Files
deepseek-harness/packages
kingwl 1f38b211be Merge origin/master (generic task runtime #219, single-exe closure, package renames)
Semantic resolutions beyond line merges:
- The bash seam keeps resolveMode + the bash/resolve-mode waterfall on
  master's task-free BashExecutor (run/start/resolve only; BashProcess
  handles); tool-bash consults it at its stamping site and escalation
  baseline on master's render/background split, with a waterfall test on
  the recording executor.
- dsh-mode's BASH_FAMILY narrows to ['bash']: bash_output/bash_kill are
  replaced by the kind-generic task_output/task_kill, which span every
  task kind and only observe or stop work, so the access cap withholds
  only the starter it can reason about.
- The plan-mode snapshot suite adopts master's pin grammar (tool-schema
  sidecars; the expectedHeaderSnapshots extension is gone — the exit
  transition deltas, and entering-before-turn-1 needs no second
  snapshot); modes-advertise joins the plan header class (no-model, so
  membership is vacuous). Fixtures re-recorded on the acp-demo bin;
  the replay overlay gains the passthrough sandbox runner.
- examples/plan-acp-agent rewires to @deepseek-ai/dsh-acp-demo and drops
  its tool-bash entry (the spine bundle now composes it); dsh-stdio (the
  renamed stdio-chat home) keeps its /mode command and gains the dsh-mode
  peer edge; the acp bridge keeps the modes surface beside master's
  permission presets.
- mode README gains the Model Experience / Known Limitations sections the
  new README gates require; AGENTS.md ceiling 1370 → 1440 for the kept
  mode/ layout line and Agent efficiency section.
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Packages

Packages use the @deepseek-ai/dsh-* scope. Each is a Cordis Service subclass or function plugin; contributions use ctx.effect(), ctx.on(), or ctx.waterfall(). Authoring rules: package and root.

Hierarchy

Packages live at packages/<group>/<pkg>/; groups are containers, while names remain @deepseek-ai/dsh-<pkg>. Each group README is the canonical package/ctx-key map.

Group Role Release expectation
core/ Product API spine: session, system-prompt, tools, agent, and the concrete loop Product — stable surface
llm/ LLM capability family: the abstract service + provider adapters Product — stable surface
bash/ Bash capability family: the executor seam, a local impl, and the model-facing tool Product — stable surface
code-runtime/ Code-execution capability family: the abstract runtime seam for model-written programs + a worker-thread backend Product — stable surface
sandbox/ Process-confinement seam; bwrap/Landlock/Seatbelt backends Product — stable surface
fs/ Filesystem capability family: the abstract seam, a local impl, and the model-facing file tools Product — stable surface
skill/ Skill capability family: the provider registry, local provider, and model-facing catalog/loader Product — stable surface
compact/ Compaction capability family: the abstract seam + a basic backend (tool deferred) Product — stable surface
context/ Opt-in request-context enrichment Product — stable surface
subagent/ Subagent capability family: the provider-registry seam and the model-facing delegation tool Product — stable surface
tasks/ Generic background-task runtime and model-facing task_* control tools Product — stable surface
workflow/ Workflow capability family: the script-engine seam, the worker-thread engine, and the model-facing workflow tool Product — stable surface
web/ Web capability family: the abstract seam, search/fetch provider impls, and the model-facing web tools Product — stable surface
timeout/ Tool-call timeout policy: the tools/execute deadline enforcer Product — stable surface
todo/ Todo/planning family: the model-facing todo_write tool Product — stable surface
mode/ Session-mode policy family: plan mode as logged per-agent state with soft/hard enforcement Product — stable surface
guard/ Loop-hygiene guards: advisory repeat-call reminders Product — stable surface
cordis/ Self-referential runtime toolset: inspect the live runtime's plugins and services, mount/unmount model-written plugins (design) Product — stable surface
hooks/ Hook bridges + the shared Claude Code / Codex wire-protocol library Product — stable surface
session-persistence/ Persistence capability family: the seam + JSONL/SQLite backends Product — stable surface
session-query/ Session retrieval family: logical corpus, surface records, and bounded exact reads Product — stable surface
ui/ Editor/client integration surfaces: ACP bridge, JSON-RPC SDK server, user-approval/user-interaction seams, ask-user tool Product — stable surface
examples/ Demo bundles (agent-spine + stdio/ACP/JSON-RPC bins) the leaves load Support — example infra
support/ Support infrastructure (invariants, replay, Loader smokes) Support — lower compatibility expectations
util/ Low-level zero-dependency utilities shared across groups (the Branded<B> primitive) Support — small, stable, harness-dep-free

Groups distinguish product API from support infrastructure. New packages join an existing group; a new group updates its README and this table.

Dependencies

The inter-package dependency graph is generated: 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-spine-demo, 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).

Package READMEs cover purpose, APIs, extension points, and Model Experience unless on the model-agnostic omission allowlist. They also carry ## Known Limitations and Deferred Work or use its allowlist.