. a throwing `apply`); + * on error the fiber is disposed first — a failed mount never lingers. + * @param group - the `cordis-dynamic` group fiber every mount hangs under. + * @param plugin - the plugin the sandbox returned; wrapped with the registration guard before mounting. + * @returns the settled child fiber (possibly pending on unsatisfied `inject`). + */ +export async function mountDynamic(group: Fiber, plugin: Plugin): Promise<Fiber> { + await group.await() + const fiber = group.ctx.plugin(guardedPlugin(plugin)) + try { + await fiber.await() + } catch (error) { + await fiber.dispose() + const message = error instanceof Error ? error.message : String(error) + // The commonest startup collision is remounting a NEW version of a tool + // while the old mount still holds the name — teach the replace recipe. + if (message.includes('already registered')) { + throw new Error( + `${message} — to REPLACE something an earlier mount registered, first cordis_unmount that mount's id ` + + '(find it with cordis_inspect what:"dynamic"), then mount the new version.', + ) + } + throw error instanceof Error ? error : new Error(message) + } + return fiber +} + +/** + * The services a fiber declared in `inject` that do not exist yet — a settled + * fiber that is not active is waiting on exactly these (legal cordis + * semantics: it activates when the service appears). + * @param ctx - the context to resolve service existence against. + * @param fiber - the mount fiber whose `inject` declarations are checked. + * @returns the missing service names, in declaration order. + */ +export function missingServices(ctx: Context, fiber: Fiber): string[] { + return Object.keys(fiber.inject).filter(service => ctx.get(service) === undefined) +} diff --git a/packages/cordis/tool-cordis/src/present.ts b/packages/cordis/tool-cordis/src/present.ts new file mode 100644 index 0000000000..614b070193 --- /dev/null +++ b/packages/cordis/tool-cordis/src/present.ts @@ -0,0 +1,51 @@ +/** + * ACP render intents for the three cordis tools — all `generic` cards, decided + * up front as part of the tool design. Presenters are pure functions of the + * call arguments (they run on replay too): no I/O, no session state, no clock. + * No `presentResult` overrides exist — the tools' text results are their + * correct completed rendering. + * + * @module @deepseek-ai/dsh-tool-cordis/present + */ + +import type { GenericCallView } from '@deepseek-ai/dsh-tools' + +/** + * The `cordis_inspect` call card: a read, titled with the requested section. + * @param args - the validated call arguments. + * @returns the generic card the ACP bridge renders. + */ +export function presentInspectCall(args: { what?: string }): GenericCallView { + return { + card: 'generic', + kind: 'read', + title: args.what === undefined ? 'Inspect cordis runtime' : `Inspect cordis runtime: ${args.what}`, + } +} + +/** + * The `cordis_mount` call card: an execute carrying the mount code as raw input. + * @param args - the validated call arguments. + * @returns the generic card the ACP bridge renders. + */ +export function presentMountCall(args: { code: string }): GenericCallView { + return { + card: 'generic', + kind: 'execute', + title: 'Mount plugin into live cordis runtime', + rawInput: { code: args.code }, + } +} + +/** + * The `cordis_unmount` call card: a delete, titled with the mount id. + * @param args - the validated call arguments. + * @returns the generic card the ACP bridge renders. + */ +export function presentUnmountCall(args: { id: string }): GenericCallView { + return { + card: 'generic', + kind: 'delete', + title: `Unmount ${args.id}`, + } +} diff --git a/packages/cordis/tool-cordis/src/sandbox.ts b/packages/cordis/tool-cordis/src/sandbox.ts new file mode 100644 index 0000000000..5ed6b52b50 --- /dev/null +++ b/packages/cordis/tool-cordis/src/sandbox.ts @@ -0,0 +1,201 @@ +/** + * The `node:vm` sandbox `cordis_mount` code evaluates in: a fresh realm whose + * globals are a tagged write-through console, the `harness` registration + * helpers, the encoding primitives a bare vm context lacks, and callable traps + * over the Node APIs the sandbox deliberately withholds. Capability access is + * routed through cordis services, never Node built-ins: filesystem work goes + * through `ctx.fs`, network through `ctx.web`, processes through `ctx.bash`, + * timers through the `ctx.timer` helpers (fiber effects, unwound on unmount) + * — so a well-behaved mount stays inspectable and disposable. That routing is + * STEERING toward the cordis services, not containment: the sandbox guards + * against ACCIDENTAL global pollution, and it is not a security boundary. The + * host-realm helpers on the sandbox global (`harness`, `console`, `btoa`) are + * reachable functions, so a mount that goes looking — e.g. through such a + * helper's `.constructor` — can still reach the host realm; that is accepted, + * because the `ctx` a mounted plugin's `apply` later receives is the real, + * fully privileged runtime handle, and that is the point of the toolset. + * + * @module @deepseek-ai/dsh-tool-cordis/sandbox + */ + +import { createContext, runInContext } from 'node:vm' +import { sandboxDefineTool, sandboxRegisterTool } from './guard.ts' + +/** + * A write-through console for one sandbox, tagging every line with the mount + * id. Write-through (host stdout/stderr), NOT buffered into the tool result: + * a mounted listener fires long after the mount call returned, and its output + * must land somewhere the user can see — for the stdio demo, the terminal. + */ +function taggedConsole(id: string): Record<'log' | 'info' | 'warn' | 'error' | 'debug', (...args: unknown[]) => void> { + const tag = `[cordis:${id}]` + const log = (...args: unknown[]): void => { console.log(tag, ...args) } + const error = (...args: unknown[]): void => { console.error(tag, ...args) } + return { log, info: log, warn: log, debug: log, error } +} + +/** + * Per-sandbox prelude: give the vm realm's own constructors a + * `Symbol.hasInstance` that checks BOTH realms. Model code runs against a + * fresh vm realm, but most objects it touches are HOST-realm (the `args` a + * tool's `execute` receives, event payloads a listener observes, service + * return values), so a plain `x instanceof Array` / `instanceof Object` in + * sandbox code would silently be false. The patch replaces each vm + * constructor's own `[Symbol.hasInstance]` with "ordinary check against the + * vm constructor OR the host counterpart" — the ordinary algorithm is a pure + * prototype-chain walk, so calling it with the host constructor as receiver + * needs no host-side change. ONLY vm-realm globals are modified; host + * intrinsics are passed in as values and never touched. + */ +const DUAL_REALM_INSTANCEOF_PRELUDE = ` +(hostIntrinsics) => { + 'use strict' + const ordinary = Function.prototype[Symbol.hasInstance] + for (const name of Object.keys(hostIntrinsics)) { + const VmCtor = globalThis[name] + const HostCtor = hostIntrinsics[name] + if (typeof VmCtor !== 'function' || typeof HostCtor !== 'function') continue + Object.defineProperty(VmCtor, Symbol.hasInstance, { + value: (instance) => ordinary.call(VmCtor, instance) || ordinary.call(HostCtor, instance), + configurable: true, + }) + } +} +` + +/** Run {@link DUAL_REALM_INSTANCEOF_PRELUDE} in a freshly created sandbox, handing it the host intrinsics to pair up. */ +function patchDualRealmInstanceof(sandbox: object): void { + const patch = runInContext(DUAL_REALM_INSTANCEOF_PRELUDE, sandbox) as (intrinsics: Record<string, unknown>) => void + patch({ Object, Array, Function, Error, TypeError, RangeError, SyntaxError, Promise, RegExp, Date, Map, Set }) +} + +const TIMER_REDIRECT + = 'Node timers are unavailable. Use the cordis timer service instead: declare inject: [\'timer\'] on your plugin ' + + 'and call ctx.setTimeout / ctx.setInterval — those are fiber effects, cleaned up automatically on unmount.' + +/** + * The callable Node APIs the sandbox deliberately disables, each mapped to the + * cordis alternative its trap error names. Only FUNCTION-shaped globals are + * trapped — a data-shaped global like `process` stays `undefined`, because a + * throwing accessor would detonate the common `typeof process` feature probe + * at resolution time. + */ +const NODE_API_REDIRECTS: Record<string, string> = { + require: + 'Node modules are unavailable. Use the cordis services on ctx instead — e.g. inject: [\'fs\'] for files, ' + + '[\'web\'] for HTTP, [\'bash\'] for processes; cordis_inspect what:"api" lists what THIS runtime provides.', + setTimeout: TIMER_REDIRECT, + setInterval: TIMER_REDIRECT, + setImmediate: TIMER_REDIRECT, + clearTimeout: TIMER_REDIRECT, + clearInterval: TIMER_REDIRECT, + fetch: + 'Network access goes through the cordis web service: declare inject: [\'web\'] and call ctx.web ' + + '(see cordis_inspect what:"api" for its methods).', +} + +/** Build the trap functions for {@link NODE_API_REDIRECTS}: calling one throws the redirect. */ +function nodeApiTraps(): Record<string, () => never> { + const traps: Record<string, () => never> = {} + for (const [name, redirect] of Object.entries(NODE_API_REDIRECTS)) { + traps[name] = () => { + throw new Error(`${name} is not available in the mount sandbox — ${redirect}`) + } + } + return traps +} + +/** + * Build the vm context one `cordis_mount` call evaluates in: the tagged + * console, the `harness` registration helpers, the encoding primitives, the + * Node-API traps, and the dual-realm `instanceof` patch, already + * `createContext`-ed. + * @param id - the mount id (`dyn-<n>`), used as the console tag and filename stem. + * @returns the contextified sandbox object to pass to {@link evaluateMountCode}. + */ +export function createSandbox(id: string): object { + const sandbox = { + ...nodeApiTraps(), + console: taggedConsole(id), + harness: { defineTool: sandboxDefineTool, registerTool: sandboxRegisterTool }, + // Web APIs absent from fresh vm contexts — made available so the model + // can encode/decode base64 without Buffer (which is also absent). Host + // closures over Buffer, never Buffer itself. + btoa: (s: string) => Buffer.from(s, 'utf-8').toString('base64'), + atob: (s: string) => Buffer.from(s, 'base64').toString('utf-8'), + TextEncoder, + TextDecoder, + } + createContext(sandbox) + patchDualRealmInstanceof(sandbox) + return sandbox +} + +/** + * Cross-realm SyntaxError detection: a compile failure inside `runInContext` + * constructs its error in the SANDBOX realm, so a host `instanceof + * SyntaxError` is silently false — the `name` property is the realm-safe tag. + */ +function isSyntaxError(error: unknown): error is Error { + return typeof error === 'object' && error !== null && (error as { name?: unknown }).name === 'SyntaxError' +} + +/** + * The parse-failure context a vm `SyntaxError` carries: the vm prints the + * offending source line and a caret before the message, which is exactly what + * a model needs to self-correct — surface it instead of the bare message. + * Falls back to `String(error)` when the stack carries no such prelude. + * @param error - the `SyntaxError` (host- or sandbox-realm) thrown while compiling mount code. + * @returns the stack prefix up to and including the `SyntaxError: …` line. + */ +export function syntaxErrorContext(error: Error): string { + const lines = (error.stack ?? '').split('\n') + const messageIndex = lines.findIndex(line => line.startsWith('SyntaxError')) + if (messageIndex === -1) return String(error) + return lines.slice(0, messageIndex + 1).join('\n') +} + +/** + * Evaluate mount code as the body of an async function inside the sandbox. + * `vmTimeoutMs` only bounds the SYNCHRONOUS portion; an async body escapes it + * — acceptable under the module's trust stance. A parse failure is answered + * with the offending line + caret and a teaching hint: TypeScript syntax on + * the failing line gets the remove-annotations fix, anything else gets the + * function-body/bracket-balance reminder (models habitually close the returned + * plugin object with `});` as if it were a callback argument). + * @param sandbox - the contextified object from {@link createSandbox}. + * @param code - the model-written function body; must `return` a plugin. + * @param id - the mount id, used as the vm filename (`cordis-mount-<id>.js`). + * @param vmTimeoutMs - the synchronous evaluation bound in milliseconds. + * @returns whatever the code returned, still un-narrowed (the mount lifecycle checks plugin shape). + */ +export async function evaluateMountCode(sandbox: object, code: string, id: string, vmTimeoutMs: number): Promise<unknown> { + try { + return await runInContext( + `(async () => {\n${code}\n})()`, + sandbox, + { filename: `cordis-mount-${id}.js`, timeout: vmTimeoutMs }, + ) + } catch (error) { + if (!isSyntaxError(error)) throw error + const context = syntaxErrorContext(error) + // Scope the TypeScript heuristic to the OFFENDING line, not the whole + // code: an ` as ` inside an ordinary description string must not turn a + // plain syntax error into a misleading remove-annotations message. + const offendingLine = context.split('\n')[1] ?? '' + if (/\bas\b/.test(offendingLine)) { + throw new Error( + `mount code failed to parse:\n${context}\n` + + 'The sandbox runs plain JavaScript, not TypeScript. Remove type annotations:\n' + + ' ✗ { type: \'text\' as const, text: x }\n' + + ' ✓ { type: \'text\', text: x }', + ) + } + throw new Error( + `mount code failed to parse:\n${context}\n` + + 'Note: `code` runs as the BODY of an async function (line numbers are offset by the 1-line wrapper). ' + + 'Check bracket balance — ending the returned plugin object with `});` closes a call that was never opened; ' + + 'a plain `return { … }` ends with `}` (an optional `;`), never `)`.', + ) + } +} diff --git a/packages/cordis/tool-cordis/tests/cross-mount.spec.ts b/packages/cordis/tool-cordis/tests/cross-mount.spec.ts new file mode 100644 index 0000000000..dcfdb815c4 --- /dev/null +++ b/packages/cordis/tool-cordis/tests/cross-mount.spec.ts @@ -0,0 +1,143 @@ +import { describe, expect, it } from 'vitest' +import { call, CONSUMER_CODE, PROVIDER_CODE, setup, text } from './helpers.ts' + +/** + * Cross-mount composition through ordinary cordis provide/inject semantics: + * one mount provides a service, another injects it, and mount ids stay the + * lifecycle handles. Every assertion is against the WORLD — the registry, the + * service store, real tool dispatch — not the tool's own summary line. + */ + +describe('cross-mount provide/inject', () => { + it('provider first: the consumer activates immediately and its tool reaches the provided service', async () => { + const ctx = await setup() + const provider = await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) + expect(text(provider)).toContain('state: active') + + const consumer = await call(ctx, 'cordis_mount', { code: CONSUMER_CODE }) + expect(consumer.isError).toBe(false) + expect(text(consumer)).toContain('state: active') + + // The vm-realm service value is callable across mounts, and the result + // normalizes into the host realm like any dynamic tool result. + const greeted = await call(ctx, 'greet', { name: 'harness' }) + expect(greeted.isError).toBe(false) + expect(text(greeted)).toBe('hi harness') + }) + + it('consumer first: stays pending naming the missing service, then activates when the provider mounts', async () => { + const ctx = await setup() + const consumer = await call(ctx, 'cordis_mount', { code: CONSUMER_CODE }) + expect(consumer.isError).toBe(false) + expect(text(consumer)).toContain('state: pending') + expect(text(consumer)).toContain('waiting for service(s): greeter') + expect(text(await call(ctx, 'cordis_inspect', { what: 'dynamic' }))).toContain('waiting for: greeter') + expect(ctx.tools.get('greet')).toBeUndefined() + + await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) + expect(ctx.tools.get('greet')).toBeDefined() + expect(text(await call(ctx, 'greet', { name: 'late' }))).toBe('hi late') + }) + + it('unmounting the provider sends the consumer back to pending and unwinds its registrations', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) // dyn-1 + await call(ctx, 'cordis_mount', { code: CONSUMER_CODE }) // dyn-2 + expect(ctx.tools.get('greet')).toBeDefined() + + const unmounted = await call(ctx, 'cordis_unmount', { id: 'dyn-1' }) + expect(unmounted.isError).toBe(false) + expect(ctx.tools.get('greet')).toBeUndefined() + const report = text(await call(ctx, 'cordis_inspect', { what: 'dynamic' })) + expect(report).toContain('dyn-2: greeter-consumer [pending] — waiting for: greeter') + }) + + it('re-providing the service re-runs the consumer through the same guard (active again, tool back)', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) // dyn-1 + await call(ctx, 'cordis_mount', { code: CONSUMER_CODE }) // dyn-2 + await call(ctx, 'cordis_unmount', { id: 'dyn-1' }) + expect(ctx.tools.get('greet')).toBeUndefined() + + await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) // dyn-3 + expect(ctx.tools.get('greet')).toBeDefined() + expect(text(await call(ctx, 'greet', { name: 'again' }))).toBe('hi again') + expect(text(await call(ctx, 'cordis_inspect', { what: 'dynamic' }))).toContain('dyn-2: greeter-consumer [active]') + }) + + it('a duplicate provide fails loud with the owning fiber named, and the failed mount is disposed', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) + const duplicate = await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) + expect(duplicate.isError).toBe(true) + expect(text(duplicate)).toContain('has been registered') + const report = text(await call(ctx, 'cordis_inspect', { what: 'dynamic' })) + expect(report).toContain('dyn-1: greeter-provider') + expect(report).not.toContain('dyn-2') + }) + + it('inspect surfaces the linkage: provides on the provider row, the service in services and api sections', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) + await call(ctx, 'cordis_mount', { code: CONSUMER_CODE }) + + const dynamic = text(await call(ctx, 'cordis_inspect', { what: 'dynamic' })) + expect(dynamic).toContain('dyn-1: greeter-provider [active] — provides: greeter') + + const services = text(await call(ctx, 'cordis_inspect', { what: 'services' })) + expect(services).toContain('- greeter (provided by greeter-provider)') + + const api = text(await call(ctx, 'cordis_inspect', { what: 'api' })) + expect(api).toContain('- greeter (provided by greeter-provider, no catalog entry)') + }) + + it('a primitive (or null) provided value passes through the façade unwrapped, on both read paths', async () => { + const ctx = await setup() + const provider = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'answer-provider', + apply(ctx) { + ctx.provide('answer', 42) + ctx.provide('nothing', null) + }, + } + `, + }) + expect(provider.isError).toBe(false) + + const consumer = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'answer-consumer', + inject: ['answer', 'nothing', 'tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'answer', + description: 'Read the provided primitive services.', + parameters: {}, + async execute() { + return [{ type: 'text', text: ctx.answer + '/' + ctx.get('answer') + '/' + ctx.nothing }] + }, + })) + }, + } + `, + }) + expect(consumer.isError).toBe(false) + expect(text(consumer)).toContain('state: active') + expect(text(await call(ctx, 'answer', {}))).toBe('42/42/null') + }) + + it('unmounting the consumer leaves the provider and its service intact', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { code: PROVIDER_CODE }) // dyn-1 + await call(ctx, 'cordis_mount', { code: CONSUMER_CODE }) // dyn-2 + await call(ctx, 'cordis_unmount', { id: 'dyn-2' }) + + expect(ctx.tools.get('greet')).toBeUndefined() + const services = text(await call(ctx, 'cordis_inspect', { what: 'services' })) + expect(services).toContain('- greeter (provided by greeter-provider)') + expect(text(await call(ctx, 'cordis_inspect', { what: 'dynamic' }))).toContain('dyn-1: greeter-provider [active]') + }) +}) diff --git a/packages/cordis/tool-cordis/tests/helpers.ts b/packages/cordis/tool-cordis/tests/helpers.ts new file mode 100644 index 0000000000..b183a2444f --- /dev/null +++ b/packages/cordis/tool-cordis/tests/helpers.ts @@ -0,0 +1,104 @@ +import { Context } from 'cordis' +import Timer from '@cordisjs/plugin-timer' +import { CallId } from '@deepseek-ai/dsh-llm' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import type { ToolDefinition, ToolExecutionResult } from '@deepseek-ai/dsh-tools' +import * as tool from '../src/index.ts' + +/** + * Shared spec helpers: a real `SystemPrompt` + `ToolRegistry` + timer + + * tool-cordis tree (only the model is absent — the code strings below stand in + * for what it would write), plus the canonical mount-code fixtures the suites + * share. + */ + +/** Mount the plugin on a fresh context with a real ToolRegistry and the timer service. */ +export async function setup(config?: tool.Config): Promise<Context> { + const ctx = new Context() + await ctx.plugin(Timer) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(tool, config) + return ctx +} + +let callCounter = 0 + +/** Execute a registered tool through the real registry pipeline. */ +export function call(ctx: Context, name: string, args: unknown): Promise<ToolExecutionResult> { + return ctx.tools.execute({ callId: CallId(`call-${++callCounter}`), name, arguments: args }) +} + +/** Concatenated text blocks of one tool result. */ +export function text(result: ToolExecutionResult): string { + return result.content.filter(block => block.type === 'text').map(block => block.text).join('') +} + +/** Mount code for a listener plugin: logs on every `tools/change`. */ +export const LISTENER_CODE = ` + return { + name: 'change-logger', + apply(ctx) { + ctx.on('tools/change', () => console.log('tools changed')) + }, + } +` + +/** Mount code for a self-made tool: registers `reverse_text` via the sandbox's harness helpers. */ +export const REVERSE_TOOL_CODE = ` + return { + name: 'reverse-text', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'reverse_text', + description: 'Reverse a string.', + parameters: { text: { type: 'string', required: true } }, + async execute(args) { + return [{ type: 'text', text: args.text.split('').reverse().join('') }] + }, + })) + }, + } +` + +/** Mount code providing a `greeter` service other mounts can inject. */ +export const PROVIDER_CODE = ` + return { + name: 'greeter-provider', + apply(ctx) { + ctx.provide('greeter', { greet: (name) => 'hi ' + name }) + }, + } +` + +/** Mount code consuming the `greeter` service through inject, exposing it as a tool. */ +export const CONSUMER_CODE = ` + return { + name: 'greeter-consumer', + inject: ['greeter', 'tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'greet', + description: 'Greet someone via the greeter service.', + parameters: { name: { type: 'string', required: true } }, + async execute(args) { + return [{ type: 'text', text: ctx.greeter.greet(args.name) }] + }, + })) + }, + } +` + +/** A registrable no-op tool the tests use to trigger a real `tools/change`. */ +export function dummyTool(name: string): ToolDefinition { + return { + name, + description: 'test trigger', + parameters: { type: 'object' as const, properties: {} }, + async execute(): Promise<[]> { + return [] + }, + } +} diff --git a/packages/cordis/tool-cordis/tests/inspect.spec.ts b/packages/cordis/tool-cordis/tests/inspect.spec.ts new file mode 100644 index 0000000000..1a8c39467a --- /dev/null +++ b/packages/cordis/tool-cordis/tests/inspect.spec.ts @@ -0,0 +1,117 @@ +import { describe, expect, it } from 'vitest' +import type { Context, Fiber } from 'cordis' +import { FiberState } from '../src/fiber-state.ts' +import { describeApi, describeEvents, describePlugins, describeServices } from '../src/inspect.ts' +import { call, LISTENER_CODE, setup, text } from './helpers.ts' + +/** + * The `cordis_inspect` sections: rendered against the real runtime through the + * tool, plus direct renderer calls for the states a minimal harness cannot + * reach (empty service store, same-named sibling fibers, a fully-live catalog). + */ + +describe('cordis_inspect', () => { + it('reports all six sections by default', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_inspect', {}) + expect(result.isError).toBe(false) + const report = text(result) + for (const heading of ['services', 'plugins', 'tools', 'dynamic', 'api', 'events']) { + expect(report).toContain(`## ${heading}`) + } + // The services section sees the real providers; the plugins list shows + // this plugin and its dynamic group flat; the tools section lists the + // cordis tools. + expect(report).toContain('- tools (provided by ToolRegistry)') + expect(report).toContain('- tool-cordis [active]') + expect(report).toContain('- cordis-dynamic [active]') + expect(report).toContain('- cordis_mount') + expect(report).toContain('(no dynamic plugins mounted)') + }) + + it('limits the report to one section via `what`', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_inspect', { what: 'tools' }) + const report = text(result) + expect(report).toContain('## tools') + expect(report).not.toContain('## services') + expect(report).not.toContain('## plugins') + }) + + it('shows a mount in the dynamic section and in the flat plugins list', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { code: LISTENER_CODE }) + const report = text(await call(ctx, 'cordis_inspect', {})) + expect(report).toContain('- dyn-1: change-logger [active]') + expect(report).toContain('- change-logger [active]') + }) + + it('renders the api section from the generated catalog intersected with the LIVE runtime', async () => { + const ctx = await setup() + const report = text(await call(ctx, 'cordis_inspect', { what: 'api' })) + // Live catalogued services render summary + signatures. + expect(report).toContain('- tools — ') + expect(report).toContain('register(definition: ToolDefinition)') + expect(report).toContain('- systemPrompt — ') + // Catalogued services with no live provider are listed tersely. + expect(report).toMatch(/not running \(loadable services with no live provider\): .*bash/) + // The type shapes the LIVE signatures reference follow (closure over the + // generated TYPE_API — a consumer can see field types, not just names). + expect(report).toContain('type shapes (referenced by the signatures above') + expect(report).toContain('export interface ToolExecution') + // A type only reachable through a NOT-live service (e.g. bash) is scoped out. + expect(report).not.toContain('export interface BashRunResult') + // The inherited ctx surface closes the section. + expect(report).toContain('inherited ctx API:') + expect(report).toContain('- ctx.effect — ') + }) + + it('renders the events section with mode badges, signatures, and the waterfall caution', async () => { + const ctx = await setup() + const report = text(await call(ctx, 'cordis_inspect', { what: 'events' })) + expect(report).toContain('- tools/change [emit]') + expect(report).toContain('- tools/pre-execute [waterfall]') + expect(report).toMatch(/'agent\/status'\(/) + expect(report).toContain('returning without next() vetoes the chain') + }) +}) + +describe('inspect renderers (direct)', () => { + it('describeServices reports an empty store as such, and labels a non-active provider', () => { + const empty = { reflect: { store: {} } } as unknown as Context + expect(describeServices(empty)).toEqual(['(no services provided)']) + + const pendingFiber = { state: FiberState.PENDING, name: 'half-loaded' } as unknown as Fiber + const store: Record<symbol, unknown> = {} + store[Symbol('impl')] = { name: 'thing', fiber: pendingFiber } + const ctx = { reflect: { store } } as unknown as Context + expect(describeServices(ctx)).toEqual(['- thing (provided by half-loaded, pending)']) + }) + + it('describePlugins lists every fiber flat, sorted by name, one line per instance', () => { + const fiber = (name: string): Fiber => ({ name, state: FiberState.ACTIVE }) as unknown as Fiber + const ctx = { + registry: { values: () => [{ fibers: [fiber('beta'), fiber('alpha')] }, { fibers: [fiber('alpha')] }] }, + } as unknown as Context + expect(describePlugins(ctx)).toEqual([ + '- alpha [active]', + '- alpha [active]', + '- beta [active]', + ]) + }) + + it('describeApi omits the not-running line and type shapes when nothing applies', async () => { + const ctx = await setup() + const lines = describeApi(ctx, [{ key: 'tools', summary: 'The registry.', methods: ['register(x): void'] }], [], []) + expect(lines[0]).toBe('- tools — The registry.') + expect(lines[1]).toBe(' register(x): void') + expect(lines.join('\n')).not.toContain('not running') + expect(lines.join('\n')).not.toContain('type shapes') + }) + + it('describeEvents renders an empty catalog as just the waterfall caution', () => { + expect(describeEvents([])).toEqual([ + 'waterfall listeners receive a trailing next() and MUST call it to delegate — returning without next() vetoes the chain.', + ]) + }) +}) diff --git a/packages/cordis/tool-cordis/tests/integration.spec.ts b/packages/cordis/tool-cordis/tests/integration.spec.ts new file mode 100644 index 0000000000..94331df7c0 --- /dev/null +++ b/packages/cordis/tool-cordis/tests/integration.spec.ts @@ -0,0 +1,74 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop, { ReactLoopAgent } from '@deepseek-ai/dsh-agent-loop' +import * as ToolCordis from '../src/index.ts' +import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +import { REVERSE_TOOL_CODE } from './helpers.ts' + +/** + * Full-loop integration: a scripted mock model mounts a plugin that registers + * a NEW tool, calls that tool on the very next step (tool schemas are + * reassembled per step — the real loop proves the self-extension contract), + * and unmounts it again. Only the model is mocked; the sandbox, the fiber + * tree, and the session log are real. + */ + +async function harness(adapter: MockAdapter): Promise<Context> { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(ToolCordis) + ctx.llm.registerAdapter(['mock'], adapter) + return ctx +} + +function waitForIdle(ctx: Context, agent: ReactLoopAgent): Promise<void> { + return new Promise((resolve) => { + const dispose = ctx.on('agent/status', (subject, status) => { + if (subject === agent && status === 'idle') { + dispose() + resolve() + } + }) + }) +} + +describe('cordis tools through the agent loop', () => { + it('mounts a tool, calls it on the next step, and unmounts it — all as real tool/call events', async () => { + const adapter = new MockAdapter([ + toolCallResponse('call-1', 'cordis_mount', { code: REVERSE_TOOL_CODE }, 'Extending myself.'), + toolCallResponse('call-2', 'reverse_text', { text: 'harness' }), + toolCallResponse('call-3', 'cordis_unmount', { id: 'dyn-1' }), + textResponse('Done.'), + ]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('it-cordis'), { model: 'mock' }) + + agent.send([{ type: 'text', text: 'give yourself reverse_text, use it, clean up' }]) + await waitForIdle(ctx, agent) + + const log = agent.session.events + const calls = log.filter(event => event.type === 'tool/call').map(event => event.data.name) + expect(calls).toEqual(['cordis_mount', 'reverse_text', 'cordis_unmount']) + + const results = log.filter(event => event.type === 'tool/result') + expect(results.map(event => event.data.isError)).toEqual([false, false, false]) + const reversed = results[1]!.data.content + .filter(block => block.type === 'text') + .map(block => block.text) + .join('') + expect(reversed).toBe('ssenrah') + + // After the unmount the self-made tool is gone from the registry. + expect(ctx.tools.get('reverse_text')).toBeUndefined() + }) +}) diff --git a/packages/cordis/tool-cordis/tests/mount.spec.ts b/packages/cordis/tool-cordis/tests/mount.spec.ts new file mode 100644 index 0000000000..fc29eeb2a0 --- /dev/null +++ b/packages/cordis/tool-cordis/tests/mount.spec.ts @@ -0,0 +1,575 @@ +import { afterEach, describe, expect, it, vi } from 'vitest' +import { isJsonValue } from '@deepseek-ai/dsh-session' +import { syntaxErrorContext } from '../src/sandbox.ts' +import { call, dummyTool, LISTENER_CODE, REVERSE_TOOL_CODE, setup, text } from './helpers.ts' + +/** + * The `cordis_mount` success/failure family: real plugins land on a genuine + * cordis fiber tree, their registrations are observable through the real + * registry/event bus, and every rejection path teaches the fix. + */ + +afterEach(() => { + vi.restoreAllMocks() +}) + +describe('cordis_mount', () => { + it('mounts a listener plugin that observes real events, tagged-logging through to the host console', async () => { + const ctx = await setup() + const log = vi.spyOn(console, 'log').mockImplementation(() => {}) + + const result = await call(ctx, 'cordis_mount', { code: LISTENER_CODE }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('mounted dyn-1 (plugin "change-logger", state: active)') + + // Fire a REAL tools/change by registering a tool; the mounted listener logs. + ctx.tools.register(dummyTool('trigger_a')) + expect(log).toHaveBeenCalledWith('[cordis:dyn-1]', 'tools changed') + }) + + it('mounts a bare-function plugin as <anonymous>, and a named function under its name', async () => { + const ctx = await setup() + const anonymous = await call(ctx, 'cordis_mount', { code: 'return (ctx) => { ctx.on(\'tools/change\', () => {}) }' }) + expect(anonymous.isError).toBe(false) + expect(text(anonymous)).toContain('plugin "<anonymous>"') + const named = await call(ctx, 'cordis_mount', { code: 'return function watcher(ctx) {}' }) + expect(text(named)).toContain('plugin "watcher"') + }) + + it('lets the agent give ITSELF a new tool, immediately callable through the registry', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { code: REVERSE_TOOL_CODE }) + expect(result.isError).toBe(false) + + expect(ctx.tools.schemas().map(schema => schema.name)).toContain('reverse_text') + const reversed = await call(ctx, 'reverse_text', { text: 'harness' }) + expect(reversed.isError).toBe(false) + expect(text(reversed)).toBe('ssenrah') + }) + + it('normalizes a self-made tool\'s result into the host realm, so the session log accepts it', async () => { + // The model's execute builds its content blocks INSIDE the vm, where + // Object.prototype is a different object — dsh-session's isJsonValue (the + // gate every `tool/result` append runs through) compares prototype + // IDENTITY, so a raw foreign-realm result would error the whole turn the + // first time the self-made tool runs. harness.defineTool round-trips the + // return into host-realm JSON before it reaches the registry. + const ctx = await setup() + await call(ctx, 'cordis_mount', { code: REVERSE_TOOL_CODE }) + const reversed = await call(ctx, 'reverse_text', { text: 'harness' }) + expect(isJsonValue({ content: reversed.content, isError: reversed.isError })).toBe(true) + }) + + it('threads the { content, meta } object return form through to the registry result', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'meta-return', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'meta_tool', + description: 'attaches a private presentation payload', + parameters: {}, + async execute() { + return { content: [{ type: 'text', text: 'ok' }], meta: { kind: 'demo' } } + }, + })) + }, + } + `, + }) + const result = await call(ctx, 'meta_tool', {}) + expect(result.isError).toBe(false) + expect(text(result)).toBe('ok') + expect(result.meta).toEqual({ kind: 'demo' }) + }) + + it.each([ + ['a bare string', 'return \'ok\'', '"ok"'], + ['an object whose content is a string', 'return { content: \'ok\' }', '{"content":"ok"}'], + ['an array of non-objects', 'return [\'ok\']', '["ok"]'], + ['blocks missing the type tag', 'return [{ text: \'hi\' }]', '[{"text":"hi"}]'], + ['object-form blocks missing the type tag', 'return { content: [{ text: \'hi\' }] }', '{"content":[{"text":"hi"}]}'], + ['undefined — a forgotten return', 'return undefined', 'undefined'], + ])('rejects an execute return of %s as that one call\'s teaching error', async (_label, returnStatement, preview) => { + // The failure this prevents: the registry trusts the return shape + // (postExecute spreads result.content), so an unvalidated { content: 'ok' } + // would enter the session log as ['o','k'] and silently corrupt the next + // model request. The shape check turns it into THIS call's error instead — + // one well-formed text block the log and the model can digest. + const ctx = await setup() + await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'bad-return', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'bad_return_tool', + description: 'returns a wrong shape', + parameters: {}, + async execute() { ${returnStatement} }, + })) + }, + } + `, + }) + const result = await call(ctx, 'bad_return_tool', {}) + expect(result.isError).toBe(true) + expect(result.content).toHaveLength(1) + expect(result.content[0]!.type).toBe('text') + expect(text(result)).toContain(`execute returned ${preview}`) + expect(text(result)).toContain('must return an ARRAY of content blocks') + expect(text(result)).toContain('✓ return { content: [{ type: \'text\', text: someString }], meta: anyJsonValue }') + }) + + it('truncates a huge invalid execute return in the teaching error', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'huge-return', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'huge_return_tool', + description: 'returns a huge wrong shape', + parameters: {}, + async execute() { return 'x'.repeat(500) }, + })) + }, + } + `, + }) + const result = await call(ctx, 'huge_return_tool', {}) + expect(result.isError).toBe(true) + expect(text(result)).toContain('…') + expect(text(result)).not.toContain('x'.repeat(200)) + }) + + it('accepts a JSON-Schema-style parameters wrapper and normalizes it to the DSL', async () => { + // The dialect models write by strong prior: the { type:'object', + // properties, required: […] } wrapper, `type: 'integer'`, and + // `required: false`. All of it has exactly one meaning — normalize instead + // of burning a model turn on a lecture. + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'json-schema-tool', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'json_schema_tool', + description: 'written in the JSON-Schema dialect', + parameters: { + type: 'object', + properties: { + text: { type: 'string', description: 'the text' }, + count: { type: 'integer', default: 1 }, + mode: { type: 'string', enum: ['fast', 'slow'] }, + extra: { type: 'string', required: false }, + }, + required: ['text'], + }, + async execute(args) { return [{ type: 'text', text: args.text + ':' + (args.count ?? 0) }] }, + })) + }, + } + `, + }) + expect(result.isError).toBe(false) + + // The registered schema is canonical JSON Schema derived from the DSL: + // the required array survived, integer became number, extra is optional. + const schema = ctx.tools.schemas().find(s => s.name === 'json_schema_tool')! + const parameters = schema.parameters as { properties: Record<string, { type: string; enum?: string[] }>; required?: string[] } + expect(parameters.required).toEqual(['text']) + expect(parameters.properties.count!.type).toBe('number') + expect(parameters.properties.mode!.enum).toEqual(['fast', 'slow']) + // Arg validation enforces the normalized spec: text required, extra not. + expect((await call(ctx, 'json_schema_tool', { count: 2 })).isError).toBe(true) + expect(text(await call(ctx, 'json_schema_tool', { text: 'ok', count: 2 }))).toBe('ok:2') + }) + + it('normalizes a nested object property carrying a JSON-Schema required array', async () => { + // On an object PROPERTY, a JSON-Schema-style `required` array names the + // required children — the nested unwrap converts it just like the top level. + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'nested-json-schema', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'nested_json_schema_tool', + description: 'nested dialect', + parameters: { + cfg: { type: 'object', properties: { label: { type: 'string' } }, required: ['label'] }, + }, + async execute(args) { return [{ type: 'text', text: args.cfg.label }] }, + })) + }, + } + `, + }) + expect(result.isError).toBe(false) + const schema = ctx.tools.schemas().find(s => s.name === 'nested_json_schema_tool')! + const cfg = (schema.parameters as { properties: { cfg: { required?: string[] } } }).properties.cfg + expect(cfg.required).toEqual(['label']) + expect(text(await call(ctx, 'nested_json_schema_tool', { cfg: { label: 'hi' } }))).toBe('hi') + }) + + it.each([ + ['parameters: 42', 'must be a SchemaSpec object'], + ['parameters: { text: 42 }', 'parameters.text must be a SchemaSpec property object'], + ['parameters: { text: { type: \'str\' } }', 'parameters.text must declare a valid type: \'string\' | \'number\' | \'boolean\' | \'object\' | \'array\' (got "str")'], + ['parameters: { text: { type: \'string\', required: \'yes\' } }', 'parameters.text.required must be a boolean when present'], + ['parameters: { text: { type: \'string\', properties: {} } }', 'parameters.text.properties is only valid for type "object"'], + ['parameters: { text: { type: \'string\', items: { type: \'string\' } } }', 'parameters.text.items is only valid for type "array"'], + ])('rejects a malformed SchemaSpec (%s) with a teaching error', async (parameters, message) => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'bad-schema', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'bad_schema_tool', + description: 'bad', + ${parameters}, + async execute() { return [] }, + })) + }, + } + `, + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain(message) + }) + + it('accepts a nested object/array SchemaSpec (the DSL recursion)', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'nested-schema', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'nested_schema_tool', + description: 'nested', + parameters: { + item: { type: 'object', required: true, properties: { label: { type: 'string', required: true } } }, + tags: { type: 'array', items: { type: 'string' } }, + }, + async execute(args) { return [{ type: 'text', text: args.item.label }] }, + })) + }, + } + `, + }) + expect(result.isError).toBe(false) + const echoed = await call(ctx, 'nested_schema_tool', { item: { label: 'ok' }, tags: ['a'] }) + expect(text(echoed)).toBe('ok') + }) + + it('rejects raw dynamic ctx.tools.register calls that bypass harness helpers', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'raw-register', + inject: ['tools'], + apply(ctx) { + ctx.tools.register({ + name: 'raw_dynamic_tool', + description: 'raw', + parameters: { type: 'object', properties: {} }, + async execute() { return [] }, + }) + }, + } + `, + }) + + expect(result.isError).toBe(true) + expect(text(result)).toContain('dynamic tool registration must use a tool returned by harness.defineTool') + expect(ctx.tools.get('raw_dynamic_tool')).toBeUndefined() + }) + + it('guards the registry reached through ctx.get(\'tools\') identically', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'raw-register-get', + apply(ctx) { + ctx.get('tools').register({ name: 'raw_via_get', description: 'raw', parameters: {}, async execute() { return [] } }) + }, + } + `, + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('dynamic tool registration must use a tool returned by harness.defineTool') + expect(ctx.tools.get('raw_via_get')).toBeUndefined() + }) + + it('passes non-register registry members through the guard with correct binding', async () => { + const ctx = await setup() + const log = vi.spyOn(console, 'log').mockImplementation(() => {}) + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'schema-reader', + inject: ['tools'], + apply(ctx) { + console.log('sees', ctx.tools.schemas().length, 'tools; mount is', typeof ctx.tools.get('cordis_mount')) + }, + } + `, + }) + expect(result.isError).toBe(false) + expect(log).toHaveBeenCalledWith('[cordis:dyn-1]', 'sees', 3, 'tools; mount is', 'object') + }) + + it('keeps a plugin with unsatisfied inject mounted as pending and names what it waits for', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: 'return { name: \'waiter\', inject: [\'no-such-service\'], apply(ctx) {} }', + }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('state: pending') + expect(text(result)).toContain('waiting for service(s): no-such-service') + // Unmounting a pending mount works like any other. + const unmounted = await call(ctx, 'cordis_unmount', { id: 'dyn-1' }) + expect(unmounted.isError).toBe(false) + }) + + it('rejects code that throws, leaving nothing mounted', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { code: 'throw new Error(\'boom in sandbox\')' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('boom in sandbox') + expect(text(await call(ctx, 'cordis_inspect', { what: 'dynamic' }))).toContain('(no dynamic plugins mounted)') + }) + + it('passes non-Error and null throws through untouched (no SyntaxError misclassification)', async () => { + const ctx = await setup() + const primitive = await call(ctx, 'cordis_mount', { code: 'throw \'plain-string-throw\'' }) + expect(primitive.isError).toBe(true) + expect(text(primitive)).toContain('plain-string-throw') + const nullish = await call(ctx, 'cordis_mount', { code: 'throw null' }) + expect(nullish.isError).toBe(true) + }) + + it('rejects code that does not return a plugin', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { code: 'return 42' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('must `return` a plugin') + }) + + it('answers a missing return with the two valid plugin forms', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { code: 'const plugin = (ctx) => {}' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('did you forget `return`?') + }) + + it('disposes a plugin whose apply throws, and reports the error', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: 'return { name: \'broken\', apply(ctx) { throw new Error(\'apply exploded\') } }', + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('apply exploded') + expect(text(await call(ctx, 'cordis_inspect', { what: 'dynamic' }))).toContain('(no dynamic plugins mounted)') + }) + + it('rolls back a plugin that collides with an existing tool name, keeping the original tool intact', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'usurper', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'cordis_mount', + description: 'dup', + parameters: {}, + async execute() { return [] }, + })) + }, + } + `, + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('already registered') + expect(text(result)).toContain('first cordis_unmount') + // The original cordis_mount still dispatches — the failed fiber is gone. + const retry = await call(ctx, 'cordis_mount', { code: LISTENER_CODE }) + expect(retry.isError).toBe(false) + }) + + it('isolates sandbox globals: no process/Buffer, and globalThis writes do not leak to the host', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + globalThis.__cordis_tool_leak = 'leaked' + return { name: 'probe-' + typeof process + '-' + typeof Buffer, apply(ctx) {} } + `, + }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('plugin "probe-undefined-undefined"') + expect((globalThis as Record<string, unknown>).__cordis_tool_leak).toBeUndefined() + }) + + it.each([ + ['require(\'fs\')', 'require is not available in the mount sandbox', 'inject: [\'fs\']'], + ['setTimeout(() => {}, 5)', 'setTimeout is not available in the mount sandbox', 'ctx.setTimeout'], + ['fetch(\'https://example.com\')', 'fetch is not available in the mount sandbox', 'ctx.web'], + ])('traps the Node API call %s with a redirect to the cordis alternative', async (invocation, trapMessage, redirect) => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { code: `${invocation}\nreturn (ctx) => {}` }) + expect(result.isError).toBe(true) + expect(text(result)).toContain(trapMessage) + expect(text(result)).toContain(redirect) + expect(text(await call(ctx, 'cordis_inspect', { what: 'dynamic' }))).toContain('(no dynamic plugins mounted)') + }) + + it('lets a mounted plugin schedule through the cordis timer service (inject: [\'timer\'])', async () => { + const ctx = await setup() + const log = vi.spyOn(console, 'log').mockImplementation(() => {}) + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'ticker', + inject: ['timer'], + apply(ctx) { + ctx.setTimeout(() => console.log('tick'), 10) + }, + } + `, + }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('state: active') + await new Promise(resolve => setTimeout(resolve, 50)) + expect(log).toHaveBeenCalledWith('[cordis:dyn-1]', 'tick') + }) + + it('provides btoa/atob and the tagged console variants inside the sandbox', async () => { + const ctx = await setup() + const log = vi.spyOn(console, 'log').mockImplementation(() => {}) + const error = vi.spyOn(console, 'error').mockImplementation(() => {}) + const result = await call(ctx, 'cordis_mount', { + code: ` + console.warn('warned') + console.error('errored') + const round = atob(btoa('hi')) + const bytes = new TextEncoder().encode(round) + return { name: 'codec-' + new TextDecoder().decode(bytes), apply(ctx) { console.log('applied', typeof ctx.on) } } + `, + }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('plugin "codec-hi"') + expect(log).toHaveBeenCalledWith('[cordis:dyn-1]', 'warned') + expect(log).toHaveBeenCalledWith('[cordis:dyn-1]', 'applied', 'function') + expect(error).toHaveBeenCalledWith('[cordis:dyn-1]', 'errored') + }) + + it('answers TypeScript syntax in the plain-JS sandbox with the fix', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: 'return { name: \'ts\' as const, apply(ctx) {} }', + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('plain JavaScript, not TypeScript') + }) + + it('surfaces the offending line + caret and the bracket-balance hint on a syntax error', async () => { + const ctx = await setup() + // The canonical model mistake: closing the returned object with `});` as + // if it were a callback argument. The word "as" in a STRING elsewhere must + // not trigger the TypeScript hint — the heuristic reads the failing line. + const result = await call(ctx, 'cordis_mount', { + code: 'const note = \'treat pattern as regex\'\nreturn {\n name: \'oops\',\n apply(ctx) {}\n});', + }) + expect(result.isError).toBe(true) + const message = text(result) + expect(message).toContain('failed to parse') + expect(message).toContain('});') + expect(message).toContain('^') + expect(message).toContain('BODY of an async function') + expect(message).not.toContain('TypeScript') + }) + + it('syntaxErrorContext falls back to String(error) when the stack has no vm prelude', () => { + const doctored = new SyntaxError('boom') + delete (doctored as { stack?: string }).stack + expect(syntaxErrorContext(doctored)).toBe('SyntaxError: boom') + const plain = new SyntaxError('bang') + plain.stack = 'not-a-vm-stack' + expect(syntaxErrorContext(plain)).toBe('SyntaxError: bang') + }) + + it('handles a runtime-thrown SyntaxError (no source-line prelude) with the generic hint', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { code: 'throw new SyntaxError(\'user-crafted\')' }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('failed to parse') + expect(text(result)).toContain('user-crafted') + }) + + it('honors the configured vmTimeoutMs for the synchronous portion', async () => { + const ctx = await setup({ vmTimeoutMs: 50 }) + const result = await call(ctx, 'cordis_mount', { code: 'while (true) {}' }) + expect(result.isError).toBe(true) + expect(text(result)).toMatch(/timed? ?out/i) + expect(text(await call(ctx, 'cordis_inspect', { what: 'dynamic' }))).toContain('(no dynamic plugins mounted)') + }) + + it('makes instanceof inside the sandbox see BOTH realms (patched vm constructors, host untouched)', async () => { + // The args a tool's execute receives are HOST-realm objects; without the + // dual-realm Symbol.hasInstance prelude, `args.items instanceof Array` in + // sandbox code is silently false. The patch lives on the vm realm's own + // constructors only — the host realm's must stay pristine. + const ctx = await setup() + await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'probe-instanceof', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'probe_instanceof', + description: 'report instanceof checks across realms', + parameters: { items: { type: 'array', required: true, items: { type: 'string' } } }, + async execute(args) { + const checks = { + hostArray: args.items instanceof Array, + hostObject: args instanceof Object, + vmArray: [] instanceof Array, + vmObject: ({}) instanceof Object, + } + return [{ type: 'text', text: JSON.stringify(checks) }] + }, + })) + }, + } + `, + }) + const probed = await call(ctx, 'probe_instanceof', { items: ['a'] }) + expect(probed.isError).toBe(false) + expect(JSON.parse(text(probed))).toEqual({ hostArray: true, hostObject: true, vmArray: true, vmObject: true }) + // The host realm's constructors keep their default instanceof: no own + // Symbol.hasInstance was added to them. + expect(Object.getOwnPropertySymbols(Object)).not.toContain(Symbol.hasInstance) + expect(Object.getOwnPropertySymbols(Array)).not.toContain(Symbol.hasInstance) + }) +}) diff --git a/packages/cordis/tool-cordis/tests/present.spec.ts b/packages/cordis/tool-cordis/tests/present.spec.ts new file mode 100644 index 0000000000..d8f380439f --- /dev/null +++ b/packages/cordis/tool-cordis/tests/present.spec.ts @@ -0,0 +1,41 @@ +import { describe, expect, it } from 'vitest' +import { presentInspectCall, presentMountCall, presentUnmountCall } from '../src/present.ts' +import { setup } from './helpers.ts' + +/** + * Render-intent presenters: pure functions of the call args (no I/O, no + * session state — they run on replay too), wired onto the registered tools. + */ + +describe('presenters', () => { + it('cordis_inspect renders a generic read card titled with the section', () => { + expect(presentInspectCall({})).toEqual({ card: 'generic', kind: 'read', title: 'Inspect cordis runtime' }) + expect(presentInspectCall({ what: 'api' })).toEqual({ card: 'generic', kind: 'read', title: 'Inspect cordis runtime: api' }) + }) + + it('cordis_mount renders a generic execute card carrying the code as raw input', () => { + expect(presentMountCall({ code: 'return (ctx) => {}' })).toEqual({ + card: 'generic', + kind: 'execute', + title: 'Mount plugin into live cordis runtime', + rawInput: { code: 'return (ctx) => {}' }, + }) + }) + + it('cordis_unmount renders a generic delete card titled with the id', () => { + expect(presentUnmountCall({ id: 'dyn-1' })).toEqual({ card: 'generic', kind: 'delete', title: 'Unmount dyn-1' }) + }) + + it('is wired onto the registered definitions through the defineTool soft-validation path', async () => { + const ctx = await setup() + expect(ctx.tools.get('cordis_inspect')!.presentCall!({ what: 'tools' })).toEqual({ + card: 'generic', + kind: 'read', + title: 'Inspect cordis runtime: tools', + }) + expect(ctx.tools.get('cordis_mount')!.presentCall!({ code: 'return 1' })).toMatchObject({ kind: 'execute' }) + expect(ctx.tools.get('cordis_unmount')!.presentCall!({ id: 'dyn-2' })).toMatchObject({ title: 'Unmount dyn-2' }) + // Soft validation: presenter args that fail the schema render as no card, never a throw. + expect(ctx.tools.get('cordis_unmount')!.presentCall!({ id: 42 })).toBeUndefined() + }) +}) diff --git a/packages/cordis/tool-cordis/tests/sandbox-context.spec.ts b/packages/cordis/tool-cordis/tests/sandbox-context.spec.ts new file mode 100644 index 0000000000..d3ade92572 --- /dev/null +++ b/packages/cordis/tool-cordis/tests/sandbox-context.spec.ts @@ -0,0 +1,295 @@ +import { describe, expect, it } from 'vitest' +import { call, setup, text } from './helpers.ts' + +/** + * The sandbox context façade is a whitelist, not a pass-through proxy: mount + * code reaches only the registration/eventing verbs, the timer helpers, a + * guarded `tools`, and its injected services. Every framework-plumbing member + * that could hand back an UNGUARDED context — through which a plugin could + * `ctx.<escape>.tools.register({…})` to bypass the marker check and host-realm + * normalization — is denied. These are the regression guards for that escape + * class (the review finding on the original pass-through proxy). + */ + +/** Mount a plugin whose `apply` touches one framework member, and report the error text. */ +async function mountTouching(ctx: Awaited<ReturnType<typeof setup>>, expr: string): Promise<string> { + const result = await call(ctx, 'cordis_mount', { + code: `return { name: 'probe', inject: ['tools'], apply(ctx) { ${expr} } }`, + }) + expect(result.isError).toBe(true) + return text(result) +} + +describe('sandbox context façade — escape surface is closed', () => { + it.each([ + ['ctx.root', 'const c = ctx.root'], + ['ctx.parent', 'const c = ctx.parent'], + ['ctx.scope', 'const c = ctx.scope'], + ['ctx.fiber', 'const f = ctx.fiber'], + ['ctx.reflect', 'const r = ctx.reflect'], + ['ctx.registry', 'const r = ctx.registry'], + ['ctx.events', 'const e = ctx.events'], + ['ctx.extend()', 'ctx.extend({})'], + ['ctx.isolate()', 'ctx.isolate("x")'], + ['ctx.intercept()', 'ctx.intercept("x", {})'], + ['ctx.plugin()', 'ctx.plugin({ apply() {} })'], + ['ctx.set()', 'ctx.set("tools", 1)'], + ['ctx.mixin()', 'ctx.mixin("x", [])'], + ])('denies %s with a teaching error', async (_label, expr) => { + const ctx = await setup() + const message = await mountTouching(ctx, expr) + expect(message).toContain('sandbox ctx does not expose') + expect(message).toContain('withheld by design') + }) + + it('the classic ctx.root.tools.register bypass registers nothing and fails loud', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'root-bypass', + inject: ['tools'], + apply(ctx) { + ctx.root.tools.register({ + name: 'smuggled', + description: 'raw, unguarded', + parameters: { type: 'object', properties: {} }, + async execute() { return [] }, + }) + }, + } + `, + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('sandbox ctx does not expose "root"') + // The whole point: the bypass never reaches the registry. + expect(ctx.tools.get('smuggled')).toBeUndefined() + }) + + it('rejects assignment to the façade rather than silently dropping it', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: 'return { name: \'writer\', apply(ctx) { ctx.stash = 1 } }', + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('sandbox ctx is read-only') + }) + + it('denies a service whose method returns a Context (the .ctx escape), registering nothing', async () => { + // A cordis Service instance carries `.ctx` (a real Context), so + // `ctx.systemPrompt.ctx.root.tools.register(…)` would be a fresh unguarded + // handle. The service wrapper's return-value guard rejects any Context on + // the way back to sandbox code, so the escape never lands. (`systemPrompt` + // is in the setup harness, so the plugin activates and its apply runs.) + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'svc-ctx-escape', + inject: ['systemPrompt', 'tools'], + apply(ctx) { + ctx.systemPrompt.ctx.root.tools.register({ + name: 'smuggled_via_service', + description: 'raw, unguarded', + parameters: { type: 'object', properties: {} }, + async execute() { return [] }, + }) + }, + } + `, + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('returned a cordis Context, which the sandbox does not expose') + expect(ctx.tools.get('smuggled_via_service')).toBeUndefined() + }) + + it('guards an async injected-service method: a host-realm Promise resolves through the guard', async () => { + // The return guard's Promise arm only fires for a HOST-realm Promise + // (a vm-realm one is not `instanceof` the host `Promise`). Provide a + // host-realm service from the test, then inject + await it from a mount: + // the resolved value is non-Context data and passes through. + const ctx = await setup() + ctx.plugin({ + name: 'host-async-svc', + apply(c) { c.provide('hostAsync', { grab: async () => 'host-fetched' }) }, + }) + await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'async-consumer', + inject: ['hostAsync', 'tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'do_fetch', + description: 'awaits the host async service', + parameters: {}, + async execute() { + const value = await ctx.hostAsync.grab() + return [{ type: 'text', text: value }] + }, + })) + }, + } + `, + }) + const result = await call(ctx, 'do_fetch', {}) + expect(result.isError).toBe(false) + expect(text(result)).toBe('host-fetched') + }) + + it('reads a symbol property as undefined and answers the `in` operator without throwing', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'introspector', + inject: ['tools'], + apply(ctx) { + const sym = ctx[Symbol.iterator] + console.log('probe', sym === undefined, 'tools' in ctx, 'on' in ctx, 'root' in ctx) + }, + } + `, + }) + expect(result.isError).toBe(false) + }) +}) + +describe('sandbox context façade — inject gate on services', () => { + it('denies an undeclared live service (property access), naming the inject fix', async () => { + // `systemPrompt` is a live global service in the setup harness, but this + // mount does not declare it — reaching it would let the mount depend on a + // provider cordis does not know about, so it is refused. + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: 'return { name: \'undeclared\', inject: [\'tools\'], apply(ctx) { const s = ctx.systemPrompt } }', + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('service "systemPrompt" is not injected') + expect(text(result)).toContain('inject: [\'systemPrompt\', …]') + }) + + it('denies an undeclared live service reached through ctx.get too', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: 'return { name: \'undeclared-get\', inject: [\'tools\'], apply(ctx) { ctx.get(\'systemPrompt\') } }', + }) + expect(result.isError).toBe(true) + expect(text(result)).toContain('service "systemPrompt" is not injected') + }) + + it('allows a service the mount DID declare in inject', async () => { + const ctx = await setup() + const result = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'declared', + inject: ['systemPrompt', 'tools'], + apply(ctx) { console.log('has systemPrompt:', typeof ctx.systemPrompt) } + } + `, + }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('state: active') + }) + + it('a cross-mount consumer must declare the provider — the undeclared path is refused, not left as a zombie tool', async () => { + // The finding's scenario: a consumer registers a tool built on a provider's + // service WITHOUT declaring inject. cordis would then never park the + // consumer when the provider unmounts, leaving a tool that fails only at + // execution. The gate refuses the undeclared access up front, so the + // dependency is always visible to cordis. + const ctx = await setup() + await call(ctx, 'cordis_mount', { + code: 'return { name: \'greeter-provider\', apply(ctx) { ctx.provide(\'greeter\', { greet: (n) => \'hi \' + n }) } }', + }) + const undeclared = await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'sloppy-consumer', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'greet_undeclared', + description: 'uses greeter without declaring it', + parameters: { n: { type: 'string', required: true } }, + async execute(args) { return [{ type: 'text', text: ctx.greeter.greet(args.n) }] }, + })) + }, + } + `, + }) + // The tool registers (its execute is lazy), but calling it hits the gate: + // `ctx.greeter` is undeclared, so it fails with the teaching error rather + // than silently working and later stranding. + expect(undeclared.isError).toBe(false) + const called = await call(ctx, 'greet_undeclared', { n: 'x' }) + expect(called.isError).toBe(true) + expect(text(called)).toContain('service "greeter" is not injected') + }) +}) + +describe('sandbox tools façade — get is a read-only schema view', () => { + it('ctx.tools.get returns a schema, not the live ToolDefinition with execute', async () => { + // The finding: returning the raw ToolDefinition hands mount code the + // tool's execute function, letting it bypass ToolRegistry.execute (and its + // pre/post hooks). get now returns the same name/description/parameters + // view as schemas(), with no execute. Asserted via a self-made tool that + // reports the shape it saw — world-checked, not self-reported. + const ctx = await setup() + await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'reporter', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'report_view', + description: 'reports the shape of a tool view', + parameters: {}, + async execute() { + const view = ctx.tools.get('cordis_mount') + return [{ type: 'text', text: JSON.stringify({ + hasExecute: 'execute' in view, + hasPresentCall: 'presentCall' in view, + name: view.name, + keys: Object.keys(view).sort(), + }) }] + }, + })) + }, + } + `, + }) + const reported = await call(ctx, 'report_view', {}) + expect(reported.isError).toBe(false) + const shape = JSON.parse(text(reported)) as { hasExecute: boolean; hasPresentCall: boolean; name: string; keys: string[] } + expect(shape.hasExecute).toBe(false) + expect(shape.hasPresentCall).toBe(false) + expect(shape.name).toBe('cordis_mount') + expect(shape.keys).toEqual(['description', 'name', 'parameters']) + }) + + it('ctx.tools.get returns undefined for an unknown tool', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { + code: ` + return { + name: 'unknown-probe', + inject: ['tools'], + apply(ctx) { + harness.registerTool(ctx, harness.defineTool({ + name: 'probe_unknown', + description: 'reports whether an unknown tool resolves', + parameters: {}, + async execute() { + return [{ type: 'text', text: String(ctx.tools.get('no_such_tool') === undefined) }] + }, + })) + }, + } + `, + }) + expect(text(await call(ctx, 'probe_unknown', {}))).toBe('true') + }) +}) diff --git a/packages/cordis/tool-cordis/tests/tool-cordis.spec.ts b/packages/cordis/tool-cordis/tests/tool-cordis.spec.ts new file mode 100644 index 0000000000..8953b5da94 --- /dev/null +++ b/packages/cordis/tool-cordis/tests/tool-cordis.spec.ts @@ -0,0 +1,49 @@ +import { describe, expect, it } from 'vitest' +import Loader from '@cordisjs/plugin-loader' +import * as tool from '../src/index.ts' +import { setup } from './helpers.ts' + +/** + * Export-shape and registration surface: the namespace-plugin contract the + * real Loader path depends on, the registered tool set, and the Config + * validator's defaults and rejections. + */ + +describe('export shape', () => { + it('has no default export, and survives the real Loader unwrapExports', () => { + // A stray `export default` would make `unwrapExports` (`exports.default ?? + // exports`) collapse the module to the bare function and DROP `inject`, + // crashing at real load (docs/postmortem/0001). Assert directly AND through + // the real unwrap so adding `export default apply` fails here. + expect('default' in tool).toBe(false) + const loader = Object.create(Loader.prototype) as Loader + const unwrapped = loader.unwrapExports(tool) as Record<string, unknown> + expect(unwrapped).toBe(tool) + expect(unwrapped.name).toBe('tool-cordis') + expect(unwrapped.inject).toEqual(['tools']) + expect(typeof unwrapped.apply).toBe('function') + expect(typeof unwrapped.Config).toBe('function') + }) +}) + +describe('tool registration', () => { + it('registers the three cordis tools with the documented schemas', async () => { + const ctx = await setup() + const names = ctx.tools.schemas().map(schema => schema.name) + expect(names).toEqual(expect.arrayContaining(['cordis_inspect', 'cordis_mount', 'cordis_unmount'])) + const inspect = ctx.tools.schemas().find(schema => schema.name === 'cordis_inspect')! + const props = (inspect.parameters as { properties: Record<string, { enum?: string[] }> }).properties + expect(props.what?.enum).toEqual(['services', 'plugins', 'tools', 'dynamic', 'api', 'events']) + }) +}) + +describe('Config', () => { + it('defaults vmTimeoutMs to 5000', () => { + expect(new tool.Config()).toEqual({ vmTimeoutMs: 5000 }) + }) + + it('rejects a non-positive vmTimeoutMs at validation time (misconfiguration fails loud)', () => { + expect(() => new tool.Config({ vmTimeoutMs: 0 })).toThrow() + expect(() => new tool.Config({ vmTimeoutMs: -1 })).toThrow() + }) +}) diff --git a/packages/cordis/tool-cordis/tests/unmount-hmr.spec.ts b/packages/cordis/tool-cordis/tests/unmount-hmr.spec.ts new file mode 100644 index 0000000000..718a213968 --- /dev/null +++ b/packages/cordis/tool-cordis/tests/unmount-hmr.spec.ts @@ -0,0 +1,82 @@ +import { afterEach, describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import * as tool from '../src/index.ts' +import { call, dummyTool, LISTENER_CODE, REVERSE_TOOL_CODE, setup, text } from './helpers.ts' + +/** + * Disposal semantics: `cordis_unmount` reaches quiescence before returning, + * and disposing the tool-cordis fiber itself (the HMR path) cascades over the + * whole dynamic subtree through the ordinary parent→child fiber lifecycle. + */ + +afterEach(() => { + vi.restoreAllMocks() +}) + +describe('cordis_unmount', () => { + it('disposes the mount and its registrations have stopped by the time it returns (quiescence)', async () => { + const ctx = await setup() + const log = vi.spyOn(console, 'log').mockImplementation(() => {}) + await call(ctx, 'cordis_mount', { code: LISTENER_CODE }) + + ctx.tools.register(dummyTool('trigger_before')) + expect(log).toHaveBeenCalledTimes(1) + + const result = await call(ctx, 'cordis_unmount', { id: 'dyn-1' }) + expect(result.isError).toBe(false) + expect(text(result)).toContain('unmounted dyn-1') + + // Immediately after the awaited unmount, the listener must be gone — no + // grace period, no eventual consistency. + ctx.tools.register(dummyTool('trigger_after')) + expect(log).toHaveBeenCalledTimes(1) + expect(text(await call(ctx, 'cordis_inspect', { what: 'dynamic' }))).toContain('(no dynamic plugins mounted)') + }) + + it('unregisters a self-made tool on unmount', async () => { + const ctx = await setup() + await call(ctx, 'cordis_mount', { code: REVERSE_TOOL_CODE }) + expect(ctx.tools.get('reverse_text')).toBeDefined() + + await call(ctx, 'cordis_unmount', { id: 'dyn-1' }) + expect(ctx.tools.get('reverse_text')).toBeUndefined() + }) + + it('rejects an unknown id, and a second unmount of the same id', async () => { + const ctx = await setup() + const unknown = await call(ctx, 'cordis_unmount', { id: 'dyn-99' }) + expect(unknown.isError).toBe(true) + expect(text(unknown)).toContain('no dynamic plugin with id "dyn-99"') + + await call(ctx, 'cordis_mount', { code: LISTENER_CODE }) + await call(ctx, 'cordis_unmount', { id: 'dyn-1' }) + const again = await call(ctx, 'cordis_unmount', { id: 'dyn-1' }) + expect(again.isError).toBe(true) + }) +}) + +describe('HMR safety', () => { + it('disposing the tool-cordis fiber cascades over the dynamic subtree and its registrations', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + const fiber = await ctx.plugin(tool) + + const log = vi.spyOn(console, 'log').mockImplementation(() => {}) + await call(ctx, 'cordis_mount', { code: LISTENER_CODE }) + await call(ctx, 'cordis_mount', { code: REVERSE_TOOL_CODE }) + expect(ctx.tools.get('reverse_text')).toBeDefined() + + await fiber.dispose() + + // The whole subtree is gone: the self-made tool, the cordis tools, and the + // mounted listener (no log on a fresh tools/change). + expect(ctx.tools.get('reverse_text')).toBeUndefined() + expect(ctx.tools.get('cordis_mount')).toBeUndefined() + const calls = log.mock.calls.length + ctx.tools.register(dummyTool('trigger_post_dispose')) + expect(log).toHaveBeenCalledTimes(calls) + }) +}) diff --git a/packages/cordis/tool-cordis/tsconfig.json b/packages/cordis/tool-cordis/tsconfig.json new file mode 100644 index 0000000000..c4d4b6f656 --- /dev/null +++ b/packages/cordis/tool-cordis/tsconfig.json @@ -0,0 +1,27 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/timer" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../core/tools" + } + ] +} diff --git a/packages/core/README.md b/packages/core/README.md index eee8e3eed0..00b54f9fbc 100644 --- a/packages/core/README.md +++ b/packages/core/README.md @@ -1,6 +1,6 @@ # core/ — product API spine -The packages every harness build is assembled from: the session log, the system-prompt assembly, the tool registry, the agent vocabulary, and the one concrete loop that drives them. These are **product** packages — the stable surface plugins and consumers build against. +The session log, system-prompt assembly, tool registry, agent vocabulary, and concrete loop that form the harness's default control spine. These are **product** packages — the stable surface plugins and consumers build against. | Package | Role | ctx key | |---|---|---| @@ -9,8 +9,8 @@ The packages every harness build is assembled from: the session log, the system- | `tools/` | Tool registry + `tools/pre-execute`/`tools/post-execute` pipeline | `ctx.tools` | | `agent/` | Agent interface, registry, `agent/*` event vocabulary | `ctx.agents` | | `agent-loop/` | The concrete loop plugin: `ReactLoopAgent` + the loop driver | `ctx.agentLoop` | -| `agent-core/` | Bundle plugin: the providerless/executor-less/UI-less spine as code | (loads the spine) | +| `agent-core/` | Bundle plugin: the default executor-less/UI-less spine as code | (loads the spine) | `agent-loop` is the one concrete implementation of the `agent` seam and lives here because it is the harness's default product loop; everything else in `core/` is interface/vocabulary. Plugins depend on the `agent` vocabulary, never on `agent-loop` directly, so the loop stays swappable. -`agent-core` is the composition counterpart: one bundle plugin that loads the whole providerless spine (`timer` + `llm` + sessions + system-prompt + tools + agents + invariants + `tool-bash` + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. App packages (`ui/stdio-agent`, `ui/acp-agent`) consume it and add only a front door; a leaf adds the swappable backends plus any optional product tools it wants to expose. It lives in `core/` because it composes exclusively `core/` + interface packages and ships no provider, executor, or UI of its own. +`agent-core` is the composition counterpart: one bundle plugin that loads the control spine plus selected default capabilities (`timer` + `llm` + sessions + system-prompt + tools + agents + invariants + the local [skill family](../skill/README.md) + `tool-bash` + `agent-loop`) and forwards `agent-loop`'s `agents` list as its own config. App packages (`ui/stdio-agent`, `ui/acp-agent`) consume it and add only a front door; a leaf adds the swappable backends plus any optional product tools it wants to expose. It lives in `core/` because it composes the shared control spine while leaving executors, LLM adapters, alternate skill providers, and UI front doors outside the bundle. diff --git a/packages/core/agent-core/README.md b/packages/core/agent-core/README.md index 022ccba4f4..642b07b10d 100644 --- a/packages/core/agent-core/README.md +++ b/packages/core/agent-core/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-agent-core -The **providerless, executor-less, UI-less agent spine** as ONE Cordis bundle plugin. It loads the fixed set of services every harness agent needs and forwards the loop's `agents` list as its own config — so an app package composes a working agent by adding only a front door and the swappable backends. +The **default executor-less, UI-less agent spine** as ONE Cordis bundle plugin. It loads the fixed set of services every harness agent needs, including the local skill provider, and forwards the loop's `agents` list as its own config — so an app package composes a working agent by adding only a front door and the swappable backends. This is the package to read to see **the whole plugin tree at once** — the teaching role the inlined `echo-agent` `cordis.yml` used to play before the spine moved behind this bundle. @@ -14,10 +14,14 @@ This is the package to read to see **the whole plugin tree at once** — the tea @deepseek-ai/dsh-session event-sourced session log + store @deepseek-ai/dsh-system-prompt prompt-section + tool-schema assembly @deepseek-ai/dsh-tools tool registry + tools/pre-execute/post-execute +@deepseek-ai/dsh-skill skill provider registry +@deepseek-ai/dsh-skill-local local filesystem skill provider @deepseek-ai/dsh-agent agent registry + agent/* event vocabulary @deepseek-ai/dsh-invariants dev-mode event-contract assertions @deepseek-ai/dsh-tool-bash the model-facing bash/bash_output/bash_kill schemas +@deepseek-ai/dsh-tool-skill session-prefix skill catalog + model-facing loader schema @deepseek-ai/dsh-agent-loop THE concrete loop (gets the forwarded `agents`) + (dsh-system-prompt gets the forwarded `persona`) ``` ## What it deliberately leaves OUTSIDE the bundle @@ -26,6 +30,7 @@ The spine is everything COMMON to every front door. The swappable and front-door - **the LLM adapter** — the bundle ships the abstract `llm` service; the leaf registers a concrete adapter on `ctx.llm` (`llm-deepseek`, `llm-pi-ai`, `llm-replay`). - **the bash executor** — the bundle ships `tool-bash` (the consumer schema); the leaf provides `ctx.bash` (`bash-local` or a sandboxed impl). +- **non-local skill providers** — the bundle ships the skill registry, the local filesystem provider, and the `skill` tool; deployments can add other providers such as embedded or remote catalogs as siblings. - **presentation + per-app infra** — the stdio UI / ACP bridge, a console logger, `hmr`. These form the coupled "front-door cluster" that the app packages ([`dsh-stdio-agent`](../../ui/stdio-agent/README.md), [`dsh-acp-agent`](../../ui/acp-agent/README.md)) bake in. `timer` is in the spine (common to both, stdout-silent); a console logger is NOT (it writes to stdout, which the ACP bridge reserves for JSON-RPC). This is the [interface/implementation/consumer seam](../../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md) raised to the composition level: the bundle owns the shared spine, the leaf owns the backends, the app package owns the front door. @@ -34,10 +39,11 @@ This is the [interface/implementation/consumer seam](../../../docs/rfc/implement ```ts import type { Config } from '@deepseek-ai/dsh-agent-core' -// Config === AgentLoop.Config — the `agents` list, default []. +// { agents?, persona?, toolOrder?, tools?, skills? } — the schema intersects the owner schemas, +// so validation and defaulting can never drift from the owners. ``` -The bundle FORWARDS `agent-loop`'s `agents` list as its own (default `[]`), so each app supplies its own pre-created agents — a stdio app pre-creates a `main`; the ACP app pre-creates none (it creates agents on demand at `session/new`). Forwarding the list is exactly why the loop can live in the shared spine even though the apps disagree on which agents to pre-create. +The bundle FORWARDS each field to the child that owns it: `agents` to `agent-loop` (default `[]`), so each app supplies its own pre-created agents — a stdio app pre-creates a `main`; the ACP app pre-creates none (it creates agents on demand at `session/new`) — `persona` and `toolOrder` to `dsh-system-prompt`; `tools` to the tool registry for its presentation mode; and `skills.registry`, `skills.local`, and `skills.tool` to the skill registry, local provider, and model-facing consumer. Forwarding is exactly why the owners can live in the shared spine even though the apps disagree on what to configure. ## Why a code bundle, not a shared YAML include diff --git a/packages/core/agent-core/package.json b/packages/core/agent-core/package.json index a70ee30e71..039a6ac505 100644 --- a/packages/core/agent-core/package.json +++ b/packages/core/agent-core/package.json @@ -1,6 +1,6 @@ { "name": "@deepseek-ai/dsh-agent-core", - "description": "The providerless/executor-less/UI-less agent spine as one Cordis bundle plugin (timer + llm + sessions + system-prompt + tools + agents + invariants + tool-bash + agent-loop)", + "description": "The default executor-less/UI-less agent spine as one Cordis bundle plugin (timer + llm + sessions + system-prompt + tools + skills + agents + invariants + tool-bash + tool-skill + agent-loop)", "version": "0.0.1", "private": true, "type": "module", @@ -28,8 +28,11 @@ "@deepseek-ai/dsh-invariants": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-skill": "^0.0.1", + "@deepseek-ai/dsh-skill-local": "^0.0.1", "@deepseek-ai/dsh-system-prompt": "^0.0.1", "@deepseek-ai/dsh-tool-bash": "^0.0.1", + "@deepseek-ai/dsh-tool-skill": "^0.0.1", "@deepseek-ai/dsh-tools": "^0.0.1", "cordis": "^4.0.0-rc.6" }, @@ -40,9 +43,15 @@ "@deepseek-ai/dsh-invariants": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-skill": "workspace:^", + "@deepseek-ai/dsh-skill-local": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tool-bash": "workspace:^", + "@deepseek-ai/dsh-tool-skill": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" } } diff --git a/packages/core/agent-core/src/index.ts b/packages/core/agent-core/src/index.ts index ad3f5d8c46..d12ef3bad5 100644 --- a/packages/core/agent-core/src/index.ts +++ b/packages/core/agent-core/src/index.ts @@ -1,10 +1,10 @@ /** - * The providerless, executor-less, UI-less agent spine as ONE bundle plugin. + * The default executor-less, UI-less agent spine as ONE bundle plugin. * * Loads the fixed set of services every harness agent needs — `timer`, the LLM * service, the session store, system-prompt assembly, the tool registry, the - * agent registry, the dev-mode invariants, the model-facing `bash` tool - * schemas, and the concrete `agent-loop` — and forwards the loop's `agents` + * skill registry plus local skill provider, the agent registry, the dev-mode + * invariants, the model-facing `bash` and `skill` tool schemas, and the concrete `agent-loop` — and forwards the loop's `agents` * list as its OWN config (default `[]`), so each app supplies its own * pre-created agents. * @@ -19,6 +19,9 @@ * (a console logger, `hmr`) — these are the coupled "front-door cluster" the * app packages ({@link @deepseek-ai/dsh-stdio-agent}, * {@link @deepseek-ai/dsh-acp-agent}) bake in, NOT the shared spine. + * - additional SKILL PROVIDERS; the bundle ships the local filesystem provider + * because local skills are default agent behavior, while embedded or remote + * providers remain deployment choices. * * This is the interface/implementation/consumer seam at the composition level: * the bundle owns the shared spine, the leaf owns the backends, the app package @@ -44,45 +47,99 @@ import type { Context } from 'cordis' import Timer from '@cordisjs/plugin-timer' +import z from 'schemastery' import LlmService from '@deepseek-ai/dsh-llm' import SessionStore from '@deepseek-ai/dsh-session' -import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry from '@deepseek-ai/dsh-tools' +import SystemPrompt, { type Config as SystemPromptConfig } from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry, { type Config as ToolsConfig } from '@deepseek-ai/dsh-tools' +import SkillService, { type Config as SkillRegistryConfig } from '@deepseek-ai/dsh-skill' +import * as SkillLocal from '@deepseek-ai/dsh-skill-local' import AgentRegistry from '@deepseek-ai/dsh-agent' import * as invariants from '@deepseek-ai/dsh-invariants' import * as toolBash from '@deepseek-ai/dsh-tool-bash' +import * as toolSkill from '@deepseek-ai/dsh-tool-skill' import AgentLoop, { type Config as AgentLoopConfig } from '@deepseek-ai/dsh-agent-loop' export const name = 'agent-core' -/** - * Bundle config: the agent-loop `agents` list, forwarded verbatim. Default `[]` - * — an app that pre-creates no agents (the ACP bridge creates them on demand at - * `session/new`) simply omits it; an app that needs a pre-created `main` (the - * stdio chat) supplies one. This IS {@link AgentLoopConfig}, so the schema and - * the forwarded shape can never drift. - */ -export type Config = AgentLoopConfig +/** Skill bundle config forwarded to the registry, local provider, and model-facing consumer. */ +export interface SkillConfig { + /** Registry-level discovery cache settings. */ + registry?: SkillRegistryConfig + /** Local filesystem skill provider settings. */ + local?: SkillLocal.Config + /** Model-facing skill catalog and tool settings. */ + tool?: toolSkill.Config +} -/** Forward the loop's own schema so validation + defaulting stay identical. */ -export const Config = AgentLoop.Config +/** + * Bundle config: each field forwarded verbatim to the child that owns it — + * `agents` to the agent loop (an app that pre-creates no agents, like the ACP + * bridge, simply omits it), `persona` and `toolOrder` to the system-prompt + * plugin (the deployment's persona section and the explicit model-facing tool + * order), the `tools` object to the tool registry (its presentation `mode`), + * and `skills` to the skill registry/local provider/tool consumer. Every field + * is optional INPUT here because each owner's schema supplies the default; + * the schema is the INTERSECTION of the owners' own schemas (with registry + * schemas nested under their bundle keys), so validation and defaulting can + * never drift from them. + */ +export interface Config { + /** The agent-loop `agents` list (see dsh-agent-loop's `Config`). */ + agents?: AgentLoopConfig['agents'] + /** The deployment persona (see dsh-system-prompt's `Config`). */ + persona?: SystemPromptConfig['persona'] + /** The explicit model-facing tool order (see dsh-system-prompt's `Config`). */ + toolOrder?: SystemPromptConfig['toolOrder'] + /** The tool registry's config — its presentation `mode` (see dsh-tools' `Config`). */ + tools?: ToolsConfig + /** Skill registry, local provider, and model-facing consumer config. */ + skills?: SkillConfig +} + +/** The skill config schema exported for app packages that forward `skills`. */ +export const SkillConfigSchema: z<SkillConfig> = z.object({ + registry: SkillService.Config, + local: SkillLocal.Config, + tool: toolSkill.Config, +}) + +/** Intersect the owners' schemas so validation + defaulting stay identical. */ +export const Config = z.intersect([ + AgentLoop.Config, + SystemPrompt.Config, + z.object({ tools: ToolRegistry.Config, skills: SkillConfigSchema }), +]) as unknown as z<Config> /** * Load the spine. Each `ctx.plugin(...)` mounts one child of the bundle fiber; - * `agent-loop` receives the forwarded `agents` list. Load order is irrelevant - * (cordis pends each fiber on its `inject` until the services it needs exist), - * but the listing mirrors the dependency layering for readability: the LLM - * vocabulary and core registries first, then the dev tripwire and the bash tool - * consumer, then the loop that drives them. + * `agent-loop` receives the forwarded `agents` list and `system-prompt` the + * forwarded `persona` and `toolOrder`. Load order is irrelevant (cordis pends + * each fiber on its `inject` until the services it needs exist), but the + * listing mirrors the dependency layering for readability: the LLM vocabulary + * and core registries first, then the dev tripwire and the bash tool consumer, + * then the loop that drives them. */ export function apply(ctx: Context, config: Config): void { ctx.plugin(Timer) ctx.plugin(LlmService) ctx.plugin(SessionStore) - ctx.plugin(SystemPrompt) - ctx.plugin(ToolRegistry) + // The forwarded fields are validated + defaulted by this bundle's intersected + // schema before apply runs, so the ?? fallbacks only narrow the + // optional-input TYPES — they mirror the owners' schema defaults, never + // introduce different ones. toolOrder has no owner-supplied default value — + // ABSENT means "lexicographic order" — so it is forwarded conditionally + // rather than via ??. + ctx.plugin(SystemPrompt, { + persona: config.persona ?? '', + ...config.toolOrder !== undefined ? { toolOrder: config.toolOrder } : {}, + }) + ctx.plugin(ToolRegistry, config.tools ?? {}) + ctx.plugin(SkillService, config.skills?.registry ?? {}) + ctx.plugin(SkillLocal, config.skills?.local ?? {}) ctx.plugin(AgentRegistry) ctx.plugin(invariants) ctx.plugin(toolBash) - ctx.plugin(AgentLoop, { agents: config.agents }) + ctx.plugin(toolSkill, config.skills?.tool ?? {}) + ctx.plugin(AgentLoop, { agents: config.agents ?? [] }) } diff --git a/packages/core/agent-core/tests/agent-core.spec.ts b/packages/core/agent-core/tests/agent-core.spec.ts index 67f5d88532..fb1bc7e1bd 100644 --- a/packages/core/agent-core/tests/agent-core.spec.ts +++ b/packages/core/agent-core/tests/agent-core.spec.ts @@ -1,12 +1,25 @@ import { describe, expect, it } from 'vitest' +import { mkdir, mkdtemp, writeFile } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' +import { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt' import * as agentCore from '../src/index.ts' import { AgentId } from '@deepseek-ai/dsh-agent' +import type { Message } from '@deepseek-ai/dsh-llm' + +async function composePrefix(ctx: Context, cwd: string): Promise<Message[]> { + const empty: Message[] = [] + return await ctx.waterfall( + 'agent/session-prefix', { session: { header: { cwd } } } as never, + empty, new AbortController().signal, () => Promise.resolve(empty), + ) +} /** * Unit coverage for the @deepseek-ai/dsh-agent-core bundle: mounting it brings - * up the whole providerless spine in one `ctx.plugin`, and the forwarded + * up the whole default spine in one `ctx.plugin`, and the forwarded * `agents` config reaches the loop (default `[]`, or a pre-created agent). * * The bundle is exercised through `ctx.plugin(agentCore, …)` — the NAMESPACE @@ -15,16 +28,54 @@ import { AgentId } from '@deepseek-ai/dsh-agent' * bin smokes; here we assert the composition + config forwarding. */ async function mount(config?: agentCore.Config): Promise<Context> { + const oldDshHome = process.env.DSH_HOME + const oldAgentsHome = process.env.DSH_AGENTS_HOME + process.env.DSH_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-home-')) + process.env.DSH_AGENTS_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-agents-')) const ctx = new Context() - await ctx.plugin(agentCore, config) - // The bundle mounts its children inside apply() (not awaited there); let their - // fibers settle so the spine services and any pre-created agent are ready. - await new Promise(resolve => setTimeout(resolve, 50)) - return ctx + try { + await ctx.plugin(agentCore, config) + // The bundle mounts its children inside apply() (not awaited there); let their + // fibers settle so the spine services and any pre-created agent are ready. + await new Promise(resolve => setTimeout(resolve, 50)) + return ctx + } finally { + if (oldDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = oldDshHome + } + if (oldAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = oldAgentsHome + } + } +} + +async function withIsolatedSkillHomes<T>(run: () => Promise<T>): Promise<T> { + const oldDshHome = process.env.DSH_HOME + const oldAgentsHome = process.env.DSH_AGENTS_HOME + process.env.DSH_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-home-')) + process.env.DSH_AGENTS_HOME = await mkdtemp(join(tmpdir(), 'dsh-agent-core-agents-')) + try { + return await run() + } finally { + if (oldDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = oldDshHome + } + if (oldAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = oldAgentsHome + } + } } describe('dsh-agent-core bundle', () => { - it('brings up the full providerless spine', async () => { + it('brings up the full default spine', async () => { const ctx = await mount() // One service from each layer of the spine proves the children loaded. expect(ctx.get('timer')).toBeDefined() @@ -32,22 +83,100 @@ describe('dsh-agent-core bundle', () => { expect(ctx.get('sessions')).toBeDefined() expect(ctx.get('systemPrompt')).toBeDefined() expect(ctx.get('tools')).toBeDefined() + expect(ctx.get('skills')).toBeDefined() expect(ctx.get('agents')).toBeDefined() expect(ctx.get('agentLoop')).toBeDefined() await ctx.fiber.dispose() }) + it('includes the skill registry, local provider, and skill tool without builtin skills', async () => { + const ctx = await mount() + + expect(ctx.skills).toBeDefined() + expect(ctx.tools.schemas().map(tool => tool.name)).toContain('skill') + expect(await ctx.skills.list()).toEqual([]) + + await ctx.fiber.dispose() + }) + it('defaults the agents list to empty (no pre-created agents)', async () => { const ctx = await mount() expect(ctx.get('agents')?.get(AgentId('main'))).toBeUndefined() await ctx.fiber.dispose() }) - it('forwards a pre-created agent to the loop', async () => { + it('forwards a pre-created agent to the loop and the persona to system-prompt', async () => { const ctx = await mount({ - agents: [{ id: AgentId('main'), model: 'mock', systemPrompt: 'hi' }], + agents: [{ id: AgentId('main'), model: 'mock' }], + persona: 'You are main.', }) expect(ctx.get('agents')?.get(AgentId('main'))).toBeDefined() + const assembly = await ctx.get('systemPrompt')!.assemble() + expect(assembly.sections.find(s => s.name === 'deployment:persona')?.text).toBe('You are main.') + await ctx.fiber.dispose() + }) + + it('tolerates a schema-bypassing direct apply (the ?? fallbacks fire)', async () => { + // ctx.plugin validates + defaults the bundle config first; a direct apply + // skips the schema, so the forwarding `?? []` / `?? ''` are what fire. + const ctx = new Context() + agentCore.apply(ctx, {}) + await new Promise(resolve => setTimeout(resolve, 50)) + expect(ctx.get('agentLoop')).toBeDefined() + expect(ctx.get('agents')?.list()).toHaveLength(0) + const assembly = await ctx.get('systemPrompt')!.assemble() + expect(assembly.sections.find(s => s.name === 'deployment:persona')?.text).toBe('') + await ctx.fiber.dispose() + }) + + it('forwards skill config to the registry, local provider, and model-facing consumer', async () => { + const home = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-home-')) + const agentsHome = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-agents-')) + const custom = await mkdtemp(join(tmpdir(), 'dsh-agent-core-skill-custom-')) + await mkdir(custom, { recursive: true }) + await writeFile(join(custom, 'custom-skill.md'), '---\nname: custom-skill\ndescription: Custom skill\n---\n\nCustom body.\n') + const ctx = await mount({ + agents: [], + skills: { + registry: { collectCacheMaxEntries: 4 }, + local: { + dshHome: join(home, '.dsh'), + agentsHome: join(agentsHome, '.agents'), + customSkillDirs: [custom], + }, + tool: { catalogDescriptionMaxLength: 6 }, + }, + }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['custom-skill']) + expect(JSON.stringify(await composePrefix(ctx, '/tmp'))).toContain('- `custom-skill`: Cus...') + await ctx.fiber.dispose() + }) + + it('uses the default skill config when apply is called directly without skills', async () => { + await withIsolatedSkillHomes(async () => { + const ctx = new Context() + agentCore.apply(ctx, { agents: [] }) + await new Promise(resolve => setTimeout(resolve, 50)) + expect(ctx.skills).toBeDefined() + expect(await ctx.skills.list()).toEqual([]) + await ctx.fiber.dispose() + }) + }) + + it('forwards toolOrder to the system-prompt assembly', async () => { + const ctx = await mount({ toolOrder: ['zulu', TOOL_ORDER_REST] }) + // The bundle's own bash tools pend on the absent `ctx.bash` executor in + // this providerless mount, so register two plain tools to order. + for (const name of ['alpha', 'zulu']) { + ctx.get('tools')!.register({ + name, + description: name, + parameters: {}, + execute: async () => [], + }) + } + const assembly = await ctx.get('systemPrompt')!.assemble() + expect(assembly.tools.map(tool => tool.name)).toEqual(['zulu', 'alpha', 'skill']) await ctx.fiber.dispose() }) diff --git a/packages/core/agent-core/tests/gen-config-catalog.spec.ts b/packages/core/agent-core/tests/gen-config-catalog.spec.ts new file mode 100644 index 0000000000..1d0e533ed7 --- /dev/null +++ b/packages/core/agent-core/tests/gen-config-catalog.spec.ts @@ -0,0 +1,458 @@ +/** + * Negative-path tests for the config catalog generator (`scripts/gen-config-catalog.ts`). + * + * The generated catalog is frozen by a regenerate-and-diff freshness gate, so + * the freshness half is exercised by `pnpm run verify-config-catalog` in CI. + * What a freshness diff CANNOT prove is that the generator REJECTS malformed + * source the way it promises to — an unclassifiable package, an undocumented + * config field, a schema key the config type does not declare, or a referenced + * type name that resolves nowhere. These tests drive `collectConfigCatalog()` + * against synthetic fixture packages to prove each guard fires (and that + * well-formed packages classify and extract correctly), mirroring the + * negative tests for gen-cordis-catalog. The spec lives in this package + * because agent-core is the config-composition plugin (its schema is the + * intersection of its children's), the shape the generator's cross-package + * folding exists for. + */ + +import { mkdtempSync, mkdirSync, rmSync, writeFileSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { collectConfigCatalog, render } from '../../../../scripts/gen-config-catalog.ts' + +/** Write one fixture package (package.json + src files) under a scan root. */ +function writePkg(root: string, dir: string, name: string, files: Record<string, string>): void { + const pkgDir = join(root, 'packages', dir) + mkdirSync(join(pkgDir, 'src'), { recursive: true }) + writeFileSync(join(pkgDir, 'package.json'), JSON.stringify({ name })) + for (const [rel, text] of Object.entries(files)) writeFileSync(join(pkgDir, rel), text) +} + +const roots: string[] = [] +const makeRoot = (): string => { + const root = mkdtempSync(join(tmpdir(), 'config-catalog-')) + roots.push(root) + return root +} +/** One-package fixture: the common case. */ +const make = (files: Record<string, string>, name = '@fix/one'): string => { + const root = makeRoot() + writePkg(root, 'group/one', name, files) + return root +} + +afterEach(() => { + while (roots.length) rmSync(roots.pop()!, { recursive: true, force: true }) +}) + +const DOCUMENTED_CONFIG = `/** Fixture config. */ +export interface Config { + /** A knob. */ + knob?: string +} +` + +describe('gen-config-catalog classification', () => { + it('classifies an apply plugin with a config parameter and extracts the paste', () => { + const entries = collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +export const inject = ['tools'] +${DOCUMENTED_CONFIG} +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + })) + expect(entries).toHaveLength(1) + expect(entries[0]).toMatchObject({ pkg: '@fix/one', kind: 'config', configTypeName: 'Config', inject: ['tools'] }) + expect(entries[0]?.pastes?.[0]?.text).toContain('/** A knob. */') + }) + + it('classifies a default service class, reading its constructor and static inject', () => { + const entries = collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +${DOCUMENTED_CONFIG} +/** Fixture service. */ +export default class Fix { + static inject = ['llm'] + static Config = z.object({ knob: z.string() }) as unknown as z<Config> + constructor(ctx: Context, config: Config) {} +} +`, + })) + expect(entries[0]).toMatchObject({ kind: 'config', className: 'Fix', inject: ['llm'], schemaKeys: ['knob'] }) + }) + + it('classifies an abstract default class as a seam', () => { + const entries = collectConfigCatalog(make({ + 'src/index.ts': 'export default abstract class FixSeam { abstract run(): void }\n', + })) + expect(entries[0]).toMatchObject({ kind: 'seam', className: 'FixSeam' }) + }) + + it('classifies a plugin whose apply takes no config as no-config', () => { + const entries = collectConfigCatalog(make({ + 'src/index.ts': 'import type { Context } from \'cordis\'\n/** Load. */\nexport function apply(ctx: Context): void {}\n', + })) + expect(entries[0]?.kind).toBe('no-config') + }) + + it('classifies a module with neither default export nor apply as a library', () => { + const entries = collectConfigCatalog(make({ + 'src/index.ts': 'export const helper = 1\n', + })) + expect(entries[0]?.kind).toBe('library') + }) + + it('hard-errors on a package with no entry file', () => { + const root = makeRoot() + mkdirSync(join(root, 'packages', 'group', 'one'), { recursive: true }) + writeFileSync(join(root, 'packages', 'group', 'one', 'package.json'), JSON.stringify({ name: '@fix/one' })) + expect(() => collectConfigCatalog(root)).toThrow(/entry .* is missing or unreadable/) + }) + + it('hard-errors on a package.json without a name', () => { + const root = makeRoot() + mkdirSync(join(root, 'packages', 'group', 'one', 'src'), { recursive: true }) + writeFileSync(join(root, 'packages', 'group', 'one', 'package.json'), '{}') + expect(() => collectConfigCatalog(root)).toThrow(/has no "name"/) + }) +}) + +describe('gen-config-catalog config extraction guards', () => { + it('hard-errors on a config field with no JSDoc prose', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +export interface Config { + knob?: string +} +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }))).toThrow(/config field 'Config\.knob' .* has no JSDoc prose/) + }) + + it('hard-errors on an undocumented field nested in a type literal', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +/** Fixture config. */ +export interface Config { + /** Entries. */ + entries: { + id: string + }[] +} +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }))).toThrow(/config field 'Config\.entries\.id' .* has no JSDoc prose/) + }) + + it('pastes a package-local type transitively and records external refs', () => { + const entries = collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import type { Mode } from './types.ts' +import type { Remote } from '@fix/dep' +/** Fixture config. */ +export interface Config { + /** The mode. */ + mode?: Mode + /** The remote. */ + remote?: Remote +} +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + 'src/types.ts': '/** Fixture mode. */\nexport type Mode = \'a\' | \'b\'\n', + })) + expect(entries[0]?.pastes?.map(p => p.source)).toEqual([ + 'packages/group/one/src/index.ts:5', + 'packages/group/one/src/types.ts:2', + ]) + expect(entries[0]?.refs).toEqual([{ alias: 'Remote', imported: 'Remote', specifier: '@fix/dep' }]) + }) + + it('hard-errors on a referenced type name that resolves nowhere', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +/** Fixture config. */ +export interface Config { + /** The ghost. */ + ghost?: Ghost +} +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }))).toThrow(/references 'Ghost' .* neither declared in the package, imported, nor a known global/) + }) + + it('hard-errors on a config type imported from another package', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import type { Config } from '@fix/dep' +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }))).toThrow(/config type 'Config' is imported from '@fix\/dep'/) + }) + + it('hard-errors when one name resolves to two different declarations across the closure', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import type { A } from './a.ts' +import type { B } from './b.ts' +/** Fixture config. */ +export interface Config { + /** A. */ + a?: A + /** B. */ + b?: B +} +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + 'src/a.ts': '/** First Option. */\nexport interface Option {\n /** X. */\n x?: string\n}\n/** A. */\nexport interface A {\n /** O. */\n o?: Option\n}\n', + 'src/b.ts': '/** Second Option. */\nexport interface Option {\n /** Y. */\n y?: string\n}\n/** B. */\nexport interface B {\n /** O. */\n o?: Option\n}\n', + }))).toThrow(/type name 'Option' resolves to two different declarations/) + }) +}) + +describe('gen-config-catalog schema cross-check', () => { + it('accepts a chained schema whose keys all appear on the config type', () => { + const entries = collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +${DOCUMENTED_CONFIG} +export const Config: z<Config> = z.object({ knob: z.string() }).default({}) +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + })) + expect(entries[0]?.schemaKeys).toEqual(['knob']) + }) + + it('hard-errors on a schema key the config type does not declare', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +${DOCUMENTED_CONFIG} +export const Config: z<Config> = z.object({ knob: z.string(), hidden: z.number() }) +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }))).toThrow(/schema validates key 'hidden' but config type 'Config' declares no such member/) + }) + + it('hard-errors on a NESTED schema key the config type does not declare', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +/** Fixture config. */ +export interface Config { + /** Entries. */ + entries: { + /** Id. */ + id: string + }[] +} +export const Config: z<Config> = z.object({ entries: z.array(z.object({ id: z.string(), ghost: z.string() })) }) +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }))).toThrow(/schema validates key 'entries\[\]\.ghost'/) + }) + + it('resolves nested keys through a workspace-imported intersection part (re-export chains included)', () => { + const root = makeRoot() + writePkg(root, 'group/dep', '@fix/dep', { + 'src/index.ts': 'export * from \'./types.ts\'\n', + 'src/types.ts': '/** Shared options. */\nexport interface Opts {\n /** Model. */\n model?: string\n}\n', + }) + writePkg(root, 'group/one', '@fix/one', { + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +import type { Opts } from '@fix/dep' +/** Fixture config. */ +export interface Config { + /** Entries. */ + entries: (Opts & { + /** Id. */ + id: string + })[] +} +export const Config: z<Config> = z.object({ entries: z.array(z.object({ id: z.string(), model: z.string() })) }) +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }) + expect(() => collectConfigCatalog(root)).not.toThrow() + }) + + it('resolves nested keys through a Partial<> wrapper', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +/** Caps. */ +export interface Caps { + /** X. */ + x?: boolean +} +/** Fixture config. */ +export interface Config { + /** Capabilities. */ + capabilities?: Partial<Caps> +} +export const Config: z<Config> = z.object({ capabilities: z.object({ x: z.boolean() }) }) +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }))).not.toThrow() + }) + + it('leaves a nested key under an external (unresolvable) type unreported', () => { + expect(() => collectConfigCatalog(make({ + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +import type { External } from 'some-external-pkg' +/** Fixture config. */ +export interface Config { + /** Options. */ + options?: External +} +export const Config: z<Config> = z.object({ options: z.object({ whatever: z.string() }) }) +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }))).not.toThrow() + }) + + it('folds an intersected workspace schema into the subset check', () => { + const root = makeRoot() + writePkg(root, 'group/leaf', '@fix/leaf', { + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +/** Leaf config. */ +export interface Config { + /** Leaf knob. */ + leaf?: string +} +/** Leaf service. */ +export default class Leaf { + static Config = z.object({ leaf: z.string() }) as unknown as z<Config> + constructor(ctx: Context, config: Config) {} +} +`, + }) + writePkg(root, 'group/bundle', '@fix/bundle', { + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +import Leaf from '@fix/leaf' +/** Bundle config. */ +export interface Config { + /** Forwarded leaf knob. */ + leaf?: string +} +export const Config = z.intersect([Leaf.Config]) as unknown as z<Config> +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }) + const entries = collectConfigCatalog(root) + expect(entries.find(e => e.pkg === '@fix/bundle')?.schemaComposes).toEqual(['@fix/leaf']) + }) + + it('resolves composed nested keys through an indexed-access forwarder', () => { + const root = makeRoot() + writePkg(root, 'group/leaf', '@fix/leaf', { + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +/** Leaf config. */ +export interface Config { + /** Agents. */ + agents: { + /** Id. */ + id: string + }[] +} +/** Leaf service. */ +export default class Leaf { + static Config = z.object({ agents: z.array(z.object({ id: z.string() })) }) as unknown as z<Config> + constructor(ctx: Context, config: Config) {} +} +`, + }) + writePkg(root, 'group/bundle', '@fix/bundle', { + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +import Leaf, { type Config as LeafConfig } from '@fix/leaf' +/** Bundle config forwarding the leaf's agents list. */ +export interface Config { + /** Forwarded agents list. */ + agents?: LeafConfig['agents'] +} +export const Config = z.intersect([Leaf.Config]) as unknown as z<Config> +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }) + expect(() => collectConfigCatalog(root)).not.toThrow() + }) + + it('hard-errors when an intersected schema key is missing from the bundle config type', () => { + const root = makeRoot() + writePkg(root, 'group/leaf', '@fix/leaf', { + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +/** Leaf config. */ +export interface Config { + /** Leaf knob. */ + leaf?: string +} +/** Leaf service. */ +export default class Leaf { + static Config = z.object({ leaf: z.string() }) as unknown as z<Config> + constructor(ctx: Context, config: Config) {} +} +`, + }) + writePkg(root, 'group/bundle', '@fix/bundle', { + 'src/index.ts': `import type { Context } from 'cordis' +import z from 'schemastery' +import Leaf from '@fix/leaf' +/** Bundle config that forgot to declare the forwarded field. */ +export interface Config { + /** Unrelated. */ + other?: string +} +export const Config = z.intersect([Leaf.Config]) as unknown as z<Config> +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }) + expect(() => collectConfigCatalog(root)).toThrow(/schema validates key 'leaf' but config type 'Config' declares no such member/) + }) +}) + +describe('gen-config-catalog render', () => { + it('renders sections, fences, and the terse classification lists', () => { + const root = makeRoot() + writePkg(root, 'group/one', '@fix/one', { + 'src/index.ts': `import type { Context } from 'cordis' +${DOCUMENTED_CONFIG} +/** Load. */ +export function apply(ctx: Context, config: Config): void {} +`, + }) + writePkg(root, 'group/lib', '@fix/lib', { 'src/index.ts': 'export const helper = 1\n' }) + writePkg(root, 'group/seam', '@fix/seam', { + 'src/index.ts': 'export default abstract class Seam { abstract run(): void }\n', + }) + const page = render(collectConfigCatalog(root)) + expect(page).toContain('## `@fix/one`') + expect(page).toContain('```ts config-catalog') + expect(page).toContain('/** A knob. */') + expect(page).toContain('- `@fix/lib` ([`packages/group/lib/src/index.ts`](../packages/group/lib/src/index.ts))') + expect(page).toContain('- `@fix/seam` — abstract `Seam`') + }) +}) diff --git a/packages/core/agent-core/tsconfig.json b/packages/core/agent-core/tsconfig.json index 83bf06c586..4fd0a81e97 100644 --- a/packages/core/agent-core/tsconfig.json +++ b/packages/core/agent-core/tsconfig.json @@ -11,9 +11,15 @@ { "path": "../../../vendor/cordis" }, + { + "path": "../../../vendor/schemastery" + }, { "path": "../../../vendor/timer" }, + { + "path": "../../../vendor/schemastery" + }, { "path": "../../llm/llm" }, @@ -26,6 +32,15 @@ { "path": "../../core/tools" }, + { + "path": "../../skill/skill" + }, + { + "path": "../../skill/skill-local" + }, + { + "path": "../../skill/tool-skill" + }, { "path": "../../core/agent" }, diff --git a/packages/core/agent-loop/README.md b/packages/core/agent-loop/README.md index 60b8a5d779..6137737457 100644 --- a/packages/core/agent-loop/README.md +++ b/packages/core/agent-loop/README.md @@ -8,7 +8,7 @@ This is the only package in the harness that contains concrete loop logic. Every ### Public API -- `ctx.agentLoop.create(id: string, options?: AgentOptions): ReactLoopAgent` — config-driven create: an agent on a fresh per-run session id `${id}-session-<uuid>` (no cwd). Used for `cordis.yml`-configured agents. The per-run uuid avoids colliding with the on-disk log a prior run materialized once a durable persistence backend is loaded; each run is a new session (a deliberate demo simplification — a real resume-or-create policy is a TODO). Disposed with the calling fiber. +- `ctx.agentLoop.create(id: string, options?: AgentOptions, meta?: { cwd?: string }): ReactLoopAgent` — config-driven create: an agent on a fresh per-run session id `${id}-session-<uuid>` with optional session metadata. Used for `cordis.yml`-configured agents. The per-run uuid avoids colliding with the on-disk log a prior run materialized once a durable persistence backend is loaded; each run is a new session (a deliberate demo simplification — a real resume-or-create policy is a TODO). Disposed with the calling fiber. `AgentLoop` also implements the `AgentFactory` seam and registers itself via `ctx.agents.setFactory(this)`, so plugins create/resume agents through `ctx.agents` (the interface): @@ -28,12 +28,12 @@ interface Config { agents: Array<{ id: string // required model?: string - systemPrompt?: string + cwd?: string // optional workspace cwd for the fresh session }> } ``` -Agents listed in config are auto-created at startup. +Agents listed in config are auto-created at startup. `cwd` applies only to fresh config-created sessions; `resumeSessionId` keeps the persisted session header. There is no per-agent persona: the deployment persona is `dsh-system-prompt`'s own `persona` config, shared by every agent in the context. The plugin registers the built-in `model`/`cwd` prompt variables on `ctx.systemPrompt`, resolved per step from the `assemble({ agent })` context — runtime facts of the agents THIS loop drives, unlike the `harness:identity`/`deployment:persona` sections, which live on `dsh-system-prompt` so they survive a swapped loop plugin. ### Classes @@ -55,11 +55,16 @@ forever: if every prompt blocked: 'turn/end'(rejected), no step ⟵ zero-step turn STEP loop: drain steering - assembly = systemPrompt.assemble() - await serial agent/pre-step ⟵ surface mutation (compaction) outside the step - session('step/start') - request = waterfall agent/request - stream llm.stream(request) → session('assistant/chunk') + assembly = systemPrompt.assemble({agent}) ⟵ renderPrompt(assembly) IS the full prompt + prefix ??= waterfall agent/session-prefix ⟵ once per instance (first step): frozen + session prefix; on the header, never history + await serial agent/pre-step(…, prefix) ⟵ surface mutation (compaction) outside the step; + pressure gates see the prefix the request carries + boundary = session.deriveMessages() ⟵ reconstruction boundary: same sync frame, + session('step/start') strictly before step/start + config = waterfall agent/request ⟵ frozen seed; return a replacement to switch + session('request/header'[-delta]) ⟵ the header event this request owes the log + stream llm.stream(freeze({header..., messages: prefix+boundary})) → session('assistant/chunk') message = waterfall agent/step-result session('assistant/message') each tool-call: session('tool/call') @@ -83,7 +88,7 @@ Cancellation: `agent.cancel()` is the single public stop primitive — it clears ### What is NOT here Everything that goes beyond "call the model, run the tools, repeat" belongs to plugins listening on the event taxonomy: -- Hooks: `agent/session-start`, `agent/prompt-submit`, `agent/pre-step`, `agent/request`, `agent/step-result`, `tools/pre-execute`, `tools/post-execute`, `agent/turn-continuation` +- Hooks: `agent/session-start`, `agent/prompt-submit`, `agent/pre-step`, `agent/request`, `agent/session-prefix`, `agent/step-result`, `tools/pre-execute`, `tools/post-execute`, `agent/turn-continuation` - Compaction: `agent/pre-step` - Sandbox, permission, plan mode: `tools/pre-execute` (deny/ask gate), `tools/post-execute` - Sub-agents: implemented outside the loop as `ctx.subagents` providers; in-process providers use `ctx.agents.create()` and owned `AgentHandle` teardown, while child streaming/progress and background/poll collection remain deferred. diff --git a/packages/core/agent-loop/src/agent.ts b/packages/core/agent-loop/src/agent.ts index 433c28326b..49de0f77c4 100644 --- a/packages/core/agent-loop/src/agent.ts +++ b/packages/core/agent-loop/src/agent.ts @@ -22,6 +22,10 @@ import { isTurnOpen, lastTurnNumber, runLoop } from './loop.ts' * the agent/* event taxonomy — plugins never need this class. */ export class ReactLoopAgent implements Agent { + /** + * The queued + steering FIFOs behind {@link send}/{@link steer}. Public so + * the driver loop can drain it; {@link cancel} clears it wholesale. + */ readonly inbox = new Inbox() private _status: AgentStatus = 'idle' @@ -256,6 +260,8 @@ export class ReactLoopAgent implements Agent { * promise (unblocking the idle wait), releases any `whenIdle` waiters, and * aborts the current request if any. The returned `agent.done` promise * resolves once the loop exits. + * @returns the disposer — idempotent and infallible (it runs inside the + * fiber's LIFO disposal chain, where a throw would skip later disposers). */ start(): () => void { this.done = runLoop(this.ctx, this, { diff --git a/packages/core/agent-loop/src/inbox.ts b/packages/core/agent-loop/src/inbox.ts index a7b2e64e2c..abb588b919 100644 --- a/packages/core/agent-loop/src/inbox.ts +++ b/packages/core/agent-loop/src/inbox.ts @@ -24,30 +24,47 @@ export class Inbox { private steeringMessages: InboxMessage[] = [] private wakeup: (() => void) | undefined - /** Resolves when a queued message arrives (used by the idle loop). */ + /** True while queued messages are pending — read by the idle wait's fast path and the loop's turn-start checks. */ get hasQueued(): boolean { return this.queuedMessages.length > 0 } + /** True while steering messages are pending — read by `cancel()`'s arm gate and the loop's stop-override check. */ get hasSteering(): boolean { return this.steeringMessages.length > 0 } + /** + * Add a message to the queued FIFO and wake a parked {@link waitForQueued}. + * @param message - the message to queue for the next turn start. + */ enqueue(message: InboxMessage): void { this.queuedMessages.push(message) this.wakeup?.() } + /** + * Add a message to the steering FIFO. Deliberately no wakeup: steering is + * drained between steps of a running turn, never by the idle wait — + * `Agent.steer()` on an idle agent falls back to `send()` instead. + * @param message - the message to inject between steps of the running turn. + */ steer(message: InboxMessage): void { this.steeringMessages.push(message) } - /** Drain all queued messages (turn start). */ + /** + * Drain all queued messages (turn start). + * @returns the drained messages in arrival order; the queued FIFO is left empty. + */ drainQueued(): InboxMessage[] { return this.queuedMessages.splice(0) } - /** Drain all steering messages (between steps). */ + /** + * Drain all steering messages (between steps). + * @returns the drained messages in arrival order; the steering FIFO is left empty. + */ drainSteering(): InboxMessage[] { return this.steeringMessages.splice(0) } @@ -62,7 +79,12 @@ export class Inbox { this.steeringMessages.length = 0 } - /** Wait until a queued message arrives or `cancel` resolves. */ + /** + * Wait until a queued message arrives or `cancel` resolves. + * @param cancel - a promise whose resolution abandons the wait without a + * message (the driver loop passes the agent's disposed promise so a parked + * loop can exit). + */ waitForQueued(cancel: Promise<void>): Promise<void> { if (this.hasQueued) return Promise.resolve() const { promise, resolve } = Promise.withResolvers<void>() diff --git a/packages/core/agent-loop/src/index.ts b/packages/core/agent-loop/src/index.ts index 33672dc9b4..4af0d464ec 100644 --- a/packages/core/agent-loop/src/index.ts +++ b/packages/core/agent-loop/src/index.ts @@ -12,7 +12,7 @@ import { randomUUID } from 'node:crypto' import z from 'schemastery' import type { AgentFactory, AgentHandle, AgentId, AgentOptions, CreateAgentOptions, ResumeAgentOptions, SessionStartSource } from '@deepseek-ai/dsh-agent' import type {} from '@deepseek-ai/dsh-llm' -import { SessionId } from '@deepseek-ai/dsh-session' +import { SessionId, type SessionHeader } from '@deepseek-ai/dsh-session' import type { Session } from '@deepseek-ai/dsh-session' import type {} from '@deepseek-ai/dsh-system-prompt' import type {} from '@deepseek-ai/dsh-tools' @@ -29,10 +29,17 @@ declare module 'cordis' { } } +/** + * Plugin config: the agents to create — or resume, via `resumeSessionId` — + * declaratively at startup, so a cordis.yml deployment needs no code. + */ export interface Config { /** Agents created from configuration at startup. */ agents: (AgentOptions & { + /** Agent id to register under; also seeds the fresh per-run session id (`${id}-session-<uuid>`). */ id: AgentId + /** Optional workspace cwd for the config-created fresh session. */ + cwd?: string /** * If set, the config agent RESUMES this persisted session id instead of * starting a fresh `${id}-session-<uuid>`. Sourced from an env var in @@ -72,7 +79,7 @@ export class AgentLoop extends Service implements AgentFactory { agents: z.array(z.object({ id: z.string().required(), model: z.string(), - systemPrompt: z.string(), + cwd: z.string(), resumeSessionId: z.string(), })).default([]), }) as unknown as z<Config> @@ -82,7 +89,17 @@ export class AgentLoop extends Service implements AgentFactory { // Provide the agent-creation factory to the registry (effect-scoped: the // slot is cleared on dispose). ctx.effect(() => this.ctx.agents.setFactory(this), 'agentLoop.setFactory()') - for (const { id, resumeSessionId, ...options } of config.agents) { + // The prompt variables the shipped loop provides, registered once. The + // sections themselves (`harness:identity`, `deployment:persona`) belong to + // dsh-system-prompt — they must survive a swapped loop plugin — but + // `{{model}}`/`{{cwd}}` are runtime facts of the agents THIS loop drives: + // it assembles with `{ agent }` each step (loop.ts), and the variables + // project the agent's configured model and its session workspace from that + // context. A provider returns undefined when the fact is absent + // (renderPrompt then rejects a persona that claims it — fail loud). + ctx.systemPrompt.variable('model', context => context.agent?.options.model) + ctx.systemPrompt.variable('cwd', context => context.agent?.session.header.cwd) + for (const { id, cwd, resumeSessionId, ...options } of config.agents) { if (resumeSessionId !== undefined && resumeSessionId !== '') { // Resume a prior session instead of starting fresh. resume() needs // `ctx.sessionPersistence`, which may load AFTER this plugin (cordis.yml @@ -101,15 +118,15 @@ export class AgentLoop extends Service implements AgentFactory { return () => void fiber.dispose() }, `agentLoop.resume(${id})`) } else { - this.create(id, options) + this.create(id, options, cwd === undefined ? {} : { cwd }) } } } /** * Config-driven create: an agent on a FRESH, non-colliding session id per run - * (`${id}-session-<uuid>`, no cwd). Used for `cordis.yml`-configured agents - * and as the shared core for the programmatic factory {@link createAgent}. + * (`${id}-session-<uuid>`). Used for `cordis.yml`-configured agents and as + * the shared core for the programmatic factory {@link createAgent}. * * Why a per-run id, not a fixed `${id}-session`: once a durable persistence * backend is loaded, a fixed id collides on the second run — the backend @@ -123,15 +140,16 @@ export class AgentLoop extends Service implements AgentFactory { * UI/ACP path owns session selection. * @param id - the agent id; also seeds the generated session id. * @param options - loop options (model, limits, …); defaults applied per option. + * @param meta - optional session metadata for the fresh session. * @returns the running agent, owned by the calling fiber (no handle). */ - create(id: AgentId, options: AgentOptions = {}): ReactLoopAgent { + create(id: AgentId, options: AgentOptions = {}, meta: Pick<SessionHeader, 'cwd'> = {}): ReactLoopAgent { this.assertAgentIdFree(id) // Config/programmatic path: prepare the session and let start() fold its // lifecycle into the agent's composite effect (so a fiber unload tears the // session + agent down as one ordered chain, capturing the loop's closing // flush). The whole effect is owned by THIS fiber; no AgentHandle is needed. - const session = this.ctx.sessions.prepare(SessionId(`${id}-session-${randomUUID()}`), { meta: {} }) + const session = this.ctx.sessions.prepare(SessionId(`${id}-session-${randomUUID()}`), { meta }) const { agent } = this.start(id, options, session, 'startup') return agent } diff --git a/packages/core/agent-loop/src/loop.ts b/packages/core/agent-loop/src/loop.ts index 56c6cc1863..33ddee8f64 100644 --- a/packages/core/agent-loop/src/loop.ts +++ b/packages/core/agent-loop/src/loop.ts @@ -8,10 +8,13 @@ */ import type { Context } from 'cordis' -import type { FinishReason, GenerateOptions, Message } from '@deepseek-ai/dsh-llm' -import { BlockAssembler, HarnessError } from '@deepseek-ai/dsh-llm' +import type { FinishReason, GenerateOptions, LlmCallConfig, Message } from '@deepseek-ai/dsh-llm' +import { BlockAssembler, HarnessError, deepFreeze } from '@deepseek-ai/dsh-llm' import type { ContinuationDecision, HookContext, PromptDecision } from '@deepseek-ai/dsh-agent' +import { canonicalHeader } from '@deepseek-ai/dsh-session' import type { Session, TurnEndReason, TurnTrigger } from '@deepseek-ai/dsh-session' +import { createTransmissionLog, recordRequestHeader } from './request-log.ts' +import type { TransmissionLog } from './request-log.ts' import { renderPrompt } from '@deepseek-ai/dsh-system-prompt' import type { PromptAssembly } from '@deepseek-ai/dsh-system-prompt' import type {} from '@deepseek-ai/dsh-tools' @@ -152,12 +155,20 @@ export interface LoopHandle { * every prompt blocked → 'turn/end'(rejected), 0 steps * STEP loop: * drain steering → session('steering/message') ⟵ catches late steering - * assembly = ctx.systemPrompt.assemble() ⟵ waterfall system-prompt/assemble - * await ctx.serial('agent/pre-step') ⟵ surface mutation (compaction) OUTSIDE the step - * session('step/start') ⟵ durable step boundary (no agent/* mirror) - * req = {model, system, tools, messages: session.deriveMessages(), signal} - * req = waterfall agent/request ⟵ hooks/model-switch - * stream ctx.llm.stream(req) ⟵ waterfall llm/stream (raw chunks) + * assembly = ctx.systemPrompt.assemble({agent}) ⟵ waterfall system-prompt/assemble; renderPrompt + * (persona section + {{variables}}) IS the full prompt + * prefix ??= waterfall agent/session-prefix ⟵ once per loop instance (first step): frozen + * session prefix; logged on the header, never + * session history + * await ctx.serial('agent/pre-step', …, prefix) ⟵ surface mutation (compaction) OUTSIDE the step; + * pressure gates see the prefix the request carries + * boundary = session.deriveMessages() ⟵ the reconstruction boundary: snapshot in the + * session('step/start') same sync frame, strictly before step/start + * config = waterfall agent/request(config) ⟵ frozen seed; a returned replacement switches + * session('request/header'|'request/header-delta') ⟵ the header event this request owes the + * log (initial/resume anchor, delta, fallback) + * req = freeze({header..., messages: prefix+boundary, sessionId, signal}) + * stream ctx.llm.stream(req) ⟵ waterfall llm/stream (raw chunks, frozen req) * session('assistant/chunk') * msg = waterfall agent/step-result ⟵ BEFORE the log append, so the * session('assistant/message' {content, usage?}) session records what actually ran @@ -166,7 +177,7 @@ export interface LoopHandle { * → dispatch → tools/post-execute * session('tool/result') * append buffered post-execute additionalContext → session('context/message')(s) - * drain steering → session('steering/message'); emit agent/steering + * drain steering → session('steering/message') * session('step/end') ⟵ durable step boundary (no agent/* mirror) * cont = waterfall agent/turn-continuation ⟵ ContinuationDecision; default * {action: hadToolCalls||steered ? 'continue':'stop'}; a continue.reason is @@ -178,8 +189,18 @@ export interface LoopHandle { * re-enqueue leftover steering as queued ⟵ steering is never stranded * idle (emit agent/status) unless more queued * ``` + * @param ctx - the plugin context the loop reaches events (agent/…, session/flush) and services (systemPrompt, llm, tools) through. + * @param agent - the agent this invocation drives for its whole lifetime (its inbox, session, and options). + * @param handle - the bridge to the agent's mutable state: status/abort setters plus the disposal and cancel-marker reads. */ export async function runLoop(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle): Promise<void> { + // Per-instance transmission bookkeeping: whether THIS loop instance has + // anchored the log's header fold yet (its first request logs a + // 'initial'/'resume' request/header snapshot). Everything else the request + // needs is read from the session log itself — the loop holds no + // conversation state (the reconstructability RFC). + const transmission = createTransmissionLog() + const { session } = agent while (!handle.isDisposed()) { @@ -235,7 +256,7 @@ export async function runLoop(ctx: Context, agent: ReactLoopAgent, handle: LoopH // turn number is actually last in the log — a stale counter would collide. const turn = lastTurnNumber(session) + 1 try { - await runTurn(ctx, agent, handle, turn) + await runTurn(ctx, agent, handle, turn, transmission) } catch (error: unknown) { // Backstop: runTurn rethrows only a PRE-turn throw (the invariant guard // before turn/start) — no turn/start was appended, so no turn is open and @@ -270,7 +291,9 @@ export async function runLoop(ctx: Context, agent: ReactLoopAgent, handle: LoopH } } -async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, turn: number): Promise<void> { +async function runTurn( + ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, turn: number, transmission: TransmissionLog, +): Promise<void> { const { session } = agent // --- Pre-turn. A throw here (the invariant guard) is owed NO turn/end — @@ -420,7 +443,7 @@ async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, // Steering from the previous round's continuation listeners joins before // the request. - drainSteering(ctx, agent, turn) + drainSteering(agent, turn) // The step's AbortController exists BEFORE any async pre-step work so a // dispose() or cancel() — in a synchronous turn-start listener or an @@ -434,11 +457,11 @@ async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, // because the pre-step seam needs it: compaction measures token pressure // against the system prompt (it counts toward the budget). runStep reuses // this same assembly for the request, so the prompt is assembled once per - // step. - const assembly = await ctx.systemPrompt.assemble() - const fullSystemPrompt = [renderPrompt(assembly), agent.options.systemPrompt ?? ''] - .filter(text => text.length > 0) - .join('\n\n') + // step. renderPrompt IS the full prompt — the persona is the order-0 + // section (registered by the AgentLoop plugin) and `{{variable}}` + // interpolation happens in the render, so there is no separate join. + const assembly = await ctx.systemPrompt.assemble({ agent }) + const fullSystemPrompt = renderPrompt(assembly) // Interruption landing after assembly: dispose() or cancel() in a // turn-start listener (or a listener whose promise resolved before the @@ -453,6 +476,50 @@ async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, break } + // Compose the session prefix ONCE per loop instance, lazily before the + // instance's first pre-step: request-only messages placed in front of + // the ENTIRE derived history on every request this instance sends. It + // MUST precede the pre-step seam so compaction gates on THIS instance's + // prefix — reading a previous instance's logged prefix would let a + // resumed/forked instance whose contributor grew skip compaction and + // ship an over-window first request. The result is deep-cloned + // (decoupled from listener-held references), deep-frozen, and cached on + // the transmission bookkeeping, so reuse is structural — the prefix + // cannot change mid-session and the provider prefix cache holds by + // construction (resume = a new instance = a recompose, anchored by its + // 'resume' snapshot). The prefix is not session history — the header + // event in runStep is its only durable record + // (EpochHeader.messagePrefix). The frozen empty seed serves both the + // listener chain and the no-listener fallback: a contribution is a + // RETURNED extension of `await next()`, never an in-place push. This + // runs OUTSIDE the step, before the boundary snapshot: a composing + // listener's session append lands before the boundary and joins the + // CURRENT request. + if (transmission.sessionPrefix === undefined) { + const emptyPrefix: Message[] = deepFreeze([]) + const composed = await ctx.waterfall( + 'agent/session-prefix', agent, emptyPrefix, abort.signal, + () => Promise.resolve(emptyPrefix), + ) + + // Interruption landing during prefix composition: mirror the assembly + // window above — drop the about-to-start step without running the + // seam, and DISCARD the composition instead of caching it. An + // abort-aware listener may have returned a degraded fallback under + // the firing signal; committing it would ship a prefix no request + // ever used (and no header ever logged) on this instance's next real + // request. The next turn recomposes under a live signal — the cache + // only ever holds a fully composed prefix. The cache-hit path needs + // no such check: nothing awaits between the assembly check above and + // the pre-step seam. + if (handle.isCancelled() || handle.isDisposed()) { + handle.setAbort(undefined) + reason = handle.isDisposed() ? { kind: 'disposed' } : { kind: 'aborted', reason: handle.cancelReason() } + break + } + transmission.sessionPrefix = deepFreeze(structuredClone(composed)) + } + // Pre-step surface-mutation checkpoint (compaction), fired OUTSIDE the // step: after `turn/start` (and the prior step's close) but before // `step/start`, so a compaction's log-only `compact/*` records and its @@ -463,8 +530,10 @@ async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, // concurrent listeners cannot interleave their `session.append`s. A // throwing listener escapes to the outer catch, which closes the (not-yet- // open) step as a no-op and ends the turn via failTurn — a broken - // pre-step plugin ends the turn, not the loop. - await ctx.serial('agent/pre-step', agent, turn, step, fullSystemPrompt, abort.signal) + // pre-step plugin ends the turn, not the loop. The composed session + // prefix rides along so token-pressure listeners count everything the + // request will actually carry. + await ctx.serial('agent/pre-step', agent, turn, step, fullSystemPrompt, transmission.sessionPrefix, abort.signal) // Interruption landing during the pre-step seam: do not open an empty step. if (handle.isCancelled() || handle.isDisposed()) { @@ -473,6 +542,17 @@ async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, break } + // The reconstruction boundary (the reconstructability RFC): the request's + // messages are snapshotted HERE, in the same synchronous frame as the + // step/start append directly below — so the snapshot is exactly the + // derivation over the log prefix strictly before step/start's seq. + // Anything appended later — by a step/start session/event listener, an + // agent/request-window inject(), any concurrent task — lands after the + // boundary and joins the NEXT request. An external reconstructor + // recovers these exact messages by folding the surface over + // events[0..stepStartSeq). + const boundaryMessages = session.deriveMessages() + // Mark the step open BEFORE the append: Session.append pushes the event // to the log before notifying session/event listeners, so a THROWING // step/start listener leaves step/start in the log. Setting stepOpen first @@ -494,7 +574,7 @@ async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, let stepOutcome: { hadToolCalls: boolean; finish: FinishReason } | { error: Error } try { - stepOutcome = await runStep(ctx, agent, turn, step, assembly, fullSystemPrompt, abort.signal) + stepOutcome = await runStep(ctx, agent, turn, step, assembly, fullSystemPrompt, boundaryMessages, transmission, abort.signal) } catch (error: unknown) { stepOutcome = { error: toError(error) } } finally { @@ -529,7 +609,7 @@ async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, if (stepReason) reason = stepReason // Steering that arrived during streaming/tool execution. - const steered = drainSteering(ctx, agent, turn) + const steered = drainSteering(agent, turn) if (closeStep()) break @@ -635,20 +715,21 @@ async function runTurn(ctx: Context, agent: ReactLoopAgent, handle: LoopHandle, } /** Drain the steering queue into the session. Returns whether any arrived. */ -function drainSteering(ctx: Context, agent: ReactLoopAgent, turn: number): boolean { +function drainSteering(agent: ReactLoopAgent, turn: number): boolean { const messages = agent.inbox.drainSteering() for (const message of messages) { agent.session.append('steering/message', { turn, content: message.content, source: message.source }, { surfaceOp: 'append' }) - ctx.emit('agent/steering', agent, turn, message.content, message.source) } return messages.length > 0 } -/** One step: derive request from the (already pre-step-mutated) surface → - * stream model → record → execute tools. The caller assembles the system prompt - * and fires the `agent/pre-step` seam BEFORE opening the step, then passes the - * resulting `assembly`/`system` here, so the surface this step derives from - * already reflects any compaction. */ +/** One step: build the request from the boundary snapshot + the step's + * header → compose the session prefix if this instance has none yet → log + * the header event the request owes → stream model → record → execute + * tools. The caller assembles the + * system prompt, fires the `agent/pre-step` seam, snapshots the derivation, + * and opens the step BEFORE calling this, so `boundaryMessages` is exactly + * the surface prefix at step/start and already reflects any compaction. */ async function runStep( ctx: Context, agent: ReactLoopAgent, @@ -656,23 +737,71 @@ async function runStep( step: number, assembly: PromptAssembly, system: string, + boundaryMessages: Message[], + transmission: TransmissionLog, signal: AbortSignal, ): Promise<{ hadToolCalls: boolean; finish: FinishReason }> { const { session, options } = agent - let request: GenerateOptions = { - model: options.model ?? '', - messages: session.deriveMessages(), - ...system ? { system } : {}, - ...assembly.tools.length > 0 ? { tools: assembly.tools } : {}, - sessionId: session.id, - signal, - } - request = await ctx.waterfall('agent/request', agent, turn, step, request, () => Promise.resolve(request)) - if (!request.model) { + // Seed the call config: the first request of THIS loop instance seeds from + // current AgentOptions — explicit options always win over the logged + // baseline, which is what keeps fork model-overrides and resume-time + // reconfiguration correct. Later steps seed from the log's folded header, + // which by then is exactly what this instance last logged. + // One deep-cloned, frozen seed serves BOTH the listener chain and the + // no-listener fallback: structuredClone decouples it from the session's + // cached header fold (a raw reference would let a delegating listener + // mutate the fold in place and silently skip the delta log), and the freeze + // makes in-place shaping unrepresentable — a switch is a RETURNED + // replacement, which the header event below records. + const seedConfig: LlmCallConfig = deepFreeze(structuredClone(transmission.loggedHeader + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- loggedHeader ⟹ a snapshot is in the log + ? session.requestHeader()!.config + : { model: options.model ?? '' })) + + // Shape the call config: listeners return a replacement to switch model or + // sampling (the seed is frozen — content shaping is not expressible here; + // model-visible content flows through the log channels). The header event + // below records whatever the request ACTUALLY uses, so a listener's switch + // is a logged, reconstructable fact, never silent drift. + const config = await ctx.waterfall('agent/request', agent, turn, step, seedConfig, () => Promise.resolve(seedConfig)) + if (!config.model) { throw new Error(`agent "${agent.id}" has no model: set AgentOptions.model or supply one via the agent/request waterfall`) } + // The session prefix was composed (once per instance) before this step's + // pre-step seam — the caller guarantees it, so the cache is always set here. + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion -- runTurn composes the prefix before every runStep call + const sessionPrefix = transmission.sessionPrefix! + + // The request header (the log's request/header* vocabulary): canonical form, + // recorded before dispatch so the log always explains the request — + // including the session prefix, which no other event carries. + const header = canonicalHeader({ + config, + ...system ? { system } : {}, + ...assembly.tools.length > 0 ? { tools: assembly.tools } : {}, + ...sessionPrefix.length > 0 ? { messagePrefix: sessionPrefix } : {}, + }) + recordRequestHeader(session, transmission, header) + + // Build and freeze: the request is a pure function of (boundary snapshot, + // logged header) — llm/stream listeners and adapters read it, mutation + // throws. sessionId + frozen is the loop-built marker the dev invariant + // keys on. Message order: header.messagePrefix, then the boundary + // snapshot — the reconstruction equation the invariant recomputes. + const request: GenerateOptions = deepFreeze({ + model: header.config.model, + messages: [...header.messagePrefix ?? [], ...boundaryMessages], + ...header.system !== undefined ? { system: header.system } : {}, + ...header.tools !== undefined ? { tools: header.tools } : {}, + ...header.config.temperature !== undefined ? { temperature: header.config.temperature } : {}, + ...header.config.maxTokens !== undefined ? { maxTokens: header.config.maxTokens } : {}, + ...header.config.stop !== undefined ? { stop: header.config.stop } : {}, + sessionId: session.id, + signal, + }) + // --- Model call (streaming-first; raw chunks are the replay record) --- const assembler = new BlockAssembler() const chunkSeqs: number[] = [] @@ -808,7 +937,11 @@ function withoutToolCalls(message: Message): Message { return { ...message, content: message.content.filter(block => block.type !== 'tool-call') } } -/** The last turn number in a (possibly seeded) session log, or 0. */ +/** + * The last turn number in a (possibly seeded) session log, or 0. + * @param session - the session whose log is scanned for the latest `turn/start`. + * @returns the latest `turn/start`'s turn number, or 0 when the log has none (the next turn is this plus one). + */ export function lastTurnNumber(session: Session): number { const lastStart = session.events.findLast(event => event.type === 'turn/start') return lastStart?.data.turn ?? 0 @@ -822,6 +955,8 @@ export function lastTurnNumber(session: Session): number { * returns to idle), so status is not a reliable open-turn signal. Used by * `inject()` to choose between appending into an open turn vs. wrapping the * injection in its own one-shot turn (the turn-enclosure RFC). + * @param session - the session whose log is inspected. + * @returns true when the log's last turn boundary is a `turn/start` with no matching `turn/end` yet. */ export function isTurnOpen(session: Session): boolean { const last = session.events.findLast(e => e.type === 'turn/start' || e.type === 'turn/end') diff --git a/packages/core/agent-loop/src/request-log.ts b/packages/core/agent-loop/src/request-log.ts new file mode 100644 index 0000000000..d2763f5c2a --- /dev/null +++ b/packages/core/agent-loop/src/request-log.ts @@ -0,0 +1,80 @@ +/** + * Per-loop-instance transmission bookkeeping for the reconstructability + * contract: which header event to append before a request so the session log + * always explains the request (the reconstructability RFC). The loop is + * otherwise transmission-stateless — the comparison baseline is the log's own + * folded header (`Session.requestHeader()`), so resume and fork need no + * special path: a fresh loop instance simply logs a `'resume'` snapshot on + * its first request and deltas from there. + * + * @module dsh-agent-loop/request-log + */ + +import { diffHeader, headerEquals, applyHeaderDelta } from '@deepseek-ai/dsh-session' +import type { EpochHeader, Session } from '@deepseek-ai/dsh-session' +import type { Message } from '@deepseek-ai/dsh-llm' + +/** Per-loop-instance bookkeeping: whether THIS instance has logged a header yet. */ +export interface TransmissionLog { + /** True once this loop instance appended its anchoring `request/header` snapshot. */ + loggedHeader: boolean + /** + * The instance's composed session prefix (the `agent/session-prefix` + * waterfall's deep-frozen product), cached on the instance's first + * request-building step and reused verbatim for every request it sends — + * the structural guarantee that the prefix never changes mid-session. + * `undefined` until composed. + */ + sessionPrefix?: Message[] +} + +/** + * Fresh bookkeeping for a newly-started loop instance. + * @returns state with `loggedHeader` false, so the instance's first request appends an anchoring snapshot. + */ +export function createTransmissionLog(): TransmissionLog { + return { loggedHeader: false } +} + +/** + * Append whatever header event this request owes the log, so folding the log + * reproduces the header the request was built under. Exactly one of four + * things happens: + * + * 1. This loop instance has not logged a header yet → a full `request/header` + * snapshot anchors the fold: reason `'initial'` when the log has no header + * events at all (a new conversation), `'resume'` when it does (process + * restart, fork seed — the boundary itself is a recorded fact, so the + * snapshot is appended even when nothing changed). + * 2. The header equals the folded baseline → nothing; the log already + * explains this request. + * 3. It differs and the delta round-trips (`applyHeaderDelta` on the baseline + * reproduces the header exactly) → a `request/header-delta`. + * 4. It differs and the delta encoding cannot express the change (a pure tool + * reordering) → a full snapshot with reason `'fallback'`; deltas are an + * encoding optimization, never a correctness dependency. + * + * @param session - the session whose log explains the request. + * @param state - this loop instance's bookkeeping (mutated on first log). + * @param header - the canonical header the request will ACTUALLY use + * (post-`agent/request`). + */ +export function recordRequestHeader(session: Session, state: TransmissionLog, header: EpochHeader): void { + if (!state.loggedHeader) { + session.append('request/header', { header, reason: session.requestHeader() === undefined ? 'initial' : 'resume' }) + state.loggedHeader = true + return + } + // This instance logged a snapshot, so the fold is necessarily defined. + // eslint-disable-next-line @typescript-eslint/no-non-null-assertion + const baseline = session.requestHeader()! + if (headerEquals(baseline, header)) return + const delta = diffHeader(baseline, header) + /* v8 ignore next -- headerEquals false ⟹ diffHeader defined: both compare the same four parts */ + if (delta === undefined) return + if (headerEquals(applyHeaderDelta(baseline, delta), header)) { + session.append('request/header-delta', delta) + } else { + session.append('request/header', { header, reason: 'fallback' }) + } +} diff --git a/packages/core/agent-loop/tests/cancel.spec.ts b/packages/core/agent-loop/tests/cancel.spec.ts index 0e77f0bcbf..63a75447ca 100644 --- a/packages/core/agent-loop/tests/cancel.spec.ts +++ b/packages/core/agent-loop/tests/cancel.spec.ts @@ -12,7 +12,7 @@ import { describe, expect, it } from 'vitest' import { Context } from 'cordis' -import LlmService from '@deepseek-ai/dsh-llm' +import LlmService, { type Message } from '@deepseek-ai/dsh-llm' import SessionStore, { SessionId, TurnEndReason } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry from '@deepseek-ai/dsh-tools' @@ -166,6 +166,103 @@ describe('Agent.cancel()', () => { expect(reasons.length).toBe(2) }) + it('cancel from inside the agent/session-prefix waterfall drops the step (prefix-composition window)', async () => { + const adapter = new MockAdapter([textResponse('should not stream')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + // Prefix composition runs before the pre-step seam on the instance's first + // step; a cancel landing inside it must drop the about-to-start step + // without running the seam or the model. + let streamed = false + ctx.on('session/event', (_s, event) => { if (event.type === 'assistant/chunk') streamed = true }) + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next) => { + agent.cancel('from prefix composition') + return next() + }) + + const reasons: TurnEndReason[] = [] + ctx.on('session/event', (_s, event) => { if (event.type === 'turn/end') reasons.push(event.data.reason) }) + + send(agent, 'go') + await waitForIdle(ctx, agent) + + expect(streamed).toBe(false) + expect(reasons).toEqual([{ kind: 'aborted', reason: 'from prefix composition' }]) + }) + + it('disposal from inside the agent/session-prefix waterfall ends the turn disposed (prefix-composition window)', async () => { + const adapter = new MockAdapter([textResponse('should not stream')]) + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { agents: [] }) + ctx.llm.registerAdapter(['mock'], adapter) + + const handle = ctx.agents.create({ + agentId: AgentId('a-dispose-prefix'), + sessionId: SessionId('dispose-prefix-session'), + agentOptions: { model: 'mock' }, + }) + const agent = handle.agent as ReactLoopAgent + + let disposalDone: Promise<void> | undefined + let streamed = false + ctx.on('session/event', (_s, event) => { if (event.type === 'assistant/chunk') streamed = true }) + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next) => { + disposalDone = handle.dispose() + return next() + }) + + send(agent, 'go') + await new Promise(resolve => setTimeout(resolve, 0)) + await disposalDone + await agent.done + + // No step opened, no model call ran, and the turn closed disposed. + expect(streamed).toBe(false) + expect(adapter.requests).toHaveLength(0) + const turnEnd = agent.session.events.findLast(e => e.type === 'turn/end') + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason).toEqual({ kind: 'disposed' }) + }) + + it('a cancel-interrupted prefix composition is discarded: the next send recomposes and ships the fresh prefix (stale-cache guard)', async () => { + const adapter = new MockAdapter([textResponse('reply')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + // The first composition is interrupted mid-waterfall and — like an + // abort-aware listener bailing on a firing signal — contributes nothing. + // Caching that degraded result would silently strip the prefix from every + // later request of this instance; the loop must discard it and recompose + // on the next send, and the SECOND composition's value must be what the + // wire and the header log carry. + const opener: Message = { role: 'user', content: [{ type: 'text', text: 'fresh opener' }] } + let compositions = 0 + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise<Message[]> => { + compositions += 1 + if (compositions === 1) { + agent.cancel('mid-composition') + return next() + } + return [opener, ...await next()] + }) + + send(agent, 'dropped') + await waitForIdle(ctx, agent) + send(agent, 'real prompt') + await waitForIdle(ctx, agent) + + expect(compositions).toBe(2) + expect(adapter.requests).toHaveLength(1) + expect(adapter.requests[0]?.messages[0]).toEqual(opener) + const headerEvent = agent.session.events.find(e => e.type === 'request/header') + expect(headerEvent?.type === 'request/header' && headerEvent.data.header.messagePrefix).toEqual([opener]) + }) + it('cancel from a synchronous turn/start session-event listener drops the step (step-start window)', async () => { const adapter = new MockAdapter([textResponse('should not stream')]) const ctx = await harness(adapter) diff --git a/packages/core/agent-loop/tests/config-session-id.spec.ts b/packages/core/agent-loop/tests/config-session-id.spec.ts index 8cf5bd81f8..a645fb3553 100644 --- a/packages/core/agent-loop/tests/config-session-id.spec.ts +++ b/packages/core/agent-loop/tests/config-session-id.spec.ts @@ -35,7 +35,7 @@ describe('config-driven session id', () => { await ctx1.plugin(SystemPrompt) await ctx1.plugin(ToolRegistry) await ctx1.plugin(AgentRegistry) - await ctx1.plugin(AgentLoop, { agents: [{ id: AgentId('cfg'), model: 'mock', systemPrompt: '' }] }) + await ctx1.plugin(AgentLoop, { agents: [{ id: AgentId('cfg'), model: 'mock' }] }) await ctx1.plugin(SessionPersistenceJsonl, { root }) ctx1.llm.registerAdapter(['mock'], new MockAdapter([textResponse('cfg')])) const a1 = ctx1.agents.get(AgentId('cfg')) as ReactLoopAgent @@ -52,7 +52,7 @@ describe('config-driven session id', () => { await ctx2.plugin(SystemPrompt) await ctx2.plugin(ToolRegistry) await ctx2.plugin(AgentRegistry) - await ctx2.plugin(AgentLoop, { agents: [{ id: AgentId('cfg'), model: 'mock', systemPrompt: '' }] }) + await ctx2.plugin(AgentLoop, { agents: [{ id: AgentId('cfg'), model: 'mock' }] }) await ctx2.plugin(SessionPersistenceJsonl, { root }) ctx2.llm.registerAdapter(['mock'], new MockAdapter([textResponse('cfg2')])) const a2 = ctx2.agents.get(AgentId('cfg')) as ReactLoopAgent @@ -92,7 +92,7 @@ describe('config-driven session id', () => { await ctx2.plugin(SystemPrompt) await ctx2.plugin(ToolRegistry) await ctx2.plugin(AgentRegistry) - await ctx2.plugin(AgentLoop, { agents: [{ id: AgentId('main'), model: 'mock', systemPrompt: '', resumeSessionId: SessionId('sticky-1') }] }) + await ctx2.plugin(AgentLoop, { agents: [{ id: AgentId('main'), model: 'mock', resumeSessionId: SessionId('sticky-1') }] }) await ctx2.plugin(SessionPersistenceJsonl, { root }) ctx2.llm.registerAdapter(['mock'], new MockAdapter([textResponse('second')])) @@ -120,7 +120,7 @@ describe('config-driven session id', () => { await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) - await ctx.plugin(AgentLoop, { agents: [{ id: AgentId('main'), model: 'mock', systemPrompt: '', resumeSessionId: SessionId('does-not-exist') }] }) + await ctx.plugin(AgentLoop, { agents: [{ id: AgentId('main'), model: 'mock', resumeSessionId: SessionId('does-not-exist') }] }) const warn = vi.spyOn((ctx.agentLoop as unknown as { ctx: { logger: { warn: (...a: unknown[]) => void } } }).ctx.logger, 'warn') .mockImplementation(() => undefined) await ctx.plugin(SessionPersistenceJsonl, { root }) diff --git a/packages/core/agent-loop/tests/interception.spec.ts b/packages/core/agent-loop/tests/interception.spec.ts index e76ac30fa9..bab2ae6ea1 100644 --- a/packages/core/agent-loop/tests/interception.spec.ts +++ b/packages/core/agent-loop/tests/interception.spec.ts @@ -1,6 +1,6 @@ import { describe, expect, it } from 'vitest' import { Context } from 'cordis' -import LlmService, { CallId } from '@deepseek-ai/dsh-llm' +import LlmService, { CallId, type Message } from '@deepseek-ai/dsh-llm' import SessionStore, { type SessionEvent, type TurnEndReason } from '@deepseek-ai/dsh-session' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' import ToolRegistry, { defineTool, type PostToolDecision, type PreToolDecision } from '@deepseek-ai/dsh-tools' @@ -310,6 +310,162 @@ describe('agent/session-start', () => { }) }) +describe('agent/session-prefix', () => { + it('composes once per loop instance and fronts every request; the header records it; history stays untouched', async () => { + const adapter = new MockAdapter([ + toolCallResponse('c1', 'echo', { text: 'ping' }), + textResponse('done'), + textResponse('again'), + ]) + const ctx = await harness(adapter) + ctx.tools.register(defineTool({ + name: 'echo', description: 'echo', parameters: { text: { type: 'string' } }, + async execute(args) { return [{ type: 'text', text: String(args.text) }] }, + })) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + const reminder: Message = { role: 'user', content: [{ type: 'text', text: '<system-reminder>catalog</system-reminder>' }] } + let composed = 0 + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise<Message[]> => { + composed += 1 + return [...await next(), reminder] + }) + + send(agent, 'go') + await waitForIdle(ctx, agent) + send(agent, 'next turn') + await waitForIdle(ctx, agent) + + // Three requests (two turns), ONE composition: the frozen product is + // reused verbatim, so the prefix cannot drift mid-session. + expect(adapter.requests).toHaveLength(3) + expect(composed).toBe(1) + for (const request of adapter.requests) { + expect(request.messages[0]).toEqual(reminder) + } + // The anchoring snapshot is the prefix's durable record — and the ONLY + // header event: reuse means no request/header-delta ever. + const headerEvents = events(agent).filter(e => e.type === 'request/header' || e.type === 'request/header-delta') + expect(headerEvents).toHaveLength(1) + expect(headerEvents[0]?.type === 'request/header' && headerEvents[0].data.header.messagePrefix).toEqual([reminder]) + // Never session history: the derivation starts at the real user prompt. + expect(agent.session.deriveMessages()[0]).toEqual({ role: 'user', content: [{ type: 'text', text: 'go' }] }) + }) + + it('composes before the first pre-step and hands the prefix to the seam (pressure gates see the real value)', async () => { + const adapter = new MockAdapter([textResponse('ok')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + const reminder: Message = { role: 'user', content: [{ type: 'text', text: 'opener' }] } + const order: string[] = [] + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise<Message[]> => { + order.push('compose') + return [reminder, ...await next()] + }) + const seen: (readonly Message[])[] = [] + ctx.on('agent/pre-step', (_agent, _turn, _step, _system, sessionPrefix) => { + order.push('pre-step') + seen.push(sessionPrefix) + }) + + send(agent, 'hi') + await waitForIdle(ctx, agent) + + // Composition precedes the pre-step seam, and the seam receives THIS + // instance's composed prefix — a token-pressure gate (compaction) counts + // what the request will actually carry, never a stale logged prefix. + expect(order).toEqual(['compose', 'pre-step']) + expect(seen[0]).toEqual([reminder]) + }) + + it('the canonical prepend pattern composes contributions in registration order', async () => { + const adapter = new MockAdapter([textResponse('ok')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + // Both listeners use the canonical `[mine, ...await next()]` prepend: the + // waterfall unwinds innermost-first (the second listener's array is built + // first), so prepending puts the FIRST-registered contribution first. + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise<Message[]> => { + return [{ role: 'user', content: [{ type: 'text', text: 'first' }] }, ...await next()] + }) + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise<Message[]> => { + return [{ role: 'user', content: [{ type: 'text', text: 'second' }] }, ...await next()] + }) + + send(agent, 'hi') + await waitForIdle(ctx, agent) + + const texts = adapter.requests[0]!.messages.map(m => m.content[0]?.type === 'text' ? m.content[0].text : '') + expect(texts).toEqual(['first', 'second', 'hi']) + }) + + it('with no contributions the header omits messagePrefix and the request is the bare derivation', async () => { + const adapter = new MockAdapter([textResponse('ok')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + // A listener that delegates without contributing — the canonical no-op. + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next) => next()) + + send(agent, 'hi') + await waitForIdle(ctx, agent) + + const headerEvent = events(agent).find(e => e.type === 'request/header') + expect(headerEvent?.type === 'request/header' && 'messagePrefix' in headerEvent.data.header).toBe(false) + expect(adapter.requests[0]!.messages).toEqual([{ role: 'user', content: [{ type: 'text', text: 'hi' }] }]) + }) + + it('the frozen seed rejects in-place mutation — a contribution is a returned extension', async () => { + const adapter = new MockAdapter([textResponse('ok')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + let mutationError: unknown + ctx.on('agent/session-prefix', async (_agent, prefix, _signal, next): Promise<Message[]> => { + try { + prefix.push({ role: 'user', content: [{ type: 'text', text: 'smuggled' }] }) + } catch (error: unknown) { + mutationError = error + } + return next() + }) + + send(agent, 'hi') + await waitForIdle(ctx, agent) + + expect(mutationError).toBeInstanceOf(TypeError) + expect(adapter.requests[0]!.messages).toEqual([{ role: 'user', content: [{ type: 'text', text: 'hi' }] }]) + }) + + it('mutating a listener-held reference after composition cannot alter later requests (the cache is a frozen clone)', async () => { + const adapter = new MockAdapter([ + toolCallResponse('c1', 'echo', { text: 'ping' }), + textResponse('done'), + ]) + const ctx = await harness(adapter) + ctx.tools.register(defineTool({ + name: 'echo', description: 'echo', parameters: { text: { type: 'string' } }, + async execute(args) { return [{ type: 'text', text: String(args.text) }] }, + })) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + const held: Message = { role: 'user', content: [{ type: 'text', text: 'v1' }] } + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise<Message[]> => [...await next(), held]) + + send(agent, 'go') + await waitForIdle(ctx, agent) + + // The listener mutates the object it contributed AFTER composition; the + // cached prefix is a deep-frozen clone, so step 2's request is unchanged. + held.content = [{ type: 'text', text: 'v2' }] + expect(adapter.requests[1]!.messages[0]).toEqual({ role: 'user', content: [{ type: 'text', text: 'v1' }] }) + expect(events(agent).filter(e => e.type === 'request/header-delta')).toHaveLength(0) + }) +}) + + describe('agent/turn-continuation (ContinuationDecision)', () => { it('a continue decision with a reason records next-step steering in the same turn', async () => { const adapter = new MockAdapter([textResponse('step 1 no tools'), textResponse('step 2')]) diff --git a/packages/core/agent-loop/tests/loop.spec.ts b/packages/core/agent-loop/tests/loop.spec.ts index 934c19953a..9dd38c5ae8 100644 --- a/packages/core/agent-loop/tests/loop.spec.ts +++ b/packages/core/agent-loop/tests/loop.spec.ts @@ -8,11 +8,11 @@ import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' import AgentLoop, { ReactLoopAgent } from '@deepseek-ai/dsh-agent-loop' import { MockAdapter, maxTokensResponse, textResponse, toolCallResponse } from './mock-adapter.ts' -async function harness(adapter: MockAdapter) { +async function harness(adapter: MockAdapter, persona = '') { const ctx = new Context() await ctx.plugin(LlmService) await ctx.plugin(SessionStore) - await ctx.plugin(SystemPrompt) + await ctx.plugin(SystemPrompt, { persona }) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) await ctx.plugin(AgentLoop, { agents: [] }) @@ -141,10 +141,12 @@ describe('agent loop', () => { .toEqual({ diffs: [{ path: 'a.txt', oldText: null, newText: 'x' }] }) }) - it('passes assembled system prompt and tool schemas into the request', async () => { + it('renders harness identity, then the persona, then tool guidance — with {{variables}} resolved', async () => { const adapter = new MockAdapter([textResponse('ok')]) - const ctx = await harness(adapter) - ctx.systemPrompt.section({ name: 'persona', order: 0, text: 'You are a test agent.' }) + // The persona is a TEMPLATE: {{model}} is the loop-registered variable + // projecting this agent's configured model, so the model knows its own name. + const ctx = await harness(adapter, 'You are a test agent on {{model}}.') + ctx.systemPrompt.section({ name: 'tool:noop', order: 100, text: 'Use the noop tool wisely.' }) ctx.tools.register(defineTool({ name: 'noop', description: 'does nothing', @@ -153,16 +155,110 @@ describe('agent loop', () => { return [] }, })) - const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock', systemPrompt: 'Agent-specific suffix.' }) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) send(agent, 'hi') await waitForIdle(ctx, agent) const request = adapter.requests[0] - expect(request!.system).toBe('You are a test agent.\n\nAgent-specific suffix.') + expect(request!.system).toBe('You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou are a test agent on mock.\n\nUse the noop tool wisely.') expect(request!.tools?.map(t => t.name)).toEqual(['noop']) }) + it('resolves {{cwd}} from the agent session workspace (factory create with meta.cwd)', async () => { + const adapter = new MockAdapter([textResponse('ok')]) + const ctx = await harness(adapter, 'Working in {{cwd}}.') + const handle = ctx.agents.create({ + agentId: AgentId('a-cwd'), + sessionId: SessionId('s-cwd'), + meta: { cwd: '/work/space' }, + agentOptions: { model: 'mock' }, + }) + + const agent = handle.agent as ReactLoopAgent + send(agent, 'hi') + await waitForIdle(ctx, agent) + + expect(adapter.requests[0]!.system).toBe('You are an AI agent powered by the DeepSeek Harness SDK.\n\nWorking in /work/space.') + }) + + it('contains a strict-variable render failure: the turn errors, the loop keeps serving turns', async () => { + // A persona claiming {{cwd}} on a session with NO cwd is a deployment + // authoring error — renderPrompt throws, the turn ends with an error, and + // the same agent must then RUN a later turn to completion (not merely + // report idle status): a rescue listener supplies the variable and the + // follow-up prompt reaches the model. + const adapter = new MockAdapter([textResponse('ok after rescue')]) + const ctx = await harness(adapter, 'In {{cwd}}.') + const errors: Error[] = [] + ctx.on('agent/error', (_agent, _turn, _step, error) => void errors.push(error)) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + send(agent, 'hi') + await waitForIdle(ctx, agent) + + expect(adapter.requests).toHaveLength(0) // the request was never sent + expect(errors.some(e => e.message.includes('no value for this assembly'))).toBe(true) + const turnEnd = agent.session.events.find(e => e.type === 'turn/end') + expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason.kind).toBe('error') + + // The loop survived: a waterfall listener rescues {{cwd}} and the SAME + // agent completes a real model turn. + ctx.on('system-prompt/assemble', async (assembly, _context, next) => { + assembly.variables['cwd'] = '/rescued' + return next() + }) + send(agent, 'again') + await waitForIdle(ctx, agent) + + expect(adapter.requests).toHaveLength(1) + expect(adapter.requests[0]!.system).toBe('You are an AI agent powered by the DeepSeek Harness SDK.\n\nIn /rescued.') + const turnEnds = agent.session.events.filter(e => e.type === 'turn/end') + expect(turnEnds).toHaveLength(2) + expect(turnEnds[1]?.type === 'turn/end' && turnEnds[1].data.reason.kind).toBe('completed') + }) + + it('supports the model-via-agent/request path with a {{model}} persona: the supplier states it via the assemble waterfall', async () => { + // AgentOptions.model unset: the model arrives in the agent/request + // waterfall (the loop's documented fallback — see runStep's no-model + // error). {{model}} renders BEFORE that waterfall, so the SAME plugin + // states the fact early on system-prompt/assemble — the owner of a + // late-bound fact owns stating it wherever it is claimed. + const adapter = new MockAdapter([textResponse('ok')]) + const ctx = await harness(adapter, 'You run on {{model}}.') + ctx.on('system-prompt/assemble', async (assembly, _context, next) => { + assembly.variables['model'] = 'mock' + return next() + }) + ctx.on('agent/request', async (_agent, _turn, _step, config, _next) => { + return { ...config, model: 'mock' } + }) + const agent = ctx.agentLoop.create(AgentId('a-late-model'), {}) + + send(agent, 'hi') + await waitForIdle(ctx, agent) + + expect(adapter.requests).toHaveLength(1) + expect(adapter.requests[0]!.model).toBe('mock') + expect(adapter.requests[0]!.system).toBe('You are an AI agent powered by the DeepSeek Harness SDK.\n\nYou run on mock.') + }) + + it('omits the system field when a system-prompt/assemble veto empties the assembly', async () => { + // The documented escape valve: a deployment that must drop the harness + // openers short-circuits the assemble waterfall; the request then carries + // NO system field at all (not an empty string). + const adapter = new MockAdapter([textResponse('ok')]) + const ctx = await harness(adapter) + ctx.on('system-prompt/assemble', async () => ({ sections: [], tools: [], variables: {} })) + const agent = ctx.agentLoop.create(AgentId('a-no-system'), { model: 'mock' }) + + send(agent, 'hi') + await waitForIdle(ctx, agent) + + expect(adapter.requests).toHaveLength(1) + expect('system' in adapter.requests[0]!).toBe(false) + }) + it('records raw chunks for replay as assistant/chunk session events', async () => { const adapter = new MockAdapter([textResponse('abc')]) const ctx = await harness(adapter) @@ -331,20 +427,27 @@ describe('agent loop', () => { expect(agent.session.events.some(e => e.type === 'tool/result')).toBe(true) }) - it('agent/request waterfall can rewrite the request (model-switch pattern)', async () => { + it('agent/request waterfall switches models by returning a replacement config; the switch is logged', async () => { const adapter = new MockAdapter([textResponse('ok')]) const ctx = await harness(adapter) ctx.llm.registerAdapter(['other-model'], adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) - ctx.on('agent/request', async (_agent, _turn, _step, options, next) => { - options.model = 'other-model' - return next() + ctx.on('agent/request', async (_agent, _turn, _step, config, _next) => { + // The seed is frozen — config is not a mutable per-call knob; a switch + // is proposed by returning a replacement, and the loop logs it. + expect(Object.isFrozen(config)).toBe(true) + expect(() => { (config as { model: string }).model = 'other-model' }).toThrow(TypeError) + return { ...config, model: 'other-model' } }) send(agent, 'hi') await waitForIdle(ctx, agent) expect(adapter.requests[0]!.model).toBe('other-model') + // The header event records what the request ACTUALLY used — the switch is + // a reconstructable fact, not silent drift. + const headerEvent = agent.session.events.find(e => e.type === 'request/header') + expect(headerEvent?.type === 'request/header' && headerEvent.data.header.config.model).toBe('other-model') }) it('agent/pre-step fires once per step before the step is opened', async () => { @@ -371,10 +474,12 @@ describe('agent loop', () => { send(agent, 'go') await waitForIdle(ctx, agent) - // One fire per step, in order, each with the assembled system prompt. + // One fire per step, in order, each with the assembled system prompt + // (here just the loop's own harness-identity section — no persona set). + const HARNESS = 'You are an AI agent powered by the DeepSeek Harness SDK.' expect(fires).toEqual([ - { turn: 1, step: 1, fullSystemPrompt: '' }, - { turn: 1, step: 2, fullSystemPrompt: '' }, + { turn: 1, step: 1, fullSystemPrompt: HARNESS }, + { turn: 1, step: 2, fullSystemPrompt: HARNESS }, ]) }) @@ -796,7 +901,7 @@ describe('agent loop', () => { await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) await ctx.plugin(AgentLoop, { - agents: [{ id: AgentId('config-agent'), model: 'mock', systemPrompt: 'Config prompt' }], + agents: [{ id: AgentId('config-agent'), model: 'mock' }], }) ctx.llm.registerAdapter(['mock'], adapter) @@ -811,6 +916,21 @@ describe('agent loop', () => { expect(adapter.requests).toHaveLength(1) }) + it('attaches config agent cwd to the fresh session header', async () => { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { + agents: [{ id: AgentId('config-agent'), model: 'mock', cwd: '/work/project' }], + }) + + const agent = ctx.agents.get(AgentId('config-agent'))! as ReactLoopAgent + expect(agent.session.header.cwd).toBe('/work/project') + }) + it('replays a session log into an identical derived history', async () => { const adapter = new MockAdapter([ toolCallResponse('c1', 'echo', { text: 'x' }), diff --git a/packages/core/agent-loop/tests/request-cache.e2e.ts b/packages/core/agent-loop/tests/request-cache.e2e.ts new file mode 100644 index 0000000000..5ccaa7e797 --- /dev/null +++ b/packages/core/agent-loop/tests/request-cache.e2e.ts @@ -0,0 +1,104 @@ +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry, { defineTool } from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId, type Agent } from '@deepseek-ai/dsh-agent' +import AgentLoop from '@deepseek-ai/dsh-agent-loop' +import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' + +/** + * With-key proof that log-derived requests translate into REAL provider cache + * hits: a multi-step tool turn (plus a follow-up turn) against the live + * DeepSeek API must report `cacheReadTokens > 0` on every request after the + * first — the adapter maps the provider's `prompt_cache_hit_tokens`, and the + * per-step usage recorded on `assistant/message` events is the production + * observable for cache behavior (the reconstructability RFC's measurement + * layer: prefix stability is corollary #1). Mocks prove the requests are + * append-extensions; only the real API proves those bytes actually hit the + * provider cache. Key-gated — skips entirely without $DEEPSEEK_API_KEY. + */ + +// Long enough that the shared request prefix comfortably spans the provider's +// cache-block granularity (64 tokens) from the very first request. +const SYSTEM = 'You are a terse coding assistant used in an automated cache test. ' + + 'Always follow instructions literally and exactly. When the user asks you to look ' + + 'something up, call the lookup tool with the requested key and wait for its result ' + + 'before answering. Never invent a value the tool has not returned. After the tool ' + + 'returns, answer with a single short sentence that repeats the returned value ' + + 'verbatim. Do not add explanations, do not use markdown, do not ask follow-up ' + + 'questions. If the user asks anything else, answer in one short sentence.' + +let ctx: Context | undefined + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined +}) + +async function loopHarness(): Promise<Context> { + const created = new Context() + await created.plugin(LlmService) + await created.plugin(SessionStore) + await created.plugin(SystemPrompt, { persona: SYSTEM }) + await created.plugin(ToolRegistry) + await created.plugin(AgentRegistry) + await created.plugin(AgentLoop, { agents: [] }) + await created.plugin(LlmDeepSeek, { models: ['deepseek-v4-flash'] }) + created.tools.register(defineTool({ + name: 'lookup', + description: 'Look up the stored value for a key.', + parameters: { key: { type: 'string', description: 'The key to look up.' } }, + async execute(args) { + return [{ type: 'text', text: `value(${String(args.key)}) = azure-falcon-42` }] + }, + })) + return created +} + +function waitForIdle(context: Context, agent: Agent): Promise<void> { + return new Promise((resolve) => { + const dispose = context.on('agent/status', (subject, status) => { + if (subject === agent && status === 'idle') { + dispose() + resolve() + } + }) + }) +} + +describe.skipIf(!process.env.DEEPSEEK_API_KEY)('log-derived request cache hits (real API)', () => { + it('every request after the first hits the provider prefix cache', async () => { + ctx = await loopHarness() + const agent = ctx.agentLoop.create(AgentId('cache-e2e'), { model: 'deepseek-v4-flash' }) + + // Turn 1: forces a tool call → at least two steps (two model requests). + agent.send([{ type: 'text', text: 'Look up the key "deploy-color" with the lookup tool and tell me the value.' }]) + await waitForIdle(ctx, agent) + // Turn 2: a follow-up over the same (longer) prefix. + agent.send([{ type: 'text', text: 'Thanks. Repeat that value one more time.' }]) + await waitForIdle(ctx, agent) + + const usages = [...agent.session.events] + .filter(e => e.type === 'assistant/message') + .map(e => e.data.usage) + expect(usages.length).toBeGreaterThanOrEqual(3) // 2 steps in turn 1 + ≥1 in turn 2 + for (const usage of usages) expect(usage).toBeDefined() + + // The first request has nothing to hit; every later one shares its + // predecessor as a byte-identical prefix, so the provider must report + // cached prompt tokens (prompt_cache_hit_tokens → cacheReadTokens). + for (const usage of usages.slice(1)) { + expect(usage!.cacheReadTokens ?? 0).toBeGreaterThan(0) + } + + // World-verification of the conversation itself: the tool value made it + // through the loop into the final answer. + const finalText = agent.session.deriveMessages().at(-1)!.content + .filter(block => block.type === 'text') + .map(block => block.text) + .join('') + expect(finalText).toContain('azure-falcon-42') + }, 180_000) +}) diff --git a/packages/core/agent-loop/tests/request-log.spec.ts b/packages/core/agent-loop/tests/request-log.spec.ts new file mode 100644 index 0000000000..a6befde84e --- /dev/null +++ b/packages/core/agent-loop/tests/request-log.spec.ts @@ -0,0 +1,85 @@ +/** + * recordRequestHeader unit tests: exactly one of four things per request — + * an 'initial' snapshot (log has no header yet), a 'resume' snapshot (fresh + * loop instance over a log that has one), nothing (header unchanged), a + * round-tripping delta, or a 'fallback' snapshot when the delta encoding + * cannot express the change (pure tool reordering). + */ + +import { describe, expect, it } from 'vitest' +import { Session, SessionId, canonicalHeader } from '@deepseek-ai/dsh-session' +import type { SessionEvent } from '@deepseek-ai/dsh-session' +import type { ToolSchema } from '@deepseek-ai/dsh-llm' +import { createTransmissionLog, recordRequestHeader } from '../src/request-log.ts' + +function tool(name: string, description = 'd'): ToolSchema { + return { name, description, parameters: { type: 'object' } } +} + +function openSession(id: string): Session { + const session = new Session(SessionId(id)) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + return session +} + +function headerEvents(session: Session): SessionEvent[] { + return session.events.filter(e => e.type === 'request/header' || e.type === 'request/header-delta') +} + +describe('recordRequestHeader', () => { + it("anchors a new conversation with an 'initial' snapshot, then logs nothing while unchanged", () => { + const session = openSession('rl-initial') + const state = createTransmissionLog() + const header = canonicalHeader({ config: { model: 'm' }, system: 's', tools: [tool('t')] }) + + recordRequestHeader(session, state, header) + const [first] = headerEvents(session) + expect(first?.type === 'request/header' && first.data.reason).toBe('initial') + + recordRequestHeader(session, state, header) + expect(headerEvents(session)).toHaveLength(1) + }) + + it("anchors a fresh loop instance over an anchored log with a 'resume' snapshot, even unchanged", () => { + const session = openSession('rl-resume') + const header = canonicalHeader({ config: { model: 'm' }, system: 's' }) + recordRequestHeader(session, createTransmissionLog(), header) + + // A second instance (process restart / fork): the boundary itself is a + // recorded fact — snapshot appended even though the header is identical. + recordRequestHeader(session, createTransmissionLog(), header) + const events = headerEvents(session) + expect(events).toHaveLength(2) + expect(events[1]?.type === 'request/header' && events[1].data.reason).toBe('resume') + }) + + it('logs a round-tripping delta for a mid-run change, and the fold reproduces the header', () => { + const session = openSession('rl-delta') + const state = createTransmissionLog() + const first = canonicalHeader({ config: { model: 'm' }, system: 'a\nb', tools: [tool('t')] }) + recordRequestHeader(session, state, first) + + const second = canonicalHeader({ config: { model: 'm' }, system: 'a\nc', tools: [tool('t'), tool('u')] }) + recordRequestHeader(session, state, second) + const events = headerEvents(session) + expect(events).toHaveLength(2) + expect(events[1]?.type).toBe('request/header-delta') + expect(session.requestHeader()).toEqual(second) + }) + + it("records a change the delta cannot express (pure reordering) as a 'fallback' snapshot", () => { + const session = openSession('rl-fallback') + const state = createTransmissionLog() + const first = canonicalHeader({ config: { model: 'm' }, tools: [tool('a'), tool('b')] }) + recordRequestHeader(session, state, first) + + const reordered = canonicalHeader({ config: { model: 'm' }, tools: [tool('b'), tool('a')] }) + recordRequestHeader(session, state, reordered) + const events = headerEvents(session) + expect(events).toHaveLength(2) + expect(events[1]?.type === 'request/header' && events[1].data.reason).toBe('fallback') + // The fold still lands on the exact header — deltas are an encoding + // optimization, never a correctness dependency. + expect(session.requestHeader()).toEqual(reordered) + }) +}) diff --git a/packages/core/agent-loop/tests/request-reconstruction.spec.ts b/packages/core/agent-loop/tests/request-reconstruction.spec.ts new file mode 100644 index 0000000000..f1d6b02ac4 --- /dev/null +++ b/packages/core/agent-loop/tests/request-reconstruction.spec.ts @@ -0,0 +1,313 @@ +/** + * Loop-level reconstructability: every request the loop sends is a pure + * function of the session log — messages are the derivation at the step/start + * boundary, the header is the fold of request/header* events — and every + * request is an append-extension of its predecessor unless a logged event + * (compaction replace, header change) explains the difference. The requests + * recorded by the mock adapter are the observable; the offline-rebuild test + * at the bottom is the theorem stated end-to-end. + */ + +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import type { GenerateOptions } from '@deepseek-ai/dsh-llm' +import SessionStore, { Session, SessionId, foldRequestHeader } from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry, { defineTool } from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop, { ReactLoopAgent } from '@deepseek-ai/dsh-agent-loop' +import { MockAdapter, textResponse, toolCallResponse } from './mock-adapter.ts' + +async function harness(adapter: MockAdapter, persona = 'stable base') { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt, { persona }) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { agents: [] }) + ctx.llm.registerAdapter(['mock'], adapter) + return ctx +} + +function waitForIdle(ctx: Context, agent: ReactLoopAgent): Promise<void> { + return new Promise((resolve) => { + const dispose = ctx.on('agent/status', (subject, status) => { + if (subject === agent && status === 'idle') { + dispose() + resolve() + } + }) + }) +} + +function send(agent: ReactLoopAgent, text: string) { + agent.send([{ type: 'text', text }]) +} + +/** Assert `previous` is a strict value-prefix of `current`. */ +function expectPrefixExtension(previous: GenerateOptions, current: GenerateOptions) { + expect(current.messages.length).toBeGreaterThan(previous.messages.length) + expect(current.messages.slice(0, previous.messages.length)).toEqual([...previous.messages]) + expect(current.system).toEqual(previous.system) + expect(current.tools).toEqual(previous.tools) +} + +function registerEcho(ctx: Context) { + ctx.tools.register(defineTool({ + name: 'echo', + description: 'echo back', + parameters: { text: { type: 'string' } }, + async execute(args) { + return [{ type: 'text', text: `echo: ${String(args.text)}` }] + }, + })) +} + +describe('request stability across the loop', () => { + it('each step request within a turn append-extends the previous, frozen end to end', async () => { + const adapter = new MockAdapter([ + toolCallResponse('c1', 'echo', { text: 'one' }, 'first'), + toolCallResponse('c2', 'echo', { text: 'two' }, 'second'), + textResponse('done'), + ]) + const ctx = await harness(adapter) + registerEcho(ctx) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + send(agent, 'go') + await waitForIdle(ctx, agent) + + expect(adapter.requests).toHaveLength(3) + expectPrefixExtension(adapter.requests[0]!, adapter.requests[1]!) + expectPrefixExtension(adapter.requests[1]!, adapter.requests[2]!) + for (const request of adapter.requests) { + expect(Object.isFrozen(request)).toBe(true) + expect(Object.isFrozen(request.messages)).toBe(true) + } + // One anchoring header snapshot; no further header events (nothing changed). + const headerEvents = agent.session.events.filter(e => e.type === 'request/header' || e.type === 'request/header-delta') + expect(headerEvents).toHaveLength(1) + expect(headerEvents[0]?.type === 'request/header' && headerEvents[0].data.reason).toBe('initial') + }) + + it('a later turn append-extends the previous turn (one conversation, one log)', async () => { + const adapter = new MockAdapter([textResponse('one'), textResponse('two')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + send(agent, 'first') + await waitForIdle(ctx, agent) + send(agent, 'second') + await waitForIdle(ctx, agent) + + expect(adapter.requests).toHaveLength(2) + expectPrefixExtension(adapter.requests[0]!, adapter.requests[1]!) + }) + + it('a compaction replace rewrites the resend, and the log explains it', async () => { + const adapter = new MockAdapter([textResponse('one'), textResponse('two')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + send(agent, 'first') + await waitForIdle(ctx, agent) + + // A pre-step listener compacts turn 1's history before turn 2's step — + // the sanctioned surface rewrite, landing OUTSIDE the step. + const preStep = ctx.on('agent/pre-step', () => { + preStep() + const session = agent.session + const nodes = session.surface.nodes + session.append('context/message', { + content: [{ type: 'text', text: '[summary of turn 1]' }], + source: { kind: 'plugin', plugin: 'test-compact' }, + }, { + surfaceOp: { op: 'replace', start: nodes[0]!.seq, end: nodes[1]!.seq }, + sourceEventSeqs: [nodes[0]!.seq, nodes[1]!.seq], + }) + }) + + send(agent, 'second') + await waitForIdle(ctx, agent) + + const second = adapter.requests[1]! + // The rewritten history: summary replaces turn 1's user+assistant pair. + expect(second.messages[0]!.content.some(b => b.type === 'text' && b.text.includes('[summary of turn 1]'))).toBe(true) + // No header event beyond the anchor: the replace is itself in the log. + expect(agent.session.events.filter(e => e.type === 'request/header')).toHaveLength(1) + }) + + it('a real system-prompt change is a logged header delta; a stable prompt logs nothing', async () => { + const adapter = new MockAdapter([textResponse('one'), textResponse('two'), textResponse('three')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + send(agent, 'first') + await waitForIdle(ctx, agent) + send(agent, 'second') + await waitForIdle(ctx, agent) + // Identical assembly re-rendered per step is NOT a change. + expect(agent.session.events.filter(e => e.type === 'request/header-delta')).toHaveLength(0) + + ctx.systemPrompt.section({ name: 'extra', order: 2, text: 'new guidance' }) + send(agent, 'third') + await waitForIdle(ctx, agent) + + const deltas = agent.session.events.filter(e => e.type === 'request/header-delta') + expect(deltas).toHaveLength(1) + expect(adapter.requests[2]!.system).toContain('new guidance') + // History is preserved across the change — only the header moved. + expect(adapter.requests[2]!.messages.length).toBeGreaterThan(adapter.requests[1]!.messages.length) + }) + + it('an inject() during the agent/request waterfall joins the NEXT request (the step/start boundary)', async () => { + const adapter = new MockAdapter([textResponse('one'), textResponse('two')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + let injected = false + ctx.on('agent/request', async (_agent, _turn, _step, _config, next) => { + if (!injected) { + injected = true + agent.inject([{ type: 'text', text: '[late context]' }], { source: { kind: 'plugin', plugin: 'test' } }) + } + return next() + }) + + send(agent, 'first') + await waitForIdle(ctx, agent) + const first = adapter.requests[0]! + // The inject landed in the log after the boundary: not in THIS request… + expect(first.messages.some(m => m.content.some(b => b.type === 'text' && b.text.includes('[late context]')))).toBe(false) + expect(agent.session.events.some(e => e.type === 'context/message')).toBe(true) + + send(agent, 'second') + await waitForIdle(ctx, agent) + // …but in the next one, at its logged position. + const second = adapter.requests[1]! + expect(second.messages.some(m => m.content.some(b => b.type === 'text' && b.text.includes('[late context]')))).toBe(true) + }) + + it('a mutation attempt on the frozen request content throws into the step (loud, not silent)', async () => { + const adapter = new MockAdapter([textResponse('one')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + const errors: Error[] = [] + ctx.on('agent/error', (_agent, _turn, _step, error) => void errors.push(error)) + ctx.on('llm/stream', (options, next) => { + // The historical failure mode this design kills: a listener rewriting + // request content in place. The freeze turns it into a loud error. + options.messages.push({ role: 'user', content: [{ type: 'text', text: 'sneaky' }] }) + return next() + }) + + send(agent, 'go') + await waitForIdle(ctx, agent) + + expect(errors).toHaveLength(1) + expect(errors[0]!.message).toMatch(/not extensible|frozen|read only|readonly/i) + }) + + it('a fresh loop instance over a seeded log anchors with a resume snapshot and stays cache-aligned', async () => { + const adapter = new MockAdapter([textResponse('one')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('gen1'), { model: 'mock' }) + send(agent, 'first') + await waitForIdle(ctx, agent) + + // Second generation: a new agent whose session is seeded with the first + // one's full log (the resume/fork path). + const adapter2 = new MockAdapter([textResponse('two')]) + const ctx2 = await harness(adapter2) + const handle = ctx2.agents.create({ + agentId: AgentId('gen2'), + sessionId: SessionId('gen2-session'), + seed: [...agent.session.events], + agentOptions: { model: 'mock' }, + }) + const agent2 = handle.agent as ReactLoopAgent + send(agent2, 'second') + await waitForIdle(ctx2, agent2) + + const snapshots = agent2.session.events.filter(e => e.type === 'request/header') + expect(snapshots).toHaveLength(2) + expect(snapshots[1]?.type === 'request/header' && snapshots[1].data.reason).toBe('resume') + // Identical header across the restart: byte-identical continuation. + expect(adapter2.requests[0]!.system).toEqual(adapter.requests[0]!.system) + expectPrefixExtension(adapter.requests[0]!, adapter2.requests[0]!) + }) + + it('a delegating listener cannot mutate the seed through next() — the fold stays log-true', async () => { + const adapter = new MockAdapter([textResponse('one'), textResponse('two')]) + const ctx = await harness(adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + ctx.on('agent/request', async (_agent, _turn, _step, _config, next) => { + const config = await next() + // next() resolves the SAME frozen seed — in-place shaping after + // delegation is unrepresentable, so a "mutate what next() returned" + // listener cannot desync the log from the request (nor reach the + // session's cached header fold, which is deep-cloned away and itself + // frozen). + expect(Object.isFrozen(config)).toBe(true) + expect(() => { (config as { temperature?: number }).temperature = 0.9 }).toThrow(TypeError) + return config + }) + + send(agent, 'first') + await waitForIdle(ctx, agent) + send(agent, 'second') + await waitForIdle(ctx, agent) + + // No delta was logged (nothing really changed), and the session's own + // fold is immutable state. + expect(agent.session.events.filter(e => e.type === 'request/header-delta')).toHaveLength(0) + expect(Object.isFrozen(agent.session.requestHeader())).toBe(true) + expect(adapter.requests[1]!.temperature).toBeUndefined() + }) + + it('THEOREM: every request rebuilds byte-equal from the session log alone', async () => { + const adapter = new MockAdapter([ + toolCallResponse('c1', 'echo', { text: 'one' }, 'calling'), + textResponse('done'), + textResponse('after change'), + ]) + const ctx = await harness(adapter) + registerEcho(ctx) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + + send(agent, 'go') + await waitForIdle(ctx, agent) + ctx.systemPrompt.section({ name: 'extra', order: 2, text: 'now with guidance' }) + ctx.on('agent/request', async (_agent, _turn, _step, config, _next) => ({ ...config, temperature: 0.5, maxTokens: 99, stop: ['<END>'] })) + send(agent, 'again') + await waitForIdle(ctx, agent) + + expect(adapter.requests).toHaveLength(3) + const events = agent.session.events + const stepStarts = events.filter(e => e.type === 'step/start') + expect(stepStarts).toHaveLength(3) + + adapter.requests.forEach((request, index) => { + const stepStart = stepStarts[index]! + // Messages: the derivation over the log prefix strictly before this + // step's step/start — rebuilt here through a completely fresh Session. + const rebuilt = new Session(SessionId(`rebuild-${index}`), structuredClone(events.slice(0, stepStart.seq))) + expect(structuredClone(request.messages)).toEqual(rebuilt.deriveMessages()) + + // Header: the fold of request/header* events up to this step's dispatch + // (its header event sits between step/start and the first chunk). + const firstChunk = events.find(e => e.type === 'assistant/chunk' && e.seq > stepStart.seq)! + const header = foldRequestHeader(events.slice(0, firstChunk.seq))! + expect(request.model).toBe(header.config.model) + expect(request.system).toEqual(header.system) + expect(structuredClone(request.tools ?? [])).toEqual(structuredClone(header.tools ?? [])) + expect(request.temperature).toBe(header.config.temperature) + expect(request.maxTokens).toBe(header.config.maxTokens) + expect(request.stop).toEqual(header.config.stop) + }) + }) +}) diff --git a/packages/core/agent-loop/tests/review-fixes.spec.ts b/packages/core/agent-loop/tests/review-fixes.spec.ts index eddc69a2e6..e487a2c428 100644 --- a/packages/core/agent-loop/tests/review-fixes.spec.ts +++ b/packages/core/agent-loop/tests/review-fixes.spec.ts @@ -399,9 +399,8 @@ describe('MEDIUM: misc registry and config fixes', () => { const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), {}) // no model — router plugin decides - ctx.on('agent/request', async (_agent, _turn, _step, options, next) => { - options.model = 'mock' - return next() + ctx.on('agent/request', async (_agent, _turn, _step, config, _next) => { + return { ...config, model: 'mock' } }) send(agent, 'go') @@ -410,7 +409,7 @@ describe('MEDIUM: misc registry and config fixes', () => { expect(agent.session.deriveMessages().at(-1)?.content).toEqual([{ type: 'text', text: 'routed' }]) }) - it('agent/queued carries the resolved source; agent/steering carries its source', async () => { + it('agent/queued carries the resolved source; steering/message records its source', async () => { const adapter = new MockAdapter([toolCallResponse('c1', 'noop', {}), textResponse('done')]) const ctx = await harness(adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) @@ -425,15 +424,16 @@ describe('MEDIUM: misc registry and config fixes', () => { })) const queuedSources: { source: MessageSource; steering: boolean }[] = [] - const steeringSources: MessageSource[] = [] ctx.on('agent/queued', (_agent, _content, info) => void queuedSources.push(info)) - ctx.on('agent/steering', (_agent, _turn, _content, source) => void steeringSources.push(source)) send(agent, 'go') // no explicit source → default {kind:'user'} must be visible await waitForIdle(ctx, agent) expect(queuedSources[0]).toEqual({ source: { kind: 'user' }, steering: false }) expect(queuedSources[1]).toEqual({ source: { kind: 'plugin', plugin: 'goal' }, steering: true }) + // The drain appends the durable steering/message with the caller's source + // intact — the log, not a transient emit, is where consumers read it. + const steeringSources = agent.session.events.flatMap(e => e.type === 'steering/message' ? [e.data.source] : []) expect(steeringSources).toEqual([{ kind: 'plugin', plugin: 'goal' }]) }) }) @@ -1015,7 +1015,7 @@ describe('disposal/cancel honored during pre-step assembly (P1-1)', () => { ctx.llm.registerAdapter(['mock'], adapter) // Blocking listener on the parent context (survives fiber disposal). - const unlisten = ctx.on('system-prompt/assemble', async function (_assembly, next) { + const unlisten = ctx.on('system-prompt/assemble', async function (_assembly, _context, next) { await blocked return next() }) @@ -1071,7 +1071,7 @@ describe('disposal/cancel honored during pre-step assembly (P1-1)', () => { await ctx.plugin(Invariants, { freeze: false }) ctx.llm.registerAdapter(['mock'], adapter) - const unlisten = ctx.on('system-prompt/assemble', async function (_assembly, next) { + const unlisten = ctx.on('system-prompt/assemble', async function (_assembly, _context, next) { await blocker return next() }) @@ -1228,7 +1228,7 @@ describe('disposal/cancel honored during pre-step assembly (P1-1)', () => { await ctx.plugin(Invariants, { freeze: false }) ctx.llm.registerAdapter(['mock'], adapter) - ctx.on('system-prompt/assemble', async function (_assembly, next) { + ctx.on('system-prompt/assemble', async function (_assembly, _context, next) { await blocker return next() }) diff --git a/packages/core/agent-loop/tests/tool-order.spec.ts b/packages/core/agent-loop/tests/tool-order.spec.ts new file mode 100644 index 0000000000..35329ce679 --- /dev/null +++ b/packages/core/agent-loop/tests/tool-order.spec.ts @@ -0,0 +1,117 @@ +/** + * Loop-level tool-order determinism: the request/header event — and therefore + * the frozen request the adapter receives — carries the assembly's canonical + * tool order (system-prompt's `toolOrder` config, or lexicographic name + * order), regardless of the order tool plugins happened to register in. + * Registration order is a plugin-load artifact (concurrent dynamic imports + * race), so nothing downstream of the registry may depend on it. + */ + +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore, { foldRequestHeader } from '@deepseek-ai/dsh-session' +import SystemPrompt, { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt' +import type { Config as SystemPromptConfig } from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry, { defineTool } from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop, { ReactLoopAgent } from '@deepseek-ai/dsh-agent-loop' +import { MockAdapter, textResponse } from './mock-adapter.ts' + +async function harness(adapter: MockAdapter, toolOrder?: SystemPromptConfig['toolOrder']) { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt, { persona: 'stable base', ...toolOrder !== undefined ? { toolOrder } : {} }) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { agents: [] }) + ctx.llm.registerAdapter(['mock'], adapter) + return ctx +} + +function waitForIdle(ctx: Context, agent: ReactLoopAgent): Promise<void> { + return new Promise((resolve) => { + const dispose = ctx.on('agent/status', (subject, status) => { + if (subject === agent && status === 'idle') { + dispose() + resolve() + } + }) + }) +} + +function registerNamed(ctx: Context, name: string) { + ctx.tools.register(defineTool({ + name, + description: `the ${name} tool`, + parameters: {}, + async execute() { + return [{ type: 'text', text: name }] + }, + })) +} + +/** Run one text-only turn and return the harness context + agent. */ +async function runTurn(registrationOrder: string[], toolOrder?: SystemPromptConfig['toolOrder']) { + const adapter = new MockAdapter([textResponse('done')]) + const ctx = await harness(adapter, toolOrder) + for (const name of registrationOrder) registerNamed(ctx, name) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + return { ctx, agent, adapter } +} + +describe('loop-level canonical tool order', () => { + it('logs the request/header with tools in canonical order, not registration order', async () => { + const { agent, adapter } = await runTurn(['zulu', 'alpha', 'mike']) + const header = foldRequestHeader(agent.session.events) + expect(header?.tools?.map(tool => tool.name)).toEqual(['alpha', 'mike', 'zulu']) + // The dispatched request is built FROM the logged header (whose tools the + // assembly already canonicalized) and reaches the adapter deep-frozen — + // the marker the reconstruction invariant keys on. + expect(adapter.requests[0]?.tools?.map(tool => tool.name)).toEqual(['alpha', 'mike', 'zulu']) + expect(Object.isFrozen(adapter.requests[0])).toBe(true) + expect(adapter.requests[0]?.sessionId).toBe(agent.session.id) + }) + + it('produces the same header order for any registration order', async () => { + const first = await runTurn(['alpha', 'mike', 'zulu']) + const second = await runTurn(['zulu', 'mike', 'alpha']) + const names = (run: typeof first) => foldRequestHeader(run.agent.session.events)?.tools?.map(tool => tool.name) + expect(names(first)).toEqual(['alpha', 'mike', 'zulu']) + expect(names(second)).toEqual(names(first)) + }) + + it('honors a configured toolOrder in the logged header and the dispatched request', async () => { + const { agent, adapter } = await runTurn(['alpha', 'zulu', 'mike'], ['zulu', TOOL_ORDER_REST]) + const header = foldRequestHeader(agent.session.events) + expect(header?.tools?.map(tool => tool.name)).toEqual(['zulu', 'alpha', 'mike']) + expect(adapter.requests[0]?.tools?.map(tool => tool.name)).toEqual(['zulu', 'alpha', 'mike']) + expect(Object.isFrozen(adapter.requests[0])).toBe(true) + }) + + it('fails the turn — no model request — when toolOrder names an unregistered tool', async () => { + // The assemble rejection escapes to runTurn's outer catch: the open turn + // closes with an `error` reason (agent/error mirrors it), no step opens, + // no request/header is logged, the adapter never sees a request, and the + // agent returns to idle — a misconfigured deployment fails every turn + // deterministically instead of silently reordering nothing. + const adapter = new MockAdapter([textResponse('never sent')]) + const ctx = await harness(adapter, ['ghost', TOOL_ORDER_REST]) + registerNamed(ctx, 'alpha') + const errors: Error[] = [] + ctx.on('agent/error', (_agent, _turn, _step, error) => void errors.push(error)) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + expect(adapter.requests).toHaveLength(0) + expect(errors.map(e => e.message)).toEqual(['toolOrder lists unregistered tool "ghost"; registered tools: alpha']) + expect(foldRequestHeader(agent.session.events)).toBeUndefined() + const end = agent.session.events.find(e => e.type === 'turn/end') + expect(end?.type === 'turn/end' && end.data.reason).toMatchObject({ kind: 'error', step: 1 }) + // The turn is balanced (turn/start → turn/end) with no step events inside. + expect(agent.session.events.some(e => e.type === 'step/start')).toBe(false) + }) +}) diff --git a/packages/core/agent/README.md b/packages/core/agent/README.md index f4eb61c2bd..8ad204c579 100644 --- a/packages/core/agent/README.md +++ b/packages/core/agent/README.md @@ -43,16 +43,16 @@ Turn and step boundaries are NOT mirrored as `agent/*` emits: a consumer that ne - `agent/session-start` (emit) — fired once before the first turn; a listener seeds context via `agent.inject()` (it cannot veto startup). - `agent/prompt-submit` — decide what happens to one drained queued message before it becomes a `user/message`: `PromptDecision` = `allow` (optionally rewriting the prompt `content` or attaching `additionalContext`) or `block` (drop it; a batch whose every prompt is blocked opens a zero-step turn that ends `rejected`). Maps onto Claude Code's `UserPromptSubmit`. -- `agent/pre-step` (serial) — mutate the session surface before the step opens and history is derived (compaction). Fires after `turn/start` and before `step/start`, so a listener's appended events land outside the step. -- `agent/request` — mutate `GenerateOptions` before the model call (hooks, model switching, tool filtering) +- `agent/pre-step` (serial) — mutate the session surface before the step opens and history is derived (compaction). Fires after `turn/start` and before `step/start`, so a listener's appended events land outside the step; carries the assembled system prompt and the instance's composed session prefix so a token-pressure gate counts everything the request will carry. +- `agent/request` — shape the call config before the model call: a frozen `LlmCallConfig` seed in, a replacement out (model switching, sampling overrides). Content is not shapeable here — every request is a pure function of the session log ([reconstructability RFC](../../../docs/rfc/implemented/architecture/2026-07-05-reconstructable-requests.md)); the loop logs whatever config the request actually uses as a `request/header*` event +- `agent/session-prefix` — compose the session prefix: request-only messages placed in front of the ENTIRE derived history on every request. Fired ONCE per loop instance, lazily before its first pre-step (so pressure gates see this instance's real prefix, never a previous instance's logged one); the composed result is deep-frozen, recorded as `EpochHeader.messagePrefix` on the anchoring `request/header` snapshot, and reused verbatim afterwards — the prefix cannot change mid-session, so the provider prefix cache holds by construction (resume = a new instance = a recompose, attributably anchored by its `'resume'` snapshot). The home for session-stable openers that must not become durable history (a skills catalog, an AGENTS.md digest); `deriveMessages()` never returns it. Content that CHANGES mid-session belongs in the append-only history channels instead — `agent.inject()`, `tools/post-execute` `additionalContext`, prompt-submit `additionalContext` — each a durable `context/message` paid once and prefix-cached thereafter - `agent/step-result` — post-process the assembled assistant message before tool dispatch (validates what the log records) - `agent/turn-continuation` — override the continue/stop decision via `ContinuationDecision` = `{action:'stop'}` or `{action:'continue', reason?}` (a `continue` `reason` is recorded as next-step steering in the same turn — the typed `/goal` pattern). Force-continue `/loop`, force-stop budget guard. Tool interception is the `tools/pre-execute` / `tools/post-execute` pair in [`dsh-tools`](../tools/README.md) (`PreToolDecision` allow/deny/ask, `PostToolDecision` accept/block) — same typed-Decision idiom, owned there because it is the tool registry's seam. -#### Live control notifications (emit) +#### Error notifications (emit) -- `agent/steering` — steering content injected mid-turn - `agent/error` — step/turn error The model's token stream is NOT an `agent/*` event: read it off the durable `session/event` feed as `assistant/chunk` (the same feed persistence and the ACP bridge use). diff --git a/packages/core/agent/package.json b/packages/core/agent/package.json index fa6946b8cf..e38a6c8d61 100644 --- a/packages/core/agent/package.json +++ b/packages/core/agent/package.json @@ -25,12 +25,14 @@ "@deepseek-ai/dsh-brand": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-system-prompt": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "devDependencies": { "@deepseek-ai/dsh-brand": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/core/agent/src/index.ts b/packages/core/agent/src/index.ts index ec9ba796b9..096555f925 100644 --- a/packages/core/agent/src/index.ts +++ b/packages/core/agent/src/index.ts @@ -49,7 +49,7 @@ export interface CreateAgentOptions { * for a fresh (spawn) child. */ seed?: SessionEvent[] - /** Per-agent options (model, system prompt). */ + /** Per-agent options (model, …). */ agentOptions?: AgentOptions } @@ -62,7 +62,7 @@ export interface ResumeAgentOptions { agentId: AgentId /** The persisted session id to load and resume on. */ resumeSessionId: SessionId - /** Per-agent options (model, system prompt). */ + /** Per-agent options (model, …). */ agentOptions?: AgentOptions } diff --git a/packages/core/agent/src/types.ts b/packages/core/agent/src/types.ts index cbc6743870..2bde463be5 100644 --- a/packages/core/agent/src/types.ts +++ b/packages/core/agent/src/types.ts @@ -17,10 +17,11 @@ * consumer that wants the live transcript subscribes here. * - **`agent/*`** (this module) — the LIVE runtime surface. Always carries the * live `Agent`. Two shapes: INTERCEPTION seams (the `agent/prompt-submit`/ - * `agent/request`/`agent/step-result`/`agent/turn-continuation` waterfalls and + * `agent/request`/`agent/session-prefix`/`agent/step-result`/ + * `agent/turn-continuation` waterfalls and * the serial `agent/pre-step`) that mutate/veto, and TRANSIENT emits * (`agent/status`, `agent/error`, `agent/created`/ - * `agent/disposed`, `agent/queued`, `agent/steering`, `agent/session-start`) + * `agent/disposed`, `agent/queued`, `agent/session-start`) * that notify with the `Agent` in hand. Turn/step boundaries are NOT here — * they are durable `session/event` records. Answers "right now, with the agent * object — intercept or observe." @@ -44,32 +45,62 @@ */ import type { Branded } from '@deepseek-ai/dsh-brand' -import type { ContentBlock, GenerateOptions, Message, MessageSource } from '@deepseek-ai/dsh-llm' +import type { ContentBlock, LlmCallConfig, Message, MessageSource } from '@deepseek-ai/dsh-llm' +import type {} from '@deepseek-ai/dsh-system-prompt' /** Identifies one live agent in the registry. */ export type AgentId = Branded<'AgentId'> -/** Brand a string as an {@link AgentId}. */ +/** + * Brand a string as an {@link AgentId}. + * @param id - the raw agent id string. + * @returns the same string, branded (a compile-time cast — no runtime cost). + */ export function AgentId(id: string): AgentId { return id as AgentId } import type { Session } from '@deepseek-ai/dsh-session' +declare module '@deepseek-ai/dsh-system-prompt' { + interface AssembleContext { + /** + * The agent this assembly is for. The agent loop passes it on every + * per-step `assemble({ agent })`; variable providers project per-agent + * facts from it (`options.model` → `{{model}}`, `session.header.cwd` → + * `{{cwd}}`). Optional because a bare `assemble()` (tests, diagnostics) + * has no agent — providers must tolerate its absence. + */ + agent?: Agent + } +} + /** - * Options an agent is created with. + * Options an agent is created with. The persona is NOT here — it is the + * deployment's `persona` config on the dsh-system-prompt plugin, shared by + * every agent in the context. * Merge-extensible: plugins declare extra fields via declaration merging. */ export interface AgentOptions { /** Model name (must have a registered adapter at call time). */ model?: string - /** Per-agent system prompt appended after the assembled sections. */ - systemPrompt?: string } +/** + * Options for {@link Agent.send}/{@link Agent.steer}/{@link Agent.inject}. An + * absent `source` resolves to `{ kind: 'user' }`, so a plugin supplying content + * must label itself here or its message is recorded as a user prompt (see + * {@link HookContext} on why that label is load-bearing). + */ export interface SendOptions { source?: MessageSource } +/** + * An agent's lifecycle state, emitted on every transition as `agent/status`: + * `idle` (parked, waiting for queued work), `running` (a turn is in progress), + * `disposed` (terminal — no transition leaves it, and `send`/`steer`/`inject` + * throw). + */ export type AgentStatus = 'idle' | 'running' | 'disposed' /** @@ -302,21 +333,28 @@ declare module 'cordis' { * value; this event is typed and documented as `void`, so listeners must not * return a semantic veto value. `fullSystemPrompt` is the assembled prompt a * listener needs to measure pressure (the system prompt counts toward the - * budget). `signal` cancels any in-flight work a listener starts (e.g. a + * budget), and `sessionPrefix` is the instance's composed + * {@link agent/session-prefix} product for the same reason — every request + * carries it in front of the derived history, and it is composed BEFORE + * this seam fires precisely so a pressure gate counts the prefix the + * request will actually send (never a stale logged one). `signal` cancels + * any in-flight work a listener starts (e.g. a * summarization model call). * @param agent - the agent about to open the step. * @param turn - the already-open turn this step belongs to. * @param step - the number of the step about to start. * @param fullSystemPrompt - the assembled prompt, for measuring token pressure. + * @param sessionPrefix - the instance's frozen session prefix, for the same measurement. * @param signal - aborts in-flight listener work when the turn is torn down. * @mode serial */ - // TODO: `fullSystemPrompt` is a smell on a generic per-step seam — compaction - // is its only consumer, so a wide event carries a string just one listener + // TODO: `fullSystemPrompt`/`sessionPrefix` are a smell on a generic + // per-step seam — compaction + // is their only consumer, so a wide event carries payloads just one listener // reads. Revisit if no second consumer appears: e.g. hand listeners a lazy // prompt provider, or move token-pressure measurement behind a // compaction-specific seam instead of the shared pre-step checkpoint. - 'agent/pre-step'(agent: Agent, turn: number, step: number, fullSystemPrompt: string, signal: AbortSignal): Promise<void> | void + 'agent/pre-step'(agent: Agent, turn: number, step: number, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal): Promise<void> | void /** * Waterfall: decide what happens to ONE drained queued message before it * becomes a `user/message` — allow (optionally rewriting the prompt bytes or @@ -331,18 +369,76 @@ declare module 'cordis' { */ 'agent/prompt-submit'(agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise<PromptDecision>): Promise<PromptDecision> /** - * Waterfall: mutate the fully-assembled {@link GenerateOptions} before the - * model call (hooks, model switching, tool filtering, …). Call `next()` to - * delegate, or return without it to short-circuit. For surface mutation that - * must precede history derivation (compaction), use {@link agent/pre-step} - * instead — by the time this fires, `options.messages` is already derived. + * Waterfall: shape the step's call configuration — model switching, + * sampling overrides — by returning a replacement {@link LlmCallConfig} + * (the frozen seed is the config the loop would otherwise use). Config is + * ALL a listener shapes here: every request is a pure function of the + * session log (the reconstructability RFC), so model-visible content + * flows through the log channels — `inject()`, steering, prompt-submit + * `additionalContext`, prompt sections via `system-prompt/assemble`, or + * the header-logged session prefix via {@link agent/session-prefix} + * — never through request mutation, and the loop records whatever config + * the request actually uses as a `request/header*` event before dispatch. + * The step's messages are already snapshotted when this fires (the + * `step/start` boundary): an `inject()` from a listener here lands in the + * log but joins the NEXT request. For surface mutation that must precede + * the snapshot (compaction), use {@link agent/pre-step}. Call `next()` to + * delegate, or return an {@link LlmCallConfig} without it to + * short-circuit. * @param agent - the agent making the model call. * @param turn - the open turn number. * @param step - the step whose request this is. - * @param options - the assembled request; listeners return a transformed copy. + * @param config - the config the loop would use (frozen); return a replacement to switch. * @mode waterfall */ - 'agent/request'(agent: Agent, turn: number, step: number, options: GenerateOptions, next: () => Promise<GenerateOptions>): Promise<GenerateOptions> + 'agent/request'(agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise<LlmCallConfig>): Promise<LlmCallConfig> + /** + * Waterfall: compose the SESSION PREFIX — request-only messages placed in + * front of the ENTIRE derived history (directly after the provider's + * system slot) on every request this loop instance sends. Fired ONCE per + * loop instance, lazily before its first step's {@link agent/pre-step} + * seam — BEFORE the pre-step so a token-pressure gate (compaction) counts + * the prefix this instance will actually send, never a previous + * instance's logged one. The composed + * result is deep-frozen, recorded as `EpochHeader.messagePrefix` on the + * instance's anchoring `'initial'`/`'resume'` header snapshot, and reused + * verbatim for every subsequent request — never recomputed mid-session, + * so the provider prefix cache holds by construction (a process restart + * or `ctx.agents.resume()` is a new instance: it recomposes, and any + * drift lands attributably on the `'resume'` snapshot). Composition runs + * outside the step, before the boundary snapshot: a composing listener's + * session append joins the CURRENT request's derived history. A + * composition interrupted by a cancel/dispose landing inside the + * waterfall is discarded — never cached, logged, or sent — and the next + * turn recomposes under a live signal, so an abort-aware listener's + * degraded fallback cannot leak into later requests. + * + * This is the home for session-stable openers the model must always see + * but that must NOT become durable history — a skills catalog, an + * AGENTS.md digest, a workspace baseline: `Session.deriveMessages()` + * never returns the prefix, and the header events are its only durable + * record, so the request stays reconstructable from the log. Content + * that CHANGES mid-session belongs in the append-only history channels + * instead — `agent.inject()`, a `tools/post-execute` decision's + * `additionalContext`, prompt-submit `additionalContext` — each a + * durable `context/message` paid once and prefix-cached thereafter. + * + * The seed is a frozen empty list; a contributing listener returns a NEW + * array — never an in-place push. The canonical contribution is a + * PREPEND, `[mine, ...await next()]`: the waterfall unwinds + * innermost-first (the LAST-registered listener's `next()` resolves + * first), so prepending yields registration order on the wire, and every + * plugin using it composes deterministically. The append form + * `[...await next(), mine]` is legal but places a contribution AFTER + * every later-registered plugin's — reverse registration order when all + * contributors append. Call `next()` to + * delegate, or return a list without it to short-circuit. + * @param agent - the agent whose session prefix is being composed. + * @param prefix - the frozen empty seed; return an extended replacement to contribute. + * @param signal - aborts in-flight listener work (e.g. a discovery scan) when the step is torn down. + * @mode waterfall + */ + 'agent/session-prefix'(agent: Agent, prefix: Message[], signal: AbortSignal, next: () => Promise<Message[]>): Promise<Message[]> /** * Waterfall: post-process the assembled assistant {@link Message} before * tool dispatch (validation, content rewriting, …). @@ -367,16 +463,7 @@ declare module 'cordis' { */ 'agent/turn-continuation'(agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise<ContinuationDecision>): Promise<ContinuationDecision> - // ---- streaming + tool notifications (emit) ---- - /** - * Steering content was injected into a running turn. - * @param agent - the agent that absorbed the steering. - * @param turn - the running turn that received it. - * @param content - the injected blocks. - * @param source - the steering message's resolved source. - * @mode emit - */ - 'agent/steering'(agent: Agent, turn: number, content: ContentBlock[], source: MessageSource): void + // ---- error notifications (emit) ---- /** * A step or turn errored. The loop reports a failure here (plus the logger) * even when the error has no in-turn position for a session `error` event. diff --git a/packages/core/agent/tests/verify-export-jsdoc.spec.ts b/packages/core/agent/tests/verify-export-jsdoc.spec.ts new file mode 100644 index 0000000000..b699a72765 --- /dev/null +++ b/packages/core/agent/tests/verify-export-jsdoc.spec.ts @@ -0,0 +1,555 @@ +/** + * Negative-path tests for the export-surface JSDoc gate + * (`scripts/verify-export-jsdoc.ts`). + * + * The gate's positive half runs against the real tree in CI (`pnpm run + * verify-export-jsdoc`, part of doc-sync). What that run cannot prove is that + * the walk REJECTS an undocumented surface the way it promises to — and that + * every deliberate exemption (heritage members, plugin-protocol slots, + * constructors, overload implementations, augmentation bodies, re-exports) + * actually holds. These tests drive `collectExportJsdocViolations()` against + * synthetic fixture packages, mirroring the gen-cordis-catalog negative + * tests. + */ + +import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { dirname, join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { collectExportJsdocViolations } from '../../../../scripts/verify-export-jsdoc.ts' + +const roots: string[] = [] + +afterEach(() => { + while (roots.length) rmSync(roots.pop()!, { recursive: true, force: true }) +}) + +/** Write fixture files under `packages/group/fix/src/` and return the scan root. */ +function fixture(files: Record<string, string>): string { + const root = mkdtempSync(join(tmpdir(), 'export-jsdoc-')) + roots.push(root) + for (const [rel, content] of Object.entries(files)) { + const abs = join(root, 'packages', 'group', 'fix', 'src', rel) + mkdirSync(dirname(abs), { recursive: true }) + writeFileSync(abs, content) + } + return root +} + +/** Single-file fixture shorthand: the content becomes `src/index.ts`. */ +const make = (content: string): string => fixture({ 'index.ts': content }) + +describe('verify-export-jsdoc functions and consts', () => { + it('accepts a fully documented surface', () => { + expect(collectExportJsdocViolations(make(` +/** + * Add one to a count. + * @param n - the count to bump. + * @returns the count plus one. + */ +export function bump(n: number): number { return n + 1 } + +/** + * Fire-and-forget (void needs no @returns). + * @param flag - whether to arm. + */ +export function poke(flag: boolean): void { void flag } + +/** The default retry budget. */ +export const RETRIES = 3 + +/** + * Halve a count. + * @param n - the count to halve. + * @returns the count halved. + */ +export const halve = (n: number): number => n / 2 +`))).toEqual([]) + }) + + it('flags an exported function with no JSDoc at all', () => { + expect(collectExportJsdocViolations(make( + 'export function bare(): void {}\n', + ))).toEqual([expect.stringMatching(/exported function 'bare' .* has no JSDoc\./)]) + }) + + it('flags a missing @param and a missing @returns', () => { + const violations = collectExportJsdocViolations(make( + '/** Docs without tags. */\nexport function f(x: number): number { return x }\n', + )) + expect(violations).toEqual([ + expect.stringMatching(/exported function 'f' .* is missing @param x\./), + expect.stringMatching(/exported function 'f' .* is missing @returns \(return type: number\)\./), + ]) + }) + + it('flags an unannotated (inferred) return type', () => { + expect(collectExportJsdocViolations(make( + '/**\n * Docs.\n * @param x - value.\n */\nexport function f(x: number) { return x }\n', + ))).toEqual([expect.stringMatching(/no return type annotation/)]) + }) + + it('flags tags-only JSDoc with no description prose', () => { + expect(collectExportJsdocViolations(make( + '/**\n * @param x - value.\n */\nexport function f(x: number): void {}\n', + ))).toEqual([expect.stringMatching(/no description prose above its block tags/)]) + }) + + it('flags a stale @param and a binding-pattern parameter', () => { + const violations = collectExportJsdocViolations(make( + '/**\n * Docs.\n * @param ghost - not real.\n */\nexport function f({ a }: { a: number }): void {}\n', + )) + expect(violations).toEqual([ + expect.stringMatching(/parameter '\{ a \}' is a binding pattern; the export surface needs simple identifier parameters/), + expect.stringMatching(/@param ghost does not match any parameter \(stale tag\?\)/), + ]) + }) + + it('exempts a `this` receiver annotation from @param', () => { + expect(collectExportJsdocViolations(make( + '/**\n * Docs.\n * @param x - value.\n */\nexport function f(this: object, x: number): void {}\n', + ))).toEqual([]) + }) + + it('waives @returns for a declarator-annotated const but not an unannotated one', () => { + expect(collectExportJsdocViolations(make(` +type Fn = (x: number) => number +/** + * Uses the named signature. + * @param x - value. + */ +export const good: Fn = x => x +/** + * No signature anywhere. + * @param x - value. + */ +export const bad = (x: number) => x +`))).toEqual([expect.stringMatching(/exported const 'bad' .* has no return type annotation/)]) + }) + + it('requires description prose on a non-function const', () => { + expect(collectExportJsdocViolations(make( + 'export const LIMIT = 10\n', + ))).toEqual([expect.stringMatching(/exported const 'LIMIT' .* has no JSDoc\./)]) + }) +}) + +describe('verify-export-jsdoc type-level exports', () => { + it('requires description prose on interfaces, type aliases, and enums', () => { + const violations = collectExportJsdocViolations(make( + 'export interface I { a: number }\nexport type T = number\nexport enum E { A }\n', + )) + expect(violations).toEqual([ + expect.stringMatching(/exported interface 'I' .* has no JSDoc\./), + expect.stringMatching(/exported type 'T' .* has no JSDoc\./), + expect.stringMatching(/exported enum 'E' .* has no JSDoc\./), + ]) + }) + + it('skips `declare module` augmentation bodies (the cordis gate owns them)', () => { + expect(collectExportJsdocViolations(make( + "declare module 'cordis' {\n interface Events {\n 'fix/x'(): void\n }\n}\nexport {}\n", + ))).toEqual([]) + }) +}) + +describe('verify-export-jsdoc export forms', () => { + it('resolves an `export { … }` list to the local declaration', () => { + expect(collectExportJsdocViolations(make( + 'function f(): void {}\nexport { f }\n', + ))).toEqual([expect.stringMatching(/exported function 'f' .* has no JSDoc\./)]) + }) + + it('does not treat a never-exported sibling declarator as surface (review round 2)', () => { + // `export { publicValue }` resolves to the whole variable statement; only + // the named declarator is surface — the gate must not demand JSDoc for + // the private sibling sharing the statement. + expect(collectExportJsdocViolations(make( + '/** The public knob. */\nconst publicValue = 1, privateHelper = 2\nexport { publicValue }\nvoid privateHelper\n', + ))).toEqual([]) + }) + + it('unions declarators across multiple export lists over one statement (review round 2)', () => { + // Two lists each name one declarator of the same undocumented statement: + // both are surface (deduplicating on first resolution would drop `b`), + // while the never-exported `c` stays out. + const violations = collectExportJsdocViolations(make( + 'const a = 1, b = 2, c = 3\nexport { a }\nexport { b }\nvoid c\n', + )) + expect(violations).toEqual([ + expect.stringMatching(/exported const 'a' .* has no JSDoc\./), + expect.stringMatching(/exported const 'b' .* has no JSDoc\./), + ]) + }) + + it('scopes a default-export identifier to its own declarator (review round 2)', () => { + // `export default` of an identifier reaches the statement through the + // same name lookup as an export list; the sibling stays private. + expect(collectExportJsdocViolations(make( + '/** The app entry. */\nconst app = 1, scratch = 2\nexport default app\nvoid scratch\n', + ))).toEqual([]) + }) + + it('reports a re-exported module once, at its defining file', () => { + const violations = collectExportJsdocViolations(fixture({ + 'index.ts': "export * from './other.ts'\n", + 'other.ts': 'export function f(): void {}\n', + })) + expect(violations).toEqual([expect.stringMatching(/other\.ts:1\) has no JSDoc\./)]) + }) + + it('exempts overload implementations when the signatures are documented', () => { + expect(collectExportJsdocViolations(make(` +/** + * From a number. + * @param x - the number. + * @returns its text. + */ +export function f(x: number): string +/** + * From a flag. + * @param x - the flag. + * @returns its text. + */ +export function f(x: boolean): string +export function f(x: number | boolean): string { return String(x) } +`))).toEqual([]) + }) +}) + +describe('verify-export-jsdoc classes', () => { + it('flags an undocumented class, method, property, and accessor', () => { + const violations = collectExportJsdocViolations(make(` +export class C { + state = 1 + get view(): number { return this.state } + run(x: number): number { return x } +} +`)) + expect(violations).toEqual([ + expect.stringMatching(/exported class 'C' .* has no JSDoc\./), + expect.stringMatching(/exported class property 'C.state' .* has no JSDoc\./), + expect.stringMatching(/exported class accessor 'C.view' .* has no JSDoc\./), + expect.stringMatching(/exported class method 'C.run' .* has no JSDoc\./), + ]) + }) + + it('exempts members declared by an extends/implements heritage type', () => { + expect(collectExportJsdocViolations(make(` +/** Seam. */ +export abstract class Base { + /** + * Do it. + * @param x - input. + * @returns output. + */ + abstract run(x: number): number +} +/** Iface. */ +export interface Sized { + /** Byte size. */ + size: number +} +/** Impl. */ +export class Impl extends Base implements Sized { + size = 0 + run(x: number): number { return x } +} +`))).toEqual([]) + }) + + it('skips private/protected/#private members and constructors', () => { + expect(collectExportJsdocViolations(make(` +/** Documented. */ +export class C { + #secret = 1 + private hidden(): void {} + protected hook(): void {} + constructor(x: number) { void x } +} +`))).toEqual([]) + }) + + it('exempts plugin-protocol statics but checks other statics', () => { + const violations = collectExportJsdocViolations(make(` +/** Plugin. */ +export class C { + static Config = { a: 1 } + static inject = ['bash'] + static reusable = true + static other = 1 +} +`)) + expect(violations).toEqual([expect.stringMatching(/exported class property 'C.other' .* has no JSDoc\./)]) + }) + + it("covers a set accessor by the getter's doc", () => { + expect(collectExportJsdocViolations(make(` +/** Documented. */ +export class C { + /** The current width. */ + get width(): number { return 1 } + set width(_v: number) {} +} +`))).toEqual([]) + }) +}) + +describe('verify-export-jsdoc plugin protocol and namespaces', () => { + it('exempts top-level plugin-protocol exports', () => { + expect(collectExportJsdocViolations(make(` +export const name = 'fix' +export const inject = ['bash'] +export const reusable = true +export const Config = { parse: true } +export function apply(): void {} +`))).toEqual([]) + }) + + it('recurses into namespaces with qualified names and honors the merge idiom', () => { + const violations = collectExportJsdocViolations(make(` +/** The plugin class. */ +export class Fix {} +export namespace Fix { + export interface Config { a: number } +} +export namespace Loose { + export const x = 1 +} +`)) + expect(violations).toEqual([ + expect.stringMatching(/exported interface 'Fix.Config' .* has no JSDoc\./), + expect.stringMatching(/exported namespace 'Loose' .* has no JSDoc\./), + expect.stringMatching(/exported const 'Loose.x' .* has no JSDoc\./), + ]) + }) +}) + +describe('verify-export-jsdoc fail-closed forms (review round 1)', () => { + it('checks the function contract on a non-identifier default export', () => { + expect(collectExportJsdocViolations(make( + '/** Doubles. */\nexport default (x: number): number => x * 2\n', + ))).toEqual([ + expect.stringMatching(/default export .* is missing @param x\./), + expect.stringMatching(/default export .* is missing @returns \(return type: number\)\./), + ]) + expect(collectExportJsdocViolations(make( + '/**\n * Doubles.\n * @param x - the input.\n * @returns twice the input.\n */\nexport default (x: number): number => x * 2\n', + ))).toEqual([]) + }) + + it('treats an inline function-type annotation as the surface signature', () => { + expect(collectExportJsdocViolations(make( + '/** Maps a number. */\nexport declare const f: (x: number) => number\n', + ))).toEqual([ + expect.stringMatching(/exported const 'f' .* is missing @param x\./), + expect.stringMatching(/exported const 'f' .* is missing @returns \(return type: number\)\./), + ]) + expect(collectExportJsdocViolations(make( + '/**\n * Maps a number.\n * @param x - the input.\n * @returns the mapped value.\n */\nexport const f: (x: number) => number = v => v\n', + ))).toEqual([]) + }) + + it('recurses into an ambient declare namespace where members export implicitly', () => { + expect(collectExportJsdocViolations(make( + 'export declare namespace N {\n function f(x: number): number\n}\n', + ))).toEqual([ + expect.stringMatching(/exported namespace 'N' .* has no JSDoc\./), + expect.stringMatching(/exported function 'N.f' .* has no JSDoc\./), + ]) + }) + + it('requires an export-import alias to document itself (its target may be unwalked)', () => { + expect(collectExportJsdocViolations(make( + '/** Holder. */\nexport namespace N {\n /** The value. */\n export const x = 1\n}\nexport import y = N.x\n', + ))).toEqual([expect.stringMatching(/exported alias 'y' .* has no JSDoc\./)]) + expect(collectExportJsdocViolations(make( + 'namespace N {\n export const x = 1\n}\n/** Alias surfacing the internal counter. */\nexport import y = N.x\n', + ))).toEqual([]) + }) + + it('refuses an export-import alias to a callable, class, or namespace target', () => { + const refusal = /exported alias 'g' .* aliases a callable, class, or namespace target/ + expect(collectExportJsdocViolations(make( + 'namespace N {\n export function f(x: number): number { return x }\n}\n/** Alias. */\nexport import g = N.f\n', + ))).toEqual([expect.stringMatching(refusal)]) + expect(collectExportJsdocViolations(make( + 'namespace N {\n export class C {\n run(x: number): number { return x }\n }\n}\n/** Alias. */\nexport import g = N.C\n', + ))).toEqual([expect.stringMatching(refusal)]) + expect(collectExportJsdocViolations(make( + 'namespace N {\n export namespace Sub {\n export function f(x: number): number { return x }\n }\n}\n/** Alias. */\nexport import g = N.Sub\n', + ))).toEqual([expect.stringMatching(refusal)]) + }) + + it('classifies wrapped function initializers and default exports (parens, satisfies)', () => { + expect(collectExportJsdocViolations(make( + 'type Fn = (x: number) => number\n/** Wrapped. */\nexport const f = (((x: number): number => x)) satisfies Fn\n', + ))).toEqual([ + expect.stringMatching(/exported const 'f' .* is missing @param x\./), + expect.stringMatching(/exported const 'f' .* is missing @returns \(return type: number\)\./), + ]) + expect(collectExportJsdocViolations(make( + 'type Fn = (x: number) => number\n/** Wrapped. */\nexport default (((x: number): number => x * 2) satisfies Fn)\n', + ))).toEqual([ + expect.stringMatching(/default export .* is missing @param x\./), + expect.stringMatching(/default export .* is missing @returns \(return type: number\)\./), + ]) + }) + + it('treats a single-call-signature type literal as the surface signature', () => { + expect(collectExportJsdocViolations(make( + '/** Maps. */\nexport declare const f: { (x: number): number }\n', + ))).toEqual([ + expect.stringMatching(/exported const 'f' .* is missing @param x\./), + expect.stringMatching(/exported const 'f' .* is missing @returns \(return type: number\)\./), + ]) + }) + + it('refuses a hybrid callable type literal instead of narrowing the check', () => { + expect(collectExportJsdocViolations(make( + '/** Hybrid. */\nexport declare const f: { (x: number): number; flush: () => void }\n', + ))).toEqual([expect.stringMatching(/exported const 'f'.*callable type literal is not gate-classifiable; extract a named type/)]) + }) + + it('refuses an export-equals assignment instead of failing open', () => { + expect(collectExportJsdocViolations(make( + 'const x = 1\nexport = x\n', + ))).toEqual([expect.stringMatching(/export-equals assignment .* is not a gate-supported export form/)]) + }) +}) + +describe('verify-export-jsdoc heritage refinement (review round 1)', () => { + it('requires @param for parameters the base member never names', () => { + const violations = collectExportJsdocViolations(make(` +/** Seam. */ +export abstract class Base { + /** + * Do it. + * @param x - input. + * @returns output. + */ + abstract run(x: number): number +} +/** Impl. */ +export class Impl extends Base { + override run(x: number, verbose?: boolean): number { return verbose ? x : -x } +} +`)) + expect(violations).toEqual([expect.stringMatching(/exported class method 'Impl.run' .* is missing @param verbose\./)]) + }) + + it('does not exempt a public override of a protected-only base member', () => { + expect(collectExportJsdocViolations(make(` +/** Seam. */ +export abstract class Base { + /** Subclass hook. */ + protected hook(): void {} +} +/** Impl. */ +export class Impl extends Base { + override hook(): void {} +} +`))).toEqual([expect.stringMatching(/exported class method 'Impl.hook' .* has no JSDoc\./)]) + }) + + it('treats an underscore-prefixed rename of a base parameter as the same parameter', () => { + expect(collectExportJsdocViolations(make(` +/** Seam. */ +export abstract class Base { + /** + * Load it. + * @param cwd - the working directory to scope the lookup. + * @returns the loaded value. + */ + abstract load(cwd: string): number +} +/** Impl (ignores cwd). */ +export class Impl extends Base { + load(_cwd: string): number { return 1 } +} +`))).toEqual([]) + }) + + it('flags a binding-pattern parameter an override adds beyond the base', () => { + expect(collectExportJsdocViolations(make(` +/** Seam. */ +export abstract class Base { + /** + * Do it. + * @param x - input. + * @returns output. + */ + abstract run(x: number): number +} +/** Impl. */ +export class Impl extends Base { + override run(x: number, { verbose }: { verbose?: boolean } = {}): number { return verbose ? x : -x } +} +`))).toEqual([expect.stringMatching(/exported class method 'Impl.run' .* is a binding pattern/)]) + }) + + it('revives the @returns duty when an override grows a concrete result over a void base', () => { + const voidBase = ` +/** Seam. */ +export abstract class Base { + /** Do it (fire-and-forget). */ + abstract run(): void +} +` + expect(collectExportJsdocViolations(make(`${voidBase} +/** Impl. */ +export class Impl extends Base { + override run(): number { return 1 } +} +`))).toEqual([expect.stringMatching(/exported class method 'Impl.run' .* is missing @returns \(return type: number\)\./)]) + expect(collectExportJsdocViolations(make(`${voidBase} +/** Impl. */ +export class Impl extends Base { + /** + * Do it and count. + * @returns how many were done. + */ + override run(): number { return 1 } +} +`))).toEqual([]) + }) + + it('classifies an unannotated override return over a void base via the checker', () => { + const voidBase = ` +/** Seam. */ +export abstract class Base { + /** Do it (fire-and-forget). */ + abstract run(): void +} +` + expect(collectExportJsdocViolations(make(`${voidBase} +/** Impl. */ +export class Impl extends Base { + override run() { return 1 } +} +`))).toEqual([expect.stringMatching(/exported class method 'Impl.run' .* non-void result its heritage declaration does not document/)]) + expect(collectExportJsdocViolations(make(`${voidBase} +/** Impl (faithful void, no annotation needed). */ +export class Impl extends Base { + override run() {} +} +`))).toEqual([]) + }) + + it('keeps the full exemption when the base return already carries the @returns duty', () => { + expect(collectExportJsdocViolations(make(` +/** Seam. */ +export abstract class Base { + /** + * Count things. + * @returns the count. + */ + abstract run(): number +} +/** Impl. */ +export class Impl extends Base { + override run(): number { return 1 } +} +`))).toEqual([]) + }) +}) diff --git a/packages/core/agent/tsconfig.json b/packages/core/agent/tsconfig.json index 4d23ac46d3..7f4f457598 100644 --- a/packages/core/agent/tsconfig.json +++ b/packages/core/agent/tsconfig.json @@ -22,6 +22,9 @@ }, { "path": "../../core/session" + }, + { + "path": "../../core/system-prompt" } ] } diff --git a/packages/core/session/README.md b/packages/core/session/README.md index 96d267c79b..1cc393e172 100644 --- a/packages/core/session/README.md +++ b/packages/core/session/README.md @@ -9,6 +9,7 @@ Creates and holds event-sourced `Session` instances. Persistence is intentionall ### Public API - `ctx.sessions.create(id?: SessionId, options?: { seed?: SessionEvent[]; meta?: { cwd?: string; parentSession?: SessionId; createdAt?: number; seedLength?: number } }): Session` — Create a session. `options.seed` replays/forks an existing event log; `options.meta` attaches creation metadata (validated absolute `cwd`, `parentSession` lineage, seed boundary) as the immutable `SessionHeader`. The store fills `version`/`id` and defaults `createdAt` to now; a caller reconstructing a persisted session passes the original `createdAt` and persisted `seedLength` to preserve them. Disposed with the calling fiber. +- `ctx.sessions.fork(source, boundary?, childSessionId?): Session` — Resolve a live session object or id, select a seed through the inclusive `boundary` event seq (default: current last event), require that boundary to be `turn/end`, and create a live child session with lineage metadata. - `ctx.sessions.get(id: SessionId): Session | undefined` - `ctx.sessions.list(): Session[]` @@ -35,8 +36,9 @@ Creates and holds event-sourced `Session` instances. Persistence is intentionall Plain class (not a Cordis Service). Create via `ctx.sessions.create()`. - `session.append(type, data, opts?): SessionEvent` — synchronous, never blocks on I/O. **Throws** if `data` is not losslessly JSON-serializable (BigInt, function, symbol, undefined, non-finite number, circular ref, or an exotic object like Map/Set/Date) — the event log is the durable source of truth, so this invariant is enforced at the source (exported as `isJsonValue` for backends to reuse on their replay/fork entry points). A third parameter `opts: SurfaceIntent` carries surface metadata: `surfaceOp` controls how the event enters the surface linked list, and `sourceEventSeqs` records provenance (the seq numbers of events this one derives from). It is **required** for the five `SurfaceEventType` events (every message-producing event must declare how it joins the surface) and rejected by the compiler for non-surface types. The marker requirement is enforced two ways: the typed overload makes `opts` mandatory when `type` is a specific `SurfaceEventType` literal, AND `append` **throws** at runtime if a surface-eligible event arrives with no `surfaceOp` — covering the case where `type` widens to the `SessionEventType` union (a caller iterating raw events, where the conditional overload collapses to optional) so a marker-less message event can never silently land in the log and vanish from `deriveMessages()`. -- `session.deriveMessages(): Message[]` — derive the LLM message history by walking the surface linked list (skipping non-surface events like chunks and boundaries; a `replace` shadows the nodes it covers). The surface is the single source of derived history — there is no raw-log fallback. -- `session.surface: SurfaceManager` — the derived surface, lazily rebuilt from `surfaceOp` markers in the log. Processes only new events (delta) on each access — the log is append-only, so prior events never change. +- `session.deriveMessages(): Message[]` — the LLM message history, CACHED: each surface node is projected exactly once, when first seen (O(new nodes) per call; a surface rewrite rebuilds via `surface.replaceGeneration`). Returns a fresh array snapshot per call over SHARED, deep-frozen `Message` objects — cloned once off the log at projection time, so a consumer can never mutate logged data (mutation throws). The surface is the single source of derived history — there is no raw-log fallback. +- `session.deriveEventMessage(event): Message | null` — the per-event projection `deriveMessages()` folds: one event's derived message (an unfrozen clone), or `null` when it produces none (a non-surface event, or an empty-content `assistant/message` hosting only usage). External reconstructors and the dev invariant fold the same function over a log prefix's surface, so no two paths can disagree about what a request's messages were (the reconstructability RFC). +- `session.surface: SurfaceManager` — the derived surface, lazily rebuilt from `surfaceOp` markers in the log. Processes only new events (delta) on each access — the log is append-only, so prior events never change. `surface.replaceGeneration` is the rewrite signal: bumped by every folded `replace` and by `invalidate()`, never reset, so an incremental consumer comparing generations cannot be fooled. - `session.events`, `session.seq`, `session.id` - `session.header: SessionHeader` — immutable creation metadata (`version`, `id`, `createdAt`, optional `cwd`/`parentSession`/`seedLength`). Kept out of the event log (a storage concern, not replayable state); a minimal header (stamped with the current `SESSION_FORMAT_VERSION`) is synthesized for bare `Session` construction. @@ -47,11 +49,15 @@ Plain class (not a Cordis Service). Create via `ctx.sessions.create()`. - `SurfaceNode` — `{ seq: number; prev: number | null; next: number | null }`, one node in the surface linked list. - `isSurfaceEvent(event)` / `isSurfaceEligibleType(type)` — the first narrows a `SessionEvent` to a fully-formed surface node (type is surface-eligible AND `surfaceOp` present); the second is the type-only check (is this one of the five `SurfaceEventType` values?), used to detect a surface-eligible event MISSING its marker — e.g. when validating a seed/load log. +### Request-header reconstruction (`request-header.ts`) + +The `request/header` (full `EpochHeader` snapshot with a `RequestHeaderReason`) and `request/header-delta` (system line-trim / name-keyed tools delta / whole config / whole session prefix) events make the request envelope logged session state, so every conversation request is a pure function of the log. The pure trio reconstructs it: `foldRequestHeader(events)` folds a log (or any prefix) into the header in force; `diffHeader(prev, next)` encodes a change (undefined when equal); `applyHeaderDelta(prev, delta)` replays one. Writer contract: every logged delta is round-trip-verified (`apply(prev, delta)` deep-equals the new header) with a `'fallback'` snapshot when the encoding cannot express the change (a pure tool reordering), so folding never needs error recovery on a well-formed log. `canonicalHeader` pins the one representation of absence (empty system/tools/messagePrefix ≡ absent fields; a delta's EMPTY prefix array encodes the transition back to absence). `EpochHeader.messagePrefix` is the durable record of the `agent/session-prefix` waterfall's product — composed once per loop instance, the request is `messagePrefix + derived history`, and `deriveMessages()` never returns it. + ### Session event vocabulary (`types.ts`) -The append-only log: `turn/start`, `turn/end`, `step/start`, `step/end`, `user/message`, `prompt/blocked`, `assistant/message`, `assistant/chunk`, `tool/call`, `tool/result`, `steering/message`, `context/message`, `todo/write`. Token usage rides on `assistant/message.usage`; an operational error's step is on `turn/end.reason` for `kind: 'error'`. +The append-only log's event types, enumerated member by member — payloads, surface badges, provenance — in the generated [persistence log event catalog](../../../docs/persistence-catalog.md). Token usage rides on `assistant/message.usage`; an operational error's step is on `turn/end.reason` for `kind: 'error'`. -Merge-extensible via `SessionEventMap` — the compaction seam adds `compact/start`, `compact/summary`, and `compact/end`. +Merge-extensible via `SessionEventMap` — a plugin declaration-merges its own types (the compaction seam's `compact/*`, the hook bridges' `hook/*`); merged members appear in the same catalog. Also defines `TurnTriggerMap` and `TurnEndReasonMap` (merge-extensible sum types for typed turn boundaries — `kind`-tagged instead of strings). @@ -67,9 +73,9 @@ Every `SessionEvent` carries two optional top-level fields (structural metadata) ### Extension points - Persistence plugins: subscribe to `session/event` (write-behind) and drain on `session/flush` (awaited) and fiber dispose. A durable backend reads the log and reloads it into a live session; the metadata seam (`SessionHeader`, `session.header`) is what such a backend stores beside the log. -- Replay/fork: `ctx.sessions.create(id, { seed })` seeds a new session with an existing event log. The surface rebuilds deterministically from `surfaceOp` markers in the seeded events. The seed is validated to the SAME invariants `append` enforces — including that every surface-eligible event (`SurfaceEventType`) carries a `surfaceOp` marker — so a marker-less message event is rejected at construction rather than silently vanishing from `deriveMessages()` (the surface is the sole derivation path) on resume. +- Replay/fork: `ctx.sessions.create(id, { seed })` seeds a new session with an existing event log. The surface rebuilds deterministically from `surfaceOp` markers in the seeded events. The seed is validated to the SAME always-on invariants `append` enforces — contiguous seqs, JSON-serializable data, and required `surfaceOp` markers on surface-eligible events — so marker-less message events are rejected at construction rather than silently vanishing from `deriveMessages()`. Broader turn-enclosure checks stay in `dsh-invariants` and persistence repair. Ordinary live-session forks use `ctx.sessions.fork(source, boundary?, childSessionId?)`, where `boundary` is the inclusive source event seq to fork through. - Compaction: the `dsh-compact-basic` plugin appends a `user/message` with `surfaceOp: { op: 'replace', start, end }` to shadow old surface nodes behind a summary checkpoint. ### What is NOT here (TODO) -- **Session branching/tree** (pi-style entry tree) — deferred unless needed beyond seed-based forking. +- **Session branching/tree** (pi-style entry tree) — deferred unless needed beyond boundary-based `fork()`. diff --git a/packages/core/session/src/index.ts b/packages/core/session/src/index.ts index fa9bbb5ba4..cd9e1828b2 100644 --- a/packages/core/session/src/index.ts +++ b/packages/core/session/src/index.ts @@ -8,11 +8,13 @@ import { Context, Service } from 'cordis' import { isAbsolute } from 'node:path' +import { deepFreeze } from '@deepseek-ai/dsh-llm' import type { ContentBlock, Message, MessageSource } from '@deepseek-ai/dsh-llm' import { SESSION_FORMAT_VERSION, SessionId } from './types.ts' -import type { CreateSessionOptions, SessionEvent, SessionEventMap, SessionEventType, SessionHeader, SurfaceIntent, SurfaceEventType } from './types.ts' +import type { CreateSessionOptions, EpochHeader, SessionEvent, SessionEventMap, SessionEventType, SessionHeader, SurfaceIntent, SurfaceEventType } from './types.ts' import { isJsonValue } from './json.ts' import { SurfaceManager, isSurfaceEligibleType } from './surface.ts' +import { foldRequestHeader } from './request-header.ts' export * from './types.ts' export { isJsonValue } from './json.ts' @@ -21,6 +23,7 @@ export { interruptedTurnClosers } from './repair.ts' export type { SurfaceNode } from './surface.ts' export { isSurfaceEvent, isSurfaceEligibleType } from './surface.ts' export { isToolPairingBalanced } from './tool-pairing.ts' +export { applyHeaderDelta, canonicalHeader, diffHeader, foldRequestHeader, headerEquals } from './request-header.ts' declare module 'cordis' { interface Context { @@ -150,10 +153,15 @@ export class Session { this.header = header ?? { version: SESSION_FORMAT_VERSION, id, createdAt: Date.now() } } + /** + * The append-only event log, exposed live by reference (readonly-typed, not + * a snapshot): later appends are visible through the same array. + */ get events(): readonly SessionEvent[] { return this.log } + /** The next event's sequence number — always the log length (the `seq = log.length` contiguity contract). */ get seq(): number { return this.log.length } @@ -172,6 +180,9 @@ export class Session { * declare how it joins the surface, the sole source of derived history) and * rejected by the compiler for non-surface types like `turn/start` or * `assistant/chunk`. + * @returns the logged event — its assigned `seq`/`time` plus the SNAPSHOT of + * `data` that entered the log, so reading `event.data` back sees the logged + * value, never the caller's still-mutable input. * @throws if `data` is not losslessly JSON-serializable (BigInt, function, * symbol, undefined, non-finite number, circular ref, or an exotic object * like Map/Set/Date). The event log is the durable source of truth, so this @@ -234,53 +245,93 @@ export class Session { return event } + /** Cached fold of the request-header events — see {@link requestHeader}. */ + private headerFold: EpochHeader | undefined + /** Log position (events consumed) the header fold has reached. */ + private headerFoldSeq = 0 + + /** + * The {@link EpochHeader} in force after the log's last header event — the + * header the NEXT request will be compared against — or undefined before + * the first `request/header` snapshot. The live, incrementally-maintained + * form of `foldRequestHeader(session.events)`: each header event is folded + * once, when first seen, so a per-step read costs O(new events). + * @returns the folded header, or undefined when no header event exists yet. + */ + requestHeader(): EpochHeader | undefined { + if (this.headerFoldSeq < this.log.length) { + // Frozen on update: the fold is session state exposed by reference — a + // consumer mutating it in place (instead of building a replacement) + // would desync every later comparison against the log, so mutation + // throws instead. + this.headerFold = deepFreeze(foldRequestHeader(this.log.slice(this.headerFoldSeq), this.headerFold)) + this.headerFoldSeq = this.log.length + } + return this.headerFold + } + + /** The derived-message cache: frozen projections, extended per unseen node. */ + private derived: Message[] = [] + /** Surface position (nodes projected) the cache has reached. */ + private derivedNodes = 0 + /** {@link SurfaceManager.replaceGeneration} the cache was built under. */ + private derivedGeneration = 0 + /** * Derive the LLM message history by walking the session surface — the linked * list of message-producing events maintained by `surfaceOp` markers. The * surface is the single source of derived history: every message-producing * append records its `surfaceOp`, so a raw event with no marker (a chunk, a * turn boundary) is correctly absent, and a compaction `replace` deletes the - * shadowed nodes from the derivation. + * shadowed nodes from the derivation. The projection rules are + * {@link deriveEventMessage}, folded per node. * - * - `user/message` → user message - * - `assistant/message` → assistant message (chunks are skipped — they are - * replay/UI data; the assembled message is authoritative for history). An - * EMPTY-content assistant/message is skipped: a max-tokens step cut off with - * no content still records an assistant/message to host its `usage`, but a - * content-less assistant turn must not enter the provider transcript. - * - `tool/result` → user message carrying a tool-result block - * - `context/message` / `steering/message` → tagged synthetic user messages - * at their chronological position - * - * The returned `content` is **deep-cloned** off the logged events: the loop - * hands these messages into the mutable `agent/request` waterfall and on to - * adapters, where mutating the request is sanctioned — but the session log - * is append-only by contract. Cloning at this boundary keeps in-flight - * mutation from reaching back and rewriting history (which would silently - * break replay equivalence). Cost is one structured clone per step, - * negligible next to a model call. + * CACHED: each surface node is projected exactly once, when first seen — a + * call costs O(new nodes), and a surface rewrite (a `replace`; + * {@link SurfaceManager.replaceGeneration}) rebuilds. The returned array is + * a fresh snapshot per call (later appends never grow an array a caller + * already holds); the `Message` objects in it are SHARED and **deep-frozen** + * — cloned once off the log at projection time, so consumers can never + * mutate logged data, and mutation attempts throw instead of silently + * diverging replay from history. + * @returns a fresh array of the shared, frozen derived history. */ deriveMessages(): Message[] { - const messages: Message[] = [] - for (const node of this.surface.nodes) { + const nodes = this.surface.nodes + const generation = this.surface.replaceGeneration + if (generation !== this.derivedGeneration) { + this.derived = [] + this.derivedNodes = 0 + this.derivedGeneration = generation + } + for (const node of nodes.slice(this.derivedNodes)) { // Surface nodes are built from this.log — node.seq is always a valid // index by construction. The non-null assertion expresses that invariant. // eslint-disable-next-line @typescript-eslint/no-non-null-assertion - const msg = this._deriveOneMessage(this.log[node.seq]!) + const msg = this.deriveEventMessage(this.log[node.seq]!) // A surface node is one of the five message-producing types, but an // empty-content assistant/message (a max-tokens step that hosts only // usage) derives to null and must not enter the transcript. - if (msg) messages.push(msg) + if (msg) this.derived.push(deepFreeze(msg)) } - return messages + this.derivedNodes = nodes.length + return [...this.derived] } /** - * Derive a single LLM message from one surface event, or null if it produces - * no message (an empty-content assistant/message that exists only to host - * usage). + * Project a single event into the LLM message it derives to, or null when + * it produces none — a non-surface event (chunk, boundary, log-only record) + * or an empty-content assistant/message (which exists only to host usage). + * The per-node pure function {@link deriveMessages} folds over the surface; + * an external reconstructor (or the dev invariant) folds the same function + * over a log prefix's surface to rebuild the exact messages any request was + * built from (the reconstructability RFC). The returned `content` is + * deep-cloned off the logged event: the log is append-only by contract, so + * no live reference to logged data leaves this boundary. + * @param event - the event to project. + * @returns the derived message, or null when the event produces none. */ - private _deriveOneMessage(event: SessionEvent): Message | null { + deriveEventMessage(event: SessionEvent): Message | null { // Intentionally non-exhaustive: only message-producing events derive // history; turn/step boundaries, chunks, usage, and errors are // trace/replay data. @@ -311,13 +362,40 @@ export class Session { const { content, source } = event.data return { role: 'user', content: renderTagged('steering', structuredClone(content), source) } } - /* v8 ignore next 2 -- unreachable: only surface nodes (the 5 message-producing types) reach here */ default: + // A non-surface event (boundary, chunk, log-only record) projects to + // no message. Merge-extensible union: no assertNever here. return null } } } +/** A fork source: either the live session object or its live store id. */ +export type SessionForkSource = Session | SessionId + +/** + * Rejection codes for session forking: the fork source id is unknown to the + * live store (`SESSION_NOT_FOUND`) or names a session object that is not the + * store's live instance (`SESSION_NOT_LIVE`); the requested child id is + * already taken (`SESSION_ALREADY_EXISTS`); the boundary is not a contiguous + * existing seq (`INVALID_BOUNDARY`); or the boundary event is not a + * `turn/end` — a fork must cut on a closed turn (`OPEN_TURN`). + */ +export type SessionForkErrorCode = + | 'SESSION_NOT_FOUND' + | 'SESSION_NOT_LIVE' + | 'SESSION_ALREADY_EXISTS' + | 'INVALID_BOUNDARY' + | 'OPEN_TURN' + +/** Typed error for session fork rejections. */ +export class SessionForkError extends Error { + constructor(message: string, public readonly code: SessionForkErrorCode) { + super(message) + this.name = 'SessionForkError' + } +} + /** * In-memory session store (`ctx.sessions`). * @@ -452,6 +530,92 @@ export class SessionStore extends Service { list(): Session[] { return [...this.store.values()] } + + /** + * Create a live child session from a turn-enclosed prefix of a live source. + * `boundary` is an inclusive source event seq; omitted means the source's + * current last event. A non-empty selected slice must end at `turn/end`. + * + * @param source - Live source session object or id. + * @param boundary - Inclusive source event seq to fork through; omitted means + * the source's current last event, and omitted on an empty source forks an + * empty child. + * @param childSessionId - Optional child session id; omitted delegates to + * `SessionStore`'s id policy. + * @returns The created live child session. + */ + fork(source: SessionForkSource, boundary?: number, childSessionId?: SessionId): Session { + if (childSessionId !== undefined && this.get(childSessionId) !== undefined) { + throw new SessionForkError(`session "${childSessionId}" already exists`, 'SESSION_ALREADY_EXISTS') + } + const liveSource = this._resolveForkSource(source) + const seed = this._forkSeed(liveSource, boundary) + return this.create(childSessionId, { + seed, + meta: { + ...liveSource.header.cwd !== undefined ? { cwd: liveSource.header.cwd } : {}, + parentSession: liveSource.id, + seedLength: seed.length, + }, + }) + } + + private _forkSeed(session: Session, requestedBoundary: number | undefined): SessionEvent[] { + const events = session.events + const lastEvent = events.at(-1) + let boundary: number + if (requestedBoundary !== undefined) { + boundary = requestedBoundary + } else { + if (lastEvent === undefined) return [] + boundary = lastEvent.seq + } + if (!Number.isSafeInteger(boundary) || boundary < 0) { + throw new SessionForkError( + `fork boundary for session "${session.id}" must be a non-negative safe integer, got ${String(boundary)}`, + 'INVALID_BOUNDARY', + ) + } + if (boundary >= events.length) { + const lastSeq = events.at(-1)?.seq + throw new SessionForkError( + `fork boundary ${boundary} does not exist in session "${session.id}" (last seq: ${lastSeq ?? 'none'})`, + 'INVALID_BOUNDARY', + ) + } + + const boundaryEvent = events[boundary] + if (boundaryEvent === undefined || boundaryEvent.seq !== boundary) { + throw new SessionForkError( + `fork boundary ${boundary} does not match a contiguous event seq in session "${session.id}"`, + 'INVALID_BOUNDARY', + ) + } + if (boundaryEvent.type !== 'turn/end') { + throw new SessionForkError( + `fork boundary ${boundary} in session "${session.id}" must be turn/end, got ${boundaryEvent.type}`, + 'OPEN_TURN', + ) + } + + return events.slice(0, boundary + 1).map(event => structuredClone(event)) + } + + private _resolveForkSource(source: SessionForkSource): Session { + if (typeof source === 'string') { + const session = this.get(source) + if (session === undefined) throw new SessionForkError(`session "${source}" not found`, 'SESSION_NOT_FOUND') + return session + } + + const live = this.get(source.id) + if (live === undefined) { + throw new SessionForkError(`session "${source.id}" not found`, 'SESSION_NOT_FOUND') + } + if (live !== source) throw new SessionForkError(`session "${source.id}" is not the live store instance`, 'SESSION_NOT_LIVE') + return source + } + } export default SessionStore diff --git a/packages/core/session/src/json.ts b/packages/core/session/src/json.ts index 47197b7b90..22303c6c61 100644 --- a/packages/core/session/src/json.ts +++ b/packages/core/session/src/json.ts @@ -40,6 +40,10 @@ export type JsonValue = null | boolean | number | string | JsonValue[] | { [key: * hiding under a symbol/non-enumerable key cannot make the round-trip lossy. * Getters are invoked during the check (again as `JSON.stringify` would), so the * contract is for plain data records, not objects with side-effecting accessors. + * @param value - the candidate event data to test. + * @param seen - objects on the current descent path, for circular-reference + * detection; the recursion threads it — callers omit it. + * @returns true when `value` survives a JSON round-trip losslessly. */ export function isJsonValue(value: unknown, seen: Set<object> = new Set()): boolean { if (value === null) return true diff --git a/packages/core/session/src/repair.ts b/packages/core/session/src/repair.ts index b894ef26cb..cb780da013 100644 --- a/packages/core/session/src/repair.ts +++ b/packages/core/session/src/repair.ts @@ -54,6 +54,8 @@ import type { SessionEvent } from './types.ts' * Only the LAST turn can be open: the invariants plugin guarantees a `turn/end` * before any later `turn/start`, so an interior open turn is impossible in a * valid committed log. Likewise at most one step is open within that turn. + * @param events - the loaded durable log to scan (a valid committed prefix, possibly with a crash tail). + * @returns the synthetic closer events to append after `events`, in order; empty when the log is already balanced. */ export function interruptedTurnClosers(events: readonly SessionEvent[]): SessionEvent[] { let openTurn: number | null = null diff --git a/packages/core/session/src/request-header.ts b/packages/core/session/src/request-header.ts new file mode 100644 index 0000000000..eeb2fe40ed --- /dev/null +++ b/packages/core/session/src/request-header.ts @@ -0,0 +1,209 @@ +/** + * Request-header reconstruction utilities: the pure fold/diff/apply trio over + * the `request/header` / `request/header-delta` session events. Anyone + * holding a session log reconstructs the {@link EpochHeader} any request was + * built under by folding these events in log order; the loop uses the same + * functions to decide whether a step's header changed and to encode the + * change. Deltas are an encoding optimization with a safety valve — the + * writer round-trip-verifies every delta before appending and falls back to + * a full snapshot when the encoding cannot express the change — so folding + * never needs error recovery on a well-formed log. + * + * @module dsh-session/request-header + */ + +import { callConfigEquals } from '@deepseek-ai/dsh-llm' +import type { LlmCallConfig, Message, ToolSchema } from '@deepseek-ai/dsh-llm' +import type { EpochHeader, SessionEvent, SystemDelta, ToolsDelta } from './types.ts' + +/** The `request/header-delta` payload shape: each present field amends the folded header. */ +type HeaderDelta = { + system?: SystemDelta + tools?: ToolsDelta + config?: LlmCallConfig + messagePrefix?: Message[] +} + +/** + * Normalize a header to canonical form: an empty system prompt, an empty + * tool list, and an empty session prefix become ABSENT fields, matching how + * requests are built (the request-build spreads skip empty values). Diff, + * fold, and comparison all operate on canonical headers, so "no system + * prompt" (and "no session prefix") has exactly one representation. + * @param header - the header to normalize (not mutated). + * @returns the canonical header. + */ +export function canonicalHeader(header: EpochHeader): EpochHeader { + return { + config: header.config, + ...header.system !== undefined && header.system.length > 0 ? { system: header.system } : {}, + ...header.tools !== undefined && header.tools.length > 0 ? { tools: header.tools } : {}, + ...header.messagePrefix !== undefined && header.messagePrefix.length > 0 ? { messagePrefix: header.messagePrefix } : {}, + } +} + +/** Split a canonical (possibly absent) system prompt into lines; absence is zero lines. */ +function systemLines(system: string | undefined): string[] { + return system === undefined ? [] : system.split('\n') +} + +/** Join lines back into a canonical system value; zero lines is absence. */ +function joinSystem(lines: string[]): string | undefined { + return lines.length === 0 ? undefined : lines.join('\n') +} + +/** + * Compute the line-level {@link SystemDelta} between two canonical system + * prompts: trim the common prefix and (non-overlapping) common suffix, and + * carry the replacement lines between them. Deterministic and library-free; + * with nothing shared it degenerates to a full replacement. + */ +function diffSystem(prev: string | undefined, next: string | undefined): SystemDelta { + const a = systemLines(prev) + const b = systemLines(next) + let keepStart = 0 + while (keepStart < a.length && keepStart < b.length && a[keepStart] === b[keepStart]) keepStart += 1 + let keepEnd = 0 + while ( + keepEnd < a.length - keepStart && + keepEnd < b.length - keepStart && + a[a.length - 1 - keepEnd] === b[b.length - 1 - keepEnd] + ) keepEnd += 1 + return { keepStart, keepEnd, insert: b.slice(keepStart, b.length - keepEnd) } +} + +/** Apply a {@link SystemDelta} to a canonical system prompt. */ +function applySystem(prev: string | undefined, delta: SystemDelta): string | undefined { + const a = systemLines(prev) + return joinSystem([...a.slice(0, delta.keepStart), ...delta.insert, ...a.slice(a.length - delta.keepEnd)]) +} + +/** Canonical JSON equality for tool schemas — sound because schemas are + * JSON-serializable by construction and both sides come from the same + * assembly path, so key insertion order matches when the values do. */ +function sameSchema(a: ToolSchema, b: ToolSchema): boolean { + return JSON.stringify(a) === JSON.stringify(b) +} + +/** + * Compute the name-keyed {@link ToolsDelta} between two canonical tool lists. + * A pure reordering produces an empty delta — the writer's round-trip guard + * catches that case and records a snapshot instead. + */ +function diffTools(prev: readonly ToolSchema[], next: readonly ToolSchema[]): ToolsDelta { + const prevByName = new Map(prev.map(tool => [tool.name, tool])) + const nextNames = new Set(next.map(tool => tool.name)) + return { + added: next.filter(tool => !prevByName.has(tool.name)), + removed: prev.filter(tool => !nextNames.has(tool.name)).map(tool => tool.name), + changed: next.filter((tool) => { + const before = prevByName.get(tool.name) + return before !== undefined && !sameSchema(before, tool) + }), + } +} + +/** Apply a {@link ToolsDelta} to a canonical tool list: drop removed, replace changed in place, append added. */ +function applyTools(prev: readonly ToolSchema[], delta: ToolsDelta): ToolSchema[] { + const removed = new Set(delta.removed) + const changedByName = new Map(delta.changed.map(tool => [tool.name, tool])) + const kept = prev + .filter(tool => !removed.has(tool.name)) + .map(tool => changedByName.get(tool.name) ?? tool) + return [...kept, ...delta.added] +} + +/** + * Field-wise equality over canonical headers — the cheap comparison the + * writer's round-trip guard runs (`applyHeaderDelta(prev, delta)` must equal + * the intended header) and the loop runs to skip logging an unchanged header. + * Tools compare per-schema IN ORDER (canonical JSON), so a pure reordering is + * correctly unequal; the session prefix compares as canonical JSON (both + * sides come from the same build path, so key order matches when the values + * do). + * @param a - one canonical header. + * @param b - the other. + * @returns whether config, system, tools (in order), and the session prefix all match. + */ +export function headerEquals(a: EpochHeader, b: EpochHeader): boolean { + if (!callConfigEquals(a.config, b.config) || a.system !== b.system) return false + if (!sameMessages(a.messagePrefix, b.messagePrefix)) return false + const at = a.tools ?? [] + const bt = b.tools ?? [] + return at.length === bt.length && at.every((tool, i) => sameSchema(tool, bt[i] as ToolSchema)) +} + +/** Canonical JSON equality over session-prefix arrays; absence equals the empty array. */ +function sameMessages(a: readonly Message[] | undefined, b: readonly Message[] | undefined): boolean { + return JSON.stringify(a ?? []) === JSON.stringify(b ?? []) +} + +/** + * Compute the `request/header-delta` payload between two canonical headers, + * or undefined when they are equal. The caller MUST round-trip the result + * ({@link applyHeaderDelta} on `prev` deep-equals `next`) before logging it — + * the encoding cannot express every change (a pure tool reordering) — and + * fall back to a full `request/header` snapshot when the check fails. + * The session prefix is replaced whole (small advisory content, not worth + * diffing); an empty replacement array encodes the transition to "none". + * @param prev - the folded header the log currently implies. + * @param next - the header the next request will actually use. + * @returns the delta payload, or undefined when nothing changed. + */ +export function diffHeader(prev: EpochHeader, next: EpochHeader): HeaderDelta | undefined { + const delta: HeaderDelta = {} + if (prev.system !== next.system) delta.system = diffSystem(prev.system, next.system) + const prevTools = prev.tools ?? [] + const nextTools = next.tools ?? [] + if (JSON.stringify(prevTools) !== JSON.stringify(nextTools)) delta.tools = diffTools(prevTools, nextTools) + if (!callConfigEquals(prev.config, next.config)) delta.config = next.config + if (!sameMessages(prev.messagePrefix, next.messagePrefix)) delta.messagePrefix = next.messagePrefix ?? [] + return Object.keys(delta).length > 0 ? delta : undefined +} + +/** + * Apply a `request/header-delta` payload to a canonical header, producing the + * canonical header it encodes. Total for well-formed logs (the writer only + * appends round-trip-verified deltas). + * @param prev - the folded header before the delta. + * @param delta - the logged delta payload. + * @returns the canonical header after the delta. + */ +export function applyHeaderDelta(prev: EpochHeader, delta: HeaderDelta): EpochHeader { + const system = delta.system !== undefined ? applySystem(prev.system, delta.system) : prev.system + const tools = delta.tools !== undefined ? applyTools(prev.tools ?? [], delta.tools) : prev.tools + const messagePrefix = delta.messagePrefix ?? prev.messagePrefix + return canonicalHeader({ + config: delta.config ?? prev.config, + ...system !== undefined ? { system } : {}, + ...tools !== undefined ? { tools } : {}, + ...messagePrefix !== undefined ? { messagePrefix } : {}, + }) +} + +/** + * Fold the header events of a log (or any prefix of one) into the + * {@link EpochHeader} in force after the last of them: each + * `request/header` snapshot replaces the state, each `request/header-delta` + * amends it. The pure, offline form of reconstruction — external tooling and + * the dev invariant both use it; the live session tracks the same fold + * incrementally. + * @param events - session events in log order (non-header events are skipped). + * @param from - a previously folded state to continue from (the live session's + * incremental cursor); omit to fold from nothing. + * @returns the folded header, or undefined when no header event exists yet. + */ +export function foldRequestHeader(events: readonly SessionEvent[], from?: EpochHeader): EpochHeader | undefined { + let state: EpochHeader | undefined = from + for (const event of events) { + if (event.type === 'request/header') { + state = canonicalHeader(event.data.header) + } else if (event.type === 'request/header-delta') { + if (state === undefined) { + throw new Error(`request/header-delta at seq ${event.seq} before any request/header snapshot: corrupt log`) + } + state = applyHeaderDelta(state, event.data) + } + } + return state +} diff --git a/packages/core/session/src/surface.ts b/packages/core/session/src/surface.ts index 57f9a65864..7219856bdb 100644 --- a/packages/core/session/src/surface.ts +++ b/packages/core/session/src/surface.ts @@ -29,6 +29,8 @@ const SURFACE_EVENT_TYPES = new Set<string>([ * surface-eligible event that is MISSING its mandatory marker (e.g. validating * a seed/load log); use {@link isSurfaceEvent} to narrow to a fully-formed * {@link SurfaceEvent} with `surfaceOp` present. + * @param type - the event type string to test. + * @returns true when the type is one of the five message-producing types. */ export function isSurfaceEligibleType(type: string): boolean { return SURFACE_EVENT_TYPES.has(type) @@ -38,6 +40,8 @@ export function isSurfaceEligibleType(type: string): boolean { * Narrow a {@link SessionEvent} to {@link SurfaceEvent}: checks that the * event's `type` is surface-eligible AND that `surfaceOp` is present. * The narrowed type has mandatory {@link SurfaceOp}. + * @param event - the event to narrow. + * @returns true when the event is surface-eligible and carries its `surfaceOp` marker. */ export function isSurfaceEvent(event: SessionEvent): event is SurfaceEvent { if (!SURFACE_EVENT_TYPES.has(event.type)) return false @@ -72,6 +76,9 @@ export class SurfaceManager { /** The last processed seq. -1 forces a full rebuild on first access. */ private _lastProcessedSeq = -1 + /** Rewrite generation — see {@link replaceGeneration}. */ + private _replaceGeneration = 0 + constructor(private log: readonly SessionEvent[]) {} /** @@ -83,6 +90,23 @@ export class SurfaceManager { this._lastProcessedSeq = -1 this._nodes = [] this._nodeBySeq.clear() + // A wholesale rebuild is a rewrite: bump the generation so incremental + // consumers (the session's derived-message cache) discard their view. + this._replaceGeneration += 1 + } + + /** + * The surface's rewrite generation: bumped by every folded `replace` op and + * by {@link invalidate}. A replace is the ONE operation that rewrites the + * surface non-monotonically, so an incremental consumer of {@link nodes} + * (the session's derived-message cache) compares this between visits — an + * unchanged generation guarantees every node it has not seen is a pure tail + * append; a changed one means its view must rebuild. Monotonic: it never + * moves backwards, so comparisons cannot be fooled by a re-fold. + */ + get replaceGeneration(): number { + if (this._lastProcessedSeq < this.log.length - 1) this._processDelta() + return this._replaceGeneration } /** The surface nodes in linked-list order (head to tail). */ @@ -155,5 +179,6 @@ export class SurfaceManager { if (nextNode) nextNode.prev = newSeq this._nodes.splice(startIdx, 0, newNode) this._nodeBySeq.set(newSeq, newNode) + this._replaceGeneration += 1 } } diff --git a/packages/core/session/src/tool-pairing.ts b/packages/core/session/src/tool-pairing.ts index 638daaf654..6ea3042bd7 100644 --- a/packages/core/session/src/tool-pairing.ts +++ b/packages/core/session/src/tool-pairing.ts @@ -74,6 +74,12 @@ function nodeDelta(event: SessionEvent): number { * surface successor (`SurfaceNode.next`), or `null` when `end` is the tail — * for the cut after `end`. * + * @param nodes - the surface linked list in head→tail order. + * @param events - the session log each node's `seq` indexes into. + * @param beforeSeq - names the cut (the node it sits immediately before); + * `null` — or any seq not on the surface — means the after-tail cut. + * @returns true when every `tool-call` before the cut is answered before it + * (the unanswered-call depth at the cut is zero). * @throws if the surface prefix drives the unanswered-call depth negative — a * `tool/result` with no preceding open `tool-call` on the surface. That is a * corrupt surface (a structural invariant violation), surfaced loudly here diff --git a/packages/core/session/src/types.ts b/packages/core/session/src/types.ts index b9a4c3b89b..ca6779e1dc 100644 --- a/packages/core/session/src/types.ts +++ b/packages/core/session/src/types.ts @@ -1,10 +1,14 @@ import type { Branded } from '@deepseek-ai/dsh-brand' -import type { CallId, ContentBlock, MessageSource, StreamChunk, TokenUsage } from '@deepseek-ai/dsh-llm' +import type { CallId, ContentBlock, LlmCallConfig, Message, MessageSource, StreamChunk, TokenUsage, ToolSchema } from '@deepseek-ai/dsh-llm' /** Identifies one session in the store (and its persistence artifacts). */ export type SessionId = Branded<'SessionId'> -/** Brand a string as a {@link SessionId}. */ +/** + * Brand a string as a {@link SessionId}. + * @param id - the raw session id string. + * @returns the same string, branded (a compile-time cast — no runtime cost). + */ export function SessionId(id: string): SessionId { return id as SessionId } @@ -91,7 +95,6 @@ export interface CreateSessionOptions { */ export interface TurnTriggerMap { message: { kind: 'message'; source: MessageSource } - continuation: { kind: 'continuation' } /** * An out-of-band context injection (`agent.inject()`) made while the agent * was idle. The loop wraps the injected `context/message` in a one-shot turn @@ -103,6 +106,7 @@ export interface TurnTriggerMap { injection: { kind: 'injection'; source: MessageSource } } +/** The union over {@link TurnTriggerMap} — what started a turn; plugins extend it by merging variants into the map. */ export type TurnTrigger = TurnTriggerMap[keyof TurnTriggerMap] /** @@ -157,6 +161,7 @@ export interface TurnEndReasonMap { interrupted: { kind: 'interrupted' } } +/** The union over {@link TurnEndReasonMap} — why a turn ended; plugins extend it by merging variants into the map. */ export type TurnEndReason = TurnEndReasonMap[keyof TurnEndReasonMap] /** @@ -177,6 +182,76 @@ export interface TodoItem { status: 'pending' | 'in_progress' | 'completed' } +/** + * The request header: everything about an LLM request besides its derived + * message history — the call configuration plus the rendered system prompt, + * tool schemas, and the session prefix. Logged session state (the + * reconstructability RFC): a + * {@link SessionEventMap} `request/header` snapshot installs one, a + * `request/header-delta` amends it, and folding those events over the log + * (`foldRequestHeader`) reconstructs the header any request was built under. + * Canonical form: an empty system prompt, an empty tool list, and an empty + * prefix are ABSENT fields, matching how requests are built. + */ +export interface EpochHeader { + /** The conversation's call configuration (model + sampling scalars). */ + config: LlmCallConfig + /** Rendered system prompt text; absent for a system-less request. */ + system?: string + /** Assembled tool schemas; absent for a tool-less request. */ + tools?: ToolSchema[] + /** + * The session prefix: request-only messages sent BEFORE the entire derived + * history (the `agent/session-prefix` waterfall's product, composed once + * per loop instance and reused for every request it sends). Not session + * history — `deriveMessages()` never returns it — so the header is its + * only durable record; absent when the instance composed none. + */ + messagePrefix?: Message[] +} + +/** + * Why a `request/header` snapshot was appended: `'initial'` — the log's first + * header (a new conversation); `'resume'` — a loop instance's first request + * over a log that already has header events (process restart, fork seed); + * `'fallback'` — a mid-run change the delta encoding could not round-trip + * (e.g. a pure tool reordering), recorded whole instead. + */ +export type RequestHeaderReason = 'initial' | 'resume' | 'fallback' + +/** + * Line-level edit of the system prompt: keep the first `keepStart` and last + * `keepEnd` lines of the previous text, with `insert` replacing everything + * between. Computed as a common-prefix/common-suffix trim — deterministic, + * library-free, degenerating to a full replacement when nothing is shared. + * Absence is encoded as zero lines (the canonical form has no empty-string + * system), so a transition to or from "no system prompt" round-trips. + */ +export interface SystemDelta { + /** Lines kept from the start of the previous system prompt. */ + keepStart: number + /** Lines kept from the end of the previous system prompt. */ + keepEnd: number + /** Lines replacing everything between the kept edges. */ + insert: string[] +} + +/** + * Tool-set edit keyed by tool name (names are unique — the registry rejects + * duplicates): `removed` names drop, `changed` schemas replace their + * predecessor in place, `added` schemas append at the end. A change this + * encoding cannot express (a pure reordering) fails the writer's round-trip + * guard and is recorded as a `'fallback'` snapshot instead. + */ +export interface ToolsDelta { + /** Schemas appended to the end of the tool list. */ + added: ToolSchema[] + /** Names of schemas dropped from the tool list. */ + removed: string[] + /** Schemas replacing the same-named predecessor in place. */ + changed: ToolSchema[] +} + /** * The session event vocabulary — the append-only source of truth for an * agent's whole interaction history. The LLM message history is *derived* @@ -198,9 +273,22 @@ export interface TodoItem { * the invariants plugin checks, is a breaking change to the on-disk format. */ export interface SessionEventMap { + /** + * Opens turn `turn`. `trigger` records what started it — a drained message + * batch or an idle-time injection. The turn is the durability/replay + * boundary: every event sits between a `turn/start` and its matching + * `turn/end` (the turn-enclosure invariant). + */ 'turn/start': { turn: number; trigger: TurnTrigger } + /** + * Closes turn `turn` with the {@link TurnEndReason} that ended it. The loop + * fires the awaited `session/flush` checkpoint at every turn end, so the turn + * boundary is also the durable-commit boundary. + */ 'turn/end': { turn: number; reason: TurnEndReason } + /** Opens step `step` of turn `turn` — one model call plus the tool executions it requested. */ 'step/start': { turn: number; step: number } + /** Closes step `step` of turn `turn`. */ 'step/end': { turn: number; step: number } /** A user-visible prompt (queued message drained at turn start). */ 'user/message': { content: ContentBlock[]; source: MessageSource } @@ -230,6 +318,11 @@ export interface SessionEventMap { * usage record). `usage` is absent when the adapter reported none. */ 'assistant/message': { turn: number; step: number; content: ContentBlock[]; usage?: TokenUsage } + /** + * The model requested one tool invocation: `name` with the raw `arguments` + * JSON string exactly as the model produced it (unparsed). `callId` pairs the + * call with its `tool/result`. + */ 'tool/call': { turn: number; step: number; callId: CallId; name: string; arguments: string } /** * A completed tool call's model-facing result, plus an optional tool-private @@ -257,8 +350,39 @@ export interface SessionEventMap { * cordis-catalog row. */ 'todo/write': { todos: TodoItem[] } + /** + * Full snapshot of the {@link EpochHeader} the NEXT request is built under, + * with the {@link RequestHeaderReason} it was recorded whole. Appended by + * the loop inside the step, before dispatch, on a loop instance's first + * request-building step (`'initial'`/`'resume'`) or when a delta failed its + * round-trip guard (`'fallback'`); always records what the request actually + * used, post-`agent/request`. Anchors the header fold: reconstruction reads + * the latest snapshot and applies the deltas after it. NOT a + * {@link SurfaceEventType}: it produces no LLM message — it is the request + * envelope, logged so every request is a pure function of the session log + * (the reconstructability RFC). + */ + 'request/header': { header: EpochHeader; reason: RequestHeaderReason } + /** + * Amendment to the folded {@link EpochHeader}: at least one of a + * {@link SystemDelta}, a {@link ToolsDelta}, a whole replacement + * {@link LlmCallConfig} (four scalars — not worth diffing), or a whole + * replacement session prefix (`messagePrefix` — small advisory content, + * replaced whole; an EMPTY array encodes the transition to "none", + * mirroring the canonical form's absent field — the loop never produces + * one in practice: the prefix is composed once per instance and anchored + * by that instance's snapshot, so this arm exists for codec totality). + * Appended by the + * loop inside the step, before dispatch, when the header for this request + * differs from the fold of the log so far; the writer verifies + * `applyHeaderDelta(previous, delta)` reproduces the new header exactly and + * falls back to a `'fallback'` `request/header` snapshot when it cannot, so + * a logged delta ALWAYS round-trips. NOT a {@link SurfaceEventType}. + */ + 'request/header-delta': { system?: SystemDelta; tools?: ToolsDelta; config?: LlmCallConfig; messagePrefix?: Message[] } } +/** The appendable event-type keys of {@link SessionEventMap}, plugin-merged extensions included. */ export type SessionEventType = keyof SessionEventMap /** diff --git a/packages/core/session/tests/derived-cache.spec.ts b/packages/core/session/tests/derived-cache.spec.ts new file mode 100644 index 0000000000..b416d15639 --- /dev/null +++ b/packages/core/session/tests/derived-cache.spec.ts @@ -0,0 +1,112 @@ +/** + * Derived-message cache tests: the session projects each surface node exactly + * once (O(new nodes) per call), rebuilds on a surface rewrite (replace / + * invalidate — the replaceGeneration signal), returns a fresh array snapshot + * per call over shared frozen messages, and stays deep-equal to a from-scratch + * replay derivation at every step — the incremental==scratch property the + * reconstructability RFC's invariant enforces in dev at request time. + */ + +import { describe, expect, it } from 'vitest' +import { Session, SessionId } from '@deepseek-ai/dsh-session' + +function userText(session: Session, text: string): void { + session.append('user/message', { content: [{ type: 'text', text }], source: { kind: 'user' } }, { surfaceOp: 'append' }) +} + +/** From-scratch oracle: replay the log into a fresh session and derive. */ +function scratch(session: Session): unknown { + return new Session(SessionId(`${session.id}-scratch-${session.seq}`), [...session.events]).deriveMessages() +} + +describe('derived-message cache', () => { + it('stays deep-equal to a from-scratch replay derivation as the log grows', () => { + const session = new Session(SessionId('cache-grow')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + userText(session, 'one') + expect(session.deriveMessages()).toEqual(scratch(session)) + userText(session, 'two') + session.append('assistant/message', { turn: 1, step: 1, content: [{ type: 'text', text: 'reply' }] }, { surfaceOp: 'append' }) + expect(session.deriveMessages()).toEqual(scratch(session)) + // An empty-content assistant/message (usage host) projects to nothing. + session.append('assistant/message', { turn: 1, step: 2, content: [], usage: { inputTokens: 1, outputTokens: 0 } }, { surfaceOp: 'append' }) + expect(session.deriveMessages()).toEqual(scratch(session)) + }) + + it('rebuilds on a surface replace and still matches scratch', () => { + const session = new Session(SessionId('cache-replace')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + userText(session, 'one') + userText(session, 'two') + const beforeReplace = session.deriveMessages() + expect(beforeReplace).toHaveLength(2) + + const nodes = session.surface.nodes + session.append('context/message', { + content: [{ type: 'text', text: 'summary' }], source: { kind: 'plugin', plugin: 'compact' }, + }, { surfaceOp: { op: 'replace', start: nodes[0]!.seq, end: nodes[1]!.seq }, sourceEventSeqs: [nodes[0]!.seq, nodes[1]!.seq] }) + + expect(session.deriveMessages()).toHaveLength(1) + expect(session.deriveMessages()).toEqual(scratch(session)) + // The array a caller took before the replace is untouched. + expect(beforeReplace).toHaveLength(2) + }) + + it('returns a fresh array per call: later appends never grow a held snapshot', () => { + const session = new Session(SessionId('cache-snapshot')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + userText(session, 'one') + const first = session.deriveMessages() + userText(session, 'two') + const second = session.deriveMessages() + expect(first).toHaveLength(1) + expect(second).toHaveLength(2) + // Shared projection objects: the same frozen message instance, once ever. + expect(second[0]).toBe(first[0]) + expect(Object.isFrozen(first[0])).toBe(true) + }) + + it('rebuilds after surface.invalidate() (the generation covers wholesale rebuilds too)', () => { + const session = new Session(SessionId('cache-invalidate')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + userText(session, 'one') + const before = session.deriveMessages() + session.surface.invalidate() + const after = session.deriveMessages() + expect(after).toEqual(before) + // A rebuild re-projects: fresh objects, same values. + expect(after[0]).not.toBe(before[0]) + }) +}) + +describe('Session.deriveEventMessage — the per-event projection', () => { + it('projects one appended event exactly as the full derivation projects its node', () => { + const session = new Session(SessionId('per-event')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const event = session.append('user/message', { content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + // The fold path (deriveMessages) and the per-event path share the + // projection, so an external reconstructor cannot disagree with the cache. + expect(session.deriveEventMessage(event)).toEqual(session.deriveMessages().at(-1)) + }) + + it('clones content off the log: the projection never aliases the logged event', () => { + const session = new Session(SessionId('per-event-clone')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const event = session.append('user/message', { content: [{ type: 'text', text: 'orig' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + const message = session.deriveEventMessage(event)! + expect(message.content).not.toBe(event.data.content) + // deriveEventMessage returns an unfrozen clone (the cache freezes ITS + // copies); mutating it must not reach the log. + ;(message.content[0] as { text: string }).text = 'mutated' + expect(session.deriveMessages().at(-1)!.content).toEqual([{ type: 'text', text: 'orig' }]) + }) + + it('projects null for events that produce no message (boundaries, empty assistant)', () => { + const session = new Session(SessionId('per-event-null')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const boundary = session.append('step/start', { turn: 1, step: 1 }) + expect(session.deriveEventMessage(boundary)).toBeNull() + const empty = session.append('assistant/message', { turn: 1, step: 1, content: [] }, { surfaceOp: 'append' }) + expect(session.deriveEventMessage(empty)).toBeNull() + }) +}) diff --git a/packages/core/session/tests/fork.spec.ts b/packages/core/session/tests/fork.spec.ts new file mode 100644 index 0000000000..25328294cf --- /dev/null +++ b/packages/core/session/tests/fork.spec.ts @@ -0,0 +1,240 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { CallId } from '@deepseek-ai/dsh-llm' +import SessionStore, { Session, SessionForkError, SessionId } from '@deepseek-ai/dsh-session' +import type { SessionEvent, TurnEndReason } from '@deepseek-ai/dsh-session' + +async function setup(): Promise<{ ctx: Context; sessions: SessionStore }> { + const ctx = new Context() + await ctx.plugin(SessionStore) + return { ctx, sessions: ctx.sessions } +} + +function appendClosedTurn( + session: Session, + turn: number, + text = `hello ${turn}`, + reason: TurnEndReason = { kind: 'completed' }, +): void { + session.append('turn/start', { turn, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('user/message', { + content: [{ type: 'text', text }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + session.append('turn/end', { turn, reason }) +} + +function appendOpenTurn(session: Session, turn: number): void { + session.append('turn/start', { turn, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('user/message', { + content: [{ type: 'text', text: `open ${turn}` }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) +} + +function firstUserMessage(events: readonly SessionEvent[]): SessionEvent<'user/message'> { + const event = events.find((e): e is SessionEvent<'user/message'> => e.type === 'user/message') + if (event === undefined) throw new Error('missing user/message') + return event +} + +function lastSeq(session: Session): number { + const event = session.events.at(-1) + if (event === undefined) throw new Error('missing last event') + return event.seq +} + +describe('SessionStore.fork', () => { + it('forks an empty live session as an empty child with lineage metadata', async () => { + const { ctx, sessions } = await setup() + const source = ctx.sessions.create(SessionId('empty-parent'), { meta: { cwd: '/workspace' } }) + + const child = sessions.fork(source, undefined, SessionId('empty-child')) + + expect(child.events).toEqual([]) + expect(child.header).toMatchObject({ + id: SessionId('empty-child'), + cwd: '/workspace', + parentSession: SessionId('empty-parent'), + seedLength: 0, + }) + }) + + it('forks the latest completed boundary by default and deep-clones seed events', async () => { + const { ctx, sessions } = await setup() + const source = ctx.sessions.create(SessionId('parent'), { meta: { cwd: '/workspace' } }) + appendClosedTurn(source, 1, 'hello') + + const child = sessions.fork(SessionId('parent'), undefined, SessionId('child')) + + expect(child.events).toEqual(source.events) + expect(child.events).not.toBe(source.events) + expect(child.events[1]).not.toBe(source.events[1]) + firstUserMessage(child.events).data.content[0] = { type: 'text', text: 'child mutation' } + expect(firstUserMessage(source.events).data.content).toEqual([{ type: 'text', text: 'hello' }]) + expect(child.header).toMatchObject({ + id: SessionId('child'), + cwd: '/workspace', + parentSession: SessionId('parent'), + seedLength: source.events.length, + }) + }) + + it('forks from an earlier turn boundary even when the source currently has an open tail', async () => { + const { ctx, sessions } = await setup() + const source = ctx.sessions.create(SessionId('parent'), { meta: { cwd: '/workspace' } }) + appendClosedTurn(source, 1, 'first') + const firstBoundary = lastSeq(source) + appendClosedTurn(source, 2, 'second') + appendOpenTurn(source, 3) + + const child = sessions.fork(source, firstBoundary, SessionId('child-from-first')) + + expect(child.events).toEqual(source.events.slice(0, firstBoundary + 1)) + expect(child.header.seedLength).toBe(firstBoundary + 1) + expect(child.deriveMessages()).toEqual([{ role: 'user', content: [{ type: 'text', text: 'first' }] }]) + }) + + it('accepts every turn/end reason as an explicit fork boundary', async () => { + const { ctx, sessions } = await setup() + const reasons: TurnEndReason[] = [ + { kind: 'completed' }, + { kind: 'aborted', reason: 'cancelled by user' }, + { kind: 'error', step: 1, message: 'model failed', code: 'MODEL' }, + { kind: 'disposed' }, + { kind: 'max-tokens' }, + { kind: 'interrupted' }, + ] + + for (const reason of reasons) { + const source = ctx.sessions.create(SessionId(`parent-${reason.kind}`)) + appendClosedTurn(source, 1, reason.kind, reason) + + const child = sessions.fork(source, lastSeq(source), SessionId(`child-${reason.kind}`)) + + expect(child.events.at(-1)?.type).toBe('turn/end') + expect(child.header.seedLength).toBe(source.events.length) + } + }) + + it('rejects invalid boundaries before creating a child', async () => { + const { ctx, sessions } = await setup() + const empty = ctx.sessions.create(SessionId('empty')) + expect(() => sessions.fork(empty, 0, SessionId('empty-child'))) + .toThrow(new SessionForkError('fork boundary 0 does not exist in session "empty" (last seq: none)', 'INVALID_BOUNDARY')) + expect(ctx.sessions.get(SessionId('empty-child'))).toBeUndefined() + + const source = ctx.sessions.create(SessionId('parent')) + appendClosedTurn(source, 1) + expect(() => sessions.fork(source, -1, SessionId('negative'))) + .toThrow(/non-negative safe integer/) + expect(() => sessions.fork(source, 0.5, SessionId('fraction'))) + .toThrow(/non-negative safe integer/) + expect(() => sessions.fork(source, Number.MAX_SAFE_INTEGER + 1, SessionId('unsafe'))) + .toThrow(/non-negative safe integer/) + expect(() => sessions.fork(source, source.seq, SessionId('past-end'))) + .toThrow(new SessionForkError(`fork boundary ${source.seq} does not exist in session "parent" (last seq: ${source.seq - 1})`, 'INVALID_BOUNDARY')) + }) + + it('rejects a corrupted live source whose array index no longer matches event seq', async () => { + const { ctx, sessions } = await setup() + const source = ctx.sessions.create(SessionId('corrupt-parent')) + appendClosedTurn(source, 1) + const mutableLog = (source as unknown as { log: SessionEvent[] }).log + mutableLog[2] = { ...mutableLog[2]!, seq: 99 } + + expect(() => sessions.fork(source, 2, SessionId('corrupt-child'))) + .toThrow(new SessionForkError('fork boundary 2 does not match a contiguous event seq in session "corrupt-parent"', 'INVALID_BOUNDARY')) + expect(ctx.sessions.get(SessionId('corrupt-child'))).toBeUndefined() + }) + + it('rejects an unknown live session id', async () => { + const { sessions } = await setup() + + expect(() => sessions.fork(SessionId('missing'))) + .toThrow(new SessionForkError('session "missing" not found', 'SESSION_NOT_FOUND')) + }) + + it('rejects a detached Session object that is not live in ctx.sessions', async () => { + const { sessions } = await setup() + const detached = new Session(SessionId('detached')) + + expect(() => sessions.fork(detached)) + .toThrow(new SessionForkError('session "detached" not found', 'SESSION_NOT_FOUND')) + }) + + it('rejects a stale Session object whose id is live on a different instance', async () => { + const { ctx, sessions } = await setup() + ctx.sessions.create(SessionId('same-id')) + const stale = new Session(SessionId('same-id')) + + expect(() => sessions.fork(stale)) + .toThrow(new SessionForkError('session "same-id" is not the live store instance', 'SESSION_NOT_LIVE')) + }) + + it('rejects selected slices whose boundary is inside an open turn', async () => { + const { ctx, sessions } = await setup() + const cases: [string, (session: Session) => number][] = [ + ['turn/start', (session) => { + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + return lastSeq(session) + }], + ['step/start', (session) => { + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('step/start', { turn: 1, step: 1 }) + return lastSeq(session) + }], + ['user/message', (session) => { + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('user/message', { content: [{ type: 'text', text: 'open' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + return lastSeq(session) + }], + ['assistant/message', (session) => { + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('step/start', { turn: 1, step: 1 }) + session.append('assistant/message', { turn: 1, step: 1, content: [{ type: 'text', text: 'partial' }] }, { surfaceOp: 'append' }) + return lastSeq(session) + }], + ['tool/call', (session) => { + const callId = CallId('call-open') + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('step/start', { turn: 1, step: 1 }) + session.append('assistant/message', { + turn: 1, + step: 1, + content: [{ type: 'tool-call', id: callId, name: 'bash', arguments: '{}' }], + }, { surfaceOp: 'append' }) + session.append('tool/call', { turn: 1, step: 1, callId, name: 'bash', arguments: '{}' }) + return lastSeq(session) + }], + ] + + for (const [lastType, build] of cases) { + const source = ctx.sessions.create(SessionId(`open-${lastType}`)) + const boundary = build(source) + + expect(() => sessions.fork(source, boundary)) + .toThrow(new SessionForkError(`fork boundary ${boundary} in session "open-${lastType}" must be turn/end, got ${lastType}`, 'OPEN_TURN')) + } + }) + + it('rejects a child session id that is already live with a typed fork error', async () => { + const { ctx, sessions } = await setup() + const source = ctx.sessions.create(SessionId('parent')) + appendClosedTurn(source, 1) + ctx.sessions.create(SessionId('child')) + + expect(() => sessions.fork(source, undefined, SessionId('child'))) + .toThrow(new SessionForkError('session "child" already exists', 'SESSION_ALREADY_EXISTS')) + }) + + it('rejects a duplicate child session id before validating the boundary', async () => { + const { ctx, sessions } = await setup() + const source = ctx.sessions.create(SessionId('open-parent')) + source.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + ctx.sessions.create(SessionId('child')) + + expect(() => sessions.fork(source, undefined, SessionId('child'))) + .toThrow(new SessionForkError('session "child" already exists', 'SESSION_ALREADY_EXISTS')) + }) +}) diff --git a/packages/core/session/tests/gen-persistence-catalog.spec.ts b/packages/core/session/tests/gen-persistence-catalog.spec.ts new file mode 100644 index 0000000000..bc4ab4fbb1 --- /dev/null +++ b/packages/core/session/tests/gen-persistence-catalog.spec.ts @@ -0,0 +1,225 @@ +/** + * Negative-path tests for the persistence log catalog generator + * (`scripts/gen-persistence-catalog.ts`). + * + * The generated catalog is frozen by a regenerate-and-diff freshness gate, so + * the freshness half is exercised by `pnpm run verify-persistence-catalog` in + * CI. What a freshness diff CANNOT prove is that the generator REJECTS + * malformed source the way it promises to — a member without description + * prose, a forbidden `@mode` tag, a non-literal member name, a duplicate event + * declaration, a missing or ambiguous `SurfaceEventType` union, a stale union + * member. These tests drive the exported collectors against synthetic fixture + * packages to prove each guard fires (and that well-formed declarations pass), + * mirroring the gen-cordis-catalog negative tests. + */ + +import { mkdtempSync, mkdirSync, rmSync, writeFileSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { + annotateSurface, + collectLogEvents, + collectSurfaceEventTypes, + render, +} from '../../../../scripts/gen-persistence-catalog.ts' + +/** Create a fixture scan root; `files` maps `packages/…`-relative paths to source. */ +function fixtureRoot(files: Record<string, string>): string { + const root = mkdtempSync(join(tmpdir(), 'persistence-catalog-')) + for (const [rel, source] of Object.entries(files)) { + const abs = join(root, rel) + mkdirSync(join(abs, '..'), { recursive: true }) + writeFileSync(abs, source) + } + return root +} + +const roots: string[] = [] +const make = (files: Record<string, string>): string => { + const r = fixtureRoot(files) + roots.push(r) + return r +} + +/** A merge-form declaration file wrapping `members` in the session module. */ +const merge = (members: string): string => + `declare module '@deepseek-ai/dsh-session' {\n interface SessionEventMap {\n${members}\n }\n}\n` + +afterEach(() => { + while (roots.length) rmSync(roots.pop()!, { recursive: true, force: true }) +}) + +/** The manifest that marks a fixture package as the owning session package. */ +const OWNER_MANIFEST = '{ "name": "@deepseek-ai/dsh-session" }\n' + +describe('gen-persistence-catalog collectLogEvents', () => { + it('extracts a documented member of the owning top-level interface', () => { + const events = collectLogEvents(make({ + 'packages/core/fix/package.json': OWNER_MANIFEST, + 'packages/core/fix/src/types.ts': + 'export interface SessionEventMap {\n /** A thing was recorded. */\n \'fix/happened\': { turn: number }\n}\n', + })) + expect(events).toHaveLength(1) + expect(events[0]).toMatchObject({ + name: 'fix/happened', + scope: 'fix', + doc: 'A thing was recorded.', + payload: '{ turn: number }', + source: 'packages/core/fix/src/types.ts:3', + }) + }) + + it('hard-errors on a top-level interface outside the owning package', () => { + expect(() => collectLogEvents(make({ + 'packages/group/alien/package.json': '{ "name": "@deepseek-ai/dsh-alien" }\n', + 'packages/group/alien/src/types.ts': + 'export interface SessionEventMap {\n /** Not the real vocabulary. */\n \'alien/event\': { turn: number }\n}\n', + }))).toThrow(/top-level interface SessionEventMap .* is outside @deepseek-ai\/dsh-session \(package @deepseek-ai\/dsh-alien\)/) + }) + + it('hard-errors on a non-exported top-level interface even in the owning package', () => { + expect(() => collectLogEvents(make({ + 'packages/core/fix/package.json': OWNER_MANIFEST, + 'packages/core/fix/src/helper.ts': + 'interface SessionEventMap {\n /** A local helper, not the vocabulary. */\n \'fix/local\': { turn: number }\n}\nexport const use: SessionEventMap | null = null\n', + }))).toThrow(/is not exported; the owning vocabulary is the single exported declaration/) + }) + + it('hard-errors when the owning interface is exported from two files', () => { + expect(() => collectLogEvents(make({ + 'packages/core/fix/package.json': OWNER_MANIFEST, + 'packages/core/fix/src/a.ts': 'export interface SessionEventMap {\n /** First home. */\n \'fix/a\': { turn: number }\n}\n', + 'packages/core/fix/src/b.ts': 'export interface SessionEventMap {\n /** Second home. */\n \'fix/b\': { turn: number }\n}\n', + }))).toThrow(/is already declared at packages\/core\/fix\/src\/a\.ts:1; the owning vocabulary has exactly one home/) + }) + + it('hard-errors on an extends clause (inherited keys would escape the catalog)', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/types.ts': + 'interface Extra { \'fix/hidden\': { turn: number } }\ndeclare module \'@deepseek-ai/dsh-session\' {\n interface SessionEventMap extends Extra {\n /** Declared directly. */\n \'fix/direct\': { turn: number }\n }\n}\n', + }))).toThrow(/uses extends; inherited keys would join keyof SessionEventMap without a catalog row/) + }) + + it('extracts a member declaration-merged via the session module', () => { + const events = collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge(' /** Merged provenance. */\n \'fix/merged\': { id: string }'), + })) + expect(events).toHaveLength(1) + expect(events[0]).toMatchObject({ name: 'fix/merged', doc: 'Merged provenance.' }) + }) + + it('collapses a newline-separated multi-line payload to a valid one-line fragment', () => { + const events = collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge( + ' /** Wide payload. */\n \'fix/wide\': {\n alpha: string[]\n range: { start: number; end: number }\n count: number\n }', + ), + })) + expect(events[0]?.payload).toBe('{ alpha: string[]; range: { start: number; end: number }; count: number }') + }) + + it('hard-errors on a member with no description prose', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge(' \'fix/undocumented\': { turn: number }'), + }))).toThrow(/no description prose/) + }) + + it('hard-errors on an @mode tag (a log event has no dispatch mode)', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge(' /**\n * Documented, but mistagged.\n * @mode emit\n */\n \'fix/tagged\': { turn: number }'), + }))).toThrow(/carries an @mode tag/) + }) + + it('hard-errors on an extra-indented @mode tag (does not leak into prose)', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge(' /**\n * Documented, but mistagged.\n * @mode emit\n */\n \'fix/indented\': { turn: number }'), + }))).toThrow(/carries an @mode tag/) + }) + + it('hard-errors on a method-form member (it still joins keyof SessionEventMap)', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge(' /** Documented, wrong shape. */\n \'fix/method\'(turn: number): void'), + }))).toThrow(/not a property signature with an explicit payload type/) + }) + + it('hard-errors on a property member with no payload type annotation', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge(' /** Documented, no payload. */\n \'fix/bare\''), + }))).toThrow(/not a property signature with an explicit payload type/) + }) + + it('hard-errors on a non-literal member name', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge(' /** Not a literal. */\n unquoted: { turn: number }'), + }))).toThrow(/non-literal name/) + }) + + it('hard-errors when the same event is declared twice', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/a.ts': merge(' /** First. */\n \'fix/dup\': { turn: number }'), + 'packages/group/fix/src/b.ts': merge(' /** Second. */\n \'fix/dup\': { turn: number }'), + }))).toThrow(/already declared at packages\/group\/fix\/src\/a\.ts/) + }) + + it('aggregates every violation into one error instead of failing fast', () => { + expect(() => collectLogEvents(make({ + 'packages/group/fix/src/types.ts': merge(' \'fix/one\': { turn: number }\n \'fix/two\': { turn: number }'), + }))).toThrow(/2 JSDoc completeness violation\(s\)[\s\S]*fix\/one[\s\S]*fix\/two/) + }) +}) + +describe('gen-persistence-catalog collectSurfaceEventTypes', () => { + it('parses the literal union', () => { + const types = collectSurfaceEventTypes(make({ + 'packages/core/fix/src/types.ts': 'export type SurfaceEventType = \'fix/a\' | \'fix/b\'\n', + })) + expect(types).toEqual(['fix/a', 'fix/b']) + }) + + it('hard-errors when no union is declared', () => { + expect(() => collectSurfaceEventTypes(make({ + 'packages/core/fix/src/types.ts': 'export const unrelated = 1\n', + }))).toThrow(/no SurfaceEventType union found/) + }) + + it('hard-errors when the union is declared more than once', () => { + expect(() => collectSurfaceEventTypes(make({ + 'packages/core/fix/src/a.ts': 'export type SurfaceEventType = \'fix/a\'\n', + 'packages/core/fix/src/b.ts': 'export type SurfaceEventType = \'fix/b\'\n', + }))).toThrow(/declared more than once/) + }) + + it('hard-errors on a non-string-literal union member', () => { + expect(() => collectSurfaceEventTypes(make({ + 'packages/core/fix/src/types.ts': 'export type SurfaceEventType = \'fix/a\' | number\n', + }))).toThrow(/non-string-literal member/) + }) +}) + +describe('gen-persistence-catalog annotateSurface + render', () => { + const entry = (name: string) => ({ + name, + scope: name.split('/')[0] ?? name, + payload: '{ turn: number }', + doc: `Records ${name}.`, + source: 'packages/core/fix/src/types.ts:3', + }) + + it('badges union members surface and everything else log-only', () => { + const annotated = annotateSurface([entry('fix/message'), entry('fix/marker')], ['fix/message']) + expect(annotated.map(e => [e.name, e.surface])).toEqual([['fix/message', true], ['fix/marker', false]]) + }) + + it('hard-errors on a union member naming no declared event', () => { + expect(() => annotateSurface([entry('fix/marker')], ['fix/ghost'])) + .toThrow(/'fix\/ghost' name no declared log event/) + }) + + it('renders badges, payload fences, and the generated-file header', () => { + const out = render(annotateSurface([entry('fix/message'), entry('fix/marker')], ['fix/message'])) + expect(out).toContain('Generated by scripts/gen-persistence-catalog.ts') + expect(out).toContain('#### `fix/message` — surface') + expect(out).toContain('#### `fix/marker` — log-only') + expect(out).toContain('```ts persistence-catalog\n\'fix/marker\': { turn: number }\n```') + }) +}) diff --git a/packages/core/session/tests/properties.spec.ts b/packages/core/session/tests/properties.spec.ts index 4be0cbcf6d..c3a887e14f 100644 --- a/packages/core/session/tests/properties.spec.ts +++ b/packages/core/session/tests/properties.spec.ts @@ -109,15 +109,17 @@ describe('Session properties', () => { )) }) - it('every derived message has a known role and decoupled content', () => { + it('every derived message has a known role and is frozen (append-only contract)', () => { fc.assert(fc.property(logArb, (events) => { const session = build(events) const messages = session.deriveMessages() const before = structuredClone(session.events) for (const m of messages) { expect(['user', 'assistant', 'system']).toContain(m.role) - // Mutating derived content must not touch the log (append-only). - m.content.push({ type: 'text', text: 'mutation' }) + // Derived messages are frozen shared projections: mutation THROWS + // (strict mode) instead of relying on per-call clones for isolation. + expect(Object.isFrozen(m)).toBe(true) + expect(() => { m.content.push({ type: 'text', text: 'mutation' }) }).toThrow(TypeError) } expect(session.events).toEqual(before) })) diff --git a/packages/core/session/tests/request-header.spec.ts b/packages/core/session/tests/request-header.spec.ts new file mode 100644 index 0000000000..8a5af819c3 --- /dev/null +++ b/packages/core/session/tests/request-header.spec.ts @@ -0,0 +1,186 @@ +/** + * Request-header utility tests: canonical form, the system line-diff + * (prefix/suffix trim), the name-keyed tools delta, config replacement, the + * round-trip contract (including the reorder case the encoding cannot + * express), and the log fold. These pin the reconstruction algebra: for every + * logged delta, apply(prev, delta) === next, and folding a log prefix yields + * the header its next request was built under. + */ + +import { describe, expect, it } from 'vitest' +import { Session, SessionId, applyHeaderDelta, canonicalHeader, diffHeader, foldRequestHeader, headerEquals } from '@deepseek-ai/dsh-session' +import type { EpochHeader, SessionEvent } from '@deepseek-ai/dsh-session' +import type { Message, ToolSchema } from '@deepseek-ai/dsh-llm' + +const CONFIG = { model: 'm' } + +function tool(name: string, description = 'd'): ToolSchema { + return { name, description, parameters: { type: 'object' } } +} + +function msg(text: string): Message { + return { role: 'user', content: [{ type: 'text', text }] } +} + +/** Round-trip helper: diff must reproduce `next` from `prev` exactly. */ +function roundTrip(prev: EpochHeader, next: EpochHeader): ReturnType<typeof diffHeader> { + const delta = diffHeader(prev, next) + if (delta !== undefined) { + expect(applyHeaderDelta(prev, delta)).toEqual(canonicalHeader(next)) + } + return delta +} + +describe('canonicalHeader', () => { + it('normalizes empty system and empty tools to absent fields', () => { + expect(canonicalHeader({ config: CONFIG, system: '', tools: [] })).toEqual({ config: CONFIG }) + const full = canonicalHeader({ config: CONFIG, system: 's', tools: [tool('a')] }) + expect(full.system).toBe('s') + expect(full.tools).toHaveLength(1) + }) +}) + +describe('diffHeader / applyHeaderDelta', () => { + it('returns undefined for equal headers', () => { + const header = canonicalHeader({ config: CONFIG, system: 'a\nb', tools: [tool('t')] }) + expect(diffHeader(header, header)).toBeUndefined() + }) + + it('encodes a mid-prompt line change as a prefix/suffix trim', () => { + const prev = canonicalHeader({ config: CONFIG, system: 'keep1\nold\nkeep2\nkeep3' }) + const next = canonicalHeader({ config: CONFIG, system: 'keep1\nnew A\nnew B\nkeep2\nkeep3' }) + const delta = roundTrip(prev, next) + expect(delta?.system).toEqual({ keepStart: 1, keepEnd: 2, insert: ['new A', 'new B'] }) + expect(delta?.tools).toBeUndefined() + expect(delta?.config).toBeUndefined() + }) + + it('degenerates to a full replacement when nothing is shared, and round-trips absence transitions', () => { + const none = canonicalHeader({ config: CONFIG }) + const some = canonicalHeader({ config: CONFIG, system: 'x\ny' }) + const gained = roundTrip(none, some) + expect(gained?.system).toEqual({ keepStart: 0, keepEnd: 0, insert: ['x', 'y'] }) + const lost = roundTrip(some, none) + expect(lost?.system).toEqual({ keepStart: 0, keepEnd: 0, insert: [] }) + }) + + it('does not double-count overlapping prefix and suffix (repeated lines)', () => { + const prev = canonicalHeader({ config: CONFIG, system: 'a\na' }) + const next = canonicalHeader({ config: CONFIG, system: 'a\na\na' }) + roundTrip(prev, next) + }) + + it('encodes tool addition, removal, and in-place schema change by name', () => { + const prev = canonicalHeader({ config: CONFIG, tools: [tool('keep'), tool('drop'), tool('edit', 'before')] }) + const next = canonicalHeader({ config: CONFIG, tools: [tool('keep'), tool('edit', 'after'), tool('new')] }) + const delta = roundTrip(prev, next) + expect(delta?.tools?.added.map(t => t.name)).toEqual(['new']) + expect(delta?.tools?.removed).toEqual(['drop']) + expect(delta?.tools?.changed.map(t => t.name)).toEqual(['edit']) + }) + + it('round-trips a tool set gained from a tool-less header and lost back to one', () => { + const none = canonicalHeader({ config: CONFIG }) + const some = canonicalHeader({ config: CONFIG, tools: [tool('t')] }) + const gained = roundTrip(none, some) + expect(gained?.tools?.added.map(t => t.name)).toEqual(['t']) + const lost = roundTrip(some, none) + expect(lost?.tools?.removed).toEqual(['t']) + }) + + it('cannot express a pure reordering — the writer detects it via the round-trip check', () => { + const prev = canonicalHeader({ config: CONFIG, tools: [tool('a'), tool('b')] }) + const next = canonicalHeader({ config: CONFIG, tools: [tool('b'), tool('a')] }) + const delta = diffHeader(prev, next) + // A delta IS produced (the lists differ)… + expect(delta).toBeDefined() + // …but applying it cannot reproduce the new order — exactly the case the + // writer's guard turns into a 'fallback' snapshot. + expect(applyHeaderDelta(prev, delta!)).not.toEqual(next) + }) + + it('replaces the config whole and leaves untouched parts alone', () => { + const prev = canonicalHeader({ config: { model: 'm' }, system: 's', tools: [tool('t')] }) + const next = canonicalHeader({ config: { model: 'm2', temperature: 0.1 }, system: 's', tools: [tool('t')] }) + const delta = roundTrip(prev, next) + expect(delta).toEqual({ config: { model: 'm2', temperature: 0.1 } }) + }) +}) + +describe('the session prefix (messagePrefix)', () => { + it('canonicalHeader normalizes an empty prefix to an absent field', () => { + expect(canonicalHeader({ config: CONFIG, messagePrefix: [] })).toEqual({ config: CONFIG }) + const full = canonicalHeader({ config: CONFIG, messagePrefix: [msg('p')] }) + expect(full.messagePrefix).toEqual([msg('p')]) + }) + + it('headerEquals treats absence and empty as one representation, content differences as unequal', () => { + expect(headerEquals(canonicalHeader({ config: CONFIG }), { config: CONFIG, messagePrefix: [] })).toBe(true) + expect(headerEquals({ config: CONFIG, messagePrefix: [msg('a')] }, { config: CONFIG, messagePrefix: [msg('b')] })).toBe(false) + expect(headerEquals({ config: CONFIG, messagePrefix: [msg('a')] }, { config: CONFIG })).toBe(false) + }) + + it('replaces a changed prefix whole and leaves untouched parts alone', () => { + const prev = canonicalHeader({ config: CONFIG, system: 'keep', messagePrefix: [msg('old')] }) + const next = canonicalHeader({ config: CONFIG, system: 'keep', messagePrefix: [msg('new'), msg('more')] }) + const delta = roundTrip(prev, next) + expect(delta).toEqual({ messagePrefix: [msg('new'), msg('more')] }) + }) + + it('round-trips a prefix gained from a bare header and lost back to one (empty array encodes absence)', () => { + const none = canonicalHeader({ config: CONFIG }) + const some = canonicalHeader({ config: CONFIG, messagePrefix: [msg('p')] }) + const gained = roundTrip(none, some) + expect(gained).toEqual({ messagePrefix: [msg('p')] }) + const lost = roundTrip(some, none) + expect(lost).toEqual({ messagePrefix: [] }) + }) + + it('folds prefix deltas over the log like any other header amendment', () => { + const session = new Session(SessionId('fold-prefix')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const first = canonicalHeader({ config: CONFIG, messagePrefix: [msg('catalog v1')] }) + session.append('request/header', { header: first, reason: 'initial' }) + const second = canonicalHeader({ config: CONFIG, messagePrefix: [msg('catalog v2')] }) + session.append('request/header-delta', diffHeader(first, second)!) + expect(foldRequestHeader(session.events)).toEqual(second) + session.append('request/header-delta', diffHeader(second, canonicalHeader({ config: CONFIG }))!) + expect(foldRequestHeader(session.events)).toEqual({ config: CONFIG }) + }) +}) + +describe('foldRequestHeader', () => { + function headerEvents(session: Session): readonly SessionEvent[] { + return session.events + } + + it('returns undefined on a log with no header events', () => { + const session = new Session(SessionId('fold-none')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + expect(foldRequestHeader(headerEvents(session))).toBeUndefined() + }) + + it('folds snapshot then deltas into the header in force, skipping unrelated events', () => { + const session = new Session(SessionId('fold')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const first = canonicalHeader({ config: { model: 'm' }, system: 'a\nb', tools: [tool('t')] }) + session.append('request/header', { header: first, reason: 'initial' }) + session.append('user/message', { content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + + const second = canonicalHeader({ config: { model: 'm' }, system: 'a\nc', tools: [tool('t')] }) + session.append('request/header-delta', diffHeader(first, second)!) + expect(foldRequestHeader(headerEvents(session))).toEqual(second) + + // A later snapshot replaces the state wholesale (the 'resume'/'fallback' anchor). + const third = canonicalHeader({ config: { model: 'other' } }) + session.append('request/header', { header: third, reason: 'resume' }) + expect(foldRequestHeader(headerEvents(session))).toEqual(third) + }) + + it('throws on a delta before any snapshot (corrupt log)', () => { + const session = new Session(SessionId('fold-corrupt')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('request/header-delta', { config: { model: 'x' } }) + expect(() => foldRequestHeader(headerEvents(session))).toThrow(/before any request\/header snapshot/) + }) +}) diff --git a/packages/core/session/tests/session.spec.ts b/packages/core/session/tests/session.spec.ts index 27f8b5d420..f338b635f3 100644 --- a/packages/core/session/tests/session.spec.ts +++ b/packages/core/session/tests/session.spec.ts @@ -61,8 +61,10 @@ describe('Session', () => { it('replays identically from a seeded event log', () => { const original = new Session(SessionId('s3')) + original.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) original.append('user/message', { content: [{ type: 'text', text: 'q' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) original.append('assistant/message', { turn: 1, step: 1, content: [{ type: 'text', text: 'a' }] }, { surfaceOp: 'append' }) + original.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) const replayed = new Session(SessionId('s3-replay'), [...original.events]) expect(replayed.deriveMessages()).toEqual(original.deriveMessages()) @@ -78,19 +80,25 @@ describe('Session', () => { }, { surfaceOp: 'append' }) const before = structuredClone(session.events) - // A request middleware / adapter mutates the messages it was handed. + // A misbehaving consumer tries to mutate the messages it was handed. + // Derived messages are frozen shared projections (cloned once off the + // log, then deep-frozen): every mutation attempt THROWS in strict mode — + // isolation by unrepresentability, not by per-call cloning. const messages = session.deriveMessages() const userBlock = messages[0]!.content[0]! - if (userBlock.type === 'text') userBlock.text = 'HACKED' + expect(() => { if (userBlock.type === 'text') userBlock.text = 'HACKED' }).toThrow(TypeError) const toolBlock = messages[1]!.content[0]! - if (toolBlock.type === 'tool-result') { - toolBlock.content.push({ type: 'text', text: 'injected' }) - } - messages[0]!.content.push({ type: 'text', text: 'extra' }) + expect(() => { + if (toolBlock.type === 'tool-result') toolBlock.content.push({ type: 'text', text: 'injected' }) + }).toThrow(TypeError) + expect(() => { messages[0]!.content.push({ type: 'text', text: 'extra' }) }).toThrow(TypeError) + // The returned ARRAY is the caller's own snapshot, though — reordering it + // is the caller's business and never reaches the cache or the log. + messages.reverse() // The log is unchanged: deep-equal to the snapshot taken before mutation. expect(session.events).toEqual(before) - // And a fresh derivation still reflects the original content. + // And a fresh derivation still reflects the original content and order. expect(session.deriveMessages()[0]!.content).toEqual([{ type: 'text', text: 'original' }]) }) @@ -417,7 +425,9 @@ describe('todo/write event', () => { it('round-trips through a seeded replay identically (durable, no surfaceOp needed)', () => { const original = new Session(SessionId('t4')) + original.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) original.append('todo/write', { todos: [{ content: 'only', status: 'completed' }] }) + original.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) // Seeding a non-surface event with no surfaceOp must not throw. const replayed = new Session(SessionId('t4-replay'), [...original.events]) expect(replayed.events.findLast(e => e.type === 'todo/write')!.data.todos) diff --git a/packages/core/session/tests/surface.spec.ts b/packages/core/session/tests/surface.spec.ts index 6a37e6fcab..257828e466 100644 --- a/packages/core/session/tests/surface.spec.ts +++ b/packages/core/session/tests/surface.spec.ts @@ -334,3 +334,26 @@ describe('surface type guards', () => { expect(isSurfaceEvent(markerless)).toBe(false) }) }) + +describe('SurfaceManager.replaceGeneration', () => { + it('folds the pending log delta on access and counts replaces and invalidations', () => { + const s = new Session(SessionId('gen')) + s.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + s.append('user/message', { content: [{ type: 'text', text: 'one' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + s.append('user/message', { content: [{ type: 'text', text: 'two' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + // Read the generation FIRST — before nodes — so the getter itself folds + // the pending delta rather than piggybacking on a nodes read. + expect(s.surface.replaceGeneration).toBe(0) + + const nodes = s.surface.nodes + s.append('context/message', { + content: [{ type: 'text', text: 'summary' }], source: { kind: 'plugin', plugin: 'compact' }, + }, { surfaceOp: { op: 'replace', start: nodes[0]!.seq, end: nodes[1]!.seq }, sourceEventSeqs: [nodes[0]!.seq, nodes[1]!.seq] }) + expect(s.surface.replaceGeneration).toBe(1) + + // invalidate() is a rewrite too: the generation moves forward (and the + // refold re-counts the replace), never backwards. + s.surface.invalidate() + expect(s.surface.replaceGeneration).toBeGreaterThan(1) + }) +}) diff --git a/packages/core/system-prompt/README.md b/packages/core/system-prompt/README.md index 1c18bdf1d6..704cd8e80f 100644 --- a/packages/core/system-prompt/README.md +++ b/packages/core/system-prompt/README.md @@ -1,37 +1,49 @@ # dsh-system-prompt -System prompt assembly registry. Plugins contribute ordered text sections and tool-schema providers; the agent loop calls `assemble()` once per step. +System prompt assembly registry. Plugins contribute ordered text sections, tool-schema providers, and named prompt variables; the agent loop calls `assemble(context)` once per step, and `renderPrompt(assembly)` is the full system prompt the model sees. The plugin registers the harness-owned openers itself — the static `harness:identity` section and the deployment's `deployment:persona` section — so they exist for every agent regardless of which loop plugin drives it. + +## Config + +| Key | Default | Meaning | +|---|---|---| +| `persona` | `''` | The deployment persona: the ONE deployment-authored prompt fragment, rendered as the order-0 `deployment:persona` section and shared by every agent in the context (subagents included). A template — complete `{{…}}` groups are interpreted strictly against the registered variables (the shipped loop registers `{{model}}`/`{{cwd}}`), with no escape syntax for literal braces yet. Empty ⇒ the section is dropped at render. | +| `toolOrder` | — | Explicit model-facing tool order, as a list of `ToolSchema.name`s with one `'<unlisted-tools>'` rest entry (`TOOL_ORDER_REST`): listed tools take their listed position, unlisted tools land at the rest entry in lexicographic name order. Absent ⇒ plain lexicographic name order. Applied to the collected tools BEFORE the `system-prompt/assemble` waterfall — like the sections' `order` sort, it canonicalizes what the registry contributed (registration order is a plugin-load artifact), and a waterfall listener that mutates the list owns the determinism of what it emits. Misconfiguration fails loud: a list without exactly one rest entry, or with duplicates, throws at load; a listed name with no registered tool rejects every `assemble()`; a tool provider returning the reserved rest-entry name also rejects. Under the shipped loop the turn fails before any model request. Why a central list and not per-plugin weights: [Explicit model-facing tool order](../../../docs/rfc/implemented/feature/2026-07-06-explicit-tool-order.md). | ## Service: `SystemPrompt` (ctx key: `systemPrompt`) ### Public API -- `ctx.systemPrompt.section(section: PromptSection): () => void` Contribute a section. Disposed with the calling fiber. -- `ctx.systemPrompt.tools(provider: () => ToolSchema[]): () => void` Contribute tool schemas (evaluated at each assembly). Disposed with the calling fiber. -- `ctx.systemPrompt.assemble(): Promise<PromptAssembly>` Assemble the current prompt. Runs through the `system-prompt/assemble` waterfall. +- `ctx.systemPrompt.section(section: PromptSection): () => void` Contribute a section. Duplicate names throw. Disposed with the calling fiber. +- `ctx.systemPrompt.tools(provider: () => ToolSchema[]): () => void` Contribute tool schemas (evaluated at each assembly). A provider must not return a schema named `TOOL_ORDER_REST`; that name is reserved for `toolOrder`'s rest entry. Disposed with the calling fiber. +- `ctx.systemPrompt.variable(name: string, provider: (context) => string | undefined): () => void` Contribute a prompt variable, referenced from section text as `{{name}}`. Duplicate or unreferenceable names throw; `undefined` means "no value for this assembly". Disposed with the calling fiber. +- `ctx.systemPrompt.assemble(context?: AssembleContext): Promise<PromptAssembly>` Assemble the prompt for one caller. Runs through the `system-prompt/assemble` waterfall. Rejects when a configured `toolOrder` names a tool no provider contributed, or when a provider returns the reserved rest-entry name. ### Events | Event | Mode | Purpose | |---|---|---| -| `system-prompt/assemble` | waterfall | Mutate/extend the assembly before it reaches the model | -| `system-prompt/change` | emit | A section or tool provider was registered or unregistered | +| `system-prompt/assemble` | waterfall | Mutate/extend the assembly (with the caller's context) before it reaches the model | +| `system-prompt/change` | emit | A section, tool provider, or variable was registered or unregistered | ### Key types -- `PromptSection` — `{ name, order, text: string | (() => string) }`. Sections are concatenated in ascending `order`. -- `PromptAssembly` — `{ sections: PromptSection[], tools: ToolSchema[] }`. Tool schemas are part of the assembly by design: "what the model is told it can do" is one coherent thing, even though adapters transmit schemas as a separate wire field. -- `renderPrompt(assembly)` — joins section texts with blank lines. +- `AssembleContext` — what one `assemble()` call is FOR. Declared empty here and merge-extensible; `dsh-agent` declares `agent?: Agent`, so providers project per-agent facts. Providers must tolerate absent fields (a bare `assemble()` carries an empty context). +- `PromptSection` — `{ name, order, text: string | ((context) => string) }`. Sections are concatenated in ascending `order`. Order bands: `-100` is the harness identity, `0` the deployment persona (both registered by this plugin), tool guidance uses `100–199`; other negative orders also render before the persona. +- `PromptAssembly` — `{ sections: AssembledSection[], tools: ToolSchema[], variables: Record<string, string | undefined> }`. Section texts arrive resolved but not yet interpolated; `variables` holds every registered variable resolved against the context. Tool schemas are part of the assembly by design: "what the model is told it can do" is one coherent thing, even though adapters transmit schemas as a separate wire field. +- `renderPrompt(assembly)` — interpolates `{{variable}}` references in each section, drops empty sections, joins with blank lines. STRICT: an unknown reference (`Object.hasOwn` lookup — prototype names like `{{constructor}}` are unknown), a registered-but-valueless reference, a malformed complete `{{…}}` group, or a `{{` that opens no complete group while a `}}` still follows (`{{{model}}}`) throws — fail loud beats shipping a malformed prompt. A lone `{{` with no `}}` anywhere after it passes through verbatim; substituted values are never re-scanned. -Merge-extensible: plugins can declare extra fields on `PromptAssembly` via declaration merging. +Merge-extensible: plugins can declare extra fields on `PromptAssembly` and `AssembleContext` via declaration merging. ### Extension points -- Section providers: AGENTS.md reader, cwd notifier, persona config, etc. +- Section providers: tool packages own their cross-call guidance (`tool:bash`, `tool:read`, …); this plugin owns `harness:identity` and `deployment:persona`. +- Variable providers: the agent loop registers `model` and `cwd`; any plugin can register the facts it owns (a future `date`, git state, …). - Tool schema providers: `ToolRegistry` registers itself as a tool provider automatically. -- The `system-prompt/assemble` waterfall: mutate or replace the assembly (system-prompt configurability, dynamic tool filtering). +- The `system-prompt/assemble` waterfall: mutate or replace the assembly per caller (dynamic tool filtering, extra variables). ### What is NOT here -- Any hardcoded prompt text — every section comes from plugins. +- Any deployment-authored prompt text outside config — the persona is this plugin's `persona` config, and every other section comes from the plugin that owns the fact. (The `harness:identity` line is deliberately a code literal: a harness fact, not a deployment choice; the `system-prompt/assemble` waterfall is the escape valve for a deployment that must drop it.) - Prompt compaction (belongs on the `agent/pre-step` seam in `dsh-agent`). + +Design rationale: [the prompt-variables RFC](../../../docs/rfc/implemented/architecture/2026-07-05-prompt-variables-and-tool-guidance-ownership.md). diff --git a/packages/core/system-prompt/package.json b/packages/core/system-prompt/package.json index 672f7a03ef..d97a7b8538 100644 --- a/packages/core/system-prompt/package.json +++ b/packages/core/system-prompt/package.json @@ -25,6 +25,9 @@ "@deepseek-ai/dsh-llm": "^0.0.1", "cordis": "^4.0.0-rc.6" }, + "dependencies": { + "schemastery": "^3.18.0" + }, "devDependencies": { "@deepseek-ai/dsh-llm": "workspace:^", "cordis": "^4.0.0-rc.6" diff --git a/packages/core/system-prompt/src/index.ts b/packages/core/system-prompt/src/index.ts index 37dc10b9ee..81ca8087bb 100644 --- a/packages/core/system-prompt/src/index.ts +++ b/packages/core/system-prompt/src/index.ts @@ -1,12 +1,19 @@ /** - * System prompt assembly registry. Plugins contribute ordered text sections and - * tool schema providers; `assemble()` collates them through a waterfall that - * runs once per step. + * System prompt assembly registry. Plugins contribute ordered text sections, + * tool schema providers, and named prompt variables; `assemble(context)` + * collates them through a waterfall that runs once per step, and + * `renderPrompt` interpolates `{{variable}}` references into the final text. + * + * The harness-owned prompt openers live here too: this plugin registers the + * static `harness:identity` section (order −100) and the deployment's + * `deployment:persona` section (order 0, from its `persona` config), so they + * exist for every agent regardless of which loop plugin drives it. * * @module @deepseek-ai/dsh-system-prompt */ import { Context, Service } from 'cordis' +import z from 'schemastery' import type { ToolSchema } from '@deepseek-ai/dsh-llm' declare module 'cordis' { @@ -17,30 +24,63 @@ declare module 'cordis' { interface Events { /** * Waterfall around prompt assembly — mutate or extend the - * {@link PromptAssembly} (sections + tool schemas) before it is rendered. - * Bound to the {@link SystemPrompt} service; call `next()` to delegate. - * @param assembly - the assembly built from the registered sections and - * tool providers; listeners may mutate it or return a replacement. + * {@link PromptAssembly} (sections + tools + variables) before it is + * rendered. Bound to the {@link SystemPrompt} service; call `next()` to + * delegate. + * @param assembly - the assembly built from the registered sections, tool + * providers, and variable providers; listeners may mutate it or return a + * replacement. + * @param context - the per-assembly {@link AssembleContext} the caller + * passed to {@link SystemPrompt.assemble} (e.g. which agent the prompt + * is for), so a listener can filter or extend per agent. * @mode waterfall */ - 'system-prompt/assemble'(this: SystemPrompt, assembly: PromptAssembly, next: () => Promise<PromptAssembly>): Promise<PromptAssembly> + 'system-prompt/assemble'(this: SystemPrompt, assembly: PromptAssembly, context: AssembleContext, next: () => Promise<PromptAssembly>): Promise<PromptAssembly> /** - * A section or tool provider was registered or unregistered (the assembly - * inputs changed). + * A section, tool provider, or variable provider was registered or + * unregistered (the assembly inputs changed). * @mode emit */ 'system-prompt/change'(): void } } -/** One contributed section of the system prompt. */ +/** + * Per-assembly input: what one {@link SystemPrompt.assemble} call is FOR. + * Declared empty here so this package stays agnostic of who assembles; + * merge-extensible — `@deepseek-ai/dsh-agent` declares the `agent` field, so + * section text and variable providers can be functions of the calling agent. + * Every field is optional by nature: a bare `assemble()` (tests, diagnostics) + * carries an empty context, and providers must tolerate absent fields. + */ +export interface AssembleContext {} + +/** One contributed section of the system prompt (registry input). */ export interface PromptSection { - /** Unique name (diagnostics / dedup). */ + /** Unique name — a duplicate registration throws (see {@link SystemPrompt.section}). */ name: string - /** Sections are concatenated in ascending order. */ + /** + * Sections are concatenated in ascending order. Convention: `-100` is the + * harness identity, `0` the deployment persona, tool guidance uses 100–199; + * other negative orders also render before the persona. + */ order: number - /** Static text or a provider evaluated at each assembly. */ - text: string | (() => string) + /** + * Static text or a provider evaluated at each assembly with that assembly's + * {@link AssembleContext}. The text may reference `{{variable}}`s — they are + * interpolated later, by {@link renderPrompt}. + */ + text: string | ((context: AssembleContext) => string) +} + +/** One section of an assembly: {@link PromptSection} with its text resolved. */ +export interface AssembledSection { + /** The contributing section's unique name. */ + name: string + /** The contributing section's order (sections arrive sorted ascending). */ + order: number + /** The resolved (but not yet interpolated) section text. */ + text: string } /** @@ -48,45 +88,260 @@ export interface PromptSection { * * Tool schemas are part of the assembly by design: "what the model is told it * can do" is one coherent thing managed here, even though adapters transmit - * `tools` as a separate wire field rather than prompt text. + * `tools` as a separate wire field rather than prompt text. They arrive in + * the canonical model-facing order (see {@link Config.toolOrder}). + * + * `variables` carries every registered prompt variable resolved against this + * assembly's context — key present means registered, `undefined` value means + * "no value for this assembly" (referencing it renders an error). Section + * texts are resolved but NOT yet interpolated; {@link renderPrompt} applies + * the variables, so waterfall listeners can still add sections or variables. * * Merge-extensible: plugins can declare extra fields on this interface. */ export interface PromptAssembly { - sections: PromptSection[] + sections: AssembledSection[] tools: ToolSchema[] + variables: Record<string, string | undefined> } -/** Renders the text part of an assembly (sections joined by blank lines). */ +/** Valid variable names: how they are written between the braces. */ +const VARIABLE_NAME = /^[a-z][a-z0-9_]*$/ + +/** A complete `{{...}}` reference group at the scan position (validated after). */ +const GROUP_AT = /^\{\{([^{}]*)\}\}/ + +/** + * The rest entry for {@link Config.toolOrder}: the position where registered + * tools not named in the list are inserted (in lexicographic name order). + * Reserved: collected tool schemas using this name are rejected before + * ordering, so the marker can never collide with a real model-facing tool. + */ +export const TOOL_ORDER_REST = '<unlisted-tools>' + +/** + * Validate a configured tool-order list's shape at service construction: + * the {@link TOOL_ORDER_REST} rest entry exactly once, no duplicate names. + * Returns the list (or undefined when unconfigured); throws otherwise, + * failing the service at load — a bad order config must never reach an + * assembly. Whether every listed name matches a registered tool is checked + * at each assembly instead ({@link orderTools}): tool plugins register after + * this service constructs, so the tool set does not exist yet here. + */ +function validateToolOrder(toolOrder: string[] | undefined): string[] | undefined { + if (toolOrder === undefined) return undefined + const seen = new Set<string>() + for (const name of toolOrder) { + if (seen.has(name)) throw new Error(`toolOrder lists "${name}" more than once`) + seen.add(name) + } + if (!seen.has(TOOL_ORDER_REST)) { + throw new Error(`toolOrder must contain the "${TOOL_ORDER_REST}" rest entry (where unlisted tools are inserted)`) + } + return toolOrder +} + +/** + * Order collected tool schemas by the validated policy: with no configured + * list, plain lexicographic name order; with one, listed names take their + * listed position and every unlisted tool lands at the + * {@link TOOL_ORDER_REST} rest entry in lexicographic name order. A listed + * name with no collected tool throws — misconfiguration fails loud, and this + * is the earliest moment the registered tool set exists to check against + * (tool plugins register after the service constructs, so load time is too + * early): the assembly rejects, failing the caller's turn before any model + * request. Never drops a tool, and both sorts are stable, so tools sharing a + * name keep their collection order. + */ +function orderTools(tools: ToolSchema[], toolOrder: string[] | undefined): ToolSchema[] { + const reserved = tools.find(tool => tool.name === TOOL_ORDER_REST) + if (reserved !== undefined) { + throw new Error(`tool provider returned reserved tool name "${TOOL_ORDER_REST}" (reserved for toolOrder's rest entry)`) + } + if (toolOrder === undefined) return tools.sort(compareToolNames) + const registered = new Set(tools.map(tool => tool.name)) + const unknown = toolOrder.filter(name => name !== TOOL_ORDER_REST && !registered.has(name)) + if (unknown.length > 0) { + throw new Error(`toolOrder lists unregistered tool${unknown.length > 1 ? 's' : ''} ${unknown.map(name => `"${name}"`).join(', ')}; registered tools: ${[...registered].sort().join(', ') || '(none)'}`) + } + const listed = new Set(toolOrder) + const rest = tools.filter(tool => !listed.has(tool.name)).sort(compareToolNames) + return toolOrder.flatMap(name => + name === TOOL_ORDER_REST ? rest : tools.filter(tool => tool.name === name)) +} + +/** Lexicographic (code-unit) name comparison — locale-independent, so the order is identical on every machine. */ +function compareToolNames(a: ToolSchema, b: ToolSchema): number { + return a.name < b.name ? -1 : a.name > b.name ? 1 : 0 +} + +/** Plugin config: the deployment-authored fragment of the system prompt (see {@link Config.persona} for its contract). */ +export interface Config { + /** + * The deployment's persona — the ONE deployment-authored fragment of the + * system prompt, rendered as the order-0 `deployment:persona` section + * (after the harness identity, before all tool guidance). Every agent in + * the context shares it, subagents included. Template, not free-form text: + * every complete `{{…}}` group is interpreted strictly against the + * registered prompt variables (the shipped agent loop registers `{{model}}` + * and `{{cwd}}`), and there is no escape syntax for literal `{{…}}` prose + * yet (a deliberate deferral; see the prompt-variables RFC). Defaults to + * `''` — the empty section is dropped at render, so a persona-less + * deployment opens with the harness identity alone. + */ + persona?: string + /** + * Explicit model-facing tool order, as a list of `ToolSchema.name`s: listed + * tools take their listed position, and tools absent from the list are + * inserted at the {@link TOOL_ORDER_REST} (`'<unlisted-tools>'`) entry in + * lexicographic name order. A configured list must contain the rest entry + * exactly once, no duplicate names, and no name without a registered tool — + * a misconfigured order blocks work instead of silently reaching a model + * request: shape violations throw at load, and an unregistered name rejects + * every assembly. `TOOL_ORDER_REST` is reserved for the list marker and may + * not be a collected tool name; such a provider output also rejects the + * assembly. The single assembly-time validation rejects either failure + * before any model request — the earliest moment the registered tool set + * exists to check against, since tool plugins register after this service + * constructs. When omitted, tools are ordered lexicographically by name. + * Applied to the tools + * {@link SystemPrompt.assemble} collects, BEFORE the + * `system-prompt/assemble` waterfall — like the sections' `order` sort, it + * canonicalizes what the registry contributed (registration order is a + * plugin-load artifact); a waterfall listener that mutates the tool list + * owns the determinism of what it emits. Rationale (and why not per-plugin + * weights): docs/rfc/implemented/feature/2026-07-06-explicit-tool-order.md. + */ + toolOrder?: string[] +} + +/** + * Renders the text part of an assembly: interpolates `{{variable}}` + * references in each section from `assembly.variables`, drops empty sections, + * and joins the rest with blank lines. + * + * Strict by design (fail loud beats shipping a malformed prompt): a reference + * to an unregistered variable, to a registered variable with no value for + * this assembly, a complete `{{…}}` group that is not a well-formed variable + * name (e.g. `{{ model }}`), or a `{{` that does not open a complete group + * while a `}}` still follows (e.g. `{{{model}}}`, `{{a{b}}`) all throw. A + * lone `{{` with no `}}` anywhere after it is ordinary prose and passes + * through verbatim. Substituted values are never re-scanned. + * @param assembly - the assembly to render (typically the awaited result of + * {@link SystemPrompt.assemble}); only `sections` and `variables` are read. + * @returns the full system prompt text; `''` when every section renders empty + * (the caller then sends no system prompt at all). + */ export function renderPrompt(assembly: PromptAssembly): string { return assembly.sections - .map(section => typeof section.text === 'function' ? section.text() : section.text) + .map(section => interpolate(section, assembly.variables)) .filter(text => text.length > 0) .join('\n\n') } +/** Interpolate one section's `{{variable}}` references (see {@link renderPrompt}). */ +function interpolate(section: AssembledSection, variables: Record<string, string | undefined>): string { + const text = section.text + let result = '' + let last = 0 + for (let open = text.indexOf('{{'); open >= 0; open = text.indexOf('{{', last)) { + const group = GROUP_AT.exec(text.slice(open)) + if (group === null) { + // No complete simple group starts at this `{{`. A `}}` further on means + // a mangled reference (extra or nested braces) — fail loud. With no + // closing `}}` anywhere after, it is ordinary prose (shell, JSON) and + // passes through verbatim. + if (text.indexOf('}}', open + 2) >= 0) { + throw new Error(`malformed prompt variable reference at "${text.slice(open, open + 16)}…" in section "${section.name}" (references are complete simple {{name}} groups)`) + } + result += text.slice(last, open + 2) + last = open + 2 + continue + } + // group[0] is the whole `{{...}}` match (a plain string, no optional + // index): the name is its interior. `{{}}` yields '' → the malformed path. + const name = group[0].slice(2, -2) + if (!VARIABLE_NAME.test(name)) { + throw new Error(`malformed prompt variable reference "{{${name}}}" in section "${section.name}" (variable names match ${String(VARIABLE_NAME)})`) + } + // Object.hasOwn, NOT `in`: `in` walks the prototype chain, so an + // unregistered `{{constructor}}` would resolve to Object.prototype's and + // splice a function's source text into the prompt instead of throwing. + if (!Object.hasOwn(variables, name)) { + const known = Object.keys(variables) + throw new Error(`unknown prompt variable "{{${name}}}" in section "${section.name}"; registered variables: ${known.length > 0 ? known.join(', ') : '(none)'}`) + } + const value = variables[name] + if (value === undefined) { + throw new Error(`prompt variable "{{${name}}}" has no value for this assembly (section "${section.name}")`) + } + result += text.slice(last, open) + value + last = open + group[0].length + } + return result + text.slice(last) +} + /** * Registry service (`ctx.systemPrompt`): plugins contribute ordered text - * sections and tool-schema providers; the agent loop calls `assemble()` once - * per step. + * sections, tool-schema providers, and named prompt variables; the agent loop + * calls `assemble(context)` once per step. Registers the harness-owned + * `harness:identity` and `deployment:persona` sections itself (see + * {@link Config.persona}). */ export class SystemPrompt extends Service { + static Config: z<Config> = z.object({ + persona: z.string().default(''), + // A schemastery array defaults to [] when omitted, but an omitted + // toolOrder must stay absent ("lexicographic order"), not become an + // explicitly-configured empty list (which is invalid — it lacks the + // rest entry). Forcing the default to undefined keeps the key out of the + // validated config; the cast is needed because .default() expects the + // array type. + toolOrder: z.array(z.string()).default(undefined as unknown as string[]), + }) + private sections: PromptSection[] = [] private toolProviders: (() => ToolSchema[])[] = [] + private variableProviders = new Map<string, (context: AssembleContext) => string | undefined>() + private readonly toolOrder: string[] | undefined - constructor(ctx: Context) { + constructor(ctx: Context, public config: Config) { super(ctx, 'systemPrompt') + this.toolOrder = validateToolOrder(config.toolOrder) + // The harness-owned openers. They live HERE (not on the loop plugin) so a + // deployment that swaps in a different loop keeps them: the identity is a + // harness fact stated ahead of everything, and the persona is the + // deployment's config, one section of the full prompt, never the whole. + // An empty persona still RESERVES the section name (one owner — a plugin + // re-registering it throws); renderPrompt drops the empty text. + this.section({ + name: 'harness:identity', + order: -100, + text: 'You are an AI agent powered by the DeepSeek Harness SDK.', + }) + this.section({ + name: 'deployment:persona', + order: 0, + // The schema already defaulted an omitted persona to ''; the ?? only + // narrows the optional-input TYPE, it never supplies a different value. + text: config.persona ?? '', + }) } /** * Contribute a text section to the system prompt. Order is determined by - * `section.order` (ascending). The section is removed when the calling + * `section.order` (ascending). Throws if a section with the same name is + * already registered (a duplicate would silently double prompt text — e.g. + * a double-loaded tool plugin). The section is removed when the calling * fiber is disposed. Emits `system-prompt/change` on register/unregister. * @param section - the section to contribute (name, order, text or provider). * @returns the disposer that removes the section. */ section(section: PromptSection): () => void { const dispose = this.ctx.effect(function* (this: SystemPrompt) { + if (this.sections.some(existing => existing.name === section.name)) { + throw new Error(`prompt section "${section.name}" is already registered`) + } this.sections.push(section) // Yield the rollback BEFORE emitting `system-prompt/change`: a generator // effect collects each yielded disposer before the next step runs, so a @@ -108,7 +363,10 @@ export class SystemPrompt extends Service { /** * Contribute a tool-schema provider that is evaluated at each assembly * call (so it can reflect the live registry state). The provider is - * removed when the calling fiber is disposed. Emits `system-prompt/change`. + * removed when the calling fiber is disposed. A provider must not return a + * schema named {@link TOOL_ORDER_REST}; that name is reserved for + * {@link Config.toolOrder}'s rest entry and rejects the assembly. Emits + * `system-prompt/change`. * @param provider - evaluated at every {@link assemble} for fresh schemas. * @returns the disposer that removes the provider. */ @@ -130,25 +388,82 @@ export class SystemPrompt extends Service { } /** - * Assemble the current prompt (sections sorted by order, tools collected - * from all providers). Section records are top-level clones (the `text` - * provider may be a function and is intentionally shared); tool schemas are - * deep-cloned because adapters and request waterfalls may mutate schema - * objects. Runs through the `system-prompt/assemble` waterfall, giving - * listeners the opportunity to mutate or replace the assembly before it - * reaches the model. Await the result before reading the assembly values — - * waterfall listeners may be async. + * Contribute a named prompt variable, referenced from section text as + * `{{name}}`. The provider is evaluated at each assembly with that + * assembly's {@link AssembleContext}; returning `undefined` means "no value + * for this assembly" (a section referencing it then fails to render — a + * deployment must not claim facts it does not have). Throws on a name that + * does not match `[a-z][a-z0-9_]*` (it could never be referenced) or is + * already registered. Removed when the calling fiber is disposed; emits + * `system-prompt/change` on register/unregister. + * @param name - the reference name (matches `[a-z][a-z0-9_]*`). + * @param provider - evaluated at every {@link assemble} for the value. + * @returns the disposer that removes the variable. + */ + variable(name: string, provider: (context: AssembleContext) => string | undefined): () => void { + const dispose = this.ctx.effect(function* (this: SystemPrompt) { + if (!VARIABLE_NAME.test(name)) { + throw new Error(`invalid prompt variable name "${name}" (must match ${String(VARIABLE_NAME)})`) + } + if (this.variableProviders.has(name)) { + throw new Error(`prompt variable "${name}" is already registered`) + } + this.variableProviders.set(name, provider) + // Yield the rollback BEFORE emitting `system-prompt/change` (see section()). + yield () => { + this.variableProviders.delete(name) + this.ctx.emit('system-prompt/change') + } + this.ctx.emit('system-prompt/change') + }.bind(this), 'systemPrompt.variable()') + // ctx.effect's disposer returns Promise<void>; our disposer API is + // synchronous fire-and-forget — discard the (always-resolved) promise. + return () => void dispose() + } + + /** + * Assemble the current prompt for one caller: section texts are resolved + * against `context` and sorted by order, tools collected from all providers + * and put in the canonical model-facing order ({@link Config.toolOrder}, or + * lexicographic name order when unconfigured — provider registration order + * is a plugin-load artifact and never reaches the assembly; a configured + * order naming a tool no provider contributed rejects the assembly), and every + * registered variable resolved against `context` into `assembly.variables`. + * Tool schemas are deep-cloned because adapters and request waterfalls may + * mutate schema objects. Runs through the `system-prompt/assemble` + * waterfall, giving listeners the opportunity to mutate or replace the + * assembly before it reaches the model — like the sections' `order` sort, + * tool canonicalization happens on the initial assembly, and a listener + * owns the determinism of whatever it emits. Await the result before + * reading the assembly values — waterfall listeners may be async. + * Interpolation happens later, in {@link renderPrompt}. + * @param context - what this assembly is for (defaults to an empty context; + * see {@link AssembleContext}). * @returns the assembly after the waterfall has run. */ - assemble(): Promise<PromptAssembly> { + // async so the misconfigured-toolOrder throw in orderTools surfaces as a + // rejection: a Promise-returning method must not throw synchronously + // (`assemble().catch(...)` would miss it). + async assemble(context: AssembleContext = {}): Promise<PromptAssembly> { + const variables: Record<string, string | undefined> = {} + for (const [name, provider] of this.variableProviders) { + variables[name] = provider(context) + } const assembly: PromptAssembly = { sections: this.sections - .map(section => ({ ...section })) + .map(section => ({ + name: section.name, + order: section.order, + text: typeof section.text === 'function' ? section.text(context) : section.text, + })) .sort((a, b) => a.order - b.order), - tools: this.toolProviders.flatMap(provider => - provider().map(tool => ({ ...tool, parameters: structuredClone(tool.parameters) }))), + tools: orderTools( + this.toolProviders.flatMap(provider => + provider().map(tool => ({ ...tool, parameters: structuredClone(tool.parameters) }))), + this.toolOrder), + variables, } - return this.ctx.waterfall(this, 'system-prompt/assemble', assembly, () => Promise.resolve(assembly)) + return this.ctx.waterfall(this, 'system-prompt/assemble', assembly, context, () => Promise.resolve(assembly)) } } diff --git a/packages/core/system-prompt/tests/system-prompt.spec.ts b/packages/core/system-prompt/tests/system-prompt.spec.ts index cfbf36cbec..c0bd8be6d2 100644 --- a/packages/core/system-prompt/tests/system-prompt.spec.ts +++ b/packages/core/system-prompt/tests/system-prompt.spec.ts @@ -1,21 +1,81 @@ import { describe, expect, it } from 'vitest' import { Context } from 'cordis' -import SystemPrompt, { PromptAssembly, PromptSection, renderPrompt } from '@deepseek-ai/dsh-system-prompt' +import SystemPrompt, { AssembleContext, PromptAssembly, renderPrompt } from '@deepseek-ai/dsh-system-prompt' + +/** + * Every assembly carries the plugin's own built-ins — `harness:identity` + * (order −100) and `deployment:persona` (order 0, from config). Tests about + * registry MECHANICS strip them with {@link contributed} to stay focused on + * their own sections; the built-ins' behavior is pinned by its own describe. + */ +const BUILT_IN = ['harness:identity', 'deployment:persona'] +const IDENTITY = 'You are an AI agent powered by the DeepSeek Harness SDK.' +function contributed(assembly: PromptAssembly): PromptAssembly['sections'] { + return assembly.sections.filter(section => !BUILT_IN.includes(section.name)) +} describe('SystemPrompt', () => { - it('assembles sections in order with dynamic text and collected tools', async () => { - const ctx = new Context() - await ctx.plugin(SystemPrompt) + describe('built-in sections', () => { + it('registers the harness identity and the configured deployment persona', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt, { persona: 'You are DeepSeek Harness SDK.' }) + + const assembly = await ctx.systemPrompt.assemble() + expect(assembly.sections.map(s => [s.name, s.order])).toEqual([ + ['harness:identity', -100], + ['deployment:persona', 0], + ]) + expect(renderPrompt(assembly)).toBe(`${IDENTITY}\n\nYou are DeepSeek Harness SDK.`) + // The names are reserved by the plugin — one owner per section. + expect(() => ctx.systemPrompt.section({ name: 'deployment:persona', order: 0, text: 'imposter' })) + .toThrow('prompt section "deployment:persona" is already registered') + }) + + it('renders no persona section for a persona-less deployment (empty default)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + expect(renderPrompt(await ctx.systemPrompt.assemble())).toBe(IDENTITY) + }) + + it('tolerates a schema-bypassing direct construction (persona omitted)', async () => { + // ctx.plugin validates + defaults the config first; a direct construction + // skips the schema, so the ctor's `?? ''` narrowing is what fires. + const ctx = new Context() + const service = new SystemPrompt(ctx, {}) + expect(renderPrompt(await service.assemble())).toBe(IDENTITY) + }) + }) + + it('assembles sections in order with context-resolved text and collected tools', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt, { persona: 'You are DeepSeek Harness SDK.' }) - ctx.systemPrompt.section({ name: 'persona', order: 0, text: 'You are DeepSeek Code.' }) ctx.systemPrompt.section({ name: 'cwd', order: 20, text: () => 'cwd: /tmp' }) ctx.systemPrompt.section({ name: 'rules', order: 10, text: 'Be precise.' }) ctx.systemPrompt.tools(() => [{ name: 'echo', description: 'echo back', parameters: {} }]) const assembly = await ctx.systemPrompt.assemble() - expect(assembly.sections.map(s => s.name)).toEqual(['persona', 'rules', 'cwd']) + expect(assembly.sections.map(s => s.name)).toEqual(['harness:identity', 'deployment:persona', 'rules', 'cwd']) + expect(assembly.sections.map(s => s.text)).toEqual([IDENTITY, 'You are DeepSeek Harness SDK.', 'Be precise.', 'cwd: /tmp']) expect(assembly.tools).toEqual([{ name: 'echo', description: 'echo back', parameters: {} }]) - expect(renderPrompt(assembly)).toBe('You are DeepSeek Code.\n\nBe precise.\n\ncwd: /tmp') + expect(assembly.variables).toEqual({}) + expect(renderPrompt(assembly)).toBe(`${IDENTITY}\n\nYou are DeepSeek Harness SDK.\n\nBe precise.\n\ncwd: /tmp`) + }) + + it('resolves section text providers against the assemble context, at each assemble call', async () => { + // The context is HOW per-agent sections work (the loop passes { agent }); + // this spec stays agent-agnostic and smuggles a marker through a plain field. + const ctx = new Context() + await ctx.plugin(SystemPrompt) + let calls = 0 + ctx.systemPrompt.section({ + name: 'dynamic', + order: 0, + text: (context: AssembleContext) => `call ${++calls} for ${(context as { who?: string }).who ?? 'nobody'}`, + }) + + expect(contributed(await ctx.systemPrompt.assemble({ who: 'alice' } as AssembleContext))[0]!.text).toBe('call 1 for alice') + expect(contributed(await ctx.systemPrompt.assemble())[0]!.text).toBe('call 2 for nobody') }) it('removes contributions when the contributing fiber is disposed (HMR safety)', async () => { @@ -25,13 +85,30 @@ describe('SystemPrompt', () => { const fiber = await ctx.plugin(Object.assign((inner: Context) => { inner.systemPrompt.section({ name: 'scoped', order: 0, text: 'scoped section' }) inner.systemPrompt.tools(() => [{ name: 'scoped-tool', description: '', parameters: {} }]) + inner.systemPrompt.variable('scoped_var', () => 'v') }, { inject: ['systemPrompt'] })) - expect((await ctx.systemPrompt.assemble()).sections).toHaveLength(1) + const before = await ctx.systemPrompt.assemble() + expect(contributed(before)).toHaveLength(1) + expect(before.variables).toEqual({ scoped_var: 'v' }) await fiber.dispose() const assembly = await ctx.systemPrompt.assemble() - expect(assembly.sections).toHaveLength(0) + expect(contributed(assembly)).toHaveLength(0) + // The built-ins belong to the service fiber, so they survive the plugin's disposal. + expect(assembly.sections.map(s => s.name)).toEqual(BUILT_IN) expect(assembly.tools).toHaveLength(0) + expect(assembly.variables).toEqual({}) + }) + + it('rejects a duplicate section name (a double-loaded plugin must fail, not double its text)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + ctx.systemPrompt.section({ name: 'dup', order: 0, text: 'first' }) + expect(() => ctx.systemPrompt.section({ name: 'dup', order: 1, text: 'second' })) + .toThrow('prompt section "dup" is already registered') + // The failed registration leaked nothing; the original stays intact. + const assembly = await ctx.systemPrompt.assemble() + expect(contributed(assembly).map(s => s.text)).toEqual(['first']) }) it('rolls back a section when a system-prompt/change listener throws (P1-1)', async () => { @@ -47,12 +124,12 @@ describe('SystemPrompt', () => { }) expect(() => ctx.systemPrompt.section({ name: 'p', order: 0, text: 'persona' })).toThrow('boom change listener') - expect((await ctx.systemPrompt.assemble()).sections).toHaveLength(0) // nothing leaked + expect(contributed(await ctx.systemPrompt.assemble())).toHaveLength(0) // nothing leaked // Subsequent listener-free register contributes exactly once. off() ctx.systemPrompt.section({ name: 'p', order: 0, text: 'persona' }) - expect((await ctx.systemPrompt.assemble()).sections.map(s => s.name)).toEqual(['p']) + expect(contributed(await ctx.systemPrompt.assemble()).map(s => s.name)).toEqual(['p']) }) it('rolls back a tool provider when a system-prompt/change listener throws (P1-1)', async () => { @@ -72,26 +149,47 @@ describe('SystemPrompt', () => { expect((await ctx.systemPrompt.assemble()).tools.map(t => t.name)).toEqual(['t']) }) - it('composes multiple system-prompt/assemble waterfall listeners in order', async () => { + it('rolls back a variable when a system-prompt/change listener throws (P1-1)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + + let threw = false + const off = ctx.on('system-prompt/change', () => { + if (!threw) { threw = true; throw new Error('boom change listener') } + }) + + expect(() => ctx.systemPrompt.variable('v', () => 'x')).toThrow('boom change listener') + expect((await ctx.systemPrompt.assemble()).variables).toEqual({}) // nothing leaked + + off() + ctx.systemPrompt.variable('v', () => 'x') + expect((await ctx.systemPrompt.assemble()).variables).toEqual({ v: 'x' }) + }) + + it('composes multiple system-prompt/assemble waterfall listeners in order, with the context', async () => { const ctx = new Context() await ctx.plugin(SystemPrompt) ctx.systemPrompt.section({ name: 'base', order: 0, text: 'base' }) // Listener A appends a section, then delegates. - ctx.on('system-prompt/assemble', async (assembly: PromptAssembly, next) => { + const contexts: AssembleContext[] = [] + ctx.on('system-prompt/assemble', async (assembly: PromptAssembly, context, next) => { + contexts.push(context) assembly.sections.push({ name: 'from-a', order: 100, text: 'a' }) return next() }) // Listener B (registered later, runs after A) sees A's contribution. const seen: string[][] = [] - ctx.on('system-prompt/assemble', async (assembly: PromptAssembly, next) => { + ctx.on('system-prompt/assemble', async (assembly: PromptAssembly, _context, next) => { seen.push(assembly.sections.map(s => s.name)) return next() }) - const assembly = await ctx.systemPrompt.assemble() - expect(seen).toEqual([['base', 'from-a']]) - expect(assembly.sections.map(s => s.name)).toEqual(['base', 'from-a']) + const passed: AssembleContext = {} + const assembly = await ctx.systemPrompt.assemble(passed) + expect(seen).toEqual([['harness:identity', 'deployment:persona', 'base', 'from-a']]) + expect(assembly.sections.map(s => s.name)).toEqual(['harness:identity', 'deployment:persona', 'base', 'from-a']) + expect(contexts[0]).toBe(passed) // the caller's context reaches listeners }) it('lets a waterfall listener short-circuit by not calling next()', async () => { @@ -100,7 +198,7 @@ describe('SystemPrompt', () => { ctx.systemPrompt.section({ name: 'real', order: 0, text: 'real' }) ctx.on('system-prompt/assemble', async () => { - return { sections: [], tools: [] } satisfies PromptAssembly + return { sections: [], tools: [], variables: {} } satisfies PromptAssembly }) const assembly = await ctx.systemPrompt.assemble() @@ -115,40 +213,33 @@ describe('SystemPrompt', () => { const first = await ctx.systemPrompt.assemble() first.sections[0]!.name = 'mutated' + first.sections[0]!.text = 'mutated' first.tools[0]!.description = 'mutated' const firstParameters = first.tools[0]!.parameters as { properties: Record<string, unknown> } firstParameters.properties['leak'] = { type: 'string' } const second = await ctx.systemPrompt.assemble() - expect(second.sections.map(section => section.name)).toEqual(['base']) + expect(second.sections.map(section => section.name)).toEqual(['harness:identity', 'deployment:persona', 'base']) + expect(second.sections[0]!.text).toBe(IDENTITY) expect(second.tools).toEqual([{ name: 't', description: 'tool', parameters: { type: 'object', properties: {} } }]) }) it('filters out empty section text from renderPrompt', () => { - // Direct test of renderPrompt: function returning empty string, and empty static text const result = renderPrompt({ sections: [ - { name: 'empty-fn', order: 0, text: () => '' }, + { name: 'empty', order: 0, text: '' }, { name: 'real', order: 1, text: 'content' }, - { name: 'empty-static', order: 2, text: '' }, ], tools: [], + variables: {}, }) expect(result).toBe('content') }) - it('evaluates dynamic function-text sections at each renderPrompt call', () => { - let counter = 0 - const section: PromptSection = { name: 'dynamic', order: 0, text: () => `call ${++counter}` } - expect(renderPrompt({ sections: [section], tools: [] })).toBe('call 1') - expect(renderPrompt({ sections: [section], tools: [] })).toBe('call 2') - }) - it('emits system-prompt/change when a tool provider is registered and disposed', async () => { const ctx = new Context() await ctx.plugin(SystemPrompt) - const changes: number = 0 let changeCount = 0 ctx.on('system-prompt/change', () => void changeCount++) @@ -159,7 +250,6 @@ describe('SystemPrompt', () => { dispose() // disposal emits change again expect(changeCount).toBe(2) - void changes // silence unused }) it('cleans up tool providers on fiber dispose', async () => { @@ -180,10 +270,10 @@ describe('SystemPrompt', () => { await ctx.plugin(SystemPrompt) const dispose = ctx.systemPrompt.section({ name: 'direct', order: 0, text: 'direct section' }) - expect((await ctx.systemPrompt.assemble()).sections).toHaveLength(1) + expect(contributed(await ctx.systemPrompt.assemble())).toHaveLength(1) dispose() - expect((await ctx.systemPrompt.assemble()).sections).toHaveLength(0) + expect(contributed(await ctx.systemPrompt.assemble())).toHaveLength(0) }) it('removes tool provider when returned disposer is called directly', async () => { @@ -196,4 +286,133 @@ describe('SystemPrompt', () => { dispose() expect((await ctx.systemPrompt.assemble()).tools).toHaveLength(0) }) + + describe('prompt variables', () => { + it('resolves each variable against the assemble context and emits change on register/unregister', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + let changeCount = 0 + ctx.on('system-prompt/change', () => void changeCount++) + + const dispose = ctx.systemPrompt.variable('who', context => (context as { who?: string }).who) + expect(changeCount).toBe(1) + + expect((await ctx.systemPrompt.assemble({ who: 'alice' } as AssembleContext)).variables).toEqual({ who: 'alice' }) + // A provider returning undefined records "registered but no value here". + expect((await ctx.systemPrompt.assemble()).variables).toEqual({ who: undefined }) + + dispose() + expect(changeCount).toBe(2) + expect((await ctx.systemPrompt.assemble()).variables).toEqual({}) + }) + + it('rejects a duplicate variable name and an unreferenceable name', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + ctx.systemPrompt.variable('model', () => 'm1') + expect(() => ctx.systemPrompt.variable('model', () => 'm2')) + .toThrow('prompt variable "model" is already registered') + expect(() => ctx.systemPrompt.variable('Not Valid', () => 'x')) + .toThrow('invalid prompt variable name "Not Valid"') + // Neither failed registration leaked. + expect((await ctx.systemPrompt.assemble()).variables).toEqual({ model: 'm1' }) + }) + + it('interpolates {{name}} references in section text at render — the persona included', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt, { persona: 'You run on {{model}} in {{cwd}}.' }) + ctx.systemPrompt.variable('model', () => 'deepseek-v4') + ctx.systemPrompt.variable('cwd', () => '/work') + + expect(renderPrompt(await ctx.systemPrompt.assemble())).toBe(`${IDENTITY}\n\nYou run on deepseek-v4 in /work.`) + }) + + it('lets a waterfall listener add or override variables before render', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + ctx.systemPrompt.section({ name: 's', order: 0, text: '{{extra}}' }) + ctx.on('system-prompt/assemble', async (assembly: PromptAssembly, _context, next) => { + assembly.variables['extra'] = 'from-waterfall' + return next() + }) + expect(renderPrompt(await ctx.systemPrompt.assemble())).toBe(`${IDENTITY}\n\nfrom-waterfall`) + }) + + it('throws on a reference to an unregistered variable, listing what exists', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + ctx.systemPrompt.section({ name: 'persona', order: 0, text: 'on {{modle}}' }) + ctx.systemPrompt.variable('model', () => 'm') + await expect(async () => renderPrompt(await ctx.systemPrompt.assemble())) + .rejects.toThrow('unknown prompt variable "{{modle}}" in section "persona"; registered variables: model') + }) + + it('names "(none)" when no variables are registered at all', () => { + expect(() => renderPrompt({ sections: [{ name: 's', order: 0, text: '{{x}}' }], tools: [], variables: {} })) + .toThrow('unknown prompt variable "{{x}}" in section "s"; registered variables: (none)') + }) + + it('throws when a referenced variable has no value for this assembly', () => { + expect(() => renderPrompt({ + sections: [{ name: 'persona', order: 0, text: 'in {{cwd}}' }], + tools: [], + variables: { cwd: undefined }, + })).toThrow('prompt variable "{{cwd}}" has no value for this assembly (section "persona")') + }) + + it('throws on a malformed complete reference, e.g. inner spaces', () => { + expect(() => renderPrompt({ + sections: [{ name: 's', order: 0, text: 'on {{ model }}' }], + tools: [], + variables: { model: 'm' }, + })).toThrow('malformed prompt variable reference "{{ model }}" in section "s"') + }) + + it('leaves a lone {{ verbatim only when NO }} follows anywhere after it', () => { + const text = renderPrompt({ + sections: [{ name: 's', order: 0, text: 'shell ${X:-{{fallback} stays' }], + tools: [], + variables: {}, + }) + expect(text).toBe('shell ${X:-{{fallback} stays') + }) + + it.each([ + { text: '{{{model}}}', label: 'extra outer braces' }, + { text: 'x {{a{b}} y {{model}}', label: 'nested brace inside a would-be group' }, + ])('throws on a mangled reference with a }} still following ($label)', ({ text }) => { + expect(() => renderPrompt({ + sections: [{ name: 's', order: 0, text }], + tools: [], + variables: { model: 'm' }, + })).toThrow('malformed prompt variable reference at') + }) + + it('rejects {{constructor}} as UNKNOWN — prototype properties are not variables', () => { + // `in` would find Object.prototype.constructor and splice function + // source into the prompt; Object.hasOwn must reject it instead. + expect(() => renderPrompt({ + sections: [{ name: 's', order: 0, text: 'on {{constructor}}' }], + tools: [], + variables: { model: 'm' }, + })).toThrow('unknown prompt variable "{{constructor}}"') + }) + + it('a variable NAMED like a prototype property works once actually registered', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + ctx.systemPrompt.section({ name: 's', order: 0, text: '{{constructor}}' }) + ctx.systemPrompt.variable('constructor', () => 'own-value') + expect(renderPrompt(await ctx.systemPrompt.assemble())).toBe(`${IDENTITY}\n\nown-value`) + }) + + it('never re-scans substituted values (a value containing {{sneaky}} stays literal)', () => { + const text = renderPrompt({ + sections: [{ name: 's', order: 0, text: 'v = {{model}}!' }], + tools: [], + variables: { model: 'literal {{sneaky}} inside' }, + }) + expect(text).toBe('v = literal {{sneaky}} inside!') + }) + }) }) diff --git a/packages/core/system-prompt/tests/tool-order.spec.ts b/packages/core/system-prompt/tests/tool-order.spec.ts new file mode 100644 index 0000000000..02cc99b2d7 --- /dev/null +++ b/packages/core/system-prompt/tests/tool-order.spec.ts @@ -0,0 +1,115 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import SystemPrompt, { PromptAssembly, TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt' +import type { ToolSchema } from '@deepseek-ai/dsh-llm' + +function tool(name: string, description = name): ToolSchema { + return { name, description, parameters: { type: 'object', properties: {} } } +} + +async function mount(config: { persona?: string; toolOrder?: string[] } = {}): Promise<Context> { + const ctx = new Context() + await ctx.plugin(SystemPrompt, config) + return ctx +} + +function names(assembly: PromptAssembly): string[] { + return assembly.tools.map(t => t.name) +} + +describe('SystemPrompt tool order', () => { + // The ONE place the public constant's value is pinned; everything else + // (tests and deployment configs alike) references TOOL_ORDER_REST. + it('exports the rest entry as "<unlisted-tools>"', () => { + expect(TOOL_ORDER_REST).toBe('<unlisted-tools>') + }) + + it('assembles tools in lexicographic name order when no toolOrder is configured', async () => { + const ctx = await mount() + ctx.systemPrompt.tools(() => [tool('charlie'), tool('alpha')]) + ctx.systemPrompt.tools(() => [tool('bravo')]) + expect(names(await ctx.systemPrompt.assemble())).toEqual(['alpha', 'bravo', 'charlie']) + }) + + it('assembles the same order regardless of provider registration order', async () => { + const forward = await mount() + forward.systemPrompt.tools(() => [tool('alpha')]) + forward.systemPrompt.tools(() => [tool('zulu')]) + const backward = await mount() + backward.systemPrompt.tools(() => [tool('zulu')]) + backward.systemPrompt.tools(() => [tool('alpha')]) + expect(names(await forward.systemPrompt.assemble())).toEqual(['alpha', 'zulu']) + expect(names(await backward.systemPrompt.assemble())).toEqual(['alpha', 'zulu']) + }) + + it('applies a configured toolOrder: listed positions, rest at the rest entry lexicographically', async () => { + const ctx = await mount({ toolOrder: ['todo_write', TOOL_ORDER_REST, 'bash'] }) + ctx.systemPrompt.tools(() => [tool('bash'), tool('echo_b'), tool('todo_write'), tool('echo_a')]) + expect(names(await ctx.systemPrompt.assemble())).toEqual(['todo_write', 'echo_a', 'echo_b', 'bash']) + }) + + it('rejects the assembly when toolOrder names a tool that is not registered (misconfiguration blocks work)', async () => { + const ctx = await mount({ toolOrder: ['todo_write', 'ghost', TOOL_ORDER_REST, 'wraith'] }) + ctx.systemPrompt.tools(() => [tool('bash'), tool('todo_write')]) + await expect(ctx.systemPrompt.assemble()).rejects.toThrow( + 'toolOrder lists unregistered tools "ghost", "wraith"; registered tools: bash, todo_write') + }) + + it('names the single unregistered tool when no tools are registered at all', async () => { + const ctx = await mount({ toolOrder: ['ghost', TOOL_ORDER_REST] }) + await expect(ctx.systemPrompt.assemble()).rejects.toThrow( + 'toolOrder lists unregistered tool "ghost"; registered tools: (none)') + }) + + it.each([ + ['without an explicit toolOrder', undefined], + ['with only the rest entry configured', [TOOL_ORDER_REST]], + ])('rejects a provider tool named like the reserved rest entry %s', async (_case, toolOrder) => { + const ctx = await mount(toolOrder === undefined ? {} : { toolOrder }) + ctx.systemPrompt.tools(() => [tool(TOOL_ORDER_REST)]) + await expect(ctx.systemPrompt.assemble()).rejects.toThrow( + `tool provider returned reserved tool name "${TOOL_ORDER_REST}"`) + }) + + it('keeps collection order between tools that share a name (stable sort)', async () => { + const ctx = await mount() + ctx.systemPrompt.tools(() => [tool('dup', 'first'), tool('anchor'), tool('dup', 'second')]) + const assembly = await ctx.systemPrompt.assemble() + expect(assembly.tools.map(t => t.description)).toEqual(['anchor', 'first', 'second']) + }) + + it('canonicalizes BEFORE the assemble waterfall: listeners see the ordered list and own their own edits', async () => { + const ctx = await mount() + ctx.systemPrompt.tools(() => [tool('zulu'), tool('alpha')]) + let seen: string[] | undefined + ctx.on('system-prompt/assemble', function (assembly, _context, next) { + seen = assembly.tools.map(t => t.name) + // A listener-appended tool is NOT re-sorted — same contract as sections: + // canonicalization applies to what the registry contributed, and a + // listener owns the determinism of what it emits. + assembly.tools.push(tool('aardvark')) + return next() + }) + const assembly = await ctx.systemPrompt.assemble() + expect(seen).toEqual(['alpha', 'zulu']) + expect(names(assembly)).toEqual(['alpha', 'zulu', 'aardvark']) + }) + + it.each([ + ['an empty list', []], + ['a list without the rest entry', ['bash', 'todo_write']], + ])('rejects %s at load (the rest entry is required)', async (_case, toolOrder) => { + await expect(new Context().plugin(SystemPrompt, { toolOrder })).rejects.toThrow(`must contain the "${TOOL_ORDER_REST}" rest entry`) + }) + + it.each([ + ['a duplicate tool name', ['bash', 'bash', TOOL_ORDER_REST]], + ['a duplicate rest entry', [TOOL_ORDER_REST, 'bash', TOOL_ORDER_REST]], + ])('rejects %s at load', async (_case, toolOrder) => { + await expect(new Context().plugin(SystemPrompt, { toolOrder })).rejects.toThrow('more than once') + }) + + it('throws from direct construction too', () => { + expect(() => new SystemPrompt(new Context(), { toolOrder: ['bash'] })).toThrow('rest entry') + }) +}) diff --git a/packages/core/system-prompt/tsconfig.json b/packages/core/system-prompt/tsconfig.json index 9f687793d7..e9de391ba1 100644 --- a/packages/core/system-prompt/tsconfig.json +++ b/packages/core/system-prompt/tsconfig.json @@ -14,6 +14,9 @@ { "path": "../../../vendor/cordis" }, + { + "path": "../../../vendor/schemastery" + }, { "path": "../../llm/llm" } diff --git a/packages/core/tools/README.md b/packages/core/tools/README.md index 65039aea58..0bf1c4bf08 100644 --- a/packages/core/tools/README.md +++ b/packages/core/tools/README.md @@ -1,41 +1,51 @@ # dsh-tools -Tool registry and execution pipeline. Tool plugins register their schemas and executors; the agent loop executes each call through `tools/pre-execute` (the allow/deny gate) → core dispatch → `tools/post-execute` (inspect/replace the result, attach context). +Tool registry and execution pipeline. Tool plugins register their schemas and executors; the agent loop executes each call through `tools/pre-execute` (the allow/deny gate) → `tools/execute` (an around-dispatch wrapper for timeout/retry/metrics plugins) → `tools/post-execute` (inspect/replace the result, attach context). The registry also owns HOW its tools are presented to the model — its `mode` config selects native function calling, [Code Mode](#code-mode), or both. ## Service: `ToolRegistry` (ctx key: `tools`) +### Config + +```yaml +tools: + mode: native # native (default) | code | both +``` + +`native` contributes every registered tool as a wire function definition — the default, byte-for-byte the pre-config behavior. `code` contributes exactly ONE wire tool, `run_code`, plus the generated `tools:sdk` prompt section (see [Code Mode](#code-mode)). `both` contributes every native definition AND `run_code` + the SDK section. Non-native modes require a loaded `ctx.codeRuntime` with `language: 'typescript'`; a missing or mismatched runtime rejects every prompt assembly with an actionable error, and a `systemPrompt.toolOrder` naming tools the mode no longer contributes rejects the assembly the same way. + ### Public API - `ctx.tools.register(definition: ToolDefinition): () => void` Register a tool. Disposed with the calling fiber. - `ctx.tools.get(name: string): ToolDefinition | undefined` -- `ctx.tools.schemas(): ToolSchema[]` Schemas of all registered tools (without the `execute` functions). The shipped tools' schemas are catalogued in [docs/tool-catalog/tools.md](../../../docs/tool-catalog/tools.md), generated by booting each tool plugin and harvesting this method (see [the tool-schema-catalog RFC](../../../docs/rfc/implemented/process/2026-07-02-tool-schema-catalog.md)). -- `ctx.tools.execute(exec: ToolExecution): Promise<ToolExecutionResult>` Execute one tool call through the `tools/pre-execute` → dispatch → `tools/post-execute` pipeline. +- `ctx.tools.schemas(): ToolSchema[]` Schemas of all registered tools (without the `execute` functions). The shipped tools' schemas are catalogued in [docs/tool-catalog.md](../../../docs/tool-catalog.md), generated by booting each tool plugin and harvesting this method (see [the tool-schema-catalog RFC](../../../docs/rfc/implemented/process/2026-07-02-tool-schema-catalog.md)). +- `ctx.tools.execute(exec: ToolExecution): Promise<ToolExecutionResult>` Execute one tool call through the `tools/pre-execute` → `tools/execute` → `tools/post-execute` pipeline. ### Injected services -`SystemPrompt` — the registry automatically feeds its tool schemas into the system-prompt assembly via `ctx.systemPrompt.tools()`. +`SystemPrompt` — the registry automatically feeds its tool schemas into the system-prompt assembly via `ctx.systemPrompt.tools()`. The approval seam is consumed opportunistically instead (`ctx.get('approval')`, no static inject): a deployment without it keeps the ask→deny degrade, and the registry stays active either way. ### Events | Event | Mode | Purpose | |---|---|---| | `tools/pre-execute` | waterfall | Allow/deny gate BEFORE a tool runs (sandbox, permission, hooks); returns `PreToolDecision` | +| `tools/execute` | waterfall | Around-dispatch wrapper (timeout, retry, metrics): `(exec, next)` → the dispatched `ToolExecutionResult`; `next()` is dispatch-with-normalization | | `tools/post-execute` | waterfall | Inspect/replace the result AFTER a tool runs, attach context; returns `PostToolDecision` | | `tools/change` | emit | A tool was registered or unregistered | ### Key types -- `ToolDefinition` — `ToolSchema` + `execute(args, exec): Promise<ContentBlock[] | { content: ContentBlock[]; meta? }>` (the bare array is the model-facing content; the object form additionally attaches an opaque, JSON-serializable `meta` presentation payload persisted on the `tool/result` event and handed back to `presentResult`), plus optional `presentCall(args)` / `presentResult(args, result)` for tool-owned UI presentation (see below). +- `ToolDefinition` — `ToolSchema` + `execute(args, exec): Promise<ContentBlock[] | { content: ContentBlock[]; meta? }>` (the bare array is the model-facing content; the object form additionally attaches an opaque, JSON-serializable `meta` presentation payload persisted on the `tool/result` event and handed back to `presentResult`), plus optional `presentCall(args)` / `presentResult(args, result)` for tool-owned UI presentation (see below). It also carries an optional cooperative timeout budget `timeoutMs?: number` (ms) enforced by `@deepseek-ai/dsh-timeout-policy`, never sent to the model. - `ToolExecution` — one pending tool call: `{ callId, name, arguments, agent?, signal? }`. - `ToolExecutionResult` — outcome: `{ callId, content, isError, error?, additionalContext?, meta? }`. On failure with a `HarnessError`, `error: { name, code }` carries the structured failure class alongside the model-facing text (the loop forwards it onto the `tool/result` session event for retry/sandbox plugins and replay). `additionalContext` (a `HookContext`) ferries any `tools/post-execute` context up to the loop, which buffers it and appends it as a `context/message` after all `tool/result`s in the step. `meta` is the tool's opaque presentation payload from a successful `execute` (the object return form); the loop forwards it onto the `tool/result` session event for result-card rendering. -- `PreToolDecision` — `{kind:'allow'}` | `{kind:'deny', reason}` | `{kind:'ask', reason?}`. Input rewrite (changing `arguments`) is deliberately NOT offered (it would desync the pre-execution audit/history/UI from what ran — its own proposed RFC); `ask` degrades to `deny` until the permission system lands. +- `PreToolDecision` — `{kind:'allow'}` | `{kind:'deny', reason}` | `{kind:'ask', reason?}`. Input rewrite (changing `arguments`) is deliberately NOT offered (it would desync the pre-execution audit/history/UI from what ran — its own proposed RFC); `ask` is serviced by [`ctx.approval`](../../ui/user-approval/README.md) when a deployment mounts it (`allowed-once` proceeds to dispatch; `rejected`/`cancelled`/`unavailable` deny with distinct reasons) and degrades to `deny` when none is mounted or the execution carries no agent. - `PostToolDecision` — `{kind:'accept', content?, additionalContext?}` (keep the call successful, optionally replacing the model-facing content) | `{kind:'block', feedback, additionalContext?}` (turn it into an `isError` whose content is the corrective feedback). Output replacement is clean because `tool/result` is logged AFTER `execute()` returns. - `ToolCallView` / `ToolResultView` — provider-neutral `card`-tagged render intents a tool returns from `presentCall` / `presentResult` to own how a UI renders ITS calls (see "Tool-owned UI presentation"). ### Extension points - Tool plugins call `ctx.tools.register()` — schemas flow into the assembly automatically. -- `tools/pre-execute` is the allow/deny gate (sandbox, permission, hooks): listeners receive `(exec, next)` and call `next()` to delegate to the default (allow) or return a `PreToolDecision` to short-circuit; a `deny`/`ask` skips dispatch and yields an `isError` result. `tools/post-execute` is the inspect/transform seam: `(exec, result, next)` → a `PostToolDecision` that can replace content, block with feedback, or attach `additionalContext`. Core dispatch sits between them as plain code; the tool body keeps its own try/catch so a thrown tool still reaches `post-execute` as an `isError`. Both follow the typed-Decision idiom shared with the `agent/*` interception seams (see [`dsh-agent`](../agent/README.md)). +- `tools/pre-execute` is the allow/deny gate (sandbox, permission, hooks): listeners receive `(exec, next)` and call `next()` to delegate to the default (allow) or return a `PreToolDecision` to short-circuit; a `deny` skips dispatch and yields an `isError` result, and an `ask` resolves through the approval seam first — only a grant dispatches (see `PreToolDecision` above). `tools/execute` is the around-dispatch seam (timeout, retry, metrics): listeners receive `(exec, next)` and call `next()` to delegate to core dispatch (returning its `ToolExecutionResult`, optionally wrapped), or return a replacement result to short-circuit dispatch; the base `next()` IS dispatch-with-normalization, so `await next()` already yields an `isError` result for a thrown/unknown tool (never a raw throw). A wrapper mutates `exec` in place before `next()` — e.g. replacing `exec.signal` with a per-call deadline — because cordis `next()` ignores passed arguments. `tools/post-execute` is the inspect/transform seam: `(exec, result, next)` → a `PostToolDecision` that can replace content, block with feedback, or attach `additionalContext`. Core dispatch is the base of the `tools/execute` waterfall; the tool body keeps its own try/catch so a thrown tool still reaches `post-execute` as an `isError`. All follow the typed-Decision idiom shared with the `agent/*` interception seams (see [`dsh-agent`](../agent/README.md)); `@deepseek-ai/dsh-timeout-policy` is the reference `tools/execute` wrapper. - MCP servers: one plugin per server, discover tools, call `ctx.tools.register()` with the server's schemas. ### Typed tool parameter schemas @@ -71,6 +81,14 @@ A `defineTool` tool also **validates the model-generated arguments against its ` See `defineTool`, `validateArgs`, `ToolArgsError`, `SchemaSpec`, `InferArgs`, and `schemaSpecToJsonSchema` in the public API for details. +`defineTool` also validates an optional `timeoutMs` at definition time when present: it must be a positive finite number, or the helper throws — the budget is attached to the produced `ToolDefinition` (for `@deepseek-ai/dsh-timeout-policy`) and never reaches the model. + +### Structured-output schema subset + +A separate vocabulary for callers that DEMAND a machine-readable value from an agent — the subagent seam's `SubagentStartRequest.outputSchema` (and, by extension, a workflow's `agent({ schema })`). Unlike `SchemaSpec` (the author-facing DSL for tool parameters), a `StructuredOutputSchema` is an object-rooted **raw JSON Schema subset** as data: it travels verbatim to the model as a forced tool's `parameters`, and the produced value is validated against it. + +The subset is deliberately narrow and REJECTS LOUD outside it — accepting a keyword the validator doesn't enforce would validate less than the schema promises (accepted-then-ignored). Supported: single-string `type` (`object`/`array`/`string`/`number`/`integer`/`boolean`/`null`; type arrays rejected), `properties`/`required`/`additionalProperties` (boolean; every `required` key must be declared), `items`, scalar-only `enum`/`const`; annotations (`description`/`title`/`default`/`examples`) are ignored but must still be JSON data. `assertSupportedOutputSchema(schema)` throws `OutputSchemaError` (`code: 'UNSUPPORTED_SCHEMA'`, listing every violation) for anything else; `validateStructuredValue(schema, value)` returns path-qualified violations (empty = valid, total — never throws). + ### Tool-owned UI presentation A tool owns how ITS calls render in a UI (an editor's tool-call card, a CLI log line) — a UI plugin must NOT special-case tool names. A `ToolDefinition` may declare two optional, pure, display-only methods that return a **`card`-tagged render intent** (a discriminated union — a tool declares its card kind once and a UI bridge switches on `card`): @@ -110,6 +128,16 @@ const bash = defineTool({ }) ``` +### Code Mode + +Under `mode: code` (or `both`) the registry turns the tool surface into a programming API, per the [Code Mode RFC](../../../docs/rfc/implemented/feature/2026-06-15-code-mode.md): the model writes a TypeScript program (the body of an async function) and passes it to the ONE wire tool `run_code`; the program runs in `ctx.codeRuntime` (the [code-execution seam](../../code-runtime/README.md) — the shipped backend is a worker thread) with one async binding per registered tool (`await tools.bash({...})`), and ONLY what it prints or returns re-enters the model's context. + +- **The SDK section** (`tools:sdk`, order 150): a lazy prompt section regenerating, at each assembly, a `declare const tools: {...}` TypeScript declaration of every registered tool except `run_code` (exotic names via quoted keys), plus fixed usage instructions. Deterministic — lexicographic tool order, byte-identical text for an unchanged tool set (prefix-cache-friendly). The codegen (`jsonSchemaToTs`, exported) is TOTAL: constructs outside the `defineTool` subset degrade to `unknown`, never throw. +- **The dispatch bridge** (`run_code`'s execute): every binding call is JSON-normalized BEFORE dispatch (a value that does not survive — `BigInt`, circulars — rejects that one call, so the dispatched form and the logged form are the same JSON value by construction), serialized through a per-run queue (even `Promise.all` executes the underlying `ctx.tools.execute()` calls one at a time in submission order — the tool contract carries no concurrency-safety metadata yet), gated by `tools/pre-execute`/`tools/post-execute` like any native call (a deny reaches the program as a binding rejection), and logged as one `tool/code-dispatch` session event (log-only: `deriveMessages()` never surfaces it) with the deterministic sub-id `<parent>:code:<n>`. A failed sub-call REJECTS the program-side promise with the tool's error text — real code error handling, no bespoke envelope. A sub-call's `additionalContext` is deliberately DROPPED (no safe outlet mid-run without breaking tool-call/result adjacency; deferred until a real hook needs it through Code Mode). +- **Settlement discipline**: the bridge owns a run-scoped abort that follows the outer signal in and fires when the run settles for any reason, so a budget expiry aborts an in-flight sub-tool instead of orphaning it; the bridge then drains its queue BEFORE returning, so every `tool/code-dispatch` lands inside the open turn. A failed run throws `CodeRunFailedError` (`code: 'CODE_RUN_FAILED'`, message = the failure kind + captured logs), which the pipeline converts to a structured `isError` the model self-corrects from. + +The wire collapse is the registry's own contribution (`systemPrompt.tools()` is mode-aware), so the logged `request/header` records it for free — under `code`, the assembled tool list is exactly `[run_code]`, pinned by tests and the snapshot goldens. Try it: `pnpm run demo:code-mode` ([the coding-agent example's Code Mode overlay](../../../examples/coding-agent/README.md#code-mode)); `pnpm run demo:code-mode acp` serves the same mode over ACP instead of the REPL. + ### What is NOT here (TODO) - **Tool shapes review** — when real tools land (e.g. a concurrency-safety hint for parallel execution); phase 1 executes tool calls sequentially. diff --git a/packages/core/tools/package.json b/packages/core/tools/package.json index a6d3bbe0ca..ff38e40ab2 100644 --- a/packages/core/tools/package.json +++ b/packages/core/tools/package.json @@ -23,13 +23,22 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-user-approval": "^0.0.1", + "@deepseek-ai/dsh-code-runtime": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-system-prompt": "^0.0.1", "cordis": "^4.0.0-rc.6" }, + "dependencies": { + "schemastery": "^3.18.0" + }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-user-approval": "workspace:^", + "@deepseek-ai/dsh-code-runtime": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "cordis": "^4.0.0-rc.6" } diff --git a/packages/core/tools/src/code-mode.ts b/packages/core/tools/src/code-mode.ts new file mode 100644 index 0000000000..a6ef7a271a --- /dev/null +++ b/packages/core/tools/src/code-mode.ts @@ -0,0 +1,318 @@ +/** + * Code Mode: the `run_code` tool and its dispatch bridge. The model writes a + * TypeScript program; the bridge hands it to `ctx.codeRuntime` with one + * async binding per registered tool, serializes every binding call through a + * per-run queue onto `ToolRegistry.execute()` (so `tools/pre-execute` / + * `tools/post-execute` gate sub-calls exactly like native ones), logs each + * sub-dispatch as a `tool/code-dispatch` session event, and returns only the + * program's curated output. The registry itself decides WHEN this tool + * exists (its `mode` config); this module owns only the tool and the bridge. + * + * @module @deepseek-ai/dsh-tools/src/code-mode + */ + +import { inspect } from 'node:util' +import { CallId, HarnessError } from '@deepseek-ai/dsh-llm' +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import type { CodeBindingFunction, CodeRunResult, CodeRuntime } from '@deepseek-ai/dsh-code-runtime' +import type {} from '@deepseek-ai/dsh-session' +import { defineTool } from './schema.ts' +import type { ToolDefinition, ToolRegistry } from './index.ts' + +declare module '@deepseek-ai/dsh-session' { + interface SessionEventMap { + /** + * One bridged sub-dispatch from a `run_code` program: the parent + * `run_code` call id, the deterministic sub-call id + * (`<parent>:code:<n>`), the tool `name` with its JSON-normalized + * `arguments` — the exact value dispatched, normalized BEFORE dispatch, + * so this append can never fail on payload shape — whether the sub-call + * errored, and a bounded `resultSummary` of its model-facing text. + * Log-only: `deriveMessages()` ignores it, so sub-calls never re-enter + * model context; persistence and UIs get every call. Appended inside the + * parent `run_code`'s execution (the bridge drains its queue before + * returning), so the turn-enclosure invariant holds by construction. + */ + 'tool/code-dispatch': { parentCallId: CallId; subCallId: CallId; name: string; arguments: unknown; isError: boolean; resultSummary: string } + } +} + +/** The model-facing name of the Code Mode tool. */ +export const RUN_CODE_NAME = 'run_code' + +/** The `tools:sdk` section order: inside the 100–199 tool-guidance band, after per-tool guidance sections. */ +export const SDK_SECTION_ORDER = 150 + +/** + * Thrown by `run_code` when the program run itself failed — a program + * exception, a budget expiry, an abort, or substrate death. Extends + * {@link HarnessError} (`code: 'CODE_RUN_FAILED'`); the registry's execution + * pipeline converts it into a structured `isError` result whose text carries + * the failure kind plus the captured logs, so the model can self-correct. + */ +export class CodeRunFailedError extends HarnessError { + constructor(message: string) { + super(message, 'CODE_RUN_FAILED') + this.name = 'CodeRunFailedError' + } +} + +/** + * Cap for a `tool/code-dispatch` event's `resultSummary`. A log-ergonomics + * constant, not config: the full result already flows to the program; the + * summary exists so log readers see what a sub-call returned at a glance. + */ +const SUMMARY_MAX_CHARS = 200 + +/** Bounded inspect for rendering a program's completion value into the model-facing text. */ +const INSPECT_OPTIONS = { depth: 4, maxArrayLength: 100, maxStringLength: 10_000 } as const + +/** Join a result's text blocks; a non-text block becomes a placeholder (an MVP limitation, stated in the SDK instructions). */ +function textOf(content: ContentBlock[]): string { + return content + .map((block) => { + switch (block.type) { + case 'text': return block.text + // ContentBlockMap is merge-extensible — future block kinds land here + // deliberately (no assertNever on merge-extensible unions). + default: return `[${block.type} content]` + } + }) + .join('\n') +} + +/** Bound a sub-call's model-facing text for the log event's `resultSummary`. */ +function summarize(text: string): string { + return text.length > SUMMARY_MAX_CHARS ? `${text.slice(0, SUMMARY_MAX_CHARS)}…` : text +} + +/** + * JSON-normalize one binding call's argument into TWO independent parses of + * the same canonical text: `dispatched` goes to the tool, `logged` to the + * `tool/code-dispatch` event — identical by construction (the runtime's + * structured-clone boundary is wider than JSON; the session log accepts only + * JSON), and separate objects, so a tool mutating its args can neither + * desync the log from what was dispatched nor re-poison the append. A value + * that does not survive the round-trip (`undefined` — the log rejects it as + * event data — `BigInt`, a circular structure, a bare function) rejects that + * one call BEFORE dispatch with a model-correctable error: nothing ever + * executes unlogged. + */ +function jsonNormalizeArgs(value: unknown): { dispatched: unknown; logged: unknown } { + if (value === undefined) { + throw new Error('tool arguments must be JSON-serializable (call the tool with an arguments object, e.g. `{}`)') + } + let text: string | undefined + try { + text = JSON.stringify(value) + } catch (error: unknown) { + throw new Error(`tool arguments must be JSON-serializable: ${error instanceof Error ? error.message : String(error)}`) + } + // JSON.stringify's lib type claims `string`, but a bare function or symbol + // root really yields `undefined` at runtime — the guard is live. + // eslint-disable-next-line @typescript-eslint/no-unnecessary-condition + if (text === undefined) throw new Error('tool arguments must be JSON-serializable (got a value JSON cannot represent)') + return { dispatched: JSON.parse(text) as unknown, logged: JSON.parse(text) as unknown } +} + +/** Render the program's completion value for the model-facing result text (`''` when the program returned nothing). */ +function renderValue(value: unknown): string { + if (value === undefined) return '' + return typeof value === 'string' ? value : inspect(value, INSPECT_OPTIONS) +} + +/** The run_code result's `meta` payload (JSON-serializable; `presentResult` narrows it back). */ +interface RunCodeMeta { + logs: CodeRunResult['logs'] + dispatches: number +} + +/** Soft-narrow a result `meta` back to {@link RunCodeMeta} (replay may carry older shapes; presentation must not throw). */ +function asRunCodeMeta(meta: unknown): RunCodeMeta | undefined { + if (typeof meta !== 'object' || meta === null) return undefined + const m = meta as Record<string, unknown> + if (!Array.isArray(m.logs) || typeof m.dispatches !== 'number') return undefined + return m as unknown as RunCodeMeta +} + +/** + * Build the `run_code` {@link ToolDefinition}: one required `code` parameter, + * executed through the dispatch bridge described in the module doc. The + * registry registers it under non-native modes. + * @param registry - the owning registry (sub-calls go through its `execute`, + * bindings cover its registered tools). + * @param requireRuntime - resolves `ctx.codeRuntime` or throws the loud + * misconfiguration error (shared with the registry's assembly-time checks). + * @returns the registry-ready definition. + */ +export function createRunCodeTool(registry: ToolRegistry, requireRuntime: () => CodeRuntime): ToolDefinition { + return defineTool({ + name: RUN_CODE_NAME, + description: + 'Execute a TypeScript program against the available tools. Write the BODY of an ' + + 'async function (erasable syntax only; top-level `await` and `return` work) and ' + + 'call tools as `await tools.name(args)` per the declarations in the system prompt. ' + + 'Only what you print or return comes back — curate it.', + parameters: { + code: { type: 'string', required: true, description: 'The program: the body of an async TypeScript function.' }, + }, + async execute(args, exec) { + const runtime = requireRuntime() + + // The run-scoped abort: follows the outer signal in, and fires when the + // run settles for ANY reason, so an in-flight sub-dispatch is aborted + // (its executor kills on this signal) instead of orphaned, and + // queued-unstarted dispatches are abandoned. + const runController = new AbortController() + const onOuterAbort = (): void => { runController.abort(exec.signal?.reason) } + if (exec.signal?.aborted) onOuterAbort() + exec.signal?.addEventListener('abort', onOuterAbort, { once: true }) + + let dispatches = 0 + // The per-run serialization queue: every binding call chains onto the + // tail, so even `Promise.all` executes the underlying tool calls one at + // a time in submission order (the tool contract carries no + // concurrency-safety metadata yet). The fold keeps the tail non-rejecting + // so one failed dispatch never poisons the chain. + let queue: Promise<void> = Promise.resolve() + const enqueue = <T>(task: () => Promise<T>): Promise<T> => { + const turn = queue.then(() => { + if (runController.signal.aborted) { + throw new Error(`run_code run is over (${String(runController.signal.reason)}); tool call abandoned`) + } + return task() + }) + queue = turn.then(() => undefined, () => undefined) + return turn + } + + // Read through a call, not a bare property: the abort state genuinely + // changes across awaits, and a direct `.aborted` re-check after one + // would be narrowed away by control flow analysis. + const runOver = (): boolean => runController.signal.aborted + + const binding = (name: string): CodeBindingFunction => async (rawArgs: unknown): Promise<unknown> => { + if (runOver()) { + throw new Error(`run_code run is over (${String(runController.signal.reason)}); ${name} not dispatched`) + } + const normalized = jsonNormalizeArgs(rawArgs) + const outcome = await enqueue(async () => { + const n = ++dispatches + const subCallId = CallId(`${String(exec.callId)}:code:${n}`) + const result = await registry.execute({ + callId: subCallId, + name, + arguments: normalized.dispatched, + ...exec.agent ? { agent: exec.agent } : {}, + signal: runController.signal, + }) + const text = textOf(result.content) + // Sub-call `additionalContext` is deliberately DROPPED here: the + // loop's buffering (append after the step's tool/results) has no + // safe analogue from inside a running run_code — injecting now + // would break tool-call/result adjacency. Deferred until a real + // hook needs it through Code Mode. + exec.agent?.session.append('tool/code-dispatch', { + parentCallId: exec.callId, + subCallId, + name, + // The SIBLING parse of the dispatched value: byte-identical JSON, + // but a separate object — a tool mutating its args cannot desync + // this record from what it actually received. + arguments: normalized.logged, + isError: result.isError, + resultSummary: summarize(text), + }) + return { text, isError: result.isError } + }) + // A budget expiry or outer cancel that lands while this call was in + // flight already aborted the dispatch; stop the program now rather + // than hand it a result from a run that is over. + if (runOver()) { + throw new Error(`run_code run is over (${String(runController.signal.reason)}); ${name} result discarded`) + } + // A failed tool call REJECTS — real code signals failure by throwing, + // so try/catch and Promise.all short-circuiting behave as models + // expect (the error text is the tool's model-facing result text). + if (outcome.isError) throw new Error(outcome.text) + return outcome.text + } + + // Null-prototype + defineProperty, mirroring the worker-side namespace + // build: a registered tool named `__proto__` must become an ordinary + // own key (a plain-object assignment would hit the prototype setter, + // silently dropping the binding), and the runtime host resolves + // binding names as own properties only. + const functions: Record<string, CodeBindingFunction> = Object.create(null) as Record<string, CodeBindingFunction> + for (const schema of registry.schemas()) { + if (schema.name === RUN_CODE_NAME) continue + Object.defineProperty(functions, schema.name, { enumerable: true, value: binding(schema.name) }) + } + + try { + let result: CodeRunResult + try { + result = await runtime.run({ + program: args.code, + bindings: [{ global: 'tools', functions }], + signal: runController.signal, + }) + } finally { + // Quiescence before returning, whether the runtime fulfilled or + // REJECTED (a backend that starts a binding call and then throws + // must not leak a live sub-dispatch past this settlement): fire + // the run-scoped abort (cancelling an in-flight sub-dispatch, + // abandoning queued ones), then await the queue's drain — an + // aborted sub-call still settles and logs its event INSIDE the + // open turn; nothing can append after we return. `queue` is the + // FOLDED tail (every link swallows its rejection into undefined), + // so this await cannot itself reject — an abandoned queued call + // can never mask the runtime's own failure, returned or thrown; + // rejections surface only on the per-call promises the program + // holds. + runController.abort('run_code settled') + await queue + } + + if (result.error) { + const logsText = result.logs.length > 0 ? `\nCaptured output:\n${result.logs.map(entry => entry.text).join('\n')}` : '' + throw new CodeRunFailedError(`code run failed (${result.error.kind}): ${result.error.message}${logsText}`) + } + const rendered = renderValue(result.value) + const parts = [result.logs.map(entry => entry.text).join('\n'), rendered].filter(part => part.length > 0) + const meta: RunCodeMeta = { logs: result.logs, dispatches } + return { + content: [{ type: 'text', text: parts.length > 0 ? parts.join('\n') : '(run_code completed with no output)' }], + meta, + } + } finally { + exec.signal?.removeEventListener('abort', onOuterAbort) + } + }, + // The program IS the title, the way command tools title their cards with + // the command: an execute-card's title is the one slot an ACP client + // always shows (Zed's execute cards render no body content and no raw + // input without a real terminal attached), so anywhere else the code + // would be invisible. Multi-line titles are the execute-card idiom — + // capable clients render them whole; others truncate to the first line + // and still hold the full program in rawInput. + presentCall: args => ({ + card: 'generic', + title: args.code, + kind: 'execute', + rawInput: args.code, + }), + // Title omitted on the result: an update replaces only the fields it + // carries, so the pending card's program title persists through + // completion; the captured output rides as body content. + presentResult: (_args, result) => { + const meta = asRunCodeMeta(result.meta) + if (!meta) return undefined + const output = meta.logs.map(entry => entry.text).join('\n') + return { + card: 'generic', + ...output.length > 0 ? { content: [{ type: 'text' as const, text: output }] } : {}, + } + }, + }) +} diff --git a/packages/core/tools/src/index.ts b/packages/core/tools/src/index.ts index 063e14708e..b624f468bb 100644 --- a/packages/core/tools/src/index.ts +++ b/packages/core/tools/src/index.ts @@ -1,19 +1,34 @@ /** * Tool registry and execution pipeline. Plugins register tools; the registry * feeds schemas into the system prompt, and `execute()` dispatches each call - * through `tools/pre-execute` (the allow/deny gate) → core dispatch → - * `tools/post-execute` (inspect/replace the result, attach context) for - * sandbox, permission, and hook plugins to gate or transform a call. + * through `tools/pre-execute` (the allow/deny gate) → `tools/execute` (an + * around-dispatch wrapper for timeout/retry/metrics plugins) → `tools/post-execute` + * (inspect/replace the result, attach context) for sandbox, permission, and hook + * plugins to gate or transform a call. + * + * The registry also owns HOW its tools are presented to the model — its + * `mode` config: `'native'` (every tool as a wire function definition, + * today's behavior and the default), `'code'` (the wire carries exactly one + * tool, `run_code`, plus a generated TypeScript SDK prompt section), or + * `'both'`. See `code-mode.ts` (the tool + dispatch bridge) and + * `ts-types.ts` (the SDK codegen); design in the Code Mode RFC. * * @module @deepseek-ai/dsh-tools */ import { Context, Service } from 'cordis' +import z from 'schemastery' import type { CallId, ContentBlock, ToolSchema } from '@deepseek-ai/dsh-llm' -import { HarnessError } from '@deepseek-ai/dsh-llm' +import { assertNever, HarnessError } from '@deepseek-ai/dsh-llm' import type { Agent, HookContext } from '@deepseek-ai/dsh-agent' import type {} from '@deepseek-ai/dsh-system-prompt' +import type { CodeRuntime } from '@deepseek-ai/dsh-code-runtime' +// Type-only: makes `ctx.get('approval')` resolve to the ApprovalService +// augmentation. The seam stays optional at runtime — see `serviceAsk`. +import type {} from '@deepseek-ai/dsh-user-approval' import type { ToolCallView, ToolResultView } from './presentation.ts' +import { createRunCodeTool, RUN_CODE_NAME, SDK_SECTION_ORDER } from './code-mode.ts' +import { renderToolsSdk } from './ts-types.ts' export { defineTool, @@ -28,6 +43,19 @@ export { type JsonSchemaObject, } from './schema.ts' +export { + assertSupportedOutputSchema, + validateStructuredValue, + OutputSchemaError, + type StructuredOutputSchema, + type StructuredSchemaNode, + type StructuredSchemaType, + type StructuredScalar, +} from './json-schema.ts' + +export { CodeRunFailedError, RUN_CODE_NAME } from './code-mode.ts' +export { jsonSchemaToTs, renderToolsSdk } from './ts-types.ts' + // The render-intent vocabulary a tool declares via `presentCall`/`presentResult` // lives in its own UI-facing module; re-export it so `@deepseek-ai/dsh-tools` // stays the single public surface for consumers (producers + the ACP bridge). @@ -58,23 +86,43 @@ declare module 'cordis' { * or return a {@link PreToolDecision} without calling `next()` to * short-circuit. A `deny` skips dispatch and yields an `isError` result; the * tool body never runs. Input rewrite is deliberately NOT offered here (see - * {@link PreToolDecision}); `ask` degrades to deny until the permission - * system lands (`FIXME(permissions)`). + * {@link PreToolDecision}); `ask` is serviced by the `ctx.approval` seam + * when one is mounted, and degrades to deny otherwise. * @param exec - the pending call (name, parsed arguments, caller agent). * @mode waterfall */ 'tools/pre-execute'(this: ToolRegistry, exec: ToolExecution, next: () => Promise<PreToolDecision>): Promise<PreToolDecision> + /** + * Around-dispatch waterfall wrapping the registry's core tool dispatch, + * between the `tools/pre-execute` gate and the `tools/post-execute` seam. A + * listener receives `(exec, next)`: call `next()` to delegate to dispatch + * (returning its {@link ToolExecutionResult}, optionally wrapped), or return a + * replacement result without calling `next()` to short-circuit dispatch. The + * base `next()` IS the dispatch-with-normalization thunk — a thrown tool (or + * unknown tool) is already normalized to an `isError` result by the time a + * listener's `await next()` returns, so a wrapper never sees a raw throw from + * the tool body. This is the seam a timeout/retry/metrics plugin wraps: it can + * mutate `exec` (e.g. replace `exec.signal` with a per-call deadline) BEFORE + * `next()` and inspect the result AFTER. (Cordis `next()` ignores any passed + * arguments and re-invokes downstream with the shared payload, so a wrapper + * mutates `exec` in place rather than passing a new object to `next()`.) + * Multiple listeners compose by registration order — an outer one wraps the + * inner ones plus dispatch. + * @param exec - the allowed call about to dispatch (name, parsed arguments, caller agent, signal). + * @mode waterfall + */ + 'tools/execute'(this: ToolRegistry, exec: ToolExecution, next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult> /** * Waterfall AFTER a tool runs — where hook plugins inspect the result and * accept it (optionally REPLACING the model-facing content, and/or attaching * `additionalContext` for the next request) or block it with corrective * `feedback` (Claude Code's `PostToolUse`). Listeners receive * `(exec, result, next)`: call `next()` to delegate to the default (accept - * unchanged), or return a {@link PostToolDecision} to override. The core tool - * dispatch sits between the two waterfalls as plain code, all inside - * `execute`'s outer try/catch (and the tool body keeps its own inner - * try/catch, so a thrown tool still reaches `post-execute` as an `isError` - * result). + * unchanged), or return a {@link PostToolDecision} to override. Core tool + * dispatch runs earlier as the base `next()` of the `tools/execute` + * waterfall, all inside `execute`'s outer try/catch (and the tool body keeps + * its own inner try/catch, so a thrown tool still reaches `post-execute` as an + * `isError` result). * @param exec - the call that just ran (name, parsed arguments, caller agent). * @param result - the dispatch outcome a listener may accept, replace, or block. * @mode waterfall @@ -107,6 +155,14 @@ export type ToolExecuteReturn = ContentBlock[] | { content: ContentBlock[]; meta /** A registered tool: its schema plus the execution function. */ export interface ToolDefinition extends ToolSchema { execute(args: unknown, exec: ToolExecution): Promise<ToolExecuteReturn> + /** + * Cooperative tool-call timeout budget in milliseconds. Omit for no deadline. + * Enforced by `@deepseek-ai/dsh-timeout-policy` (a `tools/execute` wrapper); it + * is NEVER sent to the model — `schemas()` whitelists only name/description/ + * parameters. Declaring it asserts this tool forwards `exec.signal` to a + * cooperative implementation that can reach quiescence when the signal aborts. + */ + timeoutMs?: number /** * Optional: how to present the PENDING state of one call in a UI, derived from * the call's `args` (parsed arguments, `unknown` — the tool validates/narrows @@ -215,8 +271,9 @@ export interface ToolExecutionResult { * would desync the UI from what RAN. That consistency redesign is its own * `proposed` RFC; `TODO(pre-tool-input-rewrite)` anchors it at the call site.) * - `deny` skips dispatch; the loop records an `isError` result carrying `reason`. - * - `ask` is the permission-prompt intent; until the permission system exists it - * degrades to `deny` (`FIXME(permissions)`). + * - `ask` is the permission-prompt intent: serviced as a one-shot decision by + * the `ctx.approval` seam when one is mounted (`allowed-once` proceeds to + * dispatch; every other outcome denies), degrading to `deny` when none is. */ export type PreToolDecision = | { kind: 'allow' } @@ -259,20 +316,100 @@ function errorInfo(error: unknown): ToolErrorInfo | undefined { return error instanceof HarnessError ? { name: error.name, code: error.code } : undefined } +/** How the registry presents its tools to the model (see {@link Config.mode}). */ +export type ToolPresentationMode = 'native' | 'code' | 'both' + +/** Plugin config: how the registered tools are presented to the model. */ +export interface Config { + /** + * The presentation mode. `'native'` (the default) contributes every + * registered tool as a wire function definition — byte-for-byte today's + * behavior. `'code'` contributes exactly ONE wire tool, `run_code`, plus + * the generated `tools:sdk` prompt section declaring every other tool as a + * TypeScript API the program calls. `'both'` contributes every native + * definition AND `run_code` + the SDK section. Non-native modes require a + * loaded `ctx.codeRuntime` whose `language` is `'typescript'` — a missing + * or mismatched runtime rejects every prompt assembly with an actionable + * error (misconfiguration fails loud, before any model request). A + * configured `systemPrompt.toolOrder` naming native tools likewise rejects + * every assembly under `'code'` (those names are no longer contributed) — + * a deployment switching modes updates its order config or drops it. + */ + mode?: ToolPresentationMode +} + /** * Tool registry (`ctx.tools`): tool plugins register definitions; the agent - * loop executes calls through the `tools/pre-execute` → dispatch → + * loop executes calls through the `tools/pre-execute` → `tools/execute` → * `tools/post-execute` pipeline. The registry contributes its schemas into the - * system-prompt assembly. + * system-prompt assembly — WHICH schemas is governed by its `mode` config + * (see {@link Config.mode}); under a non-native mode it also registers the + * `run_code` tool and the `tools:sdk` prompt section itself. */ export class ToolRegistry extends Service { static inject = ['systemPrompt'] - private store = new Map<string, ToolDefinition>() + static Config: z<Config> = z.object({ + mode: z.union(['native', 'code', 'both'] as const).default('native'), + }) - constructor(ctx: Context) { + private store = new Map<string, ToolDefinition>() + private readonly mode: ToolPresentationMode + + constructor(ctx: Context, config: Config = {}) { super(ctx, 'tools') - ctx.systemPrompt.tools(() => this.schemas()) + // The schema already defaulted an omitted mode; the ?? narrows the + // optional-input type for direct (non-Loader) construction in tests. + this.mode = config.mode ?? 'native' + ctx.systemPrompt.tools(() => this.wireSchemas()) + if (this.mode !== 'native') { + this.register(createRunCodeTool(this, () => this.requireCodeRuntime())) + ctx.systemPrompt.section({ + name: 'tools:sdk', + order: SDK_SECTION_ORDER, + // A lazy thunk over the live store: regenerated at each assembly, in + // lexicographic tool order, so an unchanged tool set renders + // byte-identical text (prefix-cache-friendly) and a mid-session + // registration surfaces exactly like a native-mode tool change. + text: () => { + this.requireCodeRuntime() + return renderToolsSdk(this.schemas().filter(schema => schema.name !== RUN_CODE_NAME)) + }, + }) + } + } + + /** + * The registry's contribution to the wire tool list, per {@link Config.mode}. + * Because `PromptAssembly.tools` is what the loop's request header + * snapshots, the mode's collapse is logged and reconstructable for free. + * Under a non-native mode this is also the loud misconfiguration gate: no + * usable code runtime → every assembly rejects before any model request. + */ + private wireSchemas(): ToolSchema[] { + if (this.mode === 'native') return this.schemas() + this.requireCodeRuntime() + const all = this.schemas() + return this.mode === 'code' ? all.filter(schema => schema.name === RUN_CODE_NAME) : all + } + + /** + * Resolve the code runtime or throw the actionable misconfiguration error. + * Read at use time (assembly / run_code execution), NOT via static + * `inject`: an inject entry would hold `ctx.tools` — and every tool plugin + * behind it — hostage to a code runtime existing even under `mode: + * 'native'` (the loop's optional-backend idiom, same as + * `sessionPersistence`). + */ + private requireCodeRuntime(): CodeRuntime { + const runtime = this.ctx.get('codeRuntime') + if (!runtime) { + throw new Error(`dsh-tools: mode "${this.mode}" requires a code runtime — load a ctx.codeRuntime implementation (e.g. @deepseek-ai/dsh-code-runtime-worker) or set tools mode to "native"`) + } + if (runtime.language !== 'typescript') { + throw new Error(`dsh-tools: mode "${this.mode}" generates a TypeScript SDK, but the loaded code runtime's language is "${runtime.language}"`) + } + return runtime } /** @@ -317,79 +454,82 @@ export class ToolRegistry extends Service { /** * Return all registered tool schemas — exactly the model-facing fields - * (`name`, `description`, `parameters`, and `strict` when set), as sent to the - * model via the system-prompt assembly. Constructed EXPLICITLY rather than by - * stripping known non-schema members: a `ToolDefinition` also carries - * `execute` and the optional `presentCall`/`presentResult` UI callbacks, and - * those (especially the functions) must never leak into a model request. An - * allowlist can't drift when a new non-schema member is added to the - * definition; a denylist (rest-destructure) would silently leak it. + * (`name`, `description`, `parameters`), as sent to the model via the + * system-prompt assembly. Constructed EXPLICITLY rather than by stripping + * known non-schema members: a `ToolDefinition` also carries `execute` and the + * optional `presentCall`/`presentResult` UI callbacks, and those (especially + * the functions) must never leak into a model request. An allowlist can't + * drift when a new non-schema member is added to the definition; a denylist + * (rest-destructure) would silently leak it. * @returns one deep-cloned schema per registered tool, in registration order. */ schemas(): ToolSchema[] { - return [...this.store.values()].map(({ name, description, parameters, strict }): ToolSchema => ({ + return [...this.store.values()].map(({ name, description, parameters }): ToolSchema => ({ name, description, parameters: structuredClone(parameters), - ...strict !== undefined ? { strict } : {}, })) } /** - * Execute one tool call through the `tools/pre-execute` → dispatch → - * `tools/post-execute` pipeline. The two waterfalls are the gate (allow/deny) - * and the inspect/transform seam; core dispatch sits between them as plain - * code. The whole thing is wrapped in one outer try/catch so a throwing - * listener (in either waterfall) becomes an `isError` result instead of - * failing the turn; the tool body ALSO keeps its own inner try/catch, so a - * thrown tool becomes an `isError` result that `post-execute` listeners can - * still inspect. If the tool is not registered, the result is an `isError` - * carrying a `UNKNOWN_TOOL` structured error. A thrown {@link HarnessError} - * surfaces its `{ name, code }` on the result. + * Execute one tool call through the `tools/pre-execute` → `tools/execute` + * (around dispatch) → `tools/post-execute` pipeline. `pre-execute` is the gate + * (allow/deny), `tools/execute` wraps core dispatch (a timeout/retry/metrics + * seam), and `post-execute` is the inspect/transform seam; core dispatch sits + * as the base `next()` of the `tools/execute` waterfall. The whole thing is + * wrapped in one outer try/catch so a throwing listener (in any waterfall) + * becomes an `isError` result instead of failing the turn; the tool body ALSO + * keeps its own inner try/catch, so a thrown tool becomes an `isError` result + * that `tools/execute` and `post-execute` listeners can still inspect. If the + * tool is not registered, the result is an `isError` carrying a `UNKNOWN_TOOL` + * structured error. A thrown {@link HarnessError} surfaces its `{ name, code }` + * on the result. * @param exec - the call to run (name, parsed arguments, caller agent, signal). - * @returns the final result after both waterfalls; failures resolve as + * @returns the final result after every waterfall; failures resolve as * `isError` results, never rejections. */ async execute(exec: ToolExecution): Promise<ToolExecutionResult> { try { - // --- Gate: tools/pre-execute. A deny (or an ask, which degrades to deny - // until the permission system lands) skips dispatch entirely. --- - const decision = await this.ctx.waterfall( + // --- Gate: tools/pre-execute. An `ask` resolves through the approval + // seam (or degrades) to allow/deny before the shared deny path. --- + const gate = await this.ctx.waterfall( this, 'tools/pre-execute', exec, () => Promise.resolve<PreToolDecision>({ kind: 'allow' }), ) + const decision = gate.kind === 'ask' ? await this.serviceAsk(exec, gate) : gate if (decision.kind !== 'allow') { - // deny → isError. ask has no permission UI yet, so degrade to deny - // (FIXME(permissions)): a forthcoming permission system turns `ask` into - // a real prompt; today it is the conservative "not allowed". - const reason = decision.kind === 'deny' - ? decision.reason - : decision.reason ?? `tool "${exec.name}" requires approval (not yet supported)` const denied: ToolExecutionResult = { callId: exec.callId, - content: [{ type: 'text', text: `Error: ${reason}` }], + content: [{ type: 'text', text: `Error: ${decision.reason}` }], isError: true, } return await this.postExecute(exec, denied) } - // --- Core dispatch (plain code between the waterfalls). The tool body's - // own try/catch turns a throw into an isError result so post-execute can - // inspect it; an unknown tool routes through the same catch. --- - let result: ToolExecutionResult - try { - const tool = this.store.get(exec.name) - if (!tool) throw new ToolNotFoundError(exec.name) - // Normalize the two `execute` return shapes: a bare ContentBlock[] (no - // meta) or a { content, meta } object (a tool attaching a private - // presentation payload). An array IS the content; the object carries it. - const returned = await tool.execute(exec.arguments, exec) - const content = Array.isArray(returned) ? returned : returned.content - const meta = Array.isArray(returned) ? undefined : returned.meta - result = { callId: exec.callId, content, isError: false, ...meta !== undefined ? { meta } : {} } - } catch (error: unknown) { - result = toolErrorResult(exec.callId, error) - } + // --- Around-dispatch: tools/execute. The base `next` is the dispatch- + // with-normalization thunk — the tool body's own try/catch turns a throw + // into an isError result so a wrapper (and post-execute) can inspect it; + // an unknown tool routes through the same catch. A `tools/execute` listener + // (e.g. a timeout plugin) wraps this thunk: it may mutate `exec` before + // delegating and inspect the normalized result after. --- + const result = await this.ctx.waterfall( + this, 'tools/execute', exec, + async (): Promise<ToolExecutionResult> => { + try { + const tool = this.store.get(exec.name) + if (!tool) throw new ToolNotFoundError(exec.name) + // Normalize the two `execute` return shapes: a bare ContentBlock[] (no + // meta) or a { content, meta } object (a tool attaching a private + // presentation payload). An array IS the content; the object carries it. + const returned = await tool.execute(exec.arguments, exec) + const content = Array.isArray(returned) ? returned : returned.content + const meta = Array.isArray(returned) ? undefined : returned.meta + return { callId: exec.callId, content, isError: false, ...meta !== undefined ? { meta } : {} } + } catch (error: unknown) { + return toolErrorResult(exec.callId, error) + } + }, + ) return await this.postExecute(exec, result) } catch (error: unknown) { @@ -399,6 +539,44 @@ export class ToolRegistry extends Service { } } + /** + * Resolve an `ask` decision to allow/deny through the approval seam. The + * seam is consumed opportunistically with `ctx.get('approval')` — a + * deployment that composes no ApprovalService keeps the historical degrade + * to deny, and an unmount mid-session degrades the same way on the next ask. + * An agent-less execution also degrades: without an agent there is no + * session to audit to and no UI to route to. Otherwise the outcome maps + * one-to-one — `allowed-once` proceeds; the three non-grants deny with + * distinct reasons so the model can tell a human "no" from an absent + * approval channel. + */ + private async serviceAsk( + exec: ToolExecution, + ask: Extract<PreToolDecision, { kind: 'ask' }>, + ): Promise<Extract<PreToolDecision, { kind: 'allow' | 'deny' }>> { + const approval = this.ctx.get('approval') + if (approval === undefined) { + return { kind: 'deny', reason: ask.reason ?? `tool "${exec.name}" requires approval (not yet supported)` } + } + if (exec.agent === undefined) { + return { kind: 'deny', reason: `tool "${exec.name}" requires approval, but the call has no agent to route it through` } + } + const outcome = await approval.request({ + agent: exec.agent, + toolName: exec.name, + callId: exec.callId, + ...ask.reason !== undefined ? { reason: ask.reason } : {}, + ...exec.signal !== undefined ? { signal: exec.signal } : {}, + }) + switch (outcome) { + case 'allowed-once': return { kind: 'allow' } + case 'rejected': return { kind: 'deny', reason: `the user rejected tool "${exec.name}"` } + case 'cancelled': return { kind: 'deny', reason: `approval for tool "${exec.name}" was cancelled` } + case 'unavailable': return { kind: 'deny', reason: `tool "${exec.name}" requires approval, but no approval channel is available` } + default: return assertNever(outcome, 'ApprovalOutcome') + } + } + /** * Run the `tools/post-execute` waterfall over a dispatched `result` and apply * its {@link PostToolDecision}: `accept` keeps the call successful (replacing diff --git a/packages/core/tools/src/json-schema.ts b/packages/core/tools/src/json-schema.ts new file mode 100644 index 0000000000..4c1036773b --- /dev/null +++ b/packages/core/tools/src/json-schema.ts @@ -0,0 +1,345 @@ +/** + * Structured-output JSON Schema subset: the vocabulary a caller uses to demand + * a machine-readable result from a subagent (`SubagentStartRequest.outputSchema`) + * or a workflow `agent()` call. + * + * This is deliberately NOT full JSON Schema. The schema travels verbatim to the + * model as a forced tool's `parameters`, and the value the model produces is + * validated here — so every accepted keyword must be one this module actually + * enforces. Accepting a keyword we don't enforce would validate less than the + * schema promises (accepted-then-ignored), so anything outside the subset is + * REJECTED LOUD by {@link assertSupportedOutputSchema} instead. The subset: + * + * - `type` — a single string (`object`/`array`/`string`/`number`/`integer`/ + * `boolean`/`null`); type ARRAYS (`["string","null"]`) are rejected. + * - `properties`/`required`/`additionalProperties` (boolean) on objects; every + * `required` key must be declared in `properties`. `additionalProperties` + * absent keeps standard JSON Schema semantics (extra keys allowed). + * - `items` on arrays (absent ⇒ any JSON items). + * - `enum` (non-empty, scalars only) and `const` (scalar) on scalar types. + * - Annotations `description`/`title`/`default`/`examples` are allowed and + * ignored (they constrain nothing), except that they must still be JSON data + * — the schema is serialized onto the wire, so a non-JSON annotation would be + * silently mangled. + * + * Values checked by {@link validateStructuredValue} are expected to be plain + * host-realm JSON data (model tool-call arguments are parsed wire JSON; a + * caller holding foreign-realm data materializes it first). + * + * @module dsh-tools/json-schema + */ + +import { assertNever, HarnessError } from '@deepseek-ai/dsh-llm' + +/** The scalar values `enum`/`const` may carry (finite numbers only). */ +export type StructuredScalar = string | number | boolean | null + +/** The `type` keywords the subset accepts. */ +export type StructuredSchemaType = 'object' | 'array' | 'string' | 'number' | 'integer' | 'boolean' | 'null' + +/** + * One node of the structured-output schema subset. Recursive via `properties` + * and `items`; see the module doc for the exact keyword semantics. + */ +export interface StructuredSchemaNode { + type: StructuredSchemaType + /** Nested property schemas (`type: 'object'` only). */ + properties?: Record<string, StructuredSchemaNode> + /** Required property names; each must appear in `properties`. */ + required?: string[] + /** `false` rejects undeclared keys; absent/`true` allows them (JSON Schema default). */ + additionalProperties?: boolean + /** Item schema (`type: 'array'` only); absent ⇒ any JSON items. */ + items?: StructuredSchemaNode + /** Allowed values (scalar types only). */ + enum?: StructuredScalar[] + /** The single allowed value (scalar types only). */ + const?: StructuredScalar + /** Annotation, ignored for validation. */ + description?: string + /** Annotation, ignored for validation. */ + title?: string + /** Annotation, ignored for validation (must still be JSON data). */ + default?: unknown + /** Annotation, ignored for validation (must still be JSON data). */ + examples?: unknown +} + +/** A structured-output schema: an OBJECT-rooted {@link StructuredSchemaNode}. */ +export type StructuredOutputSchema = StructuredSchemaNode & { type: 'object' } + +/** + * Thrown by {@link assertSupportedOutputSchema} when a schema falls outside the + * supported subset. Extends {@link HarnessError} (`code: 'UNSUPPORTED_SCHEMA'`) + * so seam code and tool results can route on it; `violations` lists every + * offending path, not just the first. + */ +export class OutputSchemaError extends HarnessError { + /** The individual violation messages, in walk order. */ + readonly violations: string[] + + constructor(violations: string[]) { + super(`unsupported output schema: ${violations.join('; ')}`, 'UNSUPPORTED_SCHEMA') + this.name = 'OutputSchemaError' + this.violations = violations + } +} + +/** The keywords the subset accepts, checked (`constraint`) or ignored (`annotation`). */ +const CONSTRAINT_KEYWORDS = new Set(['type', 'properties', 'required', 'additionalProperties', 'items', 'enum', 'const']) +const ANNOTATION_KEYWORDS = new Set(['description', 'title', 'default', 'examples']) + +const SCHEMA_TYPES: readonly StructuredSchemaType[] = ['object', 'array', 'string', 'number', 'integer', 'boolean', 'null'] + +/** + * Whether a value is a PLAIN JSON object — non-null, non-array, and with a + * prototype chain of at most one link (`null`-proto, or any realm's + * `Object.prototype`, whose own prototype is `null`). Realm-agnostic on + * purpose: a schema materialized in another realm carries THAT realm's + * `Object.prototype`, which an identity check would wrongly reject. Exotic + * hosts (`Date`, `Map`, class instances) have longer chains and are rejected — + * they would serialize lossily (`Date` → string, `Map` → `{}`) instead of + * failing loud. + */ +function isObjectLike(value: unknown): value is Record<string, unknown> { + if (typeof value !== 'object' || value === null || Array.isArray(value)) return false + const proto: unknown = Object.getPrototypeOf(value) + return proto === null || Object.getPrototypeOf(proto) === null +} + +/** Whether a value is a supported scalar (`enum`/`const` member): string, finite number, boolean, or null. */ +function isStructuredScalar(value: unknown): value is StructuredScalar { + return value === null || typeof value === 'string' || typeof value === 'boolean' + || (typeof value === 'number' && Number.isFinite(value)) +} + +/** + * Whether a value is JSON data (annotation payloads only): scalars, arrays, and + * object-likes of such values. Realm-agnostic on purpose (no prototype check) — + * the schema may have been materialized from another realm; structural JSON-ness + * is what the wire needs. Cycles are rejected via `seen`. + */ +function isJsonData(value: unknown, seen: Set<object>): boolean { + if (isStructuredScalar(value)) return true + // The scalar check above already returned for null, so `object` here is a real object. + if (typeof value !== 'object') return false + if (seen.has(value)) return false + seen.add(value) + try { + if (Array.isArray(value)) return value.every(entry => isJsonData(entry, seen)) + // A non-plain object (Date, Map, class instance) is NOT JSON data even when + // it has no enumerable values — it would serialize lossily, not loudly. + if (!isObjectLike(value)) return false + return Object.values(value).every(entry => isJsonData(entry, seen)) + } finally { + seen.delete(value) + } +} + +/** Collect subset violations for one schema node (recursive walk). */ +function checkSchemaNode(node: unknown, path: string, violations: string[], seen: Set<object>): void { + if (!isObjectLike(node)) { + violations.push(`${path} must be a schema object`) + return + } + if (seen.has(node)) { + violations.push(`${path} is circular`) + return + } + seen.add(node) + + for (const key of Object.keys(node)) { + if (CONSTRAINT_KEYWORDS.has(key)) continue + if (ANNOTATION_KEYWORDS.has(key)) { + if (!isJsonData(node[key], new Set())) violations.push(`${path}.${key} annotation must be JSON data`) + continue + } + violations.push(`${path}.${key} is not a supported keyword (subset: type/properties/required/additionalProperties/items/enum/const + annotations)`) + } + if (typeof node.description !== 'undefined' && typeof node.description !== 'string') { + violations.push(`${path}.description must be a string`) + } + if (typeof node.title !== 'undefined' && typeof node.title !== 'string') { + violations.push(`${path}.title must be a string`) + } + + const type = node.type + if (typeof type !== 'string' || !(SCHEMA_TYPES as readonly unknown[]).includes(type)) { + violations.push(Array.isArray(type) + ? `${path}.type must be a single type string (type arrays are not supported)` + : `${path}.type must be one of ${SCHEMA_TYPES.join('/')}`) + seen.delete(node) + return + } + const schemaType = type as StructuredSchemaType + + // Keywords that only make sense on one type are rejected elsewhere — an + // `items` on an object (or `properties` on a string) is a schema-author bug + // the subset surfaces rather than ignores. + const allowedFor: Record<string, StructuredSchemaType[]> = { + properties: ['object'], + required: ['object'], + additionalProperties: ['object'], + items: ['array'], + enum: ['string', 'number', 'integer', 'boolean', 'null'], + const: ['string', 'number', 'integer', 'boolean', 'null'], + } + for (const [key, types] of Object.entries(allowedFor)) { + if (key in node && !types.includes(schemaType)) { + violations.push(`${path}.${key} is not supported on type "${schemaType}"`) + } + } + + switch (schemaType) { + case 'object': { + const properties = node.properties + if (properties !== undefined) { + if (!isObjectLike(properties)) { + violations.push(`${path}.properties must be an object of schemas`) + } else { + for (const [key, child] of Object.entries(properties)) { + checkSchemaNode(child, `${path}.properties.${key}`, violations, seen) + } + } + } + const required = node.required + if (required !== undefined) { + if (!Array.isArray(required) || required.some(entry => typeof entry !== 'string')) { + violations.push(`${path}.required must be an array of strings`) + } else { + const declared = isObjectLike(properties) ? properties : {} + // The guard above proved every entry is a string. + for (const key of required as string[]) { + // Own-property check: `in` would let inherited names (`toString`) + // satisfy the declared-in-properties contract via the prototype. + if (!Object.hasOwn(declared, key)) violations.push(`${path}.required names "${key}" which is not in properties`) + } + } + } + if (node.additionalProperties !== undefined && typeof node.additionalProperties !== 'boolean') { + violations.push(`${path}.additionalProperties must be a boolean`) + } + break + } + case 'array': { + if (node.items !== undefined) checkSchemaNode(node.items, `${path}.items`, violations, seen) + break + } + case 'string': + case 'number': + case 'integer': + case 'boolean': + case 'null': { + const allowed = node.enum + if (allowed !== undefined) { + if (!Array.isArray(allowed) || allowed.length === 0 || !allowed.every(entry => isStructuredScalar(entry))) { + violations.push(`${path}.enum must be a non-empty array of scalars`) + } + } + if ('const' in node && !isStructuredScalar(node.const)) { + violations.push(`${path}.const must be a scalar`) + } + break + } + /* v8 ignore start -- defensive: schemaType was membership-checked against SCHEMA_TYPES above, so no runtime value reaches here */ + default: + assertNever(schemaType, 'assertSupportedOutputSchema') + /* v8 ignore stop */ + } + + seen.delete(node) +} + +/** + * Assert `schema` is a supported {@link StructuredOutputSchema} — object-rooted + * and entirely within the enforced subset. Throws {@link OutputSchemaError} + * (`UNSUPPORTED_SCHEMA`) listing EVERY violation; returns (and narrows) on + * success. Call this at the seam boundary, before any child is created. + * @param schema - the caller-supplied schema (unknown until asserted). + * @returns nothing — the assertion signature narrows `schema` to + * {@link StructuredOutputSchema} in the caller's scope on normal return. + */ +export function assertSupportedOutputSchema(schema: unknown): asserts schema is StructuredOutputSchema { + const violations: string[] = [] + checkSchemaNode(schema, 'schema', violations, new Set()) + if (violations.length === 0 && (schema as StructuredSchemaNode).type !== 'object') { + violations.push('schema.type must be "object" (structured output is object-rooted)') + } + if (violations.length > 0) throw new OutputSchemaError(violations) +} + +/** Collect violations for one value against an (already asserted) schema node. */ +function checkValue(node: StructuredSchemaNode, value: unknown, path: string): string[] { + switch (node.type) { + case 'object': { + if (!isObjectLike(value)) return [`"${path}" must be an object`] + const violations: string[] = [] + const properties = node.properties ?? {} + // Own-property discipline throughout: JSON carries own enumerable + // properties only, so an inherited `toString` must not satisfy + // `required`, dodge `additionalProperties: false`, or be validated as if + // the value carried it. + for (const key of node.required ?? []) { + if (!Object.hasOwn(value, key) || value[key] === undefined) violations.push(`missing required property "${path}.${key}"`) + } + for (const [key, child] of Object.entries(properties)) { + if (!Object.hasOwn(value, key) || value[key] === undefined) continue + violations.push(...checkValue(child, value[key], `${path}.${key}`)) + } + if (node.additionalProperties === false) { + for (const key of Object.keys(value)) { + if (!Object.hasOwn(properties, key)) violations.push(`"${path}.${key}" is not a declared property (additionalProperties: false)`) + } + } + return violations + } + case 'array': { + if (!Array.isArray(value)) return [`"${path}" must be an array`] + if (!node.items) return [] + const items = node.items + return value.flatMap((entry, index) => checkValue(items, entry, `${path}[${index}]`)) + } + case 'string': { + if (typeof value !== 'string') return [`"${path}" must be a string`] + break + } + case 'number': { + if (typeof value !== 'number' || !Number.isFinite(value)) return [`"${path}" must be a finite number`] + break + } + case 'integer': { + if (typeof value !== 'number' || !Number.isInteger(value)) return [`"${path}" must be an integer`] + break + } + case 'boolean': { + if (typeof value !== 'boolean') return [`"${path}" must be a boolean`] + break + } + case 'null': { + if (value !== null) return [`"${path}" must be null`] + break + } + default: + return assertNever(node.type, 'validateStructuredValue') + } + // Scalar constraint checks, shared by every scalar branch above. + if (node.enum && !node.enum.includes(value)) { + return [`"${path}" must be one of ${JSON.stringify(node.enum)}`] + } + if ('const' in node && value !== node.const) { + return [`"${path}" must be ${JSON.stringify(node.const)}`] + } + return [] +} + +/** + * Validate a value against an (already {@link assertSupportedOutputSchema}- + * asserted) schema. Returns human-readable, path-qualified violation messages + * — empty means valid. Total: never throws, however malformed the value. + * @param schema - the asserted schema to check against. + * @param value - the candidate value (e.g. parsed tool-call arguments). + * @returns every violation found, in walk order (empty = valid). + */ +export function validateStructuredValue(schema: StructuredOutputSchema, value: unknown): string[] { + return checkValue(schema, value, 'value') +} diff --git a/packages/core/tools/src/schema.ts b/packages/core/tools/src/schema.ts index 0539c1f07b..1a428ffd40 100644 --- a/packages/core/tools/src/schema.ts +++ b/packages/core/tools/src/schema.ts @@ -155,6 +155,9 @@ export interface JsonSchemaObject { * `properties`, `required` array). * * This is a plain function — no schemastery or other framework dependency. + * @param spec - the author-facing per-property schema to convert. + * @returns the wire-format JSON Schema; the top-level `required` array is + * omitted entirely when no property is marked required. */ export function schemaSpecToJsonSchema(spec: SchemaSpec): JsonSchemaObject { const properties: Record<string, unknown> = {} @@ -269,6 +272,9 @@ function checkSpec(spec: SchemaSpec, value: unknown, path: string): string[] { * keys are allowed (no `additionalProperties: false`); `default` is not * applied; an `object`/`array` prop without `properties`/`items` only * type-checks; `enum` is membership (strings only). + * @param spec - the declared parameter schema to validate against. + * @param args - the model-generated arguments, however malformed. + * @returns the violation messages in declaration order; empty means valid. */ export function validateArgs(spec: SchemaSpec, args: unknown): string[] { return checkSpec(spec, args, '') @@ -289,6 +295,13 @@ export interface DefineToolOptions<S extends SchemaSpec> { * standard JSON Schema at runtime. */ parameters: S + /** + * Optional cooperative tool-call timeout budget in milliseconds. When given it + * must be a positive finite number; it is attached to the produced + * {@link ToolDefinition} for `@deepseek-ai/dsh-timeout-policy` to enforce and + * is never sent to the model. + */ + timeoutMs?: number /** * Tool execution function. `args` is typed as {@link InferArgs<S>} — zero * casts needed. Returns either a bare {@link ContentBlock}`[]` (model-facing @@ -312,8 +325,6 @@ export interface DefineToolOptions<S extends SchemaSpec> { * free for the same replay reason. See {@link ToolResultView}. */ presentResult?(args: InferArgs<S>, result: ToolResult): ToolResultView | undefined - /** Whether the tool requires structured output (default false). */ - strict?: boolean } /** @@ -342,6 +353,13 @@ export interface DefineToolOptions<S extends SchemaSpec> { * Raw JSON-Schema tool definitions (from MCP servers) are still accepted * by `ToolRegistry.register()` directly — `defineTool` is sugar for * first-party plugin authors. + * @param options - the tool's name, description, typed parameter schema, + * execute body, and optional presenters. + * @returns a registry-ready {@link ToolDefinition}: its `execute` validates the + * raw args first (throwing {@link ToolArgsError} on mismatch, which the + * registry turns into an isError result), and its presenters validate softly + * (returning undefined on mismatch, since replay may feed them older-schema + * args). */ export function defineTool<S extends SchemaSpec>(options: DefineToolOptions<S>): ToolDefinition { // Object-literal execute methods don't use `this`; the reference is safe. @@ -351,11 +369,14 @@ export function defineTool<S extends SchemaSpec>(options: DefineToolOptions<S>): const userPresentCall = options.presentCall // eslint-disable-next-line @typescript-eslint/unbound-method const userPresentResult = options.presentResult + if (options.timeoutMs !== undefined && (!Number.isFinite(options.timeoutMs) || options.timeoutMs <= 0)) { + throw new Error(`defineTool(${options.name}): timeoutMs must be a positive finite number`) + } const tool: ToolDefinition = { name: options.name, description: options.description, parameters: schemaSpecToJsonSchema(options.parameters) as unknown as Record<string, unknown>, - ...options.strict !== undefined ? { strict: options.strict } : {}, + ...(options.timeoutMs !== undefined ? { timeoutMs: options.timeoutMs } : {}), async execute(args: unknown, exec: ToolExecution): Promise<ToolExecuteReturn> { // Validate the model-generated args before the typed body runs. On // mismatch we throw ToolArgsError; the registry turns it into an diff --git a/packages/core/tools/src/ts-types.ts b/packages/core/tools/src/ts-types.ts new file mode 100644 index 0000000000..63ebd0f888 --- /dev/null +++ b/packages/core/tools/src/ts-types.ts @@ -0,0 +1,121 @@ +/** + * Code Mode codegen: the pure projection from registered tool schemas to the + * TypeScript SDK text the model programs against (the `tools:sdk` prompt + * section). Sibling of `json-schema.ts` — `schemas()` (native function + * calling) and this module (the generated `declare const tools` surface) are + * two projections of the same store. + * + * TOTAL by design: {@link jsonSchemaToTs} maps the JSON-Schema subset the + * `defineTool` DSL emits and degrades every construct outside it (`$ref`, + * `oneOf`, `integer`, future MCP shapes, …) to `unknown` without ever + * throwing — codegen must never be the thing that fails an assembly. + * Deterministic: a fixed tool set renders byte-identical text (tools in + * lexicographic name order), so the section is prefix-cache-friendly. + * + * @module @deepseek-ai/dsh-tools/src/ts-types + */ + +import type { ToolSchema } from '@deepseek-ai/dsh-llm' + +/** Property names that are valid bare TS identifiers; anything else is quoted. */ +const IDENTIFIER = /^[A-Za-z_$][A-Za-z0-9_$]*$/ + +/** Render an object key: bare when it is a valid identifier, quoted otherwise (every name stays reachable, no aliasing). */ +function renderKey(name: string): string { + return IDENTIFIER.test(name) ? name : JSON.stringify(name) +} + +/** One `indent`-deep line prefix (two spaces per level). */ +function pad(indent: number): string { + return ' '.repeat(indent) +} + +/** A one-line JSDoc block for a schema `description`, or no lines when there is none. */ +function docLines(description: unknown, indent: number): string[] { + if (typeof description !== 'string' || description.length === 0) return [] + // Keep the doc a single-line comment per property: descriptions are prose + // (possibly with newlines); collapse whitespace so the rendered SDK stays + // stable and compact. A comment-closer inside the description is escaped so + // it cannot terminate the generated JSDoc early. + const collapsed = description.replace(/\s+/g, ' ').trim() + return [`${pad(indent)}/** ${collapsed.replaceAll('*/', String.raw`*\/`)} */`] +} + +/** + * Map one JSON-Schema node to a TypeScript type literal. Handles exactly the + * subset the `defineTool` DSL emits — `object` (`properties` + `required`), + * `string` (with `enum` → a literal union), `number`, `boolean`, `array` + * (`items`) — and returns `unknown` for anything else, without throwing. + * @param schema - the JSON-Schema node (any shape; hostile inputs degrade). + * @param indent - the indentation level for nested object members. + * @returns the TS type text (multi-line for objects with properties). + */ +export function jsonSchemaToTs(schema: unknown, indent = 0): string { + if (typeof schema !== 'object' || schema === null) return 'unknown' + const node = schema as Record<string, unknown> + switch (node.type) { + case 'string': { + if (Array.isArray(node.enum) && node.enum.length > 0 && node.enum.every(value => typeof value === 'string')) { + return node.enum.map(value => JSON.stringify(value)).join(' | ') + } + return 'string' + } + case 'number': return 'number' + case 'boolean': return 'boolean' + case 'array': { + const item = jsonSchemaToTs(node.items, indent) + // Parenthesize a union item type so `('a' | 'b')[]` parses as intended. + return item.includes('|') ? `(${item})[]` : `${item}[]` + } + case 'object': { + const properties = node.properties + if (typeof properties !== 'object' || properties === null) return 'Record<string, unknown>' + const entries = Object.entries(properties as Record<string, unknown>) + if (entries.length === 0) return 'Record<string, unknown>' + const required = new Set(Array.isArray(node.required) ? node.required.filter(name => typeof name === 'string') : []) + const lines: string[] = ['{'] + for (const [name, prop] of entries) { + const description = typeof prop === 'object' && prop !== null ? (prop as Record<string, unknown>).description : undefined + lines.push(...docLines(description, indent + 1)) + lines.push(`${pad(indent + 1)}${renderKey(name)}${required.has(name) ? '' : '?'}: ${jsonSchemaToTs(prop, indent + 1)};`) + } + lines.push(`${pad(indent)}}`) + return lines.join('\n') + } + default: return 'unknown' + } +} + +/** The fixed model-facing usage contract rendered above the declarations (see the Code Mode RFC's "What the model sees"). */ +const SDK_INSTRUCTIONS = `## Writing code for run_code + +Pass \`run_code\` the body of an async TypeScript function (erasable syntax only — no \`enum\` or namespaces; type annotations are advisory, the code runs type-stripped). Inside the program: + +- Call tools as \`await tools.name(args)\` — quoted access for exotic names: \`tools["my-tool"](args)\`. Every call resolves to the tool's text output as a string. Tool arguments must be JSON-serializable. +- A FAILED tool call rejects with an \`Error\` carrying the tool's error text — \`try/catch\` it to handle and continue. +- Calls execute sequentially, even under \`Promise.all\`. +- Emit results with \`return\` and/or \`console.log(...)\`. ONLY what you print or return comes back to you — intermediate tool results never enter the conversation, so extract just what you need. + +The available tools:` + +/** + * Render the full `tools:sdk` prompt section: the fixed usage instructions + * plus one `declare const tools` interface covering every given tool. + * Deterministic — tools are emitted in lexicographic name order, so an + * unchanged tool set produces byte-identical text across assemblies. + * @param schemas - the tool schemas to declare (the caller excludes + * `run_code` itself). + * @returns the complete section text. + */ +export function renderToolsSdk(schemas: ToolSchema[]): string { + const sorted = [...schemas].sort((a, b) => a.name < b.name ? -1 : a.name > b.name ? 1 : 0) + const members: string[] = [] + for (const schema of sorted) { + members.push(...docLines(schema.description, 1)) + members.push(`${pad(1)}${renderKey(schema.name)}(args: ${jsonSchemaToTs(schema.parameters, 1)}): Promise<string>;`) + } + const declaration = members.length > 0 + ? `declare const tools: {\n${members.join('\n')}\n}` + : 'declare const tools: {}' + return `${SDK_INSTRUCTIONS}\n\n\`\`\`ts\n${declaration}\n\`\`\`` +} diff --git a/packages/core/tools/tests/code-mode.spec.ts b/packages/core/tools/tests/code-mode.spec.ts new file mode 100644 index 0000000000..f7f4b058d8 --- /dev/null +++ b/packages/core/tools/tests/code-mode.spec.ts @@ -0,0 +1,640 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { CallId } from '@deepseek-ai/dsh-llm' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import { CodeRuntime } from '@deepseek-ai/dsh-code-runtime' +import type { CodeRunRequest, CodeRunResult } from '@deepseek-ai/dsh-code-runtime' +import ToolRegistry, { CodeRunFailedError, RUN_CODE_NAME, defineTool } from '@deepseek-ai/dsh-tools' +import type { Config, PostToolDecision, ToolExecutionResult } from '@deepseek-ai/dsh-tools' +import type { Agent } from '@deepseek-ai/dsh-agent' +import { Session, SessionId } from '@deepseek-ai/dsh-session' +import type { SessionEventMap } from '@deepseek-ai/dsh-session' + +/** + * Code Mode unit tier (per the RFC's plan): provider contribution per mode, + * misconfiguration rejections, the run_code dispatch bridge (serialization, + * abort, JSON normalization, error mapping, events, quiescence), and HMR + * safety — all against an in-repo fake runtime, exactly the + * interface/implementation/consumer shape the seam promises. + */ + +/** A scriptable in-repo CodeRuntime: each test sets `behavior` to drive the bindings however it needs. */ +class FakeRuntime extends CodeRuntime { + readonly language: string + readonly isolation = 'fake' + behavior: (request: CodeRunRequest) => Promise<CodeRunResult> = () => Promise.resolve({ logs: [] }) + lastRequest?: CodeRunRequest + + constructor(ctx: Context, config: { language?: string } = {}) { + super(ctx) + this.language = config.language ?? 'typescript' + } + + run(request: CodeRunRequest): Promise<CodeRunResult> { + this.lastRequest = request + return this.behavior(request) + } +} + +interface SetupOptions { + mode?: Config['mode'] + runtime?: false | { language?: string } + toolOrder?: string[] +} + +async function setup(options: SetupOptions = {}) { + const ctx = new Context() + await ctx.plugin(SystemPrompt, { ...options.toolOrder ? { toolOrder: options.toolOrder } : {} }) + await ctx.plugin(ToolRegistry, { mode: options.mode ?? 'code' }) + let runtime: FakeRuntime | undefined + if (options.runtime !== false) { + await ctx.plugin(FakeRuntime, options.runtime ?? {}) + runtime = ctx.codeRuntime as FakeRuntime + } + return { ctx, tools: ctx.tools, systemPrompt: ctx.systemPrompt, runtime: runtime! } +} + +/** Register a trivial echo tool; returns the calls it received. */ +function registerEcho(ctx: Context, name = 'echo'): unknown[] { + const calls: unknown[] = [] + ctx.tools.register(defineTool({ + name, + description: `Echo tool ${name}.`, + parameters: { value: { type: 'string', required: true } }, + execute(args) { + calls.push(args) + return Promise.resolve([{ type: 'text' as const, text: `${name}:${args.value}` }]) + }, + })) + return calls +} + +/** A structural fake of the owning agent: captures session appends. */ +function fakeAgent(): { agent: Agent; events: { type: string; data: unknown }[] } { + const events: { type: string; data: unknown }[] = [] + const agent = { + session: { + append: (type: string, data: unknown) => { events.push({ type, data }) }, + }, + } as unknown as Agent + return { agent, events } +} + +/** Dispatch run_code through the registry pipeline, as the loop would. */ +async function runCode(ctx: Context, code: string, extras: { agent?: Agent; signal?: AbortSignal } = {}): Promise<ToolExecutionResult> { + return ctx.tools.execute({ + callId: CallId('call-1'), + name: RUN_CODE_NAME, + arguments: { code }, + ...extras.agent ? { agent: extras.agent } : {}, + ...extras.signal ? { signal: extras.signal } : {}, + }) +} + +describe('mode-aware wire contribution', () => { + it("mode 'native' contributes every schema, no run_code, no SDK section — and needs no runtime", async () => { + const { ctx, systemPrompt } = await setup({ mode: 'native', runtime: false }) + registerEcho(ctx) + const assembly = await systemPrompt.assemble() + expect(assembly.tools.map(tool => tool.name)).toEqual(['echo']) + expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(false) + }) + + it("mode 'code' contributes exactly [run_code] plus the SDK section declaring the other tools", async () => { + const { ctx, systemPrompt } = await setup({ mode: 'code' }) + registerEcho(ctx) + const assembly = await systemPrompt.assemble() + expect(assembly.tools.map(tool => tool.name)).toEqual([RUN_CODE_NAME]) + const sdk = assembly.sections.find(section => section.name === 'tools:sdk') + expect(sdk?.text).toContain('declare const tools: {') + expect(sdk?.text).toContain('echo(args:') + expect(sdk?.text).not.toContain('run_code(args:') + }) + + it("mode 'both' contributes every native schema plus run_code, and the SDK section", async () => { + const { ctx, systemPrompt } = await setup({ mode: 'both' }) + registerEcho(ctx) + const assembly = await systemPrompt.assemble() + expect(assembly.tools.map(tool => tool.name)).toEqual(['echo', RUN_CODE_NAME]) + expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(true) + }) + + it("never exposes run_code to programs, even under mode 'both' (no recursive dispatch path)", async () => { + const { ctx, runtime } = await setup({ mode: 'both' }) + registerEcho(ctx) + runtime.behavior = (request) => { + const functions = request.bindings[0]!.functions + return Promise.resolve({ + logs: [], + value: JSON.stringify({ + names: Object.keys(functions).sort(), + // Own-property AND prototype-chain reads both come back empty — + // there is no handle a program could re-enter run_code through. + runCode: String(functions[RUN_CODE_NAME]), + }), + }) + } + const result = await runCode(ctx, 'program') + expect(result.isError).toBe(false) + expect(JSON.parse((result.content[0] as { text: string }).text)).toEqual({ names: ['echo'], runCode: 'undefined' }) + }) + + it('renders byte-identical SDK text across consecutive assemblies of an unchanged tool set', async () => { + const { ctx, systemPrompt } = await setup({ mode: 'code' }) + registerEcho(ctx) + const first = await systemPrompt.assemble() + const second = await systemPrompt.assemble() + const text = (assembly: typeof first) => assembly.sections.find(section => section.name === 'tools:sdk')?.text + expect(text(first)).toBe(text(second)) + }) + + it('rejects every assembly when a non-native mode has no code runtime', async () => { + const { systemPrompt } = await setup({ mode: 'code', runtime: false }) + await expect(systemPrompt.assemble()).rejects.toThrow(/requires a code runtime/) + }) + + it("rejects every assembly when the runtime's language is not typescript", async () => { + const { systemPrompt } = await setup({ mode: 'code', runtime: { language: 'python' } }) + await expect(systemPrompt.assemble()).rejects.toThrow(/language is "python"/) + }) + + it("rejects the assembly when toolOrder names a native tool that mode 'code' no longer contributes", async () => { + const { ctx, systemPrompt } = await setup({ mode: 'code', toolOrder: ['echo', '<unlisted-tools>'] }) + registerEcho(ctx) + await expect(systemPrompt.assemble()).rejects.toThrow(/toolOrder lists unregistered tool "echo"/) + }) + + it('removes run_code and the SDK section when the registry fiber disposes (HMR safety)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt, {}) + await ctx.plugin(FakeRuntime, {}) + const fiber = await ctx.plugin(ToolRegistry, { mode: 'code' }) + expect(ctx.tools.get(RUN_CODE_NAME)).toBeDefined() + await fiber.dispose() + const assembly = await ctx.systemPrompt.assemble() + expect(assembly.tools).toEqual([]) + expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(false) + }) +}) + +describe('the run_code dispatch bridge', () => { + it('bridges tool calls, returns only the curated output, and logs one event per dispatch', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const calls = registerEcho(ctx) + const { agent, events } = fakeAgent() + runtime.behavior = async (request) => { + const tools = request.bindings[0]!.functions + const first = await tools.echo!({ value: 'one' }) + const second = await tools.echo!({ value: 'two' }) + return { logs: [{ source: 'console', level: 'log', text: `saw ${String(first)}` }], value: second } + } + const result = await runCode(ctx, 'const …: string = …', { agent }) + expect(result.isError).toBe(false) + expect(result.content).toEqual([{ type: 'text', text: 'saw echo:one\necho:two' }]) + expect(calls).toEqual([{ value: 'one' }, { value: 'two' }]) + const dispatches = events.filter(event => event.type === 'tool/code-dispatch') + expect(dispatches.map(event => event.data)).toEqual([ + { parentCallId: 'call-1', subCallId: 'call-1:code:1', name: 'echo', arguments: { value: 'one' }, isError: false, resultSummary: 'echo:one' }, + { parentCallId: 'call-1', subCallId: 'call-1:code:2', name: 'echo', arguments: { value: 'two' }, isError: false, resultSummary: 'echo:two' }, + ]) + expect(result.meta).toEqual({ logs: [{ source: 'console', level: 'log', text: 'saw echo:one' }], dispatches: 2 }) + }) + + it('serializes Promise.all dispatches: tool executions never overlap, in submission order', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const intervals: [string, string][] = [] + let active = 0 + ctx.tools.register(defineTool({ + name: 'probe', + description: 'Records execution overlap.', + parameters: { id: { type: 'string', required: true } }, + async execute(args) { + active++ + expect(active, 'probe executions overlapped').toBe(1) + intervals.push(['enter', args.id]) + await new Promise(resolve => setTimeout(resolve, 20)) + intervals.push(['exit', args.id]) + active-- + return [{ type: 'text' as const, text: args.id }] + }, + })) + runtime.behavior = async (request) => { + const tools = request.bindings[0]!.functions + const values = await Promise.all([tools.probe!({ id: 'a' }), tools.probe!({ id: 'b' }), tools.probe!({ id: 'c' })]) + return { logs: [], value: values.join(',') } + } + const result = await runCode(ctx, 'program') + expect(result.isError).toBe(false) + expect(intervals).toEqual([ + ['enter', 'a'], ['exit', 'a'], + ['enter', 'b'], ['exit', 'b'], + ['enter', 'c'], ['exit', 'c'], + ]) + expect(result.content[0]).toEqual({ type: 'text', text: 'a,b,c' }) + }) + + it('rejects the program-side call when the tool errors, with the tool error text', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + ctx.tools.register(defineTool({ + name: 'fail', + description: 'Always fails.', + parameters: {}, + execute(): Promise<never> { return Promise.reject(new Error('deliberate failure')) }, + })) + runtime.behavior = async (request) => { + try { + await request.bindings[0]!.functions.fail!({}) + return { logs: [], value: 'unreachable' } + } catch (error: unknown) { + return { logs: [], value: `caught: ${error instanceof Error ? error.message : String(error)}` } + } + } + const result = await runCode(ctx, 'program') + expect(result.content[0]).toEqual({ type: 'text', text: 'caught: Error: deliberate failure' }) + }) + + it('a tools/pre-execute deny reaches the program as a binding rejection', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + registerEcho(ctx) + ctx.on('tools/pre-execute', (exec, next) => { + if (exec.name === 'echo') return Promise.resolve({ kind: 'deny' as const, reason: 'not on my watch' }) + return next() + }) + runtime.behavior = async (request) => { + try { + await request.bindings[0]!.functions.echo!({ value: 'x' }) + return { logs: [], value: 'unreachable' } + } catch (error: unknown) { + return { logs: [], value: `denied: ${error instanceof Error ? error.message : String(error)}` } + } + } + const result = await runCode(ctx, 'program') + expect(result.content[0]?.type).toBe('text') + expect((result.content[0] as { text: string }).text).toContain('not on my watch') + }) + + it('rejects a binding argument that does not survive JSON normalization, dispatching nothing', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const calls = registerEcho(ctx) + const { agent, events } = fakeAgent() + runtime.behavior = async (request) => { + try { + await request.bindings[0]!.functions.echo!({ value: 'x', big: 1n }) + return { logs: [], value: 'unreachable' } + } catch (error: unknown) { + return { logs: [], value: error instanceof Error ? error.message : String(error) } + } + } + const result = await runCode(ctx, 'program', { agent }) + expect((result.content[0] as { text: string }).text).toContain('JSON-serializable') + expect(calls).toEqual([]) + expect(events.filter(event => event.type === 'tool/code-dispatch')).toEqual([]) + }) + + it('dispatches the JSON-normalized value: what the tool sees is what the event logs', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const calls = registerEcho(ctx) + const { agent, events } = fakeAgent() + runtime.behavior = async (request) => { + // A Date survives structured clone but is not JSON; the bridge + // normalizes it to its JSON form (an ISO string) BEFORE dispatch. + await request.bindings[0]!.functions.echo!({ value: 'x', when: new Date(0) }).catch(() => undefined) + return { logs: [] } + } + await runCode(ctx, 'program', { agent }) + expect(calls).toEqual([{ value: 'x', when: '1970-01-01T00:00:00.000Z' }]) + const dispatch = events.find(event => event.type === 'tool/code-dispatch')?.data as SessionEventMap['tool/code-dispatch'] + expect(dispatch.arguments).toEqual({ value: 'x', when: '1970-01-01T00:00:00.000Z' }) + }) + + it('suppresses sub-call additionalContext (deliberately; pinned)', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + registerEcho(ctx) + ctx.on('tools/post-execute', (exec, _result, next): Promise<PostToolDecision> => { + if (exec.name === 'echo') { + return Promise.resolve({ + kind: 'accept' as const, + additionalContext: { content: [{ type: 'text' as const, text: 'context for the next request' }], source: { kind: 'plugin' as const, plugin: 'test' } }, + }) + } + return next() + }) + runtime.behavior = async (request) => { + await request.bindings[0]!.functions.echo!({ value: 'x' }) + return { logs: [], value: 'done' } + } + const result = await runCode(ctx, 'program') + expect(result.isError).toBe(false) + // The sub-call's context has no safe outlet mid-run; the parent result + // must not carry it either. + expect(result.additionalContext).toBeUndefined() + }) + + it('converts a failed run into a structured isError result carrying kind, message, and captured logs', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + runtime.behavior = () => Promise.resolve({ + logs: [{ source: 'console', level: 'log', text: 'got this far' }], + error: { kind: 'timeout', message: 'compute budget exhausted (300ms busy)' }, + }) + const result = await runCode(ctx, 'program') + expect(result.isError).toBe(true) + expect(result.error).toEqual({ name: 'CodeRunFailedError', code: 'CODE_RUN_FAILED' }) + const text = (result.content[0] as { text: string }).text + expect(text).toContain('code run failed (timeout)') + expect(text).toContain('compute budget exhausted') + expect(text).toContain('got this far') + }) + + it('CodeRunFailedError is a HarnessError with the CODE_RUN_FAILED code', () => { + const error = new CodeRunFailedError('boom') + expect(error.code).toBe('CODE_RUN_FAILED') + expect(error.name).toBe('CodeRunFailedError') + }) + + it('aborting the outer signal aborts the in-flight sub-dispatch and abandons queued ones', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const seen: string[] = [] + let sawAbort = false + ctx.tools.register(defineTool({ + name: 'slow', + description: 'Slow tool observing its signal.', + parameters: { id: { type: 'string', required: true } }, + async execute(args, exec) { + seen.push(args.id) + await new Promise<void>((resolve) => { + const timer = setTimeout(resolve, 500) + exec.signal?.addEventListener('abort', () => { sawAbort = true; clearTimeout(timer); resolve() }, { once: true }) + }) + return [{ type: 'text' as const, text: args.id }] + }, + })) + const controller = new AbortController() + runtime.behavior = async (request) => { + const tools = request.bindings[0]!.functions + const calls = [tools.slow!({ id: 'first' }).catch(() => 'rejected'), tools.slow!({ id: 'second' }).catch(() => 'rejected')] + setTimeout(() => { controller.abort('user-cancel') }, 50) + await Promise.all(calls) + // A real runtime would be terminated by the abort; the fake honors the + // contract by reporting the abort as the run failure. + return { logs: [], error: { kind: 'abort', message: 'user-cancel' } } + } + const result = await runCode(ctx, 'program', { signal: controller.signal }) + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('code run failed (abort)') + expect(seen).toEqual(['first']) + expect(sawAbort).toBe(true) + }) + + it('a runtime that starts a binding call and then REJECTS still reaches quiescence before returning', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const { agent, events } = fakeAgent() + let sawAbort = false + let started!: () => void + const inFlight = new Promise<void>((resolve) => { started = resolve }) + ctx.tools.register(defineTool({ + name: 'slow', + description: 'Slow tool observing its signal.', + parameters: { id: { type: 'string', required: true } }, + async execute(args, exec) { + started() + await new Promise<void>((resolve) => { + const timer = setTimeout(resolve, 500) + exec.signal?.addEventListener('abort', () => { sawAbort = true; clearTimeout(timer); resolve() }, { once: true }) + }) + return [{ type: 'text' as const, text: args.id }] + }, + })) + runtime.behavior = async (request) => { + // Start a sub-dispatch, keep its rejection held, and fail the run once + // the tool is genuinely in flight — a seam error AFTER work has begun. + // The bridge's settlement still owes quiescence: without the finally, + // run_code would return now and the slow tool would finish (and log) + // afterwards. + request.bindings[0]!.functions.slow!({ id: 'orphan' }).catch(() => 'held') + await inFlight + throw new Error('backend exploded') + } + const result = await runCode(ctx, 'program', { agent }) + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('backend exploded') + // Quiescence held: the in-flight sub-dispatch was aborted and its event + // logged INSIDE the run_code execution, not after it returned. + expect(sawAbort).toBe(true) + expect(events.filter(event => event.type === 'tool/code-dispatch').map(event => (event.data as { name: string }).name)).toEqual(['slow']) + }) + + it('runs without an owning agent: dispatches work, event logging is skipped', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const calls = registerEcho(ctx) + runtime.behavior = async (request) => { + await request.bindings[0]!.functions.echo!({ value: 'x' }) + return { logs: [], value: 'ok' } + } + const result = await runCode(ctx, 'program') + expect(result.isError).toBe(false) + expect(calls).toEqual([{ value: 'x' }]) + }) + + it('executing run_code under a missing runtime is a structured isError, not a crash', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt, {}) + await ctx.plugin(ToolRegistry, { mode: 'code' }) + const result = await runCode(ctx, 'program') + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('requires a code runtime') + }) + + it('presents the PROGRAM as the execute-card title on both call and result (the one slot execute cards always show)', async () => { + const { ctx } = await setup({ mode: 'code' }) + const tool = ctx.tools.get(RUN_CODE_NAME)! + // The program IS the title, mirroring how command tools title their cards + // with the command: an ACP client's execute-card header is the only + // always-visible slot (Zed renders no body content and no raw input for + // execute-kind cards without a real terminal). + expect(tool.presentCall?.({ code: 'return 1' })).toEqual({ + card: 'generic', + title: 'return 1', + kind: 'execute', + rawInput: 'return 1', + }) + const view = tool.presentResult?.({ code: 'return 1' }, { + content: [{ type: 'text', text: 'model-facing' }], + isError: false, + meta: { logs: [{ source: 'console', level: 'log', text: 'printed' }], dispatches: 1 }, + }) + // The result omits the title — an update replaces only provided fields, + // so the pending card's program title persists through completion. + expect(view).toEqual({ + card: 'generic', + content: [{ type: 'text', text: 'printed' }], + }) + // No captured output → no content either; everything pending persists. + expect(tool.presentResult?.({ code: 'x' }, { content: [], isError: false, meta: { logs: [], dispatches: 2 } })) + .toEqual({ card: 'generic' }) + // Replay with an unrecognizable meta falls back to the generic rendering. + expect(tool.presentResult?.({ code: 'x' }, { content: [], isError: false, meta: { other: true } })).toBeUndefined() + expect(tool.presentResult?.({ code: 'x' }, { content: [], isError: false })).toBeUndefined() + }) + + it('renders non-text sub-result blocks as placeholders and truncates long event summaries', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const { agent, events } = fakeAgent() + const long = 'x'.repeat(300) + ctx.tools.register(defineTool({ + name: 'mixed', + description: 'Returns mixed content.', + parameters: {}, + execute() { + return Promise.resolve([ + { type: 'text' as const, text: long }, + { type: 'reasoning' as const, text: 'hidden' }, + ]) + }, + })) + runtime.behavior = async (request) => { + const value = await request.bindings[0]!.functions.mixed!({}) + return { logs: [], value } + } + const result = await runCode(ctx, 'program', { agent }) + expect(result.isError).toBe(false) + expect((result.content[0] as { text: string }).text).toBe(`${long}\n[reasoning content]`) + const dispatch = events.find(event => event.type === 'tool/code-dispatch')?.data as SessionEventMap['tool/code-dispatch'] + expect(dispatch.resultSummary.length).toBe(201) + expect(dispatch.resultSummary.endsWith('…')).toBe(true) + }) + + it('rejects undefined, JSON-throwing, and JSON-unrepresentable binding arguments BEFORE dispatch', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const calls = registerEcho(ctx) + const { agent, events } = fakeAgent() + runtime.behavior = async (request) => { + const echo = request.bindings[0]!.functions.echo! + const catchMessage = (promise: Promise<unknown>) => promise.then(() => 'resolved', (error: unknown) => error instanceof Error ? error.message : String(error)) + return { + logs: [], + value: [ + // Root undefined must reject up front: the event log rejects it as + // data, and nothing may execute unlogged. + await catchMessage(echo(undefined)), + // A toJSON that throws a NON-Error propagates out of JSON.stringify. + await catchMessage(echo({ toJSON() { throw 'raw-throw' } })), + // A bare function is a value JSON cannot represent at all. + await catchMessage(echo(() => 1)), + ].join(' | '), + } + } + const result = await runCode(ctx, 'program', { agent }) + const text = (result.content[0] as { text: string }).text + expect(text).toContain('call the tool with an arguments object') + expect(text).toContain('JSON-serializable: raw-throw') + expect(text).toContain('a value JSON cannot represent') + // None of the three dispatched, none logged. + expect(calls).toEqual([]) + expect(events.filter(event => event.type === 'tool/code-dispatch')).toEqual([]) + }) + + it('logs the value the tool RECEIVED even when the tool mutates its arguments', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const { agent, events } = fakeAgent() + ctx.tools.register(defineTool({ + name: 'mutator', + description: 'Mutates its own args object.', + parameters: { list: { type: 'array', required: true } }, + execute(args) { + args.list.push('injected-by-tool') + return Promise.resolve([{ type: 'text' as const, text: 'mutated' }]) + }, + })) + runtime.behavior = async (request) => { + await request.bindings[0]!.functions.mutator!({ list: ['original'] }) + return { logs: [] } + } + const result = await runCode(ctx, 'program', { agent }) + expect(result.isError).toBe(false) + const dispatch = events.find(event => event.type === 'tool/code-dispatch')?.data as SessionEventMap['tool/code-dispatch'] + expect(dispatch.arguments).toEqual({ list: ['original'] }) + }) + + it('exposes a tool named __proto__ as an ordinary own binding', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + ctx.tools.register(defineTool({ + name: '__proto__', + description: 'A prototype-colliding tool name.', + parameters: {}, + execute() { return Promise.resolve([{ type: 'text' as const, text: 'proto-tool-ok' }]) }, + })) + runtime.behavior = async (request) => { + const functions = request.bindings[0]!.functions + expect(Object.getPrototypeOf(functions)).toBeNull() + const value = await functions['__proto__']!({}) + return { logs: [], value } + } + const result = await runCode(ctx, 'program') + expect(result.isError).toBe(false) + expect(result.content[0]).toEqual({ type: 'text', text: 'proto-tool-ok' }) + }) + + it('renders a non-string completion value inspect-style', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + runtime.behavior = () => Promise.resolve({ logs: [], value: { n: 42 } }) + const result = await runCode(ctx, 'program') + expect((result.content[0] as { text: string }).text).toBe('{ n: 42 }') + }) + + it('reports a pre-aborted outer signal as the run failure without dispatching anything', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const calls = registerEcho(ctx) + runtime.behavior = (request) => { + // The fake honors the seam contract for an already-aborted signal. + if (request.signal?.aborted) return Promise.resolve({ logs: [], error: { kind: 'abort' as const, message: String(request.signal.reason) } }) + return Promise.resolve({ logs: [], value: 'unreachable' }) + } + const controller = new AbortController() + controller.abort('too-late') + const result = await runCode(ctx, 'program', { signal: controller.signal }) + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('code run failed (abort)') + expect(calls).toEqual([]) + }) + + it('rejects a binding invoked after the run is over without dispatching it', async () => { + const { ctx, runtime } = await setup({ mode: 'code' }) + const calls = registerEcho(ctx) + const controller = new AbortController() + runtime.behavior = async (request) => { + controller.abort('cancelled-mid-run') + const message = await request.bindings[0]!.functions.echo!({ value: 'x' }) + .then(() => 'resolved', (error: unknown) => error instanceof Error ? error.message : String(error)) + return { logs: [], value: message } + } + const result = await runCode(ctx, 'program', { signal: controller.signal }) + expect(result.isError).toBe(false) + expect((result.content[0] as { text: string }).text).toContain('not dispatched') + expect(calls).toEqual([]) + }) + + it('a tool/code-dispatch event never derives a model message', () => { + const session = new Session(SessionId('code-mode-derive')) + session.append('user/message', { content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + session.append('tool/code-dispatch', { + parentCallId: CallId('p1'), + subCallId: CallId('p1:code:1'), + name: 'echo', + arguments: { value: 'x' }, + isError: false, + resultSummary: 'echo:x', + }) + const derived = session.deriveMessages() + expect(derived).toHaveLength(1) + expect(derived[0]?.role).toBe('user') + }) + + it('defaults to native mode under direct construction with no config', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt, {}) + const registry = new ToolRegistry(ctx) + expect(registry.get(RUN_CODE_NAME)).toBeUndefined() + const assembly = await ctx.systemPrompt.assemble() + expect(assembly.sections.some(section => section.name === 'tools:sdk')).toBe(false) + }) +}) diff --git a/packages/core/tools/tests/gen-tool-catalog.spec.ts b/packages/core/tools/tests/gen-tool-catalog.spec.ts index f034c0529f..8bab060a5d 100644 --- a/packages/core/tools/tests/gen-tool-catalog.spec.ts +++ b/packages/core/tools/tests/gen-tool-catalog.spec.ts @@ -35,7 +35,7 @@ describe('gen-tool-catalog collectToolCatalog', () => { it('boots every shipped tool package and harvests its model-facing schemas', async () => { const catalog = await collectToolCatalog() const names = catalog.flatMap(entry => entry.schemas.map(s => s.name)).sort() - expect(names).toEqual(['bash', 'bash_kill', 'bash_output', 'edit', 'read', 'subagent', 'todo_write', 'web_fetch', 'web_search', 'write']) + expect(names).toEqual(['ask_user_question', 'bash', 'bash_kill', 'bash_output', 'cordis_inspect', 'cordis_mount', 'cordis_unmount', 'edit', 'read', 'run_code', 'skill', 'subagent', 'todo_write', 'web_fetch', 'web_search', 'workflow', 'write']) // Every tool carries a JSON-Schema `parameters` object (what the model sees). for (const entry of catalog) { for (const schema of entry.schemas) { @@ -93,25 +93,17 @@ describe('gen-tool-catalog render', () => { { pkg: '@deepseek-ai/dsh-tool-demo', source: 'packages/demo/tool-demo/src/index.ts', + requires: ['ctx.tools'], + writes: ['tool/result'], schemas: [{ name: 'demo', description: 'A demo tool.', parameters: { type: 'object', properties: {} } }], }, ] const md = render(catalog) + expect(md).toContain('| `@deepseek-ai/dsh-tool-demo` | `demo` | `ctx.tools` | `tool/result` |') expect(md).toContain('## `@deepseek-ai/dsh-tool-demo`') expect(md).toContain('### `demo`') expect(md).toContain('A demo tool.') expect(md).toContain('```json') expect(md).toContain('Source: [`packages/demo/tool-demo/src/index.ts`]') }) - - it('renders the strict flag when a schema sets it', () => { - const catalog: ToolCatalog = [ - { - pkg: '@deepseek-ai/dsh-tool-demo', - source: 'packages/demo/tool-demo/src/index.ts', - schemas: [{ name: 'demo', description: '', parameters: { type: 'object', properties: {} }, strict: true }], - }, - ] - expect(render(catalog)).toContain('Strict: `true`') - }) }) diff --git a/packages/core/tools/tests/json-schema.spec.ts b/packages/core/tools/tests/json-schema.spec.ts new file mode 100644 index 0000000000..6fa895288e --- /dev/null +++ b/packages/core/tools/tests/json-schema.spec.ts @@ -0,0 +1,304 @@ +import { describe, expect, it } from 'vitest' +import { + assertSupportedOutputSchema, + OutputSchemaError, + validateStructuredValue, + type StructuredOutputSchema, +} from '../src/json-schema.ts' + +/** Assert-and-narrow helper: the asserted schema, typed. */ +function asserted(schema: unknown): StructuredOutputSchema { + assertSupportedOutputSchema(schema) + return schema +} + +/** The violations OutputSchemaError carries for a bad schema (throws if it passes). */ +function violationsOf(schema: unknown): string[] { + try { + assertSupportedOutputSchema(schema) + } catch (error: unknown) { + if (error instanceof OutputSchemaError) return error.violations + throw error + } + throw new Error('expected the schema to be rejected') +} + +describe('assertSupportedOutputSchema', () => { + it('accepts a representative subset schema (all supported keywords)', () => { + const schema = asserted({ + type: 'object', + description: 'a finding', + title: 'Finding', + properties: { + file: { type: 'string', description: 'path' }, + line: { type: 'integer' }, + severity: { type: 'string', enum: ['low', 'high'] }, + kind: { type: 'string', const: 'bug' }, + score: { type: 'number' }, + confirmed: { type: 'boolean' }, + parent: { type: 'null' }, + tags: { type: 'array', items: { type: 'string' } }, + nested: { + type: 'object', + properties: { x: { type: 'number', default: 3, examples: [1, 2] } }, + additionalProperties: false, + }, + anything: { type: 'array' }, + }, + required: ['file', 'line'], + additionalProperties: true, + }) + expect(schema.type).toBe('object') + }) + + it('rejects a non-object root (scalar/array-rooted schemas)', () => { + expect(violationsOf({ type: 'string' })).toEqual(['schema.type must be "object" (structured output is object-rooted)']) + expect(violationsOf({ type: 'array', items: { type: 'string' } })) + .toContain('schema.type must be "object" (structured output is object-rooted)') + }) + + it('rejects non-object schema nodes and missing/unknown type', () => { + expect(violationsOf('nope')).toEqual(['schema must be a schema object']) + expect(violationsOf(null)).toEqual(['schema must be a schema object']) + expect(violationsOf([])).toEqual(['schema must be a schema object']) + expect(violationsOf({})).toEqual(['schema.type must be one of object/array/string/number/integer/boolean/null']) + expect(violationsOf({ type: 'tuple' })[0]).toMatch(/type must be one of/) + expect(violationsOf({ type: 'object', properties: { a: 'str' } })).toEqual(['schema.properties.a must be a schema object']) + }) + + it('rejects type ARRAYS with a dedicated message', () => { + expect(violationsOf({ type: ['string', 'null'] })) + .toEqual(['schema.type must be a single type string (type arrays are not supported)']) + }) + + it('rejects unsupported constraint keywords loudly (never accepted-then-ignored)', () => { + for (const keyword of ['oneOf', 'anyOf', 'allOf', 'not', 'pattern', 'minimum', 'maxLength', '$ref']) { + const bad = violationsOf({ type: 'object', [keyword]: [] }) + expect(bad.some(v => v.includes(`schema.${keyword} is not a supported keyword`))).toBe(true) + } + }) + + it('reports EVERY violation, not just the first', () => { + const bad = violationsOf({ + type: 'object', + pattern: 'x', + properties: { a: { type: 'weird' }, b: { type: 'string', minimum: 1 } }, + }) + expect(bad.length).toBe(3) + }) + + it('rejects keywords on the wrong type (items on object, properties on string, enum on object)', () => { + expect(violationsOf({ type: 'object', items: { type: 'string' } })) + .toEqual(['schema.items is not supported on type "object"']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', properties: {} } } })) + .toEqual(['schema.properties.a.properties is not supported on type "string"']) + expect(violationsOf({ type: 'object', enum: [1] })) + .toEqual(['schema.enum is not supported on type "object"']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'array', const: 1 } } })) + .toEqual(['schema.properties.a.const is not supported on type "array"']) + }) + + it('validates required: must be string[] naming declared properties', () => { + expect(violationsOf({ type: 'object', required: 'file' })) + .toEqual(['schema.required must be an array of strings']) + expect(violationsOf({ type: 'object', required: [1] })) + .toEqual(['schema.required must be an array of strings']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string' } }, required: ['b'] })) + .toEqual(['schema.required names "b" which is not in properties']) + expect(violationsOf({ type: 'object', required: ['a'] })) + .toEqual(['schema.required names "a" which is not in properties']) + }) + + it('validates additionalProperties must be boolean and enum/const must be scalars', () => { + expect(violationsOf({ type: 'object', additionalProperties: {} })) + .toEqual(['schema.additionalProperties must be a boolean']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', enum: [] } } })) + .toEqual(['schema.properties.a.enum must be a non-empty array of scalars']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', enum: [{}] } } })) + .toEqual(['schema.properties.a.enum must be a non-empty array of scalars']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', enum: 'x' } } })) + .toEqual(['schema.properties.a.enum must be a non-empty array of scalars']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'number', enum: [Number.NaN] } } })) + .toEqual(['schema.properties.a.enum must be a non-empty array of scalars']) + expect(violationsOf({ type: 'object', properties: { a: { type: 'string', const: {} } } })) + .toEqual(['schema.properties.a.const must be a scalar']) + }) + + it('rejects non-string description/title and non-JSON annotation payloads', () => { + expect(violationsOf({ type: 'object', description: 7 })) + .toEqual(['schema.description must be a string']) + expect(violationsOf({ type: 'object', title: 7 })) + .toEqual(['schema.title must be a string']) + expect(violationsOf({ type: 'object', default: () => 1 })) + .toEqual(['schema.default annotation must be JSON data']) + expect(violationsOf({ type: 'object', examples: [undefined] })) + .toEqual(['schema.examples annotation must be JSON data']) + expect(violationsOf({ type: 'object', examples: [Number.POSITIVE_INFINITY] })) + .toEqual(['schema.examples annotation must be JSON data']) + // A cyclic annotation payload is caught by the JSON-data walk. + const cyclicAnnotation: Record<string, unknown> = {} + cyclicAnnotation.self = cyclicAnnotation + expect(violationsOf({ type: 'object', default: cyclicAnnotation })) + .toEqual(['schema.default annotation must be JSON data']) + // Object/array annotations that ARE JSON data pass. + asserted({ type: 'object', default: { a: [1, 'x', null, true] } }) + }) + + it('rejects a circular schema instead of recursing forever', () => { + const node: Record<string, unknown> = { type: 'object' } + node.properties = { self: node } + expect(violationsOf(node)).toEqual(['schema.properties.self is circular']) + }) + + it('accepts the same subschema object reused in two SIBLING positions (a DAG, not a cycle)', () => { + const leaf = { type: 'string' } + asserted({ type: 'object', properties: { a: leaf, b: leaf } }) + }) + + it('required cannot be satisfied by INHERITED names — `toString` is not a declared property', () => { + // `'toString' in {}` is true via Object.prototype; the declared-property + // contract must be an own-property check. + expect(violationsOf({ type: 'object', properties: {}, required: ['toString'] })) + .toEqual(['schema.required names "toString" which is not in properties']) + }) + + it('rejects exotic host objects where the subset expects plain JSON structure', () => { + // A Map as `properties` has no own enumerable entries: structurally it + // would read as "no properties" and serialize to {} — lossy, not loud. + expect(violationsOf({ type: 'object', properties: new Map() })) + .toEqual(['schema.properties must be an object of schemas']) + // A Date node is not a schema object even though Object.values(date) is []. + expect(violationsOf({ type: 'object', properties: { at: new Date(0) } })) + .toEqual(['schema.properties.at must be a schema object']) + }) + + it('rejects exotic annotation payloads that would serialize lossily', () => { + expect(violationsOf({ type: 'object', default: new Date(0) })) + .toEqual(['schema.default annotation must be JSON data']) + expect(violationsOf({ type: 'object', examples: [new Map()] })) + .toEqual(['schema.examples annotation must be JSON data']) + }) +}) + +describe('validateStructuredValue', () => { + const schema = asserted({ + type: 'object', + properties: { + file: { type: 'string' }, + line: { type: 'integer' }, + score: { type: 'number' }, + confirmed: { type: 'boolean' }, + parent: { type: 'null' }, + severity: { type: 'string', enum: ['low', 'high'] }, + kind: { type: 'string', const: 'bug' }, + tags: { type: 'array', items: { type: 'string' } }, + free: { type: 'array' }, + nested: { type: 'object', properties: { x: { type: 'number' } }, required: ['x'], additionalProperties: false }, + }, + required: ['file'], + }) + + it('accepts a fully valid value (empty violations)', () => { + expect(validateStructuredValue(schema, { + file: 'a.ts', line: 3, score: 0.5, confirmed: true, parent: null, + severity: 'high', kind: 'bug', tags: ['x'], free: [1, { any: true }], nested: { x: 1 }, + })).toEqual([]) + }) + + it('reports missing required and wrong root type', () => { + expect(validateStructuredValue(schema, {})).toEqual(['missing required property "value.file"']) + expect(validateStructuredValue(schema, 'nope')).toEqual(['"value" must be an object']) + expect(validateStructuredValue(schema, [])).toEqual(['"value" must be an object']) + }) + + it('type-checks every scalar branch with path-qualified messages', () => { + expect(validateStructuredValue(schema, { file: 1 })).toEqual(['"value.file" must be a string']) + expect(validateStructuredValue(schema, { file: 'a', line: 1.5 })).toEqual(['"value.line" must be an integer']) + expect(validateStructuredValue(schema, { file: 'a', line: 'x' })).toEqual(['"value.line" must be an integer']) + expect(validateStructuredValue(schema, { file: 'a', score: 'x' })).toEqual(['"value.score" must be a finite number']) + expect(validateStructuredValue(schema, { file: 'a', score: Number.NaN })).toEqual(['"value.score" must be a finite number']) + expect(validateStructuredValue(schema, { file: 'a', confirmed: 'yes' })).toEqual(['"value.confirmed" must be a boolean']) + expect(validateStructuredValue(schema, { file: 'a', parent: 0 })).toEqual(['"value.parent" must be null']) + }) + + it('enforces enum membership and const equality', () => { + expect(validateStructuredValue(schema, { file: 'a', severity: 'mid' })) + .toEqual(['"value.severity" must be one of ["low","high"]']) + expect(validateStructuredValue(schema, { file: 'a', kind: 'feature' })) + .toEqual(['"value.kind" must be "bug"']) + }) + + it('checks arrays per index; an items-less array accepts anything', () => { + expect(validateStructuredValue(schema, { file: 'a', tags: 'x' })).toEqual(['"value.tags" must be an array']) + expect(validateStructuredValue(schema, { file: 'a', tags: ['ok', 2] })).toEqual(['"value.tags[1]" must be a string']) + expect(validateStructuredValue(schema, { file: 'a', free: [{ deep: [1] }, null] })).toEqual([]) + }) + + it('recurses into nested objects: required + additionalProperties: false', () => { + expect(validateStructuredValue(schema, { file: 'a', nested: {} })) + .toEqual(['missing required property "value.nested.x"']) + expect(validateStructuredValue(schema, { file: 'a', nested: { x: 1, y: 2 } })) + .toEqual(['"value.nested.y" is not a declared property (additionalProperties: false)']) + expect(validateStructuredValue(schema, { file: 'a', nested: 3 })) + .toEqual(['"value.nested" must be an object']) + }) + + it('a required key present-but-undefined counts as missing', () => { + expect(validateStructuredValue(schema, { file: undefined })).toEqual(['missing required property "value.file"']) + }) + + it('inherited properties satisfy nothing: required, additionalProperties, and recursion are own-property only', () => { + // required: ['toString'] must NOT be satisfied by Object.prototype.toString. + expect(validateStructuredValue( + asserted({ type: 'object', properties: { toString: { type: 'string' } }, required: ['toString'] }), + {}, + )).toEqual(['missing required property "value.toString"']) + // additionalProperties: false must flag an OWN `toString` key even though + // `'toString' in properties` is true via the prototype. + expect(validateStructuredValue( + asserted({ type: 'object', additionalProperties: false }), + { toString: 1 }, + )).toEqual(['"value.toString" is not a declared property (additionalProperties: false)']) + // A declared property the value does NOT carry must not be validated + // against the value's INHERITED member (constructor is a function on + // every plain object's prototype, not a carried property). + expect(validateStructuredValue( + asserted({ type: 'object', properties: { constructor: { type: 'string' } } }), + {}, + )).toEqual([]) + }) + + it('a non-plain object value is not an object in the JSON sense', () => { + expect(validateStructuredValue(asserted({ type: 'object' }), new Date(0))) + .toEqual(['"value" must be an object']) + }) + + it('collects multiple violations across branches in one pass', () => { + expect(validateStructuredValue(schema, { line: 'x', severity: 'mid' })).toEqual([ + 'missing required property "value.file"', + '"value.line" must be an integer', + '"value.severity" must be one of ["low","high"]', + ]) + }) + + it('null-typed const/enum work through the scalar path', () => { + const nullish = asserted({ type: 'object', properties: { a: { type: 'null', const: null } } }) + expect(validateStructuredValue(nullish, { a: null })).toEqual([]) + }) + + it('rejects a non-object properties value in the schema walk', () => { + expect(violationsOf({ type: 'object', properties: [] })) + .toEqual(['schema.properties must be an object of schemas']) + }) + + it('an object schema without properties/required only type-checks its value', () => { + const bare = asserted({ type: 'object' }) + expect(validateStructuredValue(bare, { any: ['thing'] })).toEqual([]) + expect(validateStructuredValue(bare, 7)).toEqual(['"value" must be an object']) + }) + + it('validateStructuredValue throws on a type the assert would never let through (assertNever backstop)', () => { + const forged = { type: 'tuple' } as unknown as StructuredOutputSchema + expect(() => validateStructuredValue(forged, 1)).toThrow(/tuple/) + }) +}) diff --git a/packages/core/tools/tests/tools.spec.ts b/packages/core/tools/tests/tools.spec.ts index ca63338258..ca0ab58206 100644 --- a/packages/core/tools/tests/tools.spec.ts +++ b/packages/core/tools/tests/tools.spec.ts @@ -2,9 +2,12 @@ import { describe, expect, expectTypeOf, it } from 'vitest' import { Context } from 'cordis' import { CallId, HarnessError } from '@deepseek-ai/dsh-llm' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import type { Agent } from '@deepseek-ai/dsh-agent' +import ApprovalService, { type ApprovalOutcome, type ApprovalRequest } from '@deepseek-ai/dsh-user-approval' import ToolRegistry, { defineTool, schemaSpecToJsonSchema, validateArgs, ToolArgsError, ToolNotFoundError, type InferArgs, type SchemaSpec, type PreToolDecision, type PostToolDecision, + type ToolExecution, type ToolExecutionResult, } from '@deepseek-ai/dsh-tools' async function setup() { @@ -62,16 +65,15 @@ describe('ToolRegistry', () => { expect(schema.execute).toBeUndefined() }) - it('schemas() preserves `strict` when set (allowlist keeps the model-facing fields)', async () => { + it('schemas() excludes timeoutMs — the budget must never reach the model', async () => { const ctx = await setup() ctx.tools.register(defineTool({ - name: 'strict-tool', - description: 'd', - parameters: { x: { type: 'string', required: true } }, - strict: true, - async execute() { return [] }, + name: 'budgeted', description: 'has a budget', parameters: {}, timeoutMs: 5_000, + async execute() { return [{ type: 'text' as const, text: 'ok' }] }, })) - expect(ctx.tools.schemas()[0]).toMatchObject({ name: 'strict-tool', strict: true }) + const schema = ctx.tools.schemas().find(s => s.name === 'budgeted') + expect(schema).toBeDefined() + expect('timeoutMs' in (schema as object)).toBe(false) }) it('executes a tool and returns its content', async () => { @@ -158,7 +160,7 @@ describe('ToolRegistry', () => { expect(result.content[0]).toMatchObject({ text: 'Error: denied by policy' }) }) - it('an ask decision degrades to deny until the permission system lands', async () => { + it('an ask decision degrades to deny when no approval seam is mounted', async () => { const ctx = await setup() ctx.tools.register(echoTool) @@ -181,6 +183,107 @@ describe('ToolRegistry', () => { expect(result.content[0]).toMatchObject({ text: 'Error: tool "echo" requires approval (not yet supported)' }) }) + describe('ask routing through ctx.approval', () => { + /** + * A minimal Agent stand-in — the approval seam reaches + * `agent.session.append` and folds `.events`; the seeded open turn + * satisfies request()'s enclosure precondition. + */ + function fakeAgent(): Agent { + return { + session: { events: [{ type: 'turn/start' }], append: () => ({}) }, + } as unknown as Agent + } + + async function approvalSetup() { + const ctx = await setup() + await ctx.plugin(ApprovalService) + ctx.tools.register(echoTool) + return ctx + } + + it('dispatches the tool when the answerer grants allowed-once, forwarding the ask fields', async () => { + const ctx = await approvalSetup() + const agent = fakeAgent() + const controller = new AbortController() + const seen: ApprovalRequest[] = [] + ctx.on('approval/request', (req) => { + seen.push(req) + return Promise.resolve<ApprovalOutcome>('allowed-once') + }) + ctx.on('tools/pre-execute', async (_exec, _next): Promise<PreToolDecision> => + ({ kind: 'ask', reason: 'hook wants a human' })) + + const result = await ctx.tools.execute({ + callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' }, agent, signal: controller.signal, + }) + + expect(result).toMatchObject({ isError: false, content: [{ type: 'text', text: 'hi' }] }) + expect(seen).toHaveLength(1) + expect(seen[0]).toMatchObject({ agent, toolName: 'echo', callId: 'c1', reason: 'hook wants a human' }) + expect(seen[0]?.signal).toBe(controller.signal) + }) + + it('denies with the user-rejection reason on rejected', async () => { + const ctx = await approvalSetup() + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('rejected')) + ctx.on('tools/pre-execute', async (_exec, _next): Promise<PreToolDecision> => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {}, agent: fakeAgent() }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: the user rejected tool "echo"' }) + }) + + it('denies with the cancellation reason on cancelled', async () => { + const ctx = await approvalSetup() + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('cancelled')) + ctx.on('tools/pre-execute', async (_exec, _next): Promise<PreToolDecision> => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {}, agent: fakeAgent() }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: approval for tool "echo" was cancelled' }) + }) + + it('denies with the no-channel reason when the seam is mounted but nobody answers', async () => { + const ctx = await approvalSetup() + ctx.on('tools/pre-execute', async (_exec, _next): Promise<PreToolDecision> => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {}, agent: fakeAgent() }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: tool "echo" requires approval, but no approval channel is available' }) + }) + + it('denies an agent-less execution without asking — nothing to route or audit through', async () => { + const ctx = await approvalSetup() + let asked = false + ctx.on('approval/request', () => { + asked = true + return Promise.resolve<ApprovalOutcome>('allowed-once') + }) + ctx.on('tools/pre-execute', async (_exec, _next): Promise<PreToolDecision> => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {} }) + expect(asked).toBe(false) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: tool "echo" requires approval, but the call has no agent to route it through' }) + }) + + it('turns a rogue outcome from a NON-conforming approval stand-in into an isError result', async () => { + // ApprovalService normalizes rogue answers itself; this pins the + // registry's own exhaustiveness backstop by shadowing the service with a + // stand-in that violates the outcome contract. + const ctx = await setup() + ctx.tools.register(echoTool) + ctx.provide('approval', { request: () => Promise.resolve('yolo') } as unknown as ApprovalService) + ctx.on('tools/pre-execute', async (_exec, _next): Promise<PreToolDecision> => ({ kind: 'ask' })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: {}, agent: fakeAgent() }) + expect(result.isError).toBe(true) + const text = result.content[0]?.type === 'text' ? result.content[0].text : '' + expect(text).toContain('unreachable') + }) + }) + it('a tools/post-execute listener can replace the result content (accept) ', async () => { const ctx = await setup() ctx.tools.register(echoTool) @@ -284,6 +387,151 @@ describe('ToolRegistry', () => { expect(order).toEqual(['pre:before', 'pre:after', 'post:before', 'post:after']) }) + it('runs tools/execute after an allowed pre-execute, around dispatch, and before post-execute', async () => { + const ctx = await setup() + const order: string[] = [] + ctx.tools.register(defineTool({ + name: 'traced', + description: 'echo', + parameters: { text: { type: 'string' } }, + async execute(args) { + order.push('dispatch') + return [{ type: 'text' as const, text: args.text ?? '' }] + }, + })) + + ctx.on('tools/pre-execute', async (_exec, next) => { order.push('pre'); return next() }) + ctx.on('tools/execute', async (_exec: ToolExecution, next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult> => { + order.push('execute:before') + const result = await next() + order.push('execute:after') + return result + }) + ctx.on('tools/post-execute', async (_exec, _result, next) => { order.push('post'); return next() }) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'traced', arguments: { text: 'hi' } }) + expect(result).toEqual({ callId: CallId('c1'), content: [{ type: 'text', text: 'hi' }], isError: false }) + // The around seam wraps dispatch; pre gates before it, post runs over its result. + expect(order).toEqual(['pre', 'execute:before', 'dispatch', 'execute:after', 'post']) + }) + + it('a pre-execute deny short-circuits before tools/execute (the seam never runs)', async () => { + const ctx = await setup() + ctx.tools.register(echoTool) + + let entered = false + ctx.on('tools/pre-execute', async (_exec, _next): Promise<PreToolDecision> => ({ kind: 'deny', reason: 'nope' })) + ctx.on('tools/execute', async (_exec: ToolExecution, next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult> => { + entered = true + return next() + }) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: nope' }) + expect(entered).toBe(false) // a denied call never enters the around-dispatch seam + }) + + it('a thrown tool is normalized to an isError result BEFORE a tools/execute listener sees next()', async () => { + const ctx = await setup() + ctx.tools.register({ + ...echoTool, + name: 'boom', + async execute() { throw new HarnessError('kaboom', 'BOOM') }, + }) + + let seen: { isError: boolean; error?: unknown } | undefined + ctx.on('tools/execute', async (_exec: ToolExecution, next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult> => { + const result = await next() + // The base next() IS dispatch-with-normalization: the wrapper sees the + // normalized isError result, never a raw throw from the tool body. + seen = { isError: result.isError, error: result.error } + return result + }) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'boom', arguments: {} }) + expect(seen).toEqual({ isError: true, error: { name: 'HarnessError', code: 'BOOM' } }) + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: kaboom' }) + }) + + it('a thrown tool normalized inside tools/execute still reaches post-execute', async () => { + const ctx = await setup() + ctx.tools.register({ + ...echoTool, + name: 'boom', + async execute() { throw new Error('exploded') }, + }) + + let postSaw: boolean | undefined + ctx.on('tools/execute', async (_exec: ToolExecution, next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult> => next()) + ctx.on('tools/post-execute', async (_exec, result, next) => { + postSaw = result.isError + return next() + }) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'boom', arguments: {} }) + expect(postSaw).toBe(true) // the normalized isError still flows through post-execute + expect(result.isError).toBe(true) + expect(result.content[0]).toMatchObject({ text: 'Error: exploded' }) + }) + + it('a tools/execute listener can replace exec.signal for the dispatched tool (deadline pattern)', async () => { + const ctx = await setup() + let seenSignal: AbortSignal | undefined + ctx.tools.register({ + ...echoTool, + name: 'signal-probe', + async execute(_args, exec) { + seenSignal = exec.signal + return [{ type: 'text' as const, text: 'ok' }] + }, + }) + + const upstream = new AbortController().signal + const replacement = new AbortController().signal + ctx.on('tools/execute', async (exec: ToolExecution, next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult> => { + expect(exec.signal).toBe(upstream) + // Cordis next() ignores passed arguments, so a wrapper mutates exec in + // place (the documented "mutate the shared object, then delegate" idiom). + exec.signal = replacement + return next() + }) + + await ctx.tools.execute({ callId: CallId('c1'), name: 'signal-probe', arguments: {}, signal: upstream }) + expect(seenSignal).toBe(replacement) // dispatch saw the wrapper's replacement, not the upstream + }) + + it('a tools/execute listener can short-circuit dispatch by returning a result without next()', async () => { + const ctx = await setup() + let dispatched = false + ctx.tools.register({ + ...echoTool, + name: 'never-runs', + async execute() { dispatched = true; return [] }, + }) + + ctx.on('tools/execute', async (exec: ToolExecution, _next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult> => + ({ callId: exec.callId, content: [{ type: 'text', text: 'short-circuited' }], isError: false })) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'never-runs', arguments: {} }) + expect(dispatched).toBe(false) // returning without next() skips core dispatch + expect(result.content[0]).toMatchObject({ text: 'short-circuited' }) + }) + + it('returns an isError result when a tools/execute listener throws', async () => { + const ctx = await setup() + ctx.tools.register(echoTool) + ctx.on('tools/execute', async () => { throw new Error('wrapper broke') }) + + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'echo', arguments: { text: 'hi' } }) + expect(result).toEqual({ + callId: CallId('c1'), + content: [{ type: 'text', text: 'Error: wrapper broke' }], + isError: true, + }) + }) + it('returns an isError result when a tools/pre-execute listener throws', async () => { const ctx = await setup() ctx.tools.register(echoTool) @@ -611,44 +859,6 @@ describe('schema DSL edge cases', () => { }) }) - it('defineTool passes through strict flag when set to true', () => { - const tool = defineTool({ - name: 'strict-tool', - description: 'A strict tool', - parameters: { input: { type: 'string' } }, - strict: true, - async execute(args) { - return [{ type: 'text' as const, text: args.input ?? '' }] - }, - }) - expect(tool.strict).toBe(true) - }) - - it('defineTool omits strict when not provided', () => { - const tool = defineTool({ - name: 'non-strict-tool', - description: 'A non-strict tool', - parameters: { input: { type: 'string' } }, - async execute(args) { - return [{ type: 'text' as const, text: args.input ?? '' }] - }, - }) - expect('strict' in tool).toBe(false) - }) - - it('defineTool strict=false is included', () => { - const tool = defineTool({ - name: 'explicitly-non-strict', - description: 'Explicitly non-strict', - parameters: { input: { type: 'string' } }, - strict: false, - async execute(args) { - return [{ type: 'text' as const, text: args.input ?? '' }] - }, - }) - expect(tool.strict).toBe(false) - }) - it('handles enum and default together in one property', () => { const spec = { level: { type: 'string', enum: ['low', 'high'], default: 'low' }, @@ -1039,6 +1249,38 @@ describe('defineTool validation (the runtime-validation RFC, part 1)', () => { const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'raw', arguments: {} }) expect(result.isError).toBe(false) }) + + it('attaches a positive-finite timeoutMs to the definition', () => { + const tool = defineTool({ + name: 'x', description: 'd', parameters: {}, timeoutMs: 30_000, + async execute() { return [{ type: 'text' as const, text: 'ok' }] }, + }) + expect(tool.timeoutMs).toBe(30_000) + }) + + it('omits timeoutMs when not declared', () => { + const tool = defineTool({ + name: 'x', description: 'd', parameters: {}, + async execute() { return [{ type: 'text' as const, text: 'ok' }] }, + }) + expect(tool.timeoutMs).toBeUndefined() + }) + + it('throws when timeoutMs is zero or negative', () => { + const make = (ms: number) => defineTool({ + name: 'x', description: 'd', parameters: {}, timeoutMs: ms, + async execute() { return [{ type: 'text' as const, text: 'ok' }] }, + }) + expect(() => make(0)).toThrow('timeoutMs must be a positive finite number') + expect(() => make(-5)).toThrow('positive finite number') + }) + + it('throws when timeoutMs is non-finite', () => { + expect(() => defineTool({ + name: 'x', description: 'd', parameters: {}, timeoutMs: Infinity, + async execute() { return [{ type: 'text' as const, text: 'ok' }] }, + })).toThrow('positive finite number') + }) }) describe('defineTool presentation (presentCall / presentResult)', () => { diff --git a/packages/core/tools/tests/ts-types.spec.ts b/packages/core/tools/tests/ts-types.spec.ts new file mode 100644 index 0000000000..df30a58238 --- /dev/null +++ b/packages/core/tools/tests/ts-types.spec.ts @@ -0,0 +1,124 @@ +import { describe, expect, it } from 'vitest' +import { jsonSchemaToTs, renderToolsSdk } from '@deepseek-ai/dsh-tools/src/ts-types.ts' +import { schemaSpecToJsonSchema } from '@deepseek-ai/dsh-tools' +import type { ToolSchema } from '@deepseek-ai/dsh-llm' + +describe('jsonSchemaToTs', () => { + it('maps the defineTool DSL subset', () => { + const cases: [unknown, string][] = [ + [{ type: 'string' }, 'string'], + [{ type: 'number' }, 'number'], + [{ type: 'boolean' }, 'boolean'], + [{ type: 'string', enum: ['a', 'b'] }, '"a" | "b"'], + [{ type: 'array', items: { type: 'number' } }, 'number[]'], + [{ type: 'array', items: { type: 'string', enum: ['x', 'y'] } }, '("x" | "y")[]'], + [{ type: 'array' }, 'unknown[]'], + [{ type: 'object' }, 'Record<string, unknown>'], + [{ type: 'object', properties: {} }, 'Record<string, unknown>'], + ] + for (const [schema, expected] of cases) { + expect(jsonSchemaToTs(schema), JSON.stringify(schema)).toBe(expected) + } + }) + + it('renders objects with required/optional keys, nested shapes, and per-property docs', () => { + const schema = schemaSpecToJsonSchema({ + path: { type: 'string', required: true, description: 'Absolute file path' }, + limit: { type: 'number' }, + opts: { + type: 'object', + properties: { deep: { type: 'boolean', required: true } }, + }, + }) + expect(jsonSchemaToTs(schema)).toBe([ + '{', + ' /** Absolute file path */', + ' path: string;', + ' limit?: number;', + ' opts?: {', + ' deep: boolean;', + ' };', + '}', + ].join('\n')) + }) + + it('is total: unsupported or hostile constructs degrade to unknown, never throw', () => { + const cases: unknown[] = [ + undefined, + null, + 42, + 'string-schema', + {}, + { type: 'integer' }, + { type: 'null' }, + { oneOf: [{ type: 'string' }] }, + { $ref: '#/defs/x' }, + { type: 'object', properties: 7 }, + { type: 'object', properties: { bad: { $ref: 'x' } } }, + { type: 'string', enum: [1, 2] }, + { type: 'string', enum: [] }, + ] + for (const schema of cases) { + expect(() => jsonSchemaToTs(schema), JSON.stringify(schema)).not.toThrow() + } + expect(jsonSchemaToTs({ type: 'integer' })).toBe('unknown') + expect(jsonSchemaToTs({ oneOf: [] })).toBe('unknown') + expect(jsonSchemaToTs({ type: 'object', properties: 7 })).toBe('Record<string, unknown>') + expect(jsonSchemaToTs({ type: 'object', properties: { bad: { $ref: 'x' } }, required: ['bad'] })).toContain('bad: unknown;') + // A non-string-only enum degrades to plain string; an empty one too. + expect(jsonSchemaToTs({ type: 'string', enum: [1, 2] })).toBe('string') + expect(jsonSchemaToTs({ type: 'string', enum: [] })).toBe('string') + // A hostile required list only accepts string members. + expect(jsonSchemaToTs({ type: 'object', properties: { a: { type: 'string' } }, required: [7] })).toContain('a?: string;') + // A property VALUE that is not an object degrades to unknown (and can + // carry no description). + expect(jsonSchemaToTs({ type: 'object', properties: { weird: 42 } })).toContain('weird?: unknown;') + }) + + it('escapes a comment-closer inside a description so the generated JSDoc cannot end early', () => { + const rendered = jsonSchemaToTs({ + type: 'object', + properties: { glob: { type: 'string', description: 'a pattern like packages/*/tool-*/ over here' } }, + }) + expect(rendered).not.toContain('tool-*/ over') + expect(rendered).toContain(String.raw`tool-*\/ over`) + }) +}) + +describe('renderToolsSdk', () => { + const bash: ToolSchema = { + name: 'bash', + description: 'Run a shell command.', + parameters: schemaSpecToJsonSchema({ command: { type: 'string', required: true } }) as unknown as Record<string, unknown>, + } + const exotic: ToolSchema = { + name: 'my-mcp.tool', + description: 'Exotic name.', + parameters: schemaSpecToJsonSchema({}) as unknown as Record<string, unknown>, + } + + it('declares every tool in lexicographic order with quoted keys for exotic names', () => { + const text = renderToolsSdk([exotic, bash]) + expect(text).toContain('declare const tools: {') + expect(text.indexOf('bash(args:')).toBeGreaterThan(0) + expect(text).toContain('"my-mcp.tool"(args:') + expect(text.indexOf('bash(args:')).toBeLessThan(text.indexOf('"my-mcp.tool"(args:')) + expect(text).toContain('): Promise<string>;') + expect(text).toContain('/** Run a shell command. */') + // The fixed instruction lines the model relies on. + expect(text).toContain('erasable syntax only') + expect(text).toContain('rejects with an `Error`') + expect(text).toContain('sequentially, even under `Promise.all`') + expect(text).toContain('JSON-serializable') + }) + + it('is deterministic: same tool set, byte-identical text regardless of input order', () => { + expect(renderToolsSdk([bash, exotic])).toBe(renderToolsSdk([exotic, bash])) + // Equal names sort stably (the comparator's equal arm). + expect(renderToolsSdk([bash, bash])).toBe(renderToolsSdk([bash, bash])) + }) + + it('renders an empty declaration for an empty tool set', () => { + expect(renderToolsSdk([])).toContain('declare const tools: {}') + }) +}) diff --git a/packages/core/tools/tsconfig.json b/packages/core/tools/tsconfig.json index dedc111d87..95835b38e9 100644 --- a/packages/core/tools/tsconfig.json +++ b/packages/core/tools/tsconfig.json @@ -8,6 +8,12 @@ "src" ], "references": [ + { + "path": "../../core/session" + }, + { + "path": "../../code-runtime/code-runtime" + }, { "path": "../../../vendor/cosmokit" }, @@ -22,6 +28,9 @@ }, { "path": "../../core/agent" + }, + { + "path": "../../ui/user-approval" } ] } diff --git a/packages/fs/README.md b/packages/fs/README.md index 985a9f3ad6..ec3bb62afb 100644 --- a/packages/fs/README.md +++ b/packages/fs/README.md @@ -10,3 +10,7 @@ The filesystem stack: a provider seam (text IO + atomic mutation with an optiona | `tool-fs/` | Model-facing `read`/`write`/`edit` tools AND the executor (reads via `ctx.fs`, owns read windowing, dispatches `fs/*`) | (registers on `ctx.tools`) | The interface lives at `fs/fs/`. A sandboxed, remote, or project-scoped filesystem backend can replace `fs-local` without touching the seam, the policy gate, or the model-facing tool schemas. The policy (`fs-policy/`) is a plugin that participates only through the `fs/*` event gate, not a service the tool injects — so dropping it gracefully loses the policy and leaves the unconstrained bare provider rather than breaking the tool. A deployment that loads `tool-fs/` is expected to also load it. + +## No timeouts on file IO + +`read`/`write`/`edit` take **no** `timeoutMs`, and the provider seam arms no deadline — unlike bash and web, which consume [`@deepseek-ai/dsh-timeout`](../util/timeout/README.md). A local syscall is best-effort-abortable at most: a timeout could not force an in-progress `fsync`/`rename` to stop, so a deadline here would be a knob that cannot deliver on its promise. Adding one would also be an implicit default in the exact place explicit-over-implicit forbids. Both reference agents (Claude Code, Codex) leave file IO untimed for the same reason; cancellation still propagates through the tool-execution signal for best-effort abort at syscall boundaries. diff --git a/packages/fs/fs-local/README.md b/packages/fs/fs-local/README.md index d7bce1d3a7..26524fad24 100644 --- a/packages/fs/fs-local/README.md +++ b/packages/fs/fs-local/README.md @@ -21,6 +21,6 @@ await ctx.plugin(LocalFileSystem, { cwd: process.cwd() }) ## `cwd` is not a sandbox -`config.cwd` is a resolution default, not a containment boundary — absolute paths and `..` escape it. Enforce containment with a stricter `ctx.fs` backend or a permission plugin on the `tools/execute` waterfall. See [the filesystem capability-seam RFC's Risks section](../../../docs/rfc/implemented/architecture/2026-06-17-filesystem-capability-seam.md#risks). +`config.cwd` is a resolution default, not a containment boundary — absolute paths and `..` escape it. Enforce containment with a stricter `ctx.fs` backend or a permission plugin on the `tools/execute` waterfall. See [the filesystem capability-seam RFC's Consequences section](../../../docs/rfc/implemented/architecture/2026-06-17-filesystem-capability-seam.md#consequences). The raw I/O lives in `src/fsio.ts` (Cordis-free, independently unit-tested); `src/index.ts` is the thin service wiring. diff --git a/packages/fs/fs-local/src/fsio.ts b/packages/fs/fs-local/src/fsio.ts index 980cb4764d..f9af5375d2 100644 --- a/packages/fs/fs-local/src/fsio.ts +++ b/packages/fs/fs-local/src/fsio.ts @@ -26,9 +26,6 @@ import { basename, dirname, join, resolve } from 'node:path' import { TextDecoder } from 'node:util' import { FsError, FsTargetKey, FsVersion } from '@deepseek-ai/dsh-fs' -/** Files at or above this size stream their text; smaller files read whole. */ -export const STREAM_MIN_SIZE = 10 * 1024 * 1024 - const BINARY_SAMPLE_BYTES = 8192 function isENOENT(error: unknown): boolean { @@ -85,13 +82,11 @@ function versionOf(info: Stats): FsVersion { } /** - * Test seam: lets specs force the streaming read path (via a small - * `streamMinSize`) and pin the temp-file name (to prove exclusive-open - * behavior) without a 10 MB fixture or a name race. + * Test seam: lets specs pin the atomic-write temp names (to prove + * exclusive-open behavior without a name race) and observe the staged temp + * file before it is renamed over the target. */ export interface FsIoInternals { - /** Override {@link STREAM_MIN_SIZE} for read routing. */ - streamMinSize?: number /** Override the generated private staging-dir name (relative to the target dir). */ tempDirName?: (writePath: string) => string /** Override the generated temp-file name (relative to the private staging dir). */ @@ -134,6 +129,9 @@ export interface LocalDirEntry { * and intermediate directories are created by the write. Two input paths * reaching the same file via symlinks share one key. Falls back to the absolute * path only when no ancestor (not even the filesystem root) can be resolved. + * @param cwd - base directory a relative `path` resolves against. + * @param path - absolute or relative path; empty/whitespace-only throws `FS_NOT_FOUND`. + * @returns the absolute display path plus the realpath-derived stable target key. */ export async function resolveLocalTarget(cwd: string, path: string): Promise<LocalTarget> { if (path.trim().length === 0) throw new FsError('file_path must be a non-empty string', 'FS_NOT_FOUND') @@ -170,7 +168,11 @@ export async function resolveLocalTarget(cwd: string, path: string): Promise<Loc } } -/** Probe a path for its version, mode, type, and size. Null if absent. */ +/** + * Probe a path for its version, mode, type, and size. Null if absent. + * @param absolutePath - the path to stat (typically a target key; symlinks are followed). + * @returns the metadata, or null when the path — or a parent segment — does not exist. + */ export async function probe(absolutePath: string): Promise<PathInfo | null> { try { const info = await stat(absolutePath) @@ -205,6 +207,9 @@ async function resolveListedChildTarget(parent: LocalTarget, name: string): Prom * List direct children of a directory in stable name order. Each child includes * a resolved target plus stat metadata when still available; file contents are * never read. + * @param target - the resolved directory to list; a missing or non-directory target throws. + * @param signal - aborts the listing, checked between children (`FS_ABORTED`). + * @returns one entry per direct child, sorted by name. */ export async function listDirectory(target: LocalTarget, signal?: AbortSignal): Promise<LocalDirEntry[]> { throwIfAborted(signal, 'list') @@ -295,6 +300,9 @@ async function statRegularFile(target: LocalTarget, verb: 'read', signal?: Abort /** * Read a whole regular UTF-8 text file into a single decoded string. Rejects * non-regular files, invalid UTF-8, and NUL-byte binary samples. + * @param target - the resolved file to read. + * @param signal - aborts the read (`FS_ABORTED`). + * @returns the full decoded text, byte-for-byte (no normalization). */ export async function readWholeText(target: LocalTarget, signal?: AbortSignal): Promise<string> { await statRegularFile(target, 'read', signal) @@ -310,6 +318,9 @@ export async function readWholeText(target: LocalTarget, signal?: AbortSignal): * Stream a whole regular UTF-8 text file as decoded text chunks. Same text * semantics as {@link readWholeText} (regular-file check, binary/NUL rejection, * cross-chunk UTF-8 decoding), but never holds the whole file in memory. + * @param target - the resolved file to stream. + * @param signal - aborts the stream, including between chunks (`FS_ABORTED`). + * @returns decoded text chunks in file order; chunk boundaries carry no meaning. */ export async function* streamWholeText(target: LocalTarget, signal?: AbortSignal): AsyncIterable<string> { await statRegularFile(target, 'read', signal) @@ -357,6 +368,11 @@ async function removeStagingDirOrThrow(stagingDir: string, originalError: unknow * (`0o700`) staging directory, fsync, optionally chmod to the final mode while * still private, then rename over the target. `mode` (when given) preserves an * existing file's permissions across the replace. + * @param absolutePath - the final destination (typically a target key); missing parent dirs are created. + * @param content - the full UTF-8 text to write. + * @param mode - final file mode applied before the rename (an existing file's, to preserve permissions); undefined leaves `0o600`. + * @param signal - aborts the write (`FS_ABORTED`); checked before the rename, so the target is never left torn. + * @param internals - test seam for pinning temp names and observing the staged file. */ export async function writeFileAtomic( absolutePath: string, @@ -414,6 +430,12 @@ export async function writeFileAtomic( /** Line ending style detected before LF normalization. */ export type LineEndings = 'LF' | 'CRLF' +/** + * Collapse CRLF to LF — the canonical in-memory form every edit/diff basis + * uses. Lone `\r` bytes (not followed by `\n`) are left untouched. + * @param content - decoded text in whatever line-ending style the file had. + * @returns the text with every `\r\n` pair replaced by `\n`. + */ function normalizeLineEndings(content: string): string { return content.replaceAll('\r\n', '\n') } @@ -425,6 +447,14 @@ function detectLineEndings(raw: string): LineEndings { return crlfCount > lfCount ? 'CRLF' : 'LF' } +/** + * Convert LF-normalized content back to the line-ending style detected at read + * time, for write-back. `LF` returns the content unchanged; `CRLF` re-normalizes + * first so an already-CRLF sequence is never doubled to `\r\r\n`. + * @param content - the LF-normalized (edited) text. + * @param lineEndings - the original file's style, as detected by {@link readForEdit}. + * @returns the text in the original file's line-ending style. + */ function restoreLineEndings(content: string, lineEndings: LineEndings): string { return lineEndings === 'LF' ? content : normalizeLineEndings(content).split('\n').join('\r\n') } @@ -443,6 +473,10 @@ function countOccurrences(content: string, needle: string): number { /** * Read and decode a file for editing: rejects binaries, returns LF-normalized * content plus the original line-ending style for write-back. + * @param absolutePath - the file to read (typically a target key). + * @param displayPath - the caller-facing path used in error messages. + * @param signal - aborts the read (`FS_ABORTED`). + * @returns the LF-normalized content and the detected style to restore on write-back. */ export async function readForEdit( absolutePath: string, @@ -464,6 +498,9 @@ export async function readForEdit( * prior bytes, so an undiffable prior file simply yields no contextual-hunk basis * (the caller treats `null` the same as an absent file: the result renders a * whole-file diff rather than an applied hunk). + * @param absolutePath - the file to read (typically a target key); it must exist. + * @param signal - aborts the read (`FS_ABORTED`). + * @returns the LF-normalized text, or null for a binary or non-UTF-8 file. */ export async function readTextForDiff(absolutePath: string, signal?: AbortSignal): Promise<string | null> { const buffer = await readFileAbortable(absolutePath, 'read', signal) @@ -482,6 +519,12 @@ export async function readTextForDiff(absolutePath: string, signal?: AbortSignal * `FS_EDIT_NOT_FOUND` on empty `oldString` or zero matches and * `FS_AMBIGUOUS_EDIT` on multiple matches when `replaceAll` is false. Returns * the edited content (still LF-normalized) and the replacement count. + * @param content - the current file content, already LF-normalized. + * @param oldString - literal text to find; CRLF inside it is normalized to LF before matching. + * @param newString - literal replacement text, normalized the same way. + * @param replaceAll - replace every match instead of requiring exactly one. + * @param displayPath - the caller-facing path used in error messages. + * @returns the edited LF-normalized content plus how many occurrences were replaced. */ export function applyLiteralEdit( content: string, diff --git a/packages/fs/fs-local/src/index.ts b/packages/fs/fs-local/src/index.ts index af74847ed1..1a3ebc57f6 100644 --- a/packages/fs/fs-local/src/index.ts +++ b/packages/fs/fs-local/src/index.ts @@ -41,7 +41,6 @@ import { import type { FsIoInternals } from './fsio.ts' export { - STREAM_MIN_SIZE, applyLiteralEdit, listDirectory, probe, @@ -74,6 +73,7 @@ export class LocalFileSystem extends FileSystem { cwd: z.string().default(process.cwd()), }) + /** Validated config (schemastery applied the defaults before construction). */ readonly config: ResolvedConfig /** Test seam forwarded to fsio (force streaming path, pin temp names). */ internals: FsIoInternals = {} @@ -105,7 +105,7 @@ export class LocalFileSystem extends FileSystem { override async resolve(path: string, opts?: { cwd?: string }): Promise<FsTarget> { const local = await resolveLocalTarget(opts?.cwd ?? this.config.cwd, path) - return { inputPath: path, targetKey: local.targetKey, displayPath: local.displayPath } + return { targetKey: local.targetKey, displayPath: local.displayPath } } override async stat(target: FsTarget, signal?: AbortSignal): Promise<FsInfo | undefined> { @@ -128,7 +128,7 @@ export class LocalFileSystem extends FileSystem { return entries.map(entry => ({ name: entry.name, type: entry.type, - target: { inputPath: entry.name, targetKey: entry.target.targetKey, displayPath: entry.target.displayPath }, + target: { targetKey: entry.target.targetKey, displayPath: entry.target.displayPath }, ...(entry.version !== undefined ? { version: entry.version } : {}), ...(entry.size !== undefined ? { size: entry.size } : {}), })) @@ -211,8 +211,6 @@ export class LocalFileSystem extends FileSystem { const after = await probe(target.targetKey) return { - replacements: edited.replacements, - replaceAll: edit.replaceAll, version: this.versionAfterWrite(after, target), // The LF-normalized before/after text (the applied-hunk diff basis); // line-ending restoration is a storage detail the diff ignores. diff --git a/packages/fs/fs-local/tests/filesystem.spec.ts b/packages/fs/fs-local/tests/filesystem.spec.ts index 212074ddae..997021d346 100644 --- a/packages/fs/fs-local/tests/filesystem.spec.ts +++ b/packages/fs/fs-local/tests/filesystem.spec.ts @@ -138,12 +138,6 @@ describe('listDir', () => { join(dir, 'skills', 'dir-skill'), join(dir, 'skills', 'zeta.md'), ]) - expect(entries.map(entry => entry.target.inputPath)).toEqual([ - 'alpha.md', - 'broken-link', - 'dir-skill', - 'zeta.md', - ]) const materializedEntries = entries.filter(entry => entry.version !== undefined) expect(materializedEntries.map(entry => entry.target.targetKey)) .toEqual(await Promise.all(materializedEntries.map(entry => realpath(entry.target.displayPath)))) @@ -335,7 +329,7 @@ describe('editText', () => { await writeFile(join(dir, 'a.txt'), 'hello world') const target = await fs.resolve('a.txt') const outcome = await fs.editText(target, { oldString: 'world', newString: 'there', replaceAll: false }, { version: await versionOf(target) }) - expect(outcome.replacements).toBe(1) + expect(outcome.after).toBe('hello there') expect(await readFile(join(dir, 'a.txt'), 'utf8')).toBe('hello there') }) @@ -365,7 +359,7 @@ describe('editText', () => { const target = await fs.resolve('a.txt') // No version guard: any current content is edited, regardless of version. const outcome = await fs.editText(target, { oldString: 'world', newString: 'there', replaceAll: false }) - expect(outcome.replacements).toBe(1) + expect(outcome.after).toBe('hello there') expect(await readFile(join(dir, 'a.txt'), 'utf8')).toBe('hello there') }) @@ -411,7 +405,7 @@ describe('editText', () => { await writeFile(join(dir, 'a.txt'), 'a a a') const target = await fs.resolve('a.txt') const outcome = await fs.editText(target, { oldString: 'a', newString: 'b', replaceAll: true }, { version: await versionOf(target) }) - expect(outcome.replacements).toBe(3) + expect(outcome.after).toBe('b b b') expect(await readFile(join(dir, 'a.txt'), 'utf8')).toBe('b b b') }) @@ -457,7 +451,7 @@ describe('editText', () => { // The version the first edit returned is a valid guard for a second edit — // no intervening re-stat needed. const second = await fs.editText(target, { oldString: 'two', newString: 'TWO', replaceAll: false }, { version: first.version }) - expect(second.replacements).toBe(1) + expect(second.after).toBe('ONE TWO') expect(await readFile(join(dir, 'a.txt'), 'utf8')).toBe('ONE TWO') }) diff --git a/packages/fs/fs-policy/tests/policy.spec.ts b/packages/fs/fs-policy/tests/policy.spec.ts index 2ea61ffcd1..c41cf45701 100644 --- a/packages/fs/fs-policy/tests/policy.spec.ts +++ b/packages/fs/fs-policy/tests/policy.spec.ts @@ -18,7 +18,7 @@ import * as FsPolicy from '@deepseek-ai/dsh-fs-policy' import type { FsPolicyExec } from '@deepseek-ai/dsh-fs-policy' function target(path: string): FsTarget { - return { inputPath: path, targetKey: FsTargetKey(path), displayPath: path } + return { targetKey: FsTargetKey(path), displayPath: path } } const ownerExec = (session: object): FsPolicyExec => ({ agent: { session } }) diff --git a/packages/fs/fs/README.md b/packages/fs/fs/README.md index 4bd152cab9..ac2866802b 100644 --- a/packages/fs/fs/README.md +++ b/packages/fs/fs/README.md @@ -19,7 +19,7 @@ A backend subclasses `FileSystem` and implements seven primitives. | Member | Semantics | |---|---| -| `resolve(path, opts?)` | Resolve a path into a stable `FsTarget` (`inputPath`, opaque `targetKey`, `displayPath`). `opts.cwd` is the base a relative `path` resolves against (a caller supplies its session workspace; absolute paths ignore it; omitted ⇒ the backend default). Async — a remote backend may need I/O. The same file via different paths must yield the same `targetKey`. | +| `resolve(path, opts?)` | Resolve a path into a stable `FsTarget` (opaque `targetKey`, `displayPath`). `opts.cwd` is the base a relative `path` resolves against (a caller supplies its session workspace; absolute paths ignore it; omitted ⇒ the backend default). Async — a remote backend may need I/O. The same file via different paths must yield the same `targetKey`. | | `stat(target, signal?)` | Return `FsInfo` metadata (`version`, `type`, optional `size`), or `undefined` when the target is absent. Never content. | | `readText(target, signal?)` | Read the whole regular text file as one decoded string. Owns regular-file checks, UTF-8 decoding, binary/NUL rejection (`FS_NOT_TEXT`). | | `streamText(target, signal?)` | Stream the same text as decoded chunks for large files (cross-chunk UTF-8 decoding stays here). | @@ -31,7 +31,7 @@ The mutation runs inside the backend's per-target lock either way, so an uncondi ## The `fs/*` policy events -This package declares three events (see the generated [catalog](../../../docs/cordis-catalog/events-and-services.md)) so the emitter (`@deepseek-ai/dsh-tool-fs`) and the policy listener (`@deepseek-ai/dsh-fs-policy`) share a vocabulary without the emitter depending on the policy plugin. `fs/write-intent` and `fs/edit-intent` are single-slot decision waterfalls (the listener fully decides, never calling `next()`); `fs/observed` is a fire-and-forget recording event. They carry only `dsh-fs` vocabulary plus an opaque `object` actor — no model-facing concepts and no agent/session owner structure. +This package declares three events (see the generated [events catalog](../../../docs/cordis-catalog/events.md)) so the emitter (`@deepseek-ai/dsh-tool-fs`) and the policy listener (`@deepseek-ai/dsh-fs-policy`) share a vocabulary without the emitter depending on the policy plugin. `fs/write-intent` and `fs/edit-intent` are single-slot decision waterfalls (the listener fully decides, never calling `next()`); `fs/observed` is a fire-and-forget recording event. They carry only `dsh-fs` vocabulary plus an opaque `object` actor — no model-facing concepts and no agent/session owner structure. ## A provider seam, not the policy layer diff --git a/packages/fs/fs/src/types.ts b/packages/fs/fs/src/types.ts index ed946389d2..f6f5b8005f 100644 --- a/packages/fs/fs/src/types.ts +++ b/packages/fs/fs/src/types.ts @@ -29,7 +29,12 @@ import type { Branded } from '@deepseek-ai/dsh-brand' */ export type FsTargetKey = Branded<'FsTargetKey'> -/** Brand a string as an {@link FsTargetKey}. */ +/** + * Brand a string as an {@link FsTargetKey}. For backend use only — a consumer + * never manufactures a key, it receives one from `resolve()`. + * @param key - the backend's raw key string (the local backend passes a realpath). + * @returns the same string, branded; no validation is performed. + */ export function FsTargetKey(key: string): FsTargetKey { return key as FsTargetKey } @@ -42,7 +47,12 @@ export function FsTargetKey(key: string): FsTargetKey { */ export type FsVersion = Branded<'FsVersion'> -/** Brand a string as an {@link FsVersion}. */ +/** + * Brand a string as an {@link FsVersion}. For backend use only — a consumer + * never manufactures a version, it receives one from `stat`/write/edit outcomes. + * @param v - the backend's raw version string (the local backend derives it from mtime+size). + * @returns the same string, branded; no validation is performed. + */ export function FsVersion(v: string): FsVersion { return v as FsVersion } @@ -52,8 +62,6 @@ export function FsVersion(v: string): FsVersion { * this; every other operation takes it. */ export interface FsTarget { - /** The original model/plugin-supplied path, for diagnostics only. */ - inputPath: string /** Opaque key for stale guards and target lookup. */ targetKey: FsTargetKey /** @@ -142,10 +150,6 @@ export interface FsEditRequest { /** Outcome of a literal edit. */ export interface FsEditOutcome { - /** Number of literal replacements applied. */ - replacements: number - /** Whether every match was replaced. */ - replaceAll: boolean /** Opaque version of the file after the edit. */ version: FsVersion /** diff --git a/packages/fs/fs/tests/service.spec.ts b/packages/fs/fs/tests/service.spec.ts index d4edd9260f..86ba782c96 100644 --- a/packages/fs/fs/tests/service.spec.ts +++ b/packages/fs/fs/tests/service.spec.ts @@ -23,7 +23,7 @@ class FakeFileSystem extends FileSystem { files = new Map<string, string>() override async resolve(path: string): Promise<FsTarget> { - return { inputPath: path, targetKey: FsTargetKey(path), displayPath: path } + return { targetKey: FsTargetKey(path), displayPath: path } } override async stat(target: FsTarget): Promise<FsInfo | undefined> { const content = this.files.get(target.targetKey) @@ -45,7 +45,7 @@ class FakeFileSystem extends FileSystem { { name: 'alpha.md', type: 'file', - target: { inputPath: 'skills/alpha.md', targetKey: FsTargetKey('skills/alpha.md'), displayPath: 'skills/alpha.md' }, + target: { targetKey: FsTargetKey('skills/alpha.md'), displayPath: 'skills/alpha.md' }, size: 2, version: FsVersion('v1'), }, @@ -60,7 +60,7 @@ class FakeFileSystem extends FileSystem { const content = this.files.get(target.targetKey) ?? '' const after = content.split(edit.oldString).join(edit.newString) this.files.set(target.targetKey, after) - return { replacements: 1, replaceAll: edit.replaceAll, version: FsVersion('v3'), before: content, after } + return { version: FsVersion('v3'), before: content, after } } } @@ -108,7 +108,7 @@ describe('FileSystem provider seam', () => { expect(entries).toEqual([{ name: 'alpha.md', type: 'file', - target: { inputPath: 'skills/alpha.md', targetKey: 'skills/alpha.md', displayPath: 'skills/alpha.md' }, + target: { targetKey: 'skills/alpha.md', displayPath: 'skills/alpha.md' }, size: 2, version: 'v1', }]) diff --git a/packages/fs/tool-fs/README.md b/packages/fs/tool-fs/README.md index dacef45590..fedd1ff7a2 100644 --- a/packages/fs/tool-fs/README.md +++ b/packages/fs/tool-fs/README.md @@ -11,11 +11,22 @@ await ctx.plugin(ToolFs) // this package — re `@deepseek-ai/dsh-fs-policy` is **optional**: omit it and the tools run against the bare provider (unconditional write/overwrite/edit, no observed-state). A deployment that loads these tools is expected to also load it, so the behavior is read-before-write/edit. +## Config + +All keys are optional; the defaults are the shipped read caps. + +| Key | Default | Meaning | +|---|---|---| +| `readLimit` | `2000` | Default and maximum lines returned by one `read` call (the tool schema advertises it as the `limit` default). | +| `readMaxLineLength` | `2000` | Characters kept per line before truncation (the suffix names the cap). | +| `readMaxBytes` | `51200` | Byte cap on one `read` call's selected lines; overflow ends the window with a "capped" footer. | +| `readStreamMinSize` | `10485760` | Files at or above this size (or with unknown size) stream instead of loading whole into memory. | + ## Tools (schemas per [the filesystem tool schemas RFC](../../../docs/rfc/implemented/feature/2026-06-17-filesystem-tool-schemas.md)) | Tool | Arguments | Behavior | |---|---|---| -| `read` | `file_path`, `offset?`, `limit?` | Line-numbered UTF-8 content with a pagination footer. `offset` is 1-based; `limit` defaults to and caps at 2000 lines. | +| `read` | `file_path`, `offset?`, `limit?` | Line-numbered UTF-8 content with a pagination footer. `offset` is 1-based; `limit` defaults to and caps at the configured `readLimit` (2000). | | `write` | `file_path`, `content` | Create or fully replace a file. With the policy plugin: overwriting an existing file requires a prior `read` at the unchanged version; creating a new file does not. Without it: unconditional. | | `edit` | `file_path`, non-empty `old_string`, `new_string`, `replace_all?` | Literal replacement; unique match required unless `replace_all` is true. With the policy plugin: requires a prior `read` (any window) and the file unchanged since. Without it: unconditional. | diff --git a/packages/fs/tool-fs/package.json b/packages/fs/tool-fs/package.json index a7f71ce6fa..7e7b78aa38 100644 --- a/packages/fs/tool-fs/package.json +++ b/packages/fs/tool-fs/package.json @@ -22,7 +22,8 @@ ], "license": "BSD-3-Clause", "dependencies": { - "diff": "^9.0.0" + "diff": "^9.0.0", + "schemastery": "^3.18.0" }, "peerDependencies": { "@deepseek-ai/dsh-fs": "^0.0.1", diff --git a/packages/fs/tool-fs/src/diff.ts b/packages/fs/tool-fs/src/diff.ts index a45082489a..da8b7a872e 100644 --- a/packages/fs/tool-fs/src/diff.ts +++ b/packages/fs/tool-fs/src/diff.ts @@ -40,6 +40,10 @@ export type FsDiffMeta = { diffs: FileDiff[] } * (a pure insertion) reports `oldText: null` (nothing to diff against), mirroring * the call-time card's new-file convention. The unified-diff "\ No newline at end * of file" markers are dropped — they annotate the patch, not file content. + * @param path - the path stamped on every produced diff (the model-facing `file_path`; the bridge relativizes it). + * @param before - the file text before the change (the backend's LF-normalized diff basis). + * @param after - the file text after the change, on the same basis. + * @returns one diff per applied hunk, in file order; empty when the texts are identical. */ export function computeHunkDiffs(path: string, before: string, after: string): FileDiff[] { const patch = structuredPatch('', '', before, after, undefined, undefined, { context: DIFF_CONTEXT }) @@ -83,6 +87,8 @@ function isFileDiff(value: unknown): value is FileDiff { * it validates defensively rather than trusting the payload — a bad `meta` yields * `undefined`, and the caller decides the fallback (edit → the generic result * rendering; write → an args-derived whole-file diff), never a thrown presenter. + * @param meta - the opaque `tool/result` meta payload (live or replayed from the session log). + * @returns the validated non-empty hunk list, or undefined for an absent/empty/malformed payload. */ export function diffsFromMeta(meta: unknown): FileDiff[] | undefined { if (typeof meta !== 'object' || meta === null || Array.isArray(meta)) return undefined diff --git a/packages/fs/tool-fs/src/edit.ts b/packages/fs/tool-fs/src/edit.ts index 1a39cb63dd..220c850d69 100644 --- a/packages/fs/tool-fs/src/edit.ts +++ b/packages/fs/tool-fs/src/edit.ts @@ -16,7 +16,6 @@ import type { Context } from 'cordis' import { defineTool } from '@deepseek-ai/dsh-tools' import type { DiffCallView, DiffResultView, ToolResult } from '@deepseek-ai/dsh-tools' import type { ContentBlock } from '@deepseek-ai/dsh-llm' -import type { FsEditOutcome } from '@deepseek-ai/dsh-fs' import type {} from '@deepseek-ai/dsh-fs' import type {} from '@deepseek-ai/dsh-system-prompt' import { computeHunkDiffs, diffsFromMeta, type FsDiffMeta } from './diff.ts' @@ -30,7 +29,13 @@ interface EditInput { replaceAll: boolean } -/** Validate value constraints the schema DSL can't express. */ +/** + * Validate value constraints the schema DSL can't express: a non-blank + * `file_path`, a non-empty `old_string`, and `old_string !== new_string` + * (an equal pair would be a guaranteed no-op edit). + * @param args - the schema-validated raw tool arguments. + * @returns the camelCased input with `replace_all` defaulted to false. + */ export function parseEditArgs(args: { file_path: string; old_string: string; new_string: string; replace_all?: boolean }): EditInput { if (args.file_path.trim().length === 0) throw new Error('file_path must be a non-empty string') if (args.old_string.length === 0) throw new Error('old_string must be a non-empty string') @@ -43,14 +48,22 @@ export function parseEditArgs(args: { file_path: string; old_string: string; new } } -/** Format an edit outcome as a Claude-style model-facing success message. */ -export function formatEditOutput(displayPath: string, outcome: FsEditOutcome): string { - return outcome.replaceAll +/** + * Format an edit success (single-match or replace-all) as a Claude-style model-facing message. + * @param displayPath - the backend-resolved path shown to the model. + * @param replaceAll - selects the all-occurrences wording over the single-replacement one. + * @returns the confirmation sentence the model sees as the tool result. + */ +export function formatEditOutput(displayPath: string, replaceAll: boolean): string { + return replaceAll ? `The file ${displayPath} has been updated. All occurrences were successfully replaced.` : `The file ${displayPath} has been updated successfully.` } -/** Register the `edit` tool and its system-prompt guidance. */ +/** + * Register the `edit` tool and its system-prompt guidance. + * @param ctx - the plugin context; registrations are effects scoped to it, and execution uses its `fs` service. + */ export function applyEditTool(ctx: Context): void { ctx.systemPrompt.section({ name: 'tool:edit', @@ -91,7 +104,7 @@ export function applyEditTool(ctx: Context): void { // relativizes it). const diffs = computeHunkDiffs(input.filePath, outcome.before, outcome.after) return { - content: [{ type: 'text', text: formatEditOutput(target.displayPath, outcome) }], + content: [{ type: 'text', text: formatEditOutput(target.displayPath, input.replaceAll) }], meta: { diffs }, } }, diff --git a/packages/fs/tool-fs/src/index.ts b/packages/fs/tool-fs/src/index.ts index 0aaa0c1a7a..f5d0d9ef91 100644 --- a/packages/fs/tool-fs/src/index.ts +++ b/packages/fs/tool-fs/src/index.ts @@ -23,11 +23,14 @@ */ import type { Context } from 'cordis' -import { applyReadTool } from './read.ts' +import z from 'schemastery' +import { applyReadTool, READ_LIMIT, STREAM_MIN_SIZE } from './read.ts' import { applyWriteTool } from './write.ts' import { applyEditTool } from './edit.ts' +import { READ_MAX_BYTES, READ_MAX_LINE_LENGTH } from './read-render.ts' export { READ_LIMIT, STREAM_MIN_SIZE, applyReadTool, parseReadArgs } from './read.ts' +export type { ReadToolCaps } from './read.ts' export { applyWriteTool, formatWriteOutput, parseWriteArgs } from './write.ts' export { applyEditTool, formatEditOutput, parseEditArgs } from './edit.ts' export { READ_MAX_BYTES, READ_MAX_LINE_LENGTH, buildWindow, formatReadOutput } from './read-render.ts' @@ -41,9 +44,49 @@ export const name = 'tool-fs' /** Services required by the filesystem tool suite. */ export const inject = ['tools', 'fs', 'systemPrompt'] +/** Plugin config (all optional — `Config` supplies the defaults). */ +export interface Config { + /** Default and maximum number of lines returned by one `read` call. */ + readLimit?: number + /** Maximum characters returned for a single line before truncation. */ + readMaxLineLength?: number + /** Maximum bytes returned for the selected lines of one `read` call. */ + readMaxBytes?: number + /** Files at or above this size stream instead of loading whole into memory. */ + readStreamMinSize?: number +} + +export const Config: z<Config> = z.object({ + readLimit: z.number().default(READ_LIMIT), + readMaxLineLength: z.number().default(READ_MAX_LINE_LENGTH), + readMaxBytes: z.number().default(READ_MAX_BYTES), + readStreamMinSize: z.number().default(STREAM_MIN_SIZE), +}) + +/** The shape after schemastery applied the defaults. */ +type ResolvedConfig = Required<Config> + +/** Every read cap counts lines/chars/bytes — a positive integer, or windowing arithmetic misbehaves silently. */ +function assertPositiveInteger(name: string, value: number): void { + if (!Number.isInteger(value) || value < 1) { + throw new Error(`tool-fs: ${name} must be a positive integer`) + } +} + /** Register the full `read`/`write`/`edit` filesystem tool suite. */ -export function apply(ctx: Context): void { - applyReadTool(ctx) +export function apply(ctx: Context, config: Config): void { + // schemastery (Config) has already filled every defaulted field. + const resolved = config as ResolvedConfig + assertPositiveInteger('readLimit', resolved.readLimit) + assertPositiveInteger('readMaxLineLength', resolved.readMaxLineLength) + assertPositiveInteger('readMaxBytes', resolved.readMaxBytes) + assertPositiveInteger('readStreamMinSize', resolved.readStreamMinSize) + applyReadTool(ctx, { + limit: resolved.readLimit, + maxLineLength: resolved.readMaxLineLength, + maxBytes: resolved.readMaxBytes, + streamMinSize: resolved.readStreamMinSize, + }) applyWriteTool(ctx) applyEditTool(ctx) } diff --git a/packages/fs/tool-fs/src/read-render.ts b/packages/fs/tool-fs/src/read-render.ts index 97a1384792..8cafc0d400 100644 --- a/packages/fs/tool-fs/src/read-render.ts +++ b/packages/fs/tool-fs/src/read-render.ts @@ -17,23 +17,23 @@ */ import { FsError } from '@deepseek-ai/dsh-fs' -import type { FsVersion } from '@deepseek-ai/dsh-fs' -/** Maximum characters returned for a single line. */ +/** Default maximum characters returned for a single line (the `readMaxLineLength` config). */ export const READ_MAX_LINE_LENGTH = 2000 -/** Maximum bytes returned for selected file lines. */ +/** Default maximum bytes returned for selected file lines (the `readMaxBytes` config). */ export const READ_MAX_BYTES = 50 * 1024 -const READ_MAX_LINE_SUFFIX = `... (line truncated to ${READ_MAX_LINE_LENGTH} chars)` -const LINE_BUFFER_CAP = READ_MAX_LINE_LENGTH + 1 - /** Resolved read window. The consumer applies its defaults/caps before calling. */ export interface ReadWindow { /** 1-based first line to return. */ offset: number /** Maximum number of lines to return. */ limit: number + /** Maximum characters returned for a single line; overflow is truncated with a suffix. */ + maxLineLength: number + /** Maximum bytes of selected output; overflow stops the scan and marks `truncatedByBytes`. */ + maxBytes: number } /** One line returned from a text file. */ @@ -58,16 +58,12 @@ export interface WindowResult { export interface FileReadOutcome { /** 1-based first line requested. */ offset: number - /** Maximum number of lines requested. */ - limit: number /** Returned lines, already numbered. */ lines: FileTextLine[] /** Total line count in the file, unless `truncatedByBytes` stopped scanning early. */ totalLines: number /** Whether selected output hit the byte cap before EOF or the requested limit. */ truncatedByBytes?: true - /** Opaque version of the file at read time. */ - version: FsVersion } interface WindowAccumulator { @@ -82,8 +78,8 @@ function newAccumulator(): WindowAccumulator { return { lines: [], totalLines: 0, outputBytes: 0, truncatedByBytes: false, done: false } } -function truncateLine(line: string): string { - return line.length > READ_MAX_LINE_LENGTH ? `${line.substring(0, READ_MAX_LINE_LENGTH)}${READ_MAX_LINE_SUFFIX}` : line +function truncateLine(line: string, maxLineLength: number): string { + return line.length > maxLineLength ? `${line.substring(0, maxLineLength)}... (line truncated to ${maxLineLength} chars)` : line } function lineByteSize(line: string, currentLineCount: number): number { @@ -94,9 +90,9 @@ function consumeLine(acc: WindowAccumulator, rawLine: string, request: ReadWindo acc.totalLines += 1 if (acc.totalLines < request.offset || acc.lines.length >= request.limit) return - const text = truncateLine(rawLine) + const text = truncateLine(rawLine, request.maxLineLength) const bytes = lineByteSize(text, acc.lines.length) - if (acc.outputBytes + bytes > READ_MAX_BYTES) { + if (acc.outputBytes + bytes > request.maxBytes) { acc.truncatedByBytes = true acc.done = true return @@ -121,8 +117,12 @@ function finish(acc: WindowAccumulator, request: ReadWindow, displayPath: string * Accepts an `AsyncIterable<string>` (a chunked `streamText`) or an * `Iterable<string>` (a whole-file `readText` wrapped as `[text]`), so one code * path serves both. Scans for newlines with a capped line buffer (a newline-free - * giant line is truncated, never buffered past {@link READ_MAX_LINE_LENGTH}), + * giant line is truncated, never buffered past `request.maxLineLength`), * enforces the byte cap, and throws `FS_NOT_FOUND` for an offset past EOF. + * @param chunks - decoded text chunks in file order; chunk boundaries carry no meaning. + * @param request - the resolved window; the caller has already applied its defaults and caps. + * @param displayPath - the caller-facing path used in the offset-out-of-range error. + * @returns the numbered window lines, the total line count seen, and the byte-cap truncation flag. */ export async function buildWindow( chunks: AsyncIterable<string> | Iterable<string>, @@ -130,12 +130,14 @@ export async function buildWindow( displayPath: string, ): Promise<WindowResult> { const acc = newAccumulator() + // One char past the truncation point is enough to prove a line overflows. + const lineBufferCap = request.maxLineLength + 1 let lineBuffer = '' function appendToLineBuffer(segment: string): void { - if (lineBuffer.length >= LINE_BUFFER_CAP) return + if (lineBuffer.length >= lineBufferCap) return lineBuffer += segment - if (lineBuffer.length > LINE_BUFFER_CAP) lineBuffer = lineBuffer.slice(0, LINE_BUFFER_CAP) + if (lineBuffer.length > lineBufferCap) lineBuffer = lineBuffer.slice(0, lineBufferCap) } function flushLine(): void { @@ -158,7 +160,12 @@ export async function buildWindow( return finish(acc, request, displayPath) } -/** Format a read outcome as one OpenCode-style line-numbered text block body. */ +/** + * Format a read outcome as one OpenCode-style line-numbered text block body. + * @param displayPath - the backend-resolved path rendered in the envelope's `<path>` element. + * @param outcome - the windowed read to render. + * @returns the model-facing envelope: numbered lines plus a continuation or end-of-file footer. + */ export function formatReadOutput(displayPath: string, outcome: FileReadOutcome): string { const endLine = outcome.lines.at(-1)?.number ?? Math.max(0, outcome.offset - 1) let footer: string diff --git a/packages/fs/tool-fs/src/read.ts b/packages/fs/tool-fs/src/read.ts index c984b53c9f..039d8742e9 100644 --- a/packages/fs/tool-fs/src/read.ts +++ b/packages/fs/tool-fs/src/read.ts @@ -23,12 +23,27 @@ import { buildWindow, formatReadOutput } from './read-render.ts' import type { FileReadOutcome } from './read-render.ts' import { sessionCwd } from './session-cwd.ts' -/** Default and maximum number of lines returned by one `read` call. */ +/** Default and maximum number of lines returned by one `read` call (the `readLimit` config). */ export const READ_LIMIT = 2000 -/** Files at or above this size stream; smaller files read whole into memory. */ +/** + * Default streaming threshold (the `readStreamMinSize` config): files at or + * above this size stream; smaller files read whole into memory. + */ export const STREAM_MIN_SIZE = 10 * 1024 * 1024 +/** Resolved read-tool caps — plugin config after defaulting (see `Config` in index.ts). */ +export interface ReadToolCaps { + /** Default and maximum number of lines returned by one call. */ + limit: number + /** Maximum characters returned for a single line. */ + maxLineLength: number + /** Maximum bytes returned for selected file lines. */ + maxBytes: number + /** Files at or above this size stream; smaller files read whole into memory. */ + streamMinSize: number +} + /** Validated `read` arguments after defaulting. */ interface ReadInput { filePath: string @@ -43,21 +58,30 @@ function parsePositiveInteger(value: number, name: string): number { return value } -/** Validate value constraints the schema DSL can't express. */ -export function parseReadArgs(args: { file_path: string; offset?: number; limit?: number }): ReadInput { +/** + * Validate value constraints the schema DSL can't express. `maxLimit` is the deployment's line cap. + * @param args - the schema-validated raw tool arguments; `offset`/`limit` must be positive integers when given. + * @param maxLimit - the configured line cap: both the default `limit` and the largest one accepted. + * @returns the validated input with `offset` defaulted to 1 and `limit` to `maxLimit`. + */ +export function parseReadArgs(args: { file_path: string; offset?: number; limit?: number }, maxLimit: number): ReadInput { if (args.file_path.trim().length === 0) throw new Error('file_path must be a non-empty string') const offset = args.offset === undefined ? 1 : parsePositiveInteger(args.offset, 'offset') - const limit = args.limit === undefined ? READ_LIMIT : parsePositiveInteger(args.limit, 'limit') - if (limit > READ_LIMIT) throw new Error(`limit must be less than or equal to ${READ_LIMIT}`) + const limit = args.limit === undefined ? maxLimit : parsePositiveInteger(args.limit, 'limit') + if (limit > maxLimit) throw new Error(`limit must be less than or equal to ${maxLimit}`) return { filePath: args.file_path, offset, limit } } -/** Register the `read` tool and its system-prompt guidance. */ -export function applyReadTool(ctx: Context): void { +/** + * Register the `read` tool and its system-prompt guidance. + * @param ctx - the plugin context; registrations are effects scoped to it, and execution uses its `fs` service. + * @param caps - the deployment's resolved read caps (plugin config after defaulting). + */ +export function applyReadTool(ctx: Context, caps: ReadToolCaps): void { ctx.systemPrompt.section({ name: 'tool:read', order: 100, - text: 'Use the read tool to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.', + text: 'Use the read tool — not shell commands like cat — to inspect text files. Results include line numbers. Use offset and limit to continue reading large files.', }) ctx.tools.register(defineTool({ @@ -66,10 +90,10 @@ export function applyReadTool(ctx: Context): void { parameters: { file_path: { type: 'string', required: true, description: 'Path to read, resolved by the filesystem backend.' }, offset: { type: 'number', description: '1-based first line to return. Defaults to 1.' }, - limit: { type: 'number', description: `Maximum number of lines to return. Defaults to ${READ_LIMIT}.` }, + limit: { type: 'number', description: `Maximum number of lines to return. Defaults to ${caps.limit}.` }, }, async execute(args, exec): Promise<ContentBlock[]> { - const input = parseReadArgs(args) + const input = parseReadArgs(args, caps.limit) const cwd = sessionCwd(exec) const target = await ctx.fs.resolve(input.filePath, cwd !== undefined ? { cwd } : undefined) @@ -83,17 +107,19 @@ export function applyReadTool(ctx: Context): void { // Stream when the file is large OR size is unknown, so a size-less backend // never buffers an arbitrarily large file. - const chunks = info.size === undefined || info.size >= STREAM_MIN_SIZE + const chunks = info.size === undefined || info.size >= caps.streamMinSize ? await ctx.fs.streamText(target, exec.signal) : [await ctx.fs.readText(target, exec.signal)] - const window = await buildWindow(chunks, { offset: input.offset, limit: input.limit }, target.displayPath) + const window = await buildWindow( + chunks, + { offset: input.offset, limit: input.limit, maxLineLength: caps.maxLineLength, maxBytes: caps.maxBytes }, + target.displayPath, + ) const outcome: FileReadOutcome = { offset: input.offset, - limit: input.limit, lines: window.lines, totalLines: window.totalLines, - version: info.version, ...window.truncatedByBytes ? { truncatedByBytes: true } : {}, } // Record the observed version (a no-op when no policy plugin listens). The @@ -106,7 +132,8 @@ export function applyReadTool(ctx: Context): void { // appended (`Read foo.txt (5 - 8)`), `read` kind (icon), and a follow-along // location whose line is the read's offset (defaulting to 1). The window is // derived from the RAW args (offset/limit as the model passed them), NOT the - // tool's defaulted 1/READ_LIMIT, so an unbounded read shows a bare title. + // tool's defaulted 1/configured limit, so an unbounded read shows a bare + // title (and the presenter stays a pure function of args, config-free). presentCall(args): GenericCallView { const { offset, limit } = args const window = limit !== undefined && limit > 0 diff --git a/packages/fs/tool-fs/src/session-cwd.ts b/packages/fs/tool-fs/src/session-cwd.ts index b7774fb201..16ba17e2e5 100644 --- a/packages/fs/tool-fs/src/session-cwd.ts +++ b/packages/fs/tool-fs/src/session-cwd.ts @@ -18,7 +18,11 @@ import type { ToolExecution } from '@deepseek-ai/dsh-tools' -/** The session workspace cwd for this call, or `undefined` when none applies. */ +/** + * The session workspace cwd for this call, or `undefined` when none applies. + * @param exec - the tool-execution context; only its optional `agent` is read. + * @returns the calling agent's session cwd, or undefined for a non-agent caller (the backend then applies its own default). + */ export function sessionCwd(exec: ToolExecution): string | undefined { return exec.agent?.session.header.cwd } diff --git a/packages/fs/tool-fs/src/write.ts b/packages/fs/tool-fs/src/write.ts index 1054e2ff2f..fd4eec45f3 100644 --- a/packages/fs/tool-fs/src/write.ts +++ b/packages/fs/tool-fs/src/write.ts @@ -21,13 +21,23 @@ import type {} from '@deepseek-ai/dsh-system-prompt' import { computeHunkDiffs, diffsFromMeta, type FsDiffMeta } from './diff.ts' import { sessionCwd } from './session-cwd.ts' -/** Validate value constraints the schema DSL can't express. */ +/** + * Validate value constraints the schema DSL can't express: only a non-blank + * `file_path` — an empty `content` is legitimate (it writes an empty file). + * @param args - the schema-validated raw tool arguments. + * @returns the camelCased input; `content` passes through untouched. + */ export function parseWriteArgs(args: { file_path: string; content: string }): { filePath: string; content: string } { if (args.file_path.trim().length === 0) throw new Error('file_path must be a non-empty string') return { filePath: args.file_path, content: args.content } } -/** Format a write outcome as one model-facing text block body. */ +/** + * Format a write outcome as one model-facing text block body. + * @param displayPath - the backend-resolved path rendered in the envelope's `<path>` element. + * @param outcome - the write outcome; its `operation` selects the Created/Updated wording. + * @returns the model-facing confirmation envelope (no file content is echoed back). + */ export function formatWriteOutput(displayPath: string, outcome: FsWriteOutcome): string { const verb = outcome.operation === 'create' ? 'Created' : 'Updated' return `<path>${displayPath}</path> @@ -37,7 +47,10 @@ ${verb} file </content>` } -/** Register the `write` tool and its system-prompt guidance. */ +/** + * Register the `write` tool and its system-prompt guidance. + * @param ctx - the plugin context; registrations are effects scoped to it, and execution uses its `fs` service. + */ export function applyWriteTool(ctx: Context): void { ctx.systemPrompt.section({ name: 'tool:write', diff --git a/packages/fs/tool-fs/tests/fs-tools.e2e.ts b/packages/fs/tool-fs/tests/fs-tools.e2e.ts index 5e13e229fb..da5412530d 100644 --- a/packages/fs/tool-fs/tests/fs-tools.e2e.ts +++ b/packages/fs/tool-fs/tests/fs-tools.e2e.ts @@ -32,10 +32,10 @@ const SYSTEM = 'You are a coding assistant. Use the write tool to create files, describe.skipIf(!process.env.DEEPSEEK_API_KEY)('fs tools with-key smoke', () => { it('creates, reads, then edits a file — verified on disk', async () => { workdir = await mkdtemp(join(tmpdir(), 'dsh-fs-e2e-')) - ctx = await fsHarness(workdir) + ctx = await fsHarness(workdir, SYSTEM) // agentLoop.create prepares a session with no cwd, so the provider default // (config.cwd = workdir) is the workspace. - const agent = ctx.agentLoop.create(AgentId('fs-e2e'), { model: 'deepseek-v4-flash', systemPrompt: SYSTEM }) + const agent = ctx.agentLoop.create(AgentId('fs-e2e'), { model: 'deepseek-v4-flash' }) agent.send([{ type: 'text', text: 'Create a file named note.txt containing exactly the line: status: draft. ' @@ -63,12 +63,12 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('fs tools with-key smoke', () => workdir = configDir const sessionDir = await mkdtemp(join(tmpdir(), 'dsh-fs-e2e-session-')) try { - ctx = await fsHarness(configDir) + ctx = await fsHarness(configDir, SYSTEM) const handle = ctx.agents.create({ agentId: AgentId('fs-e2e-cwd'), sessionId: SessionId(`fs-e2e-cwd-${Date.now()}`), meta: { cwd: sessionDir }, - agentOptions: { model: 'deepseek-v4-flash', systemPrompt: SYSTEM }, + agentOptions: { model: 'deepseek-v4-flash' }, }) handle.agent.send([{ type: 'text', text: 'Use the write tool to create a file named where.txt containing exactly the line: here. Tell me when done.' }]) diff --git a/packages/fs/tool-fs/tests/harness.ts b/packages/fs/tool-fs/tests/harness.ts index 0a492c509e..61c163c28b 100644 --- a/packages/fs/tool-fs/tests/harness.ts +++ b/packages/fs/tool-fs/tests/harness.ts @@ -18,13 +18,14 @@ import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' * * `fsCwd` is the local backend's default base; a per-session cwd (set via a * session header) overrides it, but this harness creates agents without a - * session cwd, so the provider default IS the workspace. + * session cwd, so the provider default IS the workspace. `persona` is the + * deployment persona (the system-prompt plugin's per-context config). */ -export async function fsHarness(fsCwd: string): Promise<Context> { +export async function fsHarness(fsCwd: string, persona = ''): Promise<Context> { const ctx = new Context() await ctx.plugin(LlmService) await ctx.plugin(SessionStore) - await ctx.plugin(SystemPrompt) + await ctx.plugin(SystemPrompt, { persona }) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) await ctx.plugin(AgentLoop, { agents: [] }) diff --git a/packages/fs/tool-fs/tests/read-render.spec.ts b/packages/fs/tool-fs/tests/read-render.spec.ts index b596a47465..c23ad79170 100644 --- a/packages/fs/tool-fs/tests/read-render.spec.ts +++ b/packages/fs/tool-fs/tests/read-render.spec.ts @@ -6,10 +6,11 @@ */ import { describe, expect, it } from 'vitest' -import { buildWindow, READ_MAX_LINE_LENGTH } from '@deepseek-ai/dsh-tool-fs' +import { buildWindow, READ_MAX_BYTES, READ_MAX_LINE_LENGTH } from '@deepseek-ai/dsh-tool-fs' import type { ReadWindow } from '@deepseek-ai/dsh-tool-fs' -const READ_ALL: ReadWindow = { offset: 1, limit: 2000 } +const DEFAULT_CAPS = { maxLineLength: READ_MAX_LINE_LENGTH, maxBytes: READ_MAX_BYTES } +const READ_ALL: ReadWindow = { offset: 1, limit: 2000, ...DEFAULT_CAPS } /** Yield `text` as one chunk (whole-file read shape). */ async function* whole(text: string): AsyncIterable<string> { @@ -34,7 +35,7 @@ describe('buildWindow', () => { }) it('applies offset/limit', async () => { - const result = await buildWindow(whole('one\ntwo\nthree\nfour'), { offset: 2, limit: 2 }, 'f') + const result = await buildWindow(whole('one\ntwo\nthree\nfour'), { offset: 2, limit: 2, ...DEFAULT_CAPS }, 'f') expect(result.lines.map(l => l.number)).toEqual([2, 3]) expect(result.totalLines).toBe(4) }) @@ -62,7 +63,7 @@ describe('buildWindow', () => { }) it('rejects an offset past EOF', async () => { - await expect(buildWindow(whole('one\ntwo'), { offset: 9, limit: 1 }, 'f')).rejects.toMatchObject({ code: 'FS_NOT_FOUND' }) + await expect(buildWindow(whole('one\ntwo'), { offset: 9, limit: 1, ...DEFAULT_CAPS }, 'f')).rejects.toMatchObject({ code: 'FS_NOT_FOUND' }) }) it('flushes a final line with no trailing newline', async () => { @@ -76,9 +77,22 @@ describe('buildWindow', () => { expect(result.totalLines).toBe(2) }) + describe('caps are per-request (the plugin config reaches the window)', () => { + it('truncates lines at a custom maxLineLength and names it in the suffix', async () => { + const result = await buildWindow(whole('abcdefghij'), { offset: 1, limit: 10, maxLineLength: 5, maxBytes: READ_MAX_BYTES }, 'f') + expect(result.lines[0]?.text).toBe('abcde... (line truncated to 5 chars)') + }) + + it('caps output at a custom maxBytes', async () => { + const result = await buildWindow(whole('aaaa\nbbbb\ncccc'), { offset: 1, limit: 10, maxLineLength: 2000, maxBytes: 9 }, 'f') + expect(result.lines.map(l => l.text)).toEqual(['aaaa', 'bbbb']) + expect(result.truncatedByBytes).toBe(true) + }) + }) + describe('chunked input (streamed read shape)', () => { it('windows identically when text arrives in small chunks', async () => { - const result = await buildWindow(chunked('one\ntwo\nthree', 2), { offset: 2, limit: 1 }, 'f') + const result = await buildWindow(chunked('one\ntwo\nthree', 2), { offset: 2, limit: 1, ...DEFAULT_CAPS }, 'f') expect(result.lines).toEqual([{ number: 2, text: 'two' }]) expect(result.totalLines).toBe(3) }) diff --git a/packages/fs/tool-fs/tests/tools.spec.ts b/packages/fs/tool-fs/tests/tools.spec.ts index 6272ac5c9d..53f912cce2 100644 --- a/packages/fs/tool-fs/tests/tools.spec.ts +++ b/packages/fs/tool-fs/tests/tools.spec.ts @@ -40,7 +40,7 @@ class FakeFs extends FileSystem { } override async resolve(path: string): Promise<FsTarget> { - return { inputPath: path, targetKey: FsTargetKey(`key:${path}`), displayPath: `/abs/${path}` } + return { targetKey: FsTargetKey(`key:${path}`), displayPath: `/abs/${path}` } } override async stat(target: FsTarget): Promise<FsInfo | undefined> { this.throwIfArmed() @@ -71,7 +71,7 @@ class FakeFs extends FileSystem { const content = this.files.get(target.targetKey) ?? '' const after = content.split(edit.oldString).join(edit.newString) this.files.set(target.targetKey, after) - return { replacements: 1, replaceAll: edit.replaceAll, version: FsVersion('v3'), before: content, after } + return { version: FsVersion('v3'), before: content, after } } } @@ -133,10 +133,11 @@ describe('registration', () => { // withdraw both, not just the schemas. expect(ctx.tools.schemas()).toHaveLength(3) const sectionNames = (a: { sections: { name: string }[] }) => a.sections.map(s => s.name).sort() - expect(sectionNames(await ctx.systemPrompt.assemble())).toEqual(['tool:edit', 'tool:read', 'tool:write']) + expect(sectionNames(await ctx.systemPrompt.assemble())).toEqual(['deployment:persona', 'harness:identity', 'tool:edit', 'tool:read', 'tool:write']) await fiber.dispose() expect(ctx.tools.schemas()).toHaveLength(0) - expect((await ctx.systemPrompt.assemble()).sections).toHaveLength(0) + // Only the system-prompt plugin's own built-in sections remain. + expect(sectionNames(await ctx.systemPrompt.assemble())).toEqual(['deployment:persona', 'harness:identity']) }) }) @@ -252,7 +253,7 @@ describe('read tool', () => { }) describe('formatReadOutput footer variants', () => { - const base: FileReadOutcome = { offset: 1, limit: 2000, lines: [{ number: 1, text: 'x' }], totalLines: 1, version: FsVersion('v') } + const base: FileReadOutcome = { offset: 1, lines: [{ number: 1, text: 'x' }], totalLines: 1 } it('reports a byte-capped read', () => { const out = formatReadOutput('/f', { ...base, totalLines: 99, truncatedByBytes: true }) @@ -495,3 +496,71 @@ describe('result-time contextual diff (meta + presentResult)', () => { expect(view).toEqual({ card: 'diff', title: 'Write a.txt', diffs: [{ path: 'a.txt', oldText: null, newText: 'y' }] }) }) }) + +describe('read caps are plugin config', () => { + async function setupWith(config: ToolFs.Config) { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(FakeFs) + await ctx.plugin(FsPolicy) + await ctx.plugin(ToolFs, config) + return { ctx, fs: ctx.fs as FakeFs } + } + + it('a configured readLimit is both the default and the cap, and the schema names it', async () => { + const { ctx, fs } = await setupWith({ readLimit: 2 }) + fs.files.set('key:a.txt', 'one\ntwo\nthree\nfour') + const result = await call(ctx, 'read', { file_path: 'a.txt' }) + expect(text(result)).toContain('(Showing lines 1-2 of 4. Use offset=3 to continue.)') + const overCap = await call(ctx, 'read', { file_path: 'a.txt', limit: 3 }) + expect(overCap.isError).toBe(true) + expect(text(overCap)).toContain('less than or equal to 2') + const readSchema = ctx.tools.schemas().find(s => s.name === 'read') + expect(JSON.stringify(readSchema)).toContain('Defaults to 2.') + }) + + it('a configured readMaxLineLength truncates lines at the configured length', async () => { + const { ctx, fs } = await setupWith({ readMaxLineLength: 4 }) + fs.files.set('key:a.txt', 'abcdefgh') + const result = await call(ctx, 'read', { file_path: 'a.txt' }) + expect(text(result)).toContain('1: abcd... (line truncated to 4 chars)') + }) + + it('a configured readMaxBytes caps the window at the configured bytes', async () => { + const { ctx, fs } = await setupWith({ readMaxBytes: 9 }) + fs.files.set('key:a.txt', 'aaaa\nbbbb\ncccc') + const result = await call(ctx, 'read', { file_path: 'a.txt' }) + expect(text(result)).toContain('Output capped.') + expect(text(result)).not.toContain('cccc') + }) + + it('a configured readStreamMinSize routes smaller files to the streaming path', async () => { + const { ctx, fs } = await setupWith({ readStreamMinSize: 5 }) + fs.files.set('key:a.txt', 'alpha\nbeta') + const readSpy = vi.spyOn(fs, 'readText') + const streamSpy = vi.spyOn(fs, 'streamText') + const result = await call(ctx, 'read', { file_path: 'a.txt' }) + expect(result.isError).toBe(false) + expect(streamSpy).toHaveBeenCalled() + expect(readSpy).not.toHaveBeenCalled() + }) + + it.each([ + ['readLimit', { readLimit: 0 }], + ['readLimit', { readLimit: 2.5 }], + ['readMaxLineLength', { readMaxLineLength: -1 }], + ['readMaxBytes', { readMaxBytes: Number.NaN }], + ['readStreamMinSize', { readStreamMinSize: 0 }], + ] as const)('rejects a non-positive or fractional %s at load', async (name, config) => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(FakeFs) + await expect(ctx.plugin(ToolFs, config)).rejects.toThrow(new RegExp(`tool-fs: ${name} must be a positive integer`)) + }) + + it('has no default export (namespace plugin export shape)', () => { + expect('default' in ToolFs).toBe(false) + }) +}) diff --git a/packages/fs/tool-fs/tsconfig.json b/packages/fs/tool-fs/tsconfig.json index 6af16400c0..f0133b1d2b 100644 --- a/packages/fs/tool-fs/tsconfig.json +++ b/packages/fs/tool-fs/tsconfig.json @@ -8,6 +8,7 @@ "references": [ { "path": "../../../vendor/cosmokit" }, { "path": "../../../vendor/cordis" }, + { "path": "../../../vendor/schemastery" }, { "path": "../../llm/llm" }, { "path": "../../core/tools" }, { "path": "../../core/system-prompt" }, diff --git a/packages/guard/README.md b/packages/guard/README.md new file mode 100644 index 0000000000..9198698b20 --- /dev/null +++ b/packages/guard/README.md @@ -0,0 +1,9 @@ +# guard/ — loop-hygiene guard family + +Behavioral guard plugins that watch the agent loop for unproductive patterns and nudge the model back on course. A single **product** package — there is no interface/implementation seam here, because a guard is a self-contained consumer of existing core seams (`tools/post-execute`, `agent/prompt-submit`, `agent/status`), not a swappable capability. + +| Package | Role | ctx key | +|---|---|---| +| `repeat-tool-guard/` | Advisory reminders when an agent loops on identical tool calls | (listens on `ctx.tools`' waterfalls) | + +Reminders travel as `additionalContext` on the `tools/post-execute` decision; the agent loop appends them as logged `context/message` events after the step's tool results (see [the tools package](../core/tools)), so everything a guard says to the model is reconstructable from the session log. diff --git a/packages/guard/repeat-tool-guard/README.md b/packages/guard/repeat-tool-guard/README.md new file mode 100644 index 0000000000..dc385bc033 --- /dev/null +++ b/packages/guard/repeat-tool-guard/README.md @@ -0,0 +1,37 @@ +# @deepseek-ai/dsh-repeat-tool-guard + +An advisory loop-breaker, not a model-facing tool: it never appears in the tool list, never vetoes or rewrites a call, and adds exactly one behavior — it watches each agent's stream of tool calls, counts runs of consecutive calls to the same tool with identical canonicalized arguments, and at configured run lengths injects an escalating advisory reminder telling the model to stop repeating itself, re-read the last result, and either change approach or conclude. The decision (retry differently, gather more evidence, or finish) stays entirely with the model: a legitimately repeated call is delayed by nothing and blocked by nothing. Decision record: [the repeat-tool-guard RFC](../../../docs/rfc/implemented/feature/2026-07-08-repeat-tool-guard.md). + +## Config + +```yaml +- id: repeat-tool-guard + name: '@deepseek-ai/dsh-repeat-tool-guard' + config: + thresholds: [3, 5, 8] # default; consecutive counts that trigger a reminder + include: [] # tool-name patterns to track; empty ⇒ all tools + exclude: [todo_write] # tool-name patterns transparent to the chain + argumentsPreviewChars: 500 # default; cap on arguments quoted in the detailed reminder +``` + +`thresholds` fails loud at plugin load: an empty list, a non-integer, a value below 2, or a duplicate throws, never a silent fall-back to defaults; `argumentsPreviewChars` equally rejects anything but an integer >= 1. The list is normalized to ascending order; the FIRST threshold delivers a short generic nudge, every later threshold delivers the detailed form naming the tool, the run length, and the canonical arguments — head-truncated at `argumentsPreviewChars` with an omitted-count marker, so a looping `write`/`edit` payload cannot ride into the next request unbounded (the chain key always compares the FULL canonical string; the cap bounds the reminder, never the detection). + +`include`/`exclude` entries support `*` wildcards and are predicates over whatever tools exist at call time, not references to registry entries — a pattern matching no currently registered tool is NOT an error (`exclude: [mcp_*]` stays valid in a deployment that loads no MCP tools), unlike `toolOrder`'s referent check. + +## Chain semantics + +The chain key is `(tool name, canonical arguments)` — canonicalization is a deep key-sort plus `JSON.stringify`, so argument objects differing only in property order count as identical. A call identical to the previous tracked call increments the agent's consecutive counter; a different tracked call resets it to 1. + +- **Untracked calls are transparent to the chain.** A call excluded by `include`/`exclude` neither increments nor resets the counter, so `grep X → todo_write → grep X` still counts as two consecutive `grep X` when `todo_write` is excluded. This is what makes exclusion useful: bookkeeping tools interleaved into a loop must not launder it. +- **Denied calls count.** Detection sits on `tools/post-execute`, which also runs for calls a `tools/pre-execute` listener denied — a model hammering a denied call is exactly the loop worth breaking. +- **Calls without an agent are ignored.** A direct `ctx.tools.execute()` caller has no model to remind and no `AgentId` to key on. +- **Per-agent keying.** The tool registry is context-level and subagents interleave through the same waterfall, so chains are keyed by `AgentId`; one agent's repetition never trips another's reminder. A user prompt (`agent/prompt-submit`) resets the submitting agent's chain; agent disposal drops its state. +- **In-memory only.** A session resumed from persistence starts with a fresh chain — the guard is a heuristic nudge, not a logged invariant, later reminders are the accepted cost. + +## Reminder delivery + +Reminders ride the post-execute decision's `additionalContext` (source `{kind: 'plugin', plugin: 'repeat-tool-guard'}`), never a `content` replacement: the `tool/result` event stays the tool's own output for audit. The loop buffers the context and appends it as a `context/message` after the step's tool results, which the session renders as the tagged synthetic-user envelope — so the reminder is model-visible, source-attributed, and reconstructable from the session log with no new session event. The guard always delegates via `next()` and folds its reminder onto the downstream decision (both variants — a blocked call still gets the nudge); when a downstream listener attached its own `additionalContext`, the fold concatenates content and carries the guard's `source` (a `HookContext` holds one `MessageSource`; `source.kind` is what framing depends on). + +## Testing + +Unit suites drive a real agent loop against a mock adapter (no network) and cover the chain semantics above to per-file 100%. The snapshot tier owns the transcript surface: a scripted-replay scenario repeats a call five times and pins both reminder tiers (gentle at 3, detailed at 5) as `context/message`s in the ACP transcript. diff --git a/packages/guard/repeat-tool-guard/package.json b/packages/guard/repeat-tool-guard/package.json new file mode 100644 index 0000000000..9b085bb015 --- /dev/null +++ b/packages/guard/repeat-tool-guard/package.json @@ -0,0 +1,41 @@ +{ + "name": "@deepseek-ai/dsh-repeat-tool-guard", + "description": "Repeat-tool-call guard plugin: advisory reminders when an agent loops on identical tool calls", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "dependencies": { + "schemastery": "^3.18.0" + }, + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-agent-loop": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/guard/repeat-tool-guard/src/index.ts b/packages/guard/repeat-tool-guard/src/index.ts new file mode 100644 index 0000000000..919d0541ba --- /dev/null +++ b/packages/guard/repeat-tool-guard/src/index.ts @@ -0,0 +1,268 @@ +/** + * Repeat-tool-call guard: advisory loop-breaker for agents stuck re-issuing + * the same tool call with identical arguments. + * + * Not a model-facing tool — it registers no tool, never vetoes or rewrites a + * call, and adds exactly one behavior: watch each agent's stream of tool calls + * through the `tools/post-execute` waterfall, count runs of consecutive calls + * to the same tool with identical canonicalized arguments, and at configured + * run lengths fold an escalating advisory reminder onto the decision's + * `additionalContext`. The loop appends that context as a logged + * `context/message` after the step's tool results, so the reminder is + * model-visible, source-attributed, and reconstructable from the session log + * with no new session event. Decision record: + * docs/rfc/implemented/feature/2026-07-08-repeat-tool-guard.md. + * + * ```yaml + * - id: repeat-tool-guard + * name: '@deepseek-ai/dsh-repeat-tool-guard' + * config: + * thresholds: [3, 5, 8] # consecutive counts that trigger a reminder + * include: [] # tool-name patterns to track; empty = all tools + * exclude: [todo_write] # tool-name patterns transparent to the chain + * ``` + * + * Chain state is keyed per {@link AgentId} — the tool registry is a + * context-level singleton whose waterfalls interleave every agent's calls, so + * a shared counter would let one agent's repetition trip another's reminder. + * State is in-memory only: a session resumed from persistence starts with a + * fresh chain (the guard is a heuristic nudge, not a logged invariant). + * + * Plugin export shape: named exports, NO default. The cordis Loader's + * `unwrapExports` does `exports.default ?? exports`, so a stray default would + * collapse the module to the bare `apply` (see docs/postmortem/0001). + * + * @module @deepseek-ai/dsh-repeat-tool-guard + */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import type { AgentId, HookContext, PromptDecision } from '@deepseek-ai/dsh-agent' +import type { MessageSource } from '@deepseek-ai/dsh-llm' +import type { PostToolDecision, ToolExecution } from '@deepseek-ai/dsh-tools' + +export const name = 'repeat-tool-guard' + +/** + * Plugin config, validated by the same-named schemastery schema plus the + * load-time checks in `apply` (misconfiguration fails loud: an empty + * `thresholds` list, a non-integer, a value below 2, or a duplicate throws at + * plugin load, never a silent fall-back). `include`/`exclude` entries are + * `*`-wildcard predicates over tool names at call time, not references to + * registry entries — a pattern matching no currently registered tool is valid + * (`exclude: [mcp_*]` must stay legal in a deployment that loads no MCP tools). + */ +export interface Config { + /** Consecutive-repeat counts that trigger a reminder (default `[3, 5, 8]`). */ + thresholds?: number[] + /** Tool-name patterns to track; empty means every tool is tracked. */ + include?: string[] + /** Tool-name patterns transparent to the chain (neither count nor reset). */ + exclude?: string[] + /** + * Maximum characters of canonical arguments quoted in the DETAILED reminder + * (default 500). Large payloads (a `write` body, a long command) would + * otherwise ride into the next request unbounded — precisely in a loop + * scenario; the cap bounds the reminder, never the detection (the chain key + * always compares the FULL canonical string). + */ + argumentsPreviewChars?: number +} + +export const Config: z<Config> = z.object({ + thresholds: z.array(z.number()).default([3, 5, 8]), + include: z.array(z.string()).default([]), + exclude: z.array(z.string()).default([]), + argumentsPreviewChars: z.number().default(500), +}) + +/** + * The `{kind:'plugin'}` source stamped on every reminder this guard injects — + * the label is load-bearing (an unlabeled context would render as a user + * prompt in derived history). + */ +const PLUGIN_SOURCE: MessageSource = { kind: 'plugin', plugin: 'repeat-tool-guard' } + +/** + * The gentle first-threshold reminder. Keyed to `thresholds[0]`, not a literal + * count, so a custom first threshold keeps the gentle-then-detailed escalation. + */ +const GENTLE_REMINDER = + 'You are repeating the exact same tool call with identical arguments. ' + + 'Carefully analyze the previous result before calling again: if the task is ' + + 'not complete, try a different approach or different arguments instead of ' + + 'repeating the call.' + +/** The detailed later-threshold reminder naming the tool, the run length, and the canonical arguments. */ +function detailedReminder(toolName: string, count: number, canonicalArguments: string): string { + return 'Repeated tool call detected:\n' + + `- tool: ${toolName}\n` + + `- consecutive_calls: ${count}\n` + + `- arguments: ${canonicalArguments}\n` + + 'The repeated calls are not making progress. Do not call this tool with ' + + 'these exact arguments again. Inspect the latest result and choose a ' + + 'different action, different arguments, or finish the task if enough ' + + 'evidence has been gathered.' +} + +/** + * Deep key-sort of a parsed-JSON value so two argument objects that differ + * only in property order canonicalize identically. Arguments reach the guard + * as the loop's `JSON.parse` output (or its raw-string fallback for malformed + * argument JSON), so JSON's value domain is the whole input domain — no + * bigint, cycle, or `undefined` handling exists because no input path can + * produce them. + */ +function sortJsonValue(value: unknown): unknown { + if (Array.isArray(value)) return value.map(sortJsonValue) + if (value !== null && typeof value === 'object') { + const record = value as Record<string, unknown> + const sorted: Record<string, unknown> = {} + for (const key of Object.keys(record).sort()) { + sorted[key] = sortJsonValue(record[key]) + } + return sorted + } + return value +} + +/** Canonical string form of a call's arguments: deep key-sort, then stringify. */ +function canonicalize(argumentsValue: unknown): string { + return JSON.stringify(sortJsonValue(argumentsValue)) +} + +/** Compile one `*`-wildcard pattern to an anchored RegExp (every other regex metacharacter is matched literally). */ +function wildcardToRegExp(pattern: string): RegExp { + const escaped = pattern.replace(/[|\\{}()[\]^$+?.]/g, String.raw`\$&`) + return new RegExp(`^${escaped.replaceAll('*', '.*')}$`) +} + +/** + * Head-truncate the canonical arguments for quoting in the detailed reminder, + * marking how much was omitted. Bounds only the model-visible text — the + * chain key always uses the full canonical string. + */ +function previewArguments(canonical: string, cap: number): string { + if (canonical.length <= cap) return canonical + return `${canonical.slice(0, cap)}… (+${canonical.length - cap} more chars)` +} + +/** + * Validate `thresholds` per the fail-loud contract and return them sorted + * ascending (the escalation rule reads `thresholds[0]` as the gentle tier, so + * order is normalized here, once). + */ +function validateThresholds(values: number[]): number[] { + if (values.length === 0) { + throw new Error('repeat-tool-guard: `thresholds` must not be empty') + } + for (const value of values) { + if (!Number.isInteger(value) || value < 2) { + throw new Error(`repeat-tool-guard: invalid threshold ${value} — every threshold must be an integer >= 2`) + } + } + if (new Set(values).size !== values.length) { + throw new Error('repeat-tool-guard: `thresholds` must not contain duplicates') + } + return [...values].sort((a, b) => a - b) +} + +/** + * Concatenate the guard's reminder context with a downstream listener's + * optional one so folding drops neither. The merged block carries the guard's + * `source` — a `HookContext` holds one `MessageSource` and the seam cannot + * represent mixed provenance; the rendered `context/message` only + * distinguishes by `source.kind`, so a downstream plugin's text is still + * correctly framed as plugin context. + */ +function concatContext(ours: HookContext, theirs: HookContext | undefined): HookContext { + if (!theirs) return ours + return { content: [...ours.content, ...theirs.content], source: ours.source } +} + +/** One agent's consecutive-repeat chain: the last tracked call's identity key and its run length. */ +interface Chain { + key: string + count: number +} + +/** + * Install the guard's listeners. + * @param ctx - plugin context; listeners are scoped to it and disposed with it. + * @param config - validated {@link Config}; `thresholds` is re-checked fail-loud here. + */ +export function apply(ctx: Context, config: Config): void { + // schemastery's .default() guarantees the fields are set after validation. + const thresholds = validateThresholds(config.thresholds as number[]) + const thresholdSet = new Set(thresholds) + const includePatterns = (config.include as string[]).map(wildcardToRegExp) + const excludePatterns = (config.exclude as string[]).map(wildcardToRegExp) + const argumentsPreviewChars = config.argumentsPreviewChars as number + if (!Number.isInteger(argumentsPreviewChars) || argumentsPreviewChars < 1) { + throw new Error(`repeat-tool-guard: invalid argumentsPreviewChars ${argumentsPreviewChars} — must be an integer >= 1`) + } + + const chains = new Map<AgentId, Chain>() + + /** Whether a tool participates in the chain (untracked calls are transparent: they neither count nor reset). */ + function tracked(toolName: string): boolean { + if (includePatterns.length > 0 && !includePatterns.some(pattern => pattern.test(toolName))) return false + return !excludePatterns.some(pattern => pattern.test(toolName)) + } + + /** + * Advance the calling agent's chain for one attempt and return the reminder + * to deliver, if this attempt's run length hits a configured threshold. + * Counting happens here — in post-execute — because denied calls also flow + * through this waterfall (`ToolRegistry.execute` routes a deny through the + * same pipeline), and a model hammering a denied call is exactly the loop + * worth breaking. + */ + function observe(exec: ToolExecution): HookContext | undefined { + // A direct `ctx.tools.execute()` caller has no model to remind and no id + // to key on; only agent-loop calls participate. + if (!exec.agent) return undefined + if (!tracked(exec.name)) return undefined + const canonical = canonicalize(exec.arguments) + const key = JSON.stringify([exec.name, canonical]) + const chain = chains.get(exec.agent.id) + const count = chain !== undefined && chain.key === key ? chain.count + 1 : 1 + chains.set(exec.agent.id, { key, count }) + if (!thresholdSet.has(count)) return undefined + const text = count === thresholds[0] + ? GENTLE_REMINDER + : detailedReminder(exec.name, count, previewArguments(canonical, argumentsPreviewChars)) + return { content: [{ type: 'text', text }], source: PLUGIN_SOURCE } + } + + // Observe-and-enrich, never veto: count first (state advances regardless of + // the downstream outcome), DELEGATE so a later listener can still block or + // replace, then fold the reminder onto whatever came back — additionalContext + // rides both decision variants, so a blocked call still gets the nudge. + ctx.on('tools/post-execute', async (exec, _result, next): Promise<PostToolDecision> => { + const reminder = observe(exec) + const downstream = await next() + if (!reminder) return downstream + if (downstream.kind === 'block') { + return { kind: 'block', feedback: downstream.feedback, additionalContext: concatContext(reminder, downstream.additionalContext) } + } + return { + kind: 'accept', + ...downstream.content !== undefined ? { content: downstream.content } : {}, + additionalContext: concatContext(reminder, downstream.additionalContext), + } + }) + + // A user interjection changes the context; repetition across it is not a + // loop. Pure reset hook: always delegates (attaching nothing, vetoing + // nothing). + ctx.on('agent/prompt-submit', (agent, _content, _source, next): Promise<PromptDecision> => { + chains.delete(agent.id) + return next() + }) + + // Drop state when an agent goes away, bounding the map over harness lifetime. + ctx.on('agent/status', (agent, status) => { + if (status === 'disposed') chains.delete(agent.id) + }) +} diff --git a/packages/guard/repeat-tool-guard/tests/repeat-tool-guard.spec.ts b/packages/guard/repeat-tool-guard/tests/repeat-tool-guard.spec.ts new file mode 100644 index 0000000000..565f1076b5 --- /dev/null +++ b/packages/guard/repeat-tool-guard/tests/repeat-tool-guard.spec.ts @@ -0,0 +1,401 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService, { CallId } from '@deepseek-ai/dsh-llm' +import SessionStore, { type SessionEvent } from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry, { defineTool } from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop, { type ReactLoopAgent } from '@deepseek-ai/dsh-agent-loop' +import * as RepeatToolGuard from '@deepseek-ai/dsh-repeat-tool-guard' +import type { Config } from '@deepseek-ai/dsh-repeat-tool-guard' +import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' + +/** + * Behavior suite for the repeat-tool-call guard: chain semantics (identical / + * different-tracked / untracked-transparent / per-agent / resets), threshold + * escalation incl. the `thresholds[0]` gentle-text rule, canonicalization, + * fold-onto-downstream-decision, and fail-loud config validation — all driven + * through a real agent loop against a scripted mock adapter (no network). + */ + +/** Boot the core spine + the guard; the caller registers adapters and extra listeners. */ +async function harness(config: Config = {}): Promise<Context> { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(RepeatToolGuard, config) + ctx.tools.register(defineTool({ name: 'probe', description: 'p', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } })) + ctx.tools.register(defineTool({ name: 'other', description: 'o', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } })) + return ctx +} + +function waitForIdle(ctx: Context, agent: ReactLoopAgent): Promise<void> { + return new Promise((resolve) => { const d = ctx.on('agent/status', (s, st) => { if (s === agent && st === 'idle') { d(); resolve() } }) }) +} + +/** Every `context/message` in the agent's log, flattened to joined text + source for terse assertions. */ +function reminders(agent: ReactLoopAgent): { text: string; source: unknown }[] { + return [...agent.session.events] + .filter((e): e is SessionEvent<'context/message'> => e.type === 'context/message') + .map(e => ({ + text: e.data.content.map(block => block.type === 'text' ? block.text : '').join('|'), + source: e.data.source, + })) +} + +const GUARD_SOURCE = { kind: 'plugin', plugin: 'repeat-tool-guard' } + +describe('threshold escalation', () => { + it('reminds gently at the first default threshold (3) and in detail at the second (5)', async () => { + const ctx = await harness() + const adapter = new MockAdapter([ + ...Array.from({ length: 5 }, (_, i) => toolCallResponse(`c${i}`, 'probe', { q: 'same' })), + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + const found = reminders(agent) + expect(found).toHaveLength(2) + expect(found[0]!.text).toContain('repeating the exact same tool call') + expect(found[0]!.source).toEqual(GUARD_SOURCE) + expect(found[1]!.text).toContain('consecutive_calls: 5') + expect(found[1]!.text).toContain('- tool: probe') + expect(found[1]!.text).toContain('{"q":"same"}') + expect(found[1]!.source).toEqual(GUARD_SOURCE) + }) + + it('keys the gentle text to thresholds[0], not the literal 3', async () => { + const ctx = await harness({ thresholds: [4, 2] }) // unsorted on purpose: normalized ascending + const adapter = new MockAdapter([ + ...Array.from({ length: 4 }, (_, i) => toolCallResponse(`c${i}`, 'probe', {})), + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + const found = reminders(agent) + expect(found).toHaveLength(2) + expect(found[0]!.text).toContain('repeating the exact same tool call') // gentle at 2 + expect(found[1]!.text).toContain('consecutive_calls: 4') // detailed at 4 + }) +}) + +describe('chain semantics', () => { + it('caps the detailed reminder arguments at argumentsPreviewChars (detection still keys on the full string)', async () => { + const ctx = await harness({ thresholds: [2, 3], argumentsPreviewChars: 24 }) + const bigPayload = 'x'.repeat(400) + const adapter = new MockAdapter([ + toolCallResponse('c1', 'probe', { body: bigPayload }), + toolCallResponse('c2', 'probe', { body: bigPayload }), + toolCallResponse('c3', 'probe', { body: bigPayload }), + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + const found = reminders(agent) + expect(found).toHaveLength(2) // gentle at 2, detailed at 3 — full-key matching survived the cap + const detailed = found[1]!.text + expect(detailed).toContain('- arguments: {"body":"xxxxxxxxxxxxxx') // 24-char head + expect(detailed).toContain('… (+387 more chars)') + expect(detailed).not.toContain(bigPayload) + }) + + it('a different tracked call resets the chain', async () => { + const ctx = await harness() + const adapter = new MockAdapter([ + toolCallResponse('c1', 'probe', { q: 1 }), + toolCallResponse('c2', 'probe', { q: 1 }), + toolCallResponse('c3', 'other', {}), // tracked, different → reset + toolCallResponse('c4', 'probe', { q: 1 }), + toolCallResponse('c5', 'probe', { q: 1 }), + toolCallResponse('c6', 'probe', { q: 1 }), // 3rd consecutive AFTER the reset + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + expect(reminders(agent)).toHaveLength(1) + }) + + it('excluded calls are transparent: they neither count nor reset', async () => { + const ctx = await harness({ exclude: ['other'] }) + const adapter = new MockAdapter([ + toolCallResponse('c1', 'probe', { q: 1 }), + toolCallResponse('c2', 'other', {}), // excluded → invisible to the chain + toolCallResponse('c3', 'probe', { q: 1 }), + toolCallResponse('c4', 'other', {}), + toolCallResponse('c5', 'probe', { q: 1 }), // 3rd consecutive probe + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + const found = reminders(agent) + expect(found).toHaveLength(1) + expect(found[0]!.text).toContain('repeating the exact same tool call') + }) + + it('include patterns track only matching tools (wildcard star)', async () => { + const ctx = await harness({ include: ['pro*'] }) + const adapter = new MockAdapter([ + toolCallResponse('c1', 'other', {}), + toolCallResponse('c2', 'other', {}), + toolCallResponse('c3', 'other', {}), // 3 identical, but untracked + toolCallResponse('c4', 'probe', {}), + toolCallResponse('c5', 'probe', {}), + toolCallResponse('c6', 'probe', {}), // 3 identical, tracked + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + const found = reminders(agent) + expect(found).toHaveLength(1) + expect(found[0]!.text).toContain('repeating the exact same tool call') + }) + + it('escapes regex metacharacters in patterns (a dot matches only a literal dot)', async () => { + const ctx = await harness({ exclude: ['pr.be'] }) // would match 'probe' as a regex; must not as a wildcard + const adapter = new MockAdapter([ + ...Array.from({ length: 3 }, (_, i) => toolCallResponse(`c${i}`, 'probe', {})), + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + expect(reminders(agent)).toHaveLength(1) // probe was NOT excluded + }) + + it('canonicalization ignores property order, deeply', async () => { + const ctx = await harness() + const adapter = new MockAdapter([ + toolCallResponse('c1', 'probe', { a: 1, nested: { x: [1, 2], y: null } }), + toolCallResponse('c2', 'probe', { nested: { y: null, x: [1, 2] }, a: 1 }), + toolCallResponse('c3', 'probe', { a: 1, nested: { x: [1, 2], y: null } }), + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + expect(reminders(agent)).toHaveLength(1) // all three canonicalize identically + }) + + it('keys chains per agent: one agent repeating never trips another', async () => { + const ctx = await harness() + ctx.llm.registerAdapter(['mock-a'], new MockAdapter([ + toolCallResponse('a1', 'probe', { q: 1 }), + toolCallResponse('a2', 'probe', { q: 1 }), + textResponse('done'), + ])) + ctx.llm.registerAdapter(['mock-b'], new MockAdapter([ + toolCallResponse('b1', 'probe', { q: 1 }), + toolCallResponse('b2', 'probe', { q: 1 }), + toolCallResponse('b3', 'probe', { q: 1 }), + textResponse('done'), + ])) + const agentA = ctx.agentLoop.create(AgentId('a'), { model: 'mock-a' }) + const agentB = ctx.agentLoop.create(AgentId('b'), { model: 'mock-b' }) + agentA.send([{ type: 'text', text: 'go' }]) + agentB.send([{ type: 'text', text: 'go' }]) + await Promise.all([waitForIdle(ctx, agentA), waitForIdle(ctx, agentB)]) + + expect(reminders(agentA)).toHaveLength(0) // 2 repeats < 3, despite B's 3 in the same registry + expect(reminders(agentB)).toHaveLength(1) + }) + + it('a new user prompt resets the chain', async () => { + const ctx = await harness() + const adapter = new MockAdapter([ + toolCallResponse('c1', 'probe', { q: 1 }), + toolCallResponse('c2', 'probe', { q: 1 }), + textResponse('turn one done'), + toolCallResponse('c3', 'probe', { q: 1 }), // without the reset this would be the 3rd + textResponse('turn two done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + agent.send([{ type: 'text', text: 'again' }]) + await waitForIdle(ctx, agent) + + expect(reminders(agent)).toHaveLength(0) + }) + + it('drops an agent chain on disposal', async () => { + const ctx = await harness({ thresholds: [2] }) + ctx.llm.registerAdapter(['mock'], new MockAdapter([ + toolCallResponse('c1', 'probe', { q: 1 }), + textResponse('done'), + toolCallResponse('c2', 'probe', { q: 1 }), // same id, fresh agent: count 1, not 2 + textResponse('done'), + ])) + // Loop agents are torn down by disposing the scope that created them + // (the loop.spec pattern): a child plugin fiber owns `first`. + let first!: ReactLoopAgent + const fiber = await ctx.plugin(Object.assign((inner: Context) => { + first = inner.agentLoop.create(AgentId('reused'), { model: 'mock' }) + }, { inject: ['agentLoop'] })) + first.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, first) + await fiber.dispose() + await first.done + + const second = ctx.agentLoop.create(AgentId('reused'), { model: 'mock' }) + second.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, second) + + expect(reminders(second)).toHaveLength(0) + }) + + it('counts denied calls: hammering a denied tool still draws the reminder', async () => { + const ctx = await harness({ thresholds: [2] }) + ctx.on('tools/pre-execute', async () => ({ kind: 'deny' as const, reason: 'sealed' })) + const adapter = new MockAdapter([ + toolCallResponse('c1', 'probe', { q: 1 }), + toolCallResponse('c2', 'probe', { q: 1 }), + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + expect(reminders(agent)).toHaveLength(1) + }) + + it('ignores direct executes with no agent (they neither crash nor advance any chain)', async () => { + const ctx = await harness({ thresholds: [2] }) + const direct = await ctx.tools.execute({ callId: CallId('d1'), name: 'probe', arguments: { q: 1 } }) + expect(direct.isError).toBe(false) + + ctx.llm.registerAdapter(['mock'], new MockAdapter([ + toolCallResponse('c1', 'probe', { q: 1 }), // if the direct call had counted, this would be #2 + textResponse('done'), + ])) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + expect(reminders(agent)).toHaveLength(0) + }) +}) + +describe('fold onto the downstream decision', () => { + it('folds the reminder onto a downstream block and keeps its feedback', async () => { + const ctx = await harness({ thresholds: [2] }) + ctx.on('tools/post-execute', async () => ({ + kind: 'block' as const, + feedback: [{ type: 'text' as const, text: 'nope' }], + additionalContext: { content: [{ type: 'text' as const, text: 'downstream-ctx' }], source: { kind: 'plugin' as const, plugin: 'test' } }, + })) + const adapter = new MockAdapter([ + toolCallResponse('c1', 'probe', { q: 1 }), + toolCallResponse('c2', 'probe', { q: 1 }), + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + const found = reminders(agent) + expect(found).toHaveLength(2) + // Call 1: below threshold — the downstream context passes through untouched. + expect(found[0]!.text).toBe('downstream-ctx') + expect(found[0]!.source).toEqual({ kind: 'plugin', plugin: 'test' }) + // Call 2: reminder folded in front, single merged context, the guard's source. + expect(found[1]!.text).toContain('repeating the exact same tool call') + expect(found[1]!.text).toContain('|downstream-ctx') + expect(found[1]!.source).toEqual(GUARD_SOURCE) + // The block's feedback reached the tool result unchanged. + const results = [...agent.session.events].filter((e): e is SessionEvent<'tool/result'> => e.type === 'tool/result') + expect(results.every(r => r.data.isError)).toBe(true) + expect(results[1]!.data.content).toEqual([{ type: 'text', text: 'nope' }]) + }) + + it('preserves a downstream accept content replacement while folding', async () => { + const ctx = await harness({ thresholds: [2] }) + ctx.on('tools/post-execute', async () => ({ + kind: 'accept' as const, + content: [{ type: 'text' as const, text: 'replaced' }], + })) + const adapter = new MockAdapter([ + toolCallResponse('c1', 'probe', { q: 1 }), + toolCallResponse('c2', 'probe', { q: 1 }), + textResponse('done'), + ]) + ctx.llm.registerAdapter(['mock'], adapter) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + + const found = reminders(agent) + expect(found).toHaveLength(1) + expect(found[0]!.text).toContain('repeating the exact same tool call') + const results = [...agent.session.events].filter((e): e is SessionEvent<'tool/result'> => e.type === 'tool/result') + expect(results[1]!.data.content).toEqual([{ type: 'text', text: 'replaced' }]) + }) +}) + +describe('config validation fails loud', () => { + async function spine(): Promise<Context> { + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { agents: [] }) + return ctx + } + + it('rejects an empty thresholds list', async () => { + const ctx = await spine() + await expect(ctx.plugin(RepeatToolGuard, { thresholds: [] })).rejects.toThrow(/must not be empty/) + }) + + it('rejects a threshold below 2', async () => { + const ctx = await spine() + await expect(ctx.plugin(RepeatToolGuard, { thresholds: [1, 3] })).rejects.toThrow(/integer >= 2/) + }) + + it('rejects a non-integer threshold', async () => { + const ctx = await spine() + await expect(ctx.plugin(RepeatToolGuard, { thresholds: [2.5] })).rejects.toThrow(/integer >= 2/) + }) + + it('rejects duplicate thresholds', async () => { + const ctx = await spine() + await expect(ctx.plugin(RepeatToolGuard, { thresholds: [3, 3] })).rejects.toThrow(/duplicates/) + }) + + it('rejects a non-positive or fractional argumentsPreviewChars', async () => { + const ctx = await spine() + await expect(ctx.plugin(RepeatToolGuard, { argumentsPreviewChars: 0 })).rejects.toThrow(/argumentsPreviewChars/) + const ctx2 = await spine() + await expect(ctx2.plugin(RepeatToolGuard, { argumentsPreviewChars: 12.5 })).rejects.toThrow(/argumentsPreviewChars/) + }) +}) diff --git a/packages/support/ui-stdio/tsconfig.json b/packages/guard/repeat-tool-guard/tsconfig.json similarity index 92% rename from packages/support/ui-stdio/tsconfig.json rename to packages/guard/repeat-tool-guard/tsconfig.json index b333de0302..66439bcd5f 100644 --- a/packages/support/ui-stdio/tsconfig.json +++ b/packages/guard/repeat-tool-guard/tsconfig.json @@ -17,14 +17,14 @@ { "path": "../../../vendor/schemastery" }, + { + "path": "../../core/tools" + }, { "path": "../../core/agent" }, { "path": "../../llm/llm" - }, - { - "path": "../../core/session" } ] } diff --git a/packages/hooks/README.md b/packages/hooks/README.md index 2bdb65d5bf..b483964c32 100644 --- a/packages/hooks/README.md +++ b/packages/hooks/README.md @@ -4,7 +4,7 @@ The hooks subsystem lets users extend the agent at lifecycle points the way Clau | Package | Role | Shape | |---|---|---| -| `hook-protocol/` | Shared wire-protocol core: matcher primitive, exit-code/stdout codec, `runHook` (via `ctx.bash`), most-restrictive merge, `hook/*` session events | library (no plugin) | +| `hook-protocol/` | Shared wire-protocol core: matcher primitive, exit-code/stdout codec, `runHook` (via `ctx.bash`), most-restrictive merge, `hook/*` session events, detached-run quiescence | library (no plugin) | | `hooks-claude/` | Bridge for a Claude Code `hooks.json` / settings | plugin | | `hooks-codex/` | Bridge for a Codex `hooks.json` | plugin | diff --git a/packages/hooks/hook-protocol/README.md b/packages/hooks/hook-protocol/README.md index 8478f8aa74..8296821503 100644 --- a/packages/hooks/hook-protocol/README.md +++ b/packages/hooks/hook-protocol/README.md @@ -12,21 +12,20 @@ Why a shared lib at all: Codex deliberately reimplements a *subset* of the Claud | Run a hook | `runHook(bash, hook, opts, now)` — stdin payload + env via `ctx.bash`, decode | builds the per-event stdin **payload** + the dialect's **env** | | Decode output | `parseHookOutput(exit, stdout, stderr)` → neutral `HookOutput` | maps the neutral `HookOutput` onto a seam-specific typed Decision | | Merge N hooks | `mergeHookOutputs(outputs)` → most-restrictive `MergedHookOutcome` | — | -| Durable record | `appendHookInvoked` / `appendHookResult` (`hook/*` session events) | calls them around each invocation | +| Durable record | `appendHookInvoked` / `appendHookResult` (`hook/*` session events; the result's `decision`/`stderrSummary` derive from the `HookOutput` here) | calls them around each invocation | +| Detached-run quiescence | `createDetachedRuns()` — track fire-and-forget run chains; `drain()` aborts, then awaits them | passes `signal` to each detached `runHook`, registers `drain` as its effect disposer | ## Primitives - **`matchesMatcher(matcher, query, mode)`** — match-all on absent/`''`/`'*'`; `claude` mode treats a pure `[A-Za-z0-9_|]+` pattern as a literal (pipe = exact-match alternation) and anything else as a regex; `codex` mode is always an unanchored regex. An invalid regex matches nothing (never throws). -- **`runHook(bash, hook, options, now)`** — serialize `options.payload` to the hook's stdin (with a trailing newline iff `options.trailingNewline`), merge `options.env` after the executor's credential scrub (the `dsh-bash` trusted-plugin surface), honor the hook's `timeoutSec` (else `defaultTimeoutMs`), and decode the result (threading `options.expectedEventName` to the codec). Never throws: an executor rejection (infra fault) becomes a `HookOutput` with `exitCode: undefined` (a non-blocking error). `now` is injected for testable durations. -- **`parseHookOutput(exitCode, stdout, stderr, expectedEventName?)`** — the exit-code + structured-stdout codec. Exit `0` → parse JSON stdout (lenient: non-JSON is left for the bridge); exit `2` → blocking error, `stderr` is the block reason (surfaced as `decision: 'block'`); other → non-blocking error. `hookSpecificOutput.permissionDecision` (allow/deny/ask) overrides a legacy top-level `decision`; `additionalContext`/`updatedInput`/`systemMessage`/`continue`/`stopReason`/`suppressOutput` are parsed too. The schemas key the `hookSpecificOutput` block by `hookEventName`, so passing `expectedEventName` (the firing event) DISCARDS a block whose `hookEventName` names a different event — or omits it entirely — its event-scoped fields don't take effect (a `PreToolUse` block on a `Stop` hook is malformed, and so is a discriminator-less block that would otherwise apply to any event), while the event-agnostic top-level fields still apply. Pure and total. +- **`runHook(bash, hook, options, now)`** — serialize `options.payload` to the hook's stdin (with a trailing newline iff `options.trailingNewline`), merge `options.env` after the executor's credential scrub (the `dsh-bash` trusted-plugin surface), honor the hook's `timeoutSec` (else `options.defaultTimeoutMs` — the bridge owns the default, its config defaulting to the lib's `DEFAULT_HOOK_TIMEOUT_MS` 10-minute reference), and decode the result (threading `options.expectedEventName` to the codec). Never throws: an executor rejection (infra fault) becomes a `HookOutput` with `exitCode: undefined` (a non-blocking error). `now` is injected for testable durations. +- **`parseHookOutput(exitCode, stdout, stderr, expectedEventName?)`** — the exit-code + structured-stdout codec. Exit `0` → parse JSON stdout (lenient: non-JSON is left for the bridge); exit `2` → blocking error, `stderr` is the block reason (surfaced as `decision: 'block'`); other → non-blocking error. `hookSpecificOutput.permissionDecision` (allow/deny/ask) overrides a legacy top-level `decision`; `additionalContext`/`updatedInput`/`systemMessage`/`continue`/`stopReason` are parsed too. The schemas key the `hookSpecificOutput` block by `hookEventName`, so passing `expectedEventName` (the firing event) DISCARDS a block whose `hookEventName` names a different event — or omits it entirely — its event-scoped fields don't take effect (a `PreToolUse` block on a `Stop` hook is malformed, and so is a discriminator-less block that would otherwise apply to any event), while the event-agnostic top-level fields still apply. Pure and total. - **`mergeHookOutputs(outputs)`** — fold the results of every hook that matched one point: permission precedence **deny > ask > allow**, halt sticky on the first `continue:false`, block reasons joined with `\n\n`, `additionalContext`/`systemMessages` accumulated in order. +- **`createDetachedRuns()`** — quiescence tracking for the emit-shaped points, which run detached (no seam awaits them). The bridge tracks each run chain — the hook run PLUS its continuation — and registers `drain()` as its effect disposer: drain fires the tracker's abort `signal` (so a still-running hook process is killed via `runHook`, not awaited out to its timeout), then resolves once every tracked chain has settled. `fiber.dispose()` resolving therefore means no detached hook work is left to fire into a disposed context ([defensive patterns](../../../docs/defensive-patterns.md): dispose must reach quiescence). ## `hook/*` session events -Declaration-merged into `SessionEventMap` (log-only, like `compact/*` — NOT a `SurfaceEventType`, no `surfaceOp`): - -- `hook/invoked` — `{ turn, point, dialect, matcher?, handlerId }`: a hook command ran. -- `hook/result` — `{ turn, point, handlerId, decision, exitCode?, stderrSummary?, durationMs }`: its outcome, paired by `handlerId`. +Declaration-merged into `SessionEventMap` (log-only, like `compact/*` — NOT a `SurfaceEventType`, no `surfaceOp`): `hook/invoked` (a hook command ran) and `hook/result` (its outcome, paired by `handlerId`, with `appendHookResult` owning the decision rule). Payloads and per-event JSDoc are in the generated [persistence log event catalog](../../../docs/persistence-catalog.md); `stderrSummary` is truncated to the record's `stderrSummaryMaxChars` (the bridge's config, reference default `DEFAULT_STDERR_SUMMARY_MAX_CHARS` = 500; omitted when empty). Like every event they must sit inside an open turn. The mid-turn points (`PreToolUse`/`PostToolUse`/`UserPromptSubmit`/`Stop`) fire inside the loop's open turn by construction; `SessionStart` gets no `hook/*` record (its injected `context/message` is the durable evidence) — see the hooks RFC. diff --git a/packages/hooks/hook-protocol/src/codec.ts b/packages/hooks/hook-protocol/src/codec.ts index b5170028c2..59de886e5e 100644 --- a/packages/hooks/hook-protocol/src/codec.ts +++ b/packages/hooks/hook-protocol/src/codec.ts @@ -21,7 +21,7 @@ import type { HookOutput } from './types.ts' /** The exit code a hook uses to signal a blocking error (stderr → model). */ -export const BLOCKING_EXIT_CODE = 2 +const BLOCKING_EXIT_CODE = 2 /** Read a string field from a parsed object, or `undefined` if absent/wrong type. */ function str(obj: Record<string, unknown>, key: string): string | undefined { @@ -72,9 +72,15 @@ function permissionDecisionOf(value: string | undefined): HookOutput['decision'] * `additionalContext`/`updatedInput`) are DISCARDED — a `PreToolUse` block on a * `Stop` hook must not deny the `Stop`. The block's `hookEventName` is still * surfaced (for the log/diagnostics), and the event-agnostic top-level fields - * (`decision`/`reason`/`continue`/`stopReason`/`suppressOutput`/`systemMessage`) + * (`decision`/`reason`/`continue`/`stopReason`/`systemMessage`) * are unaffected. Omit `expectedEventName` (or pass a matching one) to apply the * block as-is — a caller that doesn't key by event opts out of the check. + * + * @param exitCode - the process exit code; `undefined` when the hook could not be spawned at all. + * @param stdout - the captured stdout stream; consulted for structured JSON only on a 0 exit. + * @param stderr - the captured stderr stream; becomes the blocking `reason` on exit 2. + * @param expectedEventName - the event the hook is firing for; omit to apply a `hookSpecificOutput` block as-is. + * @returns the dialect-neutral decoded outcome. */ export function parseHookOutput(exitCode: number | undefined, stdout: string, stderr: string, expectedEventName?: string): HookOutput { const trimmedErr = stderr.trim() @@ -125,8 +131,6 @@ function applyStructured(output: HookOutput, parsed: Record<string, unknown>, ex if (cont !== undefined) output.continue = cont const stopReason = str(parsed, 'stopReason') if (stopReason !== undefined) output.stopReason = stopReason - const suppress = bool(parsed, 'suppressOutput') - if (suppress !== undefined) output.suppressOutput = suppress const sysMsg = str(parsed, 'systemMessage') if (sysMsg !== undefined) output.systemMessage = sysMsg diff --git a/packages/hooks/hook-protocol/src/detached.ts b/packages/hooks/hook-protocol/src/detached.ts new file mode 100644 index 0000000000..878ba7a27a --- /dev/null +++ b/packages/hooks/hook-protocol/src/detached.ts @@ -0,0 +1,71 @@ +/** + * Quiescence tracking for a bridge's DETACHED hook runs. The waterfall-shaped + * hook points (`UserPromptSubmit`, `PreToolUse`, …) are awaited by their seams, + * but the emit-shaped points (`SessionStart`, `SubagentStart`, `SubagentStop`) + * run fire-and-forget: no seam awaits them, so without tracking a bridge's + * disposal could strand a live hook process and let a late continuation fire + * into a disposed context (docs/defensive-patterns.md: dispose must reach + * quiescence). A bridge creates one tracker in `apply()`, passes + * {@link DetachedRuns.signal} to each detached {@link runHook} call, wraps the + * full run chain (the hook run PLUS its `.then` continuation) in + * {@link DetachedRuns.track}, and registers {@link DetachedRuns.drain} as its + * disposer. + * + * @module @deepseek-ai/dsh-hook-protocol/detached + */ + +/** In-flight registry for one bridge's detached hook runs; see the module doc for the wiring contract. */ +export interface DetachedRuns { + /** + * The abort signal every tracked run must hand to {@link runHook} (via its + * `signal` option). {@link drain} fires it so a still-running hook process is + * killed rather than awaited out to its timeout (default 10 minutes). + */ + readonly signal: AbortSignal + /** + * Register one detached run until it settles. Pass the FULL chain — the hook + * run and its continuation/error handler — so {@link drain} waits for the + * side effects (an inject, a warn), not just the process exit. A rejected + * chain is absorbed here (settlement bookkeeping only), but rejection + * handling is still the caller's job: an untracked `.catch` is what turns a + * failure into a logged warning instead of silence. + * @param run - the detached run chain to hold until settled. + */ + track(run: Promise<unknown>): void + /** + * Abort {@link signal}, then resolve once every tracked chain has settled — + * including chains tracked while the drain is in progress. The bridge + * registers this as its effect disposer; cordis awaits it, so + * `fiber.dispose()` resolving means the bridge's detached work is quiescent. + * A run tracked AFTER drain resolves is not awaited by anyone — by then the + * bridge's listeners are disposed, so nothing can start one. + * @returns resolves when all tracked runs have settled. + */ + drain(): Promise<void> +} + +/** + * Create a {@link DetachedRuns} tracker (one per bridge `apply()`); settled + * runs are pruned so a long-lived session does not accumulate them. + * @returns the tracker. + */ +export function createDetachedRuns(): DetachedRuns { + const inflight = new Set<Promise<unknown>>() + const controller = new AbortController() + return { + signal: controller.signal, + track(run: Promise<unknown>): void { + inflight.add(run) + const settled = (): void => { inflight.delete(run) } + void run.then(settled, settled) + }, + async drain(): Promise<void> { + controller.abort(new Error('hook bridge disposed')) + // Re-check after each wave: a chain can be tracked while a prior wave is + // settling; loop until the registry is observed empty. + while (inflight.size > 0) { + await Promise.allSettled([...inflight]) + } + }, + } +} diff --git a/packages/hooks/hook-protocol/src/events.ts b/packages/hooks/hook-protocol/src/events.ts index 0db75995c9..df6a10672a 100644 --- a/packages/hooks/hook-protocol/src/events.ts +++ b/packages/hooks/hook-protocol/src/events.ts @@ -16,7 +16,7 @@ */ import type { Session } from '@deepseek-ai/dsh-session' -import type { HookDialect } from './types.ts' +import type { HookDialect, HookOutput } from './types.ts' /** What identifies a hook invocation across its invoked/result pair. */ export interface HookInvocation { @@ -37,17 +37,50 @@ export interface HookResultRecord { turn: number point: string handlerId: string - /** The dialect-neutral decision the bridge resolved (`deny`/`allow`/`block`/…). */ - decision: string - /** The process exit code (absent when the hook could not run). */ - exitCode?: number - /** A truncated stderr summary (the block-reason source on exit 2). */ - stderrSummary?: string - /** Wall-clock duration of the run. */ + /** + * The decoded outcome the run produced. {@link appendHookResult} derives the + * durable `decision`/`exitCode`/`stderrSummary` fields from it, so the shared + * event's semantics live here, in the lib that declares it, not per-bridge. + */ + output: HookOutput + /** + * Character cap for the derived `stderrSummary`. The bound is the bridge's + * to own (its `stderrSummaryMaxChars` config) and is passed in explicitly — + * {@link DEFAULT_STDERR_SUMMARY_MAX_CHARS} is the reference default. + */ + stderrSummaryMaxChars: number + /** Wall-clock duration of the run (from `runHook`) — durable audit timing. */ durationMs: number } -/** Append a `hook/invoked` provenance event to `session`. */ +/** + * The reference default for {@link HookResultRecord.stderrSummaryMaxChars} + * (both bridges' config default). It lives here, once, next to the truncation + * rule it bounds, so the bridges cannot drift apart on the shared event's + * default cap. + */ +export const DEFAULT_STDERR_SUMMARY_MAX_CHARS = 500 + +/** + * Truncate a hook's stderr for {@link HookResultRecord.stderrSummary}: trimmed, + * `undefined` when empty, cut at `maxChars` with an ellipsis when over. The + * bound is a parameter — like `runHook`'s `defaultTimeoutMs`, each bridge owns + * the config default and passes it in. + * @param stderr - the hook's raw captured stderr. + * @param maxChars - the character cap for the summary (the bridge's config value). + * @returns the trimmed, capped summary, or `undefined` when stderr is blank. + */ +export function summarizeStderr(stderr: string, maxChars: number): string | undefined { + const t = stderr.trim() + if (t.length === 0) return undefined + return t.length > maxChars ? t.slice(0, maxChars) + '…' : t +} + +/** + * Append a `hook/invoked` provenance event to `session`. + * @param session - the session whose open turn records the event. + * @param invocation - the invocation identity; an absent `matcher` is omitted from the payload. + */ export function appendHookInvoked(session: Session, invocation: HookInvocation): void { session.append('hook/invoked', { turn: invocation.turn, @@ -58,15 +91,26 @@ export function appendHookInvoked(session: Session, invocation: HookInvocation): }) } -/** Append a `hook/result` outcome event to `session` (pairs with a prior `hook/invoked`). */ +/** + * Append a `hook/result` outcome event to `session` (pairs with a prior + * `hook/invoked`). Owns the durable event's semantics: `decision` is the hook's + * parsed decision, else `'stop'` when it asked to halt (`continue: false`), + * else `'pass'`; `stderrSummary` is the trimmed stderr truncated to + * `record.stderrSummaryMaxChars` characters (omitted when empty); `exitCode` + * is omitted when the hook never ran. + * @param session - the session whose open turn records the event. + * @param record - the outcome to record: the decoded output plus the summary cap and duration. + */ export function appendHookResult(session: Session, record: HookResultRecord): void { + const { output } = record + const stderrSummary = summarizeStderr(output.stderr, record.stderrSummaryMaxChars) session.append('hook/result', { turn: record.turn, point: record.point, handlerId: record.handlerId, - decision: record.decision, - ...record.exitCode !== undefined ? { exitCode: record.exitCode } : {}, - ...record.stderrSummary !== undefined ? { stderrSummary: record.stderrSummary } : {}, + decision: output.decision ?? (output.continue === false ? 'stop' : 'pass'), + ...output.exitCode !== undefined ? { exitCode: output.exitCode } : {}, + ...stderrSummary !== undefined ? { stderrSummary } : {}, durationMs: record.durationMs, }) } diff --git a/packages/hooks/hook-protocol/src/index.ts b/packages/hooks/hook-protocol/src/index.ts index 686a1480ac..df8908490d 100644 --- a/packages/hooks/hook-protocol/src/index.ts +++ b/packages/hooks/hook-protocol/src/index.ts @@ -12,7 +12,11 @@ * - {@link mergeHookOutputs} — fold multiple matched hooks into one * most-restrictive {@link MergedHookOutcome} (deny > ask > allow). * - {@link appendHookInvoked} / {@link appendHookResult} — the log-only `hook/*` - * session-event helpers (declaration-merged into `SessionEventMap`). + * session-event helpers (declaration-merged into `SessionEventMap`); + * `appendHookResult` derives the durable `decision`/`stderrSummary` from the + * {@link HookOutput} so the shared event's semantics live in one place. + * - {@link createDetachedRuns} — quiescence tracking for the fire-and-forget + * hook points: disposal aborts and drains a bridge's detached runs. * * Each bridge owns what genuinely DIFFERS: building the per-event stdin payload * (CC vs Codex field sets), the dialect's env/substitution, and mapping the @@ -29,10 +33,12 @@ export type { MatcherMode, } from './types.ts' export { matchesMatcher } from './matcher.ts' -export { BLOCKING_EXIT_CODE, parseHookOutput } from './codec.ts' -export { runHook } from './runner.ts' +export { parseHookOutput } from './codec.ts' +export { DEFAULT_HOOK_TIMEOUT_MS, runHook } from './runner.ts' export type { RunHookOptions, RunHookResult } from './runner.ts' export { mergeHookOutputs } from './merge.ts' export type { MergedDecision, MergedHookOutcome } from './merge.ts' -export { appendHookInvoked, appendHookResult } from './events.ts' +export { appendHookInvoked, appendHookResult, DEFAULT_STDERR_SUMMARY_MAX_CHARS, summarizeStderr } from './events.ts' export type { HookInvocation, HookResultRecord } from './events.ts' +export { createDetachedRuns } from './detached.ts' +export type { DetachedRuns } from './detached.ts' diff --git a/packages/hooks/hook-protocol/src/matcher.ts b/packages/hooks/hook-protocol/src/matcher.ts index ee1dd324b3..6863ee999f 100644 --- a/packages/hooks/hook-protocol/src/matcher.ts +++ b/packages/hooks/hook-protocol/src/matcher.ts @@ -34,6 +34,10 @@ const CLAUDE_LITERAL = /^[A-Za-z0-9_|]+$/ * pattern exact-matches the query (splitting `|` into alternatives); every other * `claude` pattern and ALL `codex` patterns are tested as an unanchored regex. * An invalid regex matches nothing (never throws). + * @param matcher - the configured pattern; absent/empty/`'*'` are the match-all sentinels. + * @param query - the candidate value (a tool name, a session source, …). + * @param mode - the dialect deciding literal-vs-regex interpretation of the pattern. + * @returns `true` when the pattern selects the query; `false` on a non-match or an invalid regex. */ export function matchesMatcher(matcher: string | undefined, query: string, mode: MatcherMode): boolean { if (isMatchAll(matcher)) return true diff --git a/packages/hooks/hook-protocol/src/merge.ts b/packages/hooks/hook-protocol/src/merge.ts index 1e53dbaaea..d219c4eb18 100644 --- a/packages/hooks/hook-protocol/src/merge.ts +++ b/packages/hooks/hook-protocol/src/merge.ts @@ -71,6 +71,8 @@ function decisionForRank(maxRank: number): MergedDecision { * into one {@link MergedHookOutcome} by the precedence rules above. An empty list * yields a neutral outcome (`decision: 'none'`, no stop, empty context) — the * caller treats that as "no hook had anything to say". + * @param outputs - every matched hook's decoded output, in hook order. + * @returns the single folded outcome the bridge maps onto its seam. */ export function mergeHookOutputs(outputs: HookOutput[]): MergedHookOutcome { let maxRank = 0 diff --git a/packages/hooks/hook-protocol/src/runner.ts b/packages/hooks/hook-protocol/src/runner.ts index cea09c1fe7..e4a2bc8a04 100644 --- a/packages/hooks/hook-protocol/src/runner.ts +++ b/packages/hooks/hook-protocol/src/runner.ts @@ -17,6 +17,15 @@ import type { BashExecutor } from '@deepseek-ai/dsh-bash' import { parseHookOutput } from './codec.ts' import type { CommandHook, HookOutput } from './types.ts' +/** + * The reference default per-hook timeout, in ms (10 minutes) — the value both + * Claude Code and Codex apply to a hook whose config sets no `timeout`. It + * lives here, once, as the protocol's default; the bridges' `defaultTimeoutMs` + * config defaults to it, and a per-hook {@link CommandHook.timeoutSec} is the + * override surface. + */ +export const DEFAULT_HOOK_TIMEOUT_MS = 600_000 + /** Everything a single hook invocation needs beyond its command line. */ export interface RunHookOptions { /** The JSON payload object written to the hook's stdin (the bridge builds it). */ @@ -27,10 +36,14 @@ export interface RunHookOptions { cwd?: string /** Abort signal — cancels the hook run when fired (the parent step aborts). */ signal?: AbortSignal - /** Default timeout (ms) when the hook config sets none. */ - defaultTimeoutMs: number /** Whether to append a trailing newline to the stdin payload (CC yes, Codex no). */ trailingNewline: boolean + /** + * Timeout applied when the hook's config sets no `timeout` of its own. The + * bridge owns the default (its `defaultTimeoutMs` config, reference default + * {@link DEFAULT_HOOK_TIMEOUT_MS}) and passes it in explicitly. + */ + defaultTimeoutMs: number /** * The event this hook is firing for (e.g. `'PreToolUse'`). When set, a * structured `hookSpecificOutput` block whose `hookEventName` names a DIFFERENT @@ -43,18 +56,25 @@ export interface RunHookOptions { /** The {@link HookOutput} plus the wall-clock duration of the run (for `hook/result`). */ export interface RunHookResult { output: HookOutput + /** Wall-clock duration of the run, from `now` — durable on the `hook/result` event. */ durationMs: number } /** * Run `hook` via `bash` with `options.payload` serialized to its stdin, then - * decode the result. `now` is injected (a monotonic-ms source) so the duration - * is testable without a real clock. The hook's configured `timeoutSec` (wire - * unit: seconds) overrides `defaultTimeoutMs`. The command runs with the - * dialect's `env` merged after the executor's credential scrub (the trusted- - * plugin path). NEVER throws: an infrastructure failure (the executor rejecting) - * is surfaced as a {@link HookOutput} with `exitCode: undefined`, so the caller's - * merge logic treats it as a non-blocking error rather than crashing the turn. + * decode the result into a {@link HookOutput}. The hook's configured + * `timeoutSec` (wire unit: seconds) overrides `options.defaultTimeoutMs`. + * The command runs with the dialect's `env` merged after the executor's + * credential scrub (the trusted-plugin path). NEVER throws: an infrastructure + * failure (the executor rejecting) is surfaced as a {@link HookOutput} with + * `exitCode: undefined`, so the caller's merge logic treats it as a + * non-blocking error rather than crashing the turn. `now` is injected for + * testable durations. + * @param bash - the executor seam the command runs through. + * @param hook - the configured command; its `timeoutSec` (wire unit: seconds) overrides the default timeout. + * @param options - the invocation's payload, env, cwd, signal, stdin framing, and default timeout. + * @param now - millisecond clock used for the reported duration. + * @returns the decoded output plus the run's wall-clock duration. */ export async function runHook( bash: BashExecutor, diff --git a/packages/hooks/hook-protocol/src/types.ts b/packages/hooks/hook-protocol/src/types.ts index c3b75e7c08..ef9fc7f9b9 100644 --- a/packages/hooks/hook-protocol/src/types.ts +++ b/packages/hooks/hook-protocol/src/types.ts @@ -18,12 +18,11 @@ declare module '@deepseek-ai/dsh-session' { /** * A hook command was invoked at a hook point — log-only provenance (like * `compact/*`; NOT a {@link SurfaceEventType}, carries no `surfaceOp`). - * `dialect` is the bridge that ran it (`claude`/`codex`/`native`), `point` + * `dialect` is the bridge that ran it (`claude`/`codex`), `point` * the hook point (`PreToolUse`, `Stop`, …), `matcher` the matcher-group * pattern that selected it (absent for match-all), `handlerId` a stable id * for the command (so an invoked/result pair correlates). `turn` is the open * turn the invocation lives inside. - * @mode emit */ 'hook/invoked': { turn: number @@ -34,12 +33,14 @@ declare module '@deepseek-ai/dsh-session' { } /** * A hook command's outcome — log-only, paired with a prior `hook/invoked` - * (same `handlerId`). `decision` is the resolved dialect-neutral outcome the - * bridge mapped it to (`allow`/`deny`/`ask`/`block`/`continue`/`stop`/`pass`), - * `exitCode` the process exit (absent if it never ran), `stderrSummary` a - * truncated stderr (the block reason source on exit 2), `durationMs` the wall - * time. `turn` matches the `hook/invoked`. - * @mode emit + * (same `handlerId`). `decision` is the dialect-neutral outcome derived by + * `appendHookResult` (which owns the rule): the hook's parsed decision + * (`approve`/`allow`/`block`/`deny`/`ask`), else `'stop'` when it asked to + * halt via `continue:false`, else `'pass'`. `exitCode` is the process exit + * (absent if it never ran), `stderrSummary` the trimmed stderr truncated to + * the bridge's configured cap (the block reason source on exit 2), + * `durationMs` the wall-clock runtime (audit timing; snapshot replay + * normalizes it). `turn` matches the `hook/invoked`. */ 'hook/result': { turn: number @@ -53,8 +54,12 @@ declare module '@deepseek-ai/dsh-session' { } } -/** Which protocol dialect a hook config / invocation belongs to. */ -export type HookDialect = 'claude' | 'codex' | 'native' +/** + * The bridge that ran a hook — the CC bridge stamps `'claude'`, the Codex + * bridge `'codex'`. A native plugin on the interception seams is not a bridge + * and writes no `hook/*` provenance (see the interception-seams RFC). + */ +export type HookDialect = 'claude' | 'codex' /** * One configured command hook (the `{ type: 'command', command, timeout? }` @@ -115,8 +120,6 @@ export interface HookOutput { continue?: boolean /** Human-readable reason shown when {@link continue} is `false`. */ stopReason?: string - /** Hide the hook's stdout from the transcript (CC `suppressOutput`). */ - suppressOutput?: boolean /** * The neutral blocking decision a hook expressed, folded from the two channels * the reference protocols keep DISTINCT: the legacy top-level `decision` diff --git a/packages/hooks/hook-protocol/tests/codec.spec.ts b/packages/hooks/hook-protocol/tests/codec.spec.ts index 5f72753c57..252caa4cff 100644 --- a/packages/hooks/hook-protocol/tests/codec.spec.ts +++ b/packages/hooks/hook-protocol/tests/codec.spec.ts @@ -38,13 +38,12 @@ describe('parseHookOutput — exit code semantics', () => { }) describe('parseHookOutput — structured stdout (exit 0 only)', () => { - it('parses top-level continue/stopReason/suppressOutput/systemMessage', () => { + it('parses top-level continue/stopReason/systemMessage', () => { const out = parseHookOutput(0, JSON.stringify({ - continue: false, stopReason: 'budget exceeded', suppressOutput: true, systemMessage: 'heads up', + continue: false, stopReason: 'budget exceeded', systemMessage: 'heads up', }), '') expect(out.continue).toBe(false) expect(out.stopReason).toBe('budget exceeded') - expect(out.suppressOutput).toBe(true) expect(out.systemMessage).toBe('heads up') }) diff --git a/packages/hooks/hook-protocol/tests/detached.spec.ts b/packages/hooks/hook-protocol/tests/detached.spec.ts new file mode 100644 index 0000000000..03e10c7a0d --- /dev/null +++ b/packages/hooks/hook-protocol/tests/detached.spec.ts @@ -0,0 +1,68 @@ +import { describe, expect, it } from 'vitest' +import { createDetachedRuns } from '@deepseek-ai/dsh-hook-protocol' + +/** A promise settled from outside, so a test controls exactly when a tracked run finishes. */ +function deferred(): { promise: Promise<void>; resolve: () => void; reject: (error: Error) => void } { + let resolve!: () => void + let reject!: (error: Error) => void + const promise = new Promise<void>((res, rej) => { resolve = res; reject = rej }) + return { promise, resolve, reject } +} + +describe('createDetachedRuns', () => { + it('starts with an unfired signal; drain fires it (so still-running hook processes get killed)', async () => { + const detached = createDetachedRuns() + expect(detached.signal.aborted).toBe(false) + await detached.drain() + expect(detached.signal.aborted).toBe(true) + expect(String(detached.signal.reason)).toContain('hook bridge disposed') + }) + + it('drain with nothing tracked resolves immediately', async () => { + await expect(createDetachedRuns().drain()).resolves.toBeUndefined() + }) + + it('drain waits for a tracked run to settle', async () => { + const detached = createDetachedRuns() + const run = deferred() + detached.track(run.promise) + let drained = false + const draining = detached.drain().then(() => { drained = true }) + // Give the drain every chance to (wrongly) resolve before the run settles. + await new Promise(resolve => setTimeout(resolve, 10)) + expect(drained).toBe(false) + run.resolve() + await draining + expect(drained).toBe(true) + }) + + it('drain waits for a run tracked WHILE a prior wave was settling', async () => { + const detached = createDetachedRuns() + const first = deferred() + const second = deferred() + detached.track(first.promise) + // The late run enters the registry from the first run's own continuation — + // after drain() snapshotted its first wave. + void first.promise.then(() => { detached.track(second.promise) }) + let drained = false + const draining = detached.drain().then(() => { drained = true }) + first.resolve() + await new Promise(resolve => setTimeout(resolve, 10)) + expect(drained).toBe(false) + second.resolve() + await draining + expect(drained).toBe(true) + }) + + it('a rejected tracked run is absorbed by the settlement bookkeeping (drain still resolves)', async () => { + const detached = createDetachedRuns() + const run = deferred() + detached.track(run.promise) + // The caller-side handler every bridge attaches; the tracker's own + // bookkeeping must not depend on it, but an UNHANDLED rejection would fail + // the test run, which is exactly the guarantee under test. + run.promise.catch(() => {}) + run.reject(new Error('hook run boom')) + await expect(detached.drain()).resolves.toBeUndefined() + }) +}) diff --git a/packages/hooks/hook-protocol/tests/events.spec.ts b/packages/hooks/hook-protocol/tests/events.spec.ts index f63ae2a9cb..f978da2645 100644 --- a/packages/hooks/hook-protocol/tests/events.spec.ts +++ b/packages/hooks/hook-protocol/tests/events.spec.ts @@ -1,6 +1,11 @@ import { describe, expect, it } from 'vitest' import { Session, SessionId } from '@deepseek-ai/dsh-session' -import { appendHookInvoked, appendHookResult } from '@deepseek-ai/dsh-hook-protocol' +import { appendHookInvoked, appendHookResult, summarizeStderr, type HookOutput } from '@deepseek-ai/dsh-hook-protocol' + +/** A {@link HookOutput} with the required stream fields defaulted. */ +function output(over: Partial<HookOutput> = {}): HookOutput { + return { exitCode: 0, stderr: '', stdout: '', ...over } +} describe('hook/* session events', () => { it('appendHookInvoked records a log-only hook/invoked (with matcher when present)', () => { @@ -18,7 +23,7 @@ describe('hook/* session events', () => { it('omits matcher when absent (match-all hook)', () => { const session = new Session(SessionId('s')) - appendHookInvoked(session, { turn: 2, point: 'Stop', dialect: 'native', handlerId: 'h2' }) + appendHookInvoked(session, { turn: 2, point: 'Stop', dialect: 'codex', handlerId: 'h2' }) const ev = [...session.events].find(e => e.type === 'hook/invoked') if (ev?.type === 'hook/invoked') { @@ -26,32 +31,72 @@ describe('hook/* session events', () => { } }) - it('appendHookResult records the decided outcome, omitting absent optionals', () => { + it('appendHookResult derives decision/exitCode/stderrSummary from the output', () => { const session = new Session(SessionId('s')) appendHookResult(session, { - turn: 1, point: 'PreToolUse', handlerId: 'h1', decision: 'deny', - exitCode: 2, stderrSummary: 'blocked', durationMs: 12, + turn: 1, point: 'PreToolUse', handlerId: 'h1', + stderrSummaryMaxChars: 500, durationMs: 5, output: output({ exitCode: 2, stderr: 'blocked', decision: 'deny' }), }) const full = [...session.events].find(e => e.type === 'hook/result') if (full?.type === 'hook/result') { - expect(full.data).toMatchObject({ turn: 1, point: 'PreToolUse', handlerId: 'h1', decision: 'deny', exitCode: 2, stderrSummary: 'blocked', durationMs: 12 }) + expect(full.data).toEqual({ turn: 1, point: 'PreToolUse', handlerId: 'h1', decision: 'deny', exitCode: 2, stderrSummary: 'blocked', durationMs: 5 }) } // A result with no exit code / no stderr (e.g. a hook that could not run) omits both keys. const session2 = new Session(SessionId('s2')) - appendHookResult(session2, { turn: 1, point: 'Stop', handlerId: 'h3', decision: 'allow', durationMs: 3 }) + appendHookResult(session2, { + turn: 1, point: 'Stop', handlerId: 'h3', + stderrSummaryMaxChars: 500, durationMs: 5, output: output({ exitCode: undefined, decision: 'allow' }), + }) const sparse = [...session2.events].find(e => e.type === 'hook/result') if (sparse?.type === 'hook/result') { expect('exitCode' in sparse.data).toBe(false) expect('stderrSummary' in sparse.data).toBe(false) - expect(sparse.data.durationMs).toBe(3) + expect(sparse.data.decision).toBe('allow') + } + }) + + it('the decision falls back to stop on continue:false, else pass', () => { + const session = new Session(SessionId('s')) + appendHookResult(session, { turn: 1, point: 'Stop', handlerId: 'halt', stderrSummaryMaxChars: 500, durationMs: 5, output: output({ continue: false }) }) + appendHookResult(session, { turn: 1, point: 'Stop', handlerId: 'noop', stderrSummaryMaxChars: 500, durationMs: 5, output: output() }) + // An explicit decision wins over the continue:false fallback. + appendHookResult(session, { turn: 1, point: 'Stop', handlerId: 'both', stderrSummaryMaxChars: 500, durationMs: 5, output: output({ continue: false, decision: 'block' }) }) + + const decisions = [...session.events] + .filter(e => e.type === 'hook/result') + .map(e => e.type === 'hook/result' ? [e.data.handlerId, e.data.decision] : []) + expect(decisions).toEqual([['halt', 'stop'], ['noop', 'pass'], ['both', 'block']]) + }) + + it('stderrSummary is trimmed and truncated to 500 characters with an ellipsis', () => { + const session = new Session(SessionId('s')) + appendHookResult(session, { + turn: 1, point: 'PreToolUse', handlerId: 'long', + stderrSummaryMaxChars: 500, durationMs: 5, output: output({ exitCode: 2, stderr: ` ${'x'.repeat(600)} ` }), + }) + const ev = [...session.events].find(e => e.type === 'hook/result') + if (ev?.type === 'hook/result') { + expect(ev.data.stderrSummary).toBe('x'.repeat(500) + '…') + } + }) + + it('a 500-character stderr is kept verbatim (the cap is exclusive)', () => { + const session = new Session(SessionId('s')) + appendHookResult(session, { + turn: 1, point: 'PreToolUse', handlerId: 'edge', + stderrSummaryMaxChars: 500, durationMs: 5, output: output({ exitCode: 2, stderr: 'y'.repeat(500) }), + }) + const ev = [...session.events].find(e => e.type === 'hook/result') + if (ev?.type === 'hook/result') { + expect(ev.data.stderrSummary).toBe('y'.repeat(500)) } }) it('an invoked/result pair correlates by handlerId', () => { const session = new Session(SessionId('s')) appendHookInvoked(session, { turn: 1, point: 'PreToolUse', dialect: 'claude', handlerId: 'pair-1' }) - appendHookResult(session, { turn: 1, point: 'PreToolUse', handlerId: 'pair-1', decision: 'allow', exitCode: 0, durationMs: 7 }) + appendHookResult(session, { turn: 1, point: 'PreToolUse', handlerId: 'pair-1', stderrSummaryMaxChars: 500, durationMs: 5, output: output({ decision: 'allow' }) }) const invoked = [...session.events].find(e => e.type === 'hook/invoked') const result = [...session.events].find(e => e.type === 'hook/result') @@ -59,3 +104,20 @@ describe('hook/* session events', () => { expect(result?.type === 'hook/result' && result.data.handlerId).toBe('pair-1') }) }) + +describe('summarizeStderr', () => { + it('returns undefined for empty/whitespace stderr', () => { + expect(summarizeStderr('', 500)).toBeUndefined() + expect(summarizeStderr(' \n\t ', 500)).toBeUndefined() + }) + + it('passes through a summary at or under the cap, trimmed', () => { + expect(summarizeStderr(' blocked: bad tool ', 500)).toBe('blocked: bad tool') + expect(summarizeStderr('abc', 3)).toBe('abc') + }) + + it('truncates past the cap with an ellipsis', () => { + expect(summarizeStderr('abcdef', 4)).toBe('abcd…') + expect(summarizeStderr('x'.repeat(600), 500)).toBe('x'.repeat(500) + '…') + }) +}) diff --git a/packages/hooks/hook-protocol/tests/runner.spec.ts b/packages/hooks/hook-protocol/tests/runner.spec.ts index 1cbe1b46de..6f52198a93 100644 --- a/packages/hooks/hook-protocol/tests/runner.spec.ts +++ b/packages/hooks/hook-protocol/tests/runner.spec.ts @@ -1,6 +1,6 @@ import { describe, expect, it } from 'vitest' import type { BashExecRequest, BashExecSpec, BashExecutor, BashRunResult } from '@deepseek-ai/dsh-bash' -import { runHook } from '@deepseek-ai/dsh-hook-protocol' +import { DEFAULT_HOOK_TIMEOUT_MS, runHook } from '@deepseek-ai/dsh-hook-protocol' /** * A minimal stand-in for the bits of {@link BashExecutor} that {@link runHook} @@ -26,6 +26,7 @@ function recordingBash(run: (spec: BashExecSpec) => Promise<BashRunResult>): { ...request.stdin !== undefined ? { stdin: request.stdin } : {}, ...request.env !== undefined ? { env: request.env } : {}, owner: request.owner, + sandboxMode: request.sandboxMode, } }, async run(spec: BashExecSpec): Promise<BashRunResult> { @@ -89,6 +90,7 @@ describe('runHook — payload + env + stdin plumbing', () => { const { bash, specs } = recordingBash(async () => result()) await runHook(bash, { command: 'h' }, { payload: {}, defaultTimeoutMs: 60000, trailingNewline: true }, clock()) expect(specs[0]!.timeoutMs).toBe(60000) + expect(DEFAULT_HOOK_TIMEOUT_MS).toBe(600_000) // the CC/Codex reference default (10 minutes) }) it('passes the abort signal through', async () => { diff --git a/packages/hooks/hooks-claude/README.md b/packages/hooks/hooks-claude/README.md index ce1c6b090a..306bfdbfeb 100644 --- a/packages/hooks/hooks-claude/README.md +++ b/packages/hooks/hooks-claude/README.md @@ -13,6 +13,7 @@ const config: Config = { pluginRoot: '/path/to/plugin', // optional: replaces ${CLAUDE_PLUGIN_ROOT} in command strings projectDir: '/path/to/project', // optional: replaces ${CLAUDE_PROJECT_DIR} AND sets the hook env var; defaults to the session cwd when omitted defaultTimeoutMs: 600_000, // optional: per-hook timeout when a hook sets none (CC default) + stderrSummaryMaxChars: 500, // optional: char cap on the hook/result event's persisted stderr summary } ``` @@ -25,7 +26,7 @@ In a `cordis.yml`: projectDir: . ``` -The config is parsed **once** at load. `configPath` is **process-level**: a relative path resolves against the process's launch cwd at load time, so a single config applies to the whole process — there is no per-session (`session/new.cwd`) config discovery yet (`TODO(per-session-hook-config)`). A read/parse failure is contained — the bridge logs a warning and registers nothing rather than crashing boot (a typo'd path must not take the agent down). Only `type: 'command'` hooks run; a `prompt`/`agent`/HTTP hook is parsed-and-skipped with a warning. +The config is parsed **once** at load. `configPath` is **process-level**: a relative path resolves against the process's launch cwd at load time, so a single config applies to the whole process — there is no per-session (`session/new.cwd`) config discovery yet (`TODO(per-session-hook-config)`). A read/parse failure is contained — the bridge logs a warning and registers nothing rather than crashing boot (a typo'd path must not take the agent down). Only `type: 'command'` hooks run; a `prompt`/`agent`/HTTP hook is parsed-and-skipped with a warning. A hook with no per-hook `timeout` runs under the protocol's reference default (`DEFAULT_HOOK_TIMEOUT_MS` from `dsh-hook-protocol`, 10 minutes — the CC default). The hooks **themselves** run in the agent's session workspace: for the agent-scoped points the bridge passes the session's `cwd` (the `session/new.cwd`) as the hook process's working directory, so a hook's `pwd`/relative-path/marker operates in the user's project tree, not the server launch dir. @@ -36,11 +37,13 @@ The hooks **themselves** run in the agent's session workspace: for the agent-sco | `SessionStart` | `agent/session-start` (emit) | additionalContext → `agent.inject()` into the new session (cannot block) | | `UserPromptSubmit` | `agent/prompt-submit` (waterfall) | `deny` → `PromptDecision.block`; additionalContext-only → delegate via `next()` then fold context onto the downstream decision (a later listener can still block/rewrite) | | `PreToolUse` | `tools/pre-execute` (waterfall) | `deny` → `PreToolDecision.deny`; `ask` → `PreToolDecision.ask` | -| `PostToolUse` | `tools/post-execute` (waterfall) | `deny` → `block` with feedback; additionalContext-only → delegate via `next()` then fold context onto the downstream decision | +| `PostToolUse` | `tools/post-execute` (waterfall) | `deny` → `block` with feedback; additionalContext-only → delegate via `next()` then fold context onto the downstream decision (a Code Mode sub-call’s context is dropped by the run_code bridge — see [the pipeline doc](../../../docs/tool-execution-pipeline.md)) | | `Stop` | `agent/turn-continuation` (waterfall) | a blocking Stop hook forces `continue`, feeding its reason as next-step steering | | `SubagentStart` | `subagent/start` (emit) | additionalContext → `agent.inject()` into the live child | | `SubagentStop` | `subagent/end` (emit) | observe-only | +The three emit points run detached — no seam awaits a `SessionStart`/`SubagentStart`/`SubagentStop` hook. Each run chain is tracked, and disposing the bridge aborts still-running hook processes, then drains the continuations before the dispose resolves (`createDetachedRuns` in `dsh-hook-protocol`). + The matcher subject is the tool name (`PreToolUse`/`PostToolUse`), the session source (`SessionStart`), or a constant `agent_type` of `general-purpose` (`SubagentStart`/`SubagentStop` — the harness subagent seam carries no per-kind label, so the bridge reports Claude Code's own Task-tool default; a default/`*`/empty `agent_type` matcher fires, a specific-kind matcher does not); `UserPromptSubmit`/`Stop` ignore matchers. Multiple file-configured hooks on one point run **serially, in config order**, and fold most-restrictively (`deny > ask > allow`, see `dsh-hook-protocol`); serial keeps each hook's `hook/invoked`/`hook/result` pair adjacent in the log, and the fold is order-independent for the decision (see the RFC's "run serially, not concurrently" note). ## Context source diff --git a/packages/hooks/hooks-claude/src/config.ts b/packages/hooks/hooks-claude/src/config.ts index d78486e58a..b447c28533 100644 --- a/packages/hooks/hooks-claude/src/config.ts +++ b/packages/hooks/hooks-claude/src/config.ts @@ -43,7 +43,12 @@ function asObject(value: unknown): Record<string, unknown> | undefined { : undefined } -/** Apply `${CLAUDE_PLUGIN_ROOT}` / `${CLAUDE_PROJECT_DIR}` substitution to a command string. */ +/** + * Apply `${CLAUDE_PLUGIN_ROOT}` / `${CLAUDE_PROJECT_DIR}` substitution to a command string. + * @param command - the raw command from config. + * @param vars - the substitution values; a token whose variable is unset stays verbatim. + * @returns the command with every occurrence of each set token replaced. + */ export function substituteCommand(command: string, vars: SubstitutionVars): string { let out = command if (vars.pluginRoot !== undefined) out = out.split('${CLAUDE_PLUGIN_ROOT}').join(vars.pluginRoot) @@ -57,6 +62,9 @@ export function substituteCommand(command: string, vars: SubstitutionVars): stri * Non-command hooks and malformed entries are dropped (recorded in `skipped` / * silently ignored) rather than throwing — a bad hook config must not crash boot. * `vars` are substituted into every surviving `command`. + * @param raw - the parsed JSON config: a settings object with a `hooks` key, or the bare event map. + * @param vars - substitution values applied to every surviving `command` (defaults to none). + * @returns the runnable per-event groups plus the skipped non-command hooks. */ export function parseClaudeConfig(raw: unknown, vars: SubstitutionVars = {}): ParsedClaudeConfig { const config: ClaudeHookConfig = {} diff --git a/packages/hooks/hooks-claude/src/index.ts b/packages/hooks/hooks-claude/src/index.ts index 6151a11c44..d16e26e4a6 100644 --- a/packages/hooks/hooks-claude/src/index.ts +++ b/packages/hooks/hooks-claude/src/index.ts @@ -31,6 +31,9 @@ import type { PostToolDecision, PreToolDecision, ToolExecution, ToolExecutionRes import { appendHookInvoked, appendHookResult, + createDetachedRuns, + DEFAULT_HOOK_TIMEOUT_MS, + DEFAULT_STDERR_SUMMARY_MAX_CHARS, matchesMatcher, mergeHookOutputs, runHook, @@ -73,13 +76,16 @@ export interface Config { projectDir?: string /** Default per-hook timeout in ms when a hook sets none (CC default: 600000). */ defaultTimeoutMs?: number + /** Character cap for the `hook/result` event's persisted stderr summary. */ + stderrSummaryMaxChars?: number } export const Config: z<Config> = z.object({ configPath: z.string().required(), pluginRoot: z.string(), projectDir: z.string(), - defaultTimeoutMs: z.number().default(600_000), + defaultTimeoutMs: z.number().default(DEFAULT_HOOK_TIMEOUT_MS), + stderrSummaryMaxChars: z.number().default(DEFAULT_STDERR_SUMMARY_MAX_CHARS), }) /** A stable per-handler id so an invoked/result pair correlates in the log. */ @@ -91,14 +97,19 @@ function nextHandlerId(point: string): string { /** The `{kind:'plugin'}` source stamped on every context this bridge injects. */ const PLUGIN_SOURCE: MessageSource = { kind: 'plugin', plugin: 'hooks-claude' } -/** Truncate a stderr blob for the `hook/result` summary field. */ -function summarize(stderr: string): string | undefined { - const t = stderr.trim() - if (t.length === 0) return undefined - return t.length > 500 ? t.slice(0, 500) + '…' : t +/** The summary cap bounds a persisted event field — a positive integer or the slice misbehaves silently. */ +function assertPositiveInteger(name: string, value: number): void { + if (!Number.isInteger(value) || value < 1) { + throw new Error(`hooks-claude: ${name} must be a positive integer`) + } } export function apply(ctx: Context, config: Config): void { + // Validate the cap BEFORE the config-file parse: a bad value must fail the + // load loudly, not be skipped by the parse-failure early return. + const stderrSummaryMaxChars = config.stderrSummaryMaxChars ?? DEFAULT_STDERR_SUMMARY_MAX_CHARS + assertPositiveInteger('stderrSummaryMaxChars', stderrSummaryMaxChars) + const defaultTimeoutMs = config.defaultTimeoutMs ?? DEFAULT_HOOK_TIMEOUT_MS // --- Parse the config ONCE at load. A read/parse failure is contained: the // bridge logs and registers nothing rather than crashing boot (a typo'd path // must not take the agent down). --- @@ -118,7 +129,13 @@ export function apply(ctx: Context, config: Config): void { return } - const defaultTimeoutMs = config.defaultTimeoutMs ?? 600_000 + // --- The emit-shaped points (SessionStart, SubagentStart, SubagentStop) run + // detached — no seam awaits them — so every run chain is tracked and disposal + // aborts still-running hook processes, then drains the continuations + // (docs/defensive-patterns.md: dispose must reach quiescence). After the parse + // gate: a bridge that registered nothing has nothing to drain. --- + const detached = createDetachedRuns() + ctx.effect(() => () => detached.drain(), 'hooks-claude: drain detached hook runs') /** * Run every command hook configured for `point` whose matcher selects @@ -165,10 +182,10 @@ export function apply(ctx: Context, config: Config): void { } const { output, durationMs } = await runHook(ctx.bash, hook, { payload, + defaultTimeoutMs, ...hookEnv ? { env: hookEnv } : {}, ...workdir !== undefined ? { cwd: workdir } : {}, ...opts.signal ? { signal: opts.signal } : {}, - defaultTimeoutMs, trailingNewline: true, // Discard a `hookSpecificOutput` block whose `hookEventName` names a // different event than the one firing (the schemas key it by event). @@ -182,14 +199,7 @@ export function apply(ctx: Context, config: Config): void { ctx.logger.warn(`hooks-claude: ${point} hook emitted a systemMessage, which is not yet surfaced (ignored)`) } if (session && opts.turn !== undefined) { - const stderrSummary = summarize(output.stderr) - appendHookResult(session, { - turn: opts.turn, point, handlerId, - decision: output.decision ?? (output.continue === false ? 'stop' : 'pass'), - ...output.exitCode !== undefined ? { exitCode: output.exitCode } : {}, - ...stderrSummary !== undefined ? { stderrSummary } : {}, - durationMs, - }) + appendHookResult(session, { turn: opts.turn, point, handlerId, output, stderrSummaryMaxChars, durationMs }) } } } @@ -236,14 +246,14 @@ export function apply(ctx: Context, config: Config): void { // to the interception seams; today the contract is "injected as soon as the // hook resolves", not "before the first request". --- ctx.on('agent/session-start', (agent, source) => { - void runPoint('SessionStart', source, sessionStartPayload(agent, source), { agent }) + detached.track(runPoint('SessionStart', source, sessionStartPayload(agent, source), { agent, signal: detached.signal }) .then((merged) => { const context = contextFrom(merged) if (context) agent.inject(context.content, { source: context.source }) }) .catch((error: unknown) => { ctx.logger.warn(`hooks-claude: SessionStart hook failed: ${String(error)}`) - }) + })) }) // --- UserPromptSubmit → PromptDecision. The prompt text is the payload; no @@ -329,12 +339,12 @@ export function apply(ctx: Context, config: Config): void { // a specific-kind matcher does not (documented in the RFC). --- ctx.on('subagent/start', (info) => { const child = ctx.get('agents')?.get(info.id) - void runPoint('SubagentStart', SUBAGENT_TYPE, subagentPayload('SubagentStart', info, child), { ...child ? { agent: child } : {} }) + detached.track(runPoint('SubagentStart', SUBAGENT_TYPE, subagentPayload('SubagentStart', info, child), { ...child ? { agent: child } : {}, signal: detached.signal }) .then((merged) => { const context = contextFrom(merged) if (context && child) child.inject(context.content, { source: context.source }) }) - .catch((error: unknown) => { ctx.logger.warn(`hooks-claude: SubagentStart hook failed: ${String(error)}`) }) + .catch((error: unknown) => { ctx.logger.warn(`hooks-claude: SubagentStart hook failed: ${String(error)}`) })) }) ctx.on('subagent/end', (info) => { // Look up the child (still recoverable: `subagent/end` fires from the @@ -342,9 +352,10 @@ export function apply(ctx: Context, config: Config): void { // disposes it) so the hook runs in the child's cwd, not the server default. // No `.then`/inject follows (SubagentStop only observes), and no `turn` is // passed (so no `hook/*` log records), so runPoint has nothing that can - // reject — no `.catch` is needed. Fire-and-forget. + // reject — no `.catch` is needed (the tracker's settlement bookkeeping + // would absorb one anyway). const child = ctx.get('agents')?.get(info.id) - void runPoint('SubagentStop', SUBAGENT_TYPE, subagentPayload('SubagentStop', info, child), { ...child ? { agent: child } : {} }) + detached.track(runPoint('SubagentStop', SUBAGENT_TYPE, subagentPayload('SubagentStop', info, child), { ...child ? { agent: child } : {}, signal: detached.signal })) }) } diff --git a/packages/hooks/hooks-claude/tests/bridge.spec.ts b/packages/hooks/hooks-claude/tests/bridge.spec.ts index 3e36231e66..2cbc995ce3 100644 --- a/packages/hooks/hooks-claude/tests/bridge.spec.ts +++ b/packages/hooks/hooks-claude/tests/bridge.spec.ts @@ -1,8 +1,8 @@ -import { afterEach, describe, expect, it } from 'vitest' -import { mkdtempSync, rmSync, writeFileSync, chmodSync } from 'node:fs' +import { afterEach, describe, expect, it, vi } from 'vitest' +import { chmodSync, existsSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs' import { tmpdir } from 'node:os' import { join } from 'node:path' -import { Context } from 'cordis' +import { Context, type Fiber } from 'cordis' import Loader from '@cordisjs/plugin-loader' import LlmService from '@deepseek-ai/dsh-llm' import SessionStore, { type SessionEvent } from '@deepseek-ai/dsh-session' @@ -39,6 +39,11 @@ function writeConfig(hooks: unknown, scripts: Record<string, string> = {}): stri } async function harness(configDir: string, adapter: MockAdapter): Promise<Context> { + return (await harnessWithFiber(configDir, adapter)).ctx +} + +/** {@link harness}, also exposing the bridge's fiber for tests that dispose it. */ +async function harnessWithFiber(configDir: string, adapter: MockAdapter): Promise<{ ctx: Context; hooks: Fiber }> { const ctx = new Context() await ctx.plugin(LlmService) await ctx.plugin(SessionStore) @@ -47,9 +52,9 @@ async function harness(configDir: string, adapter: MockAdapter): Promise<Context await ctx.plugin(AgentRegistry) await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000 }) - await ctx.plugin(HooksClaude, { configPath: join(configDir, 'hooks.json') }) + const hooks = await ctx.plugin(HooksClaude, { configPath: join(configDir, 'hooks.json') }) ctx.llm.registerAdapter(['mock'], adapter) - return ctx + return { ctx, hooks } } function waitForIdle(ctx: Context, agent: ReactLoopAgent): Promise<void> { @@ -285,19 +290,59 @@ describe('hooks-claude bridge — SubagentStart / SubagentStop (observe)', () => } })) const adapter = new MockAdapter([]) - const ctx = await harness(dir, adapter) + const { ctx, hooks } = await harnessWithFiber(dir, adapter) // Drive the observe-only lifecycle events directly (no real child needed — the - // bridge just listens). The agents registry is absent here, so SubagentStart's + // bridge just listens). No child agent is registered, so SubagentStart's // child lookup yields undefined and it simply runs the hook. ctx.emit('subagent/start', { provider: 'inproc', id: AgentId('child-1') }) ctx.emit('subagent/end', { provider: 'inproc', id: AgentId('child-1'), stopReason: 'completed', lastAssistantMessage: [{ type: 'text', text: 'done' }] }) // Both hooks run async (detached .then); poll for their marker files rather // than a fixed sleep that flakes under load. - const { existsSync } = await import('node:fs') await waitFor(() => existsSync(startMarker) && existsSync(stopMarker)) expect(existsSync(startMarker)).toBe(true) expect(existsSync(stopMarker)).toBe(true) + // The markers prove the hook PROCESSES ran, not that the detached `.then` + // continuations did (`touch` lands before the process exits). Dispose drains + // them, so the no-context arm of the SubagentStart continuation — covered + // only here — executes before this file's coverage snapshot instead of + // racing it (the arm went uncovered on a loaded CI runner and failed the + // per-file 100% branch gate). + await hooks.dispose() + }) + + it('disposing the bridge aborts a still-running hook and drains to quiescence', async () => { + const dir = mkdtempSync(join(tmpdir(), 'dsh-hooks-claude-')) + dirs.push(dir) + const pidFile = join(dir, 'pid') + const marker = join(dir, 'started') + const slowHook = join(dir, 'slow.sh') + // Record the hook shell's PID and touch the marker FIRST so the test can + // tell "the hook is genuinely mid-run", then sleep far past the suite + // timeout. Dispose must KILL the process (the tracker's abort signal), not + // await its exit or its 10-minute default hook timeout. + writeFileSync(slowHook, `#!/usr/bin/env bash\necho $$ > "${pidFile}"\ntouch "${marker}"\nsleep 30\n`) + chmodSync(slowHook, 0o755) + writeFileSync(join(dir, 'hooks.json'), JSON.stringify({ hooks: { + SubagentStart: [{ hooks: [{ type: 'command', command: slowHook }] }], + } })) + + const { ctx, hooks } = await harnessWithFiber(dir, new MockAdapter([])) + const warn = vi.fn() + ctx.logger.warn = warn as never + ctx.emit('subagent/start', { provider: 'inproc', id: AgentId('child-1') }) + await waitFor(() => existsSync(marker)) + const pid = Number(readFileSync(pidFile, 'utf8').trim()) + await hooks.dispose() + // Quiescence, not just promptness: the drain resolves only after the run + // settled, and the run settles only after the killed process was reaped — + // so by the time dispose returns, the PID must be GONE (kill(pid, 0) + // throws ESRCH). An untracked fire-and-forget regression would leave the + // process alive (or unreaped) and fail this deterministically. + expect(() => process.kill(pid, 0)).toThrow() + // The aborted run resolves as a non-blocking error (runHook never rejects), + // so the drained continuation must NOT have logged a failure. + expect(warn).not.toHaveBeenCalledWith(expect.stringContaining('SubagentStart hook failed')) }) }) diff --git a/packages/hooks/hooks-claude/tests/coverage.spec.ts b/packages/hooks/hooks-claude/tests/coverage.spec.ts index 63e2f611ce..f06cdcf6b4 100644 --- a/packages/hooks/hooks-claude/tests/coverage.spec.ts +++ b/packages/hooks/hooks-claude/tests/coverage.spec.ts @@ -27,7 +27,7 @@ function hooks(d: string, h: unknown): string { writeFileSync(join(d, 'hooks.json'), JSON.stringify({ hooks: h })); return join(d, 'hooks.json') } -type HarnessOpts = { pluginRoot?: string; projectDir?: string } +type HarnessOpts = { pluginRoot?: string; projectDir?: string; stderrSummaryMaxChars?: number } async function harness(configPath: string, adapter: MockAdapter, opts: HarnessOpts = {}): Promise<Context> { const ctx = new Context() await ctx.plugin(LlmService) @@ -139,6 +139,31 @@ describe('hooks-claude coverage — empty/no-op outcomes and no-agent paths', () await waitForIdle(ctx, agent) const res = events(agent).find(e => e.type === 'hook/result') expect(res?.type === 'hook/result' && res.data.stderrSummary?.endsWith('…')).toBe(true) + expect(res?.type === 'hook/result' && res.data.stderrSummary?.length).toBe(501) // default 500-char cap + ellipsis + }) + + it('rejects a non-positive or fractional stderrSummaryMaxChars at load', async () => { + const d = dir() + const path = hooks(d, {}) + for (const bad of [0, -5, 1.5, Number.NaN]) { + const adapter = new MockAdapter([]) + await expect(harness(path, adapter, { stderrSummaryMaxChars: bad })) + .rejects.toThrow(/hooks-claude: stderrSummaryMaxChars must be a positive integer/) + } + }) + + it('the stderr summary cap is plugin config (stderrSummaryMaxChars)', async () => { + const d = dir() + const s = sh(d, 'long.sh', '#!/usr/bin/env bash\nprintf "x%.0s" {1..600} >&2\nexit 2\n') + const path = hooks(d, { PreToolUse: [{ hooks: [{ type: 'command', command: s }] }] }) + const adapter = new MockAdapter([toolCallResponse('c1', 'echo', {}), textResponse('done')]) + const ctx = await harness(path, adapter, { stderrSummaryMaxChars: 40 }) + ctx.tools.register(defineTool({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } })) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]) + await waitForIdle(ctx, agent) + const res = events(agent).find(e => e.type === 'hook/result') + expect(res?.type === 'hook/result' && res.data.stderrSummary).toBe('x'.repeat(40) + '…') }) }) @@ -297,8 +322,8 @@ describe('hooks-claude coverage — more default/sparse arms', () => { }) }) -describe('hooks-claude coverage — schema-bypass default + unspawnable hook', () => { - it('a direct apply() (schema bypass) defaults the timeout and runs', async () => { +describe('hooks-claude coverage — schema-bypass apply + unspawnable hook', () => { + it('a direct apply() (schema bypass) with only configPath runs', async () => { const d = dir() const marker = join(d, 'ran') const s = sh(d, 'h.sh', `#!/usr/bin/env bash\ntouch "${marker}"\n`) @@ -312,8 +337,9 @@ describe('hooks-claude coverage — schema-bypass default + unspawnable hook', ( await ctx.plugin(AgentRegistry) await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000 }) - // Direct apply with only configPath — bypasses schemastery's defaults, so the - // runtime `defaultTimeoutMs ?? 600_000` fallback is exercised. + // Direct apply with only configPath — bypasses schemastery's defaults, so + // the bridge must run on the raw minimal config (the per-hook timeout is + // the protocol lib's reference default, not a config knob). HooksClaude.apply(ctx, { configPath: join(d, 'hooks.json') }) ctx.llm.registerAdapter(['mock'], adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) diff --git a/packages/hooks/hooks-codex/README.md b/packages/hooks/hooks-codex/README.md index 72be33f57f..b3fbc39928 100644 --- a/packages/hooks/hooks-codex/README.md +++ b/packages/hooks/hooks-codex/README.md @@ -20,6 +20,7 @@ const config: Config = { configPath: '/path/to/.codex/hooks.json', // required model: 'deepseek-v4', // optional: stamped on every payload (Codex includes `model`) defaultTimeoutMs: 600_000, // optional: per-hook timeout when a hook sets none + stderrSummaryMaxChars: 500, // optional: char cap on the hook/result event's persisted stderr summary } ``` @@ -31,7 +32,7 @@ In a `cordis.yml`: model: deepseek-v4 ``` -The config is parsed **once** at load. `configPath` is **process-level** — a relative path resolves against the process launch cwd at load time, not per-session (`TODO(per-session-hook-config)`). A read/parse failure is contained (logs + registers nothing). Only sync `type: 'command'` hooks run — a non-command or `async: true` hook is parsed-and-skipped with a warning. A hook accepts `timeout` or the `timeoutSec` alias. Events outside the five Codex points are dropped at parse. +The config is parsed **once** at load. `configPath` is **process-level** — a relative path resolves against the process launch cwd at load time, not per-session (`TODO(per-session-hook-config)`). A read/parse failure is contained (logs + registers nothing). Only sync `type: 'command'` hooks run — a non-command or `async: true` hook is parsed-and-skipped with a warning. A hook accepts `timeout` or the `timeoutSec` alias; one that sets neither runs under the protocol's reference default (`DEFAULT_HOOK_TIMEOUT_MS` from `dsh-hook-protocol`, 10 minutes). Events outside the five Codex points are dropped at parse. The hooks themselves run in the agent's session workspace: for the agent-scoped points the bridge passes the session's `cwd` as the hook process's working directory, so a hook operates in the user's project tree, not the server launch dir. @@ -42,11 +43,13 @@ The hooks themselves run in the agent's session workspace: for the agent-scoped | `SessionStart` | `agent/session-start` (emit) | a plain-stdout hook's output → additionalContext → `agent.inject()` | | `UserPromptSubmit` | `agent/prompt-submit` (waterfall) | `block` (exit 2) → `PromptDecision.block`; additionalContext-only → delegate via `next()` then fold context onto the downstream decision | | `PreToolUse` | `tools/pre-execute` (waterfall) | `block` → `PreToolDecision.deny` (no `allow`/`ask`) | -| `PostToolUse` | `tools/post-execute` (waterfall) | `block` → `block` with feedback; additionalContext-only → delegate via `next()` then fold context onto the downstream decision | +| `PostToolUse` | `tools/post-execute` (waterfall) | `block` → `block` with feedback; additionalContext-only → delegate via `next()` then fold context onto the downstream decision (a Code Mode sub-call’s context is dropped by the run_code bridge — see [the pipeline doc](../../../docs/tool-execution-pipeline.md)) | | `Stop` | `agent/turn-continuation` (waterfall) | a blocking Stop hook forces `continue` with the reason as next-step steering | A tool call's payload carries the real `tool_name` (the same value the matcher tests) and Codex's `tool_input: { command }` shape (the `command` arg when present, else `''`). The matcher subject is the tool name (`PreToolUse`/`PostToolUse`) or the session source (`SessionStart`); `UserPromptSubmit`/`Stop` ignore matchers. +`SessionStart` — the one emit point — runs detached; each run chain is tracked, and disposing the bridge aborts a still-running hook process, then drains the continuation before the dispose resolves (`createDetachedRuns` in `dsh-hook-protocol`). + ## Context source Injected context carries an explicit `{ kind: 'plugin', plugin: 'hooks-codex' }` source (`agent.inject()` would otherwise default it to `{ kind: 'user' }`). diff --git a/packages/hooks/hooks-codex/src/config.ts b/packages/hooks/hooks-codex/src/config.ts index 411f058eea..505f8d2bda 100644 --- a/packages/hooks/hooks-codex/src/config.ts +++ b/packages/hooks/hooks-codex/src/config.ts @@ -41,6 +41,8 @@ function asObject(value: unknown): Record<string, unknown> | undefined { * `type !== 'command'` and `async: true` command hooks are skipped (recorded in * `skipped`). Malformed entries are ignored rather than thrown — a bad config * must not crash boot. No command substitution (Codex does none). + * @param raw - the parsed JSON config: a `{ hooks: … }` wrapper or the bare event map. + * @returns the runnable per-event groups plus the skipped hooks with their reasons. */ export function parseCodexConfig(raw: unknown): ParsedCodexConfig { const config: CodexHookConfig = {} diff --git a/packages/hooks/hooks-codex/src/index.ts b/packages/hooks/hooks-codex/src/index.ts index a704a6af24..e164d98a70 100644 --- a/packages/hooks/hooks-codex/src/index.ts +++ b/packages/hooks/hooks-codex/src/index.ts @@ -24,6 +24,9 @@ import type { PostToolDecision, PreToolDecision, ToolExecution, ToolExecutionRes import { appendHookInvoked, appendHookResult, + createDetachedRuns, + DEFAULT_HOOK_TIMEOUT_MS, + DEFAULT_STDERR_SUMMARY_MAX_CHARS, matchesMatcher, mergeHookOutputs, runHook, @@ -49,12 +52,15 @@ export interface Config { model?: string /** Default per-hook timeout in ms when a hook sets none (Codex default: 600000). */ defaultTimeoutMs?: number + /** Character cap for the `hook/result` event's persisted stderr summary. */ + stderrSummaryMaxChars?: number } export const Config: z<Config> = z.object({ configPath: z.string().required(), model: z.string().default(''), - defaultTimeoutMs: z.number().default(600_000), + defaultTimeoutMs: z.number().default(DEFAULT_HOOK_TIMEOUT_MS), + stderrSummaryMaxChars: z.number().default(DEFAULT_STDERR_SUMMARY_MAX_CHARS), }) let handlerCounter = 0 @@ -64,13 +70,19 @@ function nextHandlerId(point: string): string { const PLUGIN_SOURCE: MessageSource = { kind: 'plugin', plugin: 'hooks-codex' } -function summarize(stderr: string): string | undefined { - const t = stderr.trim() - if (t.length === 0) return undefined - return t.length > 500 ? t.slice(0, 500) + '…' : t +/** The summary cap bounds a persisted event field — a positive integer or the slice misbehaves silently. */ +function assertPositiveInteger(name: string, value: number): void { + if (!Number.isInteger(value) || value < 1) { + throw new Error(`hooks-codex: ${name} must be a positive integer`) + } } export function apply(ctx: Context, config: Config): void { + // Validate the cap BEFORE the config-file parse: a bad value must fail the + // load loudly, not be skipped by the parse-failure early return. + const stderrSummaryMaxChars = config.stderrSummaryMaxChars ?? DEFAULT_STDERR_SUMMARY_MAX_CHARS + assertPositiveInteger('stderrSummaryMaxChars', stderrSummaryMaxChars) + const defaultTimeoutMs = config.defaultTimeoutMs ?? DEFAULT_HOOK_TIMEOUT_MS let parsed: CodexHookConfig = {} try { const raw: unknown = JSON.parse(readFileSync(config.configPath, 'utf8')) @@ -84,9 +96,14 @@ export function apply(ctx: Context, config: Config): void { return } - const defaultTimeoutMs = config.defaultTimeoutMs ?? 600_000 const model = config.model ?? '' + // SessionStart is the one emit-shaped (detached) point Codex has: track its + // run chains so disposal aborts a still-running hook process and drains the + // continuation (docs/defensive-patterns.md: dispose must reach quiescence). + const detached = createDetachedRuns() + ctx.effect(() => () => detached.drain(), 'hooks-codex: drain detached hook runs') + async function runPoint( point: string, matchQuery: string, @@ -113,9 +130,9 @@ export function apply(ctx: Context, config: Config): void { } const { output, durationMs } = await runHook(ctx.bash, hook, { payload, + defaultTimeoutMs, ...workdir !== undefined ? { cwd: workdir } : {}, ...opts.signal ? { signal: opts.signal } : {}, - defaultTimeoutMs, trailingNewline: false, // Codex writes stdin WITHOUT a trailing newline. // Discard a `hookSpecificOutput` block naming a different event. expectedEventName: point, @@ -140,14 +157,7 @@ export function apply(ctx: Context, config: Config): void { ctx.logger.warn(`hooks-codex: ${point} hook emitted a systemMessage, which is not yet surfaced (ignored)`) } if (session && opts.turn !== undefined) { - const stderrSummary = summarize(output.stderr) - appendHookResult(session, { - turn: opts.turn, point, handlerId, - decision: output.decision ?? (output.continue === false ? 'stop' : 'pass'), - ...output.exitCode !== undefined ? { exitCode: output.exitCode } : {}, - ...stderrSummary !== undefined ? { stderrSummary } : {}, - durationMs, - }) + appendHookResult(session, { turn: opts.turn, point, handlerId, output, stderrSummaryMaxChars, durationMs }) } } } @@ -186,12 +196,12 @@ export function apply(ctx: Context, config: Config): void { // the model (a slow hook can miss the first request). Gating is a deferred // loop-level change; the contract is "injected as soon as the hook resolves". ctx.on('agent/session-start', (agent, source) => { - void runPoint('SessionStart', source, { ...base(agent, 'SessionStart', model), source }, { agent, plainStdoutAsContext: true }) + detached.track(runPoint('SessionStart', source, { ...base(agent, 'SessionStart', model), source }, { agent, plainStdoutAsContext: true, signal: detached.signal }) .then((merged) => { const context = contextFrom(merged) if (context) agent.inject(context.content, { source: context.source }) }) - .catch((error: unknown) => { ctx.logger.warn(`hooks-codex: SessionStart hook failed: ${String(error)}`) }) + .catch((error: unknown) => { ctx.logger.warn(`hooks-codex: SessionStart hook failed: ${String(error)}`) })) }) // UserPromptSubmit → PromptDecision. Codex can only BLOCK (no allow/ask). diff --git a/packages/hooks/hooks-codex/tests/bridge.spec.ts b/packages/hooks/hooks-codex/tests/bridge.spec.ts index 0148da104e..e0677306b0 100644 --- a/packages/hooks/hooks-codex/tests/bridge.spec.ts +++ b/packages/hooks/hooks-codex/tests/bridge.spec.ts @@ -1,5 +1,5 @@ -import { afterEach, describe, expect, it } from 'vitest' -import { mkdtempSync, rmSync, writeFileSync, chmodSync } from 'node:fs' +import { afterEach, describe, expect, it, vi } from 'vitest' +import { chmodSync, existsSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs' import { tmpdir } from 'node:os' import { join } from 'node:path' import { Context } from 'cordis' @@ -62,6 +62,15 @@ function waitForIdle(ctx: Context, agent: ReactLoopAgent): Promise<void> { } function events(agent: ReactLoopAgent): SessionEvent[] { return [...agent.session.events] } +/** Poll `predicate` until true or the deadline passes (detached hook effects can't be awaited directly). */ +async function waitFor(predicate: () => boolean, timeout = 5000, interval = 10): Promise<void> { + const deadline = Date.now() + timeout + while (!predicate()) { + if (Date.now() > deadline) throw new Error('waitFor: condition not met before deadline') + await new Promise(r => setTimeout(r, interval)) + } +} + describe('hooks-codex bridge', () => { it('a PreToolUse hook (exit 2) denies a tool the regex matcher matches as a substring', async () => { const dir = configDir() @@ -159,6 +168,43 @@ describe('hooks-codex bridge', () => { expect(events(agent).some(e => e.type === 'hook/invoked')).toBe(false) // no hook ran }) + it('disposing the bridge aborts a still-running SessionStart hook and drains to quiescence', async () => { + const dir = configDir() + const pidFile = join(dir, 'pid') + const marker = join(dir, 'started') + // Record the hook shell's PID and touch the marker FIRST so the test can + // tell "the hook is genuinely mid-run", then sleep far past the suite + // timeout. Dispose must KILL the process (the tracker's abort signal wired + // through this bridge's runPoint), not await its exit. + const slow = script(dir, 'slow.sh', `#!/usr/bin/env bash\necho $$ > "${pidFile}"\ntouch "${marker}"\nsleep 30\n`) + writeHooks(dir, { SessionStart: [{ hooks: [{ type: 'command', command: slow }] }] }) + const ctx = new Context() + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000 }) + const fiber = await ctx.plugin(HooksCodex, { configPath: join(dir, 'hooks.json'), model: 'm' }) + ctx.llm.registerAdapter(['mock'], new MockAdapter([])) + const warn = vi.fn() + ctx.logger.warn = warn as never + ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) // fires agent/session-start + await waitFor(() => existsSync(marker)) + const pid = Number(readFileSync(pidFile, 'utf8').trim()) + await fiber.dispose() + // Quiescence, not just promptness: the drain resolves only after the run + // settled, and the run settles only after the killed process was reaped — + // so by the time dispose returns, the PID must be GONE (kill(pid, 0) + // throws ESRCH). An untracked fire-and-forget regression would leave the + // process alive (or unreaped) and fail this deterministically. + expect(() => process.kill(pid, 0)).toThrow() + // The aborted run resolves as a non-blocking error (runHook never rejects), + // so the drained continuation must NOT have logged a failure. + expect(warn).not.toHaveBeenCalledWith(expect.stringContaining('SessionStart hook failed')) + }) + it('has the namespace-plugin export shape (no stray default) so the Loader keeps name/inject/apply', () => { expect('default' in HooksCodex).toBe(false) expect(HooksCodex.name).toBe('hooks-codex') diff --git a/packages/hooks/hooks-codex/tests/coverage.spec.ts b/packages/hooks/hooks-codex/tests/coverage.spec.ts index 87032c98ce..c83137df53 100644 --- a/packages/hooks/hooks-codex/tests/coverage.spec.ts +++ b/packages/hooks/hooks-codex/tests/coverage.spec.ts @@ -23,12 +23,12 @@ function hooks(d: string, h: unknown): string { writeFileSync(join(d, 'hooks.json'), JSON.stringify({ hooks: h })); return join(d, 'hooks.json') } -async function harness(configPath: string, adapter: MockAdapter): Promise<Context> { +async function harness(configPath: string, adapter: MockAdapter, opts: { stderrSummaryMaxChars?: number } = {}): Promise<Context> { const ctx = new Context() await ctx.plugin(LlmService); await ctx.plugin(SessionStore); await ctx.plugin(SystemPrompt) await ctx.plugin(ToolRegistry); await ctx.plugin(AgentRegistry); await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000 }) - await ctx.plugin(HooksCodex, { configPath, model: 'm' }) + await ctx.plugin(HooksCodex, { configPath, model: 'm', ...opts }) ctx.llm.registerAdapter(['mock'], adapter) return ctx } @@ -204,9 +204,32 @@ describe('hooks-codex coverage — decision mapping paths', () => { agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent) const res = events(agent).find(e => e.type === 'hook/result') expect(res?.type === 'hook/result' && res.data.stderrSummary?.endsWith('…')).toBe(true) + expect(res?.type === 'hook/result' && res.data.stderrSummary?.length).toBe(501) // default 500-char cap + ellipsis }) - it('warns on a skipped async hook and a direct apply() defaults the timeout', async () => { + it('rejects a non-positive or fractional stderrSummaryMaxChars at load', async () => { + const d = dir() + hooks(d, {}) + for (const bad of [0, -5, 1.5, Number.NaN]) { + const adapter = new MockAdapter([]) + await expect(harness(join(d, 'hooks.json'), adapter, { stderrSummaryMaxChars: bad })) + .rejects.toThrow(/hooks-codex: stderrSummaryMaxChars must be a positive integer/) + } + }) + + it('the stderr summary cap is plugin config (stderrSummaryMaxChars)', async () => { + const d = dir() + hooks(d, { PreToolUse: [{ hooks: [{ type: 'command', command: sh(d, 'l.sh', '#!/usr/bin/env bash\nprintf "x%.0s" {1..600} >&2\nexit 2\n') }] }] }) + const adapter = new MockAdapter([toolCallResponse('c1', 'Bash', { command: 'x' }), textResponse('done')]) + const ctx = await harness(join(d, 'hooks.json'), adapter, { stderrSummaryMaxChars: 40 }) + ctx.tools.register(defineTool({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } })) + const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) + agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent) + const res = events(agent).find(e => e.type === 'hook/result') + expect(res?.type === 'hook/result' && res.data.stderrSummary).toBe('x'.repeat(40) + '…') + }) + + it('warns on a skipped async hook and a direct apply() (schema bypass) runs', async () => { const d = dir() const marker = join(d, 'ran') hooks(d, { UserPromptSubmit: [{ hooks: [ @@ -220,7 +243,7 @@ describe('hooks-codex coverage — decision mapping paths', () => { await ctx.plugin(ToolRegistry); await ctx.plugin(AgentRegistry); await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000 }) ctx.logger.warn = warn as never - // Direct apply (schema bypass) → defaultTimeoutMs ?? 600_000 + model ?? '' fallbacks. + // Direct apply (schema bypass) → the `model ?? ''` fallback is exercised. HooksCodex.apply(ctx, { configPath: join(d, 'hooks.json') }) ctx.llm.registerAdapter(['mock'], adapter) const agent = ctx.agentLoop.create(AgentId('a1'), { model: 'mock' }) diff --git a/packages/llm/llm-deepseek/README.md b/packages/llm/llm-deepseek/README.md index 76af182580..15fad9f881 100644 --- a/packages/llm/llm-deepseek/README.md +++ b/packages/llm/llm-deepseek/README.md @@ -23,18 +23,19 @@ A second, independent implementation of the same seam exists in `@deepseek-ai/ds `thinking`/`reasoningEffort` are adapter-level request defaults serialized as the official top-level `thinking: {type}` / `reasoning_effort` wire fields. They live in adapter config (not `GenerateOptions`) to keep the core vocabulary provider-neutral. +## App attribution + +Every request carries the shared attribution header from dsh-llm's `attributionHeaders()` - the mandatory `User-Agent` baseline identifying the harness (see [dsh-llm § App attribution](../llm/README.md#app-attribution-attributionts)). Direct DeepSeek requests and OpenAI-compatible gateway requests get no provider-specific app-attribution headers under this adapter contract; OpenRouter app attribution is deferred to a future explicit OpenRouter adapter or mode. + ## Wire-format notes (verified live + against the official docs) - Streaming only (`stream_options.include_usage` always on). `usage` may arrive attached to the finish chunk or as a trailing usage-only chunk — the translator defers both to `[DONE]`, so `usage` always precedes `finish` and nothing follows `finish`. - The first thinking-mode chunk carries `reasoning_content: ""` — handled (no spurious reasoning block). - **Reasoning passback rule**: on assistant turns that carried tool calls, `reasoning_content` is serialized back in history (required by the API in thinking mode); on tool-call-free turns it is dropped (ignored anyway — saves tokens). -- `strict` on tool schemas passes through (officially Beta; the public API wants the `/beta` base URL for it, the internal endpoint accepts it directly). - Cache accounting: `cacheReadTokens` ← `prompt_cache_hit_tokens` / `prompt_tokens_details.cached_tokens`; DeepSeek reports no cache-write metric. ## Limitations (MVP, documented deliberately) -- `prefill` throws `LlmError('UNSUPPORTED')` — DeepSeek's chat-prefix completion is a Beta feature on the `/beta` base URL; future work. -- `image` blocks are skipped (no vision support on these models). - `tool_choice` is not mapped (not part of the core vocabulary). ## Errors diff --git a/packages/llm/llm-deepseek/src/adapter.ts b/packages/llm/llm-deepseek/src/adapter.ts index fda527359a..e0627c5695 100644 --- a/packages/llm/llm-deepseek/src/adapter.ts +++ b/packages/llm/llm-deepseek/src/adapter.ts @@ -5,7 +5,7 @@ * @module dsh-llm-deepseek/adapter */ -import { LlmAdapter, LlmError } from '@deepseek-ai/dsh-llm' +import { attributionHeaders, LlmAdapter, LlmError } from '@deepseek-ai/dsh-llm' import type { GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm' import { serializeRequest } from './serialize.ts' import type { RequestDefaults } from './serialize.ts' @@ -13,7 +13,9 @@ import { parseSse } from './sse.ts' import { translate } from './translate.ts' import type { WireError } from './types.ts' +/** Constructor options for {@link DeepSeekAdapter}; the plugin's `apply` resolves them from Config + environment. */ export interface DeepSeekAdapterOptions { + /** Bearer token sent in the `authorization` header on every request. */ apiKey: string /** Endpoint base; `/chat/completions` is appended. */ baseURL: string @@ -22,13 +24,10 @@ export interface DeepSeekAdapterOptions { } /** - * Attribution header sent on every request so the provider can identify the - * client. Bump in lockstep with this package's version (no build-time version - * injection is wired in this repo yet). + * Map an HTTP status to a stable LlmError code. + * @param status - status of a non-2xx provider response. + * @returns `AUTH` (401/403), `RATE_LIMIT` (429), `INVALID_REQUEST` (400), `SERVER` (5xx), or `HTTP_<status>` for anything else. */ -const USER_AGENT = 'deepseek-harness/0.0.1' - -/** Map an HTTP status to a stable LlmError code. */ export function httpErrorCode(status: number): string { if (status === 401 || status === 403) return 'AUTH' if (status === 429) return 'RATE_LIMIT' @@ -67,7 +66,7 @@ export class DeepSeekAdapter extends LlmAdapter { 'authorization': `Bearer ${this.options.apiKey}`, 'content-type': 'application/json', 'accept': 'text/event-stream', - 'user-agent': USER_AGENT, + ...attributionHeaders(), }, body: JSON.stringify(body), ...options.signal ? { signal: options.signal } : {}, diff --git a/packages/llm/llm-deepseek/src/index.ts b/packages/llm/llm-deepseek/src/index.ts index 79313f910f..3a3d7bb4a1 100644 --- a/packages/llm/llm-deepseek/src/index.ts +++ b/packages/llm/llm-deepseek/src/index.ts @@ -34,6 +34,12 @@ export type * from './types.ts' export const name = 'llm-deepseek' export const inject = ['llm'] +/** + * Plugin config, validated by the same-named schemastery schema. Every field + * is optional in yml: credentials/endpoint fall back to the environment (a + * missing API key fails plugin load, not the first call), and omitted + * thinking fields send nothing on the wire, so the provider default applies. + */ export interface Config { /** API key; falls back to $DEEPSEEK_API_KEY. Required one way or the other. */ apiKey?: string diff --git a/packages/llm/llm-deepseek/src/serialize.ts b/packages/llm/llm-deepseek/src/serialize.ts index 4e967d6667..10ef905d7e 100644 --- a/packages/llm/llm-deepseek/src/serialize.ts +++ b/packages/llm/llm-deepseek/src/serialize.ts @@ -11,12 +11,10 @@ * rule for thinking mode — required there, ignored elsewhere, so we save * the tokens elsewhere); `tool-call` → `tool_calls[]` * - `tool-result` → its own `{role: 'tool'}` message (text flattened) - * - `image` → skipped (MVP limitation, documented in the README) * * @module dsh-llm-deepseek/serialize */ -import { LlmError } from '@deepseek-ai/dsh-llm' import type { ContentBlock, GenerateOptions, Message } from '@deepseek-ai/dsh-llm' import type { WireMessage, WireRequest, WireTool } from './types.ts' @@ -68,6 +66,8 @@ function serializeAssistant(message: Message): WireMessage { * `{role: 'tool'}` messages; the harness puts each tool result in its own * user-role message, so a mixed user message contributes its text first and * its tool results as separate wire messages after. + * @param messages - the harness conversation, in order. + * @returns the wire messages; order preserved, each tool result expanded into its own entry. */ export function serializeMessages(messages: Message[]): WireMessage[] { const wire: WireMessage[] = [] @@ -100,18 +100,14 @@ export function serializeMessages(messages: Message[]): WireMessage[] { } /** - * Build the full wire request. Throws `LlmError('UNSUPPORTED')` for - * `prefill` (DeepSeek's chat-prefix completion is a Beta feature on a - * different base URL — see README). + * Build the full wire request. Always streaming (`stream: true`, usage + * reporting on); optional fields are omitted rather than sent as null, so + * provider defaults apply. + * @param options - the harness request (model, history, system, tools, sampling). + * @param defaults - adapter-level thinking defaults; undefined fields put nothing on the wire. + * @returns the chat-completions request body. */ export function serializeRequest(options: GenerateOptions, defaults: RequestDefaults = {}): WireRequest { - if (options.prefill !== undefined) { - throw new LlmError( - 'prefill is not supported by the DeepSeek adapter (Beta chat-prefix completion is future work)', - 'UNSUPPORTED', - ) - } - const messages: WireMessage[] = [] if (options.system !== undefined) { messages.push({ role: 'system', content: options.system }) @@ -124,8 +120,6 @@ export function serializeRequest(options: GenerateOptions, defaults: RequestDefa name: tool.name, description: tool.description, parameters: tool.parameters, - // strict is officially supported (Beta); pass the tool author's choice. - ...tool.strict !== undefined ? { strict: tool.strict } : {}, }, })) diff --git a/packages/llm/llm-deepseek/src/sse.ts b/packages/llm/llm-deepseek/src/sse.ts index 252870471a..6856289aec 100644 --- a/packages/llm/llm-deepseek/src/sse.ts +++ b/packages/llm/llm-deepseek/src/sse.ts @@ -37,6 +37,8 @@ function eventData(block: string): string | undefined { * Parse a byte stream into SSE data payloads. Yields `[DONE]` as the final * value and returns; throws `LlmError('STREAM_CLOSED')` when the stream ends * without it (truncated response — the model call cannot be trusted). + * @param stream - raw SSE bytes; reads may split anywhere, including mid-UTF-8 sequence. + * @returns each event's data payload in arrival order, the `[DONE]` sentinel last. */ export async function* parseSse(stream: AsyncIterable<Uint8Array>): AsyncGenerator<string> { const decoder = new TextDecoder() diff --git a/packages/llm/llm-deepseek/src/translate.ts b/packages/llm/llm-deepseek/src/translate.ts index 08cc019b61..cd6bc8f108 100644 --- a/packages/llm/llm-deepseek/src/translate.ts +++ b/packages/llm/llm-deepseek/src/translate.ts @@ -29,7 +29,11 @@ interface OpenBlock { name?: string } -/** Map the wire finish_reason vocabulary to the harness FinishReason. */ +/** + * Map the wire finish_reason vocabulary to the harness FinishReason. + * @param reason - the wire `finish_reason` string. + * @returns the mapped reason; unrecognized values (content_filter, …) become `{kind: 'error'}` with the uppercased value as `code`. + */ export function mapFinishReason(reason: string): FinishReason { switch (reason) { case 'stop': return { kind: 'stop' } @@ -46,6 +50,8 @@ export function mapFinishReason(reason: string): FinishReason { * (`prompt_tokens = prompt_cache_hit_tokens + prompt_cache_miss_tokens`, * api/create-chat-completion); the harness TokenUsage convention is * DISJOINT counts, so cache reads are subtracted out of `inputTokens`. + * @param usage - wire usage from the finish chunk or the trailing usage-only chunk. + * @returns disjoint harness counts; cache/reasoning fields present only when the wire reported them. */ export function mapUsage(usage: WireUsage): TokenUsage { const cacheRead = usage.prompt_tokens_details?.cached_tokens ?? usage.prompt_cache_hit_tokens @@ -75,6 +81,8 @@ function closeBlock(block: OpenBlock): ContentBlock { /** * Consume SSE data payloads (ending with `[DONE]`) and yield StreamChunks. * Malformed JSON payloads abort the stream with `MALFORMED_RESPONSE`. + * @param payloads - SSE data payloads from {@link parseSse}, `[DONE]`-terminated. + * @returns deltas as they arrive; `block-end`s, `usage`, and `finish` are all deferred to the `[DONE]` sentinel. */ export async function* translate(payloads: AsyncIterable<string>): AsyncGenerator<StreamChunk> { let nextIndex = 0 diff --git a/packages/llm/llm-deepseek/src/types.ts b/packages/llm/llm-deepseek/src/types.ts index 5c212897fd..a9d7403a35 100644 --- a/packages/llm/llm-deepseek/src/types.ts +++ b/packages/llm/llm-deepseek/src/types.ts @@ -48,12 +48,18 @@ export interface WireToolMessage { content: string } +/** One entry of the request `messages` array, discriminated on `role`. */ export type WireMessage = | WireSystemMessage | WireUserMessage | WireAssistantMessage | WireToolMessage +/** + * Assistant-role history message. The harness replays `content: ""` (never + * null) on tool-call-only turns — some gateways reject null — and sends null + * only when the turn carried neither text nor tool calls. + */ export interface WireAssistantMessage { role: 'assistant' content: string | null @@ -66,20 +72,20 @@ export interface WireAssistantMessage { tool_calls?: WireToolCall[] } +/** A completed tool call replayed on an assistant history message; `arguments` is the raw JSON string. */ export interface WireToolCall { id: string type: 'function' function: { name: string; arguments: string } } +/** One entry of the request `tools` array; `parameters` is a JSON Schema object. */ export interface WireTool { type: 'function' function: { name: string description: string parameters: Record<string, unknown> - /** Beta: strict schema adherence (official: requires the /beta base URL). */ - strict?: boolean } } @@ -90,11 +96,13 @@ export interface WireChunk { usage?: WireUsage | null } +/** One streamed choice (requests always ask for a single one); `finish_reason` is non-null only on its terminal chunk. */ export interface WireChoice { delta?: WireDelta finish_reason?: string | null } +/** The incremental content of one streamed choice; any subset of fields may be present per chunk. */ export interface WireDelta { role?: string /** Visible text. Null/empty on reasoning/tool-call chunks. */ @@ -107,6 +115,7 @@ export interface WireDelta { tool_calls?: WireToolCallDelta[] } +/** A streamed fragment of one tool call; fragments sharing an `index` concatenate into one call. */ export interface WireToolCallDelta { /** Disambiguates parallel tool calls; stable across a call's deltas. */ index: number @@ -121,6 +130,13 @@ export interface WireToolCallDelta { } } +/** + * Wire token accounting. `prompt_tokens` INCLUDES cache hits (it equals + * `prompt_cache_hit_tokens + prompt_cache_miss_tokens`); `mapUsage` subtracts + * them to keep the harness convention of disjoint counts. + * `prompt_tokens_details.cached_tokens` is the OpenAI-compat spelling of the + * hit count. + */ export interface WireUsage { prompt_tokens: number completion_tokens: number diff --git a/packages/llm/llm-deepseek/tests/adapter.spec.ts b/packages/llm/llm-deepseek/tests/adapter.spec.ts index 1abbebc060..46f123a1c7 100644 --- a/packages/llm/llm-deepseek/tests/adapter.spec.ts +++ b/packages/llm/llm-deepseek/tests/adapter.spec.ts @@ -2,7 +2,7 @@ import { createServer } from 'node:http' import type { IncomingMessage, Server, ServerResponse } from 'node:http' import { afterEach, describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' -import LlmService, { LlmError } from '@deepseek-ai/dsh-llm' +import LlmService, { LlmError, userAgent } from '@deepseek-ai/dsh-llm' import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' import { DeepSeekAdapter, httpErrorCode } from '@deepseek-ai/dsh-llm-deepseek' import { assemble } from './assemble.ts' @@ -109,8 +109,12 @@ describe('DeepSeekAdapter against a mock server', () => { stream: true, stream_options: { include_usage: true }, }) - // Attribution header identifies the harness to the provider. - expect(server.headers[0]?.['user-agent']).toMatch(/^deepseek-harness\//) + // Attribution reaches the wire: the exact shared User-Agent, and no + // provider-specific headers under the User-Agent-only contract. + expect(server.headers[0]?.['user-agent']).toBe(userAgent()) + expect(server.headers[0]).not.toHaveProperty('http-referer') + expect(server.headers[0]).not.toHaveProperty('x-openrouter-title') + expect(server.headers[0]).not.toHaveProperty('x-openrouter-categories') }) it('streams raw chunks through ctx.llm.stream', async () => { diff --git a/packages/llm/llm-deepseek/tests/serialize.spec.ts b/packages/llm/llm-deepseek/tests/serialize.spec.ts index 04387d7aa8..3e533f8e7c 100644 --- a/packages/llm/llm-deepseek/tests/serialize.spec.ts +++ b/packages/llm/llm-deepseek/tests/serialize.spec.ts @@ -1,6 +1,6 @@ import { describe, expect, it } from 'vitest' -import { CallId, LlmError } from '@deepseek-ai/dsh-llm' -import type { GenerateOptions, Message } from '@deepseek-ai/dsh-llm' +import { CallId } from '@deepseek-ai/dsh-llm' +import type { ContentBlock, GenerateOptions, Message } from '@deepseek-ai/dsh-llm' import { serializeMessages, serializeRequest } from '@deepseek-ai/dsh-llm-deepseek' function request(overrides: Partial<GenerateOptions> = {}): GenerateOptions { @@ -110,11 +110,17 @@ describe('serializeMessages', () => { ]) }) - it('skips image blocks (documented MVP limitation)', () => { + it('skips plugin-added block types (merge-extensible ContentBlockMap)', () => { const wire = serializeMessages([ - { role: 'user', content: [{ type: 'image', url: 'data:image/png;base64,x' }, { type: 'text', text: 'see image' }] }, + { + role: 'user', + content: [ + { type: 'chart', data: 'x' } as unknown as ContentBlock, + { type: 'text', text: 'see chart' }, + ], + }, ]) - expect(wire).toEqual([{ role: 'user', content: 'see image' }]) + expect(wire).toEqual([{ role: 'user', content: 'see chart' }]) }) it('emits an empty user message rather than dropping block-less messages', () => { @@ -149,17 +155,17 @@ describe('serializeRequest', () => { expect(wire.stop).toEqual(['END']) }) - it('maps tools with strict passthrough', () => { + it('maps tools to the wire function shape', () => { const wire = serializeRequest(request({ messages: history, tools: [ { name: 'a', description: 'A', parameters: { type: 'object', properties: {} } }, - { name: 'b', description: 'B', parameters: { type: 'object', properties: {} }, strict: true }, + { name: 'b', description: 'B', parameters: { type: 'object', properties: { x: { type: 'string' } } } }, ], })) expect(wire.tools).toEqual([ { type: 'function', function: { name: 'a', description: 'A', parameters: { type: 'object', properties: {} } } }, - { type: 'function', function: { name: 'b', description: 'B', parameters: { type: 'object', properties: {} }, strict: true } }, + { type: 'function', function: { name: 'b', description: 'B', parameters: { type: 'object', properties: { x: { type: 'string' } } } } }, ]) }) @@ -179,17 +185,6 @@ describe('serializeRequest', () => { expect(wire.thinking).toBeUndefined() expect(wire.reasoning_effort).toBeUndefined() }) - - it('rejects prefill with an UNSUPPORTED LlmError', () => { - expect(() => serializeRequest(request({ prefill: [{ type: 'text', text: 'Sure' }] }))) - .toThrow(LlmError) - try { - serializeRequest(request({ prefill: [] })) - expect.unreachable() - } catch (error) { - expect((error as LlmError).code).toBe('UNSUPPORTED') - } - }) }) describe('review fixes: assistant content shapes', () => { diff --git a/packages/llm/llm-pi-ai/README.md b/packages/llm/llm-pi-ai/README.md index 70f61fdb62..f74ccd2246 100644 --- a/packages/llm/llm-pi-ai/README.md +++ b/packages/llm/llm-pi-ai/README.md @@ -9,7 +9,7 @@ DeepSeek adapter for the harness LLM seam backed by [`@earendil-works/pi-ai`](ht - pi-ai hands tool-call `arguments` around as **parsed objects**; the harness keeps raw JSON strings. The adapter patches replay payloads back to the original raw strings before sending them, and re-stringifies parsed output tool calls at `block-end`. - pi-ai reports failures as **in-stream error events** (it never throws mid-stream); these map to `finish {kind:'error'|'aborted'}` chunks — the protocol's other sanctioned error path besides throwing (which llm-deepseek uses). - pi-ai folds reasoning tokens into `usage.output`; there is no separate reasoning count to map. -- pi-ai's options omit some DeepSeek/OpenAI-compatible details; the adapter uses its `onPayload` hook to preserve the harness contract (`stop`, per-tool `strict`, omitted reasoning effort, raw replayed tool arguments). +- pi-ai's options omit some DeepSeek/OpenAI-compatible details; the adapter uses its `onPayload` hook to preserve the harness contract (`stop`, scrubbing pi-ai's own per-tool `strict` default — the hand-rolled twin sends no such field — omitted reasoning effort, raw replayed tool arguments). ## Config @@ -25,13 +25,17 @@ Same shape as llm-deepseek (one-line swap in cordis.yml), with pi-ai's thinking- reasoning: high # off | high | xhigh (xhigh → wire 'max') ``` +## App attribution + +Every request carries the shared attribution header from dsh-llm's `attributionHeaders()`, passed through pi-ai's `headers` stream option (pi-ai merges caller headers last, so it always reaches the wire - the unit suite asserts arrival on the mock server, same as llm-deepseek). OpenRouter-specific app attribution headers are intentionally not sent by this adapter contract; they are deferred to a future explicit OpenRouter adapter or mode. See [dsh-llm § App attribution](../llm/README.md#app-attribution-attributionts). + ## Dependency weight pi-ai declares the openai/anthropic/google/mistral/AWS SDKs as install-time dependencies. They are lazy-loaded — only the openai SDK actually loads for this adapter — but they do land in `node_modules`. Accepted for a package whose purpose is design verification. ## Limitations -Same MVP contract as llm-deepseek: `prefill` throws `UNSUPPORTED`, images are not representable, `tool_choice` is not mapped. +Same MVP contract as llm-deepseek: `tool_choice` is not mapped. ## Testing diff --git a/packages/llm/llm-pi-ai/src/adapter.ts b/packages/llm/llm-pi-ai/src/adapter.ts index e15cce8252..00107e8e1c 100644 --- a/packages/llm/llm-pi-ai/src/adapter.ts +++ b/packages/llm/llm-pi-ai/src/adapter.ts @@ -13,22 +13,30 @@ import { stream as piStream } from '@earendil-works/pi-ai' import type { Model } from '@earendil-works/pi-ai' -import { LlmAdapter, LlmError } from '@deepseek-ai/dsh-llm' +import { attributionHeaders, LlmAdapter } from '@deepseek-ai/dsh-llm' import { CallId } from '@deepseek-ai/dsh-llm' -import type { GenerateOptions, StreamChunk, ToolSchema } from '@deepseek-ai/dsh-llm' +import type { GenerateOptions, StreamChunk } from '@deepseek-ai/dsh-llm' import { toPiContext, toStreamChunks } from './convert.ts' /** Reasoning levels surfaced by this adapter (DeepSeek wire: high|max). */ export type PiAiReasoning = 'off' | 'high' | 'xhigh' +/** Constructor options for {@link PiAiAdapter}; the plugin's `apply` resolves them from Config + environment. */ export interface PiAiAdapterOptions { + /** Bearer token pi-ai sends on every request. */ apiKey: string + /** Endpoint base; `/chat/completions` is appended. */ baseURL: string /** Thinking level applied to every request ('off' disables thinking). */ reasoning?: PiAiReasoning | undefined } -/** Build the inline pi-ai model descriptor for one DeepSeek model name. */ +/** + * Build the inline pi-ai model descriptor for one DeepSeek model name. + * @param modelId - harness model name; sent verbatim on the wire. + * @param options - adapter options; only `baseURL` is read here (key and reasoning apply per request, not per descriptor). + * @returns a descriptor with every DeepSeek compat flag explicit — pi-ai's URL-based auto-detection is never relied on. + */ export function buildModel(modelId: string, options: PiAiAdapterOptions): Model<'openai-completions'> { return { id: modelId, @@ -61,7 +69,7 @@ export function buildModel(modelId: string, options: PiAiAdapterOptions): Model< } type Payload = { - tools?: { function?: { name?: unknown; strict?: unknown } }[] + tools?: { function?: { strict?: unknown } }[] messages?: { role?: unknown tool_calls?: { id?: unknown; function?: { arguments?: unknown } }[] @@ -81,10 +89,6 @@ function rawToolArguments(options: GenerateOptions): Map<CallId, string> { return raw } -function strictByToolName(tools: ToolSchema[] | undefined): Map<string, boolean | undefined> { - return new Map((tools ?? []).map(tool => [tool.name, tool.strict])) -} - function patchPayload(payload: unknown, options: GenerateOptions, reasoning: PiAiReasoning | undefined): unknown { /* v8 ignore next -- pi-ai onPayload always receives an object; tolerate unusual future hooks defensively */ if (typeof payload !== 'object' || payload === null) return payload @@ -97,16 +101,13 @@ function patchPayload(payload: unknown, options: GenerateOptions, reasoning: PiA body.stop = options.stop } - const strictByName = strictByToolName(options.tools) + // pi-ai stamps its own `strict` default on every serialized tool; the + // harness tool contract has no strict field and the hand-rolled twin sends + // none, so scrub it for wire parity. for (const tool of body.tools ?? []) { /* v8 ignore next -- malformed pi-ai payload guard: real tool entries always carry function */ if (tool.function === undefined) continue - const name = tool.function.name - /* v8 ignore next -- malformed pi-ai payload guard: real function entries always carry a string name */ - if (typeof name !== 'string') continue - const strict = strictByName.get(name) - if (strict === undefined) delete tool.function.strict - else tool.function.strict = strict + delete tool.function.strict } const rawById = rawToolArguments(options) @@ -131,9 +132,9 @@ function patchPayload(payload: unknown, options: GenerateOptions, reasoning: PiA * * Implementation notes: * - `onPayload` patches provider payload details pi-ai cannot express directly: - * stop sequences, per-tool strict, omitted reasoning effort, and raw replayed - * tool-call arguments. - * - `prefill` throws UNSUPPORTED (same contract as dsh-llm-deepseek). + * stop sequences, scrubbing pi-ai's own per-tool `strict` default (the + * hand-rolled twin sends no such field), omitted reasoning effort, and raw + * replayed tool-call arguments. * - pi-ai reports request failures as in-stream error events; convert.ts * maps them to `finish {kind:'error'|'aborted'}` chunks rather than * throwing — both are sanctioned StreamChunk error paths. @@ -144,13 +145,6 @@ export class PiAiAdapter extends LlmAdapter { } async * stream(options: GenerateOptions): AsyncIterable<StreamChunk> { - if (options.prefill !== undefined) { - throw new LlmError( - 'prefill is not supported by the pi-ai adapter', - 'UNSUPPORTED', - ) - } - const model = buildModel(options.model, this.options) // Undefined config means "provider default" (DeepSeek: thinking ENABLED), // matching llm-deepseek's omission semantics. pi-ai derives the wire @@ -171,6 +165,9 @@ export class PiAiAdapter extends LlmAdapter { try { const events = piStream(model, toPiContext(options), { apiKey: this.options.apiKey, + // pi-ai merges caller headers last over its provider defaults, so the + // harness attribution always reaches the wire. + headers: attributionHeaders(), ...options.temperature !== undefined ? { temperature: options.temperature } : {}, ...options.maxTokens !== undefined ? { maxTokens: options.maxTokens } : {}, signal: controller.signal, diff --git a/packages/llm/llm-pi-ai/src/convert.ts b/packages/llm/llm-pi-ai/src/convert.ts index 0ddc41386a..9652cb7d56 100644 --- a/packages/llm/llm-pi-ai/src/convert.ts +++ b/packages/llm/llm-pi-ai/src/convert.ts @@ -55,6 +55,8 @@ function parseArguments(raw: string): Record<string, unknown> { * NAME (pi-ai's `toolName`), which the harness doesn't carry on the result * block — it is recovered from the preceding assistant tool-call with the * same id. + * @param options - the harness request; `options.system` maps to pi-ai's single `systemPrompt` slot. + * @returns the pi-ai context; `tools` is omitted entirely when the request declares none. */ export function toPiContext(options: GenerateOptions): PiContext { const toolNames = new Map<CallId, string>() @@ -93,7 +95,7 @@ export function toPiContext(options: GenerateOptions): PiContext { }) break default: - // image / plugin-added block types: not representable here. + // plugin-added block types: not representable here. break } } @@ -159,7 +161,11 @@ function emptyPiUsage(): PiUsage { } } -/** Map pi-ai usage (reasoning folded into output by pi-ai). */ +/** + * Map pi-ai usage (reasoning folded into output by pi-ai). + * @param usage - cumulative usage from the terminal pi-ai event. + * @returns harness counts; cache fields appear only when non-zero (pi-ai reports zeros, not absence). + */ export function mapUsage(usage: PiUsage): TokenUsage { return { inputTokens: usage.input, @@ -177,7 +183,11 @@ function classifyPiAiError(message: string): string { return 'PI_AI_ERROR' } -/** Map a terminal pi-ai event to the harness finish reason. */ +/** + * Map a terminal pi-ai event to the harness finish reason. + * @param message - the assistant message carried by the `done` or `error` event. + * @returns the harness reason; `error` yields `{kind: 'error'}` with a code classified from the error text. + */ export function mapStopReason(message: AssistantMessage): FinishReason { switch (message.stopReason) { case 'stop': return { kind: 'stop' } @@ -195,6 +205,9 @@ export function mapStopReason(message: AssistantMessage): FinishReason { * Translate the pi-ai event stream into StreamChunks. pi-ai never throws * mid-stream — failures arrive as `error` events, which become error/aborted * `finish` chunks (the harness protocol's other error-delivery style). + * @param events - one assistant turn's pi-ai event stream. + * @returns the harness chunks, ending with `usage` then `finish`; throws + * `LlmError` (`STREAM_CLOSED`) if the source ends without a terminal event. */ export async function* toStreamChunks(events: AsyncIterable<AssistantMessageEvent>): AsyncGenerator<StreamChunk> { // pi-ai contentIndex ↔ our block index map 1:1 (both count blocks from 0 diff --git a/packages/llm/llm-pi-ai/src/index.ts b/packages/llm/llm-pi-ai/src/index.ts index bef0d4b3f5..43468ba507 100644 --- a/packages/llm/llm-pi-ai/src/index.ts +++ b/packages/llm/llm-pi-ai/src/index.ts @@ -29,6 +29,11 @@ export { mapStopReason, mapUsage, toPiContext, toStreamChunks } from './convert. export const name = 'llm-pi-ai' export const inject = ['llm'] +/** + * Plugin config, validated by the same-named schemastery schema. Every field + * is optional in yml: credentials/endpoint fall back to the environment (a + * missing API key fails plugin load, not the first call). + */ export interface Config { /** API key; falls back to $DEEPSEEK_API_KEY. Required one way or the other. */ apiKey?: string diff --git a/packages/llm/llm-pi-ai/tests/adapter.spec.ts b/packages/llm/llm-pi-ai/tests/adapter.spec.ts index 63f9f90456..cefaa9f745 100644 --- a/packages/llm/llm-pi-ai/tests/adapter.spec.ts +++ b/packages/llm/llm-pi-ai/tests/adapter.spec.ts @@ -2,7 +2,7 @@ import { createServer } from 'node:http' import type { IncomingMessage, Server, ServerResponse } from 'node:http' import { afterEach, describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' -import LlmService, { CallId, LlmError } from '@deepseek-ai/dsh-llm' +import LlmService, { CallId, userAgent } from '@deepseek-ai/dsh-llm' import * as LlmPiAi from '@deepseek-ai/dsh-llm-pi-ai' import { buildModel, PiAiAdapter } from '@deepseek-ai/dsh-llm-pi-ai' import { assemble } from './assemble.ts' @@ -11,6 +11,8 @@ import { assemble } from './assemble.ts' interface MockServer { url: string requests: unknown[] + /** Header bags of received requests, in order (parallel to `requests`). */ + headers: IncomingMessage['headers'][] close(): Promise<void> } @@ -22,11 +24,13 @@ afterEach(async () => { async function mockServer(script: { status?: number; events?: string[]; body?: string }[]): Promise<MockServer> { const requests: unknown[] = [] + const headers: IncomingMessage['headers'][] = [] const server = createServer((request: IncomingMessage, response: ServerResponse) => { let body = '' request.on('data', (chunk: Buffer) => { body += chunk.toString('utf8') }) request.on('end', () => { requests.push(JSON.parse(body)) + headers.push(request.headers) const behavior = script.shift() ?? { status: 500, body: 'script exhausted' } if (behavior.status !== undefined && behavior.status !== 200) { response.writeHead(behavior.status, { 'content-type': 'application/json' }) @@ -45,6 +49,7 @@ async function mockServer(script: { status?: number; events?: string[]; body?: s return { url: `http://127.0.0.1:${address.port}`, requests, + headers, close: () => new Promise(resolve => server.close(() => { resolve() })), } } @@ -91,6 +96,14 @@ describe('PiAiAdapter against a mock server', () => { expect(result.message.content).toEqual([{ type: 'text', text: 'hello' }]) expect(result.finish).toEqual({ kind: 'stop' }) expect(result.usage).toMatchObject({ inputTokens: 3, outputTokens: 1 }) + + // Attribution reaches the wire through pi-ai's headers hook: the exact + // shared User-Agent, and no provider-specific headers under the + // User-Agent-only contract. + expect(server.headers[0]?.['user-agent']).toBe(userAgent()) + expect(server.headers[0]).not.toHaveProperty('http-referer') + expect(server.headers[0]).not.toHaveProperty('x-openrouter-title') + expect(server.headers[0]).not.toHaveProperty('x-openrouter-categories') }) it('streams tool calls with re-stringified arguments', async () => { @@ -149,26 +162,26 @@ describe('PiAiAdapter against a mock server', () => { expect(server.requests[0]).toMatchObject({ stop: ['END'] }) }) - it('preserves per-tool strict exactly through onPayload', async () => { + it('scrubs pi-ai\'s own per-tool strict default through onPayload', async () => { const server = await mockServer([{ events: textEvents }]) const ctx = await harness(server.url) await assemble(ctx,{ model: 'deepseek-v4-flash', messages: [], tools: [ - { name: 'strict_true', description: 'true', parameters: {}, strict: true }, - { name: 'strict_false', description: 'false', parameters: {}, strict: false }, - { name: 'strict_omitted', description: 'omitted', parameters: {} }, + { name: 'alpha', description: 'a', parameters: {} }, + { name: 'beta', description: 'b', parameters: {} }, ], }) + // pi-ai stamps `strict` on every serialized tool function; the harness + // contract has none and the hand-rolled twin sends no such field, so the + // payload fixup must have deleted it from every tool. const request = server.requests[0] as { tools: { function: { name: string; strict?: boolean } }[] } - expect(request.tools.map(tool => [tool.function.name, tool.function.strict])).toEqual([ - ['strict_true', true], - ['strict_false', false], - ['strict_omitted', undefined], - ]) - expect('strict' in request.tools[2]!.function).toBe(false) + expect(request.tools.map(tool => tool.function.name)).toEqual(['alpha', 'beta']) + for (const tool of request.tools) { + expect('strict' in tool.function).toBe(false) + } }) it('preserves raw replayed tool-call arguments in the provider payload', async () => { @@ -209,15 +222,6 @@ describe('PiAiAdapter against a mock server', () => { expect(result.finish).toMatchObject({ kind: 'error', code }) }) - it('rejects prefill with UNSUPPORTED', async () => { - const ctx = await harness('http://127.0.0.1:1') - await expect(assemble(ctx,{ - model: 'deepseek-v4-flash', - messages: [], - prefill: [{ type: 'text', text: 'Sure' }], - })).rejects.toThrow(LlmError) - }) - it('registers/unregisters models on the llm service (HMR safety)', async () => { const ctx = new Context() await ctx.plugin(LlmService) diff --git a/packages/llm/llm-pi-ai/tests/convert.spec.ts b/packages/llm/llm-pi-ai/tests/convert.spec.ts index be42c9e9b4..078d2a4d3b 100644 --- a/packages/llm/llm-pi-ai/tests/convert.spec.ts +++ b/packages/llm/llm-pi-ai/tests/convert.spec.ts @@ -1,6 +1,6 @@ import { describe, expect, it } from 'vitest' import { CallId } from '@deepseek-ai/dsh-llm' -import type { StreamChunk } from '@deepseek-ai/dsh-llm' +import type { ContentBlock, StreamChunk } from '@deepseek-ai/dsh-llm' import type { AssistantMessage, AssistantMessageEvent, Usage } from '@earendil-works/pi-ai' import { mapStopReason, mapUsage, toPiContext, toStreamChunks } from '@deepseek-ai/dsh-llm-pi-ai' @@ -171,13 +171,13 @@ describe('toPiContext', () => { expect(context.messages.map(message => message.role)).toEqual(['user', 'user', 'toolResult']) }) - it('skips image and unknown blocks in assistant content', () => { + it('skips plugin-added (unknown) blocks in assistant content', () => { const context = toPiContext({ model: 'm', messages: [{ role: 'assistant', content: [ - { type: 'image', url: 'data:,x' }, + { type: 'chart', data: 'x' } as unknown as ContentBlock, { type: 'text', text: 'visible' }, ], }], diff --git a/packages/llm/llm/README.md b/packages/llm/llm/README.md index 4227f5fdef..42694ba5ea 100644 --- a/packages/llm/llm/README.md +++ b/packages/llm/llm/README.md @@ -25,10 +25,18 @@ An adapter registry plus a single streaming call surface, interceptable via a wa ### Content-block vocabulary (`types.ts`) -Messages are arrays of typed content blocks: `text`, `reasoning`, `tool-call`, `tool-result`, `image`. The union is derived from the merge-extensible `ContentBlockMap`, so plugins can add block types via declaration merging. +Messages are arrays of typed content blocks: `text`, `reasoning`, `tool-call`, `tool-result`. The union is derived from the merge-extensible `ContentBlockMap`, so plugins can add block types via declaration merging. The core set is limited to blocks every shipping path honors — multimodal content (images, audio, …) has no core block type; a feature that needs one adds it via the map together with the adapter/UI/compaction support that honors it. Streaming is a raw chunk protocol (`block-start`, `text-delta`, `reasoning-delta`, `tool-call-delta`, `block-end`, `usage`, `finish`). `BlockAssembler` is the single shared implementation that assembles chunks into blocks/messages. +### Call configuration (`call-config.ts`) + +`LlmCallConfig` is the model + sampling scalars of one conversation's requests (`model`, `temperature`, `maxTokens`, `stop` — each mapping 1:1 onto the same-named `GenerateOptions` field). It is per-conversation state recorded in the session log as part of the request header (see the dsh-session `request/header` events), never a silently-adjustable per-call knob: the `agent/request` waterfall proposes a replacement and the loop logs a real change. `callConfigEquals(a, b)` is the field-wise real-change detector; `deepFreeze(value)` is the ownership helper the loop applies to every built request before dispatch (`llm/stream` listeners and adapters read, never rewrite). + +### App attribution (`attribution.ts`) + +Every product adapter must identify the application on every provider HTTP request - attribution is part of the adapter contract, not an adapter-local nicety. `attributionHeaders(identity?)` builds the standard `User-Agent` header (`product/version (+url)`, from `userAgent()`) for every request. The default `APP_IDENTITY` carries only static public product facts (its version is read from this package's manifest); a white-label deployment passes its own `AppIdentity`, and omission falls back to the default - nothing can suppress attribution. OpenRouter-specific app attribution headers are intentionally not supported by this contract. An adapter proves compliance with a wire-level test: a mock server asserting the received header (or, for a library-backed adapter, that the library's header hook delivers the same value). Policy and rationale: [Mandatory `User-Agent` attribution](../../../docs/rfc/implemented/architecture/2026-06-21-mandatory-app-attribution-headers.md). + ### Classes - `LlmAdapter` — abstract base class for provider adapters. The only required method is `stream()`. diff --git a/packages/llm/llm/src/assembler.ts b/packages/llm/llm/src/assembler.ts index 328ef01c54..1b8ba6e60c 100644 --- a/packages/llm/llm/src/assembler.ts +++ b/packages/llm/llm/src/assembler.ts @@ -40,6 +40,8 @@ export class BlockAssembler { /** * Feed one chunk. Returns the completed block when the chunk closes one * (an explicit `block-end`), otherwise undefined. + * @param chunk - the next raw chunk, in stream order. + * @returns the authoritative block from the first `block-end` at its index; undefined for every other chunk. */ push(chunk: StreamChunk): ContentBlock | undefined { switch (chunk.type) { @@ -123,20 +125,29 @@ export class BlockAssembler { return partial } - /** Assemble all blocks seen so far, in stream order. */ + /** + * Assemble all blocks seen so far, in stream order. + * @returns one block per seen index; an open block assembles from its + * accumulated deltas (an unknown block type never closed by `block-end` throws). + */ blocks(): ContentBlock[] { return this.order.map(index => this.assemble(this.mustGet(index), index)) } + /** Usage from the `usage` chunk; undefined until one arrives. */ get usage(): TokenUsage | undefined { return this._usage } + /** Finish reason from the `finish` chunk; `{kind: 'stop'}` when the stream ended without one. */ get finish(): FinishReason { return this._finish ?? { kind: 'stop' } } - /** The assembled assistant message. */ + /** + * The assembled assistant message. + * @returns an assistant-role message over `blocks()` (same open-block assembly rules). + */ message(): Message { return { role: 'assistant', content: this.blocks() } } diff --git a/packages/llm/llm/src/attribution.ts b/packages/llm/llm/src/attribution.ts new file mode 100644 index 0000000000..0250062eec --- /dev/null +++ b/packages/llm/llm/src/attribution.ts @@ -0,0 +1,75 @@ +/** + * App-attribution vocabulary for provider requests. + * + * Every product LLM adapter must identify the application on every provider + * HTTP request (see the adapter contract on {@link ../index.ts LlmAdapter}): + * a static, non-secret product identity, sent as the standard `User-Agent`. + * Adapters obtain the headers from {@link attributionHeaders} instead of + * hand-copying constants, so the identity cannot drift between + * implementations. The policy and its rationale are pinned in + * docs/rfc/implemented/architecture/2026-06-21-mandatory-app-attribution-headers.md. + * + * @module @deepseek-ai/dsh-llm/attribution + */ + +import { createRequire } from 'node:module' + +// The package's own manifest is the single source of the version so the +// User-Agent cannot drift from what is published (`./package.json` is an +// export of this package; the relative path resolves from both `src/` and +// the bundled `lib/`). +const { version } = createRequire(import.meta.url)('../package.json') as { version: string } + +/** + * Static public application identity sent to LLM providers. + * + * Every field is a public product fact, safe on every request: no secrets, + * local paths, session ids, prompt text, or per-user identifiers belong here, + * and nothing per-request may influence the values. + */ +export interface AppIdentity { + /** `User-Agent` product token (lowercase, hyphenated). */ + product: string + /** Product version; sourced from package metadata, never hand-copied. */ + version: string + /** Public home URL of the app, used as the `User-Agent` comment. */ + url: string +} + +/** + * The harness's own identity: the default every adapter sends. Deployments + * that need a white-label identity pass their own {@link AppIdentity} to + * {@link attributionHeaders} — omission falls back to this default; nothing + * can suppress attribution entirely. + */ +export const APP_IDENTITY: AppIdentity = { + product: 'deepseek-harness', + version, + // FIXME: create the public deepseek-ai/deepseek-harness-sdk repository this + // URL promises before the first release ships attribution pointing at it. + url: 'https://github.com/deepseek-ai/deepseek-harness-sdk', +} + +/** + * The standard `User-Agent` value: `product/version (+url)`. The + * parenthesized `+url` comment is the conventional self-identification form + * (RFC 9110 §10.1.5 product + comment syntax). + * @param identity - the identity to render; defaults to {@link APP_IDENTITY}. + * @returns the ready-to-send header value. + */ +export function userAgent(identity: AppIdentity = APP_IDENTITY): string { + return `${identity.product}/${identity.version} (+${identity.url})` +} + +/** + * Build the attribution headers an adapter must send on every provider + * request. Header names are lowercase (HTTP field names are case-insensitive + * on the wire). + * @param identity - the identity to send; defaults to {@link APP_IDENTITY} — omission cannot suppress attribution. + * @returns headers to merge into the provider request (currently just `user-agent`). + */ +export function attributionHeaders( + identity: AppIdentity = APP_IDENTITY, +): Record<string, string> { + return { 'user-agent': userAgent(identity) } +} diff --git a/packages/llm/llm/src/brand.ts b/packages/llm/llm/src/brand.ts index 3082cc0141..ee1cf786b1 100644 --- a/packages/llm/llm/src/brand.ts +++ b/packages/llm/llm/src/brand.ts @@ -17,7 +17,11 @@ import type { Branded } from '@deepseek-ai/dsh-brand' */ export type CallId = Branded<'CallId'> -/** Brand a string as a {@link CallId}. */ +/** + * Brand a string as a {@link CallId}. + * @param id - the provider-issued (or synthesized) call id. + * @returns the same string, branded; no validation is performed. + */ export function CallId(id: string): CallId { return id as CallId } diff --git a/packages/llm/llm/src/call-config.ts b/packages/llm/llm/src/call-config.ts new file mode 100644 index 0000000000..53cb157214 --- /dev/null +++ b/packages/llm/llm/src/call-config.ts @@ -0,0 +1,69 @@ +/** + * The call configuration of a conversation and its comparison/freeze + * utilities. `LlmCallConfig` is the non-content third of the request header + * (see `EpochHeader` in dsh-session): everything about a request besides its + * message content that can undermine provider KV-cache reuse — `model` + * selects the cache namespace outright, and the sampling scalars are treated + * the same way out of caution. It is per-conversation state recorded in the + * session log (the reconstructability RFC), never a silently-drifting + * per-call knob: the `agent/request` waterfall proposes a replacement, and + * the loop logs a real change as a `request/header-delta` event. + * + * @module dsh-llm/call-config + */ + +/** + * Model + sampling scalars of one conversation's requests. Every field maps + * 1:1 onto the same-named `GenerateOptions` field; the loop builds requests + * from the logged header rather than accepting these per call. + */ +export interface LlmCallConfig { + model: string + temperature?: number + maxTokens?: number + stop?: string[] +} + +/** + * Field-wise equality over {@link LlmCallConfig} — the comparison a caller + * runs to decide whether a proposed configuration is a real change (worth a + * logged header delta) or the held one restated. + * @param a - one configuration. + * @param b - the other. + * @returns whether every field (including the `stop` list, element-wise) matches. + */ +export function callConfigEquals(a: LlmCallConfig, b: LlmCallConfig): boolean { + if (a.model !== b.model || a.temperature !== b.temperature || a.maxTokens !== b.maxTokens) return false + if (a.stop === undefined || b.stop === undefined) return a.stop === b.stop + return a.stop.length === b.stop.length && a.stop.every((s, i) => s === b.stop?.[i]) +} + +/** + * Deep-freeze a value in place so any later mutation throws (ESM code runs in + * strict mode), and return it. The loop freezes every request it builds + * before dispatch — `llm/stream` listeners and adapters read the request, + * never rewrite it, so the wire bytes cannot silently desync from what the + * session log reconstructs. Guards against cycles with a WeakSet: loop-built + * requests hold `structuredClone`d JSON-validated session data, but the + * helper accepts arbitrarily constructed values. One exemption: an + * `AbortSignal` is never entered or frozen — it is the request's live + * cancellation channel, and freezing one breaks `AbortController.abort()` + * outright (Node stores the aborted flag as an own property of the signal). + * @param value - the value to freeze in place. + * @returns the same value, frozen. + */ +export function deepFreeze<T>(value: T): T { + const seen = new WeakSet<object>() + const walk = (node: unknown): void => { + if (node === null || typeof node !== 'object') return + if (node instanceof AbortSignal) return + if (seen.has(node)) return + seen.add(node) + Object.freeze(node) + for (const key of Object.keys(node)) { + walk((node as Record<string, unknown>)[key]) + } + } + walk(value) + return value +} diff --git a/packages/llm/llm/src/error.ts b/packages/llm/llm/src/error.ts index 6f28898798..2627455789 100644 --- a/packages/llm/llm/src/error.ts +++ b/packages/llm/llm/src/error.ts @@ -18,6 +18,7 @@ * `ErrorOptions`. `name` defaults to the subclass constructor name. */ export class HarnessError extends Error { + /** Stable machine-routable failure class (e.g. `RATE_LIMIT`); route on this, never by parsing `message`. */ readonly code: string constructor(message: string, code: string, options?: ErrorOptions) { @@ -27,7 +28,11 @@ export class HarnessError extends Error { } } -/** Narrow an arbitrary thrown value to a HarnessError (for `instanceof` at seams). */ +/** + * Narrow an arbitrary thrown value to a HarnessError (for `instanceof` at seams). + * @param value - the caught value (`unknown` in catch clauses). + * @returns true only for real instances; duck-typed or cross-realm errors do not narrow. + */ export function isHarnessError(value: unknown): value is HarnessError { return value instanceof HarnessError } diff --git a/packages/llm/llm/src/index.ts b/packages/llm/llm/src/index.ts index 890a5a132e..667e9bca78 100644 --- a/packages/llm/llm/src/index.ts +++ b/packages/llm/llm/src/index.ts @@ -10,11 +10,14 @@ import { Context, Service } from 'cordis' import type { GenerateOptions, StreamChunk } from './types.ts' import { HarnessError } from './error.ts' +export * from './attribution.ts' export * from './brand.ts' export * from './never.ts' export * from './error.ts' export * from './types.ts' export { BlockAssembler } from './assembler.ts' +export { callConfigEquals, deepFreeze } from './call-config.ts' +export type { LlmCallConfig } from './call-config.ts' declare module 'cordis' { interface Context { @@ -23,10 +26,14 @@ declare module 'cordis' { interface Events { /** - * Waterfall around every streaming model call (retry, caching, routing). + * Waterfall around every streaming model call (retry, replay, routing). * Bound to the {@link LlmService}; call `next()` to reach the resolved * adapter's stream, or yield your own chunks to short-circuit. - * @param options - the full request; listeners may rewrite it before delegating. + * @param options - the full request. A LOOP-built request arrives + * deep-frozen (mutation throws): its content is a pure function of the + * session log (the reconstructability RFC), so listeners read it, never + * rewrite it. A hand-built one-shot (compaction summarize) is the + * caller's own object and stays mutable here. * @mode waterfall */ 'llm/stream'(this: LlmService, options: GenerateOptions, next: () => AsyncIterable<StreamChunk>): AsyncIterable<StreamChunk> @@ -57,9 +64,20 @@ export class LlmError extends HarnessError { * fetch/SSE) and `@deepseek-ai/dsh-llm-pi-ai` (pi-ai-backed) — two * deliberately different internals over the same contract; see the * adapter contract documented on `StreamChunk` in `./types.ts`. + * + * App attribution is part of the adapter contract: every HTTP request to a + * provider carries the headers from `attributionHeaders()` (`./attribution.ts`) + * — the standard `User-Agent` baseline everywhere. An adapter proves it with + * a wire-level test (a mock server asserting the received header), or, for a + * library-backed adapter, by asserting the library's header hook delivers the + * same value to the wire. */ export abstract class LlmAdapter { - /** Stream one model call as raw chunks. The only required method. */ + /** + * Stream one model call as raw chunks. The only required method. + * @param options - the fully-assembled request; implementations must honor `options.signal`. + * @returns the chunk stream, obeying the adapter contract documented on `StreamChunk`. + */ abstract stream(options: GenerateOptions): AsyncIterable<StreamChunk> } diff --git a/packages/llm/llm/src/never.ts b/packages/llm/llm/src/never.ts index 8eed137f15..1243611415 100644 --- a/packages/llm/llm/src/never.ts +++ b/packages/llm/llm/src/never.ts @@ -26,6 +26,9 @@ * variant was added without updating the switch (compile error at the call * site — the desired outcome) or a value escaped its type (runtime throw * with diagnostics — the safety net). + * @param value - the impossible value; typed `never` so an unhandled variant fails compilation at the call site. + * @param context - optional label (e.g. the switch site) prefixed into the throw message. + * @returns never — it always throws, with the offending value JSON-rendered in the message. */ export function assertNever(value: never, context?: string): never { // JSON.stringify is typed string but returns undefined for undefined input; diff --git a/packages/llm/llm/src/types.ts b/packages/llm/llm/src/types.ts index 7b1b9bdc47..e3339869a5 100644 --- a/packages/llm/llm/src/types.ts +++ b/packages/llm/llm/src/types.ts @@ -22,14 +22,10 @@ import type { Branded } from '@deepseek-ai/dsh-brand' import type { CallId } from './brand.ts' -/** Cache hint attached to a content block (provider-interpreted). */ -export type CacheHint = 'ephemeral' - /** Plain text visible to the end user. */ export interface TextBlock { type: 'text' text: string - cache?: CacheHint } /** Reasoning / thinking content, distinct from visible text. */ @@ -54,30 +50,29 @@ export interface ToolResultBlock { toolCallId: CallId content: ContentBlock[] isError?: boolean - cache?: CacheHint -} - -/** An image, by URL or data URL. */ -export interface ImageBlock { - type: 'image' - url: string - mimeType?: string - cache?: CacheHint } /** * All known content block shapes, keyed by their `type` tag. * Merge-extensible: plugins add new block types via declaration merging. + * + * The core set is deliberately limited to blocks every shipping path honors. + * Multimodal content (images, audio, …) has no core block type: a feature + * that needs one adds it via declaration merging in the same coordinated + * change that maps it in the adapters, surfaces it in the UI bridges, and + * prices it in compaction — a producer never lands without its consumers + * (see docs/rfc/implemented/simplification/2026-07-04-drop-image-content-block.md). */ export interface ContentBlockMap { 'text': TextBlock 'reasoning': ReasoningBlock 'tool-call': ToolCallBlock 'tool-result': ToolResultBlock - 'image': ImageBlock } +/** The block `type` tag vocabulary; widens as plugins merge new shapes into {@link ContentBlockMap}. */ export type ContentBlockType = keyof ContentBlockMap +/** Any known content block, derived from {@link ContentBlockMap}; switch on `type` and fall through unknowns (merge-extensible). */ export type ContentBlock = ContentBlockMap[ContentBlockType] /** A single message in a conversation history. */ @@ -93,9 +88,9 @@ export interface Message { export interface MessageSourceMap { user: { kind: 'user' } plugin: { kind: 'plugin'; plugin: string } - agent: { kind: 'agent'; agentId: string } } +/** Any known message source, derived from {@link MessageSourceMap}; switch on `kind` and fall through unknowns (merge-extensible). */ export type MessageSource = MessageSourceMap[keyof MessageSourceMap] /** @@ -110,6 +105,7 @@ export interface FinishReasonMap { 'error': { kind: 'error'; message: string; code?: string } } +/** Any known finish reason, derived from {@link FinishReasonMap}; switch on `kind` and fall through unknowns (merge-extensible). */ export type FinishReason = FinishReasonMap[keyof FinishReasonMap] /** @@ -171,19 +167,22 @@ export interface ToolSchema { description: string /** JSON Schema object for the arguments. */ parameters: Record<string, unknown> - strict?: boolean } /** A single model request, fully assembled. */ export interface GenerateOptions { model: string + /** + * Ordered conversation messages, exactly as the provider sees them (after + * the `system` slot). A loop-built request assembles them as + * `EpochHeader.messagePrefix` + the derived history (dsh-agent-loop); a + * hand-built one-shot passes any list. + */ messages: Message[] /** System prompt text (adapters map to the provider's system slot). */ system?: string /** Tool schemas (adapters map to the provider's `tools` field). */ tools?: ToolSchema[] - /** Assistant prefix continuation (prefill). */ - prefill?: ContentBlock[] temperature?: number maxTokens?: number /** diff --git a/packages/llm/llm/tests/assembler.spec.ts b/packages/llm/llm/tests/assembler.spec.ts index e8ad04e3b5..d9a4fe33f3 100644 --- a/packages/llm/llm/tests/assembler.spec.ts +++ b/packages/llm/llm/tests/assembler.spec.ts @@ -63,12 +63,12 @@ describe('BlockAssembler', () => { it('throws from assemble() when a partial has an unhandled blockType', () => { const assembler = new BlockAssembler() - // Directly push a block-end for an image block whose block-start never - // called ensure — but the image block-type flows through normally. - // What we really need is a partial whose blockType is not text/reasoning/tool-call. - // We can achieve this via a block-start for 'image' followed by blocks(). - assembler.push({ type: 'block-start', index: 0, blockType: 'image' } as unknown as StreamChunk) - expect(() => assembler.blocks()).toThrow('cannot assemble incomplete block of type "image"') + // A partial whose blockType is not text/reasoning/tool-call cannot be + // assembled without its block-end. A plugin-added block type (here + // 'video', via the merge-extensible ContentBlockMap) opened by a + // block-start with no closing block-end exercises that throw. + assembler.push({ type: 'block-start', index: 0, blockType: 'video' } as unknown as StreamChunk) + expect(() => assembler.blocks()).toThrow('cannot assemble incomplete block of type "video"') }) it('mustGet throws when an index is missing from the partials map (invariant violation)', () => { diff --git a/packages/llm/llm/tests/attribution.spec.ts b/packages/llm/llm/tests/attribution.spec.ts new file mode 100644 index 0000000000..e797af5b38 --- /dev/null +++ b/packages/llm/llm/tests/attribution.spec.ts @@ -0,0 +1,51 @@ +import { createRequire } from 'node:module' +import { describe, expect, it } from 'vitest' +import { APP_IDENTITY, attributionHeaders, userAgent } from '@deepseek-ai/dsh-llm' +import type { AppIdentity } from '@deepseek-ai/dsh-llm' + +const manifest = createRequire(import.meta.url)('../package.json') as { version: string } + +/** A white-label identity exercising every override seam. */ +const forkIdentity: AppIdentity = { + product: 'fork-agent', + version: '9.9.9', + url: 'https://example.com/fork-agent', +} + +describe('APP_IDENTITY', () => { + it('sources the version from the package manifest, never a hand-copied constant', () => { + expect(APP_IDENTITY.version).toBe(manifest.version) + }) + + it('carries only static public product facts', () => { + expect(APP_IDENTITY).toEqual({ + product: 'deepseek-harness', + version: manifest.version, + url: 'https://github.com/deepseek-ai/deepseek-harness-sdk', + }) + }) +}) + +describe('userAgent', () => { + it('renders product/version with the +url comment', () => { + expect(userAgent()).toBe( + `deepseek-harness/${manifest.version} (+https://github.com/deepseek-ai/deepseek-harness-sdk)`, + ) + }) + + it('renders a custom identity', () => { + expect(userAgent(forkIdentity)).toBe('fork-agent/9.9.9 (+https://example.com/fork-agent)') + }) +}) + +describe('attributionHeaders', () => { + it('defaults to the provider-neutral baseline: User-Agent and nothing else', () => { + expect(attributionHeaders()).toEqual({ 'user-agent': userAgent() }) + }) + + it('maps a custom identity onto the User-Agent header only', () => { + expect(attributionHeaders(forkIdentity)).toEqual({ + 'user-agent': 'fork-agent/9.9.9 (+https://example.com/fork-agent)', + }) + }) +}) diff --git a/packages/llm/llm/tests/call-config.spec.ts b/packages/llm/llm/tests/call-config.spec.ts new file mode 100644 index 0000000000..65ff7d7d34 --- /dev/null +++ b/packages/llm/llm/tests/call-config.spec.ts @@ -0,0 +1,56 @@ +/** + * call-config unit tests: field-wise LlmCallConfig equality (the real-change + * detector behind logged header deltas) and the deepFreeze ownership helper + * the loop applies to every built request. + */ + +import { describe, expect, it } from 'vitest' +import { callConfigEquals, deepFreeze } from '../src/call-config.ts' + +describe('callConfigEquals', () => { + it('compares every field, including the stop list element-wise', () => { + expect(callConfigEquals({ model: 'm' }, { model: 'm' })).toBe(true) + expect(callConfigEquals({ model: 'm' }, { model: 'x' })).toBe(false) + expect(callConfigEquals({ model: 'm', temperature: 0.5 }, { model: 'm' })).toBe(false) + expect(callConfigEquals({ model: 'm', maxTokens: 1 }, { model: 'm', maxTokens: 2 })).toBe(false) + expect(callConfigEquals({ model: 'm', stop: ['a'] }, { model: 'm' })).toBe(false) + expect(callConfigEquals({ model: 'm', stop: ['a'] }, { model: 'm', stop: ['a', 'b'] })).toBe(false) + expect(callConfigEquals({ model: 'm', stop: ['a'] }, { model: 'm', stop: ['b'] })).toBe(false) + expect(callConfigEquals({ model: 'm', stop: ['a', 'b'] }, { model: 'm', stop: ['a', 'b'] })).toBe(true) + }) +}) + +describe('deepFreeze', () => { + it('freezes nested structure in place and returns the same reference', () => { + const value = { a: { b: [1, { c: 'x' }] } } + const frozen = deepFreeze(value) + expect(frozen).toBe(value) + expect(Object.isFrozen(value)).toBe(true) + expect(Object.isFrozen(value.a)).toBe(true) + expect(Object.isFrozen(value.a.b)).toBe(true) + expect(Object.isFrozen(value.a.b[1])).toBe(true) + // ESM runs in strict mode: mutation throws rather than silently failing. + expect(() => { (value.a.b[1] as { c: string }).c = 'y' }).toThrow(TypeError) + }) + + it('never freezes an AbortSignal: the live cancellation channel keeps working', () => { + const controller = new AbortController() + const request = deepFreeze({ model: 'm', signal: controller.signal }) + expect(Object.isFrozen(request)).toBe(true) + expect(Object.isFrozen(controller.signal)).toBe(false) + let fired = false + controller.signal.addEventListener('abort', () => { fired = true }, { once: true }) + controller.abort('stop') + expect(fired).toBe(true) + expect(controller.signal.aborted).toBe(true) + }) + + it('passes primitives through and terminates on cycles', () => { + expect(deepFreeze(42)).toBe(42) + expect(deepFreeze(null)).toBeNull() + const cyclic = { self: undefined as unknown } + cyclic.self = cyclic + deepFreeze(cyclic) + expect(Object.isFrozen(cyclic)).toBe(true) + }) +}) diff --git a/packages/llm/llm/tests/properties.spec.ts b/packages/llm/llm/tests/properties.spec.ts index c63d56abbb..3bb2a76c38 100644 --- a/packages/llm/llm/tests/properties.spec.ts +++ b/packages/llm/llm/tests/properties.spec.ts @@ -81,7 +81,7 @@ describe('BlockAssembler properties', () => { fc.assert(fc.property(streamArb, (chunks) => { const blocks = feed(chunks).blocks() for (const block of blocks) { - expect(['text', 'reasoning', 'tool-call', 'tool-result', 'image']).toContain(block.type) + expect(['text', 'reasoning', 'tool-call', 'tool-result']).toContain(block.type) } })) }) diff --git a/packages/sandbox/README.md b/packages/sandbox/README.md new file mode 100644 index 0000000000..9e104192d1 --- /dev/null +++ b/packages/sandbox/README.md @@ -0,0 +1,12 @@ +# sandbox/ — process-sandbox capability family + +The confinement half of the [capability-seam split](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md): an abstract provider interface and platform backends. Consumers hand `ctx.sandbox` the exact argv they are about to spawn and spawn the returned (wrapped) argv instead; policy (`SandboxPolicy`: mode + workspace root) rides each call, so different consumers confine under different policies at the same instant. All **product** packages. + +| Package | Role | ctx key | +|---|---|---| +| `sandbox/` | Abstract process-sandbox seam (the `SandboxProvider` contract + the mode/enforcement/policy vocabulary) | `ctx.sandbox` | +| `sandbox-local/` | Local backends by platform chain: Linux `bwrap` else the `landlock-run` launcher (the npm-distributed [`node-addon-landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) family, built and released from its own repository), darwin `sandbox-exec`/Seatbelt — multi-candidate chains functionally probed, sole candidates selected directly, verdict cached, fail-closed | (registers `ctx.sandbox`) | + +The seam confines SAME-WORLD subprocesses only (shared filesystem and kernel). Containers, microVMs, and remote executors are NOT backends here — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups; the boundary is recorded in [the sandbox RFC](../../docs/rfc/implemented/feature/2026-07-06-sandbox.md). + +Consumers today: [`bash/bash-sandbox`](../bash/bash-sandbox/) (wraps `['bash', '-c', command]`; see [examples/sandbox-acp-agent](../../examples/sandbox-acp-agent/) for the composed leaf). In-process tools (fs/web) cannot be confined by an OS wrapper — their sandbox semantics are policy at their own seams (the sandbox RFC's cross-family phase). diff --git a/packages/sandbox/sandbox-local/README.md b/packages/sandbox/sandbox-local/README.md new file mode 100644 index 0000000000..abf7511438 --- /dev/null +++ b/packages/sandbox/sandbox-local/README.md @@ -0,0 +1,18 @@ +# @deepseek-ai/dsh-sandbox-local + +Local implementation of the [`@deepseek-ai/dsh-sandbox`](../sandbox/) seam: wraps a caller's argv in a platform confinement runner. Selection is BY PLATFORM, resolved once and cached: each platform names its runner chain, a chain of one is selected directly (probing arbitrates between candidates — a sole candidate leaves nothing to arbitrate), and a chain of several is probed functionally in preference order. Linux: [`bwrap`](https://github.com/containers/bubblewrap) when its probe passes, else the [`landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) Landlock launcher (kernel confinement that needs no userns/mount privileges — see the [sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md) for the prebuilt-binary decision and profile-parity notes); darwin: `sandbox-exec` speaking a Seatbelt (SBPL) profile, unprobed. A platform with no chain means `confine()` FAILS CLOSED with the seam's structured `SANDBOX_UNAVAILABLE` error (win32 today: a reserved, deliberately empty chain awaiting an AppContainer-family runner); an unprobed runner that turns out unusable fails closed at EXECUTION instead — it refuses to run the command, and every wrap's `runnerFailureSignatures` let the consumer classify that as a sandbox failure rather than a task failure. Never a silent unconfined passthrough on any path. + +Policy is per call (`SandboxPolicy`: mode + workspace root); the provider holds only the mechanism and the cached ladder verdict. Every wrap reports the selected runner's `enforcement` (`full`, or `partial` on an older Landlock ABI that governs only a subset of accesses — read from the launcher's `--probe` report line) and its `denialSignatures` — the stderr dialect that rung's kernel speaks on a denied file effect (EROFS text under bwrap, EACCES under Landlock, EPERM under Seatbelt), which stderr-inferring consumers match instead of a cross-runner union. A non-empty `runnerCommand` config is the operator's assertion of a runner that fully enforces the bwrap-shaped profile: the ladder and probes are skipped (the wrap carries both Linux denial dialects, the mechanism being unknown) — also the deterministic fake-runner seam for keyless test tiers. Its runner-failure dialect is the OUTER shell's argv0-scoped failure shapes (`exec: <argv0>: not found`, `<argv0>: No such file or directory`, `<argv0>: Permission denied`) — the consumer re-joins the wrap through `bash -c 'exec …'`, so a missing or unexecutable configured runner classifies as a sandbox failure (fail closed at execution), never as a failing command or a denial. `probeTimeoutMs` (default 5000) bounds each functional probe, the escape hatch for hosts slow enough that a timed-out probe would otherwise misread as `SANDBOX_UNAVAILABLE`. + +The Seatbelt profile is allow-default with `(deny file-write*)` plus write allow-lists, so exactly the mode's promised file effects are governed: `read-only` grants the `/dev/null` literal alone; `workspace-write` adds the workspace root, `/tmp`, and the per-user darwin temp dir (`os.tmpdir()` — the platform's real temp area for mkstemp-family tools), every root canonicalized because Seatbelt matches resolved paths (`/tmp` IS `/private/tmp`). Apple marks the `sandbox-exec` CLI deprecated but ships it on every macOS; the functional probe is what fails closed if that ever changes. + +The Landlock launcher comes from the npm package family [`node-addon-landlock-run`](https://www.npmjs.com/package/node-addon-landlock-run) — an entry package (this package's one runtime dependency) plus per-platform binary packages selected by npm's `os`/`cpu` fields, built and released from [its own repository](https://github.com/deepseek-harness/node-addon-landlock-run). The entry package owns the launcher's CLI contract: `launcherPath()` resolution (a host with no platform package yields a never-existing path whose probe fails exactly like an unenforcing kernel), the functional `probe()`, and `grantArgs()` flag spelling — versioned together with the binary, so probe-report parsing can never drift against it. This provider keeps only the policy side: the mode → grants mapping (`landlockProfileArgs`) and the ladder. The consumer path is rehearsed by `tests/packed-install.e2e.ts`: pack THIS package's closure, install into a throwaway consumer with the launcher family coming from the registry, assert the installed binary executable (a stripped mode bit must not masquerade as a non-enforcing kernel), and confine through it under plain `node`. + +Every rung has its keyless world-proof (`tests/bwrap.e2e.ts`, `tests/landlock.e2e.ts`, `tests/seatbelt.e2e.ts`), each self-skipping where its runner is absent; CI's `sandbox-e2e` matrix runs all of them against real kernels (bwrap plus one Landlock leg per architecture on Linux, Seatbelt on macOS) and fails on a silent all-skip. + +```yaml +- id: sandbox + name: '@deepseek-ai/dsh-sandbox-local' +``` + +Consumers: [`@deepseek-ai/dsh-bash-sandbox`](../../bash/bash-sandbox/); see [`examples/sandbox-acp-agent`](../../../examples/sandbox-acp-agent/) for the runnable composition. diff --git a/packages/sandbox/sandbox-local/package.json b/packages/sandbox/sandbox-local/package.json new file mode 100644 index 0000000000..d2f8b34161 --- /dev/null +++ b/packages/sandbox/sandbox-local/package.json @@ -0,0 +1,38 @@ +{ + "name": "@deepseek-ai/dsh-sandbox-local", + "description": "Local process-sandbox backends for the DeepSeek Harness sandbox seam: bwrap, the npm-distributed landlock-run launcher, or macOS Seatbelt — functionally probed, fail-closed", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "node-addon-landlock-run": "0.0.0-test.0", + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/sandbox/sandbox-local/src/index.ts b/packages/sandbox/sandbox-local/src/index.ts new file mode 100644 index 0000000000..66f3077319 --- /dev/null +++ b/packages/sandbox/sandbox-local/src/index.ts @@ -0,0 +1,478 @@ +/** + * `LocalSandboxProvider`: the local implementation of the + * `@deepseek-ai/dsh-sandbox` seam. Wraps a caller's argv in a platform + * confinement runner selected BY PLATFORM: each platform names its runner + * chain ({@link PLATFORM_CHAINS}), a chain of one is selected directly (no + * probe — there is nothing to arbitrate), and a chain of several is probed + * FUNCTIONALLY in preference order (build and enforce a real profile once, + * not `--version`), the verdict cached for the provider's lifetime. Linux: + * `bwrap`, else the `landlock-run` Landlock launcher (kernel confinement + * that needs no userns/mount privileges; distributed as the npm package + * family `node-addon-landlock-run` — the decision recorded in + * docs/rfc/implemented/feature/2026-07-06-sandbox.md); darwin: macOS + * `sandbox-exec` speaking a Seatbelt (SBPL) profile, unprobed. + * When the platform has no chain or no candidate passes, + * {@link LocalSandboxProvider.confine} FAILS CLOSED with the seam's + * structured `SANDBOX_UNAVAILABLE` error instead of passing the argv + * through unconfined; an unusable runner selected WITHOUT a probe fails + * closed at execution time instead (it refuses to run the command), which + * the wrap's `runnerFailureSignatures` let consumers classify as a sandbox + * failure rather than a task failure. + * + * @module @deepseek-ai/dsh-sandbox-local + */ + +import { spawnSync } from 'node:child_process' +import { realpathSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { grantArgs as landlockGrantArgs, LAUNCHER_BIN, launcherPath as landlockLauncherPath, probe as defaultProbeLandlock } from 'node-addon-landlock-run' +import { Context } from 'cordis' +import z from 'schemastery' +import { assertNever } from '@deepseek-ai/dsh-llm' +import { SandboxProvider, SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' +import type { ConfinedArgv, ConfinedSandboxMode, SandboxEnforcement, SandboxPolicy } from '@deepseek-ai/dsh-sandbox' + +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * Override the sandbox runner argv (the bwrap-shaped profile arguments are + * appended). A NON-EMPTY argv is the operator's assertion that this runner + * exists and FULLY enforces the profile (confinement reports + * `enforcement: 'full'`, and — the runner's kernel mechanism being unknown + * — carries both Linux file-denial dialects as its denial signatures) — + * the runner chain and its probes are skipped, + * and a broken runner fails loudly at execution time. The operator also + * supplies {@link runnerFailureSignatures}, which distinguish the runner + * refusing its profile from the wrapped command failing normally. + * Absent (or empty — the schema normalizes an omitted array to `[]`): the + * built-in platform chains — Linux `bwrap` then the Landlock launcher + * (probed in that order), darwin `sandbox-exec` (the sole candidate, + * selected without a probe). Used for custom/alternative runners and + * for deterministic fake runners in keyless test tiers. + */ + runnerCommand?: string[] + /** + * Case-insensitive stderr substrings emitted when a configured + * {@link runnerCommand} refuses its profile before executing the wrapped + * command. Required and non-empty with `runnerCommand`; rejected without + * it. Missing/unexecutable runner errors are added automatically from + * `runnerCommand[0]`, while these signatures cover an executable runner's + * own failure dialect. + */ + runnerFailureSignatures?: string[] + /** + * Per-probe timeout in milliseconds for the chain's functional probes + * (default: 5000; must be a positive finite number — Node treats a 0 + * `spawnSync` timeout as UNBOUNDED, so 0 is rejected at construction). A + * probe that exceeds it reads as an unusable rung, so a + * host slow enough to trip the default — cold NFS mounts, heavily loaded + * CI — would otherwise be misclassified `SANDBOX_UNAVAILABLE` with no + * config escape. Bounds ONE probe, and the chain walk runs each at most once + * per provider lifetime. + */ + probeTimeoutMs?: number +} + +/** + * The `bwrap` profile arguments for one policy. The whole host tree is bound + * read-only; a fresh `/dev` keeps `>/dev/null` redirects working and a fresh + * `/proc` keeps process-inspecting tools working. `workspace-write` + * additionally mounts an ephemeral writable `/tmp` and rebinds the workspace + * root read-write (bind order matters: later binds overlay earlier ones). + * Deliberately NO `--unshare-pid` (it would break the process-group kill + * semantics shell consumers rely on) and NO network unsharing (the seam's + * mode vocabulary promises file effects only). + * @param policy - the file-effect policy to express as bwrap arguments. + * @returns the bwrap profile arguments (before the trailing `--` + argv). + */ +export function bwrapProfileArgs(policy: SandboxPolicy): string[] { + const args = ['--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent'] + if (policy.mode === 'workspace-write') { + args.push('--tmpfs', '/tmp') + args.push('--bind', policy.workspaceRoot, policy.workspaceRoot) + } + return args +} + +/** + * The `landlock-run` grant arguments for one policy — the bwrap + * profile's file-effect semantics expressed as a Landlock allow-list + * (Landlock cannot mount, so there are no fresh/ephemeral filesystems). The + * whole tree is readable and executable; of `/dev`, ONLY `/dev/null` is + * writable — a whole-`/dev` grant would expose real host paths beneath it + * (`/dev/shm`, a shared tmpfs) to persistent writes, which `read-only` + * promises never happen. bwrap can hand out a fresh ephemeral `/dev`; on the + * host's own `/dev` the write grant must be node-by-node, and `>/dev/null` + * is the one redirects need. `workspace-write` adds the HOST `/tmp` (shared + * and persistent, where bwrap's is ephemeral — the honest difference, + * recorded in the sandbox RFC's runner notes) plus the workspace + * root read-write. The flag spelling belongs to `node-addon-landlock-run`'s + * `grantArgs`; this function owns only the policy → grants mapping. + * @param policy - the file-effect policy to express as launcher grants. + * @returns the launcher grant arguments (before `--` + argv). + */ +export function landlockProfileArgs(policy: SandboxPolicy): string[] { + const readWrite = ['/dev/null'] + if (policy.mode === 'workspace-write') { + readWrite.push('/tmp', policy.workspaceRoot) + } + return landlockGrantArgs({ readOnly: ['/'], readWrite }) +} + +/** + * Resolve a granted root to the path the kernel actually sees. Seatbelt path + * filters match the CANONICAL path (symlinks resolved), and the roots this + * profile grants are symlinked on every macOS: `/tmp` is `/private/tmp` and + * the user temp dir lives under `/var` → `/private/var` — an as-spelled + * grant would match nothing. + */ +function canonicalPath(path: string): string { + try { + return realpathSync(path) + } catch { + // realpathSync failed: the path (or a prefix) is missing or unreadable. + // Grant the spelling as-is — an unresolvable root matches nothing until + // it exists, which is the conservative outcome, and inventing a fallback + // resolution here would grant a path the caller never named. + return path + } +} + +/** Quote one path as an SBPL string literal (backslashes and double quotes escaped). */ +function sbplString(path: string): string { + return `"${path.replaceAll('\\', String.raw`\\`).replaceAll('"', String.raw`\"`)}"` +} + +/** + * The `sandbox-exec` arguments for one policy: `-p` plus a Seatbelt (SBPL) + * profile with the same file-effect semantics as the other dialects, built + * as allow-default → `(deny file-write*)` → write allow-list (later rules + * win), so exactly the mode's promised file effects are governed — network + * and process visibility stay unrestricted, which is all the seam's mode + * vocabulary claims. Of `/dev`, ONLY the `/dev/null` literal is writable + * (the same node-not-directory reasoning as the Landlock grant). + * `workspace-write` adds the workspace root, the host `/tmp`, and the + * per-user darwin temp dir (`os.tmpdir()`, launchd's `TMPDIR`, inherited by + * the confined child) — on darwin that directory IS the platform's `/tmp` + * for every mkstemp-family tool, so omitting it would deny the mode's + * promised temp area. All granted roots are canonicalized because Seatbelt + * matches resolved paths ({@link canonicalPath}); duplicates after + * resolution collapse. + * @param policy - the file-effect policy to express as an SBPL profile. + * @returns the `sandbox-exec` arguments (`-p` + profile, before `--` + argv). + */ +export function seatbeltProfileArgs(policy: SandboxPolicy): string[] { + const forms = ['(version 1)', '(allow default)', '(deny file-write*)', `(allow file-write* (literal ${sbplString('/dev/null')}))`] + if (policy.mode === 'workspace-write') { + const roots = [...new Set([policy.workspaceRoot, '/tmp', tmpdir()].map(canonicalPath))] + forms.push(`(allow file-write* ${roots.map(root => `(subpath ${sbplString(root)})`).join(' ')})`) + } + return ['-p', forms.join(' ')] +} + +/** + * Functional `bwrap` probe: can it actually build the read-only profile on + * this host? (`--version` alone would miss a disabled unprivileged user + * namespace.) Synchronous by design — it runs once, lazily, before the first + * confined wrap, and the chain's verdict is cached for the provider's + * lifetime. `timeoutMs` bounds the probe (the `probeTimeoutMs` config). + * The Landlock rung needs no such helper: resolution (`launcherPath`) and + * the functional probe (`probe`) come from `node-addon-landlock-run`, the + * package family that ships the launcher binary itself, so the probe-report + * parsing can never drift against the binary. + */ +function defaultProbeBwrap(timeoutMs: number): boolean { + const probe = spawnSync('bwrap', ['--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent', '--', 'true'], { + timeout: timeoutMs, + stdio: 'ignore', + }) + return probe.status === 0 +} + +/** + * Functional Seatbelt probe: apply the real `read-only` profile through + * `sandbox-exec -p` and run `true` under it — exit 0 means the kernel + * accepted and enforced the profile (`sandbox-exec` exits non-zero when + * `sandbox_init` refuses it). A missing `sandbox-exec` (every non-macOS + * host) fails the spawn and probes `unusable`, exactly like the other + * rungs' absent binaries. Apple marks the CLI deprecated but ships it on + * every macOS; if it ever disappears, this probe is what fails closed. + */ +function defaultProbeSeatbelt(seatbeltExec: string, timeoutMs: number): boolean { + const probe = spawnSync(seatbeltExec, [...seatbeltProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { + timeout: timeoutMs, + stdio: 'ignore', + }) + return probe.status === 0 +} + +/** Test seam: inject probe verdicts / a fake launcher / a platform without real runners. */ +export interface SandboxInternals { + /** Replaces `process.platform` for chain selection (exercise any platform's chain from any host). */ + platform?: string + /** Replaces the platform's chain wholesale (walk mechanics — e.g. probing a rung the product chains only reach unprobed). */ + chain?: readonly SelectedRunner['runner'][] + /** Replaces the functional `bwrap` probe (the Linux chain's first rung). */ + probeBwrap?: () => boolean + /** Replaces the functional Landlock launcher probe (the Linux chain's second rung). */ + probeLandlock?: (launcher: string) => SandboxEnforcement | 'unusable' + /** Replaces the functional Seatbelt probe (the darwin chain's sole rung — only consulted if that chain ever grows). */ + probeSeatbelt?: (seatbeltExec: string) => boolean + /** Replaces the resolved `landlock-run` launcher path (a fake launcher script). */ + landlockLauncher?: string + /** Replaces the `sandbox-exec` executable the probe and wraps invoke (a fake script). */ + seatbeltExec?: string +} + +/** The chain's verdict: which runner confines, and how completely it enforces. */ +type SelectedRunner = { runner: 'bwrap' | 'landlock' | 'seatbelt'; enforcement: SandboxEnforcement } + +/** + * The runner chain per platform — selection is BY PLATFORM first, probes + * second: a platform's chain is probed in preference order only when it has + * MORE than one candidate (probing arbitrates; it does not re-validate a + * choice that has no alternative). A platform with no chain fails closed at + * `confine()`. Linux prefers `bwrap` (its mount profile is closest to the + * mode vocabulary) over the Landlock launcher; darwin has exactly one + * candidate, selected without any probe. + */ +const PLATFORM_CHAINS: Record<string, readonly SelectedRunner['runner'][]> = { + linux: ['bwrap', 'landlock'], + darwin: ['seatbelt'], + // Reserved slot, deliberately empty: Windows support fills it with a + // confinement runner (AppContainer / restricted-token family, shipped from + // its own repository on the landlock-run template) plus a + // SelectedRunner['runner'] union member — the switches' assertNever guards + // then walk the implementer to every site. An empty chain fails closed at + // confine(), identical to an unlisted platform: reserving the slot never + // weakens the fail-closed end. + win32: [], +} + +/** + * Enforcement completeness a rung claims when selected WITHOUT a probe (a + * chain of one). `bwrap` and Seatbelt govern every promised file effect by + * construction, so the claim is a profile fact; `landlock` is listed for the + * table's totality but is unreachable unprobed today (the Linux chain has + * two rungs, so it is only ever selected through its probe, whose report is + * what distinguishes full from per-ABI-partial — and the launcher additionally + * self-reports partial enforcement on stderr at every confined run). + */ +const STATIC_ENFORCEMENT: Record<SelectedRunner['runner'], SandboxEnforcement> = { + bwrap: 'full', + landlock: 'full', + seatbelt: 'full', +} + +/** + * A probe bound must be a positive finite number: Node treats + * `spawnSync({ timeout: 0 })` as NO timeout, so an unvalidated 0 would + * silently mean "unbounded" — the opposite of what the field promises. + */ +function assertPositiveFinite(name: string, value: number): void { + if (!Number.isFinite(value) || value <= 0) { + throw new Error(`sandbox-local: ${name} must be a positive finite number`) + } +} + +/** + * The denial dialect each runner's kernel speaks — the case-insensitive + * stderr substrings a denied file effect produces under it, carried on every + * wrap (the seam's `ConfinedArgv.denialSignatures`). Kernel facts, not + * tunables: bwrap denies through its read-only bind mounts (EROFS), Landlock + * refuses with EACCES, Seatbelt with EPERM — whose text is also what + * non-file EPERM boundaries print, the residual imprecision the consumer's + * conservative classifier documents. An operator-configured `runnerCommand` + * has an unknown kernel mechanism, so its wraps carry both Linux file-denial + * dialects; bare EPERM stays excluded there (it names non-file boundaries + * the mode vocabulary does not govern). + */ +const DENIAL_SIGNATURES = { + bwrap: ['read-only file system'], + landlock: ['permission denied'], + seatbelt: ['operation not permitted'], + runnerCommand: ['read-only file system', 'permission denied'], +} as const satisfies Record<SelectedRunner['runner'] | 'runnerCommand', readonly string[]> + +/** + * How each runner's OWN failure identifies itself on stderr (the seam's + * `ConfinedArgv.runnerFailureSignatures`): every runner prefixes its error + * lines with its program name, and the shell's runner-not-found message + * carries the same `name: ` shape (`bash: bwrap: command not found`, + * `bash: …/bin/landlock-run: No such file or directory`) — so one substring + * per runner covers both "runner broke" and "runner missing". Consumers + * match these BEFORE the denial dialect: a runner's error text can contain + * denial words (an unopenable grant root reports `Permission denied`), and + * a runner failure means the command never ran at all. + */ +const RUNNER_FAILURE_SIGNATURES = { + bwrap: ['bwrap: '], + landlock: [`${LAUNCHER_BIN}: `], + seatbelt: ['sandbox-exec: '], +} as const satisfies Record<SelectedRunner['runner'], readonly string[]> + +/** + * Local process-sandbox provider. Registers as `ctx.sandbox`. Stateless + * apart from the cached chain verdict — it spawns nothing but the one-time + * probes, so there is no disposal work beyond cordis' own. + */ +export class LocalSandboxProvider extends SandboxProvider { + // Inline schema call: the config catalog walks `static Config` statically. + static Config: z<Config> = z.object({ + runnerCommand: z.array(z.string()).default([]), + runnerFailureSignatures: z.array(z.string()).default([]), + probeTimeoutMs: z.natural().default(5_000), + }) + + /** Test seam (mirrors the bash executors' `internals`). */ + internals: SandboxInternals = {} + + private readonly runnerCommand: string[] | undefined + private readonly configuredRunnerFailureSignatures: string[] + private readonly probeTimeoutMs: number + /** Cached chain verdict; undefined until the first confined wrap needs it. */ + private selectedRunner: SelectedRunner | 'unavailable' | undefined + + constructor(ctx: Context, config: Config) { + super(ctx) + // The schema (static Config) defaults every field — the casts record + // those runtime facts. An empty runnerCommand means "not configured": + // use the platform chain. + const runner = config.runnerCommand as string[] + const runnerFailureSignatures = config.runnerFailureSignatures as string[] + if (runner.length === 0 && runnerFailureSignatures.length > 0) { + throw new Error('sandbox-local: runnerFailureSignatures requires runnerCommand') + } + if (runner.length > 0 && runnerFailureSignatures.length === 0) { + throw new Error('sandbox-local: runnerCommand requires at least one runnerFailureSignatures entry') + } + if (runnerFailureSignatures.some(signature => signature.trim().length === 0)) { + throw new Error('sandbox-local: runnerFailureSignatures entries must be non-empty') + } + this.runnerCommand = runner.length > 0 ? runner : undefined + this.configuredRunnerFailureSignatures = runnerFailureSignatures + this.probeTimeoutMs = config.probeTimeoutMs as number + assertPositiveFinite('probeTimeoutMs', this.probeTimeoutMs) + } + + /** + * Wrap `argv` in the selected runner's invocation for `policy` — the + * configured `runnerCommand` when present (the operator's assertion, no + * probe), else the platform chain's runner speaking its own profile + * dialect. Every wrap carries the runner's enforcement completeness, its + * denial dialect, and its runner-failure signatures. + * @param argv - the exact argv the caller is about to spawn. + * @param policy - the file-effect policy this execution runs under. + * @returns the wrapped argv plus the selected backend's enforcement + * completeness, denial signatures, and runner-failure signatures; + * throws the fail-closed `SANDBOX_UNAVAILABLE` error when the platform + * has no usable runner. + */ + confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv { + if (this.runnerCommand !== undefined) { + const argv0 = this.runnerCommand[0] as string + return { + argv: [...this.runnerCommand, ...bwrapProfileArgs(policy), '--', ...argv], + enforcement: 'full', + denialSignatures: DENIAL_SIGNATURES.runnerCommand, + // The operator names the configured runner's OWN pre-exec refusal + // dialect; the consumer additionally re-joins the wrap through an + // outer `bash -c 'exec …'`, so we can add the missing/unexecutable + // outer-shell shapes ourselves. Scoping every automatic shape to + // argv0 keeps in-command errors out (a bare `exec:`/`Permission + // denied` prefix would claim tool output; `exec: <argv0>: not found` + // cannot). The residual text-collision trade is documented by the + // seam's conservative classifier contract. + runnerFailureSignatures: [ + ...this.configuredRunnerFailureSignatures, + `exec: ${argv0}: not found`, + `${argv0}: No such file or directory`, + `${argv0}: Permission denied`, + ], + } + } + const selected = this.selectRunner(policy.mode) + return { + argv: [...this.runnerArgv(selected.runner, policy), '--', ...argv], + enforcement: selected.enforcement, + denialSignatures: DENIAL_SIGNATURES[selected.runner], + runnerFailureSignatures: RUNNER_FAILURE_SIGNATURES[selected.runner], + } + } + + /** The selected rung's runner invocation (program + profile arguments) for one policy. */ + private runnerArgv(runner: SelectedRunner['runner'], policy: SandboxPolicy): string[] { + switch (runner) { + case 'bwrap': return ['bwrap', ...bwrapProfileArgs(policy)] + case 'landlock': return [this.landlockLauncher(), ...landlockProfileArgs(policy)] + case 'seatbelt': return [this.seatbeltExec(), ...seatbeltProfileArgs(policy)] + default: return assertNever(runner) + } + } + + /** + * Resolve which runner confines commands, once, for the provider's + * lifetime: this platform's chain ({@link PLATFORM_CHAINS}), its sole + * candidate selected directly, multiple candidates arbitrated by + * functional probes in chain order. Fail closed when the platform has no + * chain or no candidate passes — the command never runs. + */ + private selectRunner(mode: ConfinedSandboxMode): SelectedRunner { + this.selectedRunner ??= this.chainVerdict() + if (this.selectedRunner === 'unavailable') throw new SandboxUnavailableError(mode) + return this.selectedRunner + } + + /** Walk this platform's chain: sole candidate unprobed, several probed in order, none usable → unavailable. */ + private chainVerdict(): SelectedRunner | 'unavailable' { + const chain = this.internals.chain ?? PLATFORM_CHAINS[this.internals.platform ?? process.platform] ?? [] + const [first, ...rest] = chain + if (first === undefined) return 'unavailable' + // One candidate = nothing to arbitrate: select it without probing. Its + // runner fails closed at EXECUTION time if unusable (refuses to run the + // command), and the wrap's runnerFailureSignatures let the consumer + // classify that as a sandbox failure — never a silent unconfined run, + // never a plain task failure. + if (rest.length === 0) return { runner: first, enforcement: STATIC_ENFORCEMENT[first] } + for (const runner of chain) { + const enforcement = this.probeRunner(runner) + if (enforcement !== 'unusable') return { runner, enforcement } + } + return 'unavailable' + } + + /** One rung's functional probe (each at most once, via the chain walk). */ + private probeRunner(runner: SelectedRunner['runner']): SandboxEnforcement | 'unusable' { + // bwrap's mount profile and Seatbelt's deny-file-write* profile govern + // every promised file effect by construction, so their passing probes + // are always full enforcement; only the Landlock launcher's probe report + // distinguishes full from per-ABI-partial. + switch (runner) { + case 'bwrap': { + const probe = this.internals.probeBwrap ?? (() => defaultProbeBwrap(this.probeTimeoutMs)) + return probe() ? 'full' : 'unusable' + } + case 'landlock': { + const probe = this.internals.probeLandlock ?? (launcher => defaultProbeLandlock(launcher, { timeoutMs: this.probeTimeoutMs })) + return probe(this.landlockLauncher()) + } + case 'seatbelt': { + const probe = this.internals.probeSeatbelt ?? (exec => defaultProbeSeatbelt(exec, this.probeTimeoutMs)) + return probe(this.seatbeltExec()) ? 'full' : 'unusable' + } + default: return assertNever(runner) + } + } + + /** The Landlock launcher to probe and exec (test seam over the resolved one). */ + private landlockLauncher(): string { + return this.internals.landlockLauncher ?? landlockLauncherPath() + } + + /** The `sandbox-exec` executable to probe and exec (test seam over the system one). */ + private seatbeltExec(): string { + return this.internals.seatbeltExec ?? 'sandbox-exec' + } +} + +export default LocalSandboxProvider diff --git a/packages/sandbox/sandbox-local/tests/bwrap.e2e.ts b/packages/sandbox/sandbox-local/tests/bwrap.e2e.ts new file mode 100644 index 0000000000..da6e683da1 --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/bwrap.e2e.ts @@ -0,0 +1,118 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync, rmSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir, tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import type { SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { bwrapProfileArgs, LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' + +/** + * KEYLESS bwrap integration proof for the BACKEND: the REAL `bwrap` confining + * REAL processes through `confine()` + a direct spawn of the returned argv. + * Nothing is forced off: bwrap is the ladder's FIRST rung, so a passing probe + * selects it naturally — the wrap shape assertion pins that. Verifies the + * WORLD (files exist or don't) and that the kernel's denial text matches the + * dialect the wrap advertises; the through-`ctx.bash` consumer proof lives + * with `@deepseek-ai/dsh-bash-sandbox`. + * + * Self-skips wherever the functional probe fails — no `bwrap` on PATH, or a + * host that denies unprivileged user namespaces (the probe is the same + * profile the provider enforces, so skip conditions match runtime exactly). + * + * Workspaces for the workspace-write tests live under the HOME directory on + * purpose: bwrap's `/tmp` is an EPHEMERAL mount (the documented + * bwrap-profile difference — pinned by its own test below), so only a + * workspace OUTSIDE `/tmp` proves the workspace-root rebind itself. + */ + +const probe = spawnSync('bwrap', [...bwrapProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { timeout: 5_000, stdio: 'ignore' }) +const bwrapUsable = probe.status === 0 + +let ctx: Context | undefined +const tempDirs: string[] = [] +const tempFiles: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) + for (const file of tempFiles.splice(0)) rmSync(file, { force: true }) +}) + +async function tempDir(base: string): Promise<string> { + const dir = await mkdtemp(join(base, 'dsh-bwrap-e2e-')) + tempDirs.push(dir) + return dir +} + +async function provider(): Promise<LocalSandboxProvider> { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + return ctx.sandbox as LocalSandboxProvider +} + +/** Confine a shell command under `policy` and run it for real; returns the spawn result and the wrap's facts. */ +function runConfined(sandbox: LocalSandboxProvider, command: string, policy: SandboxPolicy) { + const confined = sandbox.confine(['bash', '-c', command], policy) + const result = spawnSync(confined.argv[0] as string, confined.argv.slice(1), { timeout: 30_000, encoding: 'utf8' }) + return { result, confined } +} + +describe.skipIf(!bwrapUsable)('sandbox-local: real bwrap confinement', () => { + it('the passing probe selects the bwrap rung naturally — first in the ladder, full enforcement, EROFS dialect', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const confined = sandbox.confine(['true'], { mode: 'read-only', workspaceRoot: workdir }) + expect(confined.argv[0]).toBe('bwrap') + expect(confined.enforcement).toBe('full') + expect(confined.denialSignatures).toEqual(['read-only file system']) + }) + + it('read-only denies a write — the file must NOT exist, and the kernel speaks the advertised dialect', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, `echo hi > ${workdir}/denied.txt`, { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).not.toBe(0) + // The wrap's denialSignatures must be what the kernel actually prints. + expect(result.stderr.toLowerCase()).toContain('read-only file system') + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('read-only keeps the tree readable/executable and the fresh /dev/null writable', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, 'ls / > /dev/null && echo dev-ok', { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(result.stdout).toBe('dev-ok\n') + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const sandbox = await provider() + + const inside = runConfined(sandbox, `printf bwrap-ok > ${workdir}/allowed.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(inside.result.status).toBe(0) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('bwrap-ok') + + const denied = runConfined(sandbox, `echo hi > ${outside}/denied.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(denied.result.status).not.toBe(0) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('workspace-write mounts an EPHEMERAL /tmp: the write succeeds inside, the host /tmp stays untouched', async () => { + // The documented bwrap-profile difference: Landlock and Seatbelt grant + // the HOST temp areas, bwrap swaps in a fresh tmpfs that dies with the + // process — the strongest of the three temp semantics. + const workdir = await tempDir(homedir()) + const target = `/tmp/dsh-bwrap-e2e-ephemeral-${process.pid}.txt` + tempFiles.push(target) + const sandbox = await provider() + const { result } = runConfined(sandbox, `printf tmp-ok > ${target} && cat ${target}`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(result.stdout).toBe('tmp-ok') + expect(existsSync(target)).toBe(false) + }) +}) diff --git a/packages/sandbox/sandbox-local/tests/landlock.e2e.ts b/packages/sandbox/sandbox-local/tests/landlock.e2e.ts new file mode 100644 index 0000000000..104d3b318a --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/landlock.e2e.ts @@ -0,0 +1,118 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir, tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import type { SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { launcherPath } from 'node-addon-landlock-run' +import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' + +/** + * KEYLESS Landlock integration proof for the BACKEND: the REAL npm-distributed + * `landlock-run` launcher (`node-addon-landlock-run`) confining REAL processes through `confine()` + a direct + * spawn of the returned argv, with the bwrap rung forced off so the ladder + * lands on the launcher. Verifies the WORLD (files exist or don't), not the + * wrapper argv alone; the through-`ctx.bash` consumer proof lives with + * `@deepseek-ai/dsh-bash-sandbox`. + * + * Self-skips when the running kernel does not enforce Landlock (or this + * platform has no launcher package — the probe cannot pass then). The + * binary itself arrives with `pnpm install`, so absence is not a checkout + * state. + * + * Workspaces live under the HOME directory on purpose: `workspace-write` + * grants the host `/tmp` wholesale (the documented Landlock-profile + * difference), so only a workspace OUTSIDE `/tmp` proves the workspace-root + * grant itself. + */ + +const probe = spawnSync(launcherPath(), ['--probe'], { timeout: 5_000, encoding: 'utf8' }) +const landlockUsable = probe.status === 0 +/** The running kernel's enforcement level, from the launcher's probe report — every wrap below must carry exactly this. */ +const enforcement = /partially enforced/.test(probe.stdout ?? '') ? 'partial' : 'full' + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise<string> { + const dir = await mkdtemp(join(base, 'dsh-landlock-e2e-')) + tempDirs.push(dir) + return dir +} + +async function provider(): Promise<LocalSandboxProvider> { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + const sandbox = ctx.sandbox as LocalSandboxProvider + sandbox.internals = { probeBwrap: () => false } + return sandbox +} + +/** Confine a shell command under `policy` and run it for real; returns the spawn result and the wrap's enforcement. */ +function runConfined(sandbox: LocalSandboxProvider, command: string, policy: SandboxPolicy) { + const confined = sandbox.confine(['bash', '-c', command], policy) + const result = spawnSync(confined.argv[0] as string, confined.argv.slice(1), { timeout: 30_000, encoding: 'utf8' }) + return { result, enforcement: confined.enforcement } +} + +describe.skipIf(!landlockUsable)('sandbox-local: real Landlock confinement through the bundled launcher', () => { + it('read-only denies a write — the file must NOT exist, the wrap reports the probed enforcement', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result, enforcement: wrapped } = runConfined(sandbox, `echo hi > ${workdir}/denied.txt`, { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).not.toBe(0) + expect(wrapped).toBe(enforcement) + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('read-only keeps the tree readable/executable and /dev/null writable', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, 'ls / > /dev/null && echo dev-ok', { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(result.stdout).toBe('dev-ok\n') + }) + + it('read-only denies a write beneath the host /dev (the /dev/shm tmpfs must stay untouched)', async () => { + // The grant is /dev/null the FILE, not /dev the directory: /dev/shm is a + // world-writable host tmpfs, and a write landing there would be exactly + // the persistent host effect read-only promises never happen. + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const target = `/dev/shm/dsh-landlock-e2e-${process.pid}` + const { result } = runConfined(sandbox, `echo hi > ${target}`, { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).not.toBe(0) + expect(existsSync(target)).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const sandbox = await provider() + + const inside = runConfined(sandbox, `printf landlock-ok > ${workdir}/allowed.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(inside.result.status).toBe(0) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('landlock-ok') + + const denied = runConfined(sandbox, `echo hi > ${outside}/denied.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(denied.result.status).not.toBe(0) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('workspace-write grants the host /tmp (the documented Landlock-profile difference)', async () => { + const workdir = await tempDir(homedir()) + const scratch = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, `printf tmp-ok > ${scratch}/scratch.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(readFileSync(join(scratch, 'scratch.txt'), 'utf8')).toBe('tmp-ok') + }) +}) diff --git a/packages/sandbox/sandbox-local/tests/local.spec.ts b/packages/sandbox/sandbox-local/tests/local.spec.ts new file mode 100644 index 0000000000..852a50e1e9 --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/local.spec.ts @@ -0,0 +1,371 @@ +/** + * LocalSandboxProvider tests. No real runner is assumed to exist on the test + * host: `runnerCommand` injects deterministic runner argvs, and `internals` + * injects probe verdicts plus fake Landlock launcher / `sandbox-exec` + * scripts, so profile dialects, ladder selection, verdict caching, + * probe-report parsing, per-rung denial signatures, and fail-closed behavior + * are all exercised through the real `confine()` path. + */ + +import { mkdtempSync, realpathSync, writeFileSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import { SANDBOX_UNAVAILABLE, SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' +import type { SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { + bwrapProfileArgs, + landlockProfileArgs, + LocalSandboxProvider, + seatbeltProfileArgs, +} from '@deepseek-ai/dsh-sandbox-local' +import type { Config } from '@deepseek-ai/dsh-sandbox-local' + +const RO: SandboxPolicy = { mode: 'read-only', workspaceRoot: '/ws' } +const WW: SandboxPolicy = { mode: 'workspace-write', workspaceRoot: '/ws' } + +async function setup(config: Config = {}, internals: LocalSandboxProvider['internals'] = {}) { + const ctx = new Context() + await ctx.plugin(LocalSandboxProvider, config) + const sandbox = ctx.sandbox as LocalSandboxProvider + sandbox.internals = internals + return { ctx, sandbox } +} + +/** Write an executable fake `landlock-run` that answers `--probe` with `report`. */ +function fakeLauncher(report = 'landlock: fully enforced'): string { + const dir = mkdtempSync(join(tmpdir(), 'dsh-fake-landlock-')) + const launcher = join(dir, 'landlock-run') + writeFileSync(launcher, `#!/bin/sh\nif [ "$1" = "--probe" ]; then echo "${report}"; exit 0; fi\nexit 125\n`, { mode: 0o755 }) + return launcher +} + +/** Write an executable fake `sandbox-exec` that exits `status` for any invocation. */ +function fakeSeatbeltExec(status: number): string { + const dir = mkdtempSync(join(tmpdir(), 'dsh-fake-seatbelt-')) + const exec = join(dir, 'sandbox-exec') + writeFileSync(exec, `#!/bin/sh\nexit ${status}\n`, { mode: 0o755 }) + return exec +} + +/** The seatbelt read-only profile — every seatbelt profile starts with these forms. */ +const SEATBELT_RO_PROFILE = '(version 1) (allow default) (deny file-write*) (allow file-write* (literal "/dev/null"))' + +describe('profile dialects', () => { + it('bwrap read-only: whole tree read-only with fresh /dev and /proc, no writable mounts', () => { + expect(bwrapProfileArgs(RO)).toEqual(['--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent']) + }) + + it('bwrap workspace-write: adds an ephemeral /tmp and rebinds the workspace root', () => { + expect(bwrapProfileArgs(WW)).toEqual([ + '--ro-bind', '/', '/', '--dev', '/dev', '--proc', '/proc', '--die-with-parent', + '--tmpfs', '/tmp', '--bind', '/ws', '/ws', + ]) + }) + + it('landlock read-only: readable tree plus a writable /dev/null, nothing else', () => { + // /dev/null specifically, NOT /dev: a whole-/dev grant would let confined + // commands write real host paths beneath it (/dev/shm) under read-only. + expect(landlockProfileArgs(RO)).toEqual(['--ro', '/', '--rw', '/dev/null']) + }) + + it('landlock workspace-write: adds the host /tmp and the workspace root', () => { + expect(landlockProfileArgs(WW)).toEqual(['--ro', '/', '--rw', '/dev/null', '--rw', '/tmp', '--rw', '/ws']) + }) + + it('seatbelt read-only: allow-default with every file write denied except the /dev/null literal', () => { + expect(seatbeltProfileArgs(RO)).toEqual(['-p', SEATBELT_RO_PROFILE]) + }) + + it('seatbelt workspace-write: one more allow for the canonicalized workspace root, /tmp, and the user temp dir', () => { + // `/ws` does not exist, so it is granted as spelled (the canonicalization + // fallback); `/tmp` and `os.tmpdir()` exist everywhere and are granted + // CANONICALIZED — Seatbelt matches resolved paths (`/tmp` IS + // `/private/tmp` on macOS), and both collapse to one grant on hosts + // where they resolve to the same directory. + const roots = [...new Set(['/ws', realpathSync('/tmp'), realpathSync(tmpdir())])] + const allow = `(allow file-write* ${roots.map(root => `(subpath "${root}")`).join(' ')})` + expect(seatbeltProfileArgs(WW)).toEqual(['-p', `${SEATBELT_RO_PROFILE} ${allow}`]) + }) + + it('seatbelt workspace-write dedups a workspace root that already IS the temp dir', () => { + const profile = seatbeltProfileArgs({ mode: 'workspace-write', workspaceRoot: tmpdir() })[1] as string + const grant = `(subpath "${realpathSync(tmpdir())}")` + expect(profile).toContain(grant) + expect(profile.split(grant)).toHaveLength(2) + }) +}) + +describe('runnerCommand config', () => { + it('a non-empty runnerCommand skips the chain: runner argv + bwrap-shaped profile + -- + caller argv, asserted full', async () => { + const probeBwrap = vi.fn(() => false) + const probeLandlock = vi.fn(() => 'unusable' as const) + const probeSeatbelt = vi.fn(() => false) + const { sandbox } = await setup({ + runnerCommand: ['fake-runner', '--flag'], + runnerFailureSignatures: ['fake-runner: profile rejected'], + }, { probeBwrap, probeLandlock, probeSeatbelt }) + const confined = sandbox.confine(['bash', '-c', 'echo hi'], WW) + expect(confined).toEqual({ + argv: ['fake-runner', '--flag', ...bwrapProfileArgs(WW), '--', 'bash', '-c', 'echo hi'], + enforcement: 'full', + // An operator runner's kernel mechanism is unknown: both Linux + // file-denial dialects, never bare EPERM. + denialSignatures: ['read-only file system', 'permission denied'], + // The runner's own dialect is unknown, but the consumer re-joins the + // wrap through an outer `bash -c 'exec …'` — a missing or + // unexecutable runner fails with the OUTER shell's argv0-scoped + // shapes, and those classify as sandbox failures like any rung. + runnerFailureSignatures: [ + 'fake-runner: profile rejected', + 'exec: fake-runner: not found', + 'fake-runner: No such file or directory', + 'fake-runner: Permission denied', + ], + }) + expect(probeBwrap).not.toHaveBeenCalled() + expect(probeLandlock).not.toHaveBeenCalled() + expect(probeSeatbelt).not.toHaveBeenCalled() + }) + + it('an EMPTY runnerCommand means unconfigured: the platform chain still gates the wrap', async () => { + const probeBwrap = vi.fn(() => false) + const { sandbox } = await setup({ runnerCommand: [] }, { platform: 'linux', probeBwrap, probeLandlock: () => 'unusable' }) + expect(() => sandbox.confine(['true'], RO)).toThrow(SandboxUnavailableError) + expect(probeBwrap).toHaveBeenCalledTimes(1) + }) + + it('requires an operator-owned failure dialect for every configured runner', async () => { + await expect(setup({ runnerCommand: ['fake-runner'] })).rejects.toThrow( + 'runnerCommand requires at least one runnerFailureSignatures entry', + ) + }) + + it('rejects runner failure signatures when no custom runner consumes them', async () => { + await expect(setup({ runnerFailureSignatures: ['profile rejected'] })).rejects.toThrow( + 'runnerFailureSignatures requires runnerCommand', + ) + }) + + it('rejects blank configured-runner failure signatures', async () => { + await expect(setup({ runnerCommand: ['fake-runner'], runnerFailureSignatures: [' '] })).rejects.toThrow( + 'runnerFailureSignatures entries must be non-empty', + ) + }) +}) + +describe('the platform chains', () => { + it('linux probes bwrap first: a passing probe wraps with the bwrap dialect at full enforcement', async () => { + const probeBwrap = vi.fn(() => true) + const probeLandlock = vi.fn(() => 'full' as const) + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap, probeLandlock }) + const confined = sandbox.confine(['true'], RO) + expect(confined).toEqual({ + argv: ['bwrap', ...bwrapProfileArgs(RO), '--', 'true'], + enforcement: 'full', + denialSignatures: ['read-only file system'], + runnerFailureSignatures: ['bwrap: '], + }) + expect(probeLandlock).not.toHaveBeenCalled() + }) + + it('linux falls back to the launcher when the bwrap probe fails, speaking the landlock dialect', async () => { + const probeBwrap = vi.fn(() => false) + const probeLandlock = vi.fn(() => 'full' as const) + const launcher = fakeLauncher() + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap, probeLandlock, landlockLauncher: launcher }) + const confined = sandbox.confine(['bash', '-c', 'echo hi'], WW) + expect(confined).toEqual({ + argv: [launcher, ...landlockProfileArgs(WW), '--', 'bash', '-c', 'echo hi'], + enforcement: 'full', + denialSignatures: ['permission denied'], + runnerFailureSignatures: ['landlock-run: '], + }) + expect(probeLandlock).toHaveBeenCalledWith(launcher) + }) + + it('darwin selects its sole candidate WITHOUT probing: nothing to arbitrate', async () => { + // The safety property moves to execution time: an unusable sandbox-exec + // refuses to run the command, and the wrap's runnerFailureSignatures let + // the consumer classify that as a sandbox failure, not a task failure. + const probeSeatbelt = vi.fn(() => true) + const { sandbox } = await setup({}, { platform: 'darwin', probeSeatbelt }) + const confined = sandbox.confine(['bash', '-c', 'echo hi'], RO) + expect(confined).toEqual({ + argv: ['sandbox-exec', ...seatbeltProfileArgs(RO), '--', 'bash', '-c', 'echo hi'], + enforcement: 'full', + denialSignatures: ['operation not permitted'], + runnerFailureSignatures: ['sandbox-exec: '], + }) + expect(probeSeatbelt).not.toHaveBeenCalled() + }) + + it('a platform with no chain fails closed without a single probe: the command never runs', async () => { + const probeBwrap = vi.fn(() => true) + const probeLandlock = vi.fn(() => 'full' as const) + const probeSeatbelt = vi.fn(() => true) + const { sandbox } = await setup({}, { platform: 'freebsd', probeBwrap, probeLandlock, probeSeatbelt }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ name: 'SandboxUnavailableError', code: SANDBOX_UNAVAILABLE })) + expect(probeBwrap).not.toHaveBeenCalled() + expect(probeLandlock).not.toHaveBeenCalled() + expect(probeSeatbelt).not.toHaveBeenCalled() + }) + + it('win32 is a reserved EMPTY chain: fails closed identically until a Windows runner fills it', async () => { + // The slot exists so Windows support is an additive fill-in (chain entry + // + runner union member), never a redesign — and reserving it must not + // weaken the fail-closed end in the meantime. + const { sandbox } = await setup({}, { platform: 'win32' }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) + + it('caches the verdict for the provider lifetime: one chain walk across wraps', async () => { + const probeBwrap = vi.fn(() => true) + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap }) + sandbox.confine(['true'], RO) + sandbox.confine(['true'], WW) + expect(probeBwrap).toHaveBeenCalledTimes(1) + }) + + it('the unavailable verdict is cached too, and the error is structured', async () => { + const probeBwrap = vi.fn(() => false) + const probeLandlock = vi.fn(() => 'unusable' as const) + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap, probeLandlock }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ name: 'SandboxUnavailableError', code: SANDBOX_UNAVAILABLE })) + expect(() => sandbox.confine(['true'], RO)).toThrow(SandboxUnavailableError) + expect(probeBwrap).toHaveBeenCalledTimes(1) + expect(probeLandlock).toHaveBeenCalledTimes(1) + }) + + it('a multi-rung chain probes a seatbelt rung like any other (the walk, not the platform table, decides)', async () => { + // The product chains reach seatbelt only as darwin's sole (unprobed) + // candidate; the chain seam exercises the probing path it would take in + // a grown chain, keeping the default seatbelt probe honest. + const exec = fakeSeatbeltExec(0) + const probeBwrap = vi.fn(() => false) + const { sandbox } = await setup({}, { chain: ['bwrap', 'seatbelt'], probeBwrap, seatbeltExec: exec }) + const confined = sandbox.confine(['true'], RO) + expect(confined.argv[0]).toBe(exec) + expect(confined.enforcement).toBe('full') + expect(probeBwrap).toHaveBeenCalledTimes(1) + }) + + it('a rogue chain entry throws via the probe walk\'s exhaustiveness guard (closed union)', async () => { + // Same convention as the wrap switch below: the union is closed, so a + // runner added later fails to compile at the probe switch instead of + // silently selecting without a probe. Only a cast can reach the guard. + const { sandbox } = await setup({}, { chain: ['chroot', 'bwrap'] as unknown as readonly ['bwrap'] }) + expect(() => sandbox.confine(['true'], RO)).toThrow('unreachable variant') + }) + + it('a rogue cached runner tag throws via the exhaustiveness guard (closed union)', async () => { + // The wrap switches on the chain verdict's runner tag and ends with + // assertNever: a rogue tag (only reachable by a cast — the union is + // closed and chainVerdict writes only its own literals) must throw, so a + // runner added later fails to compile at the switch instead of silently + // wrapping with another runner's dialect. + const { sandbox } = await setup() + ;(sandbox as unknown as { selectedRunner: unknown }).selectedRunner = { runner: 'chroot', enforcement: 'full' } + expect(() => sandbox.confine(['true'], RO)).toThrow('unreachable variant') + }) + + it('runs the real default probes on the linux chain when none are injected (usable here or fail closed there)', async () => { + // Pinning the platform (not the probes) makes the REAL defaultProbeBwrap + // spawn run on every host: bwrap answers on a Linux box, ENOENT reads as + // an unusable rung anywhere else — either way the walk is genuine. + const { sandbox } = await setup({}, { platform: 'linux' }) + const verdict = (() => { + try { + sandbox.confine(['true'], RO) + return 'usable' + } catch (error: unknown) { + if (error instanceof SandboxUnavailableError) return 'unavailable' + throw error + } + })() + expect(['usable', 'unavailable']).toContain(verdict) + }) + + it('walks the real platform chain when nothing is injected (usable here or fail closed there)', async () => { + const { sandbox } = await setup({}, {}) + const verdict = (() => { + try { + sandbox.confine(['true'], RO) + return 'usable' + } catch (error: unknown) { + if (error instanceof SandboxUnavailableError) return 'unavailable' + throw error + } + })() + expect(['usable', 'unavailable']).toContain(verdict) + }) +}) + +describe('the default landlock probe (launcher CLI contract)', () => { + it('parses a fully-enforced probe report as full enforcement', async () => { + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap: () => false, landlockLauncher: fakeLauncher() }) + expect(sandbox.confine(['true'], RO).enforcement).toBe('full') + }) + + it('parses a partially-enforced (older-ABI) probe report as partial enforcement', async () => { + const launcher = fakeLauncher('landlock: partially enforced (older ABI)') + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap: () => false, landlockLauncher: launcher }) + expect(sandbox.confine(['true'], RO).enforcement).toBe('partial') + }) + + it('reads a failing launcher as unusable: the chain ends and fails closed', async () => { + const dir = mkdtempSync(join(tmpdir(), 'dsh-fake-landlock-')) + const launcher = join(dir, 'landlock-run') + writeFileSync(launcher, '#!/bin/sh\nexit 125\n', { mode: 0o755 }) + const { sandbox } = await setup({}, { platform: 'linux', probeBwrap: () => false, landlockLauncher: launcher }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) +}) + +describe('probeTimeoutMs config', () => { + it('rejects 0 at construction: Node treats a 0 spawnSync timeout as UNBOUNDED, the opposite of the field', async () => { + const ctx = new Context() + await expect(ctx.plugin(LocalSandboxProvider, { probeTimeoutMs: 0 })) + .rejects.toThrow(/probeTimeoutMs must be a positive finite number/) + }) + + it('bounds the default probes: a launcher slower than the configured timeout reads as unusable', async () => { + // The same sleeping launcher passes under the default 5000ms budget and + // fails under a 250ms one — the config demonstrably reaches spawnSync. + const dir = mkdtempSync(join(tmpdir(), 'dsh-slow-landlock-')) + const launcher = join(dir, 'landlock-run') + writeFileSync(launcher, '#!/bin/sh\nsleep 1\necho "landlock: fully enforced"\nexit 0\n', { mode: 0o755 }) + + const patient = await setup({}, { platform: 'linux', probeBwrap: () => false, landlockLauncher: launcher }) + expect(patient.sandbox.confine(['true'], RO).enforcement).toBe('full') + + const impatient = await setup( + { probeTimeoutMs: 250 }, + { platform: 'linux', probeBwrap: () => false, landlockLauncher: launcher }, + ) + expect(() => impatient.sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) +}) + +describe('the default seatbelt probe (sandbox-exec contract)', () => { + // The product chains reach seatbelt only unprobed (darwin's sole + // candidate), so the default probe's contract is pinned through the chain + // seam: a grown chain must probe it like any other rung. + it('selects the rung when the executable applies the read-only profile and exits 0', async () => { + const exec = fakeSeatbeltExec(0) + const { sandbox } = await setup({}, { chain: ['bwrap', 'seatbelt'], probeBwrap: () => false, seatbeltExec: exec }) + const confined = sandbox.confine(['true'], RO) + expect(confined).toEqual({ + argv: [exec, ...seatbeltProfileArgs(RO), '--', 'true'], + enforcement: 'full', + denialSignatures: ['operation not permitted'], + runnerFailureSignatures: ['sandbox-exec: '], + }) + }) + + it('reads a failing executable as unusable: the chain ends and fails closed', async () => { + const { sandbox } = await setup({}, { chain: ['bwrap', 'seatbelt'], probeBwrap: () => false, seatbeltExec: fakeSeatbeltExec(1) }) + expect(() => sandbox.confine(['true'], RO)).toThrow(expect.objectContaining({ code: SANDBOX_UNAVAILABLE })) + }) +}) diff --git a/packages/sandbox/sandbox-local/tests/packed-install.e2e.ts b/packages/sandbox/sandbox-local/tests/packed-install.e2e.ts new file mode 100644 index 0000000000..9d0e8ade4f --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/packed-install.e2e.ts @@ -0,0 +1,173 @@ +import { spawnSync } from 'node:child_process' +import { accessSync, constants, existsSync, mkdtempSync, readFileSync, writeFileSync } from 'node:fs' +import { rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { afterAll, beforeAll, describe, expect, it } from 'vitest' + +/** + * KEYLESS publish-path rehearsal for this package's own distribution: the + * provider must work from its PACKED tarball plus its REGISTRY launcher + * dependency, not the git checkout. `pnpm pack` produces the EXACT bytes + * `pnpm publish` would upload; this suite packs the workspace closure + * (`dsh-sandbox-local` + its `@deepseek-ai` peers), installs the tarballs + * into a throwaway consumer OUTSIDE the repo — npm resolving the + * `node-addon-landlock-run` dependency (and its os/cpu-selected platform + * package) from the public registry, the real consumer path — and drives + * the INSTALLED packages under plain `node`: no tsx, no tsconfig paths, no + * workspace resolution, so a `files`-list omission, a broken launcher + * dependency, or a mode-stripped binary fails here instead of at the first + * real install. + * + * World-proofs: the registry-installed launcher carries this host's ELF + * architecture and IS executable (a tarball that loses the mode bit would + * otherwise masquerade as a non-enforcing kernel — the fail-closed branch + * below must never absorb that), and the installed provider confines a real + * process THROUGH it (bwrap forced off) — or fails closed when the running + * kernel does not enforce Landlock, which is itself the installed + * fail-closed contract. Byte provenance of the launcher is the + * `node-addon-landlock-run` repository's own release-pipeline concern. + * + * Self-skips off Linux or when the built `lib/` is absent (run + * `pnpm run build` first — CI's landlock legs do). + */ + +const packageDir = fileURLToPath(new URL('..', import.meta.url)) +const repoRoot = fileURLToPath(new URL('../../../..', import.meta.url)) + +/** The closure the consumer needs: the package and its transitive `@deepseek-ai` peers; the launcher family arrives from the registry. */ +const WORKSPACE_CLOSURE = [ + 'packages/sandbox/sandbox-local', + 'packages/sandbox/sandbox', + 'packages/llm/llm', + 'packages/util/brand', +] + +/** ELF `e_machine` (offset 18, LE) for this host: x86-64 = 62, AArch64 = 183. */ +const E_MACHINE = { x64: 62, arm64: 183 }[process.arch as 'x64' | 'arm64'] + +const packable = process.platform === 'linux' + && E_MACHINE !== undefined + && existsSync(join(packageDir, 'lib', 'index.js')) + +let consumerDir = '' +let workDir = '' +/** The consumer script's JSON verdict (see its source below). */ +let verdict: { + launcher: string + launcherExists: boolean + enforcing: boolean + wrapArgv0?: string + enforcement?: string + exitCode?: number | null + stderrHasDialect?: boolean + confineOutcome?: string +} = { launcher: '', launcherExists: false, enforcing: false } + +describe.skipIf(!packable)('sandbox-local: packed-tarball distribution (publish-path rehearsal)', () => { + beforeAll(async () => { + const packDest = mkdtempSync(join(tmpdir(), 'dsh-pack-')) + consumerDir = mkdtempSync(join(tmpdir(), 'dsh-packed-consumer-')) + workDir = mkdtempSync(join(tmpdir(), 'dsh-packed-work-')) + + // Pack each closure member with the exact bytes publish would upload. + const tarballs: string[] = [] + for (const pkg of WORKSPACE_CLOSURE) { + const pack = spawnSync('pnpm', ['pack', '--pack-destination', packDest], { + cwd: join(repoRoot, pkg), + encoding: 'utf8', + timeout: 120_000, + }) + expect(pack.status, `pnpm pack failed for ${pkg}:\n${pack.stdout}\n${pack.stderr}`).toBe(0) + const lines = pack.stdout.trim().split('\n') + tarballs.push(lines[lines.length - 1] as string) + } + + // A real consumer: plain ESM project, tarballs installed by npm — the + // peer ranges (^0.0.1) resolve to the tarball versions, cordis pins to + // the peer range's rc, and `node-addon-landlock-run` (with its + // os/cpu-selected platform package, an OPTIONAL dependency of the entry + // — so no `--omit=optional` here) comes from the public registry. + writeFileSync(join(consumerDir, 'package.json'), JSON.stringify({ name: 'dsh-packed-consumer', private: true, type: 'module' })) + const install = spawnSync('npm', ['install', '--no-audit', '--no-fund', ...tarballs, 'cordis@4.0.0-rc.6'], { + cwd: consumerDir, + encoding: 'utf8', + timeout: 300_000, + }) + expect(install.status, `npm install failed:\n${install.stdout}\n${install.stderr}`).toBe(0) + + // The consumer script runs under PLAIN node against the installed + // packages and reports a JSON verdict; every assertion happens back in + // the test. bwrap is forced off so the wrap must select the INSTALLED + // launcher; a non-enforcing kernel must surface the fail-closed error. + writeFileSync(join(consumerDir, 'consumer.mjs'), ` + import { spawnSync } from 'node:child_process' + import { existsSync } from 'node:fs' + import { Context } from 'cordis' + import { launcherPath } from 'node-addon-landlock-run' + import { LocalSandboxProvider } from '@deepseek-ai/dsh-sandbox-local' + const ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + const sandbox = ctx.sandbox + sandbox.internals = { probeBwrap: () => false } + const launcher = launcherPath() + const probe = spawnSync(launcher, ['--probe'], { encoding: 'utf8', timeout: 5000 }) + const out = { launcher, launcherExists: existsSync(launcher), enforcing: probe.status === 0 } + const workdir = process.argv[2] + if (out.enforcing) { + const confined = sandbox.confine(['bash', '-c', \`echo hi > \${workdir}/denied.txt\`], { mode: 'read-only', workspaceRoot: workdir }) + out.wrapArgv0 = confined.argv[0] + out.enforcement = confined.enforcement + const run = spawnSync(confined.argv[0], confined.argv.slice(1), { encoding: 'utf8', timeout: 30000 }) + out.exitCode = run.status + out.stderrHasDialect = /permission denied/i.test(run.stderr) + } else { + try { + sandbox.confine(['true'], { mode: 'read-only', workspaceRoot: workdir }) + out.confineOutcome = 'wrapped' + } catch (error) { + out.confineOutcome = error?.code === 'SANDBOX_UNAVAILABLE' ? 'fail-closed' : String(error) + } + } + console.log(JSON.stringify(out)) + `) + const consumer = spawnSync('node', ['consumer.mjs', workDir], { cwd: consumerDir, encoding: 'utf8', timeout: 60_000 }) + expect(consumer.status, `consumer script failed:\n${consumer.stdout}\n${consumer.stderr}`).toBe(0) + verdict = JSON.parse(consumer.stdout.trim().split('\n').pop() as string) as typeof verdict + }, 480_000) + + afterAll(async () => { + await Promise.all([consumerDir, workDir].filter(Boolean).map(dir => rm(dir, { recursive: true, force: true }))) + }) + + it('installs the registry launcher for this host: present, EXECUTABLE, right ELF arch', () => { + const installed = join(consumerDir, 'node_modules', `node-addon-landlock-run-linux-${process.arch}`, 'bin', 'landlock-run') + expect(existsSync(installed), 'platform package missing from the installed tree').toBe(true) + // A tarball or extraction step that strips the mode bit would leave the + // probe failing exactly like a non-enforcing kernel — assert it apart. + expect(() => { accessSync(installed, constants.X_OK) }, 'installed launcher is not executable').not.toThrow() + expect(readFileSync(installed).readUInt16LE(18), 'ELF e_machine').toBe(E_MACHINE) + }) + + it('the installed provider resolves the launcher INSIDE the consumer node_modules platform package', () => { + expect(verdict.launcher) + .toBe(join(consumerDir, 'node_modules', `node-addon-landlock-run-linux-${process.arch}`, 'bin', 'landlock-run')) + }) + + it('confines through the installed launcher (enforcing kernel) or fails closed (non-enforcing) — never unconfined', async () => { + // Fail-closed is only the acceptable outcome when the installed binary + // IS present and executable and the kernel merely does not enforce — + // the first test pins that apart, so nothing hides behind this branch. + expect(verdict.launcherExists, 'installed launcher missing').toBe(true) + if (verdict.enforcing) { + expect(verdict.wrapArgv0).toBe(verdict.launcher) + expect(['full', 'partial']).toContain(verdict.enforcement) + expect(verdict.exitCode).not.toBe(0) + expect(verdict.stderrHasDialect, 'kernel denial text must match the advertised dialect').toBe(true) + expect(existsSync(join(workDir, 'denied.txt'))).toBe(false) + } else { + expect(verdict.confineOutcome).toBe('fail-closed') + } + }) +}) diff --git a/packages/sandbox/sandbox-local/tests/seatbelt.e2e.ts b/packages/sandbox/sandbox-local/tests/seatbelt.e2e.ts new file mode 100644 index 0000000000..7136e4e524 --- /dev/null +++ b/packages/sandbox/sandbox-local/tests/seatbelt.e2e.ts @@ -0,0 +1,120 @@ +import { spawnSync } from 'node:child_process' +import { existsSync, readFileSync } from 'node:fs' +import { mkdtemp, rm } from 'node:fs/promises' +import { homedir, tmpdir } from 'node:os' +import { join } from 'node:path' +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import type { SandboxPolicy } from '@deepseek-ai/dsh-sandbox' +import { LocalSandboxProvider, seatbeltProfileArgs } from '@deepseek-ai/dsh-sandbox-local' + +/** + * KEYLESS Seatbelt integration proof for the BACKEND: the REAL macOS + * `sandbox-exec` confining REAL processes through `confine()` + a direct + * spawn of the returned argv, with the Linux rungs forced off so the ladder + * lands on Seatbelt. Verifies the WORLD (files exist or don't) and that the + * kernel's denial text matches the dialect the wrap advertises; the + * through-`ctx.bash` consumer proof lives with `@deepseek-ai/dsh-bash-sandbox`. + * + * Self-skips wherever the functional probe fails — every non-macOS host, or + * a macOS whose `sandbox-exec` refuses the profile. + * + * Workspaces for the workspace-write tests live under the HOME directory on + * purpose: `workspace-write` grants `/tmp` and the per-user temp dir + * wholesale (the documented Seatbelt-profile temp areas), so only a + * workspace OUTSIDE both proves the workspace-root grant itself. + */ + +const probe = spawnSync('sandbox-exec', [...seatbeltProfileArgs({ mode: 'read-only', workspaceRoot: '/' }), '--', 'true'], { timeout: 5_000, stdio: 'ignore' }) +const seatbeltUsable = probe.status === 0 + +let ctx: Context | undefined +const tempDirs: string[] = [] + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined + await Promise.all(tempDirs.splice(0).map(dir => rm(dir, { recursive: true, force: true }))) +}) + +async function tempDir(base: string): Promise<string> { + const dir = await mkdtemp(join(base, 'dsh-seatbelt-e2e-')) + tempDirs.push(dir) + return dir +} + +async function provider(): Promise<LocalSandboxProvider> { + ctx = new Context() + await ctx.plugin(LocalSandboxProvider, {}) + const sandbox = ctx.sandbox as LocalSandboxProvider + sandbox.internals = { probeBwrap: () => false, probeLandlock: () => 'unusable' } + return sandbox +} + +/** Confine a shell command under `policy` and run it for real; returns the spawn result and the wrap's facts. */ +function runConfined(sandbox: LocalSandboxProvider, command: string, policy: SandboxPolicy) { + const confined = sandbox.confine(['bash', '-c', command], policy) + const result = spawnSync(confined.argv[0] as string, confined.argv.slice(1), { timeout: 30_000, encoding: 'utf8' }) + return { result, confined } +} + +describe.skipIf(!seatbeltUsable)('sandbox-local: real Seatbelt confinement through sandbox-exec', () => { + it('read-only denies a write — the file must NOT exist, and the kernel speaks the advertised dialect', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result, confined } = runConfined(sandbox, `echo hi > ${workdir}/denied.txt`, { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).not.toBe(0) + expect(confined.enforcement).toBe('full') + // The wrap's denialSignatures must be what the kernel actually prints. + expect(result.stderr.toLowerCase()).toContain('operation not permitted') + expect(existsSync(join(workdir, 'denied.txt'))).toBe(false) + }) + + it('read-only keeps the tree readable/executable and /dev/null writable', async () => { + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined(sandbox, 'ls / > /dev/null && echo dev-ok', { mode: 'read-only', workspaceRoot: workdir }) + expect(result.status).toBe(0) + expect(result.stdout).toBe('dev-ok\n') + }) + + it('read-only grants no temp area: a write under the user temp dir is denied too', async () => { + // The per-user darwin temp dir is a workspace-write grant, not a + // read-only one — under read-only the only write-shaped path is /dev/null. + const workdir = await tempDir(tmpdir()) + const sandbox = await provider() + const target = join(workdir, 'tmp-denied.txt') + const { result } = runConfined(sandbox, `echo hi > ${target}`, { mode: 'read-only', workspaceRoot: await tempDir(homedir()) }) + expect(result.status).not.toBe(0) + expect(existsSync(target)).toBe(false) + }) + + it('workspace-write lands a write inside the workspace root and still denies one beside it', async () => { + const workdir = await tempDir(homedir()) + const outside = await tempDir(homedir()) + const sandbox = await provider() + + const inside = runConfined(sandbox, `printf seatbelt-ok > ${workdir}/allowed.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(inside.result.status).toBe(0) + expect(readFileSync(join(workdir, 'allowed.txt'), 'utf8')).toBe('seatbelt-ok') + + const denied = runConfined(sandbox, `echo hi > ${outside}/denied.txt`, { mode: 'workspace-write', workspaceRoot: workdir }) + expect(denied.result.status).not.toBe(0) + expect(existsSync(join(outside, 'denied.txt'))).toBe(false) + }) + + it('workspace-write grants /tmp and the user temp dir (the documented Seatbelt-profile temp areas)', async () => { + const workdir = await tempDir(homedir()) + const hostTmp = await tempDir('/tmp') + const userTmp = await tempDir(tmpdir()) + const sandbox = await provider() + const { result } = runConfined( + sandbox, + `printf tmp-ok > ${hostTmp}/scratch.txt && printf user-tmp-ok > ${userTmp}/scratch.txt`, + { mode: 'workspace-write', workspaceRoot: workdir }, + ) + expect(result.status).toBe(0) + expect(readFileSync(join(hostTmp, 'scratch.txt'), 'utf8')).toBe('tmp-ok') + expect(readFileSync(join(userTmp, 'scratch.txt'), 'utf8')).toBe('user-tmp-ok') + }) +}) diff --git a/packages/sandbox/sandbox-local/tsconfig.json b/packages/sandbox/sandbox-local/tsconfig.json new file mode 100644 index 0000000000..c756b6af69 --- /dev/null +++ b/packages/sandbox/sandbox-local/tsconfig.json @@ -0,0 +1,27 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../sandbox" + } + ] +} diff --git a/packages/sandbox/sandbox/README.md b/packages/sandbox/sandbox/README.md new file mode 100644 index 0000000000..ef381625b2 --- /dev/null +++ b/packages/sandbox/sandbox/README.md @@ -0,0 +1,11 @@ +# @deepseek-ai/dsh-sandbox + +Abstract process-sandbox seam. Owns the `ctx.sandbox` service contract ([`SandboxProvider`](src/index.ts)) and the confinement vocabulary the harness shares: `SandboxMode` (`read-only` / `workspace-write` / `danger-full-access`, file effects only), `SandboxEnforcement` (`full` / `partial`, per kernel ABI), `SandboxPolicy` (per-CALL policy — mode + workspace root), and the fail-closed `SANDBOX_UNAVAILABLE` error. Interface package of the [capability-seam split](../../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md): depends only on cordis (+ the harness error base), never on a backend. + +The contract in one line: `ctx.sandbox.confine(argv, policy)` returns the argv to spawn INSTEAD of your own — wrapped so the process (and everything it spawns) runs confined — plus two facts about the selected backend: the enforcement completeness it achieves and its denial dialect (`denialSignatures`, the stderr substrings its kernel prints on a denied file effect — what stderr-inferring consumers match instead of a cross-backend union); when no backend is usable it throws rather than passing the argv through unconfined. + +Policy rides the call, not the provider: two consumers may confine under different policies at the same instant (bash under `read-only` while a confined child agent keeps its state directory writable), and an approved escalated retry is just a new call with a wider policy. + +**Same-world confinement only.** A backend shares the host's filesystem and kernel (`bwrap`, Landlock, Seatbelt); `workspaceRoot` names a real host path. Containers, microVMs, and remote executors are NOT backends of this seam — they replace whole capability implementations (`ctx.bash`, `ctx.fs`) as environment-coherent groups. The boundary and its rationale: [the sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md). + +Implementations: [`@deepseek-ai/dsh-sandbox-local`](../sandbox-local/) (Linux: `bwrap`, else the per-platform Landlock launcher; macOS: `sandbox-exec`/Seatbelt). Consumers: [`@deepseek-ai/dsh-bash-sandbox`](../../bash/bash-sandbox/) (wraps `['bash', '-c', command]`). diff --git a/packages/sandbox/sandbox/package.json b/packages/sandbox/sandbox/package.json new file mode 100644 index 0000000000..b37ef714ea --- /dev/null +++ b/packages/sandbox/sandbox/package.json @@ -0,0 +1,32 @@ +{ + "name": "@deepseek-ai/dsh-sandbox", + "description": "Abstract process-sandbox seam (ctx.sandbox) for the DeepSeek Harness: same-world confinement vocabulary and the SandboxProvider contract", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-llm": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-llm": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/sandbox/sandbox/src/index.ts b/packages/sandbox/sandbox/src/index.ts new file mode 100644 index 0000000000..55b9da4540 --- /dev/null +++ b/packages/sandbox/sandbox/src/index.ts @@ -0,0 +1,199 @@ +/** + * The process-sandbox seam (`ctx.sandbox`): an abstract service defining WHAT + * platform confinement does — wrap a subprocess argv so it executes under a + * file-effect policy — without saying HOW. Implementations subclass + * {@link SandboxProvider} and register as the `sandbox` service; + * `@deepseek-ai/dsh-sandbox-local` (per-platform chains: Linux `bwrap` then the + * npm-distributed `landlock-run` launcher, macOS `sandbox-exec`/Seatbelt) is + * the first. + * Consumers hand over the exact argv they are about to spawn + * (`@deepseek-ai/dsh-bash-sandbox` wraps `['bash', '-c', command]`; a + * subagent backend wraps its child-agent argv) and spawn the returned argv + * instead. + * + * The seam confines SAME-WORLD subprocesses only: a backend shares the + * host's filesystem and kernel, and the policy's `workspaceRoot` names a + * real host path. Containers, microVMs, and remote executors are NOT + * backends of this seam — they are sibling implementations of whole + * capability seams (`ctx.bash`, `ctx.fs`), deployed as environment-coherent + * groups; the boundary is recorded in + * docs/rfc/implemented/feature/2026-07-06-sandbox.md. + * + * @module @deepseek-ai/dsh-sandbox + */ + +import { Context, Service } from 'cordis' +import { HarnessError } from '@deepseek-ai/dsh-llm' + +/** + * File-effect policy a sandbox backend enforces on confined processes. + * + * - `read-only` — the process cannot write the filesystem anywhere; a + * write-shaped `/dev/null` sink stays available so `>/dev/null` redirects + * keep working (HOW is the backend's choice: bwrap mounts a fresh `/dev`, + * the Landlock launcher and Seatbelt grant the single `/dev/null` node). + * - `workspace-write` — writes are allowed only under the policy's + * workspace root and `/tmp`; everything else stays read-only. Which `/tmp` + * is backend-specific — an ephemeral mount under bwrap, the HOST `/tmp` + * under the Landlock launcher, the host `/private/tmp` plus the per-user + * darwin temp dir under Seatbelt: the seam promises the write boundary, + * not the mount's nature. + * - `danger-full-access` — no confinement; a consumer configured with it + * spawns its argv unwrapped and never calls the provider. + * + * The mode governs FILE effects only: network and process visibility are not + * restricted (a backend that cannot honestly enforce them must not pretend + * to). How completely the file effects themselves are enforced is likewise a + * reported fact, not an assumption — see {@link SandboxEnforcement}. + */ +export type SandboxMode = 'read-only' | 'workspace-write' | 'danger-full-access' + +/** A confining (non-`danger-full-access`) mode — the modes a {@link SandboxPolicy} can carry. */ +export type ConfinedSandboxMode = Exclude<SandboxMode, 'danger-full-access'> + +/** + * How completely the selected backend enforces a confined mode's file + * effects. + * + * - `full` — every file effect the mode promises to block is governed: the + * `bwrap` mount profile, a Landlock kernel enforcing the launcher's whole + * ruleset, or an operator-configured runner (configuring one asserts full + * enforcement along with existence). + * - `partial` — the backend is active but the kernel governs only the subset + * of accesses its ABI knows (an older Landlock ABI: path-based truncate is + * ungoverned before ABI v3), so a file effect the mode promises to block + * may still land. A caller that needs the mode's promise to be absolute + * must treat `partial` as outside that promise. + */ +export type SandboxEnforcement = 'full' | 'partial' + +/** + * What one confined execution is allowed to touch — carried PER CALL, not + * fixed on the provider: two consumers may confine under different policies + * at the same instant (bash under `read-only` while a confined child agent + * needs its state directory writable), and an approved escalated retry is a + * new call with a wider policy. Defaulting/resolution is the consumer's + * explicit step (its config owns the fallback chain); the provider treats + * the policy as fully specified. + */ +export interface SandboxPolicy { + /** The file-effect mode this execution runs under. */ + mode: ConfinedSandboxMode + /** Absolute root directory `workspace-write` may write under. */ + workspaceRoot: string +} + +/** + * A {@link SandboxProvider.confine} result: the argv to spawn in place of + * the caller's own, plus the enforcement completeness the selected backend + * achieves for it. + */ +export interface ConfinedArgv { + /** The wrapped argv (runner, profile, separator, then the caller's argv). */ + argv: string[] + /** How completely the selected backend enforces the policy's file effects. */ + enforcement: SandboxEnforcement + /** + * The selected backend's denial DIALECT: the case-insensitive stderr + * substrings a file effect denied by THIS backend produces (EROFS text + * under bwrap's read-only binds, EACCES under Landlock, EPERM under + * Seatbelt). A consumer that infers denials from a failed run's stderr + * matches against exactly these rather than a cross-backend union — the + * union claims denials a given backend never produces. + */ + denialSignatures: readonly string[] + /** + * How the RUNNER ITSELF failing identifies itself: case-insensitive stderr + * substrings produced when the sandbox binary is missing, refuses its + * profile, or fails closed before exec'ing the command (`bwrap: `, + * `landlock-run: `, `sandbox-exec: ` — each covers both the runner's own + * error prefix and the shell's runner-not-found message). ORTHOGONAL to + * {@link denialSignatures}: a denial is the confined COMMAND being blocked + * (the sandbox working as designed); a runner failure means the command + * NEVER RAN and must surface as a sandbox failure, not a task failure — + * consumers check these signatures FIRST (a runner's own error text may + * contain denial words, e.g. an unopenable grant root reporting + * `Permission denied`). + */ + runnerFailureSignatures: readonly string[] +} + +/** + * Error `code` carried by the infrastructure error a provider throws when a + * confined policy is requested but no backend is available or usable on this + * host: confinement FAILS CLOSED (refuses to run) rather than silently + * executing unconfined. Thrown as a `HarnessError`, it reaches the model + * through the structured `{ name, code }` error channel on `tool/result`, so + * callers can distinguish "the sandbox is missing" from a failing command. + */ +export const SANDBOX_UNAVAILABLE = 'SANDBOX_UNAVAILABLE' + +/** + * Thrown by {@link SandboxProvider.confine} when a confined policy is + * requested but no backend is usable on this host: confinement fails closed. + * Carries the {@link SANDBOX_UNAVAILABLE} code through the structured + * `{ name, code }` error channel. + */ +export class SandboxUnavailableError extends HarnessError { + constructor(mode: ConfinedSandboxMode, detail?: string) { + super( + `sandbox mode "${mode}" is requested but no sandbox backend is usable on this host; ` + + 'refusing to run the command unconfined. Install bubblewrap or run a Landlock-enforcing ' + + 'kernel (Linux), ensure sandbox-exec is usable (macOS) — Windows has no confinement ' + + 'backend yet — or switch the consumer to danger-full-access.' + + (detail === undefined ? '' : ` Runner failure: ${detail}`), + SANDBOX_UNAVAILABLE, + ) + this.name = 'SandboxUnavailableError' + } +} + +declare module 'cordis' { + interface Context { + sandbox: SandboxProvider + } +} + +/** + * Abstract process-sandbox service. Subclass, implement {@link confine}, and + * load the subclass as a plugin — it registers as `ctx.sandbox` (one + * implementation per context; loading a second throws, cordis' standard + * duplicate-service behavior). + * + * Semantics every implementation must honor: + * - {@link confine} either returns an argv whose runner ENFORCES the policy + * or fails closed — at `confine` time with {@link SandboxUnavailableError} + * (no backend for this host), or at EXECUTION time by the runner itself + * refusing to run the command (exiting without exec'ing it, identified by + * {@link ConfinedArgv.runnerFailureSignatures}). A silent unconfined + * passthrough is never a legal outcome on either path. + * - Probing exists to ARBITRATE between multiple candidate backends and may + * be skipped when a platform has exactly one: the sole candidate is + * selected directly and the runner's exec-time fail-closed refusal carries + * the safety property. When probing does run, it is functional (actually + * enforcing a profile, not a version check), at most once per provider + * lifetime; `confine` itself spawns nothing beyond that one-time probing. + * - The returned {@link ConfinedArgv.enforcement} states the backend's + * actual completeness for THIS host; `partial` is reported, never silently + * upgraded to `full`. + */ +export abstract class SandboxProvider extends Service { + constructor(ctx: Context) { + super(ctx, 'sandbox') + } + + /** + * Wrap `argv` so it executes confined under `policy` on this host; the + * caller spawns the returned argv in place of its own. + * @param argv - the exact argv the caller is about to spawn (program plus + * arguments), NOT a shell string — a shell-shaped consumer passes + * `['bash', '-c', command]`. + * @param policy - the file-effect policy this execution runs under, + * carried per call (see {@link SandboxPolicy}). + * @returns the argv to spawn instead, plus the enforcement completeness + * the selected backend achieves for it. + */ + abstract confine(argv: readonly string[], policy: SandboxPolicy): ConfinedArgv +} + +export default SandboxProvider diff --git a/packages/sandbox/sandbox/tests/vocabulary.spec.ts b/packages/sandbox/sandbox/tests/vocabulary.spec.ts new file mode 100644 index 0000000000..caba42b2a7 --- /dev/null +++ b/packages/sandbox/sandbox/tests/vocabulary.spec.ts @@ -0,0 +1,35 @@ +/** + * Vocabulary-contract tests for the sandbox seam: the fail-closed error's + * structured identity is what tool results and consumers key on, so its + * shape is pinned here, next to the vocabulary that owns it. Provider + * behavior is each implementation's suite (`dsh-sandbox-local`); consumer + * behavior is each consumer's (`dsh-bash-sandbox`). + */ + +import { describe, expect, it } from 'vitest' +import { SANDBOX_UNAVAILABLE, SandboxUnavailableError } from '@deepseek-ai/dsh-sandbox' + +describe('SandboxUnavailableError', () => { + it('carries the structured { name, code } identity consumers key on', () => { + const error = new SandboxUnavailableError('read-only') + expect(error.name).toBe('SandboxUnavailableError') + expect(error.code).toBe(SANDBOX_UNAVAILABLE) + expect(error).toBeInstanceOf(Error) + }) + + it('names the refused mode and the operator escape hatches in its message', () => { + const error = new SandboxUnavailableError('workspace-write') + expect(error.message).toContain('"workspace-write"') + expect(error.message).toContain('danger-full-access') + expect(error.message).not.toContain('Runner failure') + }) + + it('carries the runner detail when the failure is discovered at execution time', () => { + // The late twin of the confine-time throw: an unprobed sole candidate + // that fails closed at exec surfaces the SAME error, with the runner's + // own first stderr line as the cause. + const error = new SandboxUnavailableError('read-only', 'landlock-run: landlock is not enforced by this kernel') + expect(error.code).toBe(SANDBOX_UNAVAILABLE) + expect(error.message).toContain('Runner failure: landlock-run: landlock is not enforced by this kernel') + }) +}) diff --git a/packages/sandbox/sandbox/tsconfig.json b/packages/sandbox/sandbox/tsconfig.json new file mode 100644 index 0000000000..9f687793d7 --- /dev/null +++ b/packages/sandbox/sandbox/tsconfig.json @@ -0,0 +1,21 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../llm/llm" + } + ] +} diff --git a/packages/session-persistence/session-persistence-jsonl/src/format.ts b/packages/session-persistence/session-persistence-jsonl/src/format.ts index 63cf899e45..5ec01283b4 100644 --- a/packages/session-persistence/session-persistence-jsonl/src/format.ts +++ b/packages/session-persistence/session-persistence-jsonl/src/format.ts @@ -27,7 +27,11 @@ export interface HeaderLine { seedLength?: number } -/** Build the header line object from a {@link SessionHeader}. */ +/** + * Build the header line object from a {@link SessionHeader}. + * @param header - the immutable session metadata to serialize. + * @returns the `type: 'session'`-tagged line object, absent optional fields omitted (never null). + */ export function toHeaderLine(header: SessionHeader): HeaderLine { return { type: 'session', @@ -40,7 +44,11 @@ export function toHeaderLine(header: SessionHeader): HeaderLine { } } -/** Parse a header line back into a {@link SessionHeader}. */ +/** + * Parse a header line back into a {@link SessionHeader}. + * @param line - the shape-checked first line of a log (see the `isHeaderLine` guard). + * @returns the header, absent optional fields omitted. + */ export function fromHeaderLine(line: HeaderLine): SessionHeader { return { version: line.version, @@ -77,6 +85,8 @@ function isHeaderLine(value: unknown): value is HeaderLine { * `Buffer.from(…, 'utf8')` would do, breaking injectivity). `.` is in the safe * set for readability but the whole-segment tokens `.`/`..` are escaped so they * can never traverse. + * @param raw - the string to encode; must be non-empty (throws on `''`). + * @returns the escaped single path segment, decodable back to `raw`. */ export function encodeSegment(raw: string): string { if (raw.length === 0) throw new Error('cannot encode an empty path segment') @@ -97,9 +107,12 @@ export function encodeSegment(raw: string): string { /** * The directory a session's files live in: the configured root, then a per-cwd - * subdirectory so sessions group by project. The cwd subdir is a stable hash - * (short, collision-resistant, filesystem-safe) plus an encoded suffix for - * readability; sessions without a cwd go in a shared `_no-cwd` bucket. + * subdirectory so sessions group by project. The cwd subdir is a stable hash of + * the cwd (short, collision-resistant, filesystem-safe); sessions without a + * cwd go in a shared `_no-cwd` bucket. + * @param root - the backend's session root directory. + * @param cwd - the session's project directory; `undefined` selects the shared `_no-cwd` bucket. + * @returns the per-cwd bucket directory path under `root`. */ export function sessionDir(root: string, cwd: string | undefined): string { if (cwd === undefined) return join(root, '_no-cwd') @@ -107,12 +120,22 @@ export function sessionDir(root: string, cwd: string | undefined): string { return join(root, `cwd-${hash}`) } -/** The append-only event-log file path for a session. */ +/** + * The append-only event-log file path for a session. + * @param root - the backend's session root directory. + * @param cwd - the session's project directory (picks the per-cwd bucket; `undefined` → `_no-cwd`). + * @param id - the session id, path-encoded via {@link encodeSegment} before filesystem use. + * @returns the session's `.jsonl` log file path. + */ export function logPath(root: string, cwd: string | undefined, id: SessionId): string { return join(sessionDir(root, cwd), `${encodeSegment(id)}.jsonl`) } -/** Serialize one event as a JSONL line (no trailing newline). */ +/** + * Serialize one event as a JSONL line (no trailing newline). + * @param event - the event to serialize verbatim. + * @returns the event's single-line JSON text; the writer adds the newline. + */ export function eventLine(event: SessionEvent): string { return JSON.stringify(event) } @@ -135,6 +158,9 @@ export function eventLine(event: SessionEvent): string { * This relies on the session-log invariant that every event lives inside a turn * (`Session.append` enforces it): only the final turn can be open, so the * preserved tail is at most one unclosed turn. + * @param buffer - the raw bytes of the log file (header line first). + * @returns the header, the preserved event prefix, and `committedBytes` — the + * byte offset the next append truncates any torn tail to. */ export function scanLog(buffer: Buffer): { meta: SessionHeader; events: SessionEvent[]; committedBytes: number } { const text = buffer.toString('utf8') @@ -239,6 +265,8 @@ export function scanLog(buffer: Buffer): { meta: SessionHeader; events: SessionE * `undefined` if it is missing/not a header. Used by `list()` to read session * metadata WITHOUT parsing the whole log: a session picker scales with the * number of sessions, not the total size of every conversation. + * @param firstLine - the first line of a log file (without its trailing newline). + * @returns the parsed header, or `undefined` when the line is not a well-formed session header. */ export function parseHeaderMeta(firstLine: string): SessionHeader | undefined { let parsed: unknown diff --git a/packages/session-persistence/session-persistence-jsonl/src/index.ts b/packages/session-persistence/session-persistence-jsonl/src/index.ts index 6de7eafeb3..a69c979756 100644 --- a/packages/session-persistence/session-persistence-jsonl/src/index.ts +++ b/packages/session-persistence/session-persistence-jsonl/src/index.ts @@ -31,6 +31,7 @@ import { encodeSegment, eventLine, logPath, parseHeaderMeta, scanLog, sessionDir, toHeaderLine, } from './format.ts' +/** Plugin config: where the JSONL backend keeps its session logs (`root` is required — no default). */ export interface Config { /** * Root directory for all session files. Required (no default): a default of diff --git a/packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts b/packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts index c6b7903357..6eed63a2f4 100644 --- a/packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts +++ b/packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts @@ -23,6 +23,15 @@ afterEach(async () => { for (const d of dirs.splice(0)) await rm(d, { recursive: true, force: true }) }) +function appendClosedTurn(session: Session): void { + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('user/message', { + content: [{ type: 'text', text: 'hello' }], + source: { kind: 'user' }, + }, { surfaceOp: 'append' }) + session.append('turn/end', { turn: 1, reason: { kind: 'completed' } }) +} + // Run the shared backend contract against the real JSONL backend. runPersistenceContract('jsonl', async () => { const dir = await mkdtemp(join(tmpdir(), 'dsh-jsonl-')) @@ -131,6 +140,23 @@ describe('SessionPersistenceJsonl: durability and crash semantics', () => { expect(loaded.events).toEqual(log) // chunks preserved, contiguous seqs }) + it('persists a forked child seed through the existing session write path', async () => { + const source = ctx.sessions.create(SessionId('persist-parent'), { meta: { cwd: '/workspace' } }) + appendClosedTurn(source) + + const child = ctx.sessions.fork(source, undefined, SessionId('persist-child')) + await ctx.parallel('session/flush', child) + const loaded = await ctx.sessionPersistence.load(child.id) + + expect(loaded.events).toEqual(source.events) + expect(loaded.meta).toMatchObject({ + id: SessionId('persist-child'), + cwd: '/workspace', + parentSession: SessionId('persist-parent'), + seedLength: source.events.length, + }) + }) + it('crash recovery: load preserves the interrupted turn and closes it with a synthetic turn/end {interrupted}', async () => { const m = meta('crash', '/proj') await ctx.sessionPersistence.create(m) diff --git a/packages/session-persistence/session-persistence-sqlite/README.md b/packages/session-persistence/session-persistence-sqlite/README.md index 064cc11fce..c14d3a70ea 100644 --- a/packages/session-persistence/session-persistence-sqlite/README.md +++ b/packages/session-persistence/session-persistence-sqlite/README.md @@ -8,7 +8,7 @@ A SQLite durable session-persistence backend — a second `SessionPersistence` i Each `SessionEvent` maps 1:1 onto a row in an `events` table `(session_id, seq, type, time, data, source_event_seqs, surface_op)` — `data` is the event payload as JSON text, so the row shape is the event verbatim (including `assistant/chunk`, keeping `seq` contiguous). The two `TEXT` columns `source_event_seqs` and `surface_op` are nullable; they store the event's optional surface-metadata fields (see [session surface](../../../docs/rfc/implemented/architecture/2026-06-18-session-surface.md)). Out-of-log metadata (`SessionHeader`) lives in a `sessions` row. A `sessions` row is written only by the first `append` — its existence is the lazy-materialization signal (`list` reports exactly the sessions that have a row), so no separate column is needed. -The repo targets Node ≥ 24 (the root `engines` field), which includes the stable `node:sqlite` module. The database opens with `foreign_keys = ON` (so `ON DELETE CASCADE` drops a session's events with its row) and `journal_mode = WAL`. The table-layout version is stored in `PRAGMA user_version` and checked on open: a fresh database is stamped with the current `SCHEMA_VERSION`; a database written by any other, incompatible build (a non-current `user_version`, older or newer) is rejected rather than opened against an unknown layout — there is no migration (unreleased software). +The repo's `engines.node` is `^22.19.0 || >=24.0.0` (Node 22.19+ or 24+), matching the LTS floor required by the installed Pi adapter dependency; `node:sqlite` itself ships without the `--experimental-sqlite` flag from Node 22.13 (LTS) and 23.4 / 24 (Current) on. The range deliberately excludes Node 23 because that line is non-LTS/EOL and still has flagged runtime features before 23.6. The database opens with `foreign_keys = ON` (so `ON DELETE CASCADE` drops a session's events with its row) and the configured `journal_mode` (default `wal`; pick a rollback-journal mode like `delete` on filesystems where WAL's shared-memory files do not work, e.g. network mounts). The table-layout version is stored in `PRAGMA user_version` and checked on open: a fresh database is stamped with the current `SCHEMA_VERSION`; a database written by any other, incompatible build (a non-current `user_version`, older or newer) is rejected rather than opened against an unknown layout — there is no migration (unreleased software). ## Contract semantics over rows @@ -21,6 +21,7 @@ The repo targets Node ≥ 24 (the root `engines` field), which includes the stab ```ts interface Config { path: string // SQLite database file path, or ':memory:' for an in-process DB + journalMode?: 'wal' | 'delete' | 'truncate' | 'persist' // journal_mode pragma; default 'wal' } ``` diff --git a/packages/session-persistence/session-persistence-sqlite/src/index.ts b/packages/session-persistence/session-persistence-sqlite/src/index.ts index 412c3b58fc..30387b4837 100644 --- a/packages/session-persistence/session-persistence-sqlite/src/index.ts +++ b/packages/session-persistence/session-persistence-sqlite/src/index.ts @@ -28,7 +28,7 @@ import { } from '@deepseek-ai/dsh-session-persistence' import type { Session, SessionEvent, SurfaceEventType, SessionId, SessionHeader } from '@deepseek-ai/dsh-session' import { - openDatabase, rowToMeta, scanRows, type EventRow, type SessionRow, + type JournalMode, openDatabase, rowToMeta, scanRows, type EventRow, type SessionRow, } from './schema.ts' export { SCHEMA_VERSION } from './schema.ts' @@ -54,6 +54,13 @@ export interface Config { * dirs) on construction. */ path: string + /** + * SQLite `journal_mode` pragma. `wal` (the default) is the recorded + * durability model; pick a rollback-journal mode (`delete`/`truncate`/ + * `persist`) on filesystems where WAL's shared-memory files do not work + * (network mounts). See {@link JournalMode}. + */ + journalMode?: JournalMode } /** @@ -66,6 +73,7 @@ export class SessionPersistenceSqlite extends SessionPersistence implements Pers static Config: z<Config> = z.object({ path: z.string().required(), + journalMode: z.union(['wal', 'delete', 'truncate', 'persist'] as const).default('wal'), }) /** @@ -83,18 +91,19 @@ export class SessionPersistenceSqlite extends SessionPersistence implements Pers super(ctx) // Open the database asynchronously (the parent directory may need creating); // every hook awaits `ready` first. Opening synchronously would force a sync - // mkdir and block plugin apply. - this.ready = this.openDb(config.path) + // mkdir and block plugin apply. schemastery (static Config) has already + // filled `journalMode`; the cast records that runtime fact. + this.ready = this.openDb(config.path, (config as Required<Config>).journalMode) this.coordinator = new PersistenceCoordinator<number>(this.ctx, this) } - private async openDb(path: string): Promise<void> { + private async openDb(path: string, journalMode: JournalMode): Promise<void> { if (path !== ':memory:') { const abs = resolve(path) await mkdir(dirname(abs), { recursive: true, mode: 0o700 }) - this.db = openDatabase(abs) + this.db = openDatabase(abs, journalMode) } else { - this.db = openDatabase(path) + this.db = openDatabase(path, journalMode) } } diff --git a/packages/session-persistence/session-persistence-sqlite/src/schema.ts b/packages/session-persistence/session-persistence-sqlite/src/schema.ts index d8db0e087b..2dacbe04a0 100644 --- a/packages/session-persistence/session-persistence-sqlite/src/schema.ts +++ b/packages/session-persistence/session-persistence-sqlite/src/schema.ts @@ -45,10 +45,21 @@ export interface EventRow { surface_op: string | null } +/** + * Journal modes the backend will run under. `wal` is the default and the + * durability model the persistence ADR records; the rollback-journal modes + * (`delete`/`truncate`/`persist`) exist for filesystems where WAL's + * shared-memory files do not work (network mounts). `memory`/`off` are + * excluded: dropping journal durability silently contradicts what this + * backend promises. + */ +export type JournalMode = 'wal' | 'delete' | 'truncate' | 'persist' + /** * Open the database at `path` and apply the schema + pragmas. `foreign_keys` - * makes `ON DELETE CASCADE` drop a session's events with its row; `journal_mode - * = WAL` matches the durability model the ADR records (the row shape maps 1:1 + * makes `ON DELETE CASCADE` drop a session's events with its row; the + * `journal_mode` pragma is set from the plugin's `journalMode` config (`wal` + * default — the durability model the ADR records; the row shape maps 1:1 * onto `SessionEvent`; opencode runs this exact shape on SQLite/WAL). * * The table-layout version is persisted in SQLite's `PRAGMA user_version` and @@ -65,11 +76,16 @@ export interface EventRow { * is the merged layout carrying every column; bumping past the collided v3 * makes the version check reject both sibling v3 databases instead of opening * one against columns it does not have. + * @param path - the SQLite database file to open (created when absent). + * @param journalMode - the journal pragma to apply — a closed in-code union, validated by the plugin Config. + * @returns the open handle with pragmas applied and both tables ensured. */ -export function openDatabase(path: string): DatabaseSync { +export function openDatabase(path: string, journalMode: JournalMode): DatabaseSync { const db = new DatabaseSync(path) db.exec('PRAGMA foreign_keys = ON') - db.exec('PRAGMA journal_mode = WAL') + // journalMode is a closed in-code union (validated by the plugin Config), not + // user-controlled SQL — safe to interpolate (PRAGMA takes no bound params). + db.exec(`PRAGMA journal_mode = ${journalMode.toUpperCase()}`) // `PRAGMA user_version` always returns exactly one row { user_version }. const { user_version: onDisk } = db.prepare('PRAGMA user_version').get() as { user_version: number } if (onDisk !== 0 && onDisk !== SCHEMA_VERSION) { @@ -107,7 +123,11 @@ export function openDatabase(path: string): DatabaseSync { return db } -/** Reconstruct the {@link SessionHeader} from a `sessions` row. */ +/** + * Reconstruct the {@link SessionHeader} from a `sessions` row. + * @param row - the `sessions` table row. + * @returns the header, `NULL` columns mapped to omitted optional fields. + */ export function rowToMeta(row: SessionRow): SessionHeader { return { version: row.version, @@ -119,7 +139,12 @@ export function rowToMeta(row: SessionRow): SessionHeader { } } -/** Reconstruct a {@link SessionEvent} from an `events` row (parses `data`). */ +/** + * Reconstruct a {@link SessionEvent} from an `events` row (parses `data`). + * @param row - the `events` table row; `data` and the surface columns hold JSON text. + * @returns the reconstructed event; throws when a JSON column fails to parse + * ({@link scanRows} treats that as a hole, not corruption, in the tail). + */ export function rowToEvent(row: EventRow): SessionEvent { // Surface-metadata fields are conditional on the event type in the type // system; spread them so each variant gets only the fields it declares. @@ -159,6 +184,9 @@ export function rowToEvent(row: EventRow): SessionEvent { * This relies on the session-log invariant that every event lives inside a turn * (`Session.append` enforces it): only the final turn can be open, so the * preserved tail is at most one unclosed turn. + * @param rows - one session's event rows, ordered by seq ascending. + * @returns the preserved event prefix, plus `tornFrom` — the seq the physical + * delete starts at — when a torn tail exists. */ export function scanRows(rows: readonly EventRow[]): { preserved: SessionEvent[]; tornFrom?: number } { // Pass 1: parse each row's data; a row whose data is not valid JSON is a hole. diff --git a/packages/session-persistence/session-persistence-sqlite/tests/sqlite.spec.ts b/packages/session-persistence/session-persistence-sqlite/tests/sqlite.spec.ts index 7138718aa5..a6eda72685 100644 --- a/packages/session-persistence/session-persistence-sqlite/tests/sqlite.spec.ts +++ b/packages/session-persistence/session-persistence-sqlite/tests/sqlite.spec.ts @@ -1,5 +1,6 @@ import { afterEach, describe, expect, it } from 'vitest' import { Context } from 'cordis' +import { existsSync } from 'node:fs' import { mkdtemp, rm } from 'node:fs/promises' import { tmpdir } from 'node:os' import { join } from 'node:path' @@ -53,7 +54,7 @@ runCoordinatorContract('sqlite', async (): Promise<CoordinatorFixture> => { // A row past the committed region whose `data` does not parse: scanRows // bounds the preserved prefix at it and returns its seq as tornFrom, which // the backend surfaces to the coordinator as the tornMarker to delete from. - const db = openDatabase(path) + const db = openDatabase(path, 'wal') const next = (db.prepare('SELECT COALESCE(MAX(seq), -1) + 1 AS n FROM events WHERE session_id = ?') .get(id) as { n: number }).n db.prepare('INSERT INTO events (session_id, seq, type, time, data) VALUES (?, ?, ?, ?, ?)') @@ -192,7 +193,7 @@ describe('SessionPersistenceSqlite: durability and crash semantics', () => { await b1.ctx.sessionPersistence.append(m.id, oneTurnLog()) // seqs 0..5 await b1.dispose() // Hand-write an interrupted turn (turn/start seq 6, no turn/end). - const db = openDatabase(path) + const db = openDatabase(path, 'wal') db.prepare('INSERT INTO events (session_id, seq, type, time, data) VALUES (?, 6, ?, 7, ?)') .run(m.id, 'turn/start', JSON.stringify({ turn: 2, trigger: { kind: 'message', source: { kind: 'user' } } })) db.close() @@ -204,7 +205,7 @@ describe('SessionPersistenceSqlite: durability and crash semantics', () => { expect(loaded.events.at(-1)!.type).toBe('turn/end') // load() is mutating: the synthetic turn/end MUST be on disk so the stored log // is balanced and the cursor is truthful (contract: load closes, not defers). - const probe = openDatabase(path) + const probe = openDatabase(path, 'wal') const stored = probe.prepare('SELECT seq, type FROM events WHERE session_id = ? ORDER BY seq').all(m.id) as { seq: number; type: string }[] probe.close() expect(stored.map(r => r.seq)).toEqual([0, 1, 2, 3, 4, 5, 6, 7]) @@ -237,21 +238,21 @@ describe('SessionPersistenceSqlite: durability and crash semantics', () => { it('rejects opening a database whose schema version is not the current build (newer OR older)', async () => { const path = await freshDbPath() - openDatabase(path).close() // stamp user_version = SCHEMA_VERSION + openDatabase(path, 'wal').close() // stamp user_version = SCHEMA_VERSION // Bump user_version past what this build supports. - const dbNewer = openDatabase(path) + const dbNewer = openDatabase(path, 'wal') dbNewer.exec(`PRAGMA user_version = ${SCHEMA_VERSION + 1}`) dbNewer.close() - expect(() => openDatabase(path)).toThrow(/incompatible with this build/) + expect(() => openDatabase(path, 'wal')).toThrow(/incompatible with this build/) // A stale OLDER version (e.g. a pre-summary-drop v1 DB) is also rejected — // we do not migrate (unreleased software, no backward-compat). const olderPath = await freshDbPath() - openDatabase(olderPath).close() - const dbOlder = openDatabase(olderPath) + openDatabase(olderPath, 'wal').close() + const dbOlder = openDatabase(olderPath, 'wal') dbOlder.exec('PRAGMA user_version = 1') dbOlder.close() - expect(() => openDatabase(olderPath)).toThrow(/incompatible with this build/) + expect(() => openDatabase(olderPath, 'wal')).toThrow(/incompatible with this build/) }) it('rejects a sibling v3 database (the merge-collided version) rather than opening it against missing columns', async () => { @@ -261,11 +262,11 @@ describe('SessionPersistenceSqlite: durability and crash semantics', () => { // of this build's columns, so it MUST be rejected, not opened. Stamp a v3 // database and confirm the version check refuses it. const path = await freshDbPath() - openDatabase(path).close() // creates + stamps user_version = SCHEMA_VERSION (4) - const db = openDatabase(path) + openDatabase(path, 'wal').close() // creates + stamps user_version = SCHEMA_VERSION (4) + const db = openDatabase(path, 'wal') db.exec('PRAGMA user_version = 3') db.close() - expect(() => openDatabase(path)).toThrow(/schema version 3, incompatible with this build/) + expect(() => openDatabase(path, 'wal')).toThrow(/schema version 3, incompatible with this build/) }) it('a corrupt-JSON row in the uncommitted tail is discarded on load, not unloadable', async () => { @@ -281,7 +282,7 @@ describe('SessionPersistenceSqlite: durability and crash semantics', () => { // unloadable; a torn tail must be discarded. scanRows finds the last // turn/end on the seq+type columns (never parsing tail `data`), so the // unparsable row after it bounds the preserved prefix and is deleted by load. - const db = openDatabase(path) + const db = openDatabase(path, 'wal') db.prepare('INSERT INTO events (session_id, seq, type, time, data) VALUES (?, 6, ?, 7, ?)') .run(m.id, 'turn/start', '{not valid json') db.close() @@ -370,6 +371,29 @@ describe('SessionPersistenceSqlite: edge cases', () => { await b2.dispose() }) + it('journalMode config reaches the database (default wal, rollback modes selectable)', async () => { + // :memory: databases always report journal_mode=memory, so probe file DBs. + const walPath = await freshDbPath() + const bWal = await backend(walPath) + await bWal.ctx.sessionPersistence.create(meta('jm-wal')) + expect((openDatabase(walPath, 'wal').prepare('PRAGMA journal_mode').get() as { journal_mode: string }).journal_mode).toBe('wal') + await bWal.dispose() + + const deletePath = await freshDbPath() + const ctx = new Context() + await ctx.plugin(SessionStore) + const fiber = await ctx.plugin(SessionPersistenceSqlite, { path: deletePath, journalMode: 'delete' }) + await ctx.sessionPersistence.create(meta('jm-delete')) + // Probe through a second connection: journal_mode=delete is a per-database + // property only insofar as no WAL files exist — assert the world, not the + // backend's self-report (no -wal sidecar after writes in delete mode). + const db = openDatabase(deletePath, 'delete') + expect((db.prepare('PRAGMA journal_mode').get() as { journal_mode: string }).journal_mode).toBe('delete') + db.close() + expect(existsSync(`${deletePath}-wal`)).toBe(false) + await fiber.dispose() + }) + it('HMR: a DIFFERENT session colliding with a materialized on-disk id is rejected', async () => { const path = await freshDbPath() // Instance 1 materializes a session and disposes. diff --git a/packages/session-persistence/session-persistence/src/coordinator.ts b/packages/session-persistence/session-persistence/src/coordinator.ts index 7c7b044ee1..0180999842 100644 --- a/packages/session-persistence/session-persistence/src/coordinator.ts +++ b/packages/session-persistence/session-persistence/src/coordinator.ts @@ -186,6 +186,7 @@ export class PersistenceCoordinator<TornMarker = unknown> { /** * Register a new session's metadata (lazy: no physical write until the first * {@link append}). Rejects if the id is already tracked or already persisted. + * @param meta - the immutable header (id, version, cwd, lineage) to record; snapshotted at call time. */ create(meta: SessionHeader): Promise<void> { // Snapshot the metadata at call time: the op runs later (behind the @@ -216,6 +217,8 @@ export class PersistenceCoordinator<TornMarker = unknown> { /** * Durably persist a batch of events. Honors the append-only and contiguous-seq * contracts; rejects non-JSON-serializable `event.data`. + * @param id - the session the batch belongs to. + * @param events - the contiguous batch to persist, in seq order; deep-cloned at call time. */ async append(id: SessionId, events: readonly SessionEvent[]): Promise<void> { // Validate serializability BEFORE cloning so a bad event surfaces the typed @@ -252,6 +255,8 @@ export class PersistenceCoordinator<TornMarker = unknown> { * Reload a session: its {@link SessionHeader} plus the event log up to the last * durable checkpoint, with any interrupted final turn durably closed (synthetic * boundary events) during load. + * @param id - the persisted session to reload. + * @returns the header plus the event log, ending on a balanced `turn/end`. */ load(id: SessionId): Promise<{ meta: SessionHeader; events: SessionEvent[] }> { return this.serialize(id, () => this.loadCore(id)) diff --git a/packages/session-persistence/session-persistence/src/index.ts b/packages/session-persistence/session-persistence/src/index.ts index 5e1af6e563..1588ed2526 100644 --- a/packages/session-persistence/session-persistence/src/index.ts +++ b/packages/session-persistence/session-persistence/src/index.ts @@ -45,6 +45,9 @@ declare module 'cordis' { * * The comparison includes the full event payload, not just seq/type/time, so a * mutated seed cannot be grafted onto a durable log with the same envelope. + * @param seed - the live session's creation-time event snapshot. + * @param prefix - the persisted prefix the seed must reproduce. + * @returns `true` when the prefix fits within the seed and every event matches by JSON text. */ export function seedCoversPrefix(seed: readonly SessionEvent[], prefix: readonly SessionEvent[]): boolean { return prefix.length <= seed.length @@ -58,6 +61,7 @@ export function seedCoversPrefix(seed: readonly SessionEvent[], prefix: readonly * Reject non-JSON-serializable event data before a backend serializes a batch. * Live session appends already enforce this; persistence append paths also * accept replay/fork batches that may bypass a live session instance. + * @param events - the batch to validate; throws naming the offending event's type and seq. */ export function assertSerializable(events: readonly SessionEvent[]): void { for (const event of events) { diff --git a/packages/skill/README.md b/packages/skill/README.md new file mode 100644 index 0000000000..447b82fc47 --- /dev/null +++ b/packages/skill/README.md @@ -0,0 +1,11 @@ +# skill/ - skill capability family + +The canonical three-package capability seam for reusable agent instructions: a provider registry, a local implementation, and the model-facing catalog/loader consumer. All are **product** packages. + +| Package | Role | ctx key | +|---|---|---| +| `skill/` | Provider registry, precedence resolution, stable catalog snapshots, and full-definition lookup | `ctx.skills` | +| `skill-local/` | Project/custom/user filesystem provider | (registers on `ctx.skills`) | +| `tool-skill/` | Session-prefix catalog and model-facing `skill` loader | (registers on `ctx.tools`) | + +The interface lives at `skill/skill/`. Providers register synchronously and perform asynchronous discovery through `ctx.skills`; `tool-skill` consumes only that interface, so an embedded or remote provider can replace or complement `skill-local` without changing the model-facing contract. `agent-core` loads this family by default, but it remains a capability outside the core control spine, parallel to [`bash/`](../bash/README.md), [`fs/`](../fs/README.md), [`web/`](../web/README.md), and [`subagent/`](../subagent/README.md). diff --git a/packages/skill/skill-local/README.md b/packages/skill/skill-local/README.md new file mode 100644 index 0000000000..c885416ff5 --- /dev/null +++ b/packages/skill/skill-local/README.md @@ -0,0 +1,37 @@ +# @deepseek-ai/dsh-skill-local + +Local filesystem provider for the `ctx.skills` registry. + +This package implements one skill source. It scans local project, custom, and user skill roots, parses `SKILL.md` or flat Markdown skill files, and registers the provider on `ctx.skills`. The registry remains in `@deepseek-ai/dsh-skill`; the session-prefix catalog and model-facing loader tool remain in `@deepseek-ai/dsh-tool-skill`. + +## Plugin + +Requires `ctx.skills` (`inject: ['skills']`). + +### Config + +| Field | Default | Meaning | +|---|---|---| +| `dshHome` | `$DSH_HOME` or `~/.dsh` | DeepSeek Harness config root; scans `skills` under this directory. | +| `agentsHome` | `$DSH_AGENTS_HOME` or `~/.agents` | Shared agent config root scanned for compatible skills. | +| `customSkillDirs` | `[]` | Additional local skill roots scanned after project roots and before user roots. | + +## Discovery + +Default roots are resolved in this provider's rank order: + +| Rank | Source | Path | +|---|---|---| +| 100 | `project-dsh` | `<projectRoot>/.dsh/skills` | +| 200 | `project-agents` | `<projectRoot>/.agents/skills` | +| 300 | `custom` | `Config.customSkillDirs` | +| 400 | `user-dsh` | `<dshHome>/skills` | +| 500 | `user-agents` | `<agentsHome>/skills` | + +The project root is the nearest ancestor containing `.git`; without one, the current cwd is used. The user DSH root skips its `.system` child so system-owned directories are not accidentally treated as normal user skills. DeepSeek Harness no longer ships built-in system skills from this provider; additional built-ins can be supplied later by another provider. + +When `ctx.fs` is available, discovery lists roots through `ctx.fs.listDir`, reads skill files through `ctx.fs.readText`, and probes `.git` through the filesystem service. Full skill loads forward the lookup abort signal to filesystem metadata and content reads. Without a filesystem service, the provider falls back to abortable Node filesystem I/O so minimal local contexts can still load skills. Missing, unreadable, or malformed skill files warn and skip instead of failing the whole request. + +## Skill Format + +Skills can be single-level directory bundles (`<name>/SKILL.md`) or flat Markdown files (`<name>.md`). Nested `**/SKILL.md` discovery is intentionally not part of v1. Frontmatter is parsed as YAML with the `yaml` package; it requires `name` and `description`, while `whenToUse`, `disableModelInvocation`, and `metadata` are optional. Names must be kebab-case. diff --git a/packages/skill/skill-local/package.json b/packages/skill/skill-local/package.json new file mode 100644 index 0000000000..dcacc5960a --- /dev/null +++ b/packages/skill/skill-local/package.json @@ -0,0 +1,38 @@ +{ + "name": "@deepseek-ai/dsh-skill-local", + "description": "Local filesystem skill provider for the DeepSeek Harness", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-fs": "^0.0.1", + "@deepseek-ai/dsh-skill": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0", + "yaml": "^2.4.2" + }, + "devDependencies": { + "@deepseek-ai/dsh-fs": "workspace:^", + "@deepseek-ai/dsh-skill": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/skill/skill-local/src/index.ts b/packages/skill/skill-local/src/index.ts new file mode 100644 index 0000000000..19a15f1de8 --- /dev/null +++ b/packages/skill/skill-local/src/index.ts @@ -0,0 +1,424 @@ +/** + * Local filesystem skill provider. + * + * This package is one implementation of the `ctx.skills` provider registry. It + * discovers directory-bundle and flat Markdown skills from project, custom, and + * user roots, parses YAML frontmatter, and loads bodies through `ctx.fs` when a + * filesystem service is present. + * + * @module @deepseek-ai/dsh-skill-local + */ + +import { access, readdir, readFile, stat } from 'node:fs/promises' +import { dirname, join, resolve } from 'node:path' +import { homedir } from 'node:os' +import type { Context } from 'cordis' +import z from 'schemastery' +import type Schema from 'schemastery' +import { parse as parseYaml } from 'yaml' +import type { FileSystem, FsDirEntry, FsTarget } from '@deepseek-ai/dsh-fs' +import { + isSkillName, + type SkillCandidate, + type SkillDefinition, + type SkillLookupOptions, + type SkillProvider, + type SkillSource, +} from '@deepseek-ai/dsh-skill' + +const PROJECT_DSH_RANK = 100 +const PROJECT_AGENTS_RANK = 200 +const CUSTOM_RANK = 300 +const USER_DSH_RANK = 400 +const USER_AGENTS_RANK = 500 + +export const name = 'skill-local' +export const inject = ['skills'] + +/** Local filesystem skill provider configuration. */ +export interface Config { + /** DeepSeek Harness config root. Defaults to `$DSH_HOME` or `~/.dsh`. */ + dshHome?: string + /** Shared agent config root. Defaults to `$DSH_AGENTS_HOME` or `~/.agents`. */ + agentsHome?: string + /** Additional skill roots scanned after project roots and before user roots. */ + customSkillDirs?: string[] +} + +export const Config: Schema<Config> = z.object({ + dshHome: z.string(), + agentsHome: z.string(), + customSkillDirs: z.array(z.string()).default([]), +}) + +interface SkillRoot { + path: string + source: SkillSource + rank: number + skipSystem?: boolean +} + +interface SkillRootEntry { + name: string + type: 'directory' | 'file' | 'other' + path: string +} + +interface ParsedSkill { + name: string + description: string + whenToUse?: string + disableModelInvocation?: boolean + metadata?: Record<string, unknown> + content: string +} + +interface LocalLocator { + path: string + directory: string +} + +/** Register the local filesystem skill provider on `ctx.skills`. */ +export function apply(ctx: Context, config: Config = {}): void { + const provider = new LocalSkillProvider(ctx, config) + ctx.skills.registerProvider(provider) +} + +/** Provider that maps local project/user skill roots into `ctx.skills`. */ +export class LocalSkillProvider implements SkillProvider { + readonly name = 'local' + private readonly dshHome: string + private readonly agentsHome: string + private readonly customSkillDirs: string[] + + constructor(private readonly ctx: Context, config: Config = {}) { + this.dshHome = resolve(config.dshHome ?? process.env.DSH_HOME ?? join(homedir(), '.dsh')) + this.agentsHome = resolve(config.agentsHome ?? process.env.DSH_AGENTS_HOME ?? join(homedir(), '.agents')) + this.customSkillDirs = (config.customSkillDirs ?? []).map(root => resolve(root)) + } + + /** + * Discover local skill summaries for a cwd-sensitive workspace. + * @param options - lookup options; `cwd` selects the project roots to scan. + * @returns local provider candidates with stable root ranks. + */ + async list(options: SkillLookupOptions): Promise<SkillCandidate[]> { + const roots = await this.roots(options.cwd) + const candidates: SkillCandidate[] = [] + for (const root of roots) { + for (const skill of await discoverRoot(root, this.ctx)) { + candidates.push(skill) + } + } + return candidates + } + + /** + * Load a complete local skill body from the candidate's file locator. + * @param candidate - the winning candidate returned by this provider. + * @param options - lookup options whose signal cancels filesystem reads. + * @returns the full local skill, or `undefined` if the file disappeared. + */ + async get(candidate: SkillCandidate, options: SkillLookupOptions): Promise<SkillDefinition | undefined> { + const locator = candidate.locator as LocalLocator + const parsed = await parseSkillFile(locator.path, this.ctx, options.signal) + if (parsed === undefined) return undefined + return { + name: parsed.name, + description: parsed.description, + ...parsed.whenToUse !== undefined ? { whenToUse: parsed.whenToUse } : {}, + ...parsed.disableModelInvocation !== undefined ? { disableModelInvocation: parsed.disableModelInvocation } : {}, + source: candidate.source, + provider: this.name, + resourceBase: { kind: 'directory', path: locator.directory }, + path: locator.path, + ...parsed.metadata !== undefined ? { metadata: parsed.metadata } : {}, + content: parsed.content, + } + } + + private async roots(cwd: string | undefined): Promise<SkillRoot[]> { + const roots: SkillRoot[] = [] + if (cwd !== undefined) { + const projectRoot = await findProjectRoot(resolve(cwd), optionalFileSystem(this.ctx)) + roots.push( + { path: join(projectRoot, '.dsh/skills'), source: 'project-dsh', rank: PROJECT_DSH_RANK }, + { path: join(projectRoot, '.agents/skills'), source: 'project-agents', rank: PROJECT_AGENTS_RANK }, + ) + } + roots.push( + ...this.customSkillDirs.map(path => ({ path, source: 'custom' as const, rank: CUSTOM_RANK })), + { path: join(this.dshHome, 'skills'), source: 'user-dsh', rank: USER_DSH_RANK, skipSystem: true }, + { path: join(this.agentsHome, 'skills'), source: 'user-agents', rank: USER_AGENTS_RANK }, + ) + return roots + } +} + +async function discoverRoot(root: SkillRoot, ctx: Context): Promise<SkillCandidate[]> { + const skills: SkillCandidate[] = [] + const entries = await listSkillRootEntries(root, ctx) + for (const entry of entries.sort((a, b) => a.name.localeCompare(b.name))) { + if (root.skipSystem && entry.name === '.system') continue + const locator = entry.type === 'directory' + ? { path: join(entry.path, 'SKILL.md'), directory: entry.path } + : entry.type === 'file' && entry.name.endsWith('.md') + ? { path: entry.path, directory: root.path } + : undefined + if (locator === undefined) continue + const parsed = await parseSkillFile(locator.path, ctx) + if (parsed === undefined) continue + skills.push({ + name: parsed.name, + description: parsed.description, + ...parsed.whenToUse !== undefined ? { whenToUse: parsed.whenToUse } : {}, + ...parsed.disableModelInvocation !== undefined ? { disableModelInvocation: parsed.disableModelInvocation } : {}, + provider: 'local', + source: root.source, + rank: root.rank, + locator, + resourceBase: { kind: 'directory', path: locator.directory }, + path: locator.path, + ...parsed.metadata !== undefined ? { metadata: parsed.metadata } : {}, + }) + } + return skills +} + +async function listSkillRootEntries(root: SkillRoot, ctx: Context): Promise<SkillRootEntry[]> { + const fs = optionalFileSystem(ctx) + if (fs !== undefined) return await listSkillRootEntriesFromFileSystem(root, fs) + return await listSkillRootEntriesFromNode(root, ctx) +} + +async function listSkillRootEntriesFromFileSystem(root: SkillRoot, fs: FileSystem): Promise<SkillRootEntry[]> { + // Skill roots are optional; an absent or unlistable root contributes no skills. + const entries = await fsListDir(fs, root.path).catch(() => undefined) + return entries === undefined ? [] : entries.map(entryFromFs) +} + +async function fsListDir(fs: FileSystem, path: string): Promise<FsDirEntry[]> { + const target = await fs.resolve(path) + return await fs.listDir(target) +} + +function entryFromFs(entry: FsDirEntry): SkillRootEntry { + return { name: entry.name, type: entry.type, path: entry.target.displayPath } +} + +async function listSkillRootEntriesFromNode(root: SkillRoot, ctx: Context): Promise<SkillRootEntry[]> { + let entries + try { + entries = await readdir(root.path, { withFileTypes: true, encoding: 'utf8' }) + } catch { + // Missing or unreadable local skill roots are expected in most deployments. + return [] + } + + const result: SkillRootEntry[] = [] + for (const entry of entries) { + const path = join(root.path, entry.name) + const type = await nodeEntryKind(path, entry, ctx) + result.push({ name: entry.name, type: type ?? 'other', path }) + } + return result +} + +async function parseSkillFile(path: string, ctx: Context, signal?: AbortSignal): Promise<ParsedSkill | undefined> { + const raw = await readSkillText(ctx, path, signal) + signal?.throwIfAborted() + if (raw === undefined) { + return undefined + } + let parsed + try { + parsed = parseFrontmatter(raw) + } catch (error) { + ctx.logger.warn(`skill file ${path} ignored: invalid YAML frontmatter: ${errorMessage(error)}`) + return undefined + } + if (!parsed) { + ctx.logger.warn(`skill file ${path} ignored: missing YAML frontmatter`) + return undefined + } + const name = stringField(parsed.data, 'name') + const description = stringField(parsed.data, 'description') + if (name === undefined || description === undefined) { + ctx.logger.warn(`skill file ${path} ignored: frontmatter requires name and description`) + return undefined + } + if (!isSkillName(name)) { + ctx.logger.warn(`skill file ${path} ignored: invalid skill name "${name}"`) + return undefined + } + return { + name, + description, + ...optionalString(parsed.data, 'whenToUse'), + ...optionalBoolean(parsed.data, 'disableModelInvocation'), + ...optionalMetadata(parsed.data), + content: parsed.body.trim(), + } +} + +function optionalFileSystem(ctx: Context): FileSystem | undefined { + return ctx.get('fs') +} + +async function readSkillText(ctx: Context, path: string, signal?: AbortSignal): Promise<string | undefined> { + signal?.throwIfAborted() + const fs = optionalFileSystem(ctx) + if (fs !== undefined) { + return await readSkillTextFromFileSystem(ctx, fs, path, signal) + } + try { + return await readFile(path, { encoding: 'utf8', signal }) + } catch { + signal?.throwIfAborted() + return undefined + } +} + +async function readSkillTextFromFileSystem(ctx: Context, fs: FileSystem, path: string, signal?: AbortSignal): Promise<string | undefined> { + // A missing or temporarily inaccessible skill file is not fatal to discovery. + signal?.throwIfAborted() + const target = await fs.resolve(path).catch(() => undefined) + signal?.throwIfAborted() + if (target === undefined) return undefined + let info + try { + info = await fs.stat(target, signal) + } catch (error) { + signal?.throwIfAborted() + ctx.logger.warn(`skill file ${path} ignored: failed to stat through filesystem service: ${errorMessage(error)}`) + return undefined + } + if (info === undefined || info.type !== 'file') return undefined + try { + return await fs.readText(target, signal) + } catch (error) { + signal?.throwIfAborted() + ctx.logger.warn(`skill file ${path} ignored: ${fsReadErrorMessage(target, error)}`) + return undefined + } +} + +function fsReadErrorMessage(target: FsTarget, error: unknown): string { + return `failed to read text file at ${target.displayPath}: ${errorMessage(error)}` +} + +async function nodeEntryKind(fullPath: string, entry: { isDirectory(): boolean; isFile(): boolean; isSymbolicLink(): boolean }, ctx: Context): Promise<'directory' | 'file' | undefined> { + if (entry.isDirectory()) return 'directory' + if (entry.isFile()) return 'file' + /* v8 ignore next -- Non-file directory entries such as FIFOs are platform-specific and intentionally skipped. */ + if (!entry.isSymbolicLink()) return undefined + try { + const info = await stat(fullPath) + if (info.isDirectory()) return 'directory' + if (info.isFile()) return 'file' + return undefined + } catch (error) { + ctx.logger.warn(`skill entry ${fullPath} ignored: failed to follow symbolic link: ${errorMessage(error)}`) + return undefined + } +} + +function parseFrontmatter(raw: string): { data: Record<string, unknown>; body: string } | undefined { + const firstLineEnd = raw.indexOf('\n') + if (firstLineEnd < 0) return undefined + const firstLine = raw.slice(0, firstLineEnd).replace(/\r$/, '') + if (firstLine !== '---') return undefined + const start = firstLineEnd + 1 + const closing = findClosingFrontmatter(raw, start) + if (closing === undefined) return undefined + const yaml = raw.slice(start, closing.start) + const parsed = parseYaml(yaml) as unknown + if (typeof parsed !== 'object' || parsed === null || Array.isArray(parsed)) return undefined + return { data: parsed as Record<string, unknown>, body: raw.slice(closing.bodyStart) } +} + +function findClosingFrontmatter(raw: string, start: number): { start: number; bodyStart: number } | undefined { + let lineStart = start + while (lineStart <= raw.length) { + const nextNewline = raw.indexOf('\n', lineStart) + const lineEnd = nextNewline < 0 ? raw.length : nextNewline + const line = raw.slice(lineStart, lineEnd).replace(/\r$/, '') + if (line === '---') { + return { start: lineStart, bodyStart: nextNewline < 0 ? raw.length : nextNewline + 1 } + } + if (nextNewline < 0) return undefined + lineStart = nextNewline + 1 + } +} + +async function findProjectRoot(cwd: string, fs: FileSystem | undefined): Promise<string> { + let current = cwd + while (true) { + if (await pathExists(join(current, '.git'), fs)) { + return current + } + const parent = dirname(current) + if (parent === current) return cwd + current = parent + } +} + +async function pathExists(path: string, fs: FileSystem | undefined): Promise<boolean> { + if (fs !== undefined) { + return await pathExistsInFileSystem(path, fs) + } + return await pathExistsInNode(path) +} + +async function pathExistsInFileSystem(path: string, fs: FileSystem): Promise<boolean> { + let target + try { + target = await fs.resolve(path) + } catch { + // A backend may reject or hide this candidate; continue walking upward. + return false + } + try { + return await fs.stat(target) !== undefined + } catch { + // Transient stat failures make only this git-root candidate unusable. + return false + } +} + +async function pathExistsInNode(path: string): Promise<boolean> { + try { + await access(path) + return true + } catch { + // Missing host paths are expected while walking toward the filesystem root. + return false + } +} + +function stringField(data: Record<string, unknown>, key: string): string | undefined { + const value = data[key] + return typeof value === 'string' && value.length > 0 ? value : undefined +} + +function optionalString(data: Record<string, unknown>, key: string): { [K in typeof key]?: string } { + const value = data[key] + return typeof value === 'string' && value.length > 0 ? { [key]: value } : {} +} + +function optionalBoolean(data: Record<string, unknown>, key: string): { [K in typeof key]?: boolean } { + const value = data[key] + return typeof value === 'boolean' ? { [key]: value } : {} +} + +function optionalMetadata(data: Record<string, unknown>): { metadata?: Record<string, unknown> } { + const value = data.metadata + if (typeof value === 'object' && value !== null && !Array.isArray(value)) { + return { metadata: value as Record<string, unknown> } + } + return {} +} + +function errorMessage(error: unknown): string { + return String(error) +} diff --git a/packages/skill/skill-local/tests/skill-local.spec.ts b/packages/skill/skill-local/tests/skill-local.spec.ts new file mode 100644 index 0000000000..94a48ce53f --- /dev/null +++ b/packages/skill/skill-local/tests/skill-local.spec.ts @@ -0,0 +1,393 @@ +import { describe, expect, it } from 'vitest' +import { mkdir, readdir, readFile, stat, symlink, writeFile } from 'node:fs/promises' +import { dirname, join } from 'node:path' +import { tmpdir } from 'node:os' +import { Context } from 'cordis' +import SkillService from '@deepseek-ai/dsh-skill' +import { FileSystem, FsVersion, type FsDirEntry, type FsEditOutcome, type FsEditRequest, type FsInfo, type FsTarget, type FsWriteOutcome } from '@deepseek-ai/dsh-fs' +import * as SkillLocal from '../src/index.ts' + +async function tempDir(name: string): Promise<string> { + return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) +} + +async function writeSkill(root: string, name: string, description: string, body = 'Use the skill.'): Promise<void> { + const dir = join(root, name) + await mkdir(dir, { recursive: true }) + await writeFile(join(dir, 'SKILL.md'), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +async function writeFlatSkill(root: string, name: string, description: string, body = 'Flat body.'): Promise<void> { + await mkdir(root, { recursive: true }) + await writeFile(join(root, `${name}.md`), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +class TestFileSystem extends FileSystem { + listDirCalls = 0 + failResolvePaths = new Set<string>() + failStatPaths = new Set<string>() + statOverrides = new Map<string, FsInfo | undefined>() + statSignals: Array<AbortSignal | undefined> = [] + readTextSignals: Array<AbortSignal | undefined> = [] + readTextOverride?: (target: FsTarget, signal?: AbortSignal) => Promise<string> + + override async resolve(path: string): Promise<FsTarget> { + if (this.failResolvePaths.has(path)) throw new Error('resolve failed') + return { targetKey: path as never, displayPath: path } + } + + override async stat(target: FsTarget, signal?: AbortSignal): Promise<FsInfo | undefined> { + this.statSignals.push(signal) + if (this.failStatPaths.has(target.displayPath)) throw new Error('stat failed') + if (this.statOverrides.has(target.displayPath)) return this.statOverrides.get(target.displayPath) + try { + const fs = await import('node:fs/promises') + const info = await fs.stat(target.displayPath) + return { + version: FsVersion(String(info.mtimeMs)), + type: info.isFile() ? 'file' : info.isDirectory() ? 'directory' : 'other', + size: info.size, + } + } catch { + return undefined + } + } + + override async readText(target: FsTarget, signal?: AbortSignal): Promise<string> { + this.readTextSignals.push(signal) + if (this.readTextOverride !== undefined) return await this.readTextOverride(target, signal) + const text = await readFile(target.displayPath, 'utf8') + if (text.includes('\uFFFD')) throw new Error('not text') + return text + } + + override async streamText(_target: FsTarget): Promise<AsyncIterable<string>> { + throw new Error('not needed in skill tests') + } + + override async listDir(target: FsTarget): Promise<FsDirEntry[]> { + this.listDirCalls += 1 + const entries = await readdir(target.displayPath, { withFileTypes: true, encoding: 'utf8' }) + const result: FsDirEntry[] = [] + for (const entry of entries.sort((left, right) => left.name.localeCompare(right.name))) { + const childPath = join(target.displayPath, entry.name) + let type: FsInfo['type'] = 'other' + let size: number | undefined + try { + const info = await stat(childPath) + type = info.isFile() ? 'file' : info.isDirectory() ? 'directory' : 'other' + size = info.isFile() ? info.size : undefined + } catch { + type = 'other' + } + result.push({ + name: entry.name, + type, + target: { targetKey: childPath as never, displayPath: childPath }, + version: FsVersion('test'), + ...(size !== undefined ? { size } : {}), + }) + } + return result + } + + override async writeText(target: FsTarget, content: string): Promise<FsWriteOutcome> { + await mkdir(dirname(target.displayPath), { recursive: true }) + await writeFile(target.displayPath, content) + return { operation: 'create', version: FsVersion('test'), before: null, after: content } + } + + override async editText(_target: FsTarget, _request: FsEditRequest): Promise<FsEditOutcome> { + throw new Error('not needed in skill tests') + } +} + +async function setupLocal(home: string, config: Partial<SkillLocal.Config> = {}): Promise<Context> { + const ctx = new Context() + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { + dshHome: join(home, '.dsh'), + agentsHome: join(home, '.agents'), + ...config, + }) + return ctx +} + +describe('dsh-skill-local plugin exports', () => { + it('declares stable plugin metadata', () => { + expect(SkillLocal.name).toBe('skill-local') + expect(SkillLocal.inject).toEqual(['skills']) + }) +}) + +describe('LocalSkillProvider', () => { + it('discovers project, custom, user, and agents skill roots in priority order', async () => { + const home = await tempDir('skill-home') + const project = await tempDir('skill-project') + const custom = await tempDir('skill-custom') + await mkdir(join(project, '.git'), { recursive: true }) + + await writeSkill(join(home, '.agents/skills'), 'same', 'user agents skill') + await writeSkill(join(home, '.dsh/skills'), 'same', 'user dsh skill') + await writeSkill(custom, 'same', 'custom skill') + await writeSkill(join(project, '.agents/skills'), 'same', 'project agents skill') + await writeSkill(join(project, '.dsh/skills'), 'same', 'project dsh skill') + await writeSkill(custom, 'custom-only', 'custom only') + await writeSkill(join(home, '.dsh/skills/.system'), 'hidden-system', 'hidden system') + + const ctx = await setupLocal(home, { customSkillDirs: [custom] }) + + const skills = await ctx.skills.list({ cwd: join(project, 'src') }) + expect(skills.map(skill => [skill.name, skill.description])).toEqual([ + ['custom-only', 'custom only'], + ['same', 'project dsh skill'], + ]) + expect(skills.find(skill => skill.name === 'same')?.source).toBe('project-dsh') + expect(skills.find(skill => skill.name === 'hidden-system')).toBeUndefined() + + const noGit = await tempDir('skill-no-git') + await writeSkill(join(noGit, '.dsh/skills'), 'fallback-root', 'Fallback root') + expect((await ctx.skills.list({ cwd: noGit })).map(skill => skill.name)).toContain('fallback-root') + }) + + it('lets project skills override runtime while runtime overrides custom and user skills', async () => { + const home = await tempDir('skill-runtime-priority') + const project = await tempDir('skill-runtime-project') + const custom = await tempDir('skill-runtime-custom') + await mkdir(join(project, '.git'), { recursive: true }) + + await writeSkill(join(project, '.dsh/skills'), 'project-name', 'Project wins') + await writeSkill(custom, 'runtime-name', 'Custom loses') + await writeSkill(join(home, '.dsh/skills'), 'runtime-name', 'User loses') + + const ctx = await setupLocal(home, { customSkillDirs: [custom] }) + ctx.skills.register({ + name: 'project-name', + description: 'Runtime loses to project', + content: 'Runtime body.', + source: 'runtime', + }) + ctx.skills.register({ + name: 'runtime-name', + description: 'Runtime wins', + content: 'Runtime body.', + source: 'runtime', + }) + + expect((await ctx.skills.get('project-name', { cwd: project }))?.description).toBe('Project wins') + expect((await ctx.skills.get('runtime-name', { cwd: project }))?.description).toBe('Runtime wins') + }) + + it('parses flat skills and filters invalid or model-disabled skills from listing', async () => { + const home = await tempDir('skill-flat') + const root = join(home, '.dsh/skills') + await writeFlatSkill(root, 'flat-skill', 'flat description', 'Flat instructions.') + await writeFile(join(root, 'rich-skill.md'), [ + '---', + 'name: rich-skill', + 'description: rich description', + 'whenToUse: For richer local parsing', + 'disableModelInvocation: false', + 'metadata:', + ' owner: tests', + '---', + '', + 'Rich body.', + ].join('\n')) + await writeFile(join(root, 'bad.md'), '---\nname: Bad_Name\ndescription: bad\n---\n\nbad') + await writeFile(join(root, 'missing-description.md'), '---\nname: missing-description\n---\n\nbad') + await writeFile(join(root, 'no-frontmatter.md'), 'No frontmatter.') + await writeFile(join(root, 'plain-markdown.md'), '# Notes\nNot a skill.') + await writeFile(join(root, 'open-frontmatter.md'), '---\nname: open-frontmatter') + await writeFile(join(root, 'non-object.md'), '---\n[]\n---\n\nbad') + await writeFile(join(root, 'no-trailing-body.md'), '---\nname: no-trailing-body\ndescription: No trailing body\n---') + await writeFile(join(root, 'notes.txt'), 'ignored') + await mkdir(join(root, 'not-a-skill'), { recursive: true }) + await writeSkill(root, 'hidden-skill', 'hidden description', 'Hidden.') + await writeFile(join(root, 'hidden-skill/SKILL.md'), '---\nname: hidden-skill\ndescription: hidden description\ndisableModelInvocation: true\n---\n\nHidden.\n') + + const ctx = await setupLocal(home) + const listedBeforeDelete = await ctx.skills.list() + const flatSummary = listedBeforeDelete.find(skill => skill.name === 'flat-skill') + if (flatSummary === undefined) throw new Error('expected flat-skill') + await writeFile(join(root, 'flat-skill.md'), '') + + expect(listedBeforeDelete.map(skill => skill.name)).toEqual(['flat-skill', 'no-trailing-body', 'rich-skill']) + expect(await ctx.skills.get('flat-skill')).toBeUndefined() + expect((await ctx.skills.get('hidden-skill'))?.content).toContain('Hidden.') + expect(await ctx.skills.get('rich-skill')).toMatchObject({ + whenToUse: 'For richer local parsing', + disableModelInvocation: false, + metadata: { owner: 'tests' }, + }) + expect(await ctx.skills.get('Bad_Name')).toBeUndefined() + }) + + it('supports CRLF frontmatter and ignores delimiter-looking text inside YAML values', async () => { + const home = await tempDir('skill-frontmatter-crlf') + const root = join(home, '.dsh/skills') + await mkdir(root, { recursive: true }) + await writeFile(join(root, 'crlf-skill.md'), [ + '---', + 'name: crlf-skill', + 'description: CRLF skill', + 'metadata:', + ' marker: "----"', + '---', + '', + 'CRLF body.', + ].join('\r\n')) + await writeFile(join(root, 'block-skill.md'), [ + '---', + 'name: block-skill', + 'description: |', + ' Includes a ---- marker that is not a delimiter.', + '---', + '', + 'Block body.', + ].join('\n')) + + const ctx = await setupLocal(home) + + expect((await ctx.skills.get('crlf-skill'))?.content).toBe('CRLF body.') + expect((await ctx.skills.get('crlf-skill'))?.metadata).toEqual({ marker: '----' }) + expect((await ctx.skills.get('block-skill'))?.description).toBe('Includes a ---- marker that is not a delimiter.\n') + expect((await ctx.skills.get('block-skill'))?.content).toBe('Block body.') + }) + + it('skips invalid YAML skill files without hiding valid siblings', async () => { + const home = await tempDir('skill-invalid-yaml') + const root = join(home, '.dsh/skills') + await writeSkill(root, 'good-skill', 'Good skill') + await writeFile(join(root, 'bad-yaml.md'), '---\nname: bad-yaml\ndescription: [unclosed\n---\n\nBad body.\n') + + const ctx = await setupLocal(home) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['good-skill']) + }) + + it('discovers symlinked skill directories and flat files', async () => { + const home = await tempDir('skill-symlink-home') + const external = await tempDir('skill-symlink-external') + await writeSkill(external, 'linked-dir', 'Linked directory') + await writeFlatSkill(external, 'linked-flat', 'Linked flat') + await mkdir(join(home, '.dsh/skills'), { recursive: true }) + await symlink(join(external, 'linked-dir'), join(home, '.dsh/skills/linked-dir')) + await symlink(join(external, 'linked-flat.md'), join(home, '.dsh/skills/linked-flat.md')) + await symlink(join(external, 'missing'), join(home, '.dsh/skills/broken-link')) + await symlink('/dev/null', join(home, '.dsh/skills/device-link')) + + const ctx = await setupLocal(home) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['linked-dir', 'linked-flat']) + }) + + it('uses the filesystem service for discovery, reads, and project-root lookup', async () => { + const home = await tempDir('skill-read-fs') + const project = await tempDir('skill-project-root-backend') + const nestedCwd = join(project, 'packages/app') + const root = join(home, '.dsh/skills') + await mkdir(nestedCwd, { recursive: true }) + await writeFlatSkill(root, 'text-skill', 'Text skill', 'Text body.') + await writeFlatSkill(root, 'resolve-fail', 'Resolve fail', 'Resolve body.') + await writeFlatSkill(root, 'stat-fail', 'Stat fail', 'Stat body.') + await mkdir(join(root, 'empty-dir'), { recursive: true }) + await mkdir(join(root, 'directory-skill/SKILL.md'), { recursive: true }) + await writeFile(join(root, 'binary-skill.md'), Buffer.concat([ + Buffer.from('---\nname: binary-skill\ndescription: Binary skill\n---\n\n'), + Buffer.from([0xff]), + Buffer.from('\n'), + ])) + await writeSkill(join(project, '.agents/skills'), 'backend-root', 'Backend root skill') + + const ctx = new Context() + await ctx.plugin(TestFileSystem) + const fs = ctx.fs as TestFileSystem + fs.failResolvePaths.add(join(root, 'resolve-fail.md')) + fs.failStatPaths.add(join(root, 'stat-fail.md')) + fs.failResolvePaths.add(join(nestedCwd, '.git')) + fs.failStatPaths.add(join(project, 'packages/.git')) + fs.statOverrides.set(join(project, '.git'), { + version: FsVersion('virtual-git'), + type: 'directory', + size: 0, + }) + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + + expect((await ctx.skills.list({ cwd: nestedCwd })).map(skill => [skill.name, skill.source])).toEqual([ + ['backend-root', 'project-agents'], + ['text-skill', 'user-dsh'], + ]) + expect(fs.listDirCalls).toBeGreaterThan(0) + expect(await ctx.skills.get('binary-skill')).toBeUndefined() + }) + + it('forwards cancellation to filesystem reads while loading a skill', async () => { + const home = await tempDir('skill-read-abort') + await writeSkill(join(home, '.dsh/skills'), 'abortable-skill', 'Abortable skill') + + const ctx = new Context() + await ctx.plugin(TestFileSystem) + const fs = ctx.fs as TestFileSystem + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['abortable-skill']) + + fs.statSignals = [] + fs.readTextSignals = [] + const started = Promise.withResolvers<undefined>() + fs.readTextOverride = async (_target, signal) => { + if (signal === undefined) throw new Error('expected the skill lookup signal') + started.resolve(undefined) + return await new Promise<string>((_resolve, reject) => { + signal.addEventListener('abort', () => { + const abortReason = signal.reason as unknown + reject(abortReason instanceof Error ? abortReason : new Error(String(abortReason))) + }, { once: true }) + }) + } + const controller = new AbortController() + const reason = new Error('turn cancelled') + const loading = ctx.skills.get('abortable-skill', { signal: controller.signal }) + await started.promise + controller.abort(reason) + + await expect(loading).rejects.toBe(reason) + expect(fs.statSignals).toEqual([controller.signal]) + expect(fs.readTextSignals).toEqual([controller.signal]) + }) + + it('uses default home root resolution without exposing builtin skills', async () => { + const previousDshHome = process.env.DSH_HOME + const previousAgentsHome = process.env.DSH_AGENTS_HOME + const envHome = await tempDir('skill-env-home') + try { + process.env.DSH_HOME = join(envHome, '.dsh') + process.env.DSH_AGENTS_HOME = join(envHome, '.agents') + await writeSkill(join(envHome, '.dsh/skills'), 'env-skill', 'Env skill') + const ctx = new Context() + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['env-skill']) + + process.env.DSH_HOME = join(envHome, 'empty-dsh') + process.env.DSH_AGENTS_HOME = join(envHome, 'empty-agents') + const empty = new Context() + await empty.plugin(SkillService) + SkillLocal.apply(empty, {}) + expect(await empty.skills.list()).toEqual([]) + } finally { + if (previousDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = previousDshHome + } + if (previousAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = previousAgentsHome + } + } + }) +}) diff --git a/packages/skill/skill-local/tsconfig.json b/packages/skill/skill-local/tsconfig.json new file mode 100644 index 0000000000..018f0a4a50 --- /dev/null +++ b/packages/skill/skill-local/tsconfig.json @@ -0,0 +1,15 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": ["src"], + "references": [ + { "path": "../../../vendor/cosmokit" }, + { "path": "../../../vendor/cordis" }, + { "path": "../../../vendor/schemastery" }, + { "path": "../../fs/fs" }, + { "path": "../skill" } + ] +} diff --git a/packages/skill/skill/README.md b/packages/skill/skill/README.md new file mode 100644 index 0000000000..98f787dbc7 --- /dev/null +++ b/packages/skill/skill/README.md @@ -0,0 +1,34 @@ +# @deepseek-ai/dsh-skill + +Pure agent skill provider registry. + +This package owns the `ctx.skills` interface. It does not know whether skills come from local files, embedded plugin data, HTTP, or another backend; providers register those sources with `ctx.skills.registerProvider(...)`. The shipped local implementation is [`@deepseek-ai/dsh-skill-local`](../skill-local). + +## Service: `SkillService` (ctx key: `skills`) + +### Public API + +- `ctx.skills.registerProvider(provider): () => void` Registers a provider by unique `provider.name`. Duplicate provider names throw, and `runtime` is reserved for `ctx.skills.register(...)`. The registration is effect-scoped and HMR-safe. +- `ctx.skills.list({ cwd?, signal? })` Returns model-invocable skill summaries for the current workspace, merged across providers and sorted by name. +- `ctx.skills.get(name, { cwd?, signal? })` Returns the full winning skill, including disabled-for-model skills. +- `ctx.skills.register(skill): () => void` Registers a runtime embedded skill. Same-name runtime registrations are first-wins: a duplicate logs a warning and gets a no-op disposer. + +### Config + +| Field | Default | Meaning | +|---|---|---| +| `collectCacheMaxEntries` | `128` | Maximum completed cwd/provider catalog snapshots kept in memory. | + +## Provider Contract + +A provider registers synchronously from its `apply()` and returns `SkillCandidate[]` from `list(options)` when discovery is requested. Remote setup, authentication, and discovery belong in the awaited `list()` call rather than plugin registration. Providers should stop promptly when `options.signal` aborts; the registry also stops awaiting an uncooperative provider so agent cancellation cannot hang prefix composition. The provider later receives the winning candidate back in `get(candidate, options)`. The candidate's `locator` is opaque to the registry, so a local provider can store a file path while a remote provider can store a URL, id, or version token. + +The registry validates candidate names, descriptions, ranks, and provider ownership. Candidate contract violations fail fast because the provider plugin is malformed; a provider `list()` rejection is treated as a transient source failure, logged, skipped for that request, and not cached. Only completed catalogs are cached, and a provider/runtime revision change during discovery discards the stale result and retries. Duplicate skill names are resolved first-wins by `rank`, provider registration order, then the provider's own local order. The final summary list is sorted by skill `name` for deterministic consumers. + +## Runtime Skills + +`ctx.skills.register(...)` is a convenience for embedded runtime skills. Runtime skills use rank `250`: project providers can override them, while they override the shipped local provider's custom and user roots. Runtime registration is also first-wins within runtime contributions, so a duplicate contribution cannot remove the active one through its disposer. + +## Consumer boundary + +The registry does not render model guidance or register model-facing tools. [`@deepseek-ai/dsh-tool-skill`](../tool-skill) consumes `ctx.skills` to provide the session-prefix catalog and `skill` tool, so providers remain independent of the model surface. diff --git a/packages/skill/skill/package.json b/packages/skill/skill/package.json new file mode 100644 index 0000000000..b303e16bed --- /dev/null +++ b/packages/skill/skill/package.json @@ -0,0 +1,33 @@ +{ + "name": "@deepseek-ai/dsh-skill", + "description": "Agent skill provider registry for the DeepSeek Harness", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/skill/skill/src/index.ts b/packages/skill/skill/src/index.ts new file mode 100644 index 0000000000..50a8b5d0d0 --- /dev/null +++ b/packages/skill/skill/src/index.ts @@ -0,0 +1,461 @@ +/** + * Agent skill provider registry. + * + * This package is the interface third of the skill capability seam. Concrete + * providers such as `@deepseek-ai/dsh-skill-local` decide where skills come + * from; this service only merges provider catalogs, resolves the winning skill + * for a name, and exposes the winning summaries and definitions to consumers. + * + * @module @deepseek-ai/dsh-skill + */ + +import { Context, Service } from 'cordis' +import z from 'schemastery' +import type Schema from 'schemastery' + +const SKILL_NAME = /^[a-z0-9]+(?:-[a-z0-9]+)*$/ +const DEFAULT_COLLECT_CACHE_ENTRIES = 128 +const RUNTIME_PROVIDER = 'runtime' +const RUNTIME_RANK = 250 + +/** + * Return whether a string is a valid kebab-case skill name. + * @param name - candidate skill name to validate. + * @returns whether the name matches the public skill-name grammar. + */ +export function isSkillName(name: string): boolean { + return SKILL_NAME.test(name) +} + +/** Origin bucket for a skill contribution. The value is prompt-visible metadata, not precedence by itself. */ +export type SkillSource = 'project-dsh' | 'project-agents' | 'runtime' | 'user-dsh' | 'user-agents' | 'custom' | (string & {}) + +/** Optional provider-specific base used by loaded skill bodies to resolve relative resources. */ +export type SkillResourceBase = + | { kind: 'directory'; path: string } + | { kind: 'url'; url: string } + | { kind: 'opaque'; description: string } + +/** Model-visible skill metadata returned by `ctx.skills.list()` and rendered into request guidance. */ +export interface SkillSummary { + /** Kebab-case identifier used with the `skill` tool. */ + name: string + /** Short routing description shown to the model. */ + description: string + /** Optional extra routing guidance shown to the model. */ + whenToUse?: string + /** Whether the skill is hidden from model listings while remaining loadable by trusted callers. */ + disableModelInvocation?: boolean + /** Discovery source that produced this winning skill. */ + source: SkillSource + /** Provider that owns this skill body. */ + provider: string + /** Provider-specific base for relative resources. */ + resourceBase?: SkillResourceBase +} + +/** Provider catalog entry used by the registry to merge and later load skills. */ +export interface SkillCandidate extends SkillSummary { + /** Lower ranks win duplicate skill names before provider registration order is considered. */ + rank: number + /** Opaque provider-owned handle passed back to `provider.get()`. */ + locator: unknown + /** Absolute file path when the provider has one. */ + path?: string + /** Parsed optional metadata object from provider-specific skill frontmatter. */ + metadata?: Record<string, unknown> +} + +/** Complete parsed skill definition, including the body loaded by `ctx.skills.get()`. */ +export interface SkillDefinition extends SkillSummary { + /** Markdown instruction body after any provider-specific metadata removal. */ + content: string + /** Absolute file path when the skill came from disk. */ + path?: string + /** Parsed optional metadata object from frontmatter. */ + metadata?: Record<string, unknown> +} + +/** Runtime skill contribution accepted by `ctx.skills.register()`. */ +export type SkillRegistration = Omit<SkillDefinition, 'provider'> & { provider?: string } + +/** Caller context used for cwd-sensitive and abortable provider work. */ +export interface SkillLookupOptions { + cwd?: string | undefined + /** Abort discovery or loading work for the current caller. */ + signal?: AbortSignal | undefined +} + +/** Provider interface for one source of skills, such as local directories or a remote registry. */ +export interface SkillProvider { + /** Unique provider name in the `ctx.skills` registry. */ + name: string + /** + * List available skill candidates for the current lookup context. Provider + * plugins register synchronously during `apply()`; remote initialization, + * authentication, and discovery are awaited inside this method. Implementations + * should settle promptly when `options.signal` aborts. + * @param options - lookup options; `cwd` selects workspace-sensitive skills and `signal` cancels work. + * @returns provider candidates with precedence ranks and opaque locators. + */ + list(options: SkillLookupOptions): Promise<SkillCandidate[]> + /** + * Load a complete skill body for a previously listed candidate. + * @param candidate - the winning candidate originally returned by this provider. + * @param options - lookup options; `cwd` selects workspace-sensitive skills and `signal` cancels work. + * @returns the full skill body, or `undefined` if it is no longer loadable. + */ + get(candidate: SkillCandidate, options: SkillLookupOptions): Promise<SkillDefinition | undefined> +} + +/** Skill registry configuration. */ +export interface Config { + /** Maximum number of completed cwd/provider catalog snapshots kept in memory. */ + collectCacheMaxEntries?: number +} + +declare module 'cordis' { + interface Context { + skills: SkillService + } + + interface Events { + /** + * A skill provider became resolvable in the `ctx.skills` registry. + * Consumers can observe this instead of depending on Cordis plugin load + * order, which is concurrent for sibling plugins. + * @param provider - the provider that just registered. + * @mode emit + */ + 'skill/provider-added'(provider: SkillProvider): void + /** + * A skill provider left the registry because its plugin fiber was disposed. + * @param name - the registry name that no longer resolves. + * @mode emit + */ + 'skill/provider-removed'(name: string): void + } +} + +interface IndexedCandidate { + candidate: SkillCandidate + provider: SkillProvider + providerOrder: number + localOrder: number +} + +interface CollectResult { + entries: IndexedCandidate[] + cacheable: boolean +} + +/** + * Registry of skill providers. It merges provider catalogs with stable + * first-wins duplicate handling, exposes sorted model-visible summaries, and + * loads full skill bodies on demand. + */ +export class SkillService extends Service { + static Config: Schema<Config> = z.object({ + collectCacheMaxEntries: z.number().default(DEFAULT_COLLECT_CACHE_ENTRIES), + }) + + private readonly collectCacheMaxEntries: number + private readonly providers = new Map<string, { provider: SkillProvider; order: number }>() + private readonly runtime = new Map<string, SkillDefinition>() + private readonly collectCache = new Map<string, IndexedCandidate[]>() + private providerRevision = 0 + private nextProviderOrder = 0 + private runtimeRevision = 0 + + constructor(ctx: Context, config: Config = {}) { + super(ctx, 'skills') + this.collectCacheMaxEntries = config.collectCacheMaxEntries ?? DEFAULT_COLLECT_CACHE_ENTRIES + assertPositiveInteger('collectCacheMaxEntries', this.collectCacheMaxEntries) + } + + /** + * Register a skill provider synchronously during the provider plugin's + * `apply()`. Throws if another provider already owns the same provider name, + * including the reserved runtime provider name. Providers that need remote + * initialization do that work inside `list()` after registration. Effect- + * scoped and HMR-safe: disposing the caller's fiber unregisters the provider + * and invalidates cached catalogs. + * @param provider - the provider to register by `provider.name`. + * @returns a disposer that unregisters this provider. + */ + registerProvider(provider: SkillProvider): () => void { + const dispose = this.ctx.effect(function* (this: SkillService) { + if (provider.name === RUNTIME_PROVIDER) { + throw new Error(`"${RUNTIME_PROVIDER}" is reserved for runtime skill registrations`) + } + if (this.providers.has(provider.name)) { + throw new Error(`a skill provider named "${provider.name}" is already registered`) + } + this.providers.set(provider.name, { provider, order: this.nextProviderOrder }) + this.nextProviderOrder += 1 + this.invalidateCache() + yield () => { + this.providers.delete(provider.name) + this.invalidateCache() + this.ctx.emit('skill/provider-removed', provider.name) + } + this.ctx.emit('skill/provider-added', provider) + }.bind(this), 'skills.registerProvider()') + return () => void dispose() + } + + /** + * Register a runtime skill contribution. Runtime registrations are treated as + * embedded provider entries with project-over-user priority. Same-name runtime + * registrations are first-wins: a duplicate logs a warning and gets a no-op + * disposer so it cannot remove the active contribution. + * @param skill - the complete skill definition to expose for discovery. + * @returns a disposer that removes this runtime contribution and invalidates caches. + */ + register(skill: SkillRegistration): () => void { + const normalized = normalizeRuntimeSkill(skill) + const existing = this.runtime.get(normalized.name) + if (existing !== undefined) { + this.ctx.logger.warn(`runtime skill "${normalized.name}" ignored because it is already registered`) + return () => {} + } + const dispose = this.ctx.effect(function* (this: SkillService) { + this.runtime.set(normalized.name, normalized) + this.runtimeRevision += 1 + this.invalidateCache() + yield () => { + this.runtime.delete(normalized.name) + this.runtimeRevision += 1 + this.invalidateCache() + } + }.bind(this), 'skills.register()') + return () => void dispose() + } + + /** + * List model-invocable skill summaries for a workspace. + * @param options - lookup options; `cwd` selects project roots and `signal` cancels discovery. + * @returns sorted summaries, excluding skills disabled for model invocation. + */ + async list(options: SkillLookupOptions = {}): Promise<SkillSummary[]> { + return (await this.collect(options)) + .map(entry => entry.candidate) + .filter(skill => skill.disableModelInvocation !== true) + .map(toSummary) + .sort(compareSkillSummary) + } + + /** + * Load one full skill definition by name. + * @param name - kebab-case skill name. + * @param options - lookup options; `cwd` selects workspace-sensitive skills and `signal` cancels work. + * @returns the full skill, including body content, or `undefined`. + */ + async get(name: string, options: SkillLookupOptions = {}): Promise<SkillDefinition | undefined> { + if (!isSkillName(name)) return undefined + const match = (await this.collect(options)).find(entry => entry.candidate.name === name) + if (match === undefined) return undefined + return await match.provider.get(match.candidate, options) + } + + private async collect(options: SkillLookupOptions): Promise<IndexedCandidate[]> { + options.signal?.throwIfAborted() + while (true) { + const providerRevision = this.providerRevision + const runtimeRevision = this.runtimeRevision + const key = collectCacheKey(options, providerRevision, runtimeRevision) + const cached = this.collectCache.get(key) + if (cached !== undefined) return cached + + const result = await this.collectFresh(options) + options.signal?.throwIfAborted() + if (providerRevision !== this.providerRevision || runtimeRevision !== this.runtimeRevision) continue + if (result.cacheable) { + this.collectCache.set(key, result.entries) + if (this.collectCache.size > this.collectCacheMaxEntries) { + const oldest = this.collectCache.keys().next() as IteratorYieldResult<string> + this.collectCache.delete(oldest.value) + } + } + return result.entries + } + } + + private async collectFresh(options: SkillLookupOptions): Promise<CollectResult> { + const collected = await this.listAllCandidates(options) + collected.entries.sort(compareIndexedCandidates) + const seen = new Set<string>() + const result: IndexedCandidate[] = [] + for (const entry of collected.entries) { + const skill = entry.candidate + if (seen.has(skill.name)) { + this.ctx.logger.warn(`skill "${skill.name}" from ${skill.source} ignored because a higher-priority skill already exists`) + continue + } + seen.add(skill.name) + result.push(entry) + } + return { entries: result, cacheable: collected.cacheable } + } + + private async listAllCandidates(options: SkillLookupOptions): Promise<CollectResult> { + options.signal?.throwIfAborted() + const candidates: IndexedCandidate[] = [] + let cacheable = true + let runtimeOrder = 0 + for (const skill of [...this.runtime.values()].sort((a, b) => compareCodePoints(a.name, b.name))) { + candidates.push({ + candidate: runtimeCandidate(skill), + provider: RUNTIME_SKILL_PROVIDER, + providerOrder: -1, + localOrder: runtimeOrder, + }) + runtimeOrder += 1 + } + for (const { provider, order } of [...this.providers.values()]) { + let localOrder = 0 + let listed: SkillCandidate[] | undefined + try { + listed = await waitWithAbort(provider.list(options), options.signal) + } catch (error) { + if (options.signal?.aborted === true) throw toError(options.signal.reason) + cacheable = false + this.ctx.logger.warn(`skill provider "${provider.name}" skipped: ${errorMessage(error)}`) + } + if (listed === undefined) continue + for (const candidate of listed) { + validateCandidate(candidate, provider.name) + candidates.push({ candidate, provider, providerOrder: order, localOrder }) + localOrder += 1 + } + } + return { entries: candidates, cacheable } + } + + private invalidateCache(): void { + this.providerRevision += 1 + this.collectCache.clear() + } +} + +const RUNTIME_SKILL_PROVIDER: SkillProvider = { + name: RUNTIME_PROVIDER, + /* v8 ignore next -- Runtime skills are injected directly by the registry; this provider only owns `get()`. */ + list() { + return Promise.resolve([]) + }, + get(candidate) { + const skill = candidate.locator as SkillDefinition + return Promise.resolve({ ...skill }) + }, +} + +function runtimeCandidate(skill: SkillDefinition): SkillCandidate { + return { + ...toSummary(skill), + rank: RUNTIME_RANK, + locator: skill, + ...skill.path !== undefined ? { path: skill.path } : {}, + ...skill.metadata !== undefined ? { metadata: skill.metadata } : {}, + } +} + +function validateCandidate(candidate: SkillCandidate, providerName: string): void { + if (!SKILL_NAME.test(candidate.name)) { + throw new Error(`skill provider "${providerName}" returned invalid skill name "${candidate.name}"`) + } + if (candidate.description.length === 0) { + throw new Error(`skill provider "${providerName}" returned skill "${candidate.name}" without a description`) + } + if (!Number.isFinite(candidate.rank)) { + throw new Error(`skill provider "${providerName}" returned skill "${candidate.name}" with an invalid rank`) + } + if (candidate.provider !== providerName) { + throw new Error(`skill provider "${providerName}" returned skill "${candidate.name}" for provider "${candidate.provider}"`) + } +} + +function normalizeRuntimeSkill(skill: SkillRegistration): SkillDefinition { + if (!SKILL_NAME.test(skill.name)) throw new Error(`invalid skill name "${skill.name}"`) + if (skill.description.length === 0) throw new Error(`skill "${skill.name}" requires a description`) + return { + ...skill, + provider: skill.provider ?? RUNTIME_PROVIDER, + source: skill.source, + } +} + +function toSummary(skill: SkillDefinition | SkillCandidate): SkillSummary { + const { name, description, whenToUse, disableModelInvocation, source, provider, resourceBase } = skill + return { + name, + description, + ...whenToUse !== undefined ? { whenToUse } : {}, + ...disableModelInvocation !== undefined ? { disableModelInvocation } : {}, + source, + provider, + ...resourceBase !== undefined ? { resourceBase } : {}, + } +} + +function compareSkillSummary(left: SkillSummary, right: SkillSummary): number { + return compareCodePoints(left.name, right.name) +} + +function compareCodePoints(left: string, right: string): number { + if (left < right) return -1 + if (left > right) return 1 + return 0 +} + +function compareIndexedCandidates(left: IndexedCandidate, right: IndexedCandidate): number { + return left.candidate.rank - right.candidate.rank + || left.providerOrder - right.providerOrder + || left.localOrder - right.localOrder +} + +function assertPositiveInteger(name: string, value: number, minimum = 1): void { + if (!Number.isInteger(value) || value < minimum) { + throw new Error(`skill: ${name} must be an integer greater than or equal to ${minimum}`) + } +} + +function collectCacheKey(options: SkillLookupOptions, providerRevision: number, runtimeRevision: number): string { + return JSON.stringify({ cwd: options.cwd, providerRevision, runtimeRevision }) +} + +function waitWithAbort<T>(promise: Promise<T>, signal: AbortSignal | undefined): Promise<T> { + if (signal === undefined) return promise + signal.throwIfAborted() + return new Promise<T>((resolve, reject) => { + const cleanup = (): void => { + signal.removeEventListener('abort', onAbort) + } + const onAbort = (): void => { + cleanup() + reject(toError(signal.reason)) + } + signal.addEventListener('abort', onAbort, { once: true }) + void promise.then( + (value) => { + cleanup() + resolve(value) + }, + (error: unknown) => { + cleanup() + reject(toError(error)) + }, + ) + if (signal.aborted) onAbort() + }) +} + +function toError(error: unknown): Error { + return error instanceof Error ? error : new Error(String(error)) +} + +function errorMessage(error: unknown): string { + return String(error) +} + +export default SkillService diff --git a/packages/skill/skill/tests/skill.spec.ts b/packages/skill/skill/tests/skill.spec.ts new file mode 100644 index 0000000000..010d161039 --- /dev/null +++ b/packages/skill/skill/tests/skill.spec.ts @@ -0,0 +1,344 @@ +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import SkillService, { type SkillCandidate, type SkillDefinition, type SkillLookupOptions, type SkillProvider } from '@deepseek-ai/dsh-skill' + +function memorySkill(name: string, description: string, rank: number, body = `${name} body.`): SkillCandidate { + return { + name, + description, + provider: 'memory', + source: 'memory', + rank, + locator: { content: body }, + } +} + +class MemoryProvider implements SkillProvider { + readonly name = 'memory' + listCalls = 0 + + constructor(private candidates: SkillCandidate[]) {} + + async list(_options: SkillLookupOptions): Promise<SkillCandidate[]> { + this.listCalls += 1 + return this.candidates + } + + async get(candidate: SkillCandidate): Promise<SkillDefinition | undefined> { + const locator = candidate.locator as { content: string } + return { ...candidate, content: locator.content } + } + + replace(candidates: SkillCandidate[]): void { + this.candidates = candidates + } +} + +describe('SkillService registry', () => { + it('registers providers, resolves duplicates first-wins, and disposes providers', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + const provider = new MemoryProvider([ + memorySkill('z-skill', 'Z skill', 20), + memorySkill('a-skill', 'A skill', 10), + memorySkill('shadowed', 'Lower priority', 20), + ]) + const overrideProvider: SkillProvider = { + name: 'override', + async list() { + return [{ + name: 'shadowed', + description: 'Higher priority', + provider: 'override', + source: 'override', + rank: 5, + locator: { content: 'Override body.' }, + }] + }, + async get(candidate) { + return { ...candidate, content: (candidate.locator as { content: string }).content } + }, + } + const disposeMemory = ctx.skills.registerProvider(provider) + ctx.skills.registerProvider(overrideProvider) + + expect((await ctx.skills.list()).map(skill => [skill.name, skill.description, skill.provider])).toEqual([ + ['a-skill', 'A skill', 'memory'], + ['shadowed', 'Higher priority', 'override'], + ['z-skill', 'Z skill', 'memory'], + ]) + expect((await ctx.skills.get('shadowed'))?.content).toBe('Override body.') + const sameRankProvider: SkillProvider = { + name: 'same-rank', + async list() { + return [{ + name: 'same-rank-skill', + description: 'Same rank', + provider: 'same-rank', + source: 'same-rank', + rank: 10, + locator: { content: 'Same rank body.' }, + }] + }, + async get(candidate) { + return { ...candidate, content: (candidate.locator as { content: string }).content } + }, + } + ctx.skills.registerProvider(sameRankProvider) + expect((await ctx.skills.list()).find(skill => skill.name === 'same-rank-skill')?.provider).toBe('same-rank') + await expect(ctx.plugin({ + name: 'duplicate-memory', + inject: ['skills'], + apply(pluginCtx: Context) { + pluginCtx.skills.registerProvider(new MemoryProvider([])) + }, + })).rejects.toThrow('already registered') + expect(() => ctx.skills.registerProvider({ + name: 'runtime', + async list() { + return [] + }, + async get() { + return undefined + }, + })).toThrow('reserved') + + disposeMemory() + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['same-rank-skill', 'shadowed']) + }) + + it('validates provider candidates and invalid registry caps', async () => { + const defaultedService = new SkillService(new Context()) + expect(await defaultedService.list()).toEqual([]) + + const ctx = new Context() + await ctx.plugin(SkillService) + ctx.skills.registerProvider({ + name: 'bad', + async list() { + return [memorySkill('Bad_Name', 'bad', 1)] + }, + async get() { + return undefined + }, + }) + await expect(ctx.skills.list()).rejects.toThrow('invalid skill name') + + const invalidCandidates = [ + { ...memorySkill('empty-description', '', 1), provider: 'empty-description' }, + { ...memorySkill('bad-rank', 'Bad rank', Number.NaN), provider: 'bad-rank' }, + { ...memorySkill('wrong-provider', 'Wrong provider', 1), provider: 'different' }, + ] + for (const candidate of invalidCandidates) { + const invalid = new Context() + await invalid.plugin(SkillService) + invalid.skills.registerProvider({ + name: candidate.name, + async list() { + return [candidate] + }, + async get() { + return undefined + }, + }) + await expect(invalid.skills.list()).rejects.toThrow('skill provider') + } + + await expect(new Context().plugin(SkillService, { collectCacheMaxEntries: 1.5 })).rejects.toThrow('collectCacheMaxEntries') + }) + + it('sorts model-visible summaries without locale-sensitive collation', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + ctx.skills.registerProvider(new MemoryProvider([ + memorySkill('z-skill', 'Z skill', 10), + memorySkill('a-skill', 'A skill', 10), + ])) + const localeCompare = vi.spyOn(String.prototype, 'localeCompare') + const sort = vi.spyOn(Array.prototype, 'sort') + + try { + const skills = await ctx.skills.list() + expect(skills.map(skill => skill.name)).toEqual(['a-skill', 'z-skill']) + expect(localeCompare).not.toHaveBeenCalled() + + const summaryComparator = sort.mock.calls.at(-1)?.[0] + expect(summaryComparator).toBeTypeOf('function') + expect(summaryComparator?.(skills[0], skills[0])).toBe(0) + } finally { + sort.mockRestore() + localeCompare.mockRestore() + } + }) + + it('caches provider discovery, skips failing providers, and invalidates on runtime skills', async () => { + const ctx = new Context() + await ctx.plugin(SkillService, { collectCacheMaxEntries: 1 }) + const provider = new MemoryProvider([memorySkill('first-skill', 'First', 10)]) + ctx.skills.registerProvider(provider) + + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['first-skill']) + provider.replace([memorySkill('second-skill', 'Second', 10)]) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['first-skill']) + + const disposeRuntime = ctx.skills.register({ + name: 'runtime-skill', + description: 'Runtime', + source: 'runtime', + resourceBase: { kind: 'opaque', description: 'runtime memory' }, + path: 'memory://runtime-skill', + metadata: { owner: 'tests' }, + content: 'Runtime body.', + }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['runtime-skill', 'second-skill']) + expect(await ctx.skills.get('runtime-skill')).toMatchObject({ + content: 'Runtime body.', + path: 'memory://runtime-skill', + metadata: { owner: 'tests' }, + }) + disposeRuntime() + await ctx.skills.list({ cwd: '/tmp/first-cache-key' }) + await ctx.skills.list({ cwd: '/tmp/second-cache-key' }) + + let fail = true + let flakyCalls = 0 + ctx.skills.registerProvider({ + name: 'flaky', + async list() { + flakyCalls += 1 + if (fail) throw new Error('transient discovery failure') + return [{ ...memorySkill('flaky-skill', 'Flaky', 10), provider: 'flaky' }] + }, + async get() { + return undefined + }, + }) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['second-skill']) + expect(flakyCalls).toBe(1) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['second-skill']) + expect(flakyCalls).toBe(2) + fail = false + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['flaky-skill', 'second-skill']) + expect(flakyCalls).toBe(3) + expect((await ctx.skills.list()).map(skill => skill.name)).toEqual(['flaky-skill', 'second-skill']) + expect(flakyCalls).toBe(3) + }) + + it('abandons an in-flight catalog when provider registrations change', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + let markStarted: (() => void) | undefined + let release: (() => void) | undefined + const started = new Promise<void>((resolve) => { markStarted = resolve }) + const gate = new Promise<void>((resolve) => { release = resolve }) + const dispose = ctx.skills.registerProvider({ + name: 'delayed', + async list() { + markStarted?.() + await gate + return [{ ...memorySkill('stale-skill', 'Stale', 10), provider: 'delayed' }] + }, + async get(candidate) { + return { ...candidate, content: 'Stale body.' } + }, + }) + + const pending = ctx.skills.list() + await started + dispose() + release?.() + + expect(await pending).toEqual([]) + }) + + it('stops waiting for discovery when its lookup signal aborts', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + let markStarted: (() => void) | undefined + let release: (() => void) | undefined + let seenSignal: AbortSignal | undefined + const started = new Promise<void>((resolve) => { markStarted = resolve }) + const held = new Promise<SkillCandidate[]>((resolve) => { + release = () => { resolve([]) } + }) + ctx.skills.registerProvider({ + name: 'uncooperative', + list(options) { + seenSignal = options.signal + markStarted?.() + return held + }, + async get() { + return undefined + }, + }) + const controller = new AbortController() + const reason = 'discovery cancelled' + const pending = ctx.skills.list({ signal: controller.signal }) + const outcome = pending.then( + () => 'resolved', + (error: unknown) => error instanceof Error && error.message === reason ? 'aborted' : 'other-error', + ) + await started + controller.abort(reason) + + const settled = await Promise.race([ + outcome, + new Promise<'timeout'>(resolve => setTimeout(() => { resolve('timeout') }, 25)), + ]) + release?.() + await pending.catch(() => undefined) + + expect(seenSignal).toBe(controller.signal) + expect(settled).toBe('aborted') + }) + + it('does not miss an abort racing listener installation', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + const reason = new Error('racing abort') + let aborted = false + const signal = { + get aborted() { + return aborted + }, + reason, + throwIfAborted() { + if (aborted) throw reason + }, + addEventListener(_type: string, listener: () => void) { + aborted = true + listener() + }, + removeEventListener() {}, + } as unknown as AbortSignal + ctx.skills.registerProvider({ + name: 'racing-abort', + list() { + return Promise.reject(new Error('late provider failure')) + }, + async get() { + return undefined + }, + }) + + await expect(ctx.skills.list({ signal })).rejects.toBe(reason) + await Promise.resolve() + }) + + it('rejects invalid runtime skill registrations and ignores duplicates', async () => { + const ctx = new Context() + await ctx.plugin(SkillService) + expect(() => ctx.skills.register({ name: 'Bad_Name', description: 'Bad', source: 'runtime', content: 'bad' })).toThrow('invalid skill name') + expect(() => ctx.skills.register({ name: 'no-description', description: '', source: 'runtime', content: 'bad' })).toThrow('requires a description') + expect(await ctx.skills.get('missing-skill')).toBeUndefined() + expect(await ctx.skills.get('Bad_Name')).toBeUndefined() + + const disposeFirst = ctx.skills.register({ name: 'same-skill', description: 'First', source: 'runtime', content: 'first' }) + const disposeSecond = ctx.skills.register({ name: 'same-skill', description: 'Second', source: 'runtime', content: 'second' }) + disposeSecond() + expect((await ctx.skills.get('same-skill'))?.description).toBe('First') + disposeFirst() + expect(await ctx.skills.get('same-skill')).toBeUndefined() + }) +}) diff --git a/packages/skill/skill/tsconfig.json b/packages/skill/skill/tsconfig.json new file mode 100644 index 0000000000..1b1855dcc4 --- /dev/null +++ b/packages/skill/skill/tsconfig.json @@ -0,0 +1,13 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": ["src"], + "references": [ + { "path": "../../../vendor/cosmokit" }, + { "path": "../../../vendor/cordis" }, + { "path": "../../../vendor/schemastery" } + ] +} diff --git a/packages/skill/tool-skill/README.md b/packages/skill/tool-skill/README.md new file mode 100644 index 0000000000..c55bc3693d --- /dev/null +++ b/packages/skill/tool-skill/README.md @@ -0,0 +1,21 @@ +# @deepseek-ai/dsh-tool-skill + +The model-facing skill catalog and `skill` tool. + +Requires `ctx.tools` and `ctx.skills` (`inject: ['tools', 'skills']`). + +## Session-prefix catalog + +The plugin contributes one user-role `<system-reminder>` catalog through `agent/session-prefix`. It resolves skills for the calling session's cwd, forwards the prefix abort signal to discovery, and lists only sorted `name` and `description` entries; skill bodies, paths, sources, providers, and `whenToUse` hints remain outside the catalog. The catalog is omitted when no model-invocable skills are available. + +`catalogDescriptionMaxLength` controls normalized, XML-escaped catalog descriptions. Its default is `500` and values must be integers of at least `3`, which reserves room for a truncation ellipsis. The [session-prefix RFC](../../../docs/rfc/implemented/feature/2026-07-07-session-prefix.md) defines the request-only, header-logged lifecycle of this message. + +## Tool: `skill` + +| Arg | Type | Notes | +|---|---|---| +| `name` | string (required) | Exact kebab-case skill name from the available skills listing. | + +Execution uses the calling agent's `session.header.cwd` so workspace-sensitive providers can resolve the right winning skill. A successful call returns one text tool result with `<skill_content name="...">`, containing `<skill_resources>` followed by `<skill_instructions>`. Resource guidance resolves paths or URLs explicitly referenced by the loaded instructions against `resourceBase`; referenced scripts, references, and assets load only when needed, and the tool does not enumerate a skill directory. Local filesystem skills provide a base directory, while remote or embedded providers can provide a URL or opaque provider-managed guidance. A name that cannot be resolved reports that the skill is unknown or no longer available; invalid names and skills marked `disableModelInvocation: true` retain distinct `isError` results. + +The tool does not call `agent.inject()` in v1. Its result is already recorded as the tool result and becomes available to the next model step without duplicating the content as synthetic context. diff --git a/packages/skill/tool-skill/package.json b/packages/skill/tool-skill/package.json new file mode 100644 index 0000000000..f0d97eb3d8 --- /dev/null +++ b/packages/skill/tool-skill/package.json @@ -0,0 +1,42 @@ +{ + "name": "@deepseek-ai/dsh-tool-skill", + "description": "Model-facing skill loading tool for the DeepSeek Harness", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-skill": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-skill": "workspace:^", + "@deepseek-ai/dsh-skill-local": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/skill/tool-skill/src/index.ts b/packages/skill/tool-skill/src/index.ts new file mode 100644 index 0000000000..dc3232a13f --- /dev/null +++ b/packages/skill/tool-skill/src/index.ts @@ -0,0 +1,152 @@ +/** + * Session-prefix skill catalog and model-facing `skill` loader tool. + * + * @module @deepseek-ai/dsh-tool-skill + */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import { defineTool } from '@deepseek-ai/dsh-tools' +import { assertNever, type Message } from '@deepseek-ai/dsh-llm' +import { isSkillName, type SkillDefinition, type SkillSummary } from '@deepseek-ai/dsh-skill' + +export const name = 'tool-skill' +export const inject = ['tools', 'skills'] + +const DEFAULT_CATALOG_DESCRIPTION_MAX_LENGTH = 500 + +/** Model-facing skill catalog configuration. */ +export interface Config { + /** Maximum normalized description length rendered in the session catalog; minimum 3. */ + catalogDescriptionMaxLength?: number +} + +/** Validate and default the model-facing skill catalog configuration. */ +export const Config: z<Config> = z.object({ + catalogDescriptionMaxLength: z.number().default(DEFAULT_CATALOG_DESCRIPTION_MAX_LENGTH), +}) + +/** Register the session-prefix skill catalog and the model-facing skill loader. */ +export function apply(ctx: Context, config: Config = {}): void { + const catalogDescriptionMaxLength = config.catalogDescriptionMaxLength ?? DEFAULT_CATALOG_DESCRIPTION_MAX_LENGTH + assertPositiveInteger('catalogDescriptionMaxLength', catalogDescriptionMaxLength, 3) + + ctx.on('agent/session-prefix', async (agent, _prefix, signal, next): Promise<Message[]> => { + const skills = await ctx.skills.list({ cwd: agent.session.header.cwd, signal }) + const rest = await next() + if (skills.length === 0) return rest + return [renderCatalogMessage(skills, catalogDescriptionMaxLength), ...rest] + }) + + const skillTool = defineTool({ + name: 'skill', + description: 'Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill.', + parameters: { + name: { type: 'string', required: true, description: 'The exact skill name from the available skills list.' }, + }, + async execute(args, exec) { + if (!isSkillName(args.name)) { + throw new Error(`invalid skill name "${args.name}"`) + } + const skill = await ctx.skills.get(args.name, { cwd: exec.agent?.session.header.cwd, signal: exec.signal }) + if (!skill) { + throw new Error(`skill "${args.name}" is unknown or no longer available`) + } + if (skill.disableModelInvocation === true) { + throw new Error(`skill "${args.name}" is not available for model invocation`) + } + return [{ type: 'text', text: renderSkillContent(skill) }] + }, + presentCall(args) { + return { card: 'generic', title: `Load skill ${args.name}`, kind: 'read', rawInput: args.name } + }, + }) + ctx.tools.register(skillTool) +} + +function renderSkillContent(skill: SkillDefinition): string { + const resourceHint = renderResourceHint(skill) + return [ + `<skill_content name="${escapeAttr(skill.name)}">`, + '<skill_resources>', + ...resourceHint, + '</skill_resources>', + '', + '<skill_instructions>', + skill.content, + '</skill_instructions>', + '</skill_content>', + ].join('\n') +} + +function renderResourceHint(skill: SkillDefinition): string[] { + const base = skill.resourceBase + if (base === undefined) { + return [ + `Resources for this skill are managed by provider "${escapeText(skill.provider)}".`, + 'Load referenced resources only as needed.', + ] + } + switch (base.kind) { + case 'directory': + return [ + `Base directory for this skill: ${escapeText(base.path)}`, + 'Resolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.', + ] + case 'url': + return [ + `Base URL for this skill: ${escapeText(base.url)}`, + 'Resolve relative URLs mentioned by this skill against the base URL before using them. Load referenced resources only as needed.', + ] + case 'opaque': + return [ + `Resources for this skill: ${escapeText(base.description)}`, + 'Load referenced resources only as needed.', + ] + default: + return assertNever(base, 'SkillResourceBase.kind') + } +} + +function renderCatalogMessage(skills: SkillSummary[], descriptionMaxLength: number): Message { + const entries = skills.map(skill => `- \`${skill.name}\`: ${catalogDescription(skill.description, descriptionMaxLength)}`) + return { + role: 'user', + content: [{ + type: 'text', + text: [ + '<system-reminder>', + 'A skill is a reusable set of task-specific instructions. The following skills are available in this session:', + '', + '<available_skills>', + ...entries, + '</available_skills>', + '', + "If the user names a skill, or the task clearly matches a skill's description, call the `skill` tool with the exact skill name before taking task actions. Load all applicable skills, then follow their full instructions. This catalog contains summaries only; do not infer or follow a skill's instructions until it has been loaded.", + '</system-reminder>', + ].join('\n'), + }], + } +} + +function catalogDescription(value: string, maxLength: number): string { + const normalized = value.replaceAll(/\s+/g, ' ').trim() + const truncated = normalized.length <= maxLength + ? normalized + : `${normalized.slice(0, maxLength - 3)}...` + return escapeText(truncated) +} + +function assertPositiveInteger(name: string, value: number, minimum = 1): void { + if (!Number.isInteger(value) || value < minimum) { + throw new Error(`tool-skill: ${name} must be an integer greater than or equal to ${minimum}`) + } +} + +function escapeAttr(value: string): string { + return value.replaceAll('&', '&').replaceAll('"', '"').replaceAll('<', '<') +} + +function escapeText(value: string): string { + return value.replaceAll('&', '&').replaceAll('<', '<').replaceAll('>', '>') +} diff --git a/packages/skill/tool-skill/tests/tool-skill.spec.ts b/packages/skill/tool-skill/tests/tool-skill.spec.ts new file mode 100644 index 0000000000..c7b843258c --- /dev/null +++ b/packages/skill/tool-skill/tests/tool-skill.spec.ts @@ -0,0 +1,275 @@ +import { describe, expect, it } from 'vitest' +import { mkdir, writeFile } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' +import { Context } from 'cordis' +import { CallId, type Message } from '@deepseek-ai/dsh-llm' +import SystemPrompt, { renderPrompt } from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import SkillService from '@deepseek-ai/dsh-skill' +import * as SkillLocal from '@deepseek-ai/dsh-skill-local' +import * as toolSkill from '@deepseek-ai/dsh-tool-skill' + +async function tempDir(name: string): Promise<string> { + return await import('node:fs/promises').then(fs => fs.mkdtemp(join(tmpdir(), `dsh-${name}-`))) +} + +async function writeSkill(root: string, name: string, description: string, body: string): Promise<void> { + const dir = join(root, name) + await mkdir(dir, { recursive: true }) + await writeFile(join(dir, 'SKILL.md'), `---\nname: ${name}\ndescription: ${description}\n---\n\n${body}\n`) +} + +async function setup(home: string, config: toolSkill.Config = {}): Promise<Context> { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + await ctx.plugin(toolSkill, config) + return ctx +} + +function agentForCwd(cwd: string): never { + return { session: { header: { cwd } } } as never +} + +async function composePrefix(ctx: Context, cwd: string, signal = new AbortController().signal): Promise<Message[]> { + const empty: Message[] = [] + return await ctx.waterfall( + 'agent/session-prefix', agentForCwd(cwd), empty, signal, + () => Promise.resolve(empty), + ) +} + +describe('dsh-tool-skill', () => { + it('registers the skill tool schema and removes it on dispose', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + const home = await tempDir('tool-schema') + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + ctx.skills.register({ name: 'lifecycle-skill', description: 'Lifecycle', source: 'runtime', content: 'body' }) + + const fiber = await ctx.plugin(toolSkill) + expect(ctx.tools.schemas().map(tool => tool.name)).toEqual(['skill']) + expect(await composePrefix(ctx, '/workspace')).toHaveLength(1) + expect(ctx.tools.get('skill')?.presentCall?.({ name: 'project-skill' })).toEqual({ + card: 'generic', + title: 'Load skill project-skill', + kind: 'read', + rawInput: 'project-skill', + }) + await fiber.dispose() + expect(ctx.tools.schemas()).toEqual([]) + expect(await composePrefix(ctx, '/workspace')).toEqual([]) + + toolSkill.apply(ctx) + expect(ctx.tools.schemas().map(tool => tool.name)).toEqual(['skill']) + }) + + it('forwards the session-prefix abort signal to skill discovery', async () => { + const home = await tempDir('tool-prefix-signal') + const ctx = await setup(home) + let seenSignal: AbortSignal | undefined + ctx.skills.registerProvider({ + name: 'signal-probe', + async list(options) { + seenSignal = options.signal + return [] + }, + async get() { + return undefined + }, + }) + const controller = new AbortController() + + await composePrefix(ctx, '/workspace', controller.signal) + + expect(seenSignal).toBe(controller.signal) + }) + + it('contributes a stable name-and-description catalog through the session prefix', async () => { + const home = await tempDir('tool-catalog') + const ctx = await setup(home, { catalogDescriptionMaxLength: 50 }) + ctx.skills.register({ + name: 'z-skill', + description: 'Long description '.repeat(5), + whenToUse: 'Never render this routing hint.', + source: 'secret-source', + provider: 'runtime', + resourceBase: { kind: 'directory', path: '/secret/path' }, + content: 'Secret body.', + }) + ctx.skills.register({ + name: 'a-skill', + description: 'Use {{placeholder}} <safely> & carefully.', + source: 'runtime', + provider: 'runtime', + content: 'A body.', + }) + ctx.on('agent/session-prefix', async (_agent, _prefix, _signal, next): Promise<Message[]> => [ + { role: 'user', content: [{ type: 'text', text: 'later contribution' }] }, + ...await next(), + ]) + + const prefix = await composePrefix(ctx, '/workspace') + + expect(prefix).toEqual([ + { + role: 'user', + content: [{ + type: 'text', + text: [ + '<system-reminder>', + 'A skill is a reusable set of task-specific instructions. The following skills are available in this session:', + '', + '<available_skills>', + '- `a-skill`: Use {{placeholder}} <safely> & carefully.', + '- `z-skill`: Long description Long description Long descript...', + '</available_skills>', + '', + "If the user names a skill, or the task clearly matches a skill's description, call the `skill` tool with the exact skill name before taking task actions. Load all applicable skills, then follow their full instructions. This catalog contains summaries only; do not infer or follow a skill's instructions until it has been loaded.", + '</system-reminder>', + ].join('\n'), + }], + }, + { role: 'user', content: [{ type: 'text', text: 'later contribution' }] }, + ]) + const rendered = JSON.stringify(prefix[0]) + expect(rendered).not.toContain('whenToUse') + expect(rendered).not.toContain('secret-source') + expect(rendered).not.toContain('/secret/path') + expect(rendered).not.toContain('Secret body') + expect(renderPrompt(await ctx.systemPrompt.assemble({ agent: agentForCwd('/workspace') }))).not.toContain('<available_skills>') + }) + + it('does not contribute a session-prefix message when no skills are available', async () => { + const home = await tempDir('tool-empty-catalog') + const ctx = await setup(home) + + expect(await composePrefix(ctx, '/workspace')).toEqual([]) + }) + + it('validates the catalog description cap', async () => { + const home = await tempDir('tool-invalid-catalog-cap') + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }) + + await expect(ctx.plugin(toolSkill, { catalogDescriptionMaxLength: 2 })).rejects.toThrow('greater than or equal to 3') + }) + + it('loads a skill for the calling agent cwd', async () => { + const home = await tempDir('tool-load') + const project = await tempDir('tool-project') + await mkdir(join(project, '.git'), { recursive: true }) + await writeSkill(join(project, '.dsh/skills'), 'project-skill', 'Project skill', 'Project instructions.') + const ctx = await setup(home) + + const result = await ctx.tools.execute({ + callId: CallId('c1'), + name: 'skill', + arguments: { name: 'project-skill' }, + agent: { session: { header: { cwd: project } } } as never, + }) + + expect(result.isError).toBe(false) + const block = result.content[0] + expect(block?.type).toBe('text') + if (block?.type !== 'text') throw new Error('expected text skill result') + expect(block.text).toBe([ + '<skill_content name="project-skill">', + '<skill_resources>', + `Base directory for this skill: ${join(project, '.dsh/skills/project-skill')}`, + 'Resolve relative paths mentioned by this skill against the base directory before using them. Load referenced resources only as needed.', + '</skill_resources>', + '', + '<skill_instructions>', + 'Project instructions.', + '</skill_instructions>', + '</skill_content>', + ].join('\n')) + expect(block.text).not.toContain('# Skill:') + }) + + it('renders provider-managed resource hints for non-local skills', async () => { + const home = await tempDir('tool-resource-hints') + const ctx = await setup(home) + ctx.skills.register({ + name: 'opaque-skill', + description: 'Opaque skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'opaque', description: 'runtime memory' }, + content: 'Opaque instructions.', + }) + ctx.skills.register({ + name: 'url-skill', + description: 'URL skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'url', url: 'https://skills.example.test/url-skill' }, + content: 'URL instructions.', + }) + ctx.skills.register({ + name: 'provider-skill', + description: 'Provider skill', + source: 'runtime', + provider: 'runtime', + content: 'Provider instructions.', + }) + + const opaque = await ctx.tools.execute({ callId: CallId('c2'), name: 'skill', arguments: { name: 'opaque-skill' } }) + const url = await ctx.tools.execute({ callId: CallId('c3'), name: 'skill', arguments: { name: 'url-skill' } }) + const provider = await ctx.tools.execute({ callId: CallId('c4'), name: 'skill', arguments: { name: 'provider-skill' } }) + + if (opaque.content[0]?.type !== 'text' || url.content[0]?.type !== 'text' || provider.content[0]?.type !== 'text') { + throw new Error('expected text tool results') + } + expect(opaque.content[0].text).toContain('<skill_resources>\nResources for this skill: runtime memory\nLoad referenced resources only as needed.\n</skill_resources>') + expect(url.content[0].text).toContain('<skill_resources>\nBase URL for this skill: https://skills.example.test/url-skill\nResolve relative URLs mentioned by this skill against the base URL before using them. Load referenced resources only as needed.\n</skill_resources>') + expect(provider.content[0].text).toContain('<skill_resources>\nResources for this skill are managed by provider "runtime".\nLoad referenced resources only as needed.\n</skill_resources>') + }) + + it('fails loud on an unknown resource base kind', async () => { + const home = await tempDir('tool-resource-assert-never') + const ctx = await setup(home) + ctx.skills.register({ + name: 'rogue-resource-skill', + description: 'Rogue resource skill', + source: 'runtime', + provider: 'runtime', + resourceBase: { kind: 'future' } as never, + content: 'Rogue instructions.', + }) + + const result = await ctx.tools.execute({ callId: CallId('c5'), name: 'skill', arguments: { name: 'rogue-resource-skill' } }) + + expect(result.isError).toBe(true) + const block = result.content[0] + if (block?.type !== 'text') throw new Error('expected text tool result') + expect(block.text).toContain('unreachable variant') + }) + + it('returns isError for unknown, invalid, and model-disabled skills', async () => { + const home = await tempDir('tool-errors') + await writeSkill(join(home, '.dsh/skills'), 'hidden-skill', 'Hidden skill', 'Hidden instructions.') + await writeFile(join(home, '.dsh/skills/hidden-skill/SKILL.md'), '---\nname: hidden-skill\ndescription: Hidden skill\ndisableModelInvocation: true\n---\n\nHidden instructions.\n') + const ctx = await setup(home) + + const unknown = await ctx.tools.execute({ callId: CallId('c1'), name: 'skill', arguments: { name: 'missing' } }) + const invalid = await ctx.tools.execute({ callId: CallId('c2'), name: 'skill', arguments: { name: 'Bad_Name' } }) + const disabled = await ctx.tools.execute({ callId: CallId('c3'), name: 'skill', arguments: { name: 'hidden-skill' } }) + + expect(unknown.isError).toBe(true) + expect(invalid.isError).toBe(true) + expect(disabled.isError).toBe(true) + const unknownBlock = unknown.content[0] + if (unknownBlock?.type !== 'text') throw new Error('expected text tool result') + expect(unknownBlock.text).toContain('skill "missing" is unknown or no longer available') + }) +}) diff --git a/packages/skill/tool-skill/tsconfig.json b/packages/skill/tool-skill/tsconfig.json new file mode 100644 index 0000000000..039fc641c0 --- /dev/null +++ b/packages/skill/tool-skill/tsconfig.json @@ -0,0 +1,17 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": ["src"], + "references": [ + { "path": "../../../vendor/cosmokit" }, + { "path": "../../../vendor/cordis" }, + { "path": "../../../vendor/schemastery" }, + { "path": "../../llm/llm" }, + { "path": "../../core/agent" }, + { "path": "../skill" }, + { "path": "../../core/tools" } + ] +} diff --git a/packages/subagent/README.md b/packages/subagent/README.md index 6da8ee42f5..87930167e9 100644 --- a/packages/subagent/README.md +++ b/packages/subagent/README.md @@ -8,9 +8,10 @@ The subagent seam: an agent delegating work to a child agent. Like the [bash](.. | `subagent-inprocess/` | Shared in-process run driver (pure lib; registers nothing) | — | | `subagent-spawn/` | In-process backend: a fresh child agent | (registers on `ctx.subagents`) | | `subagent-fork/` | In-process backend: a child seeded with the parent's completed-turn prefix | (registers on `ctx.subagents`) | +| `subagent-subprocess/` | Shared out-of-process machinery: env scrub, dispose ladder, isolated config dirs (pure lib; registers nothing) | — | | `subagent-acp/` | Out-of-process backend: a child agent in a spawned subprocess, driven over ACP | (registers on `ctx.subagents`) | | `tool-subagent/` | Model-facing `subagent` delegation tool over `ctx.subagents` | (registers on `ctx.tools`) | -The interface lives at `subagent/subagent/`. The in-process `subagent-spawn` / `subagent-fork` backends share the `subagent-inprocess` driver (a pure library — both depend on it, neither on the other), and the out-of-process `subagent-acp` backend ships alongside them here; the test-only `dsh-subagent-mock` (in [support](../support/README.md)) is separate. All **product** packages except the mock. +The interface lives at `subagent/subagent/`. The in-process `subagent-spawn` / `subagent-fork` backends share the `subagent-inprocess` driver (a pure library — both depend on it, neither on the other), the out-of-process `subagent-acp` backend builds on the `subagent-subprocess` library (the credential env scrub, the dispose ladder, isolated config dirs) and ships alongside them here; the test-only `dsh-subagent-mock` (in [support](../support/README.md)) is separate. All **product** packages except the mock. The proposal and design rationale: [docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md](../../docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md). diff --git a/packages/subagent/subagent-acp/README.md b/packages/subagent/subagent-acp/README.md index 03990a7369..7fb087dcdc 100644 --- a/packages/subagent/subagent-acp/README.md +++ b/packages/subagent/subagent-acp/README.md @@ -25,6 +25,8 @@ Unlike the in-process backends, the child does NOT share this cordis context — | `cwd` | string | parent cwd | Working directory for the child process and its ACP session. | | `permission` | `'allow' \| 'reject'` | `reject` | How to auto-answer the child's `session/request_permission` prompts. `reject` declines every prompt (answer `cancelled`); `allow` approves via the first allow-shaped option. The first cut surfaces no prompt to a human. | | `env` | Record<string,string> | `{}` | Extra env vars for the child (e.g. its own `DEEPSEEK_API_KEY`). Forwarded on top of a credential-scrubbed copy of the parent env, so an explicit key reaches the child while ambient secrets do not leak implicitly. | +| `disposeEofGraceMs` | number | `6000` | Dispose ladder tier 1: how long the child gets to quiesce on its own after stdin EOF (flush persistence, tear down its nested subprocesses) before SIGTERM. | +| `disposeGraceMs` | number | `3000` | Dispose ladder tier 2: grace between SIGTERM and the SIGKILL escalation. | ```yaml - id: subagent-acp @@ -55,7 +57,7 @@ A spawn/transport/RPC failure resolves `error` (or `aborted` if a cancel was req ## Environment scrub -Credential-shaped ambient vars (`/KEY|SECRET|TOKEN/i`) are NOT forwarded to the child by default — the parent harness's own secrets must not leak into a spawned process implicitly. The child's OWN credentials are supplied explicitly via `config.env`, layered AFTER the scrub, so an intended `DEEPSEEK_API_KEY` survives while an incidental `AWS_SECRET_ACCESS_KEY` does not. +The child env is built by [`buildChildEnv` from `@deepseek-ai/dsh-subagent-subprocess`](../subagent-subprocess/README.md) — the ambient env minus credential-shaped vars, with `config.env` layered on top after the scrub; the pattern and full semantics live there. For this backend that means the parent harness's own secrets never leak into the spawned agent implicitly, while the child's OWN `DEEPSEEK_API_KEY` is supplied deliberately via `config.env` and survives. ## Testing diff --git a/packages/subagent/subagent-acp/package.json b/packages/subagent/subagent-acp/package.json index 2c55051da9..e73d861a79 100644 --- a/packages/subagent/subagent-acp/package.json +++ b/packages/subagent/subagent-acp/package.json @@ -25,6 +25,7 @@ "@deepseek-ai/dsh-agent": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-subagent": "^0.0.1", + "@deepseek-ai/dsh-subagent-subprocess": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "dependencies": { @@ -35,6 +36,7 @@ "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-subagent": "workspace:^", + "@deepseek-ai/dsh-subagent-subprocess": "workspace:^", "@cordisjs/plugin-loader": "^1.0.0-rc.4", "cordis": "^4.0.0-rc.6" } diff --git a/packages/subagent/subagent-acp/src/index.ts b/packages/subagent/subagent-acp/src/index.ts index 037d32889e..b2ddd9ab2d 100644 --- a/packages/subagent/subagent-acp/src/index.ts +++ b/packages/subagent/subagent-acp/src/index.ts @@ -21,7 +21,7 @@ import type { Context } from 'cordis' import z from 'schemastery' import type { SubagentCapabilities, SubagentProvider, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' -import { type AcpRunSpec, type PermissionPolicy, startAcpRun } from './run.ts' +import { type AcpRunSpec, DEFAULT_DISPOSE_EOF_GRACE_MS, DEFAULT_DISPOSE_GRACE_MS, type PermissionPolicy, startAcpRun } from './run.ts' export const name = 'subagent-acp' export const inject = ['subagents'] @@ -52,6 +52,14 @@ export interface Config { * ambient secrets do not leak implicitly. */ env: Record<string, string> + /** + * Grace period (ms) for the child's EOF-driven quiesce on dispose — its + * window to flush persistence and tear down its own nested subprocesses + * before the parent escalates to a signal. + */ + disposeEofGraceMs?: number + /** Grace period (ms) between `SIGTERM` and the `SIGKILL` escalation on dispose. */ + disposeGraceMs?: number } export const Config: z<Config> = z.object({ @@ -61,8 +69,20 @@ export const Config: z<Config> = z.object({ cwd: z.string(), permission: z.union(['allow', 'reject'] as const).default('reject'), env: z.dict(z.string()).default({}), + disposeEofGraceMs: z.number().default(DEFAULT_DISPOSE_EOF_GRACE_MS), + disposeGraceMs: z.number().default(DEFAULT_DISPOSE_GRACE_MS), }) +/** A dispose grace must be a positive finite number (it bounds the teardown wait). */ +function assertPositiveFinite(name: string, value: number): void { + if (!Number.isFinite(value) || value <= 0) { + throw new Error(`subagent-acp: ${name} must be a positive finite number`) + } +} + +/** The shape after schemastery applied the defaults (cwd has none). */ +type ResolvedConfig = Required<Omit<Config, 'cwd'>> & Pick<Config, 'cwd'> + /** * The ACP provider. Advertises NO start-time capabilities: an out-of-process * child cannot honor `outputSchema`/`maxDepth`/`toolFilter` (the service rejects @@ -70,8 +90,10 @@ export const Config: z<Config> = z.object({ */ class AcpProvider implements SubagentProvider { readonly capabilities: SubagentCapabilities = { outputSchema: false, depthLimit: false, toolFilter: false } + // Context contract: an out-of-process ACP child starts fresh — no parent conversation crosses the process boundary. + readonly inheritsParentContext = false - constructor(readonly name: string, private readonly ctx: Context, private readonly config: Config) {} + constructor(readonly name: string, private readonly ctx: Context, private readonly config: ResolvedConfig) {} start(request: SubagentStartRequest) { const spec: AcpRunSpec = { @@ -80,6 +102,8 @@ class AcpProvider implements SubagentProvider { cwd: this.config.cwd ?? process.cwd(), permission: this.config.permission, env: this.config.env, + disposeEofGraceMs: this.config.disposeEofGraceMs, + disposeGraceMs: this.config.disposeGraceMs, onError: (error, stopReason) => { // The seam forbids `result` rejecting, so a child-level failure is // flattened to a stop reason — preserve it here rather than losing it. @@ -91,5 +115,9 @@ class AcpProvider implements SubagentProvider { } export function apply(ctx: Context, config: Config): void { - ctx.subagents.registerProvider(new AcpProvider(config.providerName, ctx, config)) + // schemastery (Config) has already filled every defaulted field. + const resolved = config as ResolvedConfig + assertPositiveFinite('disposeEofGraceMs', resolved.disposeEofGraceMs) + assertPositiveFinite('disposeGraceMs', resolved.disposeGraceMs) + ctx.subagents.registerProvider(new AcpProvider(resolved.providerName, ctx, resolved)) } diff --git a/packages/subagent/subagent-acp/src/run.ts b/packages/subagent/subagent-acp/src/run.ts index 06f7a9ece8..9d5b17cb9a 100644 --- a/packages/subagent/subagent-acp/src/run.ts +++ b/packages/subagent/subagent-acp/src/run.ts @@ -22,7 +22,7 @@ * @module @deepseek-ai/dsh-subagent-acp/run */ -import { spawn, type ChildProcess } from 'node:child_process' +import { spawn } from 'node:child_process' import { randomUUID } from 'node:crypto' import { Readable, Writable } from 'node:stream' import { @@ -40,6 +40,7 @@ import { import { AgentId } from '@deepseek-ai/dsh-agent' import type { ContentBlock } from '@deepseek-ai/dsh-llm' import type { SubagentResult, SubagentRun, SubagentStartRequest, SubagentStopReason } from '@deepseek-ai/dsh-subagent' +import { buildChildEnv, disposeChildProcess, spawnFailure } from '@deepseek-ai/dsh-subagent-subprocess' /** * How the client answers a child's `session/request_permission`. The first cut @@ -73,63 +74,50 @@ export interface AcpRunSpec { /** * Grace period (ms) for the child's EOF-driven quiesce in * {@link SubagentRun.dispose} — the window to flush persistence and tear down - * its OWN nested subprocesses before the parent escalates to a signal. Defaults - * to {@link DEFAULT_DISPOSE_EOF_GRACE_MS}; a test injects a small value. + * its OWN nested subprocesses before the parent escalates to a signal. The + * plugin fills this from its `disposeEofGraceMs` config. */ - disposeEofGraceMs?: number + disposeEofGraceMs: number /** * Grace period (ms) between `SIGTERM` and the `SIGKILL` escalation in - * {@link SubagentRun.dispose}. Defaults to {@link DEFAULT_DISPOSE_GRACE_MS}; - * a test injects a small value to exercise the escalation without a long wait. + * {@link SubagentRun.dispose}. The plugin fills this from its + * `disposeGraceMs` config. */ - disposeGraceMs?: number + disposeGraceMs: number /** * Sink for a child-level failure that the run flattened into a stop reason * (the seam contract forbids `result` rejecting). The driver calls this with * the original error and the chosen stop reason so the fault is preserved * rather than silently lost; the provider wires it to `ctx.logger.warn`. + * A throw from the sink itself is contained — it cannot reject `result`. * Optional — omitted in a unit test that asserts the stop reason directly. */ onError?: (error: Error, stopReason: SubagentStopReason) => void } /** - * Default grace for the child's EOF-driven quiesce on dispose — the window for it - * to flush persistence and tear down its OWN nested subprocesses (which may run - * their own `SIGTERM`→`SIGKILL` escalation) before the parent escalates to a - * signal. Deliberately LARGER than {@link DEFAULT_DISPOSE_GRACE_MS}: a cooperative - * child whose teardown is itself waiting on a signal-trapping grandchild (e.g. a - * bash subprocess in its own ~3s SIGTERM→SIGKILL grace) plus a final flush needs - * MORE than a single signal-grace of headroom, or the parent's SIGTERM cuts it off - * exactly as it reaches its own SIGKILL+flush. The child is an arbitrary ACP agent, - * so this is a standalone generous default, NOT derived from any child's internals. + * Default grace for the child's EOF-driven quiesce on dispose (the + * `disposeEofGraceMs` config) — the window for it to flush persistence and tear + * down its OWN nested subprocesses (which may run their own `SIGTERM`→`SIGKILL` + * escalation) before the parent escalates to a signal. Deliberately LARGER than + * {@link DEFAULT_DISPOSE_GRACE_MS}: a cooperative child whose teardown is itself + * waiting on a signal-trapping grandchild (e.g. a bash subprocess in its own ~3s + * SIGTERM→SIGKILL grace) plus a final flush needs MORE than a single + * signal-grace of headroom, or the parent's SIGTERM cuts it off exactly as it + * reaches its own SIGKILL+flush. The child is an arbitrary ACP agent, so this is + * a standalone generous default, NOT derived from any child's internals. */ export const DEFAULT_DISPOSE_EOF_GRACE_MS = 6_000 -/** Default grace between SIGTERM and SIGKILL on dispose (mirrors the bash executor). */ +/** Default grace between SIGTERM and SIGKILL on dispose (the `disposeGraceMs` config; mirrors the bash executor). */ export const DEFAULT_DISPOSE_GRACE_MS = 3_000 /** - * Credential-shaped ambient env vars are NOT forwarded to the child by default - * (the parent harness's own `DEEPSEEK_API_KEY`/secrets must not leak into a - * spawned process implicitly). Same pattern as the bash executor. The child - * agent needs its OWN credentials to reach a model — those are supplied - * explicitly via {@link AcpRunSpec.env}, which is layered on top AFTER the - * scrub, so an intended `DEEPSEEK_API_KEY` survives while an incidental - * `AWS_SECRET_ACCESS_KEY` does not. + * Map an ACP {@link StopReason} to a harness {@link SubagentStopReason}. + * @param reason - the terminal reason from the child's `session/prompt` response. + * @returns the harness equivalent; `max_turn_requests` and any unknown future + * variant map to `error`, so an unclean stop is never reported as `completed`. */ -export const SENSITIVE_ENV_PATTERN = /KEY|SECRET|TOKEN/i - -/** The ambient env minus credential-shaped vars, plus the spec's explicit env. */ -export function buildChildEnv(extra: Record<string, string>): NodeJS.ProcessEnv { - const env: NodeJS.ProcessEnv = {} - for (const [key, value] of Object.entries(process.env)) { - if (!SENSITIVE_ENV_PATTERN.test(key)) env[key] = value - } - return { ...env, ...extra } -} - -/** Map an ACP {@link StopReason} to a harness {@link SubagentStopReason}. */ export function acpStopReason(reason: StopReason): SubagentStopReason { switch (reason) { case 'end_turn': @@ -154,12 +142,20 @@ export function acpStopReason(reason: StopReason): SubagentStopReason { } } -/** Collect the text of an ACP content block (non-text blocks contribute nothing). */ +/** + * Collect the text of an ACP content block (non-text blocks contribute nothing). + * @param content - the content block off a streamed `agent_message_chunk`. + * @returns the block's text, or `''` for a non-text block. + */ export function acpContentText(content: AcpContentBlock): string { return content.type === 'text' ? content.text : '' } -/** Translate the harness prompt blocks into ACP prompt blocks (text only). */ +/** + * Translate the harness prompt blocks into ACP prompt blocks (text only). + * @param prompt - the harness prompt; non-text blocks are dropped. + * @returns the ACP text blocks, in order. + */ export function toAcpPrompt(prompt: ContentBlock[]): AcpContentBlock[] { const blocks: AcpContentBlock[] = [] for (const block of prompt) { @@ -177,24 +173,6 @@ function toError(value: unknown): Error { return value instanceof Error ? value : new Error(String(value)) } -/** Resolve once the child process exits (any code/signal); immediate if gone. */ -function waitForExit(child: ChildProcess): Promise<void> { - // Already-exited fast path: dispose guards on exitCode before calling, so in - // tests the child is always still alive here. - /* v8 ignore next */ - if (child.exitCode !== null || child.signalCode !== null) return Promise.resolve() - return new Promise<void>(resolve => child.once('exit', () => { resolve() })) -} - -/** Resolve `true` if the child exits within `ms`, `false` on timeout. */ -function exitsWithin(child: ChildProcess, ms: number): Promise<boolean> { - return Promise.race([ - waitForExit(child).then(() => true), - // `.unref()` so a pending grace timer never keeps the parent's loop alive. - new Promise<boolean>(resolve => setTimeout(() => { resolve(false) }, ms).unref()), - ]) -} - /** * Start an out-of-process ACP child for `request` and return a {@link SubagentRun}. * @@ -205,6 +183,11 @@ function exitsWithin(child: ChildProcess, ms: number): Promise<boolean> { * failure (a spawn/transport/RPC error resolves with `stopReason: 'error'`), per * the seam contract. `cancel()` sends `session/cancel`; `dispose()` kills the * subprocess and awaits its exit (quiescent teardown). + * @param request - the start request; the driver consumes `prompt` and `signal` + * (an already-aborted signal yields an inert `aborted` run with no spawn). + * @param spec - the resolved spawn spec: command/args/cwd, env, permission + * policy, dispose graces, and the optional error sink. + * @returns the live run handle for the child subprocess. */ export function startAcpRun(request: SubagentStartRequest, spec: AcpRunSpec): SubagentRun { const id = AgentId(randomUUID()) @@ -230,13 +213,11 @@ export function startAcpRun(request: SubagentStartRequest, spec: AcpRunSpec): Su env: buildChildEnv(spec.env), stdio: ['pipe', 'pipe', 'inherit'], }) - // A spawn-level failure (e.g. ENOENT for a bad command) is emitted as an - // `error` event, NOT a thrown exception — without a listener Node treats it as - // an unhandled error and crashes the parent. Capture it into a promise the - // result path races, so a bad command settles `error` like any child failure. - const spawnFailed = new Promise<Error>((resolve) => { - child.once('error', (err) => { resolve(err) }) - }) + // Same-tick capture (the library's contract): a spawn-level failure (e.g. + // ENOENT for a bad command) is an `error` EVENT that would crash the parent + // unheard; the result path races this promise, so a bad command settles + // `error` like any child failure. + const spawnFailed = spawnFailure(child) // Accumulate the child's streamed assistant text — the SubagentResult output. const output: string[] = [] @@ -356,7 +337,13 @@ export function startAcpRun(request: SubagentStartRequest, spec: AcpRunSpec): Su // (initialize/newSession/prompt transport/RPC errors, or ENOENT), not a // local bug. Flatten to `error` and surface the original via onError so a // real fault is preserved rather than silently lost. - spec.onError?.(toError(error), 'error') + try { + spec.onError?.(toError(error), 'error') + } catch { + // Swallows only the caller-supplied sink's OWN throw: an unguarded + // sink exception would reject `result` and break the contract above. + // The child-level failure being reported still settles as `error`. + } return { output: collectOutput(), stopReason: 'error' } } })() @@ -369,33 +356,19 @@ export function startAcpRun(request: SubagentStartRequest, spec: AcpRunSpec): Su }, async dispose(): Promise<void> { request.signal?.removeEventListener('abort', onAbort) - // Reach quiescence, not merely request it (dispose must AWAIT the child - // actually stopping). If the child is already gone, nothing to do. - if (child.exitCode !== null || child.signalCode !== null) return - const eofGraceMs = spec.disposeEofGraceMs ?? DEFAULT_DISPOSE_EOF_GRACE_MS - const graceMs = spec.disposeGraceMs ?? DEFAULT_DISPOSE_GRACE_MS - // 1. Graceful: end the ACP request stream (stdin EOF) and let the child - // quiesce ON ITS OWN. Our acp-agent has NO SIGTERM handler in a normal - // session — it tears down via the server bridge's connection-close path - // (conn.closed → per-agent dispose → final session/flush), driven by the - // stdin EOF, NOT by a signal. A prompt response can resolve from a - // turn/end BEFORE that post-turn flush lands, so the child still has - // durable work owed when dispose runs. Give the EOF-driven quiesce a real - // window — wider than a single signal-grace, since the child's own - // teardown may itself be awaiting a signal-trapping grandchild (a bash - // subprocess in its own SIGTERM→SIGKILL grace) plus a flush — and only - // escalate if it overruns. Sending SIGTERM in the same tick (or too soon) - // would default-terminate the child mid-flush, orphaning its nested work. - child.stdin.end() - if (await exitsWithin(child, eofGraceMs)) return - // 2. SIGTERM, then escalate to SIGKILL if it still does not exit within the - // grace period — a child that ignores EOF and traps SIGTERM must not - // wedge dispose forever (the seam requires bounded quiescence). - child.kill('SIGTERM') - if (await exitsWithin(child, graceMs)) return - // 3. Force-kill and await the (now-certain) exit. - child.kill('SIGKILL') - await waitForExit(child) + // Quiescent teardown via the shared ladder (stdin EOF → SIGTERM → + // SIGKILL, awaiting the actual exit). For THIS child the EOF tier is the + // one that matters: our acp-agent has NO SIGTERM handler in a normal + // session — it tears down via the server bridge's connection-close path + // (conn.closed → per-agent dispose → final session/flush), driven by the + // stdin EOF, NOT by a signal — and a prompt response can resolve from a + // turn/end BEFORE that post-turn flush lands, so the child still has + // durable work owed when dispose runs (hence the wide EOF grace; see + // DEFAULT_DISPOSE_EOF_GRACE_MS). + await disposeChildProcess(child, { + disposeEofGraceMs: spec.disposeEofGraceMs, + disposeGraceMs: spec.disposeGraceMs, + }) }, } } diff --git a/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts b/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts index 9819320ec5..4d8a586c63 100644 --- a/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts +++ b/packages/subagent/subagent-acp/tests/subagent-acp.spec.ts @@ -6,9 +6,10 @@ import { tmpdir } from 'node:os' import { join } from 'node:path' import { fileURLToPath } from 'node:url' import SubagentService from '@deepseek-ai/dsh-subagent' +import { buildChildEnv, SENSITIVE_ENV_PATTERN } from '@deepseek-ai/dsh-subagent-subprocess' import type { Agent } from '@deepseek-ai/dsh-agent' import * as acp from '../src/index.ts' -import { acpStopReason, acpContentText, buildChildEnv, SENSITIVE_ENV_PATTERN, startAcpRun, toAcpPrompt, type AcpRunSpec } from '../src/run.ts' +import { acpStopReason, acpContentText, DEFAULT_DISPOSE_EOF_GRACE_MS, DEFAULT_DISPOSE_GRACE_MS, startAcpRun, toAcpPrompt, type AcpRunSpec } from '../src/run.ts' /** * Keyless integration tests for the ACP subagent backend. Each spawns a REAL @@ -171,7 +172,7 @@ describe('dsh-subagent-acp', () => { const run = startAcpRun( { prompt: [{ type: 'text', text: 'p' }], parent: fakeParent, signal: controller.signal }, // `touch <sentinel>` — runs only if the process is actually spawned. - { command: 'touch', args: [sentinel], cwd: tmp, permission: 'reject', env: {} }, + { command: 'touch', args: [sentinel], cwd: tmp, permission: 'reject', env: {}, disposeEofGraceMs: DEFAULT_DISPOSE_EOF_GRACE_MS, disposeGraceMs: DEFAULT_DISPOSE_GRACE_MS }, ) const result = await run.result expect(result.stopReason).toBe('aborted') @@ -390,7 +391,7 @@ describe('dsh-subagent-acp', () => { // absent-sink branch). const run = startAcpRun( { prompt: [{ type: 'text', text: 'p' }], parent: fakeParent }, - { command: '/nonexistent/acp-agent-binary', args: [], cwd: process.cwd(), permission: 'reject', env: {} }, + { command: '/nonexistent/acp-agent-binary', args: [], cwd: process.cwd(), permission: 'reject', env: {}, disposeEofGraceMs: DEFAULT_DISPOSE_EOF_GRACE_MS, disposeGraceMs: DEFAULT_DISPOSE_GRACE_MS }, ) const result = await run.result // The seam contract: a child-level failure resolves error, never rejects. @@ -398,6 +399,47 @@ describe('dsh-subagent-acp', () => { await run.dispose() }) + it('plugin-config dispose graces reach the run (SIGKILL escalation through the provider)', async () => { + // Same trap scenario as the direct startAcpRun escalation test, but the + // graces arrive via the PLUGIN CONFIG through the registered provider — so a + // regression that stops threading config into AcpRunSpec (falling back to + // the 6s/3s defaults) blows past the 4000ms bound and fails loud. + const tmp = mkdtempSync(join(tmpdir(), 'acp-cfg-trap-')) + const ready = join(tmp, 'trap-armed') + try { + const ctx = new Context() + await ctx.plugin(SubagentService) + await ctx.plugin(acp, { + providerName: 'acp', + command: process.execPath, + args: ['--import', tsxLoader, mockServer], + permission: 'reject', + env: { MOCK_TRAP_SIGTERM: '1', MOCK_TEXT: 'x', MOCK_READY_FILE: ready, TSX_TSCONFIG_PATH: repoTsconfig }, + disposeEofGraceMs: 150, + disposeGraceMs: 150, + }) + const run = ctx.subagents.start('acp', { prompt: [{ type: 'text', text: 'p' }], parent: fakeParent }) + await waitForFile(ready) + await expect(Promise.race([ + run.dispose(), + new Promise((_r, reject) => { setTimeout(() => { reject(new Error('dispose did not return — config graces not threaded to the run')) }, 4000) }), + ])).resolves.toBeUndefined() + await ctx.fiber.dispose() + } finally { + rmSync(tmp, { recursive: true, force: true }) + } + }) + + it('rejects a non-positive dispose grace at load', async () => { + for (const bad of [{ disposeEofGraceMs: 0 }, { disposeGraceMs: -1 }, { disposeEofGraceMs: Number.NaN }]) { + const ctx = new Context() + await ctx.plugin(SubagentService) + await expect(ctx.plugin(acp, { providerName: 'acp', command: 'true', args: [], permission: 'reject', env: {}, ...bad })) + .rejects.toThrow(/subagent-acp: dispose(?:Eof)?GraceMs must be a positive finite number/) + await ctx.fiber.dispose() + } + }) + it('resolves error via the provider (real load path) when the command does not exist', async () => { const ctx = new Context() await ctx.plugin(SubagentService) @@ -428,6 +470,8 @@ describe('dsh-subagent-acp', () => { cwd: process.cwd(), permission: 'reject', env: {}, + disposeEofGraceMs: DEFAULT_DISPOSE_EOF_GRACE_MS, + disposeGraceMs: DEFAULT_DISPOSE_GRACE_MS, onError: (error, stopReason) => { errors.push({ message: error.message, stopReason }) }, }, ) @@ -439,6 +483,28 @@ describe('dsh-subagent-acp', () => { await run.dispose() }) + it('resolves error (never rejects) even when the onError sink itself throws', async () => { + // onError is a caller-supplied callback boundary: its own exception must be + // contained, or it would reject `result` and break the seam's "result never + // rejects" contract that the flattening above exists to uphold. + const run = startAcpRun( + { prompt: [{ type: 'text', text: 'p' }], parent: fakeParent }, + { + command: '/nonexistent/acp-agent-binary', + args: [], + cwd: process.cwd(), + permission: 'reject', + env: {}, + disposeEofGraceMs: DEFAULT_DISPOSE_EOF_GRACE_MS, + disposeGraceMs: DEFAULT_DISPOSE_GRACE_MS, + onError: () => { throw new Error('sink boom') }, + }, + ) + const result = await run.result + expect(result.stopReason).toBe('error') + await run.dispose() + }) + it('settles aborted when the child crashes (tears the pipe) AFTER a cancel', async () => { // The child hangs, we cancel, and instead of answering the child exits hard // — the pending prompt RPC rejects. With a cancel already requested, the diff --git a/packages/subagent/subagent-acp/tsconfig.json b/packages/subagent/subagent-acp/tsconfig.json index 3c06fef150..e415ace1de 100644 --- a/packages/subagent/subagent-acp/tsconfig.json +++ b/packages/subagent/subagent-acp/tsconfig.json @@ -25,6 +25,9 @@ }, { "path": "../subagent" + }, + { + "path": "../subagent-subprocess" } ] } diff --git a/packages/subagent/subagent-fork/README.md b/packages/subagent/subagent-fork/README.md index c691d56355..1abd7951fd 100644 --- a/packages/subagent/subagent-fork/README.md +++ b/packages/subagent/subagent-fork/README.md @@ -12,7 +12,7 @@ The seam this rides on: `CreateAgentOptions.seed` (added on `dsh-agent`, threade ## Capabilities -`{ outputSchema: false, depthLimit: true, toolFilter: false }` — identical to spawn (the depth/model/output behavior is the shared driver's). +`{ outputSchema: true, depthLimit: true, toolFilter: false }` — identical to spawn (the depth/model/structured-output behavior is the shared driver's). ## Config diff --git a/packages/subagent/subagent-fork/src/index.ts b/packages/subagent/subagent-fork/src/index.ts index 02c1811d82..d8c77a03ac 100644 --- a/packages/subagent/subagent-fork/src/index.ts +++ b/packages/subagent/subagent-fork/src/index.ts @@ -28,6 +28,10 @@ import type { SubagentCapabilities, SubagentProvider, SubagentStartRequest } fro import { startInProcessRun } from '@deepseek-ai/dsh-subagent-inprocess' export const name = 'subagent-fork' +// `tools` is deliberately NOT injected — same rationale as subagent-spawn: the +// per-run structured runtime gates its capture-tool registration on `tools` +// itself, so this backend's apply timing (and the delegation tool's position +// in the model-visible tool list) is unchanged by structured output. export const inject = ['subagents', 'agents'] /** Config: the registry name to register the provider under. */ @@ -47,6 +51,8 @@ export const Config: z<Config> = z.object({ * empty — i.e. fresh — child). The result is contiguous from seq 0 (the live * log keeps `seq === index`), so it is a valid session seed; the in-flight, * unbalanced turn is dropped so the invariants replay accepts it. + * @param parent - the agent whose session log to slice. + * @returns the seed events, contiguous from seq 0; empty when no turn has completed. */ export function completedTurnPrefix(parent: Agent): SessionEvent[] { const events = parent.session.events @@ -57,11 +63,14 @@ export function completedTurnPrefix(parent: Agent): SessionEvent[] { } /** - * The fork provider. Supports `depthLimit`; NOT `outputSchema`/`toolFilter` this - * cut (the service rejects a request needing either before `start` runs). + * The fork provider. Supports `depthLimit` and `outputSchema` (via the shared + * in-process structured runtime); NOT `toolFilter` this cut (the service + * rejects a request needing it before `start` runs). */ class ForkProvider implements SubagentProvider { - readonly capabilities: SubagentCapabilities = { outputSchema: false, depthLimit: true, toolFilter: false } + readonly capabilities: SubagentCapabilities = { outputSchema: true, depthLimit: true, toolFilter: false } + // Context contract: a forked child IS seeded with the parent's completed-turn prefix. + readonly inheritsParentContext = true constructor(readonly name: string, private readonly ctx: Context) {} diff --git a/packages/subagent/subagent-fork/tests/subagent-fork.spec.ts b/packages/subagent/subagent-fork/tests/subagent-fork.spec.ts index 56441a656f..90e2d583d8 100644 --- a/packages/subagent/subagent-fork/tests/subagent-fork.spec.ts +++ b/packages/subagent/subagent-fork/tests/subagent-fork.spec.ts @@ -9,9 +9,10 @@ import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' import AgentLoop from '@deepseek-ai/dsh-agent-loop' import * as Invariants from '@deepseek-ai/dsh-invariants' import SubagentService from '@deepseek-ai/dsh-subagent' -import { MockAdapter, textResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' import type { StreamChunk } from '@deepseek-ai/dsh-llm' import * as fork from '../src/index.ts' +import { STRUCTURED_OUTPUT_TOOL } from '@deepseek-ai/dsh-subagent-inprocess' import { completedTurnPrefix } from '../src/index.ts' type Script = ConstructorParameters<typeof MockAdapter>[0] @@ -141,6 +142,26 @@ describe('dsh-subagent-fork', () => { await run.dispose() }) + it('captures structured output through the shipped plugin (seeded child, driver runtime)', async () => { + const { ctx, parent } = await setup([ + textResponse('parent turn'), + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 9 }), + ]) + parent.send([{ type: 'text', text: 'warm up' }]) + await parent.whenIdle() + const run = ctx.subagents.start('fork', { + prompt: [{ type: 'text', text: 'report structured' }], + parent, + outputSchema: { type: 'object', properties: { answer: { type: 'number' } }, required: ['answer'] }, + }) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.structured).toEqual({ answer: 9 }) + // Run-scoped runtime: nothing stays registered after the settle. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + await run.dispose() + }) + it('does NOT return the seeded parent output when the child produces no message of its own', async () => { // Regression: readResult must scope to the child's OWN events (after the // seed). The parent completes a turn with a distinctive assistant message, @@ -161,9 +182,9 @@ describe('dsh-subagent-fork', () => { await run.dispose() }) - it('advertises depthLimit but not outputSchema/toolFilter', async () => { + it('advertises depthLimit and outputSchema but not toolFilter', async () => { const { ctx } = await setup([]) - expect(ctx.subagents.getProvider('fork')!.capabilities).toEqual({ outputSchema: false, depthLimit: true, toolFilter: false }) + expect(ctx.subagents.getProvider('fork')!.capabilities).toEqual({ outputSchema: true, depthLimit: true, toolFilter: false }) }) it('unregisters the provider when its fiber is disposed (HMR safety)', async () => { diff --git a/packages/subagent/subagent-inprocess/README.md b/packages/subagent/subagent-inprocess/README.md index af6d5792a9..f6870929a8 100644 --- a/packages/subagent/subagent-inprocess/README.md +++ b/packages/subagent/subagent-inprocess/README.md @@ -8,10 +8,10 @@ The shared **in-process subagent run driver**. A pure library (no provider, no r Runs a child as a child [`Agent`](../../core/agent) on the same cordis context (`ctx.agents`): -1. computes child depth = `depthOf(parent) + 1`; if `request.maxDepth` is set and exceeded, throws `SubagentDepthError` (the `depthLimit` capability); -2. creates a child via `ctx.agents.create` with a fresh `AgentId`/`SessionId`, the parent's `cwd` + `parentSession` lineage, the optional `options.seed` (fork's completed-turn prefix; omitted for a fresh child), and `agentOptions` (the child inherits the **parent's model** by default — a child with no model can't run — overridable via `request.agentOptions.model`; the system prompt is NOT inherited); -3. drives the one-shot: `child.send(prompt)` then `await child.whenIdle()` (ordering matters — `send` enqueues synchronously, so `whenIdle` observes the queued work and resolves on the child's `running → idle` transition, never before the turn starts); -4. reads the result, scoped to the child's OWN events (everything at or after `seedLength`, so a seeded child that produced no message of its own never returns the seeded parent's last message): the last `assistant/message` content (deep-cloned — the log is frozen) and the last `turn/end.reason` mapped to a `SubagentStopReason`. +1. computes child depth = `depthOf(parent) + 1`; if `request.maxDepth` is set and exceeded, throws `SubagentDepthError` (the `depthLimit` capability); a `request.outputSchema` is asserted against the supported subset (`assertSupportedOutputSchema` from [dsh-tools](../../core/tools/README.md)) and then snapshotted with `structuredClone` before any child exists — assertion first so a hostile value fails as `OutputSchemaError` (never a raw clone error), the snapshot so a post-`start()` caller mutation cannot drift the enforced schema; +2. creates a child via `ctx.agents.create` with a fresh `AgentId`/`SessionId`, the parent's `cwd` + `parentSession` lineage, the optional `options.seed` (fork's completed-turn prefix; omitted for a fresh child), and `agentOptions` (the child inherits the **parent's model** by default — a child with no model can't run — overridable via `request.agentOptions.model`; the deployment persona needs no inheritance — it is a context-wide prompt section); +3. drives the one-shot: `child.send(prompt)` then `await child.whenIdle()` (ordering matters — `send` enqueues synchronously, so `whenIdle` observes the queued work and resolves on the child's `running → idle` transition, never before the turn starts); there is deliberately NO re-prompt for a structured child that finished cleanly without calling `structured_output` — the shortfall maps to an `error` result for the parent; +4. reads the result, scoped to the child's OWN events (everything at or after `seedLength`, so a seeded child that produced no message of its own never returns the seeded parent's last message): the last `assistant/message` content (deep-cloned — the log is frozen) and the last `turn/end.reason` mapped to a `SubagentStopReason`. A structured run surfaces the captured value as `result.structured`; a structured child that finished cleanly WITHOUT ever capturing settles `error` (a clean finish without the demanded result is a failure, not a success with a missing field). `dispose()` delegates to `AgentHandle.dispose()` (stop loop → await quiescence → remove session); `cancel()` cancels the child's in-flight turn. A cancel landing before any `turn/end` (the pre-turn window) still settles `aborted`, honoring the cancel contract rather than the generic no-turn `error`. @@ -19,6 +19,19 @@ Runs a child as a child [`Agent`](../../core/agent) on the same cordis context ( `{ providerName: string; seed?: SessionEvent[] }` — the per-backend inputs: the provider name (for error context) and the optional child-session seed. +### Structured output (package-internal runtime) + +The mechanism behind `outputSchema` for in-process children — acquired per structured RUN inside `startInProcessRun` (nothing is registered on a context that never runs a structured child; only the model-facing constants `STRUCTURED_OUTPUT_TOOL`/`STRUCTURED_OUTPUT_INSTRUCTION` are exported). One globally registered `structured_output` capture tool (its registered parameters are a placeholder) plus four listeners: + +- a `system-prompt/assemble` waterfall listener registered `prepend: true` that post-processes `await next()` — **final-assembly enforcement**: the assembly the loop renders never carries `structured_output` for an agent without a structured run, and for one that has it always carries the run's OWN schema (as the tool's `parameters`) plus the calling instruction as a trailing prompt section (the demand travels with the tool — `AgentOptions` has no per-agent prompt field to carry it). The loop logs the rendered assembly as the step's `request/header`, so the injection is reconstructable log state, never a wire-only mutation. Per-agent shaping lives here because the tool registry and prompt assembly are context-global while schemas differ per concurrent child (FIXME in the module doc: per-agent/per-session scoping would dissolve this); cooperative mutate-then-`next()` would not survive a downstream listener returning a replacement assembly. +- a `tools/post-execute` listener (`prepend: true` = outermost, so `await next()` yields the composed final decision) that COMMITS the capture: the tool body only stages the validated value, and it becomes the run's result only when the final decision accepts the call — a downstream block (a PostToolUse hook) turns the logged result into `isError`, and the run must not report `structured` success for a call the model and session log saw fail. +- a `tools/pre-execute` deny for any call arriving after the agent's capture — terminal means terminal WITHIN the step: a response listing `structured_output` before further tool calls cannot run side effects after the final answer was accepted. +- an `agent/turn-continuation` listener (also `prepend: true` — an earlier-registered force-continue listener returning without `next()` must not decide the turn before the veto runs) that stops a child's turn once its output is captured, so a successful capture doesn't buy a wasted extra model step. + +The capture tool validates each call against the run's schema (`validateStructuredValue`) — violations become an `INVALID_ARGS` isError result the model retries in-turn; a valid call stages the value for the post-execute commit. + +Lifetime is refcounted by live structured runs: each acquires at start and releases at settle, so the registrations exist exactly while at least one structured child is live, a backend hot-reload mid-run cannot unregister the capture tool under a live child, and the last settle disposes everything. `release()` is idempotent per acquisition. + ### `depthOf(agent): number` Delegation depth rides on a merge-extensible `AgentOptions.subagentDepth` field (0 for a top-level agent, parent + 1 for a child), so a nested spawn reads its parent's depth from `parent.options.subagentDepth`. `depthOf` reads it (absent ⇒ 0). diff --git a/packages/subagent/subagent-inprocess/package.json b/packages/subagent/subagent-inprocess/package.json index f3bd774554..4e6b72533a 100644 --- a/packages/subagent/subagent-inprocess/package.json +++ b/packages/subagent/subagent-inprocess/package.json @@ -26,6 +26,8 @@ "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-subagent": "^0.0.1", + "@deepseek-ai/dsh-system-prompt": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "devDependencies": { diff --git a/packages/subagent/subagent-inprocess/src/index.ts b/packages/subagent/subagent-inprocess/src/index.ts index 4b8d2d4c99..9026954b97 100644 --- a/packages/subagent/subagent-inprocess/src/index.ts +++ b/packages/subagent/subagent-inprocess/src/index.ts @@ -18,7 +18,20 @@ import type { Context } from 'cordis' import { AgentId, type Agent, type AgentHandle, type AgentOptions } from '@deepseek-ai/dsh-agent' import { SessionId, type SessionEvent, type TurnEndReason } from '@deepseek-ai/dsh-session' import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import { assertSupportedOutputSchema } from '@deepseek-ai/dsh-tools' import type { SubagentResult, SubagentRun, SubagentStartRequest, SubagentStopReason } from '@deepseek-ai/dsh-subagent' +import { + acquireStructuredRuntime, + type StructuredAcquisition, +} from './structured.ts' + +// The runtime itself (acquire/attach/release) is package-internal: runs +// acquire it inside startInProcessRun, and no other package drives it. Only +// the model-facing vocabulary is public. +export { + STRUCTURED_OUTPUT_TOOL, + STRUCTURED_OUTPUT_INSTRUCTION, +} from './structured.ts' declare module '@deepseek-ai/dsh-agent' { interface AgentOptions { @@ -34,7 +47,11 @@ declare module '@deepseek-ai/dsh-agent' { } } -/** Read an agent's delegation depth (absent ⇒ a top-level agent, depth 0). */ +/** + * Read an agent's delegation depth (absent ⇒ a top-level agent, depth 0). + * @param agent - the agent whose options may carry `subagentDepth`. + * @returns 0 for a top-level agent, its parent's depth + 1 for a subagent. + */ export function depthOf(agent: Agent): number { return agent.options.subagentDepth ?? 0 } @@ -88,6 +105,13 @@ export interface InProcessRunOptions { * the matching `turn/end.reason` the stop reason. `dispose()` delegates to the * factory's {@link AgentHandle.dispose} (stop loop → await quiescence → remove * session); `cancel()` cancels the child's in-flight turn. + * + * Throws {@link SubagentDepthError} before creating anything when the child's + * depth (parent depth + 1) would exceed `request.maxDepth`. + * @param ctx - the context whose `agents` factory creates and owns the child. + * @param request - the start request (prompt, parent, signal, per-child options). + * @param options - the backend's inputs: provider name plus the optional seed. + * @returns the live run handle for the child agent. */ export function startInProcessRun( ctx: Context, @@ -98,6 +122,18 @@ export function startInProcessRun( if (request.maxDepth !== undefined && childDepth > request.maxDepth) { throw new SubagentDepthError(childDepth, request.maxDepth) } + // Assert, then snapshot, the schema subset BEFORE any child exists (the + // service has already capability-gated; this rejects a schema outside the + // enforced subset loud). Assertion comes FIRST so a hostile value fails as + // OutputSchemaError, never as structuredClone's raw DataCloneError — the + // asserted subset is plain JSON data, which always clones. The snapshot is + // load-bearing: the caller keeps its reference, so attaching the ORIGINAL + // would let a post-start() mutation drift the enforced schema away from the + // asserted one — the clone (taken synchronously with the assertion, no + // interleaving possible) pins assertion, the model-visible parameters, and + // validateStructuredValue to one isolation-immutable value. + if (request.outputSchema !== undefined) assertSupportedOutputSchema(request.outputSchema) + const schema = request.outputSchema === undefined ? undefined : structuredClone(request.outputSchema) const childId = AgentId(randomUUID()) // The child's OWN events begin after the seed (fork seeds the parent's @@ -107,15 +143,22 @@ export function startInProcessRun( const seedLength = options.seed?.length ?? 0 const parentHeader = request.parent.session.header // Inherit the parent's model by default (a child with no model cannot run); - // an explicit `request.agentOptions.model` overrides it. The parent's - // systemPrompt is NOT inherited — a fresh child is a clean specialist unless - // the caller supplies one. + // an explicit `request.agentOptions.model` overrides it. The persona needs + // no inheritance: the deployment persona is a context-wide prompt section, + // so parent and child render the same one. A structured run's + // structured_output instruction is NOT prompt state either — the structured + // runtime's final-request listener appends it per request (see structured.ts). const agentOptions: AgentOptions = { ...request.parent.options.model !== undefined ? { model: request.parent.options.model } : {}, ...request.agentOptions, subagentDepth: childDepth, } + // The structured runtime is held for the WHOLE run (acquired before the child + // exists, released when the result settles), so a backend hot-reload mid-run + // cannot unregister the capture tool out from under this live child. + const structured: StructuredAcquisition | undefined = schema !== undefined ? acquireStructuredRuntime(ctx) : undefined + const handle: AgentHandle = ctx.agents.create({ agentId: childId, sessionId: SessionId(randomUUID()), @@ -130,6 +173,7 @@ export function startInProcessRun( agentOptions, }) const child = handle.agent + if (structured && schema !== undefined) structured.attach(child, schema) // Bridge the request's abort signal to the child (the consumer also bridges // its own exec.signal, but a backend-level bridge keeps the contract local). @@ -138,6 +182,10 @@ export function startInProcessRun( // `turn/end` is logged — settles as `aborted` (honoring the cancel contract) // rather than falling through to the no-turn `error` mapping. let cancelled = false + // An accessor, not an inline read: `cancelled` mutates from closures (the + // abort listener, run.cancel), which control-flow narrowing cannot see — an + // inline read at the result mapping would narrow to the initializer. + const isCancelled = (): boolean => cancelled const requestCancel = (reason: string): void => { cancelled = true child.cancel(reason) @@ -154,9 +202,16 @@ export function startInProcessRun( if (request.signal?.aborted) return { output: [], stopReason: 'aborted' } child.send(request.prompt) await child.whenIdle() - return readResult(child, seedLength, cancelled) + // Deliberately NO re-prompt when a structured child finishes cleanly + // without calling structured_output: readResult maps that to `error` — + // the shortfall goes to the parent instead of buying extra model turns. + return readResult(child, seedLength, isCancelled(), structured ? { captured: structured.captured(child) } : undefined) } finally { request.signal?.removeEventListener('abort', onAbort) + if (structured) { + structured.detach(child) + structured.release() + } } })() @@ -184,12 +239,32 @@ export function startInProcessRun( * logged (a cancel landed in the pre-turn window, before any turn ran), the * run settles `aborted` per the {@link SubagentRun.cancel} contract rather than * the generic no-turn `error`. + * + * A structured run (`structured` present) additionally reports the captured + * value on {@link SubagentResult.structured}. A structured child that finished + * CLEANLY without ever capturing (the nudges ran out) settles `error` — a clean + * finish without the demanded structured result is a failure, not a success + * with a missing field; a non-`completed` reason keeps its own honest mapping. */ -function readResult(child: Agent, seedLength: number, cancelled: boolean): SubagentResult { +function readResult( + child: Agent, + seedLength: number, + cancelled: boolean, + structured?: { captured?: { value: unknown } | undefined }, +): SubagentResult { const own = child.session.events.slice(seedLength) const lastMessage = own.findLast((e): e is SessionEvent<'assistant/message'> => e.type === 'assistant/message') const lastEnd = own.findLast((e): e is SessionEvent<'turn/end'> => e.type === 'turn/end') const output: ContentBlock[] = lastMessage ? structuredClone(lastMessage.data.content) : [] - if (lastEnd === undefined && cancelled) return { output, stopReason: 'aborted' } - return { output, stopReason: toStopReason(lastEnd?.data.reason) } + const stopReason: SubagentStopReason = lastEnd === undefined && cancelled + ? 'aborted' + : toStopReason(lastEnd?.data.reason) + if (structured) { + if (structured.captured) return { output, structured: structured.captured.value, stopReason } + // No capture on a cleanly-completed turn: an ERROR when the run was left + // to finish (the nudges ran out), but ABORTED when a cancel is why the + // nudging stopped — the cancel contract outranks the schema shortfall. + if (stopReason === 'completed') return { output, stopReason: cancelled ? 'aborted' : 'error' } + } + return { output, stopReason } } diff --git a/packages/subagent/subagent-inprocess/src/structured.ts b/packages/subagent/subagent-inprocess/src/structured.ts new file mode 100644 index 0000000000..a557e44785 --- /dev/null +++ b/packages/subagent/subagent-inprocess/src/structured.ts @@ -0,0 +1,312 @@ +/** + * Structured-output support for the in-process subagent backends: the mechanism + * behind `SubagentStartRequest.outputSchema` for children that run as agents on + * the same context. + * + * The model-facing surface is one globally registered `structured_output` tool + * whose REGISTERED parameters are a placeholder — the real schema is per run. + * Because the tool registry and prompt assembly are context-global while + * schemas differ per child (two concurrent structured runs may carry different + * schemas), per-agent shaping happens on the `system-prompt/assemble` + * waterfall with a `prepend: true` listener that post-processes `await next()` + * — FINAL-ASSEMBLY enforcement: whatever downstream listeners mutated or + * replaced, the assembly the loop renders never carries `structured_output` + * for an agent without a structured run, and for one that has it always + * carries the run's OWN schema plus a trailing + * {@link STRUCTURED_OUTPUT_INSTRUCTION} section (the demand travels with the + * tool). The loop logs what the assembly produced as the request header, so + * the injection is a reconstructable fact of the session log, never a + * wire-only mutation (the reconstructability RFC). + * (Cooperative mutate-then-`next()` would not survive a downstream listener + * returning a replacement assembly — see the waterfall composition caveat in + * docs/architecture.md.) + * + * FIXME: the whole enforcement dance above exists because the tool registry + * and prompt assembly are context-global. If they become per-agent or + * per-session scoped, a structured run just registers its own schema'd tool on + * the child's scope and this module reduces to the capture tool plus the + * turn-stop — no placeholder, no final-assembly swap, no strip-for-everyone- + * else, no global-registration lifetime dance. + * + * A companion `agent/turn-continuation` listener stops a child's turn once its + * output is captured — without it, the loop's default "had tool calls ⇒ + * continue" buys a wasted extra model step per structured child. It is also + * `prepend: true`: the veto must run before any earlier-registered listener + * that could short-circuit the chain into a forced continue. A third listener + * closes the within-step window the continuation veto cannot: a + * `tools/pre-execute` deny for any call arriving after the agent's capture, so + * a response that lists `structured_output` before further tool calls cannot + * run side effects after the final answer was accepted. A fourth, + * `tools/post-execute`, is the capture COMMIT: the tool body only stages the + * validated value, and it becomes the run's captured result only when the + * final post-execute decision accepts the call — a blocking hook downstream + * yields `isError` in the log, and the run must not report success for it. + * + * Lifetime is refcounted by structured RUNS: each acquires from start to + * settle, so the registrations exist exactly while at least one structured + * child is live — a plain deployment that never passes `outputSchema` carries + * no always-on global state, and a backend hot-reload mid-run cannot + * unregister the capture tool out from under a live child (the run holds its + * own acquisition). Registrations land on the ROOT context and the refcount + * disposes them when the last run settles; the next structured run + * re-registers them. + * + * @module @deepseek-ai/dsh-subagent-inprocess/structured + */ + +import type { Context } from 'cordis' +import type { Agent } from '@deepseek-ai/dsh-agent' +import type { ContentBlock, ToolSchema } from '@deepseek-ai/dsh-llm' +import type { ContinuationDecision } from '@deepseek-ai/dsh-agent' +import type { AssembleContext, PromptAssembly } from '@deepseek-ai/dsh-system-prompt' +import type { PostToolDecision, PreToolDecision, ToolExecution, ToolExecutionResult } from '@deepseek-ai/dsh-tools' +import { ToolArgsError, validateStructuredValue, type StructuredOutputSchema } from '@deepseek-ai/dsh-tools' + +/** The model-facing tool name a structured child must call to finish. */ +export const STRUCTURED_OUTPUT_TOOL = 'structured_output' + +/** + * The instruction the assembly listener appends to a structured child's + * system prompt as a trailing section on every assembly. Per-assembly state, + * NOT agent prompt state: `AgentOptions` has no prompt field (the persona is + * deployment config on the system-prompt plugin), so the same final-assembly + * enforcement that injects the schema'd tool carries the instruction that + * demands calling it. + */ +export const STRUCTURED_OUTPUT_INSTRUCTION + = 'When you have your final answer, you MUST report it by calling the ' + + `\`${STRUCTURED_OUTPUT_TOOL}\` tool with arguments matching its parameter schema exactly. ` + + 'Do not finish with a plain text answer: only the tool call counts as your result.' + +/** One structured run's state: the schema to enforce and the captured value, once recorded. */ +interface RunState { + readonly schema: StructuredOutputSchema + /** + * A validated value awaiting the post-execute verdict on ITS OWN call. Set + * by the capture tool's body, promoted to {@link RunState.captured} only + * when the final `tools/post-execute` decision accepts the call — a + * downstream block turns the logged result into `isError`, and a value + * committed at body time would let the run report success for a call the + * model saw fail. + */ + pending?: { value: unknown } + captured?: { value: unknown } +} + +/** The per-root-context runtime: run states plus the shared registrations. */ +interface StructuredRuntime { + refs: number + readonly states: WeakMap<Agent, RunState> + readonly disposers: (() => void)[] +} + +/** One root context ⇒ one runtime (multi-app test isolation). */ +const runtimes = new WeakMap<Context, StructuredRuntime>() + +/** + * One holder's handle on the shared structured runtime. `release()` is + * idempotent per acquisition; the runtime's registrations are disposed when the + * LAST holder (backend plugin or live run) releases. + */ +export interface StructuredAcquisition { + /** Enforce `schema` on `agent`'s requests and start capturing its `structured_output` call. */ + attach(agent: Agent, schema: StructuredOutputSchema): void + /** The captured value, once the child called the tool with valid arguments. */ + captured(agent: Agent): { value: unknown } | undefined + /** Stop enforcing/capturing for `agent` (WeakMap-backed; safe to call twice). */ + detach(agent: Agent): void + /** Drop this holder's reference (idempotent); the last release unregisters everything. */ + release(): void +} + +/** + * Acquire the per-root-context structured runtime, registering the capture tool + * and the runtime's listeners on the FIRST acquisition. See the module doc + * for the enforcement and lifetime design. + * @param ctx - any context of the app; the runtime keys off `ctx.root`. + * @returns this holder's handle (attach/captured/detach + idempotent release). + */ +export function acquireStructuredRuntime(ctx: Context): StructuredAcquisition { + const root: Context = ctx.root + let runtime = runtimes.get(root) + if (!runtime) { + runtime = { refs: 0, states: new WeakMap(), disposers: [] } + runtimes.set(root, runtime) + registerRuntime(root, runtime) + } + runtime.refs += 1 + + let released = false + return { + attach(agent: Agent, schema: StructuredOutputSchema): void { + runtime.states.set(agent, { schema }) + }, + captured(agent: Agent): { value: unknown } | undefined { + return runtime.states.get(agent)?.captured + }, + detach(agent: Agent): void { + runtime.states.delete(agent) + }, + release(): void { + if (released) return + released = true + runtime.refs -= 1 + if (runtime.refs > 0) return + runtimes.delete(root) + for (const dispose of runtime.disposers.splice(0)) dispose() + }, + } +} + +/** Register the capture tool + the two listeners on the root context (first acquire). */ +function registerRuntime(root: Context, runtime: StructuredRuntime): void { + // The registered parameters are a PLACEHOLDER: the request listener below + // swaps in the run's real schema per child, and strips the tool entirely for + // every agent without a structured run — so this shape is never model-visible. + // + // Registration does NOT ride on the acquiring backend's plugin-level + // `inject`: a backend that waited on `tools` would apply later than it did + // before this module existed, shifting when its PROVIDER registers — and the + // delegation tool mirrors provider lifecycle, so that shift would reorder + // the model-visible tool list of every existing prompt. Instead the capture + // tool registers synchronously when `tools` is already live (the common + // case), and through a scoped inject fiber when the Loader happens to start + // the backend first. Either way the registration lands on root and is + // disposed by the runtime's refcount; disposing the fiber also covers the + // never-activated case. + let disposeTool: (() => void) | undefined + const registerCapture = (tools: Context['tools']): void => { + disposeTool = tools.register({ + name: STRUCTURED_OUTPUT_TOOL, + description: + 'Report your final structured result. Call this exactly once, when your answer is complete; ' + + 'the arguments must match this tool\'s parameter schema exactly.', + parameters: { type: 'object', properties: {} }, + execute(args: unknown, exec: ToolExecution): Promise<ContentBlock[]> { + const state = exec.agent ? runtime.states.get(exec.agent) : undefined + if (!state) { + // Reachable only if a non-structured agent somehow calls the tool (the + // request listener strips it, so the model never sees it) — fail loud + // rather than capture into nowhere. + throw new Error(`${STRUCTURED_OUTPUT_TOOL} is only available to subagents started with an output schema`) + } + const violations = validateStructuredValue(state.schema, args) + // ToolArgsError → isError result with INVALID_ARGS: the model retries + // within the same turn, exactly like a schema-validated defineTool call. + if (violations.length > 0) throw new ToolArgsError(violations) + // Two-phase commit: the body only STAGES the value; the post-execute + // listener below promotes it once the final decision accepts the call. + state.pending = { value: args } + return Promise.resolve([{ type: 'text', text: 'Structured output recorded.' }]) + }, + }) + } + const liveTools = root.get('tools') + const toolsFiber = liveTools ? undefined : root.inject(['tools'], (childCtx: Context) => { + registerCapture(childCtx.root.tools) + }) + if (liveTools) registerCapture(liveTools) + runtime.disposers.push(() => { + disposeTool?.() + void toolsFiber?.dispose() + }) + + // FINAL-ASSEMBLY enforcement (prepend: true = first registered = OUTERMOST + // wrapper): post-process whatever the downstream listeners and the registry + // produced, so a downstream listener returning a replacement assembly cannot + // leak the tool to other agents or erase the child's schema. The loop logs + // the rendered assembly as the step's request header, so the swap is + // reconstructable log state, never a wire-only mutation. + runtime.disposers.push(root.on('system-prompt/assemble', async function ( + this: unknown, _assembly: PromptAssembly, context: AssembleContext, next: () => Promise<PromptAssembly>, + ): Promise<PromptAssembly> { + const final = await next() + const state = context.agent ? runtime.states.get(context.agent) : undefined + if (state) { + const schemaEntry: ToolSchema = { + name: STRUCTURED_OUTPUT_TOOL, + description: + 'Report your final structured result. Call this exactly once, when your answer is complete; ' + + 'the arguments must match this tool\'s parameter schema exactly.', + // ToolSchema.parameters is the wire-level JSON Schema object; the + // asserted subset type is structurally exactly that. + parameters: state.schema as unknown as Record<string, unknown>, + } + final.tools = [...final.tools.filter(tool => tool.name !== STRUCTURED_OUTPUT_TOOL), schemaEntry] + // The demand travels WITH the tool: a trailing section in the + // tool-guidance order band, appended after next() so it renders last + // (renderPrompt joins in array order). + final.sections = [...final.sections, { name: `tool:${STRUCTURED_OUTPUT_TOOL}`, order: 190, text: STRUCTURED_OUTPUT_INSTRUCTION }] + return final + } + // No structured run: strip the placeholder so it is never model-visible. + // An empty tools array canonicalizes to an absent header/wire field + // (canonicalHeader pins empty ≡ absent), so no re-shaping is needed here. + final.tools = final.tools.filter(tool => tool.name !== STRUCTURED_OUTPUT_TOOL) + return final + }, { prepend: true })) + + // Stop a structured child's turn once its output is captured: the default + // "had tool calls ⇒ continue" would otherwise buy a wasted extra model step + // after every successful capture. `prepend: true` puts the veto OUTERMOST — + // an earlier-registered listener that short-circuits the chain (a goal-style + // force-continue returning without `next()`) would otherwise decide the turn + // before this listener ever ran, and no downstream decision may resurrect a + // structured turn that is already finished. + runtime.disposers.push(root.on('agent/turn-continuation', function ( + this: unknown, agent: Agent, _turn: number, _decision: ContinuationDecision, next: () => Promise<ContinuationDecision>, + ): Promise<ContinuationDecision> { + if (runtime.states.get(agent)?.captured) return Promise.resolve({ action: 'stop' }) + return next() + }, { prepend: true })) + + // The capture COMMIT: promote the staged value only when the final + // post-execute decision accepts the call. The capture tool's body cannot + // decide — `tools/post-execute` runs after it, and a blocking listener (a + // PostToolUse hook) turns the logged result into `isError` feedback; a value + // committed at body time would make readResult report `structured` success + // for a call whose result the model and session log saw fail. `prepend: + // true` = outermost at registration time, so `await next()` returns the + // COMPOSED downstream decision — the same final verdict the registry maps + // onto the result. (A later-registered outer listener that blocks without + // delegating skips this commit entirely: the staged value is dropped and the + // run errors — failure-safe in the same direction.) The staging slot clears + // on every path, including a rejecting downstream listener. + runtime.disposers.push(root.on('tools/post-execute', async function ( + this: unknown, exec: ToolExecution, _result: ToolExecutionResult, next: () => Promise<PostToolDecision>, + ): Promise<PostToolDecision> { + const state = exec.agent ? runtime.states.get(exec.agent) : undefined + if (!state || exec.name !== STRUCTURED_OUTPUT_TOOL || state.pending === undefined) return next() + const pending = state.pending + try { + const decision = await next() + if (decision.kind === 'accept') state.captured = pending + return decision + } finally { + delete state.pending + } + }, { prepend: true })) + + // Terminal means terminal WITHIN the step, not only at its end: the + // turn-continuation veto above runs after every call in the current model + // response has executed, so a response that puts `structured_output` before + // further tool calls would still perform those side effects after the final + // answer was accepted. Deny every later call for a captured agent at the + // allow/deny gate — dispatch is skipped and the model sees an `isError` + // result naming the contract. Calls that PRECEDE the capture in the same + // response ran before `captured` was set and are untouched; a second + // `structured_output` is denied like any other call. `prepend: true` for the + // same reason as the continuation veto: no earlier-registered allow may + // short-circuit past the terminal contract. + runtime.disposers.push(root.on('tools/pre-execute', function ( + this: unknown, exec: ToolExecution, next: () => Promise<PreToolDecision>, + ): Promise<PreToolDecision> { + if (exec.agent && runtime.states.get(exec.agent)?.captured) { + return Promise.resolve({ + kind: 'deny', + reason: `structured output already recorded: the run is complete, so \`${exec.name}\` is not executed`, + }) + } + return next() + }, { prepend: true })) +} diff --git a/packages/subagent/subagent-inprocess/tests/structured.spec.ts b/packages/subagent/subagent-inprocess/tests/structured.spec.ts new file mode 100644 index 0000000000..0de036a0a0 --- /dev/null +++ b/packages/subagent/subagent-inprocess/tests/structured.spec.ts @@ -0,0 +1,606 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService, { CallId, type ContentBlock, type GenerateOptions } from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import type { Agent, ContinuationDecision } from '@deepseek-ai/dsh-agent' +import AgentLoop from '@deepseek-ai/dsh-agent-loop' +import * as Invariants from '@deepseek-ai/dsh-invariants' +import SubagentService, { type SubagentStartRequest } from '@deepseek-ai/dsh-subagent' +import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' +import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +import { startInProcessRun } from '../src/index.ts' +import { + acquireStructuredRuntime, + STRUCTURED_OUTPUT_INSTRUCTION, + STRUCTURED_OUTPUT_TOOL, +} from '../src/structured.ts' + +type Script = ConstructorParameters<typeof MockAdapter>[0] + +const SCHEMA: StructuredOutputSchema = { + type: 'object', + properties: { answer: { type: 'number' }, note: { type: 'string' } }, + required: ['answer'], +} + +/** + * Real loop + scripted mock model + an INLINE spawn-shaped provider over the + * shared driver. The concrete backend plugins are deliberately NOT loaded — + * they would devDep-cycle this package (spawn/fork already depend on the + * driver), and the runtime under test is the driver's; plugin-level structured + * coverage lives in the spawn/fork specs. The mock model script drives the + * child's structured_output calls. + */ +async function setup(script: Script) { + const ctx = new Context() + const adapter = new MockAdapter(script) + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(Invariants) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(SubagentService) + const disposeProvider = ctx.subagents.registerProvider({ + name: 'spawn', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: false }, + inheritsParentContext: false, + start: (request: SubagentStartRequest) => startInProcessRun(ctx, request, { providerName: 'spawn' }), + }) + ctx.llm.registerAdapter(['mock'], adapter) + const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) + return { ctx, parent, adapter, disposeProvider } +} + +function structuredRequest(parent: SubagentStartRequest['parent'], extra?: Partial<SubagentStartRequest>): SubagentStartRequest { + return { prompt: [{ type: 'text', text: 'produce the answer' }], parent, outputSchema: SCHEMA, ...extra } +} + +/** The tool names of one recorded model request. */ +function toolNames(request: GenerateOptions): string[] { + return (request.tools ?? []).map(tool => tool.name) +} + +describe('in-process structured output', () => { + it('captures a valid structured_output call and surfaces result.structured', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 42, note: 'done' }), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.structured).toEqual({ answer: 42, note: 'done' }) + await run.dispose() + }) + + it('stops the turn after a successful capture — no extra model step is spent', async () => { + const { ctx, parent, adapter } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 1 }), + textResponse('MUST NOT BE CONSUMED'), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + await run.result + // Default continuation would run a second step after the tool call; the + // structured runtime's turn-continuation veto stops the turn instead. + expect(adapter.requests.length).toBe(1) + await run.dispose() + }) + + it('denies tool calls that FOLLOW the capture in the same response — terminal means terminal', async () => { + // One model response carrying structured_output FIRST and a side-effecting + // call after it: the continuation veto only fires at step end, so without + // the pre-execute deny the trailing call would still run after the final + // answer was accepted. + const response = [ + ...toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 5 }).slice(0, -2), + { type: 'block-start', index: 1, blockType: 'tool-call' }, + { type: 'block-end', index: 1, block: { type: 'tool-call', id: CallId('c2'), name: 'side_effect', arguments: '{}' } }, + { type: 'usage', usage: { inputTokens: 10, outputTokens: 5 } }, + { type: 'finish', reason: { kind: 'tool-calls' } }, + ] as Script[number] + const { ctx, parent } = await setup([response]) + let sideEffectRan = false + ctx.tools.register({ + name: 'side_effect', + description: 'probe', + parameters: { type: 'object', properties: {} }, + execute(): Promise<ContentBlock[]> { + sideEffectRan = true + return Promise.resolve([{ type: 'text', text: 'ran' }]) + }, + }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.structured).toEqual({ answer: 5 }) + // The deny skipped dispatch entirely: the probe body never ran. + expect(sideEffectRan).toBe(false) + await run.dispose() + }) + + it('leaves tool calls that PRECEDE the capture in the same response untouched', async () => { + const response = [ + { type: 'block-start', index: 0, blockType: 'tool-call' }, + { type: 'block-end', index: 0, block: { type: 'tool-call', id: CallId('c1'), name: 'side_effect', arguments: '{}' } }, + ...toolCallResponse('c2', STRUCTURED_OUTPUT_TOOL, { answer: 6 }).map(chunk => + 'index' in chunk ? { ...chunk, index: 1 } : chunk), + ] as Script[number] + const { ctx, parent } = await setup([response]) + let sideEffectRan = false + ctx.tools.register({ + name: 'side_effect', + description: 'probe', + parameters: { type: 'object', properties: {} }, + execute(): Promise<ContentBlock[]> { + sideEffectRan = true + return Promise.resolve([{ type: 'text', text: 'ran' }]) + }, + }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + // The call ran BEFORE captured was set: the deny gate only guards the + // window after the terminal answer landed. + expect(sideEffectRan).toBe(true) + expect(result.structured).toEqual({ answer: 6 }) + await run.dispose() + }) + + it('snapshots the schema at start(): caller mutation after start cannot drift enforcement', async () => { + const mutable: StructuredOutputSchema = { + type: 'object', + properties: { answer: { type: 'number' } }, + required: ['answer'], + additionalProperties: false, + } + const pristine = structuredClone(mutable) + const { ctx, parent, adapter } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 3 }), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent, { outputSchema: mutable })) + // Mutate the caller's object AFTER start() returned but before the child's + // first request assembles: with a live reference this would reach both the + // model-visible parameters and validateStructuredValue. + ;(mutable.properties as Record<string, unknown>).answer = { type: 'string' } + const result = await run.result + expect(result.structured).toEqual({ answer: 3 }) + // The child's request carried the PRISTINE schema, not the mutated one. + const childRequest = adapter.requests.at(-1) + const captureTool = (childRequest?.tools ?? []).find(tool => tool.name === STRUCTURED_OUTPUT_TOOL) + expect(captureTool?.parameters).toEqual(pristine) + await run.dispose() + }) + + it('the captured-turn veto is prepend: an EARLIER force-continue listener cannot short-circuit it', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + // Registered BEFORE the structured runtime exists — without prepend, this + // goal-style listener would decide the turn first (returning WITHOUT + // calling next()) and the veto would never run. + ctx.on('agent/turn-continuation', () => Promise.resolve<ContinuationDecision>({ action: 'continue' })) + const acquisition = acquireStructuredRuntime(ctx) + const agent = { id: AgentId('structured-child') } as unknown as Agent + acquisition.attach(agent, SCHEMA) + const captured = await ctx.tools.execute({ + callId: 'call-1' as never, + name: STRUCTURED_OUTPUT_TOOL, + arguments: { answer: 1 }, + agent, + }) + expect(captured.isError).toBeFalsy() + const decision = await ctx.waterfall( + 'agent/turn-continuation', agent, 1, + { action: 'continue' }, + () => Promise.resolve<ContinuationDecision>({ action: 'continue' }), + ) + expect(decision).toEqual({ action: 'stop' }) + acquisition.detach(agent) + acquisition.release() + }) + + it('an invalid call gets an INVALID_ARGS isError result and the model retries in-turn', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 'not-a-number' }), + toolCallResponse('c2', STRUCTURED_OUTPUT_TOOL, { answer: 7 }), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.structured).toEqual({ answer: 7 }) + expect(result.stopReason).toBe('completed') + // The child's log carries the isError tool/result for the invalid call. + const child = ctx.agents.get(run.id)! + const results = child.session.events.filter(e => e.type === 'tool/result') + expect(results.length).toBe(2) + expect((results[0]!.data as { isError?: boolean }).isError).toBe(true) + await run.dispose() + }) + + it('a clean finish without a capture is an immediate error to the parent — deliberately NO re-prompt', async () => { + const { ctx, parent, adapter } = await setup([ + textResponse('here is my answer in prose'), + textResponse('MUST NOT BE CONSUMED'), + ]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('error') + expect(result.structured).toBeUndefined() + // Exactly one model request and one user message: no nudge turn exists. + expect(adapter.requests.length).toBe(1) + const child = ctx.agents.get(run.id)! + expect(child.session.events.filter(e => e.type === 'user/message').length).toBe(1) + await run.dispose() + }) + + it('an errored child keeps its honest error result (no capture expected)', async () => { + // Script exhaustion on the first call → the child turn errors. + const { ctx, parent, adapter } = await setup([]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('error') + expect(adapter.requests.length).toBe(1) + await run.dispose() + }) + + it('a cancel landing after a clean capture-less turn settles aborted, not error', async () => { + const { ctx, parent } = await setup([textResponse('prose, no capture')]) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const child = ctx.agents.get(run.id)! + // Cancel synchronously inside the turn's end recording: the cancel + // contract outranks the schema shortfall, so the result maps to aborted. + ctx.on('session/event', (session, event) => { + if (session === child.session && event.type === 'turn/end') run.cancel('cancelled at turn end') + }) + const result = await run.result + expect(result.stopReason).toBe('aborted') + await run.dispose() + }) + + it('rejects a schema outside the subset loud, before any child exists', async () => { + const { ctx, parent } = await setup([]) + expect(() => ctx.subagents.start('spawn', structuredRequest(parent, { + outputSchema: { type: 'object', oneOf: [] } as unknown as StructuredOutputSchema, + }))).toThrow(/unsupported output schema/) + expect(ctx.agents.get(AgentId('parent'))).toBeDefined() + }) + + it('a schema carrying non-JSON values fails as OutputSchemaError, never as a raw clone error', async () => { + const { ctx, parent } = await setup([]) + // Assertion runs BEFORE the defensive structuredClone: a function-valued + // annotation must surface as the subset violation it is, not escape as + // structuredClone's DataCloneError. + expect(() => ctx.subagents.start('spawn', structuredRequest(parent, { + outputSchema: { type: 'object', default: () => {} } as unknown as StructuredOutputSchema, + }))).toThrow(/unsupported output schema.*annotation must be JSON data/) + }) + + it('a post-execute BLOCK on the capture call denies the capture: log and result agree on failure', async () => { + const { ctx, parent, adapter } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 7 }), + textResponse('continues after the blocked capture'), + ]) + // A PostToolUse-style hook, registered AFTER the runtime (so the runtime's + // prepend commit listener stays outermost and composes this verdict). + ctx.on('tools/post-execute', (exec, _result, next) => { + if (exec.name === STRUCTURED_OUTPUT_TOOL) { + return Promise.resolve({ kind: 'block' as const, feedback: [{ type: 'text' as const, text: 'capture rejected by hook' }] }) + } + return next() + }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + // No capture was committed: the run reports the schema shortfall... + expect(result.structured).toBeUndefined() + expect(result.stopReason).toBe('error') + // ...the logged tool result is the blocked isError with the feedback... + const child = ctx.agents.get(run.id)! + const results = child.session.events.filter(e => e.type === 'tool/result') + expect((results[0]!.data as { isError?: boolean }).isError).toBe(true) + expect(JSON.stringify((results[0]!.data as { content: unknown }).content)).toContain('capture rejected by hook') + // ...and the turn CONTINUED past the blocked call (no captured veto): + // the model got to react to the failure with a second step. + expect(adapter.requests.length).toBe(2) + await run.dispose() + }) + + it('a post-execute accept-with-replacement still commits the capture', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 8 }), + ]) + ctx.on('tools/post-execute', (exec, _result, next) => { + if (exec.name === STRUCTURED_OUTPUT_TOOL) { + return Promise.resolve({ kind: 'accept' as const, content: [{ type: 'text' as const, text: 'recorded (rewritten)' }] }) + } + return next() + }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.structured).toEqual({ answer: 8 }) + await run.dispose() + }) + + it('appends the structured instruction to the child REQUEST\'s system text (base prompt preserved)', async () => { + const { ctx, parent, adapter } = await setup([toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 1 })]) + // A context-wide section stands in for the deployment persona: the + // instruction must APPEND to whatever the prompt pipeline assembled, not + // replace it (AgentOptions has no prompt field — the instruction is + // per-request wire state added by the final-request listener). + ctx.systemPrompt.section({ name: 'test:persona', order: 10, text: 'You are a counter.' }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + await run.result + const childRequest = adapter.requests.at(-1)! + expect(childRequest.system).toContain('You are a counter.') + expect(childRequest.system!.endsWith(STRUCTURED_OUTPUT_INSTRUCTION)).toBe(true) + expect(childRequest.system!.indexOf(STRUCTURED_OUTPUT_INSTRUCTION)).toBeGreaterThan(0) + await run.dispose() + }) + + it('the instruction rides ONLY structured requests: appended for the child, absent for a plain agent', async () => { + const { ctx, parent, adapter } = await setup([ + textResponse('parent answer'), + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 1 }), + ]) + parent.send([{ type: 'text', text: 'hello' }]) + await parent.whenIdle() + expect(adapter.requests[0]!.system ?? '').not.toContain(STRUCTURED_OUTPUT_INSTRUCTION) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + await run.result + // The loop always assembles a base prompt (the harness identity section), + // so the instruction APPENDS — never replaces. + const childSystem = adapter.requests.at(-1)!.system! + expect(childSystem.endsWith(STRUCTURED_OUTPUT_INSTRUCTION)).toBe(true) + expect(childSystem.length).toBeGreaterThan(STRUCTURED_OUTPUT_INSTRUCTION.length) + await run.dispose() + }) + + describe('final-request enforcement (the prepend agent/request listener)', () => { + it('a plain agent assembling while the runtime is LIVE gets the placeholder stripped', async () => { + // Run-scoped acquisition means a plain deployment never registers the + // tool at all; the strip branch exists for the CONCURRENT case — a plain + // agent taking a turn while some structured child holds the runtime open. + const { ctx, parent, adapter } = await setup([textResponse('parent answer')]) + const hold = acquireStructuredRuntime(ctx) + parent.send([{ type: 'text', text: 'hello' }]) + await parent.whenIdle() + // The placeholder IS in the registry during this turn; the assembly the + // loop rendered must not carry it for an agent without a structured run. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeDefined() + expect(toolNames(adapter.requests[0]!)).not.toContain(STRUCTURED_OUTPUT_TOOL) + hold.release() + }) + + it('a structured child sees structured_output with ITS schema; a plain agent never sees the tool', async () => { + const { ctx, parent, adapter } = await setup([ + // Parent turn (a plain agent): must NOT see the tool. + textResponse('parent answer'), + // Child turn: must see it, with the run's schema. + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 42 }), + ]) + parent.send([{ type: 'text', text: 'hello' }]) + await parent.whenIdle() + expect(toolNames(adapter.requests[0]!)).not.toContain(STRUCTURED_OUTPUT_TOOL) + + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + await run.result + const childRequest = adapter.requests[1]! + expect(toolNames(childRequest)).toContain(STRUCTURED_OUTPUT_TOOL) + const entry = childRequest.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)! + expect(entry.parameters).toEqual(SCHEMA) + await run.dispose() + }) + + it('two concurrent structured children each see their OWN schema', async () => { + const otherSchema: StructuredOutputSchema = { + type: 'object', + properties: { verdict: { type: 'string', enum: ['real', 'bogus'] } }, + required: ['verdict'], + } + const { ctx, parent, adapter } = await setup([ + (options: GenerateOptions) => { + // Answer with whatever schema this child was given — proves each + // request carried the right one regardless of scheduling order. + const entry = options.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)! + const args = 'verdict' in (entry.parameters.properties as Record<string, unknown>) + ? { verdict: 'real' } + : { answer: 1 } + return toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, args) + }, + (options: GenerateOptions) => { + const entry = options.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)! + const args = 'verdict' in (entry.parameters.properties as Record<string, unknown>) + ? { verdict: 'real' } + : { answer: 1 } + return toolCallResponse('c2', STRUCTURED_OUTPUT_TOOL, args) + }, + ]) + const runA = ctx.subagents.start('spawn', structuredRequest(parent)) + const runB = ctx.subagents.start('spawn', structuredRequest(parent, { outputSchema: otherSchema })) + const [a, b] = await Promise.all([runA.result, runB.result]) + expect(a.structured).toEqual({ answer: 1 }) + expect(b.structured).toEqual({ verdict: 'real' }) + const schemas = adapter.requests.map(request => + request.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)!.parameters) + expect(schemas).toContainEqual(SCHEMA) + expect(schemas).toContainEqual(otherSchema) + await runA.dispose() + await runB.dispose() + }) + + it('wins against a downstream listener that REPLACES the assembly object', async () => { + const { ctx, parent, adapter } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 5 }), + ]) + // A downstream (non-prepend) listener that returns a brand-new assembly — + // the composition caveat that erases cooperative mutations. Registered + // AFTER the runtime's prepend listener, so it runs INSIDE it. + ctx.on('system-prompt/assemble', async (_assembly, _context, next) => { + const replaced = await next() + return { sections: [...replaced.sections], tools: [...replaced.tools], variables: { ...replaced.variables } } + }) + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + expect(result.structured).toEqual({ answer: 5 }) + const entry = adapter.requests[0]!.tools!.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL) + expect(entry).toBeDefined() + expect(entry!.parameters).toEqual(SCHEMA) + await run.dispose() + }) + + it('a non-structured agent request keeps tools ABSENT when it had none (no tools: [] materialized)', async () => { + const { parent, adapter } = await setup([ + // The registry contributes the placeholder via prompt assembly, so + // tools is an array in the raw request — but after stripping the + // placeholder (its ONLY entry), the field must not be re-added as a + // different shape. + textResponse('plain'), + ]) + parent.send([{ type: 'text', text: 'q' }]) + await parent.whenIdle() + const request = adapter.requests[0]! + expect(toolNames(request)).not.toContain(STRUCTURED_OUTPUT_TOOL) + await new Promise(resolve => setTimeout(resolve, 0)) + }) + + it('shapes a bare assembly on the waterfall: no-agent context strips the placeholder; a structured agent gains schema + trailing instruction section', async () => { + // Drive ctx.systemPrompt.assemble directly — the enforcement listener + // must tolerate a context with NO agent (a bare diagnostic assemble) + // and shape a structured agent's assembly on the same path the loop + // renders and logs as the request header. + const { ctx, parent } = await setup([]) + const acquisition = acquireStructuredRuntime(ctx) + // Bare assemble WHILE the runtime is live: the no-agent branch must + // strip the registered placeholder (before the acquisition there is + // nothing to strip — run-scoped registration). + const bare = await ctx.systemPrompt.assemble({}) + expect(bare.tools.map(tool => tool.name)).not.toContain(STRUCTURED_OUTPUT_TOOL) + + acquisition.attach(parent, SCHEMA) + const shaped = await ctx.systemPrompt.assemble({ agent: parent }) + expect(shaped.tools.map(tool => tool.name)).toContain(STRUCTURED_OUTPUT_TOOL) + expect(shaped.tools.find(tool => tool.name === STRUCTURED_OUTPUT_TOOL)!.parameters).toEqual(SCHEMA) + // The demand travels with the tool: the instruction renders LAST + // (appended post-next(); renderPrompt joins in array order). + expect(shaped.sections.at(-1)).toMatchObject({ name: `tool:${STRUCTURED_OUTPUT_TOOL}`, text: STRUCTURED_OUTPUT_INSTRUCTION }) + acquisition.detach(parent) + acquisition.release() + }) + }) + + describe('runtime lifetime (refcount: live structured runs)', () => { + it('the runtime exists exactly while structured runs are live: nothing before, nothing after', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 4 }), + ]) + // No always-on global state: a context that has run no structured child + // carries no capture tool. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + const run = ctx.subagents.start('spawn', structuredRequest(parent)) + const result = await run.result + // The capture succeeded — the registrations existed while the run lived. + expect(result.structured).toEqual({ answer: 4 }) + // The run's settle released the last acquisition. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + await run.dispose() + }) + + it('concurrent structured runs share one runtime; the last settle disposes it', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 1 }), + toolCallResponse('c2', STRUCTURED_OUTPUT_TOOL, { answer: 2 }), + ]) + const first = ctx.subagents.start('spawn', structuredRequest(parent)) + const second = ctx.subagents.start('spawn', structuredRequest(parent)) + const [a, b] = await Promise.all([first.result, second.result]) + expect([a.structured, b.structured].sort()).toEqual([{ answer: 1 }, { answer: 2 }].sort()) + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + await first.dispose() + await second.dispose() + }) + + it('acquisition release is idempotent (double release cannot underflow the refcount)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + const first = acquireStructuredRuntime(ctx) + const second = acquireStructuredRuntime(ctx) + first.release() + first.release() + // The second holder still keeps the tool registered. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeDefined() + second.release() + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + }) + + it('registers the capture tool through the scoped fiber when tools loads after the acquisition', async () => { + // The Loader starts sibling plugins concurrently, so a backend can + // acquire the runtime before dsh-tools has applied. The capture tool + // must then register as soon as `tools` exists — via the inject fiber, + // not by deferring the backend (which would reorder the prompt's tools). + const ctx = new Context() + const acquisition = acquireStructuredRuntime(ctx) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + // Fiber activation completes asynchronously after the service appears. + await new Promise(resolve => setImmediate(resolve)) + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeDefined() + acquisition.release() + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + }) + + it('releasing before tools ever loads disposes the pending fiber without registering', async () => { + const ctx = new Context() + const acquisition = acquireStructuredRuntime(ctx) + acquisition.release() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await new Promise(resolve => setImmediate(resolve)) + // The disposed fiber never fires: nothing registers after the fact. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + }) + + it('attach/captured/detach manage per-agent state through the acquisition surface', async () => { + const { ctx, parent } = await setup([]) + const acquisition = acquireStructuredRuntime(ctx) + expect(acquisition.captured(parent)).toBeUndefined() + acquisition.attach(parent, SCHEMA) + expect(acquisition.captured(parent)).toBeUndefined() + acquisition.detach(parent) + acquisition.detach(parent) + acquisition.release() + // That manual acquisition was the ONLY holder - release disposes. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + }) + }) + + it('a direct structured_output call from an agent WITHOUT a structured run is an isError', async () => { + const { ctx, parent } = await setup([]) + // Hold the runtime open (run-scoped: nothing is registered otherwise) so + // the call reaches the capture tool's own fail-loud guard, not UNKNOWN_TOOL. + const hold = acquireStructuredRuntime(ctx) + const result = await ctx.tools.execute({ + callId: 'x' as never, + name: STRUCTURED_OUTPUT_TOOL, + arguments: { answer: 1 }, + agent: parent, + }) + expect(result.isError).toBe(true) + expect(JSON.stringify(result.content)).toContain('only available to subagents') + hold.release() + }) + + it('a structured_output call with NO calling agent at all is an isError', async () => { + const { ctx } = await setup([]) + const hold = acquireStructuredRuntime(ctx) + const result = await ctx.tools.execute({ + callId: 'x' as never, + name: STRUCTURED_OUTPUT_TOOL, + arguments: { answer: 1 }, + }) + expect(result.isError).toBe(true) + hold.release() + }) +}) diff --git a/packages/subagent/subagent-inprocess/tsconfig.json b/packages/subagent/subagent-inprocess/tsconfig.json index 4cb435d4fb..7b7a015cc9 100644 --- a/packages/subagent/subagent-inprocess/tsconfig.json +++ b/packages/subagent/subagent-inprocess/tsconfig.json @@ -25,6 +25,12 @@ }, { "path": "../subagent" + }, + { + "path": "../../core/system-prompt" + }, + { + "path": "../../core/tools" } ] } diff --git a/packages/subagent/subagent-spawn/README.md b/packages/subagent/subagent-spawn/README.md index 97dfae9304..b976ef5a63 100644 --- a/packages/subagent/subagent-spawn/README.md +++ b/packages/subagent/subagent-spawn/README.md @@ -10,7 +10,7 @@ The run mechanics live in the shared [`@deepseek-ai/dsh-subagent-inprocess`](../ ## Capabilities -`{ outputSchema: false, depthLimit: true, toolFilter: false }`. It constructs the child, so it enforces a recursion cap; structured output and tool-scoping are deferred (the service rejects a request needing either before `start` runs). +`{ outputSchema: true, depthLimit: true, toolFilter: false }`. It constructs the child, so it enforces a recursion cap, and it supports structured output via the driver's [structured runtime](../subagent-inprocess/README.md) (acquired per structured run inside the driver — this backend registers nothing at apply). Tool-scoping is deferred (the service rejects a request needing it before `start` runs). ## Config diff --git a/packages/subagent/subagent-spawn/src/index.ts b/packages/subagent/subagent-spawn/src/index.ts index 2ea082e20a..2d8f118b4e 100644 --- a/packages/subagent/subagent-spawn/src/index.ts +++ b/packages/subagent/subagent-spawn/src/index.ts @@ -9,6 +9,11 @@ * ({@link startInProcessRun}); this backend just passes NO seed (a fresh * child). The fork backend is an independent peer over the same driver. * + * Structured output (`outputSchema`) is supported via the driver's shared + * structured runtime: the backend acquires it for its plugin lifetime (so the + * capture tool and request-shaping listeners exist before any run), and each + * structured run holds its own acquisition until it settles. + * * Plugin export shape: named `name`/`inject`/`Config`/`apply`, NO default. * * @module @deepseek-ai/dsh-subagent-spawn @@ -20,6 +25,11 @@ import type { SubagentCapabilities, SubagentProvider, SubagentStartRequest } fro import { startInProcessRun } from '@deepseek-ai/dsh-subagent-inprocess' export const name = 'subagent-spawn' +// `tools` is deliberately NOT injected: the shared driver's structured runtime +// (acquired per structured RUN, not at apply) gates its own capture-tool +// registration on `tools` availability, so this backend's apply timing — and +// with it the provider-mirroring delegation tool's position in the +// model-visible tool list — stays what it was before structured output existed. export const inject = ['subagents', 'agents'] /** Config: the registry name to register the provider under. */ @@ -34,17 +44,21 @@ export const Config: z<Config> = z.object({ /** * The spawn provider. Supports `depthLimit` (it constructs the child, so it can - * enforce a recursion cap) but NOT `outputSchema` or `toolFilter` in this cut — - * a request that needs either is rejected by the service before `start` runs. + * enforce a recursion cap) and `outputSchema` (via the shared in-process + * structured runtime); NOT `toolFilter` in this cut — a request that needs it + * is rejected by the service before `start` runs. */ class SpawnProvider implements SubagentProvider { - readonly capabilities: SubagentCapabilities = { outputSchema: false, depthLimit: true, toolFilter: false } + readonly capabilities: SubagentCapabilities = { outputSchema: true, depthLimit: true, toolFilter: false } + // Context contract: a spawned child starts fresh — it never sees the parent conversation. + readonly inheritsParentContext = false constructor(readonly name: string, private readonly ctx: Context) {} start(request: SubagentStartRequest) { // Fresh child: no seed. The shared driver mints ids, stamps cwd/lineage/ - // depth, drives the one-shot, and maps the result. + // depth, drives the one-shot (including the structured capture when the + // request carries an outputSchema), and maps the result. return startInProcessRun(this.ctx, request, { providerName: this.name }) } } diff --git a/packages/subagent/subagent-spawn/tests/harness.ts b/packages/subagent/subagent-spawn/tests/harness.ts index ff551cfc3f..b3e9d4ec24 100644 --- a/packages/subagent/subagent-spawn/tests/harness.ts +++ b/packages/subagent/subagent-spawn/tests/harness.ts @@ -23,7 +23,10 @@ export async function spawnHarness(workdir: string): Promise<Context> { const ctx = new Context() await ctx.plugin(LlmService) await ctx.plugin(SessionStore) - await ctx.plugin(SystemPrompt) + // The deployment persona is context-wide (parent AND spawned children + // render it), so it stays neutral for both roles; the delegation nudge + // lives in the e2e's user prompt and the subagent tool's own description. + await ctx.plugin(SystemPrompt, { persona: 'You are a coding agent. Report only when the requested work is done.' }) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) await ctx.plugin(AgentLoop, { agents: [] }) diff --git a/packages/subagent/subagent-spawn/tests/spawn.e2e.ts b/packages/subagent/subagent-spawn/tests/spawn.e2e.ts index 8179027976..daa032199e 100644 --- a/packages/subagent/subagent-spawn/tests/spawn.e2e.ts +++ b/packages/subagent/subagent-spawn/tests/spawn.e2e.ts @@ -29,11 +29,7 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('spawn backend with-key smoke', ( it('a parent delegates to a child that writes a file on disk', async () => { workdir = await mkdtemp(join(tmpdir(), 'dsh-subagent-spawn-e2e-')) ctx = await spawnHarness(workdir) - const parent = ctx.agentLoop.create(AgentId('e2e-parent'), { - model: 'deepseek-v4-flash', - systemPrompt: 'You are an orchestrator. To do file work, delegate to a subagent with the `subagent` tool — ' - + 'give it a complete, standalone instruction. Report only when done.', - }) + const parent = ctx.agentLoop.create(AgentId('e2e-parent'), { model: 'deepseek-v4-flash' }) parent.send([{ type: 'text', text: 'Use the subagent tool to delegate this exact task: "Use the bash tool to write the text ' diff --git a/packages/subagent/subagent-spawn/tests/subagent-spawn.spec.ts b/packages/subagent/subagent-spawn/tests/subagent-spawn.spec.ts index ccfd6492f4..1dad9748e9 100644 --- a/packages/subagent/subagent-spawn/tests/subagent-spawn.spec.ts +++ b/packages/subagent/subagent-spawn/tests/subagent-spawn.spec.ts @@ -10,9 +10,9 @@ import { SessionId } from '@deepseek-ai/dsh-session' import AgentLoop from '@deepseek-ai/dsh-agent-loop' import * as Invariants from '@deepseek-ai/dsh-invariants' import SubagentService from '@deepseek-ai/dsh-subagent' -import { MockAdapter, maxTokensResponse, textResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +import { MockAdapter, maxTokensResponse, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' import * as spawn from '../src/index.ts' -import { depthOf, SubagentDepthError } from '@deepseek-ai/dsh-subagent-inprocess' +import { depthOf, STRUCTURED_OUTPUT_TOOL, SubagentDepthError } from '@deepseek-ai/dsh-subagent-inprocess' type Script = ConstructorParameters<typeof MockAdapter>[0] @@ -241,10 +241,10 @@ describe('dsh-subagent-spawn', () => { await parentHandle.dispose() }) - it('advertises depthLimit but not outputSchema/toolFilter', async () => { + it('advertises depthLimit and outputSchema but not toolFilter', async () => { const { ctx } = await setup([]) const provider = ctx.subagents.getProvider('spawn')! - expect(provider.capabilities).toEqual({ outputSchema: false, depthLimit: true, toolFilter: false }) + expect(provider.capabilities).toEqual({ outputSchema: true, depthLimit: true, toolFilter: false }) }) it('unregisters the provider when its fiber is disposed (HMR safety)', async () => { @@ -257,6 +257,54 @@ describe('dsh-subagent-spawn', () => { expect(ctx.subagents.list()).toEqual([]) }) + it('captures structured output through the shipped plugin (driver runtime, plugin wiring)', async () => { + const { ctx, parent } = await setup([ + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { answer: 42 }), + ]) + const run = ctx.subagents.start('spawn', { + prompt: [{ type: 'text', text: 'produce the answer' }], + parent, + outputSchema: { type: 'object', properties: { answer: { type: 'number' } }, required: ['answer'] }, + }) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.structured).toEqual({ answer: 42 }) + // Run-scoped runtime: the settle released the last acquisition. + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + await run.dispose() + }) + + it('a backend unload mid-structured-run settles the run and releases the runtime', async () => { + // Rebuild the stack by hand so we hold the backend's fiber. + const ctx = new Context() + const adapter = new MockAdapter(['hang']) + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(Invariants) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(SubagentService) + const fiber = await ctx.plugin(spawn, { providerName: 'spawn' }) + ctx.llm.registerAdapter(['mock'], adapter) + const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) + const run = ctx.subagents.start('spawn', { + prompt: [{ type: 'text', text: 'q' }], + parent, + outputSchema: { type: 'object', properties: { a: { type: 'number' } } }, + }) + // Let the child's step start streaming, then unload the backend. The + // backend owns the child agent, so the unload tears the child down and + // the run settles — releasing its own runtime acquisition on the way out. + await new Promise(resolve => setTimeout(resolve, 30)) + await fiber.dispose() + const result = await run.result + expect(result.stopReason).toBe('error') + expect(ctx.tools.get(STRUCTURED_OUTPUT_TOOL)).toBeUndefined() + await run.dispose() + }) + it('has the namespace-plugin export shape (no stray default)', () => { expect('default' in spawn).toBe(false) expect(spawn.name).toBe('subagent-spawn') diff --git a/packages/subagent/subagent-subprocess/README.md b/packages/subagent/subagent-subprocess/README.md new file mode 100644 index 0000000000..ccc68bf31b --- /dev/null +++ b/packages/subagent/subagent-subprocess/README.md @@ -0,0 +1,40 @@ +# @deepseek-ai/dsh-subagent-subprocess + +Shared machinery for **out-of-process subagent backends** — providers that spawn an external agent as a child process, such as the [ACP backend](../subagent-acp/README.md). A pure library (no provider, no registration, no Config): what every spawn-a-CLI-child backend needs to keep the parent deployment's credentials out of the child, tear the child down to quiescence, and isolate it from the host user's on-disk CLI state. Design rationale: [the Claude Code / Codex subagent backends RFC](../../../docs/rfc/proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md). + +Every tunable is a **parameter**: the dispose ladder takes its grace periods per call, the config-dir helper takes an optional pinned path. Defaults live in each consuming plugin's Config (defaulted, validated fields changeable from `cordis.yml`), never in this library. + +## What it exports + +### `SENSITIVE_ENV_PATTERN` / `buildChildEnv(extra)` + +The credential env scrub (same pattern as the [bash executor](../../bash/bash-local/README.md)): the child env is the ambient env minus credential-shaped vars (`/KEY|SECRET|TOKEN/i`), with `extra` layered on top AFTER the scrub. `PATH`, `HOME`, `TMPDIR`, locale, and proxy vars survive, so the child CLI runs normally; the parent's own secrets never leak implicitly, while an explicitly supplied credential (the child's OWN key in a backend's `env` config) still reaches the child. + +### `spawnFailure(child)` + +Spawn-failure capture: a promise that resolves (never rejects) with the child's first `error` event. A spawn failure such as `ENOENT` is an event, not a thrown exception — without a listener Node crashes the parent process — so call this in the same tick as `spawn()` and race it in the run's result path; a bad command then settles as an ordinary child-level failure. For a child that spawns cleanly the promise never settles. + +### `waitForExit(child)` / `exitsWithin(child, ms)` + +Exit waits over a `ChildProcess`: resolve once the child exits by any code or signal (immediately if it is already gone), or race that against a timer (`true` = exited in time). The race cleans up after itself on both outcomes — the pending timer is `unref()`ed and cleared on exit, the exit listener removed on timeout — so repeated calls (the dispose ladder's tiers, a poll loop) never accumulate listeners on the child. + +### `disposeChildProcess(child, graces)` + +The three-tier dispose ladder. Resolves only once the child has ACTUALLY exited — quiescence reached, not merely requested (see [defensive patterns](../../../docs/defensive-patterns.md)): + +1. stdin EOF (when stdin is piped), then wait `graces.disposeEofGraceMs` — a cooperative child quiesces on its own, its flushes and nested-subprocess teardown intact; +2. `SIGTERM`, then wait `graces.disposeGraceMs`; +3. `SIGKILL`, then await the now-certain exit — a child that ignores EOF and traps `SIGTERM` cannot wedge dispose forever. + +The two graces (`DisposeLadderGraces`) come from the consuming plugin's `disposeEofGraceMs`/`disposeGraceMs` Config fields; the EOF window is deliberately a separate — usually wider — grace than the signal tier, since a cooperative child's EOF teardown may itself await a signal-trapping grandchild plus a final flush. + +### `createIsolatedConfigDir(prefix, pinnedPath?)` + +A per-run isolated config directory for an external CLI child (the target of `CLAUDE_CONFIG_DIR` / `CODEX_HOME`-style redirection), so child behavior is a function of deployment config alone — never of whatever `~/.claude` / `~/.codex`-style state exists on the host. Returns an `IsolatedConfigDir` handle: `path` goes into the child env, `remove()` runs on dispose. + +- **Fresh (default)**: a private (0700) `mkdtemp` dir under the OS temp root; `remove()` deletes it best-effort (never rejects — a leftover temp dir beats a failed dispose) and is idempotent. +- **Pinned** (`pinnedPath` set): the path is returned as-is — never created, never removed. A deployment that pins a directory to share child state across runs owns that directory's lifecycle. + +## Testing + +`tests/subagent-subprocess.spec.ts`: the env scrub and config-dir helpers run against the real process env and real filesystem (the rm-failure path injects its rejection at the fs boundary — a real recursive-rm failure is not portably provokable, and root ignores permission bits); the exit waits and the dispose ladder run against a scriptable fake child, driving each escalation tier deterministically. The [ACP backend suite](../subagent-acp/README.md) exercises the same ladder against real subprocesses (EOF-cooperative, EOF-ignoring, and SIGTERM-trapping children) end to end. diff --git a/packages/subagent/subagent-subprocess/package.json b/packages/subagent/subagent-subprocess/package.json new file mode 100644 index 0000000000..68f525dd8e --- /dev/null +++ b/packages/subagent/subagent-subprocess/package.json @@ -0,0 +1,30 @@ +{ + "name": "@deepseek-ai/dsh-subagent-subprocess", + "description": "Shared out-of-process subagent machinery: credential env scrub, spawn-failure capture, child-exit waits, the EOF-to-SIGTERM-to-SIGKILL dispose ladder, and isolated config dirs (pure lib; registers nothing)", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/subagent/subagent-subprocess/src/index.ts b/packages/subagent/subagent-subprocess/src/index.ts new file mode 100644 index 0000000000..35d7383456 --- /dev/null +++ b/packages/subagent/subagent-subprocess/src/index.ts @@ -0,0 +1,219 @@ +/** + * Shared machinery for OUT-OF-PROCESS subagent backends — providers that spawn + * an external agent as a child process and must keep the parent deployment's + * credentials out of it, tear it down to quiescence, and isolate it from the + * host user's on-disk CLI state. The pieces: the credential env scrub + * ({@link SENSITIVE_ENV_PATTERN} / {@link buildChildEnv}), the spawn-failure + * capture ({@link spawnFailure}), the child-exit waits ({@link waitForExit} / + * {@link exitsWithin}), the stdin-EOF → SIGTERM → SIGKILL dispose ladder + * ({@link disposeChildProcess}), and the per-run isolated config dir + * ({@link createIsolatedConfigDir}). + * + * This package owns no provider and registers nothing; it is a pure library + * the out-of-process backend packages depend on (the `subagent-inprocess` + * shape, for the process boundary). Every tunable — the ladder's grace + * periods, a pinned config dir — is a PARAMETER here: defaults belong in each + * consuming plugin's Config, per the no-hardcoded-tunables rule. + * + * @module @deepseek-ai/dsh-subagent-subprocess + */ + +import type { ChildProcess } from 'node:child_process' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' + +/** + * Credential-shaped ambient env vars are NOT forwarded to a child by default + * (the parent harness's own `DEEPSEEK_API_KEY`/secrets must not leak into a + * spawned process implicitly). Same pattern as the bash executor. The child + * agent needs its OWN credentials to reach a model — those are supplied + * explicitly via the `extra` layer of {@link buildChildEnv}, which lands AFTER + * the scrub, so an intended `DEEPSEEK_API_KEY` survives while an incidental + * `AWS_SECRET_ACCESS_KEY` does not. + */ +export const SENSITIVE_ENV_PATTERN = /KEY|SECRET|TOKEN/i + +/** + * The ambient env minus credential-shaped vars, plus the caller's explicit + * env. `PATH`, `HOME`, `TMPDIR`, locale, and proxy vars survive the scrub, so + * a child CLI runs normally; only {@link SENSITIVE_ENV_PATTERN}-shaped names + * are dropped. + * @param extra - explicit vars layered on top AFTER the scrub, so a + * credential-shaped name supplied deliberately still reaches the child. + * @returns the environment to spawn the child with. + */ +export function buildChildEnv(extra: Record<string, string>): NodeJS.ProcessEnv { + const env: NodeJS.ProcessEnv = {} + for (const [key, value] of Object.entries(process.env)) { + if (!SENSITIVE_ENV_PATTERN.test(key)) env[key] = value + } + return { ...env, ...extra } +} + +/** + * Capture the child's spawn-level failure as a promise the run's result path + * can race. A spawn failure (e.g. `ENOENT` for a bad command) is emitted as an + * `error` EVENT, not a thrown exception — and without a listener Node treats + * it as an unhandled error and crashes the parent process. Call this in the + * SAME TICK as `spawn()`, so no window exists for the event to fire unheard. + * @param child - the just-spawned child process. + * @returns a promise that RESOLVES (never rejects) with the child's first + * `error` event; for a child that spawns cleanly it never settles. + */ +export function spawnFailure(child: ChildProcess): Promise<Error> { + return new Promise<Error>((resolve) => { + child.once('error', (err) => { resolve(err) }) + }) +} + +/** + * Resolve once the child process exits (any code/signal); immediate if it is + * already gone. + * @param child - the child process to await. + */ +export function waitForExit(child: ChildProcess): Promise<void> { + if (child.exitCode !== null || child.signalCode !== null) return Promise.resolve() + return new Promise<void>(resolve => child.once('exit', () => { resolve() })) +} + +/** + * Race the child's exit against a timer. Neither outcome leaves anything + * behind on the child: the exit listener is removed on timeout and the timer + * is cleared on exit, so repeated calls (the dispose ladder's tiers, a poll + * loop) never accumulate listeners. + * @param child - the child process to watch. + * @param ms - the wait window in milliseconds. + * @returns `true` if the child exits within `ms` (immediately if it is + * already gone), `false` on timeout. + */ +export function exitsWithin(child: ChildProcess, ms: number): Promise<boolean> { + if (child.exitCode !== null || child.signalCode !== null) return Promise.resolve(true) + return new Promise<boolean>((resolve) => { + const onExit = (): void => { + clearTimeout(timer) + resolve(true) + } + // `.unref()` so a pending grace timer never keeps the parent's loop alive. + const timer = setTimeout(() => { + child.removeListener('exit', onExit) + resolve(false) + }, ms).unref() + child.once('exit', onExit) + }) +} + +/** + * The two grace periods of the dispose ladder, supplied per call by the + * consuming backend — each plugin carries them as defaulted, validated + * `disposeEofGraceMs`/`disposeGraceMs` Config fields, so teardown timing is + * deployment-tunable and this library hardcodes nothing. + */ +export interface DisposeLadderGraces { + /** + * Tier-1 window (ms): after stdin EOF, how long the child gets to quiesce + * ON ITS OWN — flush durable state, tear down its own nested subprocesses — + * before the parent escalates to `SIGTERM`. A separate (usually WIDER) + * grace than {@link DisposeLadderGraces.disposeGraceMs}: a cooperative + * child's EOF-driven teardown may itself be waiting on a signal-trapping + * grandchild plus a final flush, needing more than one signal-grace of + * headroom. + */ + disposeEofGraceMs: number + /** Tier-2 window (ms): between `SIGTERM` and the `SIGKILL` escalation. */ + disposeGraceMs: number +} + +/** + * Tear a child process down to QUIESCENCE: resolves only once the child has + * actually exited (or was already gone), never merely after requesting it. + * Three-tier escalation — + * + * 1. stdin EOF (when stdin is piped), then wait `disposeEofGraceMs`: a + * cooperative child quiesces on its own, its teardown and flushes intact; + * 2. `SIGTERM`, then wait `disposeGraceMs`; + * 3. `SIGKILL`, then await the (now-certain) exit — a child that ignores EOF + * and traps `SIGTERM` must not wedge dispose forever. + * + * @param child - the child process to tear down. + * @param graces - the two grace periods, from the consuming plugin's Config. + */ +export async function disposeChildProcess(child: ChildProcess, graces: DisposeLadderGraces): Promise<void> { + // Already gone: nothing to reap. + if (child.exitCode !== null || child.signalCode !== null) return + // 1. Graceful: end the request stream (stdin EOF) and let the child quiesce + // on its own. Sending SIGTERM in the same tick (or too soon) would + // default-terminate a cooperative child mid-flush, orphaning its nested + // work. A child spawned without a stdin pipe skips straight to the wait. + child.stdin?.end() + if (await exitsWithin(child, graces.disposeEofGraceMs)) return + // 2. SIGTERM, escalating if the child still does not exit within the grace. + child.kill('SIGTERM') + if (await exitsWithin(child, graces.disposeGraceMs)) return + // 3. Force-kill and await the (now-certain) exit. + child.kill('SIGKILL') + await waitForExit(child) +} + +/** + * A per-run config directory handle for an external CLI child — the target of + * `CLAUDE_CONFIG_DIR` / `CODEX_HOME`-style redirection. Hand {@link path} to + * the child's environment; call {@link remove} on dispose. + */ +export interface IsolatedConfigDir { + /** The directory to point the child at. */ + path: string + /** + * Best-effort cleanup: removes the directory (recursively) iff this handle + * CREATED it — a pinned directory is never removed. Idempotent; never + * rejects (a leftover dir under the OS temp root is preferable to a failed + * dispose). + */ + remove(): Promise<void> +} + +/** + * An isolated config dir for one child run, so the child's behavior is a + * function of deployment config alone — never of whatever `~/.claude` / + * `~/.codex`-style state happens to exist on the host machine. Two modes: + * + * - no `pinnedPath` (the default): creates a FRESH private (0700) `mkdtemp` + * dir under the OS temp root; {@link IsolatedConfigDir.remove} deletes it + * best-effort; + * - `pinnedPath` set (a deployment deliberately sharing state across runs): + * the pinned path is returned as-is — never created, never removed — the + * deployment owns that directory's lifecycle. + * + * @param prefix - the `mkdtemp` name prefix for a fresh dir (e.g. + * `dsh-subagent-codex-`); ignored when `pinnedPath` is set. + * @param pinnedPath - a deployment-pinned directory to use instead of a + * fresh one. + * @returns the directory handle: `path` for the child env, `remove()` for + * dispose. + */ +export async function createIsolatedConfigDir(prefix: string, pinnedPath?: string): Promise<IsolatedConfigDir> { + if (pinnedPath !== undefined) { + return { + path: pinnedPath, + remove(): Promise<void> { + // A pinned dir is deployment-owned state (config the user asked to + // persist across runs); removing it here would destroy it. No-op. + return Promise.resolve() + }, + } + } + const path = await mkdtemp(join(tmpdir(), prefix)) + return { + path, + async remove(): Promise<void> { + try { + await rm(path, { recursive: true, force: true }) + } catch { + // Best-effort by contract: swallows rm failures (EACCES/EBUSY-style — + // e.g. the dead child left an unreadable entry behind). The dir lives + // under the OS temp root, which reclaims it; failing dispose over + // cleanup would be worse than a leftover temp dir. + } + }, + } +} diff --git a/packages/subagent/subagent-subprocess/tests/subagent-subprocess.spec.ts b/packages/subagent/subagent-subprocess/tests/subagent-subprocess.spec.ts new file mode 100644 index 0000000000..2766ed0a41 --- /dev/null +++ b/packages/subagent/subagent-subprocess/tests/subagent-subprocess.spec.ts @@ -0,0 +1,326 @@ +import { describe, expect, it, vi } from 'vitest' +import { EventEmitter } from 'node:events' +import { existsSync } from 'node:fs' +import { mkdtemp, rm, stat, writeFile } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import type { ChildProcess } from 'node:child_process' +import { + buildChildEnv, + createIsolatedConfigDir, + disposeChildProcess, + exitsWithin, + SENSITIVE_ENV_PATTERN, + spawnFailure, + waitForExit, +} from '../src/index.ts' + +// `rm` is wrapped (real-passthrough by default) so ONE test can inject a +// rejection deterministically. A real recursive-rm failure is not portably +// provokable — permission tricks (a chmod-000 subtree) fail only for +// unprivileged users and are ignored by root — so this is the fs boundary +// the testing policy sanctions mocking; everything else stays the real fs. +vi.mock('node:fs/promises', async (importOriginal) => { + const actual = await importOriginal<typeof import('node:fs/promises')>() + return { ...actual, rm: vi.fn(actual.rm) } +}) + +/** + * Unit tests for the shared out-of-process machinery. The env scrub and the + * isolated-config-dir helpers run against the REAL process env and REAL + * filesystem (one exception: the rm-failure path injects its rejection at the + * mocked fs boundary, see above); the exit waits and the dispose ladder run + * against a scriptable fake child so each escalation tier's timing is driven + * deterministically (the ACP backend's suite exercises the same ladder + * against real subprocesses end to end). + */ + +/** What fells a scripted {@link FakeChild}. */ +type LethalTrigger = 'eof' | NodeJS.Signals + +/** Per-scenario script for a {@link FakeChild}. */ +interface FakeChildScript { + /** + * The one trigger that makes the child exit (SIGKILL always does, + * uncatchable, like a real process). Omitted: only SIGKILL fells it. + */ + diesOn?: LethalTrigger + /** Delay (ms) between the lethal trigger and the exit event. */ + delayMs?: number + /** `false` models a child spawned without a stdin pipe. */ + stdin?: boolean +} + +/** + * A scriptable stand-in for a ChildProcess carrying exactly the surface the + * helpers read: `exitCode`/`signalCode`, `stdin.end()`, `kill()`, and the + * `exit` event. + */ +class FakeChild extends EventEmitter { + exitCode: number | null = null + signalCode: NodeJS.Signals | null = null + readonly kills: NodeJS.Signals[] = [] + stdinEnded = false + readonly stdin: { end: () => void } | null + + constructor(private readonly script: FakeChildScript = {}) { + super() + this.stdin = script.stdin === false + ? null + : { end: () => { this.stdinEnded = true; this.maybeDie('eof') } } + } + + kill(signal: NodeJS.Signals): boolean { + this.kills.push(signal) + this.maybeDie(signal) + return true + } + + private maybeDie(trigger: LethalTrigger): void { + // SIGKILL is uncatchable — it always fells the child; any other trigger + // only when the scenario scripts it as the lethal one. + if (trigger !== 'SIGKILL' && this.script.diesOn !== trigger) return + setTimeout(() => { + if (trigger === 'eof') this.exitCode = 0 + else this.signalCode = trigger + this.emit('exit', this.exitCode, this.signalCode) + }, this.script.delayMs ?? 0) + } +} + +/** The helpers take a real ChildProcess; the fake carries the read surface. */ +function asChild(fake: FakeChild): ChildProcess { + return fake as unknown as ChildProcess +} + +describe('buildChildEnv / SENSITIVE_ENV_PATTERN', () => { + it('drops credential-shaped ambient vars (KEY/SECRET/TOKEN, case-insensitive)', () => { + process.env.DSH_PROC_TEST_API_KEY = 'leak' + process.env.dsh_proc_test_secret = 'leak' + process.env.DSH_PROC_TEST_TOKEN = 'leak' + try { + const env = buildChildEnv({}) + expect(env.DSH_PROC_TEST_API_KEY).toBeUndefined() + expect(env.dsh_proc_test_secret).toBeUndefined() + expect(env.DSH_PROC_TEST_TOKEN).toBeUndefined() + } finally { + delete process.env.DSH_PROC_TEST_API_KEY + delete process.env.dsh_proc_test_secret + delete process.env.DSH_PROC_TEST_TOKEN + } + }) + + it('forwards normal ambient vars', () => { + expect(SENSITIVE_ENV_PATTERN.test('PATH')).toBe(false) + expect(buildChildEnv({}).PATH).toBe(process.env.PATH) + }) + + it('layers extras AFTER the scrub, so a deliberate credential-shaped name survives', () => { + process.env.DSH_PROC_TEST_EXTRA_TOKEN = 'ambient-leak' + try { + const env = buildChildEnv({ DSH_PROC_TEST_EXTRA_TOKEN: 'explicit' }) + // The ambient value was scrubbed; ONLY the explicit opt-in reaches the child. + expect(env.DSH_PROC_TEST_EXTRA_TOKEN).toBe('explicit') + } finally { + delete process.env.DSH_PROC_TEST_EXTRA_TOKEN + } + }) + + it('an extra overrides the ambient value of a non-credential var', () => { + process.env.DSH_PROC_TEST_PLAIN = 'ambient' + try { + expect(buildChildEnv({ DSH_PROC_TEST_PLAIN: 'override' }).DSH_PROC_TEST_PLAIN).toBe('override') + } finally { + delete process.env.DSH_PROC_TEST_PLAIN + } + }) +}) + +describe('spawnFailure', () => { + it('resolves (never rejects) with the first error event', async () => { + const fake = new FakeChild() + const failure = spawnFailure(asChild(fake)) + const err = new Error('spawn ENOENT') + fake.emit('error', err) + await expect(failure).resolves.toBe(err) + }) + + it('never settles for a child that spawns cleanly and exits', async () => { + const fake = new FakeChild({ diesOn: 'SIGTERM' }) + const failure = spawnFailure(asChild(fake)) + fake.kill('SIGTERM') + await waitForExit(asChild(fake)) + // A clean lifecycle emits `exit`, never `error` — the capture stays + // pending forever, so a race against it is decided by the other arms. + const settled = await Promise.race([ + failure.then(() => 'settled'), + new Promise<string>(resolve => setTimeout(() => { resolve('pending') }, 30)), + ]) + expect(settled).toBe('pending') + }) +}) + +describe('waitForExit / exitsWithin', () => { + it('resolves immediately for a child that already exited by code', async () => { + const fake = new FakeChild() + fake.exitCode = 0 + await expect(waitForExit(asChild(fake))).resolves.toBeUndefined() + }) + + it('resolves immediately for a child that already died by signal', async () => { + const fake = new FakeChild() + fake.signalCode = 'SIGTERM' + await expect(waitForExit(asChild(fake))).resolves.toBeUndefined() + }) + + it('resolves on the exit event of a live child', async () => { + const fake = new FakeChild({ diesOn: 'SIGTERM', delayMs: 5 }) + const exited = waitForExit(asChild(fake)) + fake.kill('SIGTERM') + await expect(exited).resolves.toBeUndefined() + expect(fake.signalCode).toBe('SIGTERM') + }) + + it('exitsWithin resolves true immediately for an already-exited child (no listener attached)', async () => { + const fake = new FakeChild() + fake.exitCode = 0 + await expect(exitsWithin(asChild(fake), 1000)).resolves.toBe(true) + expect(fake.listenerCount('exit')).toBe(0) + }) + + it('exitsWithin resolves true when the child exits inside the window', async () => { + const fake = new FakeChild({ diesOn: 'SIGTERM', delayMs: 5 }) + fake.kill('SIGTERM') + await expect(exitsWithin(asChild(fake), 1000)).resolves.toBe(true) + // The once-listener fired and the grace timer was cleared — nothing lingers. + expect(fake.listenerCount('exit')).toBe(0) + }) + + it('exitsWithin resolves false on timeout for a child that never exits', async () => { + const fake = new FakeChild() // nothing short of SIGKILL fells it; no signal sent + await expect(exitsWithin(asChild(fake), 20)).resolves.toBe(false) + // The timeout arm removed its exit listener: repeated waits (a poll loop, + // the ladder's tiers) never accumulate listeners on the same child. + expect(fake.listenerCount('exit')).toBe(0) + }) +}) + +describe('disposeChildProcess', () => { + it('returns immediately for an already-exited child (no EOF, no signals)', async () => { + const fake = new FakeChild() + fake.exitCode = 0 + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 1000, disposeGraceMs: 1000 }) + expect(fake.stdinEnded).toBe(false) + expect(fake.kills).toEqual([]) + }) + + it('returns immediately for a child already dead by signal', async () => { + const fake = new FakeChild() + fake.signalCode = 'SIGKILL' + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 1000, disposeGraceMs: 1000 }) + expect(fake.stdinEnded).toBe(false) + expect(fake.kills).toEqual([]) + }) + + it('tier 1: a cooperative child quiesces on stdin EOF — no signal is ever sent', async () => { + const fake = new FakeChild({ diesOn: 'eof', delayMs: 5 }) + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 1000, disposeGraceMs: 1000 }) + expect(fake.stdinEnded).toBe(true) + expect(fake.kills).toEqual([]) + expect(fake.exitCode).toBe(0) + }) + + it('tier 2: a child that ignores EOF but honors SIGTERM dies on the middle rung', async () => { + const fake = new FakeChild({ diesOn: 'SIGTERM', delayMs: 5 }) + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 20, disposeGraceMs: 1000 }) + expect(fake.stdinEnded).toBe(true) + expect(fake.kills).toEqual(['SIGTERM']) + expect(fake.signalCode).toBe('SIGTERM') + }) + + it('tier 3: a SIGTERM-trapping child is SIGKILLed, and dispose resolves only after the exit', async () => { + const fake = new FakeChild({ delayMs: 5 }) // only SIGKILL fells it + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 20, disposeGraceMs: 20 }) + expect(fake.kills).toEqual(['SIGTERM', 'SIGKILL']) + // Quiescence, not a request: at resolution the child has ACTUALLY exited + // (the exit event landed, despite the scripted post-SIGKILL delay). + expect(fake.signalCode).toBe('SIGKILL') + }) + + it('walks the ladder for a child spawned without a stdin pipe', async () => { + const fake = new FakeChild({ stdin: false, diesOn: 'SIGTERM', delayMs: 5 }) + await disposeChildProcess(asChild(fake), { disposeEofGraceMs: 20, disposeGraceMs: 1000 }) + expect(fake.kills).toEqual(['SIGTERM']) + }) +}) + +describe('createIsolatedConfigDir', () => { + it('creates a fresh private mkdtemp dir under the OS temp root', async () => { + const dir = await createIsolatedConfigDir('dsh-subagent-subprocess-test-') + try { + expect(dir.path.startsWith(join(tmpdir(), 'dsh-subagent-subprocess-test-'))).toBe(true) + const st = await stat(dir.path) + expect(st.isDirectory()).toBe(true) + // Private (0700) per the defensive-patterns temp-dir rule. + expect(st.mode & 0o777).toBe(0o700) + } finally { + await dir.remove() + } + }) + + it('creates a distinct dir per call (per-run isolation)', async () => { + const a = await createIsolatedConfigDir('dsh-subagent-subprocess-test-') + const b = await createIsolatedConfigDir('dsh-subagent-subprocess-test-') + try { + expect(a.path).not.toBe(b.path) + } finally { + await a.remove() + await b.remove() + } + }) + + it('remove() deletes a fresh dir recursively and is idempotent', async () => { + const dir = await createIsolatedConfigDir('dsh-subagent-subprocess-test-') + await writeFile(join(dir.path, 'settings.json'), '{}') + await dir.remove() + expect(existsSync(dir.path)).toBe(false) + // Second remove: nothing left to delete, still resolves. + await expect(dir.remove()).resolves.toBeUndefined() + }) + + it('returns a pinned dir verbatim and NEVER removes it', async () => { + const pinned = await mkdtemp(join(tmpdir(), 'dsh-subagent-subprocess-pinned-')) + try { + const dir = await createIsolatedConfigDir('ignored-prefix-', pinned) + expect(dir.path).toBe(pinned) + await dir.remove() + // The deployment owns a pinned dir's lifecycle — remove() must not touch it. + expect(existsSync(pinned)).toBe(true) + } finally { + await rm(pinned, { recursive: true, force: true }) + } + }) + + it('does not create a missing pinned path (the deployment owns its lifecycle)', async () => { + const missing = join(tmpdir(), `dsh-subagent-subprocess-missing-${process.pid}`) + const dir = await createIsolatedConfigDir('ignored-prefix-', missing) + expect(dir.path).toBe(missing) + expect(existsSync(missing)).toBe(false) + await dir.remove() + expect(existsSync(missing)).toBe(false) + }) + + it('remove() is best-effort: an rm rejection resolves instead of rejecting', async () => { + const dir = await createIsolatedConfigDir('dsh-subagent-subprocess-locked-') + try { + // The swallow contract is error-kind agnostic; EACCES stands in for the + // family (EBUSY, a vanished mount, …) that best-effort must absorb. + vi.mocked(rm).mockRejectedValueOnce(Object.assign(new Error('EACCES: permission denied'), { code: 'EACCES' })) + await expect(dir.remove()).resolves.toBeUndefined() + // The injected rejection consumed the only rm call — nothing was deleted. + expect(existsSync(dir.path)).toBe(true) + } finally { + await rm(dir.path, { recursive: true, force: true }) + } + }) +}) diff --git a/packages/subagent/subagent-subprocess/tsconfig.json b/packages/subagent/subagent-subprocess/tsconfig.json new file mode 100644 index 0000000000..749cb0208e --- /dev/null +++ b/packages/subagent/subagent-subprocess/tsconfig.json @@ -0,0 +1,11 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [] +} diff --git a/packages/subagent/subagent/README.md b/packages/subagent/subagent/README.md index 3b72971dc1..8bab4c61c9 100644 --- a/packages/subagent/subagent/README.md +++ b/packages/subagent/subagent/README.md @@ -28,11 +28,13 @@ Unlike the bash seam (one executor per context, second load throws), **multiple - **Start-time features** (`outputSchema`, `depthLimit`, `toolFilter`) are a static `provider.capabilities` descriptor, checked by the service BEFORE a run exists. A request that needs one the provider lacks is **rejected loud** (`UNSUPPORTED_CAPABILITY`), never accepted-then-ignored. - **Runtime features** (steering, resume) are **optional methods** on `SubagentRun` (`sendMessage?`, `resume?`). The method's presence IS the capability; TS narrowing is the discovery mechanism — a consumer cannot call an absent method without narrowing first, so there is no silent degradation path. +Beside `capabilities` sits one DESCRIPTIVE fact, not validated by the service: `provider.inheritsParentContext` — whether a child sees the parent conversation (`fork`: true — seeded with the completed-turn prefix; `spawn`/`acp`: false). The model-facing consumer (`dsh-tool-subagent`) derives truthful tool wording from it. + ## Run lifecycle `provider.start(request)` returns a `SubagentRun`: a handle with a `result` promise, `cancel()`, `dispose()`, and the optional runtime methods. `result` resolves with a `SubagentResult` (`output`, optional `structured`, `stopReason`) — it does **not** reject on a child-level failure (a model/transport failure resolves with `stopReason: 'error'`), so the consumer maps a non-`completed` reason to an `isError` tool result. The consumer MUST `dispose()` on every path (success, error, abort) to reach child quiescence and avoid leaking an idle child / session. -The service emits `subagent/start` (payload `SubagentRunInfo`) and `subagent/end` (payload `SubagentRunEndInfo`) around the run — both **observe-only** (plain `emit`s; `subagent/end` fires from a detached `.then` and awaits no listener). `subagent/end` carries `lastAssistantMessage` (a deep clone of the child's final `output`) on the settle path, absent when the run rejected at the infrastructure level. The clone keeps the surface observe-only: the end emit fires from a detached `.then` before the caller's `await run.result` resumes, so a shared reference would let a mutating listener corrupt the caller's result. A `subagent/start` listener can still reach the live child via `ctx.agents.get(info.id)`; a `subagent/end` listener can only observe (the run has settled). Any run-affecting decision (continuation, injection that changes the run) is out of scope for this observe-only surface. +The service also announces provider lifecycle: `subagent/provider-added` (the live provider) fires after a registration and `subagent/provider-removed` (the name) after an unregistration, so a consumer deriving state from a named provider (the model-facing tool wording) mirrors registry membership instead of assuming load order — the cordis Loader starts sibling plugins concurrently, so "listed earlier" does not mean "registered earlier". The service emits `subagent/start` (payload `SubagentRunInfo`) and `subagent/end` (payload `SubagentRunEndInfo`) around the run — both **observe-only** (plain `emit`s; `subagent/end` fires from a detached `.then` and awaits no listener). `subagent/end` carries `lastAssistantMessage` (a deep clone of the child's final `output`) on the settle path, absent when the run rejected at the infrastructure level. The clone keeps the surface observe-only: the end emit fires from a detached `.then` before the caller's `await run.result` resumes, so a shared reference would let a mutating listener corrupt the caller's result. A `subagent/start` listener can still reach the live child via `ctx.agents.get(info.id)`; a `subagent/end` listener can only observe (the run has settled). Any run-affecting decision (continuation, injection that changes the run) is out of scope for this observe-only surface. ## Scope (first cut) diff --git a/packages/subagent/subagent/src/index.ts b/packages/subagent/subagent/src/index.ts index b0514edcac..91230b7ff4 100644 --- a/packages/subagent/subagent/src/index.ts +++ b/packages/subagent/subagent/src/index.ts @@ -60,6 +60,27 @@ declare module 'cordis' { } interface Events { + /** + * A provider became resolvable in the {@link SubagentService} registry. + * Consumers that derive state from a named provider (e.g. the model-facing + * tool wording in `dsh-tool-subagent`) react HERE instead of assuming load + * order — the cordis Loader starts sibling plugins concurrently, so + * "listed earlier in cordis.yml" does not mean "registered earlier". + * @param provider - the provider that just registered, live in the registry. + * @mode emit + */ + 'subagent/provider-added'(provider: SubagentProvider): void + /** + * A provider left the registry (its plugin's fiber was disposed — an + * unload or an HMR reload). Consumers holding provider-derived state drop + * it here; a reload re-fires `subagent/provider-added` with the fresh + * provider. Delivered with per-listener containment: a throwing + * subscriber is logged, never starves later subscribers, and never + * disrupts the provider's teardown. + * @param name - the registry name that no longer resolves. + * @mode emit + */ + 'subagent/provider-removed'(name: string): void /** * A subagent run started — emitted after the provider is resolved and its * capabilities validated, as the child run begins. Paired with @@ -130,7 +151,9 @@ export class SubagentService extends Service { /** * Register a provider under its `provider.name`. Throws {@link SubagentError} * (`DUPLICATE_PROVIDER`) if the name is already taken. Effect-scoped: disposed - * with the calling fiber (HMR-safe). + * with the calling fiber (HMR-safe). Emits `subagent/provider-added` after + * the registration and `subagent/provider-removed` on unregistration, so + * consumers can mirror provider lifecycle instead of assuming load order. * @param provider - the provider; its `name` is the registry key. * @returns the disposer that unregisters the provider. */ @@ -140,9 +163,17 @@ export class SubagentService extends Service { throw new SubagentError(`a subagent provider named "${provider.name}" is already registered`, 'DUPLICATE_PROVIDER') } this.providers.set(provider.name, provider) + // Yield the rollback BEFORE emitting `subagent/provider-added`: a + // throwing added-listener then unregisters the provider (and announces + // the removal) instead of leaking it into the registry. The removal + // announcement itself is contained PER LISTENER ({@link emitLifecycle}): + // it runs inside this disposer, where a propagating subscriber would + // disrupt the backend fiber's teardown and starve later mirrors. yield () => { this.providers.delete(provider.name) + this.emitLifecycle('subagent/provider-removed', provider.name) } + this.ctx.emit('subagent/provider-added', provider) }.bind(this), 'subagents.registerProvider()') // ctx.effect's disposer returns Promise<void>; our disposer API is // synchronous fire-and-forget — discard the (always-resolved) promise. @@ -239,10 +270,22 @@ export class SubagentService extends Service { * on the first throw — so this resolves the listener callbacks via * `ctx.events.dispatch` and contains each call, the same guarantee * `BashExecutor.notifyTaskDone` gives its own listener set. + * + * `subagent/provider-removed` routes through here too: it fires inside the + * provider registration's DISPOSER, where a propagating listener would + * disrupt the backend fiber's teardown (dispose must reach quiescence) and a + * starved later listener would leave a mirror consumer (`dsh-tool-subagent`) + * holding a tool for a provider that no longer exists. `subagent/provider-added` + * deliberately does NOT: it fires at registration time, where a throwing + * listener unwinds the yielded rollback — the same fail-loud register-time + * semantics as the system-prompt registries. */ + private emitLifecycle(name: 'subagent/start', info: SubagentRunInfo): void + private emitLifecycle(name: 'subagent/end', info: SubagentRunEndInfo): void + private emitLifecycle(name: 'subagent/provider-removed', info: string): void private emitLifecycle( - name: 'subagent/start' | 'subagent/end', - info: SubagentRunInfo | SubagentRunEndInfo, + name: 'subagent/start' | 'subagent/end' | 'subagent/provider-removed', + info: SubagentRunInfo | SubagentRunEndInfo | string, ): void { for (const callback of this.ctx.events.dispatch('emit', [name, info])) { try { diff --git a/packages/subagent/subagent/src/types.ts b/packages/subagent/subagent/src/types.ts index fb60d5667c..fb512c0bdb 100644 --- a/packages/subagent/subagent/src/types.ts +++ b/packages/subagent/subagent/src/types.ts @@ -8,7 +8,7 @@ import type { Agent, AgentId, AgentOptions } from '@deepseek-ai/dsh-agent' import type { ContentBlock } from '@deepseek-ai/dsh-llm' -import type { SchemaSpec } from '@deepseek-ai/dsh-tools' +import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' /** * Which START-TIME features a provider supports. Checked by the service @@ -56,12 +56,16 @@ export interface SubagentStartRequest { /** Per-child agent options (model, system prompt). */ agentOptions?: AgentOptions /** - * Optional structured-output schema. When set AND the provider's - * {@link SubagentCapabilities.outputSchema} is `true`, the child's final - * answer is shaped to this schema and surfaced as {@link SubagentResult.structured}. + * Optional structured-output schema — an object-rooted JSON Schema within the + * enforced subset (see `assertSupportedOutputSchema` in dsh-tools; a schema + * outside the subset is rejected loud at start). When set AND the provider's + * {@link SubagentCapabilities.outputSchema} is `true`, the child is driven to + * report a value matching this schema, surfaced as + * {@link SubagentResult.structured}. The schema must be plain host-realm JSON + * data — a caller holding foreign-realm data materializes it first. * Requesting it against a provider that lacks the capability is rejected at start. */ - outputSchema?: SchemaSpec + outputSchema?: StructuredOutputSchema /** * Optional recursion cap (max delegation depth below this child). Requires * {@link SubagentCapabilities.depthLimit}; rejected at start otherwise. @@ -93,6 +97,7 @@ export interface SubagentStopReasonMap { refusal: 'refusal' } +/** The union over {@link SubagentStopReasonMap} — widens automatically as backends merge in variants. */ export type SubagentStopReason = SubagentStopReasonMap[keyof SubagentStopReasonMap] /** @@ -163,6 +168,16 @@ export interface SubagentProvider { readonly name: string /** The start-time features this provider supports (see {@link SubagentCapabilities}). */ readonly capabilities: SubagentCapabilities + /** + * The provider's context contract: `true` when a child SEES the parent + * conversation (fork — the child is seeded with the parent's completed-turn + * prefix), `false` when it starts fresh (spawn, ACP). A DESCRIPTIVE fact, + * not a start-time capability: the service validates nothing against it — + * the model-facing consumer (`dsh-tool-subagent`) derives truthful tool + * wording from it, so a tool bound to a fork provider stops telling the + * model the child "does not see this conversation". + */ + readonly inheritsParentContext: boolean /** * Start a child run. The service has already validated that every requested * start-time capability is supported, so an implementation may assume e.g. diff --git a/packages/subagent/subagent/tests/service.spec.ts b/packages/subagent/subagent/tests/service.spec.ts index 3a8807ad0d..f70abf7e72 100644 --- a/packages/subagent/subagent/tests/service.spec.ts +++ b/packages/subagent/subagent/tests/service.spec.ts @@ -22,6 +22,7 @@ const NO_CAPS: SubagentCapabilities = { outputSchema: false, depthLimit: false, /** A scripted provider whose run settles immediately with a fixed result. */ class StubProvider implements SubagentProvider { startCount = 0 + readonly inheritsParentContext = false constructor( readonly name: string, readonly capabilities: SubagentCapabilities = ALL_CAPS, @@ -44,6 +45,59 @@ function baseRequest(overrides: Partial<SubagentStartRequest> = {}): SubagentSta } describe('SubagentService', () => { + it('announces provider lifecycle: added on register, removed on dispose', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const added: string[] = [] + const removed: string[] = [] + ctx.on('subagent/provider-added', provider => void added.push(provider.name)) + ctx.on('subagent/provider-removed', name => void removed.push(name)) + + const dispose = ctx.subagents.registerProvider(new StubProvider('alpha')) + expect(added).toEqual(['alpha']) + expect(removed).toEqual([]) + + dispose() + expect(removed).toEqual(['alpha']) + }) + + it('rolls back the registration when a provider-added listener throws', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + let threw = false + const off = ctx.on('subagent/provider-added', () => { + if (!threw) { threw = true; throw new Error('boom added listener') } + }) + + expect(() => ctx.subagents.registerProvider(new StubProvider('alpha'))).toThrow('boom added listener') + expect(ctx.subagents.getProvider('alpha')).toBeUndefined() // nothing leaked + + off() + ctx.subagents.registerProvider(new StubProvider('alpha')) + expect(ctx.subagents.getProvider('alpha')).toBeDefined() + }) + + it('contains a throwing provider-removed listener: later mirrors still hear it, teardown completes', async () => { + // provider-removed fires inside the registration's DISPOSER, so a + // propagating listener would disrupt the backend's teardown; and cordis + // emit halts on the first throw, so an uncontained one would starve every + // mirror registered after it (a stale model-facing tool). Both are + // prevented by per-listener containment. + const ctx = new Context() + await ctx.plugin(SubagentService) + const warnings: string[] = [] + ctx.logger.warn = ((message: unknown) => void warnings.push(String(message))) as typeof ctx.logger.warn + ctx.on('subagent/provider-removed', () => { throw new Error('boom removed listener') }) + const heard: string[] = [] + ctx.on('subagent/provider-removed', name => void heard.push(name)) + + const dispose = ctx.subagents.registerProvider(new StubProvider('alpha')) + expect(() => { dispose() }).not.toThrow() + expect(heard).toEqual(['alpha']) // the listener AFTER the thrower still ran + expect(ctx.subagents.getProvider('alpha')).toBeUndefined() // teardown reached quiescence + expect(warnings.some(w => w.includes('boom removed listener'))).toBe(true) + }) + it('registers a provider and starts a run on it by name', async () => { const ctx = new Context() await ctx.plugin(SubagentService) @@ -124,7 +178,7 @@ describe('SubagentService', () => { describe('start-time capability validation (fail loud, before any child)', () => { it.each([ - { field: 'outputSchema', request: baseRequest({ outputSchema: { x: { type: 'string' } } }) }, + { field: 'outputSchema', request: baseRequest({ outputSchema: { type: 'object', properties: { x: { type: 'string' } } } }) }, { field: 'maxDepth', request: baseRequest({ maxDepth: 2 }) }, { field: 'toolFilter', request: baseRequest({ toolFilter: { deny: ['bash'] } }) }, ])('rejects $field against a provider that lacks the capability — before start() runs', ({ request }) => { @@ -149,7 +203,7 @@ describe('SubagentService', () => { await ctx.plugin(SubagentService) const provider = new StubProvider('strong', ALL_CAPS) ctx.subagents.registerProvider(provider) - ctx.subagents.start('strong', baseRequest({ outputSchema: { x: { type: 'string' } }, maxDepth: 1 })) + ctx.subagents.start('strong', baseRequest({ outputSchema: { type: 'object', properties: { x: { type: 'string' } } }, maxDepth: 1 })) expect(provider.startCount).toBe(1) }) }) @@ -234,6 +288,7 @@ describe('SubagentService', () => { ctx.subagents.registerProvider({ name: 'rej', capabilities: NO_CAPS, + inheritsParentContext: false, start: () => ({ id: AgentId('rej-child'), result: Promise.reject(new Error('infra fault')), @@ -267,6 +322,7 @@ describe('SubagentService', () => { ctx.subagents.registerProvider({ name: 'unclone', capabilities: NO_CAPS, + inheritsParentContext: false, start: () => ({ id: AgentId('unclone-child'), result: Promise.resolve({ output: uncloneable, stopReason: 'completed' } as SubagentResult), @@ -296,6 +352,7 @@ describe('SubagentService', () => { ctx.subagents.registerProvider({ name: 'rejecter', capabilities: NO_CAPS, + inheritsParentContext: false, start: () => ({ id: AgentId('rej-child'), result: Promise.reject(new Error('infra fault')), diff --git a/packages/subagent/tool-subagent/README.md b/packages/subagent/tool-subagent/README.md index 1bb48f29ff..6fe26d3083 100644 --- a/packages/subagent/tool-subagent/README.md +++ b/packages/subagent/tool-subagent/README.md @@ -6,11 +6,15 @@ The model-facing `subagent` tool: delegate a self-contained task to a child agen This plugin binds to **exactly one** provider (`Config.provider`). The model sees only `{ description, prompt }` — there is no provider/type parameter in the schema. To expose more than one transport, load the plugin more than once, each bound to a different provider **and a distinct `toolName`** (the tool registry rejects a duplicate name, so a second load that kept the default `subagent` name would throw). Keeping selection in config (not the schema) is the deliberate split: the *service* holds a multi-provider registry; the *tool* picks one. +## The description states the provider's context contract + +The tool description and the `prompt` parameter description are DERIVED from the bound provider's `inheritsParentContext` (`providerWording`): a fresh-context provider (spawn, ACP) gets the standalone-prompt wording ("it does not see this conversation"), an inheriting provider (fork) tells the model the child already sees the conversation's completed turns and its prompt should state only what is new. Because the description is fixed at tool registration, the tool **mirrors the provider's lifecycle** (`subagent/provider-added`/`-removed`): it registers when the bound provider is (or becomes) available and unregisters when the provider goes away — no load-order requirement (the cordis Loader starts sibling entries concurrently, so "listed first" never guaranteed "registered first"), and an HMR reload of the backend re-derives the wording from the fresh provider. While the provider is absent the tool simply does not exist (a `ctx.logger` note records the wait; a typo'd provider name shows up as a tool that never materializes). + | Config key | Meaning | |---|---| | `provider` (required) | The `ctx.subagents` provider name to start runs on (`spawn`, `fork`, `acp`, …). | | `toolName` | The model-facing tool name to register (default `subagent`). Set a distinct value per load when exposing multiple providers, e.g. `subagent` + `subagent_acp`. | -| `agentOptions` | Default per-child `{ model?, systemPrompt? }` applied to every spawned child. | +| `agentOptions` | Default per-child `{ model? }` applied to every spawned child. (No per-child persona: the deployment persona is a context-wide section every agent shares.) | ## Lifecycle (synchronous collect) diff --git a/packages/subagent/tool-subagent/src/index.ts b/packages/subagent/tool-subagent/src/index.ts index 05490127ea..f48ef4345e 100644 --- a/packages/subagent/tool-subagent/src/index.ts +++ b/packages/subagent/tool-subagent/src/index.ts @@ -11,6 +11,15 @@ * — there is no provider/type parameter in the model-facing schema. The model * sees only `{ description, prompt }`. * + * The tool DESCRIPTION is derived from the bound provider's context contract + * ({@link providerWording}): a fresh-context provider (spawn, ACP) gets the + * standalone-prompt wording, an inheriting provider (fork) tells the model the + * child already sees the conversation's completed turns. The tool MIRRORS the + * provider's lifecycle via `subagent/provider-added`/`-removed` — it registers + * when the provider is (or becomes) available and unregisters when the + * provider goes away — so no load-order requirement exists and an HMR reload + * of the backend re-derives the wording from the fresh provider. + * * Collection is SYNCHRONOUS this cut: `execute` starts a run and awaits * `run.result` inside a `try/finally` that always disposes the run, so the * owned child agent/session is torn down on every path (success, error, abort) @@ -26,7 +35,7 @@ import z from 'schemastery' import { defineTool } from '@deepseek-ai/dsh-tools' import type { AgentOptions } from '@deepseek-ai/dsh-agent' import type { ContentBlock } from '@deepseek-ai/dsh-llm' -import type { SubagentResult, SubagentRun, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' +import type { SubagentProvider, SubagentResult, SubagentRun, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' export const name = 'tool-subagent' export const inject = ['tools', 'subagents'] @@ -44,8 +53,10 @@ export interface Config { */ toolName?: string /** - * Default per-child agent options (model, system prompt) applied to every - * spawned child. Omitted fields fall back to the child loop's own defaults. + * Default per-child agent options (model) applied to every spawned child. + * Omitted fields fall back to the child loop's own defaults. There is no + * per-child persona: the deployment persona (the system-prompt plugin's + * `persona` config) is a context-wide section every agent shares. */ agentOptions?: AgentOptions } @@ -55,7 +66,6 @@ export const Config: z<Config> = z.object({ toolName: z.string().default('subagent'), agentOptions: z.object({ model: z.string(), - systemPrompt: z.string(), }), }) @@ -92,70 +102,140 @@ function stopReasonError(result: SubagentResult): string | undefined { } } -export function apply(ctx: Context, config: Config): void { - ctx.tools.register(defineTool({ - name: config.toolName ?? 'subagent', +/** + * Model-facing wording per context contract ({@link SubagentProvider.inheritsParentContext}). + * A fresh child needs a standalone prompt; a forked child already sees the + * conversation's completed turns — telling the model to restate everything + * (or, worse, that the child "does not see this conversation") would be false + * for a fork. Exported for tests. + * @param inherits - the bound provider's context contract. + * @returns the tool `description` and the `prompt` parameter description. + */ +export function providerWording(inherits: boolean): { description: string; promptDescription: string } { + if (inherits) { + return { + description: + 'Delegate a task to a subagent that INHERITS this conversation: a child agent seeded with all ' + + 'completed turns so far (it does not see the current in-flight turn), returning only its final ' + + 'result. Use this when the subtask builds on this conversation\'s context — a follow-up analysis, ' + + 'a review, a continuation — without consuming this conversation\'s context for the work itself. ' + + 'You receive only its final answer, not its intermediate steps.', + promptDescription: + 'The task for the subagent. It already sees this conversation\'s completed turns, so build on them ' + + 'freely and state only what is new.', + } + } + return { description: 'Delegate a self-contained task to a subagent (a separate agent that works in its own context) ' + 'and return its final result. Use this to offload focused, independent work — research, a scoped ' + 'implementation, an analysis — so it does not consume this conversation\'s context. The subagent ' + 'runs to completion and you receive only its final answer, not its intermediate steps. Give it a ' + 'complete, standalone prompt: it does not see this conversation.', - parameters: { - description: { - type: 'string', - required: true, - description: 'A short (3-5 word) description of the delegated task, for display.', - }, - prompt: { - type: 'string', - required: true, - description: 'The complete, self-contained task for the subagent. It does not share this ' - + 'conversation\'s context, so include everything it needs.', - }, - }, - async execute(args, exec): Promise<ContentBlock[]> { - const parent = exec.agent - if (!parent) { - // The loop sets `exec.agent` for every model-driven call; its absence - // means a non-agent caller invoked the tool directly, which has no - // parent to attribute the child to. Fail loud rather than guess. - throw new Error('subagent tool requires a calling agent (exec.agent was undefined)') - } - - const request: SubagentStartRequest = { - prompt: [{ type: 'text', text: args.prompt }], - parent, - ...exec.signal ? { signal: exec.signal } : {}, - ...config.agentOptions ? { agentOptions: config.agentOptions } : {}, - } - - const run: SubagentRun = ctx.subagents.start(config.provider, request) - - // Bridge the tool's abort signal to the run: if the parent step is - // aborted while the child is in flight, cancel the child too. - const onAbort = (): void => { run.cancel('parent step aborted') } - exec.signal?.addEventListener('abort', onAbort, { once: true }) - // `addEventListener` does NOT fire for a signal already aborted before this - // line, so a step cancelled before the tool ran would never reach the - // child. Cancel explicitly in that case — the bridge must honor an - // already-aborted signal, not lean on each provider re-checking it. - if (exec.signal?.aborted) run.cancel('parent step aborted') - - try { - const result = await run.result - const error = stopReasonError(result) - if (error !== undefined) { - // Map a non-clean finish to an isError result (the registry turns a - // throw into an isError). Report the reason, not partial output. - throw new Error(error) - } - return [{ type: 'text', text: outputText(result.output) }] - } finally { - exec.signal?.removeEventListener('abort', onAbort) - // Always reach child quiescence — never leak a live idle child/session. - await run.dispose() - } - }, - })) + promptDescription: + 'The complete, self-contained task for the subagent. It does not share this ' + + 'conversation\'s context, so include everything it needs.', + } +} + +export function apply(ctx: Context, config: Config): void { + // The tool MIRRORS its provider's lifecycle instead of assuming load order: + // the cordis Loader starts sibling entries concurrently, so "backend listed + // first in cordis.yml" does not guarantee "provider registered first", and + // an HMR reload of the backend replaces the provider while this fiber stays + // loaded. Register the tool when the bound provider is (or becomes) + // available — deriving the wording from THAT provider — and unregister it + // when the provider goes away, so the description can never outlive or + // predate the provider it describes. + let disposeTool: (() => void) | undefined + const mount = (provider: SubagentProvider): void => { + const wording = providerWording(provider.inheritsParentContext) + disposeTool = ctx.tools.register(defineTool({ + name: config.toolName ?? 'subagent', + description: wording.description, + parameters: { + description: { + type: 'string', + required: true, + description: 'A short (3-5 word) description of the delegated task, for display.', + }, + prompt: { + type: 'string', + required: true, + description: wording.promptDescription, + }, + }, + async execute(args, exec): Promise<ContentBlock[]> { + const parent = exec.agent + if (!parent) { + // The loop sets `exec.agent` for every model-driven call; its absence + // means a non-agent caller invoked the tool directly, which has no + // parent to attribute the child to. Fail loud rather than guess. + throw new Error('subagent tool requires a calling agent (exec.agent was undefined)') + } + + const request: SubagentStartRequest = { + prompt: [{ type: 'text', text: args.prompt }], + parent, + ...exec.signal ? { signal: exec.signal } : {}, + ...config.agentOptions ? { agentOptions: config.agentOptions } : {}, + } + + const run: SubagentRun = ctx.subagents.start(config.provider, request) + + // Bridge the tool's abort signal to the run: if the parent step is + // aborted while the child is in flight, cancel the child too. + const onAbort = (): void => { run.cancel('parent step aborted') } + exec.signal?.addEventListener('abort', onAbort, { once: true }) + // `addEventListener` does NOT fire for a signal already aborted before this + // line, so a step cancelled before the tool ran would never reach the + // child. Cancel explicitly in that case — the bridge must honor an + // already-aborted signal, not lean on each provider re-checking it. + if (exec.signal?.aborted) run.cancel('parent step aborted') + + try { + const result = await run.result + const error = stopReasonError(result) + if (error !== undefined) { + // Map a non-clean finish to an isError result (the registry turns a + // throw into an isError). Report the reason, not partial output. + throw new Error(error) + } + return [{ type: 'text', text: outputText(result.output) }] + } finally { + exec.signal?.removeEventListener('abort', onAbort) + // Always reach child quiescence — never leak a live idle child/session. + await run.dispose() + } + }, + })) + } + + // Listeners first, then the presence check: both run synchronously, so no + // registration can slip between them; the `disposeTool === undefined` guard + // makes a same-tick added-event after a successful mount a no-op. + // TODO(subagent-dup-toolname): two WAITING fibers configured with the same + // toolName collide only when their provider finally arrives — the duplicate + // tool-name throw then propagates through `subagent/provider-added` and + // rolls back the PROVIDER registration, so an invalid config blasts the + // backend's fiber instead of the misconfigured tool's. Config-time detection + // would need a cross-fiber registry of intended tool names; revisit if a + // real deployment ever hits it. + ctx.on('subagent/provider-added', (provider) => { + if (provider.name === config.provider && disposeTool === undefined) mount(provider) + }) + ctx.on('subagent/provider-removed', (name) => { + if (name !== config.provider || disposeTool === undefined) return + disposeTool() + disposeTool = undefined + }) + const present = ctx.subagents.getProvider(config.provider) + if (present !== undefined) { + mount(present) + } else { + // Not an error: the backend's fiber may simply activate after this one. + // The tool appears the moment the provider registers; a typo'd provider + // name shows up as this note plus a tool that never materializes. + ctx.logger.info(`subagent provider "${config.provider}" not registered yet; the "${config.toolName ?? 'subagent'}" tool will register when it appears`) + } } diff --git a/packages/subagent/tool-subagent/tests/tool-subagent.spec.ts b/packages/subagent/tool-subagent/tests/tool-subagent.spec.ts index 2f40cd6f8c..611069ef76 100644 --- a/packages/subagent/tool-subagent/tests/tool-subagent.spec.ts +++ b/packages/subagent/tool-subagent/tests/tool-subagent.spec.ts @@ -112,6 +112,7 @@ describe('dsh-tool-subagent', () => { ctx.subagents.registerProvider({ name: 'weird', capabilities: { outputSchema: false, depthLimit: false, toolFilter: false }, + inheritsParentContext: false, start: () => ({ id: AgentId('weird-child'), result: Promise.resolve({ output: [{ type: 'text', text: 'partial' }], stopReason: 'frobnicated' as never }), @@ -137,6 +138,7 @@ describe('dsh-tool-subagent', () => { ctx.subagents.registerProvider({ name: 'capture', capabilities: { outputSchema: false, depthLimit: false, toolFilter: false }, + inheritsParentContext: false, start: (request) => { seen = request return { @@ -147,10 +149,10 @@ describe('dsh-tool-subagent', () => { } }, }) - await ctx.plugin(tool, { provider: 'capture', agentOptions: { model: 'child-model', systemPrompt: 'be terse' } }) + await ctx.plugin(tool, { provider: 'capture', agentOptions: { model: 'child-model' } }) await callSubagent(ctx, { description: 'd', prompt: 'p' }) - expect(seen?.agentOptions).toEqual({ model: 'child-model', systemPrompt: 'be terse' }) + expect(seen?.agentOptions).toEqual({ model: 'child-model' }) }) it('defaults toolName and omits agentOptions when apply() is called directly (schema bypass)', async () => { @@ -166,6 +168,7 @@ describe('dsh-tool-subagent', () => { ctx.subagents.registerProvider({ name: 'bare', capabilities: { outputSchema: false, depthLimit: false, toolFilter: false }, + inheritsParentContext: false, start: (request) => { seen = request return { @@ -192,14 +195,96 @@ describe('dsh-tool-subagent', () => { expect(text(result)).toContain('requires a calling agent') }) - it('surfaces an UNSUPPORTED_CAPABILITY rejection as an isError result is NOT applicable here ' - + '(the tool requests no capabilities) — a missing provider IS surfaced', async () => { - // Bind the tool to a provider name that is not registered: the service throws - // NO_PROVIDER, the registry turns it into an isError result. - const ctx = await setup({ provider: 'does-not-exist' }) + it('registers when the provider appears LATER — no load-order requirement (Loader starts siblings concurrently)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SubagentService) + // Tool first: no provider yet — the tool must be absent, not broken. + // Direct apply (schema bypass): also covers the waiting-note's default + // toolName fallback, which validated config pre-fills. + tool.apply(ctx, { provider: 'mock' }) + expect(ctx.tools.schemas().some(s => s.name === 'subagent')).toBe(false) + // Backend arrives (as a delayed sibling fiber would): the tool appears. + await ctx.plugin(mock, { name: 'mock', reply: 'late but fine' }) + expect(ctx.tools.schemas().some(s => s.name === 'subagent')).toBe(true) const result = await callSubagent(ctx, { description: 'd', prompt: 'p' }) - expect(result.isError).toBe(true) - expect(text(result)).toContain('no subagent provider') + expect(text(result)).toBe('late but fine') + }) + + it('mirrors the provider lifecycle: gone on backend dispose, re-derived wording on re-registration', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SubagentService) + const backend = await ctx.plugin(mock, { name: 'mock' }) // spawn-shaped (inherits: false) + await ctx.plugin(tool, { provider: 'mock' }) + expect(ctx.tools.schemas().find(s => s.name === 'subagent')!.description).toContain('does not see this conversation') + + // Backend unloads (HMR shape): the tool must not outlive its provider. + await backend.dispose() + expect(ctx.tools.schemas().some(s => s.name === 'subagent')).toBe(false) + + // Backend reloads with a DIFFERENT contract: the wording is re-derived + // from the fresh provider, not served stale from the first mount. + await ctx.plugin(mock, { name: 'mock', inheritsParentContext: true }) + expect(ctx.tools.schemas().find(s => s.name === 'subagent')!.description).toContain('INHERITS this conversation') + }) + + it('the tool PLUGIN fiber owns its lifecycle listeners: disposal unmounts, and a disposed fiber never zombie-mounts', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SubagentService) + + // Arm 1: a mounted tool dies with its plugin fiber; the provider survives. + await ctx.plugin(mock, { name: 'mock' }) + const mounted = await ctx.plugin(tool, { provider: 'mock' }) + expect(ctx.tools.schemas().some(s => s.name === 'subagent')).toBe(true) + await mounted.dispose() + expect(ctx.tools.schemas().some(s => s.name === 'subagent')).toBe(false) + expect(ctx.subagents.getProvider('mock')).toBeDefined() + + // Arm 2: a fiber disposed while WAITING must not react to the provider + // arriving later — a surviving listener would re-register a tool that no + // live plugin owns (the zombie mount). + const waiting = await ctx.plugin(tool, { provider: 'later', toolName: 'subagent_later' }) + await waiting.dispose() + await ctx.plugin(mock, { name: 'later' }) + expect(ctx.tools.schemas().some(s => s.name === 'subagent_later')).toBe(false) + }) + + it('ignores lifecycle events for OTHER providers', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SubagentService) + await ctx.plugin(mock, { name: 'mock' }) + await ctx.plugin(tool, { provider: 'mock' }) + // An unrelated provider registering (added-event with another name) and + // unregistering (removed-event with another name) must not touch the tool. + const other = await ctx.plugin(mock, { name: 'other', inheritsParentContext: true }) + expect(ctx.tools.schemas().filter(s => s.name === 'subagent')).toHaveLength(1) + expect(ctx.tools.schemas().find(s => s.name === 'subagent')!.description).toContain('does not see this conversation') + await other.dispose() + expect(ctx.tools.schemas().some(s => s.name === 'subagent')).toBe(true) + }) + + it('derives spawn-shaped wording from a fresh-context provider (default mock)', async () => { + const ctx = await setup({ provider: 'mock' }) + const schema = ctx.tools.schemas().find(s => s.name === 'subagent')! + expect(schema.description).toContain('does not see this conversation') + const props = (schema.parameters as { properties: Record<string, { description: string }> }).properties + expect(props['prompt']!.description).toContain('include everything it needs') + }) + + it('derives fork-shaped wording from an inheriting provider (the description stops lying)', async () => { + const ctx = await setup({ provider: 'mock', toolName: 'subagent' }, { inheritsParentContext: true }) + const schema = ctx.tools.schemas().find(s => s.name === 'subagent')! + expect(schema.description).toContain('INHERITS this conversation') + expect(schema.description).not.toContain('does not see this conversation') + const props = (schema.parameters as { properties: Record<string, { description: string }> }).properties + expect(props['prompt']!.description).toContain('completed turns') }) it('disposes the run on the success path (no leaked child)', async () => { @@ -213,6 +298,7 @@ describe('dsh-tool-subagent', () => { ctx.subagents.registerProvider({ name: 'spy', capabilities: { outputSchema: false, depthLimit: false, toolFilter: false }, + inheritsParentContext: false, start: () => ({ id: AgentId('spy-child'), result: Promise.resolve({ output: [{ type: 'text', text: 'ok' }], stopReason: 'completed' as const }), @@ -235,6 +321,7 @@ describe('dsh-tool-subagent', () => { ctx.subagents.registerProvider({ name: 'spy', capabilities: { outputSchema: false, depthLimit: false, toolFilter: false }, + inheritsParentContext: false, start: () => ({ id: AgentId('spy-child'), result: Promise.resolve({ output: [], stopReason: 'error' as const }), @@ -258,6 +345,7 @@ describe('dsh-tool-subagent', () => { ctx.subagents.registerProvider({ name: 'spy', capabilities: { outputSchema: false, depthLimit: false, toolFilter: false }, + inheritsParentContext: false, start: () => { let resolveResult: (r: { output: never[]; stopReason: 'aborted' }) => void const result = new Promise<{ output: never[]; stopReason: 'aborted' }>((res) => { resolveResult = res }) @@ -304,6 +392,7 @@ describe('dsh-tool-subagent', () => { ctx.subagents.registerProvider({ name: 'spy', capabilities: { outputSchema: false, depthLimit: false, toolFilter: false }, + inheritsParentContext: false, start: () => { let resolveResult: (r: { output: never[]; stopReason: 'aborted' }) => void const result = new Promise<{ output: never[]; stopReason: 'aborted' }>((res) => { resolveResult = res }) diff --git a/packages/support/README.md b/packages/support/README.md index 942734fc1e..2a08063bad 100644 --- a/packages/support/README.md +++ b/packages/support/README.md @@ -4,9 +4,9 @@ Packages that exist to serve development, testing, and the examples rather than | Package | Role | ctx key | |---|---|---| +| `acp-snapshot/` | ACP snapshot suite kit: subprocess scenario harness + golden normalizers + the `defineAcpSnapshotSuite` factory | (library — imported by example `*.snapshot.ts` suites) | | `invariants/` | Dev-mode event-contract invariants + session-log freeze | (listens on `session/*`, `agent/*`) | -| `ui-stdio/` | Minimal stdio (readline) UI plugin: renders `agent/*` events, feeds stdin lines to the agent | (drives `ctx.agents`) | | `llm-replay/` | Record/replay adapter: short-circuits `llm/stream` from a recorded session JSONL (keyless snapshot tests) | (listens on `llm/stream`) | | `subagent-mock/` | Scripted `SubagentProvider` for deterministic seam/tool tests | (registers on `ctx.subagents`) | -`invariants` runs only in dev mode (contract checks, not runtime behavior). `ui-stdio` and `llm-replay` were extracted from the examples for reuse and to bring them under the per-file coverage gate; they back the demos and the snapshot test tier. `subagent-mock` exercises the real `ctx.subagents` load path without a model or child agent. A package graduates OUT of `support/` into a product group only when it gains documented product consumers. +`invariants` runs only in dev mode (contract checks, not runtime behavior). `llm-replay` backs the demos and the snapshot test tier under the per-file coverage gate. `acp-snapshot` carries the snapshot tier's harness/normalizer/suite machinery so every example's suite is a scenario table over one shared, gate-covered implementation. `subagent-mock` exercises the real `ctx.subagents` load path without a model or child agent. A package graduates OUT of `support/` into a product group only when it gains documented product consumers. diff --git a/packages/support/acp-snapshot/README.md b/packages/support/acp-snapshot/README.md new file mode 100644 index 0000000000..501b98b793 --- /dev/null +++ b/packages/support/acp-snapshot/README.md @@ -0,0 +1,42 @@ +# `@deepseek-ai/dsh-acp-snapshot` + +The ACP snapshot suite kit: the shared machinery behind the keyless snapshot tier (`pnpm run test:snapshot`, [testing policy](../../../docs/testing.md)). An example gets a full snapshot suite from a scenario table plus a fixtures directory; every compare/guard mechanic lives here, under the per-file coverage gate, instead of being copied per example. + +Three layers, importable separately: + +- **`runScenario` (harness)** — boots the real agent bin as a subprocess via tsx (unbuilt, Loader path), drives it over ACP JSON-RPC stdio from a deterministic `input.json` script, tees raw stdout for the golden + purity check, and harvests every persisted session JSONL (parent + subagent children, primary-first) after a graceful stdin-EOF shutdown. Parameterized by `AgentUnderTest` (`binScript`, `configPath`, `tsconfigPath` — absolute paths; the subprocess cwd is a temp dir outside the repo). +- **Normalizers** — pure functions turning the two captured surfaces into stable text: `normalizeStdout` (JSON-RPC ids → first-seen sequence; UUIDs/cwd → tokens; doubles as the stdout-purity check), `normalizeSessionLog` (times zeroed, `seq` kept), `scrubSystemPrompts` (prompt text → `{{system}}` in every JSONL), and `scrubRequestHeaders` (the remaining header bulk → `{{tools}}`/`{{messagePrefix}}` outside each pin, structure kept — [pinned-header RFC](../../../docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md)). +- **`defineAcpSnapshotSuite` (factory)** — registers the whole describe/it tree for a scenario table: per-scenario golden + re-persisted-log compares, record/refresh fixture write-back, the per-header-class pin (`system-prompt.golden.md` plus the JSONL's full tool schemas) with its live uniformity guard, and the fixture guard block (no orphan scenario dirs, required files present, exactly one pin per class, every JSONL prompt-scrubbed, non-pinning fixtures fully header-scrubbed). Must be called at vitest collection time. + +A consuming `*.snapshot.ts` is the scenario table plus one factory call: + +```ts +import { dirname, join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { defineAcpSnapshotSuite, type Scenario } from '@deepseek-ai/dsh-acp-snapshot' + +const SCENARIOS: Scenario[] = [ + { name: 'text-turn', hasModelTurn: true, recorded: true, pinsHeader: true }, +] + +defineAcpSnapshotSuite({ + agent: { // absolute paths, resolved from the suite's own location + binScript: fileURLToPath(new URL('../../../packages/ui/acp-agent/src/bin.ts', import.meta.url)), + configPath: fileURLToPath(new URL('../cordis.yml', import.meta.url)), + tsconfigPath: fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)), + }, + snapshotsDir: join(dirname(fileURLToPath(import.meta.url)), 'snapshots'), + scenarios: SCENARIOS, // exactly one entry per header class sets pinsHeader + mode: process.env.DSH_SNAPSHOT === 'record' + ? 'record' + : process.env.DSH_SNAPSHOT === 'refresh' + ? 'refresh' + : 'replay', +}) +``` + +A scenario booting a differently-composed tree sets its own `configPath` (an overlay whose basename still ends in `cordis.yml`, so the bin's replay swap finds the sibling `*cordis.snapshot.yml`) and, when that composition changes the request header, its own `headerClass` with its own pinning scenario — the acp-agent example's Code Mode scenarios are the template. Each pinning directory's generated `system-prompt.golden.md` is the reviewable snapshot of the normalized composed prompt; `session.jsonl` stores `"system":"{{system}}"` while retaining the complete tool list. + +The example also ships a `cordis.snapshot.yml` replay overlay next to its `cordis.yml` (the bin swaps them under `DSH_SNAPSHOT=replay` — [single-source replay config RFC](../../../docs/rfc/implemented/testing/2026-07-04-single-source-acp-replay-config.md)); replay fixtures are served by [`dsh-llm-replay`](../llm-replay/README.md), which this package points at via the `DSH_SNAPSHOT_*` env vars it sets on the child. `pnpm run test:snapshot:record` calls the live LLM and rewrites the recorded scenarios' model fixtures; `pnpm run test:snapshot:refresh` stays keyless, runs the replay overlay, and rewrites stdout, comparable session-log goldens, and each pin's Markdown prompt snapshot from the committed model scripts. Fixture roles, record/replay/refresh semantics, and scenario-table fields are documented on `Scenario` and in the [snapshot RFC](../../../docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md). + +Constraints: `suite.ts` imports vitest, so the package is importable only inside a vitest run (the harness and normalizers have no such dependency but ship from the same entry). ACP-specific by design — the harness speaks the SDK's `ClientSideConnection`. Permission round-trips are scriptable: `InputScript.permissionAnswers` is a FIFO queue of option-kind selections (`allow_once`, `reject_once`, …) the client maps to the agent-issued `optionId` at answer time; an absent or exhausted queue answers `cancelled`, and a kind the request never offered rejects the run (the agent is answered `cancelled`, so a tolerant agent cannot absorb the scenario bug). Session config options are scriptable too: the `setConfigOption` step switches a knob over `session/set_config_option`, and `setConfigOptionExpectError` asserts the bridge rejects an unknown id or out-of-vocabulary value (the error frame stays in the transcript). diff --git a/packages/support/acp-snapshot/package.json b/packages/support/acp-snapshot/package.json new file mode 100644 index 0000000000..363bc86e25 --- /dev/null +++ b/packages/support/acp-snapshot/package.json @@ -0,0 +1,35 @@ +{ + "name": "@deepseek-ai/dsh-acp-snapshot", + "description": "ACP snapshot suite kit: real-subprocess scenario harness, golden normalizers, and the suite factory behind the keyless snapshot tier", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "dependencies": { + "@agentclientprotocol/sdk": "0.25.1", + "tsx": "^4.22.4", + "vitest": "^4.1.8" + }, + "peerDependencies": { + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "cordis": "^4.0.0-rc.6" + } +} diff --git a/examples/acp-agent/tests/snapshot-harness.ts b/packages/support/acp-snapshot/src/harness.ts similarity index 66% rename from examples/acp-agent/tests/snapshot-harness.ts rename to packages/support/acp-snapshot/src/harness.ts index 8285b870bf..491d3ea884 100644 --- a/examples/acp-agent/tests/snapshot-harness.ts +++ b/packages/support/acp-snapshot/src/harness.ts @@ -1,16 +1,19 @@ /** - * Shared harness for the ACP snapshot tests. A plain module (NOT a *.spec.ts / - * *.snapshot.ts) so importing it never re-registers another file's tests. + * Shared subprocess harness for ACP snapshot suites. A library module driven by + * the suite factory in ./suite.ts (and directly by harness-level specs); each + * example's `*.snapshot.ts` names its own agent-under-test paths. * - * It boots the REAL examples/acp-agent subprocess via the cordis Loader (so the + * It boots the REAL agent bin subprocess via the cordis Loader (so the * export-shape bug class stays guarded — see docs/postmortem/0001), drives it * over real ACP JSON-RPC stdio with a deterministic input script, tees raw * stdout (for the golden + a purity check) into an SDK `ClientSideConnection`, * and — in record mode — harvests the persisted session JSONL after a graceful - * shutdown flush. Two pure normalizers turn the captured stdout frames and the - * session-log events into stable, snapshot-able text. + * shutdown flush. The pure normalizers in ./normalize.ts turn the captured + * stdout frames and the session-log events into stable, snapshot-able text. * * See docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md. + * + * @module @deepseek-ai/dsh-acp-snapshot/harness */ import { spawn, type ChildProcessWithoutNullStreams } from 'node:child_process' @@ -31,19 +34,36 @@ import { type SessionNotification, } from '@agentclientprotocol/sdk' -// The dsh-acp-agent bin (the demo:acp entry) and this example's cordis.yml. -// The bin resolves its config-path arg from CWD and, under DSH_SNAPSHOT=replay, -// swaps it for the sibling cordis.snapshot.yml. The child's cwd is a temp dir -// OUTSIDE the repo, so pass the example config's ABSOLUTE path. -const binScript = fileURLToPath(new URL('../../../packages/ui/acp-agent/src/bin.ts', import.meta.url)) -const configPath = fileURLToPath(new URL('../cordis.yml', import.meta.url)) +// Resolve tsx's ESM loader to an ABSOLUTE path once: the child runs with its +// cwd in a temp dir OUTSIDE the repo, where a bare `--import tsx` would not +// resolve from node_modules. import.meta.resolve gives this package's tsx +// regardless of the child cwd. const tsxLoader = fileURLToPath(import.meta.resolve('tsx')) -// The repo-root tsconfig: dev/test run UNBUILT and the `@deepseek-ai/dsh-*` -// imports resolve through its `paths` map. The child's cwd is a temp dir -// OUTSIDE the repo, so tsx's upward search would miss it — point tsx at the -// repo tsconfig explicitly (same fix the e2e harness uses). Repo root is four -// levels up from this file (examples/acp-agent/tests). -const repoTsconfig = fileURLToPath(new URL('../../../tsconfig.json', import.meta.url)) + +/** + * The agent composition a scenario runs against: which bin to boot and which + * leaf config it loads. All paths are ABSOLUTE — the subprocess cwd is a temp + * dir outside the repo, so relative resolution would miss; a suite resolves + * them from its own `import.meta.url`. + */ +export interface AgentUnderTest { + /** The agent bin entry (e.g. `packages/ui/acp-agent/src/bin.ts`), run unbuilt via tsx. */ + binScript: string + /** + * The example's live `cordis.yml`. Under `DSH_SNAPSHOT=replay` the bin swaps + * it for the sibling `cordis.snapshot.yml` (the keyless replay overlay), so + * one path serves both modes. + */ + configPath: string + /** + * The repo-root tsconfig whose `paths` map resolves the unbuilt workspace + * imports. Passed to the child as `TSX_TSCONFIG_PATH`: tsx finds a tsconfig + * by searching UP from the child's cwd — a temp dir outside the repo — so + * without the explicit pin the dsh-* imports fail before the bin writes a + * byte. + */ + tsconfigPath: string +} /** * One step of a scenario's deterministic input script (`input.json`). The @@ -57,7 +77,7 @@ const repoTsconfig = fileURLToPath(new URL('../../../tsconfig.json', import.meta * the only way to exercise a cancel deterministically (a plain `prompt` step * awaits the response, which a cancel/hang scenario would block on forever). */ -type InputStep = +export type InputStep = | { op: 'initialize'; terminalOutput?: boolean } | { op: 'newSession' } | { op: 'newSessionExpectError'; additionalDirectories?: string[] } @@ -65,10 +85,31 @@ type InputStep = | { op: 'promptExpectError'; text: string } | { op: 'promptAndCancel'; text: string } | { op: 'cancel' } + | { op: 'setConfigOption'; configId: string; value: string } + | { op: 'setConfigOptionExpectError'; configId: string; value: string } /** A scenario's `input.json`: an ordered list of input steps. */ export interface InputScript { steps: InputStep[] + /** + * Ordered answers for the agent's `session/request_permission` round-trips, + * consumed FIFO — the Nth request gets the Nth answer. Each answer selects + * by option KIND: option ids are agent-issued randoms a committed script + * cannot know, while kinds are the ACP-stable vocabulary, so the client maps + * kind → the offered `optionId` at answer time. A request beyond the queue + * (or with no queue at all) is answered `cancelled` — the stub behavior a + * scenario without approvals relies on. A scripted kind the request does + * not offer REJECTS the run: the scenario scripted an impossible click, + * and {@link runScenario} throws once the in-flight step settles (the + * agent itself just sees `cancelled`, so it cannot absorb the bug). + */ + permissionAnswers?: PermissionAnswer[] +} + +/** One scripted answer to a permission request: which offered option kind to select. */ +export interface PermissionAnswer { + /** The `PermissionOption.kind` to select (`allow_once`, `reject_always`, …). */ + kind: 'allow_once' | 'allow_always' | 'reject_once' | 'reject_always' } /** One harvested session log plus the identifying facts off its header line. */ @@ -102,7 +143,10 @@ export interface RunResult { sessionLogs: HarvestedLog[] } -interface RunOptions { +/** How to run one scenario: the agent to boot, the mode, and the fixture wiring. */ +export interface RunOptions { + /** The agent composition to boot. */ + agent: AgentUnderTest /** `replay` (default, keyless) or `record` (real API, harvests the log). */ mode: 'replay' | 'record' /** The recorded session JSONL fixture path (replay reads it; record writes near it). */ @@ -124,12 +168,25 @@ interface RunOptions { * start from an empty workspace. */ workspaceDir?: string + /** + * Alternate LIVE config path for the boot (absolute), overriding + * {@link AgentUnderTest.configPath} for this run. A scenario needing a + * differently-composed tree (the Code Mode scenarios) ships an overlay + * whose basename still ends in `cordis.yml`, so the bin's replay swap + * resolves the sibling `*cordis.snapshot.yml` the same way it does for + * the default. + */ + configPath?: string } /** * Run a scenario end-to-end against a freshly-spawned subprocess. Owns the * child and its temp dirs; always tears them down. Returns the captured stdout * and (record mode) the harvested session-log path. + * + * @param input The scenario's input script (steps + optional permission answers). + * @param opts The agent to boot, the mode, and the fixture wiring. + * @returns The captured stdout/stderr, session id, temp cwd, and harvested logs. */ export async function runScenario(input: InputScript, opts: RunOptions): Promise<RunResult> { const cwd = await mkdtemp(join(tmpdir(), 'acp-snap-cwd-')) @@ -151,10 +208,12 @@ export async function runScenario(input: InputScript, opts: RunOptions): Promise } const env: NodeJS.ProcessEnv = { ...process.env, - TSX_TSCONFIG_PATH: repoTsconfig, + TSX_TSCONFIG_PATH: opts.agent.tsconfigPath, DSH_SNAPSHOT: opts.mode, DSH_SNAPSHOT_FILE: opts.fixtureFile, DSH_SNAPSHOT_SESSIONS_ROOT: sessionsRoot, + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), ...opts.overrideFile !== undefined ? { DSH_SNAPSHOT_OVERRIDE: opts.overrideFile } : {}, ...opts.childFiles !== undefined && opts.childFiles.length > 0 ? { DSH_SNAPSHOT_CHILD_FILES: opts.childFiles.join(delimiter) } @@ -163,7 +222,7 @@ export async function runScenario(input: InputScript, opts: RunOptions): Promise child = spawn( process.execPath, - ['--import', tsxLoader, binScript, configPath], + ['--import', tsxLoader, opts.agent.binScript, opts.configPath ?? opts.agent.configPath], { cwd, env, stdio: ['pipe', 'pipe', 'pipe'] }, ) @@ -193,25 +252,59 @@ export async function runScenario(input: InputScript, opts: RunOptions): Promise const waitForUpdate = (match: (u: SessionNotification['update']) => boolean): Promise<void> => new Promise<void>(resolve => updateWaiters.push({ match, resolve })) + // Permission answers are consumed FIFO across the whole run; exhaustion + // falls back to `cancelled` so approval-free scenarios keep the plain stub. + const permissionQueue = [...input.permissionAnswers ?? []] + // A scenario bug detected inside a client callback (a scripted permission + // kind the agent never offered). It cannot fail the run from in there: a + // callback throw only becomes a JSON-RPC error RESPONSE to the agent, and + // a tolerant agent treats that as a denial and carries on — the run (or + // worse, a record) would absorb the impossible click silently. So the + // callback answers `cancelled` (a well-defined path for the agent), + // captures the error here, and the step loop fails the run on it. + let scriptError: Error | undefined const makeClient = (_agent: AcpAgent): Client => ({ sessionUpdate(params: SessionNotification): Promise<void> { for (let i = updateWaiters.length - 1; i >= 0; i--) { const waiter = updateWaiters[i] - if (waiter !== undefined && waiter.match(params.update)) { + // The index is always in-bounds (i only decreases; splice removes at + // i, so lower entries stay valid); the guard satisfies + // noUncheckedIndexedAccess. + /* v8 ignore next 1 -- unreachable in-bounds guard, see above */ + if (waiter === undefined) continue + if (waiter.match(params.update)) { updateWaiters.splice(i, 1) waiter.resolve() } } return Promise.resolve() }, - requestPermission(_params: RequestPermissionRequest): Promise<RequestPermissionResponse> { - return Promise.resolve({ outcome: { outcome: 'cancelled' } }) + requestPermission(params: RequestPermissionRequest): Promise<RequestPermissionResponse> { + const answer = permissionQueue.shift() + if (answer === undefined) return Promise.resolve({ outcome: { outcome: 'cancelled' } }) + const option = params.options.find(o => o.kind === answer.kind) + if (option === undefined) { + // The scenario scripted a click the agent never offered — a scenario + // bug. Captured (last one wins; same bug class either way) and + // answered `cancelled`; the step loop rejects the run on it. + scriptError = new Error( + `snapshot-harness: scripted permission answer ${answer.kind} not among ` + + `the offered options [${params.options.map(o => o.kind).join(', ')}]`, + ) + return Promise.resolve({ outcome: { outcome: 'cancelled' } }) + } + return Promise.resolve({ outcome: { outcome: 'selected', optionId: option.optionId } }) }, }) const client = new ClientSideConnection(makeClient, stream) for (const step of input.steps) { await runStep(client, step, cwd, waitForUpdate, () => sessionId, (id) => { sessionId = id }) + // A permission exchange happens while a step's request is in flight, so + // by the time the step settles any script bug it exposed is captured — + // fail the run HERE, as a harness error, rather than hoping the agent's + // reaction to the answer perturbs the transcript. + if (scriptError !== undefined) throw scriptError } // Done driving: close stdin so the server disposes gracefully (flushing // persistence) and exits. Then await exit so the harvested log is complete. @@ -302,9 +395,9 @@ async function runStep( // its own). To pin frame order deterministically, wait until the client // has OBSERVED the hang's streamed agent_message_chunk before cancelling — // so those update frames always precede the cancelled prompt response in - // the transcript (without this, the late chunk and the response race; see - // the Codex review of commit 5). Then cancel and await the prompt, which - // the bridge settles as `cancelled` once the abort propagates. + // the transcript (without this, the late chunk and the response race). + // Then cancel and await the prompt, which the bridge settles as + // `cancelled` once the abort propagates. const promptDone = client.prompt({ sessionId, prompt: [{ type: 'text', text: step.text }] }) await waitForUpdate(u => u.sessionUpdate === 'agent_message_chunk') await client.cancel({ sessionId }) @@ -317,6 +410,24 @@ async function runStep( await client.cancel({ sessionId }) return } + case 'setConfigOption': { + const sessionId = getSessionId() + if (sessionId === undefined) throw new Error('snapshot-harness: setConfigOption before newSession') + await client.setSessionConfigOption({ sessionId, configId: step.configId, value: step.value }) + return + } + case 'setConfigOptionExpectError': { + const sessionId = getSessionId() + if (sessionId === undefined) throw new Error('snapshot-harness: setConfigOptionExpectError before newSession') + // The bridge rejects an unknown id / out-of-vocabulary value; the SDK + // surfaces that as a rejected RPC — swallow it so the run completes and + // the error frame is captured in the transcript. + await client.setSessionConfigOption({ sessionId, configId: step.configId, value: step.value }).then( + () => { throw new Error('snapshot-harness: expected set_config_option to be rejected but it succeeded') }, + () => { /* expected: the bridge rejected the id or value */ }, + ) + return + } default: throw new Error(`snapshot-harness: unknown input op ${JSON.stringify(step)}`) } @@ -324,6 +435,10 @@ async function runStep( /** Resolve once the child process exits (any code/signal). */ function waitForExit(child: ChildProcessWithoutNullStreams): Promise<void> { + // Race guard: both call sites run within one synchronous frame of + // stdin.end()/kill(), so the exit event cannot have been delivered yet; + // kept for any future caller that awaits in between. + /* v8 ignore next 1 -- unreachable race guard, see above */ if (child.exitCode !== null || child.signalCode !== null) return Promise.resolve() return new Promise<void>(resolve => child.once('exit', () => { resolve() })) } @@ -335,8 +450,8 @@ function waitForExit(child: ChildProcessWithoutNullStreams): Promise<void> { * * The JSONL backend lays sessions out as `<root>/<cwd-bucket>/<encoded-id>.jsonl` * (one bucket per cwd), so a parent and its same-cwd in-process child land in - * the SAME bucket — collecting all files across all buckets catches both (the - * old first-match short-circuit silently dropped the child). Returns `[]` if no + * the SAME bucket — collecting all files across all buckets catches both (a + * first-match short-circuit would silently drop the child). Returns `[]` if no * log was produced (a no-session scenario). */ async function harvestSessionLogs(root: string): Promise<HarvestedLog[]> { diff --git a/packages/support/acp-snapshot/src/index.ts b/packages/support/acp-snapshot/src/index.ts new file mode 100644 index 0000000000..74bee95385 --- /dev/null +++ b/packages/support/acp-snapshot/src/index.ts @@ -0,0 +1,39 @@ +/** + * ACP snapshot suite kit — the shared machinery behind the keyless snapshot + * tier (`pnpm run test:snapshot`). Three layers, composable per example: + * the subprocess scenario harness ({@link runScenario}), the pure golden + * normalizers ({@link normalizeStdout} / {@link normalizeSessionLog} / + * {@link scrubRequestHeaders} / {@link scrubSystemPrompts}), and the suite factory + * ({@link defineAcpSnapshotSuite}) that registers a scenario table as a full + * describe/it tree. An example's `*.snapshot.ts` supplies only its + * {@link AgentUnderTest} paths, its snapshots directory, and its + * {@link Scenario} table. + * + * NOTE: ./suite.ts imports vitest, so this package is importable only inside a + * vitest run — a support-tier constraint stated in the README. + * + * @module @deepseek-ai/dsh-acp-snapshot + */ + +export { + runScenario, + type AgentUnderTest, + type HarvestedLog, + type InputScript, + type InputStep, + type PermissionAnswer, + type RunOptions, + type RunResult, +} from './harness.ts' +export { + normalizeSessionLog, + normalizeStdout, + scrubRequestHeaders, + scrubSystemPrompts, + type NormalizeContext, +} from './normalize.ts' +export { + defineAcpSnapshotSuite, + type Scenario, + type SnapshotSuiteOptions, +} from './suite.ts' diff --git a/examples/acp-agent/tests/snapshot-normalize.ts b/packages/support/acp-snapshot/src/normalize.ts similarity index 51% rename from examples/acp-agent/tests/snapshot-normalize.ts rename to packages/support/acp-snapshot/src/normalize.ts index 8150057fa4..a68fcf83d3 100644 --- a/examples/acp-agent/tests/snapshot-normalize.ts +++ b/packages/support/acp-snapshot/src/normalize.ts @@ -12,11 +12,26 @@ * `durationMs` (wall-clock hook runtime) → 0. NOT scrubbed: the log's `seq` * (deterministic — `seq = log.length`, part of the event-log contract). * + * Separate, composable normalizers keep bulky request-header content out of + * session fixtures. {@link scrubSystemPrompts} replaces the composed system + * prompt in EVERY fixture; {@link scrubRequestHeaders} additionally replaces + * tool schemas and the session prefix outside each suite's header-pinning + * scenario. They are deliberately NOT folded into + * {@link normalizeSessionLog}: the suite factory composes the right scrub for + * each scenario and snapshots the pin's actual prompt as Markdown (see the + * pinned-header RFC, + * docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md). + * * See docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md. + * + * @module @deepseek-ai/dsh-acp-snapshot/normalize */ const SESSION_ID = '{{sessionId}}' const CWD = '{{cwd}}' +const SYSTEM = '{{system}}' +const TOOLS = '{{tools}}' +const MESSAGE_PREFIX = '{{messagePrefix}}' /** A UUID v4 string, the shape `randomUUID()` produces for session ids. */ const UUID_RE = /[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/gi @@ -59,6 +74,10 @@ function scrubValue(value: unknown, ctx: NormalizeContext): unknown { * (1, 2, 3, …) and all volatile strings scrubbed. Throws if any non-empty line * is not valid JSON — that doubles as the stdout-purity check (no logger leaked * onto the protocol). + * + * @param rawStdout The captured stdout bytes, decoded utf8. + * @param ctx The run's volatile values to scrub. + * @returns The normalized NDJSON transcript, one frame per line. */ export function normalizeStdout(rawStdout: string, ctx: NormalizeContext): string { const lines = rawStdout.split('\n').filter(line => line.trim().length > 0) @@ -87,6 +106,10 @@ export function normalizeStdout(rawStdout: string, ctx: NormalizeContext): strin * zeroed/scrubbed, all volatile strings scrubbed, and `seq` is LEFT INTACT * (deterministic by contract). Output is JSONL in the same shape as the input — * one compact record per line. + * + * @param rawLog The raw session `.jsonl` content. + * @param ctx The run's volatile values to scrub. + * @returns The normalized JSONL log, one record per line. */ export function normalizeSessionLog(rawLog: string, ctx: NormalizeContext): string { const lines = rawLog.split('\n').filter(line => line.trim().length > 0) @@ -110,3 +133,84 @@ export function normalizeSessionLog(rawLog: string, ctx: NormalizeContext): stri }) return records.map(r => JSON.stringify(r)).join('\n') + '\n' } + +/** + * Replace system-prompt content in request headers and header deltas with + * `{{system}}` tokens while retaining field presence and delta structure. + * Other header content stays verbatim, so a header-pinning fixture can keep + * its complete tool schemas while every JSONL fixture omits the prompt text. + * Lines without a system payload pass through byte-for-byte; the transform is + * idempotent. + * + * @param rawLog The raw session `.jsonl` content. + * @returns The JSONL with system-prompt content tokenized. + */ +export function scrubSystemPrompts(rawLog: string): string { + return scrubHeaderContent(rawLog, false) +} + +/** + * Replace all bulky request-header content in a session JSONL with stable + * tokens. This includes the system-prompt fields handled by + * {@link scrubSystemPrompts}, tool schemas, and session-prefix messages. It + * keeps system-delta line positions and arity, tool-delta names, prefix + * message counts, field presence, config, and reason. Lines without content + * to scrub pass through byte-for-byte, and the transform is idempotent. + * + * @param rawLog The raw session `.jsonl` content. + * @returns The JSONL with all header bulk tokenized, other lines byte-identical. + */ +export function scrubRequestHeaders(rawLog: string): string { + return scrubHeaderContent(rawLog, true) +} + +/** Transform header content, optionally including tool schemas and the session prefix. */ +function scrubHeaderContent(rawLog: string, scrubToolsAndPrefix: boolean): string { + const lines = rawLog.split('\n') + const out = lines.map((line) => { + if (line.trim().length === 0) return line + const record = JSON.parse(line) as Record<string, unknown> + const data = record.data as Record<string, unknown> | null | undefined + if (data === null || typeof data !== 'object') return line + if (record.type === 'request/header') { + const header = data.header as Record<string, unknown> | null | undefined + if (header === null || typeof header !== 'object') return line + let touched = false + if ('system' in header) { header.system = SYSTEM; touched = true } + if (scrubToolsAndPrefix && 'tools' in header) { header.tools = TOOLS; touched = true } + if (scrubToolsAndPrefix && Array.isArray(header.messagePrefix)) { + header.messagePrefix = header.messagePrefix.map(() => MESSAGE_PREFIX) + touched = true + } + return touched ? JSON.stringify(record) : line + } + if (record.type === 'request/header-delta') { + let touched = false + const system = data.system as Record<string, unknown> | null | undefined + if (system !== null && typeof system === 'object' && Array.isArray(system.insert)) { + system.insert = system.insert.map(() => SYSTEM) + touched = true + } + const tools = data.tools as Record<string, unknown> | null | undefined + if (scrubToolsAndPrefix && tools !== null && typeof tools === 'object') { + if (Array.isArray(tools.added)) { tools.added = tools.added.map(scrubToolSchema); touched = true } + if (Array.isArray(tools.changed)) { tools.changed = tools.changed.map(scrubToolSchema); touched = true } + } + if (scrubToolsAndPrefix && Array.isArray(data.messagePrefix)) { + data.messagePrefix = data.messagePrefix.map(() => MESSAGE_PREFIX) + touched = true + } + return touched ? JSON.stringify(record) : line + } + return line + }) + return out.join('\n') +} + +/** Tokenize one tool schema's bulk (description, parameters, anything else), keeping its identifying `name`. */ +function scrubToolSchema(tool: unknown): unknown { + if (tool === null || typeof tool !== 'object' || Array.isArray(tool)) return tool + const out: Record<string, unknown> = {} + for (const [k, v] of Object.entries(tool)) out[k] = k === 'name' ? v : TOOLS + return out +} diff --git a/packages/support/acp-snapshot/src/suite.ts b/packages/support/acp-snapshot/src/suite.ts new file mode 100644 index 0000000000..418470f2be --- /dev/null +++ b/packages/support/acp-snapshot/src/suite.ts @@ -0,0 +1,679 @@ +/** + * The ACP snapshot suite factory (REPLAY by default, keyless). A suite is a + * scenario table plus a snapshots directory: each scenario under + * `<snapshotsDir>/<name>/` ships an `input.json` (the client stdin script) and + * a `session.jsonl` fixture; replay boots the real agent subprocess + * (./harness.ts), drives it, and diffs the normalized stdout transcript + * against the committed `stdout.golden.jsonl`. For model scenarios it ALSO + * checks the re-persisted session log — against the `session.jsonl` fixture + * itself, not a separate golden: the fixture doubles as the replay source + * (recorded scenarios) and the expected produced log (both sides normalized + * before comparing). + * + * Request-header content is pinned by exactly ONE scenario per HEADER CLASS — + * scenarios that boot the same config compose the same header. Every JSONL + * fixture scrubs the system prompt to `{{system}}`; each class's pinning + * scenario stores the readable prompt in `system-prompt.golden.md` and keeps its full + * tool schemas in `session.jsonl`, while every other fixture also scrubs tools + * to `{{tools}}`. A per-run uniformity guard compares both artifacts against + * every live header and forbids unrepresented header deltas (see the + * pinned-header RFC, + * docs/rfc/implemented/testing/2026-07-06-pin-request-header-content-in-one-scenario.md). + * + * `pnpm run test:snapshot:record` (DSH_SNAPSHOT=record + -u) re-records the + * `session.jsonl` fixtures against the real API and refreshes the stdout golden + * in one pass. `pnpm run test:snapshot:refresh` (DSH_SNAPSHOT=refresh) instead + * replays the committed model scripts keylessly and writes the current stdout + * + persisted-log goldens back without calling a live LLM. The caller resolves + * that env into {@link SnapshotSuiteOptions} (env reading stays at the suite + * edge, not in this library). + * + * @module @deepseek-ai/dsh-acp-snapshot/suite + */ + +import { readFile, readdir, writeFile } from 'node:fs/promises' +import { existsSync } from 'node:fs' +import { join } from 'node:path' +import { describe, expect, it } from 'vitest' +import { type AgentUnderTest, type HarvestedLog, type InputScript, runScenario } from './harness.ts' +import { + type NormalizeContext, + normalizeSessionLog, + normalizeStdout, + scrubRequestHeaders, + scrubSystemPrompts, +} from './normalize.ts' + +/** The readable system-prompt snapshot beside each header-pinning fixture. */ +const SYSTEM_PROMPT_SNAPSHOT = 'system-prompt.golden.md' + +/** A snapshot scenario and how its fixtures are produced. */ +export interface Scenario { + name: string + /** Whether the scenario drives at least one model turn (so a JSONL golden applies). */ + hasModelTurn: boolean + /** + * Whether the run persists a comparable session log to diff against the + * `session.jsonl` fixture. Defaults to {@link hasModelTurn} (a model turn + * always produces a log worth comparing). Set it independently for a scenario + * that produces a non-trivial log WITHOUT a model turn — e.g. a prompt blocked + * by a `UserPromptSubmit` hook, which opens a `rejected` turn carrying `hook/*` + * events but never calls the model. + */ + comparesLog?: boolean + /** + * Whether `test:snapshot:record` regenerates this scenario's `session.jsonl` + * from the LIVE API. `recorded` scenarios are model-driven and reproducible; + * `authored` scenarios (fixtures hand-written or hand-harvested — e.g. a + * provider error or a cancel the live API can't be coaxed into + * deterministically, a deterministic hook scenario, or a scripted repetition + * a live model won't reproduce) are NEVER re-recorded. + */ + recorded: boolean + /** + * Whether replay is driven by a hand-written `replay.override.json` sidecar + * (a `ReplayEntry[]` that REPLACES the script derived from `session.jsonl`) + * — the throw/hang cases chunks cannot express. The fixture guard requires + * the sidecar exactly when this is set: the harness forwards the file purely + * on existence, so an unregistered stray sidecar would silently replace the + * derived script — the guard fails loud on either mismatch. Defaults to + * false (replay derives from the fixture's `assistant/chunk` events). + */ + overridden?: boolean + /** + * How many SUBAGENT child sessions this scenario records beyond the top-level + * one (0 for a single-session scenario). Each child rides in a sibling fixture + * `session.<n>.jsonl` (1-based); replay forwards them to `dsh-llm-replay` so + * each child session replays from its own script, and record mode writes the + * harvested child logs back to those files. Defaults to 0. + */ + childSessions?: number + /** + * Whether THIS scenario pins its header class's model-facing request-header + * content. Its actual composed prompt is maintained as a readable + * `system-prompt.golden.md`; its JSONL keeps full tool schemas but stores the prompt + * as `{{system}}`. Every other scenario of the class stores tools as + * `{{tools}}` too ({@link scrubRequestHeaders}). A prompt or tool-schema + * change therefore shows up in one focused artifact per class, not every + * session fixture. One pin per class suffices because + * header composition is class-uniform (parent, spawn child, and fork child + * all compose the same prompt-modulo-cwd and the same tools) — and that + * premise is ASSERTED, not assumed: every non-pinning run's live headers + * must equal its class's pinned fixture's (normalized), so a + * session-dependent header (say, a restricted subagent toolset) fails loud + * until it gets its own pinning scenario. + * Defaults to false. + */ + pinsHeader?: boolean + /** + * How many `request/header-delta` events this PINNING scenario's fixture + * legitimately carries (default 0). A recorded mid-run header change — a + * config-option switch rewriting a prompt section — is part of the pinned + * surface, with readable prompt text in Markdown; any OTHER count + * still fails, so fixture rot stays caught. Meaningless off the pin (the + * live uniformity guard keeps non-pinning scenarios delta-free). + */ + expectedHeaderDeltas?: number + /** + * Which header-composition class this scenario belongs to. Scenarios that + * boot the same config compose the same header; each class has exactly one + * {@link pinsHeader} scenario, and the uniformity guard compares every + * other member against ITS class's pin. Defaults to `'default'`; a + * scenario booting an alternate config ({@link configPath}) whose tool + * list or prompt sections differ by construction carries its own class. + */ + headerClass?: string + /** + * Alternate LIVE config path (absolute) this scenario boots instead of + * {@link AgentUnderTest.configPath} — an overlay composing a different + * tree (its basename must still end in `cordis.yml` so the bin's replay + * swap finds the sibling `*cordis.snapshot.yml`). A scenario whose + * overlay changes the composed header also needs its own + * {@link headerClass}. + */ + configPath?: string +} + +/** One suite's inputs: the agent to boot, where its fixtures live, and its scenario table. */ +export interface SnapshotSuiteOptions { + /** The agent composition every scenario boots. */ + agent: AgentUnderTest + /** Absolute path of the suite's `snapshots/` directory (one subdir per scenario). */ + snapshotsDir: string + /** The scenario table; exactly one entry per header class must set `pinsHeader`. */ + scenarios: Scenario[] + /** + * `replay` (keyless, the default tier), `record` (live API; re-records the + * `recorded` scenarios' fixtures and refreshes the Vitest goldens under + * `--update`), or `refresh` (keyless replay that rewrites stdout goldens and + * comparable session fixtures from the replay run). The caller derives this + * from `$DSH_SNAPSHOT` — env reading stays outside this library. + */ + mode: 'replay' | 'record' | 'refresh' +} + +/** + * The sibling child-fixture paths for a scenario (`session.1.jsonl` …). + * + * @param dir The scenario's snapshots directory (`<snapshotsDir>/<name>`). + * @param childSessions How many subagent child sessions the scenario records. + * @returns One path per child, 1-based, in fixture order. + */ +export function childFixturePaths(dir: string, childSessions: number): string[] { + return Array.from({ length: childSessions }, (_, i) => join(dir, `session.${i + 1}.jsonl`)) +} + +/** + * Derive the {@link NormalizeContext} for a `session.jsonl` fixture from its own + * header line (`{ type: 'session', id, cwd }`). A committed fixture carries the + * session id and cwd of the run that harvested it — different from the live + * replay run — so normalizing it against the live run's ctx would leave those + * recorded values unscrubbed. Reading them from the header scrubs the fixture's + * own id/cwd to the same `{{sessionId}}`/`{{cwd}}` tokens the replay output gets. + * An authored fixture whose header is already normalized (`id:'{{sessionId}}'`, + * `cwd:'{{cwd}}'`) yields those tokens as the volatile values, so scrubbing them + * is an idempotent no-op. A header with no `cwd` falls back to a sentinel that + * cannot occur in a log (NOT `''`, which `String.split` would match on every + * character boundary and corrupt the output). + * + * @param fixture The committed `session.jsonl` content. + * @returns The fixture's own volatile values, ready for {@link normalizeSessionLog}. + */ +export function fixtureContext(fixture: string): NormalizeContext { + const firstLine = fixture.split('\n').find(line => line.trim().length > 0) ?? '{}' + const header = JSON.parse(firstLine) as { id?: unknown; cwd?: unknown } + return { + sessionIds: typeof header.id === 'string' ? [header.id] : [], + cwd: typeof header.cwd === 'string' ? header.cwd : '\0no-cwd\0', + } +} + +/** + * The `data.header` payload of every `request/header` event in a session + * JSONL, in log order, with the log's volatile values scrubbed first + * ({@link normalizeSessionLog}) so headers harvested from different runs — + * each embedding its own temp cwd in the composed prompt — compare on equal + * footing. + * + * @param rawLog The session `.jsonl` content to extract headers from. + * @param ctx The volatile values of the run that produced it. + * @returns The normalized `data.header` payloads, in log order. + */ +export function normalizedHeaders(rawLog: string, ctx: NormalizeContext): unknown[] { + return normalizeSessionLog(rawLog, ctx) + .split('\n') + .filter(line => line.trim().length > 0) + .map(line => JSON.parse(line) as { type?: unknown; data?: { header?: unknown } }) + .filter(record => record.type === 'request/header') + .map(record => record.data?.header) +} + +/** + * The normalized string-valued system prompts carried by request headers in a + * session JSONL, in log order. Headers without a string prompt are omitted so + * callers can assert one prompt per header explicitly. + * + * @param rawLog The session `.jsonl` content to inspect. + * @param ctx The volatile values of the run that produced it. + * @returns The normalized system prompts, in header order. + */ +export function normalizedSystemPrompts(rawLog: string, ctx: NormalizeContext): string[] { + return normalizedHeaders(rawLog, ctx).flatMap((header) => { + if (header === null || typeof header !== 'object') return [] + const system = (header as { system?: unknown }).system + return typeof system === 'string' ? [system] : [] + }) +} + +/** One normalized system-prompt edit carried by a `request/header-delta`. */ +export interface SystemPromptDeltaSnapshot { + /** How many leading lines remain from the prior prompt. */ + keepStart: number + /** How many trailing lines remain from the prior prompt. */ + keepEnd: number + /** The normalized replacement lines inserted between the retained ranges. */ + insert: string[] +} + +/** + * Extract normalized system-prompt edits from request-header deltas in log + * order. Deltas without a well-formed system edit are omitted; their non-prompt + * structure remains pinned in JSONL. + * + * @param rawLog The session `.jsonl` content to inspect. + * @param ctx The volatile values of the run that produced it. + * @returns The normalized system-prompt edits, in event order. + */ +export function normalizedSystemPromptDeltas(rawLog: string, ctx: NormalizeContext): SystemPromptDeltaSnapshot[] { + return normalizeSessionLog(rawLog, ctx) + .split('\n') + .filter(line => line.trim().length > 0) + .map(line => JSON.parse(line) as { type?: unknown; data?: { system?: unknown } }) + .filter(record => record.type === 'request/header-delta') + .flatMap((record) => { + const system = record.data?.system + if (system === null || typeof system !== 'object') return [] + const { keepStart, keepEnd, insert } = system as { keepStart?: unknown; keepEnd?: unknown; insert?: unknown } + if (typeof keepStart !== 'number' || typeof keepEnd !== 'number' || !Array.isArray(insert)) return [] + if (!insert.every(line => typeof line === 'string')) return [] + return [{ keepStart, keepEnd, insert: insert }] + }) +} + +/** + * Render a normalized prompt as a repository-friendly Markdown snapshot. + * Prompt text is unchanged except that a missing terminal newline is added so + * the committed file follows the repository newline contract. + * + * @param prompt The normalized system prompt. + * @param deltas Normalized prompt edits to append as readable sections. + * @returns Markdown snapshot text ending in a newline. + */ +export function formatSystemPromptSnapshot( + prompt: string, + deltas: readonly SystemPromptDeltaSnapshot[] = [], +): string { + let snapshot = prompt.endsWith('\n') ? prompt : `${prompt}\n` + for (const [index, delta] of deltas.entries()) { + snapshot += `\n<!-- request/header-delta ${index + 1}: keepStart=${delta.keepStart}, keepEnd=${delta.keepEnd} -->\n\n` + const insert = delta.insert.join('\n') + snapshot += insert.endsWith('\n') ? insert : `${insert}\n` + } + return snapshot +} + +/** Return the initial-prompt portion of a possibly delta-bearing snapshot. */ +function initialSystemPromptSnapshot(snapshot: string): string { + const marker = snapshot.indexOf('\n<!-- request/header-delta ') + return marker < 0 ? snapshot : snapshot.slice(0, marker) +} + +/** + * Count the `request/header-delta` events in a session JSONL. + * + * @param rawLog The session `.jsonl` content. + * @returns How many `request/header-delta` events the log carries. + */ +export function headerDeltaCount(rawLog: string): number { + return rawLog.split('\n') + .filter(line => line.trim().length > 0) + .filter(line => (JSON.parse(line) as { type?: unknown }).type === 'request/header-delta') + .length +} + +/** A literal string replacement used to carry an existing fixture's volatile value into a refreshed log. */ +export interface FixtureReplacement { + /** The fresh replay-run value to replace. */ + from: string + /** The existing fixture value to keep. */ + to: string +} + +function parseJsonlRecords(text: string): Record<string, unknown>[] { + return text.split('\n') + .filter(line => line.trim().length > 0) + .map(line => JSON.parse(line) as Record<string, unknown>) +} + +/** + * Build the cross-log id/cwd replacements used by refresh write-back. + * + * @param logs The freshly harvested logs, in fixture order. + * @param fixtures The existing fixture contents, in matching order. + * @returns Literal replacements from fresh volatile values to the fixture's old values. + */ +export function refreshFixtureReplacements(logs: HarvestedLog[], fixtures: string[]): FixtureReplacement[] { + const replacements: FixtureReplacement[] = [] + for (let i = 0; i < logs.length; i++) { + const fresh = parseJsonlRecords((logs[i] as HarvestedLog).content)[0] + const existing = parseJsonlRecords(fixtures[i] ?? '')[0] + for (const field of ['id', 'cwd'] as const) { + const from = fresh?.[field] + const to = existing?.[field] + if (typeof from === 'string' && typeof to === 'string' && from.length > 0 && from !== to) { + replacements.push({ from, to }) + } + } + } + return replacements +} + +function preserveFixtureVolatiles(record: Record<string, unknown>, existing: Record<string, unknown> | undefined): void { + if (existing === undefined || existing.type !== record.type) return + if (record.type === 'session') { + for (const field of ['id', 'createdAt', 'cwd', 'parentSession'] as const) { + if (field in record && field in existing) record[field] = existing[field] + } + return + } + if ('time' in record && 'time' in existing) record.time = existing.time + if (record.type !== 'hook/result') return + const data = record.data + const existingData = existing.data + if ( + data !== null && typeof data === 'object' + && existingData !== null && typeof existingData === 'object' + && 'durationMs' in data && 'durationMs' in existingData + ) { + (data as Record<string, unknown>).durationMs = (existingData as Record<string, unknown>).durationMs + } +} + +/** + * Rewrite a fresh replay-produced log so repeated refreshes do not churn + * volatile fixture fields. Meaningful event payloads come from `fresh`; the + * existing fixture lends session ids, cwd, creation times, event times, and + * hook durations where the record shape still matches. + * + * @param fresh The newly harvested session JSONL. + * @param existing The committed fixture JSONL being refreshed. + * @param replacements Cross-log literal replacements from {@link refreshFixtureReplacements}. + * @returns The stabilized JSONL content to write back. + */ +export function stabilizeRefreshLog(fresh: string, existing: string, replacements: FixtureReplacement[]): string { + let stable = fresh + for (const { from, to } of replacements) stable = stable.split(from).join(to) + const existingRecords = parseJsonlRecords(existing) + const records = parseJsonlRecords(stable) + for (let i = 0; i < records.length; i++) { + preserveFixtureVolatiles(records[i] as Record<string, unknown>, existingRecords[i]) + } + return records.map(record => JSON.stringify(record)).join('\n') + '\n' +} + +/** + * Register the suite: one `describe` per scenario (the golden/log compares and + * the header-uniformity guard) plus the fixture guard block (no orphan + * scenario dirs, required files present, exactly one pin per header class, + * pinning fixtures well-formed, every JSONL prompt-scrubbed, non-pinning + * fixtures fully header-scrubbed). Must + * run at vitest collection time — it calls `describe`/`it`. Throws + * immediately if any header class lacks a pinning scenario or carries two + * (the uniformity guard needs exactly one comparison anchor per class). + * + * @param options The agent, snapshots directory, scenario table, and mode. + */ +export function defineAcpSnapshotSuite(options: SnapshotSuiteOptions): void { + const { agent, snapshotsDir, scenarios, mode } = options + const RECORDING = mode === 'record' + const REFRESHING = mode === 'refresh' + const childMode: 'replay' | 'record' = RECORDING ? 'record' : 'replay' + + /** The class a scenario's header composition belongs to (see {@link Scenario.headerClass}). */ + const classOf = (scenario: Scenario): string => scenario.headerClass ?? 'default' + + /** Each header class's single pinning scenario. Guarded here (and by meta-tests) so a pin cannot silently vanish or split. */ + const pinningByClass = new Map<string, Scenario>() + for (const scenario of scenarios) { + if (scenario.pinsHeader !== true) continue + const cls = classOf(scenario) + const existing = pinningByClass.get(cls) + if (existing) throw new Error(`acp-snapshot: header class "${cls}" pinned by both ${existing.name} and ${scenario.name}`) + pinningByClass.set(cls, scenario) + } + for (const scenario of scenarios) { + if (!pinningByClass.has(classOf(scenario))) { + throw new Error(`acp-snapshot: no scenario pins the request-header content of class "${classOf(scenario)}" (needed by ${scenario.name})`) + } + } + + for (const scenario of scenarios) { + describe(`snapshot: ${scenario.name}`, () => { + // In RECORD mode, only re-run the `recorded` (live-API) scenarios; the + // `authored` ones (sidecar-driven errors/cancel) are never re-recorded. + // REFRESH mode is replay-backed and deterministic, so it runs every + // scenario and rewrites the comparable fixtures from that replay run. + it.skipIf(RECORDING && !scenario.recorded)('matches the goldens', async () => { + const dir = join(snapshotsDir, scenario.name) + const input = JSON.parse(await readFile(join(dir, 'input.json'), 'utf8')) as InputScript + const overrideFile = join(dir, 'replay.override.json') + const workspaceDir = join(dir, 'workspace') + const childSessions = scenario.childSessions ?? 0 + const comparesLog = scenario.comparesLog ?? scenario.hasModelTurn + const result = await runScenario(input, { + agent, + mode: childMode, + fixtureFile: join(dir, 'session.jsonl'), + ...existsSync(overrideFile) ? { overrideFile } : {}, + // In REPLAY, forward the recorded child fixtures so each subagent session + // replays from its own script. In RECORD they are harvested, not read. + ...!RECORDING && childSessions > 0 ? { childFiles: childFixturePaths(dir, childSessions) } : {}, + ...existsSync(workspaceDir) ? { workspaceDir } : {}, + // A scenario booting an overlay tree passes its own live config; the + // bin's replay swap derives the sibling `*cordis.snapshot.yml` from it. + ...scenario.configPath !== undefined ? { configPath: scenario.configPath } : {}, + }) + + // Scrub every volatile id the run produced: the ACP server-issued session + // id plus every harvested log's recorded id (a subagent child id never + // surfaces over ACP, but it appears in the child's own log header). The + // normalizer's UUID catch-all covers any we don't enumerate. + const ctx: NormalizeContext = { + sessionIds: [ + ...result.sessionId !== undefined ? [result.sessionId] : [], + ...result.sessionLogs.map(l => l.id), + ], + cwd: result.cwd, + } + + // RECORD mode (recorded model scenarios only): persist the freshly-harvested + // live logs back to their fixtures. REFRESH mode does the same from a + // keyless replay run for every comparable log, including authored + // scenarios that live record deliberately skips. The primary goes to + // session.jsonl, each child to session.<n>.jsonl in harvest order. A + // Every fixture is written with its system prompt scrubbed. A pinning + // scenario keeps the remaining header content (notably tool schemas); + // every other scenario scrubs that bulk too. Record/refresh therefore + // cannot smuggle prompt text back into JSONL or duplicate schemas. + const scrub = scenario.pinsHeader === true + ? scrubSystemPrompts + : scrubRequestHeaders + const fixtureFiles = ['session.jsonl', ...Array.from({ length: childSessions }, (_, i) => `session.${i + 1}.jsonl`)] + const existingFixtures = REFRESHING + ? await Promise.all(fixtureFiles.map(file => readFile(join(dir, file), 'utf8'))) + : [] + const replacements = REFRESHING ? refreshFixtureReplacements(result.sessionLogs, existingFixtures) : [] + const writesSessionFixtures = (RECORDING && scenario.recorded && scenario.hasModelTurn) + || (REFRESHING && comparesLog) + if (writesSessionFixtures) { + expect(result.sessionLogs.length, `${mode} produced no session log to harvest`).toBeGreaterThan(0) + expect(result.sessionLogs.length, `expected ${childSessions + 1} session logs (parent + children)`) + .toBe(childSessions + 1) + const primary = (result.sessionLogs[0] as HarvestedLog).content + await writeFile(join(dir, 'session.jsonl'), scrub( + REFRESHING ? stabilizeRefreshLog(primary, existingFixtures[0] as string, replacements) : primary, + )) + for (let i = 1; i < result.sessionLogs.length; i++) { + const child = (result.sessionLogs[i] as HarvestedLog).content + await writeFile(join(dir, `session.${i}.jsonl`), scrub( + REFRESHING ? stabilizeRefreshLog(child, existingFixtures[i] as string, replacements) : child, + )) + } + if (scenario.pinsHeader === true) { + const prompts = result.sessionLogs.flatMap(log => normalizedSystemPrompts(log.content, ctx)) + expect(prompts.length, `${mode} produced no system prompt to snapshot`).toBeGreaterThan(0) + const initialSnapshot = formatSystemPromptSnapshot(prompts[0] as string) + for (const prompt of prompts) { + expect(formatSystemPromptSnapshot(prompt), 'the pinning run produced divergent system prompts') + .toEqual(initialSnapshot) + } + const primary = result.sessionLogs[0] as HarvestedLog + const snapshot = formatSystemPromptSnapshot( + prompts[0] as string, + normalizedSystemPromptDeltas(primary.content, ctx), + ) + await writeFile(join(dir, SYSTEM_PROMPT_SNAPSHOT), snapshot) + } + } + + const stdout = normalizeStdout(result.rawStdout, ctx) + if (REFRESHING) { + await writeFile(join(dir, 'stdout.golden.jsonl'), stdout) + } + await expect(stdout).toMatchFileSnapshot(join(dir, 'stdout.golden.jsonl')) + + // A model turn always produces a log worth comparing; a hook scenario can + // produce one without a model turn (a `rejected` turn carrying `hook/*`). + if (comparesLog) { + // The harvested logs (primary-first) must match their committed fixtures + // 1:1. Each side passes through normalizeSessionLog, scrubbed against ITS + // OWN volatile values — the live run's via `ctx`, the committed fixture's + // via its own header (a committed file cannot share the live run's ids). + // Both sides pass through the scenario's idempotent scrub: every live + // prompt becomes the fixture's `{{system}}`; non-pinning scenarios + // additionally tokenize tools/prefix. The dedicated header guard below + // compares those omitted values against their class's pin artifacts. + expect(result.sessionLogs.length, 'this scenario must persist a session log').toBe(childSessions + 1) + for (let i = 0; i < fixtureFiles.length; i++) { + const harvested = scrub((result.sessionLogs[i] as HarvestedLog).content) + const fixture = scrub(await readFile(join(dir, fixtureFiles[i] as string), 'utf8')) + expect(normalizeSessionLog(harvested, ctx), `${fixtureFiles[i]} mismatch`) + .toEqual(normalizeSessionLog(fixture, fixtureContext(fixture))) + } + } + + // Header-uniformity guard: every live header in a class must equal the + // class pin split across its JSONL header (system token + real tools) + // and readable Markdown prompt. A pinning scenario may carry its + // declared header deltas; their prompt edits live in the Markdown + // golden while JSONL retains the tokenized edit structure. + /* v8 ignore next -- construction guarantees the pin exists; a miss would fail the one-header assertion loudly. */ + const pinningScenario = pinningByClass.get(classOf(scenario)) ?? scenario + const pinningDir = join(snapshotsDir, pinningScenario.name) + const pinnedFixture = await readFile(join(pinningDir, 'session.jsonl'), 'utf8') + const pinned = normalizedHeaders(pinnedFixture, fixtureContext(pinnedFixture)) + const promptSnapshot = await readFile(join(pinningDir, SYSTEM_PROMPT_SNAPSHOT), 'utf8') + const initialPromptSnapshot = initialSystemPromptSnapshot(promptSnapshot) + expect(pinned.length, `the pinning fixture (${pinningScenario.name}) must carry exactly one request/header`) + .toBe(1) + for (const [logIndex, log] of result.sessionLogs.entries()) { + const expectedDeltas = scenario.pinsHeader === true && logIndex === 0 + ? scenario.expectedHeaderDeltas ?? 0 + : 0 + expect(headerDeltaCount(log.content), `session ${log.id}: request/header-delta count`) + .toBe(expectedDeltas) + const headers = normalizedHeaders(scrubSystemPrompts(log.content), ctx) + const prompts = normalizedSystemPrompts(log.content, ctx) + expect(prompts.length, `session ${log.id}: every request/header must carry a string system prompt`) + .toBe(headers.length) + for (const [k, header] of headers.entries()) { + expect(header, `session ${log.id}: request/header #${k + 1} diverged from the pinned (${pinningScenario.name}) header`) + .toEqual(pinned[0]) + expect(formatSystemPromptSnapshot(prompts[k] as string), `session ${log.id}: initial system prompt #${k + 1} diverged from ${pinningScenario.name}/${SYSTEM_PROMPT_SNAPSHOT}`) + .toEqual(initialPromptSnapshot) + } + if (scenario.pinsHeader === true && logIndex === 0) { + expect(formatSystemPromptSnapshot( + prompts[0] as string, + normalizedSystemPromptDeltas(log.content, ctx), + ), `session ${log.id}: system-prompt deltas diverged from ${pinningScenario.name}/${SYSTEM_PROMPT_SNAPSHOT}`) + .toEqual(promptSnapshot) + } + } + }) + }) + } + + describe('snapshot fixtures', () => { + it('every scenario directory is registered (no orphans)', async () => { + // toMatchFileSnapshot does not prune orphaned golden/fixture files, so a + // renamed/removed scenario could leave a stale dir that nothing exercises. + // Fail loud on any snapshots/<dir> not present in the scenario table. + const entries = await readdir(snapshotsDir, { withFileTypes: true }) + const onDisk = entries.filter(e => e.isDirectory()).map(e => e.name).sort() + const registered = scenarios.map(s => s.name).sort() + expect(onDisk).toEqual(registered) + }) + + it('every registered scenario has its required fixture files', () => { + // Every scenario has an input script and an stdout golden. EVERY scenario + // also needs `session.jsonl`: the suite boots `llm-replay` with that path + // as the replay source for ALL scenarios (the factory passes + // `fixtureFile: <dir>/session.jsonl` unconditionally), and `loadReplayScript` + // throws "fixture not found" when it is absent and no override replaces it. + // A no-model scenario ships a header-only `session.jsonl` (it derives to an + // empty script — no model call is made); a model scenario's fixture also + // doubles as the expected-log artifact the run is diffed against. The + // `replay.override.json` sidecar is matched BOTH ways against the table's + // `overridden` flag: required when set, forbidden when not — the harness + // forwards the file purely on existence, so an unregistered stray sidecar + // would silently replace the derived script. + for (const { name, overridden, childSessions, pinsHeader } of scenarios) { + const dir = join(snapshotsDir, name) + expect(existsSync(join(dir, 'input.json')), `${name}/input.json`).toBe(true) + expect(existsSync(join(dir, 'stdout.golden.jsonl')), `${name}/stdout.golden.jsonl`).toBe(true) + expect(existsSync(join(dir, 'session.jsonl')), `${name}/session.jsonl`).toBe(true) + expect(existsSync(join(dir, 'replay.override.json')), `${name}/replay.override.json presence must match \`overridden\``) + .toBe(overridden === true) + expect(existsSync(join(dir, SYSTEM_PROMPT_SNAPSHOT)), `${name}/${SYSTEM_PROMPT_SNAPSHOT} presence must match \`pinsHeader\``) + .toBe(pinsHeader === true) + // A nested-agent scenario ships one child fixture per recorded subagent + // session (`session.1.jsonl` …), the replay source for that child session. + for (const childFixture of childFixturePaths(dir, childSessions ?? 0)) { + expect(existsSync(childFixture), childFixture).toBe(true) + } + } + }) + + it('exactly one scenario pins the request-header content of each header class', () => { + // Zero pins would drop a class's prompt/schema surface from the suite + // entirely; two would split it. One pin per class is the design + // (pinned-header RFC); WHICH scenario pins is the scenario table's + // reviewable choice. + const pins = new Map<string, string[]>() + for (const scenario of scenarios.filter(s => s.pinsHeader === true)) { + const cls = classOf(scenario) + pins.set(cls, [...pins.get(cls) ?? [], scenario.name]) + } + expect(Object.fromEntries([...pins].map(([cls, names]) => [cls, names.length]))).toEqual( + Object.fromEntries([...pinningByClass.keys()].map(cls => [cls, 1]))) + for (const scenario of scenarios) { + expect(pinningByClass.has(classOf(scenario)), `class "${classOf(scenario)}" (scenario ${scenario.name}) has a pin`).toBe(true) + } + }) + + it('every pinning fixture carries one request/header, one readable prompt, and its declared deltas', async () => { + // The live uniformity guard runs only in NON-pinning scenarios, so a + // class made of just its pinning scenario would otherwise accept a + // re-recorded pin with several headers or an undeclared mid-run + // header-delta — shapes the pin design cannot represent. Assert the + // committed pins directly; a scenario whose arc legitimately rewrites + // a prompt section declares the exact count via expectedHeaderDeltas. + for (const scenario of pinningByClass.values()) { + const fixture = await readFile(join(snapshotsDir, scenario.name, 'session.jsonl'), 'utf8') + const headers = normalizedHeaders(fixture, fixtureContext(fixture)) + const promptSnapshot = await readFile(join(snapshotsDir, scenario.name, SYSTEM_PROMPT_SNAPSHOT), 'utf8') + expect(headers.length, `${scenario.name}: a pinning fixture must carry exactly one request/header`).toBe(1) + expect(promptSnapshot.length, `${scenario.name}/${SYSTEM_PROMPT_SNAPSHOT} must not be empty`).toBeGreaterThan(0) + expect(promptSnapshot.endsWith('\n'), `${scenario.name}/${SYSTEM_PROMPT_SNAPSHOT} must end in a newline`).toBe(true) + expect(headerDeltaCount(fixture), `${scenario.name}: a pinning fixture must carry exactly its declared request/header-deltas`) + .toBe(scenario.expectedHeaderDeltas ?? 0) + } + }) + + it('every committed JSONL omits system prompts and only pinning fixtures keep other header bulk', async () => { + // System prompts always live in the readable Markdown artifact. Header + // pins keep tool schemas/prefixes in JSONL; every other fixture tokenizes + // all header bulk. Fixed-point checks make both storage rules fail loud. + for (const scenario of scenarios) { + const dir = join(snapshotsDir, scenario.name) + const files = [ + 'session.jsonl', + ...Array.from({ length: scenario.childSessions ?? 0 }, (_, i) => `session.${i + 1}.jsonl`), + ] + for (const file of files) { + const fixture = await readFile(join(dir, file), 'utf8') + expect(scrubSystemPrompts(fixture), `${scenario.name}/${file} carries an unscrubbed system prompt`) + .toEqual(fixture) + if (scenario.pinsHeader === true) { + expect(scrubRequestHeaders(fixture), `${scenario.name}/${file} must pin the non-system header content`) + .not.toEqual(fixture) + } else { + expect(scrubRequestHeaders(fixture), `${scenario.name}/${file} carries unscrubbed header content`) + .toEqual(fixture) + } + } + } + }) + }) +} diff --git a/packages/support/acp-snapshot/tests/fixtures/fake-acp-agent.ts b/packages/support/acp-snapshot/tests/fixtures/fake-acp-agent.ts new file mode 100644 index 0000000000..861c9d2b04 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/fake-acp-agent.ts @@ -0,0 +1,267 @@ +/** + * Scripted fake ACP agent bin for `dsh-acp-snapshot`'s unit specs. Speaks + * newline-delimited JSON-RPC on stdio like the real `dsh-acp-agent` bin, but + * every behavior — how prompts settle, whether session/new rejects, which + * session logs get persisted, what filesystem noise to leave — comes from a + * `behavior.json` sitting NEXT to the `$DSH_SNAPSHOT_FILE` fixture, so a spec + * scripts a whole subprocess run from data. The specs launch it through the + * REAL `runScenario` spawn path (tsx loader, temp cwd, env plumbing), so the + * harness plumbing is exercised for real; only the agent behind the protocol + * is scripted. + * + * The specs (not the golden tier) own this bin: it asserts nothing, echoes + * observable facts into `session/update` text chunks (env probe, permission + * outcome, seeded-workspace listing) for the spec to read off `rawStdout`, and + * exits 0 on stdin EOF after writing the scripted logs — mirroring the real + * bin's dispose-flush-exit shape. + */ + +import { mkdirSync, readFileSync, rmSync, writeFileSync } from 'node:fs' +import { readdirSync } from 'node:fs' +import { dirname, join } from 'node:path' +import { randomUUID } from 'node:crypto' +import { createInterface } from 'node:readline' + +/** One scripted session log: a file path under the sessions root plus its JSONL lines. */ +interface ScriptedLog { + /** Path relative to `$DSH_SNAPSHOT_SESSIONS_ROOT`, e.g. `bucket/a.jsonl` (an empty dir segment is invalid). */ + file: string + /** + * The JSONL records. String templates `{{CWD}}` and `{{SID}}` are replaced + * with the run's real cwd and the ACP session id this bin issued, so a + * written log carries genuine volatile values for the normalizers to scrub. + */ + lines: unknown[] +} + +/** The whole scripted behavior for one run. Every field defaults to the least surprising choice. */ +interface Behavior { + /** Reject every `session/new` (exercises the expect-error step without extra dirs). */ + rejectNewSession?: boolean + /** Reject `session/new` only when `additionalDirectories` is non-empty (the real bridge's rule). */ + rejectExtraDirs?: boolean + /** How `session/prompt` settles: a clean response, a JSON-RPC error, or a hang until `session/cancel`. */ + prompt?: 'respond' | 'error' | 'hang-until-cancel' + /** Before responding to a prompt, send a `session/request_permission` request and echo its outcome as a chunk. */ + permissionProbe?: boolean + /** Echo the `DSH_SNAPSHOT_*` env the harness set as a chunk (spec-side env-plumbing assertions). */ + echoEnv?: boolean + /** Echo the sorted cwd listing as a chunk (spec-side workspace-seeding assertions). */ + echoWorkspace?: boolean + /** Write a line to stderr on boot (spec-side stderr-capture assertions). */ + stderrNote?: string + /** Session logs to persist on stdin EOF. */ + logs?: ScriptedLog[] + /** Leave a stray FILE directly under the sessions root (harvest must skip it). */ + strayRootFile?: boolean + /** Leave a stray non-`.jsonl` file inside a bucket (harvest must skip it). */ + strayBucketFile?: boolean + /** Delete the sessions root entirely (harvest must yield no logs). */ + deleteSessionsRoot?: boolean + /** + * Vocabulary for `session/set_config_option`: allowed values per config id. + * A set naming an unknown id or an out-of-vocabulary value rejects (the + * real bridge's rule); a valid set answers with the complete refreshed + * option state, `currentValue` updated. Absent: every set rejects. + */ + configOptions?: Record<string, string[]> +} + +const sessionsRoot = process.env.DSH_SNAPSHOT_SESSIONS_ROOT ?? '' +const fixtureFile = process.env.DSH_SNAPSHOT_FILE ?? '' +const behavior: Behavior = fixtureFile === '' + ? {} + : JSON.parse(readFileSync(join(dirname(fixtureFile), 'behavior.json'), 'utf8')) as Behavior + +if (behavior.stderrNote !== undefined) process.stderr.write(`${behavior.stderrNote}\n`) + +let nextOutboundId = 1000 +let sessionId = '' +/** + * The cwd the client passed to `session/new` — used verbatim for `{{CWD}}` + * substitution, mirroring the real bin (whose persisted header carries the + * session cwd as given, NOT `process.cwd()`, which the OS realpaths — on + * macOS `/var/folders/…` vs `/private/var/folders/…`). + */ +let sessionCwd = '' +/** The parked prompt request id while `hang-until-cancel` waits for the cancel notification. */ +let parkedPromptId: number | string | null = null +/** Resolvers for permission-probe responses, keyed by outbound request id. */ +const pendingPermission = new Map<number, (outcome: unknown) => void>() +/** Per-run `session/set_config_option` state: config id → current value (first vocabulary entry until set). */ +const currentConfig: Record<string, string> = {} + +function send(frame: Record<string, unknown>): void { + process.stdout.write(`${JSON.stringify({ jsonrpc: '2.0', ...frame })}\n`) +} + +function respond(id: number | string, result: unknown): void { + send({ id, result }) +} + +function respondError(id: number | string, message: string): void { + send({ id, error: { code: -32603, message } }) +} + +function chunk(text: string): void { + send({ + method: 'session/update', + params: { sessionId, update: { sessionUpdate: 'agent_message_chunk', content: { type: 'text', text } } }, + }) +} + +/** Substitute the `{{CWD}}`/`{{SID}}` templates through a scripted log record. */ +function instantiate(value: unknown): unknown { + if (typeof value === 'string') return value.split('{{CWD}}').join(sessionCwd).split('{{SID}}').join(sessionId) + if (Array.isArray(value)) return value.map(instantiate) + if (value !== null && typeof value === 'object') { + const out: Record<string, unknown> = {} + for (const [k, v] of Object.entries(value)) out[k] = instantiate(v) + return out + } + return value +} + +async function handlePrompt(id: number | string): Promise<void> { + if ((behavior.prompt ?? 'respond') === 'hang-until-cancel') { + // A thought chunk BEFORE any message chunk: a promptAndCancel waiter + // watches for agent_message_chunk, so this exercises its non-matching + // update path while the waiter is armed. + send({ + method: 'session/update', + params: { sessionId, update: { sessionUpdate: 'agent_thought_chunk', content: { type: 'text', text: 'mulling' } } }, + }) + } + chunk('thinking about it') + if (behavior.echoEnv === true) { + chunk(`env:${JSON.stringify({ + mode: process.env.DSH_SNAPSHOT, + override: process.env.DSH_SNAPSHOT_OVERRIDE ?? null, + childFiles: process.env.DSH_SNAPSHOT_CHILD_FILES ?? null, + })}`) + } + if (behavior.echoWorkspace === true) { + chunk(`workspace:${readdirSync(process.cwd()).sort().join(',')}`) + } + if (behavior.permissionProbe === true) { + const requestId = nextOutboundId++ + const outcome = await new Promise<unknown>((resolve) => { + pendingPermission.set(requestId, resolve) + send({ + id: requestId, + method: 'session/request_permission', + params: { + sessionId, + toolCall: { toolCallId: 'call_fake_1', title: 'fake tool', kind: 'execute', status: 'pending' }, + options: [ + { optionId: 'opt-allow', name: 'Allow once', kind: 'allow_once' }, + { optionId: 'opt-reject', name: 'Reject once', kind: 'reject_once' }, + ], + }, + }) + }) + chunk(`permission:${JSON.stringify(outcome)}`) + } + switch (behavior.prompt ?? 'respond') { + case 'respond': + respond(id, { stopReason: 'end_turn' }) + return + case 'error': + respondError(id, 'model exploded') + return + case 'hang-until-cancel': + parkedPromptId = id + return + } +} + +function handleFrame(frame: Record<string, unknown>): void { + const id = frame.id as number | string | undefined + const method = frame.method as string | undefined + const params = (frame.params ?? {}) as Record<string, unknown> + // A response to one of OUR outbound requests (the permission probe). + if (method === undefined && id !== undefined && typeof id === 'number' && pendingPermission.has(id)) { + const resolve = pendingPermission.get(id) as (outcome: unknown) => void + pendingPermission.delete(id) + resolve((frame.result as { outcome?: unknown } | undefined)?.outcome ?? null) + return + } + switch (method) { + case 'initialize': + respond(id as number | string, { protocolVersion: 1, agentCapabilities: { loadSession: false } }) + return + case 'session/new': { + const extra = params.additionalDirectories as unknown[] | undefined + if (behavior.rejectNewSession === true || (behavior.rejectExtraDirs === true && extra !== undefined && extra.length > 0)) { + respondError(id as number | string, 'unsupported workspace scope') + return + } + sessionId = randomUUID() + sessionCwd = typeof params.cwd === 'string' ? params.cwd : process.cwd() + respond(id as number | string, { sessionId }) + return + } + case 'session/prompt': + void handlePrompt(id as number | string) + return + case 'session/set_config_option': { + const vocabulary = behavior.configOptions + const configId = params.configId as string + const value = params.value as string + const values = vocabulary?.[configId] + if (values === undefined) { + respondError(id as number | string, `unknown config option ${configId}`) + return + } + if (!values.includes(value)) { + respondError(id as number | string, `unknown ${configId} value ${value}`) + return + } + currentConfig[configId] = value + // The real bridge's contract: every set answers with the COMPLETE + // refreshed option state, not just the changed entry. + respond(id as number | string, { + configOptions: Object.entries(vocabulary as Record<string, string[]>).map(([cid, vs]) => ({ + id: cid, + type: 'select', + currentValue: currentConfig[cid] ?? vs[0], + options: vs.map(v => ({ value: v, name: v })), + })), + }) + return + } + case 'session/cancel': + if (parkedPromptId !== null) { + const parked = parkedPromptId + parkedPromptId = null + respond(parked, { stopReason: 'cancelled' }) + } + return + default: + // Unknown method: a notification is ignored; a request gets an error so + // the SDK never waits forever on a frame this fake doesn't model. + if (id !== undefined) respondError(id, `unhandled method ${String(method)}`) + } +} + +function flushLogsAndExit(): void { + for (const log of behavior.logs ?? []) { + const target = join(sessionsRoot, log.file) + mkdirSync(dirname(target), { recursive: true }) + writeFileSync(target, log.lines.map(l => JSON.stringify(instantiate(l))).join('\n') + '\n') + } + if (behavior.strayRootFile === true) writeFileSync(join(sessionsRoot, 'stray.txt'), 'not a bucket\n') + if (behavior.strayBucketFile === true) { + mkdirSync(join(sessionsRoot, 'bucket-noise'), { recursive: true }) + writeFileSync(join(sessionsRoot, 'bucket-noise', 'notes.txt'), 'not a session log\n') + } + if (behavior.deleteSessionsRoot === true) rmSync(sessionsRoot, { recursive: true, force: true }) + process.exit(0) +} + +const rl = createInterface({ input: process.stdin }) +rl.on('line', (line) => { + if (line.trim().length === 0) return + handleFrame(JSON.parse(line) as Record<string, unknown>) +}) +rl.on('close', () => { flushLogsAndExit() }) diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/behavior.json b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/behavior.json new file mode 100644 index 0000000000..d44a3a9698 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/behavior.json @@ -0,0 +1,13 @@ +{ + "prompt": "respond", + "logs": [ + { "file": "b/parent.jsonl", "lines": [ + { "type": "session", "id": "{{SID}}", "createdAt": 700, "cwd": "{{CWD}}" }, + { "type": "request/header", "seq": 0, "time": 3, "data": { "header": { "config": { "model": "fake" }, "system": "SYS PROMPT", "tools": [{ "name": "t1", "description": "D1", "parameters": { "type": "object" } }] }, "reason": "initial" } } + ]}, + { "file": "b/child.jsonl", "lines": [ + { "type": "session", "id": "abababab-cdcd-4efe-8ada-badabadabada", "createdAt": 800, "cwd": "{{CWD}}", "parentSession": "{{SID}}" }, + { "type": "request/header", "seq": 0, "time": 2, "data": { "header": { "config": { "model": "fake" }, "system": "SYS PROMPT", "tools": [{ "name": "t1", "description": "D1", "parameters": { "type": "object" } }] }, "reason": "initial" } } + ]} + ] +} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/input.json b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/input.json new file mode 100644 index 0000000000..6d3e49b830 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/input.json @@ -0,0 +1 @@ +{ "steps": [{ "op": "initialize" }, { "op": "newSession" }, { "op": "prompt", "text": "rec child" }] } diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/session.1.jsonl b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/session.1.jsonl new file mode 100644 index 0000000000..1caf2610b3 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/session.1.jsonl @@ -0,0 +1,2 @@ +{"type":"session","id":"abababab-cdcd-4efe-8ada-badabadabada","createdAt":800,"cwd":"/var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-KBQJbW","parentSession":"f6fa7fcf-dd9c-4b39-8815-b25ddcebfd88"} +{"type":"request/header","seq":0,"time":2,"data":{"header":{"config":{"model":"fake"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/session.jsonl new file mode 100644 index 0000000000..a2beac360d --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/session.jsonl @@ -0,0 +1,2 @@ +{"type":"session","id":"f6fa7fcf-dd9c-4b39-8815-b25ddcebfd88","createdAt":700,"cwd":"/var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-KBQJbW"} +{"type":"request/header","seq":0,"time":3,"data":{"header":{"config":{"model":"fake"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/stdout.golden.jsonl b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/stdout.golden.jsonl new file mode 100644 index 0000000000..f173b45b77 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-child/stdout.golden.jsonl @@ -0,0 +1,4 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentCapabilities":{"loadSession":false}}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"thinking about it"}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/behavior.json b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/behavior.json new file mode 100644 index 0000000000..a24e30d80a --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/behavior.json @@ -0,0 +1,10 @@ +{ + "prompt": "respond", + "logs": [{ + "file": "b/main.jsonl", + "lines": [ + { "type": "session", "id": "{{SID}}", "createdAt": 600, "cwd": "{{CWD}}" }, + { "type": "request/header", "seq": 0, "time": 4, "data": { "header": { "config": { "model": "fake" }, "system": "SYS PROMPT", "tools": [{ "name": "t1", "description": "D1", "parameters": { "type": "object" } }] }, "reason": "initial" } } + ] + }] +} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/input.json b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/input.json new file mode 100644 index 0000000000..9573d20b27 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/input.json @@ -0,0 +1 @@ +{ "steps": [{ "op": "initialize" }, { "op": "newSession" }, { "op": "prompt", "text": "rec pin" }] } diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/session.jsonl new file mode 100644 index 0000000000..d496dbdb1d --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/session.jsonl @@ -0,0 +1,2 @@ +{"type":"session","id":"ccdc749f-56f3-4267-9750-598b5c60b7b2","createdAt":600,"cwd":"/var/folders/2g/b32ct0qn1d728l_v6tdkjytr0000gn/T/acp-snap-cwd-nOQ4Gy"} +{"type":"request/header","seq":0,"time":4,"data":{"header":{"config":{"model":"fake"},"system":"{{system}}","tools":[{"name":"t1","description":"D1","parameters":{"type":"object"}}]},"reason":"initial"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/stdout.golden.jsonl b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/stdout.golden.jsonl new file mode 100644 index 0000000000..f173b45b77 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/stdout.golden.jsonl @@ -0,0 +1,4 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentCapabilities":{"loadSession":false}}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"thinking about it"}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/system-prompt.golden.md b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/system-prompt.golden.md new file mode 100644 index 0000000000..63940ec7c6 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-pin/system-prompt.golden.md @@ -0,0 +1 @@ +SYS PROMPT diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/behavior.json b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/behavior.json new file mode 100644 index 0000000000..0967ef424b --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/behavior.json @@ -0,0 +1 @@ +{} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/input.json b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/input.json new file mode 100644 index 0000000000..d1e94c22eb --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/input.json @@ -0,0 +1 @@ +{ "steps": [{ "op": "initialize" }] } diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/replay.override.json b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/replay.override.json new file mode 100644 index 0000000000..8ed00c0651 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/replay.override.json @@ -0,0 +1 @@ +[{ "kind": "hang" }] diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/session.jsonl new file mode 100644 index 0000000000..104f2a0df2 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/session.jsonl @@ -0,0 +1 @@ +{"type":"session","id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}"} diff --git a/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/stdout.golden.jsonl b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/stdout.golden.jsonl new file mode 100644 index 0000000000..d6a1d2b232 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/record-suite/rec-skip/stdout.golden.jsonl @@ -0,0 +1 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentCapabilities":{"loadSession":false}}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/behavior.json b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/behavior.json new file mode 100644 index 0000000000..808d9672b9 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/behavior.json @@ -0,0 +1,10 @@ +{ + "prompt": "error", + "logs": [{ + "file": "b/main.jsonl", + "lines": [ + { "type": "session", "id": "{{SID}}", "createdAt": 500, "cwd": "{{CWD}}" }, + { "type": "turn/end", "seq": 1, "time": 9, "data": { "error": "model exploded" } } + ] + }] +} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/input.json b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/input.json new file mode 100644 index 0000000000..c281971465 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/input.json @@ -0,0 +1 @@ +{ "steps": [{ "op": "initialize" }, { "op": "newSession" }, { "op": "promptExpectError", "text": "boom" }] } diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/replay.override.json b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/replay.override.json new file mode 100644 index 0000000000..e868115f35 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/replay.override.json @@ -0,0 +1 @@ +[{ "kind": "throw", "chunks": [], "message": "model exploded", "code": "PROVIDER" }] diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/session.jsonl new file mode 100644 index 0000000000..36991a214e --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/session.jsonl @@ -0,0 +1,2 @@ +{"type":"session","id":"44444444-3333-4222-8111-000000000000","createdAt":17,"cwd":"/rec/authored-cwd"} +{"type":"turn/end","seq":1,"time":17,"data":{"error":"model exploded"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/stdout.golden.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/stdout.golden.jsonl new file mode 100644 index 0000000000..2a1d69bd93 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/authored-error/stdout.golden.jsonl @@ -0,0 +1,4 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentCapabilities":{"loadSession":false}}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"thinking about it"}}}} +{"jsonrpc":"2.0","id":3,"error":{"code":-32603,"message":"model exploded"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/behavior.json b/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/behavior.json new file mode 100644 index 0000000000..e0a438297d --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/behavior.json @@ -0,0 +1,10 @@ +{ + "prompt": "error", + "logs": [{ + "file": "b/main.jsonl", + "lines": [ + { "type": "session", "id": "{{SID}}", "createdAt": 400, "cwd": "{{CWD}}" }, + { "type": "hook/result", "seq": 1, "time": 8, "data": { "decision": "block", "durationMs": 37 } } + ] + }] +} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/input.json b/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/input.json new file mode 100644 index 0000000000..0a711dca3c --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/input.json @@ -0,0 +1 @@ +{ "steps": [{ "op": "initialize" }, { "op": "newSession" }, { "op": "promptExpectError", "text": "blocked" }] } diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/session.jsonl new file mode 100644 index 0000000000..6d8474812d --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/session.jsonl @@ -0,0 +1,2 @@ +{"type":"session","id":"99999999-8888-4777-8666-555555555555","createdAt":13,"cwd":"/rec/blocked-cwd"} +{"type":"hook/result","seq":1,"time":13,"data":{"decision":"block","durationMs":99}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/stdout.golden.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/stdout.golden.jsonl new file mode 100644 index 0000000000..2a1d69bd93 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/blocked-log/stdout.golden.jsonl @@ -0,0 +1,4 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentCapabilities":{"loadSession":false}}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"thinking about it"}}}} +{"jsonrpc":"2.0","id":3,"error":{"code":-32603,"message":"model exploded"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/no-model/behavior.json b/packages/support/acp-snapshot/tests/fixtures/suite/no-model/behavior.json new file mode 100644 index 0000000000..0967ef424b --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/no-model/behavior.json @@ -0,0 +1 @@ +{} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/no-model/input.json b/packages/support/acp-snapshot/tests/fixtures/suite/no-model/input.json new file mode 100644 index 0000000000..d1e94c22eb --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/no-model/input.json @@ -0,0 +1 @@ +{ "steps": [{ "op": "initialize" }] } diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/no-model/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/no-model/session.jsonl new file mode 100644 index 0000000000..104f2a0df2 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/no-model/session.jsonl @@ -0,0 +1 @@ +{"type":"session","id":"{{sessionId}}","createdAt":0,"cwd":"{{cwd}}"} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/no-model/stdout.golden.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/no-model/stdout.golden.jsonl new file mode 100644 index 0000000000..d6a1d2b232 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/no-model/stdout.golden.jsonl @@ -0,0 +1 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentCapabilities":{"loadSession":false}}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/behavior.json b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/behavior.json new file mode 100644 index 0000000000..ad47d20380 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/behavior.json @@ -0,0 +1,12 @@ +{ + "prompt": "respond", + "logs": [{ + "file": "b/main.jsonl", + "lines": [ + { "type": "session", "id": "{{SID}}", "createdAt": 100, "cwd": "{{CWD}}" }, + { "type": "request/header", "seq": 0, "time": 100, "data": { "header": { "config": { "model": "fake" }, "system": "SYS PROMPT", "tools": [{ "name": "t1", "description": "D1", "parameters": { "type": "object" } }] }, "reason": "initial" } }, + { "type": "request/header-delta", "seq": 1, "time": 100, "data": { "system": { "keepStart": 1, "keepEnd": 0, "insert": ["NEW PROMPT LINE"] } } }, + { "type": "turn/start", "seq": 2, "time": 100, "data": { "turn": 1 } } + ] + }] +} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/input.json b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/input.json new file mode 100644 index 0000000000..b9e2d9bbc5 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/input.json @@ -0,0 +1 @@ +{ "steps": [{ "op": "initialize" }, { "op": "newSession" }, { "op": "prompt", "text": "pin" }] } diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/session.jsonl new file mode 100644 index 0000000000..0215afd538 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/session.jsonl @@ -0,0 +1,4 @@ +{"type":"session","id":"12121212-3434-4545-8686-787878787878","createdAt":7,"cwd":"/rec/pin-cwd"} +{"type":"request/header","seq":0,"time":7,"data":{"header":{"config":{"model":"fake"},"system":"{{system}}","tools":[{"name":"t1","description":"D1","parameters":{"type":"object"}}]},"reason":"initial"}} +{"type":"request/header-delta","seq":1,"time":7,"data":{"system":{"keepStart":1,"keepEnd":0,"insert":["{{system}}"]}}} +{"type":"turn/start","seq":2,"time":7,"data":{"turn":1}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/stdout.golden.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/stdout.golden.jsonl new file mode 100644 index 0000000000..f173b45b77 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/stdout.golden.jsonl @@ -0,0 +1,4 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentCapabilities":{"loadSession":false}}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"thinking about it"}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/system-prompt.golden.md b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/system-prompt.golden.md new file mode 100644 index 0000000000..77a5bc4cd7 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/pin-turn/system-prompt.golden.md @@ -0,0 +1,5 @@ +SYS PROMPT + +<!-- request/header-delta 1: keepStart=1, keepEnd=0 --> + +NEW PROMPT LINE diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/behavior.json b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/behavior.json new file mode 100644 index 0000000000..d5cbbf9d28 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/behavior.json @@ -0,0 +1,15 @@ +{ + "prompt": "respond", + "echoWorkspace": true, + "logs": [ + { "file": "b/parent.jsonl", "lines": [ + { "type": "session", "id": "{{SID}}", "createdAt": 200, "cwd": "{{CWD}}" }, + { "type": "request/header", "seq": 0, "time": 5, "data": { "header": { "config": { "model": "fake" }, "system": "SYS PROMPT", "tools": [{ "name": "t1", "description": "D1", "parameters": { "type": "object" } }] }, "reason": "initial" } }, + { "type": "assistant/chunk", "seq": 1, "time": 5, "data": { "turn": 1, "step": 1, "chunk": { "type": "text-delta", "index": 0, "text": "hi" } } } + ]}, + { "file": "b/child.jsonl", "lines": [ + { "type": "session", "id": "eeeeeeee-1111-4222-8333-444444444444", "createdAt": 300, "cwd": "{{CWD}}", "parentSession": "{{SID}}" }, + { "type": "request/header", "seq": 0, "time": 6, "data": { "header": { "config": { "model": "fake" }, "system": "SYS PROMPT", "tools": [{ "name": "t1", "description": "D1", "parameters": { "type": "object" } }] }, "reason": "initial" } } + ]} + ] +} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/input.json b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/input.json new file mode 100644 index 0000000000..60b9e363b5 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/input.json @@ -0,0 +1 @@ +{ "steps": [{ "op": "initialize" }, { "op": "newSession" }, { "op": "prompt", "text": "plain" }] } diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/session.1.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/session.1.jsonl new file mode 100644 index 0000000000..a844f891fc --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/session.1.jsonl @@ -0,0 +1,2 @@ +{"type":"session","id":"eeeeeeee-1111-4222-8333-444444444444","createdAt":12,"cwd":"/rec/plain-cwd","parentSession":"56565656-7878-4989-8a9a-9b9b9b9b9b9b"} +{"type":"request/header","seq":0,"time":12,"data":{"header":{"config":{"model":"fake"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/session.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/session.jsonl new file mode 100644 index 0000000000..744998f959 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/session.jsonl @@ -0,0 +1,3 @@ +{"type":"session","id":"56565656-7878-4989-8a9a-9b9b9b9b9b9b","createdAt":11,"cwd":"/rec/plain-cwd"} +{"type":"request/header","seq":0,"time":11,"data":{"header":{"config":{"model":"fake"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}} +{"type":"assistant/chunk","seq":1,"time":11,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"hi"}}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/stdout.golden.jsonl b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/stdout.golden.jsonl new file mode 100644 index 0000000000..d0242ae39f --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/stdout.golden.jsonl @@ -0,0 +1,5 @@ +{"jsonrpc":"2.0","id":1,"result":{"protocolVersion":1,"agentCapabilities":{"loadSession":false}}} +{"jsonrpc":"2.0","id":2,"result":{"sessionId":"{{sessionId}}"}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"thinking about it"}}}} +{"jsonrpc":"2.0","method":"session/update","params":{"sessionId":"{{sessionId}}","update":{"sessionUpdate":"agent_message_chunk","content":{"type":"text","text":"workspace:seed.txt"}}}} +{"jsonrpc":"2.0","id":3,"result":{"stopReason":"end_turn"}} diff --git a/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/workspace/seed.txt b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/workspace/seed.txt new file mode 100644 index 0000000000..c19e887d68 --- /dev/null +++ b/packages/support/acp-snapshot/tests/fixtures/suite/plain-turn/workspace/seed.txt @@ -0,0 +1 @@ +seeded diff --git a/packages/support/acp-snapshot/tests/harness.spec.ts b/packages/support/acp-snapshot/tests/harness.spec.ts new file mode 100644 index 0000000000..b0817a8d04 --- /dev/null +++ b/packages/support/acp-snapshot/tests/harness.spec.ts @@ -0,0 +1,321 @@ +import { mkdtemp, rm, writeFile } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { delimiter, join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { afterAll, describe, expect, it } from 'vitest' +import { runScenario, type AgentUnderTest, type InputStep } from '../src/harness.ts' + +/** + * Unit tests for the subprocess harness, driven through the REAL spawn path + * (tsx loader, temp cwd, env plumbing) against the scripted fake ACP bin in + * ./fixtures/fake-acp-agent.ts. Each case writes a `behavior.json` next to a + * throwaway fixture path; the fake bin echoes observable facts (env, seeded + * workspace, permission outcomes) into `agent_message_chunk` text, so the + * assertions read plain `rawStdout`. + */ + +const AGENT: AgentUnderTest = { + binScript: fileURLToPath(new URL('./fixtures/fake-acp-agent.ts', import.meta.url)), + // The fake bin ignores its config argv; any real path documents the shape. + configPath: fileURLToPath(new URL('./fixtures/fake-acp-agent.ts', import.meta.url)), + tsconfigPath: fileURLToPath(new URL('../../../../tsconfig.json', import.meta.url)), +} + +/** Temp scenario dirs to drop after the suite. */ +const tempDirs: string[] = [] +afterAll(async () => { + for (const dir of tempDirs) await rm(dir, { recursive: true, force: true }) +}) + +/** Write a behavior.json into a fresh temp dir; return the sibling fixture path the harness points the bin at. */ +async function scenario(behavior: object): Promise<{ dir: string; fixtureFile: string }> { + const dir = await mkdtemp(join(tmpdir(), 'acp-snap-spec-')) + tempDirs.push(dir) + await writeFile(join(dir, 'behavior.json'), JSON.stringify(behavior)) + return { dir, fixtureFile: join(dir, 'session.jsonl') } +} + +const boot: InputStep[] = [{ op: 'initialize' }, { op: 'newSession' }] + +describe('runScenario', () => { + it('drives a full turn: initialize (terminal caps), session, prompt, permission stub, harvest', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ + permissionProbe: true, + logs: [{ + file: 'bucket/main.jsonl', + lines: [ + { type: 'session', id: '{{SID}}', createdAt: 42, cwd: '{{CWD}}' }, + { type: 'turn/start', seq: 1, time: 9, data: { turn: 1 } }, + ], + }], + }) + const result = await runScenario( + { steps: [{ op: 'initialize', terminalOutput: true }, { op: 'newSession' }, { op: 'prompt', text: 'go' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.sessionId).toBeDefined() + // The harness's client answers a permission request with `cancelled`; the + // fake bin echoes the outcome it received back as a chunk. + expect(result.rawStdout).toContain('permission:{\\"outcome\\":\\"cancelled\\"}') + expect(result.sessionLogs).toHaveLength(1) + expect(result.sessionLogs[0]?.id).toBe(result.sessionId) + expect(result.sessionLogs[0]?.createdAt).toBe(42) + expect(result.sessionLogs[0]?.content).toContain('turn/start') + // The harvested log embeds the run's REAL temp cwd (template-substituted). + expect(result.sessionLogs[0]?.content).toContain(result.cwd) + }) + + it('forwards override/child fixture paths into the child env and captures stderr', { timeout: 20_000 }, async () => { + const { dir, fixtureFile } = await scenario({ echoEnv: true, stderrNote: 'fake bin booted' }) + const childFiles = [join(dir, 'session.1.jsonl'), join(dir, 'session.2.jsonl')] + const result = await runScenario( + { steps: [...boot, { op: 'prompt', text: 'env?' }] }, + { + agent: AGENT, + mode: 'replay', + fixtureFile, + overrideFile: join(dir, 'replay.override.json'), + childFiles, + // A workspaceDir that does not exist is skipped, not an error. + workspaceDir: join(dir, 'no-such-workspace'), + }, + ) + expect(result.stderr).toContain('fake bin booted') + expect(result.rawStdout).toContain('replay.override.json') + // Child paths ride one env var, joined with the platform delimiter. + expect(result.rawStdout).toContain(JSON.stringify(childFiles.join(delimiter)).slice(1, -1)) + }) + + it('seeds the workspace dir into the temp cwd before the run', { timeout: 20_000 }, async () => { + const { dir, fixtureFile } = await scenario({ echoWorkspace: true }) + const workspaceDir = join(dir, 'workspace') + await writeFile(join(dir, 'behavior.json'), JSON.stringify({ echoWorkspace: true })) + const { mkdir } = await import('node:fs/promises') + await mkdir(workspaceDir, { recursive: true }) + await writeFile(join(workspaceDir, 'seeded.txt'), 'hello') + const result = await runScenario( + { steps: [...boot, { op: 'prompt', text: 'ls' }] }, + { agent: AGENT, mode: 'replay', fixtureFile, workspaceDir }, + ) + expect(result.rawStdout).toContain('workspace:seeded.txt') + }) + + it('promptAndCancel waits for the streamed chunk, cancels, and settles the prompt', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ prompt: 'hang-until-cancel' }) + const result = await runScenario( + { steps: [...boot, { op: 'promptAndCancel', text: 'hang' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.rawStdout).toContain('"stopReason":"cancelled"') + // The streamed chunk deterministically precedes the cancelled response. + expect(result.rawStdout.indexOf('thinking about it')).toBeLessThan(result.rawStdout.indexOf('cancelled')) + }) + + it('promptExpectError swallows a model-error response as the expected outcome', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ prompt: 'error' }) + const result = await runScenario( + { steps: [...boot, { op: 'promptExpectError', text: 'boom' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.rawStdout).toContain('model exploded') + }) + + it('promptExpectError throws when the prompt unexpectedly succeeds (and teardown kills the live child)', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ prompt: 'respond' }) + await expect(runScenario( + { steps: [...boot, { op: 'promptExpectError', text: 'fine' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + )).rejects.toThrow(/expected the prompt to fail/) + }) + + it('newSessionExpectError swallows the rejection, with and without extra dirs', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ rejectExtraDirs: true }) + const result = await runScenario( + { steps: [{ op: 'initialize' }, { op: 'newSessionExpectError', additionalDirectories: ['/elsewhere'] }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + // No session was created, so no id and no logs. + expect(result.sessionId).toBeUndefined() + expect(result.sessionLogs).toHaveLength(0) + + const rejectAll = await scenario({ rejectNewSession: true }) + const second = await runScenario( + { steps: [{ op: 'initialize' }, { op: 'newSessionExpectError' }] }, + { agent: AGENT, mode: 'replay', fixtureFile: rejectAll.fixtureFile }, + ) + expect(second.rawStdout).toContain('unsupported workspace scope') + }) + + it('newSessionExpectError throws when session/new unexpectedly succeeds', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({}) + await expect(runScenario( + { steps: [{ op: 'initialize' }, { op: 'newSessionExpectError' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + )).rejects.toThrow(/expected session\/new to be rejected/) + }) + + it('a plain cancel step is forwarded (and ignored by an idle agent)', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({}) + const result = await runScenario( + { steps: [...boot, { op: 'cancel' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.sessionId).toBeDefined() + }) + + it.each([ + [{ op: 'prompt', text: 'x' }, /prompt before newSession/], + [{ op: 'promptExpectError', text: 'x' }, /promptExpectError before newSession/], + [{ op: 'promptAndCancel', text: 'x' }, /promptAndCancel before newSession/], + [{ op: 'cancel' }, /cancel before newSession/], + [{ op: 'setConfigOption', configId: 'sandbox-mode', value: 'read-only' }, /setConfigOption before newSession/], + [{ op: 'setConfigOptionExpectError', configId: 'sandbox-mode', value: 'yolo' }, /setConfigOptionExpectError before newSession/], + ] as [InputStep, RegExp][])('rejects %j before newSession', { timeout: 20_000 }, async (step, message) => { + const { fixtureFile } = await scenario({}) + await expect(runScenario( + { steps: [{ op: 'initialize' }, step] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + )).rejects.toThrow(message) + }) + + it('setConfigOption switches a value and receives the complete refreshed option state', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ + configOptions: { 'sandbox-mode': ['read-only', 'workspace-write'], 'approval-policy': ['ask', 'never'] }, + }) + const result = await runScenario( + { + steps: [...boot, + { op: 'setConfigOption', configId: 'sandbox-mode', value: 'workspace-write' }, + { op: 'setConfigOption', configId: 'approval-policy', value: 'never' }], + }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + // Every set answers with the FULL state: the second response carries the + // first switch's value too — the complete-refreshed-state contract. + const frames = result.rawStdout.trim().split('\n').map(line => JSON.parse(line) as { result?: { configOptions?: { id: string; currentValue: string }[] } }) + const states = frames + .map(f => f.result?.configOptions) + .filter(options => options !== undefined) + .map(options => Object.fromEntries((options as { id: string; currentValue: string }[]).map(o => [o.id, o.currentValue]))) + expect(states).toEqual([ + { 'sandbox-mode': 'workspace-write', 'approval-policy': 'ask' }, + { 'sandbox-mode': 'workspace-write', 'approval-policy': 'never' }, + ]) + }) + + it('setConfigOptionExpectError swallows the rejection for unknown ids and out-of-vocabulary values', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ configOptions: { 'sandbox-mode': ['read-only'] } }) + const result = await runScenario( + { + steps: [...boot, + { op: 'setConfigOptionExpectError', configId: 'sandbox-mode', value: 'yolo' }, + { op: 'setConfigOptionExpectError', configId: 'reasoning-effort', value: 'max' }], + }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.rawStdout).toContain('unknown sandbox-mode value yolo') + expect(result.rawStdout).toContain('unknown config option reasoning-effort') + }) + + it('setConfigOptionExpectError throws when the set unexpectedly succeeds', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ configOptions: { 'sandbox-mode': ['read-only'] } }) + await expect(runScenario( + { steps: [...boot, { op: 'setConfigOptionExpectError', configId: 'sandbox-mode', value: 'read-only' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + )).rejects.toThrow(/expected set_config_option to be rejected/) + }) + + it('rejects an unknown input op', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({}) + const bogus = { op: 'reticulate' } as unknown as InputStep + await expect(runScenario( + { steps: [bogus] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + )).rejects.toThrow(/unknown input op/) + }) + + it('harvests all logs primary-first, children by createdAt then id, skipping filesystem noise', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ + strayRootFile: true, + strayBucketFile: true, + logs: [ + // File names chosen so readdir feeds the sort children-first AND + // parent-in-the-middle: the comparator then sees a parent on both + // sides of a pair, plus the same-createdAt (localeCompare) tiebreak. + { file: 'b1/aa-child-c.jsonl', lines: [{ type: 'session', id: 'cccccccc-0000-4000-8000-000000000000', createdAt: 500, parentSession: '{{SID}}' }] }, + { file: 'b1/bb-parent.jsonl', lines: [{ type: 'session', id: '{{SID}}', createdAt: 900 }] }, + { file: 'b1/cc-child-a.jsonl', lines: [{ type: 'session', id: 'aaaaaaaa-0000-4000-8000-000000000000', createdAt: 500, parentSession: '{{SID}}' }] }, + // Missing id/createdAt fall back to ''/0; earliest child by createdAt. + { file: 'b2/orphan-fields.jsonl', lines: [{ type: 'session', parentSession: '{{SID}}' }] }, + ], + }) + const result = await runScenario( + { steps: [...boot, { op: 'prompt', text: 'go' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.sessionLogs.map(l => [l.id, l.createdAt])).toEqual([ + [result.sessionId, 900], + ['', 0], + ['aaaaaaaa-0000-4000-8000-000000000000', 500], + ['cccccccc-0000-4000-8000-000000000000', 500], + ]) + expect(result.sessionLogs[1]?.parentSession).toBe(result.sessionId) + }) + + it('treats an empty log file as a header-less primary with default fields', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ logs: [{ file: 'b/empty.jsonl', lines: [] }] }) + const result = await runScenario( + { steps: boot }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.sessionLogs.map(l => [l.id, l.createdAt, l.parentSession])).toEqual([['', 0, undefined]]) + }) + + it('yields no logs when the sessions root vanished', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ deleteSessionsRoot: true }) + const result = await runScenario( + { steps: boot }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.sessionLogs).toHaveLength(0) + }) + + it('answers permission requests from the scripted queue by option kind, falling back to cancelled', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ permissionProbe: true }) + // Two prompts → two permission round-trips; one scripted answer, so the + // second request exercises the exhausted-queue fallback. + const result = await runScenario( + { + steps: [...boot, { op: 'prompt', text: 'one' }, { op: 'prompt', text: 'two' }], + permissionAnswers: [{ kind: 'allow_once' }], + }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + const first = result.rawStdout.indexOf('permission:{\\"outcome\\":\\"selected\\",\\"optionId\\":\\"opt-allow\\"}') + const second = result.rawStdout.indexOf('permission:{\\"outcome\\":\\"cancelled\\"}') + expect(first).toBeGreaterThanOrEqual(0) + expect(second).toBeGreaterThan(first) + }) + + it('selects a non-first offered option by kind', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ permissionProbe: true }) + const result = await runScenario( + { steps: [...boot, { op: 'prompt', text: 'deny it' }], permissionAnswers: [{ kind: 'reject_once' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + ) + expect(result.rawStdout).toContain('permission:{\\"outcome\\":\\"selected\\",\\"optionId\\":\\"opt-reject\\"}') + }) + + it('rejects the run on a scripted permission kind the agent never offered', { timeout: 20_000 }, async () => { + const { fixtureFile } = await scenario({ permissionProbe: true }) + // The fake bin offers allow_once/reject_once; scripting allow_always is a + // scenario bug. The agent is answered `cancelled` (it must not be able to + // absorb the bug as an error-means-denial), and the RUN fails: a callback + // throw would only reach the agent as a JSON-RPC error response, letting + // a tolerant agent carry on and the scenario pass — or record. + await expect(runScenario( + { steps: [...boot, { op: 'prompt', text: 'impossible click' }], permissionAnswers: [{ kind: 'allow_always' }] }, + { agent: AGENT, mode: 'replay', fixtureFile }, + )).rejects.toThrow(/allow_always not among the offered options \[allow_once, reject_once\]/) + }) +}) diff --git a/packages/support/acp-snapshot/tests/normalize.spec.ts b/packages/support/acp-snapshot/tests/normalize.spec.ts new file mode 100644 index 0000000000..bdde120a76 --- /dev/null +++ b/packages/support/acp-snapshot/tests/normalize.spec.ts @@ -0,0 +1,308 @@ +import { describe, expect, it } from 'vitest' +import { + type NormalizeContext, + normalizeSessionLog, + normalizeStdout, + scrubRequestHeaders, + scrubSystemPrompts, +} from '../src/normalize.ts' + +/** + * Unit tests for the pure snapshot normalizers. Live as a *.spec.ts (runs in + * the default unit gate) and import the normalizers directly. + */ + +const ctx: NormalizeContext = { + sessionIds: ['11111111-2222-3333-4444-555555555555'], + cwd: '/tmp/acp-snap-cwd-abc123', +} + +describe('normalizeStdout', () => { + it('rewrites JSON-RPC ids to a stable first-seen sequence', () => { + const raw = [ + JSON.stringify({ jsonrpc: '2.0', id: 42, method: 'initialize' }), + JSON.stringify({ jsonrpc: '2.0', id: 42, result: {} }), + JSON.stringify({ jsonrpc: '2.0', id: 99, method: 'session/new' }), + ].join('\n') + const out = normalizeStdout(raw, ctx) + expect(out).toContain('"id":1') + expect(out).toContain('"id":2') + expect(out).not.toContain('42') + expect(out).not.toContain('99') + }) + + it('scrubs the cwd and session id anywhere they appear', () => { + const raw = JSON.stringify({ + jsonrpc: '2.0', method: 'session/update', + params: { sessionId: ctx.sessionIds[0], cwd: ctx.cwd, note: `at ${ctx.cwd}/x` }, + }) + const out = normalizeStdout(raw, ctx) + expect(out).toContain('{{sessionId}}') + expect(out).toContain('{{cwd}}') + expect(out).not.toContain(ctx.cwd) + expect(out).not.toContain(ctx.sessionIds[0] as string) + }) + + it('scrubs a stray UUID not in the known list', () => { + const raw = JSON.stringify({ jsonrpc: '2.0', method: 'x', params: { id: 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee' } }) + expect(normalizeStdout(raw, ctx)).toContain('{{sessionId}}') + }) + + it('leaves notification frames without an id untouched in id-space', () => { + const raw = JSON.stringify({ jsonrpc: '2.0', method: 'session/update', params: {} }) + const out = normalizeStdout(raw, ctx) + expect(out).not.toContain('"id"') + }) + + it('throws on a non-JSON stdout line (the purity check)', () => { + const raw = `${JSON.stringify({ jsonrpc: '2.0', id: 1 })}\noops a log leaked\n` + expect(() => normalizeStdout(raw, ctx)).toThrow() + }) + + it('ignores blank lines', () => { + const raw = `\n${JSON.stringify({ jsonrpc: '2.0', id: 1, method: 'm' })}\n\n` + expect(() => normalizeStdout(raw, ctx)).not.toThrow() + }) +}) + +describe('normalizeSessionLog', () => { + const header = (over: object) => JSON.stringify({ type: 'session', version: 0, id: 's', createdAt: 123, ...over }) + const event = (over: object) => JSON.stringify({ type: 'turn/start', seq: 1, time: 999, data: { turn: 1 }, ...over }) + + it('zeroes the header createdAt', () => { + const out = normalizeSessionLog(`${header({})}\n`, ctx) + expect(out).toContain('"createdAt":0') + expect(out).not.toContain('123') + }) + + it('zeroes each event time but keeps seq', () => { + const out = normalizeSessionLog(`${header({})}\n${event({ seq: 7, time: 999 })}\n`, ctx) + expect(out).toContain('"time":0') + expect(out).toContain('"seq":7') // seq is deterministic — NOT scrubbed + expect(out).not.toContain('999') + }) + + it('scrubs cwd and session id deep inside event data', () => { + const ev = JSON.stringify({ + type: 'tool/result', seq: 2, time: 5, + data: { content: [{ type: 'text', text: `wrote ${ctx.cwd}/proof.txt` }] }, + }) + const out = normalizeSessionLog(`${header({ cwd: ctx.cwd })}\n${ev}\n`, ctx) + expect(out).toContain('{{cwd}}') + expect(out).not.toContain(ctx.cwd) + }) + + it('scrubs the session id in the header', () => { + const out = normalizeSessionLog(`${header({ id: ctx.sessionIds[0] })}\n`, ctx) + expect(out).toContain('{{sessionId}}') + }) + + it('zeroes a hook/result durationMs (run-to-run noise) but keeps its decision', () => { + const ev = JSON.stringify({ + type: 'hook/result', seq: 2, time: 5, + data: { turn: 1, point: 'UserPromptSubmit', handlerId: 'h', decision: 'block', exitCode: 2, durationMs: 37 }, + }) + const out = normalizeSessionLog(`${header({})}\n${ev}\n`, ctx) + expect(out).toContain('"durationMs":0') + expect(out).not.toContain('37') + expect(out).toContain('"decision":"block"') // the decision is the behavior — kept + }) + + it('leaves a non-hook event durationMs untouched (only hook/result is scrubbed)', () => { + const ev = JSON.stringify({ type: 'tool/result', seq: 2, time: 5, data: { durationMs: 88 } }) + const out = normalizeSessionLog(`${header({})}\n${ev}\n`, ctx) + expect(out).toContain('"durationMs":88') + }) + + it('tolerates records missing the volatile fields it would zero', () => { + const bareHeader = JSON.stringify({ type: 'session', id: 's' }) + const timeless = JSON.stringify({ type: 'note', seq: 1 }) + const bareHook = JSON.stringify({ type: 'hook/result', seq: 2, time: 5, data: { decision: 'allow' } }) + const nullDataHook = JSON.stringify({ type: 'hook/result', seq: 3, time: 6, data: null }) + const out = normalizeSessionLog(`${bareHeader}\n${timeless}\n${bareHook}\n${nullDataHook}\n`, ctx) + expect(out).toContain('"type":"note","seq":1') + expect(out).toContain('"decision":"allow"') + expect(out).not.toContain('durationMs') + }) +}) + +describe('scrubRequestHeaders', () => { + const headerLine = JSON.stringify({ type: 'session', version: 0, id: 's', createdAt: 1, cwd: '/w' }) + const headerEvent = (header: object) => + JSON.stringify({ type: 'request/header', seq: 3, time: 9, data: { header, reason: 'initial' } }) + + it('replaces header system and tools with tokens, keeping config and reason', () => { + const ev = headerEvent({ + config: { model: 'm' }, + system: 'You are an agent.\nBe brief.', + tools: [{ name: 'read', description: 'Read a file.', parameters: { type: 'object' } }], + }) + const out = scrubRequestHeaders(`${headerLine}\n${ev}\n`) + expect(out).toContain('"system":"{{system}}"') + expect(out).toContain('"tools":"{{tools}}"') + expect(out).toContain('"config":{"model":"m"}') + expect(out).toContain('"reason":"initial"') + expect(out).not.toContain('You are an agent') + expect(out).not.toContain('Read a file') + }) + + it('keeps an absent system/tools absent (presence is behavior)', () => { + const out = scrubRequestHeaders(`${headerLine}\n${headerEvent({ config: { model: 'm' } })}\n`) + expect(out).not.toContain('{{system}}') + expect(out).not.toContain('{{tools}}') + }) + + it('scrubs a header carrying only one of system/tools, leaving the other absent', () => { + const systemOnly = scrubRequestHeaders(`${headerLine}\n${headerEvent({ system: 'secret prompt' })}\n`) + expect(systemOnly).toContain('"system":"{{system}}"') + expect(systemOnly).not.toContain('{{tools}}') + const toolsOnly = scrubRequestHeaders(`${headerLine}\n${headerEvent({ tools: [{ name: 't' }] })}\n`) + expect(toolsOnly).toContain('"tools":"{{tools}}"') + expect(toolsOnly).not.toContain('{{system}}') + }) + + it('scrubs the header session prefix to one token per message, keeping the count', () => { + const ev = headerEvent({ + config: { model: 'm' }, + messagePrefix: [ + { role: 'user', content: [{ type: 'text', text: 'workspace AGENTS digest' }] }, + { role: 'user', content: [{ type: 'text', text: 'skills catalog' }] }, + ], + }) + const out = scrubRequestHeaders(`${headerLine}\n${ev}\n`) + expect(out).toContain('"messagePrefix":["{{messagePrefix}}","{{messagePrefix}}"]') + expect(out).not.toContain('AGENTS digest') + expect(out).not.toContain('skills catalog') + // Absence stays absent — a prefix-less header gains no token… + expect(scrubRequestHeaders(`${headerLine}\n${headerEvent({ system: 's' })}\n`)).not.toContain('{{messagePrefix}}') + // …and a non-array shape passes through untouched. + const odd = JSON.stringify({ type: 'request/header', seq: 4, time: 9, data: { header: { config: { model: 'm' }, messagePrefix: 'weird' }, reason: 'initial' } }) + expect(scrubRequestHeaders(`${headerLine}\n${odd}\n`)).toContain('"messagePrefix":"weird"') + }) + + it('scrubs a header-delta prefix replacement to one token per message', () => { + const delta = JSON.stringify({ + type: 'request/header-delta', seq: 8, time: 9, + data: { messagePrefix: [{ role: 'user', content: [{ type: 'text', text: 'leaked opener' }] }] }, + }) + const out = scrubRequestHeaders(`${headerLine}\n${delta}\n`) + expect(out).toContain('"messagePrefix":["{{messagePrefix}}"]') + expect(out).not.toContain('leaked opener') + // The empty-array transition-to-absence stays a structural fact. + const toNone = JSON.stringify({ type: 'request/header-delta', seq: 9, time: 9, data: { messagePrefix: [] } }) + expect(scrubRequestHeaders(`${headerLine}\n${toNone}\n`)).toContain('"messagePrefix":[]') + }) + + it('leaves a delta with no scrubbable payload byte-identical (config-only, or non-array shapes)', () => { + const configOnly = JSON.stringify({ type: 'request/header-delta', seq: 8, time: 9, data: { config: { model: 'm2' } } }) + const oddShapes = JSON.stringify({ type: 'request/header-delta', seq: 9, time: 9, data: { system: { insert: 'not-an-array' }, tools: null } }) + const headerless = JSON.stringify({ type: 'request/header', seq: 10, time: 9, data: { reason: 'initial' } }) + const nullData = JSON.stringify({ type: 'request/header', seq: 11, time: 9, data: null }) + const raw = `${headerLine}\n${configOnly}\n${oddShapes}\n${headerless}\n${nullData}\n` + expect(scrubRequestHeaders(raw)).toBe(raw) + }) + + it('scrubs a one-sided tools delta and passes non-object schema entries through', () => { + const addedOnly = JSON.stringify({ + type: 'request/header-delta', seq: 8, time: 9, + data: { tools: { added: [null, 'weird', { name: 'x', description: 'D' }] } }, + }) + const out = scrubRequestHeaders(`${headerLine}\n${addedOnly}\n`) + // Non-object entries survive untouched; the object entry keeps only name. + expect(out).toContain('"added":[null,"weird",{"name":"x","description":"{{tools}}"}]') + const changedOnly = JSON.stringify({ + type: 'request/header-delta', seq: 8, time: 9, + data: { tools: { changed: [{ name: 'y', parameters: {} }] } }, + }) + expect(scrubRequestHeaders(`${headerLine}\n${changedOnly}\n`)) + .toContain('"changed":[{"name":"y","parameters":"{{tools}}"}]') + }) + + it('scrubs a header-delta system payload but keeps its line positions and arity', () => { + const delta = JSON.stringify({ + type: 'request/header-delta', seq: 8, time: 9, + data: { system: { keepStart: 1, keepEnd: 4, insert: ['leaked prompt line', 'second line'] }, config: { model: 'm2' } }, + }) + const out = scrubRequestHeaders(`${headerLine}\n${delta}\n`) + // One token PER inserted line: the edit's position AND extent survive. + expect(out).toContain('"insert":["{{system}}","{{system}}"]') + expect(out).toContain('"keepStart":1') + expect(out).toContain('"keepEnd":4') + expect(out).toContain('"config":{"model":"m2"}') + expect(out).not.toContain('leaked prompt line') + expect(out).not.toContain('{{tools}}') // no tools delta → none invented + }) + + it('scrubs a header-delta tools payload but keeps the added/removed/changed names', () => { + const delta = JSON.stringify({ + type: 'request/header-delta', seq: 8, time: 9, + data: { + tools: { + added: [{ name: 'grep', description: 'Search files.', parameters: { type: 'object' } }], + removed: ['bash_kill'], + changed: [{ name: 'read', description: 'Read v2.', parameters: { type: 'object' } }], + }, + }, + }) + const out = scrubRequestHeaders(`${headerLine}\n${delta}\n`) + // WHICH tools changed is behavior and survives; their bulk does not. + expect(out).toContain('"added":[{"name":"grep","description":"{{tools}}","parameters":"{{tools}}"}]') + expect(out).toContain('"removed":["bash_kill"]') + expect(out).toContain('"changed":[{"name":"read","description":"{{tools}}","parameters":"{{tools}}"}]') + expect(out).not.toContain('Search files') + expect(out).not.toContain('Read v2') + }) + + it('passes every other line through byte-for-byte and is idempotent', () => { + const other = JSON.stringify({ type: 'assistant/chunk', seq: 4, time: 9, data: { turn: 1, step: 1, chunk: { type: 'text-delta', index: 0, text: 'hi' } } }) + const delta = JSON.stringify({ + type: 'request/header-delta', seq: 8, time: 9, + data: { system: { keepStart: 0, keepEnd: 0, insert: ['x'] }, tools: { added: [{ name: 't', description: 'd', parameters: {} }], removed: [], changed: [] } }, + }) + const raw = `${headerLine}\n${headerEvent({ config: { model: 'm' }, system: 's', tools: [] })}\n${delta}\n${other}\n` + const once = scrubRequestHeaders(raw) + expect(once.split('\n')[0]).toBe(headerLine) + expect(once.split('\n')[3]).toBe(other) + expect(scrubRequestHeaders(once)).toBe(once) + }) +}) + +describe('scrubSystemPrompts', () => { + it('scrubs only system prompt payloads while keeping tools and prefixes verbatim', () => { + const header = JSON.stringify({ + type: 'request/header', seq: 1, time: 2, + data: { + header: { + system: 'full prompt', + tools: [{ name: 'read', description: 'full schema' }], + messagePrefix: [{ role: 'user', content: [{ type: 'text', text: 'full prefix' }] }], + }, + reason: 'initial', + }, + }) + const delta = JSON.stringify({ + type: 'request/header-delta', seq: 2, time: 3, + data: { + system: { keepStart: 1, keepEnd: 2, insert: ['new prompt line'] }, + tools: { changed: [{ name: 'read', description: 'changed schema' }] }, + messagePrefix: [{ role: 'user', content: [{ type: 'text', text: 'changed prefix' }] }], + }, + }) + const toolsOnly = JSON.stringify({ + type: 'request/header', seq: 3, time: 4, + data: { header: { tools: [{ name: 'read', description: 'schema only' }] }, reason: 'resume' }, + }) + + const out = scrubSystemPrompts(`${header}\n${delta}\n${toolsOnly}\n`) + expect(out).toContain('"system":"{{system}}"') + expect(out).toContain('"insert":["{{system}}"]') + expect(out).not.toContain('full prompt') + expect(out).not.toContain('new prompt line') + expect(out).toContain('full schema') + expect(out).toContain('full prefix') + expect(out).toContain('changed schema') + expect(out).toContain('changed prefix') + expect(out.split('\n')[2]).toBe(toolsOnly) + expect(scrubSystemPrompts(out)).toBe(out) + }) +}) diff --git a/packages/support/acp-snapshot/tests/suite.spec.ts b/packages/support/acp-snapshot/tests/suite.spec.ts new file mode 100644 index 0000000000..d6e3e2b912 --- /dev/null +++ b/packages/support/acp-snapshot/tests/suite.spec.ts @@ -0,0 +1,344 @@ +import { cpSync, mkdtempSync, readFileSync, writeFileSync } from 'node:fs' +import { rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { fileURLToPath } from 'node:url' +import { afterAll, describe, expect, it } from 'vitest' +import { defineAcpSnapshotSuite, type HarvestedLog, type Scenario } from '../src/index.ts' +import { + childFixturePaths, + fixtureContext, + formatSystemPromptSnapshot, + headerDeltaCount, + normalizedHeaders, + normalizedSystemPromptDeltas, + normalizedSystemPrompts, + refreshFixtureReplacements, + stabilizeRefreshLog, +} from '../src/suite.ts' + +/** + * Unit tests for the suite factory, by running it: two synthetic suites over + * the scripted fake ACP bin (./fixtures/fake-acp-agent.ts) register REAL + * describe/it trees at collection time, so every factory path — golden and log + * compares, the per-suite header pin and its uniformity guard, record-mode + * fixture write-back, skip semantics, and the fixture guard block — executes + * as an ordinary green test. The pure helpers get direct cases below. + * + * The replay suite runs against the committed fixtures in ./fixtures/suite. + * The record suite runs against a TEMP COPY of ./fixtures/record-suite + * (record mode writes session fixtures back into its snapshots dir; a run must + * never touch the committed tree). To re-bootstrap the record tree's goldens + * after changing the fake bin's output, run this spec once with + * `ACP_SNAPSHOT_SPEC_BOOTSTRAP=1` (points the record suite at the committed + * tree so vitest creates/updates the goldens and the write-back lands there), + * then commit the result. + */ + +const AGENT = { + binScript: fileURLToPath(new URL('./fixtures/fake-acp-agent.ts', import.meta.url)), + configPath: fileURLToPath(new URL('./fixtures/fake-acp-agent.ts', import.meta.url)), + tsconfigPath: fileURLToPath(new URL('../../../../tsconfig.json', import.meta.url)), +} + +const REPLAY_DIR = fileURLToPath(new URL('./fixtures/suite', import.meta.url)) +const RECORD_SRC = fileURLToPath(new URL('./fixtures/record-suite', import.meta.url)) + +// The replay suite doubles as the header-CLASS coverage: every scenario names +// the same explicit class (the record suite exercises the 'default' fallback), +// and plain-turn boots through a per-scenario configPath override (the same +// dummy path the agent default carries — the plumbing, not the composition, +// is what this suite can exercise; the real overlay boot is the acp-agent +// example's code-mode scenarios). +const REPLAY_SCENARIOS: Scenario[] = [ + { name: 'pin-turn', hasModelTurn: true, recorded: true, pinsHeader: true, expectedHeaderDeltas: 1, headerClass: 'main' }, + { name: 'plain-turn', hasModelTurn: true, recorded: true, childSessions: 1, headerClass: 'main', configPath: AGENT.configPath }, + { name: 'no-model', hasModelTurn: false, recorded: false, headerClass: 'main' }, + { name: 'blocked-log', hasModelTurn: false, comparesLog: true, recorded: false, headerClass: 'main' }, + { name: 'authored-error', hasModelTurn: true, recorded: false, overridden: true, headerClass: 'main' }, +] + +const RECORD_SCENARIOS: Scenario[] = [ + { name: 'rec-pin', hasModelTurn: true, recorded: true, pinsHeader: true }, + { name: 'rec-child', hasModelTurn: true, recorded: true, childSessions: 1 }, + // recorded:false in record mode → registered but skipped (never re-recorded). + { name: 'rec-skip', hasModelTurn: true, recorded: false, overridden: true }, +] + +// Record/refresh modes mutate their snapshots dir, so run them on throwaway +// copies — except record's documented bootstrap knob, which regenerates the +// committed record fixtures/goldens in place. +const BOOTSTRAP = process.env.ACP_SNAPSHOT_SPEC_BOOTSTRAP === '1' +const recordDir = BOOTSTRAP ? RECORD_SRC : mkdtempSync(join(tmpdir(), 'acp-snap-record-suite-')) +if (!BOOTSTRAP) cpSync(RECORD_SRC, recordDir, { recursive: true }) +const refreshDir = mkdtempSync(join(tmpdir(), 'acp-snap-refresh-suite-')) +cpSync(REPLAY_DIR, refreshDir, { recursive: true }) +staleRefreshFixtures(refreshDir) +afterAll(async () => { + if (!BOOTSTRAP) await rm(recordDir, { recursive: true, force: true }) + await rm(refreshDir, { recursive: true, force: true }) +}) + +function staleRefreshFixtures(dir: string): void { + writeFileSync(join(dir, 'plain-turn', 'stdout.golden.jsonl'), 'stale stdout\n') + writeFileSync(join(dir, 'pin-turn', 'system-prompt.golden.md'), 'STALE PROMPT\n') + + const plainBehaviorFile = join(dir, 'plain-turn', 'behavior.json') + const plainBehavior = JSON.parse(readFileSync(plainBehaviorFile, 'utf8')) as Record<string, unknown> + plainBehavior.echoEnv = true + writeFileSync(plainBehaviorFile, `${JSON.stringify(plainBehavior, null, 2)}\n`) + + writeFileSync(join(dir, 'blocked-log', 'session.jsonl'), [ + '{"type":"session","id":"99999999-8888-4777-8666-555555555555","createdAt":13,"cwd":"/rec/blocked-cwd"}', + '{"type":"hook/result","seq":1,"time":13,"data":{"decision":"stale","durationMs":99}}', + '', + ].join('\n')) + writeFileSync(join(dir, 'authored-error', 'session.jsonl'), [ + '{"type":"session","id":"77777777-8888-4777-8666-555555555555","createdAt":13,"cwd":"/rec/error-cwd"}', + '{"type":"turn/end","seq":1,"time":9,"data":{"error":"stale"}}', + '', + ].join('\n')) +} + +describe('defineAcpSnapshotSuite: replay mode', () => { + defineAcpSnapshotSuite({ agent: AGENT, snapshotsDir: REPLAY_DIR, scenarios: REPLAY_SCENARIOS, mode: 'replay' }) +}) + +// The record suite's tests run in registration order: rec-pin re-records the +// pinned fixture FIRST, so rec-child's uniformity guard reads the fresh pin. +describe('defineAcpSnapshotSuite: record mode', () => { + defineAcpSnapshotSuite({ agent: AGENT, snapshotsDir: recordDir, scenarios: RECORD_SCENARIOS, mode: 'record' }) +}) + +describe('defineAcpSnapshotSuite: refresh mode', () => { + defineAcpSnapshotSuite({ agent: AGENT, snapshotsDir: refreshDir, scenarios: REPLAY_SCENARIOS, mode: 'refresh' }) +}) + +describe('defineAcpSnapshotSuite: refresh write-back', () => { + it('rewrites stdout and comparable logs from a replay-mode child run', () => { + const stdout = readFileSync(join(refreshDir, 'plain-turn', 'stdout.golden.jsonl'), 'utf8') + expect(stdout).not.toContain('stale stdout') + expect(stdout).toContain('env:{\\"mode\\":\\"replay\\"') + expect(stdout).not.toContain('\\"mode\\":\\"refresh\\"') + + const blocked = readFileSync(join(refreshDir, 'blocked-log', 'session.jsonl'), 'utf8') + expect(blocked).toContain('"decision":"block"') + expect(blocked).not.toContain('"decision":"stale"') + + const authored = readFileSync(join(refreshDir, 'authored-error', 'session.jsonl'), 'utf8') + expect(authored).toContain('"error":"model exploded"') + expect(authored).not.toContain('"error":"stale"') + + expect(readFileSync(join(refreshDir, 'pin-turn', 'system-prompt.golden.md'), 'utf8')).toBe([ + 'SYS PROMPT', + '', + '<!-- request/header-delta 1: keepStart=1, keepEnd=0 -->', + '', + 'NEW PROMPT LINE', + '', + ].join('\n')) + }) +}) + +describe('defineAcpSnapshotSuite: registration contract', () => { + it("throws when a scenario's header class has no pinning scenario", () => { + expect(() => { + defineAcpSnapshotSuite({ + agent: AGENT, + snapshotsDir: REPLAY_DIR, + scenarios: [{ name: 'pinless', hasModelTurn: true, recorded: true }], + mode: 'replay', + }) + }).toThrow(/no scenario pins the request-header content of class "default"/) + // A pinned class does not cover a DIFFERENT class's members. + expect(() => { + defineAcpSnapshotSuite({ + agent: AGENT, + snapshotsDir: REPLAY_DIR, + scenarios: [ + { name: 'pinned', hasModelTurn: true, recorded: true, pinsHeader: true }, + { name: 'classless-orphan', hasModelTurn: true, recorded: true, headerClass: 'other' }, + ], + mode: 'replay', + }) + }).toThrow(/class "other" \(needed by classless-orphan\)/) + }) + + it('throws when two scenarios pin the same header class', () => { + expect(() => { + defineAcpSnapshotSuite({ + agent: AGENT, + snapshotsDir: REPLAY_DIR, + scenarios: [ + { name: 'first-pin', hasModelTurn: true, recorded: true, pinsHeader: true }, + { name: 'second-pin', hasModelTurn: true, recorded: true, pinsHeader: true }, + ], + mode: 'replay', + }) + }).toThrow(/header class "default" pinned by both first-pin and second-pin/) + }) +}) + +describe('childFixturePaths', () => { + it('yields one sibling path per child, 1-based', () => { + expect(childFixturePaths('/snap/s', 2)).toEqual(['/snap/s/session.1.jsonl', '/snap/s/session.2.jsonl']) + }) + + it('yields nothing for a single-session scenario', () => { + expect(childFixturePaths('/snap/s', 0)).toEqual([]) + }) +}) + +describe('fixtureContext', () => { + it('reads the fixture header id and cwd', () => { + const ctx = fixtureContext('{"type":"session","id":"abc","cwd":"/rec"}\n{"type":"turn/start"}\n') + expect(ctx).toEqual({ sessionIds: ['abc'], cwd: '/rec' }) + }) + + it('yields no session ids for a header without a string id', () => { + expect(fixtureContext('{"type":"session","cwd":"/rec"}\n').sessionIds).toEqual([]) + }) + + it('falls back to an impossible sentinel cwd (never the empty string)', () => { + const ctx = fixtureContext('{"type":"session","id":"abc"}\n') + expect(ctx.cwd).toBe('\0no-cwd\0') + expect(ctx.cwd).not.toBe('') + }) + + it('treats an empty fixture as an empty header', () => { + expect(fixtureContext('')).toEqual({ sessionIds: [], cwd: '\0no-cwd\0' }) + }) +}) + +describe('normalizedHeaders', () => { + const header = (system: string): string => JSON.stringify({ + type: 'request/header', seq: 0, time: 9, data: { header: { config: { model: 'm' }, system }, reason: 'initial' }, + }) + + it('extracts every request/header payload in log order, normalized', () => { + const id = '11111111-2222-4333-8444-555555555555' + const log = `${JSON.stringify({ type: 'session', id, createdAt: 5, cwd: '/w' })}\n${header('one')}\n` + + `${JSON.stringify({ type: 'turn/start', seq: 1, time: 9, data: { turn: 1 } })}\n${header('two')}\n` + const headers = normalizedHeaders(log, { sessionIds: [id], cwd: '/w' }) + expect(headers).toEqual([ + { config: { model: 'm' }, system: 'one' }, + { config: { model: 'm' }, system: 'two' }, + ]) + }) + + it('yields nothing for a log without header events', () => { + const log = `${JSON.stringify({ type: 'session', id: 'a', createdAt: 5 })}\n` + expect(normalizedHeaders(log, { sessionIds: [], cwd: '/w' })).toEqual([]) + }) +}) + +describe('normalizedSystemPrompts', () => { + it('extracts normalized string prompts and omits absent or non-string fields', () => { + const log = [ + '{"type":"session","id":"a","createdAt":5,"cwd":"/w"}', + '{"type":"request/header","seq":0,"time":9,"data":{"header":{"system":"work in /w"}}}', + '{"type":"request/header","seq":1,"time":9,"data":{"header":{}}}', + '{"type":"request/header","seq":2,"time":9,"data":{"header":{"system":null}}}', + '{"type":"request/header","seq":3,"time":9,"data":{"header":null}}', + '{"type":"request/header","seq":4,"time":9,"data":{"header":"invalid"}}', + '', + ].join('\n') + expect(normalizedSystemPrompts(log, { sessionIds: [], cwd: '/w' })).toEqual(['work in {{cwd}}']) + }) +}) + +describe('normalizedSystemPromptDeltas', () => { + it('extracts and normalizes well-formed system edits', () => { + const log = [ + '{"type":"request/header-delta","data":{"system":{"keepStart":1,"keepEnd":0,"insert":["work in /w"]}}}', + '{"type":"request/header-delta","data":{"tools":{"replace":[]}}}', + '{"type":"request/header-delta","data":{"system":{"keepStart":"1","keepEnd":0,"insert":[]}}}', + '{"type":"request/header-delta","data":{"system":{"keepStart":1,"keepEnd":0,"insert":[null]}}}', + '', + ].join('\n') + expect(normalizedSystemPromptDeltas(log, { sessionIds: [], cwd: '/w' })).toEqual([ + { keepStart: 1, keepEnd: 0, insert: ['work in {{cwd}}'] }, + ]) + }) +}) + +describe('formatSystemPromptSnapshot', () => { + it('adds a missing terminal newline without changing an existing one', () => { + expect(formatSystemPromptSnapshot('prompt')).toBe('prompt\n') + expect(formatSystemPromptSnapshot('prompt\n')).toBe('prompt\n') + }) + + it('renders readable system-prompt delta sections', () => { + expect(formatSystemPromptSnapshot('prompt', [ + { keepStart: 1, keepEnd: 0, insert: ['new', 'lines'] }, + ])).toBe('prompt\n\n<!-- request/header-delta 1: keepStart=1, keepEnd=0 -->\n\nnew\nlines\n') + }) + + it('does not double the newline of a delta insert with a trailing blank line', () => { + expect(formatSystemPromptSnapshot('prompt\n', [ + { keepStart: 2, keepEnd: 1, insert: ['tail', ''] }, + ])).toBe('prompt\n\n<!-- request/header-delta 1: keepStart=2, keepEnd=1 -->\n\ntail\n') + }) +}) + +describe('headerDeltaCount', () => { + it('counts request/header-delta events, ignoring blanks and other lines', () => { + const delta = JSON.stringify({ type: 'request/header-delta', seq: 2, time: 9, data: {} }) + const other = JSON.stringify({ type: 'request/header', seq: 0, time: 9, data: {} }) + expect(headerDeltaCount(`${other}\n\n${delta}\n${delta}\n`)).toBe(2) + expect(headerDeltaCount(`${other}\n`)).toBe(0) + }) +}) + +describe('refreshFixtureReplacements', () => { + it('maps fresh ids and cwd values to the existing fixture values, skipping non-replacements', () => { + const log = (content: string): HarvestedLog => ({ id: 'diagnostic', createdAt: 1, content }) + const logs = [ + log('{"type":"session","id":"","cwd":"/same"}\n'), + log('{"type":"session","id":"new-parent","cwd":"/new"}\n'), + log('{"type":"session","id":"new-child","cwd":"/new"}\n'), + ] + const fixtures = [ + '{"type":"session","id":"","cwd":"/same"}\n', + '{"type":"session","id":"old-parent","cwd":"/old"}\n', + ] + expect(refreshFixtureReplacements(logs, fixtures)).toEqual([ + { from: 'new-parent', to: 'old-parent' }, + { from: '/new', to: '/old' }, + ]) + }) +}) + +describe('stabilizeRefreshLog', () => { + it('keeps volatile fixture fields while preserving fresh meaningful payloads', () => { + const fresh = [ + '{"type":"session","id":"new-child","createdAt":200,"cwd":"/new","parentSession":"new-parent","seedLength":1}', + '{"type":"hook/result","seq":1,"time":22,"data":{"decision":"block","durationMs":37}}', + '{"type":"turn/end","seq":2,"time":33,"data":{"error":"fresh error"}}', + '{"type":"tool/result","seq":3,"time":44,"data":{"text":"new-parent in /new"}}', + '{"type":"hook/result","seq":4,"time":55,"data":{"decision":"allow","durationMs":5}}', + '', + ].join('\n') + const existing = [ + '{"type":"session","id":"old-child","createdAt":100,"cwd":"/old","parentSession":"old-parent","seedLength":5}', + '{"type":"hook/result","seq":1,"time":11,"data":{"decision":"stale","durationMs":99}}', + '{"type":"turn/end","seq":2,"data":{"error":"stale"}}', + '{"type":"assistant/message","seq":3,"time":12,"data":{"text":"different type"}}', + '{"type":"hook/result","seq":4,"time":13,"data":{"decision":"stale"}}', + '', + ].join('\n') + + expect(stabilizeRefreshLog(fresh, existing, [ + { from: 'new-parent', to: 'old-parent' }, + { from: 'new-child', to: 'old-child' }, + { from: '/new', to: '/old' }, + ])).toBe([ + '{"type":"session","id":"old-child","createdAt":100,"cwd":"/old","parentSession":"old-parent","seedLength":1}', + '{"type":"hook/result","seq":1,"time":11,"data":{"decision":"block","durationMs":99}}', + '{"type":"turn/end","seq":2,"time":33,"data":{"error":"fresh error"}}', + '{"type":"tool/result","seq":3,"time":44,"data":{"text":"old-parent in /old"}}', + '{"type":"hook/result","seq":4,"time":13,"data":{"decision":"allow","durationMs":5}}', + '', + ].join('\n')) + }) +}) diff --git a/packages/support/acp-snapshot/tsconfig.json b/packages/support/acp-snapshot/tsconfig.json new file mode 100644 index 0000000000..749cb0208e --- /dev/null +++ b/packages/support/acp-snapshot/tsconfig.json @@ -0,0 +1,11 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [] +} diff --git a/packages/support/invariants/README.md b/packages/support/invariants/README.md index b26170d48e..94c2682f9d 100644 --- a/packages/support/invariants/README.md +++ b/packages/support/invariants/README.md @@ -40,6 +40,10 @@ Agent status (per agent): - **legal transitions only** — `idle↔running` and `(idle|running)→disposed`. A no-op transition (`setStatus` dedups, so it never fires) and leaving the terminal `disposed` state are violations. +Model requests (on `llm/stream`): + +- **a loop-built request is exactly what the log reconstructs** — a frozen request with a live `sessionId` (the loop-built marker; hand-built one-shots like compaction's summarize are unfrozen and skipped) must carry frozen `messages` deep-equal to the derivation over the log prefix strictly before the in-flight step's `step/start` (rebuilt through a FRESH `Session`, so the live cache cannot vouch for itself — and boundary-correct: content logged after `step/start` legitimately belongs to the next request), and every non-content field must equal the fold of the log's `request/header*` events (see [the reconstructability RFC](../../../docs/rfc/implemented/architecture/2026-07-05-reconstructable-requests.md)). Registered with `prepend: true` so a short-circuiting `llm/stream` listener (the replay adapter) cannot silence it; prepend orders it against append-registered listeners only — correctness rests on the seq-bounded rebuild, never listener timing. + On any violation it throws `InvariantError` (`code: 'INVARIANT'`). ## Why runtime, not deep-readonly types diff --git a/packages/support/invariants/src/index.ts b/packages/support/invariants/src/index.ts index 08d4365f4b..8147a6deb6 100644 --- a/packages/support/invariants/src/index.ts +++ b/packages/support/invariants/src/index.ts @@ -21,9 +21,10 @@ import type { Context } from 'cordis' import { HarnessError } from '@deepseek-ai/dsh-llm' -import type { CallId } from '@deepseek-ai/dsh-llm' +import type { CallId, GenerateOptions } from '@deepseek-ai/dsh-llm' import type { Agent, AgentStatus } from '@deepseek-ai/dsh-agent' -import type { Session, SessionEvent, SurfaceEventType } from '@deepseek-ai/dsh-session' +import { Session, SessionId, foldRequestHeader } from '@deepseek-ai/dsh-session' +import type { SessionEvent, SurfaceEventType } from '@deepseek-ai/dsh-session' export const name = 'invariants' export const inject = ['sessions'] @@ -360,4 +361,81 @@ export function apply(ctx: Context, config: Config = {}): void { checkTransition(lastStatus.get(agent), status) lastStatus.set(agent, status) }) + + // Request-reconstruction cross-check (the reconstructability RFC): a + // loop-built request — frozen envelope + live sessionId is the marker; a + // hand-built one-shot (compaction summarize) is unfrozen and skipped — must + // be EXACTLY what the session log reconstructs: + // + // - messages: the folded header's session prefix (messagePrefix — the + // `agent/session-prefix` product, logged on the header because no + // session event carries it) followed by the + // derivation over the log prefix strictly before the in-flight step's + // `step/start` (the reconstruction boundary). The derivation is compared + // against a FRESH Session built over that prefix — the same projection + // code with zero shared state, so the live cache under test cannot vouch + // for itself. Boundary-correct by construction: content appended after + // the boundary (an `agent/request`-window inject) is legitimately absent + // from this request, and a current-surface comparison would false-fire. + // - header: every non-content field must equal the fold of the log's + // `request/header*` events — the loop logs the header event BEFORE + // dispatch, so the fold already covers this request. + // + // Registered with `prepend: true` so a short-circuiting llm/stream listener + // (the replay adapter returns its chunks without calling next()) cannot + // silence the check by registering first. Prepend beats APPEND-registered + // listeners only — two prepended listeners have no defined mutual order + // (cordis unshift) — which is fine: correctness rests on the seq-bounded + // fold below, never on listener timing. + ctx.on('llm/stream', (options: GenerateOptions, next) => { + if (options.sessionId === undefined || !Object.isFrozen(options)) return next() + // GenerateOptions types sessionId as Branded<'SessionId'>, which IS + // SessionId (dsh-llm cannot import it without a cycle) — no cast needed. + const session = ctx.sessions.get(options.sessionId) + if (!session) return next() + if (!Object.isFrozen(options.messages)) { + throw new InvariantError('a loop-built request must carry a frozen messages array') + } + + const events = session.events + // seq === index (checked above), so the last step/start's seq bounds the + // prefix directly. The in-flight step's step/start is necessarily the + // last one: the loop cannot open another step while this call streams. + let boundary = -1 + for (let i = events.length - 1; i >= 0; i -= 1) { + if (events[i]?.type === 'step/start') { + boundary = i + break + } + } + if (boundary === -1) { + throw new InvariantError('a loop-built request with no step/start in its session log') + } + const header = foldRequestHeader(events) + if (header === undefined) { + throw new InvariantError('a loop-built request with no request/header event in its session log') + } + const rebuilt = new Session(SessionId(`${String(session.id)}-invariant-rebuild`), structuredClone(events.slice(0, boundary))) + // The reconstruction equation: the folded header's session prefix, then + // the boundary derivation — the loop + // logs the header event BEFORE dispatch, so the fold already covers this + // request's prefix. JSON equality is sound here: both sides are + // structuredClones produced by the same projection/build code path, so key + // insertion order matches when the values do. + const expected = [...header.messagePrefix ?? [], ...rebuilt.deriveMessages()] + if (JSON.stringify(options.messages) !== JSON.stringify(expected)) { + throw new InvariantError(`llm request for session "${String(session.id)}" diverges from the boundary derivation (log-reconstruction desync)`) + } + + const headerMatches = options.model === header.config.model + && options.system === header.system + && options.temperature === header.config.temperature + && options.maxTokens === header.config.maxTokens + && JSON.stringify(options.stop) === JSON.stringify(header.config.stop) + && JSON.stringify(options.tools ?? []) === JSON.stringify(header.tools ?? []) + if (!headerMatches) { + throw new InvariantError(`llm request for session "${String(session.id)}" diverges from the folded request header`) + } + return next() + }, { prepend: true }) } diff --git a/packages/support/invariants/tests/invariants.spec.ts b/packages/support/invariants/tests/invariants.spec.ts index d7e95c1103..af31f01911 100644 --- a/packages/support/invariants/tests/invariants.spec.ts +++ b/packages/support/invariants/tests/invariants.spec.ts @@ -670,3 +670,128 @@ describe('surface invariants', () => { .toThrow(/cannot carry surfaceOp/) }) }) + +describe('request-reconstruction cross-check (llm/stream)', () => { + /** Session with a boundary: one derivable user message, an open step, and the header event the loop would have logged. */ + async function requestSetup() { + const { ctx } = await setup({ freeze: false }) + const session = ctx.sessions.create(SessionId('req-check')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('user/message', { content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + const boundary = session.deriveMessages() + session.append('step/start', { turn: 1, step: 1 }) + session.append('request/header', { header: { config: { model: 'm' } }, reason: 'initial' }) + return { ctx, session, boundary } + } + + /** Dispatch the llm/stream waterfall with a stub core, collecting the check's verdict. */ + function dispatch(ctx: Context, options: unknown): void { + // The invariants listener runs synchronously at dispatch time (its checks + // precede next()); the stub core just yields nothing. + void ctx.waterfall('llm/stream', options as never, () => (async function* () {})() as never) + } + + it('passes a frozen request that equals the boundary derivation + the folded header', async () => { + const { ctx, session, boundary } = await requestSetup() + const options = Object.freeze({ model: 'm', messages: Object.freeze(boundary), sessionId: session.id }) + expect(() => { dispatch(ctx, options) }).not.toThrow() + }) + + it('is boundary-correct: content logged after step/start is legitimately absent from this request', async () => { + const { ctx, session, boundary } = await requestSetup() + // An agent/request-window inject: lands in the log after the boundary, + // belongs to the NEXT request. A current-surface comparison would + // false-fire here; the seq-bounded rebuild must not. + session.append('context/message', { content: [{ type: 'text', text: '[late]' }], source: { kind: 'plugin', plugin: 'x' } }, { surfaceOp: 'append' }) + const options = Object.freeze({ model: 'm', messages: Object.freeze(boundary), sessionId: session.id }) + expect(() => { dispatch(ctx, options) }).not.toThrow() + }) + + it('expects the folded header\'s session prefix ahead of the derivation (prefix + derived)', async () => { + const { ctx, session, boundary } = await requestSetup() + const prefix = { role: 'user' as const, content: [{ type: 'text' as const, text: '<system-reminder>catalog</system-reminder>' }] } + session.append('request/header-delta', { messagePrefix: [prefix] }) + // The prefixed request matches the fold… + const prefixed = Object.freeze({ model: 'm', messages: Object.freeze([prefix, ...boundary]), sessionId: session.id }) + expect(() => { dispatch(ctx, prefixed) }).not.toThrow() + // …a request that DROPPED the logged prefix diverges… + const bare = Object.freeze({ model: 'm', messages: Object.freeze([...boundary]), sessionId: session.id }) + expect(() => { dispatch(ctx, bare) }).toThrow(/diverges from the boundary derivation/) + // …and so does one that misplaced it (prefix sent after the history). + const misplaced = Object.freeze({ model: 'm', messages: Object.freeze([...boundary, prefix]), sessionId: session.id }) + expect(() => { dispatch(ctx, misplaced) }).toThrow(/diverges from the boundary derivation/) + }) + + it('rejects a frozen request whose messages diverge from the boundary derivation', async () => { + const { ctx, session, boundary } = await requestSetup() + const messages = [...boundary, { role: 'user', content: [{ type: 'text', text: 'phantom' }] }] + const options = Object.freeze({ model: 'm', messages: Object.freeze(messages), sessionId: session.id }) + expect(() => { dispatch(ctx, options) }).toThrow(/diverges from the boundary derivation/) + }) + + it('rejects a frozen request whose fields diverge from the folded header', async () => { + const { ctx, session, boundary } = await requestSetup() + const options = Object.freeze({ model: 'other', messages: Object.freeze(boundary), sessionId: session.id }) + expect(() => { dispatch(ctx, options) }).toThrow(/diverges from the folded request header/) + }) + + it('rejects a loop-built request with no header event or no step/start in its log', async () => { + const { ctx } = await setup({ freeze: false }) + const session = ctx.sessions.create(SessionId('req-bare')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const bare = Object.freeze({ model: 'm', messages: Object.freeze([]), sessionId: session.id }) + expect(() => { dispatch(ctx, bare) }).toThrow(/no step\/start/) + + session.append('step/start', { turn: 1, step: 1 }) + expect(() => { dispatch(ctx, bare) }).toThrow(/no request\/header event/) + }) + + it('rejects a frozen request carrying an unfrozen messages array', async () => { + const { ctx, session, boundary } = await requestSetup() + const options = Object.freeze({ model: 'm', messages: [...boundary], sessionId: session.id }) + expect(() => { dispatch(ctx, options) }).toThrow(/frozen messages array/) + }) + + it('skips hand-built (unfrozen) requests — compaction summarize is out of scope', async () => { + const { ctx, session } = await requestSetup() + // Unfrozen envelope + arbitrary messages: a direct one-shot call. + const options = { model: 'summarizer', messages: [{ role: 'user', content: [{ type: 'text', text: 'summarize!' }] }], sessionId: session.id } + expect(() => { dispatch(ctx, options) }).not.toThrow() + }) + + it('skips requests without a sessionId or with an unknown session', async () => { + const { ctx } = await requestSetup() + expect(() => { dispatch(ctx, Object.freeze({ model: 'm', messages: Object.freeze([]) })) }).not.toThrow() + expect(() => { dispatch(ctx, Object.freeze({ model: 'm', messages: Object.freeze([]), sessionId: SessionId('ghost') })) }).not.toThrow() + }) +}) + +describe('request cross-check ordering (prepend)', () => { + it('runs ahead of a short-circuiting llm/stream listener registered before it', async () => { + // The replay adapter returns its chunks WITHOUT calling next(), which + // would silence a later-registered check — snapshot compositions load + // replay before the app bundle that loads invariants. The check prepends, + // so it fires ahead of append-registered listeners regardless of load + // order. (Prepend orders it against APPENDED listeners only; correctness + // rests on the seq-bounded rebuild, not on listener timing.) + const ctx = new Context() + await ctx.plugin(SessionStore) + ctx.on('llm/stream', () => (async function* () {})() as never) // short-circuits, no next() + await ctx.plugin(Invariants, { freeze: false }) + + const session = ctx.sessions.create(SessionId('prepend-check')) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + session.append('user/message', { content: [{ type: 'text', text: 'hi' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) + session.append('step/start', { turn: 1, step: 1 }) + session.append('request/header', { header: { config: { model: 'm' } }, reason: 'initial' }) + + const divergent = Object.freeze({ + model: 'm', + messages: Object.freeze([{ role: 'user', content: [{ type: 'text', text: 'phantom' }] }]), + sessionId: session.id, + }) + expect(() => { + void ctx.waterfall('llm/stream', divergent as never, () => (async function* () {})() as never) + }).toThrow(/diverges from the boundary derivation/) + }) +}) diff --git a/packages/support/llm-replay/README.md b/packages/support/llm-replay/README.md index 06803eaf0e..78b411d54c 100644 --- a/packages/support/llm-replay/README.md +++ b/packages/support/llm-replay/README.md @@ -6,7 +6,7 @@ Its consumer is the ACP snapshot harness in `examples/acp-agent`, which loads th ## How the fixture works -The fixture IS the persisted session log (`<scenario>/session.jsonl`). Its `assistant/chunk` events carry every `StreamChunk`, so grouping them by `(turn, step)` reconstructs each `stream()` call's chunk sequence (one model call per loop step). Recording is therefore "run the real agent once and harvest the `.jsonl`", done by the snapshot harness — this plugin does not record. +The fixture IS the persisted session log (`<scenario>/session.jsonl`). Its `assistant/chunk` events carry every `StreamChunk`, so grouping them by `(turn, step)` reconstructs each `stream()` call's chunk sequence (one model call per loop step). Recording is therefore "run the real agent once and harvest the `.jsonl`", done by the snapshot harness — this plugin does not record. A fixture may carry its `request/header` content tokenized to `{{system}}`/`{{tools}}` (the harness pins that content in one scenario and scrubs the rest); replay is indifferent — derivation reads only `assistant/chunk` events and the line-0 session header. Two failure modes are not reconstructable from `assistant/chunk` alone — a pure throw before any chunk (e.g. an HTTP 401, where the log holds only a `turn/end {error}` and no chunks) and a cancel/hang (timing, not chunk content). A scenario that needs those supplies an optional sidecar (`<scenario>/replay.override.json`: a `ReplayEntry[]`) that REPLACES the derived script. diff --git a/packages/support/llm-replay/src/index.ts b/packages/support/llm-replay/src/index.ts index 78f46e705e..94bd0cdd7e 100644 --- a/packages/support/llm-replay/src/index.ts +++ b/packages/support/llm-replay/src/index.ts @@ -12,7 +12,11 @@ * `(turn, step)` reconstructs each `stream()` call's chunk sequence (one model * call per loop step — see packages/core/agent-loop/src/loop.ts). Recording is * therefore "run the real agent once and harvest the `.jsonl`", done by the - * snapshot harness — this plugin does not record. + * snapshot harness — this plugin does not record. A fixture may carry its + * `request/header` content tokenized to `{{system}}`/`{{tools}}` (the harness + * pins that content in one scenario and scrubs the rest); replay is + * indifferent — derivation reads ONLY `assistant/chunk` events and the line-0 + * session header. * * A NESTED-agent scenario records more than one log: the parent plus one per * in-process subagent (each subagent runs as its own {@link Session} on the same @@ -124,6 +128,8 @@ export interface SessionScript { * Parse a session `.jsonl` buffer into its event list. Line 0 is the session * header (a `{type:'session',…}` record), every subsequent non-empty line is a * {@link SessionEvent}. The header is skipped; malformed lines fail loud. + * @param text - the raw `.jsonl` file contents. + * @returns every event after the header, in log order. */ export function parseSessionLog(text: string): SessionEvent[] { const lines = text.split('\n').filter(line => line.trim().length > 0) @@ -147,6 +153,8 @@ export function parseSessionLog(text: string): SessionEvent[] { * own model calls; absent ⇒ 0). A header missing a field falls back to a stable * default (`''` / `0` / `0`) rather than throwing: a no-model fixture is * header-only and still orders fine as the single (primary) script. + * @param text - the raw `.jsonl` file contents (only the header line is read). + * @returns the header's `id`, `createdAt`, and `seedLength`, defaulted when absent. */ export function parseSessionHeader(text: string): { id: string; createdAt: number; seedLength: number } { const firstLine = text.split('\n').find(line => line.trim().length > 0) ?? '{}' @@ -176,6 +184,8 @@ export function parseSessionHeader(text: string): { id: string; createdAt: numbe * sidecar with an explicit `throw` (or `hang`) entry instead. {@link * deriveReplayScript} throws, naming the offending `(turn, step)`, so a missing * override fails loud rather than silently replaying a thrown call as success. + * @param events - the recorded session's events; only `assistant/chunk` is consulted. + * @returns one `chunks` entry per recorded model call, in call order. */ export function deriveReplayScript(events: SessionEvent[]): ReplayEntry[] { const script: ReplayEntry[] = [] @@ -214,6 +224,8 @@ export function deriveReplayScript(events: SessionEvent[]): ReplayEntry[] { * Fail-loud if the JSONL fixture is missing (the scenario was never recorded) — * never silently returns an empty script, so a coverage hole can't masquerade * as a passing replay. + * @param config - the fixture paths; only `file` and `overrideFile` are consulted. + * @returns the primary session's replay entries. */ export function loadReplayScript(config: ReplayConfig): ReplayEntry[] { if (config.overrideFile !== undefined && existsSync(config.overrideFile)) { @@ -241,6 +253,8 @@ export function loadReplayScript(config: ReplayConfig): ReplayEntry[] { * the parent issues the FIRST model call (it must stream before it can delegate * in the synchronous nested cut), so binding it to the first live session is * correct regardless of a timestamp tie. + * @param config - the fixture paths: the primary log plus any recorded child logs. + * @returns the primary script first, then the child scripts in bind order. */ export function loadSessionScripts(config: ReplayConfig): SessionScript[] { const primaryEntries = loadReplayScript(config) @@ -355,6 +369,9 @@ async function* replayEntry(entry: ReplayEntry, signal: AbortSignal | undefined) * Each per-session cursor advances synchronously at listener-invocation time * (not lazily inside the generator) so call ORDER within a session, not * iteration order, fixes the mapping. + * @param ctx - the context whose `llm/stream` waterfall the listener short-circuits. + * @param config - the resolved fixture paths (env-var defaulting is `apply`'s job). + * @returns the `ctx.on` disposer that removes the listener. */ export function installLlmReplay(ctx: Context, config: ReplayConfig): () => void { const scripts = loadSessionScripts(config) @@ -408,6 +425,7 @@ export function installLlmReplay(ctx: Context, config: ReplayConfig): () => void export const name = 'llm-replay' export const inject = ['llm'] +/** Plugin config: the {@link ReplayConfig} inputs, each defaulting to its `DSH_SNAPSHOT_*` env var in `apply`. */ export interface Config { /** Override the fixture path; defaults to `$DSH_SNAPSHOT_FILE`. */ file?: string diff --git a/packages/support/llm-replay/tests/llm-replay.spec.ts b/packages/support/llm-replay/tests/llm-replay.spec.ts index 2dd8357cc7..87cc62d165 100644 --- a/packages/support/llm-replay/tests/llm-replay.spec.ts +++ b/packages/support/llm-replay/tests/llm-replay.spec.ts @@ -118,7 +118,7 @@ describe('deriveReplayScript', () => { it('ignores non-assistant/chunk events', () => { let seq = 1 const events: SessionEvent[] = [ - { type: 'turn/start', seq: seq++, time: 0, data: { turn: 1, trigger: { kind: 'continuation' } } }, + { type: 'turn/start', seq: seq++, time: 0, data: { turn: 1, trigger: { kind: 'injection', source: { kind: 'user' } } } }, ...TEXT_CHUNKS.map(c => chunkEvent(seq++, 1, 1, c)), { type: 'turn/end', seq: seq++, time: 0, data: { turn: 1, reason: { kind: 'completed' } } }, ] diff --git a/packages/support/subagent-mock/README.md b/packages/support/subagent-mock/README.md index 305aea93c4..af169ed4c2 100644 --- a/packages/support/subagent-mock/README.md +++ b/packages/support/subagent-mock/README.md @@ -14,6 +14,7 @@ Load it as a plugin (functional shape: `name`/`inject`/`Config`/`apply`, no defa | `reply` | `mock subagent reply` | The scripted child's final answer text. | | `stopReason` | `completed` | The stop reason `result` settles with. | | `capabilities` | all `true` | Which start-time capabilities (`outputSchema`/`depthLimit`/`toolFilter`) the provider advertises. | +| `inheritsParentContext` | `false` | The context contract to declare; `true` exercises the fork-shaped tool wording in consumer tests. | | `structured` | `{ reply }` | Structured value surfaced when a request carries an `outputSchema` and the capability is on. | A `cancel()` issued before `result` settles flips the stop reason to `aborted`, so the cancellation path is observable. diff --git a/packages/support/subagent-mock/src/index.ts b/packages/support/subagent-mock/src/index.ts index c1a988fbfe..e2effe5b4b 100644 --- a/packages/support/subagent-mock/src/index.ts +++ b/packages/support/subagent-mock/src/index.ts @@ -37,12 +37,14 @@ const DEFAULT_CAPS: SubagentCapabilities = { outputSchema: true, depthLimit: tru */ class MockSubagentProvider implements SubagentProvider { readonly capabilities: SubagentCapabilities + readonly inheritsParentContext: boolean constructor( readonly name: string, private readonly config: Config, ) { this.capabilities = { ...DEFAULT_CAPS, ...config.capabilities } + this.inheritsParentContext = config.inheritsParentContext ?? false } start(request: SubagentStartRequest): SubagentRun { @@ -88,6 +90,12 @@ export interface Config { stopReason?: SubagentStopReason /** Which start-time capabilities to advertise (default: all `true`). */ capabilities?: Partial<SubagentCapabilities> + /** + * The context contract to declare ({@link SubagentProvider.inheritsParentContext}); + * default `false` (spawn-like). Set `true` to exercise the fork-shaped tool + * wording in consumer tests. + */ + inheritsParentContext?: boolean /** * Structured value surfaced when a request carries an `outputSchema` and the * `outputSchema` capability is on (default: `{ reply }`). @@ -104,6 +112,7 @@ export const Config: z<Config> = z.object({ depthLimit: z.boolean(), toolFilter: z.boolean(), }), + inheritsParentContext: z.boolean(), structured: z.any(), }) diff --git a/packages/support/subagent-mock/tests/subagent-mock.spec.ts b/packages/support/subagent-mock/tests/subagent-mock.spec.ts index f35ed884eb..ddd725da4b 100644 --- a/packages/support/subagent-mock/tests/subagent-mock.spec.ts +++ b/packages/support/subagent-mock/tests/subagent-mock.spec.ts @@ -41,13 +41,13 @@ describe('dsh-subagent-mock', () => { it('surfaces a structured result when the request carries an outputSchema', async () => { const ctx = await mount({ reply: 'r', structured: { answer: 42 } }) - const run = ctx.subagents.start('mock', baseRequest({ outputSchema: { answer: { type: 'number' } } })) + const run = ctx.subagents.start('mock', baseRequest({ outputSchema: { type: 'object', properties: { answer: { type: 'number' } } } })) await expect(run.result).resolves.toMatchObject({ structured: { answer: 42 } }) }) it('defaults structured output to { reply } when outputSchema is requested but no structured value is configured', async () => { const ctx = await mount({ reply: 'fallback reply' }) - const run = ctx.subagents.start('mock', baseRequest({ outputSchema: { answer: { type: 'number' } } })) + const run = ctx.subagents.start('mock', baseRequest({ outputSchema: { type: 'object', properties: { answer: { type: 'number' } } } })) await expect(run.result).resolves.toMatchObject({ structured: { reply: 'fallback reply' } }) }) diff --git a/packages/support/ui-stdio/README.md b/packages/support/ui-stdio/README.md deleted file mode 100644 index 922202695d..0000000000 --- a/packages/support/ui-stdio/README.md +++ /dev/null @@ -1,44 +0,0 @@ -# @deepseek-ai/dsh-ui-stdio - -A minimal stdio (readline) UI, as a plugin. It reads lines from stdin and feeds them to an agent (`send` when idle, `steer` while a turn is running), and renders that agent's streamed output and tool activity to stdout. A UI is "just a plugin" here — it consumes the `session/event` transcript feed plus a few `agent/*` control events (`agent/status`, `agent/created`/`agent/disposed`) and the `agents` service (`inject: ['agents']`), so the same plugin drives any example or product surface. - -This is a **convenience REPL for local testing and the demos, not a product surface** — its observable behavior is free to change. It is deliberately NOT treated as a load-bearing consumer when weighing whether a live event/API must exist: the boundary mirror events were removed precisely because "ui-stdio renders from them" is not a product constraint (it was migrated to `session/event`). The real product surfaces are the ACP bridge (`dsh-acp`) and the app packages. - -This package consolidates what were two near-identical copies under `examples/echo-agent` and `examples/coding-agent`. The coding copy was a superset; this package IS that superset — dimmed chain-of-thought rendering plus robust piped-stdin EOF handling — with the per-consumer differences moved into `Config`. - -## Config - -| Key | Type | Default | Notes | -|---|---|---|---| -| `welcome` | string | `'ready.'` | Banner printed once on start, before the first `> ` prompt. | -| `agent` | string | `'main'` | Id of the agent that stdin **drives** (`send`/`steer`) and whose `agent/status` gates the EOF exit. Rendering is **not** scoped by it — see below. | - -```yaml -- id: ui-stdio - name: '@deepseek-ai/dsh-ui-stdio' - config: - welcome: 'agent REPL ready. Give it a coding task.' -``` - -## Rendering - -Rendering is **global** — every agent's events are written to stdout, not just `config.agent`'s. `config.agent` scopes only *input* (which agent stdin drives) and the EOF-exit gate; the single-agent demos this serves have just one agent, so the distinction is moot for them. (A multi-agent UI that needs per-agent panes would filter these handlers by the agent argument — deliberately out of scope here.) - -- `session/event` — the durable transcript feed drives ALL rendering, from a single listener so `inReasoning` transitions stay deterministic in append order: `assistant/chunk` writes the model's `text-delta` verbatim and wraps `reasoning-delta` in the dim SGR (`\x1B[2m … \x1B[0m`) so the chain-of-thought is visually subordinate to the answer (inert when no `reasoning-delta` chunks arrive, e.g. a mock model); `turn/start` prints a `[<agent> turn N]` header (the short agent label comes from a session-id→agent-id map seeded from `ctx.agents.list()` at install and kept live via `agent/created`/`agent/disposed`, since the turn event carries only the turn number); `turn/end` prints the trailing `> ` prompt; `tool/call` renders `[tool call] name(args)`; `tool/result` renders the joined text blocks as `[tool result] …`; and `todo/write` renders a glyphed checklist. - -## The I/O seam - -The production entry point `apply(ctx, config)` binds the real `process` streams. The testable core is `createStdioChat(ctx, config, runtime)`, where `runtime: StdioRuntime` supplies `input` / `output` / `exit`. This seam is deliberately **not** part of the serializable `Config` (streams and functions do not belong in YAML config); it exists so the render, EOF, and disposal branches can be exercised with fakes instead of hijacking globals. - -## Piped-stdin exit - -On stdin EOF the plugin exits the process, but carefully: - -- **No work submitted** (empty stdin, blank-only lines): exit immediately — no turn will ever start, so there is nothing to wait for. Gating on an observed `running` here would hang forever. -- **Work submitted**: exit the next time the agent settles to `idle` *after* having been observed `running`. `agent.send()` does not synchronously flip status to `running`, so requiring an observed `running` first (`sawRunning`) avoids exiting in the gap before the turn starts and dropping work; and the loop batches several queued messages into one turn, so the exit keys off the idle transition rather than counting sends. - -Disposal (HMR or fiber teardown) closes the readline interface, which also fires `close` — a `disposed` guard ensures teardown never calls `process.exit`. - -## Plugin export shape - -Named `name` / `inject` / `Config` / `apply`, with **no default export**: the cordis Loader's `unwrapExports` does `exports.default ?? exports`, so a stray default would collapse the module to the bare function and drop the `inject` namespace (see [docs/postmortem/0001](../../../docs/postmortem/0001-acp-default-export-drops-inject.md)). The keyless Loader-path e2e smokes in `examples/{echo,coding}-agent` guard this end-to-end. diff --git a/packages/timeout/README.md b/packages/timeout/README.md new file mode 100644 index 0000000000..36f52abaf3 --- /dev/null +++ b/packages/timeout/README.md @@ -0,0 +1,9 @@ +# timeout/ — tool-call timeout policy + +The tool-call timeout policy plugin. A single **product** package: it is a deployment-policy consumer of the `tools/execute` around-dispatch seam (owned by [`dsh-tools`](../core/tools)) and the pure [`dsh-timeout`](../util/timeout) library — not a swappable capability with an interface/implementation split, so it needs no seam trio. + +| Package | Role | ctx key | +|---|---|---| +| `timeout-policy/` | A `tools/execute` wrapper: for each configured tool it arms a per-call deadline on `exec.signal` and returns a structured `TOOL_TIMEOUT` result when that deadline wins | (registers a `tools/execute` listener; injects nothing) | + +Timeout is split across three layers: [`dsh-timeout`](../util/timeout) owns the pure timing/classification primitive (`deadline`/`timeoutOf`), each capability owns termination (bash kills its process group, the fetch provider tears down its socket), and this package owns the *model-facing tool-call budget as deployment policy* — no model-facing timeout argument, no global default. It is the middleware the [timeout-library RFC](../../docs/rfc/implemented/architecture/2026-07-06-timeout-deadline-library.md) foresaw. `bash` and hook command execution keep their own `BASH_TIMEOUT` backend timeout and do not route through this policy. diff --git a/packages/timeout/timeout-policy/README.md b/packages/timeout/timeout-policy/README.md new file mode 100644 index 0000000000..e637a658bf --- /dev/null +++ b/packages/timeout/timeout-policy/README.md @@ -0,0 +1,34 @@ +# dsh-timeout-policy + +Tool-call timeout enforcer: a single `tools/execute` around-dispatch listener that arms a per-call cooperative deadline on `exec.signal` for a tool declaring `timeoutMs` on its `ToolDefinition` and returns a structured `TOOL_TIMEOUT` result when that deadline wins. The budget is read from the tool's own declaration (`ToolDefinition.timeoutMs`, set by the owning tool plugin), so this plugin is **zero-config**. It is the reference `tools/execute` wrapper and the enforcement home for model-facing tool-call budgets (the timeout-library RFC's foreseen middleware). + +## Plugin (namespace: `timeout-policy`) + +A function/namespace plugin (`name` / `inject` / `apply`), not a service. It registers no tool and takes no config — it consumes `ctx.tools`'s `tools/execute` waterfall (which the `dsh-tools` registry always provides) and reads each dispatched tool's declared `timeoutMs` from the registry (`ctx.tools.get(exec.name)`). + +```yaml +- id: timeout-policy + name: '@deepseek-ai/dsh-timeout-policy' +``` + +The per-tool budget is declared by the tool plugin (e.g. `dsh-tool-web`'s `fetchTimeoutMs`/`searchTimeoutMs` config, attached as `ToolDefinition.timeoutMs`); this plugin only enforces it, so a mistyped tool name is not possible. + +### Behavior + +For a tool that **declares a `timeoutMs`** the listener: + +1. Reads the budget from the tool's own declaration in the registry (`ctx.tools.get(exec.name)?.timeoutMs`) and arms `deadline(exec.signal, timeoutMs, 'TOOL_TIMEOUT')` — one signal fusing the caller's abort with this plugin's timer (`@deepseek-ai/dsh-timeout`). +2. Swaps that derived signal onto `exec` for the downstream dispatch, then restores the caller's own signal afterward (cordis `next()` ignores passed arguments, so the wrapper mutates the shared `exec` in place; restoring keeps `tools/post-execute` seeing the caller's signal). +3. After dispatch, if `timeoutOf(d.signal, 'TOOL_TIMEOUT')` matches — this plugin's own timer fired — replaces the result with a structured `TOOL_TIMEOUT` tool result: `{ isError: true, error: { name: 'ToolTimeoutError', code: 'TOOL_TIMEOUT' }, content: 'Error: tool call timed out after <ms>ms' }`. + +A tool that **declares no budget** delegates untouched (no deadline). + +The base `next()` of `tools/execute` is the registry's dispatch-with-normalization thunk, so when the timeout signal reaches a provider that throws its own upstream-abort error, dispatch first turns it into a normal error result, and this wrapper then replaces that with `TOOL_TIMEOUT`. That ordering is why the replacement is keyed off the signal (`timeoutOf`), not off the dispatched result's shape. + +### Cooperative, not a hard kill + +The derived signal only **notifies**; termination stays with the tool and the capability it forwards `exec.signal` to (the `dsh-timeout` library owns no kill). **Declaring `timeoutMs` therefore means "cooperative with `exec.signal`"**: a tool that ignores the signal will not stop on timeout. Only signal-forwarding tools should declare it — the shipped `web_fetch`/`web_search` (which forward through `ctx.web` to providers) are the reference. `TOOL_TIMEOUT` needs no session event for reconstructability: it is the final model-facing `tool/result`, already logged by the loop. + +### Composing with other `tools/execute` wrappers + +Multiple `tools/execute` listeners compose by cordis registration order. Combined with a future retry/sandbox/metrics wrapper, registration order chooses the semantics — "timeout covers the whole retry operation" (timeout registered outer) versus "timeout covers each attempt" (timeout registered inner). diff --git a/packages/timeout/timeout-policy/package.json b/packages/timeout/timeout-policy/package.json new file mode 100644 index 0000000000..9069735b86 --- /dev/null +++ b/packages/timeout/timeout-policy/package.json @@ -0,0 +1,36 @@ +{ + "name": "@deepseek-ai/dsh-timeout-policy", + "description": "Tool-call timeout policy: a tools/execute wrapper that arms a per-tool deadline on exec.signal and returns TOOL_TIMEOUT when it wins", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-timeout": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-timeout": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/timeout/timeout-policy/src/index.ts b/packages/timeout/timeout-policy/src/index.ts new file mode 100644 index 0000000000..319de676a9 --- /dev/null +++ b/packages/timeout/timeout-policy/src/index.ts @@ -0,0 +1,115 @@ +/** + * `@deepseek-ai/dsh-timeout-policy`: the tool-call timeout ENFORCER. It registers + * ONE `tools/execute` around-dispatch listener that, for a tool declaring a + * `timeoutMs` on its {@link ToolDefinition}, arms a per-call deadline on + * `exec.signal` and returns a structured `TOOL_TIMEOUT` result when that deadline + * wins. The budget is DECLARED by the tool (see `ToolDefinition.timeoutMs`, set + * by the owning tool plugin from its own config); this plugin only enforces it, + * so it is zero-config and there is no tool-name map to mistype. + * + * This is a COOPERATIVE deadline, not a hard kill: the derived signal only + * NOTIFIES. A tool that declares `timeoutMs` (and the capability it forwards + * `exec.signal` to) must honor that signal and reach quiescence — the plugin + * never races the tool promise or terminates work itself (see the timeout-library + * RFC's rejection of `Promise.race`). Declaring `timeoutMs` therefore MEANS "this + * tool is cooperative with `exec.signal`": a tool that ignores the signal will + * not stop on timeout, so only signal-forwarding tools should declare it (the + * shipped web tools are the reference). + * + * Ownership of the `TOOL_TIMEOUT` code is entirely here: it is both the internal + * {@link deadline} code (so {@link timeoutOf} scopes the classification to THIS + * plugin's own timer, reading a foreign/nested outer deadline as an ordinary + * cancel) and the structured `{ name, code }` on the replacement tool result. + * No new session event is needed for reconstructability: the `TOOL_TIMEOUT` + * result IS the final model-facing `tool/result`, already logged by the loop. + * + * Why a `tools/execute` around seam and not a `pre`/`post` pair: the deadline + * needs ONE lexical scope — arm on `exec.signal`, delegate to dispatch, classify + * the result, dispose the timer — which the around seam gives directly. A + * pre/post split would spread one deadline's lifetime across two independent + * waterfalls (a call-id map, cleanup on every deny/throw/dispose path). + * + * @module @deepseek-ai/dsh-timeout-policy + */ + +import type { Context } from 'cordis' +import type { CallId } from '@deepseek-ai/dsh-llm' +import { deadline, timeoutOf } from '@deepseek-ai/dsh-timeout' +import type { ToolExecutionResult } from '@deepseek-ai/dsh-tools' + +/** + * The code owned by this plugin, used BOTH as the internal {@link deadline} + * classification code AND as the structured error `code` on the replacement + * tool result. Scoping {@link timeoutOf} to it keeps a nested outer deadline + * (another `tools/execute` wrapper's timer that fired first) from being misread + * as this plugin's own timeout — it reads as an ordinary upstream cancel. + */ +export const TOOL_TIMEOUT = 'TOOL_TIMEOUT' + +/** Cordis plugin name used by loader diagnostics. */ +export const name = 'timeout-policy' + +/** The tool registry seam this plugin wraps (`tools/execute`) and reads (`get`). */ +export const inject = ['tools'] + +/** + * The structured result substituted when this plugin's deadline wins. `content` + * is the model-facing message; `error.code` is the same {@link TOOL_TIMEOUT} + * this plugin owns, so a retry/sandbox plugin (and replay) can route on it. + * + * @param callId - the timed-out call's id, carried onto the replacement result. + * @param timeoutMs - the elapsed budget, rendered into the model-facing message. + * @returns the `isError` {@link ToolExecutionResult} with a `TOOL_TIMEOUT` error. + */ +export function toolTimeoutResult(callId: CallId, timeoutMs: number): ToolExecutionResult { + return { + callId, + content: [{ type: 'text', text: `Error: tool call timed out after ${timeoutMs}ms` }], + isError: true, + error: { name: 'ToolTimeoutError', code: TOOL_TIMEOUT }, + } +} + +/** + * Register the tool-call timeout enforcer. For a tool whose {@link ToolDefinition} + * declares `timeoutMs`, the listener arms a {@link deadline} on the caller's + * `exec.signal`, swaps it onto `exec` for the downstream dispatch (cordis + * `next()` ignores passed arguments, so a wrapper mutates the shared `exec` in + * place), restores the original signal afterward so `tools/post-execute` sees the + * caller's own signal, and replaces the result with {@link toolTimeoutResult} + * when its own timer fired. A tool that declares no budget delegates untouched. + * + * The budget source is the tool's own declaration read from the registry + * (`ctx.tools.get(exec.name)?.timeoutMs`), NOT a plugin config map — `exec.name` + * is the tool being dispatched, so the lookup always resolves and there is no + * mistypable tool name and no unknown-name path to warn or throw about. + */ +export function apply(ctx: Context): void { + ctx.on('tools/execute', async (exec, next): Promise<ToolExecutionResult> => { + const timeoutMs = ctx.tools.get(exec.name)?.timeoutMs + // A tool that declares no budget: no deadline, delegate unchanged. + if (timeoutMs === undefined) return next() + + using d = deadline(exec.signal, timeoutMs, TOOL_TIMEOUT) + // Swap the derived deadline onto exec for dispatch, then restore the + // caller's own signal so post-execute listeners never see this plugin's + // (possibly already-aborted) timeout signal. `undefined` is not assignable to + // the optional `signal` under exactOptionalPropertyTypes, so branch on it. + const upstream = exec.signal + exec.signal = d.signal + try { + const result = await next() + // If OUR timer fired (scoped by code — a nested outer deadline reads as + // undefined here), the tool/capability saw the abort and reached + // quiescence; replace whatever it returned (its own abort result) with the + // structured TOOL_TIMEOUT the model sees. + if (timeoutOf(d.signal, TOOL_TIMEOUT) !== undefined) { + return toolTimeoutResult(exec.callId, timeoutMs) + } + return result + } finally { + if (upstream === undefined) delete exec.signal + else exec.signal = upstream + } + }) +} diff --git a/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts b/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts new file mode 100644 index 0000000000..ef5c52030f --- /dev/null +++ b/packages/timeout/timeout-policy/tests/timeout-policy.spec.ts @@ -0,0 +1,200 @@ +/** + * Unit + real-load-path coverage for @deepseek-ai/dsh-timeout-policy. The + * timeout-wins cases drive the deadline under fake timers (deterministic — no + * wall-clock race) and use a COOPERATIVE tool that settles only when its + * `exec.signal` aborts, mirroring how a real capability forwards the signal and + * reaches quiescence. + */ + +import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import Loader from '@cordisjs/plugin-loader' +import { CallId, HarnessError } from '@deepseek-ai/dsh-llm' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry, { defineTool, type ToolExecution, type ToolExecutionResult, type PostToolDecision } from '@deepseek-ai/dsh-tools' +import * as timeoutPolicy from '@deepseek-ai/dsh-timeout-policy' +import { TOOL_TIMEOUT, toolTimeoutResult } from '@deepseek-ai/dsh-timeout-policy' + +/** Mount the registry + the zero-config timeout-policy enforcer. */ +async function setup() { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(timeoutPolicy) + return ctx +} + +/** A cooperative tool that settles ONLY when its exec.signal aborts (returns text). */ +const cooperativeTool = defineTool({ + name: 'slow', description: 'stops when aborted', parameters: {}, timeoutMs: 100, + execute(_args, exec): Promise<{ type: 'text'; text: string }[]> { + const done = [{ type: 'text' as const, text: 'stopped cooperatively' }] + if (exec.signal?.aborted) return Promise.resolve(done) + return new Promise((resolve) => { exec.signal?.addEventListener('abort', () => { resolve(done) }) }) + }, +}) + +/** A cooperative tool that THROWS its own upstream-abort error when aborted (web-provider shape). */ +const abortThrowingTool = defineTool({ + name: 'aborter', description: 'throws WEB_ABORTED when aborted', parameters: {}, timeoutMs: 100, + execute(_args, exec): Promise<never> { + if (exec.signal?.aborted) return Promise.reject(new HarnessError('web fetch aborted', 'WEB_ABORTED')) + return new Promise((_resolve, reject) => { exec.signal?.addEventListener('abort', () => { reject(new HarnessError('web fetch aborted', 'WEB_ABORTED')) }) }) + }, +}) + +describe('timeout-policy delegation (unconfigured / fast)', () => { + it('delegates a tool with NO declared budget unchanged and does not touch exec.signal', async () => { + const ctx = await setup() + let seenSignal: AbortSignal | undefined + ctx.tools.register(defineTool({ name: 'probe', description: 'd', parameters: {}, + async execute(_a, exec) { seenSignal = exec.signal; return [{ type: 'text' as const, text: 'ok' }] } })) + const upstream = new AbortController().signal + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'probe', arguments: {}, signal: upstream }) + expect(result.isError).toBe(false) + expect(seenSignal).toBe(upstream) + }) + + it('a tool with a budget that returns fast keeps its own result (no timeout)', async () => { + const ctx = await setup() + ctx.tools.register(defineTool({ name: 'fast', description: 'd', parameters: {}, timeoutMs: 10_000, + async execute() { return [{ type: 'text' as const, text: 'ok' }] } })) + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'fast', arguments: {} }) + expect(result).toEqual({ callId: CallId('c1'), content: [{ type: 'text', text: 'ok' }], isError: false }) + }) + + it('a budgeted tool receives the DERIVED deadline signal (not the caller signal) during dispatch', async () => { + const ctx = await setup() + let seenSignal: AbortSignal | undefined + ctx.tools.register(defineTool({ name: 'probe', description: 'd', parameters: {}, timeoutMs: 10_000, + async execute(_a, exec) { seenSignal = exec.signal; return [{ type: 'text' as const, text: 'ok' }] } })) + const upstream = new AbortController().signal + await ctx.tools.execute({ callId: CallId('c1'), name: 'probe', arguments: {}, signal: upstream }) + expect(seenSignal).toBeDefined() + expect(seenSignal).not.toBe(upstream) + }) +}) + +describe('timeout-policy signal restoration', () => { + it('restores the caller signal for post-execute after wrapping', async () => { + const ctx = await setup() + ctx.tools.register(defineTool({ name: 'fast', description: 'd', parameters: {}, timeoutMs: 10_000, + async execute() { return [{ type: 'text' as const, text: 'ok' }] } })) + let postSignal: AbortSignal | undefined | 'unset' = 'unset' + ctx.on('tools/post-execute', async (exec, _result, next): Promise<PostToolDecision> => { postSignal = exec.signal; return next() }) + const upstream = new AbortController().signal + await ctx.tools.execute({ callId: CallId('c1'), name: 'fast', arguments: {}, signal: upstream }) + expect(postSignal).toBe(upstream) + }) + + it('deletes exec.signal again when the caller passed none', async () => { + const ctx = await setup() + ctx.tools.register(defineTool({ name: 'fast', description: 'd', parameters: {}, timeoutMs: 10_000, + async execute() { return [{ type: 'text' as const, text: 'ok' }] } })) + let hadSignal: boolean | undefined + ctx.on('tools/post-execute', async (exec, _result, next): Promise<PostToolDecision> => { hadSignal = 'signal' in exec && exec.signal !== undefined; return next() }) + await ctx.tools.execute({ callId: CallId('c1'), name: 'fast', arguments: {} }) + expect(hadSignal).toBe(false) + }) +}) + +describe('timeout-policy TOOL_TIMEOUT replacement (deadline wins)', () => { + beforeEach(() => { vi.useFakeTimers() }) + afterEach(() => { vi.useRealTimers() }) + + it('replaces a cooperative tool result with TOOL_TIMEOUT when its own deadline fires', async () => { + const ctx = await setup() + ctx.tools.register(cooperativeTool) + const pending = ctx.tools.execute({ callId: CallId('c1'), name: 'slow', arguments: {} }) + await vi.advanceTimersByTimeAsync(150) + const result = await pending + expect(result).toEqual({ + callId: CallId('c1'), + content: [{ type: 'text', text: 'Error: tool call timed out after 100ms' }], + isError: true, + error: { name: 'ToolTimeoutError', code: 'TOOL_TIMEOUT' }, + }) + }) + + it('replaces a provider-owned abort ERROR result with TOOL_TIMEOUT when the signal was ours', async () => { + const ctx = await setup() + ctx.tools.register(abortThrowingTool) + const pending = ctx.tools.execute({ callId: CallId('c1'), name: 'aborter', arguments: {} }) + await vi.advanceTimersByTimeAsync(150) + const result = await pending + expect(result.isError).toBe(true) + expect(result.error).toEqual({ name: 'ToolTimeoutError', code: 'TOOL_TIMEOUT' }) + expect(result.content[0]).toMatchObject({ text: 'Error: tool call timed out after 100ms' }) + }) + + it('does NOT replace when the caller aborts first (upstream cancel, not our timeout)', async () => { + const ctx = await setup() + ctx.tools.register(cooperativeTool) + const upstream = new AbortController() + const pending = ctx.tools.execute({ callId: CallId('c1'), name: 'slow', arguments: {}, signal: upstream.signal }) + upstream.abort('user cancelled') + await vi.advanceTimersByTimeAsync(0) + const result = await pending + expect(result.isError).toBe(false) + expect(result.content[0]).toMatchObject({ text: 'stopped cooperatively' }) + }) +}) + +describe('toolTimeoutResult', () => { + it('builds the structured TOOL_TIMEOUT result', () => { + expect(toolTimeoutResult(CallId('c9'), 250)).toEqual({ + callId: CallId('c9'), + content: [{ type: 'text', text: 'Error: tool call timed out after 250ms' }], + isError: true, + error: { name: 'ToolTimeoutError', code: 'TOOL_TIMEOUT' }, + } satisfies ToolExecutionResult) + }) + + it('exposes the owned code constant', () => { + expect(TOOL_TIMEOUT).toBe('TOOL_TIMEOUT') + }) +}) + +describe('timeout-policy disposal (HMR safety)', () => { + it('removes its tools/execute listener when the plugin fiber disposes', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + let seenSignal: AbortSignal | undefined + ctx.tools.register(defineTool({ name: 'probe', description: 'd', parameters: {}, timeoutMs: 10_000, + async execute(_a, exec) { seenSignal = exec.signal; return [{ type: 'text' as const, text: 'ok' }] } })) + const fiber = await ctx.plugin(timeoutPolicy) + const upstream = new AbortController().signal + await ctx.tools.execute({ callId: CallId('c1'), name: 'probe', arguments: {}, signal: upstream }) + expect(seenSignal).not.toBe(upstream) + await fiber.dispose() + await ctx.tools.execute({ callId: CallId('c2'), name: 'probe', arguments: {}, signal: upstream }) + expect(seenSignal).toBe(upstream) + }) +}) + +describe('dsh-timeout-policy real-load-path guard', () => { + it('has no default export and keeps name/inject through unwrapExports', () => { + expect('default' in timeoutPolicy).toBe(false) + const loader = Object.create(Loader.prototype) as Loader + const unwrapped = loader.unwrapExports(timeoutPolicy) as Record<string, unknown> + expect(unwrapped).toBe(timeoutPolicy) + expect(unwrapped.name).toBe('timeout-policy') + expect(unwrapped.inject).toEqual(['tools']) + expect(typeof unwrapped.apply).toBe('function') + }) + + it('boots over ctx.tools through the unwrapped module and wraps a budgeted tool', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + ctx.tools.register(defineTool({ name: 'fast', description: 'd', parameters: {}, timeoutMs: 5_000, + async execute() { return [{ type: 'text' as const, text: 'ok' }] } })) + const loader = Object.create(Loader.prototype) as Loader + const unwrapped = loader.unwrapExports(timeoutPolicy) as Parameters<Context['plugin']>[0] + const fiber = await ctx.plugin(unwrapped) + const result = await ctx.tools.execute({ callId: CallId('c1'), name: 'fast', arguments: {} } satisfies ToolExecution) + expect(result.isError).toBe(false) + await fiber.dispose() + }) +}) diff --git a/packages/timeout/timeout-policy/tsconfig.json b/packages/timeout/timeout-policy/tsconfig.json new file mode 100644 index 0000000000..8c0b47716e --- /dev/null +++ b/packages/timeout/timeout-policy/tsconfig.json @@ -0,0 +1,16 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": ["src"], + "references": [ + { "path": "../../../vendor/cosmokit" }, + { "path": "../../../vendor/cordis" }, + { "path": "../../../vendor/schemastery" }, + { "path": "../../llm/llm" }, + { "path": "../../util/timeout" }, + { "path": "../../core/tools" } + ] +} diff --git a/packages/todo/README.md b/packages/todo/README.md index df258fab0c..3f427295c1 100644 --- a/packages/todo/README.md +++ b/packages/todo/README.md @@ -6,4 +6,4 @@ The model-facing todo tool. A single **product** package — there is no interfa |---|---|---| | `tool-todo/` | Model-facing `todo_write` tool; writes the whole list to the session log (`todo/write`) | (registers on `ctx.tools`) | -The list lives on the event-sourced session log (`SessionEventMap['todo/write']`, owned by [`dsh-session`](../core/session)); this package is the thin consumer that appends the snapshot. UIs render off `session/event`: the [stdio UI](../support/ui-stdio) prints the list, the [ACP bridge](../ui/acp) maps it to a `plan` sessionUpdate. +The list lives on the event-sourced session log (`SessionEventMap['todo/write']`, owned by [`dsh-session`](../core/session)); this package is the thin consumer that appends the snapshot. UIs render off `session/event`: the [stdio app's readline UI](../ui/stdio-agent) prints the list, the [ACP bridge](../ui/acp) maps it to a `plan` sessionUpdate. diff --git a/packages/todo/tool-todo/README.md b/packages/todo/tool-todo/README.md index fc6dc94860..b27cc65227 100644 --- a/packages/todo/tool-todo/README.md +++ b/packages/todo/tool-todo/README.md @@ -18,7 +18,7 @@ Beyond the schema's type/required/enum checks, `execute` rejects an empty or dup ## Rendering -The tool writes only the session event; it does not render. UIs subscribe to `session/event` and render the `todo/write` data themselves: the [stdio UI](../../support/ui-stdio) prints a glyphed checklist, and the [ACP bridge](../../ui/acp) maps the list to a `plan` sessionUpdate (synthesizing the `priority` ACP requires). +The tool writes only the session event; it does not render. UIs subscribe to `session/event` and render the `todo/write` data themselves: the [stdio app's readline UI](../../ui/stdio-agent) prints a glyphed checklist, and the [ACP bridge](../../ui/acp) maps the list to a `plan` sessionUpdate (synthesizing the `priority` ACP requires). ## Export shape diff --git a/packages/ui/README.md b/packages/ui/README.md index 659519407c..604eff6521 100644 --- a/packages/ui/README.md +++ b/packages/ui/README.md @@ -5,9 +5,15 @@ Integrations that expose the agent to an external editor or client. These are ** | Package | Role | ctx key | |---|---|---| | `acp/` | Agent Client Protocol bridge: serves the agent to an ACP editor (Zed) over JSON-RPC stdio | (drives `ctx.agents`/`ctx.sessions`) | +| `user-approval/` | One-shot user-approval mechanism, closed outcome vocabulary, audit events, and per-session approval policy | `ctx.approval` | +| `user-interaction/` | Abstract human question/answer seam used by UI-backed confirmation tools | `ctx.userInteraction` | +| `tool-ask-user/` | Model-facing `ask_user_question` tool over `ctx.userInteraction` | (registers on `ctx.tools`) | | `stdio-agent/` | Terminal stdio chat APP: the agent-core spine + console logger + readline UI + a pre-created `main` agent, with a `bin` | (composition + `bin`) | | `acp-agent/` | ACP server APP: the agent-core spine + JSONL persistence + the `acp` bridge (no stdout logger), with a `bin` | (composition + `bin`) | +| `app-boot/` | Shared boot glue for the two app bins: `.env` loading, fail-loud Loader guards, snapshot-aware config resolution, the settle-the-tree boot sequence | (library for the bins) | -A UI integration is a client-driver plugin, not a loop change and not a capability seam: it consumes the existing `agent/*` event taxonomy and the `dsh-agent` factory. The readline `ui-stdio` plugin is the unstructured analogue but lives in `support/` because it exists chiefly for the examples and the coverage gate — `ui/` is reserved for surfaces shipped as product. +A UI integration is a client-driver plugin, not a loop change and not a capability seam: it consumes the existing `agent/*` event taxonomy and the `dsh-agent` factory. The readline UI is the unstructured analogue of the `acp` bridge and lives INSIDE the stdio app (the `stdio-chat` module of [`stdio-agent/`](stdio-agent/README.md)): it is scaffolding for that one front door, not an independently swappable integration, so it carries no package boundary of its own. + +`user-approval`, `user-interaction`, and `tool-ask-user` live here because asking a human is a UI-backed product affordance, not part of the providerless core spine. `user-approval` owns the one-shot `ctx.approval` decision mechanism and its policy tier; answerers remain with their UI channel owners. `user-interaction` remains provider-neutral (`ctx.userInteraction`), while `tool-ask-user` is its model-facing consumer and the app/bridge packages provide concrete providers. `stdio-agent` and `acp-agent` are the two **app packages**: each composes the [`core/agent-core`](../core/agent-core/README.md) spine with its coupled front-door cluster (and owns the boot `bin`), so a leaf `cordis.yml` is the swappable backends plus one app entry plus any optional product tools. They live in `ui/` because each IS a user-facing front door; the stdout-purity coupling (logger vs. no logger) becomes a property of the artifact rather than a leaf convention. diff --git a/packages/ui/acp-agent/README.md b/packages/ui/acp-agent/README.md index 3403ef2126..d81c9cc091 100644 --- a/packages/ui/acp-agent/README.md +++ b/packages/ui/acp-agent/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-acp-agent -The **ACP server app**: a Cordis app plugin that composes the providerless agent spine ([`@deepseek-ai/dsh-agent-core`](../../core/agent-core/README.md)) with the front-door cluster an [Agent Client Protocol](../acp/README.md) server needs, and a `bin` that boots a leaf `cordis.yml` speaking ACP JSON-RPC on stdio. +The **ACP server app**: a Cordis app plugin that composes the default agent spine ([`@deepseek-ai/dsh-agent-core`](../../core/agent-core/README.md)) with the front-door cluster an [Agent Client Protocol](../acp/README.md) server needs, and a `bin` that boots a leaf `cordis.yml` speaking ACP JSON-RPC on stdio. It is the structured counterpart to [`@deepseek-ai/dsh-stdio-agent`](../stdio-agent/README.md): both consume the same spine, but this one bakes in the OPPOSITE front-door cluster. @@ -11,8 +11,10 @@ stdout is the ACP JSON-RPC channel, so the cluster is defined as much by what it | Plugin | Why | |---|---| | `@deepseek-ai/dsh-agent-core` | the spine, pre-creating **no** agents (ACP `session/new` creates them on demand) | +| `@deepseek-ai/dsh-user-interaction` | the human question/answer seam used by clients that can complete ACP elicitation requests | | `@deepseek-ai/dsh-session-persistence-jsonl` | durable JSONL session log (the bridge advertises `loadSession`) | -| `@deepseek-ai/dsh-acp` | the bridge that owns stdout for JSON-RPC | +| `@deepseek-ai/dsh-acp` | the bridge that owns stdout for JSON-RPC and provides ACP-backed user answers when a leaf explicitly exposes a user-question tool | +| ~~`@deepseek-ai/dsh-tool-ask-user`~~ | **omitted by default** — ACP elicitation support is still client-dependent, so leaves must opt in deliberately | | ~~console logger~~ | **omitted** — it writes to stdout and would corrupt the protocol frames ([the stdout-purity footgun](../acp/README.md)) | | ~~`hmr`~~ | **omitted** — the editor owns the subprocess | @@ -23,7 +25,8 @@ Because the package wires no logger entry, an ACP leaf has **nothing to get wron | Key | Default | Routed to | |---|---|---| | `model` | (required) | the per-session agent template the bridge creates agents from | -| `systemPrompt` | (required) | the per-session agent's system prompt | +| `persona` | — | the deployment persona template (may reference `{{model}}`/`{{cwd}}`), routed to `dsh-system-prompt` | +| `toolOrder` | — | explicit model-facing tool order (a name list with one `'<unlisted-tools>'` rest entry; absent — lexicographic; an unregistered name fails each turn at prompt assembly), routed to `dsh-system-prompt` | | `persistenceRoot` | `./.sessions` | the JSONL backend's root directory | The leaf supplies the swappable backends: an LLM adapter (`llm-deepseek` for the real model, `llm-replay` for keyless snapshot replay) and a bash executor (`bash-local`). diff --git a/packages/ui/acp-agent/package.json b/packages/ui/acp-agent/package.json index 72eb95b2f7..b6d59c9467 100644 --- a/packages/ui/acp-agent/package.json +++ b/packages/ui/acp-agent/package.json @@ -32,18 +32,25 @@ "peerDependencies": { "@cordisjs/plugin-include": "^1.0.4", "@cordisjs/plugin-loader": "^1.0.0-rc.4", + "@deepseek-ai/dsh-app-boot": "^0.0.1", "@deepseek-ai/dsh-acp": "^0.0.1", "@deepseek-ai/dsh-agent-core": "^0.0.1", "@deepseek-ai/dsh-session-persistence-jsonl": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "@deepseek-ai/dsh-user-interaction": "^0.0.1", "cordis": "^4.0.0-rc.6", "schemastery": "^3.17.0" }, "devDependencies": { "@cordisjs/plugin-include": "workspace:^", "@cordisjs/plugin-loader": "workspace:^", + "@deepseek-ai/dsh-app-boot": "workspace:^", "@deepseek-ai/dsh-acp": "workspace:^", "@deepseek-ai/dsh-agent-core": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^", + "@deepseek-ai/dsh-user-interaction": "workspace:^", "cordis": "^4.0.0-rc.6", "schemastery": "^3.17.0" } diff --git a/packages/ui/acp-agent/src/bin.ts b/packages/ui/acp-agent/src/bin.ts index 24e31f3251..1cbdff64d1 100644 --- a/packages/ui/acp-agent/src/bin.ts +++ b/packages/ui/acp-agent/src/bin.ts @@ -2,167 +2,45 @@ /** * The `dsh-acp-agent` bin: boot the ACP server from a leaf `cordis.yml` that * loads the {@link @deepseek-ai/dsh-acp-agent} app plugin (plus an LLM adapter - * and a bash executor), speaking ACP JSON-RPC on stdio. + * and a bash executor), speaking ACP JSON-RPC on stdio. The shared boot glue — + * `.env` loading, the fail-loud Loader guards, snapshot-aware config + * resolution, the settle-the-tree boot sequence — lives in + * {@link @deepseek-ai/dsh-app-boot}; this bin owns only the ACP-specific + * lifecycle: * - * Owns the ACP-specific boot glue the example's `start.ts` once held: - * - `.env` loading (`DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL`) — SKIPPED in - * snapshot REPLAY so a stray key can never trigger a live model call. - * - snapshot-mode config selection: `DSH_SNAPSHOT=replay` swaps the given - * `cordis.yml` for its sibling `cordis.snapshot.yml` (the keyless replay - * tree: `llm-replay` in place of `llm-deepseek`). - * - the stdin-dispose lifecycle: in a snapshot run the harness closes stdin - * when done, so dispose the context (flushing persistence) and exit cleanly. + * - `.env` loading is SKIPPED in snapshot REPLAY so a stray key can never + * trigger a live model call. + * - `DSH_SNAPSHOT=replay` swaps the given `cordis.yml` for its sibling + * `cordis.snapshot.yml` (the keyless replay tree: `llm-replay` in place of + * `llm-deepseek`). + * - In a snapshot run the harness closes stdin when done, so dispose the + * context (flushing persistence) and exit cleanly. In a normal editor + * session stdin stays open for the connection's lifetime (the editor kills + * the process), so the EOF handler never fires. * * IMPORTANT: stdout is the ACP JSON-RPC channel. This bin writes diagnostics to - * STDERR only; the app plugin loads no stdout logger. A stray stdout write - * corrupts the protocol frames. + * STDERR only (the app plugin loads no stdout logger, and the shared guards + * write to stderr); a stray stdout write corrupts the protocol frames. * * Usage: `dsh-acp-agent [path-to-cordis.yml]` (default `./cordis.yml`). * * @module @deepseek-ai/dsh-acp-agent/bin */ -import { pathToFileURL } from 'node:url' -import { basename, dirname, resolve } from 'node:path' -import { Context } from 'cordis' -import Loader from '@cordisjs/plugin-loader' +import { boot, installFailLoud, loadEnv, resolveConfigPath } from '@deepseek-ai/dsh-app-boot' -/** - * Resolve the config to boot, honoring snapshot REPLAY. Given the requested - * path, replay mode swaps a `cordis.yml` basename for `cordis.snapshot.yml` in - * the SAME directory (the keyless replay tree). Other modes use the path as-is. - * Returns an absolute path resolved from the cwd. - */ -export function resolveConfigPath(configPath: string, snapshotMode: string | undefined): string { - const absolute = resolve(process.cwd(), configPath) - if (snapshotMode !== 'replay') return absolute - const dir = dirname(absolute) - const replayName = basename(absolute).replace(/cordis\.ya?ml$/, 'cordis.snapshot.yml') - return resolve(dir, replayName) -} +const NAME = 'dsh-acp-agent' -/** - * Load `DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL` from a gitignored `.env` in the - * cwd (Node native). Diagnostics go to STDERR (stdout is the protocol). In - * REPLAY mode the caller skips this entirely — replay must never reach the - * network, so a present `.env` must not enable a live call. - */ -function loadEnv(): void { - try { - process.loadEnvFile(resolve(process.cwd(), '.env')) - } catch (error) { - if ((error as NodeJS.ErrnoException | null)?.code !== 'ENOENT') { - process.stderr.write(`dsh-acp-agent: failed to load .env: ${String(error)}\n`) - } - // ENOENT (no .env) is fine — rely on the ambient environment. - } -} - -/** - * Make a load failure fail loud with a clear message on stderr. Covers the - * failure path the entry-tree check below cannot: when the include's - * `[Service.init]` throws (e.g. a config FILE missing in a real directory), the - * cordis Loader surfaces it as an unhandled promise rejection AFTER `boot()` - * resolves — `loader.await()` does NOT rethrow it (`EntryTree.await()` uses - * `Promise.allSettled`, which swallows rejections). Node's default handler - * already exits non-zero on an unhandled rejection, so this does not change the - * exit code; it replaces the noisy stack dump with a single labelled line (on - * STDERR — stdout is the ACP JSON-RPC channel) and guarantees `process.exit(1)`. - * Install before `boot()`. - */ -export function installFailLoud(): void { - process.on('unhandledRejection', (err: unknown) => { - process.stderr.write(`dsh-acp-agent: fatal load failure: ${err instanceof Error ? err.stack ?? err.message : String(err)}\n`) - process.exit(1) +/* v8 ignore start -- thin self-executing composition over the unit-tested + dsh-app-boot helpers; exercised end-to-end by the snapshot suite and the + built-bin smoke */ +installFailLoud(NAME) +const snapshotMode = process.env['DSH_SNAPSHOT'] +if (snapshotMode !== 'replay') loadEnv(NAME) +const ctx = await boot(NAME, resolveConfigPath(process.argv[2] ?? './cordis.yml', snapshotMode)) +if (snapshotMode !== undefined) { + process.stdin.on('end', () => { + void ctx.fiber.dispose().then(() => { process.exit(0) }) }) } - -/** - * After the tree settles, assert every loader entry actually started. This is - * the load-bearing guard against the SILENT-exit-0 bug: a plugin module that - * fails to IMPORT (e.g. a config path in a non-existent directory) is caught and - * only LOGGED by the cordis Loader (`entry._init`), leaving the entry with no - * `fiber` and producing no rejection — so the process would otherwise exit 0. A - * started entry has a `fiber`; throw on any entry still missing one so `boot()` - * rejects. - * - * A `disabled` entry is the one legitimate fiber-less state: `Entry.refresh()` - * deliberately skips `init()` for it, so it settles without a fiber by design — - * a valid "plugin turned off" config, not a failed import. Exclude it. - */ -function assertEntriesLoaded(ctx: Context): void { - const failed = [...ctx.loader.entries()].filter(entry => entry.fiber === undefined && !entry.disabled) - if (failed.length > 0) { - const names = failed.map(entry => entry.options.name).join(', ') - throw new Error(`dsh-acp-agent: plugin(s) failed to load: ${names} (see the error(s) logged above)`) - } -} - -/** - * Boot the Loader against `absoluteConfigPath`. The include is handed the - * config's ABSOLUTE `file://` URL as its `path`, so resolution never depends on - * `ctx.baseUrl` (an absolute URL ignores the base) and can never fall back to - * the cwd. `baseUrl` is still pinned to the config's directory so the config's - * OWN relative plugin/include paths resolve against it. Returns the root context - * once the whole tree has settled. - * - * The `await ctx.loader.await()` is load-bearing: `loader.create()` returns once - * the include ENTRY is registered, but the include then loads its child plugins - * asynchronously. Without awaiting the tree, `boot()` would resolve while the ACP - * bridge is still mounting — the process would have no stdin handle attached yet - * and could exit 0 silently. Awaiting keeps the process alive until the bridge - * is up. - * - * `loader.await()` does NOT rethrow load errors (`EntryTree.await()` uses - * `Promise.allSettled`), so failures are surfaced two ways: a plugin that fails - * to IMPORT leaves an entry with no fiber, caught here by - * {@link assertEntriesLoaded} (this `boot()` rejects); a plugin whose init THROWS - * surfaces as an unhandled rejection caught by {@link installFailLoud} (installed - * by `main()` before this runs). Together any load failure exits non-zero. - * - * Bare plugin specifiers in the config (`@deepseek-ai/dsh-*`, npm packages) are - * resolved by the cordis Loader's internal module loader, which is only active - * under `node --expose-internals`. The `demo:acp` script runs under tsx (whose - * tsconfig `paths` map resolves the workspace plugins instead), but a consumer - * running the built bin under plain node must pass `--expose-internals` so the - * Loader resolves the config's plugins from the config directory rather than - * relative to its own module. - */ -export async function boot(absoluteConfigPath: string): Promise<Context> { - const ctx = new Context() - ctx.baseUrl = pathToFileURL(dirname(absoluteConfigPath)).href + '/' - await ctx.plugin(Loader) - await ctx.loader.create({ - name: '@cordisjs/plugin-include', - config: { path: pathToFileURL(absoluteConfigPath).href }, - }) - await ctx.loader.await() - assertEntriesLoaded(ctx) - return ctx -} - -/** - * Entry point. Installs the fail-loud guard, selects the config (snapshot-aware), - * loads `.env` outside replay, boots, and — in a snapshot run — disposes the - * context on stdin EOF so the session log is fully flushed before exit and the - * harness's `waitForExit` resolves. In a normal editor session stdin stays open - * for the connection's lifetime (the editor kills the process), so the EOF - * handler never fires. - */ -export async function main(argv: string[] = process.argv.slice(2)): Promise<void> { - installFailLoud() - const snapshotMode = process.env.DSH_SNAPSHOT - const configPath = resolveConfigPath(argv[0] ?? './cordis.yml', snapshotMode) - if (snapshotMode !== 'replay') loadEnv() - const ctx = await boot(configPath) - if (snapshotMode !== undefined) { - process.stdin.on('end', () => { - void ctx.fiber.dispose().then(() => { process.exit(0) }) - }) - } -} - -/* v8 ignore start -- top-level CLI invocation; the testable core is - resolveConfigPath()/boot()/main(), driven by the keyless snapshot + Loader-path tests */ -await main() /* v8 ignore stop */ diff --git a/packages/ui/acp-agent/src/index.ts b/packages/ui/acp-agent/src/index.ts index c505e9bf41..27b919f756 100644 --- a/packages/ui/acp-agent/src/index.ts +++ b/packages/ui/acp-agent/src/index.ts @@ -1,5 +1,5 @@ /** - * The ACP server app: the providerless agent spine ({@link + * The ACP server app: the default agent spine ({@link * @deepseek-ai/dsh-agent-core}) plus the coupled front-door cluster an ACP * server needs — JSONL session persistence and the {@link @deepseek-ai/dsh-acp} * bridge, and DELIBERATELY NOTHING that writes to stdout. @@ -34,40 +34,63 @@ import type { Context } from 'cordis' import z from 'schemastery' import * as acp from '@deepseek-ai/dsh-acp' import * as agentCore from '@deepseek-ai/dsh-agent-core' +import ToolRegistry, { type Config as ToolsConfig } from '@deepseek-ai/dsh-tools' import SessionPersistenceJsonl from '@deepseek-ai/dsh-session-persistence-jsonl' +import UserInteractionService from '@deepseek-ai/dsh-user-interaction' export const name = 'acp-agent' /** - * App config: the swappable per-deployment values. `model`/`systemPrompt` - * configure the agent template the ACP bridge creates each session's agent from - * (NOT a pre-created agent — ACP creates agents at `session/new`); - * `persistenceRoot` is the JSONL backend's directory. + * App config: the swappable per-deployment values. `model` configures the + * agent template the ACP bridge creates each session's agent from (NOT a + * pre-created agent — ACP creates agents at `session/new`); `persona` is the + * deployment persona (forwarded to the system-prompt plugin); `toolOrder` is + * the explicit model-facing tool order (forwarded to the system-prompt plugin); + * `tools` is the tool registry's config (its presentation `mode`, forwarded + * through agent-core); `persistenceRoot` is the JSONL backend's directory. */ export interface Config { /** Model name for ACP-created agents (must have a registered adapter). */ model: string - /** Per-agent system prompt for ACP-created agents. */ - systemPrompt: string + /** Deployment persona (the system-prompt plugin's `persona` config). */ + persona?: string + /** Explicit model-facing tool order (the system-prompt plugin's `toolOrder` config; see dsh-system-prompt). */ + toolOrder?: string[] + /** Tool-registry config — its presentation `mode` (forwarded through agent-core; see dsh-tools). */ + tools?: ToolsConfig /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string + /** Skill registry, local-provider, and model-facing consumer config forwarded to agent-core. */ + skills?: agentCore.SkillConfig } export const Config: z<Config> = z.object({ model: z.string().required(), - systemPrompt: z.string().required(), + persona: z.string(), + // The array default is forced to undefined: ABSENT means "lexicographic + // order" (the owning dsh-system-prompt schema does the same), while + // schemastery's native [] default would read as an invalid configured list. + toolOrder: z.array(z.string()).default(undefined as unknown as string[]), + tools: ToolRegistry.Config, persistenceRoot: z.string().default('./.sessions'), + skills: agentCore.SkillConfigSchema, }) /** * Compose the spine with the ACP front door. The agent-core bundle pre-creates - * NO agents (its `agents` list defaults to `[]`); the JSONL backend persists - * under `persistenceRoot`; the ACP bridge owns stdout for JSON-RPC and creates - * one agent per `session/new` from `model`/`systemPrompt`. No logger, no `hmr` — - * stdout stays pure. + * NO agents (its `agents` list defaults to `[]`) and carries the deployment + * `persona`; the JSONL backend persists under `persistenceRoot`; the ACP + * bridge owns stdout for JSON-RPC and creates one agent per `session/new` + * from `model`. No logger, no `hmr` — stdout stays pure. */ export function apply(ctx: Context, config: Config): void { - ctx.plugin(agentCore) + ctx.plugin(agentCore, { + ...config.persona !== undefined ? { persona: config.persona } : {}, + ...config.toolOrder !== undefined ? { toolOrder: config.toolOrder } : {}, + ...config.tools !== undefined ? { tools: config.tools } : {}, + ...config.skills !== undefined ? { skills: config.skills } : {}, + }) + ctx.plugin(UserInteractionService) ctx.plugin(SessionPersistenceJsonl, { root: config.persistenceRoot ?? './.sessions' }) - ctx.plugin(acp, { model: config.model, systemPrompt: config.systemPrompt }) + ctx.plugin(acp, { model: config.model }) } diff --git a/packages/ui/acp-agent/tests/acp-agent.spec.ts b/packages/ui/acp-agent/tests/acp-agent.spec.ts index 7a02837fca..47cc399dfc 100644 --- a/packages/ui/acp-agent/tests/acp-agent.spec.ts +++ b/packages/ui/acp-agent/tests/acp-agent.spec.ts @@ -1,6 +1,11 @@ import { describe, expect, it } from 'vitest' +import { mkdtemp } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' +import { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt' +import type { Message } from '@deepseek-ai/dsh-llm' import * as acpAgent from '../src/index.ts' /** @@ -22,13 +27,53 @@ async function mount(config: acpAgent.Config): Promise<Context> { return ctx } +async function isolatedSkillsConfig(catalogDescriptionMaxLength?: number): Promise<NonNullable<acpAgent.Config['skills']>> { + const home = await mkdtemp(join(tmpdir(), 'dsh-acp-agent-skills-')) + return { + local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }, + ...catalogDescriptionMaxLength !== undefined ? { tool: { catalogDescriptionMaxLength } } : {}, + } +} + +async function composePrefix(ctx: Context): Promise<Message[]> { + const empty: Message[] = [] + return await ctx.waterfall( + 'agent/session-prefix', { session: { header: { cwd: '/tmp' } } } as never, + empty, new AbortController().signal, () => Promise.resolve(empty), + ) +} + +async function withIsolatedSkillHomes<T>(run: () => Promise<T>): Promise<T> { + const oldDshHome = process.env.DSH_HOME + const oldAgentsHome = process.env.DSH_AGENTS_HOME + const home = await mkdtemp(join(tmpdir(), 'dsh-acp-agent-default-skills-')) + process.env.DSH_HOME = join(home, '.dsh') + process.env.DSH_AGENTS_HOME = join(home, '.agents') + try { + return await run() + } finally { + if (oldDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = oldDshHome + } + if (oldAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = oldAgentsHome + } + } +} + describe('dsh-acp-agent composition', () => { it('brings up the spine + persistence + the ACP bridge', async () => { - const ctx = await mount({ model: 'mock', systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-acp-agent-test' }) + const ctx = await mount({ model: 'mock', persona: 'hi', persistenceRoot: '/tmp/dsh-acp-agent-test', skills: await isolatedSkillsConfig() }) expect(ctx.get('agents')).toBeDefined() expect(ctx.get('sessions')).toBeDefined() expect(ctx.get('sessionPersistence')).toBeDefined() expect(ctx.get('agentLoop')).toBeDefined() + expect(ctx.get('userInteraction')).toBeDefined() + expect(ctx.get('tools')?.get('ask_user_question')).toBeUndefined() // No pre-created agents — ACP session/new creates them on demand. expect(ctx.get('agents')!.list()).toHaveLength(0) await ctx.fiber.dispose() @@ -40,17 +85,57 @@ describe('dsh-acp-agent composition', () => { // `ctx.plugin`, which validates+defaults the config first) with no // persistenceRoot, so the runtime fallback is the one that fires. const ctx = new Context() - acpAgent.apply(ctx, { model: 'mock', systemPrompt: 'hi' }) + // No persona: covers the omitted-persona forwarding branch too. + acpAgent.apply(ctx, { model: 'mock', skills: await isolatedSkillsConfig() }) await new Promise(resolve => setTimeout(resolve, 50)) expect(ctx.get('sessionPersistence')).toBeDefined() await ctx.fiber.dispose() }) + it('uses default skill config when apply is called directly without skills', async () => { + await withIsolatedSkillHomes(async () => { + const ctx = new Context() + acpAgent.apply(ctx, { model: 'mock' }) + await new Promise(resolve => setTimeout(resolve, 50)) + expect(ctx.skills).toBeDefined() + expect(await ctx.skills.list()).toEqual([]) + await ctx.fiber.dispose() + }) + }) + + it('forwards skill config into agent-core', async () => { + const ctx = await mount({ model: 'mock', persona: 'hi', skills: await isolatedSkillsConfig(6) }) + ctx.skills.register({ name: 'acp-skill', description: 'ACP skill', source: 'runtime', content: 'body' }) + expect(JSON.stringify(await composePrefix(ctx))).toContain('- `acp-skill`: ACP...') + await ctx.fiber.dispose() + }) + it('exposes its plugin shape', () => { expect(acpAgent.name).toBe('acp-agent') expect(acpAgent.Config).toBeDefined() }) + it('forwards toolOrder through agent-core to the system-prompt assembly', async () => { + const ctx = await mount({ + model: 'mock', + toolOrder: ['zulu', TOOL_ORDER_REST], + persistenceRoot: '/tmp/dsh-acp-agent-test-tool-order', + }) + // The bundle's own bash tools pend on the absent `ctx.bash` executor in + // this providerless mount, so register two plain tools to order. + for (const name of ['alpha', 'zulu']) { + ctx.get('tools')!.register({ + name, + description: name, + parameters: {}, + execute: async () => [], + }) + } + const assembly = await ctx.get('systemPrompt')!.assemble() + expect(assembly.tools.map(tool => tool.name)).toEqual(['zulu', 'alpha', 'skill']) + await ctx.fiber.dispose() + }) + it('has the namespace-plugin export shape (no stray default) so the Loader keeps name/Config/apply', () => { // Postmortem 0001 guard: a stray `export default apply` makes the Loader's // `unwrapExports` (`exports.default ?? exports`) collapse the module to the diff --git a/packages/ui/acp-agent/tests/built-bin.e2e.ts b/packages/ui/acp-agent/tests/built-bin.e2e.ts index 51c5d53c0b..de4612a40a 100644 --- a/packages/ui/acp-agent/tests/built-bin.e2e.ts +++ b/packages/ui/acp-agent/tests/built-bin.e2e.ts @@ -40,7 +40,7 @@ const acpBin = join(repoRoot, 'packages/ui/acp-agent/lib/bin.js') const dshPackages = [ 'core/agent-core', 'core/agent', 'core/session', 'core/system-prompt', 'core/tools', 'core/agent-loop', 'llm/llm', 'llm/llm-deepseek', 'bash/bash', - 'bash/bash-local', 'bash/tool-bash', 'support/invariants', + 'bash/bash-local', 'bash/tool-bash', 'support/invariants', 'ui/app-boot', 'session-persistence/session-persistence', 'session-persistence/session-persistence-jsonl', 'ui/acp', 'ui/acp-agent', ] @@ -99,7 +99,7 @@ async function makeConsumer(): Promise<string> { ' name: \'@deepseek-ai/dsh-acp-agent\'', ' config:', ' model: deepseek-v4-flash', - ' systemPrompt: \'test agent\'', + ' persona: \'test agent\'', '', ].join('\n')) return dir @@ -120,7 +120,12 @@ describe.skipIf(!existsSync(acpBin))('dsh-acp-agent BUILT bin (node lib/bin.js, child = spawn(process.execPath, ['--expose-internals', acpBin, './cordis.yml'], { cwd: consumer, // Dummy key: initialize never reaches the model, so it is never used. - env: { ...process.env, DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot' }, + env: { + ...process.env, + DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', + DSH_HOME: join(consumer, '.dsh'), + DSH_AGENTS_HOME: join(consumer, '.agents'), + }, stdio: ['pipe', 'pipe', 'pipe'], }) const stderr: string[] = [] @@ -180,7 +185,12 @@ function runBinExpectingExit(configArg: string, cwd: string = tmpdir()): Promise return new Promise((resolve, reject) => { const proc = spawn(process.execPath, ['--expose-internals', acpBin, configArg], { cwd, - env: { ...process.env, DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot' }, + env: { + ...process.env, + DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'sk-dummy-for-boot', + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), + }, stdio: ['pipe', 'pipe', 'pipe'], }) child = proc diff --git a/packages/ui/acp-agent/tests/load-path.e2e.ts b/packages/ui/acp-agent/tests/load-path.e2e.ts index fd559d99bf..ec251a6e6b 100644 --- a/packages/ui/acp-agent/tests/load-path.e2e.ts +++ b/packages/ui/acp-agent/tests/load-path.e2e.ts @@ -54,7 +54,7 @@ const CORDIS_YML = ` name: '@deepseek-ai/dsh-acp-agent' config: model: deepseek-v4-flash - systemPrompt: 'You are a test agent.' + persona: 'You are a test agent.' ` interface Spawned { @@ -90,6 +90,8 @@ async function boot(): Promise<Spawned & { cwd: string }> { TSX_TSCONFIG_PATH: repoTsconfig, // Key-present check only; no prompt is sent, so the model is never called. DEEPSEEK_API_KEY: process.env.DEEPSEEK_API_KEY ?? 'keyless-acp-agent-smoke', + DSH_HOME: join(cwd, '.dsh'), + DSH_AGENTS_HOME: join(cwd, '.agents'), }, stdio: ['pipe', 'pipe', 'pipe'], }, diff --git a/packages/ui/acp-agent/tsconfig.json b/packages/ui/acp-agent/tsconfig.json index ffea8ec6f6..13009a2e5c 100644 --- a/packages/ui/acp-agent/tsconfig.json +++ b/packages/ui/acp-agent/tsconfig.json @@ -17,12 +17,21 @@ { "path": "../../../vendor/loader" }, + { + "path": "../app-boot" + }, { "path": "../acp" }, { "path": "../../core/agent-core" }, + { + "path": "../user-interaction" + }, + { + "path": "../tool-ask-user" + }, { "path": "../../session-persistence/session-persistence-jsonl" } diff --git a/packages/ui/acp/README.md b/packages/ui/acp/README.md index a311164c6b..2f1f35adc4 100644 --- a/packages/ui/acp/README.md +++ b/packages/ui/acp/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-acp -The **Agent Client Protocol (ACP)** bridge: exposes the DeepSeek Harness coding agent as an ACP server over JSON-RPC stdio, so editors (Zed and other ACP clients) can drive it — streaming render, tool-call display, and resumable sessions. Zed is the current target client: baseline ACP behavior should remain reasonable for other clients, but bridge capabilities and compatibility decisions are evaluated against Zed first. **N concurrent sessions per connection** (see [ACP multi-session](../../../docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md)): each maps to its own `ReactLoopAgent`, and every event is demuxed strictly by session id so two sessions streaming at once never interleave. +The **Agent Client Protocol (ACP)** bridge: exposes DeepSeek Harness SDK agents as an ACP server over JSON-RPC stdio, so editors (Zed and other ACP clients) can drive them — streaming render, tool-call display, and resumable sessions. Zed is the current target client: baseline ACP behavior should remain reasonable for other clients, but bridge capabilities and compatibility decisions are evaluated against Zed first. **N concurrent sessions per connection** (see [ACP multi-session](../../../docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md)): each maps to its own `ReactLoopAgent`, and every event is demuxed strictly by session id so two sessions streaming at once never interleave. It is a **client-driver / UI plugin**, the structured analogue of the readline `stdio-chat` plugin — NOT a loop change and NOT a [capability seam](../../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md). It consumes the existing `agent/*` event taxonomy, the `dsh-agent` create/resume factory, and `dsh-session-persistence`. @@ -8,16 +8,17 @@ It is a **client-driver / UI plugin**, the structured analogue of the readline ` `apply(ctx, config)` — wires an `AgentSideConnection` (from `@agentclientprotocol/sdk`) to `process.stdin`/`process.stdout` and implements the ACP `Agent` method surface. -`inject: ['agents', 'sessions', 'sessionPersistence', 'tools']` — programs against the interface packages only (never `dsh-agent-loop`). `sessionPersistence` is required because `initialize` advertises `loadSession: true`; `tools` lets a tool own how its calls render (`presentCall`/`presentResult`) — the bridge looks the definition up by name and falls back to a generic presentation when a tool declares none (see Tool-call presentation). +`inject: ['agents', 'sessions', 'sessionPersistence', 'tools', 'userInteraction']` — programs against the interface packages only (never `dsh-agent-loop`). `sessionPersistence` is required because `initialize` advertises `loadSession: true`; `tools` lets a tool own how its calls render (`presentCall`/`presentResult`) — the bridge looks the definition up by name and falls back to a generic presentation when a tool declares none (see Tool-call presentation). `userInteraction` lets agent-owned `ask_user_question` calls become ACP form elicitations routed to the owning session. ### Config | Key | Default | Meaning | |---|---|---| | `model` | — | Model name for created agents (must have a registered adapter). | -| `systemPrompt` | — | Per-agent system prompt. | -| `agentName` | `deepseek-harness-acp` | Server name reported in `initialize`. | -| `agentVersion` | `0.0.1` | Server version reported in `initialize`. | + +(No persona key: the deployment persona is `dsh-system-prompt`'s own `persona` config — a context-wide section, so ACP-created agents render it without the bridge carrying prompt text.) + +The `initialize` handshake reports a fixed server identity (`agentInfo: { name: 'deepseek-harness-acp', version: '0.0.1' }`) — branding is a literal at the `initialize` site, not config. ## ACP method mapping @@ -29,10 +30,17 @@ It is a **client-driver / UI plugin**, the structured analogue of the readline ` | `session/prompt` | `agent.send()` | supports ACP `text` and `resource_link` blocks; rejects image/audio/embedded resource and empty prompts; one in-flight prompt PER session (independent); settles on the OWNING turn's end (a turn that ends in `error` rejects the RPC) | | `session/cancel` | `agent.cancel()` | the queue-aware cancel: aborts a running step, clears queued + steering work, and drops a turn about to start, then settles the prompt `cancelled` — for ONLY that session (a cancel never touches another session's stream or prompt) | | `session/update` | `session/event` | `agent_message_chunk` (text-delta), `agent_thought_chunk` (reasoning-delta), `user_message_chunk` (load replay), `tool_call`/`tool_call_update` (the render intent — a `card`-tagged `ToolCallView`/`ToolResultView` — owned by the TOOL via `presentCall`/`presentResult`, which the bridge switches on to build the wire shape — see Tool-call presentation) | +| `elicitation/create` | `ctx.userInteraction.ask()` | maps `ask_user_question` questions to ACP form elicitations; option descriptions are shown in enum titles, `multi_select` uses ACP array enums, optionless requests use a required `custom` field, and a non-empty custom answer overrides any selected choice | +| `session/request_permission` | `approval/request` listener | the bridge is the [`ctx.approval`](../user-approval/README.md) answerer for the agents it owns: an `ask` (a hook or `tools/pre-execute` plugin) becomes an editor prompt attached to the streamed tool call, offering one-shot `allow_once`/`reject_once` options only; a foreign or call-less request delegates down the answerer chain (fail-closed `unavailable` default). See "Permission prompts" | +| `session/set_config_option` | `setSandboxMode` / `setApprovalPolicy` | per-session knob switching over [session config options](https://agentclientprotocol.com/protocol/session-config-options) — see "Session config options" | ## Multi-session -The bridge multiplexes N sessions over one connection. Live sessions are held in a `Map<sessionId, SessionRecord>` (forward) with a `WeakMap<Agent, sessionId>` reverse map so `agent/*` events — which carry only the `Agent` — demux in O(1). Every `session/event` and `agent/status` is routed strictly to its owning record, so concurrent sessions never cross-settle or interleave their `session/update` notifications. State is per session: one in-flight prompt each, `session/cancel` aborts and settles only its own agent/prompt, and disposal drains every live session in parallel to quiescence. (Per-session *permission* ownership is reserved for the deferred permission gate — `TODO(rfc010-permission-gate)`.) +The bridge multiplexes N sessions over one connection. Live sessions are held in a `Map<sessionId, SessionRecord>` (forward) with a `WeakMap<Agent, sessionId>` reverse map so `agent/*` events — which carry only the `Agent` — demux in O(1). Every `session/event` and `agent/status` is routed strictly to its owning record, so concurrent sessions never cross-settle or interleave their `session/update` notifications. State is per session: one in-flight prompt each, `session/cancel` aborts and settles only its own agent/prompt, and disposal drains every live session in parallel to quiescence. Permission prompts follow the same ownership: the `approval/request` answerer resolves the owning session through the reverse map and prompts only there. + +## Session config options + +The bridge advertises one independent `select` per composable knob in the `session/new`/`session/load` responses — `sandbox-mode` (`read-only`/`workspace-write`/`danger-full-access`, category `mode`) iff the mounted executor confines (`ctx.get('bash')?.sandboxMode` defined), `approval-policy` (`ask`/`never`) iff the approval seam is composed — with each session's `currentValue` folded from its OWN log (`effectiveSandboxMode`/`effectiveApprovalPolicy` ?? the composition default), so `session/load` reports a resumed session's overrides with no catch-up machinery. `session/set_config_option` validates the value against the same closed vocabulary, routes to the domain's write path (`setSandboxMode`/`setApprovalPolicy` — ONE log-only event on that session's log), and returns the complete refreshed state per the spec. Anchoring honors turn-enclosure: a switch while a turn is open appends immediately (openness read from the LOG — `agent.status` stays `running` between queued turns); an idle switch is held on the session record and anchored at the next turn's `agent/prompt-submit` (inside the turn, before anything assembles, last write per knob — an idle flip-flop anchors as one event), because appending from inside a `session/event` listener would reorder events for later-registered peers. Until anchored the switch lives in bridge memory only: responses overlay it truthfully, and a crash before the next turn reverts it — `session/load` then reports the fold's truth. Design: [the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md); protocol matrix: [acp-feature-support.md](acp-feature-support.md) § 6. Background-task isolation rides on `dsh-tool-bash`: bash task ids are global and predictable, so each task carries an opaque owner token — the owning agent's `session.header.id` — stored on the task inside the executor (`dsh-bash`'s `ownerOf(id)` seam). `bash_output`/`bash_kill` reject a task whose token differs from the caller's session token, so one session's agent can't read or kill another's task. Ownership is by session TOKEN, not `Agent` object identity — a different `Agent` object on the same session may access the task — and because the token lives on the executor's task it survives a `tool-bash` HMR reload. @@ -48,7 +56,7 @@ How a tool call renders in the editor is owned by the TOOL, not the bridge — t - `{ card: 'terminal', title, description?, cwd? }` — a shell command → a terminal card (see Terminal card). - `{ card: 'diff', title, diffs, locations? }` — a file create/modify → an inline diff card; `diffs` is `FileDiff[]` (`{ path, oldText, newText }`, `oldText: null` ⇒ new file). The bridge emits each diff as an ACP `{ type: 'diff', path, oldText, newText }` `tool_call.content` block, which Zed renders as an inline diff / new-file preview. -`presentResult` returns a `ToolResultView`, one of three cards: `{ card: 'generic', title?, content? }` (an optional replacement `title` and reformatted `content`), `{ card: 'terminal', title?, output?, exitCode?, signal? }` (the captured run output + exit — see Terminal card), or `{ card: 'diff', title?, diffs }` (a completed file mutation → typically the applied hunks with context lines computed from the before/after content, or a whole-file diff for a create; a successful mutation ALWAYS returns this so the model-facing result text can't clobber the diff — an ACP `tool_call_update.content` replaces the call's content). The bridge looks the definition up by name in `ctx.tools` and `switch (view.card)`es to build the ACP `tool_call`/`tool_call_update` wire shape per card; a tool that declares neither gets a generic fallback (title = tool name, raw parsed args as `rawInput`, kind inferred from the name). For example `dsh-tool-bash` returns a `terminal` card for a foreground `bash` (title = the exact `command` "ls -la src", `description` = the model description); the `dsh-tool-fs` `write`/`edit` tools return a `diff` call card and a `diff` result card, and `read` returns a `generic` card (`kind: 'read'`, the read window in its title — `Read foo.txt (5 - 8)` — and a `locations` entry for the file). For a file card the bridge **relativizes the title** against the session cwd (mirroring `claude-agent-acp`'s `toDisplayPath` — `Read src/foo.ts`, not the absolute path) while keeping `locations[]`/`diffs[].path` **raw** so the editor opens the real path. +`presentResult` returns a `ToolResultView`, one of three cards: `{ card: 'generic', title?, content? }` (an optional replacement `title` and reformatted `content`), `{ card: 'terminal', title?, output?, exitCode?, signal? }` (the captured run output + exit — see Terminal card), or `{ card: 'diff', title?, diffs }` (a completed file mutation → typically the applied hunks with context lines computed from the before/after content, or a whole-file diff for a create; a successful mutation ALWAYS returns this so the model-facing result text can't clobber the diff — an ACP `tool_call_update.content` replaces the call's content). The bridge looks the definition up by name in `ctx.tools` and `switch (view.card)`es to build the ACP `tool_call`/`tool_call_update` wire shape per card; a tool that declares neither gets a generic fallback (title = tool name, raw parsed args as `rawInput`, kind `other` — the bridge never sniffs a kind from the tool name). For example `dsh-tool-bash` returns a `terminal` card for a foreground `bash` (title = the exact `command` "ls -la src", `description` = the model description); the `dsh-tool-fs` `write`/`edit` tools return a `diff` call card and a `diff` result card, and `read` returns a `generic` card (`kind: 'read'`, the read window in its title — `Read foo.txt (5 - 8)` — and a `locations` entry for the file). For a file card the bridge **relativizes the title** against the session cwd (mirroring `claude-agent-acp`'s `toDisplayPath` — `Read src/foo.ts`, not the absolute path) while keeping `locations[]`/`diffs[].path` **raw** so the editor opens the real path. The `tool/result` session event does not carry the tool name or args — so to call a tool's `presentResult` the bridge keeps a small per-session map from `callId` to the in-flight call's `(name, args)`, populated on `tool/call` and removed as each result is presented (it holds only currently-in-flight calls, never finished ones). This is bridge-local state — NOT a change to the event schema or a core service. The map lives on the `SessionRecord`, so two concurrent sessions never cross their in-flight tool state; a `session/load` replay uses a throwaway presenter that pairs each `tool/call` with its `tool/result` as the log replays in order, so replayed tool cards render identically to live ones. @@ -65,18 +73,21 @@ When the client does NOT advertise the capability, none of the `_meta`/terminal A `session/prompt` resolves (or rejects) exactly once, keyed off the canonical session log (the `session/event` stream). One listener captures the prompt's owning turn from the log's `turn/start` and settles on the matching `turn/end` — the durable boundary event (`closeTurn` appends it unconditionally; there is no `agent/*` turn mirror). A prompt settles only on ITS OWN turn (`inflight.turn === turn/end.turn`), so a stale `turn/end` for a previously-cancelled turn whose end arrives late can never settle the wrong prompt. A turn that ends `error` REJECTS the RPC with an internal error carrying the failure message (ACP has no error stop reason); every other reason resolves via the codec. As a fallback, when the agent settles to `idle`/`disposed` with a prompt still pending — e.g. a peer `session/event` listener registered before the bridge threw and starved the bridge's listener — an `agent/status` handler reconciles the prompt from the log (the owning turn's `turn/end`, or `cancelled` if the turn was torn down without one). An empty/whitespace prompt is rejected up front — it would queue no work, so no turn would start and the RPC would hang. +## Permission prompts + +The bridge registers an `approval/request` waterfall listener — the ACP answerer of the [user-approval seam](../user-approval/README.md). When `ctx.approval` routes an `ask` for an agent the bridge owns, the listener resolves the owning session through the reverse map and issues `session/request_permission` with the request's `callId` as the `toolCall` reference (the editor attaches the prompt to the already-streamed call) and the one-shot options `allow_once`/`reject_once` (`allow_always` is deferred to the approval RFC's grant-storage question). Outcomes map `allow-once → allowed-once`, any other selection → `rejected` (an unknown optionId from a non-conforming client never grants), client `cancelled → cancelled`. A request for an agent the bridge does NOT own — or one without a `callId` to attach to — delegates via `next()` so another answerer or the seam's fail-closed `unavailable` default takes it. A rejected `requestPermission` RPC (client gone mid-prompt) propagates to the ApprovalService, which contains it as `unavailable`. Whether a call asks at all is policy — a hook or `tools/pre-execute` plugin returning `ask` — never the bridge's own judgment; without such policy, tools keep the executor's full authority. + ## Disposal & disconnect Teardown reaches quiescence: for EVERY live session settle any pending prompt as `cancelled`, then run that session's [`AgentHandle`](../../core/agent/README.md) `dispose()` — which stops the loop (sets `disposed` + aborts the in-flight step), `await`s the loop's exit (the final `turn/end` + `session/flush` are captured while the session is still attached), unregisters the agent, and removes its session from the store. A turn cut off mid-flight by teardown ends with reason `disposed` (not `aborted` — `dispose()` uses the disposed path, not `session/cancel`'s queue-aware `cancel()`). The per-session disposes run in parallel. The same teardown runs on a **client disconnect** (`conn.closed` resolves when the editor quits / the transport EOFs), so a vanished client never leaves an orphaned running — or idled-but-still-registered — agent whose `session/update` writes are silently swallowed. The two paths are idempotent and memoized (the first clears the `sessions` map; a second caller awaits the same teardown promise). ## Known limitations (tracked TODOs) -- **`TODO(rfc010-permission-gate)`** — the `tools/pre-execute` permission gate (`session/request_permission`) is NOT implemented; tools run with the executor's full authority. The `agent→sessionId` reverse map is in place so the gate can route a permission request (which receives only `exec.agent`) back to its originating session. [ACP support](../../../docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md) and [ACP multi-session](../../../docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md) stay `proposed` until the gate (and per-session permission ownership) land. - **`additionalDirectories`** — rejected. A session operates in its single `cwd` (see Per-session cwd); widening the tool/filesystem scope to extra roots is a separate sandbox concern, not yet implemented. ## stdout is the protocol -The JSON-RPC frames go on stdout, so this plugin MUST run in an example that loads **no stdout logger** (the console logger writes to stdout and would corrupt the frames). The guarantee is config-only — see `examples/acp-agent` (no console logger) and [ACP support risks](../../../docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md#risks). A stderr exporter is fine for logging. +The JSON-RPC frames go on stdout, so this plugin MUST run in an example that loads **no stdout logger** (the console logger writes to stdout and would corrupt the frames). The guarantee is config-only — see `examples/acp-agent` (no console logger) and [ACP support risks](../../../docs/rfc/implemented/feature/2026-06-14-acp-agent-client-protocol.md#risks). A stderr exporter is fine for logging. ## Running diff --git a/packages/ui/acp/acp-feature-support.md b/packages/ui/acp/acp-feature-support.md index 4a051bf5aa..be14fe6237 100644 --- a/packages/ui/acp/acp-feature-support.md +++ b/packages/ui/acp/acp-feature-support.md @@ -10,7 +10,7 @@ Legend: ✅ supported · ⚠️ partial / fallback · ❌ not yet · — n/a. Th ## At a glance -The bridge implements the **core prompt-turn loop** for N concurrent sessions: initialize, session new/load, prompt, cancel, streamed assistant/thought chunks, tool-call rendering (including Zed terminal cards), and resumable session replay. The largest **unbuilt** areas are the **permission gate** (`session/request_permission`), **MCP passthrough**, **session modes / config options / model selection**, **slash commands**, and **agent plans** — all of which both reference adapters ship — plus the client **filesystem** and **terminal** method families (which the adapters mostly do NOT drive either — see rows 43-49). See [Gap summary](#gap-summary). +The bridge implements the **core prompt-turn loop** for N concurrent sessions: initialize, session new/load, prompt, cancel, streamed assistant/thought chunks, tool-call rendering (including Zed terminal cards), resumable session replay, one-shot permission prompts, and per-session sandbox/approval config options. The largest **unbuilt** areas are **MCP passthrough**, runtime model selection, **slash commands**, and **agent plans**, plus the client **filesystem** and **terminal** method families (which the adapters mostly do NOT drive either — see rows 43-49). See [Gap summary](#gap-summary). ## 1. Agent methods (client → agent) @@ -25,8 +25,8 @@ The bridge implements the **core prompt-turn loop** for N concurrent sessions: i | `session/close` | S | ❌ | ✅ | ✅ | No `session/close` handler — the SDK dispatch returns `method_not_found`. The bridge tears sessions down on client disconnect / Cordis disposal (cross-cutting, see [§8](#8-cross-cutting)), but that is not the on-demand per-session method. | | `session/prompt` | S | ✅ | ✅ | ✅ | Maps to `agent.send`; one in-flight prompt per session; settles on the owning turn's end. | | `session/cancel` | S | ✅ | ✅ | ✅ | Queue-aware `agent.cancel`; settles the in-flight prompt `cancelled`, scoped to the one session. | -| `session/set_mode` | S | ❌ | ✅ | ✅ | Session modes not modeled (see [§6 Modes](#6-session-modes--config-options--models)). | -| `session/set_config_option` | S | ❌ | ✅ | ✅ | Config options not modeled. | +| `session/set_mode` | S | ❌ | ✅ | ✅ | Session modes deliberately skipped: config options are the spec's replacement (modes are slated for removal in ACP v2), and one mode list cannot carry the two orthogonal knobs (see [§6](#6-session-modes--config-options--models)). | +| `session/set_config_option` | S | ✅ | ✅ | ✅ | Two capability-gated selects — `sandbox-mode` (confining executor mounted) and `approval-policy` (approval seam composed); values validated against the domain vocabularies, one log-only event per switch on the session's own log, complete refreshed state in the response ([sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). | | model selection | S | ❌ | ✅ | ✅ | No distinct stable `session/set_model` — model is the `model`-category `session/set_config_option`. The bridge fixes the model per-bridge via config; no runtime switch. Codex still uses the legacy `unstable_setSessionModel` ext method. | | `session/list` | S | ❌ | ✅ | ✅ | Gated by `sessionCapabilities.list`. The harness HAS `sessionPersistence.list()` (used internally for load-cwd validation) but does not expose it over ACP. | | `session/delete` | S | ❌ | ✅ | ✅ | Gated by `sessionCapabilities.delete`. | @@ -39,7 +39,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | Method | Stable | Bridge | Claude | Codex | Notes | |---|---|---|---|---|---| | `session/update` | S | ✅ | ✅ | ✅ | The bridge's primary output channel (see [§4](#4-sessionupdate-variants)). | -| `session/request_permission` | S | ❌ | ✅ | ✅ | **The biggest gap.** Tools run with the executor's full authority; no user authorization round-trip. The `agent→sessionId` reverse map is already in place to route a future permission request. Tracked `TODO(rfc010-permission-gate)`. | +| `session/request_permission` | S | ✅ | ✅ | ✅ | The bridge answers the [`ctx.approval`](../user-approval/README.md) seam for the agents it owns: an `ask` from a hook/plugin becomes an editor prompt attached to the streamed tool call, one-shot `allow_once`/`reject_once` options only. Whether a call asks is policy (nothing asks by default); `allow_always` is deferred (grant storage). | | `fs/read_text_file` | S | ❌ | ✅ | ❌ | The harness reads files directly (it does not see the editor's unsaved buffer state). Claude delegates; Codex does not. | | `fs/write_text_file` | S | ❌ | ✅ | ❌ | Same — direct writes, no editor delegation. | | `terminal/create` | S | ❌ | ❌ | ❌ | Neither reference adapter drives the client terminal API either — both, like the bridge, render shell output as tool-call content + a `_meta` channel (see [§5 Terminal](#terminal-rendering)). | @@ -47,7 +47,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | `terminal/wait_for_exit` | S | ❌ | ❌ | ❌ | As above. | | `terminal/kill` | S | ❌ | ❌ | ❌ | As above. | | `terminal/release` | S | ❌ | ❌ | ❌ | As above. | -| `elicitation/create` · `elicitation/complete` | U | ❌ | ✅ | ⚠️ | Structured user-input forms. Claude calls the `unstable_*` elicitation methods (to surface MCP server elicitations); Codex does NOT — its `CodexElicitationHandler` maps elicitations onto `session/request_permission` instead. | +| `elicitation/create` · `elicitation/complete` | U | ⚠️ | ✅ | ⚠️ | The bridge drives `unstable_createElicitation` for `ask_user_question` form prompts (session-scoped, no URL-mode flow yet). Claude calls the `unstable_*` elicitation methods for MCP server elicitations; Codex maps elicitations onto `session/request_permission`. | ## 3. Capabilities @@ -63,7 +63,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | `sessionCapabilities.*` | S | ❌ | ✅ | ✅ | None advertised (list/delete/resume/close/additionalDirectories/fork all off). | | `auth.logout` | S | ❌ | ✅ | ✅ | Not advertised. | | `authMethods[]` | S | ⚠️ | ✅ | ✅ | Advertised as empty (no auth required to reach the model). | -| `agentInfo` (name/version) | S | ✅ | ✅ | ✅ | From `agentName` / `agentVersion` config. | +| `agentInfo` (name/version) | S | ✅ | ✅ | ✅ | Fixed literals: `deepseek-harness-acp` / `0.0.1` (not config). | | `_meta` custom caps | S | ❌ | ✅ | — | E.g. Claude's `claudeCode.promptQueueing`. The bridge advertises no custom `_meta`. | ### 3b. `clientCapabilities` (consumed by the bridge) @@ -86,7 +86,7 @@ These are capabilities the bridge would *drive* on the editor. The harness runs | `plan` | S | ❌ | ✅ | ✅ | No agent plan emitted. Both adapters emit real plan entries (Codex's `CodexEventHandler.updatePlan` maps `turn/plan/updated` → `{ sessionUpdate: 'plan', entries }`). | | `available_commands_update` | S | ❌ | ✅ | ✅ | No slash commands advertised. | | `current_mode_update` | S | ❌ | ✅ | ✅ | No session modes. | -| `config_option_update` | S | ❌ | ✅ | ✅ | No config options. | +| `config_option_update` | S | ❌ | ✅ | ✅ | Config options exist (advertised in `session/new`/`session/load`, switched via `session/set_config_option`), but the bridge never pushes agent-initiated changes — an operator default drift is narrated to the MODEL, not echoed to the editor. Future work in the [sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md). | | `usage_update` | S | ❌ | ✅ | ✅ | Token/cost reporting not surfaced (the harness records token usage internally on `assistant/message`). | | `session_info_update` | S | ❌ | ⚠️ | ⚠️ | Session title/metadata not pushed. | @@ -96,7 +96,7 @@ Tool-call presentation is **owned by each tool** (`presentCall` / `presentResult | Feature | Stable | Bridge | Claude | Codex | Notes | |---|---|---|---|---|---| -| `ToolCallKind` mapping | S | ✅ | ✅ | ✅ | `execute`/`read`/`edit`/`other` inferred from the tool; richer mapping possible. | +| `ToolCallKind` mapping | S | ✅ | ✅ | ✅ | `execute`/`read`/`edit` declared by each tool's `presentCall`; presenter-less tools render `other` (no name sniffing); richer mapping possible. | | `ToolCallStatus` | S | ✅ | ✅ | ✅ | `in_progress` → `completed`/`failed`. | | `content` blocks | S | ✅ | ✅ | ✅ | Text content; the description renders above the card. | | `diff` content | S | ✅ | ✅ | ✅ | The `write`/`edit` tools declare a `diff` render intent: `presentCall` → a call-time `{ card: 'diff' }` snippet, and `presentResult` → a result-time `{ card: 'diff' }`. For an edit or an overwrite it carries the applied hunk(s) with surrounding context (one per `replace_all` site), computed from the before/after text and persisted on the `tool/result` event as `meta`; for a create (no before-image) it is an args-derived whole-file diff. The bridge emits `{ type: 'diff', path, oldText, newText }` content blocks; a successful mutation ALWAYS returns the result diff (an ACP `tool_call_update.content` replaces the call's content, so the result diff — not the model-facing text — is what survives). | @@ -111,7 +111,7 @@ Tool-call presentation is **owned by each tool** (`presentCall` / `presentResult ## 6. Session modes / config options / models -❌ None modeled. Both reference adapters ship modes (Claude: a "plan" auto-mode; Codex: read-only / agent / agent-full-access mapping to its approval+sandbox policy), the newer config-option surface, and runtime model selection. The harness fixes the model per-bridge via `AcpConfig.model`. These are coupled to the unbuilt **permission gate** (a mode often selects an approval policy), so they are natural follow-ups to it. +Config options ✅ (the [sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): the bridge advertises one independent `select` per composable knob — `sandbox-mode` iff the mounted executor confines, `approval-policy` iff the approval seam is composed — with per-session current values folded from each session's own log, and honors `session/set_config_option` end to end (idle switches anchor at the next turn under the turn-enclosure contract). Session MODES stay deliberately unmodeled: config options are the spec's replacement (modes are slated for removal in ACP v2), and one mode list cannot carry two orthogonal knobs. Runtime model selection is still not modeled — the harness fixes the model per-bridge via `AcpConfig.model` (both reference adapters ship a model selector). ## 7. Content blocks @@ -130,7 +130,7 @@ The bridge rejects unsupported prompt blocks rather than silently dropping them | Feature | Stable | Bridge | Notes | |---|---|---|---| | `StopReason` mapping | S | ✅ | `turnEndToStopReason` is total over harness turn-end reasons → `end_turn`/`max_tokens`/`cancelled`. | -| Multi-session (N per connection) | S | ✅ | Strict per-session demux; concurrent streams never interleave. See the [multi-session RFC](../../../docs/rfc/proposed/feature/2026-06-14-acp-multi-session.md). | +| Multi-session (N per connection) | S | ✅ | Strict per-session demux; concurrent streams never interleave. See the [multi-session RFC](../../../docs/rfc/implemented/feature/2026-06-14-acp-multi-session.md). | | Disconnect / disposal teardown | S | ✅ | Quiesces every live session on client disconnect or Cordis disposal. | | `_meta` extensibility | S | ⚠️ | Consumed (Zed terminal cap) and emitted (terminal `_meta`); no other custom extensions. | | Background-task ownership isolation | — | ✅ | `bash_output`/`bash_kill` reject another session's task via an opaque owner token. | @@ -140,15 +140,14 @@ The bridge rejects unsupported prompt blocks rather than silently dropping them Ranked by how commonly the reference adapters ship them and how much UX they unlock: -1. **Permission gate** — `session/request_permission` + permission options. Tracked `TODO(rfc010-permission-gate)`; the reverse map is already wired. Foundational, and a prerequisite for modes. -2. **Session lifecycle** — `session/list` + `session/delete` (the persistence layer already lists), then `session/resume` / `session/close`. -3. **Modes / config options / model selection** — coupled to the permission gate. -4. **Agent plan** (`sessionUpdate: 'plan'`) — surface the loop's plan as structured entries. -5. **Slash commands** (`available_commands_update`). -6. **MCP passthrough** (`mcpServers` on `session/new` + `mcpCapabilities`). -7. **Richer prompt content** — image / embedded `resource` blocks (needs a multimodal model path). -9. **Usage reporting** (`usage_update`) — the harness already records token usage internally (on `assistant/message`). -10. **Editor filesystem delegation** (`fs/read_text_file` / `fs/write_text_file`) — lets the agent see unsaved buffers; lower priority since the harness has direct disk access. +1. **Session lifecycle** — `session/list` + `session/delete` (the persistence layer already lists), then `session/resume` / `session/close`. +2. **Model selection** — sandbox and approval config options are implemented; selecting the bridge's model at runtime remains open. +3. **Agent plan** (`sessionUpdate: 'plan'`) — surface the loop's plan as structured entries. +4. **Slash commands** (`available_commands_update`). +5. **MCP passthrough** (`mcpServers` on `session/new` + `mcpCapabilities`). +6. **Richer prompt content** — image / embedded `resource` blocks (needs a multimodal model path). +7. **Usage reporting** (`usage_update`) — the harness already records token usage internally (on `assistant/message`). +8. **Editor filesystem delegation** (`fs/read_text_file` / `fs/write_text_file`) — lets the agent see unsaved buffers; lower priority since the harness has direct disk access. ## Out of scope diff --git a/packages/ui/acp/package.json b/packages/ui/acp/package.json index b4c27f25e2..a916722c52 100644 --- a/packages/ui/acp/package.json +++ b/packages/ui/acp/package.json @@ -1,6 +1,6 @@ { "name": "@deepseek-ai/dsh-acp", - "description": "Agent Client Protocol (ACP) bridge: drive the DeepSeek Harness coding agent from an ACP editor over JSON-RPC stdio", + "description": "Agent Client Protocol (ACP) bridge: drive DeepSeek Harness SDK agents from an ACP editor over JSON-RPC stdio", "version": "0.0.1", "private": true, "type": "module", @@ -28,19 +28,27 @@ }, "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-user-approval": "^0.0.1", + "@deepseek-ai/dsh-bash": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-sandbox": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", "@deepseek-ai/dsh-session-persistence": "^0.0.1", "@deepseek-ai/dsh-tools": "^0.0.1", + "@deepseek-ai/dsh-user-interaction": "^0.0.1", "cordis": "^4.0.0-rc.6" }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", "@deepseek-ai/dsh-agent-loop": "workspace:^", + "@deepseek-ai/dsh-user-approval": "workspace:^", + "@deepseek-ai/dsh-bash": "workspace:^", "@deepseek-ai/dsh-bash-local": "workspace:^", "@deepseek-ai/dsh-fs-local": "workspace:^", "@deepseek-ai/dsh-fs-policy": "workspace:^", + "@deepseek-ai/dsh-invariants": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-sandbox": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-session-persistence": "workspace:^", "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^", @@ -49,6 +57,8 @@ "@deepseek-ai/dsh-tool-fs": "workspace:^", "@deepseek-ai/dsh-tool-todo": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", + "@deepseek-ai/dsh-tool-ask-user": "workspace:^", + "@deepseek-ai/dsh-user-interaction": "workspace:^", "cordis": "^4.0.0-rc.6" } } diff --git a/packages/ui/acp/snapshot-replay.md b/packages/ui/acp/snapshot-replay.md new file mode 100644 index 0000000000..4242f2406d --- /dev/null +++ b/packages/ui/acp/snapshot-replay.md @@ -0,0 +1,27 @@ +<!-- Generated by scripts/gen-doc-graphs.ts - do not edit by hand. + Run `pnpm run gen-doc-graphs` to regenerate. --> + +# ACP Snapshot Replay + +This graph explains what a snapshot scenario proves: recorded real-model session logs are replayed keylessly, ACP stdout is normalized and diffed, and scenario workspaces preserve tool side effects that the UI stream alone cannot prove. + +```mermaid +sequenceDiagram + participant Recorder as Real API recording + participant Fixture as snapshot fixture + participant Workspace + participant Replay as llm-replay adapter + participant ACP as acp-agent subprocess + participant Golden as stdout golden + Recorder->>Fixture: session.jsonl + workspace inputs + Fixture->>Workspace: seed files and hook configs + Fixture->>Replay: recorded StreamChunk script + Replay->>ACP: deterministic <code>llm/stream</code> chunks + ACP->>Workspace: bash, fs, and hook side effects + ACP->>Golden: normalized sessionUpdate stream + Golden-->>ACP: diff must be empty +``` + +The fs and hook snapshot matrix is valuable because it proves world state, hook decisions, and failed tool-card rendering, not just that replay returns text. + +Maintenance mode: curated Mermaid sequence based on the snapshot test harness. diff --git a/packages/ui/acp/src/codec.ts b/packages/ui/acp/src/codec.ts index 3b03a81c83..3830dba676 100644 --- a/packages/ui/acp/src/codec.ts +++ b/packages/ui/acp/src/codec.ts @@ -39,6 +39,8 @@ import type { ContentBlock as AcpContentBlock, StopReason } from '@agentclientpr * hook before any step ran — ACP has no "rejected" reason, and a * blocked prompt is, from the client's view, the prompt not being * carried out; `cancelled` is the closest legal wire reason) + * @param reason - the harness turn-end reason to translate. + * @returns the legal ACP wire value per the mapping above. */ export function turnEndToStopReason(reason: TurnEndReason): StopReason { switch (reason.kind) { @@ -69,8 +71,10 @@ export function turnEndToStopReason(reason: TurnEndReason): StopReason { * client as message content. Today only `text` maps; `resource_link` is an * ACP prompt-only input rendered into text by {@link acpPromptToText}; * `reasoning` is surfaced via `agent_thought_chunk` - * streaming rather than as a message block, and `tool-call`/`tool-result`/ - * `image` are handled by the tool-call update path or not advertised. + * streaming rather than as a message block, and `tool-call`/`tool-result` + * are handled by the tool-call update path. + * @param block - the harness content block to translate. + * @returns the ACP block, or `undefined` for a kind with no message-content mapping. */ export function harnessBlockToAcpContent(block: ContentBlock): AcpContentBlock | undefined { switch (block.type) { @@ -78,7 +82,7 @@ export function harnessBlockToAcpContent(block: ContentBlock): AcpContentBlock | return { type: 'text', text: block.text } // reasoning → streamed as agent_thought_chunk, not a message block // tool-call / tool-result → the tool_call / tool_call_update path - // image → not advertised + // plugin-added block types → not surfaced default: return undefined } @@ -89,6 +93,8 @@ export function harnessBlockToAcpContent(block: ContentBlock): AcpContentBlock | * concatenated verbatim; resource links become explicit textual references so * baseline ACP clients can point at files without the bridge silently dropping * that context. + * @param prompt - the ACP prompt blocks to flatten. + * @returns the concatenated text, with resource links rendered as bracketed references. */ export function acpPromptToText(prompt: readonly AcpContentBlock[]): string { return prompt @@ -109,6 +115,8 @@ export function acpPromptToText(prompt: readonly AcpContentBlock[]): string { * Whether an ACP prompt contains content the bridge cannot accept. Baseline ACP * requires `text` and `resource_link`; richer inline payloads (`resource`, * image, audio, …) are rejected rather than silently dropped. + * @param prompt - the ACP prompt blocks to inspect. + * @returns `true` when any block is neither `text` nor `resource_link`. */ export function promptHasUnsupportedContent(prompt: readonly AcpContentBlock[]): boolean { return prompt.some(block => block.type !== 'text' && block.type !== 'resource_link') diff --git a/packages/ui/acp/src/index.ts b/packages/ui/acp/src/index.ts index 70aa7a9493..253bfb9b13 100644 --- a/packages/ui/acp/src/index.ts +++ b/packages/ui/acp/src/index.ts @@ -22,8 +22,10 @@ * `agent→sessionId` reverse map for O(1) demux of `agent/*` events; every * `session/event` and `agent/*` event is routed strictly to its owning session * record, so two sessions streaming at once never interleave their - * `session/update` notifications. The `tools/pre-execute` permission gate is - * deferred — see the TODO(rfc010-permission-gate) note below. + * `session/update` notifications. Permission prompts ride the same ownership + * map: the bridge answers `approval/request` for its own agents over + * `session/request_permission` (see the approval answerer below) — whether a + * call ASKS is policy (a hook or plugin returning `ask`), not the bridge's. * * stdout is the protocol: this plugin must run in an example that loads NO * stdout logger (the console logger writes to stdout and would corrupt the @@ -47,6 +49,9 @@ import { type AuthenticateRequest, type CancelNotification, type ContentBlock as AcpContentBlock, + type CreateElicitationRequest, + type ElicitationContentValue, + type EnumOption, type InitializeRequest, type InitializeResponse, type LoadSessionRequest, @@ -57,7 +62,10 @@ import { type PlanEntry, type PromptRequest, type PromptResponse, + type SessionConfigOption, type SessionNotification, + type SetSessionConfigOptionRequest, + type SetSessionConfigOptionResponse, type Stream, type StopReason, } from '@agentclientprotocol/sdk' @@ -66,11 +74,26 @@ import { assertNever, CallId } from '@deepseek-ai/dsh-llm' import type { Agent, AgentStatus } from '@deepseek-ai/dsh-agent' import { AgentId } from '@deepseek-ai/dsh-agent' import { SessionId } from '@deepseek-ai/dsh-session' +import { SANDBOX_MODES, effectiveSandboxMode, setSandboxMode } from '@deepseek-ai/dsh-bash' +import { APPROVAL_POLICIES, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-user-approval' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' +import type { ApprovalPolicy } from '@deepseek-ai/dsh-user-approval' import type { SessionEvent, TodoItem, TurnEndReason } from '@deepseek-ai/dsh-session' -import type { ToolCallKind, ToolCallView, ToolRegistry, ToolResultView, TerminalResultView } from '@deepseek-ai/dsh-tools' +import type { ToolCallView, ToolRegistry, ToolResultView, TerminalResultView } from '@deepseek-ai/dsh-tools' // Side-effect type import: declaration-merges `ctx.sessionPersistence` onto // Context (the bridge injects it and reads `list()` for load cwd validation). import type {} from '@deepseek-ai/dsh-session-persistence' +// Side-effect type import: declaration-merges the `approval/request` waterfall +// the bridge answers for its own agents (see the approval answerer below). +import type {} from '@deepseek-ai/dsh-user-approval' +import { + UserInteractionError, + type AskUserQuestionAnswer, + type AskUserQuestionAnswerItem, + type AskUserQuestionItem, + type AskUserQuestionOption, + type AskUserQuestionRequest, +} from '@deepseek-ai/dsh-user-interaction' import { acpPromptToText, harnessBlockToAcpContent, @@ -84,7 +107,7 @@ export const name = 'acp' // because `initialize` advertises `loadSession: true`. `tools` lets a tool own // how its calls render (`presentCall`/`presentResult`); the bridge looks up the // definition by name and falls back to a generic presentation when absent. -export const inject = ['agents', 'sessions', 'sessionPersistence', 'tools'] +export const inject = ['agents', 'sessions', 'sessionPersistence', 'tools', 'userInteraction'] /** * Build an ACP "invalid params" error whose human detail rides in the message. @@ -111,16 +134,120 @@ function sameWorkspaceCwd(left: string, right: string): boolean { return resolvePath(left) === resolvePath(right) } +function optionDescription(option: AskUserQuestionOption): string { + return option.description === undefined + ? option.label + : `${option.label}: ${option.description}` +} + +function requireStringContent( + content: Record<string, ElicitationContentValue> | null | undefined, + key: string, +): string | undefined { + const value = content?.[key] + return typeof value === 'string' && value.trim().length > 0 ? value : undefined +} + +function askAbortError(): UserInteractionError { + return new UserInteractionError('ask_user_question was aborted before the user answered', 'ASK_ABORTED') +} + +function withAbort<T>(promise: Promise<T>, signal: AbortSignal | undefined): Promise<T> { + if (signal === undefined) return promise + if (signal.aborted) return Promise.reject(askAbortError()) + return new Promise<T>((resolve, reject) => { + const onAbort = (): void => { + signal.removeEventListener('abort', onAbort) + reject(askAbortError()) + } + signal.addEventListener('abort', onAbort, { once: true }) + promise.then( + (value) => { + signal.removeEventListener('abort', onAbort) + resolve(value) + }, + (error: unknown) => { + signal.removeEventListener('abort', onAbort) + reject(new Error(String(error), { cause: error })) + }, + ) + }) +} + +function elicitationForQuestion( + sessionId: SessionId, + question: AskUserQuestionItem, + options: AskUserQuestionOption[], +): CreateElicitationRequest { + const title = question.header ?? 'Question' + if (options.length === 0) { + return { + sessionId, + mode: 'form', + message: question.question, + requestedSchema: { + type: 'object', + title, + properties: { + custom: { type: 'string', title: question.question }, + }, + required: ['custom'], + }, + } + } + + const choiceOptions: EnumOption[] = options.map(option => ({ + const: option.label, + title: optionDescription(option), + })) + const choice = question.multiSelect === true + ? { + type: 'array' as const, + title: question.question, + description: 'Choose one or more options, or fill a custom answer below.', + items: { + anyOf: choiceOptions, + }, + } + : { + type: 'string' as const, + title: question.question, + description: 'Choose one option, or fill a custom answer below.', + oneOf: choiceOptions, + } + return { + sessionId, + mode: 'form', + message: question.question, + requestedSchema: { + type: 'object', + title, + properties: { + choice, + custom: { + type: 'string', + title: 'Custom answer', + description: 'Optional free-form answer. Leave empty to use the selected option.', + }, + }, + required: [], + }, + } +} + +function stringArrayContent( + content: Record<string, ElicitationContentValue> | null | undefined, + key: string, +): string[] { + const value = content?.[key] + if (Array.isArray(value)) return value.filter((item): item is string => typeof item === 'string' && item.length > 0) + return typeof value === 'string' && value.length > 0 ? [value] : [] +} + /** Plugin config: the agent template ACP sessions are created from. */ export interface AcpConfig { /** Model name for created agents (must have a registered adapter). */ model?: string - /** Per-agent system prompt. */ - systemPrompt?: string - /** Agent/server name reported to the client in `initialize`. */ - agentName?: string - /** Agent/server version reported to the client in `initialize`. */ - agentVersion?: string /** * Transport stream override. Production omits this (the plugin wires * `process.stdin`/`process.stdout` via `ndJsonStream`). Tests inject an @@ -133,9 +260,6 @@ export interface AcpConfig { export const Config: Schema<AcpConfig> = Schema.object({ model: Schema.string(), - systemPrompt: Schema.string(), - agentName: Schema.string().default('deepseek-harness-acp'), - agentVersion: Schema.string().default('0.0.1'), }) /** @@ -196,6 +320,19 @@ interface SessionRecord { turn: number | undefined logWatermark: number } | undefined + /** + * Config switches accepted while the session was IDLE, not yet anchored in + * its log. The turn-enclosure contract makes a bare between-turns append + * invalid (the JSONL backend treats a post-`turn/end` tail as crash + * garbage, and dev invariants throw), so an idle switch waits here and is + * anchored at the next turn's prompt-submit — before anything in that + * turn assembles a prompt or runs a call, and last write + * per knob wins (an idle flip-flop anchors as one event). Until anchored, + * the switch lives only in bridge memory: the set/new/load responses + * overlay it truthfully, and a restart before the next turn reverts it — + * which `session/load` then reports honestly from the log's fold. + */ + pendingSwitches: { sandboxMode?: SandboxMode; approvalPolicy?: ApprovalPolicy } } /** @@ -209,13 +346,6 @@ interface SessionRecord { * (settle-exactly-once). */ export function apply(ctx: Context, config: AcpConfig): void { - // TODO(double-default): these literals duplicate the Config schema defaults - // (`agentName`/`agentVersion` `.default(...)` above). The Loader applies the - // schema before apply() runs, so the `??` only fires for direct-apply unit - // tests. Pick one home for the default to avoid drift. - const agentName = config.agentName ?? 'deepseek-harness-acp' - const agentVersion = config.agentVersion ?? '0.0.1' - // Capture the injected services NOW, during apply(), while we are inside this // plugin's fiber (where `inject` grants access). The ACP method handlers run // LATER, from the AgentSideConnection's JSON-RPC read loop — a context that is @@ -227,6 +357,7 @@ export function apply(ctx: Context, config: AcpConfig): void { const sessionPersistence = ctx.sessionPersistence const logger = ctx.logger const tools = ctx.tools + const userInteraction = ctx.userInteraction // A new ToolPresenter per session (and a throwaway per load replay), each given // this warn sink so a throwing tool presenter is logged, not propagated. const makePresenter = (): ToolPresenter => new ToolPresenter(tools, (message) => { logger.warn(message) }) @@ -257,6 +388,42 @@ export function apply(ctx: Context, config: AcpConfig): void { // `notify` never observes it unset — no undefined guard needed. let conn: AgentSideConnection + userInteraction.registerProvider({ + async ask(request: AskUserQuestionRequest): Promise<AskUserQuestionAnswer> { + if (request.agent === undefined) { + throw new UserInteractionError('ACP user questions must come from an agent-owned request', 'NO_AGENT') + } + const sessionId = bySession.get(request.agent) + if (sessionId === undefined) { + throw new UserInteractionError('ACP user question has no matching session', 'NO_SESSION') + } + const answers: AskUserQuestionAnswerItem[] = [] + for (const question of request.questions) { + const options = question.options ?? [] + const response = await withAbort(conn.unstable_createElicitation( + elicitationForQuestion(sessionId, question, options), + ), request.signal).catch((error: unknown) => { + if (error instanceof UserInteractionError) throw error + throw new UserInteractionError('ACP elicitation request failed', 'ASK_FAILED', { cause: error }) + }) + if (response.action !== 'accept') { + throw new UserInteractionError('ask_user_question was cancelled by the user', 'ASK_CANCELLED') + } + const custom = requireStringContent(response.content, 'custom') + const selected = stringArrayContent(response.content, 'choice') + if (custom === undefined && selected.length === 0) { + throw new UserInteractionError('ask_user_question returned no answer', 'NO_ANSWER') + } + answers.push({ + id: question.id, + selected: custom === undefined ? selected : [], + ...custom !== undefined ? { custom } : {}, + }) + } + return { answers } + }, + }) + /** * Reject any RPC after the bridge has torn down. The `AgentSideConnection` * receive loop can outlive the plugin fiber — under an ACP-only HMR reload the @@ -413,8 +580,136 @@ export function apply(ctx: Context, config: AcpConfig): void { if (status === 'idle' || status === 'disposed') settleFromLog(rec) }) + // --- Approval answerer ----------------------------------------------------- + // The bridge is the approval channel for the agents it owns: an `ask` routed + // through `ctx.approval` (dsh-tools asks and sandbox escalation) becomes + // an editor permission prompt attached to the already-streamed tool call. The + // listener occupies the single decision slot ONLY for its own agents — a + // foreign or call-less request delegates via next() so another answerer (or + // the fail-closed `unavailable` default) takes the question. A rejected + // `requestPermission` (client gone, bridge torn down) propagates and the + // ApprovalService contains it as `unavailable`. Options are one-shot only: + // allow_always is a grant-storage design the approval RFC defers, so the + // prompt never offers a durable grant the harness could not honor. + ctx.on('approval/request', (req, next) => { + const sessionId = bySession.get(req.agent) + // The protocol requires `toolCall` (the prompt renders attached to it), so + // a request without a callId has nothing to attach to — delegate. + if (sessionId === undefined || req.callId === undefined) return next() + return conn.requestPermission({ + sessionId, + toolCall: { toolCallId: req.callId }, + options: [ + { optionId: 'allow-once', name: 'Allow once', kind: 'allow_once' }, + { optionId: 'reject-once', name: 'Reject', kind: 'reject_once' }, + ], + }).then(({ outcome }) => { + if (outcome.outcome === 'cancelled') return 'cancelled' + // Only the two advertised options exist; an unknown optionId from a + // non-conforming client counts as a rejection, never a grant. + return outcome.optionId === 'allow-once' ? 'allowed-once' : 'rejected' + }) + }) + // --- The ACP Agent method surface ----------------------------------------- + /** + * The session config options this composition can honor, with current + * values folded from the AGENT'S OWN session log (`effectiveSandboxMode` / + * `effectiveApprovalPolicy` — the log is the per-session store, so a + * `session/load` reports a resumed session's overrides with no catch-up + * machinery), overlaid with the record's not-yet-anchored pending switches + * (see {@link SessionRecord.pendingSwitches}). Capability-gated like every + * advertised lever: the sandbox option exists only when the mounted + * executor confines (`ctx.get('bash')?.sandboxMode` defined), the approval + * option only when the approval seam is composed — both read + * opportunistically so this bridge keeps working in compositions without + * them. + */ + const configOptionsFor = (agent: Agent, pending: SessionRecord['pendingSwitches'] = {}): SessionConfigOption[] => { + const options: SessionConfigOption[] = [] + const defaultMode = ctx.get('bash')?.sandboxMode + if (defaultMode !== undefined) { + options.push({ + id: 'sandbox-mode', + name: 'Sandbox', + description: 'The file sandbox mode bash commands in this session run under.', + category: 'mode', + type: 'select', + currentValue: pending.sandboxMode ?? effectiveSandboxMode(agent.session.events) ?? defaultMode, + options: SANDBOX_MODES.map(mode => ({ value: mode, name: mode })), + }) + } + const approval = ctx.get('approval') + if (approval !== undefined) { + options.push({ + id: 'approval-policy', + name: 'Approvals', + description: 'ask: permission prompts reach you; never: they are rejected automatically.', + type: 'select', + // `?? 'ask'` also shields against a provided stand-in whose config + // never went through the plugin schema (tests do this). + currentValue: pending.approvalPolicy ?? effectiveApprovalPolicy(agent.session.events) ?? approval.config.policy ?? 'ask', + options: APPROVAL_POLICIES.map(policy => ({ value: policy, name: policy })), + }) + } + return options + } + + /** + * Whether the session's log currently has an open turn — the last boundary + * event is a `turn/start`. Decides whether a config switch may append NOW + * (enclosed) or must wait for the next turn (see + * {@link SessionRecord.pendingSwitches}). Read from the LOG, not + * `agent.status`: status stays `running` across the gap between two queued + * turns, where a bare append would still land outside any turn. + */ + const isTurnOpen = (agent: Agent): boolean => { + const events = agent.session.events + for (let index = events.length - 1; index >= 0; index -= 1) { + const type = (events[index] as SessionEvent).type + if (type === 'turn/start') return true + if (type === 'turn/end') return false + } + return false + } + + /** + * Anchor a record's pending switches into its (just-opened) turn, last + * write per knob — skipping a value the session already effectively has, + * so a net-zero idle flip-flop anchors NOTHING (the log records switches, + * not select clicks). + */ + const flushPendingSwitches = (rec: SessionRecord): void => { + const pending = rec.pendingSwitches + rec.pendingSwitches = {} + const events = rec.agent.session.events + if (pending.sandboxMode !== undefined + && pending.sandboxMode !== (effectiveSandboxMode(events) ?? ctx.get('bash')?.sandboxMode)) { + setSandboxMode(rec.agent.session, pending.sandboxMode) + } + if (pending.approvalPolicy !== undefined + && pending.approvalPolicy !== (effectiveApprovalPolicy(events) ?? ctx.get('approval')?.config.policy ?? 'ask')) { + setApprovalPolicy(rec.agent.session, pending.approvalPolicy) + } + } + + // Idle-accepted switches anchor at the next turn's prompt-submit: the turn + // is open (the seam fires inside it, per drained message — the first flush + // empties the slot, later ones no-op), the loop has not yet assembled + // anything for it, and — unlike appending from inside a `session/event` + // listener — this seam fires OUTSIDE any log emit, so peer listeners + // (the dev invariants, persistence) observe the anchored events in strict + // log order. A turn with no prompt (an idle inject's one-shot injection + // turn) leaves the switch pending — it runs no step, so nothing executes + // or assembles under a stale value. + ctx.on('agent/prompt-submit', (agent, _content, _source, next) => { + const sessionId = bySession.get(agent) + const rec = sessionId === undefined ? undefined : sessions.get(sessionId) + if (rec !== undefined) flushPendingSwitches(rec) + return next() + }) + const makeAgent = (connection: AgentSideConnection): AcpAgent => { conn = connection return { @@ -430,7 +725,9 @@ export function apply(ctx: Context, config: AcpConfig): void { terminalOutputCap = params.clientCapabilities?._meta?.['terminal_output'] === true return Promise.resolve({ protocolVersion, - agentInfo: { name: agentName, version: agentVersion }, + // Fixed server identity: this bridge IS the harness ACP server, so the + // branding is a literal, not config (no shipped surface sets it). + agentInfo: { name: 'deepseek-harness-acp', version: '0.0.1' }, agentCapabilities: { loadSession: true, // Baseline prompt blocks only: text plus resource_link rendered as @@ -466,8 +763,10 @@ export function apply(ctx: Context, config: AcpConfig): void { presenter: makePresenter(), terminalEnabled: terminalOutputCap, inflight: undefined, + pendingSwitches: {}, }) - return Promise.resolve({ sessionId }) + const configOptions = configOptionsFor(handle.agent) + return Promise.resolve({ sessionId, ...configOptions.length > 0 ? { configOptions } : {} }) }, async loadSession(params: LoadSessionRequest): Promise<LoadSessionResponse> { @@ -543,6 +842,7 @@ export function apply(ctx: Context, config: AcpConfig): void { presenter: makePresenter(), terminalEnabled, inflight: undefined, + pendingSwitches: {}, } sessions.set(sessionId, record) // Replay the persisted event log to the client as session/update. Use @@ -566,7 +866,8 @@ export function apply(ctx: Context, config: AcpConfig): void { for (const event of agent.session.events) { streamSessionEventUpdate(sessionId, event, notify, replayPresenter, replayTerminal) } - return {} + const configOptions = configOptionsFor(agent) + return configOptions.length > 0 ? { configOptions } : {} } finally { loadingIds.delete(sessionId) } @@ -621,6 +922,62 @@ export function apply(ctx: Context, config: AcpConfig): void { settlePrompt(rec, 'cancelled') return Promise.resolve() }, + + setSessionConfigOption(params: SetSessionConfigOptionRequest): Promise<SetSessionConfigOptionResponse> { + assertOpen() + const rec = requireSession(SessionId(params.sessionId)) + // Both advertised options are selects, so the boolean-shaped variant of + // the request is a protocol misuse regardless of configId. + if (typeof params.value !== 'string') { + throw invalidParams(`config option ${params.configId} is a select; boolean values are not accepted`) + } + // The setters append ONE log-only event on this session's own log — + // the log is the store (the sandbox RFC § Per-session mode switching): execution, the + // prompt section, and the narrator all fold it from there, and a + // resumed session reports the override back through + // configOptionsFor. A switch while a turn is OPEN anchors + // immediately (the next step sees it); an IDLE switch waits in + // pendingSwitches for the next `turn/start` (turn-enclosure: a bare + // between-turns append would be dropped as crash tail on reload). + // Values are validated against the same closed lists the options + // advertised; an id this composition never advertised (or an unknown + // one) rejects. + switch (params.configId) { + case 'sandbox-mode': { + const defaultMode = ctx.get('bash')?.sandboxMode + if (defaultMode === undefined || !SANDBOX_MODES.includes(params.value as SandboxMode)) { + throw invalidParams(`unknown sandbox-mode value ${JSON.stringify(params.value)}`) + } + const value = params.value as SandboxMode + // A no-op switch (the value the session already shows — pending, + // else fold, else default) is acknowledged without recording + // anything: clients that re-push current selections on session + // start must not mint override events out of thin air. + const current = rec.pendingSwitches.sandboxMode ?? effectiveSandboxMode(rec.agent.session.events) ?? defaultMode + if (value === current) break + if (isTurnOpen(rec.agent)) setSandboxMode(rec.agent.session, value) + else rec.pendingSwitches.sandboxMode = value + break + } + case 'approval-policy': { + const approval = ctx.get('approval') + if (approval === undefined || !APPROVAL_POLICIES.includes(params.value as ApprovalPolicy)) { + throw invalidParams(`unknown approval-policy value ${JSON.stringify(params.value)}`) + } + const value = params.value as ApprovalPolicy + const current = rec.pendingSwitches.approvalPolicy ?? effectiveApprovalPolicy(rec.agent.session.events) ?? approval.config.policy ?? 'ask' + if (value === current) break + if (isTurnOpen(rec.agent)) setApprovalPolicy(rec.agent.session, value) + else rec.pendingSwitches.approvalPolicy = value + break + } + default: + throw invalidParams(`unknown config option ${JSON.stringify(params.configId)}`) + } + // The spec requires the COMPLETE refreshed config state in the response + // (a change may cascade); ours are independent, but the contract holds. + return Promise.resolve({ configOptions: configOptionsFor(rec.agent, rec.pendingSwitches) }) + }, } } @@ -715,11 +1072,12 @@ export function apply(ctx: Context, config: AcpConfig): void { * Build per-agent options from the plugin config, omitting absent fields * (exactOptionalPropertyTypes: never assign `undefined` to an optional key). * Exported for unit coverage of both the present and absent branches. + * @param config - the plugin config carrying the optional model name. + * @returns the per-agent options, with `model` present only when configured. */ -export function agentOptions(config: AcpConfig): { model?: string; systemPrompt?: string } { +export function agentOptions(config: AcpConfig): { model?: string } { return { ...config.model !== undefined ? { model: config.model } : {}, - ...config.systemPrompt !== undefined ? { systemPrompt: config.systemPrompt } : {}, } } @@ -779,6 +1137,16 @@ function validateMcpServers(params: { mcpServers?: unknown[] }): void { * * Other event types (turn/step boundaries, context/message, …) produce * no client update. + * @param sessionId - the ACP session id stamped on every emitted notification. + * @param event - the harness session event to translate. + * @param notify - sink for each produced `session/update` notification; called + * zero or more times per event (best-effort UI feed, never load-bearing). + * @param presenter - resolves tool-owned render intent for tool events; + * defaults to the generic-fallback {@link nullToolPresenter}. + * @param terminal - the connection's terminal-rendering context; defaults to + * disabled (the plain-text console-block fallback). + * @param options - `includeUserMessages` (default `true`): live streaming + * passes `false` so a prompt the client just sent is not echoed back. */ export function streamSessionEventUpdate( sessionId: SessionId, @@ -840,6 +1208,8 @@ export function streamSessionEventUpdate( * harness status triple IS `PlanEntryStatus`). The ACP client REPLACES its whole * plan on each `plan` update, matching the harness's whole-list-replace * semantics, so no per-entry diffing is needed. + * @param todos - the harness todo list (the whole list, not a diff). + * @returns the ACP plan body, one entry per todo. */ export function todosToPlan(todos: TodoItem[]): Plan { return { entries: todos.map((todo): PlanEntry => ({ content: todo.content, priority: 'medium', status: todo.status })) } @@ -900,7 +1270,16 @@ export class ToolPresenter { private readonly onError: (message: string) => void = () => {}, ) {} - /** Pending-state render intent for a `tool/call`; remembers `(name, args, card)` for the matching result. */ + /** + * Pending-state render intent for a `tool/call`; remembers `(name, args, card)` + * for the matching result. + * @param callId - the call id the matching `tool/result` will look up. + * @param name - the tool name, resolved against the registry for `presentCall`. + * @param argsJson - the raw arguments JSON from the event; parsed for the view + * (a non-JSON string is surfaced raw). + * @returns the tool-owned view, or the generic fallback (title = tool name, + * kind `other`, parsed args as raw input) when the tool defines none or threw. + */ call(callId: CallId, name: string, argsJson: string): ToolCallView { const args = parseToolArguments(argsJson) let present: ToolCallView | undefined @@ -911,14 +1290,27 @@ export class ToolPresenter { this.onError(`acp: tool "${name}" presentCall threw, using generic presentation: ${String(error)}`) present = undefined } - // No tool-owned presentation: fall back to the tool name as the title and the - // full parsed args as the raw input (the generic card). - const view: ToolCallView = present ?? { card: 'generic', title: name, kind: toolKindFor(name), rawInput: args } + // No tool-owned presentation: fall back to the tool name as the title, the + // full parsed args as the raw input, and kind `other` (the generic card). + // The kind is never sniffed from the name — the bridge does not special-case + // tool names; a tool that wants a richer kind declares `presentCall`. + const view: ToolCallView = present ?? { card: 'generic', title: name, kind: 'other', rawInput: args } this.pending.set(callId, { name, args, card: view.card }) return view } - /** Completed-state render intent for a `tool/result`; consumes the remembered `(name, args, card)`. */ + /** + * Completed-state render intent for a `tool/result`; consumes the remembered + * `(name, args, card)`. + * @param callId - the id of the matching `tool/call`; an unknown or late id + * falls back to the raw content. + * @param content - the result's content blocks (the fallback and fill-in body). + * @param isError - whether the result is an error, forwarded to `presentResult`. + * @param meta - the result's machine-readable meta, forwarded when present. + * @returns the tool-owned view — an orphaned `terminal` result (no terminal + * call side) and a content-less `generic` are normalized — or the raw-content + * generic card when the tool defines no `presentResult` or threw. + */ result(callId: CallId, content: ContentBlock[], isError: boolean, meta?: unknown): ToolResultView { const call = this.pending.get(callId) this.pending.delete(callId) @@ -951,18 +1343,10 @@ export class ToolPresenter { * results pass their raw content through unchanged. */ export const nullToolPresenter: Pick<ToolPresenter, 'call' | 'result'> = { - call: (_callId, name, argsJson) => ({ card: 'generic', title: name, kind: toolKindFor(name), rawInput: parseToolArguments(argsJson) }), + call: (_callId, name, argsJson) => ({ card: 'generic', title: name, kind: 'other', rawInput: parseToolArguments(argsJson) }), result: (_callId, content) => ({ card: 'generic', content }), } -/** Map a harness tool name to an ACP ToolKind (best-effort; default `other`). */ -function toolKindFor(name: string): ToolCallKind { - if (name === 'bash' || name === 'bash_output' || name === 'bash_kill') return 'execute' - if (name === 'read' || name.startsWith('read')) return 'read' - if (name === 'write' || name === 'edit' || name.startsWith('edit')) return 'edit' - return 'other' -} - /** Parse a tool-call arguments JSON string for `rawInput`; raw string on failure. */ function parseToolArguments(args: string): unknown { try { diff --git a/packages/ui/acp/tests/approval.spec.ts b/packages/ui/acp/tests/approval.spec.ts new file mode 100644 index 0000000000..ed035aaf80 --- /dev/null +++ b/packages/ui/acp/tests/approval.spec.ts @@ -0,0 +1,108 @@ +import { afterEach, beforeEach, describe, expect, it } from 'vitest' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { PROTOCOL_VERSION } from '@agentclientprotocol/sdk' +import { CallId } from '@deepseek-ai/dsh-llm' +import { AgentId, type Agent } from '@deepseek-ai/dsh-agent' +import ApprovalService, { type ApprovalRequest } from '@deepseek-ai/dsh-user-approval' +import { makeBridgeHarness, type BridgeHarness } from './harness.ts' + +/** + * The bridge's `approval/request` answerer: an ask for an agent the bridge + * owns becomes a `session/request_permission` prompt attached to the tool + * call; foreign or call-less requests delegate down to the fail-closed + * default. Driven through `ctx.approval` — the same path dsh-tools' ask + * routing takes — against the harness's scriptable client. + */ +describe('acp bridge — approval answerer', () => { + let storageDir: string + let harness: BridgeHarness | undefined + + beforeEach(async () => { storageDir = await mkdtemp(join(tmpdir(), 'acp-approval-')) }) + afterEach(async () => { + await harness?.dispose() + harness = undefined + await rm(storageDir, { recursive: true, force: true }) + }) + + async function ownedAgentRequest( + h: BridgeHarness, overrides: Partial<ApprovalRequest> = {}, + ): Promise<{ agent: Agent; request: ApprovalRequest }> { + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const agent = h.ctx.agents.get(AgentId(sessionId)) + if (agent === undefined) throw new Error('newSession created no agent') + // In production an ask always fires mid-turn (tool execution); open one so + // request()'s turn-enclosure precondition holds for the direct drive below. + agent.session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + return { agent, request: { agent, toolName: 'echo', callId: CallId('call-9'), ...overrides } } + } + + it('prompts the editor for an owned agent and maps allow-once → allowed-once', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'allow-once' } }) + + const { request } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request(request)).resolves.toBe('allowed-once') + + expect(harness.permissionRequests).toHaveLength(1) + const wire = harness.permissionRequests[0] + expect(wire?.toolCall).toEqual({ toolCallId: 'call-9' }) + expect(wire?.options.map(o => ({ optionId: o.optionId, kind: o.kind }))).toEqual([ + { optionId: 'allow-once', kind: 'allow_once' }, + { optionId: 'reject-once', kind: 'reject_once' }, + ]) + }) + + it('maps reject-once → rejected', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'reject-once' } }) + + const { request } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request(request)).resolves.toBe('rejected') + }) + + it('maps a client cancellation → cancelled', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'cancelled' } }) + + const { request } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request(request)).resolves.toBe('cancelled') + }) + + it('treats an unknown optionId from a non-conforming client as a rejection, never a grant', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'allow-always-i-insist' } }) + + const { request } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request(request)).resolves.toBe('rejected') + }) + + it('delegates a foreign agent down to the fail-closed default', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'allow-once' } }) + + // Not created through the bridge: no bySession entry, so the answerer must + // call next() — nobody else answers, so the seam fails closed. + const foreign = { session: { events: [{ type: 'turn/start' }], append: () => ({}) } } as unknown as Agent + await expect(harness.ctx.approval.request({ agent: foreign, toolName: 'echo', callId: CallId('c') })) + .resolves.toBe('unavailable') + expect(harness.permissionRequests).toHaveLength(0) + }) + + it('delegates a call-less request — the protocol prompt must attach to a tool call', async () => { + harness = await makeBridgeHarness({ storageDir }) + await harness.ctx.plugin(ApprovalService) + harness.onPermission = () => ({ outcome: { outcome: 'selected', optionId: 'allow-once' } }) + + const { agent } = await ownedAgentRequest(harness) + await expect(harness.ctx.approval.request({ agent, toolName: 'echo' })).resolves.toBe('unavailable') + expect(harness.permissionRequests).toHaveLength(0) + }) +}) diff --git a/packages/ui/acp/tests/bridge.spec.ts b/packages/ui/acp/tests/bridge.spec.ts index f94106f46c..be05a09644 100644 --- a/packages/ui/acp/tests/bridge.spec.ts +++ b/packages/ui/acp/tests/bridge.spec.ts @@ -4,7 +4,7 @@ import { tmpdir } from 'node:os' import { join } from 'node:path' import { PROTOCOL_VERSION } from '@agentclientprotocol/sdk' import { AgentId } from '@deepseek-ai/dsh-agent' -import { makeBridgeHarness, textResponse, type BridgeHarness } from './harness.ts' +import { makeBridgeHarness, textResponse, toolCallResponse, type BridgeHarness } from './harness.ts' /** * End-to-end bridge specs over an in-memory transport: a real @@ -33,7 +33,7 @@ describe('acp bridge', () => { expect(res.protocolVersion).toBe(PROTOCOL_VERSION) expect(res.agentCapabilities?.loadSession).toBe(true) expect(res.agentCapabilities?.promptCapabilities).toMatchObject({ image: false, audio: false }) - expect(res.agentInfo?.name).toBe('deepseek-harness-acp') + expect(res.agentInfo).toEqual({ name: 'deepseek-harness-acp', version: '0.0.1' }) }) it('session/new creates a session and a full prompt turn streams text then settles end_turn', async () => { @@ -53,6 +53,209 @@ describe('acp bridge', () => { expect(text).toBe('hello there') }) + it('routes ask_user_question through ACP form elicitation and continues with the selected option', async () => { + harness = await makeBridgeHarness({ + storageDir, + withAskUser: true, + script: [ + toolCallResponse('ask-1', 'ask_user_question', { + questions: [{ + id: 'language', + header: 'Project config', + question: 'Which language should I use?', + options: [ + { label: 'TypeScript', description: 'Good for UI apps' }, + { label: 'Python', description: 'Good for scripts' }, + ], + }], + }), + textResponse('Python it is.'), + ], + }) + harness.onElicitation = () => ({ action: 'accept', content: { choice: 'Python' } }) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await harness.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + + const result = await harness.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'ask me' }] }) + + expect(result.stopReason).toBe('end_turn') + expect(harness.elicitationRequests).toHaveLength(1) + expect(harness.elicitationRequests[0]).toMatchObject({ + sessionId, + mode: 'form', + message: 'Which language should I use?', + requestedSchema: { + title: 'Project config', + properties: { + choice: { + oneOf: [ + { const: 'TypeScript', title: 'TypeScript: Good for UI apps' }, + { const: 'Python', title: 'Python: Good for scripts' }, + ], + }, + custom: { type: 'string' }, + }, + required: [], + }, + }) + const toolResult = harness.ctx.agents.get(AgentId(sessionId))!.session.events.find(event => event.type === 'tool/result') + const toolResultBlock = toolResult?.type === 'tool/result' ? toolResult.data.content[0] : undefined + const toolResultText = toolResultBlock?.type === 'text' ? toolResultBlock.text : undefined + expect(toolResultText).toBe('{"answers":[{"id":"language","selected":["Python"]}]}') + }) + + it('routes optionless ask_user_question through an ACP free-form answer field', async () => { + harness = await makeBridgeHarness({ + storageDir, + withAskUser: true, + script: [ + toolCallResponse('ask-1', 'ask_user_question', { + questions: [{ id: 'name', question: 'What should I name it?' }], + }), + textResponse('Name recorded.'), + ], + }) + harness.onElicitation = () => ({ action: 'accept', content: { custom: 'apollo' } }) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await harness.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + + await harness.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'ask me' }] }) + + expect(harness.elicitationRequests[0]).toMatchObject({ + requestedSchema: { + properties: { custom: { type: 'string', title: 'What should I name it?' } }, + required: ['custom'], + }, + }) + const toolResult = harness.ctx.agents.get(AgentId(sessionId))!.session.events.find(event => event.type === 'tool/result') + expect(JSON.stringify(toolResult)).toContain('apollo') + }) + + it('supports ACP custom answers alongside choices', async () => { + harness = await makeBridgeHarness({ storageDir, withAskUser: true }) + harness.onElicitation = () => ({ action: 'accept', content: { custom: 'Use Zig' } }) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await harness.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const agent = harness.ctx.agents.get(AgentId(sessionId))! + + const result = await harness.ctx.userInteraction.ask({ + agent, + questions: [{ + id: 'language', + question: 'Which language?', + options: [{ label: 'TypeScript' }], + }], + }) + + expect(result).toEqual({ answers: [{ id: 'language', selected: [], custom: 'Use Zig' }] }) + expect(harness.elicitationRequests[0]).toMatchObject({ + requestedSchema: { + properties: { + choice: { + description: 'Choose one option, or fill a custom answer below.', + oneOf: [{ const: 'TypeScript', title: 'TypeScript' }], + }, + custom: { type: 'string' }, + }, + required: [], + }, + }) + }) + + it('treats ACP custom answers as overriding selected choices', async () => { + harness = await makeBridgeHarness({ storageDir, withAskUser: true }) + harness.onElicitation = () => ({ action: 'accept', content: { choice: 'TypeScript', custom: 'Use Zig' } }) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await harness.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const agent = harness.ctx.agents.get(AgentId(sessionId))! + + await expect(harness.ctx.userInteraction.ask({ + agent, + questions: [{ + id: 'language', + question: 'Which language?', + options: [{ label: 'TypeScript' }], + }], + })).resolves.toEqual({ answers: [{ id: 'language', selected: [], custom: 'Use Zig' }] }) + }) + + it('supports ACP multi-select answers', async () => { + harness = await makeBridgeHarness({ storageDir, withAskUser: true }) + harness.onElicitation = () => ({ action: 'accept', content: { choice: ['Tests', 'Docs'] } }) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await harness.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const agent = harness.ctx.agents.get(AgentId(sessionId))! + + await expect(harness.ctx.userInteraction.ask({ + agent, + questions: [{ + id: 'targets', + question: 'Pick', + options: [{ label: 'Tests' }, { label: 'Docs' }], + multiSelect: true, + }], + })).resolves.toEqual({ answers: [{ id: 'targets', selected: ['Tests', 'Docs'] }] }) + }) + + it('reports ACP ask-user routing and answer failures as structured errors', async () => { + harness = await makeBridgeHarness({ storageDir, withAskUser: true }) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await harness.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const agent = harness.ctx.agents.get(AgentId(sessionId))! + + await expect(harness.ctx.userInteraction.ask({ questions: [{ id: 'x', question: 'No agent?' }] })) + .rejects.toMatchObject({ name: 'UserInteractionError', code: 'NO_AGENT' }) + await expect(harness.ctx.userInteraction.ask({ agent: { id: 'other' } as typeof agent, questions: [{ id: 'x', question: 'No session?' }] })) + .rejects.toMatchObject({ code: 'NO_SESSION' }) + + harness.onElicitation = () => ({ action: 'cancel' }) + await expect(harness.ctx.userInteraction.ask({ agent, questions: [{ id: 'x', question: 'Cancel?' }] })) + .rejects.toMatchObject({ code: 'ASK_CANCELLED' }) + + harness.onElicitation = () => ({ action: 'accept', content: {} }) + await expect(harness.ctx.userInteraction.ask({ agent, questions: [{ id: 'x', question: 'Empty?' }] })) + .rejects.toMatchObject({ code: 'NO_ANSWER' }) + + harness.onElicitation = () => { throw new Error('client boom') } + await expect(harness.ctx.userInteraction.ask({ agent, questions: [{ id: 'x', question: 'Client fails?' }], signal: new AbortController().signal })) + .rejects.toMatchObject({ code: 'ASK_FAILED' }) + }) + + it('aborts ACP ask-user requests before and while waiting for elicitation', async () => { + harness = await makeBridgeHarness({ storageDir, withAskUser: true }) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await harness.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const agent = harness.ctx.agents.get(AgentId(sessionId))! + + const alreadyAborted = new AbortController() + alreadyAborted.abort() + await expect(harness.ctx.userInteraction.ask({ agent, questions: [{ id: 'x', question: 'Already?' }], signal: alreadyAborted.signal })) + .rejects.toMatchObject({ code: 'ASK_ABORTED' }) + + let abortedReads = 0 + const racingAbort = { + get aborted() { return abortedReads++ > 0 }, + addEventListener() {}, + removeEventListener() {}, + dispatchEvent() { return false }, + onabort: null, + reason: undefined, + throwIfAborted() {}, + } as AbortSignal + await expect(harness.ctx.userInteraction.ask({ agent, questions: [{ id: 'x', question: 'Raced?' }], signal: racingAbort })) + .rejects.toMatchObject({ code: 'ASK_ABORTED' }) + + let release: ((value: { action: 'accept'; content: { custom: string } }) => void) | undefined + harness.onElicitation = () => new Promise((resolve) => { release = resolve }) + const pendingAbort = new AbortController() + const ask = harness.ctx.userInteraction.ask({ agent, questions: [{ id: 'x', question: 'Pending?' }], signal: pendingAbort.signal }) + await new Promise(resolve => setImmediate(resolve)) + pendingAbort.abort() + + await expect(ask).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + release?.({ action: 'accept', content: { custom: 'too late' } }) + }) + it('allows multiple concurrent sessions, each with a distinct id', async () => { harness = await makeBridgeHarness({ storageDir, script: [] }) await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) @@ -148,16 +351,15 @@ describe('acp bridge', () => { await expect(harness.client.authenticate({ methodId: 'whatever' })).resolves.toBeDefined() }) - it('honors agentName/agentVersion/systemPrompt config', async () => { + it('renders the deployment persona into ACP-created agents\' requests', async () => { harness = await makeBridgeHarness({ storageDir, script: [textResponse('ok')], - config: { agentName: 'custom-agent', agentVersion: '9.9.9', systemPrompt: 'be terse' }, + persona: 'be terse', }) - const res = await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) - expect(res.agentInfo).toMatchObject({ name: 'custom-agent', version: '9.9.9' }) - // Create + prompt so the systemPrompt config flows through agentOptions and - // reaches the model request. + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + // Create + prompt so the system-prompt plugin's persona section reaches + // the model request of an agent the BRIDGE created (session/new). const { sessionId } = await harness.client.newSession({ cwd: process.cwd(), mcpServers: [] }) await harness.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'hi' }] }) expect(harness.adapter.requests[0]?.system).toContain('be terse') diff --git a/packages/ui/acp/tests/codec.spec.ts b/packages/ui/acp/tests/codec.spec.ts index 859e8d40cd..b4f0c10792 100644 --- a/packages/ui/acp/tests/codec.spec.ts +++ b/packages/ui/acp/tests/codec.spec.ts @@ -1,4 +1,5 @@ import { describe, expect, it } from 'vitest' +import type { ContentBlock } from '@deepseek-ai/dsh-llm' import type { TurnEndReason } from '@deepseek-ai/dsh-session' import type { ContentBlock as AcpContentBlock } from '@agentclientprotocol/sdk' import { @@ -33,9 +34,9 @@ describe('harnessBlockToAcpContent', () => { expect(harnessBlockToAcpContent({ type: 'text', text: 'hi' })).toEqual({ type: 'text', text: 'hi' }) }) - it('returns undefined for non-text blocks (reasoning/tool/image)', () => { + it('returns undefined for non-text blocks (reasoning / plugin-added)', () => { expect(harnessBlockToAcpContent({ type: 'reasoning', text: 'think' })).toBeUndefined() - expect(harnessBlockToAcpContent({ type: 'image', url: 'https://x/y.png', mimeType: 'image/png' })).toBeUndefined() + expect(harnessBlockToAcpContent({ type: 'chart', data: 'x' } as unknown as ContentBlock)).toBeUndefined() }) }) diff --git a/packages/ui/acp/tests/config-options.spec.ts b/packages/ui/acp/tests/config-options.spec.ts new file mode 100644 index 0000000000..1202e44bd3 --- /dev/null +++ b/packages/ui/acp/tests/config-options.spec.ts @@ -0,0 +1,260 @@ +/** + * Session config options over the bridge: the two per-session knobs + * (`sandbox-mode`, `approval-policy`) advertised from composition capability, + * their current values folded from each session's own log, switching via + * `session/set_config_option` (one log-only event per switch — the log is the + * store), and a resumed session reporting its overrides back on + * `session/load` with no catch-up machinery. + */ + +import { afterEach, beforeEach, describe, expect, it } from 'vitest' +import { mkdtemp, rm } from 'node:fs/promises' +import { tmpdir } from 'node:os' +import { join } from 'node:path' +import { PROTOCOL_VERSION } from '@agentclientprotocol/sdk' +import * as Invariants from '@deepseek-ai/dsh-invariants' +import ApprovalService from '@deepseek-ai/dsh-user-approval' +import type { ApprovalPolicy } from '@deepseek-ai/dsh-user-approval' +import { LocalBashExecutor } from '@deepseek-ai/dsh-bash-local' +import type { SandboxMode } from '@deepseek-ai/dsh-sandbox' +import { makeBridgeHarness, textResponse, type BridgeHarness } from './harness.ts' + +/** + * The REAL local executor reporting a confining default — `sandboxMode` is + * the documented capability override point (`dsh-bash-sandbox` overrides it + * the same way), so the bridge sees exactly what a sandboxing composition + * advertises without this suite dragging in a kernel sandbox stack. + */ +class SandboxedLocalExecutor extends LocalBashExecutor { + override get sandboxMode(): SandboxMode { + return 'read-only' + } +} + +/** The exact option payloads the bridge advertises (pinned verbatim). */ +function sandboxOption(currentValue: SandboxMode): object { + return { + id: 'sandbox-mode', + name: 'Sandbox', + description: 'The file sandbox mode bash commands in this session run under.', + category: 'mode', + type: 'select', + currentValue, + options: [ + { value: 'read-only', name: 'read-only' }, + { value: 'workspace-write', name: 'workspace-write' }, + { value: 'danger-full-access', name: 'danger-full-access' }, + ], + } +} + +function approvalOption(currentValue: ApprovalPolicy): object { + return { + id: 'approval-policy', + name: 'Approvals', + description: 'ask: permission prompts reach you; never: they are rejected automatically.', + type: 'select', + currentValue, + options: [ + { value: 'ask', name: 'ask' }, + { value: 'never', name: 'never' }, + ], + } +} + +describe('acp bridge — session config options', () => { + let storageDir: string + let h: BridgeHarness | undefined + let loader: BridgeHarness | undefined + + beforeEach(async () => { storageDir = await mkdtemp(join(tmpdir(), 'acp-config-')) }) + afterEach(async () => { + if (h) await h.dispose() + if (loader) await loader.dispose() + h = loader = undefined + await rm(storageDir, { recursive: true, force: true }) + }) + + /** A harness whose composition can honor both knobs (sandboxed executor + approval seam). */ + async function bothKnobs(options: { policy?: ApprovalPolicy; script?: NonNullable<Parameters<typeof makeBridgeHarness>[0]>['script'] } = {}): Promise<BridgeHarness> { + const harness = await makeBridgeHarness({ storageDir, ...options.script !== undefined ? { script: options.script } : {} }) + // The dev invariants police turn-enclosure: an idle switch that appended + // outside a turn would throw right here in the suite, not in production. + await harness.ctx.plugin(Invariants) + await harness.ctx.plugin(SandboxedLocalExecutor, { timeoutMs: 10_000 }) + await harness.ctx.plugin(ApprovalService, options.policy !== undefined ? { policy: options.policy } : {}) + await harness.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + return harness + } + + it('advertises no configOptions in a composition with neither knob', async () => { + h = await makeBridgeHarness({ storageDir }) + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const res = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toBeUndefined() + }) + + it('a non-confining executor advertises no sandbox option (nothing would honor it)', async () => { + h = await makeBridgeHarness({ storageDir, withBash: true }) + await h.ctx.plugin(ApprovalService) + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const res = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toEqual([approvalOption('ask')]) + }) + + it('advertises both knobs with capability-derived currents (config default included)', async () => { + h = await bothKnobs({ policy: 'never' }) + const res = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toEqual([sandboxOption('read-only'), approvalOption('never')]) + }) + + it('an idle switch is pending (overlaid, not yet logged), then anchors INSIDE the next turn', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + + const afterSandbox = await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + expect(afterSandbox.configOptions).toEqual([sandboxOption('workspace-write'), approvalOption('ask')]) + const afterApproval = await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'never' }) + expect(afterApproval.configOptions).toEqual([sandboxOption('workspace-write'), approvalOption('never')]) + + // Idle: nothing in the log yet — turn-enclosure forbids a bare append + // (the dev invariants in this suite would throw), so the switch lives on + // the record until a turn opens. + const session = h.ctx.agents.list()[0]?.session + expect(session?.events.some(e => e.type === 'bash/sandbox-mode' || e.type === 'approval/policy')).toBe(false) + + // The next turn anchors both switches inside itself, one event per knob. + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = session?.events ?? [] + expect(events.filter(e => e.type === 'bash/sandbox-mode').map(e => e.data)).toEqual([{ mode: 'workspace-write' }]) + expect(events.filter(e => e.type === 'approval/policy').map(e => e.data)).toEqual([{ policy: 'never' }]) + const turnStart = events.findIndex(e => e.type === 'turn/start') + const anchored = events.findIndex(e => e.type === 'bash/sandbox-mode') + expect(turnStart).toBeGreaterThanOrEqual(0) + expect(anchored).toBeGreaterThan(turnStart) + }) + + it('an idle flip-flop anchors as ONE event (last write per knob wins)', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'danger-full-access' }) + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + expect(events.filter(e => e.type === 'bash/sandbox-mode').map(e => e.data)).toEqual([{ mode: 'danger-full-access' }]) + // Idle again AFTER a completed turn (the log now ends in turn/end): a new + // switch pends rather than appending outside the closed turn. + const again = await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'read-only' }) + expect(again.configOptions?.find(option => option.id === 'sandbox-mode')).toMatchObject({ currentValue: 'read-only' }) + expect(events.filter(e => e.type === 'bash/sandbox-mode')).toHaveLength(1) + }) + + it('a no-op switch (the value already shown) records nothing and keeps a live pending', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + // Re-pushing the composition default (what clients that echo current + // selections on session start do) must not mint an override event. + const echo = await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'ask' }) + expect(echo.configOptions?.find(option => option.id === 'approval-policy')).toMatchObject({ currentValue: 'ask' }) + // Re-sending a PENDING value keeps the pending switch alive (it is what + // the session shows), rather than cancelling it. + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + const repeat = await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + expect(repeat.configOptions?.find(option => option.id === 'sandbox-mode')).toMatchObject({ currentValue: 'workspace-write' }) + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + expect(events.filter(e => e.type === 'approval/policy')).toHaveLength(0) + expect(events.filter(e => e.type === 'bash/sandbox-mode').map(e => e.data)).toEqual([{ mode: 'workspace-write' }]) + }) + + it('a net-zero idle flip-flop anchors NOTHING (switches are recorded, select clicks are not)', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + const back = await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'read-only' }) + expect(back.configOptions?.find(option => option.id === 'sandbox-mode')).toMatchObject({ currentValue: 'read-only' }) + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + expect(events.filter(e => e.type === 'bash/sandbox-mode')).toHaveLength(0) + }) + + it('a mid-turn switch anchors immediately (the open turn encloses it)', async () => { + h = await bothKnobs({ script: ['hang'] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const hung = h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'go' }] }) + // Give the loop a tick to open the turn (the turns.spec hang idiom). + await new Promise(resolve => setTimeout(resolve, 30)) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' }) + await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'never' }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + const turnStart = events.findIndex(e => e.type === 'turn/start') + const anchored = events.findIndex(e => e.type === 'bash/sandbox-mode') + expect(turnStart).toBeGreaterThanOrEqual(0) + expect(anchored).toBeGreaterThan(turnStart) + expect(events.some(e => e.type === 'approval/policy')).toBe(true) + await h.client.cancel({ sessionId }) + await hung + }) + + it('tolerates a provided approval stand-in whose config skipped the plugin schema', async () => { + h = await makeBridgeHarness({ storageDir, script: [textResponse('ok')] }) + h.ctx.provide('approval', { config: {} } as unknown as InstanceType<typeof ApprovalService>) + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const res = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toEqual([approvalOption('ask')]) + const sessionId = res.sessionId + // The schema-less config also shields the no-op guard ('ask' by the ?? fallback)… + const echo = await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'ask' }) + expect(echo.configOptions).toEqual([approvalOption('ask')]) + // …and the anchor-time comparison: a real switch under the stand-in still anchors. + await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'never' }) + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'anchor' }] }) + const events = h.ctx.agents.list()[0]?.session.events ?? [] + expect(events.filter(e => e.type === 'approval/policy').map(e => e.data)).toEqual([{ policy: 'never' }]) + }) + + it('rejects unknown ids, unadvertised ids, boolean values, and out-of-vocabulary values', async () => { + h = await makeBridgeHarness({ storageDir }) + await h.ctx.plugin(ApprovalService) + await h.client.initialize({ protocolVersion: PROTOCOL_VERSION, clientCapabilities: {} }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + + await expect(h.client.setSessionConfigOption({ sessionId, configId: 'reasoning-effort', value: 'max' })) + .rejects.toThrow(/unknown config option/) + // sandbox-mode exists as a concept but THIS composition never advertised it. + await expect(h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'workspace-write' })) + .rejects.toThrow(/unknown sandbox-mode value/) + await expect(h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', type: 'boolean', value: true })) + .rejects.toThrow(/select; boolean values are not accepted/) + await expect(h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'always' })) + .rejects.toThrow(/unknown approval-policy value/) + }) + + it('a switch in one session never leaks into a concurrent one (state and pending both per-session)', async () => { + h = await bothKnobs() + const a = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + const b = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + await h.client.setSessionConfigOption({ sessionId: a.sessionId, configId: 'sandbox-mode', value: 'danger-full-access' }) + // B sees its own composition defaults, not A's pending switch... + const bAfter = await h.client.setSessionConfigOption({ sessionId: b.sessionId, configId: 'approval-policy', value: 'never' }) + expect(bAfter.configOptions).toEqual([sandboxOption('read-only'), approvalOption('never')]) + // ...and A keeps its own state, untouched by B's. + const aAfter = await h.client.setSessionConfigOption({ sessionId: a.sessionId, configId: 'sandbox-mode', value: 'danger-full-access' }) + expect(aAfter.configOptions).toEqual([sandboxOption('danger-full-access'), approvalOption('ask')]) + }) + + it('session/load reports a resumed session\'s overrides from its own log', async () => { + h = await bothKnobs({ script: [textResponse('ok')] }) + const { sessionId } = await h.client.newSession({ cwd: process.cwd(), mcpServers: [] }) + await h.client.setSessionConfigOption({ sessionId, configId: 'sandbox-mode', value: 'danger-full-access' }) + await h.client.setSessionConfigOption({ sessionId, configId: 'approval-policy', value: 'never' }) + // One turn checkpoints the log (the switch events flush with it). + await h.client.prompt({ sessionId, prompt: [{ type: 'text', text: 'persist me' }] }) + await h.dispose() + h = undefined + + loader = await bothKnobs() + const res = await loader.client.loadSession({ sessionId, cwd: process.cwd(), mcpServers: [] }) + expect(res.configOptions).toEqual([sandboxOption('danger-full-access'), approvalOption('never')]) + }) +}) diff --git a/packages/ui/acp/tests/harness.ts b/packages/ui/acp/tests/harness.ts index 01a5d30abc..a24c7aa145 100644 --- a/packages/ui/acp/tests/harness.ts +++ b/packages/ui/acp/tests/harness.ts @@ -29,11 +29,15 @@ import { ndJsonStream, type Agent as AcpAgent, type Client, + type CreateElicitationRequest, + type CreateElicitationResponse, type RequestPermissionRequest, type RequestPermissionResponse, type SessionNotification, type Stream, } from '@agentclientprotocol/sdk' +import UserInteractionService from '@deepseek-ai/dsh-user-interaction' +import * as ToolAskUser from '@deepseek-ai/dsh-tool-ask-user' import * as AcpPlugin from '../src/index.ts' import { type AcpConfig } from '../src/index.ts' @@ -121,6 +125,10 @@ export interface BridgeHarness { permissionRequests: RequestPermissionRequest[] /** Decide each permission request's outcome (default: cancelled). */ onPermission: (req: RequestPermissionRequest) => RequestPermissionResponse + /** Elicitation requests the bridge issued for ask_user_question. */ + elicitationRequests: CreateElicitationRequest[] + /** Decide each elicitation response (default: cancel). */ + onElicitation: (req: CreateElicitationRequest) => CreateElicitationResponse | Promise<CreateElicitationResponse> /** If set, the client's sessionUpdate throws this (tests notify error path). */ onSessionUpdateError: (() => void) | undefined /** @@ -153,6 +161,8 @@ export interface BridgeHarness { export async function makeBridgeHarness(options: { script?: (StreamChunk[] | 'hang')[] config?: Partial<AcpConfig> + /** Deployment persona for the tree (the system-prompt plugin's config). */ + persona?: string storageDir: string /** * Plug the REAL `dsh-bash-local` executor + `dsh-tool-bash` tools (instead of @@ -162,6 +172,8 @@ export async function makeBridgeHarness(options: { * implementation over a mock in tests"). */ withBash?: boolean + /** Plug the REAL `ask_user_question` tool and ACP user-interaction provider. */ + withAskUser?: boolean /** * Plug the REAL `dsh-tool-todo` tool so a test can drive `todo_write` through * the bridge and assert the resulting `plan` sessionUpdate — the shipping @@ -183,11 +195,15 @@ export async function makeBridgeHarness(options: { const ctx = new Context() await ctx.plugin(LlmService) await ctx.plugin(SessionStore) - await ctx.plugin(SystemPrompt) + await ctx.plugin(SystemPrompt, { persona: options.persona ?? '' }) await ctx.plugin(ToolRegistry) await ctx.plugin(AgentRegistry) await ctx.plugin(AgentLoop, { agents: [] }) await ctx.plugin(SessionPersistenceJsonl, { root: options.storageDir }) + await ctx.plugin(UserInteractionService) + if (options.withAskUser) { + await ctx.plugin(ToolAskUser) + } if (options.withBash) { await ctx.plugin(LocalBashExecutor, { timeoutMs: 10_000 }) await ctx.plugin(ToolBash) @@ -224,6 +240,7 @@ export async function makeBridgeHarness(options: { const updates: CapturedUpdate[] = [] const sessionUpdates: { sessionId: string; update: CapturedUpdate }[] = [] const permissionRequests: RequestPermissionRequest[] = [] + const elicitationRequests: CreateElicitationRequest[] = [] const harness: BridgeHarness = { ctx, adapter, @@ -231,6 +248,8 @@ export async function makeBridgeHarness(options: { sessionUpdates, permissionRequests, onPermission: () => ({ outcome: { outcome: 'cancelled' } }), + elicitationRequests, + onElicitation: () => ({ action: 'cancel' }), onSessionUpdateError: undefined, client: undefined as unknown as ClientSideConnection, acpFiber: undefined as unknown as BridgeHarness['acpFiber'], @@ -256,6 +275,10 @@ export async function makeBridgeHarness(options: { permissionRequests.push(params) return Promise.resolve(harness.onPermission(params)) }, + unstable_createElicitation(params: CreateElicitationRequest): Promise<CreateElicitationResponse> { + elicitationRequests.push(params) + return Promise.resolve(harness.onElicitation(params)) + }, }) // Wire the bridge (agent side) and the client (test side). The test config diff --git a/packages/ui/acp/tests/stream-update.spec.ts b/packages/ui/acp/tests/stream-update.spec.ts index 2b4fcbd74f..cb3eab3545 100644 --- a/packages/ui/acp/tests/stream-update.spec.ts +++ b/packages/ui/acp/tests/stream-update.spec.ts @@ -50,32 +50,34 @@ describe('streamSessionEventUpdate', () => { .toEqual([]) }) - it('maps tool/call to an in_progress tool_call with inferred kind and parsed rawInput (generic fallback, no presenter)', () => { + it('maps tool/call to an in_progress tool_call with kind other and parsed rawInput (generic fallback, no presenter)', () => { const updates = updatesFor(evt('tool/call', { turn: 1, step: 1, callId: CallId('c1'), name: 'bash', arguments: '{"command":"ls"}' })) expect(updates).toEqual([{ sessionUpdate: 'tool_call', toolCallId: 'c1', title: 'bash', - kind: 'execute', + // The fallback never sniffs a kind from the tool name — even a name a + // first-party tool uses (`bash`) renders `other`; kinds are tool-owned + // via presentCall. + kind: 'other', status: 'in_progress', rawInput: { command: 'ls' }, }]) }) - it('infers tool kinds: read*/write*/edit*/other', () => { - const kind = (name: string): unknown => - updatesFor(evt('tool/call', { turn: 1, step: 1, callId: CallId('c'), name, arguments: '' }))[0] - expect((kind('read_file') as { kind: string }).kind).toBe('read') - expect((kind('write') as { kind: string }).kind).toBe('edit') - expect((kind('edit_file') as { kind: string }).kind).toBe('edit') - expect((kind('frobnicate') as { kind: string }).kind).toBe('other') - }) - it('falls back to the raw argument string when tool arguments are not JSON', () => { const update = updatesFor(evt('tool/call', { turn: 1, step: 1, callId: CallId('c1'), name: 'bash', arguments: 'not json' }))[0] expect((update as { rawInput: unknown }).rawInput).toBe('not json') }) + it('parses EMPTY tool arguments to an empty-object rawInput (a zero-arg call, not the raw-string fallback)', () => { + // `JSON.parse('')` throws, so without the empty-string guard a zero-arg + // call would render `rawInput: ''` via the non-JSON fallback; the guard + // normalizes it to `{}`. + const update = updatesFor(evt('tool/call', { turn: 1, step: 1, callId: CallId('c1'), name: 'noop', arguments: '' }))[0] + expect((update as { rawInput: unknown }).rawInput).toEqual({}) + }) + it('maps tool/result to completed/failed tool_call_update with text content', () => { const ok = updatesFor(evt('tool/result', { turn: 1, step: 1, callId: CallId('c1'), content: [{ type: 'text', text: 'out' }], isError: false })) expect(ok).toEqual([{ @@ -91,7 +93,7 @@ describe('streamSessionEventUpdate', () => { it('drops non-text tool-result content (text-only)', () => { const update = updatesFor(evt('tool/result', { turn: 1, step: 1, callId: CallId('c1'), - content: [{ type: 'image', url: 'https://x/y.png' }], + content: [{ type: 'reasoning', text: 'private' }], isError: false, }))[0] expect((update as { content: unknown[] }).content).toEqual([]) @@ -816,7 +818,5 @@ describe('agentOptions', () => { it('includes only the fields present in config', () => { expect(agentOptions({})).toEqual({}) expect(agentOptions({ model: 'm' })).toEqual({ model: 'm' }) - expect(agentOptions({ systemPrompt: 'sp' })).toEqual({ systemPrompt: 'sp' }) - expect(agentOptions({ model: 'm', systemPrompt: 'sp' })).toEqual({ model: 'm', systemPrompt: 'sp' }) }) }) diff --git a/packages/ui/acp/tests/turns.spec.ts b/packages/ui/acp/tests/turns.spec.ts index 494bbb8741..e182d5f2bf 100644 --- a/packages/ui/acp/tests/turns.spec.ts +++ b/packages/ui/acp/tests/turns.spec.ts @@ -66,7 +66,10 @@ describe('acp bridge — turn outcomes', () => { const toolCalls = harness.updates.filter(u => u.sessionUpdate === 'tool_call') const toolUpdates = harness.updates.filter(u => u.sessionUpdate === 'tool_call_update') expect(toolCalls).toHaveLength(1) - expect(toolCalls[0]).toMatchObject({ toolCallId: 'c1', title: 'bash', kind: 'execute', status: 'in_progress' }) + // The inline stand-in declares no presentCall, so the generic fallback + // renders kind `other` (kinds are tool-owned; the bridge never sniffs the + // name — the REAL dsh-tool-bash test below covers the execute card). + expect(toolCalls[0]).toMatchObject({ toolCallId: 'c1', title: 'bash', kind: 'other', status: 'in_progress' }) expect(toolUpdates).toHaveLength(1) expect(toolUpdates[0]).toMatchObject({ toolCallId: 'c1', status: 'completed' }) diff --git a/packages/ui/acp/tsconfig.json b/packages/ui/acp/tsconfig.json index 5989363d7f..0c82438277 100644 --- a/packages/ui/acp/tsconfig.json +++ b/packages/ui/acp/tsconfig.json @@ -29,8 +29,20 @@ { "path": "../../core/tools" }, + { + "path": "../user-interaction" + }, { "path": "../../session-persistence/session-persistence" + }, + { + "path": "../user-approval" + }, + { + "path": "../../sandbox/sandbox" + }, + { + "path": "../../bash/bash" } ] } diff --git a/packages/ui/app-boot/README.md b/packages/ui/app-boot/README.md new file mode 100644 index 0000000000..92fbc333be --- /dev/null +++ b/packages/ui/app-boot/README.md @@ -0,0 +1,15 @@ +# `@deepseek-ai/dsh-app-boot` + +Shared boot glue for the app bins ([`dsh-stdio-agent`](../stdio-agent/README.md), [`dsh-acp-agent`](../acp-agent/README.md)): each bin is a thin self-executing composition over these helpers, parameterized by its diagnostic prefix, so the loader-failure lore lives once — under the per-file coverage gate — instead of drifting between two published artifacts. + +| Export | Role | +|---|---| +| `resolveConfigPath(path, snapshotMode, cwd?)` | Absolute config path; `snapshotMode === 'replay'` swaps a `cordis.yml`/`.yaml` basename for its sibling `cordis.snapshot.yml` | +| `loadEnv(binName, dir?, warn?)` | Load the gitignored `.env` (Node `process.loadEnvFile`); absent file is fine, an unloadable one warns a single labelled line (default: stderr) | +| `installFailLoud(binName, proc?)` | Turn a post-`boot()` unhandled Loader rejection into one labelled stderr line + `exit(1)`; returns the uninstaller (for tests) | +| `assertEntriesLoaded(ctx, binName)` | Throw when a settled tree holds an enabled entry with no fiber (a plugin module that failed to import) | +| `boot(binName, absoluteConfigPath)` | Mount the Loader, include the config by absolute `file://` URL, await the whole tree, assert entries loaded, return the root context | + +Two failure classes the guards handle: `loader.await()` swallows init rejections (`Promise.allSettled`) — Node still exits non-zero on the resulting unhandled rejection, and `installFailLoud` replaces the noisy dump with one labelled line and a guaranteed `exit(1)`; a failed plugin IMPORT is only logged by the Loader (the process would otherwise exit 0 on a usable config typo), leaving a fiber-less entry that `assertEntriesLoaded` turns into a `boot()` rejection. + +Bare plugin specifiers in a config (`@deepseek-ai/dsh-*`) resolve through the cordis Loader's internal module loader, active only under `node --expose-internals`; the bins' subprocess smokes exercise that path, while this package's unit suite drives `boot()` in-process against configs with relative specifiers. diff --git a/packages/ui/app-boot/package.json b/packages/ui/app-boot/package.json new file mode 100644 index 0000000000..67b8b00dbc --- /dev/null +++ b/packages/ui/app-boot/package.json @@ -0,0 +1,34 @@ +{ + "name": "@deepseek-ai/dsh-app-boot", + "description": "Shared boot glue for the app bins: .env loading, fail-loud Loader guards, snapshot-aware config resolution, and the Loader boot sequence", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@cordisjs/plugin-include": "^1.0.4", + "@cordisjs/plugin-loader": "^1.0.0-rc.4", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@cordisjs/plugin-include": "workspace:^", + "@cordisjs/plugin-loader": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/ui/app-boot/src/index.ts b/packages/ui/app-boot/src/index.ts new file mode 100644 index 0000000000..8f3392e913 --- /dev/null +++ b/packages/ui/app-boot/src/index.ts @@ -0,0 +1,170 @@ +/** + * Shared boot glue for the app bins (`dsh-stdio-agent`, `dsh-acp-agent`): load + * the gitignored `.env`, install the fail-loud Loader guards, resolve the + * config path (snapshot-aware), and drive the cordis Loader against a leaf + * `cordis.yml` until the whole tree has settled. Each bin stays a thin + * self-executing composition over these helpers, parameterized by its + * diagnostic prefix; the loader-failure lore lives here, once, under the + * per-file coverage gate. + * + * Two failure classes the guards handle: + * + * - `loader.await()` does NOT rethrow a load error (`EntryTree.await()` uses + * `Promise.allSettled`, which swallows rejections). A plugin whose + * `[Service.init]` throws surfaces as an unhandled rejection AFTER `boot()` + * resolves — Node's default handler already exits non-zero, and + * {@link installFailLoud} replaces the noisy dump with one labelled stderr + * line and a guaranteed `exit(1)`. + * - A plugin module that fails to IMPORT is caught and only LOGGED by the + * cordis Loader (`entry._init`), leaving the entry with no `fiber` and + * producing no rejection — the process would otherwise exit 0 with a usable + * config typo reported only as a log line; {@link assertEntriesLoaded} makes + * `boot()` reject on any such entry instead of returning a half-empty + * context. + * + * @module @deepseek-ai/dsh-app-boot + */ + +import { pathToFileURL } from 'node:url' +import { basename, dirname, resolve } from 'node:path' +import { Context } from 'cordis' +import Loader from '@cordisjs/plugin-loader' + +/** + * Resolve the config to boot, honoring snapshot REPLAY. Given the requested + * path, replay mode swaps a `cordis.yml` basename for `cordis.snapshot.yml` in + * the SAME directory (the keyless replay tree). Other modes — including no + * snapshot mode at all — use the path as-is. Returns an absolute path resolved + * from `cwd`. + * @param configPath - the requested config path (absolute, or relative to `cwd`). + * @param snapshotMode - the bin's `$DSH_SNAPSHOT` value; only `'replay'` swaps the basename. + * @param cwd - the base a relative `configPath` resolves against. + * @returns the absolute path of the config to boot. + */ +export function resolveConfigPath( + configPath: string, snapshotMode: string | undefined, cwd: string = process.cwd(), +): string { + const absolute = resolve(cwd, configPath) + if (snapshotMode !== 'replay') return absolute + const dir = dirname(absolute) + const replayName = basename(absolute).replace(/cordis\.ya?ml$/, 'cordis.snapshot.yml') + return resolve(dir, replayName) +} + +/** + * Load `DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL` from a gitignored `.env` in + * `dir` (Node native `process.loadEnvFile`). An absent file is fine — the + * environment may already carry the variables; the leaf `cordis.yml` reads + * them via the `!!js` tag. A present-but-unreadable `.env` is a real + * misconfiguration: surface it via `warn` (one line, default stderr) rather + * than silently running with the wrong environment. + * @param binName - the diagnostic prefix on the warn line. + * @param dir - the directory whose `.env` to load. + * @param warn - sink for the one-line misconfiguration diagnostic. + */ +export function loadEnv( + binName: string, dir: string = process.cwd(), + warn: (line: string) => void = line => void process.stderr.write(line), +): void { + try { + process.loadEnvFile(resolve(dir, '.env')) + } catch (error) { + if ((error as NodeJS.ErrnoException | null)?.code !== 'ENOENT') { + warn(`${binName}: failed to load .env: ${String(error)}\n`) + } + // ENOENT (no .env) is fine — rely on the ambient environment. + } +} + +/** + * The slice of `process` {@link installFailLoud} needs — injectable so tests + * exercise the handler without registering on (or exiting) the real process. + */ +export interface FailLoudProcess { + on(event: 'unhandledRejection', handler: (err: unknown) => void): unknown + off(event: 'unhandledRejection', handler: (err: unknown) => void): unknown + stderr: { write(chunk: string): unknown } + exit(code: number): void +} + +/** + * Make a load failure fail loud with a clear message on stderr. Covers the + * failure path {@link assertEntriesLoaded} cannot: an include whose + * `[Service.init]` throws (e.g. a config FILE that does not exist in a real + * directory) surfaces as an unhandled promise rejection AFTER `boot()` + * resolves. Node's default handler already exits non-zero on an unhandled + * rejection; this replaces the noisy stack dump with a single labelled line on + * STDERR (never stdout — for the ACP bin that channel carries JSON-RPC) and + * guarantees `exit(1)`. Install before `boot()`. Returns the uninstaller + * (tests use it; the bins run until exit and never do). + * @param binName - the diagnostic prefix on the fatal-failure line. + * @param proc - the process slice to register on; tests inject a fake. + * @returns the uninstaller that removes the rejection handler. + */ +export function installFailLoud(binName: string, proc: FailLoudProcess = process): () => void { + const handler = (err: unknown): void => { + proc.stderr.write(`${binName}: fatal load failure: ${err instanceof Error ? err.stack ?? err.message : String(err)}\n`) + proc.exit(1) + } + proc.on('unhandledRejection', handler) + return () => void proc.off('unhandledRejection', handler) +} + +/** + * After the tree settles, assert every loader entry actually started. A + * started entry has a `fiber`; an entry with `fiber === undefined` after the + * tree settled never loaded (its module failed to import), so throw and let + * `boot()` reject instead of returning a half-empty context. A `disabled` + * entry is the one legitimate fiber-less state: `Entry.refresh()` deliberately + * skips `init()` for it — a valid "plugin turned off" config, not a failed + * import — so it is excluded. + * @param ctx - the settled context whose loader entries to audit. + * @param binName - the diagnostic prefix on the thrown error. + */ +export function assertEntriesLoaded(ctx: Context, binName: string): void { + const failed = [...ctx.loader.entries()].filter(entry => entry.fiber === undefined && !entry.disabled) + if (failed.length > 0) { + const names = failed.map(entry => entry.options.name).join(', ') + throw new Error(`${binName}: plugin(s) failed to load: ${names} (see the error(s) logged above)`) + } +} + +/** + * Boot the Loader against `absoluteConfigPath` and return the root context + * once the whole tree has settled. The include is handed the config's ABSOLUTE + * `file://` URL as its `path`, so resolution never depends on `ctx.baseUrl` + * (an absolute URL ignores the base) and can never fall back to the cwd; + * `baseUrl` is still pinned to the config's directory so the config's OWN + * relative plugin/include paths resolve against it. + * + * The `await ctx.loader.await()` is load-bearing: `loader.create()` returns + * once the include ENTRY is registered, but the include then loads its child + * plugins asynchronously — without awaiting the tree, `boot()` would resolve + * while the app's plugins are still mounting, and a CLI process with no + * attached handles yet exits 0 silently. Failures surface two ways: an entry + * whose module failed to import is caught here by {@link assertEntriesLoaded} + * (this `boot()` rejects); an init that THROWS surfaces as an unhandled + * rejection caught by {@link installFailLoud} (installed by the bin first). + * + * Bare plugin specifiers in the config (`@deepseek-ai/dsh-*`, npm packages) + * are resolved by the cordis Loader's internal module loader, which is only + * active under `node --expose-internals`; a consumer running a built bin must + * pass that flag (or install the plugins where node hoists them). Relative + * specifiers resolve against the config directory with no flag. + * @param binName - the diagnostic prefix for load-failure errors. + * @param absoluteConfigPath - the config to include; must already be absolute + * (see {@link resolveConfigPath}). + * @returns the root context once every entry has started. + */ +export async function boot(binName: string, absoluteConfigPath: string): Promise<Context> { + const ctx = new Context() + ctx.baseUrl = pathToFileURL(dirname(absoluteConfigPath)).href + '/' + await ctx.plugin(Loader) + await ctx.loader.create({ + name: '@cordisjs/plugin-include', + config: { path: pathToFileURL(absoluteConfigPath).href }, + }) + await ctx.loader.await() + assertEntriesLoaded(ctx, binName) + return ctx +} diff --git a/packages/ui/app-boot/tests/app-boot.spec.ts b/packages/ui/app-boot/tests/app-boot.spec.ts new file mode 100644 index 0000000000..510186ebb0 --- /dev/null +++ b/packages/ui/app-boot/tests/app-boot.spec.ts @@ -0,0 +1,178 @@ +import { mkdtempSync, mkdirSync, writeFileSync } from 'node:fs' +import { tmpdir } from 'node:os' +import { join, resolve, sep } from 'node:path' +import { describe, expect, it, vi } from 'vitest' +import type { Context } from 'cordis' +import { + assertEntriesLoaded, boot, installFailLoud, loadEnv, resolveConfigPath, + type FailLoudProcess, +} from '../src/index.ts' + +const NAME = 'dsh-test-bin' + +const tmp = (): string => mkdtempSync(join(tmpdir(), 'dsh-app-boot-')) + +describe('resolveConfigPath', () => { + it('resolves relative to the given cwd outside replay mode', () => { + expect(resolveConfigPath('./cordis.yml', undefined, `${sep}base`)).toBe(resolve(`${sep}base`, 'cordis.yml')) + expect(resolveConfigPath('conf/app.yaml', 'record', `${sep}base`)).toBe(resolve(`${sep}base`, 'conf/app.yaml')) + }) + + it('swaps a cordis.yml/.yaml basename for cordis.snapshot.yml in replay mode', () => { + expect(resolveConfigPath('./cordis.yml', 'replay', `${sep}base`)).toBe(resolve(`${sep}base`, 'cordis.snapshot.yml')) + expect(resolveConfigPath('deep/cordis.yaml', 'replay', `${sep}base`)).toBe(resolve(`${sep}base`, 'deep/cordis.snapshot.yml')) + }) + + it('leaves a non-cordis basename alone in replay mode and defaults cwd to the process cwd', () => { + expect(resolveConfigPath('custom.yml', 'replay', `${sep}base`)).toBe(resolve(`${sep}base`, 'custom.yml')) + expect(resolveConfigPath('./x.yml', undefined)).toBe(resolve(process.cwd(), 'x.yml')) + }) +}) + +describe('loadEnv', () => { + it('loads variables from .env in the given dir', () => { + const dir = tmp() + writeFileSync(join(dir, '.env'), 'DSH_APP_BOOT_SPEC_VAR=loaded\n') + const warn = vi.fn() + loadEnv(NAME, dir, warn) + expect(process.env['DSH_APP_BOOT_SPEC_VAR']).toBe('loaded') + expect(warn).not.toHaveBeenCalled() + delete process.env['DSH_APP_BOOT_SPEC_VAR'] + }) + + it('stays silent when no .env exists (ambient environment wins)', () => { + const warn = vi.fn() + loadEnv(NAME, tmp(), warn) + expect(warn).not.toHaveBeenCalled() + }) + + it('warns (labelled, single line) when .env exists but cannot be loaded', () => { + const dir = tmp() + mkdirSync(join(dir, '.env')) // a directory named .env: present, unreadable as a file + const warn = vi.fn() + loadEnv(NAME, dir, warn) + expect(warn).toHaveBeenCalledTimes(1) + expect(warn.mock.calls[0]?.[0]).toMatch(new RegExp(`^${NAME}: failed to load \\.env: `)) + }) + + it('defaults dir to the process cwd and warn to a stderr write', () => { + const dir = tmp() + writeFileSync(join(dir, '.env'), 'DSH_APP_BOOT_SPEC_DEFAULTS=yes\n') + const previous = process.cwd() + process.chdir(dir) + try { + loadEnv(NAME) // happy path: the default warn sink is never invoked + } finally { + process.chdir(previous) + } + expect(process.env['DSH_APP_BOOT_SPEC_DEFAULTS']).toBe('yes') + delete process.env['DSH_APP_BOOT_SPEC_DEFAULTS'] + // The default warn sink itself: point it at a broken .env with stderr + // spied, so the arrow body runs without polluting the test output. + const broken = tmp() + mkdirSync(join(broken, '.env')) + const write = vi.spyOn(process.stderr, 'write').mockImplementation(() => true) + let written: string[] + try { + loadEnv(NAME, broken) + written = write.mock.calls.map(call => String(call[0])) + } finally { + write.mockRestore() + } + expect(written).toHaveLength(1) + expect(written[0]).toContain(`${NAME}: failed to load .env: `) + }) +}) + +describe('installFailLoud', () => { + function fakeProc(): FailLoudProcess & { handlers: Array<(err: unknown) => void>; written: string[]; exits: number[] } { + const handlers: Array<(err: unknown) => void> = [] + const written: string[] = [] + const exits: number[] = [] + return { + handlers, written, exits, + on: (_event, handler) => { handlers.push(handler) }, + off: (_event, handler) => { handlers.splice(handlers.indexOf(handler), 1) }, + stderr: { write: (chunk: string) => { written.push(chunk) } }, + exit: (code: number) => { exits.push(code) }, + } + } + + it('writes one labelled line with the stack and exits 1 on an Error rejection', () => { + const proc = fakeProc() + installFailLoud(NAME, proc) + const error = new Error('boom') + proc.handlers[0]!(error) + expect(proc.written[0]).toContain(`${NAME}: fatal load failure: `) + expect(proc.written[0]).toContain(error.stack) + expect(proc.exits).toEqual([1]) + }) + + it('stringifies a non-Error rejection and an Error without a stack falls back to its message', () => { + const proc = fakeProc() + installFailLoud(NAME, proc) + proc.handlers[0]!('plain failure') + expect(proc.written[0]).toContain('plain failure') + const stackless = new Error('no stack') + delete (stackless as { stack?: string }).stack + proc.handlers[0]!(stackless) + expect(proc.written[1]).toContain('no stack') + expect(proc.exits).toEqual([1, 1]) + }) + + it('returns an uninstaller that removes the handler (and defaults to the real process)', () => { + const proc = fakeProc() + const uninstall = installFailLoud(NAME, proc) + expect(proc.handlers).toHaveLength(1) + uninstall() + expect(proc.handlers).toHaveLength(0) + // Default-proc arm: install on the real process, then immediately uninstall + // so the suite leaks no handler and can never exit the runner. + const before = process.listenerCount('unhandledRejection') + const uninstallReal = installFailLoud(NAME) + expect(process.listenerCount('unhandledRejection')).toBe(before + 1) + uninstallReal() + expect(process.listenerCount('unhandledRejection')).toBe(before) + }) +}) + +describe('assertEntriesLoaded', () => { + const ctxWith = (entries: Array<{ fiber?: unknown; disabled?: boolean; options: { name?: string } }>): Context => + ({ loader: { entries: () => entries } }) as unknown as Context + + it('passes when every enabled entry has a fiber', () => { + expect(() => { assertEntriesLoaded(ctxWith([ + { fiber: {}, options: { name: 'a' } }, + { disabled: true, options: { name: 'off' } }, + ]), NAME) }).not.toThrow() + }) + + it('throws naming every enabled fiber-less entry', () => { + expect(() => { assertEntriesLoaded(ctxWith([ + { fiber: {}, options: { name: 'ok' } }, + { options: { name: 'broken-a' } }, + { options: { name: 'broken-b' } }, + ]), NAME) }).toThrow(`${NAME}: plugin(s) failed to load: broken-a, broken-b`) + }) +}) + +describe('boot', () => { + it('boots a leaf config through the real Loader and settles the tree', async () => { + const dir = tmp() + writeFileSync(join(dir, 'noop.mjs'), 'export const name = "noop"\nexport function apply() {}\n') + writeFileSync(join(dir, 'cordis.yml'), '- id: noop\n name: ./noop.mjs\n') + const ctx = await boot(NAME, join(dir, 'cordis.yml')) + try { + const entries = [...ctx.loader.entries()] + expect(entries.some(entry => entry.options.name === './noop.mjs' && entry.fiber !== undefined)).toBe(true) + } finally { + await ctx.fiber.dispose() + } + }) + + it('rejects (never exits 0 half-empty) when a config names a plugin that cannot be imported', async () => { + const dir = tmp() + writeFileSync(join(dir, 'cordis.yml'), '- id: ghost\n name: ./missing.mjs\n') + await expect(boot(NAME, join(dir, 'cordis.yml'))).rejects.toThrow(`${NAME}: plugin(s) failed to load: ./missing.mjs`) + }) +}) diff --git a/packages/ui/app-boot/tsconfig.json b/packages/ui/app-boot/tsconfig.json new file mode 100644 index 0000000000..3171312de4 --- /dev/null +++ b/packages/ui/app-boot/tsconfig.json @@ -0,0 +1,21 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/loader" + }, + { + "path": "../../../vendor/include" + } + ] +} diff --git a/packages/ui/stdio-agent/README.md b/packages/ui/stdio-agent/README.md index 550b52c1ea..27f0d20be7 100644 --- a/packages/ui/stdio-agent/README.md +++ b/packages/ui/stdio-agent/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-stdio-agent -The **terminal stdio chat app**: a Cordis app plugin that composes the providerless agent spine ([`@deepseek-ai/dsh-agent-core`](../../core/agent-core/README.md)) with the front-door cluster a terminal chat needs, and a `bin` that boots a leaf `cordis.yml`. +The **terminal stdio chat app**: a Cordis app plugin that composes the default agent spine ([`@deepseek-ai/dsh-agent-core`](../../core/agent-core/README.md)) with the front-door cluster a terminal chat needs, and a `bin` that boots a leaf `cordis.yml`. It is the readline counterpart to [`@deepseek-ai/dsh-acp-agent`](../acp-agent/README.md): both consume the same spine, but each bakes in the OPPOSITE front-door cluster. @@ -11,9 +11,11 @@ A terminal chat always wants the same cluster, so the package owns it rather tha | Plugin | Why it is here | |---|---| | `@cordisjs/plugin-logger-console` | the console logger — stdout is just the terminal here, so logging to it is correct (the ACP app must NOT have this) | -| `@deepseek-ai/dsh-agent-core` | the spine, pre-creating a `main` agent from this app's `model`/`systemPrompt` | +| `@deepseek-ai/dsh-agent-core` | the spine, pre-creating a `main` agent from this app's `model` with `process.cwd()` as the fresh session cwd and carrying its `persona` | | `@deepseek-ai/dsh-session-persistence-jsonl` | durable JSONL session log under `persistenceRoot` | -| `@deepseek-ai/dsh-ui-stdio` | the readline UI, bound to the `main` agent | +| `@deepseek-ai/dsh-user-interaction` | the human question/answer seam used by confirmation tools | +| `@deepseek-ai/dsh-tool-ask-user` | the model-facing `ask_user_question` tool | +| `stdio-chat` (in-package module) | the readline UI, bound to the `main` agent | `@cordisjs/plugin-hmr` (the dev/demo edit-reload loop) is deliberately a **leaf** entry, NOT baked in here: it is a Loader-only, subprocess-only dev plugin — its constructor throws without `node --expose-internals` + a live `loader`, and the in-process test tier cannot even import it (so a package whose `apply` statically pulled it in could never carry the per-file coverage gate). Unlike the console logger, a stray `hmr` is not a stdout-purity footgun, so leaving it at the leaf costs no safety. The `demo:echo` / `demo:repl` leaves load it and pass `--expose-internals`. @@ -24,11 +26,14 @@ The leaf `cordis.yml` supplies only the **swappable backends** — an LLM adapte | Key | Default | Routed to | |---|---|---| | `model` | (required) | the pre-created `main` agent's model | -| `systemPrompt` | (required) | the `main` agent's system prompt | +| `persona` | — | the deployment persona template (may reference `{{model}}`), routed to `dsh-system-prompt` | +| `toolOrder` | — | explicit model-facing tool order (a name list with one `'<unlisted-tools>'` rest entry; absent — lexicographic; an unregistered name fails each turn at prompt assembly), routed to `dsh-system-prompt` | | `persistenceRoot` | `./.sessions` | the JSONL backend's root directory | | `welcome` | `ready.` | the stdin-chat banner | | `resumeSessionId` | — | resume a persisted session id instead of starting fresh (sourced from an env var in the leaf) | +Fresh stdio sessions use the process launch directory as `session.header.cwd`, so project-scoped features such as skill discovery and default bash workdir follow the directory where `dsh-stdio-agent` was started. Resumed sessions keep the cwd stored in the persisted session header. + ## The bin `dsh-stdio-agent [path-to-cordis.yml]` (default `./cordis.yml`) loads a gitignored `.env` from the cwd (`DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL`), then drives the cordis Loader against the config and awaits the whole plugin tree before returning. Run it under `node --expose-internals`: the cordis Loader resolves the config's bare plugin specifiers (`@deepseek-ai/dsh-*`, npm packages) through its internal module loader, which is only active under that flag. The `demo:echo` / `demo:repl` scripts invoke it that way. @@ -54,7 +59,7 @@ The leaf `cordis.yml` supplies only the **swappable backends** — an LLM adapte name: '@deepseek-ai/dsh-stdio-agent' config: model: deepseek-v4-flash - systemPrompt: 'You are a CLI coding assistant. Your only tools are bash…' + persona: 'You are a coding assistant powered by the {{model}} model.' ``` Swap `llm-deepseek` for a `mock-llm` leaf plugin and you have the echo demo — "swap the backend, keep the app". diff --git a/packages/ui/stdio-agent/package.json b/packages/ui/stdio-agent/package.json index bc9c98a411..fcd432a9fd 100644 --- a/packages/ui/stdio-agent/package.json +++ b/packages/ui/stdio-agent/package.json @@ -32,24 +32,33 @@ "peerDependencies": { "@cordisjs/plugin-include": "^1.0.4", "@cordisjs/plugin-loader": "^1.0.0-rc.4", + "@deepseek-ai/dsh-app-boot": "^0.0.1", "@cordisjs/plugin-logger-console": "^1.0.0", "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", "@deepseek-ai/dsh-agent-core": "^0.0.1", "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", "@deepseek-ai/dsh-session-persistence-jsonl": "^0.0.1", - "@deepseek-ai/dsh-ui-stdio": "^0.0.1", + "@deepseek-ai/dsh-tool-ask-user": "^0.0.1", + "@deepseek-ai/dsh-user-interaction": "^0.0.1", "cordis": "^4.0.0-rc.6", "schemastery": "^3.17.0" }, "devDependencies": { "@cordisjs/plugin-include": "workspace:^", "@cordisjs/plugin-loader": "workspace:^", + "@deepseek-ai/dsh-app-boot": "workspace:^", "@cordisjs/plugin-logger-console": "workspace:^", "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-agent-core": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^", - "@deepseek-ai/dsh-ui-stdio": "workspace:^", + "@deepseek-ai/dsh-tool-ask-user": "workspace:^", + "@deepseek-ai/dsh-user-interaction": "workspace:^", "cordis": "^4.0.0-rc.6", "schemastery": "^3.17.0" } diff --git a/packages/ui/stdio-agent/src/bin.ts b/packages/ui/stdio-agent/src/bin.ts index a07bb2e600..7056486996 100644 --- a/packages/ui/stdio-agent/src/bin.ts +++ b/packages/ui/stdio-agent/src/bin.ts @@ -2,139 +2,24 @@ /** * The `dsh-stdio-agent` bin: boot a Cordis app from a leaf `cordis.yml` that * loads the {@link @deepseek-ai/dsh-stdio-agent} app plugin (plus a backend LLM - * adapter and a bash executor). Owns the boot glue the three `examples/*` once - * duplicated in their `start.ts`: load the gitignored repo-root `.env`, then - * drive the cordis Loader against the config path (default `./cordis.yml`). + * adapter and a bash executor). The boot glue — `.env` loading, the fail-loud + * Loader guards, the settle-the-tree boot sequence — lives in + * {@link @deepseek-ai/dsh-app-boot}, shared with the ACP bin. * - * Usage: `dsh-stdio-agent [path-to-cordis.yml]`. The `demo:echo` / `demo:repl` - * scripts invoke it with the example's config. + * Usage: `dsh-stdio-agent [path-to-cordis.yml]` (default `./cordis.yml`). The + * `demo:echo` / `demo:repl` scripts invoke it with the example's config. * * @module @deepseek-ai/dsh-stdio-agent/bin */ -import { pathToFileURL } from 'node:url' -import { dirname, resolve } from 'node:path' -import { Context } from 'cordis' -import Loader from '@cordisjs/plugin-loader' +import { boot, installFailLoud, loadEnv, resolveConfigPath } from '@deepseek-ai/dsh-app-boot' -/** - * Load `DEEPSEEK_API_KEY` / `DEEPSEEK_BASE_URL` from a gitignored `.env` in the - * CURRENT WORKING DIRECTORY (Node native `process.loadEnvFile`). An absent file - * is fine — the environment may already carry the variables; the leaf - * `cordis.yml` reads them via the `!!js` tag. A present-but-unreadable/malformed - * `.env` is a real misconfiguration: surface it on stderr rather than silently - * running with the wrong environment. The mock-model demo (echo) ships no key - * and simply has no `.env`. - */ -function loadEnv(): void { - try { - process.loadEnvFile(resolve(process.cwd(), '.env')) - } catch (error) { - if ((error as NodeJS.ErrnoException | null)?.code !== 'ENOENT') { - process.stderr.write(`dsh-stdio-agent: failed to load .env: ${String(error)}\n`) - } - // ENOENT (no .env) is fine — rely on the ambient environment. - } -} +const NAME = 'dsh-stdio-agent' -/** - * Make a load failure fail loud with a clear message on stderr. Covers the - * failure path the entry-tree check below cannot: when the include's - * `[Service.init]` throws (e.g. a config FILE that does not exist in a real - * directory), the cordis Loader surfaces it as an unhandled promise rejection - * AFTER `boot()` has resolved — `loader.await()` does NOT rethrow it, because - * `EntryTree.await()` uses `Promise.allSettled`, which swallows rejections. - * Node's default handler already exits non-zero on an unhandled rejection, so - * this does not change the exit code; it replaces Node's noisy stack dump with a - * single labelled line and guarantees `process.exit(1)`. Install before `boot()`. - */ -export function installFailLoud(): void { - process.on('unhandledRejection', (err: unknown) => { - process.stderr.write(`dsh-stdio-agent: fatal load failure: ${err instanceof Error ? err.stack ?? err.message : String(err)}\n`) - process.exit(1) - }) -} - -/** - * After the tree settles, assert every loader entry actually started. This is - * the load-bearing guard against the SILENT-exit-0 bug: when a plugin module - * fails to IMPORT (e.g. a config path in a non-existent directory, so the include - * plugin itself cannot be resolved), the cordis Loader catches the import error - * and only LOGS it (`entry._init`), leaving the entry with no `fiber` and - * producing no rejection — so the process would otherwise exit 0 with a usable - * config typo reported only as a log line. A started entry has a `fiber`; an - * entry with `fiber === undefined` after the tree settled never loaded. Throw on - * any such entry so `boot()` rejects (and the top-level `await` fails the process - * non-zero) instead of returning a half-empty context. - * - * A `disabled` entry is the one legitimate fiber-less state: `Entry.refresh()` - * deliberately skips `init()` for it, so it settles without a fiber by design. - * That is a valid config (a consumer turning an optional plugin off), not a - * failed import — exclude it so the guard catches only real load failures. - */ -function assertEntriesLoaded(ctx: Context): void { - const failed = [...ctx.loader.entries()].filter(entry => entry.fiber === undefined && !entry.disabled) - if (failed.length > 0) { - const names = failed.map(entry => entry.options.name).join(', ') - throw new Error(`dsh-stdio-agent: plugin(s) failed to load: ${names} (see the error(s) logged above)`) - } -} - -/** - * Boot the Loader against `configPath` (resolved from the CWD). The include is - * handed the config's ABSOLUTE `file://` URL as its `path`, so resolution never - * depends on `ctx.baseUrl` (an absolute URL ignores the base) and can never fall - * back to the cwd. `baseUrl` is still pinned to the config's directory so the - * config's OWN relative plugin/include paths (e.g. `./src/mock-llm.ts`) resolve - * against it. Returns the root context once the whole tree has settled. - * - * The `await ctx.loader.await()` is load-bearing: `loader.create()` returns once - * the include ENTRY is registered, but the include then loads its child plugins - * asynchronously. Without awaiting the tree, `boot()` (and `main()`) would - * resolve while the app plugins — the stdin reader, the agent loop — are still - * mounting, and a CLI process with no attached handles yet exits 0 silently. - * Awaiting the tree keeps the process alive until the app's handles are attached. - * - * `loader.await()` does NOT, however, rethrow load errors (`EntryTree.await()` - * uses `Promise.allSettled`), so failures are surfaced two ways: a plugin that - * fails to IMPORT leaves an entry with no fiber, caught here by - * {@link assertEntriesLoaded} (this `boot()` rejects); a plugin whose init - * THROWS surfaces as an unhandled rejection caught by {@link installFailLoud} - * (installed by `main()` before this runs). Together they make any load failure - * exit non-zero with a clear message. - * - * Bare plugin specifiers in the config (`@deepseek-ai/dsh-*`, npm packages) are - * resolved by the cordis Loader's internal module loader, which is only active - * under `node --expose-internals` (the flag the `demo:echo`/`demo:repl` scripts - * pass). Without it the Loader falls back to resolving relative to its own module - * and cannot find the config's plugins, so a consumer running the built bin must - * pass `--expose-internals` (or install the plugins where node hoists them). - */ -export async function boot(configPath: string): Promise<Context> { - const absolute = resolve(process.cwd(), configPath) - const ctx = new Context() - ctx.baseUrl = pathToFileURL(dirname(absolute)).href + '/' - await ctx.plugin(Loader) - await ctx.loader.create({ - name: '@cordisjs/plugin-include', - config: { path: pathToFileURL(absolute).href }, - }) - await ctx.loader.await() - assertEntriesLoaded(ctx) - return ctx -} - -/** - * Entry point: install the fail-loud guard, load `.env`, then boot the config - * named on argv (default `./cordis.yml`). Awaited at the module top level by the - * published bin (`#!/usr/bin/env node` shebang via the package's `bin` field). - */ -export async function main(argv: string[] = process.argv.slice(2)): Promise<void> { - installFailLoud() - loadEnv() - await boot(argv[0] ?? './cordis.yml') -} - -/* v8 ignore start -- top-level CLI invocation; the testable core is boot()/main(), driven by the keyless Loader-path smoke */ -await main() +/* v8 ignore start -- thin self-executing composition over the unit-tested + dsh-app-boot helpers; exercised end-to-end by the keyless Loader-path and + built-bin smokes */ +installFailLoud(NAME) +loadEnv(NAME) +await boot(NAME, resolveConfigPath(process.argv[2] ?? './cordis.yml', undefined)) /* v8 ignore stop */ diff --git a/packages/ui/stdio-agent/src/index.ts b/packages/ui/stdio-agent/src/index.ts index df42b3115b..1037c28112 100644 --- a/packages/ui/stdio-agent/src/index.ts +++ b/packages/ui/stdio-agent/src/index.ts @@ -1,12 +1,13 @@ /** - * The stdio chat app: the providerless agent spine ({@link + * The stdio chat app: the default agent spine ({@link * @deepseek-ai/dsh-agent-core}) plus the coupled front-door cluster a terminal - * chat needs — a console logger, the readline `ui-stdio` UI, JSONL session + * chat needs — a console logger, the readline UI (the in-package `stdio-chat` + * module), JSONL session * persistence, and a pre-created `main` agent the UI drives. * * The cluster is BAKED IN, not left to the leaf: a stdio app always logs to the * console (stdout is just the terminal) and always pre-creates the `main` agent - * `ui-stdio` sends to. The leaf supplies the swappable backends (the LLM + * the readline UI sends to. The leaf supplies the swappable backends (the LLM * adapter, the bash executor), optional product tools, the optional `hmr` * dev-reload plugin, and this app's {@link Config} (model, prompt, persistence * root, welcome banner). @@ -29,8 +30,10 @@ * Plugin export shape: named `name`/`Config`/`apply`, NO default export — the * cordis Loader's `unwrapExports` does `exports.default ?? exports`, so a stray * default would collapse the module to the bare `apply` and drop the `Config` - * namespace (see docs/postmortem/0001). The keyless Loader-path smoke in the - * echo example guards this end-to-end. + * namespace (see docs/postmortem/0001). This app carries no `inject`, so a + * collapsed shape would BOOT rather than crash a smoke — the shape is pinned by + * the explicit `unwrapExports` assertion in this package's unit suite, and the + * keyless echo smoke proves the composed tree runs through the real Loader. * * @module @deepseek-ai/dsh-stdio-agent */ @@ -40,27 +43,40 @@ import ConsoleExporter from '@cordisjs/plugin-logger-console' import z from 'schemastery' import { AgentId } from '@deepseek-ai/dsh-agent' import { SessionId } from '@deepseek-ai/dsh-session' +import ToolRegistry, { type Config as ToolsConfig } from '@deepseek-ai/dsh-tools' import * as agentCore from '@deepseek-ai/dsh-agent-core' import SessionPersistenceJsonl from '@deepseek-ai/dsh-session-persistence-jsonl' -import * as uiStdio from '@deepseek-ai/dsh-ui-stdio' +import UserInteractionService from '@deepseek-ai/dsh-user-interaction' +import * as toolAskUser from '@deepseek-ai/dsh-tool-ask-user' +import * as uiStdio from './stdio-chat.ts' export const name = 'stdio-agent' /** * App config: the swappable per-demo values, each routed to where the app wires - * it. `model`/`systemPrompt`/`resumeSessionId` configure the pre-created `main` - * agent (through {@link @deepseek-ai/dsh-agent-core}'s forwarded `agents` list); - * `persistenceRoot` is the JSONL backend's directory; `welcome` is the UI banner. + * it. `model`/`resumeSessionId` configure the pre-created `main` agent (through + * {@link @deepseek-ai/dsh-agent-core}'s forwarded `agents` list); `persona` is + * the deployment persona (forwarded to the system-prompt plugin); `toolOrder` + * is the explicit model-facing tool order (forwarded to the system-prompt plugin); + * fresh sessions use `process.cwd()` as their workspace cwd; resumed sessions + * keep their persisted cwd. `persistenceRoot` is the JSONL backend's directory; + * `welcome` is the UI banner. */ export interface Config { /** Model name for the `main` agent (must have a registered adapter). */ model: string - /** System prompt for the `main` agent. */ - systemPrompt: string + /** Deployment persona (the system-prompt plugin's `persona` config). */ + persona?: string + /** Explicit model-facing tool order (the system-prompt plugin's `toolOrder` config; see dsh-system-prompt). */ + toolOrder?: string[] + /** Tool-registry config — its presentation `mode` (forwarded through agent-core; see dsh-tools). */ + tools?: ToolsConfig /** Directory the JSONL session backend writes under. Defaults to `./.sessions`. */ persistenceRoot?: string /** stdin-chat banner printed once on start. Defaults to `'ready.'`. */ welcome?: string + /** Skill registry, local-provider, and model-facing consumer config forwarded to agent-core. */ + skills?: agentCore.SkillConfig /** * If set, the `main` agent RESUMES this persisted session id instead of * starting fresh. Sourced from an env var in the leaf `cordis.yml` @@ -71,29 +87,41 @@ export interface Config { export const Config: z<Config> = z.object({ model: z.string().required(), - systemPrompt: z.string().required(), + persona: z.string(), + // The array default is forced to undefined: ABSENT means "lexicographic + // order" (the owning dsh-system-prompt schema does the same), while + // schemastery's native [] default would read as an invalid configured list. + toolOrder: z.array(z.string()).default(undefined as unknown as string[]), + tools: ToolRegistry.Config, persistenceRoot: z.string().default('./.sessions'), welcome: z.string().default('ready.'), + skills: agentCore.SkillConfigSchema, resumeSessionId: z.string(), }) /** * Compose the spine with the stdio front door. The console logger comes first * (infra), then the agent-core bundle pre-creating the `main` agent from this - * app's `model`/`systemPrompt`/`resumeSessionId`, then the JSONL backend, then - * the `ui-stdio` UI bound to `main`. The `hmr` dev-reload plugin is a leaf - * concern (see the module doc), so it is not mounted here. + * app's `model`/`resumeSessionId` with the deployment `persona`, then the JSONL + * backend, then the readline UI bound to `main`. The `hmr` dev-reload plugin is + * a leaf concern (see the module doc), so it is not mounted here. */ export function apply(ctx: Context, config: Config): void { ctx.plugin(ConsoleExporter) ctx.plugin(agentCore, { + ...config.persona !== undefined ? { persona: config.persona } : {}, + ...config.toolOrder !== undefined ? { toolOrder: config.toolOrder } : {}, + ...config.tools !== undefined ? { tools: config.tools } : {}, agents: [{ id: AgentId('main'), model: config.model, - systemPrompt: config.systemPrompt, + cwd: process.cwd(), ...config.resumeSessionId !== undefined ? { resumeSessionId: SessionId(config.resumeSessionId) } : {}, }], + ...config.skills !== undefined ? { skills: config.skills } : {}, }) ctx.plugin(SessionPersistenceJsonl, { root: config.persistenceRoot ?? './.sessions' }) + ctx.plugin(UserInteractionService) + ctx.plugin(toolAskUser) ctx.plugin(uiStdio, { welcome: config.welcome ?? 'ready.', agent: 'main' }) } diff --git a/packages/support/ui-stdio/src/index.ts b/packages/ui/stdio-agent/src/stdio-chat.ts similarity index 54% rename from packages/support/ui-stdio/src/index.ts rename to packages/ui/stdio-agent/src/stdio-chat.ts index 8bee2e4baa..4c37f40d37 100644 --- a/packages/support/ui-stdio/src/index.ts +++ b/packages/ui/stdio-agent/src/stdio-chat.ts @@ -1,23 +1,18 @@ /** - * Minimal stdio UI plugin: reads lines from stdin → `agent.send()`/`steer()`, - * and renders the durable transcript to stdout. A UI is "just a plugin" — it - * consumes the `session/event` feed (the assistant token stream, turn/step - * boundaries, tool activity, todos) plus a few `agent/*` control events - * (`agent/status`, `agent/created`/`agent/disposed`) and the `agents` service, - * so the same plugin drives any example or product surface. + * The stdio app's readline UI: reads lines from stdin → `agent.send()`/ + * `steer()`, and renders the durable transcript to stdout. A UI is "just a + * plugin" — it consumes the `session/event` feed (the assistant token stream, + * turn/step boundaries, tool activity, todos) plus a few `agent/*` control + * events (`agent/status`, `agent/created`/`agent/disposed`) and the `agents` + * service. Dimmed chain-of-thought rendering plus robust piped-stdin EOF→idle + * exit handling, configured via {@link Config}. * - * Consolidates what were two near-identical copies under `examples/echo-agent` - * and `examples/coding-agent` (the latter a superset). This package IS that - * superset: dimmed chain-of-thought rendering plus the robust piped-stdin - * EOF→idle exit handling, configured per consumer via {@link Config}. + * An internal module of the stdio app, not a package of its own: the app's + * front-door cluster always includes this UI, and nothing else composes it. + * The export shape stays named `name`/`inject`/`Config`/`apply` — the plugin + * contract the app's `ctx.plugin(uiStdio, …)` mount consumes. * - * Plugin export shape: named `name`/`inject`/`Config`/`apply`, NO default - * export — the cordis Loader's `unwrapExports` does `exports.default ?? exports`, - * so a stray default would collapse the module to the bare function and drop - * the `inject` namespace (see docs/postmortem/0001). The keyless Loader-path - * e2e smokes in `examples/{echo,coding}-agent` guard this end-to-end. - * - * @module @deepseek-ai/dsh-ui-stdio + * @module @deepseek-ai/dsh-stdio-agent/stdio-chat */ import { createInterface } from 'node:readline' @@ -25,9 +20,17 @@ import type { Readable, Writable } from 'node:stream' import type { Context } from 'cordis' import z from 'schemastery' import { AgentId } from '@deepseek-ai/dsh-agent' +import { + UserInteractionError, + type AskUserQuestionAnswer, + type AskUserQuestionAnswerItem, + type AskUserQuestionItem, + type AskUserQuestionOption, + type AskUserQuestionRequest, +} from '@deepseek-ai/dsh-user-interaction' export const name = 'ui-stdio' -export const inject = ['agents'] +export const inject = ['agents', 'userInteraction'] /** Serializable plugin configuration (cordis-native, schemastery). */ export interface Config { @@ -62,12 +65,30 @@ function isTTYPair(input: Readable, output: Writable): boolean { return Boolean((input as { isTTY?: boolean }).isTTY && (output as { isTTY?: boolean }).isTTY) } +interface PendingQuestion { + request: AskUserQuestionRequest + questionIndex: number + answers: AskUserQuestionAnswerItem[] + resolve(answer: AskUserQuestionAnswer): void + reject(error: unknown): void + onAbort: () => void +} + +type OptionSelection = + | { kind: 'selected'; options: AskUserQuestionOption[] } + | { kind: 'custom' } + | { kind: 'invalid' } + /** * The plugin body, parameterized over its I/O runtime. `apply` is the thin * production wrapper that binds the real `process` streams; tests call this * directly with fakes. Returns nothing — all registration is via `ctx.on`/ * `ctx.effect`, so fiber disposal tears every listener and the readline * interface down. + * @param ctx - the context supplying the `agents` service and the event feeds. + * @param config - the plugin config; defaults are re-applied here for direct + * callers that bypass Loader validation. + * @param runtime - the process-I/O seam (line source, render sink, exit hook). */ export function createStdioChat(ctx: Context, config: Config, runtime: StdioRuntime): void { // Default here too (not just via schemastery's `.default()`): this helper is @@ -155,6 +176,8 @@ export function createStdioChat(ctx: Context, config: Config, runtime: StdioRunt let submittedWork = false let sawRunning = false let exitTimer: ReturnType<typeof setTimeout> | undefined + let activeQuestion: PendingQuestion | undefined + const questionQueue: PendingQuestion[] = [] const maybeExit = (): void => { if (disposed || !stdinClosed) return @@ -181,7 +204,152 @@ export function createStdioChat(ctx: Context, config: Config, runtime: StdioRunt if (status === 'idle') maybeExit() }) + const activeQuestionItem = (pending: PendingQuestion): AskUserQuestionItem => + pending.request.questions[pending.questionIndex] as AskUserQuestionItem + + const renderQuestion = (pending: PendingQuestion): void => { + const question = activeQuestionItem(pending) + const options = question.options ?? [] + output.write('\n') + output.write(question.header ? `[${question.header}] ${question.question}\n` : `${question.question}\n`) + options.forEach((option, index) => { + output.write(` ${index + 1}. ${option.label}\n`) + if (option.description) output.write(` ${option.description}\n`) + }) + output.write('> ') + } + + const removeAbortListener = (pending: PendingQuestion): void => { + pending.request.signal?.removeEventListener('abort', pending.onAbort) + } + + const startNextQuestion = (): void => { + if (activeQuestion !== undefined) return + const pending = questionQueue.shift() + if (pending === undefined) return + // The queue never contains an aborted pending ask: the seam rejects an + // already-aborted request synchronously, and queued asks attach their + // abort listener before enqueueing. + activeQuestion = pending + renderQuestion(pending) + } + + const disposeQuestion = (pending: PendingQuestion): void => { + removeAbortListener(pending) + pending.reject(new UserInteractionError('ask_user_question was interrupted before the user answered', 'ASK_ABORTED')) + } + + const disposePendingQuestions = (): void => { + if (activeQuestion !== undefined) { + disposeQuestion(activeQuestion) + activeQuestion = undefined + } + for (const pending of questionQueue.splice(0)) { + disposeQuestion(pending) + } + } + + const finishQuestion = (pending: PendingQuestion): void => { + activeQuestion = undefined + removeAbortListener(pending) + pending.resolve({ answers: pending.answers }) + output.write('\n') + startNextQuestion() + } + + const answerCurrentQuestion = (pending: PendingQuestion, answer: AskUserQuestionAnswerItem): void => { + pending.answers.push(answer) + pending.questionIndex += 1 + if (pending.questionIndex >= pending.request.questions.length) { + finishQuestion(pending) + return + } + renderQuestion(pending) + } + + const selectedOptions = (text: string, options: AskUserQuestionOption[], multiSelect: boolean): OptionSelection => { + if (text === '') return { kind: 'invalid' } + if (!multiSelect) { + if (!/^\d+$/.test(text)) return { kind: 'custom' } + const selected = options[Number(text) - 1] + return selected === undefined ? { kind: 'invalid' } : { kind: 'selected', options: [selected] } + } + const indices = text.split(/[,\s]+/).filter(Boolean) + if (indices.length === 0) return { kind: 'invalid' } + if (indices.some(part => !/^\d+$/.test(part))) return { kind: 'custom' } + const uniqueIndices = [...new Set(indices)] + const selected = uniqueIndices.map(part => options[Number(part) - 1]) + return selected.some(option => option === undefined) + ? { kind: 'invalid' } + : { kind: 'selected', options: selected as AskUserQuestionOption[] } + } + + const answerQuestion = (line: string): void => { + const pending = activeQuestion as PendingQuestion + const question = activeQuestionItem(pending) + + const text = line.trim() + const options = question.options ?? [] + const selection = options.length > 0 + ? selectedOptions(text, options, question.multiSelect ?? false) + : { kind: text === '' ? 'invalid' : 'custom' } as OptionSelection + if (selection.kind === 'selected') { + answerCurrentQuestion(pending, { id: question.id, selected: selection.options.map(option => option.label) }) + return + } + + if (selection.kind === 'custom' && text !== '') { + answerCurrentQuestion(pending, { id: question.id, selected: [], custom: text }) + return + } + + output.write(options.length > 0 + ? 'Please enter one of the option numbers' + + (question.multiSelect ? ' (comma or space separated)' : '') + + ' or a custom answer' + + '.\n> ' + : 'Please enter an answer.\n> ') + } + + const disposeUserInteractionProvider = ctx.userInteraction.registerProvider({ + ask(request) { + if (disposed || stdinClosed) { + return Promise.reject( + new UserInteractionError('ask_user_question cannot be answered because stdin is closed', 'ASK_ABORTED'), + ) + } + return new Promise<AskUserQuestionAnswer>((resolve, reject) => { + const pending: PendingQuestion = { + request, + questionIndex: 0, + answers: [], + resolve, + reject, + onAbort: () => { + if (activeQuestion === pending) { + activeQuestion = undefined + disposeQuestion(pending) + startNextQuestion() + return + } + // If it is not active, this listener can only fire while the ask + // remains queued; settled asks remove the listener first. + questionQueue.splice(questionQueue.indexOf(pending), 1) + disposeQuestion(pending) + }, + } + request.signal?.addEventListener('abort', pending.onAbort, { once: true }) + questionQueue.push(pending) + startNextQuestion() + }) + }, + }) + reader.on('line', (line) => { + if (activeQuestion !== undefined) { + answerQuestion(line) + return + } const text = line.trim() if (!text) return const agent = ctx.agents.get(agentId) @@ -200,12 +368,15 @@ export function createStdioChat(ctx: Context, config: Config, runtime: StdioRunt // Fires for BOTH stdin EOF and plugin disposal (reader.close() below); // `disposed` guards teardown so HMR/dispose never exits the process. stdinClosed = true + if (!disposed) disposePendingQuestions() maybeExit() }) output.write(`${welcome}\n> `) return () => { disposed = true if (exitTimer !== undefined) clearTimeout(exitTimer) + disposePendingQuestions() + disposeUserInteractionProvider() disposeStatusListener() reader.close() } diff --git a/packages/ui/stdio-agent/tests/built-bin.e2e.ts b/packages/ui/stdio-agent/tests/built-bin.e2e.ts index 7605b35bb7..31cdf3eb08 100644 --- a/packages/ui/stdio-agent/tests/built-bin.e2e.ts +++ b/packages/ui/stdio-agent/tests/built-bin.e2e.ts @@ -35,7 +35,7 @@ const stdioBin = join(repoRoot, 'packages/ui/stdio-agent/lib/bin.js') const dshPackages = [ 'core/agent-core', 'core/agent', 'core/session', 'core/system-prompt', 'core/tools', 'core/agent-loop', 'llm/llm', 'bash/bash', 'bash/bash-local', - 'bash/tool-bash', 'support/invariants', 'support/ui-stdio', + 'bash/tool-bash', 'support/invariants', 'ui/app-boot', 'session-persistence/session-persistence', 'session-persistence/session-persistence-jsonl', 'ui/stdio-agent', ] @@ -76,9 +76,10 @@ async function makeConsumer(welcome: string, disabledBrokenEntry = false): Promi await mkdir(dirname(target), { recursive: true }) await symlink(abs, target) } - // The example's mock model + echo tool are example-local TS plugins (Node 24+ - // strips types natively, so plain `node` loads them); they import the workspace - // packages the symlinked node_modules now provides. + // The example's mock model + echo tool are example-local TS plugins (Node + // 22.19+ — the engines floor — strips types natively, so plain `node` loads + // them); they import the workspace packages the symlinked node_modules now + // provides. await cp(join(repoRoot, 'examples/echo-agent/src'), join(dir, 'src'), { recursive: true }) await writeFile(join(dir, 'cordis.yml'), [ '- id: mock-llm', @@ -91,7 +92,7 @@ async function makeConsumer(welcome: string, disabledBrokenEntry = false): Promi ' name: \'@deepseek-ai/dsh-stdio-agent\'', ' config:', ' model: mock-echo', - ' systemPrompt: \'demo\'', + ' persona: \'demo\'', ` welcome: '${welcome}'`, ...disabledBrokenEntry ? ['- id: off', ' name: \'./src/does-not-exist.ts\'', ' disabled: true'] @@ -110,7 +111,7 @@ function runBuiltBin(cwd: string, configArg: string, line: string): Promise<{ st const child = spawn(process.execPath, ['--expose-internals', stdioBin, configArg], { cwd, // Mock model: never calls the network, so no key needed. - env: { ...process.env }, + env: { ...process.env, DSH_HOME: join(cwd, '.dsh'), DSH_AGENTS_HOME: join(cwd, '.agents') }, stdio: ['pipe', 'pipe', 'pipe'], }) let stdout = '' diff --git a/packages/support/ui-stdio/tests/readline.spec.ts b/packages/ui/stdio-agent/tests/readline.spec.ts similarity index 89% rename from packages/support/ui-stdio/tests/readline.spec.ts rename to packages/ui/stdio-agent/tests/readline.spec.ts index 5e092fb913..a958c435c1 100644 --- a/packages/support/ui-stdio/tests/readline.spec.ts +++ b/packages/ui/stdio-agent/tests/readline.spec.ts @@ -2,7 +2,7 @@ import { EventEmitter } from 'node:events' import type { Readable, Writable } from 'node:stream' import { describe, expect, it, vi } from 'vitest' import type { Context } from 'cordis' -import type { StdioRuntime } from '../src/index.ts' +import type { StdioRuntime } from '../src/stdio-chat.ts' const createInterface = vi.hoisted(() => vi.fn(() => { const reader = new EventEmitter() as EventEmitter & { close(): void } @@ -19,6 +19,7 @@ function fakeContext(): Context { // The UI seeds its label map from the registry at install; this suite only // exercises readline terminal-mode selection, so an empty roster suffices. agents: { list: vi.fn(() => []) }, + userInteraction: { registerProvider: vi.fn(() => vi.fn()) }, } as unknown as Context } @@ -32,7 +33,7 @@ function fakeRuntime(inputIsTTY: boolean, outputIsTTY: boolean): StdioRuntime { describe('createStdioChat readline mode', () => { it('enables terminal editing only when both stdio streams are TTYs', async () => { - const { createStdioChat } = await import('../src/index.ts') + const { createStdioChat } = await import('../src/stdio-chat.ts') const tty = fakeRuntime(true, true) createStdioChat(fakeContext(), {}, tty) diff --git a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts index f72de0a1da..c08115526f 100644 --- a/packages/ui/stdio-agent/tests/stdio-agent.spec.ts +++ b/packages/ui/stdio-agent/tests/stdio-agent.spec.ts @@ -1,20 +1,28 @@ import { describe, it, expect } from 'vitest' +import { mkdtemp } from 'node:fs/promises' +import { join } from 'node:path' +import { tmpdir } from 'node:os' import { Context } from 'cordis' import Loader from '@cordisjs/plugin-loader' import { AgentId } from '@deepseek-ai/dsh-agent' +import type { Message } from '@deepseek-ai/dsh-llm' +import { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt' import * as stdioAgent from '../src/index.ts' /** * Unit coverage for the @deepseek-ai/dsh-stdio-agent app plugin: mounting it * composes the console logger, the agent-core spine (pre-creating the `main` * agent from the app config), the JSONL backend, and the readline UI in one - * `ctx.plugin`. The forwarded `model`/`systemPrompt` reach the pre-created - * agent; `persistenceRoot`/`welcome`/`resumeSessionId` route to their backends. + * `ctx.plugin`. The forwarded `model` reaches the pre-created agent and + * `persona` the system-prompt plugin; `persistenceRoot`/`welcome`/ + * `resumeSessionId` route to their backends. * * `hmr` is NOT part of this plugin (it is a leaf entry — a Loader-only dev - * plugin the in-process tier cannot import); the REAL Loader-path guard (export - * shape, `unwrapExports`, the whole subprocess tree incl. `hmr`) is the keyless - * echo smoke in `examples/echo-agent`. Here we assert the composition + config + * plugin the in-process tier cannot import); the keyless echo smoke in + * `examples/echo-agent` proves the whole subprocess tree (incl. `hmr`) boots + * through the real Loader, while the export SHAPE is pinned by this suite's + * explicit `unwrapExports` assertion (an inject-less app would boot past a + * stray default rather than crash). Here we assert the composition + config * forwarding the unit tier can reach. */ async function mount(config: stdioAgent.Config): Promise<Context> { @@ -26,15 +34,57 @@ async function mount(config: stdioAgent.Config): Promise<Context> { return ctx } +async function isolatedSkillsConfig(catalogDescriptionMaxLength?: number): Promise<NonNullable<stdioAgent.Config['skills']>> { + const home = await mkdtemp(join(tmpdir(), 'dsh-stdio-agent-skills-')) + return { + local: { dshHome: join(home, '.dsh'), agentsHome: join(home, '.agents') }, + ...catalogDescriptionMaxLength !== undefined ? { tool: { catalogDescriptionMaxLength } } : {}, + } +} + +async function composePrefix(ctx: Context): Promise<Message[]> { + const empty: Message[] = [] + return await ctx.waterfall( + 'agent/session-prefix', { session: { header: { cwd: '/tmp' } } } as never, + empty, new AbortController().signal, () => Promise.resolve(empty), + ) +} + +async function withIsolatedSkillHomes<T>(run: () => Promise<T>): Promise<T> { + const oldDshHome = process.env.DSH_HOME + const oldAgentsHome = process.env.DSH_AGENTS_HOME + const home = await mkdtemp(join(tmpdir(), 'dsh-stdio-agent-default-skills-')) + process.env.DSH_HOME = join(home, '.dsh') + process.env.DSH_AGENTS_HOME = join(home, '.agents') + try { + return await run() + } finally { + if (oldDshHome === undefined) { + delete process.env.DSH_HOME + } else { + process.env.DSH_HOME = oldDshHome + } + if (oldAgentsHome === undefined) { + delete process.env.DSH_AGENTS_HOME + } else { + process.env.DSH_AGENTS_HOME = oldAgentsHome + } + } +} + describe('dsh-stdio-agent app', () => { it('composes the spine + front-door cluster and pre-creates the main agent', async () => { - const ctx = await mount({ model: 'mock', systemPrompt: 'hi', persistenceRoot: '/tmp/dsh-stdio-agent-spec' }) + const ctx = await mount({ model: 'mock', persona: 'hi', persistenceRoot: '/tmp/dsh-stdio-agent-spec', skills: await isolatedSkillsConfig() }) // The spine services (brought up by the agent-core bundle) are all present. expect(ctx.get('agents')).toBeDefined() expect(ctx.get('agentLoop')).toBeDefined() expect(ctx.get('sessionPersistence')).toBeDefined() + expect(ctx.get('userInteraction')).toBeDefined() + expect(ctx.get('tools')?.get('ask_user_question')).toBeDefined() // The pre-created `main` agent the UI drives. - expect(ctx.get('agents')?.get(AgentId('main'))).toBeDefined() + const agent = ctx.get('agents')?.get(AgentId('main')) + expect(agent).toBeDefined() + expect(agent?.session.header.cwd).toBe(process.cwd()) await ctx.fiber.dispose() }) @@ -44,32 +94,73 @@ describe('dsh-stdio-agent app', () => { // apply()'s last two lines are the ones that fire — covering a // schema-bypassing direct-mount caller. const ctx = new Context() - stdioAgent.apply(ctx, { model: 'mock', systemPrompt: 'hi' }) + // No persona: covers the omitted-persona forwarding branch too. + stdioAgent.apply(ctx, { model: 'mock', skills: await isolatedSkillsConfig() }) await new Promise(resolve => setTimeout(resolve, 80)) expect(ctx.get('sessionPersistence')).toBeDefined() expect(ctx.get('agents')?.get(AgentId('main'))).toBeDefined() await ctx.fiber.dispose() }) + it('uses default skill config when apply is called directly without skills', async () => { + await withIsolatedSkillHomes(async () => { + const ctx = new Context() + stdioAgent.apply(ctx, { model: 'mock' }) + await new Promise(resolve => setTimeout(resolve, 80)) + expect(ctx.skills).toBeDefined() + expect(await ctx.skills.list()).toEqual([]) + await ctx.fiber.dispose() + }) + }) + it('forwards resumeSessionId onto the pre-created agent when set', async () => { // A resume id defers agent creation until persistence loads; with no backing // session the resume is contained + logged, so no `main` agent registers — // the branch that maps resumeSessionId through is what this covers. const ctx = await mount({ model: 'mock', - systemPrompt: 'hi', + persona: 'hi', persistenceRoot: '/tmp/dsh-stdio-agent-spec-resume', resumeSessionId: 'no-such-session', + skills: await isolatedSkillsConfig(), }) expect(ctx.get('agents')?.get(AgentId('main'))).toBeUndefined() await ctx.fiber.dispose() }) + it('forwards skill config into agent-core', async () => { + const ctx = await mount({ model: 'mock', persona: 'hi', skills: await isolatedSkillsConfig(6) }) + ctx.skills.register({ name: 'stdio-skill', description: 'Stdio skill', source: 'runtime', content: 'body' }) + expect(JSON.stringify(await composePrefix(ctx))).toContain('- `stdio-skill`: Std...') + await ctx.fiber.dispose() + }) + it('exposes its name and Config schema', () => { expect(stdioAgent.name).toBe('stdio-agent') expect(stdioAgent.Config).toBeDefined() }) + it('forwards toolOrder through agent-core to the system-prompt assembly', async () => { + const ctx = await mount({ + model: 'mock', + toolOrder: ['zulu', TOOL_ORDER_REST], + persistenceRoot: '/tmp/dsh-stdio-agent-spec-tool-order', + }) + // The bundle's own bash tools pend on the absent `ctx.bash` executor in + // this providerless mount, so register two plain tools to order. + for (const name of ['alpha', 'zulu']) { + ctx.get('tools')!.register({ + name, + description: name, + parameters: {}, + execute: async () => [], + }) + } + const assembly = await ctx.get('systemPrompt')!.assemble() + expect(assembly.tools.map(tool => tool.name)).toEqual(['zulu', 'alpha', 'ask_user_question', 'skill']) + await ctx.fiber.dispose() + }) + it('has the namespace-plugin export shape (no stray default) so the Loader keeps name/Config/apply', () => { // Postmortem 0001 guard: a stray `export default apply` makes the Loader's // `unwrapExports` (`exports.default ?? exports`) collapse the module to the diff --git a/packages/support/ui-stdio/tests/ui-stdio.spec.ts b/packages/ui/stdio-agent/tests/stdio-chat.spec.ts similarity index 56% rename from packages/support/ui-stdio/tests/ui-stdio.spec.ts rename to packages/ui/stdio-agent/tests/stdio-chat.spec.ts index e991370c39..93683d0768 100644 --- a/packages/support/ui-stdio/tests/ui-stdio.spec.ts +++ b/packages/ui/stdio-agent/tests/stdio-chat.spec.ts @@ -1,11 +1,12 @@ -import { Readable } from 'node:stream' +import { Readable, Writable } from 'node:stream' import { describe, expect, it, vi } from 'vitest' import { Context } from 'cordis' import type { Agent, AgentStatus } from '@deepseek-ai/dsh-agent' import AgentRegistry from '@deepseek-ai/dsh-agent' import type { ContentBlock, StreamChunk } from '@deepseek-ai/dsh-llm' import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' -import { createStdioChat, type Config, type StdioRuntime } from '../src/index.ts' +import UserInteractionService from '@deepseek-ai/dsh-user-interaction' +import { createStdioChat, type Config, type StdioRuntime } from '../src/stdio-chat.ts' /** * Unit tests for the stdio UI plugin. They drive the REAL plugin body @@ -79,10 +80,11 @@ const CONFIG: Config = { welcome: 'hi there', agent: 'main' } async function setup(config: Config = CONFIG, runtimeOver: Partial<StdioRuntime> = {}) { const ctx = new Context() await ctx.plugin(AgentRegistry) + await ctx.plugin(UserInteractionService) const { runtime, input, out, exit } = makeRuntime(runtimeOver) const fiber = await ctx.plugin(Object.assign((inner: Context) => { createStdioChat(inner, config, runtime) - }, { inject: ['agents'] })) + }, { inject: ['agents', 'userInteraction'] })) return { ctx, fiber, input, out, exit } } @@ -105,6 +107,30 @@ describe('createStdioChat rendering', () => { // And it drives the default agent id 'main'. }) + it('detects readline terminal mode from both stream TTY flags', async () => { + for (const [inputTTY, outputTTY] of [[true, false], [true, true]] as const) { + const ctx = new Context() + await ctx.plugin(AgentRegistry) + await ctx.plugin(UserInteractionService) + let text = '' + const output = new Writable({ + write(chunk, _encoding, callback) { + text += String(chunk) + callback() + }, + }) as Writable & { isTTY?: boolean } + const { runtime } = makeRuntime({ output }) + ;(runtime.input as Readable & { isTTY?: boolean }).isTTY = inputTTY + output.isTTY = outputTTY + const fiber = await ctx.plugin(Object.assign((inner: Context) => { + createStdioChat(inner, CONFIG, runtime) + }, { inject: ['agents', 'userInteraction'] })) + + expect(text).toContain('hi there') + await fiber.dispose() + } + }) + it('renders text-delta chunks verbatim', async () => { const { ctx, out } = await setup() ctx.emit('session/event', makeSession('main'), chunkEvent({ type: 'text-delta', index: 0, text: 'hello' })) @@ -160,12 +186,13 @@ describe('createStdioChat rendering', () => { // of the raw session id. const ctx = new Context() await ctx.plugin(AgentRegistry) + await ctx.plugin(UserInteractionService) const agent = makeAgent('main') ctx.agents.register(agent) // registered BEFORE the UI plugin below const { runtime, out } = makeRuntime() await ctx.plugin(Object.assign((inner: Context) => { createStdioChat(inner, CONFIG, runtime) - }, { inject: ['agents'] })) + }, { inject: ['agents', 'userInteraction'] })) ctx.emit('session/event', makeSession('main'), { type: 'turn/start', seq: 1, time: 0, data: { turn: 5, trigger: { kind: 'message' } }, } as SessionEvent) @@ -264,6 +291,347 @@ describe('createStdioChat rendering', () => { }) describe('createStdioChat input', () => { + it('answers a pending user question instead of sending the line to the agent', async () => { + const { ctx, input, out } = await setup() + const agent = makeAgent('main', 'idle') + ctx.agents.register(agent) + + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'confirm', + header: 'Confirm', + question: 'Proceed with the edit?', + options: [{ label: 'Yes', description: 'Apply the edit now.' }], + }], + }) + await new Promise(r => setImmediate(r)) + input.feed('Use a smaller change') + + await expect(answer).resolves.toEqual({ answers: [{ id: 'confirm', selected: [], custom: 'Use a smaller change' }] }) + expect(agent.sent).toEqual([]) + expect(out.text()).toContain('[Confirm] Proceed with the edit?') + expect(out.text()).toContain('1. Yes') + expect(out.text()).toContain('Apply the edit now.') + }) + + it('answers a pending user question by numeric option selection', async () => { + const { ctx, input } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'mode', + question: 'Which mode?', + options: [ + { label: 'Safe' }, + { label: 'Fast' }, + ], + }], + }) + await new Promise(r => setImmediate(r)) + input.feed('2') + + await expect(answer).resolves.toEqual({ + answers: [{ id: 'mode', selected: ['Fast'] }], + }) + }) + + it('renders options in input order and selects by displayed number', async () => { + const { ctx, input, out } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'topic', + question: 'Which topic?', + options: [ + { label: 'Hobbies' }, + { label: 'Work', description: 'Questions about current projects.' }, + { label: 'Casual', description: 'Easy conversation.' }, + ], + }], + }) + await new Promise(r => setImmediate(r)) + + expect(out.text()).toContain([ + 'Which topic?', + ' 1. Hobbies', + ' 2. Work', + ' Questions about current projects.', + ' 3. Casual', + ' Easy conversation.', + ].join('\n')) + input.feed('3') + + await expect(answer).resolves.toEqual({ + answers: [{ id: 'topic', selected: ['Casual'] }], + }) + }) + + it('answers a multi-select question with multiple numeric selections', async () => { + const { ctx, input } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'targets', + question: 'What should I update?', + options: [{ label: 'Tests' }, { label: 'Docs' }, { label: 'Code' }], + multiSelect: true, + }], + }) + await new Promise(r => setImmediate(r)) + input.feed('1 1, 3') + + await expect(answer).resolves.toEqual({ + answers: [{ id: 'targets', selected: ['Tests', 'Code'] }], + }) + }) + + it('accepts non-numeric multi-select input as a custom answer', async () => { + const { ctx, input } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'targets', + question: 'What should I update?', + options: [{ label: 'Tests' }, { label: 'Docs' }], + multiSelect: true, + }], + }) + await new Promise(r => setImmediate(r)) + input.feed('the release notes') + + await expect(answer).resolves.toEqual({ + answers: [{ id: 'targets', selected: [], custom: 'the release notes' }], + }) + }) + + it('asks every question in a batch and returns answers by id', async () => { + const { ctx, input, out } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [ + { id: 'language', question: 'Which language?', options: [{ label: 'Python' }, { label: 'TypeScript' }] }, + { id: 'note', question: 'Any note?' }, + ], + }) + await new Promise(r => setImmediate(r)) + input.feed('2') + await new Promise(r => setImmediate(r)) + expect(out.text()).toContain('\nAny note?\n') + input.feed('ship today') + + await expect(answer).resolves.toEqual({ + answers: [ + { id: 'language', selected: ['TypeScript'] }, + { id: 'note', selected: [], custom: 'ship today' }, + ], + }) + }) + + it('re-prompts when option input is invalid', async () => { + const { ctx, input, out } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'mode', + question: 'Which mode?', + options: [{ label: 'Safe' }], + multiSelect: true, + }], + }) + await new Promise(r => setImmediate(r)) + input.feed('2') + await new Promise(r => setImmediate(r)) + expect(out.text()).toContain('Please enter one of the option numbers (comma or space separated) or a custom answer.') + input.feed('1') + + await expect(answer).resolves.toEqual({ + answers: [{ id: 'mode', selected: ['Safe'] }], + }) + }) + + it('re-prompts when single-select option input is out of range', async () => { + const { ctx, input, out } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'mode', + question: 'Which mode?', + options: [{ label: 'Safe' }], + }], + }) + await new Promise(r => setImmediate(r)) + input.feed('2') + await new Promise(r => setImmediate(r)) + expect(out.text()).toContain('Please enter one of the option numbers or a custom answer.') + input.feed('1') + + await expect(answer).resolves.toEqual({ + answers: [{ id: 'mode', selected: ['Safe'] }], + }) + }) + + it('re-prompts when multi-select input contains no option numbers', async () => { + const { ctx, input, out } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'mode', + question: 'Which mode?', + options: [{ label: 'Safe' }], + multiSelect: true, + }], + }) + await new Promise(r => setImmediate(r)) + input.feed(',') + await new Promise(r => setImmediate(r)) + expect(out.text()).toContain('Please enter one of the option numbers (comma or space separated) or a custom answer.') + input.feed('1') + + await expect(answer).resolves.toEqual({ + answers: [{ id: 'mode', selected: ['Safe'] }], + }) + }) + + it('re-prompts when an option question receives an empty answer', async () => { + const { ctx, input, out } = await setup() + const answer = ctx.userInteraction.ask({ + questions: [{ + id: 'mode', + question: 'Which mode?', + options: [{ label: 'Safe' }], + }], + }) + await new Promise(r => setImmediate(r)) + input.feed('') + await new Promise(r => setImmediate(r)) + expect(out.text()).toContain('Please enter one of the option numbers or a custom answer.') + input.feed('1') + + await expect(answer).resolves.toEqual({ + answers: [{ id: 'mode', selected: ['Safe'] }], + }) + }) + + it('re-prompts when a question receives an empty answer', async () => { + const { ctx, input, out } = await setup() + const answer = ctx.userInteraction.ask({ questions: [{ id: 'path', question: 'What should I use?' }] }) + await new Promise(r => setImmediate(r)) + input.feed('') + await new Promise(r => setImmediate(r)) + expect(out.text()).toContain('Please enter an answer.') + input.feed('Use defaults') + + await expect(answer).resolves.toEqual({ answers: [{ id: 'path', selected: [], custom: 'Use defaults' }] }) + }) + + it('rejects an active question when its signal aborts', async () => { + const { ctx } = await setup() + const controller = new AbortController() + const answer = ctx.userInteraction.ask({ questions: [{ id: 'continue', question: 'Continue?' }], signal: controller.signal }) + const rejected = expect(answer).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + await new Promise(r => setImmediate(r)) + + controller.abort() + + await rejected + }) + + it('continues to the next queued question when the active question aborts', async () => { + const { ctx, input, out } = await setup() + const controller = new AbortController() + const first = ctx.userInteraction.ask({ questions: [{ id: 'first', question: 'First?' }], signal: controller.signal }) + const firstRejected = expect(first).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + const second = ctx.userInteraction.ask({ questions: [{ id: 'second', question: 'Second?' }] }) + await new Promise(r => setImmediate(r)) + + controller.abort() + await firstRejected + await new Promise(r => setImmediate(r)) + expect(out.text()).toContain('\nSecond?\n') + input.feed('second answer') + + await expect(second).resolves.toEqual({ answers: [{ id: 'second', selected: [], custom: 'second answer' }] }) + }) + + it('skips a queued question whose signal aborted before it became active', async () => { + const { ctx, input, out } = await setup() + const controller = new AbortController() + const first = ctx.userInteraction.ask({ questions: [{ id: 'first', question: 'First?' }] }) + const second = ctx.userInteraction.ask({ questions: [{ id: 'second', question: 'Second?' }], signal: controller.signal }) + await new Promise(r => setImmediate(r)) + + controller.abort() + + await expect(Promise.race([ + second.then( + () => 'resolved', + (error: unknown) => (error as { code?: string }).code, + ), + new Promise<string>((resolve) => { setImmediate(() => { resolve('pending') }) }), + ])).resolves.toBe('ASK_ABORTED') + expect(out.text()).not.toContain('\nSecond?\n') + input.feed('first answer') + await expect(first).resolves.toEqual({ answers: [{ id: 'first', selected: [], custom: 'first answer' }] }) + }) + + it('removes an aborted queued question without promoting later queued work early', async () => { + const { ctx, input, out } = await setup() + const controller = new AbortController() + const first = ctx.userInteraction.ask({ questions: [{ id: 'first', question: 'First?' }] }) + const second = ctx.userInteraction.ask({ questions: [{ id: 'second', question: 'Second?' }], signal: controller.signal }) + const third = ctx.userInteraction.ask({ questions: [{ id: 'third', question: 'Third?' }] }) + await new Promise(r => setImmediate(r)) + + controller.abort() + + await expect(second).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + expect(out.text()).toContain('\nFirst?\n') + expect(out.text()).not.toContain('\nSecond?\n') + expect(out.text()).not.toContain('\nThird?\n') + input.feed('first answer') + await new Promise(r => setImmediate(r)) + + expect(out.text()).toContain('\nThird?\n') + input.feed('third answer') + + await expect(first).resolves.toEqual({ answers: [{ id: 'first', selected: [], custom: 'first answer' }] }) + await expect(third).resolves.toEqual({ answers: [{ id: 'third', selected: [], custom: 'third answer' }] }) + }) + + it('rejects active and queued questions when the UI is disposed', async () => { + const { ctx, fiber } = await setup() + const active = ctx.userInteraction.ask({ questions: [{ id: 'active', question: 'Active?' }] }) + const queued = ctx.userInteraction.ask({ questions: [{ id: 'queued', question: 'Queued?' }] }) + const activeRejected = expect(active).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + const queuedRejected = expect(queued).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + await new Promise(r => setImmediate(r)) + + await fiber.dispose() + + await activeRejected + await queuedRejected + }) + + it('rejects active and queued questions when stdin closes before the user answers', async () => { + const { ctx, input, exit } = await setup() + const active = ctx.userInteraction.ask({ questions: [{ id: 'active', question: 'Active?' }] }) + const queued = ctx.userInteraction.ask({ questions: [{ id: 'queued', question: 'Queued?' }] }) + const activeRejected = expect(active).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + const queuedRejected = expect(queued).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + await new Promise(r => setImmediate(r)) + + input.finish() + await new Promise(r => setImmediate(r)) + + await activeRejected + await queuedRejected + expect(exit).not.toHaveBeenCalled() + }) + + it('rejects new questions immediately after stdin has closed', async () => { + const { ctx, input, out } = await setup() + input.finish() + await new Promise(r => setImmediate(r)) + const before = out.text() + + const answer = ctx.userInteraction.ask({ questions: [{ id: 'late', question: 'Too late?' }] }) + + await expect(answer).rejects.toMatchObject({ code: 'ASK_ABORTED' }) + expect(out.text()).toBe(before) + }) + it('sends a typed line to an idle agent', async () => { const { ctx, input } = await setup() const agent = makeAgent('main', 'idle') diff --git a/packages/ui/stdio-agent/tsconfig.json b/packages/ui/stdio-agent/tsconfig.json index 58b492a549..6f30c1558e 100644 --- a/packages/ui/stdio-agent/tsconfig.json +++ b/packages/ui/stdio-agent/tsconfig.json @@ -17,6 +17,9 @@ { "path": "../../../vendor/loader" }, + { + "path": "../app-boot" + }, { "path": "../../../vendor/logger-console" }, @@ -30,10 +33,13 @@ "path": "../../core/agent-core" }, { - "path": "../../session-persistence/session-persistence-jsonl" + "path": "../user-interaction" }, { - "path": "../../support/ui-stdio" + "path": "../tool-ask-user" + }, + { + "path": "../../session-persistence/session-persistence-jsonl" } ] } diff --git a/packages/ui/tool-ask-user/README.md b/packages/ui/tool-ask-user/README.md new file mode 100644 index 0000000000..10d4a082ba --- /dev/null +++ b/packages/ui/tool-ask-user/README.md @@ -0,0 +1,20 @@ +# @deepseek-ai/dsh-tool-ask-user + +Model-facing `ask_user_question` tool over `ctx.userInteraction`. It lets the model ask the human a concise question when it needs confirmation, a choice, or missing information before continuing. + +## Tool + +`ask_user_question` accepts: + +- `questions` — required non-empty array of question objects. +- `id` — required stable id on each question, echoed in the answer. +- `question` — required question text for each question. +- `header` — optional short heading. +- `options` — optional choices with `label` and `description`. If recommending a choice, put it first and append `(Recommended)` to that label. +- `multi_select` — whether that question may return more than one selected option. + +The tool calls `ctx.userInteraction.ask()` and returns JSON text shaped as `{ "answers": [{ "id": "...", "selected": ["..."], "custom": "..." }] }`. `selected` contains option labels; `custom` is present only for a free-form answer and overrides selected choices. + +## Role + +This is the consumer package for the user-interaction seam. It does not render UI and does not know how input is collected; it only translates model arguments into `AskUserQuestionRequest` and returns the human answer to the agent loop. diff --git a/packages/ui/tool-ask-user/package.json b/packages/ui/tool-ask-user/package.json new file mode 100644 index 0000000000..c1860f48f0 --- /dev/null +++ b/packages/ui/tool-ask-user/package.json @@ -0,0 +1,38 @@ +{ + "name": "@deepseek-ai/dsh-tool-ask-user", + "description": "Model-facing ask_user_question tool over the ctx.userInteraction seam", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "@deepseek-ai/dsh-user-interaction": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "@deepseek-ai/dsh-user-interaction": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/ui/tool-ask-user/src/index.ts b/packages/ui/tool-ask-user/src/index.ts new file mode 100644 index 0000000000..2591b28ddd --- /dev/null +++ b/packages/ui/tool-ask-user/src/index.ts @@ -0,0 +1,71 @@ +/** + * Model-facing `ask_user_question` tool over the `ctx.userInteraction` seam. + * The tool pauses until a UI provider returns a human answer, then feeds that + * answer back into the agent loop as an ordinary tool result. + * + * @module @deepseek-ai/dsh-tool-ask-user + */ + +import type { Context } from 'cordis' +import { defineTool } from '@deepseek-ai/dsh-tools' +import '@deepseek-ai/dsh-user-interaction' + +export const name = 'tool-ask-user' +export const inject = ['tools', 'userInteraction'] + +const description = 'Ask the user a concise question when you need confirmation, a choice, or missing information before proceeding. ' + + 'Send one or more questions, each with a stable id that will be echoed in the answer.' + +export function apply(ctx: Context): void { + ctx.tools.register(defineTool({ + name: 'ask_user_question', + description, + parameters: { + questions: { + type: 'array', + required: true, + description: 'Questions to ask the user before continuing.', + items: { + type: 'object', + properties: { + id: { type: 'string', required: true, description: 'Stable id for this question; echoed in the answer.' }, + question: { type: 'string', required: true, description: 'The specific question to ask the user.' }, + header: { + type: 'string', + description: 'Optional short heading for the question, such as "Confirm" or "Choose Mode".', + }, + options: { + type: 'array', + description: 'Optional choices to show the user. If you recommend one, put it first and append "(Recommended)" to that label.', + items: { + type: 'object', + properties: { + label: { type: 'string', required: true, description: 'Short user-facing option label.' }, + description: { type: 'string', description: 'One sentence explaining the tradeoff or impact.' }, + }, + }, + }, + multi_select: { + type: 'boolean', + description: 'Whether the user may select more than one option. Defaults to false.', + }, + }, + }, + }, + }, + async execute(args, exec) { + const result = await ctx.userInteraction.ask({ + questions: args.questions.map(question => ({ + id: question.id, + question: question.question, + ...question.header !== undefined ? { header: question.header } : {}, + ...question.options !== undefined ? { options: question.options } : {}, + ...question.multi_select !== undefined ? { multiSelect: question.multi_select } : {}, + })), + ...exec.agent !== undefined ? { agent: exec.agent } : {}, + ...exec.signal !== undefined ? { signal: exec.signal } : {}, + }) + return [{ type: 'text', text: JSON.stringify(result) }] + }, + })) +} diff --git a/packages/ui/tool-ask-user/tests/tool-ask-user.spec.ts b/packages/ui/tool-ask-user/tests/tool-ask-user.spec.ts new file mode 100644 index 0000000000..ceff7df388 --- /dev/null +++ b/packages/ui/tool-ask-user/tests/tool-ask-user.spec.ts @@ -0,0 +1,253 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import { CallId } from '@deepseek-ai/dsh-llm' +import type { Agent } from '@deepseek-ai/dsh-agent' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import UserInteractionService, { type AskUserQuestionRequest } from '@deepseek-ai/dsh-user-interaction' +import * as toolAskUser from '@deepseek-ai/dsh-tool-ask-user' + +interface OptionSchemaShape { + properties: { + questions: { + items: { + properties: { + options: { + items: { + properties: Record<string, { type: string }> + } + } + } & Record<string, unknown> + } + } + } +} + +async function setup() { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(UserInteractionService) + await ctx.plugin(toolAskUser) + return ctx +} + +describe('ask_user_question tool', () => { + it('registers a model-facing tool schema', async () => { + const ctx = await setup() + const schema = ctx.tools.schemas().find(tool => tool.name === 'ask_user_question') + + expect(schema).toMatchObject({ + name: 'ask_user_question', + parameters: { + type: 'object', + properties: { + questions: { type: 'array' }, + }, + required: ['questions'], + }, + }) + const parameters = schema?.parameters as unknown as OptionSchemaShape + expect(parameters.properties.questions.items.properties).toMatchObject({ + id: { type: 'string' }, + question: { type: 'string' }, + header: { type: 'string' }, + options: { type: 'array' }, + multi_select: { type: 'boolean' }, + }) + expect(parameters.properties.questions.items.properties.options.items.properties).toMatchObject({ + label: { type: 'string' }, + description: { type: 'string' }, + }) + expect(parameters.properties.questions.items.properties.options.items.properties).not.toHaveProperty('value') + expect(parameters.properties.questions.items.properties.options.items.properties).not.toHaveProperty('recommended') + expect(parameters.properties.questions.items.properties.options.items.properties).not.toHaveProperty('preview') + }) + + it('asks the registered user-interaction provider and projects structured answers to text', async () => { + const ctx = await setup() + const seen: AskUserQuestionRequest[] = [] + ctx.userInteraction.registerProvider({ + async ask(request) { + seen.push(request) + return { answers: [{ id: 'pkg', selected: ['pnpm'] }] } + }, + }) + + const result = await ctx.tools.execute({ + callId: CallId('ask-1'), + name: 'ask_user_question', + arguments: { + questions: [{ + id: 'pkg', + question: 'Which package manager should I use?', + options: [{ label: 'pnpm', description: 'Use pnpm workspaces.' }], + }], + }, + }) + + expect(result).toMatchObject({ + isError: false, + content: [{ type: 'text', text: '{"answers":[{"id":"pkg","selected":["pnpm"]}]}' }], + }) + expect(seen).toMatchObject([{ + questions: [{ + id: 'pkg', + question: 'Which package manager should I use?', + options: [{ label: 'pnpm', description: 'Use pnpm workspaces.' }], + }], + }]) + }) + + it('passes recommended option labels through without adding schema fields', async () => { + const ctx = await setup() + const seen: AskUserQuestionRequest[] = [] + ctx.userInteraction.registerProvider({ + async ask(request) { + seen.push(request) + return { answers: [{ id: 'pkg', selected: ['pnpm (Recommended)'] }] } + }, + }) + + await ctx.tools.execute({ + callId: CallId('ask-recommended'), + name: 'ask_user_question', + arguments: { + questions: [{ + id: 'pkg', + question: 'Which package manager should I use?', + options: [ + { label: 'pnpm (Recommended)' }, + { label: 'npm' }, + ], + }], + }, + }) + + expect(seen[0]?.questions[0]?.options).toEqual([ + { label: 'pnpm (Recommended)' }, + { label: 'npm' }, + ]) + }) + + it('projects custom answers and multi-select choices', async () => { + const ctx = await setup() + ctx.userInteraction.registerProvider({ + async ask() { + return { + answers: [ + { id: 'targets', selected: ['tests', 'docs'] }, + { id: 'notes', selected: [], custom: 'ship today' }, + ], + } + }, + }) + + const result = await ctx.tools.execute({ + callId: CallId('ask-multi'), + name: 'ask_user_question', + arguments: { + questions: [ + { + id: 'targets', + question: 'What should I update?', + options: [{ label: 'tests' }, { label: 'docs' }], + multi_select: true, + }, + { id: 'notes', question: 'Any note?' }, + ], + }, + }) + + expect(result.content).toEqual([{ + type: 'text', + text: '{"answers":[{"id":"targets","selected":["tests","docs"]},{"id":"notes","selected":[],"custom":"ship today"}]}', + }]) + }) + + it('passes the tool abort signal to the user-interaction request', async () => { + const ctx = await setup() + const seen: AskUserQuestionRequest[] = [] + ctx.userInteraction.registerProvider({ + async ask(request) { + seen.push(request) + return { answers: [{ id: 'continue', selected: ['ok'] }] } + }, + }) + const controller = new AbortController() + + await ctx.tools.execute({ + callId: CallId('ask-2'), + name: 'ask_user_question', + arguments: { questions: [{ id: 'continue', question: 'Continue?' }] }, + signal: controller.signal, + }) + + expect(seen[0]?.signal).toBe(controller.signal) + }) + + it('passes optional header and agent through to the user-interaction request', async () => { + const ctx = await setup() + const seen: AskUserQuestionRequest[] = [] + ctx.userInteraction.registerProvider({ + async ask(request) { + seen.push(request) + return { answers: [{ id: 'continue', selected: ['ok'] }] } + }, + }) + const agent = { id: 'main' } as unknown as Agent + + const result = await ctx.tools.execute({ + callId: CallId('ask-3'), + name: 'ask_user_question', + arguments: { questions: [{ id: 'continue', header: 'Confirm', question: 'Continue?' }] }, + agent, + }) + + expect(result.content).toEqual([{ type: 'text', text: '{"answers":[{"id":"continue","selected":["ok"]}]}' }]) + expect(seen[0]).toMatchObject({ questions: [{ id: 'continue', header: 'Confirm', question: 'Continue?' }], agent }) + }) + + it('returns structured user-interaction errors through tool execution', async () => { + const ctx = await setup() + + const result = await ctx.tools.execute({ + callId: CallId('ask-no-provider'), + name: 'ask_user_question', + arguments: { questions: [{ id: 'continue', question: 'Continue?' }] }, + }) + + expect(result).toMatchObject({ + isError: true, + error: { name: 'UserInteractionError', code: 'NO_PROVIDER' }, + }) + }) + + it('returns a structured error for empty question batches', async () => { + const ctx = await setup() + + const result = await ctx.tools.execute({ + callId: CallId('ask-empty'), + name: 'ask_user_question', + arguments: { questions: [] }, + }) + + expect(result).toMatchObject({ + isError: true, + error: { name: 'UserInteractionError', code: 'EMPTY_QUESTIONS' }, + }) + }) + + it('unregisters the tool when its plugin fiber is disposed', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(UserInteractionService) + const fiber = await ctx.plugin(toolAskUser) + expect(ctx.tools.get('ask_user_question')).toBeDefined() + + await fiber.dispose() + + expect(ctx.tools.get('ask_user_question')).toBeUndefined() + }) +}) diff --git a/packages/ui/tool-ask-user/tsconfig.json b/packages/ui/tool-ask-user/tsconfig.json new file mode 100644 index 0000000000..c779bad37f --- /dev/null +++ b/packages/ui/tool-ask-user/tsconfig.json @@ -0,0 +1,36 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../core/system-prompt" + }, + { + "path": "../../core/tools" + }, + { + "path": "../user-interaction" + } + ] +} diff --git a/packages/ui/user-approval/README.md b/packages/ui/user-approval/README.md new file mode 100644 index 0000000000..3973dd5029 --- /dev/null +++ b/packages/ui/user-approval/README.md @@ -0,0 +1,13 @@ +# @deepseek-ai/dsh-user-approval + +User-approval seam. Owns the `ctx.approval` service ([`ApprovalService`](src/index.ts)) and the one-shot permission vocabulary the harness shares: `ApprovalRequest` (agent + tool identity + reason + abort signal), the closed `ApprovalOutcome` union (`allowed-once` / `rejected` / `cancelled` / `unavailable`), the `ApprovalRequestId` brand pairing the two log-only audit events (`approval/asked` / `approval/decided`), and the `approval/request` waterfall the answerers listen on. It lives in the UI group because its purpose is human permission, while remaining channel-neutral: it depends only on Cordis and core vocabulary packages, never on a concrete UI. + +The contract in one line: `ctx.approval.request(req)` puts exactly one question — "may this specific action proceed?" — to whatever answerers the deployment composed, and always resolves to an outcome, never rejects: an aborted signal yields `cancelled`, a throwing or missing answerer yields `unavailable`, and `allowed-once` is a grant for the single asked-about action, never a class of future ones. The one precondition: ask from inside an open turn — the audit pair is turn-enclosed by contract (the turn is the durable log's commit/replay boundary; a bare event between turns is crash-tail garbage on reload), so an idle ask throws before appending anything. + +The service is the mechanism, answerers are the policy. Answerers are `approval/request` waterfall listeners occupying a single decision slot: answer for an agent you own by returning an outcome without calling `next()`, or delegate an agent you don't recognize by calling `next()` — the chain's built-in default is `unavailable`, so a deployment with no answerer (headless, CI) fails closed with zero configuration. Registration order across sibling plugins is not load-order deterministic; compose one terminal answerer per deployment and use `prepend` listeners only for decide-or-delegate gates. + +The seam also owns the per-session POLICY tier ([the sandbox RFC § Per-session mode switching](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)): `ApprovalPolicy` is `'ask'` (delegate to the answerers) or `'never'` (deterministically reject without prompting anyone; the strict CI/unattended stance), with `effective = fold(the session's 'approval/policy' events, last one wins) ?? Config.policy` — the session log is the store, written only through `setApprovalPolicy(session, policy)`. The service decides `'never'` inside `request()` itself, before dispatching the waterfall (`'never'` → `'rejected'` with the audit pair still landing; no listener registration, including a later `prepend`, can precede it), states `'never'` — and only `'never'` in prose — in a per-agent prompt section, records either value with a source-owned header marker, and narrates a policy switch to the model in at most one coalesced `agent/pre-step` notice. The restart fallback reads the marker rather than deployment-controlled persona prose; attribution is positional (an override event after the last `request/header*` reads `changed by the user`, otherwise `changed by the operator/config`). + +One seam serves both ask paths of [the sandbox RFC](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md): the `tools/pre-execute` `ask` decision (routed by [`@deepseek-ai/dsh-tools`](../../core/tools/) when this service is mounted; degrading to deny when it is not), and the sandbox post-denial escalated retry (the bash tool's `sandbox_permissions` gate in [`@deepseek-ai/dsh-tool-bash`](../../bash/tool-bash/) — [the sandbox RFC § Escalation](../../../docs/rfc/implemented/feature/2026-07-06-sandbox.md)). The full design: [the approval-seam RFC](../../../docs/rfc/implemented/feature/2026-07-06-approval-seam.md). + +Answerers today: the ACP bridge ([`@deepseek-ai/dsh-acp`](../../ui/acp/)) forwards to the editor's `session/request_permission` prompt for agents it owns. The audit events are log-only session records — the model only ever sees the tool result the asker derives from the outcome. diff --git a/packages/ui/user-approval/package.json b/packages/ui/user-approval/package.json new file mode 100644 index 0000000000..619339fde3 --- /dev/null +++ b/packages/ui/user-approval/package.json @@ -0,0 +1,43 @@ +{ + "name": "@deepseek-ai/dsh-user-approval", + "description": "User-approval seam (ctx.approval) for the DeepSeek Harness: one-shot permission decisions dispatched to composed answerers over the approval/request waterfall, fail-closed by default", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-brand": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-session": "^0.0.1", + "@deepseek-ai/dsh-system-prompt": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/ui/user-approval/src/index.ts b/packages/ui/user-approval/src/index.ts new file mode 100644 index 0000000000..064875a86a --- /dev/null +++ b/packages/ui/user-approval/src/index.ts @@ -0,0 +1,437 @@ +/** + * Approval seam: `ctx.approval` answers exactly one question — "may this + * specific action proceed?" — by dispatching the `approval/request` waterfall + * to whatever answerers the deployment composed (an ACP editor prompt, an + * auto-decide policy, a scripted test listener) and returning a closed + * {@link ApprovalOutcome}. With no answerer the waterfall falls through to the + * built-in default `'unavailable'`: absence of a UI can never grant anything. + * + * The service is the MECHANISM (dispatch, cancellation, audit); answerers are + * the POLICY. It serves both ask paths the sandbox RFC names — the + * `tools/pre-execute` `ask` decision and the sandbox post-denial escalation — + * so every asker shares one outcome + * vocabulary and one audit trail. Grants are one-shot by design: an + * `'allowed-once'` outcome authorizes the single action it was asked about, + * never a class of future actions. + * + * Every request lands two log-only session events on the requesting agent's + * log (`approval/asked` / `approval/decided`, paired by + * {@link ApprovalRequestId}) — an audit trail, deliberately NOT part of the + * model-visible transcript: the model only ever sees the tool result the + * caller derives from the outcome. + * + * The seam also owns the per-session POLICY tier (the sandbox RFC § Per-session mode switching): + * `effective = fold(the session's 'approval/policy' events, last one wins) + * ?? config.policy` — the session log is the store, so an override survives + * restart by replay. The service resolves `'never'` sessions to + * `'rejected'` inside `request()` before dispatching any answerer (no + * registration order, including a later `prepend`, can precede it); a prompt section states `'never'` + * (and only `'never'` — an availability promise is unknowable without + * asking); an `agent/pre-step` narrator explains a switch to the model in at + * most one coalesced notice per step. + * + * @module @deepseek-ai/dsh-user-approval + */ + +import { randomUUID } from 'node:crypto' +import { Context, Service } from 'cordis' +import z from 'schemastery' +import type { Branded } from '@deepseek-ai/dsh-brand' +import type { Agent } from '@deepseek-ai/dsh-agent' +import type { CallId } from '@deepseek-ai/dsh-llm' +import type { Session, SessionEvent } from '@deepseek-ai/dsh-session' +import type {} from '@deepseek-ai/dsh-system-prompt' + +declare module 'cordis' { + interface Context { + approval: ApprovalService + } + + interface Events { + /** + * Waterfall asking the composed answerers to decide one approval request. + * Dispatched only from {@link ApprovalService.request} — callers go through + * the service (which owns cancellation and the audit events), never through + * `ctx.waterfall` directly. A listener that can answer for this request's + * agent returns an outcome WITHOUT calling `next()` (the decision slot is + * single-occupancy, first listener to answer wins); a listener that does + * not recognize the agent MUST call `next()` so another answerer — or the + * fail-closed default `'unavailable'` — gets the question. Throwing is + * contained by the service and yields `'unavailable'`. + * @param req - the pending decision (agent, tool identity, reason, signal). + * @mode waterfall + */ + 'approval/request'(this: ApprovalService, req: ApprovalRequest, next: () => Promise<ApprovalOutcome>): Promise<ApprovalOutcome> + } +} + +declare module '@deepseek-ai/dsh-session' { + interface SessionEventMap { + /** + * An approval question was put to the answerer chain — log-only audit + * (like `hook/*`; NOT a surface event, carries no `surfaceOp`). `id` pairs + * it with the `approval/decided` that always follows; `toolName` is the + * tool the question is about, `callId` the exact tool call when the asker + * had one, `reason` the asker's human-readable explanation (e.g. a hook's + * permission-decision reason). + */ + 'approval/asked': { + id: ApprovalRequestId + toolName: string + callId?: CallId + reason?: string + } + /** + * The outcome of a prior `approval/asked` (same `id`) — log-only audit. + * Exactly one per ask, appended when the outcome is known: a decision, a + * cancellation, or the fail-closed `'unavailable'`. + */ + 'approval/decided': { + id: ApprovalRequestId + outcome: ApprovalOutcome + } + /** + * The session's approval policy was switched — log-only, durable, + * replayable, never in the model transcript (the model learns the policy + * from the prompt section and the narrator's notices). The LAST such + * event is the session's override ({@link effectiveApprovalPolicy}); + * who asked for it is derivable from position (an event after the log's + * last `request/header*` was a runtime switch by the user). + */ + 'approval/policy': { policy: ApprovalPolicy } + } +} + +/** + * Pairs one `approval/asked` audit event with its `approval/decided`. + * Service-issued (one fresh id per {@link ApprovalService.request} call). + */ +export type ApprovalRequestId = Branded<'ApprovalRequestId'> + +/** + * Brand a string as an {@link ApprovalRequestId}. + * @param id - the raw id string to brand. + * @returns the same string carrying the brand. + */ +export function ApprovalRequestId(id: string): ApprovalRequestId { + return id as ApprovalRequestId +} + +/** + * The closed outcome vocabulary of one approval request. + * + * - `'allowed-once'` — a one-shot grant for exactly the asked-about action; + * consumed by proceeding, never a durable authorization. + * - `'rejected'` — an answerer (human or policy) said no. + * - `'cancelled'` — the question was withdrawn: the prompt was dismissed, or + * the requesting execution aborted while the question was pending. + * - `'unavailable'` — nobody composed could answer (no listener, none that + * recognizes the agent, or an answerer failed). Callers MUST fail closed on + * it, exactly like `'rejected'` — the two differ only for audit and wording. + */ +export type ApprovalOutcome = 'allowed-once' | 'rejected' | 'cancelled' | 'unavailable' + +/** Every {@link ApprovalOutcome}, for runtime normalization of answerer returns. */ +const OUTCOMES: readonly ApprovalOutcome[] = ['allowed-once', 'rejected', 'cancelled', 'unavailable'] + +/** + * A session's approval policy — what happens to an {@link ApprovalService} + * ask BEFORE any interactive answerer sees it: + * + * - `'ask'` (the default) — delegate to the composed answerers; with none + * composed the chain falls through to the fail-closed `'unavailable'` + * (exactly today's behavior). + * - `'never'` — never prompt anyone: every ask resolves `'rejected'` + * deterministically. The strict headless stance (CI, unattended runs) and + * the only policy value stated in the system prompt — unlike `'ask'`, its + * outcome is knowable without asking, so stating it cannot overclaim. + */ +export type ApprovalPolicy = 'ask' | 'never' + +/** Every {@link ApprovalPolicy}, for option advertisement and runtime validation of untrusted policy strings. */ +export const APPROVAL_POLICIES: readonly ApprovalPolicy[] = ['ask', 'never'] + +/** + * The prompt sentence stating a `'never'` policy — visibility for the one + * deterministic policy (see {@link ApprovalPolicy}). Narrator persistence + * does NOT parse this prose: deployments can quote it in a persona or another + * section, so the section also emits a source-owned marker. + */ +const NEVER_SENTENCE = 'Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).' + +/** Source-owned prompt markers used to reconstruct the policy in a logged header. */ +const POLICY_MARKERS = { + ask: '<!-- dsh-user-approval-policy:ask -->', + never: '<!-- dsh-user-approval-policy:never -->', +} as const satisfies Record<ApprovalPolicy, string> + +/** + * Read the policy fact emitted by this service from a logged system prompt. + * The section is ordered after deployment persona text, and the last marker + * wins so a persona quoting an earlier marker cannot shadow the service's own + * contribution. Ordinary policy prose is deliberately ignored. + */ +function toldApprovalPolicy(system: string | undefined): ApprovalPolicy | undefined { + if (system === undefined) return undefined + const ask = system.lastIndexOf(POLICY_MARKERS.ask) + const never = system.lastIndexOf(POLICY_MARKERS.never) + if (ask < 0 && never < 0) return undefined + return never > ask ? 'never' : 'ask' +} + +/** + * The session's approval-policy override: the last `approval/policy` event in + * the log, or undefined when the session never switched (callers apply the + * plugin's configured default). The pure fold — resume needs no catch-up + * machinery because replaying the log IS the state. + * @param events - session events in log order (other event types are skipped). + * @returns the policy of the last switch event, or undefined without one. + */ +export function effectiveApprovalPolicy(events: readonly SessionEvent[]): ApprovalPolicy | undefined { + for (let index = events.length - 1; index >= 0; index -= 1) { + const event = events[index] as SessionEvent + if (event.type === 'approval/policy') return event.data.policy + } + return undefined +} + +/** + * Whether the log currently sits inside an open turn (a `turn/start` not yet + * closed by a `turn/end`) — the {@link ApprovalService.request} precondition. + * The audit pair must be turn-enclosed: the turn is the durable log's + * commit/replay boundary, so a bare event appended between turns is + * indistinguishable from a crash tail and silently dropped on reload. + */ +function hasOpenTurn(events: readonly SessionEvent[]): boolean { + for (let index = events.length - 1; index >= 0; index -= 1) { + const type = (events[index] as SessionEvent).type + if (type === 'turn/start') return true + if (type === 'turn/end') return false + } + return false +} + +/** + * THE write path for a session's approval-policy override: appends exactly + * one `approval/policy` event — the switch IS its event; nothing mutates + * policy state out of band. Takes effect on the session's next ask and next + * prompt assembly (the consumers fold on every read). + * @param session - the session the override belongs to. + * @param policy - the policy every subsequent ask for this session resolves + * under (until the next switch). + */ +export function setApprovalPolicy(session: Session, policy: ApprovalPolicy): void { + session.append('approval/policy', { policy }) +} + +/** + * One concrete permission question. Identifies the action precisely enough + * for an answerer to present it and for the audit events to reconstruct what + * was asked — it deliberately does NOT carry tool arguments: a UI answerer + * attaches the prompt to the already-streamed tool call via `callId` instead + * of re-rendering the call. + */ +export interface ApprovalRequest { + /** + * The agent on whose behalf the question is asked. Routes the question (a + * UI answerer only answers for agents it owns) and receives the audit + * events on its session log. + */ + agent: Agent + /** The tool the question is about (presentation and audit). */ + toolName: string + /** + * The exact tool call being decided, when the asker has one — lets a UI + * attach the prompt to the tool call it already streamed. + */ + callId?: CallId + /** The asker's human-readable explanation of WHY it is asking. */ + reason?: string + /** + * Aborting withdraws the question: the request settles `'cancelled'` + * immediately and a late answer from a still-pending answerer is discarded. + */ + signal?: AbortSignal +} + +/** Plugin config. All optional — `static Config` supplies the defaults. */ +export interface Config { + /** + * The deployment's default {@link ApprovalPolicy} for sessions without an + * `approval/policy` override — `'ask'` delegates to the composed answerers + * (fail-closed with none); `'never'` auto-rejects every ask without + * prompting (the deterministic CI/unattended stance). + */ + policy?: ApprovalPolicy +} + +/** + * The `ctx.approval` service: dispatches {@link ApprovalRequest}s to the + * `approval/request` waterfall and audits every ask/outcome pair to the + * requesting agent's session log. Stateless between requests — grants are + * returned to the caller, never stored here. + * + * Owns the policy tier too (`effective = fold(the session's 'approval/policy' + * events) ?? config.policy`): `request()` resolves `'never'` to `'rejected'` + * before dispatching any interactive answerer, a per-agent prompt section + * states a `'never'` policy (and only that one in prose — an `'ask'` promise + * could overclaim an answerer that headless compositions do not have), and an + * `agent/pre-step` narrator injects at most one coalesced notice when a + * session's effective policy moved past what the model was last told. + */ +export class ApprovalService extends Service { + static Config: z<Config> = z.object({ + policy: z.union(['ask', 'never'] as const).default('ask'), + }) + + constructor(ctx: Context, public config: Config) { + super(ctx, 'approval') + + const effective = (agent: Agent): ApprovalPolicy => this.effectivePolicy(agent) + + // Visibility layer 1, scoped on the prompt registry so headless + // compositions mount the seam without it: state the one deterministic + // policy per session. 'ask' renders only a source-owned state marker — + // stating "you will be asked" would overclaim in a composition with no + // answerer. The marker, not deployment-controlled prose, is what the + // restart narrator reads back from the logged request header. + ctx.inject(['systemPrompt'], (scope: Context) => { + scope.systemPrompt.section({ + name: 'approval:policy', + order: 115, + text: (context) => { + const agent = context.agent + // A bare assemble() (tests, diagnostics) has no session to state. + if (agent === undefined) return '' + const policy = effective(agent) + return policy === 'never' ? `${NEVER_SENTENCE}\n${POLICY_MARKERS.never}` : POLICY_MARKERS.ask + }, + }) + }) + + // Visibility layer 2: the boundary narrator. pre-step runs after prompt + // assembly but before the request history is derived, so the notice is + // seen by THIS step's request: idle-time flip-flops coalesce at the + // turn's first step (net-zero → nothing), and a mid-turn switch is + // narrated no later than the next step. What each session was last told + // is in-memory with a log-derived fallback (the folded header's system + // text), so restarts lose nothing. Attribution is positional: an + // override event after the log's last `request/header*` was a runtime + // switch by the user; otherwise the configured default moved under the + // session (operator/config). + const narrated = new WeakMap<Agent['session'], ApprovalPolicy>() + ctx.on('agent/pre-step', (agent) => { + const session = agent.session + const events = session.events + let overrideIndex = -1 + let headerIndex = -1 + for (let index = events.length - 1; index >= 0 && (overrideIndex < 0 || headerIndex < 0); index -= 1) { + const event = events[index] as (typeof events)[number] + if (overrideIndex < 0 && event.type === 'approval/policy') { + overrideIndex = index + } else if (headerIndex < 0 && (event.type === 'request/header' || event.type === 'request/header-delta')) { + headerIndex = index + } + } + // Same fold effectivePolicy performs — override is scanned here anyway + // for POSITIONAL attribution; the default lives once, in the method. + const current = this.effectivePolicy(agent) + const header = session.requestHeader() + const told = narrated.get(session) ?? toldApprovalPolicy(header?.system) + narrated.set(session, current) + // Cold start (nothing ever told) narrates nothing — the section about + // to go out states the truth, and there is no delta to explain. + if (told === undefined || told === current) return + const cause = overrideIndex > headerIndex ? 'changed by the user' : 'changed by the operator/config' + agent.inject( + [{ type: 'text', text: `The approval policy changed from "${told}" to "${current}" (${cause}).` }], + { source: { kind: 'plugin', plugin: 'user-approval' } }, + ) + }) + } + + /** + * Ask the composed answerers to decide one request. Requires an open turn + * on the requesting agent's session — the audit pair below is turn-enclosed + * by contract (the turn is the log's commit/replay boundary; an idle append + * would be dropped as crash tail on reload) — and throws before appending + * anything when called idle; asking outside a turn is a deferred design. + * Within that precondition it always resolves to an outcome, never rejects: + * an aborted signal yields `'cancelled'`, a missing or throwing answerer + * yields `'unavailable'` (fail closed), and a rogue non-vocabulary return + * value is normalized to `'unavailable'`. Appends the + * `approval/asked`/`approval/decided` audit pair (log-only) around the + * decision regardless of outcome. + * @param req - the pending decision (agent, tool identity, reason, signal). + * @returns the closed outcome; `'allowed-once'` is the only grant. + */ + async request(req: ApprovalRequest): Promise<ApprovalOutcome> { + if (!hasOpenTurn(req.agent.session.events)) { + throw new Error( + 'approval.request() outside an open turn: the approval/asked + approval/decided audit pair ' + + 'must be turn-enclosed (a bare event between turns is crash-tail garbage on reload). ' + + 'Ask from inside the turn that needs the decision.', + ) + } + const id = ApprovalRequestId(randomUUID()) + req.agent.session.append('approval/asked', { + id, + toolName: req.toolName, + ...req.callId !== undefined ? { callId: req.callId } : {}, + ...req.reason !== undefined ? { reason: req.reason } : {}, + }) + const outcome = await this.decide(req) + req.agent.session.append('approval/decided', { id, outcome }) + return outcome + } + + /** + * The session's effective policy: its own `approval/policy` fold, else the + * configured default (the schema already defaulted an omitted policy to + * `'ask'`; the `??` only narrows the optional-input TYPE). + * @param agent - the agent whose session's policy applies. + * @returns the policy every ask for this agent resolves under right now. + */ + private effectivePolicy(agent: Agent): ApprovalPolicy { + return effectiveApprovalPolicy(agent.session.events) ?? this.config.policy ?? 'ask' + } + + /** Dispatch the waterfall, contained and raced against `req.signal`. */ + private async decide(req: ApprovalRequest): Promise<ApprovalOutcome> { + if (req.signal?.aborted) return 'cancelled' + // The 'never' policy is decided HERE, before any dispatch: a listener + // registered with `prepend: true` after this service mounts would sit + // ahead of any gate LISTENER, so a listener-shaped gate cannot keep the + // documented promise that 'never' rejects deterministically regardless + // of registration order — only the service's own request path can. + if (this.effectivePolicy(req.agent) === 'never') return 'rejected' + // Enter the promise chain BEFORE dispatching: a listener that throws + // SYNCHRONOUSLY (before its first await) must land in the same rejection + // path as an async one — `Promise.resolve(call())` would let it escape + // the containment into the caller. + const answer: Promise<ApprovalOutcome> = Promise.resolve().then( + () => this.ctx.waterfall(this, 'approval/request', req, () => Promise.resolve<ApprovalOutcome>('unavailable')), + ).then( + // Normalize a rogue (non-vocabulary) answerer return to the fail-closed + // outcome instead of leaking it into callers' closed-union switches. + outcome => OUTCOMES.includes(outcome) ? outcome : 'unavailable', + // A throwing answerer must fail the QUESTION closed, not the caller's + // tool call open — the seam contains its callbacks. + () => 'unavailable', + ) + const signal = req.signal + if (signal === undefined) return answer + return await new Promise<ApprovalOutcome>((resolve) => { + const onAbort = () => { resolve('cancelled') } + signal.addEventListener('abort', onAbort, { once: true }) + void answer.then((outcome) => { + signal.removeEventListener('abort', onAbort) + // After an abort won the race this resolve is a settled-promise no-op: + // the late answer is discarded by construction. + resolve(outcome) + }) + }) + } +} + +export default ApprovalService diff --git a/packages/ui/user-approval/tests/approval.spec.ts b/packages/ui/user-approval/tests/approval.spec.ts new file mode 100644 index 0000000000..891f3eb4a1 --- /dev/null +++ b/packages/ui/user-approval/tests/approval.spec.ts @@ -0,0 +1,424 @@ +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import type { Agent } from '@deepseek-ai/dsh-agent' +import { CallId } from '@deepseek-ai/dsh-llm' +import { Session, SessionId } from '@deepseek-ai/dsh-session' +import type { SessionEvent } from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ApprovalService, { ApprovalOutcome, ApprovalRequest, effectiveApprovalPolicy, setApprovalPolicy } from '@deepseek-ai/dsh-user-approval' + +/** + * A minimal Agent stand-in — the service only reaches `agent.session.append` + * and folds `.events`. Seeded inside an open turn by default (request()'s + * turn-enclosure precondition); pass `seed` to stage idle/closed logs. + * Returns the recorded audit appends alongside the fake. + */ +function fakeAgent(seed: Array<{ type: string }> = [{ type: 'turn/start' }, { type: 'user/message' }]): { agent: Agent; appended: Array<{ type: string; data: Record<string, unknown> }> } { + const appended: Array<{ type: string; data: Record<string, unknown> }> = [] + const agent = { + session: { + events: seed, + append: (type: string, data: Record<string, unknown>) => { + appended.push({ type, data }) + return { type, data } as unknown as SessionEvent + }, + }, + } as unknown as Agent + return { agent, appended } +} + +async function mounted(): Promise<Context> { + const ctx = new Context() + await ctx.plugin(ApprovalService) + return ctx +} + +function requestOf(agent: Agent, overrides: Partial<ApprovalRequest> = {}): ApprovalRequest { + return { agent, toolName: 'echo', ...overrides } +} + +describe('ApprovalService.request', () => { + it('throws before appending anything when no turn has ever opened (idle ask)', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent([]) + + await expect(ctx.approval.request(requestOf(agent))).rejects.toThrow(/outside an open turn/) + expect(appended).toHaveLength(0) + }) + + it('throws between turns — a closed turn does not satisfy the enclosure precondition', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent([{ type: 'turn/start' }, { type: 'turn/end' }]) + + await expect(ctx.approval.request(requestOf(agent))).rejects.toThrow(/outside an open turn/) + expect(appended).toHaveLength(0) + }) + + it('fails closed to unavailable when nobody listens, auditing the asked/decided pair', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + + const outcome = await ctx.approval.request(requestOf(agent, { callId: CallId('call-1'), reason: 'hook says ask' })) + + expect(outcome).toBe('unavailable') + expect(appended.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + const [asked, decided] = appended + expect(asked?.data).toMatchObject({ toolName: 'echo', callId: 'call-1', reason: 'hook says ask' }) + expect(decided?.data).toMatchObject({ outcome: 'unavailable' }) + expect(decided?.data['id']).toBe(asked?.data['id']) + }) + + it('omits absent optional fields from the asked audit event', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + + await ctx.approval.request(requestOf(agent)) + + expect(Object.keys(appended[0]?.data ?? {}).sort()).toEqual(['id', 'toolName']) + }) + + it('returns the first answering listener outcome (single decision slot)', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + let secondRan = false + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + ctx.on('approval/request', () => { + secondRan = true + return Promise.resolve<ApprovalOutcome>('rejected') + }) + + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('allowed-once') + expect(secondRan).toBe(false) + }) + + it('lets a non-owning listener delegate via next() down to the fail-closed default', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + ctx.on('approval/request', (_req, next) => next()) + + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('unavailable') + }) + + it('contains a throwing answerer as unavailable', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + ctx.on('approval/request', () => Promise.reject(new Error('transport died'))) + + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('unavailable') + expect(appended[1]?.data).toMatchObject({ outcome: 'unavailable' }) + }) + + it('normalizes a rogue non-vocabulary answer to unavailable', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + // A JS answerer can return anything; the seam must not leak it into + // callers' closed-union switches. + ctx.on('approval/request', () => Promise.resolve('yolo' as ApprovalOutcome)) + + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('unavailable') + }) + + it('settles cancelled immediately on an already-aborted signal without asking anyone', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + let asked = false + ctx.on('approval/request', () => { + asked = true + return Promise.resolve<ApprovalOutcome>('allowed-once') + }) + + const outcome = await ctx.approval.request(requestOf(agent, { signal: AbortSignal.abort() })) + + expect(outcome).toBe('cancelled') + expect(asked).toBe(false) + expect(appended.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + expect(appended[1]?.data).toMatchObject({ outcome: 'cancelled' }) + }) + + it('resolves cancelled when the signal aborts mid-question and discards the late answer', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + let settleLate: ((outcome: ApprovalOutcome) => void) | undefined + ctx.on('approval/request', () => new Promise<ApprovalOutcome>((resolve) => { settleLate = resolve })) + const controller = new AbortController() + + const pending = ctx.approval.request(requestOf(agent, { signal: controller.signal })) + controller.abort() + await expect(pending).resolves.toBe('cancelled') + + // The answerer settles after the fact: no second decided event appears. + settleLate?.('allowed-once') + await Promise.resolve() + expect(appended.filter(e => e.type === 'approval/decided')).toHaveLength(1) + expect(appended[1]?.data).toMatchObject({ outcome: 'cancelled' }) + }) + + it('discards a late REJECTION after abort without an unhandled rejection', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + let rejectLate: ((error: Error) => void) | undefined + ctx.on('approval/request', () => new Promise<ApprovalOutcome>((_resolve, reject) => { rejectLate = reject })) + const controller = new AbortController() + + const pending = ctx.approval.request(requestOf(agent, { signal: controller.signal })) + controller.abort() + await expect(pending).resolves.toBe('cancelled') + + rejectLate?.(new Error('answered too late')) + // Drain microtasks: the contained rejection must not escape the seam. + await new Promise((resolve) => { setTimeout(resolve, 0) }) + }) + + it('resolves the answer when the signal never aborts', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('rejected')) + const controller = new AbortController() + + await expect(ctx.approval.request(requestOf(agent, { signal: controller.signal }))).resolves.toBe('rejected') + }) + + it('issues a fresh id per request', async () => { + const ctx = await mounted() + const { agent, appended } = fakeAgent() + + await ctx.approval.request(requestOf(agent)) + await ctx.approval.request(requestOf(agent)) + + const ids = appended.filter(e => e.type === 'approval/asked').map(e => e.data['id']) + expect(ids).toHaveLength(2) + expect(ids[0]).not.toBe(ids[1]) + }) + + it('drops a disposed plugin listener from the chain (HMR safety)', async () => { + const ctx = await mounted() + const { agent } = fakeAgent() + const fiber = await ctx.plugin((inner: Context) => { + inner.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + }) + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('allowed-once') + + await fiber.dispose() + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('unavailable') + }) +}) + +describe('approval policy (the approval/policy fold)', () => { + const NEVER_SENTENCE = 'Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`).' + const ASK_MARKER = '<!-- dsh-user-approval-policy:ask -->' + const NEVER_MARKER = '<!-- dsh-user-approval-policy:never -->' + + /** + * An agent stand-in over a REAL Session — gate, section, and narrator fold + * real events; the opened turn satisfies request()'s enclosure precondition. + */ + function sessionAgent(id: string): { agent: Agent; session: Session; injected: string[] } { + const session = new Session(SessionId(id)) + session.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } }) + const injected: string[] = [] + const agent = { + id, + session, + inject: (content: { type: string; text: string }[]) => { injected.push(content[0]?.text ?? '') }, + } as unknown as Agent + return { agent, session, injected } + } + + const preStep = (ctx: Context, agent: Agent): Promise<void> => + ctx.serial('agent/pre-step', agent, 1, 1, '', [], new AbortController().signal) + + /** Append a `request/header` snapshot whose system text is exactly `system`. */ + function appendHeader(session: Session, system: string): void { + session.append('request/header', { header: { config: { model: 'mock' }, system }, reason: 'initial' }) + } + + it('folds to the last event, or undefined without one', () => { + const { session } = sessionAgent('sess-fold') + expect(effectiveApprovalPolicy(session.events)).toBeUndefined() + setApprovalPolicy(session, 'never') + setApprovalPolicy(session, 'ask') + expect(effectiveApprovalPolicy(session.events)).toBe('ask') + expect(session.events.at(-1)).toMatchObject({ type: 'approval/policy', data: { policy: 'ask' } }) + }) + + it('defaults a schema-less construction to ask (the ?? narrows the optional TYPE)', async () => { + // Direct construction bypasses the plugin schema (the SystemPrompt-test + // precedent for covering a defaulted Config field's type-narrowing ??). + const ctx = new Context() + const service = new ApprovalService(ctx, {}) + const { agent } = sessionAgent('sess-bare-config') + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + await expect(service.request({ agent, toolName: 'echo' })).resolves.toBe('allowed-once') + }) + + it('contains an answerer that throws SYNCHRONOUSLY as unavailable', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent } = sessionAgent('sess-syncthrow') + ctx.on('approval/request', () => { throw new Error('sync bug') }) + await expect(ctx.approval.request({ agent, toolName: 'echo' })).resolves.toBe('unavailable') + }) + + it('a never config rejects deterministically without consulting any answerer', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const consulted = vi.fn() + ctx.on('approval/request', (_req, next) => { consulted(); return next() }) + const { agent, session } = sessionAgent('sess-gate-1') + await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('rejected') + expect(consulted).not.toHaveBeenCalled() + // The audit pair still lands on the session log. + expect(session.events.filter(e => e.type === 'approval/asked')).toHaveLength(1) + expect(session.events.filter(e => e.type === 'approval/decided')).toHaveLength(1) + }) + + it('the gate decides FIRST even against an answerer registered before the service (prepend)', async () => { + const ctx = new Context() + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + await ctx.plugin(ApprovalService, { policy: 'never' }) + const { agent } = sessionAgent('sess-gate-2') + await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('rejected') + }) + + it('never is unbypassable even by an answerer PREPENDED after the service mounts', async () => { + // Cordis prepend unshifts ahead of every existing listener, including + // any gate LISTENER the service could register — which is exactly why + // the 'never' decision lives inside request() instead. The eager grant + // below must never be consulted. + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const consulted = vi.fn() + ctx.on('approval/request', () => { consulted(); return Promise.resolve<ApprovalOutcome>('allowed-once') }, { prepend: true }) + const { agent, appended } = fakeAgent() + await expect(ctx.approval.request(requestOf(agent))).resolves.toBe('rejected') + expect(consulted).not.toHaveBeenCalled() + expect(appended.map(e => e.type)).toEqual(['approval/asked', 'approval/decided']) + }) + + it('a session override outranks the configured default, in both directions', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + ctx.on('approval/request', () => Promise.resolve<ApprovalOutcome>('allowed-once')) + const { agent, session } = sessionAgent('sess-gate-3') + setApprovalPolicy(session, 'ask') + await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('allowed-once') + setApprovalPolicy(session, 'never') + await expect(ctx.approval.request({ agent, toolName: 'bash' })).resolves.toBe('rejected') + }) + + it('states never (and only never) in prose while recording either policy with a source-owned marker', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ApprovalService) + const askAgent = sessionAgent('sess-sect-ask').agent + const { agent: neverAgent, session } = sessionAgent('sess-sect-never') + setApprovalPolicy(session, 'never') + const sectionFor = async (context: object) => + (await ctx.systemPrompt.assemble(context)).sections.find(s => s.name === 'approval:policy')?.text + expect(await sectionFor({ agent: askAgent })).toBe(ASK_MARKER) + expect(await sectionFor({ agent: neverAgent })).toBe(`${NEVER_SENTENCE}\n${NEVER_MARKER}`) + // A bare assemble (no agent) has no session to state. + expect(await sectionFor({})).toBe('') + }) + + it('narrates nothing cold, once per coalesced switch (user wording), and idempotently', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent, session, injected } = sessionAgent('sess-narr-1') + await preStep(ctx, agent) + expect(injected).toEqual([]) + setApprovalPolicy(session, 'never') + setApprovalPolicy(session, 'ask') + setApprovalPolicy(session, 'never') + await preStep(ctx, agent) + expect(injected).toEqual(['The approval policy changed from "ask" to "never" (changed by the user).']) + await preStep(ctx, agent) + expect(injected).toHaveLength(1) + setApprovalPolicy(session, 'ask') + setApprovalPolicy(session, 'never') + await preStep(ctx, agent) + expect(injected).toHaveLength(1) + }) + + it('reads what the model was told back from the folded header text after a restart', async () => { + // A session whose last request carried the never sentence resumes under + // an ask default: the narrator attributes the change to the operator. + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent, session, injected } = sessionAgent('sess-narr-2') + appendHeader(session, `persona\n\n${NEVER_SENTENCE}\n${NEVER_MARKER}`) + await preStep(ctx, agent) + expect(injected).toEqual(['The approval policy changed from "never" to "ask" (changed by the operator/config).']) + }) + + it('narrates a config default drift from the logged ask marker', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const { agent, session, injected } = sessionAgent('sess-narr-3') + appendHeader(session, `persona only\n${ASK_MARKER}`) + await preStep(ctx, agent) + expect(injected).toEqual(['The approval policy changed from "ask" to "never" (changed by the operator/config).']) + }) + + it('a pinned override survives a default change silently', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const { agent, session, injected } = sessionAgent('sess-narr-4') + appendHeader(session, `persona only\n${ASK_MARKER}`) + setApprovalPolicy(session, 'ask') + appendHeader(session, `persona only\n${ASK_MARKER}`) + await preStep(ctx, agent) + expect(injected).toEqual([]) + }) + + it('does not infer never from deployment prose that quotes the never sentence', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent, session, injected } = sessionAgent('sess-narr-spoof-prose') + appendHeader(session, `persona quotes this warning: ${NEVER_SENTENCE}\n${ASK_MARKER}`) + await preStep(ctx, agent) + expect(injected).toEqual([]) + }) + + it('treats a legacy header with no source-owned marker as untold', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService, { policy: 'never' }) + const { agent, session, injected } = sessionAgent('sess-narr-unmarked-header') + appendHeader(session, 'legacy persona-only header') + await preStep(ctx, agent) + expect(injected).toEqual([]) + }) + + it('uses the service marker after an earlier persona marker', async () => { + const ctx = new Context() + await ctx.plugin(ApprovalService) + const { agent, session, injected } = sessionAgent('sess-narr-spoof-marker') + appendHeader(session, `persona quotes ${NEVER_MARKER}\n${ASK_MARKER}`) + await preStep(ctx, agent) + expect(injected).toEqual([]) + }) + + it('disposes the service prompt section and pre-step narrator together (HMR safety)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + const fiber = await ctx.plugin(ApprovalService) + const live = sessionAgent('sess-hmr-service-live') + const afterDispose = sessionAgent('sess-hmr-service-disposed') + const sectionFor = async () => + (await ctx.systemPrompt.assemble({ agent: live.agent })).sections.find(section => section.name === 'approval:policy') + expect(await sectionFor()).toBeDefined() + + appendHeader(live.session, `persona\n${ASK_MARKER}`) + setApprovalPolicy(live.session, 'never') + await preStep(ctx, live.agent) + expect(live.injected).toEqual(['The approval policy changed from "ask" to "never" (changed by the user).']) + + appendHeader(afterDispose.session, `persona\n${ASK_MARKER}`) + setApprovalPolicy(afterDispose.session, 'never') + await fiber.dispose() + + expect(await sectionFor()).toBeUndefined() + await preStep(ctx, afterDispose.agent) + expect(afterDispose.injected).toEqual([]) + }) +}) diff --git a/packages/ui/user-approval/tsconfig.json b/packages/ui/user-approval/tsconfig.json new file mode 100644 index 0000000000..2d834f075d --- /dev/null +++ b/packages/ui/user-approval/tsconfig.json @@ -0,0 +1,36 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../util/brand" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../core/session" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../core/system-prompt" + } + ] +} diff --git a/packages/ui/user-interaction/README.md b/packages/ui/user-interaction/README.md new file mode 100644 index 0000000000..6377c2b7ef --- /dev/null +++ b/packages/ui/user-interaction/README.md @@ -0,0 +1,24 @@ +# @deepseek-ai/dsh-user-interaction + +Abstract user-interaction seam. It owns `ctx.userInteraction`, the service a model-facing tool or permission plugin uses when it needs to pause work and ask the human for a decision. + +## Service: `UserInteractionService` (ctx key: `userInteraction`) + +### Public API + +- `ctx.userInteraction.registerProvider(provider): () => void` Register the UI-side provider. Only one provider may be active in a context; disposal unregisters it. +- `ctx.userInteraction.ask(request): Promise<AskUserQuestionAnswer>` Ask the active provider and wait for the answer. + +### Key Types + +- `AskUserQuestionRequest` — `{ questions: [{ id, question, header?, options?, multiSelect? }], agent?, signal? }`. +- `AskUserQuestionOption` — `{ label, description? }`. +- `AskUserQuestionAnswer` — `{ answers: [{ id, selected, custom? }] }`. +- `UserInteractionProvider` — UI implementation with `ask(request)`. +- `UserInteractionError` — `HarnessError` subclass with codes such as `EMPTY_QUESTIONS`, `NO_PROVIDER`, `DUPLICATE_PROVIDER`, and `ASK_ABORTED`. + +When an answer includes `custom`, `selected` is empty; custom text is an override rather than a supplement to selected choices. + +## Role + +This is the interface package. Model-facing consumers such as `@deepseek-ai/dsh-tool-ask-user` depend on this seam; UI front doors such as the `stdio-agent` readline module and the `acp` bridge provide the provider. The loop stays unchanged: a tool call simply awaits a promise, and the tool result resumes the normal agent loop. diff --git a/packages/ui/user-interaction/package.json b/packages/ui/user-interaction/package.json new file mode 100644 index 0000000000..f333195ac7 --- /dev/null +++ b/packages/ui/user-interaction/package.json @@ -0,0 +1,34 @@ +{ + "name": "@deepseek-ai/dsh-user-interaction", + "description": "Abstract user-interaction seam (ctx.userInteraction) for asking the human during agent runs", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/ui/user-interaction/src/index.ts b/packages/ui/user-interaction/src/index.ts new file mode 100644 index 0000000000..f9c1616ade --- /dev/null +++ b/packages/ui/user-interaction/src/index.ts @@ -0,0 +1,128 @@ +/** + * User-interaction seam (`ctx.userInteraction`): a UI-backed service for + * pausing an agent tool call until the human answers a question. The model- + * facing tool lives in `@deepseek-ai/dsh-tool-ask-user`; UI packages provide + * the single active provider. + * + * @module @deepseek-ai/dsh-user-interaction + */ + +import { Context, Service } from 'cordis' +import type { Agent } from '@deepseek-ai/dsh-agent' +import { HarnessError } from '@deepseek-ai/dsh-llm' + +declare module 'cordis' { + interface Context { + userInteraction: UserInteractionService + } +} + +/** One selectable answer offered to the user. */ +export interface AskUserQuestionOption { + /** User-facing label. */ + label: string + /** Optional extra context rendered by capable UIs. */ + description?: string +} + +/** One question in an ask_user_question request. */ +export interface AskUserQuestionItem { + /** Stable model-provided question id, echoed in the answer. */ + id: string + /** The question to display. */ + question: string + /** Optional short heading/group label. */ + header?: string + /** Optional choices the UI can render as a menu. */ + options?: AskUserQuestionOption[] + /** Whether more than one option may be selected. Defaults to single-select. */ + multiSelect?: boolean +} + +/** Request for a human answer. */ +export interface AskUserQuestionRequest { + /** Questions to display. */ + questions: AskUserQuestionItem[] + /** Calling agent, when the request came from an agent tool call. */ + agent?: Agent + /** Abort signal for the owning tool/step. */ + signal?: AbortSignal +} + +/** Answer to one question. */ +export interface AskUserQuestionAnswerItem { + /** The answered question id. */ + id: string + /** Selected option labels. Empty when the answer is purely custom text. */ + selected: string[] + /** Optional free-text "Other" answer. */ + custom?: string +} + +/** The human's answer. */ +export interface AskUserQuestionAnswer { + /** Structured answers keyed by question id. */ + answers: AskUserQuestionAnswerItem[] +} + +/** UI-side provider for user questions. */ +export interface UserInteractionProvider { + ask(request: AskUserQuestionRequest): Promise<AskUserQuestionAnswer> +} + +/** Stable error taxonomy for user-interaction failures. */ +export class UserInteractionError extends HarnessError { + constructor(message: string, code: string, options?: ErrorOptions) { + super(message, code, options) + this.name = 'UserInteractionError' + } +} + +/** `ctx.userInteraction`: one active UI provider plus an `ask()` surface. */ +export class UserInteractionService extends Service { + private provider: UserInteractionProvider | undefined + + constructor(ctx: Context) { + super(ctx, 'userInteraction') + } + + /** + * Register the UI provider. Only one provider may be active in a context. + * + * @param provider UI-side implementation that collects answers. + * @returns Disposer that unregisters this provider. + */ + registerProvider(provider: UserInteractionProvider): () => void { + const dispose = this.ctx.effect(function* (this: UserInteractionService) { + if (this.provider !== undefined) { + throw new UserInteractionError('a user-interaction provider is already registered', 'DUPLICATE_PROVIDER') + } + this.provider = provider + yield () => { + this.provider = undefined + } + }.bind(this), 'userInteraction.registerProvider()') + return () => void dispose() + } + + /** + * Ask the active UI provider and wait for the user's answer. + * + * @param request Questions, owner agent, and abort signal. + * @returns The answer chosen or typed by the human. + */ + async ask(request: AskUserQuestionRequest): Promise<AskUserQuestionAnswer> { + if (request.signal?.aborted) { + throw new UserInteractionError('ask_user_question was aborted before the user answered', 'ASK_ABORTED') + } + if (request.questions.length === 0) { + throw new UserInteractionError('ask_user_question requires at least one question', 'EMPTY_QUESTIONS') + } + if (this.provider === undefined) { + throw new UserInteractionError('no user-interaction provider is registered', 'NO_PROVIDER') + } + return this.provider.ask(request) + } +} + +export default UserInteractionService diff --git a/packages/ui/user-interaction/tests/user-interaction.spec.ts b/packages/ui/user-interaction/tests/user-interaction.spec.ts new file mode 100644 index 0000000000..adfbc9d4bb --- /dev/null +++ b/packages/ui/user-interaction/tests/user-interaction.spec.ts @@ -0,0 +1,86 @@ +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import UserInteractionService, { + UserInteractionError, + type AskUserQuestionRequest, + type UserInteractionProvider, +} from '@deepseek-ai/dsh-user-interaction' + +function provider(answer = 'approved'): UserInteractionProvider & { seen: AskUserQuestionRequest[] } { + const seen: AskUserQuestionRequest[] = [] + return { + seen, + async ask(request) { + seen.push(request) + return { answers: [{ id: request.questions[0]?.id ?? 'missing', selected: [answer] }] } + }, + } +} + +describe('UserInteractionService', () => { + it('delegates ask requests to the registered provider', async () => { + const ctx = new Context() + await ctx.plugin(UserInteractionService) + const p = provider('yes') + ctx.userInteraction.registerProvider(p) + + const result = await ctx.userInteraction.ask({ questions: [{ id: 'confirm', question: 'Proceed?' }] }) + + expect(result).toEqual({ answers: [{ id: 'confirm', selected: ['yes'] }] }) + expect(p.seen).toEqual([{ questions: [{ id: 'confirm', question: 'Proceed?' }] }]) + }) + + it('rejects ask requests when no provider is registered', async () => { + const ctx = new Context() + await ctx.plugin(UserInteractionService) + + await expect(ctx.userInteraction.ask({ questions: [{ id: 'confirm', question: 'Proceed?' }] })) + .rejects.toMatchObject({ name: 'UserInteractionError', code: 'NO_PROVIDER' }) + }) + + it('registers providers with HMR-safe disposal', async () => { + const ctx = new Context() + await ctx.plugin(UserInteractionService) + const p = provider() + const dispose = ctx.userInteraction.registerProvider(p) + + dispose() + dispose() + + await expect(ctx.userInteraction.ask({ questions: [{ id: 'confirm', question: 'Proceed?' }] })) + .rejects.toMatchObject({ code: 'NO_PROVIDER' }) + }) + + it('rejects duplicate providers instead of replacing the active UI', async () => { + const ctx = new Context() + await ctx.plugin(UserInteractionService) + ctx.userInteraction.registerProvider(provider('first')) + + expect(() => ctx.userInteraction.registerProvider(provider('second'))) + .toThrow(UserInteractionError) + }) + + it('fails before reaching the provider when the signal is already aborted', async () => { + const ctx = new Context() + await ctx.plugin(UserInteractionService) + const p = { ask: vi.fn(async () => ({ answers: [{ id: 'confirm', selected: ['too late'] }] })) } + ctx.userInteraction.registerProvider(p) + const controller = new AbortController() + controller.abort() + + await expect(ctx.userInteraction.ask({ questions: [{ id: 'confirm', question: 'Proceed?' }], signal: controller.signal })) + .rejects.toMatchObject({ code: 'ASK_ABORTED' }) + expect(p.ask).not.toHaveBeenCalled() + }) + + it('rejects empty question batches before reaching the provider', async () => { + const ctx = new Context() + await ctx.plugin(UserInteractionService) + const p = { ask: vi.fn(async () => ({ answers: [] })) } + ctx.userInteraction.registerProvider(p) + + await expect(ctx.userInteraction.ask({ questions: [] })) + .rejects.toMatchObject({ name: 'UserInteractionError', code: 'EMPTY_QUESTIONS' }) + expect(p.ask).not.toHaveBeenCalled() + }) +}) diff --git a/packages/ui/user-interaction/tsconfig.json b/packages/ui/user-interaction/tsconfig.json new file mode 100644 index 0000000000..178ff39f3f --- /dev/null +++ b/packages/ui/user-interaction/tsconfig.json @@ -0,0 +1,24 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../llm/llm" + } + ] +} diff --git a/packages/util/README.md b/packages/util/README.md index ae73c8125f..45afe7b0a9 100644 --- a/packages/util/README.md +++ b/packages/util/README.md @@ -5,5 +5,8 @@ Zero-dependency primitives shared across the other groups. A package lands here | Package | Role | |---|---| | `brand/` | The type-only `Branded<B>` nominal-typing primitive (no runtime code, no harness deps) | +| `timeout/` | The timing/classification half of a timeout — `clampTimeout`/`deadline`/`timeoutOf`/`TimeoutReason` (pure functions, no harness deps); termination stays in each capability | `dsh-brand` is the canonical case: it owns ONLY the `Branded<B>` helper, so a capability package can brand the ids it owns (`dsh-bash`'s `BashTaskId`/`OwnerToken`, `dsh-session`'s `SessionId`, …) by depending on `dsh-brand` alone, without pulling in an unrelated package just to reach `Branded`. + +`dsh-timeout` follows the same shape for the timeout family: `dsh-bash` and `dsh-web-fetch-local` each fuse a caller's cancellation with a deadline and later classify "timed out" vs "cancelled" by depending on `dsh-timeout` alone. It deliberately owns only the timing/classification half — the *termination* (SIGKILL a process group, tear down a fetch socket) stays in each capability, because no shared layer can own every capability's kill (see [the timeout-library RFC](../../docs/rfc/implemented/architecture/2026-07-06-timeout-deadline-library.md)). diff --git a/packages/util/timeout/README.md b/packages/util/timeout/README.md new file mode 100644 index 0000000000..db2b06ba53 --- /dev/null +++ b/packages/util/timeout/README.md @@ -0,0 +1,42 @@ +# dsh-timeout + +The **timing-and-classification** half of a timeout — a zero-dependency library of pure functions (no runtime harness deps) shared by every capability that clamps a caller's timeout hint, arms a deadline, and later has to tell "timed out" apart from "cancelled". + +It owns **no termination**. The signal it hands out only *notifies*; actually stopping the work stays in each capability, because that mechanism differs — bash SIGKILLs an OS process group, web tears down a `fetch` socket — and no shared layer can own all of them. This is the boundary the [RFC](../../../docs/rfc/implemented/architecture/2026-07-06-timeout-deadline-library.md) draws: share the timing/classification, keep the hard kill local. + +It is a **library, not a service or plugin**: no `ctx`, registers nothing, holds no state, emits no events. A "timeout service" would have to understand how to stop every capability's work — exactly the knowledge a microkernel keeps out of shared layers. + +## Surface + +```ts +import { clampTimeout, deadline, timeoutOf, TimeoutReason } from '@deepseek-ai/dsh-timeout' +``` + +| Export | Role | +|---|---| +| `clampTimeout(requested, def, max, name?)` | Validate the caller's optional positive-finite hint, fill from `def`, cap at `max`. Throws (with `name`) on a non-positive/non-finite hint. | +| `deadline(upstream, timeoutMs, code)` | Fuse `upstream` cancellation with a timeout into one `AbortSignal` (`AbortSignal.any`); the timeout carries a `TimeoutReason`. `[Symbol.dispose]` clears the timer. | +| `timeoutOf(signal \| { reason }, code?)` | Recover the `TimeoutReason` from an aborted signal/error, else `undefined` — the timeout-vs-cancel classifier. Pass `code` to match only THIS deadline's timer (see nesting below). | +| `TimeoutReason` | The internal reason (`code` + `timeoutMs`) stamped on a timeout abort. Not a public error — providers translate it into their own error/field. | + +## The `timeoutMs <= 0` sentinel + +`0` is the **internal** "no timeout" value for backend-owned background work (bash `start()`): `deadline()` arms no timer and forwards only `upstream`; with no upstream either, it returns a never-aborting signal plus a no-op disposer, so every caller keeps one call shape. External request hints validate as **positive finite** via `clampTimeout` before they reach `deadline`, so `0` is never a model-/plugin-facing "disable timeout" value. + +## Usage shape + +```ts ignore-check +// Scope-lifetime consumer (foreground bash, one fetch): `using` disposes the timer. +using d = deadline(upstream, timeoutMs, 'BASH_TIMEOUT') +const outcome = await runWork({ signal: d.signal }) // work listens on d.signal and terminates itself +const timedOut = timeoutOf(d.signal, 'BASH_TIMEOUT') !== undefined // classify the first abort, scoped to OUR code +const aborted = d.signal.aborted && !timedOut // mutually exclusive: timeout won, or cancel did +``` + +The signal only *notifies* — the caller MUST attach its own termination (`d.signal.addEventListener('abort', kill)`, or hand `d.signal` to `fetch`). Racing a promise against a timer would resolve the tool-call while the child process or socket leaks on; handing out a signal forces a real termination path to exist. + +Pass your own `code` to `timeoutOf` so classification composes under nesting: when the `upstream` you were handed is *itself* a deadline signal (a future `tools/execute` middleware arming a per-call deadline), `AbortSignal.any` preserves the outer `TimeoutReason` if the outer timer fires first. Scoping to your `code` makes a foreign timeout read as an ordinary upstream cancel — the correct classification from your capability's view — instead of your own timeout firing when your local timer never expired. + +## What does NOT get a timeout + +Local file `read`/`write`/`edit` take no `timeoutMs`: a syscall is best-effort-abortable at most, a timeout could not force `fsync`/`rename` to stop, and adding one would be an implicit default that violates explicit-over-implicit. See [`fs/`](../../fs/README.md). diff --git a/packages/util/timeout/package.json b/packages/util/timeout/package.json new file mode 100644 index 0000000000..150a155324 --- /dev/null +++ b/packages/util/timeout/package.json @@ -0,0 +1,30 @@ +{ + "name": "@deepseek-ai/dsh-timeout", + "description": "Zero-dependency timeout/deadline primitive: clampTimeout, deadline, timeoutOf, TimeoutReason (timing + classification only, no termination)", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "cordis": "^4.0.0-rc.6" + }, + "devDependencies": { + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/util/timeout/src/index.ts b/packages/util/timeout/src/index.ts new file mode 100644 index 0000000000..ed95a877d3 --- /dev/null +++ b/packages/util/timeout/src/index.ts @@ -0,0 +1,162 @@ +/** + * The timing-and-classification half of a timeout — a zero-dependency library + * of pure functions shared by every capability that clamps a caller's timeout + * hint, arms a deadline, and later has to tell "timed out" apart from + * "cancelled". It owns NO termination: the returned {@link deadline} signal only + * NOTIFIES; actually stopping the work (SIGKILL a process group, tear down a + * fetch socket, …) stays in each capability's implementation, because that + * mechanism differs per capability and no shared layer can own all of them. + * + * This is deliberately a library, not a cordis service or plugin: it takes no + * `ctx`, registers nothing, holds no cross-call state, and emits no events. A + * "timeout service" would have to understand how to stop every capability's + * work — exactly the knowledge a microkernel keeps out of shared layers. + * + * The four exports and their division of labor: + * - {@link clampTimeout} — validate a caller's optional positive hint, fill the + * backend default, cap at the backend max (pure arithmetic + the shared + * positive-finite request contract). + * - {@link deadline} — fuse upstream cancellation with a timeout into one + * `AbortSignal`, the timeout carrying an identifiable {@link TimeoutReason}; + * `[Symbol.dispose]` clears the timer. + * - {@link timeoutOf} — classify an aborted signal (or error): a + * {@link TimeoutReason} means the timeout fired, anything else (or nothing) + * means it did not. + * - {@link TimeoutReason} — the internal classification reason; providers + * translate it into their own public error/result shape before returning. + * + * @module @deepseek-ai/dsh-timeout + */ + +/** + * The internal reason attached to a timeout abort so consumers can classify it + * after the fact. It carries the failing `code` (each capability's own string — + * `BASH_TIMEOUT`, `WEB_FETCH_TIMEOUT`, …) and the `timeoutMs` that elapsed. + * + * It is an INTERNAL classification reason, not a public error: providers + * translate it into their seam-specific error code or result field (via + * {@link timeoutOf}) before returning to callers. Native `AbortSignal.timeout()` + * yields a fixed `TimeoutError` indistinguishable across timeout kinds; this + * type is identifiable and carries the code/duration. + */ +export class TimeoutReason extends Error { + override name = 'TimeoutReason' + + /** + * @param code Capability-owned timeout code (e.g. `BASH_TIMEOUT`). + * @param timeoutMs The deadline that elapsed, in milliseconds. + */ + constructor(readonly code: string, readonly timeoutMs: number) { + super(`${code} after ${timeoutMs}ms`) + } +} + +/** + * Validate a caller's optional timeout hint, fill it from the backend default, + * then cap at the backend max. The shared positive-finite request contract: + * a supplied `requested` must be a positive finite number or this throws — + * `0` is NOT a caller-facing "disable timeout" value (that sentinel is internal + * to {@link deadline}). A missing `requested` falls back to `def`. + * + * @param requested The caller's optional hint; validated when present. + * @param def The backend default applied when `requested` is absent. + * @param max The backend upper bound the result is capped to. + * @param name Field name used in the thrown message (so the caller sees which input was bad). + * @returns The effective timeout in milliseconds: `min(requested ?? def, max)`. + */ +export function clampTimeout( + requested: number | undefined, + def: number, + max: number, + name = 'timeoutMs', +): number { + if (requested !== undefined && (!Number.isFinite(requested) || requested <= 0)) { + throw new Error(`${name} must be a positive finite number`) + } + return Math.min(requested ?? def, max) +} + +/** A deadline signal plus the cleanup that clears its timer (dispose-once). */ +export interface Deadline { + /** Aborts on upstream cancellation OR on timeout (the timeout carries a {@link TimeoutReason}). */ + readonly signal: AbortSignal + /** Clear the timer. Safe to call once; `using` calls it at scope exit. */ + [Symbol.dispose](): void +} + +/** + * Build a deadline signal that aborts on upstream cancellation OR on timeout, + * with the timeout carrying an identifiable {@link TimeoutReason} (unlike + * native `AbortSignal.timeout()`, whose fixed `TimeoutError` is opaque). It is + * `AbortSignal.any([upstream, <timeout>])` — the single primitive that fuses + * two abort sources — with the reason and a disposable timer added on top. + * + * `timeoutMs <= 0` is the INTERNAL "no timeout" sentinel for backend-owned + * background work: arm no timer and forward only the upstream signal; with no + * upstream either, return a never-aborting signal so callers keep one call + * shape. External request hints validate as positive finite via + * {@link clampTimeout} before reaching here, so `0` never arrives from a model + * or plugin. + * + * The returned object's `[Symbol.dispose]` clears the timer — use `using` for a + * scope-lifetime consumer, or call it manually for an event-lifetime one. The + * signal only NOTIFIES; the caller must attach its own termination (kill the + * process group, abort the fetch, …). + * + * @param upstream The caller's cancellation signal, if any, fused into the result. + * @param timeoutMs Deadline in milliseconds; `<= 0` means "no timeout" (arm no timer). + * @param code Capability-owned code stamped onto the timeout's {@link TimeoutReason}. + * @returns The fused {@link Deadline} (signal + timer cleanup). + */ +export function deadline( + upstream: AbortSignal | undefined, + timeoutMs: number, + code: string, +): Deadline { + if (timeoutMs <= 0) { + // No timeout (background work): forward only the upstream signal, or a + // never-aborting one when there is no upstream. No timer, so dispose is a + // no-op — the empty method keeps the one call shape for every caller. + return { signal: upstream ?? new AbortController().signal, [Symbol.dispose]() {} } + } + + const timer = new AbortController() + const id = setTimeout(() => { timer.abort(new TimeoutReason(code, timeoutMs)) }, timeoutMs) + return { + // AbortSignal.any adopts the reason of whichever source aborts FIRST, so a + // race resolves to a single cause: timeoutOf() reads TimeoutReason only + // when the timeout won, and upstream-wins leaves an ordinary abort reason. + signal: upstream !== undefined ? AbortSignal.any([upstream, timer.signal]) : timer.signal, + [Symbol.dispose]() { clearTimeout(id) }, + } +} + +/** + * Recover the {@link TimeoutReason} from an aborted signal (or any object with a + * `reason`), else `undefined`. This is the classification half: a provider + * calls it on the deadline signal after an abort to decide whether the cause + * was its timeout (translate to the capability's timeout error/field) or an + * ordinary upstream cancellation (`undefined` → the cancel path). + * + * Pass `code` to scope the match to THIS deadline's timer. It matters under + * nesting: when the `upstream` handed to {@link deadline} is itself a deadline + * signal (e.g. a future `tools/execute` middleware arming a per-call deadline), + * `AbortSignal.any` preserves the OUTER `TimeoutReason` if the outer timer fires + * first. Without `code`, the inner capability would misclassify that outer + * timeout as its own (`timedOut:true` / `WEB_FETCH_TIMEOUT`) though its local + * timer never expired; with `code`, a foreign timeout reads as `undefined` and + * falls through to the upstream-cancel path, which is the correct classification + * from the inner capability's view. Omit `code` only to ask "was this ANY + * timeout" (a generic middleware that owns no single code). + * + * @param x An {@link AbortSignal} or any `{ reason }` carrier (e.g. a caught abort error). + * @param code When provided, only a {@link TimeoutReason} with this exact `code` matches. + * @returns The matching {@link TimeoutReason}, else `undefined`. + */ +export function timeoutOf(x: AbortSignal | { reason?: unknown }, code?: string): TimeoutReason | undefined { + // AbortSignal.reason is typed `any`; pin it to `unknown` so no `any` leaks and + // the instanceof narrows cleanly for both a signal and a bare reason carrier. + const reason: unknown = x.reason + if (!(reason instanceof TimeoutReason)) return undefined + return code === undefined || reason.code === code ? reason : undefined +} diff --git a/packages/util/timeout/tests/timeout.spec.ts b/packages/util/timeout/tests/timeout.spec.ts new file mode 100644 index 0000000000..588317f48d --- /dev/null +++ b/packages/util/timeout/tests/timeout.spec.ts @@ -0,0 +1,185 @@ +import { afterEach, describe, expect, it, vi } from 'vitest' +import { clampTimeout, deadline, timeoutOf, TimeoutReason } from '@deepseek-ai/dsh-timeout' + +describe('TimeoutReason', () => { + it('is an Error carrying the code and elapsed ms', () => { + const reason = new TimeoutReason('BASH_TIMEOUT', 100) + expect(reason).toBeInstanceOf(Error) + expect(reason.name).toBe('TimeoutReason') + expect(reason.code).toBe('BASH_TIMEOUT') + expect(reason.timeoutMs).toBe(100) + expect(reason.message).toBe('BASH_TIMEOUT after 100ms') + }) +}) + +describe('clampTimeout', () => { + it('fills the default when the hint is absent', () => { + expect(clampTimeout(undefined, 120_000, 600_000)).toBe(120_000) + }) + + it('caps the hint at max', () => { + expect(clampTimeout(999_999, 120_000, 600_000)).toBe(600_000) + }) + + it('keeps a valid hint under the cap', () => { + expect(clampTimeout(5_000, 120_000, 600_000)).toBe(5_000) + }) + + it('caps the default itself when the default exceeds max', () => { + // min(def, max) applies even with no hint — a misconfigured backend never + // exceeds its own cap. + expect(clampTimeout(undefined, 900_000, 600_000)).toBe(600_000) + }) + + it('rejects a non-finite hint with the caller-provided name', () => { + expect(() => clampTimeout(Number.NaN, 100, 200, 'bash-local: request.timeoutMs')) + .toThrow(/bash-local: request\.timeoutMs must be a positive finite number/) + expect(() => clampTimeout(Number.POSITIVE_INFINITY, 100, 200)) + .toThrow(/timeoutMs must be a positive finite number/) + }) + + it('rejects a non-positive hint', () => { + expect(() => clampTimeout(0, 100, 200)).toThrow(/must be a positive finite number/) + expect(() => clampTimeout(-1, 100, 200)).toThrow(/must be a positive finite number/) + }) +}) + +describe('deadline — timeout arm', () => { + afterEach(() => { vi.useRealTimers() }) + + it('aborts on timeout with a TimeoutReason after the elapsed ms', () => { + vi.useFakeTimers() + using d = deadline(undefined, 100, 'BASH_TIMEOUT') + expect(d.signal.aborted).toBe(false) + vi.advanceTimersByTime(100) + expect(d.signal.aborted).toBe(true) + const reason = timeoutOf(d.signal) + expect(reason).toBeInstanceOf(TimeoutReason) + expect(reason?.code).toBe('BASH_TIMEOUT') + expect(reason?.timeoutMs).toBe(100) + }) + + it('[Symbol.dispose] clears the timer so no abort fires afterward', () => { + vi.useFakeTimers() + const d = deadline(undefined, 100, 'BASH_TIMEOUT') + d[Symbol.dispose]() + vi.advanceTimersByTime(1_000) + expect(d.signal.aborted).toBe(false) + expect(timeoutOf(d.signal)).toBeUndefined() + }) +}) + +describe('deadline — fuse with upstream', () => { + it('aborts on upstream cancellation, classified as NOT a timeout', () => { + const upstream = new AbortController() + using d = deadline(upstream.signal, 60_000, 'BASH_TIMEOUT') + upstream.abort('user cancelled') + expect(d.signal.aborted).toBe(true) + expect(timeoutOf(d.signal)).toBeUndefined() + }) + + it('cancel wins when it fires before the timeout', () => { + vi.useFakeTimers() + try { + const upstream = new AbortController() + using d = deadline(upstream.signal, 100, 'BASH_TIMEOUT') + upstream.abort('user cancelled') // fires first, before the 100ms timer + vi.advanceTimersByTime(200) + expect(d.signal.aborted).toBe(true) + // AbortSignal.any adopts the FIRST source's reason: cancel won, so no + // TimeoutReason even though the timer later elapsed. + expect(timeoutOf(d.signal)).toBeUndefined() + } finally { + vi.useRealTimers() + } + }) + + it('timeout wins when it fires before upstream cancellation', () => { + vi.useFakeTimers() + try { + const upstream = new AbortController() + using d = deadline(upstream.signal, 100, 'WEB_FETCH_TIMEOUT') + vi.advanceTimersByTime(150) // past the 100ms deadline: the timer fires first + expect(d.signal.aborted).toBe(true) + expect(timeoutOf(d.signal)?.code).toBe('WEB_FETCH_TIMEOUT') + // A later upstream abort is a no-op on the already-aborted fused signal: + // AbortSignal.any keeps the FIRST cause, so the timeout classification stands. + upstream.abort('too late') + expect(timeoutOf(d.signal)?.code).toBe('WEB_FETCH_TIMEOUT') + } finally { + vi.useRealTimers() + } + }) + + it('forwards a pre-aborted upstream signal immediately', () => { + const upstream = new AbortController() + upstream.abort('already gone') + using d = deadline(upstream.signal, 60_000, 'BASH_TIMEOUT') + expect(d.signal.aborted).toBe(true) + expect(timeoutOf(d.signal)).toBeUndefined() + }) +}) + +describe('deadline — timeoutMs <= 0 (no-timeout sentinel)', () => { + afterEach(() => { vi.useRealTimers() }) + + it('arms no timer and forwards only the upstream signal', () => { + vi.useFakeTimers() + const upstream = new AbortController() + using d = deadline(upstream.signal, 0, 'BASH_TIMEOUT') + vi.advanceTimersByTime(1_000_000) + expect(d.signal.aborted).toBe(false) // no timer ever armed + upstream.abort('kill') + expect(d.signal.aborted).toBe(true) + expect(timeoutOf(d.signal)).toBeUndefined() // never a timeout + }) + + it('returns a never-aborting signal with a no-op disposer when there is no upstream', () => { + vi.useFakeTimers() + const d = deadline(undefined, 0, 'BASH_TIMEOUT') + expect(() => { d[Symbol.dispose]() }).not.toThrow() + vi.advanceTimersByTime(1_000_000) + expect(d.signal.aborted).toBe(false) + expect(timeoutOf(d.signal)).toBeUndefined() + }) + + it('treats a negative timeout the same as zero', () => { + const d = deadline(undefined, -5, 'BASH_TIMEOUT') + expect(d.signal.aborted).toBe(false) + d[Symbol.dispose]() + }) +}) + +describe('timeoutOf', () => { + it('classifies a bare reason carrier that holds a TimeoutReason', () => { + const reason = new TimeoutReason('WEB_FETCH_TIMEOUT', 50) + expect(timeoutOf({ reason })).toBe(reason) + }) + + it('returns undefined for a non-timeout reason', () => { + expect(timeoutOf({ reason: new Error('other') })).toBeUndefined() + expect(timeoutOf({ reason: 'user cancelled' })).toBeUndefined() + expect(timeoutOf({})).toBeUndefined() + }) + + it('matches only the requested code when one is given', () => { + const reason = new TimeoutReason('BASH_TIMEOUT', 100) + expect(timeoutOf({ reason }, 'BASH_TIMEOUT')).toBe(reason) + expect(timeoutOf({ reason }, 'WEB_FETCH_TIMEOUT')).toBeUndefined() + }) +}) + +describe('deadline — nested deadlines', () => { + it("does not misclassify an outer deadline's timeout as the inner code", () => { + // The upstream handed to the inner deadline is ITSELF a deadline that has + // already timed out (outer). AbortSignal.any preserves the outer reason; + // scoping timeoutOf to the inner code keeps the inner capability from + // reporting the outer timeout as its own — it reads as an upstream cancel. + const outer = new AbortController() + outer.abort(new TimeoutReason('OUTER_TIMEOUT', 30)) + using inner = deadline(outer.signal, 60_000, 'BASH_TIMEOUT') + expect(inner.signal.aborted).toBe(true) + expect(timeoutOf(inner.signal, 'BASH_TIMEOUT')).toBeUndefined() // not ours → upstream-cancel path + expect(timeoutOf(inner.signal)?.code).toBe('OUTER_TIMEOUT') // but IS a timeout, unscoped + }) +}) diff --git a/packages/util/timeout/tsconfig.json b/packages/util/timeout/tsconfig.json new file mode 100644 index 0000000000..749cb0208e --- /dev/null +++ b/packages/util/timeout/tsconfig.json @@ -0,0 +1,11 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [] +} diff --git a/packages/web/tool-web/README.md b/packages/web/tool-web/README.md index f57f38d0d5..ab1326a21e 100644 --- a/packages/web/tool-web/README.md +++ b/packages/web/tool-web/README.md @@ -1,6 +1,6 @@ # @deepseek-ai/dsh-tool-web -The model-facing web tool suite — `web_search` and `web_fetch` — over the [web capability seam](../web/README.md) (`ctx.web`). It owns model-facing concerns only: tool names, JSON schemas, snake_case argument names, prompt sections, the result-count bound, result formatting, HTML→markdown presentation, and `presentCall`. All web access goes through `ctx.web`; this package never imports a concrete provider. +The model-facing web tool suite — `web_search` and `web_fetch` — over the [web capability seam](../web/README.md) (`ctx.web`). It owns model-facing concerns only: tool names, JSON schemas, snake_case argument names, prompt sections, the result-count bound, result formatting, HTML→markdown presentation, and `presentCall`. All web access goes through `ctx.web`; this package never imports a concrete provider. Neither tool exposes a model-facing timeout — each tool's cooperative tool-call budget is declared here via config (`fetchTimeoutMs`/`searchTimeoutMs`, attached as `ToolDefinition.timeoutMs`) and enforced by [`@deepseek-ai/dsh-timeout-policy`](../../timeout/timeout-policy/README.md) (a `tools/execute` wrapper); each tool just forwards `exec.signal` to the seam. Each tool is registered independently; a product that wants only one disables the other via config (`{ search: false }` / `{ fetch: false }`). @@ -8,8 +8,8 @@ Each tool is registered independently; a product that wants only one disables th | Tool | Args | Behavior | |---|---|---| -| `web_search` | `query` (string) | Discovery. Returns an optional answer plus source URLs. `max_results` is **not** model-facing — the tool sets the bound (`WEB_SEARCH_MAX_RESULTS = 8`) and passes it to the seam. | -| `web_fetch` | `url` (string), `timeout_ms` (number, optional) | Retrieves a specific URL. HTML bodies are rendered to markdown-ish text; text bodies pass through. A non-2xx status is reported, not an error. | +| `web_search` | `query` (string) | Discovery. Returns an optional answer plus source URLs. `max_results` is **not** model-facing — the tool sets the bound (the `searchMaxResults` config, default 8) and passes it to the seam. | +| `web_fetch` | `url` (string) | Retrieves a specific URL. HTML bodies are rendered to markdown-ish text; text bodies pass through. A non-2xx status is reported, not an error. The tool-call timeout is deployment policy (`dsh-timeout-policy`), not a model argument. | ## Config @@ -17,6 +17,11 @@ Each tool is registered independently; a product that wants only one disables th |---|---|---| | `search` | `true` | Register `web_search`. | | `fetch` | `true` | Register `web_fetch`. | +| `searchMaxResults` | `8` | Upper bound on sources returned by one `web_search` call (the seam truncates a longer provider list and flags it). | +| `fetchTimeoutMs` | `30000` | Cooperative tool-call timeout budget (ms) for `web_fetch`. | +| `searchTimeoutMs` | `30000` | Cooperative tool-call timeout budget (ms) for `web_search`. | + +`fetchTimeoutMs`/`searchTimeoutMs` declare each tool's cooperative timeout budget (attached as `ToolDefinition.timeoutMs`), enforced by [`@deepseek-ai/dsh-timeout-policy`](../../timeout/timeout-policy/README.md); the model-facing schema exposes no timeout argument. ```yaml - id: tool-web @@ -27,4 +32,4 @@ Each tool is registered independently; a product that wants only one disables th Tool registration follows product **enablement**, not backend availability. A tool stays visible even when its selected provider is missing, misconfigured, ambiguous, or temporarily unavailable; the seam resolves the provider at execution time and execution fails with a structured `WebError` (e.g. `WEB_PROVIDER_UNAVAILABLE`, `WEB_PROVIDER_AMBIGUOUS`), which `ToolRegistry.execute()` turns into an error tool result the model can read and hooks/UI can route on. This keeps the model schema stable without making plugin load order, credential state, or HMR timing part of the model-facing contract. To remove a web tool entirely, disable it here in config. -The tool reads only the aggregated `ctx.web.searchStatus()` / `fetchStatus()` for diagnostics — never each provider's `status()` directly — so provider selection has one owner. +The tool never calls a provider's `status()` and never enumerates providers — its only execution path is `ctx.web.search()` / `ctx.web.fetch()`, and provider unavailability reaches it as the structured `WebError` codes selection throws at execution time. Provider selection stays entirely inside the seam, with one owner. diff --git a/packages/web/tool-web/package.json b/packages/web/tool-web/package.json index 8c22afa9a8..80fd69dbc3 100644 --- a/packages/web/tool-web/package.json +++ b/packages/web/tool-web/package.json @@ -37,6 +37,7 @@ "@deepseek-ai/dsh-session": "workspace:^", "@deepseek-ai/dsh-system-prompt": "workspace:^", "@deepseek-ai/dsh-tools": "workspace:^", + "@deepseek-ai/dsh-timeout-policy": "workspace:^", "@deepseek-ai/dsh-web": "workspace:^", "@deepseek-ai/dsh-web-fetch-local": "workspace:^", "@deepseek-ai/dsh-web-search-exa": "workspace:^", diff --git a/packages/web/tool-web/src/fetch.ts b/packages/web/tool-web/src/fetch.ts index 5f7334d952..571ce00797 100644 --- a/packages/web/tool-web/src/fetch.ts +++ b/packages/web/tool-web/src/fetch.ts @@ -3,6 +3,13 @@ * Execution goes through `ctx.web` — this module owns the model-facing schema, * argument validation, and PRESENTATION (HTML→markdown, truncation formatting), * while the fetch provider owns safe retrieval (transport, redirects, caps). + * + * The model-facing schema exposes NO timeout knob: the tool-call budget is + * deployment policy DECLARED via this package's `fetchTimeoutMs` config (attached + * as `ToolDefinition.timeoutMs`) and ENFORCED by `@deepseek-ai/dsh-timeout-policy` + * (a `tools/execute` wrapper), matching the reference-agent `WebFetch` shape. This + * tool just forwards the (possibly deadline-derived) `exec.signal` to `ctx.web`; + * the provider keeps its own timeout only as a resource backstop for direct callers. */ import type { Context } from 'cordis' @@ -14,16 +21,27 @@ import { assertNever } from '@deepseek-ai/dsh-llm' import type {} from '@deepseek-ai/dsh-system-prompt' import { htmlToMarkdown } from './html.ts' -/** Validate value constraints the schema DSL can't express. */ -export function parseFetchArgs(args: { url: string; timeout_ms?: number }): { url: string; timeoutMs?: number } { +/** + * Validate value constraints the schema DSL can't express: a non-blank `url`. + * Throws a plain `Error` otherwise. No timeout parameter — the tool-call budget + * is deployment policy declared via `fetchTimeoutMs` config and enforced by + * `@deepseek-ai/dsh-timeout-policy`, not a model argument. + * + * @param args - the schema-validated `web_fetch` arguments. + * @returns the arguments as the seam's request fields. + */ +export function parseFetchArgs(args: { url: string }): { url: string } { if (args.url.trim().length === 0) throw new Error('url must be a non-empty string') - if (args.timeout_ms !== undefined && (!Number.isFinite(args.timeout_ms) || args.timeout_ms <= 0)) { - throw new Error('timeout_ms must be a positive number') - } - return { url: args.url, ...args.timeout_ms !== undefined ? { timeoutMs: args.timeout_ms } : {} } + return { url: args.url } } -/** Render a fetched body to model-facing markdown text. */ +/** + * Render a fetched body to model-facing markdown text. + * + * @param body - the decoded body; `html` is converted via + * {@link htmlToMarkdown}, `text` passes through verbatim. + * @returns the text for the tool's output block. + */ export function renderBody(body: WebFetchBody): string { switch (body.kind) { case 'html': @@ -36,20 +54,38 @@ export function renderBody(body: WebFetchBody): string { } } -/** Format a fetch result as one model-facing text block. */ +/** + * Format a fetch result as one model-facing text block. + * + * @param result - the seam's fetch outcome. + * @returns a `Fetched <url> (HTTP <status>)` header, the rendered body, and a + * fetch-something-narrower notice when the provider truncated the content. + */ export function formatFetchOutput(result: WebFetchResult): string { const header = `Fetched ${result.url} (HTTP ${result.statusCode})` const footer = result.truncated ? '\n\n(Content truncated. Fetch a more specific URL or section for the full text.)' : '' return `${header}\n\n${renderBody(result.body)}${footer}` } -/** Pending-call presentation: a fetch card titled by the URL. */ -export function presentFetchCall(args: { url: string; timeout_ms?: number }): GenericCallView { +/** + * Pending-call presentation: a fetch card titled by the URL. + * + * @param args - the raw tool arguments; only `url` feeds the view. + * @returns the generic card view (`kind: 'fetch'`) shown while the call runs. + */ +export function presentFetchCall(args: { url: string }): GenericCallView { return { card: 'generic', title: args.url, kind: 'fetch', rawInput: args.url } } -/** Register the `web_fetch` tool and its system-prompt guidance. */ -export function applyWebFetchTool(ctx: Context): void { +/** + * Register the `web_fetch` tool and its system-prompt guidance. + * + * @param ctx - context whose `tools` and `systemPrompt` registries receive the + * registrations; both are effect-scoped and unregister on plugin dispose. + * @param timeoutMs - the cooperative tool-call budget (ms) attached as the tool's + * `ToolDefinition.timeoutMs` for `@deepseek-ai/dsh-timeout-policy` to enforce. + */ +export function applyWebFetchTool(ctx: Context, timeoutMs: number): void { ctx.systemPrompt.section({ name: 'tool:web_fetch', order: 111, @@ -61,12 +97,12 @@ export function applyWebFetchTool(ctx: Context): void { description: 'Fetch the content of a specific HTTP(S) URL and return it decoded to text.', parameters: { url: { type: 'string', required: true, description: 'The HTTP(S) URL to fetch.' }, - timeout_ms: { type: 'number', description: 'Optional fetch timeout in milliseconds (capped by the provider).' }, }, + timeoutMs, async execute(args, exec): Promise<ContentBlock[]> { const input = parseFetchArgs(args) const result = await ctx.web.fetch( - { url: input.url, ...input.timeoutMs !== undefined ? { timeoutMs: input.timeoutMs } : {} }, + { url: input.url }, exec.signal ? { signal: exec.signal } : undefined, ) return [{ type: 'text', text: formatFetchOutput(result) }] diff --git a/packages/web/tool-web/src/html.ts b/packages/web/tool-web/src/html.ts index 622be86fd5..d848ad6225 100644 --- a/packages/web/tool-web/src/html.ts +++ b/packages/web/tool-web/src/html.ts @@ -44,6 +44,10 @@ function safeFromCodePoint(code: number, fallback: string): string { * Convert an HTML document to a readable markdown-ish text approximation. * Best-effort and lossy by design — fidelity is the job of a future heavier * converter, not this fallback. + * + * @param html - the raw HTML source. + * @returns plain text with markdown headings, list bullets, and links; + * whitespace collapsed to at most one blank line and trimmed. */ export function htmlToMarkdown(html: string): string { let text = html diff --git a/packages/web/tool-web/src/index.ts b/packages/web/tool-web/src/index.ts index df8029466a..0f948eacb6 100644 --- a/packages/web/tool-web/src/index.ts +++ b/packages/web/tool-web/src/index.ts @@ -20,7 +20,7 @@ import type { Context } from 'cordis' import z from 'schemastery' import type {} from '@deepseek-ai/dsh-web' -import { applyWebSearchTool } from './search.ts' +import { applyWebSearchTool, WEB_SEARCH_MAX_RESULTS } from './search.ts' import { applyWebFetchTool } from './fetch.ts' export { WEB_SEARCH_MAX_RESULTS, applyWebSearchTool, formatSearchOutput, parseSearchArgs, presentSearchCall } from './search.ts' @@ -33,25 +33,56 @@ export const name = 'tool-web' /** Services required by the web tool suite. */ export const inject = ['tools', 'web', 'systemPrompt'] +/** Default cooperative tool-call timeout budget (ms) for the web tools. */ +export const DEFAULT_WEB_TOOL_TIMEOUT_MS = 30_000 + +/** Plugin config: which web tools to register, the source cap, and per-tool budgets. */ export interface Config { /** Register `web_search`. Defaults to true. */ search?: boolean /** Register `web_fetch`. Defaults to true. */ fetch?: boolean + /** Upper bound on sources returned by one `web_search` call. */ + searchMaxResults?: number + /** Cooperative timeout budget (ms) for `web_fetch`. Defaults to 30000. */ + fetchTimeoutMs?: number + /** Cooperative timeout budget (ms) for `web_search`. Defaults to 30000. */ + searchTimeoutMs?: number } export const Config: z<Config> = z.object({ search: z.boolean().default(true), fetch: z.boolean().default(true), + searchMaxResults: z.number().default(WEB_SEARCH_MAX_RESULTS), + fetchTimeoutMs: z.number().default(DEFAULT_WEB_TOOL_TIMEOUT_MS), + searchTimeoutMs: z.number().default(DEFAULT_WEB_TOOL_TIMEOUT_MS), }) +/** The shape after schemastery applies its defaults to every field. */ +type ResolvedConfig = Required<Config> + +/** The result cap must be a positive integer (it bounds a provider's source list). */ +function assertPositiveInteger(name: string, value: number): void { + if (!Number.isInteger(value) || value < 1) { + throw new Error(`tool-web: ${name} must be a positive integer`) + } +} + /** * Register the enabled web tools. `search`/`fetch` default to true; a product - * that wants only one disables the other in config. The tools' disposers are + * that wants only one disables the other in config. Each tool's cooperative + * timeout budget (`fetchTimeoutMs`/`searchTimeoutMs`, default 30000) is resolved + * here and attached to the tool as `ToolDefinition.timeoutMs` for + * `@deepseek-ai/dsh-timeout-policy` to enforce. The tools' disposers are * fiber-scoped (the effect-based registries clean up on dispose), so no manual * teardown is needed. */ export function apply(ctx: Context, config: Config): void { - if (config.search !== false) applyWebSearchTool(ctx) - if (config.fetch !== false) applyWebFetchTool(ctx) + // schemastery (Config) has already filled every defaulted field. + const resolved = config as ResolvedConfig + assertPositiveInteger('searchMaxResults', resolved.searchMaxResults) + assertPositiveInteger('fetchTimeoutMs', resolved.fetchTimeoutMs) + assertPositiveInteger('searchTimeoutMs', resolved.searchTimeoutMs) + if (resolved.search) applyWebSearchTool(ctx, resolved.searchMaxResults, resolved.searchTimeoutMs) + if (resolved.fetch) applyWebFetchTool(ctx, resolved.fetchTimeoutMs) } diff --git a/packages/web/tool-web/src/search.ts b/packages/web/tool-web/src/search.ts index 6394d3f7e0..a7587d328b 100644 --- a/packages/web/tool-web/src/search.ts +++ b/packages/web/tool-web/src/search.ts @@ -13,14 +13,20 @@ import type { WebSearchResult } from '@deepseek-ai/dsh-web' import type {} from '@deepseek-ai/dsh-system-prompt' /** - * Default upper bound on returned sources. Owned by the consumer (not the - * provider or model), mirroring `dsh-tool-fs`'s `READ_LIMIT`/`GREP_LIMIT`. The - * model just asks a question; the product controls how much context returns. - * The default `8` aligns with OpenCode's Exa default. + * Default upper bound on returned sources (the `searchMaxResults` config). + * Owned by the consumer (not the provider or model), mirroring `dsh-tool-fs`'s + * `READ_LIMIT`. The model just asks a question; the product controls how much + * context returns. The default `8` aligns with OpenCode's Exa default. */ export const WEB_SEARCH_MAX_RESULTS = 8 -/** Validate value constraints the schema DSL can't express. */ +/** + * Validate value constraints the schema DSL can't express: a non-blank + * `query`. Throws a plain `Error` otherwise. + * + * @param args - the schema-validated `web_search` arguments. + * @returns the accepted arguments, passed through unchanged. + */ export function parseSearchArgs(args: { query: string }): { query: string } { if (args.query.trim().length === 0) throw new Error('query must be a non-empty string') return { query: args.query } @@ -38,7 +44,14 @@ function sourceLabel(url: string, title: string | undefined): string { } } -/** Format a search result as one model-facing text block. */ +/** + * Format a search result as one model-facing text block. + * + * @param result - the seam's search outcome. + * @returns the provider answer (when any), a markdown source list with snippet + * and date metadata (or `No results found.`), a refine-the-query note when + * truncated, and a standing cite-your-sources instruction. + */ export function formatSearchOutput(result: WebSearchResult): string { const parts: string[] = [] if (result.content !== undefined && result.content.length > 0) parts.push(result.content) @@ -62,13 +75,27 @@ export function formatSearchOutput(result: WebSearchResult): string { return parts.join('\n\n') } -/** Pending-call presentation: a search card titled by the query. */ +/** + * Pending-call presentation: a search card titled by the query. + * + * @param args - the raw tool arguments; only `query` feeds the view. + * @returns the generic card view (`kind: 'search'`) shown while the call runs. + */ export function presentSearchCall(args: { query: string }): GenericCallView { return { card: 'generic', title: args.query, kind: 'search', rawInput: args.query } } -/** Register the `web_search` tool and its system-prompt guidance. */ -export function applyWebSearchTool(ctx: Context): void { +/** + * Register the `web_search` tool and its system-prompt guidance. + * + * @param ctx - context whose `tools` and `systemPrompt` registries receive the + * registrations; both are effect-scoped and unregister on plugin dispose. + * @param maxResults - the deployment's source cap, sent as every seam + * request's `maxResults`. + * @param timeoutMs - the cooperative tool-call budget (ms) attached as the tool's + * `ToolDefinition.timeoutMs` for `@deepseek-ai/dsh-timeout-policy` to enforce. + */ +export function applyWebSearchTool(ctx: Context, maxResults: number, timeoutMs: number): void { ctx.systemPrompt.section({ name: 'tool:web_search', order: 110, @@ -81,10 +108,11 @@ export function applyWebSearchTool(ctx: Context): void { parameters: { query: { type: 'string', required: true, description: 'The search query.' }, }, + timeoutMs, async execute(args, exec): Promise<ContentBlock[]> { const input = parseSearchArgs(args) const result = await ctx.web.search( - { query: input.query, maxResults: WEB_SEARCH_MAX_RESULTS }, + { query: input.query, maxResults }, exec.signal ? { signal: exec.signal } : undefined, ) return [{ type: 'text', text: formatSearchOutput(result) }] diff --git a/packages/web/tool-web/tests/integration.spec.ts b/packages/web/tool-web/tests/integration.spec.ts index 50ae6c5624..de804e2bcd 100644 --- a/packages/web/tool-web/tests/integration.spec.ts +++ b/packages/web/tool-web/tests/integration.spec.ts @@ -1,10 +1,11 @@ /** * Integration: the real fetch backend (`dsh-web-fetch-local`) + a real search * provider (`dsh-web-search-exa`) + the real seam (`dsh-web`) + the model tool - * (`dsh-tool-web`), exercised through `ctx.tools.execute()` — nothing bypasses - * the tool registry. Fetch hits a real loopback HTTP server (verifying the - * WORLD); search runs the real Exa provider over a stubbed global `fetch` (the - * network is the one boundary we mock). + * (`dsh-tool-web`) + the tool-call timeout policy (`dsh-timeout-policy`), + * exercised through `ctx.tools.execute()` — nothing bypasses the tool registry. + * Fetch hits a real loopback HTTP server (verifying the WORLD); search runs the + * real Exa provider over a stubbed global `fetch` (the network is the one + * boundary we mock). */ import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest' @@ -18,6 +19,7 @@ import WebService from '@deepseek-ai/dsh-web' import * as WebFetchLocal from '@deepseek-ai/dsh-web-fetch-local' import * as WebSearchExa from '@deepseek-ai/dsh-web-search-exa' import * as ToolWeb from '@deepseek-ai/dsh-tool-web' +import * as TimeoutPolicy from '@deepseek-ai/dsh-timeout-policy' type Handler = (req: IncomingMessage, res: ServerResponse) => void @@ -39,6 +41,11 @@ beforeEach(async () => { await ctx.plugin(WebService, { searchProvider: WebSearchExa.EXA_PROVIDER_ID, fetchProvider: WebFetchLocal.LOCAL_FETCH_PROVIDER_ID }) await ctx.plugin(WebFetchLocal, {}) await ctx.plugin(WebSearchExa, { apiKey: 'exa-key', baseURL: 'https://api.exa.test' }) + // The shipped deployment shape: the tool-call budget is declared by tool-web + // config (default 30s, attached as ToolDefinition.timeoutMs) and enforced by + // the zero-config timeout-policy plugin, set above the provider backstop so the + // policy normally wins. + await ctx.plugin(TimeoutPolicy) fiber = await ctx.plugin(ToolWeb) }) @@ -96,3 +103,70 @@ describe('web_search integration over the real Exa provider', () => { expect(out.content.map(b => b.text).join('')).toContain('[Result](https://result.test)') }) }) + +describe('tool-call timeout policy over the migrated web tools', () => { + it('neither model schema exposes a timeout parameter after the migration', () => { + const byName = new Map(ctx.tools.schemas().map(s => [s.name, s])) + const fetchParams = byName.get('web_fetch')!.parameters as { properties: Record<string, unknown> } + const searchParams = byName.get('web_search')!.parameters as { properties: Record<string, unknown> } + expect(Object.keys(fetchParams.properties)).toEqual(['url']) + expect('timeout_ms' in fetchParams.properties).toBe(false) + expect(Object.keys(searchParams.properties)).toEqual(['query']) + }) +}) + +describe('tool-call timeout returns TOOL_TIMEOUT (deadline wins over a slow fetch)', () => { + let slowServer: Server + let slowBase: string + let openSockets: ServerResponse[] + let tctx: Context + let tfiber: Awaited<ReturnType<Context['plugin']>> + + beforeEach(async () => { + // A server that never responds: it holds the connection open until the + // client aborts. The cooperative deadline (via exec.signal → the fetch + // provider → undici) is what ends the call. + openSockets = [] + slowServer = createServer((_req, res) => { openSockets.push(res) }) + await new Promise<void>(resolve => slowServer.listen(0, '127.0.0.1', resolve)) + slowBase = `http://127.0.0.1:${(slowServer.address() as AddressInfo).port}` + + tctx = new Context() + await tctx.plugin(SystemPrompt) + await tctx.plugin(ToolRegistry) + await tctx.plugin(WebService, { fetchProvider: WebFetchLocal.LOCAL_FETCH_PROVIDER_ID }) + // Provider backstop well ABOVE the tool-call budget, so the policy wins. + await tctx.plugin(WebFetchLocal, { timeoutMs: 30_000, maxTimeoutMs: 60_000 }) + await tctx.plugin(TimeoutPolicy) + // The tool-call budget is declared by tool-web config, enforced by the policy. + tfiber = await tctx.plugin(ToolWeb, { fetchTimeoutMs: 50 }) + }) + + afterEach(async () => { + for (const res of openSockets) res.destroy() + await tfiber.dispose() + await new Promise<void>(resolve => slowServer.close(() => { resolve() })) + }) + + it('returns a structured TOOL_TIMEOUT (not the provider WEB_FETCH_TIMEOUT) when the tool-call budget wins', async () => { + const out = await tctx.tools.execute({ callId: CallId('slow-1'), name: 'web_fetch', arguments: { url: slowBase } }) + expect(out.isError).toBe(true) + // The outer tool-call deadline won: TOOL_TIMEOUT, owned by dsh-timeout-policy, + // NOT the provider's own WEB_FETCH_TIMEOUT (its 30s backstop never fired). + expect(out.error?.code).toBe('TOOL_TIMEOUT') + const text = out.content.map(b => (b.type === 'text' ? b.text : '')).join('') + expect(text).toContain('timed out after 50ms') + }) + + it('the provider backstop still protects a DIRECT ctx.web.fetch() call (no tool-call policy in that path)', async () => { + // A direct seam caller does not go through tools/execute, so the tool-call + // policy never applies; the provider's OWN timeout is the only budget. A + // short per-request hint proves the provider backstop is intact and classifies + // as WEB_FETCH_TIMEOUT (the provider-owned code), never TOOL_TIMEOUT. + const err = await tctx.web.fetch({ url: slowBase, timeoutMs: 50 }).then( + () => undefined, + (e: unknown) => e as { code?: string }, + ) + expect(err?.code).toBe('WEB_FETCH_TIMEOUT') + }) +}) diff --git a/packages/web/tool-web/tests/tool-web.spec.ts b/packages/web/tool-web/tests/tool-web.spec.ts index 7af1ce7c36..4bb2728df7 100644 --- a/packages/web/tool-web/tests/tool-web.spec.ts +++ b/packages/web/tool-web/tests/tool-web.spec.ts @@ -15,6 +15,7 @@ import { presentFetchCall, renderBody, htmlToMarkdown, + WEB_SEARCH_MAX_RESULTS, } from '@deepseek-ai/dsh-tool-web' const available: WebProviderStatus = { available: true } @@ -109,10 +110,9 @@ describe('fetch formatting', () => { expect(renderBody({ kind: 'html', content: '<p>y</p>' })).toBe('y') }) - it('validates url and timeout', () => { + it('validates url (non-empty), no timeout parameter', () => { expect(() => parseFetchArgs({ url: ' ' })).toThrow('non-empty') - expect(() => parseFetchArgs({ url: 'https://a.test', timeout_ms: -1 })).toThrow('positive') - expect(parseFetchArgs({ url: 'https://a.test', timeout_ms: 5 })).toEqual({ url: 'https://a.test', timeoutMs: 5 }) + expect(parseFetchArgs({ url: 'https://a.test' })).toEqual({ url: 'https://a.test' }) }) it('presents a fetch call as a fetch-kind card titled by the url', () => { @@ -187,16 +187,19 @@ describe('tool-web registration', () => { }) it('registers web_search even when no provider is available (schema follows enablement, not availability)', async () => { - const { fiber, ctx } = await mountTools() + const { fiber, ctx, call } = await mountTools() expect(ctx.tools.schemas().map(s => s.name)).toContain('web_search') - expect(ctx.web.searchStatus()).toEqual({ available: false, reason: 'none' }) + // No provider is registered: the schema stays visible and execution reports + // the structured unavailability instead. + const out = await call('web_search', { query: 'q' }) + expect(out.error?.code).toBe('WEB_PROVIDER_UNAVAILABLE') await fiber.dispose() }) it('contributes prompt sections for the enabled tools', async () => { const { fiber, ctx } = await mountTools() const prompt = await ctx.systemPrompt.assemble() - const text = prompt.sections.map(s => (typeof s.text === 'function' ? s.text() : s.text)).join('\n') + const text = prompt.sections.map(s => s.text).join('\n') expect(text).toContain('web_search') expect(text).toContain('web_fetch') await fiber.dispose() @@ -245,7 +248,7 @@ describe('tool-web execution through the real registry', () => { expect('default' in ToolWeb).toBe(false) }) - it('executes web_fetch, forwarding timeout_ms and the abort signal to the seam', async () => { + it('executes web_fetch, forwarding the url (no timeout param) and the abort signal to the seam', async () => { const seen: { request?: { url: string; timeoutMs?: number }; signal?: AbortSignal | undefined } = {} const fetchProvider = { id: 'stub-fetch', @@ -258,13 +261,35 @@ describe('tool-web execution through the real registry', () => { } const { ctx, fiber } = await mountTools({ webConfig: { fetchProvider: 'stub-fetch' }, fetchProvider }) const controller = new AbortController() - const out = await ctx.tools.execute({ callId: CallId('fetch-1'), name: 'web_fetch', arguments: { url: 'https://a.test', timeout_ms: 1234 }, signal: controller.signal }) + const out = await ctx.tools.execute({ callId: CallId('fetch-1'), name: 'web_fetch', arguments: { url: 'https://a.test' }, signal: controller.signal }) expect(out.isError).toBe(false) - expect(seen.request).toEqual({ url: 'https://a.test', timeoutMs: 1234 }) + // The model schema exposes no timeout: the tool forwards only the url; the + // tool-call budget is owned by dsh-timeout-policy over exec.signal. + expect(seen.request).toEqual({ url: 'https://a.test' }) expect(seen.signal).toBe(controller.signal) await fiber.dispose() }) + it('executes web_fetch with no caller signal (forwards undefined to the seam)', async () => { + const seen: { signal?: AbortSignal | undefined; passedExec?: boolean } = {} + const fetchProvider = { + id: 'stub-fetch', + status: () => available, + fetch: (request: { url: string }, exec?: { signal?: AbortSignal }) => { + seen.passedExec = exec !== undefined + seen.signal = exec?.signal + return Promise.resolve({ providerId: 'stub-fetch', url: request.url, statusCode: 200, body: { kind: 'text' as const, content: 'ok' }, truncated: false }) + }, + } + const { ctx, fiber } = await mountTools({ webConfig: { fetchProvider: 'stub-fetch' }, fetchProvider }) + // No signal on the execution: the tool passes `undefined` (not `{ signal: undefined }`). + const out = await ctx.tools.execute({ callId: CallId('fetch-2'), name: 'web_fetch', arguments: { url: 'https://a.test' } }) + expect(out.isError).toBe(false) + expect(seen.passedExec).toBe(false) + expect(seen.signal).toBeUndefined() + await fiber.dispose() + }) + it('executes web_search, forwarding the abort signal to the seam', async () => { const seen: { signal?: AbortSignal | undefined } = {} const provider: WebSearchProvider = { @@ -279,3 +304,76 @@ describe('tool-web execution through the real registry', () => { await fiber.dispose() }) }) + +describe('searchMaxResults is plugin config', () => { + it('forwards the default cap to the seam when unconfigured', async () => { + const seen: { maxResults?: number | undefined } = {} + const provider: WebSearchProvider = { + id: 'stub-search', + status: () => available, + search: (request) => { seen.maxResults = request.maxResults; return Promise.resolve({ providerId: 'stub-search', query: 'q', sources: [], truncated: false }) }, + } + const { fiber, call } = await mountTools({ webConfig: { searchProvider: 'stub-search' }, search: provider }) + await call('web_search', { query: 'q' }) + expect(seen.maxResults).toBe(WEB_SEARCH_MAX_RESULTS) + await fiber.dispose() + }) + + it('forwards a configured cap to the seam, which enforces it', async () => { + const sources = Array.from({ length: 5 }, (_, i) => ({ url: `https://s${i}.test` })) + const provider: WebSearchProvider = { + id: 'stub-search', + status: () => available, + search: request => Promise.resolve({ providerId: 'stub-search', query: request.query, sources, truncated: false }), + } + const { fiber, call } = await mountTools({ config: { searchMaxResults: 2 }, webConfig: { searchProvider: 'stub-search' }, search: provider }) + const out = await call('web_search', { query: 'q' }) + expect(out.isError).toBe(false) + const body = out.content.map(b => b.text).join('') + expect(body).toContain('https://s1.test') + expect(body).not.toContain('https://s2.test') + expect(body).toContain('Showing the first 2 sources.') + await fiber.dispose() + }) + + it.each([ + ['zero', 0], + ['negative', -3], + ['fractional', 1.5], + ])('rejects a %s searchMaxResults at load', async (_label, value) => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(WebService, {}) + await expect(ctx.plugin(ToolWeb, { searchMaxResults: value })) + .rejects.toThrow(/tool-web: searchMaxResults must be a positive integer/) + }) +}) + +describe('tool-call timeout budget is plugin config', () => { + it('attaches the default 30s budget to web_fetch and web_search', async () => { + const { fiber, ctx } = await mountTools() + expect(ctx.tools.get('web_fetch')?.timeoutMs).toBe(30_000) + expect(ctx.tools.get('web_search')?.timeoutMs).toBe(30_000) + await fiber.dispose() + }) + + it('honors per-tool timeout overrides from config', async () => { + const { fiber, ctx } = await mountTools({ config: { fetchTimeoutMs: 60_000, searchTimeoutMs: 10_000 } }) + expect(ctx.tools.get('web_fetch')?.timeoutMs).toBe(60_000) + expect(ctx.tools.get('web_search')?.timeoutMs).toBe(10_000) + await fiber.dispose() + }) + + it.each([ + ['fetchTimeoutMs', { fetchTimeoutMs: 0 }], + ['searchTimeoutMs', { searchTimeoutMs: -5 }], + ])('rejects a non-positive-integer %s at load', async (key, config) => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(WebService, {}) + await expect(ctx.plugin(ToolWeb, config)) + .rejects.toThrow(new RegExp(`tool-web: ${key} must be a positive integer`)) + }) +}) diff --git a/packages/web/tool-web/tsconfig.json b/packages/web/tool-web/tsconfig.json index 463a18dee9..5226425ec6 100644 --- a/packages/web/tool-web/tsconfig.json +++ b/packages/web/tool-web/tsconfig.json @@ -12,6 +12,7 @@ { "path": "../../llm/llm" }, { "path": "../../core/tools" }, { "path": "../../core/system-prompt" }, + { "path": "../../timeout/timeout-policy" }, { "path": "../web" } ] } diff --git a/packages/web/web-fetch-local/README.md b/packages/web/web-fetch-local/README.md index 58db557581..9c2ef0030f 100644 --- a/packages/web/web-fetch-local/README.md +++ b/packages/web/web-fetch-local/README.md @@ -6,7 +6,9 @@ This is an **implementation** package: it registers a provider into `ctx.web`, i ## Responsibility split -The provider owns **safe resource retrieval**: URL validation, HTTP transport, redirect policy, timeout, abort propagation, byte caps, charset decoding, content-type classification, and binary rejection. `@deepseek-ai/dsh-tool-web` owns **presentation** (HTML→markdown, truncation formatting). A non-2xx HTTP response is a *result* (status code + decoded body), not an error; `WebError` is reserved for failures to safely retrieve or represent the resource. +The provider owns **safe resource retrieval**: URL validation, HTTP transport, redirect policy, a resource-backstop timeout, abort propagation, byte caps, charset decoding, content-type classification, and binary rejection. `@deepseek-ai/dsh-tool-web` owns **presentation** (HTML→markdown, truncation formatting). A non-2xx HTTP response is a *result* (status code + decoded body), not an error; `WebError` is reserved for failures to safely retrieve or represent the resource. + +The provider's `timeoutMs`/`maxTimeoutMs` is a **resource backstop** for direct `ctx.web.fetch()` callers and misconfigured deployments — it is NOT the model-facing tool-call budget. The tool-call budget for `web_fetch` is deployment policy owned by [`@deepseek-ai/dsh-timeout-policy`](../../timeout/timeout-policy/README.md), which arms a per-call deadline on `exec.signal`. A shipped web-tool deployment sets the provider backstop **above** the `tool-timeout` budget, so the tool-call policy normally wins for model calls (returning `TOOL_TIMEOUT`); when the outer deadline signal reaches this provider first, it classifies as `WEB_ABORTED` and the outer wrapper replaces the result with `TOOL_TIMEOUT`. The provider's own `WEB_FETCH_TIMEOUT` only fires for a direct seam caller whose own budget elapsed. ## Transport hygiene @@ -24,8 +26,8 @@ The provider owns **safe resource retrieval**: URL validation, HTTP transport, r | `maxUrlLength` | `2048` | Maximum accepted request URL length. | | `maxResponseBytes` | `5_000_000` | Maximum response body size in bytes. | | `maxBodyChars` | `100_000` | Maximum decoded body length in characters. | -| `timeoutMs` | `30_000` | Default fetch timeout. | -| `maxTimeoutMs` | `120_000` | Upper bound for a per-request timeout override. | +| `timeoutMs` | `30_000` | Default fetch timeout — a resource backstop for direct `ctx.web.fetch()` callers, not the model-facing tool-call budget (that is `dsh-timeout-policy`). | +| `maxTimeoutMs` | `120_000` | Upper bound for a per-request timeout override (direct callers). | | `maxRedirects` | `5` | Maximum same-origin redirect hops (`0` follows none). | | `userAgent` | `deepseek-harness/…` | `User-Agent` header. | diff --git a/packages/web/web-fetch-local/package.json b/packages/web/web-fetch-local/package.json index 8d9a599a52..9b847db6f3 100644 --- a/packages/web/web-fetch-local/package.json +++ b/packages/web/web-fetch-local/package.json @@ -22,6 +22,7 @@ ], "license": "BSD-3-Clause", "peerDependencies": { + "@deepseek-ai/dsh-timeout": "^0.0.1", "@deepseek-ai/dsh-web": "^0.0.1", "cordis": "^4.0.0-rc.6" }, @@ -29,6 +30,7 @@ "schemastery": "^3.18.0" }, "devDependencies": { + "@deepseek-ai/dsh-timeout": "workspace:^", "@deepseek-ai/dsh-web": "workspace:^", "cordis": "^4.0.0-rc.6" } diff --git a/packages/web/web-fetch-local/src/index.ts b/packages/web/web-fetch-local/src/index.ts index 7eb614f39a..b6f97bf0d9 100644 --- a/packages/web/web-fetch-local/src/index.ts +++ b/packages/web/web-fetch-local/src/index.ts @@ -30,6 +30,7 @@ export const name = 'web-fetch-local' /** The web seam this provider registers into. */ export const inject = ['web'] +/** Plugin config: the provider's transport and size limits plus its `User-Agent` (all defaulted). */ export interface Config { /** Maximum accepted request URL length. */ maxUrlLength?: number diff --git a/packages/web/web-fetch-local/src/policy.ts b/packages/web/web-fetch-local/src/policy.ts index 7a76bd1af1..f37697765a 100644 --- a/packages/web/web-fetch-local/src/policy.ts +++ b/packages/web/web-fetch-local/src/policy.ts @@ -16,6 +16,10 @@ export type FetchableKind = 'html' | 'text' * enforces before any network access: http(s) only, no embedded credentials, * bounded length. Returns the parsed `URL`. Throws {@link WebError} otherwise. * (SSRF / private-network blocking is deferred — see the package RFC.) + * + * @param input - the raw URL string from the fetch request. + * @param maxUrlLength - inclusive upper bound on `input`'s length. + * @returns the parsed `URL`. */ export function validateFetchUrl(input: string, maxUrlLength: number): URL { if (input.length > maxUrlLength) { @@ -40,6 +44,10 @@ export function validateFetchUrl(input: string, maxUrlLength: number): URL { * Two URLs are same-origin when scheme, hostname, and port match. A redirect * that crosses origins is refused so each new origin requires a fresh tool call * (and thus a fresh provider/permission decision). + * + * @param a - one of the two URLs to compare. + * @param b - the other URL to compare. + * @returns true when `a` and `b` share scheme, hostname, and port. */ export function isSameOrigin(a: URL, b: URL): boolean { return a.protocol === b.protocol && a.hostname === b.hostname && a.port === b.port @@ -49,6 +57,10 @@ export function isSameOrigin(a: URL, b: URL): boolean { * Classify a response `Content-Type` into a decodable body kind, or `undefined` * for an unsupported (e.g. binary) type. `text/html` and `application/xhtml+xml` * are `html`; other `text/*` plus a few structured text types are `text`. + * + * @param contentType - the raw `Content-Type` header, or `null` when the + * response carries none (unsupported). + * @returns the decodable kind, or `undefined` for an unsupported type. */ export function classifyContentType(contentType: string | null): FetchableKind | undefined { const mime = (contentType ?? '').replace(/;.*$/s, '').trim().toLowerCase() @@ -63,6 +75,10 @@ export function classifyContentType(contentType: string | null): FetchableKind | * or `undefined` when absent. The provider feeds this label to `TextDecoder` * so a non-UTF-8 response is decoded with its declared encoding rather than * silently mangled into replacement characters. + * + * @param contentType - the raw `Content-Type` header, or `null` when the + * response carries none. + * @returns the lower-cased charset label, or `undefined` when none is declared. */ export function parseCharset(contentType: string | null): string | undefined { const match = /;\s*charset\s*=\s*"?([^";]+)"?/i.exec(contentType ?? '') @@ -74,6 +90,10 @@ export function parseCharset(contentType: string | null): string | undefined { * none is declared. Throws {@link WebError} `WEB_UNSUPPORTED_CONTENT_TYPE` when * the label is present but not a charset `TextDecoder` recognizes — better to * fail loudly than return mojibake. + * + * @param charset - the declared charset label (from {@link parseCharset}), or + * `undefined` to default to UTF-8. + * @returns a decoder for the declared (or defaulted) encoding. */ export function decoderForCharset(charset: string | undefined): TextDecoder { if (charset === undefined) return new TextDecoder('utf-8') diff --git a/packages/web/web-fetch-local/src/provider.ts b/packages/web/web-fetch-local/src/provider.ts index 29b183b710..ed332c4508 100644 --- a/packages/web/web-fetch-local/src/provider.ts +++ b/packages/web/web-fetch-local/src/provider.ts @@ -1,6 +1,6 @@ /** * `LocalFetchProvider`: a `WebFetchProvider` that retrieves a concrete public - * HTTP(S) URL with the platform-native `fetch` (Node 24) and returns a status + * HTTP(S) URL with platform-native `fetch` at the repo's Node floor and returns a status * code plus bounded decoded content. It owns SAFE RESOURCE RETRIEVAL — URL * validation, redirect policy, timeout, abort, byte caps, charset decoding, * content-type classification, binary rejection — but NOT presentation @@ -21,6 +21,7 @@ import { WebError } from '@deepseek-ai/dsh-web' import type { WebFetchBody, WebFetchProvider, WebFetchRequest, WebFetchResult, WebProviderStatus } from '@deepseek-ai/dsh-web' +import { clampTimeout, deadline, timeoutOf } from '@deepseek-ai/dsh-timeout' import { classifyContentType, decoderForCharset, isSameOrigin, parseCharset, validateFetchUrl } from './policy.ts' /** Resolved provider limits (the plugin's schemastery Config supplies defaults). */ @@ -56,35 +57,25 @@ export class LocalFetchProvider implements WebFetchProvider { } async fetch(request: WebFetchRequest, exec?: { readonly signal?: AbortSignal }): Promise<WebFetchResult> { - const timeoutMs = request.timeoutMs !== undefined - ? Math.min(request.timeoutMs, this.limits.maxTimeoutMs) - : this.limits.timeoutMs + if (exec?.signal?.aborted) throw new WebError('web fetch aborted', 'WEB_ABORTED') + const timeoutMs = clampTimeout(request.timeoutMs, this.limits.timeoutMs, this.limits.maxTimeoutMs) - // One controller drives both the caller's abort and our own timeout, so the - // network request and the streaming read both stop on either. - const controller = new AbortController() - const onAbort = (): void => { controller.abort() } - if (exec?.signal !== undefined) { - if (exec.signal.aborted) throw new WebError('web fetch aborted', 'WEB_ABORTED') - exec.signal.addEventListener('abort', onAbort, { once: true }) - } - const timer = setTimeout(() => { controller.abort(new WebError('web fetch timed out', 'WEB_FETCH_TIMEOUT')) }, timeoutMs) - - try { - return await this.followAndRead(request.url, controller) - } finally { - clearTimeout(timer) - if (exec?.signal !== undefined) exec.signal.removeEventListener('abort', onAbort) - } + // One deadline signal fuses the caller's abort with our own timeout, so the + // network request and the streaming read both stop on either. The timeout + // abort carries a TimeoutReason we recover afterward to classify the cause + // (translateAbortOrNetwork), instead of hand-rolling a controller + timer + + // reason-recovery dance. + using d = deadline(exec?.signal, timeoutMs, 'WEB_FETCH_TIMEOUT') + return await this.followAndRead(request.url, d.signal) } /** Follow same-origin redirects up to the hop cap, then read the final response. */ - private async followAndRead(initialUrl: string, controller: AbortController): Promise<WebFetchResult> { + private async followAndRead(initialUrl: string, signal: AbortSignal): Promise<WebFetchResult> { let currentUrl = validateFetchUrl(initialUrl, this.limits.maxUrlLength) let redirectsFollowed = 0 for (;;) { - const response = await this.requestOnce(currentUrl, controller) + const response = await this.requestOnce(currentUrl, signal) if (isRedirectStatus(response.status)) { // The redirect budget is enforced BEFORE this hop's target is resolved @@ -127,20 +118,20 @@ export class LocalFetchProvider implements WebFetchProvider { continue } - return await this.readBody(response, currentUrl, controller.signal) + return await this.readBody(response, currentUrl, signal) } } - private async requestOnce(url: URL, controller: AbortController): Promise<Response> { + private async requestOnce(url: URL, signal: AbortSignal): Promise<Response> { try { return await fetch(url, { method: 'GET', redirect: 'manual', headers: { 'user-agent': this.limits.userAgent, 'accept': 'text/html,application/xhtml+xml,text/*;q=0.9,application/json;q=0.8' }, - signal: controller.signal, + signal, }) } catch (error: unknown) { - throw translateAbortOrNetwork(error, controller.signal) + throw translateAbortOrNetwork(error, signal) } } @@ -255,24 +246,18 @@ function resolveRedirect(location: string, base: URL): URL { } /** - * Translate a thrown fetch/stream error into a `WebError`. Our own - * `WEB_FETCH_TIMEOUT` (passed to `controller.abort(reason)`) and any other - * already-typed `WebError` pass through; an `AbortError` becomes `WEB_ABORTED`, - * UNLESS the abort was our timeout — the body-read reader surfaces a generic - * `AbortError` rather than the abort reason, so we recover the timeout's - * `WebError` from `signal.reason`; anything else is a transport/network failure - * (`WEB_PROVIDER_ERROR`). + * Translate a thrown fetch/stream error into a `WebError`, classified by the + * deadline signal rather than the error's shape (which differs by phase: the + * request-phase `fetch` rejects with the abort reason, while the read-phase + * reader surfaces a bare `AbortError`). `timeoutOf(signal, 'WEB_FETCH_TIMEOUT')` + * recovering OUR reason means our timeout fired (`WEB_FETCH_TIMEOUT`); any other + * abort — an upstream cancel, or a foreign/outer deadline's timeout under + * nesting — is `WEB_ABORTED`; a throw with the signal NOT aborted is a + * transport/network failure (`WEB_PROVIDER_ERROR`). */ -function translateAbortOrNetwork(error: unknown, signal?: AbortSignal): WebError { - if (error instanceof WebError) return error - if (error instanceof DOMException && error.name === 'AbortError') { - // A timeout abort carries its WebError as the signal reason; honor the - // WEB_FETCH_TIMEOUT contract instead of reporting a generic cancellation. - // (Node rejects WITH the reason — the WebError branch above — so this only - // fires on a runtime that surfaces a bare AbortError while reason is set.) - /* v8 ignore next */ - if (signal?.reason instanceof WebError) return signal.reason - return new WebError('web fetch aborted', 'WEB_ABORTED', { cause: error }) - } +function translateAbortOrNetwork(error: unknown, signal: AbortSignal): WebError { + const timeout = timeoutOf(signal, 'WEB_FETCH_TIMEOUT') + if (timeout !== undefined) return new WebError('web fetch timed out', 'WEB_FETCH_TIMEOUT', { cause: timeout }) + if (signal.aborted) return new WebError('web fetch aborted', 'WEB_ABORTED', { cause: error }) return new WebError(`web fetch failed: ${String(error)}`, 'WEB_PROVIDER_ERROR', { cause: error }) } diff --git a/packages/web/web-fetch-local/tests/fetch-local.spec.ts b/packages/web/web-fetch-local/tests/fetch-local.spec.ts index 27ed991c08..7d4c4e683b 100644 --- a/packages/web/web-fetch-local/tests/fetch-local.spec.ts +++ b/packages/web/web-fetch-local/tests/fetch-local.spec.ts @@ -377,9 +377,11 @@ describe('web-fetch-local plugin registration', () => { const ctx = new Context() await ctx.plugin(WebService, { fetchProvider: LOCAL_FETCH_PROVIDER_ID }) const fiber = await ctx.plugin(fetchPlugin, {}) - expect(ctx.web.fetchStatus()).toEqual({ available: true, providerId: LOCAL_FETCH_PROVIDER_ID }) + await expect(ctx.web.fetch({ url: `${base}/` })) + .resolves.toMatchObject({ providerId: LOCAL_FETCH_PROVIDER_ID, statusCode: 200 }) await fiber.dispose() - expect(ctx.web.fetchStatus()).toEqual({ available: false, reason: 'configured-missing' }) + await expect(ctx.web.fetch({ url: `${base}/` })) + .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CONFIGURED_MISSING' })) }) it('has no default export (namespace plugin export shape)', () => { @@ -418,7 +420,8 @@ describe('web-fetch-local plugin registration', () => { const ctx = new Context() await ctx.plugin(WebService, { fetchProvider: LOCAL_FETCH_PROVIDER_ID }) const fiber = await ctx.plugin(fetchPlugin, { maxRedirects: 0 }) - expect(ctx.web.fetchStatus()).toEqual({ available: true, providerId: LOCAL_FETCH_PROVIDER_ID }) + await expect(ctx.web.fetch({ url: `${base}/` })) + .resolves.toMatchObject({ providerId: LOCAL_FETCH_PROVIDER_ID, statusCode: 200 }) await fiber.dispose() }) }) diff --git a/packages/web/web-fetch-local/tsconfig.json b/packages/web/web-fetch-local/tsconfig.json index aa7c949fec..c6fb75a5c1 100644 --- a/packages/web/web-fetch-local/tsconfig.json +++ b/packages/web/web-fetch-local/tsconfig.json @@ -17,6 +17,9 @@ { "path": "../../../vendor/schemastery" }, + { + "path": "../../util/timeout" + }, { "path": "../web" } diff --git a/packages/web/web-search-deepseek/src/index.ts b/packages/web/web-search-deepseek/src/index.ts index c993fa8808..2c3f0ede3b 100644 --- a/packages/web/web-search-deepseek/src/index.ts +++ b/packages/web/web-search-deepseek/src/index.ts @@ -44,6 +44,7 @@ export const name = 'web-search-deepseek' /** The web seam this provider registers into. */ export const inject = ['web'] +/** Plugin config (all optional — `apply` fills env-var and constant defaults). */ export interface Config { /** DeepSeek API key. Falls back to `$DEEPSEEK_API_KEY`. Empty → unavailable. */ apiKey?: string diff --git a/packages/web/web-search-deepseek/src/provider.ts b/packages/web/web-search-deepseek/src/provider.ts index 40566b4f75..fca8620e2a 100644 --- a/packages/web/web-search-deepseek/src/provider.ts +++ b/packages/web/web-search-deepseek/src/provider.ts @@ -12,7 +12,7 @@ * `web_search_tool_result` block (native search did not trigger), it throws * `WEB_PROVIDER_ERROR` rather than degrading to prose-scraping. * - * Network requests use platform-native `fetch` (Node 24), mirroring + * Network requests use platform-native `fetch` at the repo's Node floor, mirroring * `@deepseek-ai/dsh-llm-deepseek`'s adapter — not a cordis HTTP-client service. * The Anthropic wire shape is a provider-private detail and does NOT make this * provider depend on `ctx.llm`. @@ -62,6 +62,7 @@ export const DEEPSEEK_DEFAULT_MAX_USES = 5 /** Attribution header sent on every request. Bump with the package version. */ const USER_AGENT = 'deepseek-harness/0.0.1' +/** Resolved provider options (the plugin's `apply` supplies env-var and constant defaults). */ export interface DeepSeekSearchProviderOptions { /** DeepSeek API key. Empty/absent → `status()` reports `missing-credential`. */ apiKey: string @@ -82,6 +83,9 @@ export interface DeepSeekSearchProviderOptions { * is the snippet surface: Anthropic `web_search_result` items carry * `url`/`title`/`page_age` but typically NO inline snippet — the excerpt lives * in a separate `text` block's citation, keyed by `url` (first occurrence wins). + * + * @param blocks - the response's content blocks; non-`text` blocks are skipped. + * @returns the `url → cited_text` map (empty when no citations are present). */ export function citationSnippets(blocks: readonly ContentBlock[]): Map<string, string> { const map = new Map<string, string>() @@ -106,6 +110,10 @@ export function citationSnippets(blocks: readonly ContentBlock[]): Map<string, s * Throws `WEB_PROVIDER_ERROR` (strict mode) when no `web_search_tool_result` * block is present — native search did not trigger, and prose-scraping is not a * fallback. + * + * @param query - the original request query, echoed on the result. + * @param response - the parsed Messages response body. + * @returns the normalized result with deduped, snippet-joined sources. */ export function mapAnthropicResponse(query: string, response: AnthropicResponse): WebSearchResult { const blocks = response.content ?? [] diff --git a/packages/web/web-search-deepseek/tests/deepseek.e2e.ts b/packages/web/web-search-deepseek/tests/deepseek.e2e.ts index ae4dc3bf6a..f828fbd12e 100644 --- a/packages/web/web-search-deepseek/tests/deepseek.e2e.ts +++ b/packages/web/web-search-deepseek/tests/deepseek.e2e.ts @@ -28,7 +28,7 @@ maybe('DeepSeekSearchProvider real API', () => { maxTokens: DEEPSEEK_DEFAULT_MAX_TOKENS, maxUses: DEEPSEEK_DEFAULT_MAX_USES, }) - const result = await provider.search({ query: 'What is the DeepSeek coding agent?', maxResults: 5 }) + const result = await provider.search({ query: 'What is the DeepSeek Harness SDK?', maxResults: 5 }) expect(result.providerId).toBe('deepseek') expect(result.sources.length).toBeGreaterThan(0) for (const source of result.sources) expect(source.url).toMatch(/^https?:\/\//) diff --git a/packages/web/web-search-deepseek/tests/deepseek.spec.ts b/packages/web/web-search-deepseek/tests/deepseek.spec.ts index ef688b7ad2..0faab1f35a 100644 --- a/packages/web/web-search-deepseek/tests/deepseek.spec.ts +++ b/packages/web/web-search-deepseek/tests/deepseek.spec.ts @@ -264,12 +264,14 @@ describe('DeepSeekSearchProvider error handling', () => { describe('web-search-deepseek plugin registration', () => { it('registers the provider into ctx.web (HMR-safe)', async () => { + vi.stubGlobal('fetch', vi.fn(async () => jsonResponse(searchResponse()))) const ctx = new Context() await ctx.plugin(WebService, { searchProvider: DEEPSEEK_PROVIDER_ID }) const fiber = await ctx.plugin(deepseekPlugin, { apiKey: 'ds-key' }) - expect(ctx.web.searchStatus()).toEqual({ available: true, providerId: DEEPSEEK_PROVIDER_ID }) + await expect(ctx.web.search({ query: 'q' })).resolves.toMatchObject({ providerId: DEEPSEEK_PROVIDER_ID }) await fiber.dispose() - expect(ctx.web.searchStatus()).toEqual({ available: false, reason: 'configured-missing' }) + await expect(ctx.web.search({ query: 'q' })) + .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CONFIGURED_MISSING' })) }) it('rejects maxTokens: 0 at plugin construction', async () => { @@ -315,13 +317,14 @@ describe('web-search-deepseek plugin registration', () => { }) it('boots over ctx.web through the unwrapped module without an inject error', async () => { + vi.stubGlobal('fetch', vi.fn(async () => jsonResponse(searchResponse()))) const ctx = new Context() await ctx.plugin(WebService, { searchProvider: DEEPSEEK_PROVIDER_ID }) const loader = Object.create(Loader.prototype) as Loader const unwrapped = loader.unwrapExports(deepseekPlugin) as Parameters<Context['plugin']>[0] // A collapsed export shape (dropped inject) would throw "without inject" here. const fiber = await ctx.plugin(unwrapped, { apiKey: 'ds-key' }) - expect(ctx.web.searchStatus()).toEqual({ available: true, providerId: DEEPSEEK_PROVIDER_ID }) + await expect(ctx.web.search({ query: 'q' })).resolves.toMatchObject({ providerId: DEEPSEEK_PROVIDER_ID }) await fiber.dispose() }) @@ -334,7 +337,6 @@ describe('web-search-deepseek plugin registration', () => { const ctx = new Context() await ctx.plugin(WebService, { searchProvider: DEEPSEEK_PROVIDER_ID }) const fiber = await ctx.plugin(deepseekPlugin, {}) - expect(ctx.web.searchStatus()).toEqual({ available: true, providerId: DEEPSEEK_PROVIDER_ID }) await ctx.web.search({ query: 'q' }) const [url, init] = fetchMock.mock.calls[0] as unknown as [string, RequestInit] expect(url).toBe('https://api.deepseek.com/anthropic/v1/messages') @@ -354,7 +356,8 @@ describe('web-search-deepseek plugin registration', () => { const ctx = new Context() await ctx.plugin(WebService, { searchProvider: DEEPSEEK_PROVIDER_ID }) await ctx.plugin(deepseekPlugin, {}) - expect(ctx.web.searchStatus()).toEqual({ available: false, reason: 'configured-unavailable' }) + await expect(ctx.web.search({ query: 'q' })) + .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CONFIGURED_UNAVAILABLE' })) } finally { if (prev !== undefined) process.env.DEEPSEEK_API_KEY = prev } diff --git a/packages/web/web-search-exa/src/index.ts b/packages/web/web-search-exa/src/index.ts index 39a20b16a4..fc284dd79a 100644 --- a/packages/web/web-search-exa/src/index.ts +++ b/packages/web/web-search-exa/src/index.ts @@ -35,6 +35,7 @@ export const name = 'web-search-exa' /** The web seam this provider registers into. */ export const inject = ['web'] +/** Plugin config (all optional — `apply` fills env-var and constant defaults). */ export interface Config { /** Exa API key. Falls back to `$EXA_API_KEY`. Empty → provider unavailable. */ apiKey?: string diff --git a/packages/web/web-search-exa/src/provider.ts b/packages/web/web-search-exa/src/provider.ts index f187f90344..48514c07bd 100644 --- a/packages/web/web-search-exa/src/provider.ts +++ b/packages/web/web-search-exa/src/provider.ts @@ -6,7 +6,7 @@ * `title`, the first highlight as `snippet`, and `publishedDate` as * `publishedAt`. * - * Network requests use platform-native `fetch` (Node 24), mirroring + * Network requests use platform-native `fetch` at the repo's Node floor, mirroring * `@deepseek-ai/dsh-llm-deepseek`'s adapter — not a cordis HTTP-client service. * * @module @deepseek-ai/dsh-web-search-exa/provider @@ -37,6 +37,7 @@ export const EXA_DEFAULT_HIGHLIGHTS_PER_RESULT = 1 /** Attribution header sent on every request. Bump with the package version. */ const USER_AGENT = 'deepseek-harness/0.0.1' +/** Resolved provider options (the plugin's `apply` supplies env-var and constant defaults). */ export interface ExaSearchProviderOptions { /** Exa API key. Empty/absent → `status()` reports `missing-credential`. */ apiKey: string @@ -54,6 +55,10 @@ export interface ExaSearchProviderOptions { * Map one Exa result to a normalized source, or `undefined` when it carries no * portable snippet (an entry with no highlight is dropped — the seam has no * other field to derive a snippet from, and inventing one would lie). + * + * @param result - one entry of Exa's `results[]`. + * @returns the normalized source, or `undefined` when the entry has no + * non-blank highlight. */ export function mapExaResult(result: ExaResult): WebSearchSource | undefined { const snippet = result.highlights?.find(highlight => highlight.trim().length > 0) @@ -66,7 +71,14 @@ export function mapExaResult(result: ExaResult): WebSearchSource | undefined { } } -/** Map an Exa response envelope to a normalized search result. */ +/** + * Map an Exa response envelope to a normalized search result. + * + * @param query - the original request query, echoed on the result. + * @param response - the parsed `POST /search` response body. + * @returns the normalized result; snippet-less entries are dropped + * ({@link mapExaResult}). + */ export function mapExaResponse(query: string, response: ExaSearchResponse): WebSearchResult { const sources = (response.results ?? []) .map(mapExaResult) diff --git a/packages/web/web-search-exa/tests/exa.e2e.ts b/packages/web/web-search-exa/tests/exa.e2e.ts index 84c0214228..c9e9233bc0 100644 --- a/packages/web/web-search-exa/tests/exa.e2e.ts +++ b/packages/web/web-search-exa/tests/exa.e2e.ts @@ -16,7 +16,7 @@ maybe('ExaSearchProvider real API', () => { searchType: EXA_DEFAULT_SEARCH_TYPE, highlightsPerResult: EXA_DEFAULT_HIGHLIGHTS_PER_RESULT, }) - const result = await provider.search({ query: 'DeepSeek coding agent', maxResults: 5 }) + const result = await provider.search({ query: 'DeepSeek Harness SDK', maxResults: 5 }) expect(result.providerId).toBe('exa') expect(result.sources.length).toBeGreaterThan(0) for (const source of result.sources) expect(source.url).toMatch(/^https?:\/\//) diff --git a/packages/web/web-search-exa/tests/exa.spec.ts b/packages/web/web-search-exa/tests/exa.spec.ts index 9cf31332f5..204b18f702 100644 --- a/packages/web/web-search-exa/tests/exa.spec.ts +++ b/packages/web/web-search-exa/tests/exa.spec.ts @@ -205,12 +205,14 @@ describe('ExaSearchProvider error handling', () => { describe('web-search-exa plugin registration', () => { it('registers the provider into ctx.web (HMR-safe)', async () => { + vi.stubGlobal('fetch', vi.fn(async () => jsonResponse({ results: [] }))) const ctx = new Context() await ctx.plugin(WebService, { searchProvider: EXA_PROVIDER_ID }) const fiber = await ctx.plugin(exaPlugin, { apiKey: 'exa-key' }) - expect(ctx.web.searchStatus()).toEqual({ available: true, providerId: EXA_PROVIDER_ID }) + await expect(ctx.web.search({ query: 'q' })).resolves.toMatchObject({ providerId: EXA_PROVIDER_ID }) await fiber.dispose() - expect(ctx.web.searchStatus()).toEqual({ available: false, reason: 'configured-missing' }) + await expect(ctx.web.search({ query: 'q' })) + .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CONFIGURED_MISSING' })) }) it('has no default export (namespace plugin export shape)', () => { @@ -238,7 +240,6 @@ describe('web-search-exa plugin registration', () => { const ctx = new Context() await ctx.plugin(WebService, { searchProvider: EXA_PROVIDER_ID }) const fiber = await ctx.plugin(exaPlugin, {}) - expect(ctx.web.searchStatus()).toEqual({ available: true, providerId: EXA_PROVIDER_ID }) await ctx.web.search({ query: 'q' }) const [url] = fetchMock.mock.calls[0] as unknown as [string] expect(url).toBe('https://api.exa.ai/search') @@ -256,7 +257,8 @@ describe('web-search-exa plugin registration', () => { const ctx = new Context() await ctx.plugin(WebService, { searchProvider: EXA_PROVIDER_ID }) await ctx.plugin(exaPlugin, {}) - expect(ctx.web.searchStatus()).toEqual({ available: false, reason: 'configured-unavailable' }) + await expect(ctx.web.search({ query: 'q' })) + .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CONFIGURED_UNAVAILABLE' })) } finally { if (prev !== undefined) process.env.EXA_API_KEY = prev } diff --git a/packages/web/web-search-perplexity/src/index.ts b/packages/web/web-search-perplexity/src/index.ts index 3d375eaabb..b71d5052d6 100644 --- a/packages/web/web-search-perplexity/src/index.ts +++ b/packages/web/web-search-perplexity/src/index.ts @@ -29,6 +29,7 @@ export const name = 'web-search-perplexity' /** The web seam this provider registers into. */ export const inject = ['web'] +/** Plugin config (all optional — `apply` fills env-var and constant defaults). */ export interface Config { /** Perplexity API key. Falls back to `$PERPLEXITY_API_KEY`. Empty → unavailable. */ apiKey?: string diff --git a/packages/web/web-search-perplexity/src/provider.ts b/packages/web/web-search-perplexity/src/provider.ts index ed72ea82c3..a008438c9a 100644 --- a/packages/web/web-search-perplexity/src/provider.ts +++ b/packages/web/web-search-perplexity/src/provider.ts @@ -5,7 +5,7 @@ * structured `search_results[]` for `sources[]`, falling back to the URL-only * `citations[]` when `search_results` is absent. * - * Network requests use platform-native `fetch` (Node 24), mirroring + * Network requests use platform-native `fetch` at the repo's Node floor, mirroring * `@deepseek-ai/dsh-llm-deepseek`'s adapter. The OpenAI-compatible request shape * is a provider-private detail and does NOT make this provider depend on * `ctx.llm`. @@ -41,6 +41,7 @@ export type PerplexityRecency = 'day' | 'week' | 'month' | 'year' /** Attribution header sent on every request. Bump with the package version. */ const USER_AGENT = 'deepseek-harness/0.0.1' +/** Resolved provider options (the plugin's `apply` supplies env-var and constant defaults). */ export interface PerplexitySearchProviderOptions { /** Perplexity API key. Empty/absent → `status()` reports `missing-credential`. */ apiKey: string @@ -54,7 +55,12 @@ export interface PerplexitySearchProviderOptions { searchRecency?: PerplexityRecency } -/** Map one structured Perplexity search result to a normalized source. */ +/** + * Map one structured Perplexity search result to a normalized source. + * + * @param result - one entry of the response's `search_results[]`. + * @returns the normalized source; blank fields are omitted rather than set empty. + */ export function mapPerplexityResult(result: PerplexitySearchResult): WebSearchSource { return { url: result.url, @@ -68,6 +74,10 @@ export function mapPerplexityResult(result: PerplexitySearchResult): WebSearchSo * Map a Perplexity response envelope to a normalized search result. Prefers * structured `search_results[]`; falls back to URL-only `citations[]` (those * sources carry just a `url`) only when `search_results` is absent. + * + * @param query - the original request query, echoed on the result. + * @param response - the parsed chat-completions response body. + * @returns the normalized result; `content` is omitted when the answer is empty. */ export function mapPerplexityResponse(query: string, response: PerplexityResponse): WebSearchResult { const content = response.choices?.[0]?.message?.content diff --git a/packages/web/web-search-perplexity/tests/perplexity.e2e.ts b/packages/web/web-search-perplexity/tests/perplexity.e2e.ts index 02aaa914e6..2fc89db7d4 100644 --- a/packages/web/web-search-perplexity/tests/perplexity.e2e.ts +++ b/packages/web/web-search-perplexity/tests/perplexity.e2e.ts @@ -16,7 +16,7 @@ maybe('PerplexitySearchProvider real API', () => { model: process.env.PERPLEXITY_MODEL ?? PERPLEXITY_DEFAULT_MODEL, maxTokens: PERPLEXITY_DEFAULT_MAX_TOKENS, }) - const result = await provider.search({ query: 'What is the DeepSeek coding agent?', maxResults: 5 }) + const result = await provider.search({ query: 'What is the DeepSeek Harness SDK?', maxResults: 5 }) expect(result.providerId).toBe('perplexity') expect(result.content ?? '').not.toBe('') for (const source of result.sources) expect(source.url).toMatch(/^https?:\/\//) diff --git a/packages/web/web-search-perplexity/tests/perplexity.spec.ts b/packages/web/web-search-perplexity/tests/perplexity.spec.ts index 70a9a4c98b..df8a98f003 100644 --- a/packages/web/web-search-perplexity/tests/perplexity.spec.ts +++ b/packages/web/web-search-perplexity/tests/perplexity.spec.ts @@ -186,12 +186,14 @@ describe('PerplexitySearchProvider error handling', () => { describe('web-search-perplexity plugin registration', () => { it('registers the provider into ctx.web (HMR-safe)', async () => { + vi.stubGlobal('fetch', vi.fn(async () => jsonResponse({ choices: [{ message: { content: 'a' } }], citations: [] }))) const ctx = new Context() await ctx.plugin(WebService, { searchProvider: PERPLEXITY_PROVIDER_ID }) const fiber = await ctx.plugin(perplexityPlugin, { apiKey: 'pplx-key' }) - expect(ctx.web.searchStatus()).toEqual({ available: true, providerId: PERPLEXITY_PROVIDER_ID }) + await expect(ctx.web.search({ query: 'q' })).resolves.toMatchObject({ providerId: PERPLEXITY_PROVIDER_ID }) await fiber.dispose() - expect(ctx.web.searchStatus()).toEqual({ available: false, reason: 'configured-missing' }) + await expect(ctx.web.search({ query: 'q' })) + .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CONFIGURED_MISSING' })) }) it('has no default export (namespace plugin export shape)', () => { @@ -219,7 +221,6 @@ describe('web-search-perplexity plugin registration', () => { const ctx = new Context() await ctx.plugin(WebService, { searchProvider: PERPLEXITY_PROVIDER_ID }) const fiber = await ctx.plugin(perplexityPlugin, {}) - expect(ctx.web.searchStatus()).toEqual({ available: true, providerId: PERPLEXITY_PROVIDER_ID }) await ctx.web.search({ query: 'q' }) const [url, init] = fetchMock.mock.calls[0] as unknown as [string, RequestInit] expect(url).toBe('https://api.perplexity.ai/chat/completions') @@ -238,7 +239,8 @@ describe('web-search-perplexity plugin registration', () => { const ctx = new Context() await ctx.plugin(WebService, { searchProvider: PERPLEXITY_PROVIDER_ID }) await ctx.plugin(perplexityPlugin, {}) - expect(ctx.web.searchStatus()).toEqual({ available: false, reason: 'configured-unavailable' }) + await expect(ctx.web.search({ query: 'q' })) + .rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_CONFIGURED_UNAVAILABLE' })) } finally { if (prev !== undefined) process.env.PERPLEXITY_API_KEY = prev } diff --git a/packages/web/web/README.md b/packages/web/web/README.md index 9b9e2ca333..fe5f1e650e 100644 --- a/packages/web/web/README.md +++ b/packages/web/web/README.md @@ -18,8 +18,7 @@ Search and fetch share no request schema and no business logic, but they are del | Member | Semantics | |---|---| -| `registerSearchProvider(provider)` / `registerFetchProvider(provider)` | Register a backend. Throws `WebError` `WEB_DUPLICATE_PROVIDER` on a duplicate id within that capability kind. Returns a disposer; emits `web/providers-change` on register and on dispose. Disposed with the calling fiber. | -| `searchStatus()` / `fetchStatus()` | Derived (never stored) `WebCapabilityStatus`: whether the capability has a selected usable provider, or the broad category it fails in. Diagnostics + execution-resolution input. | +| `registerSearchProvider(provider)` / `registerFetchProvider(provider)` | Register a backend. Throws `WebError` `WEB_DUPLICATE_PROVIDER` on a duplicate id within that capability kind. Returns a disposer. Disposed with the calling fiber. | | `search(request, exec?)` | Resolve the search provider and run one search. Enforces `request.maxResults` on the result (truncates `sources[]`, sets `truncated`). Throws `WebError` when the capability cannot run. | | `fetch(request, exec?)` | Resolve the fetch provider and retrieve one URL. A non-2xx response is a result, not a throw. Throws `WebError` for failures to safely retrieve or represent the resource. | @@ -27,18 +26,18 @@ Providers register **capabilities**, not tools. `dsh-tool-web` is the only owner ## Selection -Selection never depends on registration, config, or HMR order. A capability has an explicit provider id (config `searchProvider`/`fetchProvider`, or env `$DSH_WEB_SEARCH_PROVIDER`/`$DSH_WEB_FETCH_PROVIDER` feeding the same fields), or auto-selects when exactly one usable provider is registered: +Selection never depends on registration, config, or HMR order. A capability has an explicit provider id (config `searchProvider`/`fetchProvider`, or env `$DSH_WEB_SEARCH_PROVIDER`/`$DSH_WEB_FETCH_PROVIDER` feeding the same fields), or auto-selects when exactly one usable provider is registered. `search()`/`fetch()` resolve the provider at execution time: -| Situation | `WebCapabilityStatus` | Execution | -|---|---|---| -| configured id registered and `status().available` | `available` for it | runs | -| configured id not registered | `configured-missing` | `WEB_PROVIDER_CONFIGURED_MISSING` | -| configured id registered but unavailable | `configured-unavailable` | `WEB_PROVIDER_CONFIGURED_UNAVAILABLE` | -| no id, exactly one registered usable provider | `available` for it | runs | -| no id, no usable provider | `none` | `WEB_PROVIDER_UNAVAILABLE` | -| no id, multiple usable providers | `ambiguous` | `WEB_PROVIDER_AMBIGUOUS` | +| Situation | Execution | +|---|---| +| configured id registered and `status().available` | runs that provider | +| configured id not registered | `WEB_PROVIDER_CONFIGURED_MISSING` | +| configured id registered but unavailable | `WEB_PROVIDER_CONFIGURED_UNAVAILABLE` | +| no id, exactly one registered usable provider | runs it | +| no id, no usable provider | `WEB_PROVIDER_UNAVAILABLE` | +| no id, multiple usable providers | `WEB_PROVIDER_AMBIGUOUS` | -`WebCapabilityStatus` carries only `available` + a `reason` discriminant (plus the winning `providerId` on the available branch). The branchable per-reason detail lives in the thrown `WebError`, which is the surface callers route on — so the same fact never gets two homes that can disagree. A provider's own `status()` is a cheap local check (credential presence, parseable config) and **must not make network calls**; `dsh-tool-web` reads only the aggregated `searchStatus()`/`fetchStatus()`, never each provider's `status()` directly. +The failure branches throw `WebError`, whose structured code (plus message detail — the missing id, the ambiguous candidate set) is the surface callers route on. A provider's own `status()` is a cheap local check (credential presence, parseable config) that feeds this execution-time selection and **must not make network calls**; `dsh-tool-web` never calls a provider's `status()` — it executes through `ctx.web.search()`/`fetch()` and routes on the thrown codes, so provider selection has one owner. ## Vocabulary diff --git a/packages/web/web/src/index.ts b/packages/web/web/src/index.ts index 76c8065b30..5da736a85a 100644 --- a/packages/web/web/src/index.ts +++ b/packages/web/web/src/index.ts @@ -3,15 +3,14 @@ * execution surface for two capabilities — search and fetch. Provider packages * register concrete backends with `registerSearchProvider` / * `registerFetchProvider`; the model-facing consumer - * (`@deepseek-ai/dsh-tool-web`) reads capability status and executes through - * `search()` / `fetch()`. + * (`@deepseek-ai/dsh-tool-web`) executes through `search()` / `fetch()` and + * routes on the structured {@link WebError} codes selection throws. * * The registry half stays close to `LlmService`: a `Map<id, provider>` per * capability kind, register methods that return disposers, duplicate ids that * throw, and execution-time resolution that throws when the selected provider is - * absent or unusable. On top of that sits one small selection-status layer so - * diagnostics and execution can explain why a capability can or cannot run, - * independent of registration order. + * absent or unusable — with selection rules that never depend on registration + * order. * * @module @deepseek-ai/dsh-web */ @@ -19,7 +18,6 @@ import { Context, Service } from 'cordis' import z from 'schemastery' import type { - WebCapabilityStatus, WebExecContext, WebFetchProvider, WebFetchRequest, @@ -35,7 +33,6 @@ export { WebError, } from './types.ts' export type { - WebCapabilityStatus, WebExecContext, WebFetchBody, WebFetchProvider, @@ -52,21 +49,9 @@ declare module 'cordis' { interface Context { web: WebService } - - interface Events { - /** - * Fired after the provider registry changes — a search or fetch provider was - * registered or disposed. Carries no payload and no capability graph: it - * means only "the provider registry changed; observers may recompute status - * from `ctx.web`". `searchStatus()` / `fetchStatus()` stay derived, not - * stored. - * @mode emit - */ - 'web/providers-change'(this: WebService): void - } } -/** Selection inputs shared by the status query and execution resolution. */ +/** Selection inputs for execution-time provider resolution. */ interface Selection<P> { /** The configured provider id for this capability, if any. */ readonly configuredId?: string @@ -90,17 +75,14 @@ export interface WebServiceConfig { /** * The web access service. Registered as `ctx.web` (one instance per context). * - * Selection semantics (identical for status and execution, never order- - * dependent): + * Selection semantics (resolved at execution time, never order-dependent): * - A configured id that is registered and `status().available` → that provider. - * - A configured id not registered → `configured-missing` / - * `WEB_PROVIDER_CONFIGURED_MISSING`. - * - A configured id registered but unavailable → `configured-unavailable` / + * - A configured id not registered → `WEB_PROVIDER_CONFIGURED_MISSING`. + * - A configured id registered but unavailable → * `WEB_PROVIDER_CONFIGURED_UNAVAILABLE`. * - No id configured, exactly one registered usable provider → that provider. - * - No id configured, multiple usable providers → `ambiguous` / - * `WEB_PROVIDER_AMBIGUOUS`. - * - No id configured, no usable provider → `none` / `WEB_PROVIDER_UNAVAILABLE`. + * - No id configured, multiple usable providers → `WEB_PROVIDER_AMBIGUOUS`. + * - No id configured, no usable provider → `WEB_PROVIDER_UNAVAILABLE`. */ export class WebService extends Service { /** @@ -126,9 +108,8 @@ export class WebService extends Service { /** * Register a search provider. Throws {@link WebError} `WEB_DUPLICATE_PROVIDER` - * if its id is already registered for search. Returns a disposer; emits - * `web/providers-change` after a successful register and again on dispose. - * Disposed with the calling fiber. + * if its id is already registered for search. Returns a disposer; disposed + * with the calling fiber. * @param provider - the provider; its `id` is the registry key. * @returns the disposer that unregisters the provider. */ @@ -138,9 +119,8 @@ export class WebService extends Service { /** * Register a fetch provider. Throws {@link WebError} `WEB_DUPLICATE_PROVIDER` - * if its id is already registered for fetch. Returns a disposer; emits - * `web/providers-change` after a successful register and again on dispose. - * Disposed with the calling fiber. + * if its id is already registered for fetch. Returns a disposer; disposed + * with the calling fiber. * @param provider - the provider; its `id` is the registry key. * @returns the disposer that unregisters the provider. */ @@ -152,45 +132,15 @@ export class WebService extends Service { if (store.has(provider.id)) { throw new WebError(`a web provider with id "${provider.id}" is already registered`, 'WEB_DUPLICATE_PROVIDER') } - const dispose = this.ctx.effect(function* (this: WebService) { + const dispose = this.ctx.effect(function* () { store.set(provider.id, provider) - // Yield the rollback BEFORE emitting `web/providers-change`: the generator - // effect collects each yielded disposer before the next step runs, so a - // throwing change listener removes the just-added provider instead of - // leaking it into the registry. - yield () => { - store.delete(provider.id) - this.ctx.emit('web/providers-change') - } - this.ctx.emit('web/providers-change') - }.bind(this), 'web.registerProvider()') + yield () => store.delete(provider.id) + }, 'web.registerProvider()') // ctx.effect's disposer returns Promise<void>; our disposer API is // synchronous fire-and-forget — discard the (always-resolved) promise. return () => void dispose() } - /** - * Search-capability selection status, derived live (never stored). - * @returns which provider would serve a search right now, or why none would. - */ - searchStatus(): WebCapabilityStatus { - return resolveStatus({ - providers: this.searchProviders, - ...this.searchProviderId !== undefined ? { configuredId: this.searchProviderId } : {}, - }) - } - - /** - * Fetch-capability selection status, derived live (never stored). - * @returns which provider would serve a fetch right now, or why none would. - */ - fetchStatus(): WebCapabilityStatus { - return resolveStatus({ - providers: this.fetchProviders, - ...this.fetchProviderId !== undefined ? { configuredId: this.fetchProviderId } : {}, - }) - } - /** * Run one search through the selected provider. Resolves the provider at call * time with the selection rules above; throws {@link WebError} when the @@ -231,27 +181,7 @@ interface ResolvableProvider { status(): WebProviderStatus } -/** Compute the capability status from configured id + registered providers. */ -function resolveStatus<P extends ResolvableProvider>(selection: Selection<P>): WebCapabilityStatus { - const { configuredId, providers } = selection - if (configuredId !== undefined) { - const provider = providers.get(configuredId) - if (!provider) return { available: false, reason: 'configured-missing' } - if (!provider.status().available) return { available: false, reason: 'configured-unavailable' } - return { available: true, providerId: configuredId } - } - const usable = [...providers.values()].filter(provider => provider.status().available) - const [single] = usable - if (single === undefined) return { available: false, reason: 'none' } - if (usable.length > 1) return { available: false, reason: 'ambiguous' } - return { available: true, providerId: single.id } -} - -/** - * Resolve the selected provider or throw the matching {@link WebError}. Shares - * the selection rules with {@link resolveStatus} so status and execution can - * never disagree. - */ +/** Resolve the selected provider or throw the matching {@link WebError}. */ function resolveProvider<P extends ResolvableProvider>(selection: Selection<P>): P { const { configuredId, providers } = selection if (configuredId !== undefined) { diff --git a/packages/web/web/src/types.ts b/packages/web/web/src/types.ts index 6f85787d1b..f4cda691b8 100644 --- a/packages/web/web/src/types.ts +++ b/packages/web/web/src/types.ts @@ -1,8 +1,8 @@ /** * Vocabulary for the web capability seam (`ctx.web`): the search/fetch * request/result shapes providers produce and consumers format, the provider - * and capability status discriminants selection reports, the execution-control - * context, and the typed error taxonomy. + * status discriminant selection reads, the execution-control context, and the + * typed error taxonomy. * * These types are shared by every provider backend * (`@deepseek-ai/dsh-web-search-exa`, `@deepseek-ai/dsh-web-search-perplexity`, @@ -128,25 +128,15 @@ export type WebFetchBody = /** * Whether one concrete provider implementation is usable, by cheap local checks * only (credential presence, parseable endpoint config). A provider `status()` - * must NOT make network calls. It is an input to selection, not a health system. + * must NOT make network calls. It is an input to execution-time selection, not + * a health system: `WebService.search()`/`fetch()` read it to pick a usable + * provider, and selection failure surfaces as the structured {@link WebError} + * codes callers route on. */ export type WebProviderStatus = | { readonly available: true } | { readonly available: false; readonly reason: 'missing-credential' | 'misconfigured' } -/** - * Whether a capability (search or fetch) has a selected usable provider, or the - * broad category in which selection fails. Intentionally small: it carries the - * winning `providerId` on the available branch (so diagnostics can report which - * provider won) but NOT the per-reason payload (the missing id, the ambiguous - * candidate set). That branchable detail lives in the {@link WebError} thrown at - * execution time — the surface callers route on — so the same fact does not get - * two homes that can disagree. - */ -export type WebCapabilityStatus = - | { readonly available: true; readonly providerId: string } - | { readonly available: false; readonly reason: 'none' | 'configured-missing' | 'configured-unavailable' | 'ambiguous' } - /** * A search-capable backend. Registered with `ctx.web.registerSearchProvider`. * `id` is a stable string, unique within the search capability kind. diff --git a/packages/web/web/tests/web.spec.ts b/packages/web/web/tests/web.spec.ts index e97630ebab..8189e342da 100644 --- a/packages/web/web/tests/web.spec.ts +++ b/packages/web/web/tests/web.spec.ts @@ -1,4 +1,4 @@ -import { describe, expect, it, vi } from 'vitest' +import { describe, expect, it } from 'vitest' import { Context } from 'cordis' import WebService, { WebError, @@ -42,18 +42,14 @@ async function mountWeb(config: ConstructorParameters<typeof WebService>[1] = {} } describe('WebService registration', () => { - it('registers and disposes a search provider, emitting providers-change each way', async () => { - const { ctx, web } = await mountWeb() - const changed = vi.fn() - ctx.on('web/providers-change', changed) + it('registers a search provider and unregisters it via the returned disposer', async () => { + const { web } = await mountWeb() const dispose = web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) - expect(changed).toHaveBeenCalledTimes(1) - expect(web.searchStatus()).toEqual({ available: true, providerId: 'exa' }) + await expect(web.search({ query: 'q' })).resolves.toMatchObject({ providerId: 'exa' }) dispose() - expect(changed).toHaveBeenCalledTimes(2) - expect(web.searchStatus()).toEqual({ available: false, reason: 'none' }) + await expect(web.search({ query: 'q' })).rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_UNAVAILABLE' })) }) it('throws WEB_DUPLICATE_PROVIDER on a duplicate search id', async () => { @@ -69,88 +65,14 @@ describe('WebService registration', () => { expect(() => web.registerFetchProvider(makeFetchProvider('shared', available, fetchResult('shared')))).not.toThrow() }) - it('rolls back a registration when a providers-change listener throws', async () => { - const { ctx, web } = await mountWeb() - ctx.on('web/providers-change', () => { throw new Error('listener boom') }) - expect(() => web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa'))))) - .toThrow('listener boom') - // The throwing listener must not leave the provider in the registry. - expect(web.searchStatus()).toEqual({ available: false, reason: 'none' }) - }) - it('disposes provider registrations when the contributing fiber is disposed (HMR safety)', async () => { const { ctx, web } = await mountWeb() const fiber = await ctx.plugin(Object.assign((inner: Context) => { inner.web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) }, { inject: ['web'] })) - expect(web.searchStatus()).toEqual({ available: true, providerId: 'exa' }) + await expect(web.search({ query: 'q' })).resolves.toMatchObject({ providerId: 'exa' }) await fiber.dispose() - expect(web.searchStatus()).toEqual({ available: false, reason: 'none' }) - }) -}) - -describe('WebService selection status', () => { - it('reports none when nothing is registered', async () => { - const { web } = await mountWeb() - expect(web.searchStatus()).toEqual({ available: false, reason: 'none' }) - expect(web.fetchStatus()).toEqual({ available: false, reason: 'none' }) - }) - - it('auto-selects the single usable provider when no id is configured', async () => { - const { web } = await mountWeb() - web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) - expect(web.searchStatus()).toEqual({ available: true, providerId: 'exa' }) - }) - - it('reports ambiguous when multiple usable providers exist and none is configured', async () => { - const { web } = await mountWeb() - web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) - web.registerSearchProvider(makeSearchProvider('perplexity', available, () => Promise.resolve(searchResult('perplexity')))) - expect(web.searchStatus()).toEqual({ available: false, reason: 'ambiguous' }) - }) - - it('ignores unusable providers when auto-selecting', async () => { - const { web } = await mountWeb() - web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) - web.registerSearchProvider(makeSearchProvider('perplexity', unavailable, () => Promise.resolve(searchResult('perplexity')))) - expect(web.searchStatus()).toEqual({ available: true, providerId: 'exa' }) - }) - - it('reports none when providers exist but none are usable', async () => { - const { web } = await mountWeb() - web.registerSearchProvider(makeSearchProvider('exa', unavailable, () => Promise.resolve(searchResult('exa')))) - expect(web.searchStatus()).toEqual({ available: false, reason: 'none' }) - }) - - it('honors a configured id over a different registered provider', async () => { - const { web } = await mountWeb({ searchProvider: 'perplexity' }) - web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) - web.registerSearchProvider(makeSearchProvider('perplexity', available, () => Promise.resolve(searchResult('perplexity')))) - expect(web.searchStatus()).toEqual({ available: true, providerId: 'perplexity' }) - }) - - it('reports configured-missing when the configured id is not registered', async () => { - const { web } = await mountWeb({ searchProvider: 'perplexity' }) - web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) - expect(web.searchStatus()).toEqual({ available: false, reason: 'configured-missing' }) - }) - - it('reports configured-unavailable when the configured id is registered but unusable', async () => { - const { web } = await mountWeb({ searchProvider: 'exa' }) - web.registerSearchProvider(makeSearchProvider('exa', unavailable, () => Promise.resolve(searchResult('exa')))) - expect(web.searchStatus()).toEqual({ available: false, reason: 'configured-unavailable' }) - }) - - it('does not let registration order change auto-selection', async () => { - const a = await mountWeb() - a.web.registerSearchProvider(makeSearchProvider('exa', unavailable, () => Promise.resolve(searchResult('exa')))) - a.web.registerSearchProvider(makeSearchProvider('perplexity', available, () => Promise.resolve(searchResult('perplexity')))) - expect(a.web.searchStatus()).toEqual({ available: true, providerId: 'perplexity' }) - - const b = await mountWeb() - b.web.registerSearchProvider(makeSearchProvider('perplexity', available, () => Promise.resolve(searchResult('perplexity')))) - b.web.registerSearchProvider(makeSearchProvider('exa', unavailable, () => Promise.resolve(searchResult('exa')))) - expect(b.web.searchStatus()).toEqual({ available: true, providerId: 'perplexity' }) + await expect(web.search({ query: 'q' })).rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_UNAVAILABLE' })) }) }) @@ -160,6 +82,12 @@ describe('WebService execution resolution', () => { await expect(web.search({ query: 'q' })).rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_UNAVAILABLE' })) }) + it('throws WEB_PROVIDER_UNAVAILABLE when providers exist but none are usable', async () => { + const { web } = await mountWeb() + web.registerSearchProvider(makeSearchProvider('exa', unavailable, () => Promise.resolve(searchResult('exa')))) + await expect(web.search({ query: 'q' })).rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_UNAVAILABLE' })) + }) + it('throws WEB_PROVIDER_CONFIGURED_MISSING for an unregistered configured id', async () => { const { web } = await mountWeb({ searchProvider: 'perplexity' }) web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) @@ -179,6 +107,32 @@ describe('WebService execution resolution', () => { await expect(web.search({ query: 'q' })).rejects.toThrow(expect.objectContaining({ code: 'WEB_PROVIDER_AMBIGUOUS' })) }) + it('runs the configured provider even when another usable provider is registered', async () => { + const { web } = await mountWeb({ searchProvider: 'perplexity' }) + web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) + web.registerSearchProvider(makeSearchProvider('perplexity', available, () => Promise.resolve(searchResult('perplexity')))) + await expect(web.search({ query: 'q' })).resolves.toMatchObject({ providerId: 'perplexity' }) + }) + + it('ignores unusable providers when auto-selecting', async () => { + const { web } = await mountWeb() + web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve(searchResult('exa')))) + web.registerSearchProvider(makeSearchProvider('perplexity', unavailable, () => Promise.resolve(searchResult('perplexity')))) + await expect(web.search({ query: 'q' })).resolves.toMatchObject({ providerId: 'exa' }) + }) + + it('does not let registration order change auto-selection', async () => { + const a = await mountWeb() + a.web.registerSearchProvider(makeSearchProvider('exa', unavailable, () => Promise.resolve(searchResult('exa')))) + a.web.registerSearchProvider(makeSearchProvider('perplexity', available, () => Promise.resolve(searchResult('perplexity')))) + await expect(a.web.search({ query: 'q' })).resolves.toMatchObject({ providerId: 'perplexity' }) + + const b = await mountWeb() + b.web.registerSearchProvider(makeSearchProvider('perplexity', available, () => Promise.resolve(searchResult('perplexity')))) + b.web.registerSearchProvider(makeSearchProvider('exa', unavailable, () => Promise.resolve(searchResult('exa')))) + await expect(b.web.search({ query: 'q' })).resolves.toMatchObject({ providerId: 'perplexity' }) + }) + it('runs the selected provider and returns its result', async () => { const { web } = await mountWeb() web.registerSearchProvider(makeSearchProvider('exa', available, () => Promise.resolve( diff --git a/packages/workflow/README.md b/packages/workflow/README.md new file mode 100644 index 0000000000..98fa3cfe04 --- /dev/null +++ b/packages/workflow/README.md @@ -0,0 +1,13 @@ +# workflow/ — dynamic-workflow capability family + +The workflow seam: a model-written JavaScript orchestration script that fans out subagents at scale (phases, structured per-agent results, concurrency caps), modeled on Claude Code's dynamic workflows. A capability seam (see [capability seams](../../docs/rfc/implemented/architecture/2026-06-13-capability-seams.md)) in the bash shape: ONE engine implementation per context registers as `ctx.workflows`; the model-facing tool consumes it. + +| Package | Role | ctx key | +|---|---|---| +| `workflow/` | Abstract workflow seam: service base class + run vocabulary + `workflow/*` events | `ctx.workflows` | +| `workflow-workerthread/` | `node:worker_threads` engine: one worker per run; the script's vm context lives inside the worker, `agent()` bridges to `ctx.subagents` over the message port | (provides `ctx.workflows`) | +| `tool-workflow/` | Model-facing `workflow` tool over `ctx.workflows` | (registers on `ctx.tools`) | + +The interface lives at `workflow/workflow/`. The engine's `agent()` hook rides the [subagent seam](../subagent/README.md) (any registered provider; the shipped examples use `spawn`), and `agent({ schema })` rides the structured-output support the in-process backends implement. The worker thread isolates the SCRIPT — the host never blocks on it, and a cancelled run's post-grace termination is real — but it is NOT a security boundary; an isolated-vm/separate-process engine (actual sandboxing) swaps in behind the same interface if that ever matters. + +The proposal, decisions, and deferred work: [docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md](../../docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md). diff --git a/packages/workflow/tool-workflow/README.md b/packages/workflow/tool-workflow/README.md new file mode 100644 index 0000000000..44160d8fc1 --- /dev/null +++ b/packages/workflow/tool-workflow/README.md @@ -0,0 +1,22 @@ +# @deepseek-ai/dsh-tool-workflow + +The model-facing **`workflow` tool**: run a JavaScript orchestration script that fans out subagents, and return the script's final value. Pure schema + lifecycle shaping over [`ctx.workflows`](../workflow/README.md) — script parsing, execution, caps, and cancellation live behind the seam, so a hardened engine swaps in without touching what the model sees. + +## What the model sees + +Two parameters: `script` (required — the full `export const meta = {...}` + body text; the tool DESCRIPTION carries the complete authoring contract: hooks, semantics, the supported schema subset) and `args` (optional JSON object exposed to the script as the `args` global; a bare list is wrapped as a field, a deliberate deviation from Claude Code's any-JSON `args` so the wire schema stays honest). The plugin also contributes a `tool:<toolName>` system-prompt section carrying the usage policy — use the tool only on an explicit user ask for a workflow / large orchestration; prefer plain subagent calls for one or two delegations — per the convention that tool guidance ships with the tool plugin, never in the deployment persona. + +## Lifecycle + +Collection is SYNCHRONOUS this cut (like [`dsh-tool-subagent`](../../subagent/tool-subagent/README.md)): `execute` starts a run and awaits `run.result` inside a `try/finally` that always disposes the run, so the script and its children reach quiescence on every path. `exec.signal` is bridged to `run.cancel()` (including the already-aborted-before-start case). A non-`completed` stop reason maps to an `isError` result reporting the reason — never partial output as success; a parse/meta failure thrown synchronously by `start()` becomes an `isError` the model can correct from. The completed result renders the meta name, the agent count, and the return value as JSON, truncated at `maxResultChars` with an explicit notice. + +## Render intent + +Decided up front (per the [render-intent RFC](../../../docs/rfc/implemented/architecture/2026-07-02-tool-render-intent-union.md)): a `generic` card titled `workflow: <meta.name>`, the name sniffed TEXTUALLY from `args.script` (presentation must be a pure function of args, so it cannot ask the engine to parse); the script text rides as `rawInput`. The result keeps the generic card. + +## Config + +| Key | Default | Meaning | +|---|---|---| +| `toolName` | `workflow` | The model-facing tool name to register. | +| `maxResultChars` | `50000` | Rendered-result ceiling; longer JSON is truncated with a notice. | diff --git a/packages/workflow/tool-workflow/package.json b/packages/workflow/tool-workflow/package.json new file mode 100644 index 0000000000..f5c2138d85 --- /dev/null +++ b/packages/workflow/tool-workflow/package.json @@ -0,0 +1,46 @@ +{ + "name": "@deepseek-ai/dsh-tool-workflow", + "description": "Model-facing workflow tool: run a JavaScript orchestration script over ctx.workflows", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-system-prompt": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "@deepseek-ai/dsh-workflow": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-subagent": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "@deepseek-ai/dsh-workflow": "workspace:^", + "@deepseek-ai/dsh-workflow-workerthread": "workspace:^", + "cordis": "^4.0.0-rc.6" + } +} diff --git a/packages/workflow/tool-workflow/src/index.ts b/packages/workflow/tool-workflow/src/index.ts new file mode 100644 index 0000000000..7cd1606b47 --- /dev/null +++ b/packages/workflow/tool-workflow/src/index.ts @@ -0,0 +1,215 @@ +/** + * The model-facing `workflow` tool: run a JavaScript orchestration script that + * fans out subagents, and return the script's final value. Pure schema + + * lifecycle shaping — script parsing, execution, caps, and cancellation live + * behind `ctx.workflows` (`@deepseek-ai/dsh-workflow`), so a hardened engine + * swaps in without touching what the model sees. + * + * Collection is SYNCHRONOUS this cut (like `dsh-tool-subagent`): `execute` + * starts a run and awaits `run.result` inside a `try/finally` that always + * disposes the run, so the script and its children are torn down on every + * path. A non-`completed` stop reason maps to an `isError` tool result (by + * throwing) rather than returning partial output as success. Background + * collection is deferred to the cross-tool background redesign. + * + * Render intent (decided up front, per the render-intent RFC): a `generic` + * card whose title carries the workflow's `meta.name`, read directly from the + * call's `meta` parameter — presentation is a pure function of `args`. + * + * Usage policy ships with the tool as a `tool:<toolName>` system-prompt + * section (explicit-ask-only guidance) — tool guidance lives in tool plugins, + * never in the deployment persona. + * + * @module @deepseek-ai/dsh-tool-workflow + */ + +import type { Context } from 'cordis' +import z from 'schemastery' +import { defineTool } from '@deepseek-ai/dsh-tools' +import type { ToolCallView, ToolResultView } from '@deepseek-ai/dsh-tools' +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import type { WorkflowResult, WorkflowRun } from '@deepseek-ai/dsh-workflow' +// Declaration merge only: makes ctx.systemPrompt visible for the section registration. +import type {} from '@deepseek-ai/dsh-system-prompt' + +export const name = 'tool-workflow' +export const inject = ['tools', 'workflows', 'systemPrompt'] + +/** Config: the model-facing tool name plus result rendering caps. */ +export interface Config { + /** The model-facing tool name to register (default `workflow`). */ + toolName?: string + /** Rendered-result ceiling, in characters: a longer JSON value is truncated with a notice (default 50000). */ + maxResultChars?: number +} + +export const Config: z<Config> = z.object({ + toolName: z.string().default('workflow'), + maxResultChars: z.natural().min(1).default(50_000), +}) + +type ResolvedConfig = Required<Config> + +/** + * The script-authoring contract, embedded in the tool description. This IS the + * model-facing spec: the meta block, the hooks and their exact semantics, and + * the supported schema subset. + */ +const DESCRIPTION = `Run a JavaScript workflow script that orchestrates subagents at scale. Use this for work that fans out across many independent pieces — an audit over many files, a migration, multi-angle research, adversarial verification of findings — where you write the orchestration as a script instead of delegating turn by turn. + +The workflow's identity rides the \`meta\` parameter as JSON: required \`name\` (short kebab-case) and \`description\` strings, optional \`whenToUse\` string and \`phases\` array (\`{title, detail?, model?}\`). The \`script\` parameter is the plain JavaScript body ONLY (NOT TypeScript, and NO \`export const meta\` statement — meta is a parameter, not code), running with top-level await; end with \`return <value>\` — the value must be JSON-serializable and is this tool's result. + +Script-body hooks: +- \`agent(prompt, opts?): Promise<any>\` — run one subagent to completion. Without \`opts.schema\` it resolves to the child's final text; with \`opts.schema\` (an object-rooted JSON Schema using ONLY type/properties/required/additionalProperties/items/enum/const — no oneOf/pattern/format/numeric bounds) it resolves to the validated object. Resolves \`null\` when the child fails (filter with \`.filter(Boolean)\`). Other opts: \`label\` (display), \`phase\` (progress group), \`model\` (override). Anything else (\`effort\`/\`isolation\`/\`agentType\`) is rejected loudly. +- \`pipeline(items, ...stages): Promise<any[]>\` — run each item through the stages independently with NO barrier between stages (prefer this for multi-stage work). Each stage receives \`(prev, item, index)\`. An ordinary stage throw drops that ITEM to \`null\` and skips its remaining stages. +- \`parallel(thunks): Promise<any[]>\` — run zero-argument functions concurrently and await ALL of them (a barrier; use only when a stage genuinely needs every prior result together). A throwing thunk resolves to \`null\`. +- \`phase(title)\` — start a progress phase; \`log(message)\` — narrate progress; \`args\` — the tool call's \`args\` input, verbatim. + +Misused hooks (bad arguments, unknown options, unsupported schemas, tripped caps) throw errors that ALWAYS kill the script — they never dissolve into a per-item \`null\`. + +Constraints: concurrency and total-agent caps apply; no filesystem, network, timers, or Node.js APIs are provided — the agents do the work, the script only coordinates them. The run executes in the foreground: this call returns when the whole script finishes.` + +type WorkflowCallArgs = { + script: string + meta: { name: string; description: string; whenToUse?: string; phases?: { title: string; detail?: string; model?: string }[] } + args?: Record<string, unknown> +} + +/** The pending-state card: a generic card titled by the workflow's meta name. */ +function presentWorkflowCall(args: WorkflowCallArgs): ToolCallView { + return { + card: 'generic', + title: `workflow: ${args.meta.name}`, + rawInput: args.script, + } +} + +/** The completed-state card: keep the pending title; render the result content as-is. */ +function presentWorkflowResult(args: WorkflowCallArgs, result: { content: ContentBlock[]; isError: boolean }): ToolResultView { + void args + void result + return { card: 'generic' } +} + +/** A non-`completed` stop reason means the script did not finish cleanly. */ +function stopReasonError(result: WorkflowResult): string | undefined { + switch (result.stopReason) { + case 'completed': + return undefined + case 'cancelled': + return `workflow run was cancelled${result.error !== undefined ? ` (${result.error})` : ''}` + case 'error': + return `workflow run failed: ${result.error ?? 'unknown error'}` + /* v8 ignore start -- defensive: WorkflowStopReason is a closed union, exhaustive by construction; a future variant fails here loudly */ + default: + return `workflow run ended abnormally (${String(result.stopReason satisfies never)})` + /* v8 ignore stop */ + } +} + +/** Render the run's outcome text: the meta name, agent count, and the JSON value (capped). */ +function renderResult(run: WorkflowRun, result: WorkflowResult, maxChars: number): string { + // The engine returns JSON data (null for a valueless script), so stringify never yields undefined. + const rendered = JSON.stringify(result.value, null, 2) + const clipped = rendered.length > maxChars + ? `${rendered.slice(0, maxChars)}\n… [truncated: ${rendered.length - maxChars} more characters]` + : rendered + return `workflow "${run.meta.name}" completed (${result.agentsStarted} agent${result.agentsStarted === 1 ? '' : 's'}).\nReturn value:\n${clipped}` +} + +export function apply(ctx: Context, config: Config): void { + // schemastery (the exported Config schema) has already filled the defaulted + // fields; the assertion records that resolution, not a hidden fallback. + const { toolName, maxResultChars } = config as ResolvedConfig + // Usage policy ships with the tool (the master convention: tool guidance + // lives in tool plugins as prompt sections, not in the deployment persona). + ctx.systemPrompt.section({ + name: `tool:${toolName}`, + order: 115, + text: `Use the ${toolName} tool ONLY when the user explicitly asks for a workflow or for large multi-agent orchestration: you write a JavaScript script (the tool description documents the exact format) that fans work out across many subagents with phases and structured results. For one or two delegations, prefer plain subagent calls.`, + }) + ctx.tools.register(defineTool({ + name: toolName, + description: DESCRIPTION, + parameters: { + script: { + type: 'string', + required: true, + description: 'The plain-JS workflow script body (top-level await allowed; NO `export const meta` statement; end with `return <json-value>`).', + }, + meta: { + type: 'object', + required: true, + description: 'The workflow identity block (plain JSON — never code).', + properties: { + name: { type: 'string', required: true, description: 'Short kebab-case workflow name.' }, + description: { type: 'string', required: true, description: 'One-line description of what the workflow does.' }, + whenToUse: { type: 'string', description: 'Optional guidance on when this workflow applies.' }, + phases: { + type: 'array', + description: 'Optional phase declarations matched by phase() calls.', + items: { + type: 'object', + properties: { + title: { type: 'string', required: true, description: 'The phase title phase() calls match by exact string.' }, + detail: { type: 'string', description: 'Optional one-line description of the phase.' }, + model: { type: 'string', description: 'Optional model override this phase is expected to use.' }, + }, + }, + }, + }, + }, + args: { + type: 'object', + description: 'Optional JSON input exposed to the script as the `args` global (wrap a bare list as a field, e.g. {"files": [...]}).', + }, + }, + async execute(args, exec): Promise<ContentBlock[]> { + const parent = exec.agent + if (!parent) { + // The loop sets `exec.agent` for every model-driven call; its absence + // means a non-agent caller invoked the tool directly, which has no + // parent to attribute the children to. Fail loud rather than guess. + throw new Error('workflow tool requires a calling agent (exec.agent was undefined)') + } + + // Meta/body validation failures (META_INVALID/SCRIPT_PARSE) throw + // synchronously here and become isError results via the registry — the + // model sees the violation list and can correct the call. + const run: WorkflowRun = ctx.workflows.start({ + script: args.script, + meta: args.meta, + ...args.args !== undefined ? { args: args.args } : {}, + parent, + ...exec.signal ? { signal: exec.signal } : {}, + }) + + // Bridge the tool's abort signal to the run: if the parent step is + // aborted while the script is in flight, cancel the whole run. The + // engine also receives `signal` directly, but an explicit bridge keeps + // the tool's contract local (and covers an engine that ignores it). + const onAbort = (): void => { run.cancel('parent step aborted') } + exec.signal?.addEventListener('abort', onAbort, { once: true }) + // `addEventListener` does NOT fire for a signal already aborted before + // this line — cancel explicitly in that case. + if (exec.signal?.aborted) run.cancel('parent step aborted') + + try { + const result = await run.result + const error = stopReasonError(result) + if (error !== undefined) { + // Map a non-clean finish to an isError result (the registry turns a + // throw into an isError). Report the reason, not partial output. + throw new Error(error) + } + return [{ type: 'text', text: renderResult(run, result, maxResultChars) }] + } finally { + exec.signal?.removeEventListener('abort', onAbort) + // Always reach run quiescence — never leak a live script or children. + await run.dispose() + } + }, + presentCall: args => presentWorkflowCall(args), + presentResult: (args, result) => presentWorkflowResult(args, result), + })) +} diff --git a/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts new file mode 100644 index 0000000000..0585889617 --- /dev/null +++ b/packages/workflow/tool-workflow/tests/tool-workflow.spec.ts @@ -0,0 +1,254 @@ +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import Loader from '@cordisjs/plugin-loader' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import type { ToolExecutionResult } from '@deepseek-ai/dsh-tools' +import { AgentId } from '@deepseek-ai/dsh-agent' +import type { Agent } from '@deepseek-ai/dsh-agent' +import { WorkflowRunId, WorkflowService } from '@deepseek-ai/dsh-workflow' +import type { WorkflowResult, WorkflowRun, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' +import { CallId } from '@deepseek-ai/dsh-llm' +import SubagentService from '@deepseek-ai/dsh-subagent' +import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-workerthread' +import * as toolWorkflow from '../src/index.ts' + +/** A controllable engine standing in behind ctx.workflows (the tool's only seam). */ +class StubEngine extends WorkflowService { + requests: WorkflowStartRequest[] = [] + cancels: string[] = [] + disposed = 0 + settle!: (result: WorkflowResult) => void + startError: Error | undefined + + start(request: WorkflowStartRequest): WorkflowRun { + if (this.startError) throw this.startError + this.requests.push(request) + const result = new Promise<WorkflowResult>((resolve) => { this.settle = resolve }) + request.signal?.addEventListener('abort', () => { + this.settle({ value: null, stopReason: 'cancelled', error: 'signal', agentsStarted: 0 }) + }, { once: true }) + return { + id: WorkflowRunId('run-1'), + meta: { name: 'stub-flow', description: 'd' }, + result, + cancel: (reason?: string) => { + this.cancels.push(reason ?? 'cancelled') + this.settle({ value: null, stopReason: 'cancelled', ...reason !== undefined ? { error: reason } : {}, agentsStarted: 0 }) + }, + dispose: () => { + this.disposed += 1 + return Promise.resolve() + }, + } + } +} + +async function setup(config?: { toolName?: string; maxResultChars?: number }) { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(StubEngine) + await ctx.plugin(toolWorkflow, config ?? {}) + const engine = ctx.workflows as StubEngine + const parent = { id: AgentId('caller'), options: {} } as unknown as Agent + return { ctx, engine, parent } +} + +const SCRIPT = 'return 1' +const META = { name: 'audit', description: 'd' } + +function execute(ctx: Context, args: unknown, extra?: { agent?: Agent; signal?: AbortSignal }): Promise<ToolExecutionResult> { + return ctx.tools.execute({ + callId: CallId('call-1'), + name: 'workflow', + arguments: args, + ...extra?.agent ? { agent: extra.agent } : {}, + ...extra?.signal ? { signal: extra.signal } : {}, + }) +} + +describe('dsh-tool-workflow', () => { + it('starts a run with the script/args/parent/signal and renders the completed value', async () => { + const { ctx, engine, parent } = await setup() + const controller = new AbortController() + const pending = execute(ctx, { script: SCRIPT, meta: META, args: { files: ['a.ts'] } }, { agent: parent, signal: controller.signal }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + expect(engine.requests[0]).toMatchObject({ script: SCRIPT, meta: META, args: { files: ['a.ts'] }, parent }) + expect(engine.requests[0]!.signal).toBe(controller.signal) + engine.settle({ value: { findings: [1, 2] }, stopReason: 'completed', agentsStarted: 7 }) + const result = await pending + expect(result.isError).toBe(false) + const rendered = (result.content[0] as { text: string }).text + expect(rendered).toContain('workflow "stub-flow" completed (7 agents)') + expect(rendered).toContain('"findings"') + expect(engine.disposed).toBe(1) + }) + + it('maps a non-completed stop reason to an isError result (and still disposes)', async () => { + const { ctx, engine, parent } = await setup() + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + engine.settle({ value: null, stopReason: 'error', error: 'script threw: boom', agentsStarted: 2 }) + const result = await pending + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('workflow run failed: script threw: boom') + expect(engine.disposed).toBe(1) + }) + + it('reports a cancelled run distinctly (with and without a reason)', async () => { + const { ctx, engine, parent } = await setup() + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + engine.settle({ value: null, stopReason: 'cancelled', error: 'user', agentsStarted: 0 }) + const result = await pending + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('workflow run was cancelled (user)') + + const bare = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(2) }) + engine.settle({ value: null, stopReason: 'cancelled', agentsStarted: 0 }) + expect(((await bare).content[0] as { text: string }).text.trim().endsWith('cancelled')).toBe(true) + }) + + it('an error result without a message renders the unknown-error fallback', async () => { + const { ctx, engine, parent } = await setup() + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + engine.settle({ value: null, stopReason: 'error', agentsStarted: 0 }) + expect(((await pending).content[0] as { text: string }).text).toContain('unknown error') + }) + + it('cancels the run when exec.signal aborts MID-FLIGHT (the abort bridge)', async () => { + const { ctx, engine, parent } = await setup() + const controller = new AbortController() + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent, signal: controller.signal }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + controller.abort() + const result = await pending + expect(result.isError).toBe(true) + expect(engine.cancels).toContain('parent step aborted') + expect(engine.disposed).toBe(1) + }) + + it('a synchronous engine start throw (meta/parse failure) becomes an isError result', async () => { + const { ctx, engine, parent } = await setup() + engine.startError = new Error('invalid meta: meta.name must be a non-empty string') + const result = await execute(ctx, { script: 'nope', meta: { name: '', description: 'd' } }, { agent: parent }) + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('meta.name must be a non-empty string') + }) + + it('requires a calling agent (fails loud without exec.agent)', async () => { + const { ctx, engine } = await setup() + const result = await execute(ctx, { script: SCRIPT, meta: META }) + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('requires a calling agent') + expect(engine.requests.length).toBe(0) + }) + + it('validates its own arguments via the schema DSL (missing script)', async () => { + const { ctx, parent } = await setup() + const result = await execute(ctx, {}, { agent: parent }) + expect(result.isError).toBe(true) + expect(result.error?.code).toBe('INVALID_ARGS') + }) + + it('cancels the run when exec.signal is ALREADY aborted at call time', async () => { + const { ctx, engine, parent } = await setup() + const controller = new AbortController() + controller.abort() + const result = await execute(ctx, { script: SCRIPT, meta: META }, { agent: parent, signal: controller.signal }) + expect(result.isError).toBe(true) + expect(engine.cancels).toContain('parent step aborted') + expect(engine.disposed).toBe(1) + }) + + it('truncates an oversized rendered value with a notice (maxResultChars)', async () => { + const { ctx, engine, parent } = await setup({ maxResultChars: 40 }) + const pending = execute(ctx, { script: SCRIPT, meta: META }, { agent: parent }) + await vi.waitFor(() => { expect(engine.requests.length).toBe(1) }) + engine.settle({ value: { blob: 'x'.repeat(500) }, stopReason: 'completed', agentsStarted: 1 }) + const rendered = ((await pending).content[0] as { text: string }).text + expect(rendered).toContain('[truncated:') + expect(rendered.length).toBeLessThan(400) + }) + + it('registers under a configured toolName and unregisters on fiber dispose (HMR safety)', async () => { + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(StubEngine) + const fiber = await ctx.plugin(toolWorkflow, { toolName: 'orchestrate' }) + expect(ctx.tools.get('orchestrate')).toBeDefined() + expect(ctx.tools.get('workflow')).toBeUndefined() + // The usage-policy prompt section rides the same registration: present + // under the CONFIGURED name (its guidance names the tool it describes)… + const sections = (await ctx.systemPrompt.assemble()).sections + const section = sections.find(s => s.name === 'tool:orchestrate') + expect(section?.text).toContain('orchestrate') + expect(sections.some(s => s.name === 'tool:workflow')).toBe(false) + await fiber.dispose() + expect(ctx.tools.get('orchestrate')).toBeUndefined() + // …and gone with the fiber — a reload must not leak a stale section. + expect((await ctx.systemPrompt.assemble()).sections.some(s => s.name === 'tool:orchestrate')).toBe(false) + }) + + it('presents a generic pending card titled by the meta name, with the script as rawInput', async () => { + const { ctx } = await setup() + const tool = ctx.tools.get('workflow')! + const view = tool.presentCall!({ script: SCRIPT, meta: META }) + expect(view).toMatchObject({ card: 'generic', title: 'workflow: audit', rawInput: SCRIPT }) + }) + + it('presentResult keeps the generic card; presentation is pure and replay-safe on malformed args', async () => { + const { ctx } = await setup() + const tool = ctx.tools.get('workflow')! + expect(tool.presentResult!({ script: SCRIPT, meta: META }, { content: [], isError: false })).toEqual({ card: 'generic' }) + // defineTool soft-validates presentation args: a malformed logged shape + // (wrong fields entirely, or a call missing its meta) falls back to + // undefined instead of throwing mid-replay. + expect(tool.presentCall!({ not: 'the schema' })).toBeUndefined() + expect(tool.presentCall!({ script: SCRIPT })).toBeUndefined() + }) + + it('has the namespace-plugin export shape (no stray default)', () => { + expect('default' in toolWorkflow).toBe(false) + expect(toolWorkflow.name).toBe('tool-workflow') + expect(toolWorkflow.inject).toEqual(['tools', 'workflows', 'systemPrompt']) + const loader = Object.create(Loader.prototype) as Loader + const unwrapped = loader.unwrapExports(toolWorkflow) as Record<string, unknown> + expect(unwrapped).toBe(toolWorkflow) + expect(typeof unwrapped.apply).toBe('function') + }) + + describe('composition with the REAL worker-thread engine (the mock above must stay honest)', () => { + it('an abort releases the tool even when the script parks on a promise no hook owns', async () => { + // Regression for the review-found turn wedge: the tool awaits + // run.result BEFORE its disposing finally, the registry and the loop + // await the tool — so if cancellation could not settle result (a script + // parked on `await new Promise(() => {})`), an aborted turn stayed + // wedged forever. The seam now guarantees result settles within the + // grace of cancel(); this drives that guarantee through the real + // registry + real tool + real engine. + const ctx = new Context() + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(SubagentService) + await ctx.plugin(WorkerWorkflowEngine, { disposeGraceMs: 30 }) + await ctx.plugin(toolWorkflow, {}) + const parent = { id: AgentId('caller'), options: {} } as unknown as Agent + const controller = new AbortController() + const pending = execute(ctx, { + script: 'await new Promise(() => {})\nreturn 1', + meta: { name: 'stuck', description: 'parks forever' }, + }, { agent: parent, signal: controller.signal }) + // Give the run a beat to start (past its synchronous slice), then abort. + await new Promise(resolve => setTimeout(resolve, 20)) + controller.abort('user abort') + const result = await pending + expect(result.isError).toBe(true) + expect((result.content[0] as { text: string }).text).toContain('cancelled') + }) + }) +}) diff --git a/packages/workflow/tool-workflow/tsconfig.json b/packages/workflow/tool-workflow/tsconfig.json new file mode 100644 index 0000000000..f66eda75a7 --- /dev/null +++ b/packages/workflow/tool-workflow/tsconfig.json @@ -0,0 +1,36 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../core/tools" + }, + { + "path": "../../core/system-prompt" + }, + { + "path": "../workflow" + } + ] +} diff --git a/packages/workflow/workflow-workerthread/README.md b/packages/workflow/workflow-workerthread/README.md new file mode 100644 index 0000000000..1ee959cc0c --- /dev/null +++ b/packages/workflow/workflow-workerthread/README.md @@ -0,0 +1,49 @@ +# @deepseek-ai/dsh-workflow-workerthread + +The [`WorkflowService`](../workflow/README.md) implementation, on **`node:worker_threads`**: each run gets its OWN worker thread (one run = one worker, no pooling — a run is heavyweight, so the ~tens-of-ms thread spin-up is noise), the script executes in a vm context INSIDE that worker with the workflow hooks injected, and every `agent()` call bridges back over the message port to [`ctx.subagents`](../../subagent/README.md) on the host. Child agents are I/O-bound LLM loops and stay on the host event loop; the thread isolates the SCRIPT, the only part that can spin synchronously. + +## Trust premise: what the thread buys (and what it does not) + +Workflow scripts are **model-written** — the same trust level as the model's existing bash access — so this engine defends against **buggy** scripts, never hostile ones. A worker thread is NOT a security boundary: the vm context inside it is escapable by construction (`node:vm` shares object machinery with its surrounding realm, so a script can reach the `Function` constructor via `globalThis.constructor.constructor` and from it `process` and every Node builtin), and an escapee holds the same process privileges as the host — Node's permission model is process-wide. The absent globals are API surface that keeps honest scripts portable, not walls. What the thread concretely buys: + +- **The host never blocks**: `start()` returns without running any script code on the host; a synchronous spin anywhere in the script occupies the worker's loop, not the harness's. +- **Termination is real**: a script that outlives its post-cancel grace is `worker.terminate()`d — nothing of it survives `dispose()`, where an in-process engine could only abandon the spin on its own loop. +- **No ambient credentials**: the worker spawns with an EMPTY environment (`env: {}` plus hermetic `execArgv`, the same stance as `dsh-code-runtime-worker`; the unbuilt dev shape forwards exactly one loader variable, `TSX_TSCONFIG_PATH` — path plumbing, not a secret), so an escapee reading `process.env` finds no harness secrets — ambient-channel hardening only; the process-wide privileges above (fs and the rest) remain, so a genuine sandbox is still the engine swap. +- **Serialization by construction**: everything crossing the thread is structured-clone data, and plain JSON before that — the `materializeFromRealm` walk rejects loud what JSON cannot carry, which is also what makes every postMessage hop total. + +What the seam guarantees regardless, because benign scripts hit these constantly: `result` never rejects, a dropped hook promise never becomes an unhandled rejection, values JSON cannot carry are rejected **loud** instead of silently mangled, and hook misuse is fatal instead of dissolving into a per-item `null`. Genuine sandboxing (containing what an escaped script may touch) remains an isolated-vm/separate-process engine swap behind the seam, still deferred. + +## The script contract it executes + +- **Meta as DATA** (`validateMeta`, host-side): the workflow's identity arrives on the start request as plain JSON (the tool carries it as its schema-validated `meta` parameter — never as script text) and is shape-validated loud, every violation named (`name`/`description` required; unknown fields rejected). The engine deliberately evaluates NO script text to obtain meta: an evaluated meta literal could smuggle getters that run on the host outside any vm timeout — the exact spin the worker thread exists to isolate. A body that still opens with a Claude Code-style `export const meta` statement is rejected with a pointed `SCRIPT_PARSE` message. +- **Hooks**: `agent(prompt, {label, phase, schema, model})` (schema = the [structured-output subset](../../core/tools/README.md), forwarded as `outputSchema`; result = validated object, or final text without a schema; a failed child resolves `null`), `parallel(thunks)`, `pipeline(items, ...stages)` with NO cross-stage barrier and `(prev, item, index)` stage callbacks, `phase(title)`, `log(message)`, and the `args` global. Anything else — `effort`/`isolation`/`agentType`, unknown options, malformed arguments, schemas outside the subset — throws a FATAL `WorkflowError` that `parallel`/`pipeline` re-throw rather than nulling (see the seam README's failure discipline). +- **No ambient APIs**: no timers, filesystem, or Node APIs are injected into the context (absence is API surface, not containment — see the trust premise). + +## How a run executes + +`start()` shape-validates the meta DATA host-side and parse-checks the body with the identical wrapper the worker compiles (`new vm.Script`, discarded), preserving the seam's synchronous `META_INVALID`/`SCRIPT_PARSE` throws; one redundant parse per run is the deliberate price. It then spawns the worker (`src/worker.ts` unbuilt via an explicit tsx `execArgv`; the sibling `lib/worker.js` bundle when built) with the meta, body, `args`, and worker-side limits as `workerData`. + +Inside the worker, `runWorkerSession` builds the execution core (hooks, combinators, concurrency semaphore, caps, fatal-error discipline) over a **child port**: `agent()` sends `child-start` and the host starts the child on `ctx.subagents` (parent attribution, the shared per-run abort signal, `outputSchema`/`model` pass-through), replying with the child id, its settlement (a JSON projection; an infrastructure REJECTION crosses as `child-failed` and stays the fatal `AGENT_RESULT`), and dispose acks. Observer narration (`phase`/`log`/`agent-start`/`agent-end`) crosses as messages and re-emits as the seam's `workflow/*` events. A **ready→go handshake** gates the body: a cancellation racing worker boot arrives before `go`, so a run cancelled before start never executes the body at all. + +## The value boundary + +Values LEAVING the script (hook options/schemas, the script's return) are materialized by `materializeFromRealm`: a plain recursive walk that rejects loud everything JSON cannot carry (exotic prototypes, functions, symbols, cycles, sparse arrays, non-finite numbers, nested `undefined`), copying into plain containers via `defineProperty` so a `"__proto__"` key becomes a data property, never a prototype mutation. Getters are read ordinarily — the RESULT is what crosses; a read that throws fails loud; both run in the WORKER, never on the host. Values ENTERING the realm (`args`, `agent()` results, hook promises and their failures, combinator arrays) are handed over directly as worker-realm values — the script is trusted, so outer prototypes are not a leak; `args` is cloned once at start so a script scribbling on it cannot mutate the caller's object. One script-visible consequence: an error thrown by a hook is built OUTSIDE the script's vm context, so `e instanceof Error` inside the script is `false` — branch on `e.name`/`e.code` instead (the combinators recognize fatality by `instanceof` against their own realm's class, which a script-built object can never pass, so fatal-vs-null cannot be forged or dissolved). + +## Cancellation, death, disposal + +Per-run limits: a concurrency semaphore (`maxConcurrentAgents`), a total-`agent()` cap (`maxTotalAgents`), and a per-call item cap (`maxItemsPerCall`), all config. `cancel()` posts the cancel to the worker (its hooks start throwing `CANCELLED`; the script dies at its next await) and cancels every host-side child NOW on **both seam channels** — the shared request signal aborts AND each registered child's explicit `cancel()` is called host-side, because the seam leaves a provider free to honor either channel and a worker wedged in a synchronous spin could not relay its own per-child cancel RPCs (those later land as idempotent no-ops). The grace then arms: a run still unsettled `disposeGraceMs` later force-settles `cancelled` and the worker is **terminated**. A cancellation that lands before the body runs (the ready→go handshake) reports `cancelled` without executing anything; a worker `result` racing an in-flight host cancellation reports `cancelled` too (first-wins settlement — the seam-visible result had not settled when cancellation was requested); post-cancel `phase`/`log` narration is suppressed host-side, while cancelled children still deliver their paired `agent-end`. + +A worker that dies unexpectedly (an OOM, a script reaching `process.exit` through the documented vm escape) settles the run `stopReason: 'error'` with the exit diagnostics — or `'cancelled'` when a cancel was in flight — and the host-side child registry is what winds every surviving child down. `dispose()` = cancel + immediate host-driven disposal of every registered child (a wedged worker can relay no dispose RPC, so child teardown overlaps the grace instead of starting after it; the worker's own dispose RPCs join the same per-child disposal) + bounded wait (result, then child-registry quiescence, capped by the grace) + unconditional `worker.terminate()`: the thread never outlives its run. Once a run settles, stray children a script fired without awaiting are cancelled too, and `dispose()` waits for their disposal (bounded by the grace) before returning. `agent-start`/`agent-end` pairing is host-guaranteed the same way: forwarded starts live in a ledger, worker-reported ends pair them on the graceful paths, and the termination paths (grace force-settle, worker death) synthesize the missing ends (outcome `cancelled`) before the run settles — a start still in flight across the force-settle can surface after `workflow/end`, immediately paired the same way. + +**Engine-specific limitations**: worker startup is paid per run; on a termination path `agentsStarted` reports the HOST-observed count (accepted `child-start`s — calls still queued worker-side for a concurrency slot are unknowable then); and a returned promise or thenable resolves per JavaScript semantics BEFORE materialization — that is what makes an un-awaited `return agent('x')` work — with the value-boundary guard applying to the resolution. + +## Config + +| Key | Default | Meaning | +|---|---|---| +| `provider` | `spawn` | The `ctx.subagents` provider children run on (host-side). | +| `maxConcurrentAgents` | `0` (auto) | Concurrent `agent()` ceiling; `0` resolves to `min(16, max(1, cores - 2))`. | +| `maxTotalAgents` | `1000` | Total `agent()` calls one run may start (runaway-loop backstop). | +| `maxItemsPerCall` | `4096` | Items accepted by one `parallel()`/`pipeline()` call. | +| `syncTimeoutMs` | `5000` | vm timeout for the script's initial synchronous slice (in the worker). | +| `disposeGraceMs` | `5000` | How long a cancelled run may stay unsettled before force-settle + terminate; also bounds `dispose()`. | diff --git a/packages/workflow/workflow-workerthread/package.json b/packages/workflow/workflow-workerthread/package.json new file mode 100644 index 0000000000..f86c74c2f7 --- /dev/null +++ b/packages/workflow/workflow-workerthread/package.json @@ -0,0 +1,56 @@ +{ + "name": "@deepseek-ai/dsh-workflow-workerthread", + "description": "worker-thread workflow engine: executes model-written orchestration scripts off the host event loop, bridging agent() calls back to ctx.subagents", + "version": "0.0.1", + "private": true, + "type": "module", + "main": "lib/index.js", + "types": "lib/types/index.d.ts", + "exports": { + ".": { + "types": "./lib/types/index.d.ts", + "default": "./lib/index.js" + }, + "./worker": { + "types": "./lib/types/worker.d.ts", + "default": "./lib/worker.js" + }, + "./src/*": "./src/*", + "./package.json": "./package.json" + }, + "files": [ + "lib/index.js", + "lib/worker.js", + "lib/types/**/*.d.ts", + "lib/types/**/*.d.ts.map", + "src" + ], + "license": "BSD-3-Clause", + "peerDependencies": { + "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-brand": "^0.0.1", + "@deepseek-ai/dsh-llm": "^0.0.1", + "@deepseek-ai/dsh-subagent": "^0.0.1", + "@deepseek-ai/dsh-tools": "^0.0.1", + "@deepseek-ai/dsh-workflow": "^0.0.1", + "cordis": "^4.0.0-rc.6" + }, + "dependencies": { + "schemastery": "^3.18.0" + }, + "devDependencies": { + "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-agent-loop": "workspace:^", + "@deepseek-ai/dsh-brand": "workspace:^", + "@deepseek-ai/dsh-invariants": "workspace:^", + "@deepseek-ai/dsh-llm": "workspace:^", + "@deepseek-ai/dsh-session": "workspace:^", + "@deepseek-ai/dsh-subagent": "workspace:^", + "@deepseek-ai/dsh-subagent-spawn": "workspace:^", + "@deepseek-ai/dsh-system-prompt": "workspace:^", + "@deepseek-ai/dsh-tools": "workspace:^", + "@deepseek-ai/dsh-workflow": "workspace:^", + "cordis": "^4.0.0-rc.6", + "tsx": "^4.19.2" + } +} diff --git a/packages/workflow/workflow-workerthread/src/host.ts b/packages/workflow/workflow-workerthread/src/host.ts new file mode 100644 index 0000000000..6b6391a02e --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/host.ts @@ -0,0 +1,473 @@ +/** + * The host half of one worker-engine run: spawn the Worker, bridge its child + * RPC onto `ctx.subagents`, fan its observer messages into the engine's + * events, and own cancellation, the settle-within-grace guarantee, and child + * cleanup. The worker's lifetime IS the run's lifetime: `dispose()` always + * ends with `worker.terminate()`, so no thread outlives its run. + * + * The run's `result` promise settles exactly once, from whichever of these + * lands first: the worker's `result` message (a host-side cancellation in + * flight overrides a non-cancelled report — the seam-visible result had not + * settled when cancellation was requested), an unexpected worker death + * (`error`/`messageerror`/premature `exit` → `stopReason: 'error'`, or + * `'cancelled'` when a cancel was in flight), or the post-cancel grace timer + * (a script that never settles is force-settled `cancelled` and its worker + * terminated — the real kill an in-process engine could not perform). + * + * Children live in a host-side registry (callId → run): the worker drives + * their disposal by RPC on the graceful path, `dispose()` host-drives every + * registered child's disposal immediately (a wedged worker can relay no + * dispose RPC, and child teardown must overlap the grace, not start after + * it), and the registry is what lets the host abort and dispose every + * survivor when the worker dies or is terminated mid-flight. The three + * paths share ONE disposal per child (memoized by callId; the seam's + * dispose() is idempotent anyway, the memo keeps the bookkeeping and the + * containment warn single). Lifecycle pairing is host-guaranteed the same + * way: every forwarded `agent-start` lives in a ledger, and a start the + * dead or terminated worker never paired is closed by a synthesized + * `agent-end` (outcome `'cancelled'`) before the run settles. On a + * termination path `agentsStarted` reports the + * HOST-observed count (accepted `child-start` messages) — `agent()` calls + * still queued worker-side for a concurrency slot are unknowable then; the + * worker's own count rides the result message on every graceful path. + * + * @module @deepseek-ai/dsh-workflow-workerthread/host + */ + +import { fileURLToPath } from 'node:url' +import { Worker } from 'node:worker_threads' +import type { WorkerOptions } from 'node:worker_threads' +import type { Context } from 'cordis' +import type { Agent } from '@deepseek-ai/dsh-agent' +import { assertNever } from '@deepseek-ai/dsh-llm' +import type { SubagentRun } from '@deepseek-ai/dsh-subagent' +import type { WorkflowAgentEndInfo, WorkflowAgentInfo, WorkflowMeta, WorkflowResult, WorkflowRun, WorkflowRunId } from '@deepseek-ai/dsh-workflow' +import { renderThrown } from './realm.ts' +import type { ExecutionObserver } from './runtime.ts' +import { HostToWorkerType, WorkerToHostType } from './protocol.ts' +import type { HostToWorkerPayloads, WorkerToHostMessage } from './protocol.ts' +import type { ChildStartRequest, WorkerInit } from './types.ts' + +/** + * Resolve the worker entry and spawn options for the current runtime shape. + * Unbuilt (tsx demos, vitest — `import.meta.url` points into `src/`), the + * entry is the TypeScript sibling and the worker needs the tsx loader + * registered explicitly: a worker thread inherits no transform pipeline from + * vitest (vite transforms in-process, not via a node loader), and passing + * execArgv explicitly also shields the worker from any loader flags the + * parent was started with. Built (`lib/index.js`), the entry is the sibling + * bundle the package tsdown config emits and no loader is needed (execArgv + * pinned empty — hermetic, like the environment). + * + * Both shapes spawn with an EMPTY environment (`env: {}`): the documented vm + * escape reaches `process`, and the harness's ambient credentials + * (`DEEPSEEK_API_KEY` et al.) must not ride along — the same stance as + * `dsh-code-runtime-worker`, stronger than the scrubbed env the + * defensive-patterns rule requires for spawned commands (a shell needs PATH; + * this worker needs nothing). Sole exception: the unbuilt shape forwards + * `TSX_TSCONFIG_PATH` when the parent carries it (loader plumbing the paths + * map depends on outside the repo cwd, not a secret). This closes the + * AMBIENT channel only — an escapee still holds process-wide privileges + * like fs access (the README's trust premise stands). + * @param init - the run payload, passed as `workerData`. + * @returns the entry URL and the Worker options to spawn it with. + */ +function resolveWorkerSpawn(init: WorkerInit): { entry: URL; options: WorkerOptions } { + /* v8 ignore next 3 -- the built-output arm: tests always run unbuilt (src/); the built-worker e2e exercises this shape for real */ + if (!import.meta.url.endsWith('.ts')) { + return { entry: new URL('./worker.js', import.meta.url), options: { workerData: init, env: {}, execArgv: [] } } + } + // Lazy tsx resolution: only the unbuilt shape needs it, so the built + // bundle never requires tsx to be installed. TSX_TSCONFIG_PATH is the one + // variable forwarded through the scrub: tsx finds a tsconfig by searching + // UP from the worker's cwd, and a parent running with its cwd outside the + // repo (the ACP snapshot harness pins the tsconfig through this exact + // variable) would otherwise lose the dsh-* paths map and resolve workspace + // imports to unbuilt lib/ bundles. Loader plumbing, not a secret. + return { + entry: new URL('./worker.ts', import.meta.url), + options: { + workerData: init, + env: process.env.TSX_TSCONFIG_PATH === undefined ? {} : { TSX_TSCONFIG_PATH: process.env.TSX_TSCONFIG_PATH }, + execArgv: ['--import', fileURLToPath(import.meta.resolve('tsx'))], + }, + } +} + +/** + * One live worker-engine run — the seam's {@link WorkflowRun}, returned by + * `start()` directly. Owns the Worker, the child registry, and the result + * settlement; `result` never rejects. `meta` is this handle's OWN clone + * (event payloads carry separate clones), so a consumer mutating it corrupts + * nothing. + */ +export class WorkerRun implements WorkflowRun { + /** Settles exactly once with the run's outcome; never rejects. */ + readonly result: Promise<WorkflowResult> + private settleResolve!: (result: WorkflowResult) => void + private settled = false + private cancelReason: string | undefined + private graceTimer: NodeJS.Timeout | undefined + private readonly worker: Worker + /** Set on `exit`: the thread is gone, so posting has nowhere to go. */ + private workerGone = false + /** Accepted `child-start` messages — the terminate-path `agentsStarted` (see module doc). */ + private hostStarted = 0 + /** Live children by callId; an entry leaves ONLY after its dispose settles (quiescence = empty). */ + private readonly children = new Map<number, SubagentRun>() + /** In-flight child disposals by callId — the memo that gives every path (worker RPC, dispose(), reap) ONE shared disposal per child. */ + private readonly childDisposals = new Map<number, Promise<void>>() + /** Started-but-not-ended agents by seq — the pairing ledger the HOST guarantees (see {@link endAgent}). */ + private readonly liveAgents = new Map<number, WorkflowAgentInfo>() + private readonly quiescenceWaiters: (() => void)[] = [] + /** The per-run abort fanout every child start request carries. */ + private readonly controller = new AbortController() + private disposed: Promise<void> | undefined + + constructor( + private readonly ctx: Context, + readonly id: WorkflowRunId, + readonly meta: WorkflowMeta, + private readonly parent: Agent, + init: WorkerInit, + private readonly provider: string, + private readonly disposeGraceMs: number, + private readonly observer: ExecutionObserver, + signal: AbortSignal | undefined, + ) { + this.result = new Promise<WorkflowResult>((resolve) => { this.settleResolve = resolve }) + // workerData rides the structured clone: args are plain JSON by the seam + // contract, so the clone is total and doubles as the caller-isolation + // copy (a clone failure throws loud out of start()). + const { entry, options } = resolveWorkerSpawn(init) + this.worker = new Worker(entry, options) + this.worker.on('message', (message: WorkerToHostMessage) => { this.onMessage(message) }) + this.worker.on('error', (error) => { this.onWorkerDeath(`workflow worker failed: ${renderThrown(error)}`) }) + /* v8 ignore next -- messageerror: not constructible from the engine's own protocol (every payload is JSON data) */ + this.worker.on('messageerror', (error) => { this.onWorkerDeath(`workflow worker message failed to deserialize: ${renderThrown(error)}`) }) + this.worker.on('exit', (code) => { + this.workerGone = true + this.onWorkerDeath(`workflow worker exited before the run settled (exit code ${code})`) + }) + if (signal?.aborted) { + this.cancel('workflow start signal already aborted') + } else { + signal?.addEventListener('abort', () => { this.cancel('workflow signal aborted') }, { once: true }) + } + } + + /** + * Cancel the run: the worker is told (its hooks start throwing and the + * script dies at its next await), every host-side child is cancelled NOW on + * BOTH seam channels — the shared request signal aborts and each registered + * child's explicit `cancel()` is called (the seam leaves a provider free to + * honor either, and a worker wedged in a synchronous spin could not relay + * its own per-child cancel RPCs until far too late) — and the grace timer + * arms: a run still unsettled `disposeGraceMs` later force-settles + * `cancelled` and its worker is TERMINATED. Idempotent; the first reason + * wins. + * @param reason - human-readable cause (default `'workflow cancelled'`). + */ + cancel(reason?: string): void { + // A settled run has nothing left to cancel: without this guard the + // ordinary consumer path (await result, then dispose -> cancel) would arm + // a grace timer nothing ever clears, pinning the run and its Worker + // closure until the grace expires - a bounded leak per completed run. + if (this.settled || this.cancelReason !== undefined) return + this.cancelReason = reason ?? 'workflow cancelled' + this.post(HostToWorkerType.Cancel, { reason: this.cancelReason }) + this.controller.abort(this.cancelReason) + // The explicit channel is driven host-side, not left to the worker: a + // provider honoring only run.cancel() must not wait on a wedged worker's + // ChildCancel relay (those later RPCs land as idempotent no-ops). + for (const run of this.children.values()) run.cancel(this.cancelReason) + this.graceTimer = setTimeout(() => { + // The worker may no longer speak (it is about to be terminated): pair + // every stranded start before the run settles, so ends precede + // workflow/end. + this.endStrandedAgents() + this.settleResult(this.cancelledResult(this.hostStarted)) + void this.worker.terminate() + }, this.disposeGraceMs) + // unref'd: an armed grace timer must never hold the process open. + this.graceTimer.unref() + } + + /** + * Cancel + bounded settle + termination. Host-drives every registered + * child's disposal IMMEDIATELY — a wedged worker can relay no dispose RPC, + * and deferring child teardown to the post-terminate reap would spend the + * whole grace waiting for a quiescence that cannot start, then return with + * the disposals still in flight — so child disposal overlaps the same + * grace the worker gets to settle (the worker's own dispose RPCs join the + * shared per-child disposal). Waits (at most the grace) for the result and + * child quiescence, then terminates the worker unconditionally — the + * thread never outlives its run — and reaps whatever children remain + * (their disposal is contained, not awaited past the grace, the same + * abandonment the seam documents for a slow-disposing child). Idempotent; + * safe on every path. + * @returns resolves when the run's resources are released or abandoned. + */ + dispose(): Promise<void> { + this.disposed ??= (async () => { + this.cancel('workflow disposed') + for (const [callId, run] of [...this.children]) void this.disposeChild(callId, run) + await Promise.race([ + (async () => { + await this.result + await this.childQuiescence() + })(), + sleep(this.disposeGraceMs), + ]) + await this.worker.terminate() + this.reapChildren('workflow disposed') + })() + return this.disposed + } + + /** Post one message to the worker (payload looked up from the tag's map entry), tolerating a thread that is already gone. */ + private post<T extends HostToWorkerType>(type: T, payload: HostToWorkerPayloads[T]): void { + if (this.workerGone) return + try { + this.worker.postMessage({ type, ...payload }) + } catch (error: unknown) { + // Only a teardown race can land here (every engine message is JSON + // data, so serialization cannot fail); there is nothing left to + // deliver to — log and move on. + /* v8 ignore next -- postMessage teardown race (a throw between exit and its event): not constructible in-process */ + this.ctx.logger.warn(`workflow-workerthread: postMessage failed: ${renderThrown(error)}`) + } + } + + private onMessage(message: WorkerToHostMessage): void { + switch (message.type) { + case WorkerToHostType.Ready: + this.post(HostToWorkerType.Go, {}) + break + case WorkerToHostType.Phase: + // Post-cancel narration is suppressed host-side: worker-side the + // hooks throw once the cancel message is PROCESSED, but narration + // already in flight (or emitted while the cancel crossed the + // boundary) must not reach observers — nothing is emitted after + // cancel() returns. + if (this.cancelReason === undefined) this.observer.phase(message.title) + break + case WorkerToHostType.Log: + if (this.cancelReason === undefined) this.observer.log(message.message) + break + case WorkerToHostType.AgentStart: + this.liveAgents.set(message.info.seq, message.info) + this.observer.agentStart(message.info) + break + case WorkerToHostType.AgentEnd: + // NOT suppressed on cancel: cancelled children report their paired + // agent-end with outcome 'cancelled'. The gate (with the termination + // paths' synthesis) is what makes the one-pair-per-started-child + // contract hold on every stop path. + this.endAgent(message.info) + break + case WorkerToHostType.ChildStart: + this.onChildStart(message.callId, message.request) + break + case WorkerToHostType.ChildCancel: + this.children.get(message.callId)?.cancel(message.reason) + break + case WorkerToHostType.ChildDispose: + this.onChildDispose(message.callId) + break + case WorkerToHostType.Result: + this.onResult(message.result) + break + /* v8 ignore next 2 -- closed engine-owned union; the arm only makes adding a message type a compile error */ + default: + assertNever(message, 'worker-to-host message') + } + } + + private onChildStart(callId: number, request: ChildStartRequest): void { + if (this.cancelReason !== undefined) { + // The worker's start raced our cancel: refuse — a child must never + // start on an already-aborted signal (a provider subscribing only to + // future abort events would never observe it). + this.post(HostToWorkerType.ChildStartError, { callId, rendered: `workflow run cancelled: ${this.cancelReason}` }) + return + } + this.hostStarted += 1 + let run: SubagentRun + try { + run = this.ctx.subagents.start(this.provider, { + prompt: [{ type: 'text', text: request.prompt }], + parent: this.parent, + signal: this.controller.signal, + ...request.schema !== undefined ? { outputSchema: request.schema } : {}, + ...request.model !== undefined ? { agentOptions: { model: request.model } } : {}, + }) + } catch (error: unknown) { + this.post(HostToWorkerType.ChildStartError, { callId, rendered: renderThrown(error) }) + return + } + this.children.set(callId, run) + this.post(HostToWorkerType.ChildStarted, { callId, childId: run.id }) + run.result.then( + (result) => { + this.post(HostToWorkerType.ChildSettled, { + callId, + result: { + output: result.output, + ...result.structured !== undefined ? { structured: result.structured } : {}, + stopReason: result.stopReason, + }, + }) + }, + (error: unknown) => { this.post(HostToWorkerType.ChildFailed, { callId, rendered: renderThrown(error) }) }, + ) + } + + private onChildDispose(callId: number): void { + const run = this.children.get(callId) + if (run === undefined) { + // Already disposed host-side (a dispose() drive or a death reap beat + // the RPC) — the ack is still owed (the worker-side wrapper awaits it). + this.post(HostToWorkerType.ChildDisposed, { callId }) + return + } + // disposeChild never rejects (containment is inside), so the ack always follows. + void this.disposeChild(callId, run).then(() => { this.post(HostToWorkerType.ChildDisposed, { callId }) }) + } + + /** + * Start (or join) one registered child's disposal; the registry entry + * leaves when it settles. Memoized per callId: the worker's dispose RPC, + * the dispose() host drive, and the reap can all land on the same child — + * the child's `dispose()` runs once and every caller awaits that one + * settlement. A rejection is contained (the subagent seam's dispose() is + * not supposed to reject, but a backend that does anyway must not break + * quiescence): logged, and the child still leaves the registry. + * @param callId - the child's registry key. + * @param run - the registered child (the caller looked it up). + * @returns resolves when the disposal settled either way; never rejects. + */ + private disposeChild(callId: number, run: SubagentRun): Promise<void> { + let disposal = this.childDisposals.get(callId) + if (disposal === undefined) { + disposal = run.dispose().then( + () => { this.finishChild(callId) }, + (error: unknown) => { + this.ctx.logger.warn(`workflow-workerthread: child dispose failed: ${renderThrown(error)}`) + this.finishChild(callId) + }, + ) + this.childDisposals.set(callId, disposal) + } + return disposal + } + + /** Drop a child from the registry (and its disposal memo), releasing quiescence waiters at zero. */ + private finishChild(callId: number): void { + this.children.delete(callId) + this.childDisposals.delete(callId) + if (this.children.size === 0) { + for (const waiter of this.quiescenceWaiters.splice(0)) waiter() + } + } + + /** Resolves once the child registry is empty (every disposal settled). */ + private childQuiescence(): Promise<void> { + if (this.children.size === 0) return Promise.resolve() + return new Promise((resolve) => { this.quiescenceWaiters.push(resolve) }) + } + + /** Abort + dispose every registered child (worker death / final teardown); disposal is contained, not awaited. */ + private reapChildren(reason: string): void { + this.controller.abort(this.cancelReason ?? reason) + for (const [callId, run] of [...this.children]) { + run.cancel(this.cancelReason ?? reason) + void this.disposeChild(callId, run) + } + } + + private onResult(result: WorkflowResult): void { + // The worker's settle-reap already child-cancel()s every stray; this + // abort fires the seam signal too, for providers that only honor the + // request signal (both channels, on every path). + if (this.cancelReason === undefined) this.controller.abort('workflow settled') + if (this.cancelReason !== undefined && result.stopReason !== 'cancelled') { + // The script settled while our cancel was crossing the thread boundary + // — the seam-visible result had NOT settled when cancellation was + // requested, so report cancelled (the vm drive()'s post-settle check, + // relocated to the receiving side of the race). + this.settleResult(this.cancelledResult(result.agentsStarted)) + return + } + this.settleResult(result) + } + + /** An unexpected worker death (or the expected exit after termination). */ + private onWorkerDeath(message: string): void { + // Whatever the worker left behind must not leak — abort + dispose it all. + if (this.children.size > 0) this.reapChildren('workflow worker gone') + // The thread is gone: no more worker-authored agent-ends can arrive — + // pair every stranded start (a start that crossed between the grace + // force-settle and this exit included) before the run settles. + this.endStrandedAgents() + // settleResult no-ops on an already-settled run (the expected exit after + // a dispose's terminate lands here too). + if (this.cancelReason !== undefined) { + this.settleResult(this.cancelledResult(this.hostStarted)) + return + } + this.settleResult({ value: null, stopReason: 'error', error: message, agentsStarted: this.hostStarted }) + } + + /** + * The single agent-end emission gate: forwards `end` iff its start is still + * unpaired in the ledger, so every forwarded `workflow/agent-start` gets + * EXACTLY one `workflow/agent-end` — the worker's own report where it can + * speak, a host-synthesized one where it cannot ({@link endStrandedAgents}). + * @param end - the settlement to emit (worker-reported or synthesized). + */ + private endAgent(end: WorkflowAgentEndInfo): void { + /* v8 ignore next -- a real end still in flight across the grace force-settle: not orderable in-process */ + if (!this.liveAgents.delete(end.seq)) return + this.observer.agentEnd(end) + } + + /** + * Synthesize the missing `agent-end` for every started-but-unpaired agent, + * outcome `'cancelled'`: the reap cancels every child, and a real + * settlement racing the force-settle loses to the cancellation — the same + * first-wins override {@link onResult} applies to the run's own result. + * Called where the worker can no longer speak (the grace force-settle, + * worker death), BEFORE settleResult, so the paired ends reach observers + * before `workflow/end`. + */ + private endStrandedAgents(): void { + for (const info of [...this.liveAgents.values()]) { + this.endAgent({ ...info, outcome: 'cancelled' }) + } + } + + private cancelledResult(agentsStarted: number): WorkflowResult { + // cancel() is the only writer of cancelReason and every caller checks it + // first; the fallback guards the type, not a reachable path. + /* v8 ignore next */ + const reason = this.cancelReason ?? 'workflow cancelled' + return { value: null, stopReason: 'cancelled', error: `workflow run cancelled: ${reason}`, agentsStarted } + } + + /** First settle wins; disarms the grace timer. */ + private settleResult(result: WorkflowResult): void { + if (this.settled) return + this.settled = true + clearTimeout(this.graceTimer) + this.settleResolve(result) + } +} + +/** A plain timer sleep (the dispose grace); unref'd so it never holds the process open. */ +function sleep(ms: number): Promise<void> { + return new Promise((resolve) => { + const timer = setTimeout(resolve, ms) + timer.unref() + }) +} diff --git a/packages/workflow/workflow-workerthread/src/index.ts b/packages/workflow/workflow-workerthread/src/index.ts new file mode 100644 index 0000000000..e0b8caf3fb --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/index.ts @@ -0,0 +1,203 @@ +/** + * The `node:worker_threads` workflow engine: the {@link WorkflowService} + * implementation. Runs each script in its OWN worker thread (one run = one + * worker, no pooling — a run is heavyweight, so thread spin-up is noise): the + * body executes in a vm context INSIDE the worker with the workflow hooks + * injected, and `agent()` calls bridge back to `ctx.subagents` over the + * message port — child agents are I/O-bound LLM loops and stay on the host + * event loop; the thread isolates the SCRIPT, the only part that can spin + * synchronously. + * + * TRUST PREMISE: scripts are MODEL-WRITTEN — the same trust level as the + * model's existing bash access — so this engine defends against BUGGY + * scripts, never hostile ones. A worker thread is NOT a security boundary: + * the vm context inside it is escapable by construction, and an escapee + * holds the same process privileges as the host (Node's permission model is + * process-wide); genuine sandboxing (isolated-vm, a separate process) is an + * engine swap behind the seam. What the thread buys, concretely: + * + * - `start()` never blocks the host: the script's initial synchronous slice + * (and any later synchronous spin) occupies the WORKER's event loop, not + * the harness's. + * - Termination is REAL: a script that outlives its post-cancel grace is + * `worker.terminate()`d — nothing of the script survives `dispose()`, + * where an in-process engine could only abandon the spin on its own loop. + * - The value boundary is serialization by construction: everything crossing + * the thread is structured-clone data (and plain JSON before that, by the + * materialization walk in ./realm.ts). + * + * Engine-specific limitations: worker startup (~tens of ms) is paid per run; + * on a termination path `agentsStarted` reports the host-observed child + * count (calls still queued worker-side for a slot are unknowable — see + * ./host.ts); and a worker that dies unexpectedly (an OOM, a script reaching + * `process.exit` through the documented vm escape) settles the run + * `stopReason: 'error'` with the exit diagnostics. + * + * Plugin export shape: a default-exported {@link WorkflowService} subclass + * (the class-based service form, like `dsh-bash-local`). + * + * @module @deepseek-ai/dsh-workflow-workerthread + */ + +import { randomUUID } from 'node:crypto' +import { availableParallelism } from 'node:os' +import * as vm from 'node:vm' +import type { Context } from 'cordis' +import z from 'schemastery' +import WorkflowService, { WorkflowError, WorkflowRunId } from '@deepseek-ai/dsh-workflow' +import type { WorkflowRun, WorkflowRunInfo, WorkflowStartRequest } from '@deepseek-ai/dsh-workflow' +import { WorkerRun } from './host.ts' +import { validateMeta } from './meta.ts' +import type { WorkerInit, WorkerLimits } from './types.ts' + +export { validateMeta } from './meta.ts' +export { HostToWorkerType, WorkerToHostType } from './protocol.ts' +export type { HostToWorkerMessage, HostToWorkerPayloads, WorkerToHostMessage, WorkerToHostPayloads } from './protocol.ts' +export { materializeFromRealm, MaterializeError } from './realm.ts' +export { WorkflowExecution, type ExecutionObserver } from './runtime.ts' +export { requireParentPort, runWorkerSession } from './session.ts' +export type { + ChildHandle, + ChildPort, + ChildResult, + ChildStartRequest, + WorkerInit, + WorkerLimits, +} from './types.ts' + +/** Plugin config (all optional — `static Config` supplies the defaults). */ +export interface Config { + /** The `ctx.subagents` provider children run on (default `spawn`). */ + provider?: string + /** Concurrent `agent()` ceiling; `0` (the default) auto-resolves to `min(16, max(1, cores - 2))`. */ + maxConcurrentAgents?: number + /** Total `agent()` calls one run may start — the runaway-loop backstop (default 1000). */ + maxTotalAgents?: number + /** Items accepted by a single `parallel()`/`pipeline()` call (default 4096). */ + maxItemsPerCall?: number + /** vm timeout for the script's initial synchronous slice, inside the worker (default 5000 ms). */ + syncTimeoutMs?: number + /** + * How long after a cancellation an unsettled script may keep running before + * the run force-settles `cancelled` and its worker is TERMINATED (default + * 5000 ms); also bounds `dispose()`. + */ + disposeGraceMs?: number +} + +type ResolvedConfig = Required<Config> + +/** A body that still carries the Claude Code-style meta header (meta rides the seam as data here). */ +const META_STATEMENT = /^\s*export\s+const\s+meta\b/ + +/** + * Parse-check the body with the SAME wrapper the worker-side runtime + * compiles, so `start()` keeps the seam's synchronous `SCRIPT_PARSE` throw + * (the worker's own compile happens a thread away, after `start()` returned). + * One redundant parse per run, bought deliberately for the contract. A body + * opening with `export const meta` gets a pointed message instead of the + * wrapper's bare SyntaxError — the model's likeliest authoring slip. + */ +function assertBodyParses(body: string, name: string): void { + if (META_STATEMENT.test(body)) { + throw new WorkflowError('workflow meta rides the `meta` request field, not the script: remove the `export const meta = {...}` statement from the body', 'SCRIPT_PARSE') + } + try { + // Parse only — the script object is discarded, nothing executes. + void new vm.Script(`(async () => {\n${body}\n})()`, { filename: `workflow:${name}`, lineOffset: -1 }) + } catch (error: unknown) { + throw new WorkflowError(`workflow script does not parse: ${String(error)}`, 'SCRIPT_PARSE', { cause: error }) + } +} + +/** + * The worker-thread engine service. `start()` validates the script up front + * (meta + a host-side body parse) and returns a {@link WorkflowRun} whose + * `result` never rejects; the `workflow/*` events fire around the run per + * the seam contract. + */ +export class WorkerWorkflowEngine extends WorkflowService { + static inject = ['subagents'] + + static Config: z<Config> = z.object({ + provider: z.string().default('spawn'), + maxConcurrentAgents: z.natural().default(0), + maxTotalAgents: z.natural().min(1).default(1000), + maxItemsPerCall: z.natural().min(1).default(4096), + syncTimeoutMs: z.natural().min(1).default(5000), + disposeGraceMs: z.natural().default(5000), + }) + + private readonly config: ResolvedConfig + + constructor(ctx: Context, config: Config) { + super(ctx) + // schemastery (static Config) has already filled the defaulted fields; + // the assertion records that resolution, not a hidden fallback. + this.config = config as ResolvedConfig + } + + /** + * Validate and execute a workflow script in a fresh worker thread. Throws + * {@link WorkflowError} synchronously (`META_INVALID` for a malformed meta + * block, `SCRIPT_PARSE` for a body that does not compile) for a request + * that cannot begin; once a run is returned, every failure resolves through + * `result.stopReason` instead. + * @param request - the script body, its meta data and `args`, the parent + * agent, and an optional cancel signal. + * @returns the live run (its `result` resolves when the script settles). + */ + start(request: WorkflowStartRequest): WorkflowRun { + const meta = validateMeta(request.meta) + assertBodyParses(request.script, meta.name) + const id = WorkflowRunId(randomUUID()) + // The event payloads and the run handle get SEPARATE meta clones: a + // listener mutating its snapshot must not corrupt the holder's view. + const info: WorkflowRunInfo = { id, meta: structuredClone(meta) } + const limits: WorkerLimits = { + maxConcurrentAgents: this.config.maxConcurrentAgents === 0 + ? Math.min(16, Math.max(1, availableParallelism() - 2)) + : this.config.maxConcurrentAgents, + maxTotalAgents: this.config.maxTotalAgents, + maxItemsPerCall: this.config.maxItemsPerCall, + syncTimeoutMs: this.config.syncTimeoutMs, + } + const init: WorkerInit = { + meta, + body: request.script, + ...request.args !== undefined ? { args: request.args } : {}, + limits, + } + const workerRun = new WorkerRun( + this.ctx, + id, + structuredClone(meta), + request.parent, + init, + this.config.provider, + this.config.disposeGraceMs, + { + phase: (title) => { this.emitWorkflowEvent('workflow/phase', info, title) }, + log: (message) => { this.emitWorkflowEvent('workflow/log', info, message) }, + agentStart: (agent) => { this.emitWorkflowEvent('workflow/agent-start', info, agent) }, + agentEnd: (agent) => { this.emitWorkflowEvent('workflow/agent-end', info, agent) }, + }, + request.signal, + ) + + this.emitWorkflowEvent('workflow/start', info) + // `workflow/end` fires as the (never-rejecting) result settles, with the + // outcome DATA only — the value stays with the run's holder. + void workerRun.result.then((settled) => { + this.emitWorkflowEvent('workflow/end', info, { + stopReason: settled.stopReason, + ...settled.error !== undefined ? { error: settled.error } : {}, + agentsStarted: settled.agentsStarted, + }) + }) + + return workerRun + } +} + +export default WorkerWorkflowEngine diff --git a/packages/workflow/workflow-workerthread/src/meta.ts b/packages/workflow/workflow-workerthread/src/meta.ts new file mode 100644 index 0000000000..848a4fc9b1 --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/meta.ts @@ -0,0 +1,85 @@ +/** + * Meta validation: check the caller-provided {@link WorkflowMeta} DATA against + * the shape contract and reject everything else loud, every violation named. + * Meta arrives as plain JSON through the seam (the model-facing tool carries + * it as a schema-validated object parameter) — the engine never evaluates + * script text to obtain it, so no script-controlled code can run on the host + * here (an evaluated meta literal could smuggle getters that spin the host + * outside any vm timeout, the exact escape the worker thread exists to + * prevent). + * + * @module @deepseek-ai/dsh-workflow-workerthread/meta + */ + +import { WorkflowError } from '@deepseek-ai/dsh-workflow' +import type { WorkflowMeta, WorkflowPhase } from '@deepseek-ai/dsh-workflow' + +/** Collect shape violations for a meta value (plain JSON data by the seam contract). */ +function validateMetaShape(meta: unknown): { meta?: WorkflowMeta; violations: string[] } { + const violations: string[] = [] + if (typeof meta !== 'object' || meta === null || Array.isArray(meta)) { + return { violations: ['meta must be an object'] } + } + const record = meta as Record<string, unknown> + const known = new Set(['name', 'description', 'whenToUse', 'phases']) + for (const key of Object.keys(record)) { + if (!known.has(key)) violations.push(`meta.${key} is not a recognized field (name/description/whenToUse/phases)`) + } + if (typeof record.name !== 'string' || record.name.length === 0) violations.push('meta.name must be a non-empty string') + if (typeof record.description !== 'string' || record.description.length === 0) violations.push('meta.description must be a non-empty string') + if (record.whenToUse !== undefined && typeof record.whenToUse !== 'string') violations.push('meta.whenToUse must be a string') + const phases: WorkflowPhase[] = [] + if (record.phases !== undefined) { + if (!Array.isArray(record.phases)) { + violations.push('meta.phases must be an array') + } else { + record.phases.forEach((phase, index) => { + if (typeof phase !== 'object' || phase === null || Array.isArray(phase)) { + violations.push(`meta.phases[${index}] must be an object`) + return + } + const entry = phase as Record<string, unknown> + for (const key of Object.keys(entry)) { + if (!['title', 'detail', 'model'].includes(key)) violations.push(`meta.phases[${index}].${key} is not a recognized field`) + } + if (typeof entry.title !== 'string' || entry.title.length === 0) violations.push(`meta.phases[${index}].title must be a non-empty string`) + if (entry.detail !== undefined && typeof entry.detail !== 'string') violations.push(`meta.phases[${index}].detail must be a string`) + if (entry.model !== undefined && typeof entry.model !== 'string') violations.push(`meta.phases[${index}].model must be a string`) + if (violations.length === 0) { + phases.push({ + title: entry.title as string, + ...entry.detail !== undefined ? { detail: entry.detail as string } : {}, + ...entry.model !== undefined ? { model: entry.model as string } : {}, + }) + } + }) + } + } + if (violations.length > 0) return { violations } + return { + violations, + meta: { + name: record.name as string, + description: record.description as string, + ...record.whenToUse !== undefined ? { whenToUse: record.whenToUse as string } : {}, + ...record.phases !== undefined ? { phases } : {}, + }, + } +} + +/** + * Validate a caller-provided meta value against the {@link WorkflowMeta} + * contract. Throws `META_INVALID` naming every violation (unknown fields, + * missing/mistyped `name`/`description`, malformed `phases`); the returned + * meta is a NORMALIZED copy built from the validated fields, so the engine + * never aliases the caller's object. + * @param value - the meta data from the start request (plain JSON by the seam contract). + * @returns the validated, normalized meta block. + */ +export function validateMeta(value: unknown): WorkflowMeta { + const { meta, violations } = validateMetaShape(value) + if (meta === undefined) { + throw new WorkflowError(`invalid meta: ${violations.join('; ')}`, 'META_INVALID') + } + return meta +} diff --git a/packages/workflow/workflow-workerthread/src/protocol.ts b/packages/workflow/workflow-workerthread/src/protocol.ts new file mode 100644 index 0000000000..f6e85ee509 --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/protocol.ts @@ -0,0 +1,114 @@ +/** + * The host⇄worker wire protocol: one string-valued enum of message tags per + * direction, a payload map giving each tag its parameters (the single source + * of truth), and the message unions derived from them. Everything in a + * payload is plain JSON data by construction (the runtime materializes + * script values before they reach a message; the host projects seam results + * down to their JSON fields), so the structured-clone hop never meets a + * value it cannot carry. + * + * Both directions are CLOSED (engine-owned): each side switches on `type` + * and ends with `assertNever` — an unknown message is a protocol bug, never + * something to skip silently. Senders go through a generic + * `post(type, payload)` whose payload parameter is looked up from the map, + * so a tag/payload mismatch is a compile error at the call site. + * + * @module @deepseek-ai/dsh-workflow-workerthread/protocol + */ + +import type { WorkflowAgentEndInfo, WorkflowAgentInfo, WorkflowResult } from '@deepseek-ai/dsh-workflow' +import type { ChildResult, ChildStartRequest } from './types.ts' + +/** Message tags the worker sends the host (the wire values are the tag strings). */ +export enum WorkerToHostType { + /** The startup handshake: the session is listening and awaits {@link HostToWorkerType.Go}. */ + Ready = 'ready', + /** Observer narration: a `phase(title)` call. */ + Phase = 'phase', + /** Observer narration: a `log(message)` call. */ + Log = 'log', + /** Observer lifecycle: one `agent()` call started a child. */ + AgentStart = 'agent-start', + /** Observer lifecycle: one `agent()` call settled. */ + AgentEnd = 'agent-end', + /** Child RPC: start a child on the host (answered by ChildStarted or ChildStartError). */ + ChildStart = 'child-start', + /** Child RPC: cancel a started child (fire-and-forget). */ + ChildCancel = 'child-cancel', + /** Child RPC: dispose a started child (answered by ChildDisposed). */ + ChildDispose = 'child-dispose', + /** The run's single terminal result. */ + Result = 'result', +} + +/** The payload each worker→host tag carries. */ +export interface WorkerToHostPayloads { + /** Ready carries nothing. */ + [WorkerToHostType.Ready]: Record<never, never> + /** The phase title, verbatim. */ + [WorkerToHostType.Phase]: { title: string } + /** The logged message, verbatim. */ + [WorkerToHostType.Log]: { message: string } + /** The call's sequence number, label, phase, and child id. */ + [WorkerToHostType.AgentStart]: { info: WorkflowAgentInfo } + /** The call identity plus its outcome. */ + [WorkerToHostType.AgentEnd]: { info: WorkflowAgentEndInfo } + /** The RPC correlation id and the prompt plus validated options. */ + [WorkerToHostType.ChildStart]: { callId: number; request: ChildStartRequest } + /** The RPC correlation id and the cancel reason (undefined = unspecified). */ + [WorkerToHostType.ChildCancel]: { callId: number; reason: string | undefined } + /** The RPC correlation id of the child to dispose. */ + [WorkerToHostType.ChildDispose]: { callId: number } + /** The run's terminal outcome. */ + [WorkerToHostType.Result]: { result: WorkflowResult } +} + +/** Message tags the host sends the worker (the wire values are the tag strings). */ +export enum HostToWorkerType { + /** Releases the startup gate: run the script body. */ + Go = 'go', + /** Cancel the run: hooks start throwing and the script dies at its next await. */ + Cancel = 'cancel', + /** Child RPC reply: the start succeeded (exactly one of ChildStarted/ChildStartError per ChildStart). */ + ChildStarted = 'child-started', + /** Child RPC reply: the start was refused or threw. */ + ChildStartError = 'child-start-error', + /** Child RPC: a started child's result RESOLVED (its JSON projection). */ + ChildSettled = 'child-settled', + /** Child RPC: a started child's result REJECTED (an infrastructure fault, rendered). */ + ChildFailed = 'child-failed', + /** Child RPC reply: a requested disposal completed. */ + ChildDisposed = 'child-disposed', +} + +/** The payload each host→worker tag carries. */ +export interface HostToWorkerPayloads { + /** Go carries nothing. */ + [HostToWorkerType.Go]: Record<never, never> + /** The cancel reason, canonical for the whole run. */ + [HostToWorkerType.Cancel]: { reason: string } + /** The RPC correlation id and the child agent's id (minted by the subagent seam). */ + [HostToWorkerType.ChildStarted]: { callId: number; childId: string } + /** The RPC correlation id and the rendered start failure. */ + [HostToWorkerType.ChildStartError]: { callId: number; rendered: string } + /** The RPC correlation id and the child's terminal result projection. */ + [HostToWorkerType.ChildSettled]: { callId: number; result: ChildResult } + /** The RPC correlation id and the rendered infrastructure fault. */ + [HostToWorkerType.ChildFailed]: { callId: number; rendered: string } + /** The RPC correlation id of the completed disposal. */ + [HostToWorkerType.ChildDisposed]: { callId: number } +} + +/** + * One worker→host message of tag `T`; unparameterized, the closed union over + * every tag (a discriminated union — `switch` on `type` narrows). + */ +export type WorkerToHostMessage<T extends WorkerToHostType = WorkerToHostType> = + { [K in T]: { type: K } & WorkerToHostPayloads[K] }[T] + +/** + * One host→worker message of tag `T`; unparameterized, the closed union over + * every tag (a discriminated union — `switch` on `type` narrows). + */ +export type HostToWorkerMessage<T extends HostToWorkerType = HostToWorkerType> = + { [K in T]: { type: K } & HostToWorkerPayloads[K] }[T] diff --git a/packages/workflow/workflow-workerthread/src/realm.ts b/packages/workflow/workflow-workerthread/src/realm.ts new file mode 100644 index 0000000000..393716c279 --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/realm.ts @@ -0,0 +1,174 @@ +/** + * The engine's value boundary: copy script-realm values into plain JSON data + * — loud about everything JSON cannot carry — and render thrown script + * values to failure text. The script runs in a vm context INSIDE the worker + * thread, so "host" here means the worker-side JavaScript around that + * context; everything that later crosses the thread boundary is JSON by this + * walk, which is what makes the postMessage hop total. + * + * TRUST PREMISE (everything in this module hangs on it): workflow scripts are + * MODEL-WRITTEN, the same trust level as the model's existing bash access, so + * this boundary guards against BUGGY scripts, not hostile ones. It rejects + * loud what JSON would silently mangle — functions, symbols, bigints, + * non-finite numbers, nested `undefined`, cycles, sparse arrays, exotic + * prototypes — because accepted-then-ignored is this repo's banned failure + * mode. It does NOT defend against adversarial values: the walk reads + * properties ordinarily (a getter runs, and whatever it returns is what + * crosses), {@link renderThrown} reads `stack`/`message`/`String()` directly, + * and a proxy is walked through its traps. A hostile script gains nothing + * worth defending here — the vm context inside the worker is escapable by + * construction, so hostile-value containment would be cost without a threat + * model (what the worker thread DOES buy is that a spin occupies the + * worker's loop, not the host's, and termination is real). + * + * The host→realm direction needs no machinery at all: hooks hand the script + * plain values of the worker realm, prototypes included — the script is + * trusted. One consequence is documented in the engine README: an error + * thrown by a hook is built OUTSIDE the script's vm context, so an in-script + * `instanceof Error` check is false; read `name`/`code`/`message` instead. + * + * @module @deepseek-ai/dsh-workflow-workerthread/realm + */ + +/** Thrown by {@link materializeFromRealm}; the caller wraps it into the right `WorkflowError` code. */ +export class MaterializeError extends Error { + constructor(public readonly path: string, public readonly reason: string) { + super(`${path}: ${reason}`) + this.name = 'MaterializeError' + } +} + +/** + * Render a thrown value to failure text without ever throwing: prefer the + * `stack` (host or realm — a realm error's `stack` is a plain string read), + * fall back to `message`, then `String()`. Reading those properties MAY run + * script code (a getter, `toString`) — accepted under the module's trust + * premise; if that code itself throws, a fixed label is returned instead. + * @param error - the thrown value, of any shape and any realm. + * @returns human-readable text for the failure report; prefers the stack. + */ +export function renderThrown(error: unknown): string { + try { + const stack = (error as { stack?: unknown } | null | undefined)?.stack + if (typeof stack === 'string' && stack.length > 0) return stack + const message = (error as { message?: unknown } | null | undefined)?.message + if (typeof message === 'string' && message.length > 0) return message + return String(error) + } catch { + // A throwing accessor/toString on the thrown value — rendering must be + // total (drive()'s never-reject contract), so fall back to a fixed label. + return '[unrenderable thrown value]' + } +} + +/** + * Whether an object's prototype chain is data-shaped: `null`, or a prototype + * whose own prototype is `null` (the realm's `Object.prototype` — which we + * cannot compare by identity across realms). A `Date`/`Map`/class instance + * has a longer chain and is rejected. + */ +function hasPlainPrototype(value: object): boolean { + const proto: unknown = Object.getPrototypeOf(value) + if (proto === null) return true + return Object.getPrototypeOf(proto) === null +} + +/** + * Copy `value` (typically from the vm realm) into plain host JSON data. + * Throws {@link MaterializeError} naming the offending path for anything JSON + * cannot carry losslessly. Properties are read ordinarily — a getter runs and + * its RESULT is materialized; a read that throws surfaces as a + * {@link MaterializeError} carrying the rendered failure. `undefined` is + * accepted only at the ROOT (a script with no `return` value) — the caller + * decides what it means; an `undefined` nested INSIDE a container is a + * violation. + * @param value - the realm value to materialize. + * @param root - the path label for the root value (error messages). + * @returns the host-realm copy (plain objects/arrays/scalars only). + */ +export function materializeFromRealm(value: unknown, root = 'value'): unknown { + if (value === undefined) return undefined + try { + return materialize(value, root, new Set()) + } catch (error: unknown) { + if (error instanceof MaterializeError) throw error + // A property read ran script code that threw; total-ize it so callers can + // keep the narrow MaterializeError contract. + throw new MaterializeError(root, `reading the value threw: ${renderThrown(error)}`) + } +} + +function materialize(value: unknown, path: string, seen: Set<object>): unknown { + switch (typeof value) { + case 'boolean': + case 'string': + return value + case 'number': { + if (!Number.isFinite(value)) throw new MaterializeError(path, 'non-finite numbers are not JSON data') + return value + } + case 'bigint': + throw new MaterializeError(path, 'bigints are not JSON data') + case 'function': + throw new MaterializeError(path, 'functions cannot cross the workflow value boundary') + case 'symbol': + throw new MaterializeError(path, 'symbols cannot cross the workflow value boundary') + case 'undefined': + throw new MaterializeError(path, 'undefined is not JSON data') + case 'object': + break + } + if (value === null) return null + const objectValue: object = value + if (seen.has(objectValue)) throw new MaterializeError(path, 'circular references are not JSON data') + seen.add(objectValue) + try { + if (Array.isArray(objectValue)) return materializeArray(objectValue, path, seen) + return materializeObject(objectValue, path, seen) + } finally { + seen.delete(objectValue) + } +} + +function materializeArray(value: unknown[], path: string, seen: Set<object>): unknown[] { + const out: unknown[] = [] + for (let index = 0; index < value.length; index++) { + if (!(index in value)) throw new MaterializeError(`${path}[${index}]`, 'sparse arrays are not JSON data') + out.push(materialize(value[index], `${path}[${index}]`, seen)) + } + // Own enumerable props beyond the indices (e.g. `arr.total = 3`) would be + // silently dropped by JSON — reject them instead. + for (const key of Object.keys(value)) { + const index = Number(key) + if (!Number.isInteger(index) || index < 0 || index >= value.length) { + throw new MaterializeError(`${path}.${key}`, 'arrays with non-index properties are not JSON data') + } + } + if (Object.getOwnPropertySymbols(value).length > 0) { + throw new MaterializeError(path, 'symbol-keyed properties cannot cross the workflow value boundary') + } + return out +} + +function materializeObject(value: object, path: string, seen: Set<object>): Record<string, unknown> { + if (!hasPlainPrototype(value)) { + throw new MaterializeError(path, 'only plain objects and arrays are JSON data (exotic prototype)') + } + if (Object.getOwnPropertySymbols(value).length > 0) { + throw new MaterializeError(path, 'symbol-keyed properties cannot cross the workflow value boundary') + } + const out: Record<string, unknown> = {} + // Object.keys = own enumerable string keys, matching JSON.stringify's + // property selection exactly (non-enumerable props never reach JSON output). + for (const key of Object.keys(value)) { + // defineProperty, never assignment: a "__proto__" key must become an OWN + // data property of the copy, not a prototype mutation. + Object.defineProperty(out, key, { + value: materialize((value as Record<string, unknown>)[key], `${path}.${key}`, seen), + enumerable: true, + writable: true, + configurable: true, + }) + } + return out +} diff --git a/packages/workflow/workflow-workerthread/src/runtime.ts b/packages/workflow/workflow-workerthread/src/runtime.ts new file mode 100644 index 0000000000..645a61b6c4 --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/runtime.ts @@ -0,0 +1,522 @@ +/** + * Per-run execution state for the engine's THREAD side: the script's vm + * context and its injected hooks (`agent`/`parallel`/`pipeline`/`phase`/ + * `log`/`args`), the concurrency semaphore and caps, cancellation, and the + * drive loop that turns a script settlement into a {@link WorkflowResult}. + * Children are started by RPC to the host through a {@link ChildPort}, so + * this module never touches a cordis context — it runs inside the worker + * thread. + * + * Value boundary (the trust premise lives in ./realm.ts): values ENTERING the + * worker-side host code from the script (hook options, schemas, the return + * value) are materialized by `materializeFromRealm` — a plain walk that + * rejects loud everything JSON cannot carry, which also makes every value + * safe for the later postMessage hop. Values ENTERING the realm (`args`, + * `agent()` results, hook promises and their failures, combinator arrays) are + * handed over DIRECTLY as worker-realm values: the script is model-written + * and trusted, so outer prototypes are not a leak. `args` is cloned once at + * start so a script scribbling on it cannot mutate the session's init object + * (a benign-bug guard; the postMessage clone already isolated the caller). + * + * Failure discipline: fatal {@link WorkflowError}s (bad hook arguments, + * unsupported options/schemas, tripped caps, host start refusals and child + * result rejections, cancellation) ALWAYS propagate through + * `parallel`/`pipeline` — recognized by `instanceof` against this realm's + * class, which a script inside the vm context cannot forge — and the per-item + * `null` is reserved for child-run failures and ordinary in-stage script + * errors. Every hook-returned promise gets a no-op rejection consumer, so a + * dropped promise cannot surface an unhandled rejection (which would kill the + * worker and read as an engine fault). + * + * There is deliberately NO worker-side abandon channel: a script that never + * settles after a cancel simply never posts a result, and the HOST enforces + * the settles-within-grace guarantee by force-settling `cancelled` and + * terminating the worker — the real kill an in-process engine could not have. + * + * @module @deepseek-ai/dsh-workflow-workerthread/runtime + */ + +import * as vm from 'node:vm' +import { AgentId } from '@deepseek-ai/dsh-agent' +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import { assertSupportedOutputSchema, OutputSchemaError } from '@deepseek-ai/dsh-tools' +import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' +import { isFatalWorkflowError, WorkflowError } from '@deepseek-ai/dsh-workflow' +import type { + WorkflowAgentEndInfo, + WorkflowAgentInfo, + WorkflowMeta, + WorkflowResult, +} from '@deepseek-ai/dsh-workflow' +import { materializeFromRealm, MaterializeError, renderThrown } from './realm.ts' +import type { ChildHandle, ChildPort, WorkerLimits } from './types.ts' + +/** The observers the execution reports progress through (the session posts them to the host). */ +export interface ExecutionObserver { + phase(title: string): void + log(message: string): void + agentStart(info: WorkflowAgentInfo): void + agentEnd(info: WorkflowAgentEndInfo): void +} + +/** The `agent()` options the script may pass; everything else rejects loud. */ +const SUPPORTED_AGENT_OPTIONS = new Set(['label', 'phase', 'schema', 'model']) +/** Deferred Claude Code options we name explicitly in the rejection message. */ +const DEFERRED_AGENT_OPTIONS = new Set(['effort', 'isolation', 'agentType']) + +/** Flatten a child's final output blocks to text (the non-schema `agent()` result). */ +function outputText(blocks: ContentBlock[]): string { + return blocks + .filter((block): block is Extract<ContentBlock, { type: 'text' }> => block.type === 'text') + .map(block => block.text) + .join('') +} + +/** A short display label derived from the prompt when the script passes none. */ +function defaultLabel(prompt: string): string { + const newline = prompt.indexOf('\n') + const line = newline === -1 ? prompt : prompt.slice(0, newline) + return line.length <= 48 ? line : `${line.slice(0, 47)}…` +} + +/** + * One live script execution inside the worker. Constructed per run by the + * session; `drive()` is called exactly once and NEVER rejects — every failure + * becomes a {@link WorkflowResult} with a non-`completed` stop reason. + */ +export class WorkflowExecution { + /** 1-based count of `agent()` calls started (the `agentsStarted` result field). */ + private started = 0 + private activeSlots = 0 + private readonly slotWaiters: { resolve(): void; reject(error: unknown): void }[] = [] + private cancelReason: string | undefined + private cancelError: WorkflowError | undefined + private readonly controller = new AbortController() + private currentPhase: string | undefined + private readonly context: vm.Context + private readonly compiled: vm.Script + + constructor( + meta: WorkflowMeta, + body: string, + args: unknown, + private readonly limits: WorkerLimits, + private readonly observer: ExecutionObserver, + private readonly children: ChildPort, + ) { + // Compile FIRST: a body syntax error must throw out of the constructor + // before any realm state exists. The host pre-parses the identical + // wrapper, so under one Node version this throw is unreachable in + // production — the session still maps it to an error result defensively. + // lineOffset compensates for the wrapper line, so stack traces carry the + // script's own line numbers. + try { + this.compiled = new vm.Script(`(async () => {\n${body}\n})()`, { + filename: `workflow:${meta.name}`, + lineOffset: -1, + }) + } catch (error: unknown) { + throw new WorkflowError(`workflow script does not parse: ${String(error)}`, 'SCRIPT_PARSE', { cause: error }) + } + + this.context = vm.createContext({}, { name: `workflow:${meta.name}` }) + + const globals: Record<string, unknown> = { + agent: (prompt: unknown, opts?: unknown) => this.contain(this.agent(prompt, opts)), + parallel: (thunks: unknown) => this.contain(this.parallel(thunks)), + pipeline: (items: unknown, ...stages: unknown[]) => this.contain(this.pipeline(items, stages)), + phase: (title: unknown) => { this.phase(title) }, + log: (message: unknown) => { this.log(message) }, + // Cloned once: a script scribbling on args must not mutate the + // session's init object (a benign-bug guard; args is plain JSON by the + // seam contract and already crossed one structured clone as workerData, + // so this clone is total). + args: args === undefined ? undefined : structuredClone(args), + } + for (const [key, value] of Object.entries(globals)) { + // Data properties on the contextified global; frozen shape not required — + // a script overwriting its own hooks only sabotages itself. + ;(this.context as Record<string, unknown>)[key] = typeof value === 'function' ? Object.freeze(value) : value + } + } + + /** + * Whether the run has been cancelled. A METHOD, not an inline property + * read: `cancel()` mutates `cancelReason` concurrently (the session's + * message handler), and an inline read after an `await` gets narrowed by + * control flow into an always-false comparison. + */ + private isCancelled(): boolean { + return this.cancelReason !== undefined + } + + /** + * Shared hook entry guard: after {@link cancel}, EVERY hook throws + * `CANCELLED` at its next call — cancellation is the next HOOK boundary, + * not just the next `agent()`, so a script that caught one cancelled + * rejection cannot keep emitting progress through `phase`/`log` or enter a + * combinator. + */ + private throwIfCancelled(): void { + if (this.isCancelled()) throw this.cancelledError() + } + + /** + * Cancel the run: in-flight children get a cancel RPC (the shared abort + * fanout), waiting `agent()` slots reject, and every future hook call + * throws `CANCELLED` — the script dies at its next await. A script that + * never settles anyway (parked on a promise no hook owns) is the HOST's + * problem: its grace timer force-settles the run and terminates the + * worker. Idempotent; the first reason wins. + * @param reason - human-readable cause, carried on the CANCELLED error and + * into child cancel RPCs. Required: every caller (the session's cancel + * message, drive()'s settle-reap) has a concrete reason. + */ + cancel(reason: string): void { + if (this.cancelReason !== undefined) return + this.cancelReason = reason + this.cancelError = new WorkflowError(`workflow run cancelled: ${this.cancelReason}`, 'CANCELLED') + this.controller.abort(this.cancelReason) + for (const waiter of this.slotWaiters.splice(0)) waiter.reject(this.cancelledError()) + } + + /** + * Run the script to settlement. Resolves — never rejects — with the run's + * {@link WorkflowResult}: the materialized return value on `completed`, the + * failure message on `error`, and `cancelled` when the script died of + * cancellation. After settlement, any stray children a script fired without + * awaiting are cancelled (their `agent()` wrappers dispose them via RPC). + * @returns the settled outcome — this promise NEVER rejects (the seam's + * `result`-never-rejects contract); every failure maps to a variant. + */ + async drive(): Promise<WorkflowResult> { + try { + // Cancelled before the body ever ran (an already-aborted start signal, + // relayed by the host before its `go`): the script must not execute at + // all, let alone report `completed`. + if (this.isCancelled()) throw this.cancelledError() + const scriptPromise = this.compiled.runInContext(this.context, { timeout: this.limits.syncTimeoutMs }) as Promise<unknown> + const raw: unknown = await this.contain(Promise.resolve(scriptPromise)) + // Cancelled while the body ran: a script that settled without touching + // another hook (or without any) must still report `cancelled` — the + // holder asked for cancellation and `completed` would be a lie. + if (this.isCancelled()) throw this.cancelledError() + const value = raw === undefined ? null : this.materializeResult(raw) + return { value, stopReason: 'completed', agentsStarted: this.started } + } catch (error: unknown) { + // Any failure after cancel() reports `cancelled` with the canonical + // reason — the reject path mirrors the resolve path's post-settle check. + if (this.isCancelled()) { + return { value: null, stopReason: 'cancelled', error: this.cancelledError().message, agentsStarted: this.started } + } + // renderThrown is total (thrown values of any realm), so this arm + // cannot throw — drive() resolving is the `result` never-rejects seam + // contract. + return { value: null, stopReason: 'error', error: renderThrown(error), agentsStarted: this.started } + } finally { + // Reap strays: a script that fired agent() calls without awaiting them + // leaves live children behind after settlement — cancel them all. (The + // per-call wrappers dispose each child; the contain() consumer keeps + // their rejections from going unhandled.) + if (this.cancelReason === undefined) this.cancel('workflow settled') + } + } + + /** + * Attach a no-op rejection consumer WITHOUT changing what the caller + * receives: if the script drops the promise (no await), cancellation cannot + * become an unhandled rejection (which would kill the worker thread); if + * the script does await it, it still observes the rejection. + */ + private contain<T>(promise: Promise<T>): Promise<T> { + promise.catch(() => { /* consumed: see method contract — a dropped hook promise must not surface an unhandled rejection */ }) + return promise + } + + private cancelledError(): WorkflowError { + // cancel() arms cancelError before any caller can observe isCancelled() + // === true; the fallback guards the type, not a reachable path. + /* v8 ignore next */ + return this.cancelError ?? new WorkflowError('workflow run cancelled', 'CANCELLED') + } + + /** Materialize the script's return value; violations become RESULT_UNSERIALIZABLE. */ + private materializeResult(raw: unknown): unknown { + try { + return materializeFromRealm(raw, 'workflow result') + } catch (error: unknown) { + /* v8 ignore next -- defensive rethrow arm: materializeFromRealm only throws MaterializeError */ + if (!(error instanceof MaterializeError)) throw error + throw new WorkflowError( + `the workflow's return value is not plain JSON data — ${error.message}. Return only JSON-serializable objects/arrays/scalars.`, + 'RESULT_UNSERIALIZABLE', + { cause: error }, + ) + } + } + + /** + * Acquire one concurrency slot (FIFO). Cancellation rejects QUEUED waiters + * (see {@link cancel}); the callers guard their own entry and post-acquire + * windows, so no cancelled-precheck is duplicated here. + */ + private acquireSlot(): Promise<void> { + if (this.activeSlots < this.limits.maxConcurrentAgents) { + this.activeSlots += 1 + return Promise.resolve() + } + return new Promise<void>((resolve, reject) => { + this.slotWaiters.push({ + resolve: () => { + this.activeSlots += 1 + resolve() + }, + reject, + }) + }) + } + + private releaseSlot(): void { + this.activeSlots -= 1 + const next = this.slotWaiters.shift() + if (next) next.resolve() + } + + /** The `agent(prompt, opts)` hook. */ + private async agent(rawPrompt: unknown, rawOpts: unknown): Promise<unknown> { + this.throwIfCancelled() + if (typeof rawPrompt !== 'string' || rawPrompt.length === 0) { + throw new WorkflowError('agent() requires a non-empty prompt string', 'INVALID_ARGUMENT') + } + const opts = this.readAgentOptions(rawOpts) + if (this.started >= this.limits.maxTotalAgents) { + throw new WorkflowError( + `this run reached its total agent cap (${this.limits.maxTotalAgents}) — a runaway-loop backstop; raise maxTotalAgents in the engine config if the scale is intentional`, + 'AGENT_CAP', + ) + } + this.started += 1 + const seq = this.started + const label = opts.label ?? defaultLabel(rawPrompt) + const phase = opts.phase ?? this.currentPhase + + await this.acquireSlot() + try { + // Re-check after the acquire: the await yields at least one microtask + // tick even when a slot is free, and a queued waiter resumes a tick + // after its release — a cancel() landing in either window must not + // reach the host (which would refuse anyway, but the refusal reads as + // a start failure rather than the cancellation it is). + this.throwIfCancelled() + let run: ChildHandle + try { + run = await this.children.startAgent({ + prompt: rawPrompt, + ...opts.schema !== undefined ? { schema: opts.schema } : {}, + ...opts.model !== undefined ? { model: opts.model } : {}, + }) + } catch (error: unknown) { + // The host refuses starts once the run is cancelled — a refusal that + // races our own cancel state must read as the cancellation it is, + // not as a broken seam. + if (this.isCancelled()) throw this.cancelledError() + throw new WorkflowError(`agent() could not start a child: ${renderThrown(error)}`, 'AGENT_START', { cause: error }) + } + // The start round-trip yields to the event loop, so a cancel CAN land + // between the host starting the child and this continuation running — + // wind the fresh child down instead of leaving it live behind a dead + // script. + if (this.isCancelled()) { + run.cancel(this.cancelReason) + await run.dispose() + throw this.cancelledError() + } + const info: WorkflowAgentInfo = { seq, label, ...phase !== undefined ? { phase } : {}, childId: AgentId(run.id) } + this.observer.agentStart(info) + // Cancellation reaches the child through an explicit cancel RPC per + // child (the host also aborts its own per-run signal, but the seam + // leaves a provider free to honor either channel, so both are driven). + const onAbort = (): void => { run.cancel(this.cancelReason) } + this.controller.signal.addEventListener('abort', onAbort, { once: true }) + try { + let result + try { + result = await run.result + } catch (error: unknown) { + // A rejected child result is an INFRASTRUCTURE fault relayed by the + // host — distinct from a child that failed and resolved. Pair the + // lifecycle before propagating, and propagate FATAL: an ordinary + // throw would dissolve to a per-item null inside the combinators, + // and a broken provider must not read as a failed child. + if (this.isCancelled()) { + this.observer.agentEnd({ ...info, outcome: 'cancelled' }) + throw this.cancelledError() + } + this.observer.agentEnd({ ...info, outcome: 'failed' }) + throw new WorkflowError(`child agent run failed: ${renderThrown(error)}`, 'AGENT_RESULT', { cause: error }) + } + if (result.stopReason === 'completed') { + if (opts.schema !== undefined) { + // The provider honored outputSchema (capability-gated at start), so + // a completed run without a structured value is a child failure. + if (result.structured === undefined) { + this.observer.agentEnd({ ...info, outcome: 'failed' }) + return null + } + this.observer.agentEnd({ ...info, outcome: 'completed' }) + return result.structured + } + this.observer.agentEnd({ ...info, outcome: 'completed' }) + return outputText(result.output) + } + // A cancelled RUN kills the script; a child that failed for its own + // reasons resolves null (scripts .filter(Boolean) per the CC contract). + if (this.isCancelled()) { + this.observer.agentEnd({ ...info, outcome: 'cancelled' }) + throw this.cancelledError() + } + this.observer.agentEnd({ ...info, outcome: 'failed' }) + return null + } finally { + this.controller.signal.removeEventListener('abort', onAbort) + await run.dispose() + } + } finally { + this.releaseSlot() + } + } + + /** Materialize + validate the `agent()` options bag from the realm. */ + private readAgentOptions(rawOpts: unknown): { label?: string; phase?: string; model?: string; schema?: StructuredOutputSchema } { + if (rawOpts === undefined) return {} + let opts: unknown + try { + opts = materializeFromRealm(rawOpts, 'agent() options') + } catch (error: unknown) { + /* v8 ignore next -- defensive rethrow arm: materializeFromRealm only throws MaterializeError */ + if (!(error instanceof MaterializeError)) throw error + throw new WorkflowError(`agent() options must be plain JSON data — ${error.message}`, 'INVALID_ARGUMENT', { cause: error }) + } + if (typeof opts !== 'object' || opts === null || Array.isArray(opts)) { + throw new WorkflowError('agent() options must be an object', 'INVALID_ARGUMENT') + } + const record = opts as Record<string, unknown> + for (const key of Object.keys(record)) { + if (SUPPORTED_AGENT_OPTIONS.has(key)) continue + if (DEFERRED_AGENT_OPTIONS.has(key)) { + throw new WorkflowError(`agent() option "${key}" is deferred and not supported by this engine (supported: label, phase, schema, model)`, 'UNSUPPORTED_OPTION') + } + throw new WorkflowError(`agent() option "${key}" is not recognized (supported: label, phase, schema, model)`, 'UNSUPPORTED_OPTION') + } + for (const key of ['label', 'phase', 'model'] as const) { + if (record[key] !== undefined && typeof record[key] !== 'string') { + throw new WorkflowError(`agent() option "${key}" must be a string`, 'INVALID_ARGUMENT') + } + } + let schema: StructuredOutputSchema | undefined + if (record.schema !== undefined) { + try { + assertSupportedOutputSchema(record.schema) + schema = record.schema + } catch (error: unknown) { + /* v8 ignore next -- defensive rethrow arm: assertSupportedOutputSchema only throws OutputSchemaError */ + if (!(error instanceof OutputSchemaError)) throw error + throw new WorkflowError(`agent() schema is outside the supported subset — ${error.message}`, 'UNSUPPORTED_SCHEMA', { cause: error }) + } + } + return { + ...record.label !== undefined ? { label: record.label as string } : {}, + ...record.phase !== undefined ? { phase: record.phase as string } : {}, + ...record.model !== undefined ? { model: record.model as string } : {}, + ...schema !== undefined ? { schema } : {}, + } + } + + /** The `parallel(thunks)` hook: each thunk caught → `null`; fatal errors propagate. */ + private async parallel(rawThunks: unknown): Promise<unknown[]> { + this.throwIfCancelled() + if (!Array.isArray(rawThunks)) { + throw new WorkflowError('parallel() requires an array of zero-argument functions', 'INVALID_ARGUMENT') + } + this.assertItemCap(rawThunks.length, 'parallel()') + const thunks = rawThunks.map((thunk, index) => { + if (typeof thunk !== 'function') { + throw new WorkflowError(`parallel() item ${index} is not a function`, 'INVALID_ARGUMENT') + } + return thunk as () => unknown + }) + return Promise.all(thunks.map(async (thunk) => { + try { + return await thunk() + } catch (error: unknown) { + // Hook failures are WorkflowErrors built OUTSIDE the script's realm; + // fatality is recognized by `instanceof` against this realm's class — + // a script-built object can never pass it, so fatality cannot be + // forged (nor accidentally dissolved). + if (isFatalWorkflowError(error)) throw error + return null + } + })) + } + + /** The `pipeline(items, ...stages)` hook: per-item stage chains, NO cross-stage barrier. */ + private async pipeline(rawItems: unknown, rawStages: unknown[]): Promise<unknown[]> { + this.throwIfCancelled() + if (!Array.isArray(rawItems)) { + throw new WorkflowError('pipeline() requires an items array', 'INVALID_ARGUMENT') + } + this.assertItemCap(rawItems.length, 'pipeline()') + if (rawStages.length === 0) { + throw new WorkflowError('pipeline() requires at least one stage function', 'INVALID_ARGUMENT') + } + const stages = rawStages.map((stage, index) => { + if (typeof stage !== 'function') { + throw new WorkflowError(`pipeline() stage ${index} is not a function`, 'INVALID_ARGUMENT') + } + return stage as (previous: unknown, item: unknown, index: number) => unknown + }) + return Promise.all(rawItems.map(async (item: unknown, index) => { + let value: unknown = item + try { + for (const stage of stages) { + value = await stage(value, item, index) + } + return value + } catch (error: unknown) { + // An ordinary stage throw drops the ITEM to null and skips its + // remaining stages; a fatal WorkflowError (see parallel()) kills the + // whole script. + if (isFatalWorkflowError(error)) throw error + return null + } + })) + } + + private assertItemCap(length: number, hook: string): void { + if (length > this.limits.maxItemsPerCall) { + throw new WorkflowError( + `${hook} received ${length} items — over the per-call cap (${this.limits.maxItemsPerCall}); split the work or raise maxItemsPerCall in the engine config`, + 'ITEM_CAP', + ) + } + } + + /** The `phase(title)` hook: sets the current label for subsequent `agent()` calls and notifies observers. */ + private phase(title: unknown): void { + this.throwIfCancelled() + if (typeof title !== 'string' || title.length === 0) { + throw new WorkflowError('phase() requires a non-empty title string', 'INVALID_ARGUMENT') + } + this.currentPhase = title + this.observer.phase(title) + } + + /** The `log(message)` hook: narration to observers. */ + private log(message: unknown): void { + this.throwIfCancelled() + if (typeof message !== 'string') { + throw new WorkflowError('log() requires a message string', 'INVALID_ARGUMENT') + } + this.observer.log(message) + } +} diff --git a/packages/workflow/workflow-workerthread/src/session.ts b/packages/workflow/workflow-workerthread/src/session.ts new file mode 100644 index 0000000000..718b8ac54d --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/session.ts @@ -0,0 +1,210 @@ +/** + * The worker-side half of the engine: {@link runWorkerSession} wires one + * MessagePort to one {@link WorkflowExecution} — hook progress and child + * starts go out as messages, run control and child lifecycle come back in — + * and posts the run's terminal result exactly once. Deliberately separated + * from the thread bootstrap (./worker.ts): the whole session is drivable + * in-process over a `MessageChannel`, which is where its unit coverage lives + * (code inside a real Worker is invisible to the main process's coverage). + * + * Startup handshake: the session posts `ready` and runs the script only + * after the host's `go` — without it, a cancellation racing the worker's + * boot could arrive AFTER the script's initial synchronous slice already + * ran, and a run cancelled before start must not execute the body at all. + * A `cancel` arriving instead of `go` still releases the gate: `drive()` + * sees the cancelled state and settles without running the body. + * + * @module @deepseek-ai/dsh-workflow-workerthread/session + */ + +import type { MessagePort } from 'node:worker_threads' +import { assertNever } from '@deepseek-ai/dsh-llm' +import { HostToWorkerType, WorkerToHostType } from './protocol.ts' +import type { HostToWorkerMessage, WorkerToHostPayloads } from './protocol.ts' +import { renderThrown } from './realm.ts' +import { WorkflowExecution } from './runtime.ts' +import type { ExecutionObserver } from './runtime.ts' +import type { + ChildHandle, + ChildPort, + ChildResult, + ChildStartRequest, + WorkerInit, +} from './types.ts' + +/** The book-keeping for one in-flight child RPC (keyed by callId). */ +interface PendingChild { + started: PromiseWithResolvers<string> + settled: PromiseWithResolvers<ChildResult> + disposed: PromiseWithResolvers<void> +} + +/** The typed post half of the port: each tag pairs with ITS payload from the map (a mismatch is a compile error at the call site). */ +type Post = <T extends WorkerToHostType>(type: T, payload: WorkerToHostPayloads[T]) => void + +/** + * The worker-side handle for one started child agent ({@link ChildHandle}): + * every member is an RPC to the host keyed by this call's `callId`, resolved + * by the session's message handler through the bridge's pending entry. + */ +class RpcChildHandle implements ChildHandle { + readonly result: Promise<ChildResult> + + constructor( + private readonly post: Post, + private readonly callId: number, + private readonly entry: PendingChild, + readonly id: string, + ) { + this.result = entry.settled.promise + } + + cancel(reason?: string): void { + this.post(WorkerToHostType.ChildCancel, { callId: this.callId, reason }) + } + + dispose(): Promise<void> { + this.post(WorkerToHostType.ChildDispose, { callId: this.callId }) + return this.entry.disposed.promise + } +} + +/** + * The worker-side child-RPC bridge ({@link ChildPort}): allocates callIds, + * posts the start/cancel/dispose RPCs, and owns the per-call pending + * book-keeping the session's message handler settles via the `onChild*` + * entry points. + */ +class ChildRpcBridge implements ChildPort { + private nextCallId = 0 + private readonly pending = new Map<number, PendingChild>() + + constructor(private readonly post: Post) {} + + async startAgent(request: ChildStartRequest): Promise<ChildHandle> { + this.nextCallId += 1 + const callId = this.nextCallId + const entry: PendingChild = { + started: Promise.withResolvers<string>(), + settled: Promise.withResolvers<ChildResult>(), + disposed: Promise.withResolvers<void>(), + } + // Containment: when the start is refused (or the run torn down) the + // settled promise may never gain a consumer — it must not surface as an + // unhandled rejection and kill the worker. + entry.settled.promise.catch(() => { /* consumed: unconsumed child settlement after a refused start */ }) + this.pending.set(callId, entry) + this.post(WorkerToHostType.ChildStart, { callId, request }) + const childId = await entry.started.promise + return new RpcChildHandle(this.post, callId, entry, childId) + } + + /** The host started the child; releases the `startAgent` await. */ + onChildStarted(callId: number, childId: string): void { + this.pending.get(callId)?.started.resolve(childId) + } + + /** The host refused the start; `startAgent` rejects with the rendered cause. */ + onChildStartError(callId: number, rendered: string): void { + this.pending.get(callId)?.started.reject(new Error(rendered)) + } + + /** The child's terminal result arrived. */ + onChildSettled(callId: number, result: ChildResult): void { + this.pending.get(callId)?.settled.resolve(result) + } + + /** The child's `result` rejected host-side (an infrastructure fault, relayed as fatal). */ + onChildFailed(callId: number, rendered: string): void { + this.pending.get(callId)?.settled.reject(new Error(rendered)) + } + + /** The host acked the dispose; the call's book-keeping is complete. */ + onChildDisposed(callId: number): void { + const entry = this.pending.get(callId) + this.pending.delete(callId) + entry?.disposed.resolve() + } +} + +/** + * Narrow the nullable `parentPort` the bootstrap reads from + * `node:worker_threads`. + * @param port - `parentPort` as imported (null on the main thread). + * @returns the port, non-null. + */ +export function requireParentPort(port: MessagePort | null): MessagePort { + if (port === null) throw new Error('the workflow worker entry must be loaded inside a worker thread (no parentPort)') + return port +} + +/** + * Run one workflow script to settlement against `port`, posting the terminal + * result message exactly once; resolves after that post (stray children may + * still be winding down through the port — the host owns their teardown and + * ultimately terminates the thread). Never rejects: a constructor failure + * (unparseable body — host pre-parse makes this a Node-version-skew signal) + * is reported as an `error` result rather than dying without a result. + * @param port - the channel to the host (the real `parentPort`, or one side + * of an in-process `MessageChannel` in tests). + * @param init - the run payload the host provided as `workerData`. + */ +export async function runWorkerSession(port: MessagePort, init: WorkerInit): Promise<void> { + const post: Post = (type, payload) => { + port.postMessage({ type, ...payload }) + } + const children = new ChildRpcBridge(post) + + const observer: ExecutionObserver = { + phase: (title) => { post(WorkerToHostType.Phase, { title }) }, + log: (message) => { post(WorkerToHostType.Log, { message }) }, + agentStart: (info) => { post(WorkerToHostType.AgentStart, { info }) }, + agentEnd: (info) => { post(WorkerToHostType.AgentEnd, { info }) }, + } + + let execution: WorkflowExecution + try { + execution = new WorkflowExecution(init.meta, init.body, init.args, init.limits, observer, children) + } catch (error: unknown) { + post(WorkerToHostType.Result, { result: { value: null, stopReason: 'error', error: renderThrown(error), agentsStarted: 0 } }) + return + } + + const gate = Promise.withResolvers<void>() + port.on('message', (message: HostToWorkerMessage) => { + switch (message.type) { + case HostToWorkerType.Go: + gate.resolve() + break + case HostToWorkerType.Cancel: + execution.cancel(message.reason) + // A cancel doubles as the gate release: drive() checks the cancelled + // state before running the body, so the script never executes. + gate.resolve() + break + case HostToWorkerType.ChildStarted: + children.onChildStarted(message.callId, message.childId) + break + case HostToWorkerType.ChildStartError: + children.onChildStartError(message.callId, message.rendered) + break + case HostToWorkerType.ChildSettled: + children.onChildSettled(message.callId, message.result) + break + case HostToWorkerType.ChildFailed: + children.onChildFailed(message.callId, message.rendered) + break + case HostToWorkerType.ChildDisposed: + children.onChildDisposed(message.callId) + break + /* v8 ignore next 2 -- closed engine-owned union; the arm only makes adding a message type a compile error */ + default: + assertNever(message, 'host-to-worker message') + } + }) + + post(WorkerToHostType.Ready, {}) + await gate.promise + const result = await execution.drive() + post(WorkerToHostType.Result, { result }) +} diff --git a/packages/workflow/workflow-workerthread/src/types.ts b/packages/workflow/workflow-workerthread/src/types.ts new file mode 100644 index 0000000000..a80b126a2d --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/types.ts @@ -0,0 +1,97 @@ +/** + * Non-protocol wire vocabulary for the worker-thread engine: the `workerData` init + * payload and the child-port interfaces the worker-side runtime consumes. + * The host⇄worker MESSAGE protocol lives in ./protocol.ts; everything here + * that a message transports (`ChildStartRequest`, `ChildResult`) is plain + * JSON data by construction, so the structured-clone hop never meets a value + * it cannot carry. Types only, per the package convention. + * + * @module @deepseek-ai/dsh-workflow-workerthread/types + */ + +import type { ContentBlock } from '@deepseek-ai/dsh-llm' +import type { StructuredOutputSchema } from '@deepseek-ai/dsh-tools' +import type { WorkflowMeta } from '@deepseek-ai/dsh-workflow' + +/** + * The per-run limits the worker-side runtime enforces. The host keeps the + * knobs only it can act on (`provider`, `disposeGraceMs`). + */ +export interface WorkerLimits { + /** Concurrent `agent()` ceiling (already auto-resolved; ≥ 1). */ + maxConcurrentAgents: number + /** Total `agent()` calls per run (the runaway-loop backstop). */ + maxTotalAgents: number + /** Items accepted by one `parallel()`/`pipeline()` call. */ + maxItemsPerCall: number + /** vm timeout for the script's initial synchronous slice (inside the worker). */ + syncTimeoutMs: number +} + +/** The `workerData` payload one run is initialized with (host → worker, once, at spawn). */ +export interface WorkerInit { + /** The validated meta block (plain data off the start request, validated host-side). */ + meta: WorkflowMeta + /** The plain-JS script body, exactly as the start request carried it. */ + body: string + /** The run's `args` value; the workerData structured clone is the copy that isolates the caller. */ + args?: unknown + /** The worker-enforced limits. */ + limits: WorkerLimits +} + +/** What the worker asks the host to start for one `agent()` call (options already validated worker-side). */ +export interface ChildStartRequest { + /** The child's prompt text. */ + prompt: string + /** The structured-output schema, if the call passed one (already subset-checked). */ + schema?: StructuredOutputSchema + /** The per-child model override, if the call passed one. */ + model?: string +} + +/** + * The JSON projection of a child's `SubagentResult` crossing the port. The + * seam's `stopReason` union is merge-extensible, so it degrades to `string` + * on the wire — the runtime only ever branches on `'completed'`. + */ +export interface ChildResult { + /** The child's final assistant output blocks. */ + output: ContentBlock[] + /** The structured value, present iff the request carried a schema AND the provider honored it. */ + structured?: unknown + /** Why the child run ended (`'completed'` is the only value the runtime branches on). */ + stopReason: string +} + +/** + * The worker-side handle for one started child — the RPC mirror of the + * subagent seam's run handle, reduced to what the runtime consumes. + */ +export interface ChildHandle { + /** The child agent's id (minted host-side by the subagent seam). */ + readonly id: string + /** + * Resolves with the child's terminal {@link ChildResult}; REJECTS only when + * the host reports an infrastructure fault (`child-failed`) — a child that + * failed for its own reasons resolves with a non-`completed` stop reason. + */ + readonly result: Promise<ChildResult> + /** Ask the host to cancel the child (fire-and-forget). */ + cancel(reason?: string): void + /** Ask the host to dispose the child; resolves on the host's ack. */ + dispose(): Promise<void> +} + +/** + * The worker-side port the runtime starts child agents through — the seam + * that lets the execution core stay ignorant of the thread boundary. + */ +export interface ChildPort { + /** + * Start one child agent on the host (the `agent()` hook's start half). + * @param request - the prompt and validated options. + * @returns the child handle; rejects when the host refuses the start. + */ + startAgent(request: ChildStartRequest): Promise<ChildHandle> +} diff --git a/packages/workflow/workflow-workerthread/src/worker.ts b/packages/workflow/workflow-workerthread/src/worker.ts new file mode 100644 index 0000000000..f468ad9a53 --- /dev/null +++ b/packages/workflow/workflow-workerthread/src/worker.ts @@ -0,0 +1,18 @@ +/** + * The worker-thread entry the engine spawns: bootstrap ./session.ts on the + * real `parentPort`. Deliberately a single statement — every piece of logic + * lives in `runWorkerSession`, which the unit suite drives in-process over a + * `MessageChannel` (code inside a real Worker is invisible to main-process + * coverage); loading this module on the main thread throws via + * `requireParentPort`, which is how the suite covers the file itself. + * + * @module @deepseek-ai/dsh-workflow-workerthread/worker + */ + +import { parentPort, workerData } from 'node:worker_threads' +import { requireParentPort, runWorkerSession } from './session.ts' +import type { WorkerInit } from './types.ts' + +// workerData is `any` at the node:worker_threads boundary; the engine is the +// only spawner and always provides a WorkerInit. +void runWorkerSession(requireParentPort(parentPort), workerData as WorkerInit) diff --git a/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts b/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts new file mode 100644 index 0000000000..545be831f6 --- /dev/null +++ b/packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts @@ -0,0 +1,57 @@ +import { existsSync } from 'node:fs' +import { rm, writeFile } from 'node:fs/promises' +import { join } from 'node:path' +import { execFile } from 'node:child_process' +import { promisify } from 'node:util' +import { fileURLToPath } from 'node:url' +import { describe, expect, it } from 'vitest' + +const packageRoot = fileURLToPath(new URL('..', import.meta.url)) +const builtIndex = join(packageRoot, 'lib', 'index.js') +const builtWorker = join(packageRoot, 'lib', 'worker.js') +const run = promisify(execFile) + +/** + * The BUILT-output guard for the worker entry: every other suite runs + * unbuilt (src/ + tsx), so nothing else proves that `lib/index.js` resolves + * its sibling `lib/worker.js` and that the bundle boots a worker under plain + * node (no tsx loader). Keyless — a zero-agent script needs no provider — + * and self-skips until `pnpm run build` has produced the bundles. + */ +describe.skipIf(!existsSync(builtIndex) || !existsSync(builtWorker))('built worker entry (lib/worker.js)', () => { + it('the built engine spawns its built worker under plain node and completes a run', async () => { + // ESM resolves bare specifiers from the IMPORTING FILE's location, so the + // driver must live inside the package for its node_modules to apply — a + // temp-named file at the package root, removed on the way out. + const driver = join(packageRoot, `.built-worker-driver-${process.pid}.mjs`) + try { + await writeFile(driver, ` +import { Context } from 'cordis' +import SubagentService from '@deepseek-ai/dsh-subagent' +import WorkerWorkflowEngine from '@deepseek-ai/dsh-workflow-workerthread' + +const ctx = new Context() +await ctx.plugin(SubagentService) +await ctx.plugin(WorkerWorkflowEngine, {}) +const run = ctx.workflows.start({ + script: 'return 6 * 7', + meta: { name: 'built-smoke', description: 'built worker smoke' }, + // A zero-agent script never touches the provider, so a bare id suffices. + parent: { id: 'built-smoke-parent', options: {} }, +}) +const result = await run.result +await run.dispose() +if (result.stopReason !== 'completed' || result.value !== 42) { + console.error('unexpected result: ' + JSON.stringify(result)) + process.exit(1) +} +console.log('built-worker-smoke-ok') +`, 'utf8') + // Plain node — no tsx loader anywhere; the bundle must stand on its own. + const { stdout } = await run(process.execPath, [driver], { cwd: packageRoot, timeout: 60_000 }) + expect(stdout).toContain('built-worker-smoke-ok') + } finally { + await rm(driver, { force: true }) + } + }, 120_000) +}) diff --git a/packages/workflow/workflow-workerthread/tests/integration.spec.ts b/packages/workflow/workflow-workerthread/tests/integration.spec.ts new file mode 100644 index 0000000000..d6e8237804 --- /dev/null +++ b/packages/workflow/workflow-workerthread/tests/integration.spec.ts @@ -0,0 +1,91 @@ +import { describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop from '@deepseek-ai/dsh-agent-loop' +import * as Invariants from '@deepseek-ai/dsh-invariants' +import SubagentService from '@deepseek-ai/dsh-subagent' +import * as spawn from '@deepseek-ai/dsh-subagent-spawn' +import { STRUCTURED_OUTPUT_TOOL } from '@deepseek-ai/dsh-subagent-inprocess' +import { MockAdapter, textResponse, toolCallResponse } from '../../../core/agent-loop/tests/mock-adapter.ts' +import WorkerWorkflowEngine from '../src/index.ts' + +type Script = ConstructorParameters<typeof MockAdapter>[0] + +/** + * The whole in-process stack, keyless, with the script in a REAL worker + * thread: the engine drives the REAL spawn backend (with its + * structured runtime) on a real agent loop; the scripted mock MODEL is the + * only mocked boundary. This is the guard the unit suites structurally + * cannot give — the MessageChannel suite fakes the host, and the host suite + * stubs the subagent seam. + */ +async function setup(script: Script) { + const ctx = new Context() + const adapter = new MockAdapter(script) + await ctx.plugin(LlmService) + await ctx.plugin(SessionStore) + await ctx.plugin(SystemPrompt) + await ctx.plugin(ToolRegistry) + await ctx.plugin(AgentRegistry) + await ctx.plugin(Invariants) + await ctx.plugin(AgentLoop, { agents: [] }) + await ctx.plugin(SubagentService) + await ctx.plugin(spawn, { providerName: 'spawn' }) + await ctx.plugin(WorkerWorkflowEngine, {}) + ctx.llm.registerAdapter(['mock'], adapter) + const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' }) + return { ctx, parent, adapter } +} + +describe('dsh-workflow-workerthread over the real in-process stack', () => { + it('runs a two-stage workflow: a plain child, then a schema child through the structured runtime', async () => { + const { ctx, parent } = await setup([ + textResponse('the file list is a.ts'), + toolCallResponse('c1', STRUCTURED_OUTPUT_TOOL, { verdict: 'real', confidence: 0.9 }), + ]) + const childIds: string[] = [] + ctx.on('workflow/agent-start', (_info, agent) => { childIds.push(agent.childId) }) + const run = ctx.workflows.start({ + meta: { name: 'integration', description: 'plain + structured children' }, + script: `phase('Read') +const prose = await agent('read the repo') +phase('Judge') +const judged = await agent('judge: ' + prose, { + schema: { type: 'object', properties: { verdict: { type: 'string', enum: ['real', 'bogus'] }, confidence: { type: 'number' } }, required: ['verdict'] }, +}) +return { prose, verdict: judged.verdict, confidence: judged.confidence }`, + parent, + }) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ prose: 'the file list is a.ts', verdict: 'real', confidence: 0.9 }) + expect(result.agentsStarted).toBe(2) + await run.dispose() + // Both children were disposed to quiescence — no live child agents remain. + expect(childIds.length).toBe(2) + for (const childId of childIds) { + expect(ctx.agents.get(AgentId(childId))).toBeUndefined() + } + }) + + it('a child that fails against its schema (nudges exhausted) reaches the script as null', async () => { + const { ctx, parent } = await setup([ + textResponse('prose only'), + textResponse('still prose after the nudge'), + ]) + const run = ctx.workflows.start({ + meta: { name: 'null-path', description: 'schema failure maps to null' }, + script: `const judged = await agent('judge it', { schema: { type: 'object', properties: { v: { type: 'string' } } } }) +return { got: judged === null ? 'null' : 'value' }`, + parent, + }) + const result = await run.result + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ got: 'null' }) + await run.dispose() + }) +}) diff --git a/packages/workflow/workflow-workerthread/tests/meta.spec.ts b/packages/workflow/workflow-workerthread/tests/meta.spec.ts new file mode 100644 index 0000000000..37b86440be --- /dev/null +++ b/packages/workflow/workflow-workerthread/tests/meta.spec.ts @@ -0,0 +1,88 @@ +import { describe, expect, it } from 'vitest' +import { WorkflowError } from '@deepseek-ai/dsh-workflow' +import { validateMeta } from '../src/meta.ts' + +/** Assert a META_INVALID throw whose message matches every given fragment. */ +function expectInvalid(value: unknown, ...fragments: string[]): void { + let thrown: unknown + try { + validateMeta(value) + } catch (error: unknown) { + thrown = error + } + expect(thrown).toBeInstanceOf(WorkflowError) + expect((thrown as WorkflowError).code).toBe('META_INVALID') + for (const fragment of fragments) { + expect((thrown as WorkflowError).message).toContain(fragment) + } +} + +describe('validateMeta', () => { + it('accepts a minimal meta and returns a normalized copy (no aliasing of the input)', () => { + const input = { name: 'audit', description: 'audit the repo' } + const meta = validateMeta(input) + expect(meta).toEqual({ name: 'audit', description: 'audit the repo' }) + expect(meta).not.toBe(input) + input.name = 'mutated' + expect(meta.name).toBe('audit') + }) + + it('accepts the full shape and rebuilds phases entry by entry', () => { + const meta = validateMeta({ + name: 'migrate', + description: 'migrate call sites', + whenToUse: 'large mechanical sweeps', + phases: [ + { title: 'Discover' }, + { title: 'Transform', detail: 'one agent per file', model: 'deepseek-v4-pro' }, + ], + }) + expect(meta).toEqual({ + name: 'migrate', + description: 'migrate call sites', + whenToUse: 'large mechanical sweeps', + phases: [ + { title: 'Discover' }, + { title: 'Transform', detail: 'one agent per file', model: 'deepseek-v4-pro' }, + ], + }) + }) + + it('rejects non-object values loud', () => { + expectInvalid(undefined, 'meta must be an object') + expectInvalid('a string', 'meta must be an object') + expectInvalid(null, 'meta must be an object') + expectInvalid([{ name: 'x', description: 'd' }], 'meta must be an object') + }) + + it('rejects unknown fields by name (accepted-then-ignored is banned)', () => { + expectInvalid({ name: 'x', description: 'd', color: 'red' }, 'meta.color is not a recognized field') + }) + + it('rejects missing or mistyped name/description/whenToUse', () => { + expectInvalid({ description: 'd' }, 'meta.name must be a non-empty string') + expectInvalid({ name: '', description: 'd' }, 'meta.name must be a non-empty string') + expectInvalid({ name: 'x' }, 'meta.description must be a non-empty string') + expectInvalid({ name: 'x', description: 42 }, 'meta.description must be a non-empty string') + expectInvalid({ name: 'x', description: 'd', whenToUse: 3 }, 'meta.whenToUse must be a string') + }) + + it('rejects malformed phases, entry by entry', () => { + expectInvalid({ name: 'x', description: 'd', phases: 'Scan' }, 'meta.phases must be an array') + expectInvalid({ name: 'x', description: 'd', phases: ['Scan'] }, 'meta.phases[0] must be an object') + expectInvalid({ name: 'x', description: 'd', phases: [{ title: '' }] }, 'meta.phases[0].title must be a non-empty string') + expectInvalid({ name: 'x', description: 'd', phases: [{ title: 'Scan', order: 1 }] }, 'meta.phases[0].order is not a recognized field') + expectInvalid({ name: 'x', description: 'd', phases: [{ title: 'Scan', detail: 9 }] }, 'meta.phases[0].detail must be a string') + expectInvalid({ name: 'x', description: 'd', phases: [{ title: 'Scan', model: 9 }] }, 'meta.phases[0].model must be a string') + }) + + it('names EVERY violation in one throw, not just the first', () => { + expectInvalid( + { description: 7, extra: true, phases: [{ title: 'Scan' }, 'bad'] }, + 'meta.extra is not a recognized field', + 'meta.name must be a non-empty string', + 'meta.description must be a non-empty string', + 'meta.phases[1] must be an object', + ) + }) +}) diff --git a/packages/workflow/workflow-workerthread/tests/realm.spec.ts b/packages/workflow/workflow-workerthread/tests/realm.spec.ts new file mode 100644 index 0000000000..769a19aa71 --- /dev/null +++ b/packages/workflow/workflow-workerthread/tests/realm.spec.ts @@ -0,0 +1,145 @@ +import { describe, expect, it } from 'vitest' +import * as vm from 'node:vm' +import { materializeFromRealm, MaterializeError, renderThrown } from '../src/realm.ts' + +/** Evaluate an expression inside a fresh vm realm and hand back the raw realm value. */ +function inRealm(expression: string): unknown { + return vm.runInNewContext(`(${expression})`) +} + +/** The MaterializeError message for a value that must be rejected (throws if accepted). */ +function rejection(value: unknown): string { + try { + materializeFromRealm(value) + } catch (error: unknown) { + if (error instanceof MaterializeError) return error.message + throw error + } + throw new Error('expected the value to be rejected') +} + +describe('materializeFromRealm', () => { + it('copies realm objects/arrays/scalars into host plain data', () => { + const value = inRealm("{ a: 1, b: 'x', c: true, d: null, list: [1, [2, { deep: 'y' }]] }") + const out = materializeFromRealm(value) as Record<string, unknown> + expect(out).toEqual({ a: 1, b: 'x', c: true, d: null, list: [1, [2, { deep: 'y' }]] }) + // The copy is HOST data: prototypes are the host intrinsics. + expect(Object.getPrototypeOf(out)).toBe(Object.prototype) + expect(Array.isArray(out.list)).toBe(true) + // And it round-trips through JSON byte-identically (the whole point). + expect(JSON.parse(JSON.stringify(out))).toEqual(out) + }) + + it('accepts undefined ONLY at the root (a valueless script return)', () => { + expect(materializeFromRealm(undefined)).toBeUndefined() + expect(rejection(inRealm('{ a: undefined }'))).toContain('value.a') + }) + + it('invokes getters ordinarily — the getter RESULT is what crosses (trust premise)', () => { + const counter = inRealm(` + (() => { + globalThis.reads = 0 + return { get x() { globalThis.reads += 1; return globalThis.reads } } + })() + `) + expect(materializeFromRealm(counter)).toEqual({ x: 1 }) + }) + + it('a getter that THROWS surfaces as a MaterializeError carrying the rendered failure', () => { + const hostile = inRealm("{ get x() { throw new Error('read failed') } }") + const message = rejection(hostile) + expect(message).toContain('reading the value threw') + expect(message).toContain('read failed') + }) + + it('a "__proto__" key becomes an OWN data property of the copy, never a prototype mutation', () => { + const value: unknown = vm.runInNewContext('JSON.parse(\'{"__proto__": {"polluted": 1}, "ok": 2}\')') + const out = materializeFromRealm(value) as Record<string, unknown> + expect(Object.getPrototypeOf(out)).toBe(Object.prototype) + expect(Object.prototype.hasOwnProperty.call(out, '__proto__')).toBe(true) + expect(out.ok).toBe(2) + // The host Object.prototype was NOT touched. + expect(({} as Record<string, unknown>).polluted).toBeUndefined() + }) + + it('rejects functions, symbols (keys and values), and bigints with path-qualified messages', () => { + expect(rejection(inRealm('{ fn: () => 1 }'))).toContain('value.fn') + expect(rejection(inRealm("{ [Symbol('k')]: 1 }"))).toContain('symbol-keyed') + expect(rejection(inRealm("{ s: Symbol('v') }"))).toContain('value.s') + expect(rejection(inRealm('{ big: 1n }'))).toContain('value.big') + expect(rejection(inRealm("[Symbol('x')]"))).toContain('value[0]') + const taggedArray = inRealm("(() => { const a = [1]; a[Symbol('t')] = 1; return a })()") + expect(rejection(taggedArray)).toContain('symbol-keyed') + }) + + it('rejects non-finite numbers and undefined values inside containers', () => { + expect(rejection(inRealm('{ n: NaN }'))).toContain('non-finite') + expect(rejection(inRealm('[Infinity]'))).toContain('non-finite') + }) + + it('rejects exotic prototypes (Date, Map, class instances) but accepts null-prototype data', () => { + expect(rejection(inRealm('{ d: new Date(0) }'))).toContain('exotic prototype') + expect(rejection(inRealm('new Map()'))).toContain('exotic prototype') + expect(rejection(inRealm('(() => { class C { constructor() { this.x = 1 } } return new C() })()'))) + .toContain('exotic prototype') + expect(materializeFromRealm(inRealm('Object.assign(Object.create(null), { a: 1 })'))).toEqual({ a: 1 }) + }) + + it('rejects cycles and accepts the same object reused as a sibling (a DAG)', () => { + expect(rejection(inRealm('(() => { const o = {}; o.self = o; return o })()'))).toContain('circular') + const dag = inRealm('(() => { const leaf = { v: 1 }; return { a: leaf, b: leaf } })()') + expect(materializeFromRealm(dag)).toEqual({ a: { v: 1 }, b: { v: 1 } }) + }) + + it('rejects sparse arrays and non-index array properties; an array getter element materializes its value', () => { + expect(rejection(inRealm('[1, , 3]'))).toContain('sparse') + expect(rejection(inRealm('(() => { const a = [1]; a.total = 3; return a })()'))) + .toContain('non-index') + expect(materializeFromRealm(inRealm('(() => { const a = [1]; Object.defineProperty(a, 0, { get: () => 7, enumerable: true }); return a })()'))) + .toEqual([7]) + }) + + it('skips non-enumerable own properties (matching JSON.stringify exactly)', () => { + const value = inRealm(`(() => { + const o = { visible: 1 } + Object.defineProperty(o, 'hidden', { value: () => 1, enumerable: false }) + return o + })()`) + expect(materializeFromRealm(value)).toEqual({ visible: 1 }) + }) + + it('works on plain host values too (the boundary is realm-agnostic)', () => { + expect(materializeFromRealm({ a: [1, 'x'] })).toEqual({ a: [1, 'x'] }) + expect(materializeFromRealm('str')).toBe('str') + expect(materializeFromRealm(3)).toBe(3) + expect(materializeFromRealm(false)).toBe(false) + expect(materializeFromRealm(null)).toBeNull() + }) +}) + +describe('renderThrown', () => { + it('prefers the stack, for host and realm errors alike', () => { + const host = renderThrown(new Error('host failure')) + expect(host).toContain('host failure') + expect(host).toContain('at ') // a real stack, not just the message + const realmError: unknown = vm.runInNewContext('(() => { try { throw new Error("realm failure") } catch (e) { return e } })()') + expect(renderThrown(realmError)).toContain('realm failure') + }) + + it('falls back from stack to message to String()', () => { + expect(renderThrown({ stack: 'custom data stack' })).toBe('custom data stack') + const stackless = new Error('stackless failure') + delete stackless.stack + expect(renderThrown(stackless)).toBe('stackless failure') + expect(renderThrown({ code: 42 })).toBe('[object Object]') + expect(renderThrown('plain')).toBe('plain') + expect(renderThrown(42)).toBe('42') + expect(renderThrown(undefined)).toBe('undefined') + expect(renderThrown(null)).toBe('null') + }) + + it('is total: a value whose accessors/toString throw renders as a fixed label', () => { + expect(renderThrown({ get stack() { throw new Error('nope') } })).toBe('[unrenderable thrown value]') + expect(renderThrown({ [Symbol.toPrimitive]() { throw new Error('nope') } })).toBe('[unrenderable thrown value]') + }) +}) diff --git a/packages/workflow/workflow-workerthread/tests/session.spec.ts b/packages/workflow/workflow-workerthread/tests/session.spec.ts new file mode 100644 index 0000000000..00051ad56a --- /dev/null +++ b/packages/workflow/workflow-workerthread/tests/session.spec.ts @@ -0,0 +1,504 @@ +import { describe, expect, it, vi } from 'vitest' +import { MessageChannel } from 'node:worker_threads' +import type { MessagePort } from 'node:worker_threads' +import { HostToWorkerType, WorkerToHostType } from '../src/protocol.ts' +import type { HostToWorkerMessage, WorkerToHostMessage } from '../src/protocol.ts' +import { requireParentPort, runWorkerSession } from '../src/session.ts' +import type { ChildResult, WorkerInit } from '../src/types.ts' + +/** Default limits for in-process sessions (concurrency pinned; auto is machine-derived). */ +function limits(overrides?: Partial<WorkerInit['limits']>): WorkerInit['limits'] { + return { maxConcurrentAgents: 8, maxTotalAgents: 1000, maxItemsPerCall: 4096, syncTimeoutMs: 5000, ...overrides } +} + +/** Wrap a body in the minimal valid meta header (the session receives it pre-extracted). */ +function init(body: string, args?: unknown, limitOverrides?: Partial<WorkerInit['limits']>): WorkerInit { + return { + meta: { name: 'test-flow', description: 'a test workflow' }, + body, + ...args !== undefined ? { args } : {}, + limits: limits(limitOverrides), + } +} + +/** One scripted host over the other end of a MessageChannel. */ +interface FakeHost { + port: MessagePort + messages: WorkerToHostMessage[] + /** Messages of one type, as they arrive. */ + ofType<T extends WorkerToHostMessage['type']>(type: T): Extract<WorkerToHostMessage, { type: T }>[] + send(message: HostToWorkerMessage): void + /** Resolves with the terminal result message. */ + result(): Promise<Extract<WorkerToHostMessage, { type: 'result' }>['result']> + close(): void +} + +interface FakeHostOptions { + /** Auto-respond to child-start: reply started + settled per child index. Omit a reply to leave the child pending. */ + reply?: (request: { prompt: string; schema?: unknown; model?: string }, index: number) => ChildResult | undefined + /** Reject the start instead (child-start-error) when returning a string. */ + refuse?: (index: number) => string | undefined + /** Auto-send `go` on `ready` (default true). */ + go?: boolean + /** Manual mode: do NOT auto-answer child-start at all (the test scripts the replies). */ + manual?: boolean +} + +/** + * Drive runWorkerSession IN-PROCESS over a MessageChannel: this is where the + * worker-side files earn their coverage — code inside a real Worker is + * invisible to main-process coverage. The fake host mirrors the real host's + * protocol discipline (one started/start-error per start; settled/disposed + * follow). + */ +function fakeHost(options?: FakeHostOptions): FakeHost { + const channel = new MessageChannel() + const messages: WorkerToHostMessage[] = [] + const resultGate = Promise.withResolvers<Extract<WorkerToHostMessage, { type: 'result' }>['result']>() + let childIndex = 0 + channel.port1.on('message', (message: WorkerToHostMessage) => { + messages.push(message) + switch (message.type) { + case WorkerToHostType.Ready: + if (options?.go !== false) channel.port1.postMessage({ type: HostToWorkerType.Go } satisfies HostToWorkerMessage) + break + case WorkerToHostType.ChildStart: { + if (options?.manual) break + const index = childIndex + childIndex += 1 + const refusal = options?.refuse?.(index) + if (refusal !== undefined) { + channel.port1.postMessage( + { type: HostToWorkerType.ChildStartError, callId: message.callId, rendered: refusal } satisfies HostToWorkerMessage, + ) + break + } + channel.port1.postMessage({ type: HostToWorkerType.ChildStarted, callId: message.callId, childId: `child-${index}` } satisfies HostToWorkerMessage) + const reply = options?.reply?.(message.request, index) + if (reply !== undefined) { + channel.port1.postMessage( + { type: HostToWorkerType.ChildSettled, callId: message.callId, result: reply } satisfies HostToWorkerMessage, + ) + } + break + } + case WorkerToHostType.ChildDispose: + channel.port1.postMessage({ type: HostToWorkerType.ChildDisposed, callId: message.callId } satisfies HostToWorkerMessage) + break + case WorkerToHostType.Result: + resultGate.resolve(message.result) + break + default: + break + } + }) + return { + port: channel.port2, + messages, + ofType: type => messages.filter((message): message is never => message.type === type), + send: (message) => { channel.port1.postMessage(message) }, + result: () => resultGate.promise, + close: () => { channel.port1.close() }, + } +} + +/** A completed text child result. */ +function text(reply: string): ChildResult { + return { output: [{ type: 'text', text: reply }], stopReason: 'completed' } +} + +describe('runWorkerSession over an in-process MessageChannel', () => { + it('runs a script end to end: ready/go handshake, phases, log, agents, result', async () => { + const host = fakeHost({ reply: (_request, index) => text(`answer-${index}`) }) + const session = runWorkerSession(host.port, init(` + phase('Scan') + log('starting with ' + args.files.length + ' files') + const answers = await pipeline(args.files, (prev, item) => agent('read ' + item)) + return { answers } + `, { files: ['a.ts', 'b.ts'] })) + const result = await host.result() + await session + expect(result.stopReason).toBe('completed') + expect(result.agentsStarted).toBe(2) + expect(result.value).toEqual({ answers: ['answer-0', 'answer-1'] }) + expect(host.messages[0]!.type).toBe('ready') + expect(host.ofType(WorkerToHostType.Phase).map(m => m.title)).toEqual(['Scan']) + expect(host.ofType(WorkerToHostType.Log).map(m => m.message)).toEqual(['starting with 2 files']) + expect(host.ofType(WorkerToHostType.AgentStart).map(m => m.info.childId)).toEqual(['child-0', 'child-1']) + expect(host.ofType(WorkerToHostType.AgentEnd).every(m => m.info.outcome === 'completed')).toBe(true) + host.close() + }) + + it('agent({schema}) forwards the schema on the start request and returns the structured value', async () => { + const host = fakeHost({ reply: () => ({ output: [], structured: { files: ['x.ts'] }, stopReason: 'completed' }) }) + void runWorkerSession(host.port, init(` + const found = await agent('list files', { schema: { type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } } }, model: 'deepseek-v4-pro' }) + return { first: found.files[0] } + `)) + const result = await host.result() + expect(result.value).toEqual({ first: 'x.ts' }) + const start = host.ofType(WorkerToHostType.ChildStart)[0]! + expect(start.request.schema).toEqual({ type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } } }) + expect(start.request.model).toBe('deepseek-v4-pro') + host.close() + }) + + it('a schema child completing WITHOUT a structured value resolves null with a failed outcome', async () => { + const host = fakeHost({ reply: () => text('prose, no structure') }) + void runWorkerSession(host.port, init("return await agent('p', { schema: { type: 'object' } })")) + const result = await host.result() + expect(result.value).toBeNull() + expect(host.ofType(WorkerToHostType.AgentEnd)[0]!.info.outcome).toBe('failed') + host.close() + }) + + it('a child settling non-completed resolves null (scripts filter), never throwing into the script', async () => { + const host = fakeHost({ reply: (_request, index) => index === 0 ? { output: [], stopReason: 'error' } : text('ok') }) + void runWorkerSession(host.port, init("return await parallel([() => agent('one'), () => agent('two')])")) + const result = await host.result() + expect(result.value).toEqual([null, 'ok']) + expect(host.ofType(WorkerToHostType.AgentEnd).map(m => m.info.outcome)).toEqual(expect.arrayContaining(['failed', 'completed'])) + host.close() + }) + + it('a start refusal (child-start-error) is a fatal AGENT_START that kills the script through a combinator', async () => { + const host = fakeHost({ refuse: () => 'no provider here' }) + void runWorkerSession(host.port, init("return await pipeline([1], () => agent('p'))")) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain('agent() could not start a child') + expect(result.error).toContain('no provider here') + host.close() + }) + + it('a child-failed message (infrastructure rejection) is fatal AGENT_RESULT with the paired failed outcome', async () => { + const host = fakeHost() + void runWorkerSession(host.port, init(` + try { await agent('p'); return 'unreachable' } catch (e) { return { name: e.name, code: e.code, fatal: e.fatal } } + `)) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + host.send({ type: HostToWorkerType.ChildFailed, callId, rendered: 'backend exploded' }) + const result = await host.result() + expect(result.value).toMatchObject({ name: 'WorkflowError', code: 'AGENT_RESULT', fatal: true }) + expect(host.ofType(WorkerToHostType.AgentEnd)[0]!.info.outcome).toBe('failed') + host.close() + }) + + it('cancel before go: the body never runs at all and the result is cancelled (a second cancel is a no-op)', async () => { + const host = fakeHost({ go: false }) + const session = runWorkerSession(host.port, init("log('ran')\nreturn 123")) + await vi.waitFor(() => { expect(host.messages.some(m => m.type === WorkerToHostType.Ready)).toBe(true) }) + host.send({ type: HostToWorkerType.Cancel, reason: 'aborted before start' }) + // Idempotence: the first reason wins; a duplicate cancel changes nothing. + host.send({ type: HostToWorkerType.Cancel, reason: 'a later reason that must lose' }) + const result = await host.result() + await session + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('aborted before start') + expect(result.error).not.toContain('must lose') + expect(result.value).toBeNull() + expect(host.ofType(WorkerToHostType.Log)).toEqual([]) + host.close() + }) + + it('a script with no return value resolves value: null', async () => { + const host = fakeHost({ reply: () => text('ok') }) + void runWorkerSession(host.port, init("await agent('p')")) + const result = await host.result() + expect(result.stopReason).toBe('completed') + expect(result.value).toBeNull() + host.close() + }) + + it('cancel mid-run: in-flight children get cancel RPCs, hooks throw at entry, the run reports cancelled', async () => { + const host = fakeHost() + void runWorkerSession(host.port, init(` + phase('before') + try { await agent('x') } catch (e) {} + try { phase('after') } catch (e) {} + try { log('after') } catch (e) {} + try { await parallel([() => 'ran']) } catch (e) {} + try { await pipeline(['item'], p => p) } catch (e) {} + return 'survived by catching' + `)) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + host.send({ type: HostToWorkerType.Cancel, reason: 'stop everything' }) + // The real host settles the aborted child; mirror it. + host.send({ type: HostToWorkerType.ChildSettled, callId, result: { output: [], stopReason: 'aborted' } }) + const result = await host.result() + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('stop everything') + expect(host.ofType(WorkerToHostType.ChildCancel).map(m => m.callId)).toContain(callId) + expect(host.ofType(WorkerToHostType.AgentEnd)[0]!.info.outcome).toBe('cancelled') + // No post-cancel narration left the runtime (the hooks threw at entry). + expect(host.ofType(WorkerToHostType.Phase).map(m => m.title)).toEqual(['before']) + expect(host.ofType(WorkerToHostType.Log)).toEqual([]) + host.close() + }) + + it('cancellation between a queued waiter and its slot: the waiter rejects without a child-start', async () => { + const host = fakeHost({ go: true }) + void runWorkerSession(host.port, init( + "return await parallel([() => agent('a'), () => agent('b')])", + undefined, + { maxConcurrentAgents: 1 }, + )) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + host.send({ type: HostToWorkerType.Cancel, reason: 'raced' }) + const result = await host.result() + expect(result.stopReason).toBe('cancelled') + // Only the first agent ever reached the host. + expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) + host.close() + }) + + it('a stray (never-awaited) agent is reaped after settlement: cancel + dispose RPCs flow, no unhandled rejection', async () => { + const unhandled: unknown[] = [] + const onUnhandled = (reason: unknown): void => { unhandled.push(reason) } + process.on('unhandledRejection', onUnhandled) + try { + const host = fakeHost() + void runWorkerSession(host.port, init(` + agent('stray, never awaited') + return 'done without awaiting' + `)) + const result = await host.result() + expect(result.stopReason).toBe('completed') + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + host.send({ type: HostToWorkerType.ChildSettled, callId, result: { output: [], stopReason: 'aborted' } }) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildDispose).map(m => m.callId)).toContain(callId) }) + await new Promise(resolve => setTimeout(resolve, 20)) + expect(unhandled).toEqual([]) + host.close() + } finally { + process.off('unhandledRejection', onUnhandled) + } + }) + + it('an unparseable body settles an error result instead of dying without one (host pre-parse skew guard)', async () => { + const host = fakeHost() + await runWorkerSession(host.port, init('return (((')) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain('does not parse') + expect(result.agentsStarted).toBe(0) + host.close() + }) + + it('a synchronous spin in the initial slice dies by the in-worker vm timeout', async () => { + const host = fakeHost() + void runWorkerSession(host.port, init('while (true) {}', undefined, { syncTimeoutMs: 50 })) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error?.toLowerCase()).toContain('timed out') + host.close() + }) + + it('a non-JSON return value fails loud as RESULT_UNSERIALIZABLE', async () => { + const host = fakeHost() + void runWorkerSession(host.port, init('return { when: new Date(0) }')) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain('not plain JSON data') + host.close() + }) + + it('tolerates replies for unknown callIds (a teardown race): nothing crashes, the run completes', async () => { + const host = fakeHost({ reply: () => text('fine') }) + void runWorkerSession(host.port, init("return await agent('p')")) + host.send({ type: HostToWorkerType.ChildStarted, callId: 999, childId: 'ghost' }) + host.send({ type: HostToWorkerType.ChildStartError, callId: 999, rendered: 'ghost' }) + host.send({ type: HostToWorkerType.ChildSettled, callId: 999, result: text('ghost') }) + host.send({ type: HostToWorkerType.ChildFailed, callId: 999, rendered: 'ghost' }) + host.send({ type: HostToWorkerType.ChildDisposed, callId: 999 }) + const result = await host.result() + expect(result.stopReason).toBe('completed') + expect(result.value).toBe('fine') + host.close() + }) + + it('caps and malformed hook arguments reject loud (the runtime runs unchanged inside the session)', async () => { + const cases: [string, string][] = [ + ['return await agent(42)', 'non-empty prompt string'], + ["return await agent('')", 'non-empty prompt string'], + ["return await agent('p', 'opts')", 'options must be an object'], + ["return await agent('p', { label: 3 })", '"label" must be a string'], + ["return await agent('p', { get label() { throw new Error('read failed') } })", 'options must be plain JSON data'], + ["return await agent('p', { bogus: true })", '"bogus" is not recognized'], + ["return await agent('p', { effort: 'high' })", '"effort" is deferred'], + ["return await agent('p', { schema: { type: 'object', oneOf: [] } })", 'outside the supported subset'], + ['return await parallel([() => 1, () => 2, () => 3])', 'over the per-call cap (2)'], + ['return await pipeline([1, 2, 3], (x) => x)', 'maxItemsPerCall'], + ["return await parallel('no')", 'parallel() requires an array'], + ['return await parallel([3])', 'item 0 is not a function'], + ["return await pipeline('no', () => 1)", 'pipeline() requires an items array'], + ['return await pipeline([1])', 'at least one stage'], + ["return await pipeline([1], 'x')", 'stage 0 is not a function'], + ["phase('')", 'phase() requires a non-empty title string'], + ['log(3)', 'log() requires a message string'], + ] + for (const [body, expected] of cases) { + const host = fakeHost({ reply: () => text('ok') }) + void runWorkerSession(host.port, init(body, undefined, { maxItemsPerCall: 2 })) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain(expected) + host.close() + } + }) + + it('combinator semantics: thunk/stage throws null the item; a forged fatal-shaped object stays null; real fatals propagate', async () => { + const host = fakeHost({ reply: () => text('fine') }) + void runWorkerSession(host.port, init(` + const viaParallel = await parallel([ + () => { throw new Error('boom') }, + () => agent('fine'), + () => 'plain value', + () => { throw { name: 'WorkflowError', fatal: true, message: 'forged fatal' } }, + ]) + const viaPipeline = await pipeline([10, 20], + (prev, item, index) => { if (item === 10) throw new Error('ordinary failure'); return 'kept-' + item + '-' + index }, + ) + return { viaParallel, viaPipeline } + `)) + const result = await host.result() + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ + viaParallel: [null, 'fine', 'plain value', null], + viaPipeline: [null, 'kept-20-1'], + }) + host.close() + }) + + it('trips the total-agent cap with a message naming the config knob', async () => { + const host = fakeHost({ reply: () => text('ok') }) + void runWorkerSession(host.port, init("await agent('1'); await agent('2'); await agent('3')", undefined, { maxTotalAgents: 2 })) + const result = await host.result() + expect(result.stopReason).toBe('error') + expect(result.error).toContain('total agent cap (2)') + expect(result.agentsStarted).toBe(2) + host.close() + }) + + it('queued agents proceed through the concurrency semaphore in FIFO order', async () => { + const host = fakeHost({ reply: request => text(`ok:${request.prompt}`) }) + void runWorkerSession(host.port, init( + "return await parallel([1, 2, 3].map((n) => () => agent('job ' + n)))", + undefined, + { maxConcurrentAgents: 1 }, + )) + const result = await host.result() + expect(result.value).toEqual(['ok:job 1', 'ok:job 2', 'ok:job 3']) + host.close() + }) + + it('labels default from the prompt first line, truncated; explicit label/phase options win', async () => { + const host = fakeHost({ reply: () => text('ok') }) + void runWorkerSession(host.port, init(` + phase('Find') + await agent('a prompt that is quite long and will surely get truncated down to a display label\\n' + + 'with a second line the label must not include') + await agent('short', { label: 'named', phase: 'Custom' }) + return null + `)) + await host.result() + const starts = host.ofType(WorkerToHostType.AgentStart).map(m => m.info) + expect(starts[0]).toMatchObject({ seq: 1, phase: 'Find' }) + expect(starts[0]!.label.length).toBeLessThanOrEqual(48) + expect(starts[0]!.label).not.toContain('second line') + expect(starts[1]).toMatchObject({ seq: 2, label: 'named', phase: 'Custom' }) + host.close() + }) + + it('non-text output blocks are filtered out of the text result', async () => { + const host = fakeHost({ + reply: () => ({ + output: [ + { type: 'text', text: 'first ' }, + { type: 'tool_call', id: 'c1', name: 'x', arguments: {} } as never, + { type: 'text', text: 'second' }, + ], + stopReason: 'completed', + }), + }) + void runWorkerSession(host.port, init("return await agent('p')")) + const result = await host.result() + expect(result.value).toBe('first second') + host.close() + }) + + it('a cancel landing DURING the start round-trip winds the fresh child down (cancel + dispose) and dies cancelled', async () => { + const host = fakeHost({ manual: true }) + void runWorkerSession(host.port, init("return await agent('p')")) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + // Cancel FIRST, then the (stale) started reply: the worker processes them + // in order, so the agent() continuation resumes already-cancelled — the + // window the real host cannot produce (it refuses starts once cancelled) + // but a teardown race can. + host.send({ type: HostToWorkerType.Cancel, reason: 'raced the start' }) + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + const result = await host.result() + expect(result.stopReason).toBe('cancelled') + await vi.waitFor(() => { + expect(host.ofType(WorkerToHostType.ChildCancel).map(m => m.callId)).toContain(callId) + expect(host.ofType(WorkerToHostType.ChildDispose).map(m => m.callId)).toContain(callId) + }) + // The child never became an agent-start: it was wound down pre-lifecycle. + expect(host.ofType(WorkerToHostType.AgentStart)).toEqual([]) + host.close() + }) + + it('a start refusal arriving after a cancel reads as the cancellation, not a broken seam', async () => { + const host = fakeHost({ manual: true }) + void runWorkerSession(host.port, init(` + try { await agent('p'); return 'unreachable' } catch (e) { return { code: e.code } } + `)) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.Cancel, reason: 'stopping' }) + host.send({ type: HostToWorkerType.ChildStartError, callId, rendered: 'workflow run cancelled: stopping' }) + const result = await host.result() + // The run reports cancelled (the script died of CANCELLED, not AGENT_START). + expect(result.stopReason).toBe('cancelled') + host.close() + }) + + it('a child result rejection while cancelled pairs a cancelled agent-end, and the run reports cancelled', async () => { + const host = fakeHost({ manual: true }) + void runWorkerSession(host.port, init("return await agent('doomed')")) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) }) + const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId + host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' }) + await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.AgentStart).length).toBe(1) }) + host.send({ type: HostToWorkerType.Cancel, reason: 'user aborted' }) + host.send({ type: HostToWorkerType.ChildFailed, callId, rendered: 'backend crashed on abort' }) + const result = await host.result() + expect(result.stopReason).toBe('cancelled') + expect(host.ofType(WorkerToHostType.AgentEnd)[0]!.info.outcome).toBe('cancelled') + host.close() + }) + +}) + +describe('the worker bootstrap', () => { + it('requireParentPort narrows a real port and throws on the main thread', () => { + const channel = new MessageChannel() + expect(requireParentPort(channel.port1)).toBe(channel.port1) + channel.port1.close() + expect(() => requireParentPort(null)).toThrow(/inside a worker thread/) + }) + + it('the entry module itself throws when loaded on the main thread (no parentPort)', async () => { + // This import EXECUTES ../src/worker.ts on the main thread, which is what + // covers the bootstrap file: requireParentPort throws before + // runWorkerSession is reached. + await expect(import('../src/worker.ts')).rejects.toThrow(/inside a worker thread/) + }) +}) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts new file mode 100644 index 0000000000..6353868a02 --- /dev/null +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.e2e.ts @@ -0,0 +1,102 @@ +import { afterEach, describe, expect, it } from 'vitest' +import { Context } from 'cordis' +import LlmService from '@deepseek-ai/dsh-llm' +import SessionStore from '@deepseek-ai/dsh-session' +import SystemPrompt from '@deepseek-ai/dsh-system-prompt' +import ToolRegistry from '@deepseek-ai/dsh-tools' +import AgentRegistry, { AgentId } from '@deepseek-ai/dsh-agent' +import AgentLoop from '@deepseek-ai/dsh-agent-loop' +import * as LlmDeepSeek from '@deepseek-ai/dsh-llm-deepseek' +import SubagentService from '@deepseek-ai/dsh-subagent' +import * as Spawn from '@deepseek-ai/dsh-subagent-spawn' +import WorkerWorkflowEngine from '../src/index.ts' + +/** + * With-key e2e: a REAL script in a REAL worker thread + * drives REAL spawn children against the live DeepSeek API — one plain child + * and one schema'd child through the real structured-output runtime — and + * the run's value, events, and child sessions are asserted from the outside + * (never the script's self-report alone). Key-gated (self-skips without + * DEEPSEEK_API_KEY). + */ + +let ctx: Context | undefined + +afterEach(async () => { + await ctx?.fiber.dispose() + ctx = undefined +}) + +async function harness(): Promise<Context> { + const built = new Context() + await built.plugin(LlmService) + await built.plugin(SessionStore) + await built.plugin(SystemPrompt) + await built.plugin(ToolRegistry) + await built.plugin(AgentRegistry) + await built.plugin(AgentLoop, { agents: [] }) + await built.plugin(LlmDeepSeek, { models: ['deepseek-v4-flash'] }) + await built.plugin(SubagentService) + await built.plugin(Spawn, { providerName: 'spawn' }) + await built.plugin(WorkerWorkflowEngine, { provider: 'spawn' }) + return built +} + +const META = { + name: 'e2e-worker-arithmetic', + description: 'two real children through a worker thread: one prose, one structured', + phases: [{ title: 'Ask' }, { title: 'Judge' }], +} +const SCRIPT = `phase('Ask') +log('asking the prose child') +const prose = await agent('Reply with exactly one short sentence: what is 2 + 2?') +phase('Judge') +const judged = await agent( + 'Here is an answer to the question "what is 2+2": ' + prose + + ' — report whether it contains the number 4 and your confidence between 0 and 1.', + { schema: { type: 'object', properties: { containsFour: { type: 'boolean' }, confidence: { type: 'number' } }, required: ['containsFour'] } }, +) +return { prose, containsFour: judged === null ? null : judged.containsFour }` + +describe.skipIf(!process.env.DEEPSEEK_API_KEY)('worker workflow engine with-key e2e', () => { + it('runs a two-phase script in a worker thread over real children, one through the structured runtime', async () => { + ctx = await harness() + const parentHandle = ctx.agents.create({ + agentId: AgentId('wf-worker-e2e-parent'), + sessionId: 'wf-worker-e2e-session' as never, + agentOptions: { model: 'deepseek-v4-flash' }, + }) + + const events: string[] = [] + const childIds: string[] = [] + for (const name of ['workflow/start', 'workflow/phase', 'workflow/log', 'workflow/agent-start', 'workflow/agent-end', 'workflow/end'] as const) { + ctx.on(name, (...payload: unknown[]) => { + events.push(name) + if (name === 'workflow/agent-start') childIds.push((payload[1] as { childId: string }).childId) + }) + } + + const run = ctx.workflows.start({ script: SCRIPT, meta: META, parent: parentHandle.agent }) + const result = await run.result + await run.dispose() + + expect(result.stopReason).toBe('completed') + expect(result.agentsStarted).toBe(2) + const value = result.value as { prose: string; containsFour: boolean | null } + // World checks: the prose child really answered (a real completion), and + // the structured child judged it against the REAL schema-forced tool. + expect(value.prose.length).toBeGreaterThan(0) + expect(value.containsFour).toBe(true) + + expect(events[0]).toBe('workflow/start') + expect(events.at(-1)).toBe('workflow/end') + expect(events.filter(name => name === 'workflow/phase').length).toBe(2) + expect(events.filter(name => name === 'workflow/agent-start').length).toBe(2) + expect(childIds.length).toBe(2) + // The children were disposed to quiescence after collection. + for (const childId of childIds) { + expect(ctx.agents.get(AgentId(childId))).toBeUndefined() + } + await parentHandle.dispose() + }, 240_000) +}) diff --git a/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts new file mode 100644 index 0000000000..75a0b5116e --- /dev/null +++ b/packages/workflow/workflow-workerthread/tests/workflow-workerthread.spec.ts @@ -0,0 +1,940 @@ +import { describe, expect, it, vi } from 'vitest' +import { fileURLToPath } from 'node:url' +import { Context } from 'cordis' +import Loader from '@cordisjs/plugin-loader' +import { AgentId } from '@deepseek-ai/dsh-agent' +import type { Agent } from '@deepseek-ai/dsh-agent' +import SubagentService from '@deepseek-ai/dsh-subagent' +import type { SubagentCapabilities, SubagentProvider, SubagentResult, SubagentRun, SubagentStartRequest } from '@deepseek-ai/dsh-subagent' +import type { WorkflowMeta, WorkflowResult, WorkflowResultInfo, WorkflowRunInfo } from '@deepseek-ai/dsh-workflow' +import * as workerEngineModule from '../src/index.ts' +import WorkerWorkflowEngine, { type Config } from '../src/index.ts' + +/** A minimal parent stand-in: the engine only threads it through to the provider. */ +function fakeParent(): Agent { + return { id: AgentId('workflow-parent'), options: {} } as unknown as Agent +} + +// Worker-thread startup is CPU-bound (a fresh thread compiles the runtime on +// every start): on a contended CI runner it regularly blows past vitest's 5s +// default test timeout, observed repeatedly on the coverage lane. +vi.setConfig({ testTimeout: 30_000 }) + +/** + * `vi.waitFor` with a contention-proof default timeout: the 1s default + * flaked repeatedly on the CI coverage lane, where worker-thread cold start + * (CPU-bound — a fresh thread compiles the runtime) competes with three + * sibling vitest workers for CPU. The 10s default is for exactly those + * races — waiting for a worker to start, run its first script line, or + * deliver an async child-registration message to the host. It is NOT for a + * wait that asserts the HOST reacted PROMPTLY to something that already + * happened (a settled result, an observed worker death): those keep an + * explicit tight override below, or the generous default would silently + * accept a multi-second regression in host-side reap latency as passing + * (proven by injecting a 6s delay into one such reap and watching the + * un-overridden version of this helper still pass in ~6s). + * @param assertion - retried until it stops throwing or the timeout elapses. + * @param timeout - override for a wait that must stay deliberately tight. + * @returns resolves when the assertion passes. + */ +function waitFor(assertion: () => void, timeout = 10_000): Promise<void> { + return vi.waitFor(assertion, { timeout, interval: 50 }) +} + +/** The vm-context escape hatch, spelled once: real Worker tests use it to make the WORKER misbehave. */ +const ESCAPE = "globalThis.constructor.constructor('return process')()" + +/** One controllable child run: the test (or auto mode) settles it. */ +interface ControlledRun { + request: SubagentStartRequest + settle(result: SubagentResult): void + cancelled: string | undefined + disposed: boolean + disposeCalls: number +} + +/** + * A scripted in-test provider over the REAL SubagentService registry: `auto` + * settles each run via the reply function on a microtask; `manual` piles runs + * up in `runs` for the test to settle. A run aborts (settles `aborted`) when + * the request signal fires, like the real in-process backends. + */ +class StubProvider implements SubagentProvider { + readonly capabilities: SubagentCapabilities = { outputSchema: true, depthLimit: true, toolFilter: true } + readonly inheritsParentContext = false + readonly runs: ControlledRun[] = [] + + constructor( + readonly name: string, + private readonly reply?: (request: SubagentStartRequest, index: number) => SubagentResult, + private readonly disposeDelayMs = 0, + ) {} + + start(request: SubagentStartRequest): SubagentRun { + let settle!: (result: SubagentResult) => void + const result = new Promise<SubagentResult>((resolve) => { settle = resolve }) + const controlled: ControlledRun = { request, settle, cancelled: undefined, disposed: false, disposeCalls: 0 } + this.runs.push(controlled) + const index = this.runs.length - 1 + request.signal?.addEventListener('abort', () => { settle({ output: [], stopReason: 'aborted' }) }, { once: true }) + if (this.reply) { + const reply = this.reply + queueMicrotask(() => { settle(reply(request, index)) }) + } + return { + id: AgentId(`stub-child-${index}`), + result, + cancel: (reason?: string) => { + controlled.cancelled = reason ?? 'cancelled' + settle({ output: [], stopReason: 'aborted' }) + }, + dispose: () => { + controlled.disposeCalls += 1 + if (this.disposeDelayMs === 0) { + controlled.disposed = true + return Promise.resolve() + } + return new Promise<void>((resolve) => { + setTimeout(() => { + controlled.disposed = true + resolve() + }, this.disposeDelayMs) + }) + }, + } + } +} + +/** Text-reply helper for auto providers. */ +function text(reply: string): SubagentResult { + return { output: [{ type: 'text', text: reply }], stopReason: 'completed' } +} + +interface SetupOptions { + config?: Config + reply?: (request: SubagentStartRequest, index: number) => SubagentResult + manual?: boolean + disposeDelayMs?: number +} + +async function setup(options?: SetupOptions) { + const ctx = new Context() + await ctx.plugin(SubagentService) + const provider = new StubProvider( + 'stub', + options?.manual ? undefined : options?.reply ?? (() => text('stub reply')), + options?.disposeDelayMs ?? 0, + ) + ctx.subagents.registerProvider(provider) + // A fixed concurrency ceiling: the auto-resolved default is machine-derived + // (cores - 2, floored at 1), so tests that expect N children in flight + // would wedge on small CI runners. + await ctx.plugin(WorkerWorkflowEngine, { provider: 'stub', maxConcurrentAgents: 8, ...options?.config }) + return { ctx, provider, parent: fakeParent() } +} + +/** The standard test meta plus a body, spread into a start request. */ +function scripted(body: string, metaExtra?: Partial<WorkflowMeta>): { script: string; meta: WorkflowMeta } { + return { script: body, meta: { name: 'test-flow', description: 'a test workflow', ...metaExtra } } +} + +/** Start + await one run, disposing on the way out. */ +async function run(ctx: Context, parent: Agent, source: { script: string; meta: WorkflowMeta }, args?: unknown): Promise<WorkflowResult> { + const handle = ctx.workflows.start({ ...source, parent, ...args !== undefined ? { args } : {} }) + try { + return await handle.result + } finally { + await handle.dispose() + } +} + +describe('dsh-workflow-workerthread', () => { + describe('script execution over a real worker thread', () => { + it('runs a script end-to-end: agent() text results, phases, log, args, return value, events', async () => { + const { ctx, parent, provider } = await setup({ reply: (_request, index) => text(`answer-${index}`) }) + const events: [string, unknown[]][] = [] + for (const name of ['workflow/start', 'workflow/phase', 'workflow/log', 'workflow/agent-start', 'workflow/agent-end', 'workflow/end'] as const) { + ctx.on(name, (...payload: unknown[]) => { events.push([name, payload]) }) + } + const result = await run(ctx, parent, scripted(` + phase('Scan') + log('starting with ' + args.files.length + ' files') + const answers = await pipeline(args.files, (prev, item) => agent('read ' + item)) + phase('Report') + return { answers, count: args.files.length } + `, { phases: [{ title: 'Scan' }, { title: 'Report' }] }), { files: ['a.ts', 'b.ts'] }) + + expect(result.stopReason).toBe('completed') + expect(result.agentsStarted).toBe(2) + expect(result.value).toEqual({ answers: ['answer-0', 'answer-1'], count: 2 }) + expect(provider.runs.every(r => r.disposed)).toBe(true) + + const names = events.map(([name]) => name) + expect(names[0]).toBe('workflow/start') + expect(names).toContain('workflow/phase') + expect(names).toContain('workflow/log') + expect(names.at(-1)).toBe('workflow/end') + const info = events[0]![1][0] as WorkflowRunInfo + expect(info.meta.name).toBe('test-flow') + const end = events.at(-1)![1][1] as Record<string, unknown> + expect(end).toEqual({ stopReason: 'completed', agentsStarted: 2 }) + expect('value' in end).toBe(false) + }) + + it('agent({schema, model}) forwards outputSchema and agentOptions to the provider across the thread', async () => { + const { ctx, parent, provider } = await setup({ + reply: () => ({ output: [], structured: { files: ['x.ts', 'y.ts'] }, stopReason: 'completed' }), + }) + const result = await run(ctx, parent, scripted(` + const found = await agent('list files', { model: 'deepseek-v4-pro', schema: { type: 'object', properties: { files: { type: 'array', items: { type: 'string' } } }, required: ['files'] } }) + return { first: found.files[0], count: found.files.length } + `)) + expect(result.value).toEqual({ first: 'x.ts', count: 2 }) + expect(provider.runs[0]!.request.outputSchema).toEqual({ + type: 'object', + properties: { files: { type: 'array', items: { type: 'string' } } }, + required: ['files'], + }) + expect(provider.runs[0]!.request.agentOptions).toEqual({ model: 'deepseek-v4-pro' }) + expect(provider.runs[0]!.request.parent).toBeDefined() + }) + + it('a fatal hook error inside the worker kills the script and reports the error', async () => { + const { ctx, parent } = await setup() + const result = await run(ctx, parent, scripted("return await parallel([() => agent('x', { isolation: 'worktree' })])")) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('"isolation" is deferred') + }) + + it('a provider start failure crosses back as a fatal AGENT_START error', async () => { + const { ctx, parent } = await setup({ config: { provider: 'nonexistent' } }) + const result = await run(ctx, parent, scripted("return await pipeline([1], () => agent('p'))")) + expect(result.stopReason).toBe('error') + expect(result.error).toContain('agent() could not start a child') + }) + + it('a child result REJECTION crosses back as a fatal AGENT_RESULT error (a broken provider is not a failed child)', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const provider: SubagentProvider = { + name: 'rejecting', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => ({ + id: AgentId('reject-child'), + result: Promise.reject(new Error('backend exploded')), + cancel: () => { /* nothing in flight */ }, + dispose: () => Promise.resolve(), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'rejecting', maxConcurrentAgents: 2 }) + const result = await run(ctx, fakeParent(), scripted(` + try { await agent('p'); return 'unreachable' } catch (e) { return { name: e.name, code: e.code, fatal: e.fatal, message: e.message } } + `)) + expect(result.value).toMatchObject({ name: 'WorkflowError', code: 'AGENT_RESULT', fatal: true }) + expect((result.value as { message: string }).message).toContain('backend exploded') + }) + + it('a child whose dispose() rejects cannot wedge the script (the host acks anyway)', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const provider: SubagentProvider = { + name: 'bad-dispose', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => ({ + id: AgentId('bad-dispose-child'), + result: Promise.resolve({ output: [{ type: 'text', text: 'fine' }], stopReason: 'completed' }), + cancel: () => { /* settled already */ }, + dispose: () => Promise.reject(new Error('dispose exploded')), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'bad-dispose', maxConcurrentAgents: 2 }) + const result = await run(ctx, fakeParent(), scripted("return await agent('p')")) + expect(result.stopReason).toBe('completed') + expect(result.value).toBe('fine') + }) + + it('a child dispose() rejecting an UNRENDERABLE value still acks — the containment warn is total', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const provider: SubagentProvider = { + name: 'coercion-trap-dispose', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => ({ + id: AgentId('trap-child'), + result: Promise.resolve({ output: [{ type: 'text', text: 'fine' }], stopReason: 'completed' }), + cancel: () => { /* settled already */ }, + // The rejection VALUE's own coercion throws: a warn built with bare + // String(error) would itself throw, skipping the ChildDisposed ack + // and wedging the script's finally until the grace/terminate path. + // eslint-disable-next-line @typescript-eslint/prefer-promise-reject-errors -- the non-Error rejection IS the scenario under test + dispose: () => Promise.reject({ toString: () => { throw new Error('coercion trap') } }), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'coercion-trap-dispose', maxConcurrentAgents: 2 }) + const result = await run(ctx, fakeParent(), scripted("return await agent('p')")) + expect(result.stopReason).toBe('completed') + expect(result.value).toBe('fine') + }) + + it('the worker spawns with an EMPTY environment: an escaped script finds no ambient credentials', async () => { + const { ctx, parent } = await setup() + // A canary in the HARNESS process's env: with an inherited environment + // the escape below would read it back (exactly how DEEPSEEK_API_KEY + // would leak); env: {} in the spawn options is what keeps it out. + process.env.WORKFLOW_ENV_CANARY = 'leak me' + try { + const result = await run(ctx, parent, scripted(` + const proc = ${ESCAPE} + return { canary: proc.env.WORKFLOW_ENV_CANARY ?? null, keys: Object.keys(proc.env).length } + `)) + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ canary: null, keys: 0 }) + } finally { + delete process.env.WORKFLOW_ENV_CANARY + } + }) + + it('the unbuilt worker forwards exactly TSX_TSCONFIG_PATH through the scrub: the paths-map pin survives, secrets do not', async () => { + const { ctx, parent } = await setup() + // The ACP snapshot harness runs the parent with its cwd OUTSIDE the + // repo and pins the repo tsconfig through this variable; the worker + // must inherit the pin (or its dsh-* imports silently resolve to + // unbuilt lib/ bundles) while every other variable stays scrubbed. + const tsconfig = fileURLToPath(new URL('../../../../tsconfig.json', import.meta.url)) + process.env.TSX_TSCONFIG_PATH = tsconfig + process.env.WORKFLOW_ENV_CANARY = 'leak me' + try { + const result = await run(ctx, parent, scripted(` + const proc = ${ESCAPE} + return { keys: Object.keys(proc.env), tsconfig: proc.env.TSX_TSCONFIG_PATH } + `)) + expect(result.stopReason).toBe('completed') + expect(result.value).toEqual({ keys: ['TSX_TSCONFIG_PATH'], tsconfig }) + } finally { + delete process.env.TSX_TSCONFIG_PATH + delete process.env.WORKFLOW_ENV_CANARY + } + }) + }) + + describe('lifecycle: parse errors, cancellation, termination, disposal', () => { + it('start() throws synchronously for invalid meta data or an unparseable body (host-side pre-checks)', async () => { + const { ctx, parent } = await setup() + // Meta is DATA — shape violations reject loud, every one named. + expect(() => ctx.workflows.start({ script: 'return 1', meta: { name: '', description: 'd' }, parent })).toThrow(/meta\.name must be a non-empty string/) + expect(() => ctx.workflows.start({ script: 'return 1', meta: { name: 'x', description: 'd', extra: 1 } as unknown as WorkflowMeta, parent })).toThrow(/META_INVALID|not a recognized field/) + expect(() => ctx.workflows.start({ ...scripted('return ((('), parent })).toThrow(/does not parse/) + // The likeliest authoring slip — a Claude Code-style meta header in the + // body — gets a pointed message, not a bare SyntaxError. + expect(() => ctx.workflows.start({ ...scripted("export const meta = { name: 'x', description: 'd' }\nreturn 1"), parent })).toThrow(/meta rides the `meta` request field/) + }) + + it('cancel() aborts in-flight children (signal AND cancel RPC) and settles the run cancelled', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const ends: unknown[] = [] + ctx.on('workflow/agent-end', (_info, agent) => { ends.push(agent) }) + const runEnds: WorkflowResultInfo[] = [] + ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) + const handle = ctx.workflows.start({ ...scripted("return await agent('long job')"), parent }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) + handle.cancel('user stopped it') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('user stopped it') + await handle.dispose() + expect(provider.runs[0]!.disposed).toBe(true) + expect(ends).toEqual([expect.objectContaining({ seq: 1, outcome: 'cancelled' })]) + // workflow/end is an observer's only death signal: it fires for a + // cancelled run too, mirroring the settled outcome data. + expect(runEnds).toEqual([{ stopReason: 'cancelled', error: result.error, agentsStarted: result.agentsStarted }]) + }) + + it('an already-aborted request signal cancels before the body ever runs (the go handshake holds it)', async () => { + const { ctx, parent, provider } = await setup() + const controller = new AbortController() + controller.abort() + const logs: string[] = [] + ctx.on('workflow/log', (_info, message) => { logs.push(message) }) + const handle = ctx.workflows.start({ ...scripted("log('ran')\nreturn 123"), parent, signal: controller.signal }) + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.value).toBeNull() + expect(logs).toEqual([]) + expect(provider.runs.length).toBe(0) + await handle.dispose() + }) + + it('cancel() right after start() cancels before the body runs; the signal aborting mid-run cancels like cancel()', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const first = ctx.workflows.start({ ...scripted("return await agent('never')"), parent }) + // No-reason cancel: the canonical default reason must ride the result. + first.cancel() + const firstResult = await first.result + expect(firstResult.stopReason).toBe('cancelled') + expect(firstResult.error).toContain('workflow cancelled') + expect(provider.runs.length).toBe(0) + await first.dispose() + + const controller = new AbortController() + const second = ctx.workflows.start({ ...scripted("return await agent('job')"), parent, signal: controller.signal }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) + controller.abort() + expect((await second.result).stopReason).toBe('cancelled') + await second.dispose() + }) + + it('a child-start racing the host cancel is refused: no child starts after cancellation', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + // Cancel from INSIDE the log listener: the worker has already posted + // its child-start (queued right behind the log message), so the host + // processes it with cancelReason set — the refusal arm no real-world + // timing can hit reliably. (The closure runs only after `handle` below + // is initialized — the listener fires on the worker's first message.) + ctx.on('workflow/log', () => { handle.cancel('cancelled from the log listener') }) + const handle = ctx.workflows.start({ ...scripted("log('mark')\nreturn await agent('late')"), parent }) + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(provider.runs.length).toBe(0) + await handle.dispose() + }) + + it('post-cancel narration is suppressed host-side, and completion racing a cancel reports cancelled', async () => { + const { ctx, parent } = await setup() + const narration: string[] = [] + ctx.on('workflow/log', (_info, message) => { narration.push(message) }) + ctx.on('workflow/phase', (_info, title) => { narration.push(`phase:${title}`) }) + const handle = ctx.workflows.start({ + // The sync spin keeps the worker's loop busy so the cancel message + // cannot be processed before the script settles `completed` — the + // worker posts a completed result that must LOSE to the in-flight + // host cancellation. The trailing narration exercises host-side + // suppression: posted pre-cancel-processing worker-side, arriving + // post-cancel host-side. + ...scripted(` + log('started') + const end = Date.now() + 1000 + while (Date.now() < end) {} + phase('late phase') + log('late log') + return 'done' + `), + parent, + }) + await waitFor(() => { expect(narration).toContain('started') }) + handle.cancel('raced the completion') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('raced the completion') + expect(narration).toEqual(['started']) + await handle.dispose() + }, 15_000) + + it('cancel() force-settles a script parked on a promise no hook owns, and TERMINATES its worker', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 50 } }) + const runEnds: WorkflowResultInfo[] = [] + ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) + const handle = ctx.workflows.start({ + ...scripted("await new Promise(() => {})\nreturn 'unreachable'"), + parent, + }) + handle.cancel('user aborted') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('user aborted') + // The grace force-settle fires workflow/end exactly like an ordinary + // settlement — a terminated script's death still reaches observers. + expect(runEnds).toEqual([{ stopReason: 'cancelled', error: result.error, agentsStarted: 0 }]) + await handle.dispose() + }) + + it('dispose() on a stuck script returns within the grace instead of hanging (result settles cancelled)', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 50 } }) + const handle = ctx.workflows.start({ + ...scripted("await new Promise(() => {})\nreturn 'unreachable'"), + parent, + }) + const before = Date.now() + await handle.dispose() + expect(Date.now() - before).toBeLessThan(2000) + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + }) + + it('dispose() is idempotent and settles cleanly after a completed run', async () => { + const { ctx, parent } = await setup() + const handle = ctx.workflows.start({ ...scripted('return 1'), parent }) + await handle.result + await handle.dispose() + await handle.dispose() + }) + + it('a settled run arms NO grace timer: disposing a completed run must not pin it for disposeGraceMs', async () => { + // A distinctive grace so the spy can tell the cancel-path grace timer + // apart from every other timeout in flight. + const GRACE = 44_444 + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: GRACE } }) + const handle = ctx.workflows.start({ ...scripted('return 1'), parent }) + await handle.result + const spy = vi.spyOn(globalThis, 'setTimeout') + try { + await handle.dispose() + // dispose()'s own bounded-wait sleep is the ONLY grace-sized timer + // allowed here; before the settled guard, cancel() armed a second one + // that nothing would ever clear (the run was already settled), keeping + // the WorkerRun/Worker closure alive until the grace expired. + const graceTimers = spy.mock.calls.filter(call => call[1] === GRACE) + expect(graceTimers.length).toBe(1) + } finally { + spy.mockRestore() + } + }) + + it('strays: children fired without await are aborted once the script settles, and dispose() waits for their disposal', async () => { + const { ctx, parent, provider } = await setup({ manual: true, disposeDelayMs: 40 }) + const handle = ctx.workflows.start({ + ...scripted(` + agent('stray') + return 'done without awaiting' + `), + parent, + }) + const result = await handle.result + expect(result.stopReason).toBe('completed') + await waitFor(() => { expect(provider.runs.length).toBe(1) }) + await handle.dispose() + // Not a waitFor: by the time dispose() returns, the slow child disposal + // must already be complete (host-side registry quiescence). + expect(provider.runs[0]!.disposed).toBe(true) + }) + + it('the settle-reap fires the request signal too: a provider honoring ONLY the signal winds its stray down promptly', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const aborted: string[] = [] + const provider: SubagentProvider = { + name: 'signal-only', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: (request) => { + let settle!: (result: SubagentResult) => void + const result = new Promise<SubagentResult>((resolve) => { settle = resolve }) + request.signal?.addEventListener('abort', () => { + aborted.push(String(request.signal?.reason)) + settle({ output: [], stopReason: 'aborted' }) + }, { once: true }) + return { + id: AgentId('signal-only-child'), + result, + // The seam leaves a provider free to honor EITHER cancel channel; + // this one deliberately ignores run.cancel() — only the request + // signal can wind it down. + cancel: () => { /* signal-only by design */ }, + dispose: () => Promise.resolve(), + } + }, + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'signal-only', maxConcurrentAgents: 2 }) + const handle = ctx.workflows.start({ + ...scripted(` + agent('stray, never awaited') + return 'done' + `), + parent: fakeParent(), + }) + const result = await handle.result + expect(result.stopReason).toBe('completed') + // BEFORE dispose(): the settlement itself must have aborted the signal — + // without it this child would stay live until dispose's terminate. This + // is a HOST-PROMPTNESS claim, not a cold-start race — a tight explicit + // bound (unlike the file default) so a multi-second reap regression + // cannot pass by outlasting the wait. + await waitFor(() => { expect(aborted).toEqual(['workflow settled']) }, 1000) + await handle.dispose() + }) + + it("cancel() drives each child's explicit cancel() host-side: a wedged worker cannot delay it", async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + let starts = 0 + const cancelled: string[] = [] + const provider: SubagentProvider = { + name: 'cancel-only', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => { + starts += 1 + return { + id: AgentId('cancel-only-child'), + result: new Promise(() => { /* only cancel() ends this child */ }), + // Deliberately ignores the request signal — the seam leaves a + // provider free to honor ONLY the explicit cancel() channel. + cancel: (reason?: string) => { cancelled.push(reason ?? 'cancelled') }, + dispose: () => Promise.resolve(), + } + }, + } + ctx.subagents.registerProvider(provider) + // A deliberately huge grace: if only the grace/terminate reap could + // reach this child, the assertion below would time out first. + await ctx.plugin(WorkerWorkflowEngine, { provider: 'cancel-only', maxConcurrentAgents: 2, disposeGraceMs: 30_000 }) + const handle = ctx.workflows.start({ + // The stray child's start RPC reaches the host, then the script wedges + // its own worker in a synchronous spin: the worker cannot process the + // Cancel message, so it can relay NO ChildCancel RPC — only the host's + // own children loop can deliver the explicit cancel in time. The + // microtask yields let the agent() continuation POST its child-start + // before the spin seizes the worker's loop (the posted message needs + // no further worker-loop turns to reach the host). + ...scripted(` + agent('wedged child') + for (let i = 0; i < 20; i++) await null + const end = Date.now() + 1500 + while (Date.now() < end) {} + return 'raced' + `), + parent: fakeParent(), + }) + await waitFor(() => { expect(starts).toBe(1) }) + handle.cancel('stop now') + await waitFor(() => { expect(cancelled).toEqual(['stop now']) }, 800) + // The wedged worker's own completion loses to the in-flight cancel. + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + await handle.dispose() + }, 15_000) + + it('dispose() on a wedged worker host-drives child disposal inside the grace: it returns with the children DISPOSED, not with their teardown still in flight', async () => { + const { ctx, parent, provider } = await setup({ + manual: true, + disposeDelayMs: 40, + config: { provider: 'stub', maxConcurrentAgents: 8, disposeGraceMs: 400 }, + }) + const handle = ctx.workflows.start({ + // Same shape as the wedged-cancel test above: the child's start RPC + // reaches the host, then the script seizes its worker's loop, so the + // worker can relay NO dispose RPC — the host's own dispose() drive is + // the only thing that can start (and finish) this child's disposal + // before the grace runs out. + ...scripted(` + agent('wedged child') + for (let i = 0; i < 20; i++) await null + const end = Date.now() + 1500 + while (Date.now() < end) {} + return 'raced' + `), + parent, + }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) + const before = Date.now() + await handle.dispose() + // Bounded by the grace (plus the terminate), never by the 1.5s spin. + expect(Date.now() - before).toBeLessThan(1200) + // Not a waitFor: dispose() resolving IS the quiescence claim — the slow + // child disposal must be complete, not merely started (before the + // host-driven drive, disposal only STARTED at the post-terminate reap, + // so dispose() returned with it still in flight). + expect(provider.runs[0]!.disposed).toBe(true) + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + }, 15_000) + + it('a live child disposed by the dispose() drive is disposed ONCE, and the worker\'s late dispose RPC still gets its ack (the script settles, not the grace)', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + ...scripted(` + await agent('long child') + return 'unreachable' + `), + parent, + }) + await waitFor(() => { expect(provider.runs.length).toBe(1) }) + const handleDispose = handle.dispose() + const result = await handle.result + // The script itself settled (the wrapper's own dispose RPC found the + // child already reaped host-side and was acked) — a missing ack would + // wedge the wrapper's finally until the 5s default grace force-settle. + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('workflow disposed') + await handleDispose + expect(provider.runs[0]!.disposed).toBe(true) + // The memo: the host drive and the worker's RPC share one disposal. + expect(provider.runs[0]!.disposeCalls).toBe(1) + }) + + it('the grace force-settle pairs every stranded start: a host-synthesized cancelled agent-end lands before workflow/end', async () => { + const { ctx, parent, provider } = await setup({ manual: true, config: { provider: 'stub', maxConcurrentAgents: 8, disposeGraceMs: 300 } }) + const ends: { seq: number; outcome: string }[] = [] + const order: string[] = [] + ctx.on('workflow/agent-start', (_info, agent) => { order.push(`start:${agent.seq}`) }) + ctx.on('workflow/agent-end', (_info, agent) => { + ends.push({ seq: agent.seq, outcome: agent.outcome }) + order.push(`end:${agent.seq}`) + }) + ctx.on('workflow/end', () => { order.push('run-end') }) + const handle = ctx.workflows.start({ + // 'slow' starts and its agent-start crosses to observers (the awaited + // 'fast' call keeps the worker loop turning), then the script seizes + // the loop: the wedged worker can never author slow's agent-end — + // only the host's ledger can close the pair. + ...scripted(` + const p = agent('slow') + await agent('fast') + const end = Date.now() + 1500 + while (Date.now() < end) {} + return 'raced' + `), + parent, + }) + await waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! + fast.settle(text('fast done')) + handle.cancel('stop now') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + // fast's end is the worker's own report; slow's is host-synthesized at + // the force-settle — exactly one end per started seq, no third event. + expect(ends).toEqual([ + { seq: 2, outcome: 'completed' }, + { seq: 1, outcome: 'cancelled' }, + ]) + // Both ends reached observers BEFORE workflow/end: a progress consumer + // can finalize its state at run-end without dangling agents. + expect(order.indexOf('run-end')).toBe(order.length - 1) + await handle.dispose() + }, 15_000) + + it('graceful cancellation keeps pairing worker-authored: exactly one agent-end per start, nothing synthesized on top', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const ends: { seq: number; outcome: string }[] = [] + const order: string[] = [] + ctx.on('workflow/agent-end', (_info, agent) => { + ends.push({ seq: agent.seq, outcome: agent.outcome }) + order.push(`end:${agent.seq}`) + }) + ctx.on('workflow/end', () => { order.push('run-end') }) + const handle = ctx.workflows.start({ + ...scripted("await parallel([() => agent('a'), () => agent('b')])\nreturn 'unreachable'"), + parent, + }) + await waitFor(() => { expect(provider.runs.length).toBe(2) }) + handle.cancel('user stop') + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + // The live worker reported both pairs itself; the ledger must not add + // a synthesized duplicate on any path that settles inside the grace. + expect(ends.map(end => end.outcome)).toEqual(['cancelled', 'cancelled']) + expect(new Set(ends.map(end => end.seq)).size).toBe(2) + expect(order.indexOf('run-end')).toBe(order.length - 1) + await handle.dispose() + }) + }) + + describe('worker death', () => { + it('a worker that exits before settling reports an error result and reaps its children', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + // The child's dispose() REJECTS on top of the worker death: the reap + // must contain it (warn, not crash) while still emptying the registry. + const cancelled: string[] = [] + const provider: SubagentProvider = { + name: 'doomed', + capabilities: { outputSchema: true, depthLimit: true, toolFilter: true }, + inheritsParentContext: false, + start: () => ({ + id: AgentId('doomed-child'), + result: new Promise(() => { /* never settles; the reap is the teardown */ }), + cancel: (reason?: string) => { cancelled.push(reason ?? 'cancelled') }, + dispose: () => Promise.reject(new Error('dispose exploded during reap')), + }), + } + ctx.subagents.registerProvider(provider) + await ctx.plugin(WorkerWorkflowEngine, { provider: 'doomed', maxConcurrentAgents: 2 }) + const runEnds: WorkflowResultInfo[] = [] + ctx.on('workflow/end', (_info, result) => { runEnds.push(result) }) + const handle = ctx.workflows.start({ + // The stray child's start RPC reaches the host, then the script kills + // its own worker through the documented vm escape — the host must + // settle `error` with the exit diagnostics and wind the child down. + ...scripted(` + agent('doomed') + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + await new Promise(resolve => st(resolve, 200)) + proc.exit(7) + `), + parent: fakeParent(), + }) + const result = await handle.result + expect(result.stopReason).toBe('error') + expect(result.error).toContain('exit code 7') + expect(result.agentsStarted).toBe(1) + // A worker death is a stop reason like any other: workflow/end fires + // with the error outcome — for a bus observer it is the only obituary. + expect(runEnds).toEqual([{ stopReason: 'error', error: result.error, agentsStarted: 1 }]) + // Result already settled — this is the reap's promptness, not a + // cold-start race; tight explicit bound (see the helper's doc comment). + await waitFor(() => { expect(cancelled.length).toBe(1) }, 1000) + await handle.dispose() + }, 15_000) + + it('an uncaught exception inside the worker surfaces as an error result and reaps the in-flight child', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const handle = ctx.workflows.start({ + ...scripted(` + agent('in flight when the worker dies') + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + await new Promise(resolve => st(resolve, 200)) + proc.nextTick(() => { throw new Error('worker blew up') }) + await new Promise(() => {}) + `), + parent, + }) + const result = await handle.result + expect(result.stopReason).toBe('error') + expect(result.error).toContain('worker blew up') + // The reap wound the stray child down (cancel + a CLEAN dispose). + // Result already settled — this is the reap's promptness, not a + // cold-start race; tight explicit bound (see the helper's doc comment). + await waitFor(() => { + expect(provider.runs.length).toBe(1) + expect(provider.runs[0]!.disposed).toBe(true) + }, 1000) + await handle.dispose() + }, 15_000) + + it('a worker death pairs every stranded start: the synthesized cancelled agent-end precedes the error workflow/end', async () => { + const { ctx, parent, provider } = await setup({ manual: true }) + const ends: { seq: number; outcome: string }[] = [] + const order: string[] = [] + ctx.on('workflow/agent-start', (_info, agent) => { order.push(`start:${agent.seq}`) }) + ctx.on('workflow/agent-end', (_info, agent) => { + ends.push({ seq: agent.seq, outcome: agent.outcome }) + order.push(`end:${agent.seq}`) + }) + ctx.on('workflow/end', () => { order.push('run-end') }) + const handle = ctx.workflows.start({ + // Same choreography as the force-settle pairing test, but the worker + // DIES (the documented vm escape) instead of being terminated: the + // exit path must close slow's pair from the ledger too. The escaped + // setTimeout lets the already-posted messages flush before the kill. + ...scripted(` + const p = agent('slow') + await agent('fast') + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + await new Promise(resolve => st(resolve, 150)) + proc.exit(7) + `), + parent, + }) + await waitFor(() => { expect(order.filter(entry => entry.startsWith('start:')).length).toBe(2) }) + const fast = provider.runs.find(run => (run.request.prompt[0] as { text?: string }).text === 'fast')! + fast.settle(text('fast done')) + const result = await handle.result + expect(result.stopReason).toBe('error') + expect(result.error).toContain('exit code 7') + expect(ends).toEqual([ + { seq: 2, outcome: 'completed' }, + { seq: 1, outcome: 'cancelled' }, + ]) + expect(order.indexOf('run-end')).toBe(order.length - 1) + await handle.dispose() + }, 15_000) + + it('a dispose ack racing the worker death is dropped, not crashed (post after exit)', async () => { + // Slow child disposal: the ack resolves only AFTER the worker died, so + // it has nowhere to go and must be dropped silently (the workerGone + // guard in post()). + const { ctx, parent, provider } = await setup({ disposeDelayMs: 300 }) + const handle = ctx.workflows.start({ + // The STRAY child settles instantly, so its wrapper starts the slow + // host-side disposal concurrently while the script goes on to kill + // its own worker — the ack then resolves into a dead thread. + ...scripted(` + agent('stray, never awaited') + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + await new Promise(resolve => st(resolve, 150)) + proc.exit(5) + `), + parent, + }) + const result = await handle.result + expect(result.stopReason).toBe('error') + expect(result.error).toContain('exit code 5') + // Result already settled — this is the reap's promptness (bounded + // above the mock's fixed 300ms dispose delay, not a cold-start race); + // tight explicit bound (see the helper's doc comment). + await waitFor(() => { expect(provider.runs[0]!.disposed).toBe(true) }, 1000) + await handle.dispose() + }, 15_000) + + it('a worker death AFTER a cancel reports cancelled, not error', async () => { + const { ctx, parent } = await setup({ config: { provider: 'stub', disposeGraceMs: 60_000 } }) + const handle = ctx.workflows.start({ + ...scripted(` + const proc = ${ESCAPE} + const st = globalThis.constructor.constructor('return setTimeout')() + log('armed') + await new Promise(resolve => st(resolve, 400)) + proc.exit(3) + `), + parent, + }) + const logs: string[] = [] + ctx.on('workflow/log', (_info, message) => { logs.push(message) }) + await waitFor(() => { expect(logs).toContain('armed') }) + handle.cancel('stop it') + // The grace is deliberately huge: only the worker's own death (exit 3, + // unreachable by the cancel — the script ignores hooks) settles this. + const result = await handle.result + expect(result.stopReason).toBe('cancelled') + expect(result.error).toContain('stop it') + await handle.dispose() + }, 15_000) + }) + + describe('service surface', () => { + it('run ids are unique per start; the run handle and event payloads hold SEPARATE meta clones', async () => { + const { ctx, parent } = await setup() + let eventMeta: WorkflowRunInfo | undefined + ctx.on('workflow/start', (info) => { eventMeta = info }) + const first = ctx.workflows.start({ ...scripted('return 1'), parent }) + const second = ctx.workflows.start({ ...scripted('return 2'), parent }) + expect(first.id).not.toBe(second.id) + eventMeta!.meta.name = 'corrupted' + expect(second.meta.name).toBe('test-flow') + await Promise.all([first.result, second.result]) + await first.dispose() + await second.dispose() + }) + + it('unregisters ctx.workflows when the engine fiber is disposed (HMR safety), and default config runs (auto concurrency)', async () => { + const ctx = new Context() + await ctx.plugin(SubagentService) + const fiber = await ctx.plugin(WorkerWorkflowEngine, {}) + expect(ctx.get('workflows')).toBeDefined() + // A zero-agent run through the DEFAULT config exercises the auto + // concurrency resolution (cores - 2, capped) in start(). + const result = await run(ctx, fakeParent(), scripted('return 6 * 7')) + expect(result.value).toBe(42) + await fiber.dispose() + expect(ctx.get('workflows')).toBeUndefined() + }) + + it('has the class-plugin export shape (default = the engine service class)', () => { + expect(workerEngineModule.default).toBe(WorkerWorkflowEngine) + const loader = Object.create(Loader.prototype) as Loader + const unwrapped: unknown = loader.unwrapExports(workerEngineModule) + expect(unwrapped).toBe(WorkerWorkflowEngine) + }) + }) +}) diff --git a/packages/workflow/workflow-workerthread/tsconfig.json b/packages/workflow/workflow-workerthread/tsconfig.json new file mode 100644 index 0000000000..385651c192 --- /dev/null +++ b/packages/workflow/workflow-workerthread/tsconfig.json @@ -0,0 +1,39 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../../vendor/schemastery" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../util/brand" + }, + { + "path": "../../llm/llm" + }, + { + "path": "../../subagent/subagent" + }, + { + "path": "../../core/tools" + }, + { + "path": "../workflow" + } + ] +} diff --git a/packages/workflow/workflow-workerthread/tsdown.config.ts b/packages/workflow/workflow-workerthread/tsdown.config.ts new file mode 100644 index 0000000000..3102a36c1c --- /dev/null +++ b/packages/workflow/workflow-workerthread/tsdown.config.ts @@ -0,0 +1,32 @@ +import { defineConfig } from 'tsdown' + +/** + * The engine ships two runtime entries: the engine service (index) and the + * worker-thread entry (worker) the engine spawns via `new Worker`. The + * entries are JS emitted by tsc under lib/types and are bundled as two + * single-entry passes so shared modules (realm, runtime, session) are inlined + * into each instead of split into a hash-named chunk (the worker entry must + * be a self-contained file the Worker constructor can load by path). + */ +export default defineConfig([ + { + entry: ['lib/types/index.js'], + outDir: 'lib', + format: ['esm'], + platform: 'node', + target: 'es2024', + fixedExtension: false, + dts: false, + clean: false, + }, + { + entry: ['lib/types/worker.js'], + outDir: 'lib', + format: ['esm'], + platform: 'node', + target: 'es2024', + fixedExtension: false, + dts: false, + clean: false, + }, +]) diff --git a/packages/workflow/workflow/README.md b/packages/workflow/workflow/README.md new file mode 100644 index 0000000000..5ff8028b0d --- /dev/null +++ b/packages/workflow/workflow/README.md @@ -0,0 +1,29 @@ +# @deepseek-ai/dsh-workflow + +The **workflow seam** (`ctx.workflows`): an abstract service defining WHAT a workflow engine does — execute a model-written orchestration script that fans out subagents — without saying HOW. The bash-shaped third of the [workflow family](../README.md): implementations subclass `WorkflowService` and register as the `workflows` service (one per context); [`dsh-workflow-workerthread`](../workflow-workerthread/README.md) (one worker thread per run) is the implementation, and [`dsh-tool-workflow`](../tool-workflow/README.md) is the model-facing consumer. + +## Service: `WorkflowService` (abstract) + +`start(request: WorkflowStartRequest): WorkflowRun` — parse and execute a script. Throws synchronously (`SCRIPT_PARSE`/`META_INVALID`) for a script that cannot begin; once a run is returned, its `result` NEVER rejects — every failure resolves with `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, `result` settles within the implementation's bounded grace even if the script itself never settles (a consumer awaiting `result` must never be wedged past a cancellation). `dispose()` must reach quiescence within a bounded grace (cancel → wait for the script to settle and its children to finish disposing → abandon), never hanging its caller. Runs are HOLDER-owned: the engine does not track its live runs, so disposing the engine's fiber mid-run leaves each run to its holder's teardown. + +The protected `emitWorkflowEvent` helper dispatches the `workflow/*` events with PER-LISTENER containment and PER-LISTENER payload snapshots (a throwing subscriber is logged, never propagated, and cannot starve later listeners; each subscriber gets its own clone of the payload, so mutating it corrupts neither the engine nor other listeners) — the same containment guarantee as the subagent seam's lifecycle emits. + +## Vocabulary + +- `WorkflowStartRequest` — `{ script, args?, parent: Agent, signal? }`. `parent` is REQUIRED: every child the script spawns is attributed to it. `args` must be plain host-realm JSON data. +- `WorkflowMeta` / `WorkflowPhase` — the workflow's identity block, carried as plain JSON data on the start request (Claude Code meta vocabulary: required `name`/`description`, optional `whenToUse`/`phases`) and shape-validated by the engine. +- `WorkflowRun` — `{ id, meta, result, cancel(reason?), dispose() }`; the consumer awaits `result` and MUST `dispose` on every path. +- `WorkflowResult` — `{ value, stopReason: 'completed'|'cancelled'|'error', error?, agentsStarted }`; `value` is the script's materialized return (plain JSON data; `null` for no return). +- `WorkflowError` — `HarnessError` with a `WorkflowErrorCode` and a `fatal` flag driving the combinator discipline: a fatal error (bad hook arguments, unsupported options/schemas, tripped caps, seam start failures, cancellation) always propagates through `parallel()`/`pipeline()` instead of dissolving into a per-item `null`. `isFatalWorkflowError(error)` is the catch-site predicate. + +## Events + +All observe-only emits carrying DATA SNAPSHOTS (`WorkflowRunInfo` = id + meta) — never the live `WorkflowRun`, so a listener cannot gain `cancel`/`dispose`; control stays with the `start()` caller: + +- `workflow/start`(info) / `workflow/end`(info, resultInfo) — run lifecycle; `resultInfo` deliberately omits the value. +- `workflow/phase`(info, title) / `workflow/log`(info, message) — script narration. +- `workflow/agent-start`(info, agent) / `workflow/agent-end`(info, agent + outcome) — one pair per `agent()` call that STARTED a child run (a call rejected at validation or caps, refused at start, or cancelled while queued for a slot emits no pair), correlated by `seq`. + +## Non-goals (this cut) + +Background collection, journaling/resume, saved workflows, nested `workflow()`, token budgets — see the [RFC's deferred section](../../../docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md). diff --git a/packages/support/ui-stdio/package.json b/packages/workflow/workflow/package.json similarity index 74% rename from packages/support/ui-stdio/package.json rename to packages/workflow/workflow/package.json index 5d65356e79..a6c004d6d0 100644 --- a/packages/support/ui-stdio/package.json +++ b/packages/workflow/workflow/package.json @@ -1,6 +1,6 @@ { - "name": "@deepseek-ai/dsh-ui-stdio", - "description": "Minimal stdio (readline) UI plugin: renders agent/* events to stdout and feeds stdin lines to the agent", + "name": "@deepseek-ai/dsh-workflow", + "description": "Workflow capability seam: ctx.workflows service, run vocabulary, and workflow/* events", "version": "0.0.1", "private": true, "type": "module", @@ -23,15 +23,13 @@ "license": "BSD-3-Clause", "peerDependencies": { "@deepseek-ai/dsh-agent": "^0.0.1", + "@deepseek-ai/dsh-brand": "^0.0.1", "@deepseek-ai/dsh-llm": "^0.0.1", - "@deepseek-ai/dsh-session": "^0.0.1", "cordis": "^4.0.0-rc.6" }, - "dependencies": { - "schemastery": "^3.18.0" - }, "devDependencies": { "@deepseek-ai/dsh-agent": "workspace:^", + "@deepseek-ai/dsh-brand": "workspace:^", "@deepseek-ai/dsh-llm": "workspace:^", "@deepseek-ai/dsh-session": "workspace:^", "cordis": "^4.0.0-rc.6" diff --git a/packages/workflow/workflow/src/index.ts b/packages/workflow/workflow/src/index.ts new file mode 100644 index 0000000000..91caa314dc --- /dev/null +++ b/packages/workflow/workflow/src/index.ts @@ -0,0 +1,269 @@ +/** + * The workflow capability seam (`ctx.workflows`): an abstract service defining + * WHAT a workflow engine does — execute a model-written orchestration script + * that fans out subagents — without saying HOW. Implementations subclass + * {@link WorkflowService} and register as the `workflows` service (one + * implementation per context, cordis' standard duplicate-service behavior); + * the implementation is `@deepseek-ai/dsh-workflow-workerthread`, which runs each + * script in its own worker thread. Hardened engines (an isolated-vm or + * separate-process sandbox) swap in without touching the model-facing tool + * that consumes them (`@deepseek-ai/dsh-tool-workflow`). + * + * The `workflow/*` lifecycle events are OBSERVE-ONLY data snapshots: they + * carry {@link WorkflowRunInfo} (id + meta), never the live {@link WorkflowRun} + * — a listener must not gain `cancel`/`dispose`; control stays with the + * `start()` caller holding the run. Every emit is per-listener contained (a + * throwing subscriber is logged, never propagated) and every listener gets its + * own payload clone (mutating it corrupts nothing), so one bad observer can + * neither strand a live run, starve later listeners, nor poison another + * listener's view. + * + * @module @deepseek-ai/dsh-workflow + */ + +import { Context, Service } from 'cordis' +import { HarnessError } from '@deepseek-ai/dsh-llm' +import type { + WorkflowAgentEndInfo, + WorkflowAgentInfo, + WorkflowResultInfo, + WorkflowRun, + WorkflowRunInfo, + WorkflowStartRequest, +} from './types.ts' + +export { WorkflowRunId } from './types.ts' +export type { + WorkflowAgentEndInfo, + WorkflowAgentInfo, + WorkflowAgentOutcome, + WorkflowMeta, + WorkflowPhase, + WorkflowResult, + WorkflowResultInfo, + WorkflowRun, + WorkflowRunInfo, + WorkflowStartRequest, + WorkflowStopReason, +} from './types.ts' + +declare module 'cordis' { + interface Context { + workflows: WorkflowService + } + + interface Events { + /** + * A workflow run started — the script's meta block validated, the body + * about to execute. Paired with {@link Events['workflow/end']}. + * @param info - the run's identity snapshot (id + meta). + * @mode emit + */ + 'workflow/start'(info: WorkflowRunInfo): void + /** + * The script entered a phase (a `phase(title)` call) — progress grouping + * for observers; no execution semantics. + * @param info - the run's identity snapshot. + * @param title - the phase title, verbatim. + * @mode emit + */ + 'workflow/phase'(info: WorkflowRunInfo, title: string): void + /** + * The script emitted a narration line (a `log(message)` call). + * @param info - the run's identity snapshot. + * @param message - the logged message, verbatim. + * @mode emit + */ + 'workflow/log'(info: WorkflowRunInfo, message: string): void + /** + * One `agent()` call started a child run. Paired with + * {@link Events['workflow/agent-end']} by `agent.seq`. + * @param info - the run's identity snapshot. + * @param agent - the call's sequence number, label, phase, and child id. + * @mode emit + */ + 'workflow/agent-start'(info: WorkflowRunInfo, agent: WorkflowAgentInfo): void + /** + * One `agent()` call settled (clean result, child failure, or run + * cancellation). Paired with {@link Events['workflow/agent-start']} by + * `agent.seq`, exactly once per started call on every stop path — on an + * engine termination path (a worker killed past its grace) the end is + * engine-synthesized with outcome `'cancelled'`. + * @param info - the run's identity snapshot. + * @param agent - the call identity plus its outcome. + * @mode emit + */ + 'workflow/agent-end'(info: WorkflowRunInfo, agent: WorkflowAgentEndInfo): void + /** + * A workflow run settled (any stop reason). Fired when + * {@link WorkflowRun.result} resolves. Paired with + * {@link Events['workflow/start']}. + * @param info - the run's identity snapshot. + * @param result - the outcome data (stop reason, error, agent count) — + * deliberately WITHOUT the result value (see {@link WorkflowResultInfo}). + * @mode emit + */ + 'workflow/end'(info: WorkflowRunInfo, result: WorkflowResultInfo): void + } +} + +/** The full set of `workflow/*` event names {@link WorkflowService.emitWorkflowEvent} dispatches. */ +export type WorkflowEventName = + | 'workflow/start' + | 'workflow/phase' + | 'workflow/log' + | 'workflow/agent-start' + | 'workflow/agent-end' + | 'workflow/end' + +/** + * The workflow-seam error codes. Every one of these is FATAL when it reaches + * a script (see {@link WorkflowError.fatal}): the combinators re-throw it + * instead of dissolving it into an ordinary per-item `null`. + * + * - `SCRIPT_PARSE` — the script (or its meta statement) does not parse. + * - `META_INVALID` — the meta block evaluated but fails the shape contract. + * - `INVALID_ARGUMENT` — a hook was called with malformed arguments. + * - `UNSUPPORTED_OPTION` — an `agent()` option this engine does not support + * (deferred: `effort`/`isolation`/`agentType`) or does not know. + * - `UNSUPPORTED_SCHEMA` — an `agent()` schema outside the structured-output + * subset (see dsh-tools). + * - `AGENT_CAP` / `ITEM_CAP` — the run/agent caps tripped. + * - `AGENT_START` — the subagent seam refused to start a child. + * - `AGENT_RESULT` — a child's `result` REJECTED: an infrastructure fault at + * the subagent seam, distinct from a child that failed and resolved (which + * is the per-item `null`, never an error). + * - `RESULT_UNSERIALIZABLE` — a value crossing the script/host value boundary + * is not plain JSON data. + * - `CANCELLED` — the run was cancelled; pending and future hooks reject + * with this (the script-kill mechanism). + */ +export type WorkflowErrorCode = + | 'SCRIPT_PARSE' + | 'META_INVALID' + | 'INVALID_ARGUMENT' + | 'UNSUPPORTED_OPTION' + | 'UNSUPPORTED_SCHEMA' + | 'AGENT_CAP' + | 'ITEM_CAP' + | 'AGENT_START' + | 'AGENT_RESULT' + | 'RESULT_UNSERIALIZABLE' + | 'CANCELLED' + +/** + * Typed error for workflow-seam failures. Extends {@link HarnessError}, so the + * `code` is machine-routable taxonomy. `fatal` drives the combinator + * discipline: `parallel()`/`pipeline()` re-throw a fatal error (a typo'd + * option or a tripped cap must kill the script loudly), and reserve the + * per-item `null` for child-run failures and ordinary in-stage script errors. + * Every {@link WorkflowErrorCode} is fatal in this cut; the flag exists so the + * distinction is explicit at every catch site rather than implied. + */ +export class WorkflowError extends HarnessError { + /** Whether combinators must propagate this error instead of nulling the item. */ + readonly fatal: boolean + + constructor(message: string, code: WorkflowErrorCode, options?: ErrorOptions & { fatal?: boolean }) { + super(message, code, options) + this.name = 'WorkflowError' + this.fatal = options?.fatal ?? true + } +} + +/** + * Whether combinators must re-throw `error` instead of mapping the item to `null`. + * @param error - any thrown value; fatality is host `instanceof` (unforgeable from a script realm). + * @returns true iff `error` is a {@link WorkflowError} whose `fatal` flag is set. + */ +export function isFatalWorkflowError(error: unknown): boolean { + return error instanceof WorkflowError && error.fatal +} + +/** + * Abstract workflow execution service. Subclass, implement {@link start}, and + * load the subclass as a plugin — it registers as `ctx.workflows` (one + * implementation per context; loading a second throws, cordis' standard + * duplicate-service behavior). + * + * Semantics every implementation must honor: + * - {@link start} throws synchronously for a request that cannot begin (an + * unparseable script, an invalid meta block). Once it returns a + * {@link WorkflowRun}, `result` NEVER rejects — every failure resolves with + * `stopReason: 'error'` (or `'cancelled'`) — and once the run is cancelled, + * `result` SETTLES within the implementation's bounded grace even if the + * script itself never settles (a consumer awaiting `result` must never be + * wedged past a cancellation). + * - The `workflow/*` events fire through {@link emitWorkflowEvent} (data + * snapshots, per-listener containment); `workflow/end` fires exactly once + * per started run, after `result` is settled or as it settles. + * - `dispose()` reaches quiescence within a bounded grace: it cancels, waits + * for the script to settle AND its started children to finish disposing, + * and abandons whatever is left rather than hanging its caller (the engine + * documents what abandonment leaves behind). + * - Runs are HOLDER-OWNED: the engine hands control (`cancel`/`dispose`) to + * the `start()` caller and does not track its live runs — disposing the + * engine's own fiber mid-run deliberately leaves those runs to their + * holders' teardown, so an engine reload cannot yank a run out from under + * the consumer awaiting it. + */ +export abstract class WorkflowService extends Service { + constructor(ctx: Context) { + super(ctx, 'workflows') + } + + /** + * Parse and execute a workflow script. + * @param request - the script, its `args`, the parent agent, and an + * optional cancel signal. + * @returns the live run; its `result` resolves when the script settles. + */ + abstract start(request: WorkflowStartRequest): WorkflowRun + + /** + * Emit one `workflow/*` lifecycle event with PER-LISTENER containment and + * PER-LISTENER payload snapshots: each subscriber is dispatched individually + * with its OWN structural clone of the payload (the payloads are plain JSON + * data by the seam contract), so a listener mutating what it received can + * corrupt neither the engine's live state nor any other listener's or later + * event's view; a thrown listener is logged (never propagated — the logging + * itself is total, even for a thrown value whose own string coercion + * throws), so one bad subscriber can neither fail the engine mid-run, + * surface as an unhandled rejection on a detached settle hook, nor starve + * the listeners registered after it (cordis `emit` halts on the first throw + * — same guarantee as the subagent seam's lifecycle emits). + * @param name - the `workflow/*` event to dispatch. + * @param args - the event's payload, matching its declared signature. + */ + protected emitWorkflowEvent(name: WorkflowEventName, ...args: unknown[]): void { + for (const callback of this.ctx.events.dispatch('emit', [name, ...args])) { + try { + // The declared workflow/* signatures are all void-returning emits; the + // dispatch callback applies the payload tuple. + ;(callback as (...payload: unknown[]) => void)(...structuredClone(args)) + } catch (error: unknown) { + this.ctx.logger.warn(`workflow: ${name} listener threw: ${renderListenerError(error)}`) + } + } + } +} + +/** + * Total renderer for a listener-thrown value: the containment catch must never + * itself throw, and `String(error)` does when the value's own `toString` / + * `Symbol.toPrimitive` throws. Local rather than an engine package's renderer + * — the seam sits below every engine and cannot import one. + * @param error - any thrown value. + * @returns `String(error)`, or a fixed label when even coercion throws. + */ +function renderListenerError(error: unknown): string { + try { + return String(error) + } catch { + // Only a throwing toString/Symbol.toPrimitive lands here; the fixed label + // keeps the containment guarantee total. + return '[unrenderable thrown value]' + } +} + +export default WorkflowService diff --git a/packages/workflow/workflow/src/types.ts b/packages/workflow/workflow/src/types.ts new file mode 100644 index 0000000000..66da4f1268 --- /dev/null +++ b/packages/workflow/workflow/src/types.ts @@ -0,0 +1,173 @@ +/** + * Workflow seam vocabulary: the request/run/result types a workflow engine + * consumes and produces, plus the payload shapes of the `workflow/*` events. + * Types only (plus the id-brand factory), per the package convention. + * + * @module @deepseek-ai/dsh-workflow/types + */ + +import type { Branded } from '@deepseek-ai/dsh-brand' +import type { Agent, AgentId } from '@deepseek-ai/dsh-agent' + +/** Identifies one workflow run. */ +export type WorkflowRunId = Branded<'WorkflowRunId'> + +/** + * Brand a string as a {@link WorkflowRunId}. + * @param id - the raw id string (the engine mints UUIDs; tests may pass fixtures). + * @returns the same string, branded. + */ +export function WorkflowRunId(id: string): WorkflowRunId { + return id as WorkflowRunId +} + +/** + * One phase declared in a script's `meta.phases` (progress vocabulary only — + * phases group agents in observers/UIs; they impose no execution structure). + */ +export interface WorkflowPhase { + /** The phase title; `phase()` calls match against it by exact string. */ + title: string + /** Optional one-line description of what the phase does. */ + detail?: string + /** Optional model override this phase is expected to use (informational). */ + model?: string +} + +/** + * The script's identity block, provided as plain JSON data alongside the + * script body (the model-facing tool carries it as its `meta` parameter) and + * validated by the engine before the body runs. `name`/`description` are + * required; the rest is optional annotation. The field vocabulary matches the + * Claude Code dynamic-workflows meta block. + */ +export interface WorkflowMeta { + /** Short kebab-case workflow name (display + persistence key). */ + name: string + /** One-line description of what the workflow does. */ + description: string + /** Optional guidance on when this workflow applies (shown in listings). */ + whenToUse?: string + /** Optional phase declarations matched by `phase()` calls. */ + phases?: WorkflowPhase[] +} + +/** + * What a caller asks for when starting a workflow run. `meta` and `args` are + * plain JSON DATA by the seam contract (the tool builds both from the model's + * schema-validated call; the engine validates `meta`'s shape and rejects loud + * before anything runs) — an engine never evaluates script text to obtain + * them. `parent` is REQUIRED — every `agent()` the script spawns is + * attributed to it (cwd, lineage, depth flow through the subagent seam). + */ +export interface WorkflowStartRequest { + /** The plain-JS script body (top-level await allowed; ends with `return <json-value>`). */ + script: string + /** The workflow's identity block, as plain JSON data (shape-validated by the engine). */ + meta: WorkflowMeta + /** Optional input exposed verbatim to the script as the `args` global. */ + args?: unknown + /** The agent on whose behalf the run executes (parent of every child). */ + parent: Agent + /** Cancels the run when aborted (the tool's `exec.signal`). */ + signal?: AbortSignal +} + +/** + * Why a run settled. CLOSED union (engine-owned, consumers may exhaust): + * `completed` = the script ran to its final `return`; `cancelled` = the run + * was cancelled (caller `cancel()`/signal); `error` = the script threw, a + * fatal `WorkflowError` propagated, or the result failed materialization. + */ +export type WorkflowStopReason = 'completed' | 'cancelled' | 'error' + +/** + * The outcome of one run, resolved by {@link WorkflowRun.result}. `value` is + * the script's materialized return value (plain host-realm JSON data; `null` + * when the script returned `undefined`) — meaningful only for `completed`. + * A non-`completed` reason carries the failure in `error`; the consumer maps + * it to an `isError` tool result rather than reporting partial output. + */ +export interface WorkflowResult { + /** The script's return value (host JSON data; `null` for no return). */ + value: unknown + /** Why the run settled. */ + stopReason: WorkflowStopReason + /** The failure message (present iff `stopReason` is not `completed`). */ + error?: string + /** + * How many `agent()` calls the run accepted over its whole lifetime. On a + * graceful settlement this is the script-side count (calls still queued for + * a concurrency slot included); on a termination path (grace force-settle, + * worker death) it degrades to the host-observed count — calls queued + * inside a terminated script are unknowable then. + */ + agentsStarted: number +} + +/** + * The handle the consumer holds while a script executes. The consumer awaits + * `result`, may `cancel` mid-flight, and MUST `dispose` on every path. + * `result` does NOT reject — a script failure resolves with `stopReason: + * 'error'` — and once the run is cancelled it SETTLES within the engine's + * bounded grace even if the script itself never settles (the engine + * force-settles `cancelled`; what becomes of the script is engine-documented + * — the worker-thread engine terminates its worker), so a consumer awaiting + * `result` is never wedged past a cancellation. `dispose()` = cancel + that + * bounded settle + child quiescence; it never hangs on a stuck script and is + * safe to call on every path (idempotent). + */ +export interface WorkflowRun { + readonly id: WorkflowRunId + /** The validated meta block (available before the body runs). */ + readonly meta: WorkflowMeta + readonly result: Promise<WorkflowResult> + /** Cancel the run: children abort, pending hooks reject, the script dies at its next await (or is force-settled at the grace). */ + cancel(reason?: string): void + /** Cancel + bounded-grace settle; safe to call on every path (idempotent). */ + dispose(): Promise<void> +} + +/** Identifying detail for a run, carried by every `workflow/*` event (a data snapshot, never the live run). */ +export interface WorkflowRunInfo { + /** The run's id. */ + id: WorkflowRunId + /** The run's validated meta block. */ + meta: WorkflowMeta +} + +/** One `agent()` call's identity within a run (the `workflow/agent-start` payload). */ +export interface WorkflowAgentInfo { + /** 1-based sequence number of this `agent()` call within the run. */ + seq: number + /** The display label (the `label` option, or a prompt snippet). */ + label: string + /** The phase this agent belongs to (the `phase` option, else the current `phase()` title). */ + phase?: string + /** The child agent's id on the subagent seam. */ + childId: AgentId +} + +/** How one `agent()` call settled: clean result, child failure (script sees `null`), or run cancellation. */ +export type WorkflowAgentOutcome = 'completed' | 'failed' | 'cancelled' + +/** One `agent()` call's settlement (the `workflow/agent-end` payload). */ +export interface WorkflowAgentEndInfo extends WorkflowAgentInfo { + /** How the call settled. */ + outcome: WorkflowAgentOutcome +} + +/** + * A settled run's outcome as event data (the `workflow/end` payload): the + * {@link WorkflowResult} minus `value` (a listener observing outcomes must not + * receive a mutable alias of the caller's result value; a consumer that needs + * the value holds the run and awaits `result`). + */ +export interface WorkflowResultInfo { + /** Why the run settled. */ + stopReason: WorkflowStopReason + /** The failure message (present iff `stopReason` is not `completed`). */ + error?: string + /** How many `agent()` calls the run accepted (see {@link WorkflowResult.agentsStarted}). */ + agentsStarted: number +} diff --git a/packages/workflow/workflow/tests/workflow.spec.ts b/packages/workflow/workflow/tests/workflow.spec.ts new file mode 100644 index 0000000000..a983e5a2b3 --- /dev/null +++ b/packages/workflow/workflow/tests/workflow.spec.ts @@ -0,0 +1,124 @@ +import { describe, expect, it, vi } from 'vitest' +import { Context } from 'cordis' +import WorkflowServiceDefault, { + isFatalWorkflowError, + WorkflowError, + WorkflowRunId, + WorkflowService, +} from '../src/index.ts' +import type { WorkflowRun, WorkflowRunInfo, WorkflowStartRequest } from '../src/index.ts' + +/** A minimal concrete subclass exposing the protected emit helper for tests. */ +class StubEngine extends WorkflowService { + start(request: WorkflowStartRequest): WorkflowRun { + void request + throw new Error('not under test') + } + + emit(name: Parameters<WorkflowService['emitWorkflowEvent']>[0], ...args: unknown[]): void { + this.emitWorkflowEvent(name, ...args) + } +} + +const INFO: WorkflowRunInfo = { id: WorkflowRunId('run-1'), meta: { name: 'w', description: 'd' } } + +describe('dsh-workflow (interface)', () => { + it('WorkflowRunId brands a string (identity at runtime)', () => { + expect(WorkflowRunId('abc')).toBe('abc') + }) + + it('WorkflowError carries code + fatal (default true) and reads as a HarnessError', () => { + const error = new WorkflowError('cap hit', 'AGENT_CAP') + expect(error.code).toBe('AGENT_CAP') + expect(error.fatal).toBe(true) + expect(error.name).toBe('WorkflowError') + const soft = new WorkflowError('advisory', 'ITEM_CAP', { fatal: false }) + expect(soft.fatal).toBe(false) + }) + + it('isFatalWorkflowError: true only for a fatal WorkflowError', () => { + expect(isFatalWorkflowError(new WorkflowError('x', 'CANCELLED'))).toBe(true) + expect(isFatalWorkflowError(new WorkflowError('x', 'CANCELLED', { fatal: false }))).toBe(false) + expect(isFatalWorkflowError(new Error('plain'))).toBe(false) + expect(isFatalWorkflowError('string')).toBe(false) + }) + + it('registers as ctx.workflows and unregisters when its fiber is disposed (HMR safety)', async () => { + const ctx = new Context() + const fiber = await ctx.plugin(StubEngine) + expect(ctx.get('workflows')).toBeInstanceOf(StubEngine) + await fiber.dispose() + expect(ctx.get('workflows')).toBeUndefined() + }) + + it('emitWorkflowEvent dispatches to every listener with the payload tuple', async () => { + const ctx = new Context() + await ctx.plugin(StubEngine) + const seen: unknown[][] = [] + ctx.on('workflow/log', (info, message) => { seen.push([info, message]) }) + ctx.on('workflow/agent-start', (info, agent) => { seen.push([info, agent]) }) + const engine = ctx.workflows as StubEngine + engine.emit('workflow/log', INFO, 'hello') + engine.emit('workflow/agent-start', INFO, { seq: 1, label: 'l', childId: 'c' }) + expect(seen).toEqual([ + [INFO, 'hello'], + [INFO, { seq: 1, label: 'l', childId: 'c' }], + ]) + }) + + it('gives each listener its OWN payload snapshot: mutation corrupts neither peers nor the caller', async () => { + const ctx = new Context() + await ctx.plugin(StubEngine) + const seen: string[] = [] + ctx.on('workflow/agent-start', (info, agent) => { + agent.label = 'HACKED' + info.meta.name = 'HACKED' + seen.push('mutator') + }) + ctx.on('workflow/agent-start', (info, agent) => { + seen.push(`${info.meta.name}/${agent.label}`) + }) + const engine = ctx.workflows as StubEngine + const info: WorkflowRunInfo = { id: WorkflowRunId('run-2'), meta: { name: 'w', description: 'd' } } + const payload = { seq: 1, label: 'original', childId: 'c' } + engine.emit('workflow/agent-start', info, payload) + expect(seen).toEqual(['mutator', 'w/original']) + // The caller's own objects are pristine too — no listener ever saw them. + expect(info.meta.name).toBe('w') + expect(payload.label).toBe('original') + }) + + it('contains a throwing listener PER LISTENER: later listeners still run, nothing propagates', async () => { + const ctx = new Context() + await ctx.plugin(StubEngine) + const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => ctx.logger) + const reached: string[] = [] + ctx.on('workflow/phase', () => { throw new Error('bad listener') }) + ctx.on('workflow/phase', (_info, title) => { reached.push(title) }) + const engine = ctx.workflows as StubEngine + expect(() => { engine.emit('workflow/phase', INFO, 'Scan') }).not.toThrow() + expect(reached).toEqual(['Scan']) + expect(warn).toHaveBeenCalledOnce() + expect(String(warn.mock.calls[0]![0])).toContain('workflow/phase listener threw') + }) + + it('containment is total: a listener throwing a value whose coercion throws neither propagates nor starves later listeners', async () => { + const ctx = new Context() + await ctx.plugin(StubEngine) + const warn = vi.spyOn(ctx.logger, 'warn').mockImplementation(() => ctx.logger) + const reached: string[] = [] + ctx.on('workflow/phase', () => { + throw { toString: () => { throw new Error('coercion trap') } } + }) + ctx.on('workflow/phase', (_info, title) => { reached.push(title) }) + const engine = ctx.workflows as StubEngine + expect(() => { engine.emit('workflow/phase', INFO, 'Scan') }).not.toThrow() + expect(reached).toEqual(['Scan']) + expect(warn).toHaveBeenCalledOnce() + expect(String(warn.mock.calls[0]![0])).toContain('[unrenderable thrown value]') + }) + + it('has the expected export surface (default = the abstract service class)', () => { + expect(WorkflowServiceDefault).toBe(WorkflowService) + }) +}) diff --git a/packages/workflow/workflow/tsconfig.json b/packages/workflow/workflow/tsconfig.json new file mode 100644 index 0000000000..6ec42e0bfe --- /dev/null +++ b/packages/workflow/workflow/tsconfig.json @@ -0,0 +1,27 @@ +{ + "extends": "../../../tsconfig.base.json", + "compilerOptions": { + "rootDir": "src", + "outDir": "lib/types" + }, + "include": [ + "src" + ], + "references": [ + { + "path": "../../../vendor/cosmokit" + }, + { + "path": "../../../vendor/cordis" + }, + { + "path": "../../core/agent" + }, + { + "path": "../../util/brand" + }, + { + "path": "../../llm/llm" + } + ] +} diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml index 8045aa9cc3..8bc2ed1495 100644 --- a/pnpm-lock.yaml +++ b/pnpm-lock.yaml @@ -14,12 +14,15 @@ importers: '@stylistic/eslint-plugin': specifier: ^5.10.0 version: 5.10.0(eslint@10.5.0(jiti@2.7.0)) + '@types/jsdom': + specifier: ^28.0.3 + version: 28.0.3 '@types/mdast': specifier: ^4.0.4 version: 4.0.4 '@types/node': - specifier: ^25.3.5 - version: 25.9.3 + specifier: ^22.20.0 + version: 22.20.0 '@vitest/coverage-v8': specifier: ^4.1.8 version: 4.1.8(vitest@4.1.8) @@ -29,6 +32,9 @@ importers: fast-check: specifier: ^4.8.0 version: 4.8.0 + jsdom: + specifier: 29.1.1 + version: 29.1.1 knip: specifier: ^6.16.1 version: 6.16.1 @@ -41,6 +47,9 @@ importers: mdast-util-gfm: specifier: ^3.1.0 version: 3.1.0 + mermaid: + specifier: 11.16.0 + version: 11.16.0 micromark-extension-gfm: specifier: ^3.0.0 version: 3.0.0 @@ -61,16 +70,47 @@ importers: version: 8.61.0(eslint@10.5.0(jiti@2.7.0))(typescript@6.0.3) vite-tsconfig-paths: specifier: ^6.1.1 - version: 6.1.1(typescript@6.0.3)(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) + version: 6.1.1(typescript@6.0.3)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) vitest: specifier: ^4.1.8 - version: 4.1.8(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) + version: 4.1.8(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) + + packages/ui/user-approval: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-brand': + specifier: workspace:^ + version: link:../../util/brand + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + '@deepseek-ai/dsh-system-prompt': + specifier: workspace:^ + version: link:../../core/system-prompt + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) packages/bash/bash: devDependencies: '@deepseek-ai/dsh-brand': specifier: workspace:^ version: link:../../util/brand + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../../sandbox/sandbox + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -84,10 +124,38 @@ importers: '@deepseek-ai/dsh-bash': specifier: workspace:^ version: link:../bash + '@deepseek-ai/dsh-timeout': + specifier: workspace:^ + version: link:../../util/timeout cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/bash/bash-sandbox: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-bash': + specifier: workspace:^ + version: link:../bash + '@deepseek-ai/dsh-bash-local': + specifier: workspace:^ + version: link:../bash-local + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../../sandbox/sandbox + '@deepseek-ai/dsh-sandbox-local': + specifier: workspace:^ + version: link:../../sandbox/sandbox-local + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + node-addon-landlock-run: + specifier: 0.0.0-test.0 + version: 0.0.0-test.0 + packages/bash/tool-bash: devDependencies: '@deepseek-ai/dsh-agent': @@ -96,15 +164,27 @@ importers: '@deepseek-ai/dsh-agent-loop': specifier: workspace:^ version: link:../../core/agent-loop + '@deepseek-ai/dsh-user-approval': + specifier: workspace:^ + version: link:../../ui/user-approval '@deepseek-ai/dsh-bash': specifier: workspace:^ version: link:../bash '@deepseek-ai/dsh-bash-local': specifier: workspace:^ version: link:../bash-local + '@deepseek-ai/dsh-bash-sandbox': + specifier: workspace:^ + version: link:../bash-sandbox '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../../sandbox/sandbox + '@deepseek-ai/dsh-sandbox-local': + specifier: workspace:^ + version: link:../../sandbox/sandbox-local '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../../core/session @@ -118,6 +198,25 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/code-runtime/code-runtime: + devDependencies: + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/code-runtime/code-runtime-worker: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-code-runtime': + specifier: workspace:^ + version: link:../code-runtime + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/compact/compact: devDependencies: '@deepseek-ai/dsh-llm': @@ -160,6 +259,40 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/cordis/tool-cordis: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@cordisjs/plugin-loader': + specifier: ^1.0.0-rc.4 + version: 1.0.0-rc.4(cordis@4.0.0-rc.6) + '@cordisjs/plugin-timer': + specifier: workspace:^ + version: link:../../../vendor/timer + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-agent-loop': + specifier: workspace:^ + version: link:../../core/agent-loop + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + '@deepseek-ai/dsh-system-prompt': + specifier: workspace:^ + version: link:../../core/system-prompt + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../../core/tools + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/core/agent: devDependencies: '@deepseek-ai/dsh-brand': @@ -171,11 +304,18 @@ importers: '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../session + '@deepseek-ai/dsh-system-prompt': + specifier: workspace:^ + version: link:../system-prompt cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) packages/core/agent-core: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 devDependencies: '@cordisjs/plugin-timer': specifier: workspace:^ @@ -195,12 +335,21 @@ importers: '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../session + '@deepseek-ai/dsh-skill': + specifier: workspace:^ + version: link:../../skill/skill + '@deepseek-ai/dsh-skill-local': + specifier: workspace:^ + version: link:../../skill/skill-local '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../system-prompt '@deepseek-ai/dsh-tool-bash': specifier: workspace:^ version: link:../../bash/tool-bash + '@deepseek-ai/dsh-tool-skill': + specifier: workspace:^ + version: link:../../skill/tool-skill '@deepseek-ai/dsh-tools': specifier: workspace:^ version: link:../tools @@ -255,6 +404,10 @@ importers: version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) packages/core/system-prompt: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 devDependencies: '@deepseek-ai/dsh-llm': specifier: workspace:^ @@ -264,13 +417,26 @@ importers: version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) packages/core/tools: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 devDependencies: '@deepseek-ai/dsh-agent': specifier: workspace:^ version: link:../agent + '@deepseek-ai/dsh-user-approval': + specifier: workspace:^ + version: link:../../ui/user-approval + '@deepseek-ai/dsh-code-runtime': + specifier: workspace:^ + version: link:../../code-runtime/code-runtime '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../session '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../system-prompt @@ -323,6 +489,9 @@ importers: diff: specifier: ^9.0.0 version: 9.0.0 + schemastery: + specifier: ^3.18.0 + version: 3.18.0 devDependencies: '@deepseek-ai/dsh-agent': specifier: workspace:^ @@ -358,6 +527,34 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/guard/repeat-tool-guard: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-agent-loop': + specifier: workspace:^ + version: link:../../core/agent-loop + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-session': + specifier: workspace:^ + version: link:../../core/session + '@deepseek-ai/dsh-system-prompt': + specifier: workspace:^ + version: link:../../core/system-prompt + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../../core/tools + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/hooks/hook-protocol: devDependencies: '@deepseek-ai/dsh-bash': @@ -488,6 +685,34 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/sandbox/sandbox: + devDependencies: + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/sandbox/sandbox-local: + dependencies: + node-addon-landlock-run: + specifier: 0.0.0-test.0 + version: 0.0.0-test.0 + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../sandbox + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/session-persistence/session-persistence: devDependencies: '@deepseek-ai/dsh-session': @@ -529,6 +754,60 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/skill/skill: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/skill/skill-local: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + yaml: + specifier: ^2.4.2 + version: 2.9.0 + devDependencies: + '@deepseek-ai/dsh-fs': + specifier: workspace:^ + version: link:../../fs/fs + '@deepseek-ai/dsh-skill': + specifier: workspace:^ + version: link:../skill + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + + packages/skill/tool-skill: + dependencies: + schemastery: + specifier: ^3.18.0 + version: 3.18.0 + devDependencies: + '@deepseek-ai/dsh-agent': + specifier: workspace:^ + version: link:../../core/agent + '@deepseek-ai/dsh-llm': + specifier: workspace:^ + version: link:../../llm/llm + '@deepseek-ai/dsh-skill': + specifier: workspace:^ + version: link:../skill + '@deepseek-ai/dsh-skill-local': + specifier: workspace:^ + version: link:../skill-local + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../../core/tools + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/subagent/subagent: devDependencies: '@deepseek-ai/dsh-agent': @@ -565,6 +844,9 @@ importers: '@deepseek-ai/dsh-subagent': specifier: workspace:^ version: link:../subagent + '@deepseek-ai/dsh-subagent-subprocess': + specifier: workspace:^ + version: link:../subagent-subprocess cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -694,6 +976,12 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/subagent/subagent-subprocess: + devDependencies: + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/subagent/tool-subagent: dependencies: schemastery: @@ -725,6 +1013,22 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/support/acp-snapshot: + dependencies: + '@agentclientprotocol/sdk': + specifier: 0.25.1 + version: 0.25.1(zod@4.4.3) + tsx: + specifier: ^4.22.4 + version: 4.22.4 + vitest: + specifier: ^4.1.8 + version: 4.1.8(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) + devDependencies: + cordis: + specifier: ^4.0.0-rc.6 + version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) + packages/support/invariants: devDependencies: '@deepseek-ai/dsh-agent': @@ -774,21 +1078,17 @@ importers: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) - packages/support/ui-stdio: - dependencies: - schemastery: - specifier: ^3.18.0 - version: 3.18.0 + packages/timeout/timeout-policy: devDependencies: - '@deepseek-ai/dsh-agent': - specifier: workspace:^ - version: link:../../core/agent '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm - '@deepseek-ai/dsh-session': + '@deepseek-ai/dsh-timeout': specifier: workspace:^ - version: link:../../core/session + version: link:../../util/timeout + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../../core/tools cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -835,6 +1135,12 @@ importers: '@deepseek-ai/dsh-agent-loop': specifier: workspace:^ version: link:../../core/agent-loop + '@deepseek-ai/dsh-user-approval': + specifier: workspace:^ + version: link:../user-approval + '@deepseek-ai/dsh-bash': + specifier: workspace:^ + version: link:../../bash/bash '@deepseek-ai/dsh-bash-local': specifier: workspace:^ version: link:../../bash/bash-local @@ -844,9 +1150,15 @@ importers: '@deepseek-ai/dsh-fs-policy': specifier: workspace:^ version: link:../../fs/fs-policy + '@deepseek-ai/dsh-invariants': + specifier: workspace:^ + version: link:../../support/invariants '@deepseek-ai/dsh-llm': specifier: workspace:^ version: link:../../llm/llm + '@deepseek-ai/dsh-sandbox': + specifier: workspace:^ + version: link:../../sandbox/sandbox '@deepseek-ai/dsh-session': specifier: workspace:^ version: link:../../core/session @@ -859,6 +1171,9 @@ importers: '@deepseek-ai/dsh-system-prompt': specifier: workspace:^ version: link:../../core/system-prompt + '@deepseek-ai/dsh-tool-ask-user': + specifier: workspace:^ + version: link:../tool-ask-user '@deepseek-ai/dsh-tool-bash': specifier: workspace:^ version: link:../../bash/tool-bash @@ -871,6 +1186,9 @@ importers: '@deepseek-ai/dsh-tools': specifier: workspace:^ version: link:../../core/tools + '@deepseek-ai/dsh-user-interaction': + specifier: workspace:^ + version: link:../user-interaction cordis: specifier: ^4.0.0-rc.6 version: 4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4) @@ -889,9 +1207,21 @@ importers: '@deepseek-ai/dsh-agent-core': specifier: workspace:^ version: link:../../core/agent-core + '@deepseek-ai/dsh-app-boot': + specifier: workspace:^ + version: link:../app-boot '@deepseek-ai/dsh-session-persistence-jsonl': specifier: workspace:^ version: link:../../session-persistence/session-persistence-jsonl + '@deepseek-ai/dsh-system-prompt': + specifier: workspace:^ + version: link:../../core/system-prompt + '@deepseek-ai/dsh-tools': + specifier: workspace:^ + version: link:../../core/tools + '@deepseek-ai/dsh-user-interaction': + specifier: 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'@csstools/css-syntax-patches-for-csstree@1.1.6(css-tree@3.2.1)': + optionalDependencies: + css-tree: 3.2.1 + + '@csstools/css-tokenizer@4.0.0': {} + '@earendil-works/pi-ai@0.79.3(ws@8.21.0)(zod@4.4.3)': dependencies: '@anthropic-ai/sdk': 0.91.1(zod@4.4.3) @@ -3903,6 +5024,8 @@ snapshots: '@eslint/core': 1.2.1 levn: 0.4.1 + '@exodus/bytes@1.15.1': {} + '@google/genai@1.52.0': dependencies: google-auth-library: 10.7.0 @@ -3930,6 +5053,14 @@ snapshots: '@humanwhocodes/retry@0.4.3': {} + '@iconify/types@2.0.0': {} + + '@iconify/utils@3.1.3': + dependencies: + '@antfu/install-pkg': 1.1.0 + '@iconify/types': 2.0.0 + import-meta-resolve: 4.2.0 + '@jridgewell/gen-mapping@0.3.13': dependencies: '@jridgewell/sourcemap-codec': 1.5.5 @@ -3944,6 +5075,10 @@ snapshots: '@jridgewell/resolve-uri': 3.1.2 '@jridgewell/sourcemap-codec': 1.5.5 + '@mermaid-js/parser@1.2.0': + dependencies: + '@chevrotain/types': 11.1.2 + '@mistralai/mistralai@2.2.1': dependencies: ws: 8.21.0 @@ -4302,6 +5437,123 @@ snapshots: '@types/deep-eql': 4.0.2 assertion-error: 2.0.1 + '@types/d3-array@3.2.2': {} + + '@types/d3-axis@3.0.6': + dependencies: + '@types/d3-selection': 3.0.11 + + '@types/d3-brush@3.0.6': + dependencies: + '@types/d3-selection': 3.0.11 + + '@types/d3-chord@3.0.6': {} + + '@types/d3-color@3.1.3': {} + + '@types/d3-contour@3.0.6': + dependencies: + '@types/d3-array': 3.2.2 + '@types/geojson': 7946.0.16 + + '@types/d3-delaunay@6.0.4': {} + + '@types/d3-dispatch@3.0.7': {} + + '@types/d3-drag@3.0.7': + dependencies: + '@types/d3-selection': 3.0.11 + + '@types/d3-dsv@3.0.7': {} + + '@types/d3-ease@3.0.2': {} + + '@types/d3-fetch@3.0.7': + dependencies: + '@types/d3-dsv': 3.0.7 + + '@types/d3-force@3.0.10': {} + + '@types/d3-format@3.0.4': {} + + '@types/d3-geo@3.1.0': + dependencies: + '@types/geojson': 7946.0.16 + + '@types/d3-hierarchy@3.1.7': {} + + '@types/d3-interpolate@3.0.4': + dependencies: + '@types/d3-color': 3.1.3 + + '@types/d3-path@3.1.1': {} + + '@types/d3-polygon@3.0.2': {} + + '@types/d3-quadtree@3.0.6': {} + + '@types/d3-random@3.0.3': {} + + '@types/d3-scale-chromatic@3.1.0': {} + + '@types/d3-scale@4.0.9': + dependencies: + '@types/d3-time': 3.0.4 + + '@types/d3-selection@3.0.11': {} + + '@types/d3-shape@3.1.8': + dependencies: + '@types/d3-path': 3.1.1 + + '@types/d3-time-format@4.0.3': {} + + '@types/d3-time@3.0.4': {} + + '@types/d3-timer@3.0.2': {} + + '@types/d3-transition@3.0.9': + dependencies: + '@types/d3-selection': 3.0.11 + + '@types/d3-zoom@3.0.8': + dependencies: + '@types/d3-interpolate': 3.0.4 + '@types/d3-selection': 3.0.11 + + '@types/d3@7.4.3': + dependencies: + '@types/d3-array': 3.2.2 + '@types/d3-axis': 3.0.6 + '@types/d3-brush': 3.0.6 + '@types/d3-chord': 3.0.6 + '@types/d3-color': 3.1.3 + '@types/d3-contour': 3.0.6 + '@types/d3-delaunay': 6.0.4 + '@types/d3-dispatch': 3.0.7 + '@types/d3-drag': 3.0.7 + '@types/d3-dsv': 3.0.7 + '@types/d3-ease': 3.0.2 + '@types/d3-fetch': 3.0.7 + '@types/d3-force': 3.0.10 + '@types/d3-format': 3.0.4 + '@types/d3-geo': 3.1.0 + '@types/d3-hierarchy': 3.1.7 + '@types/d3-interpolate': 3.0.4 + '@types/d3-path': 3.1.1 + '@types/d3-polygon': 3.0.2 + '@types/d3-quadtree': 3.0.6 + '@types/d3-random': 3.0.3 + '@types/d3-scale': 4.0.9 + '@types/d3-scale-chromatic': 3.1.0 + '@types/d3-selection': 3.0.11 + '@types/d3-shape': 3.1.8 + '@types/d3-time': 3.0.4 + '@types/d3-time-format': 4.0.3 + '@types/d3-timer': 3.0.2 + '@types/d3-transition': 3.0.9 + '@types/d3-zoom': 3.0.8 + '@types/debug@4.1.13': dependencies: '@types/ms': 2.1.0 @@ -4312,6 +5564,15 @@ snapshots: '@types/estree@1.0.9': {} + '@types/geojson@7946.0.16': {} + + '@types/jsdom@28.0.3': + dependencies: + '@types/node': 25.9.3 + '@types/tough-cookie': 4.0.5 + parse5: 8.0.1 + undici-types: 7.24.6 + '@types/jsesc@2.5.1': {} '@types/json-schema@7.0.15': {} @@ -4322,6 +5583,10 @@ snapshots: '@types/ms@2.1.0': {} + '@types/node@22.20.0': + dependencies: + undici-types: 6.21.0 + '@types/node@25.9.3': dependencies: undici-types: 7.24.6 @@ -4330,6 +5595,11 @@ snapshots: '@types/retry@0.12.0': {} + '@types/tough-cookie@4.0.5': {} + + '@types/trusted-types@2.0.7': + optional: true + '@types/unist@3.0.3': {} '@typescript-eslint/eslint-plugin@8.61.0(@typescript-eslint/parser@8.61.0(eslint@10.5.0(jiti@2.7.0))(typescript@6.0.3))(eslint@10.5.0(jiti@2.7.0))(typescript@6.0.3)': @@ -4423,6 +5693,11 @@ snapshots: '@typescript-eslint/types': 8.61.0 eslint-visitor-keys: 5.0.1 + '@upsetjs/venn.js@2.0.0': + optionalDependencies: + d3-selection: 3.0.0 + d3-transition: 3.0.1(d3-selection@3.0.0) + '@vitest/coverage-v8@4.1.8(vitest@4.1.8)': dependencies: '@bcoe/v8-coverage': 1.0.2 @@ -4435,7 +5710,7 @@ snapshots: obug: 2.1.3 std-env: 4.1.0 tinyrainbow: 3.1.0 - vitest: 4.1.8(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) + vitest: 4.1.8(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) '@vitest/expect@4.1.8': dependencies: @@ -4446,6 +5721,14 @@ snapshots: chai: 6.2.2 tinyrainbow: 3.1.0 + '@vitest/mocker@4.1.8(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))': + dependencies: + '@vitest/spy': 4.1.8 + estree-walker: 3.0.3 + magic-string: 0.30.21 + optionalDependencies: + vite: 8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0) + '@vitest/mocker@4.1.8(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0))': dependencies: '@vitest/spy': 4.1.8 @@ -4517,6 +5800,10 @@ snapshots: base64-js@1.5.1: {} + bidi-js@1.0.3: + dependencies: + require-from-string: 2.0.2 + bignumber.js@9.3.1: {} birpc@4.0.0: {} @@ -4541,6 +5828,10 @@ snapshots: dependencies: readdirp: 4.1.2 + commander@7.2.0: {} + + commander@8.3.0: {} + convert-source-map@2.0.0: {} cordis@4.0.0-rc.6(@cordisjs/plugin-include@1.0.4)(@cordisjs/plugin-loader@1.0.0-rc.4): @@ -4559,6 +5850,14 @@ snapshots: '@cordisjs/plugin-include': link:vendor/include '@cordisjs/plugin-loader': link:vendor/loader + cose-base@1.0.3: + dependencies: + layout-base: 1.0.2 + + cose-base@2.2.0: + dependencies: + layout-base: 2.0.1 + cosmokit@1.8.1: {} cross-spawn@7.0.6: @@ -4567,12 +5866,212 @@ snapshots: shebang-command: 2.0.0 which: 2.0.2 + css-tree@3.2.1: + dependencies: + mdn-data: 2.27.1 + source-map-js: 1.2.1 + + cytoscape-cose-bilkent@4.1.0(cytoscape@3.34.0): + dependencies: + cose-base: 1.0.3 + cytoscape: 3.34.0 + + cytoscape-fcose@2.2.0(cytoscape@3.34.0): + dependencies: + cose-base: 2.2.0 + cytoscape: 3.34.0 + + cytoscape@3.34.0: {} + + d3-array@2.12.1: + dependencies: + internmap: 1.0.1 + + d3-array@3.2.4: + dependencies: + internmap: 2.0.3 + + d3-axis@3.0.0: {} + + d3-brush@3.0.0: + dependencies: + d3-dispatch: 3.0.1 + d3-drag: 3.0.0 + d3-interpolate: 3.0.1 + d3-selection: 3.0.0 + d3-transition: 3.0.1(d3-selection@3.0.0) + + d3-chord@3.0.1: + dependencies: + d3-path: 3.1.0 + + d3-color@3.1.0: {} + + d3-contour@4.0.2: + dependencies: + d3-array: 3.2.4 + + d3-delaunay@6.0.4: + dependencies: + delaunator: 5.1.0 + + d3-dispatch@3.0.1: {} + + d3-drag@3.0.0: + dependencies: + d3-dispatch: 3.0.1 + d3-selection: 3.0.0 + + d3-dsv@3.0.1: + dependencies: + commander: 7.2.0 + iconv-lite: 0.6.3 + rw: 1.3.3 + + d3-ease@3.0.1: {} + + d3-fetch@3.0.1: + dependencies: + d3-dsv: 3.0.1 + + d3-force@3.0.0: + dependencies: + d3-dispatch: 3.0.1 + d3-quadtree: 3.0.1 + d3-timer: 3.0.1 + + d3-format@3.1.2: {} + + d3-geo@3.1.1: + dependencies: + d3-array: 3.2.4 + + d3-hierarchy@3.1.2: {} + + d3-interpolate@3.0.1: + dependencies: + d3-color: 3.1.0 + + d3-path@1.0.9: {} + + d3-path@3.1.0: {} + + d3-polygon@3.0.1: {} + + d3-quadtree@3.0.1: {} + + d3-random@3.0.1: {} + + d3-sankey@0.12.3: + dependencies: + d3-array: 2.12.1 + d3-shape: 1.3.7 + + d3-scale-chromatic@3.1.0: + dependencies: + d3-color: 3.1.0 + d3-interpolate: 3.0.1 + + d3-scale@4.0.2: + dependencies: + d3-array: 3.2.4 + d3-format: 3.1.2 + d3-interpolate: 3.0.1 + d3-time: 3.1.0 + d3-time-format: 4.1.0 + + d3-selection@3.0.0: {} + + d3-shape@1.3.7: + dependencies: + d3-path: 1.0.9 + + d3-shape@3.2.0: + dependencies: + d3-path: 3.1.0 + + d3-time-format@4.1.0: + dependencies: + d3-time: 3.1.0 + + d3-time@3.1.0: + dependencies: + d3-array: 3.2.4 + + d3-timer@3.0.1: {} + + d3-transition@3.0.1(d3-selection@3.0.0): + dependencies: + d3-color: 3.1.0 + d3-dispatch: 3.0.1 + d3-ease: 3.0.1 + d3-interpolate: 3.0.1 + d3-selection: 3.0.0 + d3-timer: 3.0.1 + + d3-zoom@3.0.0: + dependencies: + d3-dispatch: 3.0.1 + d3-drag: 3.0.0 + d3-interpolate: 3.0.1 + d3-selection: 3.0.0 + d3-transition: 3.0.1(d3-selection@3.0.0) + + d3@7.9.0: + dependencies: + d3-array: 3.2.4 + d3-axis: 3.0.0 + d3-brush: 3.0.0 + d3-chord: 3.0.1 + d3-color: 3.1.0 + d3-contour: 4.0.2 + d3-delaunay: 6.0.4 + d3-dispatch: 3.0.1 + d3-drag: 3.0.0 + d3-dsv: 3.0.1 + d3-ease: 3.0.1 + d3-fetch: 3.0.1 + d3-force: 3.0.0 + d3-format: 3.1.2 + d3-geo: 3.1.1 + d3-hierarchy: 3.1.2 + d3-interpolate: 3.0.1 + d3-path: 3.1.0 + d3-polygon: 3.0.1 + d3-quadtree: 3.0.1 + d3-random: 3.0.1 + d3-scale: 4.0.2 + d3-scale-chromatic: 3.1.0 + d3-selection: 3.0.0 + d3-shape: 3.2.0 + d3-time: 3.1.0 + d3-time-format: 4.1.0 + d3-timer: 3.0.1 + d3-transition: 3.0.1(d3-selection@3.0.0) + d3-zoom: 3.0.0 + + dagre-d3-es@7.0.14: + dependencies: + d3: 7.9.0 + lodash-es: 4.18.1 + data-uri-to-buffer@4.0.1: {} + data-urls@7.0.0: + dependencies: + whatwg-mimetype: 5.0.0 + whatwg-url: 16.0.1 + transitivePeerDependencies: + - '@noble/hashes' + + dayjs@1.11.21: {} + debug@4.4.3: dependencies: ms: 2.1.3 + decimal.js@10.6.0: {} + decode-named-character-reference@1.3.0: dependencies: character-entities: 2.0.2 @@ -4581,6 +6080,10 @@ snapshots: defu@6.1.7: {} + delaunator@5.1.0: + dependencies: + robust-predicates: 3.0.3 + dequal@2.0.3: {} detect-libc@2.1.2: {} @@ -4591,6 +6094,10 @@ snapshots: diff@9.0.0: {} + dompurify@3.4.11: + optionalDependencies: + '@types/trusted-types': 2.0.7 + dts-resolver@3.0.0(oxc-resolver@11.20.0): optionalDependencies: oxc-resolver: 11.20.0 @@ -4601,8 +6108,12 @@ snapshots: empathic@2.0.1: {} + entities@8.0.0: {} + es-module-lexer@2.1.0: {} + es-toolkit@1.49.0: {} + esbuild@0.28.1: optionalDependencies: '@esbuild/aix-ppc64': 0.28.1 @@ -4823,10 +6334,18 @@ snapshots: google-logging-utils@1.1.3: {} + hachure-fill@0.5.2: {} + has-flag@4.0.0: {} hookable@6.1.1: {} + html-encoding-sniffer@6.0.0: + dependencies: + '@exodus/bytes': 1.15.1 + transitivePeerDependencies: + - '@noble/hashes' + html-escaper@2.0.2: {} http-proxy-agent@7.0.2: @@ -4843,20 +6362,32 @@ snapshots: transitivePeerDependencies: - supports-color + iconv-lite@0.6.3: + dependencies: + safer-buffer: 2.1.2 + ignore@5.3.2: {} ignore@7.0.5: {} + import-meta-resolve@4.2.0: {} + import-without-cache@0.4.0: {} imurmurhash@0.1.4: {} + internmap@1.0.1: {} + + internmap@2.0.3: {} + is-extglob@2.1.1: {} is-glob@4.0.3: dependencies: is-extglob: 2.1.1 + is-potential-custom-element-name@1.0.1: {} + isexe@2.0.0: {} istanbul-lib-coverage@3.2.2: {} @@ -4882,6 +6413,32 @@ snapshots: dependencies: argparse: 2.0.1 + jsdom@29.1.1: + dependencies: + '@asamuzakjp/css-color': 5.1.11 + '@asamuzakjp/dom-selector': 7.1.1 + '@bramus/specificity': 2.4.2 + '@csstools/css-syntax-patches-for-csstree': 1.1.6(css-tree@3.2.1) + '@exodus/bytes': 1.15.1 + css-tree: 3.2.1 + data-urls: 7.0.0 + decimal.js: 10.6.0 + html-encoding-sniffer: 6.0.0 + is-potential-custom-element-name: 1.0.1 + lru-cache: 11.5.1 + parse5: 8.0.1 + saxes: 6.0.0 + symbol-tree: 3.2.4 + tough-cookie: 6.0.1 + undici: 7.28.0 + w3c-xmlserializer: 5.0.0 + webidl-conversions: 8.0.1 + whatwg-mimetype: 5.0.0 + whatwg-url: 16.0.1 + xml-name-validator: 5.0.0 + transitivePeerDependencies: + - '@noble/hashes' + jsesc@3.1.0: {} json-bigint@1.0.0: @@ -4910,10 +6467,16 @@ snapshots: jwa: 2.0.1 safe-buffer: 5.2.1 + katex@0.16.47: + dependencies: + commander: 8.3.0 + keyv@4.5.4: dependencies: json-buffer: 3.0.1 + khroma@2.1.0: {} + knip@6.16.1: dependencies: fdir: 6.5.0(picomatch@4.0.4) @@ -4930,6 +6493,10 @@ snapshots: yaml: 2.9.0 zod: 4.4.3 + layout-base@1.0.2: {} + + layout-base@2.0.1: {} + lefthook-darwin-arm64@2.1.9: optional: true @@ -5031,10 +6598,14 @@ snapshots: dependencies: p-locate: 5.0.0 + lodash-es@4.18.1: {} + long@5.3.2: {} longest-streak@3.1.0: {} + lru-cache@11.5.1: {} + magic-string@0.30.21: dependencies: '@jridgewell/sourcemap-codec': 1.5.5 @@ -5051,6 +6622,8 @@ snapshots: markdown-table@3.0.4: {} + marked@16.4.2: {} + mdast-util-find-and-replace@3.0.2: dependencies: '@types/mdast': 4.0.4 @@ -5153,6 +6726,32 @@ snapshots: dependencies: '@types/mdast': 4.0.4 + mdn-data@2.27.1: {} + + mermaid@11.16.0: + dependencies: + '@braintree/sanitize-url': 7.1.2 + '@iconify/utils': 3.1.3 + '@mermaid-js/parser': 1.2.0 + '@types/d3': 7.4.3 + '@upsetjs/venn.js': 2.0.0 + cytoscape: 3.34.0 + cytoscape-cose-bilkent: 4.1.0(cytoscape@3.34.0) + cytoscape-fcose: 2.2.0(cytoscape@3.34.0) + d3: 7.9.0 + d3-sankey: 0.12.3 + dagre-d3-es: 7.0.14 + dayjs: 1.11.21 + dompurify: 3.4.11 + es-toolkit: 1.49.0 + katex: 0.16.47 + khroma: 2.1.0 + marked: 16.4.2 + roughjs: 4.6.6 + stylis: 4.4.0 + ts-dedent: 2.3.0 + uuid: 14.0.1 + micromark-core-commonmark@2.0.3: dependencies: decode-named-character-reference: 1.3.0 @@ -5356,6 +6955,17 @@ snapshots: natural-compare@1.4.0: {} + node-addon-landlock-run-linux-arm64@0.0.0-test.0: + optional: true + + node-addon-landlock-run-linux-x64@0.0.0-test.0: + optional: true + + node-addon-landlock-run@0.0.0-test.0: + optionalDependencies: + node-addon-landlock-run-linux-arm64: 0.0.0-test.0 + node-addon-landlock-run-linux-x64: 0.0.0-test.0 + node-domexception@1.0.0: {} node-fetch@3.3.2: @@ -5442,8 +7052,14 @@ snapshots: package-manager-detector@1.6.0: {} + parse5@8.0.1: + dependencies: + entities: 8.0.0 + partial-json@0.1.7: {} + path-data-parser@0.1.0: {} + path-exists@4.0.0: {} path-expression-matcher@1.5.0: {} @@ -5456,6 +7072,13 @@ snapshots: picomatch@4.0.4: {} + points-on-curve@0.2.0: {} + + points-on-path@0.2.1: + dependencies: + path-data-parser: 0.1.0 + points-on-curve: 0.2.0 + postcss@8.5.15: dependencies: nanoid: 3.3.12 @@ -5493,10 +7116,14 @@ snapshots: readdirp@4.1.2: {} + require-from-string@2.0.2: {} + resolve-pkg-maps@1.0.0: {} retry@0.13.1: {} + robust-predicates@3.0.3: {} + rolldown-plugin-dts@0.25.2(oxc-resolver@11.20.0)(rolldown@1.1.1)(typescript@6.0.3): dependencies: '@babel/generator': 8.0.0-rc.6 @@ -5555,12 +7182,27 @@ snapshots: '@rolldown/binding-win32-arm64-msvc': 1.1.1 '@rolldown/binding-win32-x64-msvc': 1.1.1 + roughjs@4.6.6: + dependencies: + hachure-fill: 0.5.2 + path-data-parser: 0.1.0 + points-on-curve: 0.2.0 + points-on-path: 0.2.1 + + rw@1.3.3: {} + sade@1.8.1: dependencies: mri: 1.2.0 safe-buffer@5.2.1: {} + safer-buffer@2.1.2: {} + + saxes@6.0.0: + dependencies: + xmlchars: 2.2.0 + schemastery@3.18.0: dependencies: '@standard-schema/spec': 1.1.0 @@ -5590,12 +7232,16 @@ snapshots: dependencies: anynum: 1.0.0 + stylis@4.4.0: {} + supports-color@7.2.0: dependencies: has-flag: 4.0.0 supports-color@9.4.0: {} + symbol-tree@3.2.4: {} + tinybench@2.9.0: {} tinyexec@1.2.4: {} @@ -5607,6 +7253,20 @@ snapshots: tinyrainbow@3.1.0: {} + tldts-core@7.4.5: {} + + tldts@7.4.5: + dependencies: + tldts-core: 7.4.5 + + tough-cookie@6.0.1: + dependencies: + tldts: 7.4.5 + + tr46@6.0.0: + dependencies: + punycode: 2.3.1 + tree-kill@1.2.2: {} ts-algebra@2.0.0: {} @@ -5615,6 +7275,8 @@ snapshots: dependencies: typescript: 6.0.3 + ts-dedent@2.3.0: {} + tsconfck@3.1.6(typescript@6.0.3): optionalDependencies: typescript: 6.0.3 @@ -5680,8 +7342,12 @@ snapshots: '@quansync/fs': 1.0.0 quansync: 1.0.0 + undici-types@6.21.0: {} + undici-types@7.24.6: {} + undici@7.28.0: {} + unist-util-is@6.0.1: dependencies: '@types/unist': 3.0.3 @@ -5705,16 +7371,33 @@ snapshots: dependencies: punycode: 2.3.1 - vite-tsconfig-paths@6.1.1(typescript@6.0.3)(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)): + uuid@14.0.1: {} + + vite-tsconfig-paths@6.1.1(typescript@6.0.3)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)): dependencies: debug: 4.4.3 globrex: 0.1.2 tsconfck: 3.1.6(typescript@6.0.3) - vite: 8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0) + vite: 8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0) transitivePeerDependencies: - supports-color - typescript + vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0): + dependencies: + lightningcss: 1.32.0 + picomatch: 4.0.4 + postcss: 8.5.15 + rolldown: 1.0.3 + tinyglobby: 0.2.17 + optionalDependencies: + '@types/node': 22.20.0 + esbuild: 0.28.1 + fsevents: 2.3.3 + jiti: 2.7.0 + tsx: 4.22.4 + yaml: 2.9.0 + vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0): dependencies: lightningcss: 1.32.0 @@ -5730,7 +7413,36 @@ snapshots: tsx: 4.22.4 yaml: 2.9.0 - vitest@4.1.8(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)): + vitest@4.1.8(@types/node@22.20.0)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)): + dependencies: + '@vitest/expect': 4.1.8 + '@vitest/mocker': 4.1.8(vite@8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) + '@vitest/pretty-format': 4.1.8 + '@vitest/runner': 4.1.8 + '@vitest/snapshot': 4.1.8 + '@vitest/spy': 4.1.8 + '@vitest/utils': 4.1.8 + es-module-lexer: 2.1.0 + expect-type: 1.3.0 + magic-string: 0.30.21 + obug: 2.1.3 + pathe: 2.0.3 + picomatch: 4.0.4 + std-env: 4.1.0 + tinybench: 2.9.0 + tinyexec: 1.2.4 + tinyglobby: 0.2.17 + tinyrainbow: 3.1.0 + vite: 8.0.16(@types/node@22.20.0)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0) + why-is-node-running: 2.3.0 + optionalDependencies: + '@types/node': 22.20.0 + '@vitest/coverage-v8': 4.1.8(vitest@4.1.8) + jsdom: 29.1.1 + transitivePeerDependencies: + - msw + + vitest@4.1.8(@types/node@25.9.3)(@vitest/coverage-v8@4.1.8)(jsdom@29.1.1)(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)): dependencies: '@vitest/expect': 4.1.8 '@vitest/mocker': 4.1.8(vite@8.0.16(@types/node@25.9.3)(esbuild@0.28.1)(jiti@2.7.0)(tsx@4.22.4)(yaml@2.9.0)) @@ -5755,13 +7467,30 @@ snapshots: optionalDependencies: '@types/node': 25.9.3 '@vitest/coverage-v8': 4.1.8(vitest@4.1.8) + jsdom: 29.1.1 transitivePeerDependencies: - msw + w3c-xmlserializer@5.0.0: + dependencies: + xml-name-validator: 5.0.0 + walk-up-path@4.0.0: {} web-streams-polyfill@3.3.3: {} + webidl-conversions@8.0.1: {} + + whatwg-mimetype@5.0.0: {} + + whatwg-url@16.0.1: + dependencies: + '@exodus/bytes': 1.15.1 + tr46: 6.0.0 + webidl-conversions: 8.0.1 + transitivePeerDependencies: + - '@noble/hashes' + which@2.0.2: dependencies: isexe: 2.0.0 @@ -5775,8 +7504,12 @@ snapshots: ws@8.21.0: {} + xml-name-validator@5.0.0: {} + xml-naming@0.1.0: {} + xmlchars@2.2.0: {} + yaml@2.9.0: {} yocto-queue@0.1.0: {} diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml index b2b731fc58..6407a99f52 100644 --- a/pnpm-workspace.yaml +++ b/pnpm-workspace.yaml @@ -19,3 +19,12 @@ allowBuilds: # need, so we deny them — install still succeeds. '@google/genai': false protobufjs: false + +# The Landlock launcher family is our own sibling-repo release, consumed +# fresh (hours old at each coordinated bump) — the release-age quarantine +# would block every such bump, so the family is exempted BY NAME, not by +# pinned version. +minimumReleaseAgeExclude: + - node-addon-landlock-run + - node-addon-landlock-run-linux-arm64 + - node-addon-landlock-run-linux-x64 diff --git a/scripts/check-workspace-constraints.ts b/scripts/check-workspace-constraints.ts index f579169ab0..2d12a66d8f 100644 --- a/scripts/check-workspace-constraints.ts +++ b/scripts/check-workspace-constraints.ts @@ -105,12 +105,25 @@ const dshBinPackageFiles = [ 'src', ] as const +const dshWorkerPackageFiles = [ + 'lib/index.js', + 'lib/worker.js', + 'lib/types/**/*.d.ts', + 'lib/types/**/*.d.ts.map', + 'src', +] as const + function sameStringList(actual: readonly string[] | undefined, expected: readonly string[]): boolean { return !!actual && actual.length === expected.length && actual.every((value, index) => value === expected[index]) } function expectedDshPackageFiles(manifest: PackageManifest): readonly string[] { - return manifest.bin ? dshBinPackageFiles : dshPackageFiles + if (manifest.bin) return dshBinPackageFiles + // A declared "./worker" subpath export sanctions the one extra runtime + // bundle a worker-thread entry needs (and NodeNext/publint then validate + // that subpath's targets like any other export). + if (manifest.exports?.['./worker']) return dshWorkerPackageFiles + return dshPackageFiles } function checkWorkspace({ dir, manifest }: WorkspaceManifest): string[] { diff --git a/scripts/demo-code-mode.mjs b/scripts/demo-code-mode.mjs new file mode 100644 index 0000000000..a93ea98173 --- /dev/null +++ b/scripts/demo-code-mode.mjs @@ -0,0 +1,29 @@ +/** + * Boot the Code Mode demo under the UI named on the command line: + * `pnpm run demo:code-mode [repl|acp]`, default `repl`. Code Mode is the + * point — the UI is just the surface it happens to wear: each UI boots its + * base example through that example's `code-mode.cordis.yml` overlay + * (include ./cordis.yml, flip `tools.mode` to `code`, insert the + * worker-thread code runtime). Both need DEEPSEEK_API_KEY (repo-root .env + * works). Anything else on the command line is a misconfiguration and + * fails loud with usage. + */ +import { spawn } from 'node:child_process' + +// Each UI's node invocation, verbatim what its base demo script runs plus +// the overlay config (the stdio bin keeps --expose-internals for the cordis +// Loader's HMR path). +const UIS = new Map([ + ['repl', ['--expose-internals', '--import', 'tsx', 'packages/ui/stdio-agent/src/bin.ts', 'examples/coding-agent/code-mode.cordis.yml']], + ['acp', ['--import', 'tsx', 'packages/ui/acp-agent/src/bin.ts', 'examples/acp-agent/code-mode.cordis.yml']], +]) + +const ui = process.argv[2] ?? 'repl' +const args = UIS.get(ui) +if (!args || process.argv.length > 3) { + console.error('usage: pnpm run demo:code-mode [repl|acp]') + process.exit(2) +} + +const child = spawn(process.execPath, args, { stdio: 'inherit' }) +child.on('exit', (code, signal) => { process.exit(signal !== null ? 1 : code ?? 1) }) diff --git a/scripts/doc-budgets.manifest.json b/scripts/doc-budgets.manifest.json index 26db66b995..2a6456eaf9 100644 --- a/scripts/doc-budgets.manifest.json +++ b/scripts/doc-budgets.manifest.json @@ -1,10 +1,11 @@ { - "AGENTS.md": 1575, + "AGENTS.md": 1802, "docs/AGENTS.md": 1315, - "docs/architecture.md": 1890, + "docs/architecture.md": 1750, + "docs/cordis-primer.md": 550, "docs/defensive-patterns.md": 550, "docs/testing.md": 800, - "examples/AGENTS.md": 610, + "examples/AGENTS.md": 705, "packages/AGENTS.md": 450, - "packages/README.md": 605 + "packages/README.md": 710 } diff --git a/scripts/doc-typecheck.ts b/scripts/doc-typecheck.ts index 7422d6ac77..e57f3710ee 100644 --- a/scripts/doc-typecheck.ts +++ b/scripts/doc-typecheck.ts @@ -9,21 +9,24 @@ * opts out with an explicit ` ```ts ignore-check ` info string — the opt-out * is visible in the source, and this script reports the ratio so the escape * hatch can't quietly become the norm. A third info string, - * doc-typecheck.ts recognizes two more fence variants and skips both (each is a - * separately-checked category, not an unchecked sketch, so neither counts in the - * opt-out ratio): ` ```ts type-equiv ` is a verbatim source-type paste that - * `scripts/verify-type-equiv.ts` drift-checks, and ` ```ts cordis-catalog ` is a + * doc-typecheck.ts recognizes four more fence variants and skips all four (each + * is a separately-checked category, not an unchecked sketch, so none counts in + * the opt-out ratio): ` ```ts type-equiv ` is a verbatim source-type paste that + * `scripts/verify-type-equiv.ts` drift-checks, ` ```ts cordis-catalog ` is a * generated event/service signature fragment in the cordis catalog (a bare * signature is not standalone-compilable; the catalog is generated and frozen by - * `scripts/gen-cordis-catalog.ts` + its `--check` freshness gate). + * `scripts/gen-cordis-catalog.ts` + its `--check` freshness gate), + * ` ```ts persistence-catalog ` is a generated log-event payload fragment in the + * persistence catalog (same reasoning, frozen by `scripts/gen-persistence-catalog.ts`), + * and ` ```ts config-catalog ` is a generated verbatim config declaration in the + * plugin config catalog (same reasoning, frozen by `scripts/gen-config-catalog.ts`). * * Run: `tsx scripts/doc-typecheck.ts`. */ import { execFileSync } from 'node:child_process' -import { mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs' +import { globSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'node:fs' import { join, relative, resolve } from 'node:path' -import { glob } from 'node:fs/promises' import ts from 'typescript' const root = resolve(import.meta.dirname, '..') @@ -43,8 +46,16 @@ const root = resolve(import.meta.dirname, '..') * (a bare signature fragment has no imports and does not stand alone) and * EXCLUDED from the opt-out ratio: the catalog is generated and frozen by * `scripts/gen-cordis-catalog.ts` + its `--check` freshness gate. + * - `persistence-catalog` (` ```ts persistence-catalog `) — a generated + * log-event payload fragment in the persistence catalog. Same treatment for + * the same reason; frozen by `scripts/gen-persistence-catalog.ts` + its + * `--check` freshness gate. + * - `config-catalog` (` ```ts config-catalog `) — a generated verbatim config + * declaration in the plugin config catalog (a lone declaration referencing + * imported types does not stand alone). Same treatment for the same reason; + * frozen by `scripts/gen-config-catalog.ts` + its `--check` freshness gate. */ -type BlockKind = 'check' | 'ignore' | 'type-equiv' | 'cordis-catalog' +type BlockKind = 'check' | 'ignore' | 'type-equiv' | 'cordis-catalog' | 'persistence-catalog' | 'config-catalog' /** One extracted code block. */ interface Block { @@ -55,7 +66,8 @@ interface Block { code: string } -/** Extract every ts / ts ignore-check / ts type-equiv / ts cordis-catalog block from one Markdown file. */ +/** Extract every ts / ts ignore-check / ts type-equiv / ts cordis-catalog / + * ts persistence-catalog / ts config-catalog block from one Markdown file. */ function extractBlocks(absPath: string): Block[] { const text = readFileSync(absPath, 'utf8') const lines = text.split('\n') @@ -82,7 +94,9 @@ function extractBlocks(absPath: string): Block[] { : info === 'ts ignore-check' ? 'ignore' : info === 'ts type-equiv' ? 'type-equiv' : info === 'ts cordis-catalog' ? 'cordis-catalog' - : null + : info === 'ts persistence-catalog' ? 'persistence-catalog' + : info === 'ts config-catalog' ? 'config-catalog' + : null if (kind) open = { line: i + 1, kind, body: [] } }) return blocks @@ -124,18 +138,18 @@ const markdownGlobs = ['README.md', 'docs/**/*.md', 'packages/*/*.md', 'packages const files: string[] = [] for (const pattern of markdownGlobs) { - for await (const match of glob(pattern, { cwd: root })) files.push(resolve(root, match)) + for (const match of globSync(pattern, { cwd: root })) files.push(resolve(root, match)) } files.sort() const all = files.flatMap(extractBlocks) const checked = all.filter(b => b.kind === 'check') const ignored = all.filter(b => b.kind === 'ignore') -// `type-equiv` and `cordis-catalog` blocks are verified elsewhere -// (verify-type-equiv.ts and the gen-cordis-catalog `--check` freshness gate), -// not here: neither compiled nor counted toward the opt-out ratio (each is a -// separate fully-checked category, not an unchecked sketch). The ratio's -// denominator is therefore the compile-eligible blocks only. +// `type-equiv`, `cordis-catalog`, and `persistence-catalog` blocks are verified +// elsewhere (verify-type-equiv.ts and each catalog generator's `--check` +// freshness gate), not here: neither compiled nor counted toward the opt-out +// ratio (each is a separate fully-checked category, not an unchecked sketch). +// The ratio's denominator is therefore the compile-eligible blocks only. const ratioDenominator = checked.length + ignored.length if (checked.length === 0) { @@ -171,7 +185,7 @@ try { const ratio = ignored.length / ratioDenominator const skipped = all.length - ratioDenominator - console.log(`doc-typecheck: ${checked.length} block(s) compiled, ${ignored.length} ignored (${(ratio * 100).toFixed(0)}% opt-out), ${skipped} type-equiv/cordis-catalog (checked elsewhere).`) + console.log(`doc-typecheck: ${checked.length} block(s) compiled, ${ignored.length} ignored (${(ratio * 100).toFixed(0)}% opt-out), ${skipped} type-equiv/catalog (checked elsewhere).`) // Guard against the escape hatch becoming the norm. if (ratioDenominator >= 4 && ratio > 0.5) { console.error(`doc-typecheck: too many blocks opt out of checking (${ignored.length}/${ratioDenominator}). Make them compile or delete them.`) diff --git a/scripts/gen-config-catalog.ts b/scripts/gen-config-catalog.ts new file mode 100644 index 0000000000..1cbcc007bd --- /dev/null +++ b/scripts/gen-config-catalog.ts @@ -0,0 +1,935 @@ +/** + * Generate (and verify) the plugin config catalog in docs/config-catalog.md. + * + * The page is the DEPLOYMENT-axis reference: for every harness package a + * `cordis.yml` entry can load, the exact config surface its `apply` function or + * service constructor receives — pasted VERBATIM from source (the `export + * interface Config` declaration with its JSDoc), plus resolved links for every + * type the declaration references. It complements the wiring-axis cordis + * catalogs (events + services, what a plugin AUTHOR listens to and calls) the + * same way the tool catalog complements them for the model-facing axis. + * + * The catalog is FULLY GENERATED from source — never hand-edit it. Like the + * cordis catalog (and unlike the tool catalog, which must boot plugins), this + * is a pure-AST pass: every config type is a static declaration and every + * schemastery schema is a static `z.object`/`z.intersect` literal, so + * generation cannot drift and a regenerate-and-diff freshness check (`--check`) + * gates staleness. Because generation enumerates every package under + * `packages/<group>/<pkg>`, a brand-new plugin cannot be silently + * undocumented: it must classify as configurable, config-free, seam, or + * library, and an unclassifiable entry hard-errors the generator. + * + * `tsx scripts/gen-config-catalog.ts` → write the catalog + * `tsx scripts/gen-config-catalog.ts --check` → exit 1 if the committed + * catalog is stale (CI / + * pre-push gate) + * + * What the walk enforces (aggregated into one error, like the sibling + * generators): + * + * - CLASSIFICATION is total. Every package entry resolves, mirroring the + * cordis Loader's `unwrapExports` (`exports.default ?? exports`), to a + * loadable plugin (default class / `apply` function), an abstract seam + * class, or a plain library. Anything else is an error, not a skip. + * - The CONFIG TYPE is the declared type of the plugin's second parameter + * (`apply(ctx, config)` / `constructor(ctx, config)`) — the type cordis + * actually passes — and it must resolve to a declaration inside the owning + * package (entry file or a package-local relative import). + * - Every property of a pasted declaration carries non-empty JSDoc prose: the + * paste IS the documentation, so an undocumented field is a gate failure, + * the same forcing function the events catalog applies via `@mode`. + * - Every type NAME a pasted declaration references resolves: pasted + * transitively when package-local, linked when it is another plugin's + * config type / a core-data-structures entry / a workspace or external + * import. An unresolvable name is an error, and so is a NAME COLLISION — + * two distinct declarations, or a declaration and an import, sharing one + * name across the closure (a verbatim fence has a single flat namespace) — + * never a silent skip. + * - The runtime schemastery schema (`Config` export or `static Config`), + * when present, is walked statically — `z.object` keys, nested object/array + * compositions as key PATHS (`agents[].id`), and `z.intersect` composition + * across packages — and every schema-validated key path must be locatable + * on the declared config type, resolving package-local and + * workspace-imported types, re-export chains, intersections, utility + * wrappers, and indexed access. The paste cannot hide a loader-accepted + * field, top-level or nested. A path that crosses a type the walk cannot + * enumerate (an external package's type) is skipped, never mis-reported, + * and nested keys under dynamic-key shapes (`z.dict`) or union alternatives + * contribute no paths. The reverse direction is deliberately NOT checked: a + * declared field may be a runtime-only seam the schema excludes (e.g. the + * ACP bridge's test-injected `stream`). + * + * Config fences use the ` ```ts config-catalog ` info string: doc-typecheck + * recognizes it and skips compilation (a lone interface referencing imported + * types is not standalone-compilable, like the ` ```ts cordis-catalog ` + * signature blocks). + */ + +import { globSync, readFileSync, writeFileSync } from 'node:fs' +import { dirname, resolve } from 'node:path' +import ts from 'typescript' +import { LINK_MAP } from './gen-cordis-catalog.ts' +import { parseJsDoc, pointer, rawJsDoc } from './jsdoc.ts' + +const root = resolve(import.meta.dirname, '..') +const OUT = 'docs/config-catalog.md' + +/** The fenced-block info string for pasted config declarations (skipped by + * doc-typecheck, since a lone declaration referencing imports is not + * standalone-compilable). */ +const FENCE = 'ts config-catalog' + +/** TypeScript/Node global type names a config declaration may reference + * without importing; never treated as unresolved. Extend when a new global + * legitimately appears — the generator hard-errors on unknown names, so an + * omission is loud, not silent. */ +const GLOBAL_TYPES = new Set([ + 'Array', 'ReadonlyArray', 'Record', 'Partial', 'Required', 'Readonly', 'Pick', 'Omit', + 'Promise', 'Map', 'Set', 'Date', 'Error', 'RegExp', 'Exclude', 'Extract', 'NonNullable', + 'ReturnType', 'Parameters', 'AbortSignal', 'URL', 'Buffer', 'NodeJS', 'Iterable', 'AsyncIterable', +]) + +/** How a package classifies for the catalog. */ +type Kind = 'config' | 'no-config' | 'seam' | 'library' + +/** One name a pasted declaration references but the paste does not contain. */ +interface TypeRef { + /** The name as it appears in the pasted text (the local import alias). */ + alias: string + /** The name the source module exports it under (pre-alias). */ + imported: string + /** The import module specifier (package name or external module). */ + specifier: string +} + +/** One verbatim declaration paste. */ +interface Paste { + /** Full source text: leading JSDoc (when present) through the closing token. */ + text: string + /** Source pointer `packages/…/file.ts:line` of the declaration. */ + source: string +} + +/** One package's catalog entry. */ +export interface CatalogEntry { + /** npm package name, e.g. `@deepseek-ai/dsh-agent-loop`. */ + pkg: string + /** Repo-relative package dir, e.g. `packages/core/agent-loop`. */ + dir: string + /** Repo-relative entry file, `<dir>/src/index.ts`. */ + entry: string + kind: Kind + /** Service keys the plugin `inject`s (empty when none declared). */ + inject: string[] + /** Seam/service class name (kinds `seam` and class-based plugins). */ + className?: string + /** Name of the config type (kind `config`). */ + configTypeName?: string + /** Verbatim declaration pastes, the config type first (kind `config`). */ + pastes?: Paste[] + /** References the pastes leave unresolved locally (kind `config`). */ + refs?: TypeRef[] + /** Top-level keys and nested key paths (`agents[].id`) of the runtime + * schema, `null` when no schema exists (kind `config`). */ + schemaKeys?: string[] | null + /** Package names whose schemas an intersect composes (kind `config`). */ + schemaComposes?: string[] +} + +/** A parsed source file plus its import map (local name → origin). */ +interface FileCtx { + abs: string + rel: string + text: string + sf: ts.SourceFile + /** Local binding name → `{ imported, specifier }`; default imports record + * `imported: 'default'`. */ + imports: Map<string, { imported: string; specifier: string }> +} + +/** Throw one aggregate error for every violation the walk collected. */ +function report(violations: string[]): void { + if (violations.length === 0) return + throw new Error( + `gen-config-catalog: ${violations.length} violation(s):\n` + + violations.map(v => ` ${v}`).join('\n'), + ) +} + +/** Parse a source file and index its import declarations. */ +function loadFile(abs: string, rel: string, cache: Map<string, FileCtx>): FileCtx { + const cached = cache.get(abs) + if (cached) return cached + const text = readFileSync(abs, 'utf8') + const sf = ts.createSourceFile(abs, text, ts.ScriptTarget.Latest, true) + const imports = new Map<string, { imported: string; specifier: string }>() + for (const stmt of sf.statements) { + if (!ts.isImportDeclaration(stmt) || !ts.isStringLiteral(stmt.moduleSpecifier)) continue + const specifier = stmt.moduleSpecifier.text + const clause = stmt.importClause + if (!clause) continue + if (clause.name) imports.set(clause.name.text, { imported: 'default', specifier }) + if (clause.namedBindings && ts.isNamedImports(clause.namedBindings)) { + for (const el of clause.namedBindings.elements) { + imports.set(el.name.text, { imported: (el.propertyName ?? el.name).text, specifier }) + } + } + if (clause.namedBindings && ts.isNamespaceImport(clause.namedBindings)) { + imports.set(clause.namedBindings.name.text, { imported: '*', specifier }) + } + } + const ctx = { abs, rel, text, sf, imports } + cache.set(abs, ctx) + return ctx +} + +/** A type declaration a paste can contain. */ +type TypeDecl = ts.InterfaceDeclaration | ts.TypeAliasDeclaration + +/** Find an interface/type-alias declaration by name in a file, or null. */ +function findTypeDecl(ctx: FileCtx, name: string): TypeDecl | null { + for (const stmt of ctx.sf.statements) { + if ((ts.isInterfaceDeclaration(stmt) || ts.isTypeAliasDeclaration(stmt)) && stmt.name.text === name) return stmt + } + return null +} + +/** + * Resolve a type name from a file to its declaration (following package-local + * relative imports transitively) or to the import that brings it in. Returns + * `null` when the name is neither declared, imported, nor a known global. + */ +function resolveTypeName( + ctx: FileCtx, + name: string, + cache: Map<string, FileCtx>, + violations: string[], +): { decl: TypeDecl; ctx: FileCtx } | { ref: TypeRef } | null { + const local = findTypeDecl(ctx, name) + if (local) return { decl: local, ctx } + const imp = ctx.imports.get(name) + if (!imp) return null + if (imp.specifier.startsWith('.')) { + if (!imp.specifier.endsWith('.ts')) { + violations.push(`${ctx.rel}: relative import '${imp.specifier}' lacks the explicit .ts extension the repo convention requires.`) + return null + } + if (imp.imported !== name) { + violations.push(`${ctx.rel}: '${name}' aliases '${imp.imported}' across a package-local import; the catalog pastes declarations verbatim, so keep package-local config types unaliased.`) + return null + } + const abs = resolve(dirname(ctx.abs), imp.specifier) + const rel = ctx.rel.slice(0, ctx.rel.lastIndexOf('/') + 1) + imp.specifier.replace(/^\.\//, '') + const target = loadFile(abs, rel, cache) + return resolveTypeName(target, imp.imported, cache, violations) + } + return { ref: { alias: name, imported: imp.imported, specifier: imp.specifier } } +} + +/** Collect every type NAME referenced in type positions under a node. */ +function collectTypeNames(node: ts.Node, out: Set<string>): void { + const visit = (n: ts.Node): void => { + if (ts.isTypeReferenceNode(n)) { + let head: ts.EntityName = n.typeName + while (ts.isQualifiedName(head)) head = head.left + out.add(head.text) + } else if (ts.isExpressionWithTypeArguments(n) && ts.isIdentifier(n.expression)) { + out.add(n.expression.text) // heritage clause: `extends X` + } + ts.forEachChild(n, visit) + } + visit(node) +} + +/** The verbatim paste text of a declaration: leading JSDoc through the end. */ +function pasteText(ctx: FileCtx, decl: TypeDecl): string { + const raw = rawJsDoc(ctx.text, decl) + const start = raw ? ctx.text.indexOf(raw, decl.getFullStart()) : decl.getStart(ctx.sf) + return ctx.text.slice(start, decl.end) +} + +/** Enforce non-empty JSDoc prose on every property of a pasted declaration, + * recursing into nested type literals (e.g. an array-of-objects field). */ +function checkMemberDocs(ctx: FileCtx, decl: TypeDecl, violations: string[]): void { + const walkMembers = (members: ts.NodeArray<ts.TypeElement>, path: string): void => { + for (const member of members) { + if (!ts.isPropertySignature(member)) continue + const name = member.name.getText(ctx.sf) + const where = `config field '${path}.${name}' (${pointer(ctx.rel, ctx.sf, member)})` + if (!parseJsDoc(rawJsDoc(ctx.text, member)).doc) violations.push(`${where} has no JSDoc prose.`) + if (member.type) walkNested(member.type, `${path}.${name}`) + } + } + const walkNested = (type: ts.Node, path: string): void => { + if (ts.isTypeLiteralNode(type)) walkMembers(type.members, path) + else ts.forEachChild(type, (n) => { walkNested(n, path) }) + } + if (ts.isInterfaceDeclaration(decl)) walkMembers(decl.members, decl.name.text) + else walkNested(decl.type, decl.name.text) +} + +/** Cross-file resolution context for the schema-path check. */ +interface World { + scanRoot: string + cache: Map<string, FileCtx> + /** Workspace package name → repo-relative package dir. */ + pkgDirByName: Map<string, string> +} + +/** How a schema key path fared against the declared config type: definitely + * present, definitely absent, or crossing a shape the walk cannot enumerate + * (only `missing` is a violation — `unknown` must never mis-report). */ +type PathLookup = 'found' | 'missing' | 'unknown' + +/** One step of a schema key path: a named member, or an array-element hop. */ +type PathStep = { member: string } | { array: true } + +/** Parse a schema key path (`agents[].id`) into member/array steps. */ +function parsePath(path: string): PathStep[] { + const steps: PathStep[] = [] + for (const seg of path.split('.')) { + let name = seg + let arrays = 0 + while (name.endsWith('[]')) { + name = name.slice(0, -2) + arrays += 1 + } + steps.push({ member: name }) + for (let i = 0; i < arrays; i += 1) steps.push({ array: true }) + } + return steps +} + +/** Load a package-relative import target as a FileCtx. */ +function loadRelative(world: World, from: FileCtx, specifier: string): FileCtx { + const abs = resolve(dirname(from.abs), specifier) + const rel = from.rel.slice(0, from.rel.lastIndexOf('/') + 1) + specifier.replace(/^\.\//, '') + return loadFile(abs, rel, world.cache) +} + +/** Find a type declaration EXPORTED (directly or via re-export chains) from a + * file, following `export … from './x.ts'` and `export * from './x.ts'`. */ +function findExportedTypeDecl(world: World, ctx: FileCtx, name: string, seen = new Set<string>()): { decl: TypeDecl; ctx: FileCtx } | null { + const key = `${ctx.abs}#${name}` + if (seen.has(key)) return null + seen.add(key) + const local = findTypeDecl(ctx, name) + if (local) return { decl: local, ctx } + for (const stmt of ctx.sf.statements) { + if (!ts.isExportDeclaration(stmt) || !stmt.moduleSpecifier || !ts.isStringLiteral(stmt.moduleSpecifier)) continue + const spec = stmt.moduleSpecifier.text + if (!spec.startsWith('.') || !spec.endsWith('.ts')) continue + let lookFor: string | null = null + if (!stmt.exportClause) { + lookFor = name // export * from './x.ts' + } else if (ts.isNamedExports(stmt.exportClause)) { + const el = stmt.exportClause.elements.find(e => e.name.text === name) + if (el) lookFor = (el.propertyName ?? el.name).text + } + if (lookFor === null) continue + const hit = findExportedTypeDecl(world, loadRelative(world, ctx, spec), lookFor, seen) + if (hit) return hit + } + return null +} + +/** Resolve a referenced type NAME to its declaration: declared locally, via a + * package-relative import, or via a workspace-package import (entry file + + * re-export chains). `'unknown'` = external or otherwise out of reach. */ +function declForTypeName(world: World, ctx: FileCtx, name: string): { decl: TypeDecl; ctx: FileCtx } | 'unknown' { + const local = findTypeDecl(ctx, name) + if (local) return { decl: local, ctx } + const imp = ctx.imports.get(name) + if (!imp) return 'unknown' + if (imp.specifier.startsWith('.')) { + if (!imp.specifier.endsWith('.ts')) return 'unknown' + return findExportedTypeDecl(world, loadRelative(world, ctx, imp.specifier), imp.imported) ?? 'unknown' + } + const dir = world.pkgDirByName.get(imp.specifier) + if (dir === undefined) return 'unknown' + const entryRel = `${dir}/src/index.ts` + let entry: FileCtx + try { + entry = loadFile(resolve(world.scanRoot, entryRel), entryRel, world.cache) + } catch { + // A workspace package without a readable entry is reported by its own + // classification pass; for a lookup it is merely out of reach. + return 'unknown' + } + return findExportedTypeDecl(world, entry, imp.imported) ?? 'unknown' +} + +/** Utility wrappers that pass a member lookup through to their type argument. */ +const PASSTHROUGH_WRAPPERS = new Set(['Partial', 'Required', 'Readonly', 'NonNullable']) + +/** + * Walk a schema key path against a declared type. This is a PRESENCE check, + * not a shape check: it answers "does the declared config type have a member + * here", resolving interfaces (heritage included), type aliases, literals, + * intersections, unions, arrays, indexed access, pass-through utility + * wrappers, and type references across package-local and workspace imports. + * Anything it cannot see through resolves `'unknown'`, never `'missing'`. + */ +function lookupPath(world: World, ctx: FileCtx, node: ts.Node, steps: PathStep[], seen: Set<string>): PathLookup { + if (steps.length === 0) return 'found' + // Guard recursion at NAMED declarations only — the sole way a walk can loop + // (a recursive interface/alias). Structural nodes must not be guarded: a + // first child shares `.pos` with its parent, so a span-keyed guard there + // would mistake ordinary descent for a cycle. + if (ts.isInterfaceDeclaration(node) || ts.isTypeAliasDeclaration(node)) { + const key = `${ctx.abs}:${node.pos}:${steps.length}` + if (seen.has(key)) return 'unknown' // recursive type — bail rather than loop + seen.add(key) + } + const step = steps[0] + if (step === undefined) return 'found' + // Combine branch results: any found wins, else any unknown taints, else missing. + const combine = (results: PathLookup[]): PathLookup => { + if (results.includes('found')) return 'found' + if (results.includes('unknown')) return 'unknown' + return 'missing' + } + const intoMembers = (members: ts.NodeArray<ts.TypeElement>): PathLookup | null => { + if (!('member' in step)) return null + for (const m of members) { + if (!ts.isPropertySignature(m) || m.name.getText(ctx.sf) !== step.member) continue + if (steps.length === 1) return 'found' + return m.type ? lookupPath(world, ctx, m.type, steps.slice(1), seen) : 'unknown' + } + return null // not among these members; caller consults heritage/parts + } + if (ts.isInterfaceDeclaration(node)) { + if (!('member' in step)) return 'unknown' // an array step cannot land on an interface + const direct = intoMembers(node.members) + if (direct !== null) return direct + const bases: PathLookup[] = [] + for (const clause of node.heritageClauses ?? []) { + for (const base of clause.types) { + if (!ts.isIdentifier(base.expression)) { + bases.push('unknown') + continue + } + const resolved = declForTypeName(world, ctx, base.expression.text) + bases.push(resolved === 'unknown' ? 'unknown' : lookupPath(world, resolved.ctx, resolved.decl, steps, seen)) + } + } + return bases.length ? combine(bases) : 'missing' + } + if (ts.isTypeAliasDeclaration(node)) return lookupPath(world, ctx, node.type, steps, seen) + if (ts.isTypeLiteralNode(node)) { + if (!('member' in step)) return 'unknown' + return intoMembers(node.members) ?? 'missing' + } + if (ts.isParenthesizedTypeNode(node)) return lookupPath(world, ctx, node.type, steps, seen) + if (ts.isIntersectionTypeNode(node)) { + return combine(node.types.map(t => lookupPath(world, ctx, t, steps, seen))) + } + if (ts.isUnionTypeNode(node)) { + // Presence on a union is only definite when every branch agrees. + const results = node.types.map(t => lookupPath(world, ctx, t, steps, seen)) + if (results.every(r => r === 'found')) return 'found' + if (results.every(r => r === 'missing')) return 'missing' + return 'unknown' + } + if (ts.isArrayTypeNode(node)) { + return 'array' in step ? lookupPath(world, ctx, node.elementType, steps.slice(1), seen) : 'unknown' + } + if (ts.isTypeOperatorNode(node)) return lookupPath(world, ctx, node.type, steps, seen) + if (ts.isIndexedAccessTypeNode(node)) { + const index = node.indexType + if (ts.isLiteralTypeNode(index) && ts.isStringLiteral(index.literal)) { + return lookupPath(world, ctx, node.objectType, [{ member: index.literal.text }, ...steps], seen) + } + return 'unknown' + } + if (ts.isTypeReferenceNode(node)) { + let head: ts.EntityName = node.typeName + while (ts.isQualifiedName(head)) head = head.left + const name = head.text + if (PASSTHROUGH_WRAPPERS.has(name) && node.typeArguments?.[0]) { + return lookupPath(world, ctx, node.typeArguments[0], steps, seen) + } + if ((name === 'Array' || name === 'ReadonlyArray') && node.typeArguments?.[0]) { + return 'array' in step ? lookupPath(world, ctx, node.typeArguments[0], steps.slice(1), seen) : 'unknown' + } + if (!ts.isIdentifier(node.typeName)) return 'unknown' // namespace-qualified: out of reach + const resolved = declForTypeName(world, ctx, name) + return resolved === 'unknown' ? 'unknown' : lookupPath(world, resolved.ctx, resolved.decl, steps, seen) + } + return 'unknown' +} + +/** Unwrap `as` / `satisfies` / parenthesized wrappers around an expression. */ +function unwrapExpr(expr: ts.Expression): ts.Expression { + let e = expr + while (ts.isAsExpression(e) || ts.isSatisfiesExpression(e) || ts.isParenthesizedExpression(e)) e = e.expression + return e +} + +/** + * Statically walk a schemastery schema expression to its key paths plus the + * packages whose schemas an intersect composes. A key path is the top-level + * key or a nested path through object/array compositions (`agents[].id`). + * Handles the shapes the repo declares — `z.object({…})` (possibly behind + * chained calls) and `z.intersect([X.Config, …])` — and hard-errors on + * anything else, so a schema the walk cannot see fails the gate instead of + * silently thinning it. Nested values that are neither `object` nor `array` + * compositions (primitives, unions, dynamic-key dicts) contribute no paths. + */ +function walkSchemaExpr( + ctx: FileCtx, + expr: ts.Expression, + where: string, + violations: string[], +): { keys: string[]; composes: string[] } { + const keys: string[] = [] + const composes: string[] = [] + // Nested paths under one object property's VALUE expression: recurse through + // chained refinements toward the base call, descending into object/array. + const collectValuePaths = (value: ts.Expression, base: string): void => { + const call = unwrapExpr(value) + if (!ts.isCallExpression(call) || !ts.isPropertyAccessExpression(call.expression)) return + const method = call.expression.name.text + if (method === 'object' && call.arguments[0] && ts.isObjectLiteralExpression(call.arguments[0])) { + for (const prop of call.arguments[0].properties) { + if (!ts.isPropertyAssignment(prop)) continue + const key = ts.isStringLiteral(prop.name) ? prop.name.text : prop.name.getText(ctx.sf) + keys.push(`${base}.${key}`) + collectValuePaths(prop.initializer, `${base}.${key}`) + } + return + } + if (method === 'array' && call.arguments[0]) { + collectValuePaths(call.arguments[0], `${base}[]`) + return + } + const inner = unwrapExpr(call.expression.expression) + if (ts.isCallExpression(inner)) collectValuePaths(inner, base) + } + const visit = (e: ts.Expression): void => { + const call = unwrapExpr(e) + if (!ts.isCallExpression(call) || !ts.isPropertyAccessExpression(call.expression)) { + violations.push(`${where}: schema expression is not a statically walkable schemastery call.`) + return + } + const method = call.expression.name.text + if (method === 'object' && call.arguments[0] && ts.isObjectLiteralExpression(call.arguments[0])) { + for (const prop of call.arguments[0].properties) { + if (ts.isPropertyAssignment(prop) || ts.isShorthandPropertyAssignment(prop)) { + const key = ts.isStringLiteral(prop.name) ? prop.name.text : prop.name.getText(ctx.sf) + keys.push(key) + if (ts.isPropertyAssignment(prop)) collectValuePaths(prop.initializer, key) + } else { + violations.push(`${where}: schema object property '${prop.getText(ctx.sf)}' is not a plain key.`) + } + } + return + } + if (method === 'intersect' && call.arguments[0] && ts.isArrayLiteralExpression(call.arguments[0])) { + for (const el of call.arguments[0].elements) { + const part = unwrapExpr(el) + if (ts.isPropertyAccessExpression(part) && part.name.text === 'Config' && ts.isIdentifier(part.expression)) { + const imp = ctx.imports.get(part.expression.text) + if (imp && !imp.specifier.startsWith('.')) { composes.push(imp.specifier); continue } + } + if (ts.isCallExpression(part)) { visit(part); continue } + violations.push(`${where}: intersect element '${part.getText(ctx.sf)}' is neither a workspace plugin's Config nor an inline schema call.`) + } + return + } + // A chained refinement (`z.object({…}).default(…)` etc.): the keys live on + // the call the chain hangs off — keep unwrapping toward it. + const base = unwrapExpr(call.expression.expression) + if (ts.isCallExpression(base)) { visit(base); return } + violations.push(`${where}: schema call '${method}' is not object/intersect and hangs off no walkable base call.`) + } + visit(expr) + return { keys, composes } +} + +/** Find a plugin's schemastery schema expression: an exported `const Config` + * in the entry file, else a `static Config` on the plugin class. */ +function findSchemaExpr(ctx: FileCtx, pluginClass: ts.ClassDeclaration | null): ts.Expression | null { + for (const stmt of ctx.sf.statements) { + if (!ts.isVariableStatement(stmt)) continue + if (!stmt.modifiers?.some(m => m.kind === ts.SyntaxKind.ExportKeyword)) continue + for (const decl of stmt.declarationList.declarations) { + if (ts.isIdentifier(decl.name) && decl.name.text === 'Config' && decl.initializer) return decl.initializer + } + } + for (const member of pluginClass?.members ?? []) { + if (!ts.isPropertyDeclaration(member) || member.name.getText() !== 'Config') continue + if (!member.modifiers?.some(m => m.kind === ts.SyntaxKind.StaticKeyword)) continue + if (member.initializer) return member.initializer + } + return null +} + +/** Read an `inject` service-key list: `export const inject = […]` in the entry + * file, else `static inject = […]` on the plugin class. */ +function findInject(ctx: FileCtx, pluginClass: ts.ClassDeclaration | null, violations: string[]): string[] { + const fromArray = (expr: ts.Expression, where: string): string[] => { + if (!ts.isArrayLiteralExpression(expr)) { + violations.push(`${where}: inject is not a plain string-array literal; teach the generator the new shape.`) + return [] + } + return expr.elements.map(el => ts.isStringLiteral(el) ? el.text : el.getText(ctx.sf)) + } + for (const stmt of ctx.sf.statements) { + if (!ts.isVariableStatement(stmt)) continue + for (const decl of stmt.declarationList.declarations) { + if (ts.isIdentifier(decl.name) && decl.name.text === 'inject' && decl.initializer) { + return fromArray(decl.initializer, ctx.rel) + } + } + } + for (const member of pluginClass?.members ?? []) { + if (ts.isPropertyDeclaration(member) && member.name.getText() === 'inject' && member.initializer) { + return fromArray(member.initializer, ctx.rel) + } + } + return [] +} + +/** Resolve the entry file's default export to its class/function declaration + * (mirroring the Loader's `unwrapExports`), or null when there is none. */ +function defaultExport(ctx: FileCtx): ts.ClassDeclaration | ts.FunctionDeclaration | null { + for (const stmt of ctx.sf.statements) { + if (ts.isExportAssignment(stmt) && !stmt.isExportEquals && ts.isIdentifier(stmt.expression)) { + const name = stmt.expression.text + for (const s of ctx.sf.statements) { + if ((ts.isClassDeclaration(s) || ts.isFunctionDeclaration(s)) && s.name?.text === name) return s + } + return null + } + if ((ts.isClassDeclaration(stmt) || ts.isFunctionDeclaration(stmt)) + && stmt.modifiers?.some(m => m.kind === ts.SyntaxKind.DefaultKeyword)) return stmt + } + return null +} + +/** Find the exported `apply` function declaration in the entry file, or null. */ +function applyExport(ctx: FileCtx): ts.FunctionDeclaration | null { + for (const stmt of ctx.sf.statements) { + if (ts.isFunctionDeclaration(stmt) && stmt.name?.text === 'apply' + && stmt.modifiers?.some(m => m.kind === ts.SyntaxKind.ExportKeyword)) return stmt + } + return null +} + +/** + * Walk every `packages/<group>/<pkg>` entry and build the catalog entries. + * Hard-errors (aggregated) on any violation listed in the module doc. + * `scanRoot` defaults to the repo root; tests pass a fixture dir. + */ +export function collectConfigCatalog(scanRoot: string = root): CatalogEntry[] { + const violations: string[] = [] + const cache = new Map<string, FileCtx>() + const entries: CatalogEntry[] = [] + + // Pre-pass: package name → dir, so schema-path lookups can follow + // workspace-package imports while individual packages are still being walked. + const pkgDirByName = new Map<string, string>() + const manifests: { dir: string; pkg: string }[] = [] + for (const manifestRel of globSync('packages/*/*/package.json', { cwd: scanRoot }).sort()) { + const dir = manifestRel.slice(0, -'/package.json'.length) + const manifest = JSON.parse(readFileSync(resolve(scanRoot, manifestRel), 'utf8')) as { name?: string; os?: string[]; cpu?: string[] } + const pkg = manifest.name + if (!pkg) { + violations.push(`${manifestRel} has no "name".`) + continue + } + if (manifest.os !== undefined && manifest.cpu !== undefined) { + // A per-platform native-binary package (npm os/cpu selection) ships no + // JavaScript at all — nothing to classify, no Config to catalog. + continue + } + pkgDirByName.set(pkg, dir) + manifests.push({ dir, pkg }) + } + const world: World = { scanRoot, cache, pkgDirByName } + + for (const { dir, pkg } of manifests) { + const entryRel = `${dir}/src/index.ts` + let ctx: FileCtx + try { + ctx = loadFile(resolve(scanRoot, entryRel), entryRel, cache) + } catch { + // A package without src/index.ts cannot be classified — that is the + // violation itself; nothing else in this loop body can run without it. + violations.push(`${pkg}: entry ${entryRel} is missing or unreadable.`) + continue + } + + // Classify, mirroring the Loader's unwrapExports: the default export IS + // the plugin when present; else an exported `apply` makes the module + // namespace the plugin; else the package is a plain library. + const dflt = defaultExport(ctx) + const apply = applyExport(ctx) + let pluginClass: ts.ClassDeclaration | null = null + let configParam: ts.ParameterDeclaration | undefined + let kind: Kind + let className: string | undefined + if (dflt && ts.isClassDeclaration(dflt)) { + className = dflt.name?.text + if (dflt.modifiers?.some(m => m.kind === ts.SyntaxKind.AbstractKeyword)) { + kind = 'seam' + } else { + pluginClass = dflt + const ctor = dflt.members.find(ts.isConstructorDeclaration) + configParam = ctor?.parameters[1] + kind = configParam ? 'config' : 'no-config' + } + } else if (dflt) { + configParam = dflt.parameters[1] + kind = configParam ? 'config' : 'no-config' + } else if (apply) { + configParam = apply.parameters[1] + kind = configParam ? 'config' : 'no-config' + } else { + kind = 'library' + } + + const entry: CatalogEntry = { + pkg, + dir, + entry: entryRel, + kind, + inject: kind === 'library' || kind === 'seam' ? [] : findInject(ctx, pluginClass, violations), + ...className !== undefined ? { className } : {}, + } + entries.push(entry) + if (kind !== 'config' || !configParam) continue + + // Resolve the config type and paste its package-local transitive closure. + if (!configParam.type || !ts.isTypeReferenceNode(configParam.type) || !ts.isIdentifier(configParam.type.typeName)) { + violations.push(`${pkg}: config parameter type (${pointer(entryRel, ctx.sf, configParam)}) is not a plain type-name reference; declare a named config type.`) + continue + } + const typeName = configParam.type.typeName.text + entry.configTypeName = typeName + const pastes: Paste[] = [] + const refs = new Map<string, TypeRef>() + // A bare name is the fence's whole namespace: two DIFFERENT declarations + // (or a declaration in one file and an import in another) sharing a name + // cannot both render unambiguously, so every resolution is identity-checked + // by source pointer and a collision is a violation, never a silent skip. + const pastedDeclByName = new Map<string, string>() + const queue: { name: string; from: FileCtx }[] = [{ name: typeName, from: ctx }] + for (let item = queue.shift(); item !== undefined; item = queue.shift()) { + const { name, from } = item + const resolved = resolveTypeName(from, name, cache, violations) + if (resolved === null) { + violations.push(`${pkg}: config declaration references '${name}' (via ${from.rel}), which is neither declared in the package, imported, nor a known global type.`) + continue + } + if ('ref' in resolved) { + if (name === typeName) { + violations.push(`${pkg}: config type '${name}' is imported from '${resolved.ref.specifier}'; a plugin's config type must live in its own package.`) + continue + } + if (pastedDeclByName.has(name)) { + violations.push(`${pkg}: '${name}' resolves to a package-local declaration (${pastedDeclByName.get(name) ?? ''}) in one file and an import from '${resolved.ref.specifier}' in another; rename one so the fence is unambiguous.`) + continue + } + const existing = refs.get(name) + if (existing && (existing.specifier !== resolved.ref.specifier || existing.imported !== resolved.ref.imported)) { + violations.push(`${pkg}: '${name}' is imported from both '${existing.specifier}' (${existing.imported}) and '${resolved.ref.specifier}' (${resolved.ref.imported}) across the pasted closure; disambiguate the aliases.`) + continue + } + refs.set(name, resolved.ref) + continue + } + const declKey = pointer(resolved.ctx.rel, resolved.ctx.sf, resolved.decl) + const prior = pastedDeclByName.get(name) + if (prior === declKey) continue // same declaration reached again — benign + if (prior !== undefined) { + violations.push(`${pkg}: type name '${name}' resolves to two different declarations (${prior} and ${declKey}) across the pasted closure; rename one — a verbatim fence cannot carry two same-named declarations.`) + continue + } + if (refs.has(name)) { + violations.push(`${pkg}: '${name}' resolves to an import from '${refs.get(name)?.specifier ?? ''}' in one file and a package-local declaration (${declKey}) in another; rename one so the fence is unambiguous.`) + continue + } + pastedDeclByName.set(name, declKey) + pastes.push({ text: pasteText(resolved.ctx, resolved.decl), source: declKey }) + checkMemberDocs(resolved.ctx, resolved.decl, violations) + const names = new Set<string>() + collectTypeNames(resolved.decl, names) + for (const n of names) { + if (GLOBAL_TYPES.has(n)) continue + queue.push({ name: n, from: resolved.ctx }) + } + } + entry.pastes = pastes + entry.refs = [...refs.values()].sort((a, b) => a.alias.localeCompare(b.alias)) + + // Statically walk the runtime schema (when one exists) for the subset check. + const schemaExpr = findSchemaExpr(ctx, pluginClass) + if (schemaExpr) { + const { keys, composes } = walkSchemaExpr(ctx, unwrapExpr(schemaExpr), `${pkg} (${entryRel})`, violations) + entry.schemaKeys = keys + entry.schemaComposes = composes + } else { + entry.schemaKeys = null + } + } + + // Second phase: fold composed schemas' key paths in, then walk every + // schema-validated path against the declared config type. Only a definite + // miss is a violation — a path through a shape the walk cannot enumerate + // stays silent rather than mis-reporting. + const byName = new Map(entries.map(e => [e.pkg, e])) + for (const entry of entries) { + if (entry.kind !== 'config' || entry.schemaKeys === null || entry.schemaKeys === undefined) continue + const seen = new Set<string>() + const foldComposed = (e: CatalogEntry): string[] => { + if (seen.has(e.pkg)) return [] + seen.add(e.pkg) + const keys = [...e.schemaKeys ?? []] + for (const composed of e.schemaComposes ?? []) { + const target = byName.get(composed) + if (!target) { + violations.push(`${entry.pkg}: schema intersects '${composed}', which is not a workspace package the walk collected.`) + continue + } + keys.push(...foldComposed(target)) + } + return keys + } + const allKeys = foldComposed(entry) + const mainPaste = entry.pastes?.[0] + const mainFile = mainPaste?.source.split(':')[0] + const mainCtx = mainFile !== undefined ? cache.get(resolve(scanRoot, mainFile)) : undefined + const mainDecl = mainCtx && entry.configTypeName !== undefined ? findTypeDecl(mainCtx, entry.configTypeName) : null + if (!mainCtx || !mainDecl) { + violations.push(`${entry.pkg}: cannot locate config type '${entry.configTypeName ?? ''}' for the schema-path check.`) + continue + } + for (const keyPath of allKeys) { + if (lookupPath(world, mainCtx, mainDecl, parsePath(keyPath), new Set()) === 'missing') { + violations.push(`${entry.pkg}: schema validates key '${keyPath}' but config type '${entry.configTypeName ?? ''}' declares no such member — the catalog paste would hide a loader-accepted field.`) + } + } + } + + report(violations) + return entries.sort((a, b) => a.pkg.localeCompare(b.pkg)) +} + +/** GitHub-style anchor slug for a `## \`pkg\`` heading. */ +function slug(heading: string): string { + return heading.toLowerCase().replace(/[^a-z0-9 -]/g, '').replace(/ /g, '-') +} + +/** Render the `Requires:` service-key line, or '' when the plugin injects nothing. */ +function requiresLine(inject: string[]): string { + return inject.length ? `Requires: ${inject.map(k => `\`${k}\``).join(' · ')}` : '' +} + +/** Render one reference as a link: another plugin's config type → its section, + * a curated core-data-structures name → its page, any other workspace type → + * its source file, an external type → named with its module, unlinked. */ +function refLink(ref: TypeRef, byName: Map<string, CatalogEntry>): string { + const target = byName.get(ref.specifier) + if (target?.kind === 'config' && ref.imported === target.configTypeName) { + return `[\`${ref.alias}\`](#${slug(target.pkg)})` + } + const page = LINK_MAP[ref.imported] + if (page) return `[\`${ref.alias}\`](core-data-structures/${page})` + if (target) return `[\`${ref.alias}\`](../${target.entry})` + return `\`${ref.alias}\` (\`${ref.specifier}\`)` +} + +/** Render one configurable plugin's section. */ +function renderConfigEntry(entry: CatalogEntry, byName: Map<string, CatalogEntry>): string[] { + const out = [`## \`${entry.pkg}\``, ''] + const requires = requiresLine(entry.inject) + if (requires) out.push(requires, '') + out.push('```' + FENCE, ...(entry.pastes ?? []).map(p => p.text).join('\n\n').split('\n'), '```', '') + if (entry.refs && entry.refs.length > 0) { + out.push(`Depends on: ${entry.refs.map(r => refLink(r, byName)).join(' · ')}`, '') + } + const source = entry.pastes?.[0]?.source ?? entry.entry + out.push(`Source: [\`${source}\`](../${source.split(':')[0]})`, '') + return out +} + +/** Render one terse list line (the no-config / seam / library sections). */ +function renderTerse(entry: CatalogEntry, detail: string): string { + const requires = entry.inject.length ? ` — requires ${entry.inject.map(k => `\`${k}\``).join(' · ')}` : '' + return `- \`${entry.pkg}\`${detail}${requires} ([\`${entry.entry}\`](../${entry.entry}))` +} + +/** Render the full catalog (pure, deterministic given sorted entries). */ +export function render(entries: CatalogEntry[]): string { + const byName = new Map(entries.map(e => [e.pkg, e])) + const lines: string[] = [ + '<!-- Generated by scripts/gen-config-catalog.ts — do not edit by hand.', + ' Run `pnpm run gen-config-catalog` to regenerate. -->', + '', + '# Plugin Config Catalog', + '', + 'Every `config:` block a `cordis.yml` entry can set: for each loadable harness package, the verbatim config declaration (JSDoc included) its `apply` function or service constructor receives, with every referenced type pasted alongside (package-local types) or linked (everything else). The paste is the plugin\'s full declared config type — a field the runtime schema deliberately excludes is a runtime-only seam (its own JSDoc says so) and is not settable from `cordis.yml`. This is the **deployment**-axis reference — the wiring a plugin author works against is the cordis [events](cordis-catalog/events.md) + [services](cordis-catalog/services.md) catalogs, the model-facing tool schemas are the [tool catalog](tool-catalog.md), and [core-data-structures/](core-data-structures/core.md) documents the types these declarations reference.', + '', + 'This file is GENERATED from source (`scripts/gen-config-catalog.ts`) and verified fresh by `pnpm run verify-config-catalog` (part of `doc-sync`) — do not edit it by hand. Declaration blocks use a `ts config-catalog` fence (skipped by doc-typecheck, since a lone declaration referencing imports is not standalone-compilable). The generator also cross-checks the runtime schemastery schema against the pasted declaration — every schema-validated key, nested keys included, must be locatable on the declared config type — so the paste cannot hide a loader-accepted field.', + '', + 'A `Requires:` line lists the service keys the plugin `inject`s: its `cordis.yml` tree must also load providers for those services. Scope is the harness tier (`packages/`); the vendored cordis plugins a config tree may also load (`hmr`, the console logger, …) are pinned upstream source ([vendoring policy](../vendor/README.md)) and not catalogued here.', + '', + ] + for (const entry of entries.filter(e => e.kind === 'config')) { + lines.push(...renderConfigEntry(entry, byName)) + } + lines.push( + '## Loadable plugins with no config', + '', + 'These load from a `cordis.yml` entry with no `config:` block; they declare no config surface.', + '', + ...entries.filter(e => e.kind === 'no-config').map(e => renderTerse(e, '')), + '', + '## Seam packages (not directly loadable)', + '', + 'Abstract service classes — a deployment loads a concrete implementation package instead ([capability seams](rfc/implemented/architecture/2026-06-13-capability-seams.md)).', + '', + ...entries.filter(e => e.kind === 'seam').map(e => renderTerse(e, ` — abstract \`${e.className ?? ''}\``)), + '', + '## Library packages (no plugin entry)', + '', + 'Imported as libraries by other packages; a `cordis.yml` cannot load them.', + '', + ...entries.filter(e => e.kind === 'library').map(e => renderTerse(e, '')), + '', + ) + return lines.join('\n') +} + +/** CLI entry: default writes the catalog, `--check` fails if the committed + * copy is stale. Guarded behind an entry-point check so importing this module + * for tests neither regenerates the committed file nor calls process.exit. */ +function main(): void { + const content = render(collectConfigCatalog()) + if (process.argv.includes('--check')) { + let committed: string | null = null + try { + committed = readFileSync(resolve(root, OUT), 'utf8') + } catch { + // Only ENOENT (not yet generated) is expected; a present-but-unreadable + // file is not a state this repo produces. Either way the remedy is the + // same — regenerate — so treat a read failure as "stale". + committed = null + } + if (committed === content) { + console.log(`gen-config-catalog: ${OUT} is up to date.`) + process.exit(0) + } + console.error(`gen-config-catalog: ${OUT} is stale. Run \`pnpm run gen-config-catalog\` and commit ${OUT}.`) + process.exit(1) + } + writeFileSync(resolve(root, OUT), content) + console.log(`gen-config-catalog: wrote ${OUT}.`) +} + +// Run only when invoked as a script, not when imported by a test. +if (process.argv[1] && import.meta.filename === resolve(process.argv[1])) { + main() +} diff --git a/scripts/gen-cordis-api.ts b/scripts/gen-cordis-api.ts new file mode 100644 index 0000000000..34583d2ead --- /dev/null +++ b/scripts/gen-cordis-api.ts @@ -0,0 +1,247 @@ +/** + * Generate (and verify) the runtime cordis API catalog the `cordis_inspect` + * tool serves to the model: packages/cordis/tool-cordis/src/api-catalog.ts. + * + * The artifact is the machine-readable sibling of docs/cordis-catalog: it + * reuses `collectServices` / `collectEvents` from `gen-cordis-catalog.ts` (the + * same JSDoc-completeness-enforcing AST walk), so the API the model reads at + * runtime and the API the docs render cannot diverge. Emitted as a typed + * TypeScript data module (not JSON): it compiles under the package tsconfig, + * passes lint and the export-JSDoc gate, and is trivially covered by import. + * + * The data is trimmed for a model-facing text surface: per service the + * `ctx.<key>` name, the first sentence of the class doc, and the raw method + * signatures; per event the name, `@mode`, signature, and first sentence of + * doc; the SHAPES of every exported interface/type-alias the service + * signatures reference (transitively — so a model can see that e.g. a + * `BashRunResult.stdout` is `{ text, truncated }`, not a string); plus the + * curated inherited `ctx` surface shared with the docs catalog. Source + * pointers are dropped (a `file:line` means nothing to the model) and entries + * are sorted deterministically. + * + * `tsx scripts/gen-cordis-api.ts` → write the artifact + * `tsx scripts/gen-cordis-api.ts --check` → exit 1 if the committed file is + * stale (CI / pre-push gate) + */ + +import { globSync, readFileSync, writeFileSync } from 'node:fs' +import { resolve } from 'node:path' +import ts from 'typescript' +import { collectEvents, collectServices, INHERITED_SERVICES } from './gen-cordis-catalog.ts' + +const root = resolve(import.meta.dirname, '..') +const OUT = 'packages/cordis/tool-cordis/src/api-catalog.ts' + +/** Declarations longer than this render as a truncated stub — a shape the model cannot skim teaches nothing. */ +const MAX_DECL_CHARS = 1500 + +/** The first sentence of a (possibly multi-line) JSDoc prose block. */ +function firstSentence(doc: string): string { + const line = doc.split('\n', 1)[0] ?? '' + const match = /^(.*?[.!?])(?:\s|$)/.exec(line) + return (match?.[1] ?? line).trim() +} + +/** Render a string as a single-quoted, lint-clean TS literal. */ +function quote(value: string): string { + return `'${value.replace(/\\/g, '\\\\').replace(/'/g, '\\\'').replace(/\n/g, '\\n')}'` +} + +/** + * Every exported `interface` / `type` declaration under `packages/<group>/<pkg>/src`, + * printed without comments, keyed by name. A name declared in more than one + * package (e.g. each plugin's `Config`) is ambiguous and dropped entirely — + * serving the wrong package's shape is worse than serving none. + */ +function collectTypeDecls(scanRoot: string = root): Map<string, string> { + const printer = ts.createPrinter({ removeComments: true }) + const decls = new Map<string, string>() + const ambiguous = new Set<string>() + for (const rel of globSync('packages/*/*/src/*.ts', { cwd: scanRoot }).sort()) { + const abs = resolve(scanRoot, rel) + const sf = ts.createSourceFile(abs, readFileSync(abs, 'utf8'), ts.ScriptTarget.Latest, true) + for (const stmt of sf.statements) { + if (!ts.isInterfaceDeclaration(stmt) && !ts.isTypeAliasDeclaration(stmt)) continue + if (!(stmt.modifiers?.some(m => m.kind === ts.SyntaxKind.ExportKeyword) ?? false)) continue + const name = stmt.name.text + if (decls.has(name)) { + ambiguous.add(name) + continue + } + const printed = printer.printNode(ts.EmitHint.Unspecified, stmt, sf).replace(/\r/g, '') + decls.set(name, printed.length > MAX_DECL_CHARS + ? `${printed.slice(0, MAX_DECL_CHARS)} /* …truncated — full shape in source */` + : printed) + } + } + for (const name of ambiguous) decls.delete(name) + return decls +} + +/** + * The transitive closure of type names referenced by the seed texts: every + * collected declaration whose name appears (word-bounded) in a seed or in an + * already-included declaration, sorted by name. + */ +function referencedTypes(seeds: string[], decls: Map<string, string>): { name: string; declaration: string }[] { + const included = new Map<string, string>() + let frontier = seeds + while (frontier.length > 0) { + const next: string[] = [] + for (const [name, declaration] of decls) { + if (included.has(name)) continue + const pattern = new RegExp(`\\b${name}\\b`) + if (frontier.some(text => pattern.test(text))) { + included.set(name, declaration) + next.push(declaration) + } + } + frontier = next + } + return [...included].map(([name, declaration]) => ({ name, declaration })).sort((a, b) => a.name.localeCompare(b.name)) +} + +/** Render the whole generated module (pure, deterministic given sorted collector output). */ +function render(): string { + const services = collectServices() + const events = collectEvents().sort((a, b) => a.name.localeCompare(b.name)) + const types = referencedTypes(services.flatMap(service => service.methods), collectTypeDecls()) + const lines: string[] = [ + '/**', + ' * Generated by scripts/gen-cordis-api.ts — do not edit by hand; run', + ' * `pnpm run gen-cordis-api` to regenerate (freshness-gated by', + ' * `pnpm run verify-cordis-api` in doc-sync).', + ' *', + ' * The machine-readable cordis API catalog `cordis_inspect` serves to the', + ' * model: harness services (summary + public method signatures), harness', + ' * events (mode + signature), and the inherited `ctx` surface. Produced by', + ' * the same AST walk as docs/cordis-catalog, so this data and the rendered', + ' * docs cannot diverge.', + ' *', + ' * @module @deepseek-ai/dsh-tool-cordis/api-catalog', + ' */', + '', + '/** One harness `ctx.<key>` service: its one-line summary and public method signatures. */', + 'export interface ServiceApiEntry {', + ' /** The `ctx.<key>` name, e.g. `tools`. */', + ' key: string', + ' /** First sentence of the service class JSDoc. */', + ' summary: string', + ' /** Public method signatures, bodies stripped, in source order. */', + ' methods: readonly string[]', + '}', + '', + '/** One harness event: its dispatch mode, exact signature, and one-line summary. */', + 'export interface EventApiEntry {', + ' /** The scoped event name, e.g. `agent/status`. */', + ' name: string', + ' /** The dispatch mode from the declaration\'s `@mode` tag. */', + ' mode: string', + ' /** The exact listener signature, whitespace-normalized. */', + ' signature: string', + ' /** First sentence of the event JSDoc. */', + ' summary: string', + '}', + '', + '/** One inherited (cordis core + loader/hmr/timer) `ctx` member group with its summary. */', + 'export interface InheritedApiEntry {', + ' /** The `ctx` member name(s), e.g. `ctx.on / ctx.once`. */', + ' name: string', + ' /** One-line summary of what the member does. */', + ' summary: string', + '}', + '', + '/** One named type shape the service signatures reference. */', + 'export interface TypeApiEntry {', + ' /** The exported type/interface name, e.g. `BashRunResult`. */', + ' name: string', + ' /** The full declaration text, comments stripped. */', + ' declaration: string', + '}', + '', + '/** Every harness `ctx.<key>` service, sorted by key. */', + 'export const SERVICE_API: readonly ServiceApiEntry[] = [', + ] + for (const service of services) { + lines.push(' {') + lines.push(` key: ${quote(service.key)},`) + lines.push(` summary: ${quote(firstSentence(service.doc))},`) + if (service.methods.length === 0) { + lines.push(' methods: [],') + } else { + lines.push(' methods: [') + for (const method of service.methods) lines.push(` ${quote(method)},`) + lines.push(' ],') + } + lines.push(' },') + } + lines.push( + ']', + '', + '/** Every harness event, sorted by name. */', + 'export const EVENT_API: readonly EventApiEntry[] = [', + ) + for (const event of events) { + lines.push(' {') + lines.push(` name: ${quote(event.name)},`) + lines.push(` mode: ${quote(event.mode)},`) + lines.push(` signature: ${quote(event.signature)},`) + lines.push(` summary: ${quote(firstSentence(event.doc))},`) + lines.push(' },') + } + lines.push( + ']', + '', + '/** Shapes of every exported type the SERVICE_API signatures reference (transitively), sorted by name. */', + 'export const TYPE_API: readonly TypeApiEntry[] = [', + ) + for (const type of types) { + lines.push(' {') + lines.push(` name: ${quote(type.name)},`) + lines.push(` declaration: ${quote(type.declaration)},`) + lines.push(' },') + } + lines.push( + ']', + '', + '/** The inherited `ctx` surface (cordis core + loader/hmr/timer), in curated order. */', + 'export const INHERITED_CTX_API: readonly InheritedApiEntry[] = [', + ) + for (const inherited of INHERITED_SERVICES) { + lines.push(` { name: ${quote(inherited.name)}, summary: ${quote(inherited.summary)} },`) + } + lines.push(']', '') + return lines.join('\n') +} + +/** CLI entry: default writes the artifact, `--check` fails if the committed + * copy is stale. Guarded behind an entry-point check so importing this module + * for tests neither regenerates the committed file nor calls process.exit. */ +function main(): void { + const content = render() + if (process.argv.includes('--check')) { + let committed: string | null = null + try { + committed = readFileSync(resolve(root, OUT), 'utf8') + } catch { + // Only ENOENT (not yet generated) is expected; a present-but-unreadable + // file is not a state this repo produces. Either way the remedy is the + // same — regenerate — so treat a read failure as "stale". + committed = null + } + if (committed === content) { + console.log(`gen-cordis-api: ${OUT} is up to date.`) + process.exit(0) + } + console.error(`gen-cordis-api: ${OUT} is stale. Run \`pnpm run gen-cordis-api\` and commit ${OUT}.`) + process.exit(1) + } + + writeFileSync(resolve(root, OUT), content) + console.log(`gen-cordis-api: wrote ${OUT}.`) +} + +// Run only when invoked as a script, not when imported by a test. +if (process.argv[1] && import.meta.filename === resolve(process.argv[1])) { + main() +} diff --git a/scripts/gen-cordis-catalog.ts b/scripts/gen-cordis-catalog.ts index 62cf2bbdc6..7c6666542b 100644 --- a/scripts/gen-cordis-catalog.ts +++ b/scripts/gen-cordis-catalog.ts @@ -1,25 +1,28 @@ /** - * Generate (and verify) the cordis events + services catalog in - * docs/cordis-catalog/events-and-services.md. + * Generate (and verify) the cordis events and services catalogs in + * docs/cordis-catalog/events.md and docs/cordis-catalog/services.md. * - * The catalog is the WIRING-axis reference: every cordis event a plugin can - * listen to (exact signature + dispatch mode) and every `ctx.<key>` service it - * can call (exact public interface). It complements the core-data-structures - * catalog (the VOCABULARY axis — the types these signatures move around). + * The two pages are the WIRING-axis reference, one axis each: every cordis + * event a plugin can listen to (exact signature + dispatch mode) and every + * `ctx.<key>` service it can call (exact public interface). They complement the + * core-data-structures catalog (the VOCABULARY axis — the types these + * signatures move around). * - * The catalog is FULLY GENERATED from source — never hand-edit it. The codebase - * is disciplined enough that a pure-AST pass captures the whole truthful - * surface: every event/service is a string literal that round-trips to a static - * `interface Events` / `interface Context` declaration (no dynamically-named - * events, no runtime-only services). So the committed file is a build artifact - * and a regenerate-and-diff freshness check (`--check`) makes drift structurally - * impossible. Because generation enumerates source rather than checking a - * hand-written subset, a brand-new event cannot be silently undocumented — it - * appears in the next regenerate, and an un-regenerated file fails `--check`. + * The catalogs are FULLY GENERATED from source — never hand-edit them. The + * codebase is disciplined enough that a pure-AST pass captures the whole + * truthful surface: every event/service is a string literal that round-trips + * to a static `interface Events` / `interface Context` declaration (no + * dynamically-named events, no runtime-only services). So the committed files + * are build artifacts and a regenerate-and-diff freshness check (`--check`) + * makes drift structurally impossible. Because generation enumerates source + * rather than checking a hand-written subset, a brand-new event cannot be + * silently undocumented — it appears in the next regenerate, and an + * un-regenerated file fails `--check`. * - * `tsx scripts/gen-cordis-catalog.ts` → write the catalog - * `tsx scripts/gen-cordis-catalog.ts --check` → exit 1 if the committed file - * is stale (CI / pre-push gate) + * `tsx scripts/gen-cordis-catalog.ts` → write both catalogs + * `tsx scripts/gen-cordis-catalog.ts --check` → exit 1 if a committed + * catalog is stale (CI / + * pre-push gate) * * The HARNESS tier (the `@deepseek-ai/dsh-*` events + services) is rendered in * full from source: signature, the `@mode` badge, and the declaration's JSDoc. @@ -37,7 +40,9 @@ * a stale `@param` naming no real parameter errors. Violations aggregate into * ONE error listing every offender. The tags are enforcement-only: parseJsDoc * stops prose at the first block tag, so they never change the rendered - * catalog. The INHERITED + * catalog. The parsing + check helpers live in `scripts/jsdoc.ts`, shared with + * the whole-export-surface gate (`scripts/verify-export-jsdoc.ts`) so + * "documented" means the same thing on both surfaces. The INHERITED * tier (cordis core + loader/hmr/timer) is pinned vendor source a plugin author * also sees; it is rendered tersely (name + one-line + source pointer) from a * curated table in this script, NOT elevated to the harness tier's prominence. @@ -50,45 +55,56 @@ import { globSync, readFileSync, writeFileSync } from 'node:fs' import { resolve } from 'node:path' import ts from 'typescript' +import { checkParams, checkReturns, parseJsDoc, parseTags, pointer, rawJsDoc, reportViolations, type Mode } from './jsdoc.ts' const root = resolve(import.meta.dirname, '..') -const OUT = 'docs/cordis-catalog/events-and-services.md' +const OUT_EVENTS = 'docs/cordis-catalog/events.md' +const OUT_SERVICES = 'docs/cordis-catalog/services.md' /** The fenced-block info string for generated signature blocks (skipped by * doc-typecheck, since a bare signature fragment is not standalone-compilable). */ const FENCE = 'ts cordis-catalog' -/** A dispatch mode, rendered as the badge after an event name. */ -type Mode = 'emit' | 'waterfall' | 'parallel' | 'serial' - /** * Cross-link map: a type name that appears in a signature → the - * core-data-structures page that documents it (path relative to OUT's folder). + * core-data-structures page that documents it (path relative to the catalogs' + * folder). * Hand-curated and catalog-owned, NOT derived from type-equiv.manifest.json — * that manifest documents the `…Map` symbols (`ContentBlockMap`) while * signatures reference the derived UNION names (`ContentBlock`), and it lists a * few symbols on two pages. Here each name resolves to exactly one PRIMARY page. + * Shared with `gen-config-catalog.ts` (each caller prefixes its own relative + * path to `core-data-structures/`), so both catalogs cross-link identically. * TODO(catalog-type-links): add a verifier or generator for link-map coverage * so new hook-era decision types like `PromptDecision` / `PreToolDecision` do * not silently appear in signatures without a "Types:" link. */ -const LINK_MAP: Record<string, string> = { +export const LINK_MAP: Record<string, string> = { Agent: 'core.md', ContentBlock: 'core.md', Message: 'core.md', MessageSource: 'core.md', GenerateOptions: 'core.md', + LlmCallConfig: 'core.md', SessionEvent: 'core.md', StreamChunk: 'llm-streaming.md', TurnEndReason: 'session.md', ToolDefinition: 'tools.md', ToolExecution: 'tools.md', ToolExecutionResult: 'tools.md', + ApprovalOutcome: 'approval.md', + ApprovalPolicy: 'approval.md', + ApprovalRequest: 'approval.md', BashExecRequest: 'bash.md', BashExecSpec: 'bash.md', BashRunResult: 'bash.md', BashTask: 'bash.md', BashTaskRead: 'bash.md', + ConfinedArgv: 'sandbox.md', + SandboxMode: 'sandbox.md', + SandboxPolicy: 'sandbox.md', + CodeRunRequest: 'code-runtime.md', + CodeRunResult: 'code-runtime.md', FsEditOutcome: 'filesystem.md', FsEditRequest: 'filesystem.md', FsInfo: 'filesystem.md', @@ -140,132 +156,6 @@ interface InheritedEntry { source: string } -/** Repo-relative source pointer `file:line` for a node's first character. */ -function pointer(rel: string, sf: ts.SourceFile, node: ts.Node): string { - const { line } = sf.getLineAndCharacterOfPosition(node.getStart(sf)) - return `${rel}:${line + 1}` -} - -/** The raw `/** … *​/` JSDoc block immediately preceding a node, or '' if none. */ -function rawJsDoc(text: string, node: ts.Node): string { - const ranges = ts.getLeadingCommentRanges(text, node.getFullStart()) ?? [] - const jsdoc = ranges.filter(r => text.slice(r.pos, r.pos + 3) === '/**').at(-1) - return jsdoc ? text.slice(jsdoc.pos, jsdoc.end) : '' -} - -/** - * Parse a raw JSDoc block into description prose + the `@mode` tag (when - * present). Output obeys the repo's markdown conventions so the generated file - * passes verify-md-wrap: each prose paragraph collapses to ONE physical line, - * and a `-` bullet list is preserved with each item on its own single line - * (continuation lines folded in). `{@link Foo}` unwraps to `Foo`. Description - * prose ends at the FIRST block tag (standard JSDoc semantics): tag lines and - * their continuation lines are never prose, so `@param`/`@returns` blocks are - * invisible to the rendered catalog. - */ -function parseJsDoc(raw: string): { doc: string; mode: Mode | null } { - const inner = raw - .replace(/^\/\*\*/, '') - .replace(/\*\/$/, '') - .split('\n') - .map(l => l.replace(/^\s*\*?\s?/, '').replace(/\s+$/, '')) - let mode: Mode | null = null - let inTags = false - const blocks: string[] = [] - let para: string[] = [] - let list: string[] = [] - let item: string[] = [] - const join = (parts: string[]): string => parts.join(' ').replace(/\s+/g, ' ').trim() - const flushItem = (): void => { - if (item.length) list.push(join(item)) - item = [] - } - const flushList = (): void => { - flushItem() - if (list.length) blocks.push(list.join('\n')) // one block, items on own lines - list = [] - } - const flushPara = (): void => { - flushList() - if (para.length) blocks.push(join(para)) - para = [] - } - for (const line of inner) { - const m = /^@mode\s+(emit|waterfall|parallel|serial)\s*$/.exec(line) - if (m) { mode = m[1] as Mode; flushPara(); inTags = true; continue } - if (line.startsWith('@')) { flushPara(); inTags = true; continue } - if (inTags) continue // block-tag territory: continuations are never prose - if (line.trim() === '') { flushPara(); continue } - if (/^-\s+/.test(line)) { - // A list item starts: a pending paragraph (e.g. an intro line directly - // above the list, no blank between) flushes FIRST so it renders above. - flushItem() - if (para.length) { blocks.push(join(para)); para = [] } - item.push(line) - continue - } - if (item.length) { item.push(line); continue } // continuation of current item - para.push(line) - } - flushPara() - const doc = blocks.join('\n\n').replace(/\{@link\s+([^}]+)\}/g, '$1').trim() - return { doc, mode } -} - -/** - * Parse the block tags of a raw JSDoc comment for the completeness checks: - * every `@param name — description` entry plus the `@returns` description. - * Standard JSDoc block-tag semantics — a tag's description runs across - * continuation lines until the next tag or a blank line, and the `-`/`—` - * separator after a param name is optional. `[name]` optional-brackets unwrap - * to `name`. Rendering never sees these: parseJsDoc stops prose at the first - * block tag. - */ -function parseTags(raw: string): { params: Map<string, string>; returns: string | null } { - const inner = raw - .replace(/^\/\*\*/, '') - .replace(/\*\/$/, '') - .split('\n') - .map(l => l.replace(/^\s*\*?\s?/, '').replace(/\s+$/, '')) - const params = new Map<string, string>() - let returns: string | null = null - let sink: ((text: string) => void) | null = null - for (const line of inner) { - const param = /^@param\s+(\[?[\w$]+\]?)\s*(?:[-—–]\s*)?(.*)$/.exec(line) - if (param) { - const name = (param[1] ?? '').replace(/^\[|\]$/g, '') - let acc = param[2] ?? '' - params.set(name, acc) - sink = (t) => { acc = acc ? `${acc} ${t}` : t; params.set(name, acc) } - continue - } - const ret = /^@returns?(?:\s+[-—–]?\s*(.*))?$/.exec(line) - if (ret) { - let acc = ret[1] ?? '' - returns = acc - sink = (t) => { acc = acc ? `${acc} ${t}` : t; returns = acc } - continue - } - if (line.startsWith('@') || line.trim() === '') { sink = null; continue } - sink?.(line.trim()) - } - return { params, returns } -} - -/** - * Throw one aggregate error for every completeness violation a walk collected. - * Aggregation (vs the fail-fast the @mode check used to do) is deliberate: a - * remediation pass sees the whole list at once instead of replaying the gate - * once per offender. - */ -function reportViolations(violations: string[]): void { - if (violations.length === 0) return - throw new Error( - `gen-cordis-catalog: ${violations.length} JSDoc completeness violation(s) (see AGENTS.md):\n` - + violations.map(v => ` ${v}`).join('\n'), - ) -} - /** Find the `declare module 'cordis'` body in a source file, or null. */ function cordisModuleBody(sf: ts.SourceFile): ts.ModuleBlock | null { for (const stmt of sf.statements) { @@ -328,27 +218,13 @@ export function collectEvents(scanRoot: string = root): EventEntry[] { // (mode machinery, documented once by @mode semantics). Documenting an // exempt parameter anyway is allowed — only absence is checked. const { params } = parseTags(raw) - for (const p of member.parameters) { - if (!ts.isIdentifier(p.name)) { - violations.push(`${where}: parameter '${p.name.getText(sf)}' is a binding pattern; the event surface needs simple identifier parameters so @param can name them.`) - continue - } - const pname = p.name.text - if (pname === 'this' || (hasNext && p === last)) continue - const desc = params.get(pname) - if (desc === undefined) violations.push(`${where} is missing @param ${pname}.`) - else if (!desc.trim()) violations.push(`${where}: @param ${pname} has an empty description.`) - } - for (const tag of params.keys()) { - if (!member.parameters.some(p => ts.isIdentifier(p.name) && p.name.text === tag)) { - violations.push(`${where}: @param ${tag} does not match any parameter (stale tag?).`) - } - } + checkParams(where, 'event', member.parameters, params, sf, + p => (ts.isIdentifier(p.name) && p.name.text === 'this') || (hasNext && p === last), violations) if (mode) entries.push({ name, scope: name.split('/')[0] ?? name, signature, mode, doc, source: src }) } } } - reportViolations(violations) + reportViolations('gen-cordis-catalog', violations) return entries } @@ -409,35 +285,12 @@ export function collectServices(scanRoot: string = root): ServiceEntry[] { if (!raw) { violations.push(`${where} has no JSDoc.`); continue } if (!parseJsDoc(raw).doc) violations.push(`${where} has no description prose above its block tags.`) const { params, returns } = parseTags(raw) - // Every parameter needs a non-empty @param; a `this` receiver - // annotation is not payload and is exempt. - for (const p of member.parameters) { - if (!ts.isIdentifier(p.name)) { - violations.push(`${where}: parameter '${p.name.getText(sf)}' is a binding pattern; the service surface needs simple identifier parameters so @param can name them.`) - continue - } - const pname = p.name.text - if (pname === 'this') continue - const desc = params.get(pname) - if (desc === undefined) violations.push(`${where} is missing @param ${pname}.`) - else if (!desc.trim()) violations.push(`${where}: @param ${pname} has an empty description.`) - } - for (const tag of params.keys()) { - if (!member.parameters.some(p => ts.isIdentifier(p.name) && p.name.text === tag)) { - violations.push(`${where}: @param ${tag} does not match any parameter (stale tag?).`) - } - } - // A non-void result needs a non-empty @returns. The return type must be - // ANNOTATED: a pure-AST walk cannot classify an inferred return. On a - // `void`/`Promise<void>` method @returns stays optional (resolution - // timing can be worth documenting), never required. - const rt = member.type?.getText(sf).replace(/\s+/g, ' ') - if (rt === undefined) { - violations.push(`${where} has no return type annotation; annotate it explicitly so the gate can classify the result.`) - } else if (!/^(void|Promise<void>)$/.test(rt)) { - if (returns === null) violations.push(`${where} is missing @returns (return type: ${rt}).`) - else if (!returns.trim()) violations.push(`${where}: @returns has an empty description.`) - } + // Every parameter needs a non-empty @param (`this` receiver exempt), + // and a non-void ANNOTATED result needs a non-empty @returns — the + // shared checkers carry the exact contract. + checkParams(where, 'service', member.parameters, params, sf, + p => ts.isIdentifier(p.name) && p.name.text === 'this', violations) + checkReturns(where, member.type, returns, sf, violations) } entries.push({ key, @@ -449,7 +302,7 @@ export function collectServices(scanRoot: string = root): ServiceEntry[] { }) } } - reportViolations(violations) + reportViolations('gen-cordis-catalog', violations) return entries.sort((a, b) => a.key.localeCompare(b.key)) } @@ -480,7 +333,7 @@ const INHERITED_EVENTS: InheritedEntry[] = [ { name: 'loader/patch-context', summary: 'A context is being patched during a reload.', source: 'vendor/loader/src/index.ts:27' }, ] -const INHERITED_SERVICES: InheritedEntry[] = [ +export const INHERITED_SERVICES: InheritedEntry[] = [ { name: 'ctx.on / ctx.once', summary: 'Register an event listener (disposable).', source: 'vendor/cordis/src/events.ts:29' }, { name: 'ctx.emit / ctx.parallel / ctx.serial / ctx.bail / ctx.waterfall', summary: 'Dispatch an event (sync / awaited / first-bail / veto-chain).', source: 'vendor/cordis/src/events.ts:29' }, { name: 'ctx.plugin / ctx.inject', summary: 'Load a plugin / declare required services.', source: 'vendor/cordis/src/registry.ts:144' }, @@ -506,7 +359,7 @@ function typeLinks(signature: string): string { /** Render one harness event entry. */ function renderEvent(e: EventEntry): string[] { - const out = [`#### \`${e.name}\` — ${e.mode}`, ''] + const out = [`### \`${e.name}\` — ${e.mode}`, ''] if (e.doc) out.push(e.doc, '') out.push('```' + FENCE, e.signature, '```', '') const links = typeLinks(e.signature) @@ -518,7 +371,7 @@ function renderEvent(e: EventEntry): string[] { /** Render one harness service entry. */ function renderService(s: ServiceEntry): string[] { const kind = s.abstract ? ' (abstract seam)' : '' - const out = [`### \`ctx.${s.key}\` — \`${s.type}\`${kind}`, ''] + const out = [`## \`ctx.${s.key}\` — \`${s.type}\`${kind}`, ''] if (s.doc) out.push(s.doc, '') if (s.methods.length) { out.push('```' + FENCE, ...s.methods, '```', '') @@ -529,51 +382,71 @@ function renderService(s: ServiceEntry): string[] { return out } -/** Render the full catalog (pure, deterministic given sorted inputs). */ -function render(events: EventEntry[], services: ServiceEntry[]): string { +/** The shared generated-file banner comment. */ +const BANNER = [ + '<!-- Generated by scripts/gen-cordis-catalog.ts — do not edit by hand.', + ' Run `pnpm run gen-cordis-catalog` to regenerate. -->', + '', +] + +/** The shared GENERATED + freshness-gate + fence notice paragraph. */ +const GATE_NOTICE = 'This file is GENERATED from source (`scripts/gen-cordis-catalog.ts`) and verified fresh by `pnpm run verify-cordis-catalog` (part of `doc-sync`) — do not edit it by hand. Signature blocks use a `ts cordis-catalog` fence (skipped by doc-typecheck, since a bare signature is not standalone-compilable). Type names in a signature link to the page that documents them.' + +/** Render the events catalog (pure, deterministic given sorted inputs). */ +function renderEvents(events: EventEntry[]): string { const lines: string[] = [ - '<!-- Generated by scripts/gen-cordis-catalog.ts — do not edit by hand.', - ' Run `pnpm run gen-cordis-catalog` to regenerate. -->', + ...BANNER, + '# Cordis Events Catalog', '', - '# Cordis Events & Services Catalog', + 'Every cordis event a plugin can listen to: exact signature, dispatch mode, and the declaration\'s JSDoc. This is one axis of the **wiring** reference a plugin author works against — the callable `ctx.<key>` surface is the sibling [services catalog](services.md), and [core-data-structures/](../core-data-structures/core.md) catalogs the *data structures* these signatures move around.', '', - 'An index reference to the **wiring** a plugin author works against: every cordis event you can listen to (exact signature + dispatch mode) and every `ctx.<key>` service you can call (exact public interface). It complements [core-data-structures/](../core-data-structures/core.md), which catalogs the *data structures* these signatures move around — this page is the verbs, that page is the nouns.', + GATE_NOTICE, '', - 'This file is GENERATED from source (`scripts/gen-cordis-catalog.ts`) and verified fresh by `pnpm run verify-cordis-catalog` (part of `doc-sync`) — do not edit it by hand. Signature blocks use a `ts cordis-catalog` fence (skipped by doc-typecheck, since a bare signature is not standalone-compilable). Type names in a signature link to the page that documents them.', + 'The **harness tier** below (the `@deepseek-ai/dsh-*` packages) is the vocabulary this repo owns, grouped by scope. The **inherited tier** at the end is the cordis-core + loader/hmr/timer event surface a plugin also sees — pinned vendor source, summarized tersely.', '', - 'The **harness tier** below (the `@deepseek-ai/dsh-*` packages) is the vocabulary this repo owns. The **inherited tier** at the end is the cordis-core + loader/hmr/timer surface a plugin also sees — pinned vendor source, summarized tersely.', - '', - '## Events', - '', - 'Dispatch modes: **emit** (fire-and-forget), **waterfall** (each listener gets `next()` and may transform or veto — see [waterfall semantics](../architecture.md#cordis-waterfall-semantics-important)), **parallel** (awaited fan-out; all listeners run), **serial** (awaited in registration order until one returns a bail value — anything other than `null`, `false`, or `undefined`).', + 'Dispatch modes: **emit** (fire-and-forget), **waterfall** (each listener gets `next()` and may transform or veto — see [waterfall semantics](../cordis-primer.md#cordis-waterfall-semantics)), **parallel** (awaited fan-out; all listeners run), **serial** (awaited in registration order until one returns a bail value — anything other than `null`, `false`, or `undefined`).', '', ] const scopes = [...new Set(events.map(e => e.scope))].sort() for (const scope of scopes) { - lines.push(`### \`${scope}/*\``, '') + lines.push(`## \`${scope}/*\``, '') for (const e of events.filter(x => x.scope === scope).sort((a, b) => a.name.localeCompare(b.name))) { lines.push(...renderEvent(e)) } } lines.push( - '## Services', + '## Inherited events (cordis core + loader/hmr/timer)', '', - 'The `ctx.<key>` services the harness provides. An abstract seam (e.g. `ctx.bash`) is implemented by a separate package; the interface is what consumers code against.', - '', - ) - for (const s of services) lines.push(...renderService(s)) - lines.push( - '## Inherited tier (cordis core + loader/hmr/timer)', - '', - 'The framework surface every plugin inherits, beyond the harness vocabulary above. This is pinned vendor source ([vendoring policy](../../vendor/README.md)); it is summarized here so the catalog is a complete picture of what `ctx` and the event bus offer, without elevating framework internals to the harness tier\'s prominence.', - '', - '### Inherited events', + 'The framework events every plugin also sees, beyond the harness vocabulary above. This is pinned vendor source ([vendoring policy](../../vendor/README.md)); it is summarized here so the page is a complete picture of the event bus, without elevating framework internals to the harness tier\'s prominence.', '', ) for (const e of INHERITED_EVENTS) { lines.push(`- \`${e.name}\` — ${e.summary} ([\`${e.source}\`](../../${e.source.split(':')[0]}))`) } - lines.push('', '### Inherited `ctx` members', '') + lines.push('') + return lines.join('\n') +} + +/** Render the services catalog (pure, deterministic given sorted inputs). */ +function renderServices(services: ServiceEntry[]): string { + const lines: string[] = [ + ...BANNER, + '# Cordis Services Catalog', + '', + 'Every `ctx.<key>` service a plugin can call: the exact public interface plus the class JSDoc. This is one axis of the **wiring** reference a plugin author works against — the events a plugin listens to are the sibling [events catalog](events.md), and [core-data-structures/](../core-data-structures/core.md) catalogs the *data structures* these signatures move around. An abstract seam (e.g. `ctx.bash`) is implemented by a separate package; the interface is what consumers code against.', + '', + GATE_NOTICE, + '', + 'The **harness tier** below (the `@deepseek-ai/dsh-*` packages) is the vocabulary this repo owns. The **inherited tier** at the end is the cordis-core + loader/hmr/timer `ctx` surface a plugin also sees — pinned vendor source, summarized tersely.', + '', + ] + for (const s of services) lines.push(...renderService(s)) + lines.push( + '## Inherited `ctx` members (cordis core + loader/hmr/timer)', + '', + 'The framework `ctx` surface every plugin also sees, beyond the harness services above. This is pinned vendor source ([vendoring policy](../../vendor/README.md)); it is summarized here so the page is a complete picture of what `ctx` offers, without elevating framework internals to the harness tier\'s prominence.', + '', + ) for (const s of INHERITED_SERVICES) { lines.push(`- \`${s.name}\` — ${s.summary} ([\`${s.source}\`](../../${s.source.split(':')[0]}))`) } @@ -581,31 +454,38 @@ function render(events: EventEntry[], services: ServiceEntry[]): string { return lines.join('\n') } -/** CLI entry: `--write` (default) writes the catalog, `--check` fails if stale. - * Guarded behind an entry-point check so importing this module for tests neither - * regenerates the committed file nor calls process.exit. */ +/** CLI entry: `--write` (default) writes both catalogs, `--check` fails if + * either is stale. Guarded behind an entry-point check so importing this module + * for tests neither regenerates the committed files nor calls process.exit. */ function main(): void { - const content = render(collectEvents(), collectServices()) + const outputs: [string, string][] = [ + [OUT_EVENTS, renderEvents(collectEvents())], + [OUT_SERVICES, renderServices(collectServices())], + ] if (process.argv.includes('--check')) { - let committed: string | null = null - try { - committed = readFileSync(resolve(root, OUT), 'utf8') - } catch { - // Only ENOENT (not yet generated) is expected; a present-but-unreadable - // file is not a state this repo produces. Either way the remedy is the - // same — regenerate — so treat a read failure as "stale". - committed = null + const stale: string[] = [] + for (const [out, content] of outputs) { + let committed: string | null = null + try { + committed = readFileSync(resolve(root, out), 'utf8') + } catch { + // Only ENOENT (not yet generated) is expected; a present-but-unreadable + // file is not a state this repo produces. Either way the remedy is the + // same — regenerate — so treat a read failure as "stale". + committed = null + } + if (committed !== content) stale.push(out) } - if (committed === content) { - console.log(`gen-cordis-catalog: ${OUT} is up to date.`) + if (stale.length === 0) { + console.log(`gen-cordis-catalog: ${OUT_EVENTS} and ${OUT_SERVICES} are up to date.`) process.exit(0) } - console.error(`gen-cordis-catalog: ${OUT} is stale. Run \`pnpm run gen-cordis-catalog\` and commit ${OUT}.`) + console.error(`gen-cordis-catalog: ${stale.join(' and ')} ${stale.length === 1 ? 'is' : 'are'} stale. Run \`pnpm run gen-cordis-catalog\` and commit the result.`) process.exit(1) } - writeFileSync(resolve(root, OUT), content) - console.log(`gen-cordis-catalog: wrote ${OUT}.`) + for (const [out, content] of outputs) writeFileSync(resolve(root, out), content) + console.log(`gen-cordis-catalog: wrote ${OUT_EVENTS} and ${OUT_SERVICES}.`) } // Run only when invoked as a script, not when imported by a test. diff --git a/scripts/gen-doc-graphs.ts b/scripts/gen-doc-graphs.ts new file mode 100644 index 0000000000..ec92045069 --- /dev/null +++ b/scripts/gen-doc-graphs.ts @@ -0,0 +1,858 @@ +/** + * Generate (and verify) the relationship-diagram docs. + * + * This is the relationship layer above the existing catalogs: + * - module-graph.md answers "which packages depend on which packages?" + * - cordis-catalog/ answers "which events and services exist?" + * - tool-catalog.md answers "which tools does the model see?" + * - generated relationship diagrams answer "how do those pieces fit together?" + * + * Generated pages discover the enumerable facts from source. Hybrid pages use + * discovered inventory plus small manifests for policy that source cannot infer + * (for example, whether a package is an implementation or consumer in a seam). + * Curated pages are still emitted here so the graph docs are one regenerated unit, + * but their diagrams intentionally explain flow and ownership rather than + * pretending to enumerate every source edge. + * + * `tsx scripts/gen-doc-graphs.ts` -> write generated diagram docs + * `tsx scripts/gen-doc-graphs.ts --check` -> exit 1 if any file is stale + */ + +import { existsSync, globSync, mkdirSync, readFileSync, writeFileSync } from 'node:fs' +import { dirname, relative, resolve } from 'node:path' +import ts from 'typescript' +import { collectEvents, collectServices } from './gen-cordis-catalog.ts' + +const root = resolve(import.meta.dirname, '..') +const SCOPE = '@deepseek-ai/dsh-' + +interface PkgJson { + name: string + peerDependencies?: Record<string, string> +} + +interface Pkg { + short: string + name: string + group: string + rel: string + deps: string[] +} + +interface GraphDoc { + rel: string + content: string +} + +interface ServiceRole { + key: string + pkg: string + title: string + mode: 'core' | 'seam' | 'bundle' + implementations?: string[] + consumers?: string[] + companions?: string[] + note: string +} + +interface ExamplePlugin { + id: string + name: string +} + +interface EventRelation { + dispatchers: Map<string, Set<string>> + listeners: Set<string> +} + +const GROUP_ORDER = [ + 'util', + 'llm', + 'core', + 'bash', + 'sandbox', + 'fs', + 'skill', + 'compact', + 'subagent', + 'web', + 'todo', + 'cordis', + 'hooks', + 'session-persistence', + 'support', + 'ui', +] + +const SERVICE_ROLES: ServiceRole[] = [ + { + key: 'llm', + pkg: 'llm', + title: 'LLM adapter registry', + mode: 'seam', + implementations: ['llm-deepseek', 'llm-pi-ai', 'llm-replay'], + consumers: ['agent-loop', 'compact-basic'], + note: 'Adapters register provider implementations; the loop and compaction call the provider-neutral stream service.', + }, + { + key: 'sessions', + pkg: 'session', + title: 'In-memory session store', + mode: 'core', + consumers: ['agent-loop', 'agent', 'session-persistence', 'subagent-inprocess', 'invariants'], + note: 'Owns append-only Session instances and emits the durable session event feed.', + }, + { + key: 'sessionPersistence', + pkg: 'session-persistence', + title: 'Durable session persistence seam', + mode: 'seam', + implementations: ['session-persistence-jsonl', 'session-persistence-sqlite'], + consumers: ['agent-loop', 'acp'], + note: 'Backends persist the same SessionEvent vocabulary; apps choose a backend at composition time.', + }, + { + key: 'systemPrompt', + pkg: 'system-prompt', + title: 'System prompt assembly registry', + mode: 'core', + consumers: ['agent-loop', 'tools', 'tool-fs', 'tool-web'], + note: 'Collects prompt sections and model-facing tool schemas for each step.', + }, + { + key: 'tools', + pkg: 'tools', + title: 'Tool registry and execution waterfall', + mode: 'core', + consumers: ['agent-loop', 'tool-ask-user', 'tool-bash', 'tool-cordis', 'tool-fs', 'tool-skill', 'tool-subagent', 'tool-todo', 'tool-web', 'acp'], + note: 'Registers tool definitions, exposes schemas to the prompt, and routes calls through tools/pre-execute and tools/post-execute.', + }, + { + key: 'userInteraction', + pkg: 'user-interaction', + title: 'Human question/answer seam', + mode: 'seam', + implementations: ['stdio-agent', 'acp'], + consumers: ['tool-ask-user', 'stdio-agent', 'acp'], + note: 'UI front doors provide the active human-answer provider; tool-ask-user pauses a tool call on the provider-neutral ask() promise.', + }, + { + key: 'skills', + pkg: 'skill', + title: 'Skill provider registry', + mode: 'seam', + implementations: ['skill-local'], + consumers: ['tool-skill'], + note: 'Merges provider skill catalogs; tool-skill renders the session-prefix catalog and loads complete skill bodies.', + }, + { + key: 'agents', + pkg: 'agent', + title: 'Agent registry', + mode: 'core', + consumers: ['agent-loop', 'acp', 'subagent-inprocess', 'stdio-agent', 'invariants'], + note: 'Owns live Agent handles and the create/resume factory seam.', + }, + { + key: 'agentLoop', + pkg: 'agent-loop', + title: 'Concrete loop driver', + mode: 'bundle', + consumers: ['agent-core'], + note: 'The one concrete loop plugin; extension packages depend on dsh-agent events and services, not on this package.', + }, + { + key: 'bash', + pkg: 'bash', + title: 'Bash executor seam', + mode: 'seam', + implementations: ['bash-local', 'bash-sandbox'], + consumers: ['tool-bash', 'hooks-claude', 'hooks-codex'], + note: 'The model-facing bash tools and hook bridges consume this seam; sandboxed or remote executors replace bash-local without touching them.', + }, + { + key: 'sandbox', + pkg: 'sandbox', + title: 'Process-sandbox seam', + mode: 'seam', + implementations: ['sandbox-local'], + consumers: ['bash-sandbox'], + note: 'Consumers hand over the exact argv they are about to spawn; same-world backends wrap it under a per-call policy and report enforcement.', + }, + { + key: 'approval', + pkg: 'approval', + title: 'Approval seam', + mode: 'seam', + implementations: ['acp'], + consumers: ['tools', 'tool-bash'], + note: 'One-shot permission decisions dispatched over the `approval/request` waterfall; answerers are listeners (the ACP bridge for its own agents), absence fails closed to `unavailable`.', + }, + { + key: 'codeRuntime', + pkg: 'code-runtime', + title: 'Code-execution seam', + mode: 'seam', + implementations: ['code-runtime-worker'], + consumers: ['tools'], + note: 'Runs one model-written program against host-provided async bindings; backends differ by substrate and language (the tool registry consumes it for Code Mode).', + }, + { + key: 'fs', + pkg: 'fs', + title: 'Filesystem provider seam', + mode: 'seam', + implementations: ['fs-local'], + consumers: ['tool-fs'], + companions: ['fs-policy'], + note: 'tool-fs executes read/write/edit through ctx.fs; fs-policy contributes observed-state checks through the fs/* event gate.', + }, + { + key: 'compact', + pkg: 'compact', + title: 'Compaction seam', + mode: 'seam', + implementations: ['compact-basic'], + consumers: ['compact-basic'], + note: 'The basic backend currently consumes the pre-step event directly; a model-facing compact tool remains deferred.', + }, + { + key: 'subagents', + pkg: 'subagent', + title: 'Subagent provider registry', + mode: 'seam', + implementations: ['subagent-spawn', 'subagent-fork', 'subagent-acp', 'subagent-mock'], + consumers: ['tool-subagent'], + note: 'Providers implement transports; tool-subagent exposes one configured provider as a model-facing tool name.', + }, + { + key: 'web', + pkg: 'web', + title: 'Web access provider registry', + mode: 'seam', + implementations: ['web-search-exa', 'web-search-perplexity', 'web-search-deepseek', 'web-fetch-local'], + consumers: ['tool-web'], + note: 'Search and fetch providers register into one ctx.web seam; tool-web owns the stable model-facing names.', + }, + { + key: 'workflows', + pkg: 'workflow', + title: 'Workflow script engine', + mode: 'seam', + implementations: ['workflow-workerthread'], + consumers: ['tool-workflow'], + note: 'One engine per context (bash shape, no named-provider registry); the worker-thread engine fans agent() calls out through ctx.subagents.', + }, +] + +const DYNAMIC_EVENT_DISPATCHERS: Array<{ event: string; pkg: string; method: string }> = [ + // Subagent lifecycle events intentionally bypass ctx.emit and call + // ctx.events.dispatch directly so one throwing listener cannot starve later + // listeners or strand an already-started child run. + { event: 'subagent/start', pkg: 'subagent', method: 'events.dispatch' }, + { event: 'subagent/end', pkg: 'subagent', method: 'events.dispatch' }, + // The workflow/* lifecycle events dispatch the same way, for the same + // per-listener-containment reason (WorkflowService.emitWorkflowEvent). + { event: 'workflow/start', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/phase', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/log', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/agent-start', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/agent-end', pkg: 'workflow', method: 'events.dispatch' }, + { event: 'workflow/end', pkg: 'workflow', method: 'events.dispatch' }, +] + +function generatedHeader(title: string): string[] { + return [ + '<!-- Generated by scripts/gen-doc-graphs.ts - do not edit by hand.', + ' Run `pnpm run gen-doc-graphs` to regenerate. -->', + '', + `# ${title}`, + '', + ] +} + +function maintenanceFooter(source: string): string[] { + return [`Maintenance mode: ${source}.`, ''] +} + +function graphIndexLink(rel: string): string { + return relative('docs', rel).replaceAll('\\', '/') +} + +function linkFromDoc(docRel: string, targetRel: string): string { + return relative(dirname(docRel), targetRel).replaceAll('\\', '/') +} + +function collectPackages(): Pkg[] { + const pkgs: Pkg[] = [] + for (const rel of globSync('packages/*/*/package.json', { cwd: root }).sort()) { + const json = JSON.parse(readFileSync(resolve(root, rel), 'utf8')) as PkgJson + if (!json.name.startsWith(SCOPE)) continue + const [, group, leaf] = rel.split('/') + if (group === undefined || leaf === undefined) throw new Error(`gen-doc-graphs: unexpected package path ${rel}`) + const deps = Object.keys(json.peerDependencies ?? {}) + .filter(dep => dep.startsWith(SCOPE)) + .map(dep => dep.slice(SCOPE.length)) + .sort() + pkgs.push({ + short: json.name.slice(SCOPE.length), + name: json.name, + group, + rel: dirname(rel), + deps, + }) + } + return topoSort(pkgs) +} + +function topoSort(pkgs: Pkg[]): Pkg[] { + const remaining = new Map(pkgs.map(p => [p.short, p])) + const placed = new Set<string>() + const out: Pkg[] = [] + while (remaining.size > 0) { + const ready = [...remaining.values()] + .filter(pkg => pkg.deps.every(dep => placed.has(dep))) + .sort(comparePackages) + if (ready.length === 0) throw new Error(`gen-doc-graphs: dependency cycle among ${[...remaining.keys()].join(', ')}`) + for (const pkg of ready) { + out.push(pkg) + placed.add(pkg.short) + remaining.delete(pkg.short) + } + } + return out +} + +function comparePackages(a: Pkg, b: Pkg): number { + const groupA = GROUP_ORDER.indexOf(a.group) + const groupB = GROUP_ORDER.indexOf(b.group) + const normA = groupA === -1 ? Number.MAX_SAFE_INTEGER : groupA + const normB = groupB === -1 ? Number.MAX_SAFE_INTEGER : groupB + return normA - normB || a.group.localeCompare(b.group) || a.short.localeCompare(b.short) +} + +function nodeId(prefix: string, value: string): string { + return `${prefix}_${value.replace(/[^a-zA-Z0-9_]/g, '_')}` +} + +function escLabel(value: string): string { + return value.replace(/"/g, '\\"') +} + +function mermaidCode(value: string): string { + return `<code>${value.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>')}</code>` +} + +function repoLink(path: string, label: string, up = '..'): string { + return `[${label}](${up}/${path})` +} + +function sourceLink(source: string, up = '..'): string { + return repoLink(source.split(':')[0] ?? source, `\`${source}\``, up) +} + +function pkgLink(pkg: Pkg | undefined, fallback: string, up = '..'): string { + return pkg ? repoLink(pkg.rel, `\`${pkg.short}\``, up) : `\`${fallback}\`` +} + +function pkgList(names: string[] | undefined, pkgsByShort: Map<string, Pkg>): string { + if (!names || names.length === 0) return '-' + return names.map(name => pkgLink(pkgsByShort.get(name), name)).join(', ') +} + +function tableCell(value: string): string { + return value.replace(/\|/g, '\\|').replace(/\n/g, '<br>') +} + +function assertServiceRolesComplete(): void { + const discovered = new Set(collectServices().map(service => service.key)) + const classified = new Set(SERVICE_ROLES.map(role => role.key)) + const missing = [...discovered].filter(key => !classified.has(key)).sort() + const stale = [...classified].filter(key => !discovered.has(key)).sort() + if (missing.length || stale.length) { + throw new Error([ + missing.length ? `missing service role classification: ${missing.join(', ')}` : '', + stale.length ? `stale service role classification: ${stale.join(', ')}` : '', + ].filter(Boolean).join('; ')) + } +} + +function renderCapabilitySeams(pkgs: Pkg[]): string { + assertServiceRolesComplete() + const pkgsByShort = new Map(pkgs.map(pkg => [pkg.short, pkg])) + const maintenance = 'hybrid: services are discovered from Cordis declarations; interface/implementation/consumer roles are classified in `scripts/gen-doc-graphs.ts` with a completeness guard' + const nodes = new Map<string, string>() + const edges = new Set<string>() + const companionEdges = new Set<string>() + const addNode = (id: string, label: string): void => { + if (!nodes.has(id)) nodes.set(id, ` ${id}["${escLabel(label)}"]`) + } + const addEdge = (from: string, to: string): void => { edges.add(` ${from} --> ${to}`) } + const lines = generatedHeader('Capability Seams And Core Services') + lines.push( + 'A service can be a core spine service, a swappable capability seam, or a bundle/composition point. The graph shows the package that owns the service declaration, known implementation packages, and packages that consume the service directly.', + '', + '```mermaid', + 'flowchart LR', + ) + for (const role of SERVICE_ROLES) { + const svc = nodeId('svc', role.key) + const owner = nodeId('pkg', role.pkg) + addNode(owner, role.pkg) + addNode(svc, `ctx.${role.key}<br/>${role.title}`) + addEdge(owner, svc) + for (const impl of role.implementations ?? []) { + addNode(nodeId('pkg', impl), impl) + addEdge(nodeId('pkg', impl), svc) + } + for (const consumer of role.consumers ?? []) { + addNode(nodeId('pkg', consumer), consumer) + addEdge(svc, nodeId('pkg', consumer)) + } + for (const companion of role.companions ?? []) { + addNode(nodeId('pkg', companion), companion) + companionEdges.add(` ${svc} -. event gate .-> ${nodeId('pkg', companion)}`) + } + } + lines.push(...nodes.values(), ...[...edges].sort(), ...[...companionEdges].sort()) + lines.push('```', '', '| ctx key | Role | Owner | Implementations | Direct consumers | Companion plugins | Note |', '| --- | --- | --- | --- | --- | --- | --- |') + for (const role of SERVICE_ROLES) { + lines.push(`| \`ctx.${role.key}\` | \`${role.mode}\` | ${pkgLink(pkgsByShort.get(role.pkg), role.pkg)} | ${pkgList(role.implementations, pkgsByShort)} | ${pkgList(role.consumers, pkgsByShort)} | ${pkgList(role.companions, pkgsByShort)} | ${tableCell(role.note)} |`) + } + lines.push('', ...maintenanceFooter(maintenance)) + return lines.join('\n') +} + +function parseExampleCordis(rel: string): ExamplePlugin[] { + const text = readFileSync(resolve(root, rel), 'utf8') + const plugins: ExamplePlugin[] = [] + let current: { id: string; name?: string } | null = null + const flush = (): void => { + if (current?.name) plugins.push({ id: current.id, name: current.name }) + } + for (const line of text.split('\n')) { + const id = /^-\s+id:\s+(.+?)\s*$/.exec(line) + if (id?.[1] !== undefined) { + flush() + current = { id: stripYamlScalar(id[1]) } + continue + } + const name = /^\s+name:\s+(.+?)\s*$/.exec(line) + if (name?.[1] !== undefined && current) current.name = stripYamlScalar(name[1]) + } + flush() + return plugins +} + +function stripYamlScalar(value: string): string { + return value.trim().replace(/^['"]|['"]$/g, '') +} + +const APP_EXAMPLES = [ + { + id: 'echo', + rel: 'examples/echo-agent/composition.md', + title: 'Echo Agent App Composition', + label: 'examples/echo-agent', + config: 'examples/echo-agent/cordis.yml', + summary: 'The echo demo swaps in a local mock LLM and teaching echo tool, then loads the stdio app package for the shared spine and terminal front door.', + }, + { + id: 'coding', + rel: 'examples/coding-agent/composition.md', + title: 'Coding Agent App Composition', + label: 'examples/coding-agent', + config: 'examples/coding-agent/cordis.yml', + summary: 'The coding REPL demo adds the real DeepSeek adapter, filesystem tools, todo_write, compaction, and both subagent transports on top of the stdio app package.', + }, + { + id: 'cordis', + rel: 'examples/cordis-agent/composition.md', + title: 'Cordis Agent App Composition', + label: 'examples/cordis-agent', + config: 'examples/cordis-agent/cordis.yml', + summary: 'The self-referential demo puts @deepseek-ai/dsh-tool-cordis on the coding spine, letting the agent inspect its own runtime and mount/unmount plugins into it.', + }, + { + id: 'acp', + rel: 'examples/acp-agent/composition.md', + title: 'ACP Agent App Composition', + label: 'examples/acp-agent', + config: 'examples/acp-agent/cordis.yml', + summary: 'The ACP demo exposes the same agent spine over JSON-RPC stdio, with no stdout logger and no pre-created agent; clients create sessions through the ACP bridge.', + }, +] + +type AppExample = typeof APP_EXAMPLES[number] + +function renderAppExpansion(lines: string[], appNode: string, pluginName: string): void { + const agentCore = nodeId('bundle', 'agent_core') + const jsonl = nodeId('bundle', 'jsonl') + lines.push(` ${appNode} --> ${agentCore}["@deepseek-ai/dsh-agent-core"]`) + lines.push(` ${appNode} --> ${jsonl}["@deepseek-ai/dsh-session-persistence-jsonl"]`) + if (pluginName === '@deepseek-ai/dsh-stdio-agent') { + lines.push(` ${appNode} --> ${nodeId('frontdoor', 'stdio')}["readline UI<br/>console logger<br/>pre-created main agent"]`) + } else if (pluginName === '@deepseek-ai/dsh-acp-agent') { + lines.push(` ${appNode} --> ${nodeId('frontdoor', 'acp')}["@deepseek-ai/dsh-acp<br/>JSON-RPC stdio bridge<br/>sessions created by client"]`) + } + lines.push( + ` ${agentCore} --> ${nodeId('spine', 'llm')}["ctx.llm"]`, + ` ${agentCore} --> ${nodeId('spine', 'sessions')}["ctx.sessions"]`, + ` ${agentCore} --> ${nodeId('spine', 'tools')}["ctx.tools + tool-bash"]`, + ` ${agentCore} --> ${nodeId('spine', 'loop')}["ctx.agents + ctx.agentLoop"]`, + ) +} + +function renderAppComposition(example: AppExample): string { + const plugins = parseExampleCordis(example.config) + const maintenance = 'hybrid: the leaf plugin list is parsed from its `cordis.yml`; app package expansion is curated from package source' + const lines = generatedHeader(example.title) + lines.push( + example.summary, + '', + '```mermaid', + 'flowchart LR', + ` cfg["${escLabel(example.label)}<br/>cordis.yml"]`, + ) + for (const plugin of plugins) { + const pluginNode = nodeId(`plugin_${example.id}`, plugin.id) + lines.push(` ${pluginNode}["${escLabel(plugin.id)}<br/>${escLabel(plugin.name)}"]`) + lines.push(` cfg --> ${pluginNode}`) + if (plugin.name === '@deepseek-ai/dsh-stdio-agent' || plugin.name === '@deepseek-ai/dsh-acp-agent') { + renderAppExpansion(lines, pluginNode, plugin.name) + } + } + lines.push( + '```', + '', + '| Plugin id | Package / module |', + '| --- | --- |', + ...plugins.map(plugin => `| \`${plugin.id}\` | \`${plugin.name}\` |`), + '', + `Source config: [\`${example.config}\`](${linkFromDoc(example.rel, example.config)}).`, + ) + lines.push('', ...maintenanceFooter(maintenance)) + return lines.join('\n') +} + +function collectEventRelations(): Map<string, EventRelation> { + const out = new Map<string, EventRelation>() + const ensure = (event: string): EventRelation => { + const existing = out.get(event) + if (existing) return existing + const next = { dispatchers: new Map<string, Set<string>>(), listeners: new Set<string>() } + out.set(event, next) + return next + } + for (const rel of globSync('packages/*/*/src/**/*.ts', { cwd: root }).sort()) { + const [, , leaf] = rel.split('/') + if (leaf === undefined) continue + const text = readFileSync(resolve(root, rel), 'utf8') + const sf = ts.createSourceFile(rel, text, ts.ScriptTarget.Latest, true) + const visit = (node: ts.Node): void => { + if (ts.isCallExpression(node) && ts.isPropertyAccessExpression(node.expression)) { + const method = node.expression.name.text + if (!isCordisContextReceiver(node.expression, sf)) { + ts.forEachChild(node, visit) + return + } + if (method === 'on') { + const event = eventArg(node.arguments, method) + if (event) ensure(event).listeners.add(leaf) + } else if (method === 'emit' || method === 'parallel' || method === 'serial' || method === 'waterfall') { + const event = eventArg(node.arguments, method) + if (event) { + const relation = ensure(event) + const methods = relation.dispatchers.get(leaf) ?? new Set<string>() + methods.add(method) + relation.dispatchers.set(leaf, methods) + } + } + } + ts.forEachChild(node, visit) + } + visit(sf) + } + for (const entry of DYNAMIC_EVENT_DISPATCHERS) { + const relation = ensure(entry.event) + const methods = relation.dispatchers.get(entry.pkg) ?? new Set<string>() + methods.add(entry.method) + relation.dispatchers.set(entry.pkg, methods) + } + return out +} + +function isCordisContextReceiver(expr: ts.PropertyAccessExpression, sf: ts.SourceFile): boolean { + const target = expr.expression.getText(sf) + return target === 'ctx' || target === 'this.ctx' +} + +function eventArg(args: ts.NodeArray<ts.Expression>, method: string): string | undefined { + if (method === 'waterfall') { + const arg = args.find(ts.isStringLiteralLike) + return arg?.text + } + const first = args[0] + return first && ts.isStringLiteralLike(first) ? first.text : undefined +} + +function relationPackages(map: Map<string, Set<string>>, pkgsByShort: Map<string, Pkg>): string { + if (map.size === 0) return '-' + return [...map.entries()] + .sort(([a], [b]) => a.localeCompare(b)) + .map(([pkg, methods]) => `${pkgLink(pkgsByShort.get(pkg), pkg)} (${[...methods].sort().map(m => `\`${m}\``).join(', ')})`) + .join(', ') +} + +function listenerPackages(listeners: Set<string>, pkgsByShort: Map<string, Pkg>): string { + if (listeners.size === 0) return '-' + return [...listeners].sort().map(pkg => pkgLink(pkgsByShort.get(pkg), pkg)).join(', ') +} + +function renderEventRelations(pkgs: Pkg[]): string { + const events = collectEvents() + const relations = collectEventRelations() + const pkgsByShort = new Map(pkgs.map(pkg => [pkg.short, pkg])) + const maintenance = 'hybrid generated: Cordis event declarations and most producer/listener edges are AST-scanned; dynamic dispatch sites are classified in `scripts/gen-doc-graphs.ts`' + const lines = generatedHeader('Event Producer And Consumer Matrix') + lines.push( + 'This matrix shows which packages dispatch each harness-owned event and which packages listen to it. It is intentionally a table rather than one large graph: events are many-to-many, and dense relation data is easier to review in rows. Dynamic dispatch overrides cover sites that deliberately bypass `ctx.emit`, such as subagent lifecycle containment.', + '', + '| Event | Mode | Declared in | Dispatchers | Listeners |', + '| --- | --- | --- | --- | --- |', + ) + for (const event of [...events].sort((a, b) => a.name.localeCompare(b.name))) { + const relation = relations.get(event.name) ?? { dispatchers: new Map<string, Set<string>>(), listeners: new Set<string>() } + lines.push(`| \`${event.name}\` | \`${event.mode}\` | ${sourceLink(event.source)} | ${relationPackages(relation.dispatchers, pkgsByShort)} | ${listenerPackages(relation.listeners, pkgsByShort)} |`) + } + const declared = new Set(events.map(event => event.name)) + const extra = [...relations.keys()].filter(event => !declared.has(event)).sort() + if (extra.length > 0) { + lines.push('', '## Non-harness or undeclared event strings seen in package source', '', '| Event string | Dispatchers | Listeners |', '| --- | --- | --- |') + for (const event of extra) { + const relation = relations.get(event) + if (!relation) continue + lines.push(`| \`${event}\` | ${relationPackages(relation.dispatchers, pkgsByShort)} | ${listenerPackages(relation.listeners, pkgsByShort)} |`) + } + } + lines.push('', ...maintenanceFooter(maintenance)) + return lines.join('\n') +} + +function renderLifecycle(): string { + const maintenance = 'curated Mermaid sequence; exact event signatures live in the generated Cordis catalog' + return [ + ...generatedHeader('Agent Turn And Step Lifecycle'), + 'This sequence is the visual companion to [architecture.md](architecture.md#loop-lifecycle-session--turn--step). It keeps durable replay facts on `session/event` and live control/status on `agent/*`.', + '', + '```mermaid', + 'sequenceDiagram', + ' participant User', + ' participant Agent', + ' participant Driver', + ' participant Hooks as hook listeners', + ' participant Prompt as ctx.systemPrompt', + ' participant LLM as ctx.llm', + ' participant Tools as ctx.tools', + ' participant Session', + ' participant Persistence', + ' participant SDK as UI or SDK listener', + ' User->>Agent: send(content)', + ` Agent-->>SDK: ${mermaidCode('agent/queued')}`, + ' Agent->>Driver: queued work wakes driver', + ` Driver-->>SDK: ${mermaidCode('agent/status')} running`, + ` Driver->>Session: ${mermaidCode('turn/start')}`, + ` Driver->>Hooks: ${mermaidCode('agent/prompt-submit')} waterfall`, + ' Hooks-->>Driver: allow, block, or add context', + ` Driver->>Session: ${mermaidCode('user/message')} or rejected ${mermaidCode('turn/end')}`, + ` Driver->>Prompt: ${mermaidCode('system-prompt/assemble')} waterfall`, + ` Driver-->>Driver: ${mermaidCode('agent/pre-step')} serial checkpoint`, + ` Driver->>Session: ${mermaidCode('step/start')}`, + ` Driver->>LLM: ${mermaidCode('agent/request')} waterfall, then ${mermaidCode('llm/stream')} waterfall`, + ' LLM-->>Driver: StreamChunk*', + ` Driver->>Session: ${mermaidCode('assistant/chunk')}*`, + ` Session-->>SDK: ${mermaidCode('session/event')} ${mermaidCode('assistant/chunk')}*`, + ` Driver->>Hooks: ${mermaidCode('agent/step-result')} waterfall`, + ` Driver->>Session: ${mermaidCode('assistant/message')}`, + ` Driver->>Session: ${mermaidCode('tool/call')}`, + ' Driver->>Tools: execute through pre and post waterfalls', + ' Tools-->>Session: tool-owned events when applicable', + ` Driver->>Session: ${mermaidCode('tool/result')} and ${mermaidCode('step/end')}`, + ` Driver->>Hooks: ${mermaidCode('agent/turn-continuation')} waterfall`, + ` Driver->>Session: ${mermaidCode('turn/end')}`, + ` Driver->>Persistence: ${mermaidCode('session/flush')} parallel checkpoint`, + ` Driver-->>SDK: ${mermaidCode('agent/status')} idle`, + '```', + '', + 'SDK users that need replayable transcript data should consume `session/event`; `agent/*` is the live coordination surface for queue/status, prompt interception, request shaping, steering, continuation, and errors.', + '', + ...maintenanceFooter(maintenance), + ].join('\n') +} + +function renderToolPipeline(): string { + const maintenance = 'curated Mermaid flow; exact tool schemas and event signatures live in generated catalogs' + return [ + ...generatedHeader('Tool Execution Pipeline'), + 'This graph shows where policy, hooks, sandboxing, filesystem guards, result rewriting, and UI rendering fit without changing the loop. The key extension points are the `tools/pre-execute`, `tools/execute`, and `tools/post-execute` waterfalls.', + '', + '```mermaid', + 'flowchart TD', + ' model["Assistant message contains tool-call block"]', + ` toolCall["Session event: ${mermaidCode('tool/call')}<br/>logged before execution"]`, + ' presentCall["UI pending card<br/>presentCall(args)"]', + ` pre["${mermaidCode('tools/pre-execute')} waterfall<br/>hooks, permission, sandbox"]`, + ' denied["denied<br/>tool body skipped"]', + ` approval["${mermaidCode('ctx.approval')} one-shot prompt<br/>absent or unanswerable: deny"]`, + ` around["${mermaidCode('tools/execute')} waterfall<br/>timeout, retry, metrics (around dispatch)"]`, + ' toolBody["Registered tool execute() body"]', + ` fsGate["${mermaidCode('fs/write-intent')} or ${mermaidCode('fs/edit-intent')}<br/>tool-fs mutations only"]`, + ` owned["Tool-owned session events<br/>${mermaidCode('todo/write')}, ${mermaidCode('fs/observed')}, ${mermaidCode('hook/invoked')}, ${mermaidCode('hook/result')}, ${mermaidCode('tool/code-dispatch')}"]`, + ` post["${mermaidCode('tools/post-execute')} waterfall<br/>accept, block, replace, add context"]`, + ' context["Buffered additionalContext<br/>context/message after all tool results"]', + ` toolResult["Session event: ${mermaidCode('tool/result')}<br/>single model-facing outcome"]`, + ' presentResult["UI completed card<br/>presentResult(args, result)"]', + ' model --> toolCall', + ' toolCall --> presentCall', + ' toolCall --> pre', + ' pre -->|allow| around', + ' around --> toolBody', + ' pre -->|deny| denied', + ' pre -->|ask| approval', + ' approval -->|allowed-once| around', + ' approval -->|rejected, cancelled, unavailable| denied', + ' denied --> post', + ' toolBody --> fsGate', + ' fsGate --> toolBody', + ' toolBody --> owned', + ' toolBody --> around', + ' around --> post', + ' post --> context', + ' post --> toolResult', + ' toolResult --> presentResult', + '```', + '', + 'Filesystem read-before-edit checks live below `tool-fs` on the `fs/*` event gate; hook bridges and the approval seam\'s permission prompts live on the generic pre/post tool waterfalls; and around-dispatch concerns like the tool-call timeout policy (`@deepseek-ai/dsh-timeout-policy`) wrap core dispatch on `tools/execute`. That split lets the same hooks observe bash, fs, web, todo, and subagent calls without coupling those tools to one policy service.', + '', + ...maintenanceFooter(maintenance), + ].join('\n') +} + +function renderSnapshotReplay(): string { + const maintenance = 'curated Mermaid sequence based on the snapshot test harness' + return [ + ...generatedHeader('ACP Snapshot Replay'), + 'This graph explains what a snapshot scenario proves: recorded real-model session logs are replayed keylessly, ACP stdout is normalized and diffed, and scenario workspaces preserve tool side effects that the UI stream alone cannot prove.', + '', + '```mermaid', + 'sequenceDiagram', + ' participant Recorder as Real API recording', + ' participant Fixture as snapshot fixture', + ' participant Workspace', + ' participant Replay as llm-replay adapter', + ' participant ACP as acp-agent subprocess', + ' participant Golden as stdout golden', + ' Recorder->>Fixture: session.jsonl + workspace inputs', + ' Fixture->>Workspace: seed files and hook configs', + ' Fixture->>Replay: recorded StreamChunk script', + ` Replay->>ACP: deterministic ${mermaidCode('llm/stream')} chunks`, + ' ACP->>Workspace: bash, fs, and hook side effects', + ' ACP->>Golden: normalized sessionUpdate stream', + ' Golden-->>ACP: diff must be empty', + '```', + '', + 'The fs and hook snapshot matrix is valuable because it proves world state, hook decisions, and failed tool-card rendering, not just that replay returns text.', + '', + ...maintenanceFooter(maintenance), + ].join('\n') +} + +function renderDocs(): GraphDoc[] { + const pkgs = collectPackages() + const docs: GraphDoc[] = [ + { rel: 'docs/capability-seams.md', content: renderCapabilitySeams(pkgs) }, + ...APP_EXAMPLES.map(example => ({ rel: example.rel, content: renderAppComposition(example) })), + { rel: 'docs/event-producer-consumer.md', content: renderEventRelations(pkgs) }, + { rel: 'docs/agent-lifecycle.md', content: renderLifecycle() }, + { rel: 'docs/tool-execution-pipeline.md', content: renderToolPipeline() }, + { rel: 'packages/ui/acp/snapshot-replay.md', content: renderSnapshotReplay() }, + ] + docs.unshift({ rel: 'docs/graph-atlas.md', content: renderIndex(docs) }) + return docs +} + +function renderIndex(docs: GraphDoc[]): string { + const labels: Record<string, string> = { + 'docs/capability-seams.md': 'capability seams and core services', + 'examples/echo-agent/composition.md': 'echo-agent app composition', + 'examples/coding-agent/composition.md': 'coding-agent app composition', + 'examples/cordis-agent/composition.md': 'cordis-agent app composition', + 'examples/acp-agent/composition.md': 'acp-agent app composition', + 'docs/event-producer-consumer.md': 'event producer/consumer matrix', + 'docs/agent-lifecycle.md': 'agent turn and step lifecycle', + 'docs/tool-execution-pipeline.md': 'tool execution pipeline', + 'packages/ui/acp/snapshot-replay.md': 'ACP snapshot replay', + } + const modes: Record<string, string> = { + 'docs/capability-seams.md': 'hybrid generated', + 'examples/echo-agent/composition.md': 'hybrid generated', + 'examples/coding-agent/composition.md': 'hybrid generated', + 'examples/cordis-agent/composition.md': 'hybrid generated', + 'examples/acp-agent/composition.md': 'hybrid generated', + 'docs/event-producer-consumer.md': 'hybrid generated', + 'docs/agent-lifecycle.md': 'curated', + 'docs/tool-execution-pipeline.md': 'curated', + 'packages/ui/acp/snapshot-replay.md': 'curated', + } + const rows = [ + '| [module dependency graph](module-graph.md) | `generated` |', + '| [tool schema catalog and package map](tool-catalog.md) | `generated` |', + ...docs.map((doc) => { + const link = graphIndexLink(doc.rel) + return `| [${labels[doc.rel] ?? link}](${link}) | \`${modes[doc.rel] ?? 'generated'}\` |` + }), + ] + const maintenance = 'mixed: each linked page declares generated, hybrid, or curated mode' + return [ + ...generatedHeader('Documentation Graph Index'), + 'These diagrams are the relationship layer above the generated catalogs. Use them to navigate package topology, capability seams, event flow, model-facing tools, app composition, and runtime lifecycle paths. Exact signatures and type shapes still live in the generated [events](cordis-catalog/events.md) / [services](cordis-catalog/services.md) catalogs, [tool-catalog.md](tool-catalog.md), and [core-data-structures/](core-data-structures/core.md).', + '', + 'The process decision behind this index is recorded in [the documentation graph RFC](rfc/implemented/process/2026-07-03-documentation-graph-atlas.md).', + '', + '| Graph | Mode |', + '| --- | --- |', + ...rows, + '', + 'Regenerate with `pnpm run gen-doc-graphs`; verify freshness with `pnpm run verify-doc-graphs`.', + '', + ...maintenanceFooter(maintenance), + ].join('\n') +} + +function main(): void { + const docs = renderDocs() + if (process.argv.includes('--check')) { + const stale: string[] = [] + for (const doc of docs) { + const abs = resolve(root, doc.rel) + const committed = existsSync(abs) ? readFileSync(abs, 'utf8') : null + if (committed !== doc.content) stale.push(doc.rel) + } + if (stale.length === 0) { + console.log(`gen-doc-graphs: ${docs.length} graph doc(s) are up to date.`) + return + } + console.error(`gen-doc-graphs: stale graph doc(s): ${stale.join(', ')}. Run \`pnpm run gen-doc-graphs\` and commit the result.`) + process.exit(1) + } + + for (const doc of docs) { + mkdirSync(dirname(resolve(root, doc.rel)), { recursive: true }) + writeFileSync(resolve(root, doc.rel), doc.content) + } + console.log(`gen-doc-graphs: wrote ${docs.length} graph doc(s).`) +} + +if (process.argv[1] && import.meta.filename === resolve(process.argv[1])) { + main() +} diff --git a/scripts/gen-module-graph.ts b/scripts/gen-module-graph.ts index ebaf7d5db8..54dbcf2773 100644 --- a/scripts/gen-module-graph.ts +++ b/scripts/gen-module-graph.ts @@ -6,7 +6,8 @@ * these as `workspace:^` plus test-only extras, which would add noise). This * script reads every `packages/* /* /package.json`, keeps only the * `@deepseek-ai/dsh-*` peer edges (dropping the `cordis` peer), and renders a - * GitHub-viewable Mermaid graph plus a dependency table. + * GitHub-viewable Mermaid graph grouped by `packages/<group>/` plus a + * dependency table. * * The file is fully generated — never hand-edit it. Output is deterministic * (packages and edges sorted) so a regenerate-and-diff freshness check is @@ -17,8 +18,8 @@ * is stale (CI / pre-push gate) */ +import { dirname, resolve } from 'node:path' import { globSync, readFileSync, writeFileSync } from 'node:fs' -import { resolve } from 'node:path' const root = resolve(import.meta.dirname, '..') const OUT = 'docs/module-graph.md' @@ -27,10 +28,33 @@ const SCOPE = '@deepseek-ai/dsh-' interface Pkg { /** Short name, `@deepseek-ai/dsh-` prefix stripped (e.g. `agent-loop`). */ short: string + /** Package group from `packages/<group>/<pkg>`. */ + group: string + /** Repo-relative package directory. */ + rel: string /** Short names of this package's in-repo peer dependencies, sorted. */ deps: string[] } +const GROUP_ORDER = [ + 'util', + 'llm', + 'core', + 'bash', + 'fs', + 'skill', + 'compact', + 'subagent', + 'web', + 'timeout', + 'todo', + 'cordis', + 'hooks', + 'session-persistence', + 'support', + 'ui', +] + /** Read every workspace package and its `@deepseek-ai/dsh-*` peer edges. */ function collect(): Pkg[] { const pkgs: Pkg[] = [] @@ -44,7 +68,9 @@ function collect(): Pkg[] { .filter(d => d.startsWith(SCOPE)) .map(d => d.slice(SCOPE.length)) .sort() - pkgs.push({ short: json.name.slice(SCOPE.length), deps }) + const [, group, leaf] = rel.split('/') + if (group === undefined || leaf === undefined) throw new Error(`gen-module-graph: unexpected package path ${rel}`) + pkgs.push({ short: json.name.slice(SCOPE.length), group, rel: dirname(rel), deps }) } return topoSort(pkgs) } @@ -63,7 +89,7 @@ function topoSort(pkgs: Pkg[]): Pkg[] { while (remaining.size > 0) { const ready = [...remaining.values()] .filter(p => p.deps.every(d => placed.has(d))) - .sort((a, b) => a.short.localeCompare(b.short)) + .sort(comparePackages) if (ready.length === 0) throw new Error(`gen-module-graph: dependency cycle among ${[...remaining.keys()].join(', ')}`) for (const p of ready) { out.push(p) @@ -74,28 +100,71 @@ function topoSort(pkgs: Pkg[]): Pkg[] { return out } +function comparePackages(a: Pkg, b: Pkg): number { + const groupA = GROUP_ORDER.indexOf(a.group) + const groupB = GROUP_ORDER.indexOf(b.group) + const normA = groupA === -1 ? Number.MAX_SAFE_INTEGER : groupA + const normB = groupB === -1 ? Number.MAX_SAFE_INTEGER : groupB + return normA - normB || a.group.localeCompare(b.group) || a.short.localeCompare(b.short) +} + +function nodeId(prefix: string, value: string): string { + return `${prefix}_${value.replace(/[^a-zA-Z0-9_]/g, '_')}` +} + +function escLabel(value: string): string { + return value.replace(/"/g, '\\"') +} + +function packageLink(pkg: Pkg): string { + return `[\`${pkg.short}\`](../${pkg.rel})` +} + /** Render the full docs/module-graph.md content (pure, deterministic). */ function render(pkgs: Pkg[]): string { const edges: string[] = [] for (const p of pkgs) { - for (const d of p.deps) edges.push(` ${p.short} --> ${d}`) + for (const d of p.deps) edges.push(` ${nodeId('pkg', p.short)} --> ${nodeId('pkg', d)}`) } - const rows = pkgs.map(p => `| \`${p.short}\` | ${p.deps.length ? p.deps.map(d => `\`${d}\``).join(', ') : '—'} |`) + const byShort = new Map(pkgs.map(pkg => [pkg.short, pkg])) + const groups = [...new Set(pkgs.map(pkg => pkg.group))].sort((a, b) => { + const ia = GROUP_ORDER.indexOf(a) + const ib = GROUP_ORDER.indexOf(b) + const na = ia === -1 ? Number.MAX_SAFE_INTEGER : ia + const nb = ib === -1 ? Number.MAX_SAFE_INTEGER : ib + return na - nb || a.localeCompare(b) + }) + const groupBlocks: string[] = [] + for (const group of groups) { + groupBlocks.push(` subgraph ${nodeId('group', group)}["packages/${escLabel(group)}"]`) + for (const pkg of pkgs.filter(p => p.group === group).sort((a, b) => a.short.localeCompare(b.short))) { + groupBlocks.push(` ${nodeId('pkg', pkg.short)}["${escLabel(pkg.short)}"]`) + } + groupBlocks.push(' end') + } + const rows = pkgs.map((p) => { + const deps = p.deps.length ? p.deps.map((d) => { + const dep = byShort.get(d) + return dep ? packageLink(dep) : `\`${d}\`` + }).join(', ') : '—' + return `| ${packageLink(p)} | \`${p.group}\` | ${deps} |` + }) return [ '<!-- Generated by scripts/gen-module-graph.ts — do not edit by hand.', ' Run `pnpm run gen-module-graph` to regenerate. -->', '', '# Module dependency graph', '', - 'Inter-package dependencies among the `@deepseek-ai/dsh-*` harness packages, derived from each package\'s `peerDependencies` (the canonical runtime-dependency signal). An edge `a --> b` means package `a` depends on package `b`. Names have the `@deepseek-ai/dsh-` prefix stripped.', + 'Inter-package dependencies among the `@deepseek-ai/dsh-*` harness packages, derived from each package\'s `peerDependencies` (the canonical runtime-dependency signal) and grouped by the `packages/<group>/<pkg>` hierarchy. An edge `a --> b` means package `a` depends on package `b`. Names have the `@deepseek-ai/dsh-` prefix stripped.', '', '```mermaid', - 'graph TD', + 'flowchart TD', + ...groupBlocks, ...edges, '```', '', - '| Package | Depends on |', - '| --- | --- |', + '| Package | Group | Depends on |', + '| --- | --- | --- |', ...rows, '', ].join('\n') diff --git a/scripts/gen-persistence-catalog.ts b/scripts/gen-persistence-catalog.ts new file mode 100644 index 0000000000..980ad19606 --- /dev/null +++ b/scripts/gen-persistence-catalog.ts @@ -0,0 +1,456 @@ +/** + * Generate (and verify) the persistence log event catalog in + * docs/persistence-catalog.md. + * + * The catalog is the ON-DISK-vocabulary reference: every event type that can + * appear in a session's durable event log — every member of the + * merge-extensible `SessionEventMap`, across the owning declaration in + * `@deepseek-ai/dsh-session` and every plugin declaration merge. It complements + * the cordis events/services catalog (the live bus wiring — a log event is NOT + * a cordis event; it reaches listeners via the single `session/event` emit) and + * the core-data-structures session page (the `SessionEvent` envelope and + * derivation semantics): this page is the RECORDS a persisted log can contain. + * + * `tsx scripts/gen-persistence-catalog.ts` → write the catalog + * `tsx scripts/gen-persistence-catalog.ts --check` → exit 1 if the committed + * file is stale (CI / + * pre-push gate) + * + * Like its AST sibling `gen-cordis-catalog.ts` (and unlike the boot-based + * `gen-tool-catalog.ts`), this is a pure source pass: every log event is a + * string-literal-named property with a static type annotation, so the AST is + * the whole truth and a brand-new event (core or merged) appears in the next + * regenerate — an un-regenerated file fails `--check`. The walk enforces JSDoc + * COMPLETENESS on the whole vocabulary: every member carries description prose + * (it becomes the catalog entry), and an `@mode` tag on a member is a hard + * error — dispatch modes belong to cordis bus events, and a log event has none + * (see docs/rfc/implemented/process/2026-07-04-persistence-log-catalog.md). + * Structural holes are hard errors for the same reason: a member that is not a + * property signature with an explicit payload type, an `extends` clause on a + * declaration, a top-level `interface SessionEventMap` that is not the single + * exported declaration in the owning package, and a duplicate declaration of + * one event would each let something join (or impersonate) + * `keyof SessionEventMap` without a truthful catalog row. Violations aggregate + * into ONE error listing every offender. + * + * The surface/log-only badge is parsed from the `SurfaceEventType` union in the + * owning package (never hand-listed here), and every union member must name a + * collected event — a stale union member is a hard error. + * + * Payload fences use the ` ```ts persistence-catalog ` info string: + * doc-typecheck recognizes it and skips compilation (a bare payload fragment is + * not standalone-compilable), excluded from the opt-out ratio. + */ + +import { globSync, readFileSync, writeFileSync } from 'node:fs' +import { resolve } from 'node:path' +import ts from 'typescript' + +const root = resolve(import.meta.dirname, '..') +const OUT = 'docs/persistence-catalog.md' + +/** The fenced-block info string for generated payload blocks (skipped by + * doc-typecheck, since a bare payload fragment is not standalone-compilable). */ +const FENCE = 'ts persistence-catalog' + +/** The package whose module id plugin merges augment (`declare module '…'`). */ +const SESSION_MODULE = '@deepseek-ai/dsh-session' + +/** + * Cross-link map: a type name that appears in a payload → the + * core-data-structures page that documents it (path relative to OUT's folder). + * Hand-curated and catalog-owned, same policy as the cordis catalog's map: each + * name resolves to exactly one PRIMARY page. A payload type with no + * core-data-structures home (e.g. `HookDialect`, documented in its package) + * simply gets no link. + */ +const LINK_MAP: Record<string, string> = { + CallId: 'core.md', + ContentBlock: 'core.md', + MessageSource: 'core.md', + StreamChunk: 'llm-streaming.md', + TokenUsage: 'llm-streaming.md', + TodoItem: 'session.md', + TurnTrigger: 'session.md', + TurnEndReason: 'session.md', +} + +/** One log event, extracted from a `SessionEventMap` declaration. */ +export interface LogEventEntry { + /** Scoped name, e.g. `turn/start`. */ + name: string + /** The scope prefix, e.g. `turn` (everything before the first `/`). */ + scope: string + /** Payload type text (the member's type annotation, whitespace-collapsed). */ + payload: string + /** Description prose (the member's JSDoc), one line per paragraph. */ + doc: string + /** Source pointer `packages/…/file.ts:line` of the declaration. */ + source: string +} + +/** A {@link LogEventEntry} plus its surface-eligibility badge. */ +export interface AnnotatedLogEventEntry extends LogEventEntry { + /** Whether the type is a `SurfaceEventType` member (may carry `surfaceOp`). */ + surface: boolean +} + +/** Repo-relative source pointer `file:line` for a node's first character. */ +function pointer(rel: string, sf: ts.SourceFile, node: ts.Node): string { + const { line } = sf.getLineAndCharacterOfPosition(node.getStart(sf)) + return `${rel}:${line + 1}` +} + +const printer = ts.createPrinter({ removeComments: true }) + +/** + * One-line payload text for a member's type annotation. Printed through the + * TypeScript printer (not sliced from source text): the printer emits `;` + * member separators regardless of how the source separated them, so a + * multi-line newline-separated type literal still collapses to a VALID + * single-line fragment. The trailing `;` the printer puts before every `}` is + * dropped to match the repo's inline-literal style. + */ +function payloadText(type: ts.TypeNode, sf: ts.SourceFile): string { + return printer.printNode(ts.EmitHint.Unspecified, type, sf) + .replace(/\s+/g, ' ') + .replace(/;\s*\}/g, ' }') + .trim() +} + +/** The raw `/** … *​/` JSDoc block immediately preceding a node, or '' if none. */ +function rawJsDoc(text: string, node: ts.Node): string { + const ranges = ts.getLeadingCommentRanges(text, node.getFullStart()) ?? [] + const jsdoc = ranges.filter(r => text.slice(r.pos, r.pos + 3) === '/**').at(-1) + return jsdoc ? text.slice(jsdoc.pos, jsdoc.end) : '' +} + +/** + * Parse a raw JSDoc block into description prose, flagging whether any `@mode` + * tag is present (forbidden on log events). Output obeys the repo's markdown + * conventions so the generated file passes verify-md-wrap: each prose paragraph + * collapses to ONE physical line, and a `-` bullet list is preserved with each + * item on its own single line (continuation lines folded in). `{@link Foo}` + * unwraps to `Foo`. Description prose ends at the FIRST block tag (standard + * JSDoc semantics): tag lines and their continuation lines are never prose. + */ +function parseJsDoc(raw: string): { doc: string; hasMode: boolean } { + const inner = raw + .replace(/^\/\*\*/, '') + .replace(/\*\/$/, '') + .split('\n') + .map(l => l.replace(/^\s*\*?\s?/, '').replace(/\s+$/, '')) + let hasMode = false + let inTags = false + const blocks: string[] = [] + let para: string[] = [] + let list: string[] = [] + let item: string[] = [] + const join = (parts: string[]): string => parts.join(' ').replace(/\s+/g, ' ').trim() + const flushItem = (): void => { + if (item.length) list.push(join(item)) + item = [] + } + const flushList = (): void => { + flushItem() + if (list.length) blocks.push(list.join('\n')) // one block, items on own lines + list = [] + } + const flushPara = (): void => { + flushList() + if (para.length) blocks.push(join(para)) + para = [] + } + for (const line of inner) { + // Tag detection runs on the trimmed line: the normalization above strips at + // most one post-`*` space, so an extra-indented `* @mode` still reaches + // here with leading whitespace and must not leak into prose. + const tagLine = line.trimStart() + if (/^@mode\b/.test(tagLine)) { hasMode = true; flushPara(); inTags = true; continue } + if (tagLine.startsWith('@')) { flushPara(); inTags = true; continue } + if (inTags) continue // block-tag territory: continuations are never prose + if (line.trim() === '') { flushPara(); continue } + if (/^-\s+/.test(line)) { + // A list item starts: a pending paragraph (e.g. an intro line directly + // above the list, no blank between) flushes FIRST so it renders above. + flushItem() + if (para.length) { blocks.push(join(para)); para = [] } + item.push(line) + continue + } + if (item.length) { item.push(line); continue } // continuation of current item + para.push(line) + } + flushPara() + const doc = blocks.join('\n\n').replace(/\{@link\s+([^}]+)\}/g, '$1').trim() + return { doc, hasMode } +} + +/** + * Throw one aggregate error for every completeness violation a walk collected. + * Aggregation is deliberate: a remediation pass sees the whole list at once + * instead of replaying the gate once per offender. + */ +function reportViolations(violations: string[]): void { + if (violations.length === 0) return + throw new Error( + `gen-persistence-catalog: ${violations.length} JSDoc completeness violation(s):\n` + + violations.map(v => ` ${v}`).join('\n'), + ) +} + +/** + * Every `interface SessionEventMap` declaration in a source file: the owning + * top-level declaration (in `@deepseek-ai/dsh-session`) and any declaration + * merge inside a `declare module '@deepseek-ai/dsh-session'` block. Both forms + * declare members of the SAME merged interface, so both are catalogued + * uniformly. `topLevel` distinguishes the owning form so the caller can verify + * it actually lives in the owning package — an unrelated local interface that + * happens to share the name must not be catalogued as the on-disk vocabulary. + */ +function sessionEventMapDecls(sf: ts.SourceFile): { decl: ts.InterfaceDeclaration; topLevel: boolean }[] { + const decls: { decl: ts.InterfaceDeclaration; topLevel: boolean }[] = [] + for (const stmt of sf.statements) { + if (ts.isInterfaceDeclaration(stmt) && stmt.name.text === 'SessionEventMap') decls.push({ decl: stmt, topLevel: true }) + if (ts.isModuleDeclaration(stmt) && ts.isStringLiteral(stmt.name) && stmt.name.text === SESSION_MODULE + && stmt.body && ts.isModuleBlock(stmt.body)) { + for (const inner of stmt.body.statements) { + if (ts.isInterfaceDeclaration(inner) && inner.name.text === 'SessionEventMap') decls.push({ decl: inner, topLevel: false }) + } + } + } + return decls +} + +/** + * The npm package name owning a `packages/<group>/<pkg>/…` source file, read + * from that package's manifest — or null when the manifest is missing or + * unparseable (the caller treats null as "ownership unverifiable"). + */ +function packageNameFor(rel: string, scanRoot: string): string | null { + const dir = rel.split('/').slice(0, 3).join('/') + try { + const manifest = JSON.parse(readFileSync(resolve(scanRoot, dir, 'package.json'), 'utf8')) as { name?: string } + return typeof manifest.name === 'string' ? manifest.name : null + } catch { + // Missing or malformed package.json — every real workspace package has one, + // so this only arises in stripped-down fixture trees; either way ownership + // cannot be verified and the caller reports the declaration. + return null + } +} + +/** + * Walk every `SessionEventMap` declaration (the owning interface plus every + * plugin declaration merge) and extract its events, hard-erroring (aggregated) + * on any completeness violation: a member without description prose, an + * `@mode` tag (a category error — log events have no dispatch mode), a member + * that is not a property signature with an explicit payload type, a + * non-literal member name, an `extends` clause (inherited keys would join + * `keyof SessionEventMap` without a catalog row), a top-level declaration that + * is not the single exported one in the owning package, or the same event + * declared twice. + * `scanRoot` defaults to the repo root; tests pass a fixture dir. + */ +export function collectLogEvents(scanRoot: string = root): LogEventEntry[] { + const entries: LogEventEntry[] = [] + const violations: string[] = [] + const seen = new Map<string, string>() + let owningDecl: string | null = null + for (const rel of globSync('packages/*/*/src/**/*.ts', { cwd: scanRoot }).sort()) { + const abs = resolve(scanRoot, rel) + const text = readFileSync(abs, 'utf8') + if (!text.includes('SessionEventMap')) continue + const sf = ts.createSourceFile(abs, text, ts.ScriptTarget.Latest, true) + for (const { decl, topLevel } of sessionEventMapDecls(sf)) { + const declSrc = pointer(rel, sf, decl) + if (topLevel) { + // The top-level form is the OWNING vocabulary, and it has exactly one + // home: the single EXPORTED declaration in the owning package. A + // same-named interface anywhere else — another package, a non-exported + // local, a second exported copy — is a different type that must not be + // catalogued as on-disk events. + const pkg = packageNameFor(rel, scanRoot) + if (pkg !== SESSION_MODULE) { + violations.push(`top-level interface SessionEventMap (${declSrc}) is outside ${SESSION_MODULE} (package ${pkg ?? 'unknown'}). Rename the interface, or contribute events via declare module '${SESSION_MODULE}'.`) + continue + } + const exported = decl.modifiers?.some(m => m.kind === ts.SyntaxKind.ExportKeyword) ?? false + if (!exported) { + violations.push(`top-level interface SessionEventMap (${declSrc}) is not exported; the owning vocabulary is the single exported declaration — rename a local helper interface.`) + continue + } + if (owningDecl) { + violations.push(`top-level interface SessionEventMap (${declSrc}) is already declared at ${owningDecl}; the owning vocabulary has exactly one home.`) + continue + } + owningDecl = declSrc + } + if (decl.heritageClauses?.length) { + violations.push(`SessionEventMap declaration (${declSrc}) uses extends; inherited keys would join keyof SessionEventMap without a catalog row — declare event members directly.`) + } + for (const member of decl.members) { + const src = pointer(rel, sf, member) + if (!ts.isPropertySignature(member) || !member.type) { + // A method-form or type-less member still joins `keyof SessionEventMap`, + // so skipping it silently would be exactly the undocumented-event hole + // this catalog exists to close. + const label = (member as { name?: ts.Node }).name?.getText(sf) ?? member.getText(sf).replace(/\s+/g, ' ') + violations.push(`SessionEventMap member ${label} (${src}) is not a property signature with an explicit payload type; declare every log event as 'scope/name': <payload>.`) + continue + } + if (!ts.isStringLiteral(member.name)) { + violations.push(`log event at ${src} has a non-literal name; the catalog needs string-literal event names.`) + continue + } + const name = member.name.text + const where = `log event '${name}' (${src})` + const prior = seen.get(name) + if (prior) { + violations.push(`${where} is already declared at ${prior}; an event type has exactly one declaration.`) + continue + } + seen.set(name, src) + const payload = payloadText(member.type, sf) + const { doc, hasMode } = parseJsDoc(rawJsDoc(text, member)) + if (hasMode) { + violations.push(`${where} carries an @mode tag, but a log event has no dispatch mode (it is not a cordis bus event — it rides the 'session/event' emit). Remove the tag.`) + } + if (!doc) { + violations.push(`${where} has no description prose. Say what the event records and what its payload means — the JSDoc becomes the catalog entry.`) + } + entries.push({ name, scope: name.split('/')[0] ?? name, payload, doc, source: src }) + } + } + } + reportViolations(violations) + return entries +} + +/** + * Parse the `SurfaceEventType` union — the surface-eligible subset of event + * types — from source. Hard-errors when the alias is missing, declared more + * than once, or contains a non-string-literal member: the badge derivation + * relies on the union being a closed set of literal event names. + * `scanRoot` defaults to the repo root; tests pass a fixture dir. + */ +export function collectSurfaceEventTypes(scanRoot: string = root): string[] { + const found: { names: string[]; source: string }[] = [] + for (const rel of globSync('packages/*/*/src/**/*.ts', { cwd: scanRoot }).sort()) { + const abs = resolve(scanRoot, rel) + const text = readFileSync(abs, 'utf8') + if (!text.includes('SurfaceEventType')) continue + const sf = ts.createSourceFile(abs, text, ts.ScriptTarget.Latest, true) + for (const stmt of sf.statements) { + if (!ts.isTypeAliasDeclaration(stmt) || stmt.name.text !== 'SurfaceEventType') continue + const src = pointer(rel, sf, stmt) + const members = ts.isUnionTypeNode(stmt.type) ? [...stmt.type.types] : [stmt.type] + const names: string[] = [] + for (const m of members) { + if (ts.isLiteralTypeNode(m) && ts.isStringLiteral(m.literal)) names.push(m.literal.text) + else throw new Error(`gen-persistence-catalog: SurfaceEventType (${src}) has a non-string-literal member; the badge derivation needs a closed literal union.`) + } + found.push({ names, source: src }) + } + } + const only = found[0] + if (!only) throw new Error('gen-persistence-catalog: no SurfaceEventType union found under packages/*/*/src.') + if (found.length > 1) throw new Error(`gen-persistence-catalog: SurfaceEventType is declared more than once (${found.map(f => f.source).join(', ')}); the surface subset has exactly one owner.`) + return only.names +} + +/** + * Attach the surface/log-only badge to each event. Hard-errors when a + * `SurfaceEventType` union member names no collected event — a stale union + * member would otherwise silently badge nothing. + */ +export function annotateSurface(events: LogEventEntry[], surfaceTypes: string[]): AnnotatedLogEventEntry[] { + const names = new Set(events.map(e => e.name)) + const stale = surfaceTypes.filter(t => !names.has(t)) + if (stale.length > 0) { + throw new Error(`gen-persistence-catalog: SurfaceEventType member(s) ${stale.map(t => `'${t}'`).join(', ')} name no declared log event (stale union member?).`) + } + const surface = new Set(surfaceTypes) + return events.map(e => ({ ...e, surface: surface.has(e.name) })) +} + +/** Render the cross-link "Types:" line for a payload, or '' if none apply. */ +function typeLinks(payload: string): string { + const seen = new Set<string>() + for (const name of Object.keys(LINK_MAP)) { + if (new RegExp(`\\b${name}\\b`).test(payload)) seen.add(name) + } + if (seen.size === 0) return '' + const links = [...seen].sort().map(n => `[${n}](core-data-structures/${LINK_MAP[n]})`) + return `Types: ${links.join(' · ')}` +} + +/** Render one log event entry. */ +function renderEvent(e: AnnotatedLogEventEntry): string[] { + const out = [`#### \`${e.name}\` — ${e.surface ? 'surface' : 'log-only'}`, ''] + if (e.doc) out.push(e.doc, '') + out.push('```' + FENCE, `'${e.name}': ${e.payload}`, '```', '') + const links = typeLinks(e.payload) + if (links) out.push(links, '') + out.push(`Source: [\`${e.source}\`](../${e.source.split(':')[0]})`, '') + return out +} + +/** Render the full catalog (pure, deterministic given the collected inputs). */ +export function render(events: AnnotatedLogEventEntry[]): string { + const lines: string[] = [ + '<!-- Generated by scripts/gen-persistence-catalog.ts — do not edit by hand.', + ' Run `pnpm run gen-persistence-catalog` to regenerate. -->', + '', + '# Persistence Log Event Catalog', + '', + 'Every event type that can appear in a session\'s durable event log: each member of the merge-extensible `SessionEventMap` — the owning vocabulary in `@deepseek-ai/dsh-session` plus every plugin declaration merge in this repo — with the payload it carries, its surface badge, and the declaration it comes from. It complements [session.md](core-data-structures/session.md) (the `SessionEvent` envelope, surface list, and `deriveMessages()` projection), [persistence.md](core-data-structures/persistence.md) (how the log is made durable), and the [cordis events catalog](cordis-catalog/events.md) (the live bus wiring — a log event is NOT a cordis event; it reaches listeners via the single `session/event` emit).', + '', + 'This file is GENERATED from source (`scripts/gen-persistence-catalog.ts`) and verified fresh by `pnpm run verify-persistence-catalog` (part of `doc-sync`) — do not edit it by hand. Payload blocks use a `ts persistence-catalog` fence (skipped by doc-typecheck, since a bare payload fragment is not standalone-compilable). Type names in a payload link to the page that documents them. See [the persistence-log-catalog RFC](rfc/implemented/process/2026-07-04-persistence-log-catalog.md).', + '', + 'The on-disk envelope around every payload is `SessionEvent` — `type`, monotonic `seq`, epoch-ms `time`, the `data` documented here, plus `surfaceOp`/`sourceEventSeqs` on **surface** events only ([envelope](core-data-structures/session.md#sessioneventt--one-log-entry)). **surface** marks a `SurfaceEventType` member: it produces an LLM message and declares how it joins the surface list. **log-only** marks everything else: durable, replayable record with no derived-history contribution. Every payload is JSON-serializable (enforced at `Session.append`), and the whole format is pinned at `SESSION_FORMAT_VERSION = 0` — pre-release, no compatibility implied ([the version stance](core-data-structures/persistence.md)). Scope: the packages in this repo; a downstream plugin can merge further event types, which are outside this catalog by construction.', + '', + '## Events', + '', + ] + const scopes = [...new Set(events.map(e => e.scope))].sort() + for (const scope of scopes) { + lines.push(`### \`${scope}/*\``, '') + for (const e of events.filter(x => x.scope === scope).sort((a, b) => a.name.localeCompare(b.name))) { + lines.push(...renderEvent(e)) + } + } + return lines.join('\n') +} + +/** CLI entry: default writes the catalog, `--check` fails if the committed copy + * is stale. Guarded behind an entry-point check so importing this module for + * tests neither regenerates the committed file nor calls process.exit. */ +function main(): void { + const content = render(annotateSurface(collectLogEvents(), collectSurfaceEventTypes())) + if (process.argv.includes('--check')) { + let committed: string | null = null + try { + committed = readFileSync(resolve(root, OUT), 'utf8') + } catch { + // Only ENOENT (not yet generated) is expected; a present-but-unreadable + // file is not a state this repo produces. Either way the remedy is the + // same — regenerate — so treat a read failure as "stale". + committed = null + } + if (committed === content) { + console.log(`gen-persistence-catalog: ${OUT} is up to date.`) + process.exit(0) + } + console.error(`gen-persistence-catalog: ${OUT} is stale. Run \`pnpm run gen-persistence-catalog\` and commit ${OUT}.`) + process.exit(1) + } + + writeFileSync(resolve(root, OUT), content) + console.log(`gen-persistence-catalog: wrote ${OUT}.`) +} + +// Run only when invoked as a script, not when imported by a test. +if (process.argv[1] && import.meta.filename === resolve(process.argv[1])) { + main() +} diff --git a/scripts/gen-rfc-index.ts b/scripts/gen-rfc-index.ts new file mode 100644 index 0000000000..37ad96d73a --- /dev/null +++ b/scripts/gen-rfc-index.ts @@ -0,0 +1,36 @@ +/** + * Regenerate `docs/rfc/INDEX.md` — the fully generated RFC index — from the + * RFC tree (see [rfc-index.ts](./rfc-index.ts) for the layout contract and + * rendering rules). The whole file is generated state; the curated prose lives + * in `docs/rfc/README.md`. Freshness is asserted by + * `verify-rfc-classification.ts` (a `doc-sync` member), so a stale committed + * index fails CI. + * + * Run: `pnpm run gen-rfc-index`. + */ + +import { readFileSync, writeFileSync } from 'node:fs' +import { resolve } from 'node:path' +import { renderIndex, rfcRoot, walkRfcTree } from './rfc-index.ts' + +const { rfcs, errors } = walkRfcTree() +if (errors.length > 0) { + console.error('gen-rfc-index: refusing to generate from a structurally invalid tree:') + for (const e of errors) console.error(` ${e}`) + process.exit(1) +} + +const indexPath = resolve(rfcRoot, 'INDEX.md') +const next = renderIndex(rfcs) +let current: string | undefined +try { + current = readFileSync(indexPath, 'utf8') +} catch { + // Missing INDEX.md is the fresh-generation case, not an error: fall through and write it. +} +if (next === current) { + console.log(`gen-rfc-index: docs/rfc/INDEX.md is up to date (${rfcs.length} RFCs).`) +} else { + writeFileSync(indexPath, next) + console.log(`gen-rfc-index: docs/rfc/INDEX.md regenerated (${rfcs.length} RFCs).`) +} diff --git a/scripts/gen-tool-catalog.ts b/scripts/gen-tool-catalog.ts index 3298c507f8..fddbd8867e 100644 --- a/scripts/gen-tool-catalog.ts +++ b/scripts/gen-tool-catalog.ts @@ -1,5 +1,5 @@ /** - * Generate (and verify) the tool-schema catalog in docs/tool-catalog/tools.md. + * Generate (and verify) the tool-schema catalog in docs/tool-catalog.md. * * The catalog is the MODEL-FACING TOOL reference: every tool a shipped plugin * contributes to `ctx.tools`, with the exact `name` / `description` / JSON-Schema @@ -38,22 +38,30 @@ import { basename, resolve } from 'node:path' import { Context } from 'cordis' import type { ToolSchema } from '@deepseek-ai/dsh-llm' import SystemPrompt from '@deepseek-ai/dsh-system-prompt' -import ToolRegistry from '@deepseek-ai/dsh-tools' +import ToolRegistry, { type Config as ToolsConfig } from '@deepseek-ai/dsh-tools' import LocalBashExecutor from '@deepseek-ai/dsh-bash-local' import LocalFileSystem from '@deepseek-ai/dsh-fs-local' +import UserInteractionService from '@deepseek-ai/dsh-user-interaction' import WebService from '@deepseek-ai/dsh-web' import * as WebSearchExa from '@deepseek-ai/dsh-web-search-exa' import * as WebFetchLocal from '@deepseek-ai/dsh-web-fetch-local' import SubagentService from '@deepseek-ai/dsh-subagent' import * as SubagentMock from '@deepseek-ai/dsh-subagent-mock' +import SkillService from '@deepseek-ai/dsh-skill' +import * as SkillLocal from '@deepseek-ai/dsh-skill-local' +import * as ToolAskUser from '@deepseek-ai/dsh-tool-ask-user' import * as ToolBash from '@deepseek-ai/dsh-tool-bash' +import * as ToolCordis from '@deepseek-ai/dsh-tool-cordis' import * as ToolFs from '@deepseek-ai/dsh-tool-fs' +import * as ToolSkill from '@deepseek-ai/dsh-tool-skill' import * as ToolTodo from '@deepseek-ai/dsh-tool-todo' import * as ToolSubagent from '@deepseek-ai/dsh-tool-subagent' import * as ToolWeb from '@deepseek-ai/dsh-tool-web' +import VmWorkflowEngine from '@deepseek-ai/dsh-workflow-workerthread' +import * as ToolWorkflow from '@deepseek-ai/dsh-tool-workflow' const root = resolve(import.meta.dirname, '..') -const OUT = 'docs/tool-catalog/tools.md' +const OUT = 'docs/tool-catalog.md' /** * One tool-plugin package to boot. `mount` is a per-entry recipe (async): it @@ -75,9 +83,22 @@ interface ToolPackage { dir: string /** Repo-relative source path linked from the catalog entry. */ source: string + /** Services or owning runtime surfaces the package requires at execution time. */ + requires: string[] + /** Session events or other visible state the tools write or affect. */ + writes: string[] + /** Additional model-visible names shipped by example/app config. */ + shippedNames?: string[] /** Plug the injected seams + the tool plugin onto a context that already * carries `systemPrompt` + `tools`. */ mount: (ctx: Context) => Promise<void> + /** + * Config for the caller's `ToolRegistry` mount. The registry itself ships a + * model-facing tool (`run_code`, registered under a non-native `mode`), so + * ITS catalog entry boots the registry in the mode that surfaces it; + * every other entry uses the default (native) registry. + */ + toolsConfig?: ToolsConfig /** * A deployment note rendered after the package's tools, for a fact that * booting the package alone cannot show. The registered tool NAME can be a @@ -94,19 +115,64 @@ interface ToolPackage { * guard proves it is exhaustive against the on-disk glob. */ const TOOL_PACKAGES: ToolPackage[] = [ + { + pkg: '@deepseek-ai/dsh-tool-ask-user', + dir: 'tool-ask-user', + source: 'packages/ui/tool-ask-user/src/index.ts', + requires: ['ctx.tools', 'ctx.userInteraction'], + writes: ['tool/call', 'tool/result after a UI/provider answers the question'], + async mount(ctx) { + await ctx.plugin(UserInteractionService) + await ctx.plugin(ToolAskUser) + }, + note: + 'ask_user_question pauses the tool call until the active UI provider returns a human answer.', + }, + { + pkg: '@deepseek-ai/dsh-tools', + dir: 'tools', + source: 'packages/core/tools/src/code-mode.ts', + requires: ['ctx.tools', 'ctx.codeRuntime (execution time)', 'ctx.systemPrompt'], + writes: ['tool/call', 'one tool/code-dispatch per bridged sub-call', 'tool/result'], + // The registry's OWN tool: run_code exists only under a non-native mode + // (the registry registers it in its constructor; the code runtime is read + // at assembly/execution time, so the schema harvest needs none mounted). + toolsConfig: { mode: 'code' }, + async mount() {}, + note: + 'Registered by the tool registry itself under `mode: code` / `mode: both` (see the Code Mode RFC). Under `code` it is the ONLY wire tool; the other registered tools are declared to the model as a generated TypeScript SDK prompt section instead, and a program calls them through port-bridged bindings that dispatch through the ordinary tools/pre-execute → tools/post-execute pipeline, one at a time.', + }, { pkg: '@deepseek-ai/dsh-tool-bash', dir: 'tool-bash', source: 'packages/bash/tool-bash/src/index.ts', + requires: ['ctx.tools', 'ctx.bash'], + writes: ['tool/call', 'tool/result', 'context/message via agent.inject() for background completion notices'], async mount(ctx) { await ctx.plugin(LocalBashExecutor) await ctx.plugin(ToolBash) }, + note: + 'The bash/bash_output/bash_kill tools are model-facing consumers of the bash executor seam.', + }, + { + pkg: '@deepseek-ai/dsh-tool-cordis', + dir: 'tool-cordis', + source: 'packages/cordis/tool-cordis/src/index.ts', + requires: ['ctx.tools'], + writes: ['tool/call', 'tool/result', 'live plugin-tree mutations (mount/unmount)'], + async mount(ctx) { + await ctx.plugin(ToolCordis) + }, + note: + 'Ships in examples/cordis-agent only (a deliberate opt-in — mounted code gets the real ctx, see docs/rfc/implemented/feature/2026-07-08-self-referential-cordis-toolset.md). Plugins the model mounts may register ADDITIONAL model-visible tools at runtime; the request-header ToolsDelta logs those tool-set changes.', }, { pkg: '@deepseek-ai/dsh-tool-fs', dir: 'tool-fs', source: 'packages/fs/tool-fs/src/index.ts', + requires: ['ctx.tools', 'ctx.fs', 'ctx.systemPrompt'], + writes: ['tool/call', 'fs/write-intent or fs/edit-intent for mutations', 'fs/observed after successful file operations', 'tool/result'], async mount(ctx) { // The tool injects `fs`; boot the local backend to satisfy it. The schemas // do not depend on the policy plugin (an event gate that changes behavior, @@ -117,10 +183,28 @@ const TOOL_PACKAGES: ToolPackage[] = [ note: 'The read-before-write/edit policy is added by `@deepseek-ai/dsh-fs-policy` (an `fs/*` event-gate plugin, no schema change); a deployment that loads these tools is expected to also load it. The tool schemas above are identical with or without the policy plugin.', }, + { + pkg: '@deepseek-ai/dsh-tool-skill', + dir: 'tool-skill', + source: 'packages/skill/tool-skill/src/index.ts', + requires: ['ctx.tools', 'ctx.skills'], + writes: ['tool/call', 'tool/result'], + async mount(ctx) { + await ctx.plugin(SkillService) + await ctx.plugin(SkillLocal, { + dshHome: resolve(root, '.tmp/tool-catalog/.dsh'), + agentsHome: resolve(root, '.tmp/tool-catalog/.agents'), + }) + await ctx.plugin(ToolSkill) + }, + }, { pkg: '@deepseek-ai/dsh-tool-subagent', dir: 'tool-subagent', source: 'packages/subagent/tool-subagent/src/index.ts', + requires: ['ctx.tools', 'ctx.subagents'], + writes: ['tool/call', 'tool/result', 'child session events through the chosen provider'], + shippedNames: ['subagent', 'subagent_fork'], async mount(ctx) { await ctx.plugin(SubagentService) // Register a scripted provider under the name the tool delegates to. @@ -134,14 +218,36 @@ const TOOL_PACKAGES: ToolPackage[] = [ pkg: '@deepseek-ai/dsh-tool-todo', dir: 'tool-todo', source: 'packages/todo/tool-todo/src/index.ts', + requires: ['ctx.tools', 'owning Agent session'], + writes: ['tool/call', 'todo/write', 'tool/result'], async mount(ctx) { await ctx.plugin(ToolTodo) }, + note: + 'todo_write is session-owned state; UIs render the latest todo/write event as a checklist or ACP plan.', + }, + { + pkg: '@deepseek-ai/dsh-tool-workflow', + dir: 'tool-workflow', + source: 'packages/workflow/tool-workflow/src/index.ts', + requires: ['ctx.tools', 'ctx.workflows', 'ctx.systemPrompt', 'a calling Agent (exec.agent parents the script children)'], + writes: ['tool/call', 'tool/result'], + async mount(ctx) { + // The tool injects `workflows`; boot the vm engine over a scripted + // subagent provider to satisfy it. The schema does not depend on which + // provider backs the engine. + await ctx.plugin(SubagentService) + await ctx.plugin(SubagentMock, { name: 'mock' }) + await ctx.plugin(VmWorkflowEngine, { provider: 'mock' }) + await ctx.plugin(ToolWorkflow) + }, }, { pkg: '@deepseek-ai/dsh-tool-web', dir: 'tool-web', source: 'packages/web/tool-web/src/index.ts', + requires: ['ctx.tools', 'ctx.web', 'ctx.systemPrompt'], + writes: ['tool/call', 'tool/result'], async mount(ctx) { // The tools inject `web`; boot the seam plus one search and one fetch // provider so both `web_search` and `web_fetch` register. The schemas do @@ -152,6 +258,8 @@ const TOOL_PACKAGES: ToolPackage[] = [ await ctx.plugin(WebFetchLocal) await ctx.plugin(ToolWeb) }, + note: + 'web_search and web_fetch keep provider selection behind ctx.web so model-visible schemas stay stable across backend swaps.', }, ] @@ -159,6 +267,9 @@ const TOOL_PACKAGES: ToolPackage[] = [ interface CatalogPackage { pkg: string source: string + requires: string[] + writes: string[] + shippedNames?: string[] schemas: ToolSchema[] /** A deployment note (see {@link ToolPackage.note}), rendered after the tools. */ note?: string @@ -205,10 +316,18 @@ export async function collectToolCatalog(packages: ToolPackage[] = TOOL_PACKAGES // fiber) — the repo's "dispose must reach quiescence" rule. try { await ctx.plugin(SystemPrompt) - await ctx.plugin(ToolRegistry) + await ctx.plugin(ToolRegistry, entry.toolsConfig ?? {}) await entry.mount(ctx) const schemas = ctx.tools.schemas().sort((a, b) => a.name.localeCompare(b.name)) - catalog.push({ pkg: entry.pkg, source: entry.source, schemas, ...entry.note !== undefined ? { note: entry.note } : {} }) + catalog.push({ + pkg: entry.pkg, + source: entry.source, + requires: entry.requires, + writes: entry.writes, + schemas, + ...entry.shippedNames !== undefined ? { shippedNames: entry.shippedNames } : {}, + ...entry.note !== undefined ? { note: entry.note } : {}, + }) } finally { await ctx.fiber.dispose() } @@ -220,12 +339,19 @@ export async function collectToolCatalog(packages: ToolPackage[] = TOOL_PACKAGES function renderTool(schema: ToolSchema, source: string): string[] { const out = [`### \`${schema.name}\``, ''] if (schema.description) out.push(schema.description, '') - if (schema.strict !== undefined) out.push(`Strict: \`${String(schema.strict)}\``, '') out.push('```json', JSON.stringify(schema.parameters, null, 2), '```', '') - out.push(`Source: [\`${source}\`](../../${source})`, '') + out.push(`Source: [\`${source}\`](../${source})`, '') return out } +function codeList(values: string[] | undefined): string { + return values?.length ? values.map(value => `\`${value}\``).join(', ') : '-' +} + +function tableCell(value: string | undefined): string { + return value ? value.replace(/\|/g, '\\|').replace(/\n/g, '<br>') : '-' +} + /** Render the full catalog (pure, deterministic given the manifest-ordered input). */ export function render(catalog: ToolCatalog): string { const lines: string[] = [ @@ -234,12 +360,20 @@ export function render(catalog: ToolCatalog): string { '', '# Tool Schema Catalog', '', - 'Every model-facing tool a shipped plugin contributes to `ctx.tools`: the `name`, `description`, and JSON-Schema `parameters` the model receives via the system-prompt assembly. It complements the [cordis events & services catalog](../cordis-catalog/events-and-services.md) (the wiring a plugin listens to and calls) and [core-data-structures/](../core-data-structures/core.md) (the types those signatures move) — this page is the *tools* the agent is offered.', + 'Every model-facing tool a shipped plugin contributes to `ctx.tools`: the `name`, `description`, and JSON-Schema `parameters` the model receives via the system-prompt assembly. It complements the cordis [events](cordis-catalog/events.md) & [services](cordis-catalog/services.md) catalogs (the wiring a plugin listens to and calls) and [core-data-structures/](core-data-structures/core.md) (the types those signatures move) — this page is the *tools* the agent is offered.', '', - 'This file is GENERATED and verified fresh by `pnpm run verify-tool-catalog` (part of `doc-sync`) — do not edit it by hand. Unlike the cordis catalog (a pure source-AST pass), this generator BOOTS each tool plugin on a real context and reads `ctx.tools.schemas()`, because a tool schema is not statically knowable (runtime-spread enums, concatenated descriptions, config-driven names, raw-JSON-Schema MCP tools). A completeness guard globs `packages/*/tool-*` and fails if any package is missing from the generator\'s boot manifest, so a new tool cannot be silently undocumented. See [the tool-schema-catalog RFC](../rfc/implemented/process/2026-07-02-tool-schema-catalog.md).', + 'This file is GENERATED and verified fresh by `pnpm run verify-tool-catalog` (part of `doc-sync`) — do not edit it by hand. Unlike the cordis catalog (a pure source-AST pass), this generator BOOTS each tool plugin on a real context and reads `ctx.tools.schemas()`, because a tool schema is not statically knowable (runtime-spread enums, concatenated descriptions, config-driven names, raw-JSON-Schema MCP tools). A completeness guard globs `packages/*/tool-*` and fails if any package is missing from the generator\'s boot manifest, so a new tool cannot be silently undocumented. See [the tool-schema-catalog RFC](rfc/implemented/process/2026-07-02-tool-schema-catalog.md).', '', 'Scope: shipped product tools under `packages/*/tool-*`, each booted with its DEFAULT config. The registered tool NAME can be a load-time config (e.g. `tool-subagent`\'s `toolName`), so a deployment may surface a package under a different or additional name — a per-package note records those shipped aliases where they exist. The `examples/` demo tools (e.g. `echo`) are excluded, matching the cordis catalog\'s packages-only scope.', '', + '## Tool Package Map', + '', + 'This table connects model-visible tool names to the plugin package and service seams behind them. Exact JSON Schemas follow in the package sections below.', + '', + '| Tool package | Model-visible names | Requires | Writes / affects | Shipped aliases | Deployment note |', + '| --- | --- | --- | --- | --- | --- |', + ...catalog.map(entry => `| \`${entry.pkg}\` | ${codeList(entry.schemas.map(schema => schema.name))} | ${codeList(entry.requires)} | ${codeList(entry.writes)} | ${codeList(entry.shippedNames)} | ${tableCell(entry.note)} |`), + '', ] for (const entry of catalog) { lines.push(`## \`${entry.pkg}\``, '') diff --git a/scripts/jsdoc.ts b/scripts/jsdoc.ts new file mode 100644 index 0000000000..d0e5771882 --- /dev/null +++ b/scripts/jsdoc.ts @@ -0,0 +1,218 @@ +/** + * Shared JSDoc parsing and completeness-check helpers for the documentation + * gates: the cordis catalog generator (`scripts/gen-cordis-catalog.ts` — the + * events + `ctx.<key>` service surface), the plugin config catalog generator + * (`scripts/gen-config-catalog.ts`, which renders the parsed prose), and the + * export-surface gate (`scripts/verify-export-jsdoc.ts` — every module-level + * export). One home for the mechanics so "documented" means the same thing on + * every gated surface: description prose ends at the first block tag; every + * checkable parameter needs a non-empty `@param`; a non-void ANNOTATED return + * needs a non-empty `@returns`; a stale `@param` naming no real parameter + * errors. + */ + +import ts from 'typescript' + +/** Repo-relative source pointer `file:line` for a node's first character. */ +export function pointer(rel: string, sf: ts.SourceFile, node: ts.Node): string { + const { line } = sf.getLineAndCharacterOfPosition(node.getStart(sf)) + return `${rel}:${line + 1}` +} + +/** The raw `/** … *​/` JSDoc block immediately preceding a node, or '' if none. */ +export function rawJsDoc(text: string, node: ts.Node): string { + const ranges = ts.getLeadingCommentRanges(text, node.getFullStart()) ?? [] + const jsdoc = ranges.filter(r => text.slice(r.pos, r.pos + 3) === '/**').at(-1) + return jsdoc ? text.slice(jsdoc.pos, jsdoc.end) : '' +} + +/** A dispatch mode, rendered as the badge after an event name in the catalog. */ +export type Mode = 'emit' | 'waterfall' | 'parallel' | 'serial' + +/** + * Parse a raw JSDoc block into description prose + the `@mode` tag (when + * present). Output obeys the repo's markdown conventions so the generated + * catalog passes verify-md-wrap: each prose paragraph collapses to ONE physical + * line, and a `-` bullet list is preserved with each item on its own single + * line (continuation lines folded in). `{@link Foo}` unwraps to `Foo`. + * Description prose ends at the FIRST block tag (standard JSDoc semantics): + * tag lines and their continuation lines are never prose, so `@param` / + * `@returns` blocks are invisible to the rendered catalog. + * @param raw - the raw comment text including the JSDoc delimiters. + * @returns the collapsed description prose plus the parsed `@mode` (or null). + */ +export function parseJsDoc(raw: string): { doc: string; mode: Mode | null } { + const inner = raw + .replace(/^\/\*\*/, '') + .replace(/\*\/$/, '') + .split('\n') + .map(l => l.replace(/^\s*\*?\s?/, '').replace(/\s+$/, '')) + let mode: Mode | null = null + let inTags = false + const blocks: string[] = [] + let para: string[] = [] + let list: string[] = [] + let item: string[] = [] + const join = (parts: string[]): string => parts.join(' ').replace(/\s+/g, ' ').trim() + const flushItem = (): void => { + if (item.length) list.push(join(item)) + item = [] + } + const flushList = (): void => { + flushItem() + if (list.length) blocks.push(list.join('\n')) // one block, items on own lines + list = [] + } + const flushPara = (): void => { + flushList() + if (para.length) blocks.push(join(para)) + para = [] + } + for (const line of inner) { + const m = /^@mode\s+(emit|waterfall|parallel|serial)\s*$/.exec(line) + if (m) { mode = m[1] as Mode; flushPara(); inTags = true; continue } + if (line.startsWith('@')) { flushPara(); inTags = true; continue } + if (inTags) continue // block-tag territory: continuations are never prose + if (line.trim() === '') { flushPara(); continue } + if (/^-\s+/.test(line)) { + // A list item starts: a pending paragraph (e.g. an intro line directly + // above the list, no blank between) flushes FIRST so it renders above. + flushItem() + if (para.length) { blocks.push(join(para)); para = [] } + item.push(line) + continue + } + if (item.length) { item.push(line); continue } // continuation of current item + para.push(line) + } + flushPara() + const doc = blocks.join('\n\n').replace(/\{@link\s+([^}]+)\}/g, '$1').trim() + return { doc, mode } +} + +/** + * Parse the block tags of a raw JSDoc comment for the completeness checks: + * every `@param name — description` entry plus the `@returns` description. + * Standard JSDoc block-tag semantics — a tag's description runs across + * continuation lines until the next tag or a blank line, and the `-`/`—` + * separator after a param name is optional. `[name]` optional-brackets unwrap + * to `name`. Rendering never sees these: parseJsDoc stops prose at the first + * block tag. + * @param raw - the raw comment text including the JSDoc delimiters. + * @returns the `@param` name→description map plus the `@returns` description + * (null when the tag is absent, '' when present but empty). + */ +export function parseTags(raw: string): { params: Map<string, string>; returns: string | null } { + const inner = raw + .replace(/^\/\*\*/, '') + .replace(/\*\/$/, '') + .split('\n') + .map(l => l.replace(/^\s*\*?\s?/, '').replace(/\s+$/, '')) + const params = new Map<string, string>() + let returns: string | null = null + let sink: ((text: string) => void) | null = null + for (const line of inner) { + const param = /^@param\s+(\[?[\w$]+\]?)\s*(?:[-—–]\s*)?(.*)$/.exec(line) + if (param) { + const name = (param[1] ?? '').replace(/^\[|\]$/g, '') + let acc = param[2] ?? '' + params.set(name, acc) + sink = (t) => { acc = acc ? `${acc} ${t}` : t; params.set(name, acc) } + continue + } + const ret = /^@returns?(?:\s+[-—–]?\s*(.*))?$/.exec(line) + if (ret) { + let acc = ret[1] ?? '' + returns = acc + sink = (t) => { acc = acc ? `${acc} ${t}` : t; returns = acc } + continue + } + if (line.startsWith('@') || line.trim() === '') { sink = null; continue } + sink?.(line.trim()) + } + return { params, returns } +} + +/** + * Check the `@param` half of the completeness contract for one function-like + * declaration: every checkable parameter carries a non-empty `@param`, and no + * `@param` is stale. A binding-pattern parameter is a violation (it has no name + * for `@param` to match); an exempt parameter may be documented but its absence + * is never checked. Violations append to `violations` in place. + * @param where - the offender label violations open with, e.g. `event 'x' (file:1)`. + * @param surface - the surface noun for the binding-pattern message ("event", "service", "export"). + * @param parameters - the declaration's parameter list. + * @param tags - the parsed `@param` name→description map from parseTags. + * @param sf - the source file (for rendering a binding pattern's text). + * @param isExempt - which parameters need no `@param` (e.g. `this`, a waterfall's trailing `next`). + * @param violations - the aggregate list violations append to. + */ +export function checkParams( + where: string, + surface: string, + parameters: readonly ts.ParameterDeclaration[], + tags: Map<string, string>, + sf: ts.SourceFile, + isExempt: (p: ts.ParameterDeclaration) => boolean, + violations: string[], +): void { + for (const p of parameters) { + if (!ts.isIdentifier(p.name)) { + violations.push(`${where}: parameter '${p.name.getText(sf)}' is a binding pattern; the ${surface} surface needs simple identifier parameters so @param can name them.`) + continue + } + if (isExempt(p)) continue + const desc = tags.get(p.name.text) + if (desc === undefined) violations.push(`${where} is missing @param ${p.name.text}.`) + else if (!desc.trim()) violations.push(`${where}: @param ${p.name.text} has an empty description.`) + } + for (const tag of tags.keys()) { + if (!parameters.some(p => ts.isIdentifier(p.name) && p.name.text === tag)) { + violations.push(`${where}: @param ${tag} does not match any parameter (stale tag?).`) + } + } +} + +/** + * Check the `@returns` half of the completeness contract: a non-`void` / + * `Promise<void>` return needs a non-empty `@returns`, and the return type must + * be ANNOTATED — a pure-AST walk cannot classify an inferred return. On a void + * declaration `@returns` stays optional (resolution timing can be worth + * documenting), never required. Violations append to `violations` in place. + * @param where - the offender label violations open with. + * @param typeNode - the declared return type annotation, or undefined when inferred. + * @param returns - the parsed `@returns` description from parseTags (null when absent). + * @param sf - the source file (for rendering the annotation's text). + * @param violations - the aggregate list violations append to. + */ +export function checkReturns( + where: string, + typeNode: ts.TypeNode | undefined, + returns: string | null, + sf: ts.SourceFile, + violations: string[], +): void { + if (typeNode === undefined) { + violations.push(`${where} has no return type annotation; annotate it explicitly so the gate can classify the result.`) + return + } + const rt = typeNode.getText(sf).replace(/\s+/g, ' ') + if (/^(void|Promise<void>)$/.test(rt)) return + if (returns === null) violations.push(`${where} is missing @returns (return type: ${rt}).`) + else if (!returns.trim()) violations.push(`${where}: @returns has an empty description.`) +} + +/** + * Throw one aggregate error for every completeness violation a walk collected. + * Aggregation (vs failing fast) is deliberate: a remediation pass sees the + * whole list at once instead of replaying the gate once per offender. + * @param gate - the reporting gate's name, prefixed to the error message. + * @param violations - the collected violation lines; no-op when empty. + */ +export function reportViolations(gate: string, violations: string[]): void { + if (violations.length === 0) return + throw new Error( + `${gate}: ${violations.length} JSDoc completeness violation(s) (see AGENTS.md):\n` + + violations.map(v => ` ${v}`).join('\n'), + ) +} diff --git a/scripts/publint-all.ts b/scripts/publint-all.ts index 0e06372c3f..126943c8dd 100644 --- a/scripts/publint-all.ts +++ b/scripts/publint-all.ts @@ -1,6 +1,11 @@ -import { execFileSync } from 'node:child_process' +import { execFile } from 'node:child_process' import { existsSync, readdirSync } from 'node:fs' +import { availableParallelism } from 'node:os' import { resolve } from 'node:path' +import { promisify } from 'node:util' + +const execFileAsync = promisify(execFile) +const CONCURRENCY_ENV = 'DSH_PUBLINT_CONCURRENCY' // publint every harness package. Packages live at packages/<group>/<pkg> // (the group dirs — core/llm/bash/… — are pure containers); vendor/ is private @@ -9,15 +14,94 @@ import { resolve } from 'node:path' const root = resolve(import.meta.dirname, '..') const packagesRoot = resolve(root, 'packages') -const packages = readdirSync(packagesRoot, { withFileTypes: true }) - .filter(group => group.isDirectory()) - .flatMap(group => - readdirSync(resolve(packagesRoot, group.name), { withFileTypes: true }) - .filter(pkg => pkg.isDirectory()) - .filter(pkg => existsSync(resolve(packagesRoot, group.name, pkg.name, 'package.json'))) - .map(pkg => `packages/${group.name}/${pkg.name}`), - ) +type PublintResult = + | { path: string; status: 'passed'; stdout: string; stderr: string } + | { path: string; status: 'failed'; stdout: string; stderr: string; message: string } -for (const path of packages) { - execFileSync('node_modules/.bin/publint', [path], { cwd: root, stdio: 'inherit' }) +function workspacePackages(): string[] { + return readdirSync(packagesRoot, { withFileTypes: true }) + .filter(group => group.isDirectory()) + .flatMap(group => + readdirSync(resolve(packagesRoot, group.name), { withFileTypes: true }) + .filter(pkg => pkg.isDirectory()) + .filter(pkg => existsSync(resolve(packagesRoot, group.name, pkg.name, 'package.json'))) + .map(pkg => `packages/${group.name}/${pkg.name}`), + ) } + +function publintConcurrency(total: number): number { + if (total === 0) return 0 + + const raw = process.env[CONCURRENCY_ENV] + if (raw !== undefined) { + const parsed = Number.parseInt(raw, 10) + if (!Number.isSafeInteger(parsed) || parsed < 1) { + throw new Error(`publint-all: ${CONCURRENCY_ENV} must be a positive integer, got ${JSON.stringify(raw)}.`) + } + return Math.min(total, parsed) + } + + return Math.min(total, availableParallelism()) +} + +function outputText(value: unknown): string { + if (typeof value === 'string') return value + if (Buffer.isBuffer(value)) return value.toString() + return '' +} + +async function runPublint(path: string): Promise<PublintResult> { + try { + const { stdout, stderr } = await execFileAsync('node_modules/.bin/publint', [path], { + cwd: root, + encoding: 'utf8', + maxBuffer: 10 * 1024 * 1024, + }) + return { path, status: 'passed', stdout, stderr } + } catch (error: unknown) { + const failed = error as { stdout?: unknown; stderr?: unknown; message?: string } + return { + path, + status: 'failed', + stdout: outputText(failed.stdout), + stderr: outputText(failed.stderr), + message: failed.message ?? 'publint failed', + } + } +} + +async function runAll(paths: string[], concurrency: number): Promise<PublintResult[]> { + let next = 0 + const results: Array<PublintResult | undefined> = [] + await Promise.all(Array.from({ length: concurrency }, async () => { + for (;;) { + const index = next + next += 1 + const path = paths[index] + if (path === undefined) return + results[index] = await runPublint(path) + } + })) + + return paths.map((path, index) => { + const result = results[index] + if (result === undefined) throw new Error(`publint-all: missing result for ${path}.`) + return result + }) +} + +function printResult(result: PublintResult): void { + console.log(`Running publint for ${result.path}...`) + process.stdout.write(result.stdout) + process.stderr.write(result.stderr) + if (result.status === 'failed') console.error(result.message) +} + +const packages = workspacePackages() +const concurrency = publintConcurrency(packages.length) +console.log(`publint-all: linting ${packages.length} package(s) with ${concurrency} worker(s).`) + +const results = await runAll(packages, concurrency) +for (const result of results) printResult(result) + +if (results.some(result => result.status === 'failed')) process.exit(1) diff --git a/scripts/rfc-index.ts b/scripts/rfc-index.ts new file mode 100644 index 0000000000..f8cb1d763b --- /dev/null +++ b/scripts/rfc-index.ts @@ -0,0 +1,140 @@ +/** + * Shared source of truth for the RFC index: the tree walker (structure rules) + * and the README table renderer. `gen-rfc-index.ts` writes the generated + * regions; `verify-rfc-classification.ts` checks structure and asserts the + * committed regions are fresh. Pure module — no side effects on import. + * + * The layout contract ([the classification RFC](../docs/rfc/implemented/process/2026-06-20-rfc-classification.md)): + * every RFC lives at `docs/rfc/{lifecycle}/{class}/yyyy-mm-dd-topic.md`, the + * folder IS the label, and both sets are CLOSED — extending either means + * amending this module AND the README's Classification prose. + * + * The index (`docs/rfc/INDEX.md`) is GENERATED in full: per-lifecycle sections + * whose rows are derived from each RFC's path (lifecycle/class), H1 (title, + * with an optional `RFC: ` prefix stripped), and filename date, sorted by date + * then filename. The curated prose lives in README.md, which carries no index + * rows at all. + */ + +import { readFileSync, readdirSync } from 'node:fs' +import { resolve } from 'node:path' +import { globSync } from 'node:fs' + +export const rfcRoot = resolve(import.meta.dirname, '../docs/rfc') + +/** The closed set of RFC lifecycles (top-level folders under docs/rfc/). */ +const LIFECYCLES = ['proposed', 'implemented', 'rejected'] as const + +/** + * The closed set of RFC classes (nested folder under each lifecycle). Adding a + * class is a deliberate act: extend this list AND the README's Classification + * section. The gate rejects any folder not listed here. + */ +const CLASSES = ['feature', 'bug-fix', 'simplification', 'architecture', 'process', 'testing'] as const + +/** Non-RFC Markdown allowed to sit directly at a lifecycle root. */ +const ROOT_ALLOWLIST = new Set(['AGENTS.md', 'CLAUDE.md']) + +/** Title-case a class/lifecycle folder name for a README heading. */ +const heading = (s: string): string => s.charAt(0).toUpperCase() + s.slice(1) + +/** One RFC file, as discovered by the walker. */ +export interface Rfc { + lifecycle: string + cls: string + base: string + /** Path relative to docs/rfc — the README link target. */ + rel: string + /** H1 text with any `RFC: ` prefix stripped — the README row title. */ + title: string + /** `yyyy-mm-dd` from the filename — the "First proposed" column. */ + date: string +} + +/** + * Walk the RFC tree, enforcing the structure rules. Returns every valid RFC + * plus one error string per violation (unknown lifecycle or class folder, bad + * depth, bad filename, missing/malformed H1). Callers treat a non-empty error + * list as fatal — the index is only generated from a structurally valid tree. + */ +export function walkRfcTree(): { rfcs: Rfc[]; errors: string[] } { + const rfcs: Rfc[] = [] + const errors: string[] = [] + // The lifecycle set is closed too: any directory under docs/rfc/ that is not + // a known lifecycle would otherwise hold RFCs invisible to the walk below. + for (const entry of readdirSync(rfcRoot, { withFileTypes: true })) { + if (entry.isDirectory() && !(LIFECYCLES as readonly string[]).includes(entry.name)) { + errors.push(`structure: ${entry.name}/ — unknown lifecycle folder (allowed: ${LIFECYCLES.join(', ')})`) + } + } + for (const lifecycle of LIFECYCLES) { + for (const match of globSync(`${lifecycle}/**/*.md`, { cwd: rfcRoot }).sort()) { + const segs = match.split('/') + // Allowlisted file directly at the lifecycle root (e.g. implemented/AGENTS.md). + if (segs.length === 2 && ROOT_ALLOWLIST.has(segs[1] ?? '')) continue + // A Chinese counterpart (foo.zh.md, docs/i18n/README.md) is the SAME RFC, + // indexed via its English filename; the pairing gate owns its consistency. + if (match.endsWith('.zh.md')) continue + const cls = segs[1] + const base = segs[2] + if (segs.length !== 3 || cls === undefined || base === undefined) { + errors.push(`structure: ${match} — expected {lifecycle}/{class}/file.md (got depth ${segs.length})`) + continue + } + if (!(CLASSES as readonly string[]).includes(cls)) { + errors.push(`structure: ${match} — unknown class folder "${cls}" (allowed: ${CLASSES.join(', ')})`) + continue + } + if (!/^\d{4}-\d{2}-\d{2}-.+\.md$/.test(base)) { + errors.push(`structure: ${match} — filename must be yyyy-mm-dd-topic.md`) + continue + } + const firstLine = readFileSync(resolve(rfcRoot, match), 'utf8').split('\n', 1)[0] ?? '' + const h1 = /^#\s+(?:RFC:\s+)?(.+?)\s*$/.exec(firstLine) + if (!h1?.[1]) { + errors.push(`title: ${match} — first line must be an H1 (\`# RFC: <title>\` or \`# <title>\`), got: ${JSON.stringify(firstLine)}`) + continue + } + rfcs.push({ lifecycle, cls, base, rel: match, title: h1[1], date: base.slice(0, 10) }) + } + } + return { rfcs, errors } +} + +/** + * Render one lifecycle's section body: a `### {Class}` heading plus a + * `| Title | First proposed |` table for every non-empty class, in CLASSES + * order, rows sorted by date then filename. + */ +function renderLifecycle(rfcs: Rfc[], lifecycle: string): string { + const sections: string[] = [] + for (const cls of CLASSES) { + const rows = rfcs + .filter(r => r.lifecycle === lifecycle && r.cls === cls) + .sort((a, b) => a.date.localeCompare(b.date) || a.base.localeCompare(b.base)) + if (rows.length === 0) continue + const table = rows.map(r => `| [${r.title}](${r.rel}) | ${r.date} |`).join('\n') + sections.push(`### ${heading(cls)}\n\n| Title | First proposed |\n|---|---|\n${table}`) + } + return sections.join('\n\n') +} + +/** + * Render the complete `docs/rfc/INDEX.md` content: a generated-file banner + * followed by one `## {Lifecycle}` section per lifecycle in canonical order. + * The whole file is generated state — there is no curated region to preserve. + */ +export function renderIndex(rfcs: Rfc[]): string { + const parts = [ + '# RFC index', + '', + 'Generated by `pnpm run gen-rfc-index` from the RFC tree — never edit by hand; `verify-rfc-classification` fails when this file is stale. The curated front door — layout, classification, when to write one, and the in-file format — is [README.md](README.md).', + ] + for (const lifecycle of LIFECYCLES) { + parts.push('', `## ${heading(lifecycle)}`, '', renderLifecycle(rfcs, lifecycle)) + } + return `${parts.join('\n')}\n` +} + +/** Matches an index-shaped table row (a `| [title](lifecycle/…) |` line) — generated state that must not appear in curated prose. */ +export const INDEX_ROW = /^\|\s*\[[^\]]+\]\((?:proposed|implemented|rejected)\// diff --git a/scripts/run-gates.ts b/scripts/run-gates.ts new file mode 100644 index 0000000000..ef1e07ea43 --- /dev/null +++ b/scripts/run-gates.ts @@ -0,0 +1,448 @@ +/** + * Run local and CI quality gates with bounded in-process scheduling. + * + * The gate vocabulary stays in package.json; this runner only decides which + * independent commands can overlap and which commands wait for built artifacts. + */ +import { spawn } from 'node:child_process' +import { readdir, rm } from 'node:fs/promises' +import { availableParallelism } from 'node:os' +import { join, resolve } from 'node:path' +import { performance } from 'node:perf_hooks' + +type Mode = + | 'ci-primary' + | 'ci-static' + | 'ci-lint' + | 'ci-coverage' + | 'ci-snapshot' + | 'ci-artifacts' + | 'node-compat' + | 'pre-push' +type GateStatus = 'pending' | 'running' | 'passed' | 'failed' | 'skipped' + +interface Gate { + id: string + label: string + command: string + args: string[] + needs?: string[] + env?: Record<string, string | undefined> + input?: string + verify?: (result: GateResult) => Promise<void> +} + +interface GateResult { + gate: Gate + status: GateStatus + durationMs: number + stdout: string + stderr: string + exitCode: number | null + error?: string +} + +interface RunningGate { + gate: Gate + promise: Promise<GateResult> +} + +const root = resolve(import.meta.dirname, '..') +const mode = parseMode(process.argv[2]) +const gates = gatesForMode(mode) +const maxConcurrency = concurrencyFromEnv('DSH_GATE_CONCURRENCY', defaultConcurrency(gates.length)) +const startedAt = performance.now() + +console.log(`run-gates: ${mode} running ${gates.length} gate(s) with ${maxConcurrency} worker(s).`) + +const results = await runGates(gates, maxConcurrency) +printSummary(results, performance.now() - startedAt) + +if (results.some(result => result.status === 'failed' || result.status === 'skipped')) process.exit(1) + +function parseMode(raw: string | undefined): Mode { + switch (raw) { + case 'ci-primary': + case 'ci-static': + case 'ci-lint': + case 'ci-coverage': + case 'ci-snapshot': + case 'ci-artifacts': + case 'node-compat': + case 'pre-push': + return raw + default: + throw new Error( + `run-gates: expected mode ci-primary | ci-static | ci-lint | ci-coverage | ci-snapshot | ci-artifacts | node-compat | pre-push, got ${JSON.stringify(raw)}.`, + ) + } +} + +function defaultConcurrency(total: number): number { + return Math.min(total, Math.max(4, availableParallelism())) +} + +function concurrencyFromEnv(name: string, fallback: number): number { + const raw = process.env[name] + if (raw === undefined || raw === '') return fallback + const parsed = Number.parseInt(raw, 10) + if (!Number.isSafeInteger(parsed) || parsed < 1) { + throw new Error(`run-gates: ${name} must be a positive integer, got ${JSON.stringify(raw)}.`) + } + return parsed +} + +function pnpmScript(id: string, script: string, options: Partial<Gate> = {}): Gate { + return { + id, + label: options.label ?? script, + command: pnpmBin(), + args: ['run', script], + ...options, + } +} + +function pnpmExec(id: string, args: string[], options: Partial<Gate> = {}): Gate { + return { + id, + label: options.label ?? `pnpm exec ${args.join(' ')}`, + command: pnpmBin(), + args: ['exec', ...args], + ...options, + } +} + +function pnpmBin(): string { + return process.platform === 'win32' ? 'pnpm.cmd' : 'pnpm' +} + +function nodeOptions(...options: string[]): string { + return [process.env.NODE_OPTIONS, ...options].filter(option => option !== undefined && option !== '').join(' ') +} + +function gatesForMode(selected: Mode): Gate[] { + switch (selected) { + case 'ci-primary': + return ciPrimaryGates() + case 'ci-static': + return ciStaticGates() + case 'ci-lint': + return [ + lintGate(), + ] + case 'ci-coverage': + return [ + coverageGate(), + ] + case 'ci-snapshot': + return [ + pnpmScript('snapshot', 'test:snapshot'), + ] + case 'ci-artifacts': + return ciArtifactGates() + case 'node-compat': + return [ + pnpmScript('typecheck', 'typecheck'), + ] + case 'pre-push': + return [ + pnpmScript('test', 'test'), + pnpmScript('snapshot', 'test:snapshot'), + pnpmScript('build', 'build'), + ...hygieneLeafGates({ artifactNeeds: ['build'] }), + ...docSyncLeafGates(), + pnpmScript('module-graph', 'verify-module-graph', { label: 'module graph' }), + ] + } +} + +function ciPrimaryGates(): Gate[] { + return [ + pnpmScript('constraints', 'constraints'), + pnpmScript('typecheck', 'typecheck'), + lintGate(), + coverageGate(), + pnpmScript('snapshot', 'test:snapshot'), + demoSmokeGate({ needs: ['lint'] }), + ...docSyncLeafGates(), + pnpmScript('module-graph', 'verify-module-graph', { label: 'module graph' }), + pnpmScript('knip', 'knip'), + pnpmScript('build', 'build', { needs: ['typecheck'] }), + pnpmScript('publint', 'publint', { needs: ['build'] }), + pnpmScript('node-next-types', 'verify-node-next-types', { + label: 'node-next types', + needs: ['build'], + }), + builtBinSmokeGate(), + ] +} + +function ciStaticGates(): Gate[] { + return [ + pnpmScript('constraints', 'constraints'), + demoSmokeGate(), + ...docSyncLeafGates(), + pnpmScript('module-graph', 'verify-module-graph', { label: 'module graph' }), + pnpmScript('knip', 'knip'), + ] +} + +function ciArtifactGates(): Gate[] { + return [ + pnpmScript('build', 'build'), + pnpmScript('publint', 'publint', { needs: ['build'] }), + pnpmScript('node-next-types', 'verify-node-next-types', { + label: 'node-next types', + needs: ['build'], + }), + builtBinSmokeGate(), + ] +} + +function lintGate(): Gate { + if (process.env.DSH_ESLINT_CACHE === '1') { + return pnpmExec('lint', [ + 'eslint', + '.', + '--cache', + '--cache-location', + '.cache/eslint/', + '--cache-strategy', + 'content', + ], { + label: 'lint', + env: { NODE_OPTIONS: nodeOptions('--max-old-space-size=8192') }, + }) + } + return pnpmScript('lint', 'lint', { + env: { NODE_OPTIONS: nodeOptions('--max-old-space-size=8192') }, + }) +} + +function coverageGate(): Gate { + return pnpmExec('coverage', [ + 'vitest', + 'run', + '--coverage', + ...positiveIntArg('DSH_COVERAGE_MAX_WORKERS', '--maxWorkers'), + ], { + label: 'test:coverage', + }) +} + +function positiveIntArg(envName: string, flag: string): string[] { + const raw = process.env[envName] + if (raw === undefined || raw === '') return [] + const parsed = Number.parseInt(raw, 10) + if (!Number.isSafeInteger(parsed) || parsed < 1 || String(parsed) !== raw) { + throw new Error(`run-gates: ${envName} must be a positive integer, got ${JSON.stringify(raw)}.`) + } + return [`${flag}=${raw}`] +} + +function hygieneLeafGates(options: { artifactNeeds?: string[] } = {}): Gate[] { + const artifactOptions = options.artifactNeeds === undefined ? {} : { needs: options.artifactNeeds } + return [ + pnpmScript('knip', 'knip'), + pnpmScript('publint', 'publint', artifactOptions), + pnpmScript('constraints', 'constraints'), + pnpmScript('node-next-types', 'verify-node-next-types', { + label: 'node-next types', + ...artifactOptions, + }), + ] +} + +function docSyncLeafGates(): Gate[] { + return [ + pnpmScript('doc-typecheck', 'doc-typecheck'), + pnpmScript('cordis-catalog', 'verify-cordis-catalog', { label: 'cordis catalog' }), + pnpmScript('export-jsdoc', 'verify-export-jsdoc', { label: 'export jsdoc' }), + pnpmScript('tool-catalog', 'verify-tool-catalog', { label: 'tool catalog' }), + pnpmScript('config-catalog', 'verify-config-catalog', { label: 'config catalog' }), + pnpmScript('persistence-catalog', 'verify-persistence-catalog', { label: 'persistence catalog' }), + pnpmScript('doc-graphs', 'verify-doc-graphs', { label: 'doc graphs' }), + pnpmScript('markdown-wrap', 'verify-md-wrap', { label: 'markdown wrap' }), + pnpmScript('markdown-links', 'verify-md-links', { label: 'markdown links' }), + pnpmScript('doc-refs', 'verify-doc-refs', { label: 'doc refs' }), + pnpmScript('package-paths', 'verify-package-paths', { label: 'package paths' }), + pnpmScript('mermaid', 'verify-mermaid'), + pnpmScript('rfc-classification', 'verify-rfc-classification', { label: 'rfc classification' }), + pnpmScript('rfc-format', 'verify-rfc-format', { label: 'rfc format' }), + pnpmScript('type-equivalence', 'verify-type-equiv', { label: 'type equivalence' }), + pnpmScript('translation-pairing', 'verify-translation-pairing', { label: 'translation pairing' }), + pnpmScript('doc-budgets', 'verify-doc-budgets', { label: 'doc budgets' }), + ] +} + +function demoSmokeGate(options: { needs?: string[] } = {}): Gate { + const dependencyOptions = options.needs === undefined ? {} : { needs: options.needs } + return { + id: 'demo-smoke', + label: 'demo smoke', + command: pnpmBin(), + args: ['run', 'demo:echo'], + input: 'echo ci smoke\n', + ...dependencyOptions, + verify: async (result) => { + const output = result.stdout + result.stderr + const sessionsRoot = join(root, '.sessions') + try { + if (!output.includes('[tool call] echo({"text":"ci smoke"})')) { + throw new Error('demo smoke did not show the echo tool call.') + } + if (!output.includes('[tool result] ECHO: CI SMOKE')) { + throw new Error('demo smoke did not show the echo tool result.') + } + const buckets = await readdir(sessionsRoot, { withFileTypes: true }) + let found = false + for (const bucket of buckets) { + if (!bucket.isDirectory() || !bucket.name.startsWith('cwd-')) continue + const entries = await readdir(join(sessionsRoot, bucket.name)) + if (entries.some(entry => /^main-session-.+\.jsonl$/.test(entry))) { + found = true + break + } + } + if (!found) throw new Error('demo smoke did not create a main-session JSONL log in a cwd bucket.') + } finally { + await rm(sessionsRoot, { recursive: true, force: true }) + } + }, + } +} + +function builtBinSmokeGate(): Gate { + return pnpmExec('built-bin-smoke', [ + 'vitest', + 'run', + '--config', + 'vitest.e2e.config.ts', + 'packages/ui/stdio-agent/tests/built-bin.e2e.ts', + 'packages/ui/acp-agent/tests/built-bin.e2e.ts', + // The worker-entry packages' built bundles: the only automated proof + // that lib/index.js resolves its sibling lib/worker.js under plain node + // (the e2e lane runs unbuilt, so these files self-skip there). + 'packages/workflow/workflow-workerthread/tests/built-worker.e2e.ts', + 'packages/code-runtime/code-runtime-worker/tests/built-lib.e2e.ts', + ], { + label: 'built-bin smoke', + needs: ['build'], + }) +} + +async function runGates(allGates: Gate[], maxActive: number): Promise<GateResult[]> { + const states = new Map<string, GateStatus>(allGates.map(gate => [gate.id, 'pending'])) + const results = new Map<string, GateResult>() + const running: RunningGate[] = [] + + for (;;) { + let madeProgress = false + while (running.length < maxActive) { + const ready = allGates.find(gate => states.get(gate.id) === 'pending' && dependenciesPassed(gate, states)) + if (ready === undefined) break + states.set(ready.id, 'running') + running.push({ gate: ready, promise: runGate(ready) }) + console.log(`run-gates: start ${ready.label}`) + madeProgress = true + } + + if (running.length === 0) { + const pending = allGates.filter(gate => states.get(gate.id) === 'pending') + for (const gate of pending) { + const failedDeps = (gate.needs ?? []).filter(id => states.get(id) !== 'passed') + const result: GateResult = { + gate, + status: 'skipped', + durationMs: 0, + stdout: '', + stderr: '', + exitCode: null, + error: `dependency failed or skipped: ${failedDeps.join(', ')}`, + } + states.set(gate.id, 'skipped') + results.set(gate.id, result) + printResult(result) + } + break + } + + if (!madeProgress) { + const settled = await Promise.race(running.map(async item => ({ item, result: await item.promise }))) + running.splice(running.indexOf(settled.item), 1) + states.set(settled.item.gate.id, settled.result.status) + results.set(settled.item.gate.id, settled.result) + printResult(settled.result) + } + } + + return allGates.map((gate) => { + const result = results.get(gate.id) + if (result === undefined) throw new Error(`run-gates: missing result for ${gate.id}.`) + return result + }) +} + +function dependenciesPassed(gate: Gate, states: Map<string, GateStatus>): boolean { + return (gate.needs ?? []).every(id => states.get(id) === 'passed') +} + +async function runGate(gate: Gate): Promise<GateResult> { + const started = performance.now() + let stdout = '' + let stderr = '' + + const exitCode = await new Promise<number | null>((resolveExit, reject) => { + const child = spawn(gate.command, gate.args, { + cwd: root, + env: { ...process.env, ...gate.env }, + stdio: ['pipe', 'pipe', 'pipe'], + }) + child.stdout.setEncoding('utf8') + child.stderr.setEncoding('utf8') + child.stdout.on('data', (chunk: string) => { stdout += chunk }) + child.stderr.on('data', (chunk: string) => { stderr += chunk }) + child.on('error', reject) + child.on('close', resolveExit) + if (gate.input !== undefined) child.stdin.end(gate.input) + else child.stdin.end() + }) + + let status: GateStatus = exitCode === 0 ? 'passed' : 'failed' + let error: string | undefined + if (status === 'passed' && gate.verify !== undefined) { + try { + await gate.verify({ gate, status, durationMs: performance.now() - started, stdout, stderr, exitCode }) + } catch (verifyError: unknown) { + status = 'failed' + error = verifyError instanceof Error ? verifyError.message : String(verifyError) + } + } + + const result: GateResult = { + gate, + status, + durationMs: performance.now() - started, + stdout, + stderr, + exitCode, + } + if (error !== undefined) result.error = error + return result +} + +function printResult(result: GateResult): void { + const seconds = (result.durationMs / 1000).toFixed(2) + console.log(`\n== ${result.status.toUpperCase()} ${result.gate.label} (${seconds}s) ==`) + process.stdout.write(result.stdout) + process.stderr.write(result.stderr) + if (result.error !== undefined) console.error(result.error) +} + +function printSummary(results: GateResult[], durationMs: number): void { + const passed = results.filter(result => result.status === 'passed').length + const failed = results.filter(result => result.status === 'failed').length + const skipped = results.filter(result => result.status === 'skipped').length + const seconds = (durationMs / 1000).toFixed(2) + console.log(`\nrun-gates: ${passed} passed, ${failed} failed, ${skipped} skipped in ${seconds}s.`) +} diff --git a/scripts/translation-pairing.manifest.json b/scripts/translation-pairing.manifest.json index 77d7936822..891aae375b 100644 --- a/scripts/translation-pairing.manifest.json +++ b/scripts/translation-pairing.manifest.json @@ -10,8 +10,10 @@ "excluded": [ "docs/AGENTS.md", "docs/module-graph.md", + "docs/config-catalog.md", + "docs/tool-catalog.md", + "docs/persistence-catalog.md", "docs/cordis-catalog/", - "docs/tool-catalog/", "docs/i18n/terminology.md", "docs/i18n/style-samples.md", "docs/i18n/translation-prompt.md" diff --git a/scripts/type-equiv.manifest.json b/scripts/type-equiv.manifest.json index 0aca732e03..e87d945497 100644 --- a/scripts/type-equiv.manifest.json +++ b/scripts/type-equiv.manifest.json @@ -8,6 +8,7 @@ { "doc": "docs/core-data-structures/core.md", "symbol": "FinishReasonMap", "source": "packages/llm/llm/src/types.ts" }, { "doc": "docs/core-data-structures/core.md", "symbol": "GenerateOptions", "source": "packages/llm/llm/src/types.ts" }, { "doc": "docs/core-data-structures/core.md", "symbol": "ToolSchema", "source": "packages/llm/llm/src/types.ts" }, + { "doc": "docs/core-data-structures/core.md", "symbol": "LlmCallConfig", "source": "packages/llm/llm/src/call-config.ts" }, { "doc": "docs/core-data-structures/core.md", "symbol": "SessionEvent", "source": "packages/core/session/src/types.ts" }, { "doc": "docs/core-data-structures/core.md", "symbol": "Agent", "source": "packages/core/agent/src/types.ts" }, { "doc": "docs/core-data-structures/core.md", "symbol": "HookContext", "source": "packages/core/agent/src/types.ts" }, @@ -18,8 +19,10 @@ { "doc": "docs/core-data-structures/llm-streaming.md", "symbol": "StreamChunk", "source": "packages/llm/llm/src/types.ts" }, { "doc": "docs/core-data-structures/llm-streaming.md", "symbol": "TokenUsage", "source": "packages/llm/llm/src/types.ts" }, { "doc": "docs/core-data-structures/llm-streaming.md", "symbol": "ContentBlockMap", "source": "packages/llm/llm/src/types.ts" }, + { "doc": "docs/core-data-structures/llm-streaming.md", "symbol": "AppIdentity", "source": "packages/llm/llm/src/attribution.ts" }, { "doc": "docs/core-data-structures/session.md", "symbol": "SessionEventMap", "source": "packages/core/session/src/types.ts" }, + { "doc": "docs/core-data-structures/session.md", "symbol": "EpochHeader", "source": "packages/core/session/src/types.ts" }, { "doc": "docs/core-data-structures/session.md", "symbol": "TodoItem", "source": "packages/core/session/src/types.ts" }, { "doc": "docs/core-data-structures/session.md", "symbol": "SessionEvent", "source": "packages/core/session/src/types.ts" }, { "doc": "docs/core-data-structures/session.md", "symbol": "TurnTriggerMap", "source": "packages/core/session/src/types.ts" }, @@ -40,14 +43,45 @@ { "doc": "docs/core-data-structures/tools.md", "symbol": "ToolExecutionResult", "source": "packages/core/tools/src/index.ts" }, { "doc": "docs/core-data-structures/tools.md", "symbol": "PreToolDecision", "source": "packages/core/tools/src/index.ts" }, { "doc": "docs/core-data-structures/tools.md", "symbol": "PostToolDecision", "source": "packages/core/tools/src/index.ts" }, + { "doc": "docs/core-data-structures/tools.md", "symbol": "StructuredScalar", "source": "packages/core/tools/src/json-schema.ts" }, + { "doc": "docs/core-data-structures/tools.md", "symbol": "StructuredSchemaType", "source": "packages/core/tools/src/json-schema.ts" }, + { "doc": "docs/core-data-structures/tools.md", "symbol": "StructuredSchemaNode", "source": "packages/core/tools/src/json-schema.ts" }, + { "doc": "docs/core-data-structures/tools.md", "symbol": "StructuredOutputSchema", "source": "packages/core/tools/src/json-schema.ts" }, + + { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "AskUserQuestionOption", "source": "packages/ui/user-interaction/src/index.ts" }, + { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "AskUserQuestionItem", "source": "packages/ui/user-interaction/src/index.ts" }, + { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "AskUserQuestionRequest", "source": "packages/ui/user-interaction/src/index.ts" }, + { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "AskUserQuestionAnswerItem", "source": "packages/ui/user-interaction/src/index.ts" }, + { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "AskUserQuestionAnswer", "source": "packages/ui/user-interaction/src/index.ts" }, + { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "UserInteractionProvider", "source": "packages/ui/user-interaction/src/index.ts" }, + { "doc": "docs/core-data-structures/user-interaction.md", "symbol": "UserInteractionError", "source": "packages/ui/user-interaction/src/index.ts" }, + + { "doc": "docs/core-data-structures/approval.md", "symbol": "ApprovalRequestId", "source": "packages/ui/user-approval/src/index.ts" }, + { "doc": "docs/core-data-structures/approval.md", "symbol": "ApprovalOutcome", "source": "packages/ui/user-approval/src/index.ts" }, + { "doc": "docs/core-data-structures/approval.md", "symbol": "ApprovalPolicy", "source": "packages/ui/user-approval/src/index.ts" }, + { "doc": "docs/core-data-structures/approval.md", "symbol": "ApprovalRequest", "source": "packages/ui/user-approval/src/index.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashExecRequest", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashExecSpec", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashRunResult", "source": "packages/bash/bash/src/types.ts" }, + { "doc": "docs/core-data-structures/bash.md", "symbol": "BashSandboxInfo", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "CollectedOutput", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashTask", "source": "packages/bash/bash/src/types.ts" }, { "doc": "docs/core-data-structures/bash.md", "symbol": "BashTaskRead", "source": "packages/bash/bash/src/types.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "SandboxMode", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "ConfinedSandboxMode", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "SandboxEnforcement", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "SandboxPolicy", "source": "packages/sandbox/sandbox/src/index.ts" }, + { "doc": "docs/core-data-structures/sandbox.md", "symbol": "ConfinedArgv", "source": "packages/sandbox/sandbox/src/index.ts" }, + + { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeRunRequest", "source": "packages/code-runtime/code-runtime/src/types.ts" }, + { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeRunResult", "source": "packages/code-runtime/code-runtime/src/types.ts" }, + { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeBindingNamespace", "source": "packages/code-runtime/code-runtime/src/types.ts" }, + { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeBindingFunction", "source": "packages/code-runtime/code-runtime/src/types.ts" }, + { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeLogEntry", "source": "packages/code-runtime/code-runtime/src/types.ts" }, + { "doc": "docs/core-data-structures/code-runtime.md", "symbol": "CodeRunFailure", "source": "packages/code-runtime/code-runtime/src/types.ts" }, + { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsTarget", "source": "packages/fs/fs/src/types.ts" }, { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsTargetKey", "source": "packages/fs/fs/src/types.ts" }, { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsVersion", "source": "packages/fs/fs/src/types.ts" }, @@ -61,6 +95,16 @@ { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FsPolicyExec", "source": "packages/fs/fs-policy/src/types.ts" }, { "doc": "docs/core-data-structures/filesystem.md", "symbol": "FileReadOutcome", "source": "packages/fs/tool-fs/src/read-render.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSource", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillResourceBase", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillSummary", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillCandidate", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillDefinition", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillRegistration", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillLookupOptions", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "SkillProvider", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/skills.md", "symbol": "Config", "source": "packages/skill/skill/src/index.ts" }, + { "doc": "docs/core-data-structures/compaction.md", "symbol": "CompactionResult", "source": "packages/compact/compact/src/types.ts" }, { "doc": "docs/core-data-structures/subagent.md", "symbol": "SubagentCapabilities", "source": "packages/subagent/subagent/src/types.ts" }, @@ -77,6 +121,10 @@ { "doc": "docs/core-data-structures/web.md", "symbol": "WebFetchResult", "source": "packages/web/web/src/types.ts" }, { "doc": "docs/core-data-structures/web.md", "symbol": "WebFetchBody", "source": "packages/web/web/src/types.ts" }, { "doc": "docs/core-data-structures/web.md", "symbol": "WebProviderStatus", "source": "packages/web/web/src/types.ts" }, - { "doc": "docs/core-data-structures/web.md", "symbol": "WebCapabilityStatus", "source": "packages/web/web/src/types.ts" } + + { "doc": "docs/core-data-structures/workflow.md", "symbol": "WorkflowStartRequest", "source": "packages/workflow/workflow/src/types.ts" }, + { "doc": "docs/core-data-structures/workflow.md", "symbol": "WorkflowMeta", "source": "packages/workflow/workflow/src/types.ts" }, + { "doc": "docs/core-data-structures/workflow.md", "symbol": "WorkflowResult", "source": "packages/workflow/workflow/src/types.ts" }, + { "doc": "docs/core-data-structures/workflow.md", "symbol": "WorkflowRun", "source": "packages/workflow/workflow/src/types.ts" } ] } diff --git a/scripts/verify-doc-refs.ts b/scripts/verify-doc-refs.ts index 322368b724..56be5140c8 100644 --- a/scripts/verify-doc-refs.ts +++ b/scripts/verify-doc-refs.ts @@ -2,7 +2,7 @@ * Doc-sync gate: verify that doc references written in TypeScript COMMENTS * resolve to a file that exists. Source comments cite docs by root-relative * prose path — `see docs/rfc/implemented/testing/2026-06-19-acp-snapshot-tests.md`, - * `docs/architecture.md § plugin checklist`. `verify-md-links` parses Markdown + * `docs/architecture.md § Where New Behavior Goes`. `verify-md-links` parses Markdown * link AST and never sees these, so a doc rename or move could silently orphan * a `.ts` comment that points at it. The RFC classification reorg * ([the classification RFC](../docs/rfc/implemented/process/2026-06-20-rfc-classification.md)) @@ -12,7 +12,7 @@ * Detection is a token scan, NOT an AST walk: doc refs live in free prose inside * comments, not in a structured form. We match `docs/<path>.md` tokens and * REQUIRE the `.md` extension, so extensionless prose (`docs/postmortem/0001`, - * `docs/architecture.md § plugin checklist` — the section suffix is outside the + * `docs/architecture.md § Where New Behavior Goes` — the section suffix is outside the * token) is left alone rather than misread as a path. Each token is resolved * ROOT-RELATIVE (the way the comments are written) and must exist on disk. This * is checker, not fixer: it reports and never rewrites. @@ -26,9 +26,8 @@ * Run: `tsx scripts/verify-doc-refs.ts`. */ -import { existsSync, readFileSync } from 'node:fs' +import { existsSync, globSync, readFileSync } from 'node:fs' import { relative, resolve } from 'node:path' -import { glob } from 'node:fs/promises' const root = resolve(import.meta.dirname, '..') @@ -43,7 +42,7 @@ const isExcluded = (p: string): boolean => * Match a `docs/…​.md` reference token. The `.md` extension is required so a * bare `docs/postmortem/0001` (no extension) does not register as a path. The * character class stops at whitespace, backticks, parens, and the section sign, - * so trailing prose (`… .md § plugin checklist`) is not swallowed into the path. + * so trailing prose (`… .md § Where New Behavior Goes`) is not swallowed into the path. */ const DOC_REF = /\bdocs\/[A-Za-z0-9._/-]+\.md/g @@ -77,7 +76,7 @@ function findViolations(absPath: string): Violation[] { const all: Violation[] = [] let checked = 0 for (const pattern of PATTERNS) { - for await (const match of glob(pattern, { cwd: root })) { + for (const match of globSync(pattern, { cwd: root })) { if (isExcluded(match)) continue checked++ all.push(...findViolations(resolve(root, match))) diff --git a/scripts/verify-export-jsdoc.ts b/scripts/verify-export-jsdoc.ts new file mode 100644 index 0000000000..779888ab90 --- /dev/null +++ b/scripts/verify-export-jsdoc.ts @@ -0,0 +1,643 @@ +/** + * Verify JSDoc completeness for EVERY module-level exported name of every + * non-vendored package (each `packages/<group>/<pkg>/src/` tree). This is the + * mechanical form of the AGENTS.md rule "every export has a JSDoc explaining + * semantics", generalizing the cordis-surface gate (`gen-cordis-catalog.ts`, + * which owns `interface Events` members and `ctx.<key>` service classes) to + * the whole export surface; the parsing + check helpers are shared via + * `scripts/jsdoc.ts` so "documented" means the same thing on both. + * + * `tsx scripts/verify-export-jsdoc.ts` → exit 1 listing every offender + * + * The contract, per exported declaration kind: + * + * - Every exported name needs JSDoc with non-empty description prose (prose + * ends at the first block tag, standard JSDoc semantics). + * - A function-like export (function declaration, a const with a function + * initializer or an INLINE callable annotation, or a non-identifier + * function default export) additionally needs a non-empty `@param` per + * parameter (`this` receiver annotations exempt; a stale `@param` errors) + * and a non-empty `@returns` unless the return type is `void` / + * `Promise<void>`. Wrapper expressions (parentheses, `as` / `satisfies` + * casts, non-null assertions) are peeled before classifying. The walk + * classifies returns syntactically, so the return type must be ANNOTATED — + * except a const whose declarator is annotated with a NAMED type (e.g. + * `export const f: Handler = …`), where that type's own declaration owns + * the signature contract and `@returns` stays optional; an inline + * `(x: T) => U` annotation or single-call-signature literal is the surface + * signature itself and gets the full contract, and a literal mixing + * call/construct signatures with anything else is refused (extract a named + * type). + * - An exported class needs class-level JSDoc; its public methods (static + * included — they are reachable on the exported name) follow the function + * contract, and public properties and accessors need description prose (on + * a get/set pair the getter's doc covers both). A member declared by an + * `extends`/`implements` heritage type is EXEMPT — the seam declaration is + * the doc's one home, the IDE inherits it, and re-documenting every + * implementation invites drift — UNLESS the override grows surface the + * base never documented: a protected-only base member does not exempt a + * public override, parameters the base never names keep their `@param` + * duty, and a concrete result above a void base return keeps its + * `@returns` duty. Heritage members (and classifying an unannotated + * override's inferred return above a void base) are the questions the walk + * asks the TYPE CHECKER; everything else is pure AST. + * Constructors are exempt like the cordis gate's: plugin classes are + * framework-constructed, and the class doc owns the story. + * - Exported interfaces, type aliases, enums: description prose on the + * declaration (member-level docs stay review's job; the highest-value + * member surface — seam service classes — is already under the cordis + * gate). + * - An exported namespace recurses (its exported members are package + * surface; in an ambient `declare` namespace every member exports + * implicitly); the namespace itself needs prose only when it does not + * merge with an already-documented same-name declaration (the + * Config-namespace idiom documents the class/function once, not twice). + * - The cordis plugin-protocol slots are exempt: top-level `name` / `inject` + * / `reusable` / `Config` consts and the `apply` entry, plus the same + * slots as statics on a plugin class. Their shape is fixed by the + * framework, so a doc would restate the protocol — the module doc comment + * and the `interface Config` carry the plugin's real semantics. (These + * names are reserved by cordis convention; documenting one anyway is + * allowed, only absence goes unchecked.) + * - Overload groups: each overload signature carries its own docs; the + * implementation signature is exempt (callers never see it). + * - Skipped: `declare module` / `declare global` augmentation bodies (the + * cordis gate's turf; an augmentation is not an export of the package) and + * re-export statements with a module specifier (`export … from`) — the + * defining module is walked on its own, and external definitions are not + * ours to document. An `export import X = N.member` alias documents + * ITSELF, and only prose-only target kinds are gate-supported: a callable, + * class, or namespace target carries signature/member contracts the alias + * cannot hold and is refused (export the declaration directly). + * - Everything else fails CLOSED: `export =` is refused outright, and an + * exported statement kind the dispatch does not recognize is itself a + * violation, so no export form can pass unchecked by omission. + */ + +import { existsSync, globSync } from 'node:fs' +import { resolve } from 'node:path' +import ts from 'typescript' +import { checkParams, checkReturns, parseJsDoc, parseTags, pointer, rawJsDoc } from './jsdoc.ts' + +const root = resolve(import.meta.dirname, '..') + +/** Plugin-protocol slot names exempt as statics on an exported class. */ +const PROTOCOL_STATICS = new Set(['Config', 'inject', 'name', 'reusable']) + +/** Plugin-protocol slot names exempt as top-level exports (const or function). */ +const PROTOCOL_EXPORTS = new Set(['Config', 'inject', 'name', 'reusable', 'apply']) + +/** Per-file walk state threaded through the scope recursion. */ +interface Walk { + /** Repo-relative path of the file being walked. */ + rel: string + /** The parsed source file. */ + sf: ts.SourceFile + /** Raw file text (rawJsDoc reads comment ranges out of it). */ + text: string + /** The program's checker, consulted only for heritage-member lookups. */ + checker: ts.TypeChecker + /** The aggregate violation list, appended in place. */ + violations: string[] +} + +/** True when a statement carries the `export` modifier. */ +function isExported(stmt: ts.Statement): boolean { + return ts.canHaveModifiers(stmt) && (ts.getModifiers(stmt)?.some(m => m.kind === ts.SyntaxKind.ExportKeyword) ?? false) +} + +/** True for a class member a consumer cannot reach: `private`/`protected`/`#name`. */ +function isNonPublic(member: ts.ClassElement): boolean { + const mods = ts.canHaveModifiers(member) ? ts.getModifiers(member) : undefined + return (mods?.some(m => m.kind === ts.SyntaxKind.PrivateKeyword || m.kind === ts.SyntaxKind.ProtectedKeyword) ?? false) + || ('name' in member && ts.isPrivateIdentifier(member.name)) +} + +/** True when a class member carries the `static` modifier. */ +function isStatic(member: ts.ClassElement): boolean { + const mods = ts.canHaveModifiers(member) ? ts.getModifiers(member) : undefined + return mods?.some(m => m.kind === ts.SyntaxKind.StaticKeyword) ?? false +} + +/** The `this`-receiver exemption every function-like check shares. */ +function thisReceiver(p: ts.ParameterDeclaration): boolean { + return ts.isIdentifier(p.name) && p.name.text === 'this' +} + +/** + * Peel wrapper expressions that carry no surface of their own — parentheses, + * `as` / `satisfies` / angle-bracket casts, non-null assertions — so a + * wrapped function expression is still classified as function-like. + * @param e - the expression to unwrap. + * @returns the innermost non-wrapper expression. + */ +function unwrapExpression(e: ts.Expression): ts.Expression { + let inner = e + while ( + ts.isParenthesizedExpression(inner) || ts.isAsExpression(inner) || ts.isSatisfiesExpression(inner) + || ts.isNonNullExpression(inner) || ts.isTypeAssertionExpression(inner) + ) inner = inner.expression + return inner +} + +/** + * Classify a declarator's type annotation for the function contract: an + * inline function type or a type literal that is EXACTLY one call signature + * is the surface signature itself; a literal mixing call/construct + * signatures with anything else cannot be classified syntactically and is + * refused (fail closed — extract a named type); everything else is a plain + * value shape. + * @param type - the declarator's type annotation. + * @returns the signature to check, 'refuse' for an unclassifiable callable literal, or null for a non-callable shape. + */ +function callableAnnotation(type: ts.TypeNode): ts.SignatureDeclarationBase | 'refuse' | null { + if (ts.isFunctionTypeNode(type)) return type + if (!ts.isTypeLiteralNode(type)) return null + const signatures = type.members.filter(m => ts.isCallSignatureDeclaration(m) || ts.isConstructSignatureDeclaration(m)) + if (signatures.length === 0) return null + if (signatures.length === 1 && type.members.length === 1 && signatures[0] !== undefined && ts.isCallSignatureDeclaration(signatures[0])) { + return signatures[0] + } + return 'refuse' +} + +/** + * The heritage-member exemption for one class member. When the member's name + * is declared by an `extends`/`implements` heritage type, the seam declaration + * is the doc's one home (the IDE inherits it on hover) and the member needs no + * doc of its own — EXCEPT where the override grows public surface the base + * never documented: a base member that is protected on every declaration does + * not exempt a public override (consumers could not call it before); + * parameters the base never names keep their own `@param` duty (the caller + * reads the seam doc, which cannot describe them; an underscore-prefixed + * rename of a base parameter — the deliberately-unused marker — is the same + * parameter, not new surface); and a void base return carried no `@returns` + * duty, so an override returning a concrete result documents it itself. + * Static members are looked up on the base CONSTRUCTOR type (only an + * `extends` expression has one; an unresolvable or interface expression + * yields no property and therefore no exemption). + * @param cls - the class whose heritage to search. + * @param name - the member name to look up. + * @param staticSide - whether to search the constructor side instead of the instance side. + * @param checker - the program's type checker. + * @returns null when no exemption applies; otherwise the parameter names the + * base declarations carry (`baseParams: null` when not syntactically + * recoverable — a complex heritage type — exempting all parameters) plus + * whether every recoverable base return annotation is `void`-like + * (`baseVoidReturn: null` when none is recoverable, exempting the result). + */ +function heritageExemption( + cls: ts.ClassDeclaration, + name: string, + staticSide: boolean, + checker: ts.TypeChecker, +): { baseParams: Set<string> | null; baseVoidReturn: boolean | null } | null { + const isProtected = (d: ts.Declaration): boolean => + (ts.canHaveModifiers(d) ? ts.getModifiers(d) : undefined)?.some(m => m.kind === ts.SyntaxKind.ProtectedKeyword) ?? false + for (const clause of cls.heritageClauses ?? []) { + for (const t of clause.types) { + const type = staticSide ? checker.getTypeAtLocation(t.expression) : checker.getTypeAtLocation(t) + const prop = type.getProperty(name) + if (prop === undefined) continue + const decls = prop.declarations ?? [] + if (decls.length > 0 && decls.every(isProtected)) continue // public override of a protected base: new surface + let baseParams: Set<string> | null = null + let baseVoidReturn: boolean | null = null + for (const d of decls) { + let params: readonly ts.ParameterDeclaration[] | undefined + let returnType: ts.TypeNode | undefined + if (ts.isMethodDeclaration(d) || ts.isMethodSignature(d)) { + params = d.parameters + returnType = d.type + } else if ((ts.isPropertySignature(d) || ts.isPropertyDeclaration(d)) && d.type !== undefined && ts.isFunctionTypeNode(d.type)) { + params = d.type.parameters + returnType = d.type.type + } else continue + baseParams ??= new Set() + // Leading underscores are the deliberately-unused marker (eslint + // argsIgnorePattern), not a rename: `_cwd` overriding `cwd` is the + // same parameter, so compare underscore-stripped on both sides. + for (const p of params) if (ts.isIdentifier(p.name)) baseParams.add(p.name.text.replace(/^_+/, '')) + if (returnType !== undefined) { + const voidish = /^(void|Promise<void>)$/.test(returnType.getText(d.getSourceFile()).replace(/\s+/g, ' ')) + baseVoidReturn = (baseVoidReturn ?? true) && voidish + } + } + return { baseParams, baseVoidReturn } + } + } + return null +} + +/** + * True when a method's INFERRED return type is void-like (void, undefined, + * never, or a promise of one) — the one return the walk asks the checker to + * classify: an unannotated override above a void heritage member, where + * demanding an annotation just to prove faithfulness would be boilerplate. + * @param m - a method declaration with no return type annotation. + * @param checker - the program's type checker. + * @returns true when the inferred result carries nothing to document. + */ +function inferredReturnIsVoidish(m: ts.MethodDeclaration, checker: ts.TypeChecker): boolean { + const sig = checker.getSignatureFromDeclaration(m) + if (sig === undefined) return true // no callable signature: nothing classifiable to document + const returned = checker.getReturnTypeOfSignature(sig) + const awaited = checker.getAwaitedType(returned) ?? returned + return (awaited.flags & (ts.TypeFlags.Void | ts.TypeFlags.Undefined | ts.TypeFlags.Never)) !== 0 +} + +/** + * Check description-prose presence for one labeled declaration: JSDoc must + * exist and carry prose above its block tags. + * @param where - the offender label violations open with. + * @param raw - the declaration's raw JSDoc block ('' if none). + * @param w - the walk state violations append to. + */ +function checkDescribed(where: string, raw: string, w: Walk): void { + if (!raw) w.violations.push(`${where} has no JSDoc.`) + else if (!parseJsDoc(raw).doc) w.violations.push(`${where} has no description prose above its block tags.`) +} + +/** + * Check the full function contract for one labeled function-like declaration: + * description prose, `@param` per parameter, `@returns` on a non-void result. + * @param where - the offender label violations open with. + * @param raw - the declaration's raw JSDoc block ('' if none). + * @param parameters - the declaration's parameter list. + * @param returnType - the return type annotation, or undefined when inferred. + * @param returnsWaived - suppress the `@returns`/annotation requirement (a + * declarator-annotated const defers its return contract to the named type). + * @param w - the walk state violations append to. + */ +function checkFunctionLike( + where: string, + raw: string, + parameters: readonly ts.ParameterDeclaration[], + returnType: ts.TypeNode | undefined, + returnsWaived: boolean, + w: Walk, +): void { + if (!raw) { w.violations.push(`${where} has no JSDoc.`); return } + if (!parseJsDoc(raw).doc) w.violations.push(`${where} has no description prose above its block tags.`) + const { params, returns } = parseTags(raw) + checkParams(where, 'export', parameters, params, w.sf, thisReceiver, w.violations) + if (!returnsWaived) checkReturns(where, returnType, returns, w.sf, w.violations) +} + +/** + * Check one exported class: class-level prose, the function contract on every + * public method (overload implementations exempt), and description prose on + * public properties and accessors (a get/set pair is covered by the getter's + * doc). Heritage-declared members are exempt per heritageExemption (an + * override's extra parameters keep their @param duty); plugin-protocol + * statics are exempt; constructors are not checked (framework-constructed + * plugins, and the class doc owns the story). + * @param cls - the exported class declaration. + * @param name - the class's surface name (namespace-qualified). + * @param w - the walk state violations append to. + */ +function checkClass(cls: ts.ClassDeclaration, name: string, w: Walk): void { + checkDescribed(`exported class '${name}' (${pointer(w.rel, w.sf, cls)})`, rawJsDoc(w.text, cls), w) + const overloadSigs = new Set<string>() + const documentedGetters = new Set<string>() + for (const m of cls.members) { + if ('name' in m && ts.isComputedPropertyName(m.name)) continue + if (ts.isMethodDeclaration(m) && !m.body) overloadSigs.add(m.name.getText(w.sf)) + if (ts.isGetAccessorDeclaration(m)) documentedGetters.add(m.name.getText(w.sf)) + } + for (const m of cls.members) { + if (isNonPublic(m) || ts.isConstructorDeclaration(m)) continue + if (!('name' in m) || ts.isComputedPropertyName(m.name)) continue // computed/symbol members + const mname = m.name.getText(w.sf) + if (isStatic(m) && PROTOCOL_STATICS.has(mname)) continue // cordis plugin-protocol slot + const exemption = heritageExemption(cls, mname, isStatic(m), w.checker) + if (ts.isMethodDeclaration(m)) { + if (m.body && overloadSigs.has(mname)) continue // overload implementation: the signatures carry the docs + const where = `exported class method '${name}.${mname}' (${pointer(w.rel, w.sf, m)})` + if (exemption !== null) { + const raw = rawJsDoc(w.text, m) + // The heritage declaration owns the prose; parameters the base never + // names — including binding patterns, which no base declaration can + // name — are new surface and keep their @param duty. + const base = exemption.baseParams + const inBase = (p: ts.ParameterDeclaration): boolean => + base !== null && ts.isIdentifier(p.name) && base.has(p.name.text.replace(/^_+/, '')) + if (base !== null && m.parameters.some(p => !thisReceiver(p) && !inBase(p))) { + checkParams(where, 'export', m.parameters, parseTags(raw).params, w.sf, + p => thisReceiver(p) || inBase(p), w.violations) + } + // A void base return carried no @returns duty, so an override growing + // a concrete result documents it itself. An annotated override runs + // the standard check; an inferred one is classified by the checker + // (this branch is already the checker's domain), so a faithful void + // override stays exempt without a boilerplate annotation. + if (exemption.baseVoidReturn === true) { + if (m.type !== undefined) { + checkReturns(where, m.type, parseTags(raw).returns, w.sf, w.violations) + } else if (!inferredReturnIsVoidish(m, w.checker)) { + w.violations.push(`${where} returns a non-void result its heritage declaration does not document; annotate the return type and add @returns.`) + } + } + continue + } + checkFunctionLike(where, rawJsDoc(w.text, m), m.parameters, m.type, false, w) + } else if (exemption !== null) { + continue // the heritage declaration owns the doc (properties/accessors carry no own parameters) + } else if (ts.isGetAccessorDeclaration(m) || ts.isPropertyDeclaration(m)) { + const kind = ts.isPropertyDeclaration(m) ? 'property' : 'accessor' + checkDescribed(`exported class ${kind} '${name}.${mname}' (${pointer(w.rel, w.sf, m)})`, rawJsDoc(w.text, m), w) + } else if (ts.isSetAccessorDeclaration(m) && !documentedGetters.has(mname)) { + checkDescribed(`exported class accessor '${name}.${mname}' (${pointer(w.rel, w.sf, m)})`, rawJsDoc(w.text, m), w) + } + // index signatures / static blocks: not named surface + } +} + +/** + * Check one exported declaration statement, dispatching on its kind. Any + * exported statement kind the dispatch does not recognize is a violation + * (fail closed), so no export form can pass unchecked by omission. + * @param stmt - the exported statement (export modifier or export-list target). + * @param prefix - the namespace qualification for surface names ('' at top level). + * @param overloadSigs - names in this scope declared as bodyless function overload signatures. + * @param byName - this scope's named declarations (for namespace/sibling-merge lookups). + * @param ambient - whether the enclosing scope is ambient (`declare`), where members export implicitly. + * @param w - the walk state violations append to. + * @param only - for a multi-declarator variable statement reached through an + * export list (or a default-export identifier), the declarator names that + * are actually exported; `null` means the whole statement is surface + * (direct `export` modifier or ambient scope). Non-variable statements + * declare exactly one name, so the filter never applies to them. + */ +function checkDecl( + stmt: ts.Statement, + prefix: string, + overloadSigs: Set<string>, + byName: Map<string, ts.Statement[]>, + ambient: boolean, + w: Walk, + only: ReadonlySet<string> | null = null, +): void { + const at = (n: ts.Node): string => ` (${pointer(w.rel, w.sf, n)})` + if (ts.isFunctionDeclaration(stmt)) { + const name = stmt.name?.text ?? 'default' + if (prefix === '' && PROTOCOL_EXPORTS.has(name)) return // cordis plugin-protocol slot + if (stmt.body && overloadSigs.has(name)) return // overload implementation: the signatures carry the docs + checkFunctionLike(`exported function '${prefix}${name}'${at(stmt)}`, rawJsDoc(w.text, stmt), + stmt.parameters, stmt.type, false, w) + return + } + if (ts.isClassDeclaration(stmt)) { + checkClass(stmt, `${prefix}${stmt.name?.text ?? 'default'}`, w) + return + } + if (ts.isInterfaceDeclaration(stmt)) { + checkDescribed(`exported interface '${prefix}${stmt.name.text}'${at(stmt)}`, rawJsDoc(w.text, stmt), w) + return + } + if (ts.isTypeAliasDeclaration(stmt)) { + checkDescribed(`exported type '${prefix}${stmt.name.text}'${at(stmt)}`, rawJsDoc(w.text, stmt), w) + return + } + if (ts.isEnumDeclaration(stmt)) { + checkDescribed(`exported enum '${prefix}${stmt.name.text}'${at(stmt)}`, rawJsDoc(w.text, stmt), w) + return + } + if (ts.isVariableStatement(stmt)) { + const raw = rawJsDoc(w.text, stmt) // JSDoc sits on the statement, not the declarator + for (const d of stmt.declarationList.declarations) { + const name = ts.isIdentifier(d.name) ? d.name.text : d.name.getText(w.sf) + if (only !== null && !only.has(name)) continue // sibling declarator the export list never named: not surface + if (prefix === '' && PROTOCOL_EXPORTS.has(name)) continue // cordis plugin-protocol slot + const where = `exported const '${prefix}${name}'${at(d)}` + const annotation = d.type !== undefined ? callableAnnotation(d.type) : null + const init = d.initializer !== undefined ? unwrapExpression(d.initializer) : undefined + if (annotation === 'refuse') { + // A literal mixing call/construct signatures with other members (or + // overloading them) has no single signature the walk can hold the + // tags against — fail closed rather than silently narrow the check. + w.violations.push(`${where}: its callable type literal is not gate-classifiable; extract a named type and document it there.`) + } else if (annotation !== null) { + // An INLINE callable annotation is the surface signature itself: its + // parameters and result need docs right here. (A NAMED reference + // type carries its docs at the type's own declaration instead.) + checkFunctionLike(where, raw, annotation.parameters, annotation.type, false, w) + } else if (init !== undefined && (ts.isArrowFunction(init) || ts.isFunctionExpression(init))) { + // A named declarator type annotation (`const f: Handler = …`) hands + // the return contract to the named type; the arrow's own annotation is + // still checked when it is the only signature the reader has. + checkFunctionLike(where, raw, init.parameters, init.type, init.type === undefined && d.type !== undefined, w) + } else { + checkDescribed(where, raw, w) + } + } + return + } + if (ts.isModuleDeclaration(stmt) && ts.isIdentifier(stmt.name)) { + // A namespace merging with a documented same-name sibling (the + // Config-namespace idiom) needs no second doc block of its own. + const siblings = (byName.get(stmt.name.text) ?? []).filter(s => s !== stmt) + const merged = siblings.some(s => parseJsDoc(rawJsDoc(w.text, s)).doc !== '') + if (!merged) checkDescribed(`exported namespace '${prefix}${stmt.name.text}'${at(stmt)}`, rawJsDoc(w.text, stmt), w) + let body = stmt.body + let nsPrefix = `${prefix}${stmt.name.text}.` + while (body !== undefined && ts.isModuleDeclaration(body)) { // dotted `namespace A.B` + nsPrefix += `${body.name.getText(w.sf)}.` + body = body.body + } + // In an ambient (`declare`) namespace body, members are implicitly + // exported — no `export` modifier required — so the recursion must treat + // every statement as surface. + const declared = ambient + || ((ts.canHaveModifiers(stmt) ? ts.getModifiers(stmt) : undefined)?.some(m => m.kind === ts.SyntaxKind.DeclareKeyword) ?? false) + if (body !== undefined && ts.isModuleBlock(body)) checkScope(body.statements, nsPrefix, w, declared) + return + } + if (ts.isImportEqualsDeclaration(stmt)) { + const where = `exported alias '${prefix}${stmt.name.text}'${at(stmt)}` + // An alias is a distinct exported name whose target may be a non-exported + // namespace member no walk ever visits, so it documents ITSELF — which + // matches the gate's strength only for prose-only target kinds. A + // callable, class, or namespace target carries signature or member + // contracts the alias prose cannot hold: refuse those (fail closed) and + // demand the declaration be exported directly. An unresolvable target is + // refused for the same reason. + const sym = w.checker.getSymbolAtLocation(stmt.name) + const target = sym !== undefined && (sym.flags & ts.SymbolFlags.Alias) !== 0 ? w.checker.getAliasedSymbol(sym) : sym + const RICH_TARGETS = ts.SymbolFlags.Function | ts.SymbolFlags.Class | ts.SymbolFlags.ValueModule | ts.SymbolFlags.NamespaceModule + const rich = target === undefined + || (target.flags & RICH_TARGETS) !== 0 + || w.checker.getTypeOfSymbol(target).getCallSignatures().length > 0 + if (rich) { + w.violations.push(`${where} aliases a callable, class, or namespace target whose signature/member contract the alias cannot carry; export the declaration directly instead.`) + return + } + checkDescribed(where, rawJsDoc(w.text, stmt), w) + return + } + // Fail CLOSED: an exported statement kind this dispatch does not recognize + // must never pass silently — the gate's whole promise is that unchecked + // surface cannot exist. New TypeScript export forms extend the gate here. + w.violations.push(`exported statement${at(stmt)} uses an export form verify-export-jsdoc does not handle; extend the gate.`) +} + +/** + * Walk one lexical scope (file top level or a namespace body): check every + * exported declaration, resolving `export { … }` lists (no module specifier) + * to their local declarations. + * @param statements - the scope's statements. + * @param prefix - the namespace qualification for surface names ('' at top level). + * @param w - the walk state violations append to. + * @param ambient - whether this scope is ambient (`declare` namespace or a declaration file), where members export implicitly. + */ +function checkScope(statements: readonly ts.Statement[], prefix: string, w: Walk, ambient: boolean): void { + const byName = new Map<string, ts.Statement[]>() + const overloadSigs = new Set<string>() + const add = (name: string, stmt: ts.Statement): void => { + byName.set(name, [...(byName.get(name) ?? []), stmt]) + } + for (const stmt of statements) { + if (ts.isFunctionDeclaration(stmt)) { + if (stmt.name) add(stmt.name.text, stmt) + if (!stmt.body && stmt.name) overloadSigs.add(stmt.name.text) + } else if (ts.isClassDeclaration(stmt) || ts.isInterfaceDeclaration(stmt) + || ts.isTypeAliasDeclaration(stmt) || ts.isEnumDeclaration(stmt)) { + if (stmt.name) add(stmt.name.text, stmt) + } else if (ts.isModuleDeclaration(stmt) && ts.isIdentifier(stmt.name)) { + add(stmt.name.text, stmt) + } else if (ts.isVariableStatement(stmt)) { + for (const d of stmt.declarationList.declarations) { + if (ts.isIdentifier(d.name)) add(d.name.text, stmt) + } + } + } + // Two-phase dispatch. Phase one accumulates WHICH statements are surface + // and, for a variable statement reached by name (an export list or a + // default-export identifier), which of its declarators the exports actually + // name — `null` marks the whole statement as surface (a direct `export` + // modifier, or an ambient scope). Requests for the same statement merge: + // `null` absorbs any name set, and name sets union, so + // `export { a }; export { b }` over one `const a = …, b = …` checks both + // declarators while a never-exported sibling stays out of the surface. + // Phase two runs each surfaced statement exactly once. (Checking a + // statement eagerly per request would either re-check on the second list or + // — deduplicated — silently drop the second list's declarators.) + const requested = new Map<ts.Statement, Set<string> | null>() + const request = (stmt: ts.Statement, name: string | null): void => { + const prior = requested.get(stmt) + if (name === null || prior === null) { + requested.set(stmt, null) + return + } + requested.set(stmt, prior === undefined ? new Set([name]) : prior.add(name)) + } + for (const stmt of statements) { + if (ts.isModuleDeclaration(stmt) + && (ts.isStringLiteral(stmt.name) || (stmt.flags & ts.NodeFlags.GlobalAugmentation) !== 0)) { + continue // `declare module '…'` / `declare global` augmentation: not an export of this package + } + if (ts.isExportDeclaration(stmt)) { + if (stmt.moduleSpecifier) continue // re-export: the defining module is walked on its own + if (stmt.exportClause && ts.isNamedExports(stmt.exportClause)) { + for (const el of stmt.exportClause.elements) { + const local = (el.propertyName ?? el.name).text + for (const decl of byName.get(local) ?? []) request(decl, local) + // a name with no local declaration is an imported binding re-exported + // without a specifier — its defining module is walked on its own + } + } + continue + } + if (ts.isExportAssignment(stmt)) { + if (stmt.isExportEquals) { + // `export =` has no ESM consumer surface in this repo and the walk + // cannot classify its operand's shape; refuse rather than fail open. + w.violations.push(`export-equals assignment (${pointer(w.rel, w.sf, stmt)}) is not a gate-supported export form; use ESM named exports.`) + continue + } + const where = `default export (${pointer(w.rel, w.sf, stmt)})` + const expr = unwrapExpression(stmt.expression) + if (ts.isIdentifier(expr)) { + for (const decl of byName.get(expr.text) ?? []) request(decl, expr.text) + } else if (ts.isArrowFunction(expr) || ts.isFunctionExpression(expr)) { + checkFunctionLike(where, rawJsDoc(w.text, stmt), expr.parameters, expr.type, false, w) + } else { + checkDescribed(where, rawJsDoc(w.text, stmt), w) + } + continue + } + if (isExported(stmt) || (ambient && !ts.isImportDeclaration(stmt))) request(stmt, null) + } + for (const stmt of statements) { + const only = requested.get(stmt) + if (only !== undefined) checkDecl(stmt, prefix, overloadSigs, byName, ambient, w, only) + } +} + +/** + * Compiler options for the walk's program. The real repo hands over its + * tsconfig.base.json (whose `paths` map resolves cross-package imports to + * source, so heritage-member lookups see seam types); a fixture root without + * one gets `noLib` + no `@types` — fixtures are single-file and + * self-contained, nothing in the walk resolves a lib symbol, and default-lib + * parsing is ~99% of per-program cost (it made the fixture spec time out + * under CI coverage instrumentation). Emit-side options are stripped: the + * walk never emits or asks for diagnostics, it only binds types on demand. + * @param scanRoot - the root being scanned. + * @returns compiler options for ts.createProgram. + */ +function loadCompilerOptions(scanRoot: string): ts.CompilerOptions { + const cfgPath = resolve(scanRoot, 'tsconfig.base.json') + if (!existsSync(cfgPath)) return { skipLibCheck: true, noLib: true, types: [] } + const cfg = ts.readConfigFile(cfgPath, ts.sys.readFile.bind(ts.sys)) as { config?: unknown } + const parsed = ts.parseJsonConfigFileContent(cfg.config ?? {}, ts.sys, scanRoot) + return { + ...parsed.options, + noEmit: true, + composite: false, + declaration: false, + declarationMap: false, + sourceMap: false, + incremental: false, + } +} + +/** + * Walk every non-vendored package source file and collect JSDoc-completeness + * violations for its module-level exports. Returns findings instead of + * throwing so tests assert on the list; the CLI entry turns a non-empty list + * into exit 1. + * @param scanRoot - the repo root to scan; tests pass a fixture dir. + * @returns every violation, in file order, one human-readable line each. + */ +export function collectExportJsdocViolations(scanRoot: string = root): string[] { + const violations: string[] = [] + const rels = globSync('packages/*/*/src/**/*.ts', { cwd: scanRoot }).sort() + const program = ts.createProgram(rels.map(rel => resolve(scanRoot, rel)), loadCompilerOptions(scanRoot)) + const checker = program.getTypeChecker() + for (const rel of rels) { + const sf = program.getSourceFile(resolve(scanRoot, rel)) + if (!sf) continue // program root files always resolve; guard for narrowing + // A script-style declaration file (no imports/exports) is one big ambient + // scope; a module-style .d.ts still honors explicit export modifiers. + checkScope(sf.statements, '', { rel, sf, text: sf.text, checker, violations }, sf.isDeclarationFile && !ts.isExternalModule(sf)) + } + return violations +} + +/** CLI entry: list every violation and exit 1, or confirm a clean surface. */ +function main(): void { + const violations = collectExportJsdocViolations() + if (violations.length === 0) { + console.log('verify-export-jsdoc: every exported name on the package surface is documented.') + return + } + console.error(`verify-export-jsdoc: ${violations.length} JSDoc completeness violation(s) (see AGENTS.md):`) + for (const v of violations) console.error(` ${v}`) + process.exit(1) +} + +// Run only when invoked as a script, not when imported by a test. +if (process.argv[1] && import.meta.filename === resolve(process.argv[1])) { + main() +} diff --git a/scripts/verify-md-links.ts b/scripts/verify-md-links.ts index 2a96cfd0af..d3e80e285e 100644 --- a/scripts/verify-md-links.ts +++ b/scripts/verify-md-links.ts @@ -32,9 +32,8 @@ * Run: `tsx scripts/verify-md-links.ts`. */ -import { existsSync, readFileSync, realpathSync } from 'node:fs' +import { existsSync, globSync, readFileSync, realpathSync } from 'node:fs' import { dirname, relative, resolve } from 'node:path' -import { glob } from 'node:fs/promises' import { fromMarkdown } from 'mdast-util-from-markdown' import { gfmFromMarkdown } from 'mdast-util-gfm' import { gfm } from 'micromark-extension-gfm' @@ -134,7 +133,7 @@ const seen = new Set<string>() const all: Violation[] = [] let checked = 0 for (const pattern of PATTERNS) { - for await (const match of glob(pattern, { cwd: root })) { + for (const match of globSync(pattern, { cwd: root })) { const abs = resolve(root, match) // CLAUDE.md symlinks resolve onto AGENTS.md; dedupe by real path so a file // matched twice (or via symlink) is checked once. diff --git a/scripts/verify-md-wrap.ts b/scripts/verify-md-wrap.ts index 3ffad3be43..3143ee5617 100644 --- a/scripts/verify-md-wrap.ts +++ b/scripts/verify-md-wrap.ts @@ -18,16 +18,17 @@ * A wrapped paragraph inside a list item or blockquote is still a `paragraph` * node, so those are caught too. Scope mirrors doc-typecheck plus the two * AGENTS.md files that doc-sync does NOT otherwise cover (the convention itself - * lives there): README.md, docs/** /*.md, packages/* /*.md, AGENTS.md, - * packages/AGENTS.md. The root and packages/ CLAUDE.md are symlinks to the - * AGENTS.md files, so they are deduped by real path. + * lives there), plus generated system-prompt Markdown goldens: README.md, + * docs/** /*.md, packages/* /*.md, examples/** /system-prompt.golden.md, + * packages/** /system-prompt.golden.md, AGENTS.md, packages/AGENTS.md. The root + * and packages/ CLAUDE.md are symlinks to the AGENTS.md files, so they are + * deduped by real path. * * Run: `tsx scripts/verify-md-wrap.ts`. */ -import { readFileSync, realpathSync } from 'node:fs' +import { globSync, readFileSync, realpathSync } from 'node:fs' import { relative, resolve } from 'node:path' -import { glob } from 'node:fs/promises' import { fromMarkdown } from 'mdast-util-from-markdown' import { gfmFromMarkdown } from 'mdast-util-gfm' import { gfm } from 'micromark-extension-gfm' @@ -35,8 +36,18 @@ import type { Nodes } from 'mdast' const root = resolve(import.meta.dirname, '..') -/** Files to check: doc-typecheck's scope plus the AGENTS.md pair. */ -const PATTERNS = ['README.md', 'README.zh.md', 'docs/**/*.md', 'packages/*/*.md', 'packages/*/*/*.md', 'AGENTS.md', 'packages/AGENTS.md'] +/** Files to check: doc-typecheck's scope, prompt goldens, and the AGENTS.md pair. */ +const PATTERNS = [ + 'README.md', + 'README.zh.md', + 'docs/**/*.md', + 'packages/*/*.md', + 'packages/*/*/*.md', + 'examples/**/system-prompt.golden.md', + 'packages/**/system-prompt.golden.md', + 'AGENTS.md', + 'packages/AGENTS.md', +] /** A located hard-wrap: a prose paragraph spanning more than one source line. */ interface Violation { @@ -76,7 +87,7 @@ const seen = new Set<string>() const all: Violation[] = [] let checked = 0 for (const pattern of PATTERNS) { - for await (const match of glob(pattern, { cwd: root })) { + for (const match of globSync(pattern, { cwd: root })) { const abs = resolve(root, match) // CLAUDE.md symlinks resolve onto AGENTS.md; dedupe by real path so a file // matched twice (or via symlink) is checked once. diff --git a/scripts/verify-mermaid.ts b/scripts/verify-mermaid.ts new file mode 100644 index 0000000000..3f9af495b3 --- /dev/null +++ b/scripts/verify-mermaid.ts @@ -0,0 +1,107 @@ +/** + * Doc-sync gate: verify every fenced ```mermaid block parses with Mermaid's + * own parser. Markdown link/type/code gates can say a diagram block exists and + * is linked, but only Mermaid can catch syntax errors that GitHub would fail to + * render. + * + * Scope matches the Markdown link gate so any Mermaid diagram in repo-authored + * docs is checked: README.md, README.zh.md, docs/** /*.md, + * packages/* /*.md, packages/* /* /*.md, examples/** /*.md, AGENTS.md, + * packages/AGENTS.md, and .agents/skills/** /*.md. + * + * Run: `tsx scripts/verify-mermaid.ts`. + */ + +import { globSync, readFileSync, realpathSync } from 'node:fs' +import { resolve } from 'node:path' +import { fromMarkdown } from 'mdast-util-from-markdown' +import { gfmFromMarkdown } from 'mdast-util-gfm' +import { gfm } from 'micromark-extension-gfm' +import { JSDOM } from 'jsdom' +import type { Nodes } from 'mdast' + +const root = resolve(import.meta.dirname, '..') + +const PATTERNS = [ + 'README.md', + 'README.zh.md', + 'docs/**/*.md', + 'packages/*/*.md', + 'packages/*/*/*.md', + 'examples/**/*.md', + 'AGENTS.md', + 'packages/AGENTS.md', + '.agents/skills/**/*.md', +] + +interface Block { + file: string + line: number + source: string +} + +interface Violation { + file: string + line: number + message: string +} + +function extractMermaidBlocks(file: string): Block[] { + const source = readFileSync(resolve(root, file), 'utf8') + const tree = fromMarkdown(source, { extensions: [gfm()], mdastExtensions: [gfmFromMarkdown()] }) + const out: Block[] = [] + const visit = (node: Nodes): void => { + if (node.type === 'code' && node.lang === 'mermaid') { + out.push({ file, line: node.position?.start.line ?? 0, source: node.value }) + } + if ('children' in node) { + for (const child of node.children) visit(child) + } + } + visit(tree) + return out +} + +function formatError(error: unknown): string { + if (error instanceof Error) return error.message.replace(/\s+/g, ' ').trim() + return String(error).replace(/\s+/g, ' ').trim() +} + +const blocks: Block[] = [] +const seen = new Set<string>() +let checkedFiles = 0 +for (const pattern of PATTERNS) { + for (const match of globSync(pattern, { cwd: root })) { + const real = realpathSync(resolve(root, match)) + if (seen.has(real)) continue + seen.add(real) + checkedFiles++ + blocks.push(...extractMermaidBlocks(match)) + } +} + +const violations: Violation[] = [] +const { window } = new JSDOM('') +Object.defineProperty(globalThis, 'window', { value: window }) +Object.defineProperty(globalThis, 'document', { value: window.document }) +Object.defineProperty(globalThis, 'navigator', { value: window.navigator }) +const mermaid = (await import('mermaid')).default +mermaid.initialize({ startOnLoad: false }) +for (const block of blocks) { + try { + await mermaid.parse(block.source, { suppressErrors: false }) + } catch (error: unknown) { + violations.push({ file: block.file, line: block.line, message: formatError(error) }) + } +} + +if (violations.length === 0) { + console.log(`verify-mermaid: ${blocks.length} mermaid block(s) parsed across ${checkedFiles} file(s).`) + process.exit(0) +} + +console.error('verify-mermaid: Mermaid syntax errors found:') +for (const violation of violations) { + console.error(` ${violation.file}:${violation.line} ${violation.message}`) +} +process.exit(1) diff --git a/scripts/verify-package-paths.ts b/scripts/verify-package-paths.ts index 7bec754dba..5d2d91982b 100644 --- a/scripts/verify-package-paths.ts +++ b/scripts/verify-package-paths.ts @@ -39,9 +39,8 @@ * Run: `tsx scripts/verify-package-paths.ts`. */ -import { existsSync, readdirSync, readFileSync, realpathSync } from 'node:fs' +import { existsSync, globSync, readdirSync, readFileSync, realpathSync } from 'node:fs' import { relative, resolve } from 'node:path' -import { glob } from 'node:fs/promises' const root = resolve(import.meta.dirname, '..') @@ -144,7 +143,7 @@ const all: Violation[] = [] let checked = 0 const seen = new Set<string>() for (const pattern of PATTERNS) { - for await (const match of glob(pattern, { cwd: root })) { + for (const match of globSync(pattern, { cwd: root })) { if (isExcluded(match)) continue // Dedup by real path: the root/packages CLAUDE.md are symlinks to AGENTS.md. const real = realpathSync(resolve(root, match)) diff --git a/scripts/verify-rfc-classification.ts b/scripts/verify-rfc-classification.ts index 4ff4264731..2e270c17f8 100644 --- a/scripts/verify-rfc-classification.ts +++ b/scripts/verify-rfc-classification.ts @@ -1,158 +1,57 @@ /** * Doc-sync gate: enforce the RFC classification scheme - * ([the classification RFC](../docs/rfc/implemented/process/2026-06-20-rfc-classification.md)). + * ([the classification RFC](../docs/rfc/implemented/process/2026-06-20-rfc-classification.md)) + * and the freshness of the generated index + * ([the index-generation RFC](../docs/rfc/implemented/process/2026-07-04-generate-rfc-index-tables.md)). * Every RFC is filed at `docs/rfc/{lifecycle}/{class}/yyyy-mm-dd-topic.md`; the * folder IS the label. This gate is the machine source of truth for the closed - * class set and keeps the README index honest. + * class set and keeps the generated index honest. * - * Two checks: + * Three checks (all against [rfc-index.ts](./rfc-index.ts), the shared walker + * and renderer): * * 1. STRUCTURE — every `.md` under a lifecycle folder lives in a class folder - * from CLASSES, named `yyyy-mm-dd-*.md`. A loose `.md` directly under a - * lifecycle root (other than the README/AGENTS allowlist) fails; an unknown - * class folder fails; a stray file at an unexpected depth fails. This is what - * makes the set CLOSED: a new class folder can't appear without amending - * CLASSES here (and the README's Classification section, per the RFC). - * - * 2. COMPLETENESS — `docs/rfc/README.md` lists every RFC exactly once, under the - * `### {Class}` heading inside the `## {Lifecycle}` section that matches the - * file's path. A missing entry, a duplicate, or an entry under the wrong - * heading fails. This mirrors `verify-event-taxonomy`: a curated doc table - * checked against the on-disk source of truth, so the index can't drift. - * - * The class DESCRIPTIONS in the README prose are not checked (they are - * explanatory text); only the per-class index tables are. This is checker, not - * fixer: it reports and never rewrites. + * from CLASSES, is named `yyyy-mm-dd-*.md`, and opens with a parseable H1. + * A loose `.md` directly under a lifecycle root (other than the + * README/AGENTS allowlist) fails; an unknown class folder fails; a stray + * file at an unexpected depth fails. This is what makes the set CLOSED: a + * new class folder can't appear without amending CLASSES (and the README's + * Classification section, per the RFC). + * 2. FRESHNESS — the committed `docs/rfc/INDEX.md` byte-matches a fresh render + * from the tree, so every RFC is listed exactly once, under the heading + * matching its path, with its H1 title and filename date. The fix for a + * stale index is `pnpm run gen-rfc-index`, never a hand edit. This is + * checker, not fixer: it reports and never rewrites. + * 3. NO STRAY ROWS — `docs/rfc/README.md` (the curated front door) carries no + * index-shaped table rows; the list lives only in the generated INDEX.md. * * Run: `tsx scripts/verify-rfc-classification.ts`. */ import { readFileSync } from 'node:fs' -import { relative, resolve } from 'node:path' -import { glob } from 'node:fs/promises' +import { resolve } from 'node:path' +import { INDEX_ROW, renderIndex, rfcRoot, walkRfcTree } from './rfc-index.ts' -const root = resolve(import.meta.dirname, '..') -const rfcRoot = resolve(root, 'docs/rfc') +const { rfcs, errors } = walkRfcTree() -/** The closed set of RFC lifecycles (top-level folders under docs/rfc/). */ -const LIFECYCLES = ['proposed', 'implemented', 'rejected'] as const - -/** - * The closed set of RFC classes (nested folder under each lifecycle). Adding a - * class is a deliberate act: extend this list AND the README's Classification - * section. The gate rejects any folder not listed here. - */ -const CLASSES = ['feature', 'bug-fix', 'simplification', 'architecture', 'process', 'testing'] as const - -/** Non-RFC Markdown allowed to sit directly at a lifecycle root. */ -const ROOT_ALLOWLIST = new Set(['AGENTS.md', 'CLAUDE.md']) - -/** Title-case a class/lifecycle folder name for README heading comparison. */ -const heading = (s: string): string => s.charAt(0).toUpperCase() + s.slice(1) - -const errors: string[] = [] - -// --- Check 1: structure ----------------------------------------------------- -// Every Markdown file anywhere under a lifecycle folder, at any depth. -interface Rfc { - lifecycle: string - cls: string - base: string - /** Path relative to docs/rfc, for the README link check. */ - rel: string -} -const rfcs: Rfc[] = [] - -for (const lifecycle of LIFECYCLES) { - for await (const match of glob(`${lifecycle}/**/*.md`, { cwd: rfcRoot })) { - const segs = match.split('/') - // Allowlisted file directly at the lifecycle root (e.g. implemented/AGENTS.md). - if (segs.length === 2 && ROOT_ALLOWLIST.has(segs[1] ?? '')) continue - // A Chinese counterpart (foo.zh.md, docs/i18n/README.md) is the SAME RFC, - // indexed via its English filename; the pairing gate owns its consistency. - if (match.endsWith('.zh.md')) continue - const cls = segs[1] - const base = segs[2] - if (segs.length !== 3 || cls === undefined || base === undefined) { - errors.push(`structure: ${match} — expected {lifecycle}/{class}/file.md (got depth ${segs.length})`) - continue - } - if (!(CLASSES as readonly string[]).includes(cls)) { - errors.push(`structure: ${match} — unknown class folder "${cls}" (allowed: ${CLASSES.join(', ')})`) - continue - } - if (!/^\d{4}-\d{2}-\d{2}-.+\.md$/.test(base)) { - errors.push(`structure: ${match} — filename must be yyyy-mm-dd-topic.md`) - continue - } - rfcs.push({ lifecycle, cls, base, rel: match }) +if (errors.length === 0) { + let index: string | undefined + try { + index = readFileSync(resolve(rfcRoot, 'INDEX.md'), 'utf8') + } catch { + // A missing INDEX.md is reported below as staleness, exactly like a drifted one. } -} - -// --- Check 2: README completeness ------------------------------------------- -// Parse the index into (lifecycle, class) -> set of linked rel paths, by -// tracking the current `## {Lifecycle}` and `### {Class}` headings and reading -// every `](path)` link target underneath. A link target is normalized to its -// path relative to docs/rfc. -const readmePath = resolve(rfcRoot, 'README.md') -const readme = readFileSync(readmePath, 'utf8') -const lifecycleByHeading = new Map(LIFECYCLES.map((l): [string, string] => [heading(l), l])) -const classByHeading = new Map(CLASSES.map((c): [string, string] => [heading(c), c])) - -/** README-listed RFC link targets, keyed `lifecycle/class` -> set of rel paths. */ -const listed = new Map<string, Set<string>>() -let curLifecycle: string | null = null -let curClass: string | null = null - -for (const line of readme.split('\n')) { - const h2 = /^##\s+(.+?)\s*$/.exec(line) - if (h2?.[1] !== undefined) { - curLifecycle = lifecycleByHeading.get(h2[1].trim()) ?? null - curClass = null - continue + if (renderIndex(rfcs) !== index) { + errors.push('index: docs/rfc/INDEX.md is stale or missing — run `pnpm run gen-rfc-index` and commit the result') } - const h3 = /^###\s+(.+?)\s*$/.exec(line) - if (h3?.[1] !== undefined) { - curClass = classByHeading.get(h3[1].trim()) ?? null - continue - } - if (!curLifecycle || !curClass) continue - // Collect every relative .md link target on this line. - for (const m of line.matchAll(/\]\(([^)]+\.md)[^)]*\)/g)) { - const target = m[1] - if (target === undefined) continue - // README links are relative to docs/rfc; normalize and key by location. - const rel = relative(rfcRoot, resolve(rfcRoot, target)) - const key = `${curLifecycle}/${curClass}` - const set = listed.get(key) ?? new Set<string>() - set.add(rel) - listed.set(key, set) - } -} - -// Every on-disk RFC must be listed under the heading matching its path. -const seenOnDisk = new Set<string>() -for (const rfc of rfcs) { - seenOnDisk.add(rfc.rel) - const key = `${rfc.lifecycle}/${rfc.cls}` - if (!listed.get(key)?.has(rfc.rel)) { - errors.push( - `index: ${rfc.rel} is not listed in README under "## ${heading(rfc.lifecycle)}" → "### ${heading(rfc.cls)}"`, - ) - } -} - -// Every README entry must point at a real RFC under that same heading (catches a -// misfiled or stale row). -for (const [key, targets] of listed) { - for (const rel of targets) { - if (!seenOnDisk.has(rel)) { - errors.push(`index: README lists "${rel}" under "${key}", but no such RFC exists`) + const readme = readFileSync(resolve(rfcRoot, 'README.md'), 'utf8') + for (const line of readme.split('\n')) { + if (INDEX_ROW.test(line)) { + errors.push(`readme: index-shaped row in the curated README (the list lives in INDEX.md): ${JSON.stringify(line.slice(0, 80))}`) } } } -// --- Report ----------------------------------------------------------------- if (errors.length === 0) { console.log(`verify-rfc-classification: ${rfcs.length} RFC(s) checked, structure and index consistent.`) process.exit(0) diff --git a/scripts/verify-rfc-format.ts b/scripts/verify-rfc-format.ts new file mode 100644 index 0000000000..99347e4764 --- /dev/null +++ b/scripts/verify-rfc-format.ts @@ -0,0 +1,119 @@ +/** + * Doc-sync gate: enforce the RFC in-file format + * ([README.md § The file format](../docs/rfc/README.md), the contract; rationale in + * [the uniform-format RFC](../docs/rfc/implemented/process/2026-07-05-uniform-rfc-format.md)). + * The classification gate owns WHERE a file sits and how it is named; this gate + * owns what is INSIDE: the header block, the per-lifecycle body skeleton, and + * the Alternatives-considered mandate. + * + * Per English RFC (`.zh.md` counterparts are the pairing gate's concern): + * + * 1. HEADER — line 1 is `# RFC: <title>`, line 2 blank, line 3 the one + * `Status:` line in the file, line 4 blank. The status is the dateless enum + * matching the lifecycle folder: `Status: proposed`, `Status: implemented`, + * or `Status: rejected — <reason>`. + * 2. SKELETON — the first `##` section is `## Problem`; the lifecycle's + * required sections are present under their canonical names (`proposed/`: + * Proposal, Acceptance criteria, Risks; `implemented/`: Decision, + * Consequences; `rejected/`: Proposal); `implemented/` must not carry the + * proposal-era headings (Proposal, Plan, Migration plan, Acceptance + * criteria) that the docs standard's slop checklist outlaws there. + * 3. ALTERNATIVES — `## Alternatives considered` is present, or the file is a + * pre-format RFC (dated before the format landed) carrying the exact + * grandfather comment instead. Carrying both, or grandfathering a + * post-format RFC, fails. + * 4. DEBT MARKER — the retired legacy-format debt comment may not reappear. + * + * Checker, not fixer: it reports and never rewrites. + * Run: `tsx scripts/verify-rfc-format.ts`. + */ + +import { readFileSync } from 'node:fs' +import { resolve } from 'node:path' +import { rfcRoot, walkRfcTree } from './rfc-index.ts' + +/** The date the format contract landed; the grandfather comment is valid only before it. */ +const FORMAT_ADOPTED = '2026-07-05' + +/** The exact comment a pre-format RFC carries in place of `## Alternatives considered`. */ +const GRANDFATHER = '<!-- rfc-format: alternatives-not-recorded (pre-format RFC) -->' + +/** The retired debt marker that flagged pre-format bodies; banned so it cannot creep back. */ +const LEGACY_MARKER = 'XXX: legacy ADR/RFC body format' + +/** Status-line grammar per lifecycle folder. */ +const STATUS: Record<string, RegExp> = { + proposed: /^Status: proposed$/, + implemented: /^Status: implemented$/, + rejected: /^Status: rejected — .+$/, +} + +/** Required `##` headings per lifecycle, beyond the universal `## Problem` opener. */ +const REQUIRED: Record<string, string[]> = { + proposed: ['## Proposal', '## Acceptance criteria', '## Risks'], + implemented: ['## Decision', '## Consequences'], + rejected: ['## Proposal'], +} + +/** Headings banned in `implemented/` — proposal-era spec-speak per the slop checklist. */ +const BANNED_IMPLEMENTED = /^## (?:Proposal\b|Plan\b|Migration plan\b|Acceptance criteria\b)/i + +const { rfcs, errors } = walkRfcTree() + +for (const rfc of rfcs) { + const fail = (msg: string): void => { + errors.push(`format: ${rfc.rel} — ${msg}`) + } + const lines = readFileSync(resolve(rfcRoot, rfc.rel), 'utf8').split('\n') + // Content scans ignore fenced code blocks: an RFC may legitimately QUOTE a + // status line, a banned heading, or the grandfather comment inside a fence + // (the README's own format section does), and only real prose counts. + let inFence = false + const prose = lines.filter((l) => { + if (l.startsWith('```')) { + inFence = !inFence + return false + } + return !inFence + }) + + if (!/^# RFC: \S/.test(lines[0] ?? '')) fail('line 1 must be `# RFC: <title>`') + if (lines[1] !== '') fail('line 2 must be blank') + const status = STATUS[rfc.lifecycle] + if (status !== undefined && !status.test(lines[2] ?? '')) { + fail(`line 3 must match the ${rfc.lifecycle} status grammar (${String(status)})`) + } + if (lines[3] !== '') fail('line 4 must be blank') + const statusLines = prose.filter(l => l.startsWith('Status:') && l !== lines[2]) + if (statusLines.length > 0 || prose.filter(l => l === lines[2]).length > 1) { + fail('the line-3 `Status:` line must be the only one in the file') + } + + const h2s = prose.filter(l => l.startsWith('## ')).map(l => l.trimEnd()) + if (h2s[0] !== '## Problem') fail(`the first section must be \`## Problem\` (got ${JSON.stringify(h2s[0] ?? '<none>')})`) + for (const required of REQUIRED[rfc.lifecycle] ?? []) { + if (!h2s.includes(required)) fail(`missing the required \`${required}\` section`) + } + if (rfc.lifecycle === 'implemented') { + for (const h2 of h2s.filter(h => BANNED_IMPLEMENTED.test(h))) { + fail(`\`${h2}\` is a proposal-era heading; an implemented RFC states what is (fold it into Decision/Consequences/Testing)`) + } + } + + const hasSection = h2s.includes('## Alternatives considered') + const hasGrandfather = prose.includes(GRANDFATHER) + if (hasSection && hasGrandfather) fail('carries both `## Alternatives considered` and the grandfather comment — drop the comment') + if (!hasSection && !hasGrandfather) fail('missing `## Alternatives considered` (a pre-format RFC whose alternatives are not reconstructible carries the grandfather comment instead — see docs/rfc/README.md § The file format)') + if (hasGrandfather && rfc.date >= FORMAT_ADOPTED) fail(`the grandfather comment is only valid for RFCs dated before ${FORMAT_ADOPTED}`) + + if (prose.some(l => l.includes(LEGACY_MARKER))) fail('carries the retired legacy-format debt marker') +} + +if (errors.length === 0) { + console.log(`verify-rfc-format: ${rfcs.length} RFC(s) checked, all conform to docs/rfc/README.md § The file format.`) + process.exit(0) +} + +console.error('verify-rfc-format: violations found:') +for (const e of errors) console.error(` ${e}`) +process.exit(1) diff --git a/scripts/verify-translation-pairing.ts b/scripts/verify-translation-pairing.ts index 3e9043b39d..fe55079079 100644 --- a/scripts/verify-translation-pairing.ts +++ b/scripts/verify-translation-pairing.ts @@ -47,9 +47,8 @@ */ import { createHash } from 'node:crypto' -import { existsSync, readFileSync, writeFileSync } from 'node:fs' +import { existsSync, globSync, readFileSync, writeFileSync } from 'node:fs' import { basename, join, resolve } from 'node:path' -import { glob } from 'node:fs/promises' import { fromMarkdown } from 'mdast-util-from-markdown' import { gfmFromMarkdown } from 'mdast-util-gfm' import { gfm } from 'micromark-extension-gfm' @@ -216,7 +215,7 @@ function parse(content: string): Nodes { // Enumerate the scope once. const files = new Set<string>() for (const pattern of SCOPE_PATTERNS) { - for await (const match of glob(pattern, { cwd: root })) files.add(match) + for (const match of globSync(pattern, { cwd: root })) files.add(match) } const translations = [...files].filter(f => f.endsWith('.zh.md')).sort() const metas = [...files].filter(f => f.endsWith('.i18n.yaml')).sort() diff --git a/scripts/verify-type-equiv.ts b/scripts/verify-type-equiv.ts index c93383e40f..85ccd642d9 100644 --- a/scripts/verify-type-equiv.ts +++ b/scripts/verify-type-equiv.ts @@ -22,9 +22,8 @@ * Run: `tsx scripts/verify-type-equiv.ts`. */ -import { readFileSync, existsSync } from 'node:fs' +import { globSync, readFileSync, existsSync } from 'node:fs' import { resolve } from 'node:path' -import { glob } from 'node:fs/promises' import ts from 'typescript' const root = resolve(import.meta.dirname, '..') @@ -148,7 +147,7 @@ const keyOf = (x: { doc: string; symbol: string }): string => `${x.doc}::${x.sym // as an orphan rather than silently skipped. const docSet = new Set<string>() for (const pattern of MARKDOWN_GLOBS) { - for await (const match of glob(pattern, { cwd: root })) docSet.add(match) + for (const match of globSync(pattern, { cwd: root })) docSet.add(match) } const blocks: EquivBlock[] = [...docSet].sort().flatMap(extractEquivBlocks) diff --git a/tsconfig.base.json b/tsconfig.base.json index 40e4dbe728..36401b77f7 100644 --- a/tsconfig.base.json +++ b/tsconfig.base.json @@ -43,11 +43,18 @@ "./packages/core/*/src", "./packages/llm/*/src", "./packages/bash/*/src", + "./packages/code-runtime/*/src", "./packages/fs/*/src", + "./packages/skill/*/src", "./packages/compact/*/src", + "./packages/guard/*/src", "./packages/subagent/*/src", + "./packages/workflow/*/src", "./packages/web/*/src", + "./packages/timeout/*/src", "./packages/todo/*/src", + "./packages/cordis/*/src", + "./packages/sandbox/*/src", "./packages/hooks/*/src", "./packages/session-persistence/*/src", "./packages/ui/*/src", diff --git a/tsconfig.build.json b/tsconfig.build.json index d1a369036e..8b2967b2bf 100644 --- a/tsconfig.build.json +++ b/tsconfig.build.json @@ -11,6 +11,7 @@ { "path": "./vendor/hmr" }, { "path": "./vendor/logger-console" }, { "path": "./packages/util/brand" }, + { "path": "./packages/util/timeout" }, { "path": "./packages/llm/llm" }, { "path": "./packages/core/session" }, { "path": "./packages/session-persistence/session-persistence" }, @@ -18,15 +19,26 @@ { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/core/system-prompt" }, { "path": "./packages/core/agent" }, + { "path": "./packages/ui/user-interaction" }, + { "path": "./packages/ui/user-approval" }, { "path": "./packages/core/tools" }, + { "path": "./packages/skill/skill" }, + { "path": "./packages/skill/skill-local" }, + { "path": "./packages/skill/tool-skill" }, + { "path": "./packages/ui/tool-ask-user" }, { "path": "./packages/core/agent-loop" }, { "path": "./packages/core/agent-core" }, { "path": "./packages/bash/bash" }, + { "path": "./packages/code-runtime/code-runtime" }, + { "path": "./packages/code-runtime/code-runtime-worker" }, { "path": "./packages/compact/compact" }, { "path": "./packages/compact/compact-basic" }, { "path": "./packages/llm/llm-deepseek" }, { "path": "./packages/llm/llm-pi-ai" }, { "path": "./packages/bash/bash-local" }, + { "path": "./packages/sandbox/sandbox" }, + { "path": "./packages/sandbox/sandbox-local" }, + { "path": "./packages/bash/bash-sandbox" }, { "path": "./packages/bash/tool-bash" }, { "path": "./packages/fs/fs" }, { "path": "./packages/fs/fs-local" }, @@ -38,20 +50,28 @@ { "path": "./packages/web/web-search-deepseek" }, { "path": "./packages/web/web-fetch-local" }, { "path": "./packages/web/tool-web" }, + { "path": "./packages/timeout/timeout-policy" }, { "path": "./packages/support/invariants" }, { "path": "./packages/ui/acp" }, { "path": "./packages/ui/acp-agent" }, + { "path": "./packages/ui/app-boot" }, { "path": "./packages/ui/stdio-agent" }, - { "path": "./packages/support/ui-stdio" }, { "path": "./packages/support/llm-replay" }, + { "path": "./packages/support/acp-snapshot" }, { "path": "./packages/subagent/subagent" }, { "path": "./packages/support/subagent-mock" }, { "path": "./packages/subagent/tool-subagent" }, { "path": "./packages/subagent/subagent-inprocess" }, + { "path": "./packages/subagent/subagent-subprocess" }, { "path": "./packages/subagent/subagent-spawn" }, { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, + { "path": "./packages/workflow/workflow" }, + { "path": "./packages/workflow/workflow-workerthread" }, + { "path": "./packages/workflow/tool-workflow" }, { "path": "./packages/todo/tool-todo" }, + { "path": "./packages/guard/repeat-tool-guard" }, + { "path": "./packages/cordis/tool-cordis" }, { "path": "./packages/hooks/hook-protocol" }, { "path": "./packages/hooks/hooks-claude" }, { "path": "./packages/hooks/hooks-codex" } diff --git a/tsconfig.json b/tsconfig.json index c43e6690c6..70780e1c17 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -22,6 +22,7 @@ { "path": "./vendor/hmr" }, { "path": "./vendor/logger-console" }, { "path": "./packages/util/brand" }, + { "path": "./packages/util/timeout" }, { "path": "./packages/llm/llm" }, { "path": "./packages/core/session" }, { "path": "./packages/session-persistence/session-persistence" }, @@ -29,13 +30,24 @@ { "path": "./packages/session-persistence/session-persistence-sqlite" }, { "path": "./packages/core/system-prompt" }, { "path": "./packages/core/agent" }, + { "path": "./packages/ui/user-interaction" }, + { "path": "./packages/ui/user-approval" }, { "path": "./packages/core/tools" }, + { "path": "./packages/skill/skill" }, + { "path": "./packages/skill/skill-local" }, + { "path": "./packages/skill/tool-skill" }, + { "path": "./packages/ui/tool-ask-user" }, { "path": "./packages/core/agent-loop" }, { "path": "./packages/core/agent-core" }, { "path": "./packages/bash/bash" }, + { "path": "./packages/code-runtime/code-runtime" }, + { "path": "./packages/code-runtime/code-runtime-worker" }, { "path": "./packages/llm/llm-deepseek" }, { "path": "./packages/llm/llm-pi-ai" }, { "path": "./packages/bash/bash-local" }, + { "path": "./packages/sandbox/sandbox" }, + { "path": "./packages/sandbox/sandbox-local" }, + { "path": "./packages/bash/bash-sandbox" }, { "path": "./packages/bash/tool-bash" }, { "path": "./packages/fs/fs" }, { "path": "./packages/fs/fs-local" }, @@ -49,20 +61,28 @@ { "path": "./packages/web/web-search-deepseek" }, { "path": "./packages/web/web-fetch-local" }, { "path": "./packages/web/tool-web" }, + { "path": "./packages/timeout/timeout-policy" }, { "path": "./packages/support/invariants" }, { "path": "./packages/ui/acp" }, { "path": "./packages/ui/acp-agent" }, + { "path": "./packages/ui/app-boot" }, { "path": "./packages/ui/stdio-agent" }, - { "path": "./packages/support/ui-stdio" }, { "path": "./packages/support/llm-replay" }, + { "path": "./packages/support/acp-snapshot" }, { "path": "./packages/subagent/subagent" }, { "path": "./packages/support/subagent-mock" }, { "path": "./packages/subagent/tool-subagent" }, { "path": "./packages/subagent/subagent-inprocess" }, + { "path": "./packages/subagent/subagent-subprocess" }, { "path": "./packages/subagent/subagent-spawn" }, { "path": "./packages/subagent/subagent-fork" }, { "path": "./packages/subagent/subagent-acp" }, + { "path": "./packages/workflow/workflow" }, + { "path": "./packages/workflow/workflow-workerthread" }, + { "path": "./packages/workflow/tool-workflow" }, { "path": "./packages/todo/tool-todo" }, + { "path": "./packages/guard/repeat-tool-guard" }, + { "path": "./packages/cordis/tool-cordis" }, { "path": "./packages/hooks/hook-protocol" }, { "path": "./packages/hooks/hooks-claude" }, { "path": "./packages/hooks/hooks-codex" } diff --git a/tsdown.config.ts b/tsdown.config.ts index 7b172180d1..9479c5c91d 100644 --- a/tsdown.config.ts +++ b/tsdown.config.ts @@ -12,7 +12,8 @@ import { defineConfig } from 'tsdown' export default defineConfig({ // Explicit globs: `workspace: true` would also discover examples (any // package.json), but only vendor and the packages hierarchy are pnpm - // workspaces. + // workspaces. The Landlock launcher platform packages ship a prebuilt + // native binary and no JavaScript — nothing to bundle. workspace: ['vendor/*', 'packages/*/*'], entry: ['lib/types/index.js'], outDir: 'lib', diff --git a/vitest.config.ts b/vitest.config.ts index 6afd87dcb0..11d1454b08 100644 --- a/vitest.config.ts +++ b/vitest.config.ts @@ -31,7 +31,12 @@ export default defineConfig({ // can't import one without booting it, so they are driven by the keyless // Loader-path smoke (a real subprocess) instead of the in-process unit // suite — the same reason `examples/start.ts` sat out of coverage scope. - exclude: ['packages/*/*/src/types.ts', 'packages/*/*/src/bin.ts'], + // `worker.ts` files are the same class as bin.ts: self-executing + // worker-thread entrypoints that only ever run inside a spawned isolate + // the v8 provider cannot observe. They stay thin glue over in-process- + // tested logic (bootstrap.ts) and are pinned by real-worker integration + // tests. + exclude: ['packages/*/*/src/types.ts', 'packages/*/*/src/bin.ts', 'packages/*/*/src/worker.ts'], // 100% or it doesn't merge (docs/testing.md: excessive tests are welcome). // Per-file so a well-covered big file can't subsidize a bare one. // Every v8 ignore comment must carry a reason — see the quality-gates RFC @@ -43,7 +48,7 @@ export default defineConfig({ functions: 100, lines: 100, }, - reporter: ['text', 'html'], + reporter: process.env.CI ? ['text'] : ['text', 'html'], }, }, }) diff --git a/vitest.e2e.config.ts b/vitest.e2e.config.ts index 63ccbb8a27..57930db57a 100644 --- a/vitest.e2e.config.ts +++ b/vitest.e2e.config.ts @@ -7,8 +7,9 @@ import { defineConfig } from 'vitest/config' // // Secrets: tests gate themselves with // `describe.skipIf(!process.env.DEEPSEEK_API_KEY)`, so the suite passes -// (all-skipped) without credentials — CI has none and stays green. Put the -// key in the environment or in a gitignored `.env` at the repo root: +// (all-skipped) without credentials. The keyless CI workflow relies on that; +// the real-API workflow preflights the secret and fails loudly if it is absent. +// Put the key in the environment or in a gitignored `.env` at the repo root: // // DEEPSEEK_API_KEY=sk-… // DEEPSEEK_BASE_URL=https://… # optional, defaults to the public API @@ -19,6 +20,21 @@ try { // No .env — fine, the environment may already carry the variables. } +const DEFAULT_E2E_MAX_WORKERS = 4 + +function positiveIntFromEnv(name: string, fallback: number): number { + const raw = process.env[name] + if (raw === undefined || raw === '') return fallback + + const value = Number(raw) + if (!Number.isInteger(value) || value < 1) { + throw new Error(`${name} must be a positive integer, got ${JSON.stringify(raw)}`) + } + return value +} + +const e2eMaxWorkers = positiveIntFromEnv('DSH_E2E_MAX_WORKERS', DEFAULT_E2E_MAX_WORKERS) + export default defineConfig({ // Same resolution note as vitest.config.ts: bare workspace names resolve // through the root tsconfig paths map; the native option cannot do this. @@ -31,9 +47,10 @@ export default defineConfig({ testTimeout: 120_000, hookTimeout: 30_000, retry: 2, - // Run e2e files one at a time: the shared internal API key has a small - // concurrency quota, and parallel files issue enough simultaneous requests - // to trip it (manifesting as flaky rate-limit errors). - fileParallelism: false, + // Run files in a bounded pool: enough lower-level parallelism to keep CI + // and local with-key runs moving, while leaving a resource knob for shared + // API quotas (`DSH_E2E_MAX_WORKERS=1` restores serial execution). + fileParallelism: e2eMaxWorkers > 1, + maxWorkers: e2eMaxWorkers, }, }) diff --git a/vitest.snapshot.config.ts b/vitest.snapshot.config.ts index ecc8d911aa..d0a8ce6a54 100644 --- a/vitest.snapshot.config.ts +++ b/vitest.snapshot.config.ts @@ -7,10 +7,14 @@ import { defineConfig } from 'vitest/config' // normalized stdout transcript + re-persisted log against committed goldens. // `pnpm run test:snapshot:record` (DSH_SNAPSHOT=record + -u) re-records the // fixtures against the real API and refreshes the goldens. +// `pnpm run test:snapshot:refresh` (DSH_SNAPSHOT=refresh) stays keyless: it +// replays the committed model scripts and writes the current stdout/log goldens +// without calling the live LLM. // // Replay loads no .env (it must never reach the network — a recorded fixture -// drives the model). Record reads DEEPSEEK_API_KEY from the env or a gitignored -// repo-root .env, so a contributor with a key only in .env can still record. +// drives the model), and refresh uses that same keyless replay path. Record +// reads DEEPSEEK_API_KEY from the env or a gitignored repo-root .env, so a +// contributor with a key only in .env can still record. if (process.env.DSH_SNAPSHOT === 'record') { try { process.loadEnvFile(new URL('.env', import.meta.url).pathname)