Merge remote-tracking branch 'origin/master' into feat/directory-picker-show-hidden

This commit is contained in:
creatixchu
2026-07-30 18:29:37 +08:00
220 changed files with 2783 additions and 2761 deletions

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# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
# 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
2026-07-23-client-plugin-loading-model.md: 4028f50bf5cf8a05063df3bf5e2b4b7f45a3c02e
2026-07-23-client-plugin-loading-model.zh.md: 7dc96b47c950af07adb71ba7fe131d53e5c0e51d
# pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-23-client-plugin-loading-model.md
2026-07-23-client-plugin-loading-model.md: b0873b7aa7bccd3d613f3113fa18207770952e5d
2026-07-23-client-plugin-loading-model.zh.md: f3472dbfc5a78924e77337bf92ce5983c8492c4c

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@@ -116,7 +116,7 @@ One governance implementation runs on both sides of the wire; the browser-specif
Costs accepted: the vendored Loader carries idle machinery in the browser (EntryTree persistence is a no-op, groups/isolation unused); every plugin edit in dev pays a bundle rebuild plus fiber remount; graph `inject` rows are informational — activation truth is service-level — so a mismatch surfaces at the settled sweep, not at graph validation; and the three not-yet-promoted libraries keep their static-import export surface until their DI conversions land.
Roster endgame (landed 2026-07-25 with the config-tree boot move): the roster lives in `apps/cli/cordis.yml`, `mountWebPlugins` and the `CLIENT_PACKAGES` constant are gone, and recomposing a deployment means swapping the yml/overlay. The graph composer moved from a webserver-side registry into the `dsh-client-modules` node half (the package upgraded to dual-face per this note's promotion rule — its consumer now reaches it through cordis DI), and the transport split landed alongside: the webserver became a plain route-registration plugin, `/api/*` binding moved to the connection node half over the upgraded `api-gateway` plugin (`dsh-host-apiproxy` providing `ctx.apiProxy`), and the dev bundle watch + SSE channel moved to the hmr node half.
Roster endgame (landed 2026-07-25 with the config-tree boot move): the roster lives in `apps/cli/config/web.cordis.yml`, `mountWebPlugins` and the `CLIENT_PACKAGES` constant are gone, and recomposing a deployment means swapping the yml/overlay. The graph composer moved from a webserver-side registry into the `dsh-client-modules` node half (the package upgraded to dual-face per this note's promotion rule — its consumer now reaches it through cordis DI), and the transport split landed alongside: the webserver became a plain route-registration plugin, `/api/*` binding moved to the connection node half over the upgraded `api-gateway` plugin (`dsh-host-apiproxy` providing `ctx.apiProxy`), and the dev bundle watch + SSE channel moved to the hmr node half.
## Alternatives considered

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接受的代价:vendored Loader 在浏览器里背着闲置机件(EntryTree 持久化是 no-op,分组/隔离未用);开发期每次修改插件都要付一次 bundle 重建加 fiber 重挂;图中 `inject` 行仅是信息性说明——激活的真相在服务层——因此不匹配会在 settled 扫描时浮出,而不是在图校验时被拦下;三个尚未升格的库在各自的 DI 转换落地之前保持静态 import 的导出面。
名册的终局(2026-07-25 随配置树 boot 迁移落地):名册住 `apps/cli/cordis.yml`,`mountWebPlugins` 与 `CLIENT_PACKAGES` 常量已消失,重组一次部署等于换 yml/overlay。图的组合器从 webserver 侧的注册表迁进 `dsh-client-modules` 的 node 半(该包按本 note 的升级法则升格为双面——其消费方现经 cordis DI 到达),传输拆分同轮落地:webserver 变为朴素路由注册插件,`/api/*` 绑定迁到 connection 的 node 半、走升格后的 `api-gateway` 插件(`dsh-host-apiproxy` 提供 `ctx.apiProxy`),dev 的 bundle 监视与 SSE 通道迁到 hmr 的 node 半。
名册的终局(2026-07-25 随配置树 boot 迁移落地):名册住 `apps/cli/config/base.cordis.yml` 与 `apps/cli/config/web.cordis.yml`,`mountWebPlugins` 与 `CLIENT_PACKAGES` 常量已消失,重组一次部署等于换 yml/overlay。图的组合器从 webserver 侧的注册表迁进 `dsh-client-modules` 的 node 半(该包按本 note 的升级法则升格为双面——其消费方现经 cordis DI 到达),传输拆分同轮落地:webserver 变为朴素路由注册插件,`/api/*` 绑定迁到 connection 的 node 半、走升格后的 `api-gateway` 插件(`dsh-host-apiproxy` 提供 `ctx.apiProxy`),dev 的 bundle 监视与 SSE 通道迁到 hmr 的 node 半。
## Alternatives considered

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@@ -1,6 +1,6 @@
# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
# 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
2026-07-24-web-config-tree-boot-and-transport-layering.md: 99e5d0d95f320464a6f12857e9d6e90e3587c777
2026-07-24-web-config-tree-boot-and-transport-layering.zh.md: 89c1a578f0ad0841eea7512538e3de8095b82c4d
# pnpm run verify-translation-pairing --write .agents/notes/implemented/architecture/2026-07-24-web-config-tree-boot-and-transport-layering.md
2026-07-24-web-config-tree-boot-and-transport-layering.md: a2080024d36d54162f4f4aa79896e51efd708f59
2026-07-24-web-config-tree-boot-and-transport-layering.zh.md: 1c430bf2939f9f556f378bdeb78872a0091a592d

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@@ -12,7 +12,7 @@ English | [中文](2026-07-24-web-config-tree-boot-and-transport-layering.zh.md)
## Decision
**Composition is one flat config tree.** `apps/cli/cordis.yml` holds every row — the host runtime (32 rows), the `api-gateway` row, the `webserver` row, and the `dshClient` rows (the browser roster; the modules row is simultaneously a host row). No spine bundle: every plugin is one row and every config field is yml-editable. `--dev` appends the `dsh-client-hmr` row in code before the settle sweep — prod and dev differ by exactly that row. Row order carries no load semantics; activation is service-availability driven, and the boot compensates with a fail-loud triple: `assertEntriesLoaded` (import failures), `installFailLoud` (late apply rejections), and an all-ACTIVE sweep (PENDING fibers — cordis inject waiting has no timeout).
**Composition is one flat assembled tree.** `apps/cli/config/base.cordis.yml` plus `apps/cli/config/web.cordis.yml` holds every row — the host runtime (32 rows), the `api-gateway` row, the `webserver` row, and the `dshClient` rows (the browser roster; the modules row is simultaneously a host row). No spine bundle: every plugin is one row and every config field is yml-editable. That stance later became repository-wide, with the rows both surfaces share factored into `apps/cli/config/base.cordis.yml` and each surface reduced to an overlay ([shared-base overlays](../simplification/2026-07-29-shared-base-config-overlays.md)). `--dev` appends the `dsh-client-hmr` row in code before the settle sweep — prod and dev differ by exactly that row. Row order carries no load semantics; activation is service-availability driven, and the boot compensates with a fail-loud triple: `assertEntriesLoaded` (import failures), `installFailLoud` (late apply rejections), and an all-ACTIVE sweep (PENDING fibers — cordis inject waiting has no timeout).
**Boot glue is a class pair.** `AppCLIEntry` (apps/cli) and `AppWebEntry` (the shell kernel) hold only what must exist independently of cordis: argv facts, the composed patch set, the parsed boot manifest, the module system instance, loading-page handles — everything else lives in plugins. `AppCLIEntry.run()` is three stages: layered env (ambient > cwd `.env` > `$DSH_HOME/.env`, closing the defect above) → patch composition → Loader include boot plus the triple. `AppWebEntry.run()` mirrors it browser-side: parse `window.__DSH_BOOT__` into a `BootManifest` (two views: npm-package rows for the module table, cordis-plugin rows for entry composition; malformed wire throws), build the module system, render the loading page, prefetch the `immediately` tier in parallel with Context/Loader setup, **await the prefetch before creating entries** (materialization is `tree.import`'s synchronous require, unprotected by fiber inject waiting; cross-package require edges such as i18n → runtime/client need every immediately-tier factory registered first — an empirically found 10–25% boot race otherwise), adopt the modules entry, create the graph rows, settle, sweep.

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## 决策
**组合是一棵平铺 config tree。** `apps/cli/cordis.yml` 持有全部行——host runtime(32 行)、`api-gateway` 行、`webserver` 行、`dshClient` 行(浏览器 roster;modules 行同时是 host 行)。不做 spine bundle:每插件一行、每个 config 字段 yml 可改。`--dev` 在 settle sweep 之前由代码追加 `dsh-client-hmr` 行——prod 与 dev 的全部差异就是这一行。行序无装载语义;激活由服务可用性驱动,boot 以 fail-loud 三件套补偿:`assertEntriesLoaded`(import 失败)、`installFailLoud`(迟到的 apply 拒绝)、all-ACTIVE sweep(PENDING fiber——cordis inject 等待没有超时)。
**组合结果是一棵平铺配置树。** `apps/cli/config/base.cordis.yml` 与 `apps/cli/config/web.cordis.yml` 共同持有全部行——host runtime(32 行)、`api-gateway` 行、`webserver` 行、`dshClient` 行(浏览器 roster;modules 行同时是 host 行)。不做 spine bundle:每插件一行、每个 config 字段 yml 可改。这一立场后来推广到全仓:两个 surface 共享的配置项被抽取进 `apps/cli/config/base.cordis.yml`,各 surface 则收敛为一份 overlay([共享 base overlay](../simplification/2026-07-29-shared-base-config-overlays.md))。`--dev` 在 settle sweep 之前由代码追加 `dsh-client-hmr` 行——prod 与 dev 的全部差异就是这一行。行序无装载语义;激活由服务可用性驱动,boot 以 fail-loud 三件套补偿:`assertEntriesLoaded`(import 失败)、`installFailLoud`(迟到的 apply 拒绝)、all-ACTIVE sweep(PENDING fiber——cordis inject 等待没有超时)。
**boot 胶水是一对 class。** `AppCLIEntry`(apps/cli)与 `AppWebEntry`(壳内核)只持有独立于 cordis 必须提前存在的东西:argv 事实、合成的 patch 集、解析出的 boot manifest、模块系统实例、loading 页句柄——其余一律进插件。`AppCLIEntry.run()` 三段:分层 env(ambient > cwd `.env` > `$DSH_HOME/.env`,顺手关掉上述缺陷)→ patch 合成 → Loader include boot 加三件套。`AppWebEntry.run()` 在浏览器侧镜像它:把 `window.__DSH_BOOT__` 解析成 `BootManifest`(双视角:npm 包行给模块表、cordis 插件行给 entry 组合;畸形 wire 大声抛)、建模块系统、渲染 loading 页、immediately 层预取与 Context/Loader 准备并行、**create entry 之前等预取齐**(物化是 `tree.import` 的同步 require,不受 fiber inject 等待保护;i18n → runtime/client 这类跨包 require 边要求 immediately 层工厂全部注册完——否则有实测 10–25% 的 boot 竞态)、收编 modules entry、逐图行 create、settle、sweep。

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# 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 .agents/notes/implemented/architecture/2026-07-28-dsh-native-typescript-source-launch.md
2026-07-28-dsh-native-typescript-source-launch.md: 1ba1dd2663038ad7c49af71f8b428245f7fa3e2b
2026-07-28-dsh-native-typescript-source-launch.zh.md: 02f84f34820469ad9e810ae17d79d3fe12b0cd4c
2026-07-28-dsh-native-typescript-source-launch.md: 773f831ec2b116d4908fcd5dc818df78c5deee5e
2026-07-28-dsh-native-typescript-source-launch.zh.md: 0602aa1ba079fcd5bffb2fe3989da9a4f62763fb

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`scripts/tspath-loader.ts` registers only a module resolve hook. It uses `TSX_TSCONFIG_PATH` when set (resolving relative values from the invoking cwd) and otherwise reads the root `tsconfig.json`; `TsconfigPathsResolver` follows that config's `extends` chain through the repository's existing TypeScript development tool, selects exact or wildcard `paths` entries according to tsconfig rules, and maps matching workspace bare specifiers to `.ts`/`.mts`/`.cts` source files or directory index files. Node remains solely responsible for code transformation. The source-only loader is not part of the built CLI and `apps/cli` does not declare `typescript` as a runtime dependency.
Source imports are redirected only when the target package is either the nearest package manifest's own name or one of that manifest's declared runtime dependencies. The Cordis Loader uses the configuration directory URL as the import parent; the resolver then searches upward for the workspace manifest that declares the plugin, so dependency ownership for `examples/tui-agent/cordis.yml` lies with `examples/package.json`, and dependency ownership for `apps/cli/cordis.yml` lies with `apps/cli/package.json`. Specifiers that do not match tsconfig paths, refer to undeclared dependencies, or are not bare all fall back to Node's default resolution.
Source imports are redirected only when the target package is either the nearest package manifest's own name or one of that manifest's declared runtime dependencies. The Cordis Loader uses the configuration directory URL as the import parent; the resolver then searches upward for the workspace manifest that declares the plugin, so dependency ownership for the shipped `apps/cli/config/base.cordis.yml` plus its surface overlay lies with `apps/cli/package.json`. Specifiers that do not match tsconfig paths, refer to undeclared dependencies, or are not bare all fall back to Node's default resolution.
`verify-cordis-config` performs a one-way completeness check on both resolver manifests: every bare plugin package in a configuration must appear in the corresponding manifest's `dependencies`, while the manifest may contain extra dependencies not referenced by that configuration. The root `AGENTS.md` makes updating the configuration and dependencies together a standing rule.
`verify-cordis-config` performs a one-way completeness check on the resolver manifest: every bare plugin package in a configuration must appear in the corresponding manifest's `dependencies`, while the manifest may contain extra dependencies not referenced by that configuration. The root `AGENTS.md` makes updating the configuration and dependencies together a standing rule.
After the Loader settles, the shared `dsh-app-boot` checks every enabled entry that has no fiber and rejects startup with `plugin(s) failed to load: ...; Cordis startup failed because these plugin(s) could not be resolved`, listing all failed plugins. This diagnostic lives at the app layer and does not change the vendored Loader's startup behavior.

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`scripts/tspath-loader.ts` 只注册一个模块 resolve hook。设置 `TSX_TSCONFIG_PATH` 时,它会使用该路径(相对路径从调用方的 cwd 解析),否则读取根 `tsconfig.json`;`TsconfigPathsResolver` 使用仓库已有的 TypeScript 开发工具沿该配置的 `extends` 链解析,按 tsconfig 规则选择精确或 wildcard `paths` 条目,并将命中的 workspace bare specifier 映射到 `.ts`/`.mts`/`.cts` 源文件或目录 index 文件。代码转换始终只由 Node 负责。该源码专用 loader 不属于构建后的 CLI,`apps/cli` 也不会把 `typescript` 声明为运行时依赖。
只有当目标包是最近 package manifest 的自身名称或其已声明的运行时依赖时,源码 import 才会重定向。Cordis Loader 使用配置目录 URL 作为 import parent;此时 resolver 会向上查找声明该插件的 workspace manifest。因此,`examples/tui-agent/cordis.yml` 的依赖由 `examples/package.json` 持有,`apps/cli/cordis.yml` 的依赖由 `apps/cli/package.json` 持有。未命中 tsconfig paths、引用未声明依赖或不是 bare specifier 的说明符全部交回 Node 默认解析。
只有当目标包是最近 package manifest 的自身名称或其已声明的运行时依赖时,源码 import 才会重定向。Cordis Loader 使用配置目录 URL 作为 import parent;此时 resolver 会向上查找声明该插件的 workspace manifest。因此,已交付的 `apps/cli/config/base.cordis.yml` 及其界面覆盖层所需依赖由 `apps/cli/package.json` 持有。未命中 tsconfig paths、引用未声明依赖或不是 bare specifier 的说明符全部交回 Node 默认解析。
`verify-cordis-config` 对这两个解析方 manifest 执行单向完整性检查:配置中的每个 bare plugin package 都必须出现在对应 manifest 的 `dependencies` 中,manifest 可以包含该配置未引用的额外依赖。根 `AGENTS.md` 将同步更新配置和依赖定为常驻规则。
`verify-cordis-config` 对该解析方 manifest 执行单向完整性检查:配置中的每个 bare plugin package 都必须出现在对应 manifest 的 `dependencies` 中,manifest 可以包含该配置未引用的额外依赖。根 `AGENTS.md` 将同步更新配置和依赖定为常驻规则。
Loader 完成结算后,共享的 `dsh-app-boot` 会检查每个已启用但没有 fiber 的 entry,并以 `plugin(s) failed to load: ...; Cordis startup failed because these plugin(s) could not be resolved` 拒绝启动,同时列出全部加载失败的插件。该诊断位于应用层,不改变 vendor 中 Loader 的启动行为。

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# Bilingual-pair consistency record (docs/i18n/README.md): the git blob hash of each
# 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 .agents/notes/implemented/architecture/2026-07-28-launcher-owned-resume-identity.md
2026-07-28-launcher-owned-resume-identity.md: e11431716305ff18e951ca45921c71dcd105974c
2026-07-28-launcher-owned-resume-identity.zh.md: e4078023cb1519288f0367f8973788f361aaa0bd

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# Agent Note: Launcher-owned session identity and exit line
Status: implemented
English | [中文](2026-07-28-launcher-owned-resume-identity.zh.md)
## Problem
Two facts a launcher owns were shipped as deployment config keys on the TUI app bundle: `resumeSessionId` (which session `main` binds to) and `resumeCommand` (the exit hint template, with `{session}` interpolated). Neither varies by deployment — both are properties of how the process was invoked, which only the launcher knows.
Routing them through YAML made them silently droppable. `@cordisjs/plugin-include` applies a targeted patch by replacing whole top-level keys (`target[key] = value`), so a personal `~/.dsh/config.yaml` patching the `tui-agent` entry's `config` replaces the shipped block entirely. A user overlay written to change provider and model therefore deleted every resume key it did not restate, and nothing reported it: absent `resumeCommand` legitimately means "no fallback configured".
Both failures were live in one real overlay. The exit hint stopped printing, because the overlay omitted `resumeCommand`. Worse, the overlay carried `resumeSessionId: !!js process.env.RESUME_SESSION_ID` — a stale line from before [the env-var bridge was removed](../../archived/architecture/2026-07-24-dsh-commander-argument-adapter.md) — which overwrote the shipped `!!js "typeof resumeSessionId === 'string' ? …"` intake with a read of a variable nothing sets. `dsh --resume <valid-id>` then started a *fresh* session and said nothing, reproduced directly: the banner showed a newly minted id, not the requested one. The [`dsh meta`](../feature/2026-07-28-dsh-meta-source-workspace.md) note had recorded this silent resume as an unexplained pre-existing defect; the overlay's shallow replacement is the cause.
A config key cannot express these facts safely, because the deployment is not the authority on them.
## Decision
Session identity and the exit line are launcher-owned context slots, provided before any Loader entry mounts. Neither appears in any `cordis.yml` nor in any plugin's `Config`.
Both sit beside the existing `tuiResumeHost` host capability, which set the precedent — a resume host has always been a provided capability rather than config. Each slot is declared by the package that consumes it:
- `CONFIGURED_AGENT_IDENTITIES_KEY` (`dsh-agent-loop`) carries launcher identities keyed by configured-agent `id`, each a `LauncherAgentIdentity` (`{ id: SessionId, resume: boolean }`). `agent-loop` applies the matching identity over its configured agent, replacing both identity keys, and takes the history-loading `resumeSessionId` path only when `resume` is set, because that path requires an existing log and fails loud without one. An absent slot leaves the configured identity untouched. The `tui` row resolves the same id through its own `sessionId` key, so the front door renders exactly the agent that was bound.
- `TUI_GOODBYE_MESSAGE_KEY` (`dsh-tui`) carries the complete line printed once the terminal is released on exit. Absent prints nothing.
Identity belongs to `agent-loop` because that is the plugin which creates configured agents, and because a patch replaces a row's whole `config`: an overlay repointing the agent row's model route would erase a launcher-set identity key. See [the shared-base overlay note](../simplification/2026-07-29-shared-base-config-overlays.md).
`apps/cli` mints or selects the id and builds the line from the invocation it is reproducing, sharing one `resumeArgs` helper with the `/resume` execve handoff so the printed command and the in-place handoff cannot diverge. The line now names `--config` when one was passed, and reproduces `dsh meta --resume <id>` in meta mode — closing the mode-aware hint deferred by the `dsh meta` note, where a copied hint previously only worked from the checkout.
**`ctx.provide` is the only channel from launcher argv into a Loader-mounted plugin.** Config `!!js` expressions evaluate as `with (entry.ctx) { eval(expr) }` (`vendor/loader/src/config/utils.ts`), so a bare identifier resolves against the entry's context and nothing else reaches it. The slot therefore cannot be removed while the app bundle is mounted from YAML; what changes is that it is now internal launcher↔app plumbing instead of a documented key a config author must wire correctly.
The message is a plain string, not a callback. That forces the launcher to know the id before boot, which is why minting moved out of the app bundle — and it keeps exit free of awaited work after the terminal is released.
The TUI owns rendering, not wording: it applies `displayText` before its own `palette.muted`, so a hostile `--config` path cannot inject terminal escapes into the exit line. Sanitizing means the launcher cannot embed its own ANSI.
## Alternatives considered
**Keep the keys and add built-in defaults in the app bundle.** Rejected: a default in code survives an overlay, but two ways to state one fact remain, and a config author can still set the key wrong — which is exactly how the stale `process.env.RESUME_SESSION_ID` line disabled resume.
**Merge the app bundle into `apps/cli` and delete the slot entirely.** Rejected here, then [adopted later](../simplification/2026-07-29-shared-base-config-overlays.md) in a form this note did not consider: the composition moved into flat config files (`apps/cli/config/base.cordis.yml` plus a per-surface overlay) rather than into CLI code, so it never entered the `v8 ignore` process-wiring block, and the overlay extension points survive as ordinary row patches. The slot itself was not deleted — it moved to `dsh-agent-loop`, because a launcher fact still cannot travel through a replaceable config key.
**Put the goodbye message on `TuiResumeHost`.** Rejected: an exit line is not a handoff capability, and a host that cannot replace its process may still want to print one. They are independent slots.
**Have the host supply only the command text and let the TUI keep the `To resume this session:` prefix.** Rejected: the TUI would retain resume vocabulary for a string it no longer understands, and meta mode proves the launcher is the only component that knows what the command should say.
**Let the TUI keep suppressing the line until the session is durably persisted.** Rejected: that check is why the exit path queried persistence and swallowed listing failures. A plain string cannot consult persistence, and misuse now fails loud through `agent-loop/config-start-failed` rather than silently resuming nothing.
**A callback (`goodbyeMessage(agent)`) so the host could decide at exit time.** Rejected: it restores async work after `ui.stop()`, reintroducing a hang risk during teardown for a string that is already knowable at boot.
## Consequences
- Removing two published `Config` keys is a breaking config change: a stale config naming either now fails schema validation at boot instead of degrading silently. Intended, and acceptable pre-release.
- `TuiResumeHost` is unchanged, but `TuiRuntime` gains `goodbyeMessage`; `apps/cli` is the only provider.
- The exit line prints even for a session with no log (launch, quit immediately). Using it then fails loud rather than starting a surprise session. This is the deliberate cost of dropping the persistence check.
- `dsh-tui` no longer reads `sessionPersistence` at all: `currentResumeCommand`, `listWorkspaceSessions`, and its swallowed-error path are deleted, and the `/resume` selector's `sessionQuery` reads are now the only session discovery in the TUI.
- The launcher mints session ids for its own app, so a non-CLI host that provides no slot keeps the bundle's own minting.
## Testing
`packages/ui/tui/tests/tui.spec.ts` pins the printed line, the absent-slot silence, and escape sanitization of a hostile message; the former two exit-suppression tests are replaced, since suppression is the behavior this change removes. `packages/core/agent-loop/tests/` drives the identity slot for the resume, launcher-minted, and no-slot cases.
The load-bearing coverage is `apps/cli/tests/tui-keyless-smoke.e2e.ts`, which launches the real `apps/cli/src/bin.ts` in a PTY: one test asserts the exit line carries `--config`, and a regression test seeds a personal `config.yaml` that replaces the entire `agent-loop` config block and asserts the line still prints — encoding "an overlay cannot drop resume" as an executed contract rather than a comment.
Verified live in tmux against the real personal overlay: the defect reproduced on unmodified staging (requested id ignored, fresh id in the banner), and on this branch the same overlay yields a printed exit line, a `--resume` that restores the prior turn, and a `/resume` selector marking the session `current · live · persisted`. A wrong id now fails loud.

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# Agent Note:由启动器持有的会话身份与退出行
Status: implemented
[English](2026-07-28-launcher-owned-resume-identity.md) | 中文
## Problem
有两项本应由启动器持有的事实,却被作为 TUI 应用组合包上的部署配置键交付:`resumeSessionId`(`main` 绑定到哪个会话)与 `resumeCommand`(退出提示的模板,其中 `{session}` 会被插值)。二者都不随部署而变——它们都是进程被如何调用的属性,而这一点只有启动器知道。
把它们经由 YAML 传递,使其可被静默丢弃。`@cordisjs/plugin-include` 施加定向补丁的方式是替换整个顶层键(`target[key] = value`),因此一份对 `tui-agent` 条目的 `config` 打补丁的个人 `~/.dsh/config.yaml`,会把交付时的整块内容整体替换掉。于是,一份为改动 provider 和 model 而写的用户 overlay,会删掉它未重述的每一个 resume 键,且没有任何东西报告这一点:缺失 `resumeCommand` 合法地意味着「未配置回退」。
两处失效在同一份真实的 overlay 中同时存在。退出提示不再打印,因为该 overlay 省略了 `resumeCommand`。更糟的是,该 overlay 带着 `resumeSessionId: !!js process.env.RESUME_SESSION_ID`——一行来自 [env 变量桥被移除](../../archived/architecture/2026-07-24-dsh-commander-argument-adapter.md)之前的陈旧代码——它用一次对某个无人设置的变量的读取,覆盖掉了交付时的 `!!js "typeof resumeSessionId === 'string' ? …"` 入口。此后 `dsh --resume <valid-id>` 会开启一个*全新*会话且什么都不说,并被直接复现:banner 显示的是一个新铸造的 id,而非所请求的那个。[`dsh meta`](../feature/2026-07-28-dsh-meta-source-workspace.md) note 曾把这次静默的 resume 记为一处无法解释的既有缺陷;而 overlay 的浅层替换正是其成因。
一个配置键无法安全地表达这些事实,因为部署方并非它们的权威。
## Decision
会话身份与退出行是由启动器持有的上下文槽位,在任何 Loader 条目挂载之前提供。二者都不出现在任何 `cordis.yml` 中,也不出现在任何插件的 `Config` 中。
这两个槽位与既有的 `tuiResumeHost` 宿主能力并列,后者确立了先例——resume 宿主一直是一项被提供的能力,而非配置。每个槽位都由消费它的包声明:
- `CONFIGURED_AGENT_IDENTITIES_KEY`(`dsh-agent-loop`)按所配置 agent 的 `id` 承载启动器身份,每项为一个 `LauncherAgentIdentity`(`{ id: SessionId, resume: boolean }`)。`agent-loop` 将匹配的身份覆盖到其所配置的 agent 上,替换两个身份键;并且仅当 `resume` 被置位时才走加载历史的 `resumeSessionId` 路径,因为该路径要求存在一份日志、否则会明确报错。槽位缺失则保留配置中的身份不变。`tui` 配置项通过自身的 `sessionId` 键解析同一个 id,因此前端入口渲染的正是被绑定的那个 agent。
- `TUI_GOODBYE_MESSAGE_KEY`(`dsh-tui`)承载退出时终端释放后打印一次的完整行。缺失则什么都不打印。
身份归属于 `agent-loop`,因为它才是创建所配置 agent 的插件;也因为 patch 会整体替换配置项的 `config`:重新指向 agent 配置项模型路由的 overlay 会抹掉启动器设置的身份键。参见[共享 base overlay note](../simplification/2026-07-29-shared-base-config-overlays.md)。
`apps/cli` 铸造或选定 id,并依据它所复现的那次调用构建该行,与 `/resume` 的 execve 移交共用同一个 `resumeArgs` 助手,从而使打印出的命令与原地移交不会分歧。该行现在会在传入了 `--config` 时命名它,并在 meta 模式下复现 `dsh meta --resume <id>`——从而收口了 `dsh meta` note 所推迟的随 mode 变化的提示,在那里被复制的提示此前只有在检出目录中才有效。
**`ctx.provide` 是从启动器 argv 进入被 Loader 挂载的插件的唯一通道。** 配置的 `!!js` 表达式会以 `with (entry.ctx) { eval(expr) }`(`vendor/loader/src/config/utils.ts`)求值,因此一个裸标识符会针对该条目的上下文解析,别无它物可达。于是只要应用 bundle 仍从 YAML 挂载,这个槽位就无法被移除;变化之处在于它现在是启动器↔应用之间的内部管线,而不再是一个配置作者必须正确接线的、有文档记载的键。
该消息是一个纯字符串,而非回调。这迫使启动器在启动前就知道 id,也正是铸造从应用 bundle 中移出的原因——并且它让退出在终端释放之后免于任何被 await 的工作。
TUI 持有渲染,而非措辞:它在自己的 `palette.muted` 之前先应用 `displayText`,因此一个恶意的 `--config` 路径无法把终端转义序列注入退出行。做净化意味着启动器无法嵌入自己的 ANSI。
## Alternatives considered
**保留这些键,并在应用组合包中加入内建默认值。** 拒绝:代码中的默认值能在 overlay 下存活,但表达同一事实的两种途径依然并存,而配置作者仍可把键设错——这正是那行陈旧的 `process.env.RESUME_SESSION_ID` 使 resume 失效的方式。
**把应用组合包合并进 `apps/cli` 并彻底删除该槽位。** 此处拒绝,但后来以本 note 未曾设想的形式[被采纳](../simplification/2026-07-29-shared-base-config-overlays.md):组合被搬进平铺的配置文件(`apps/cli/config/base.cordis.yml` 加各 surface 一份 overlay),而非搬进 CLI 代码,因此从未进入 `v8 ignore` 进程接线块,overlay 的扩展点也作为普通配置项 patch 保留了下来。槽位本身并未被删除——它迁移到了 `dsh-agent-loop`,因为启动器的事实依然不能经由一个可被整体替换的配置键传递。
**把 goodbye 消息放到 `TuiResumeHost` 上。** 拒绝:退出行不是一项移交能力,而一个无法替换自身进程的宿主仍可能想要打印一行。它们是相互独立的槽位。
**让宿主只提供命令文本,而由 TUI 保留 `To resume this session:` 前缀。** 拒绝:TUI 将为一个它已不再理解的字符串保留 resume 词汇,而 meta 模式证明启动器才是唯一知道该命令应当说什么的组件。
**让 TUI 继续在会话被持久化之前抑制该行。** 拒绝:这项检查正是退出路径要查询持久化并吞掉列举失败的原因。一个纯字符串无法查询持久化,而误用现在会经由 `agent-loop/config-start-failed` 明确报错,而不是静默地恢复了个空。
**用一个回调(`goodbyeMessage(agent)`)让宿主能在退出时决定。** 拒绝:它会在 `ui.stop()` 之后恢复异步工作,为一个在启动时就已可知的字符串,重新引入拆解期间的挂起风险。
## Consequences
- 移除两个已发布的 `Config` 键是一次破坏性配置变更:一份命名了任一键的陈旧配置,现在会在启动时的 schema 校验中明确报错,而不再静默降级。这是有意为之,且在预发布阶段可以接受。
- `TuiResumeHost` 保持不变,但 `TuiRuntime` 新增 `goodbyeMessage`;`apps/cli` 是唯一的提供方。
- 即便某会话没有日志(启动后立即退出),退出行也会打印。此时使用它会明确报错,而不是开启一个意外的会话。这是丢弃持久化检查的有意代价。
- `dsh-tui` 完全不再读取 `sessionPersistence`:`currentResumeCommand`、`listWorkspaceSessions` 及其吞错路径都被删除,`/resume` 选择器的 `sessionQuery` 读取如今是 TUI 中唯一的会话发现途径。
- 启动器为其自身的应用铸造会话 id,因此一个不提供任何槽位的非 CLI 宿主,仍保留 bundle 自带的铸造逻辑。
## Testing
`packages/ui/tui/tests/tui.spec.ts` 钉住打印出的行、槽位缺失时的静默,以及对恶意消息的转义净化;此前那两个退出抑制测试被替换,因为抑制正是本次改动移除的行为。`packages/core/agent-loop/tests/` 为 resume、启动器铸造与无槽位三种情形驱动身份槽位。
承重的覆盖是 `apps/cli/tests/tui-keyless-smoke.e2e.ts`,它在一个 PTY 中拉起真实的 `apps/cli/src/bin.ts`:一个测试断言退出行携带 `--config`,一个回归测试植入一份个人 `config.yaml` 来替换整块 `agent-loop` 配置块并断言该行仍会打印——把「overlay 不能丢掉 resume」编码为一条被执行的契约,而非一句注释。
在 tmux 中针对真实的个人 overlay 做过实测:该缺陷在未修改的 staging 上复现(所请求的 id 被忽略,banner 里是新的 id),而在本分支上同一份 overlay 会产出一行打印的退出行、一个能恢复上一轮次的 `--resume`,以及一个把该会话标记为 `current · live · persisted` 的 `/resume` 选择器。错误的 id 现在会明确报错。