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feat(tasks): background task runtime, generic task_* control tools, bash/subagent producers

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One shared ctx.tasks registry (branded <kind>-N ids, owner-fenced
read/kill/wait/list, attachSurface misconfiguration fence, reported-flag
notice dedup, atomic register) + dsh-tool-tasks (task_output/task_list/
task_kill, completion-notice injection, background prompt habit).
Producers opt in via their own enableRunInBackground config: bash
(stream kind; seam slimmed to resolve/run/start returning a BashProcess
handle, bash_output/bash_kill deleted) and subagent (final-output kind;
done settles after run.dispose()). Owner disposal drains tasks through
the new awaited ctx.agents.onCleanup seam in the loop's disposal chain.
Both RFCs moved to implemented/; docs, catalogs, snapshots re-pinned.
This commit is contained in:
Yichen Jiang
2026-07-09 21:22:54 +08:00
parent e7e382f9d1
commit 184e164091
83 changed files with 3909 additions and 1627 deletions
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packages/subagent/subagent/README.md
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@@ -38,6 +38,6 @@ The service also announces provider lifecycle: `subagent/provider-added` (the li
## Scope (first cut)
The consumer collects **synchronously**: it starts a run and awaits `result`. Steering (`sendMessage`) is part of the contract but intentionally unused. Background / poll / spill semantics are deferred to a future redesign unifying long-running-tool handling across subagents and bash. See the RFC: [docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md](../../../docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md).
The consumer collects **synchronously by default**: it starts a run and awaits `result`. Background delegation does not change this seam — the consumer registers the run with the generic `ctx.tasks` runtime and the run is collected through the shared task tools ([the background subagent tasks RFC](../../../docs/rfc/implemented/feature/2026-07-08-background-subagent-tasks.md)). Steering (`sendMessage`) is part of the contract but intentionally unused. See the seam RFC: [docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md](../../../docs/rfc/implemented/feature/2026-06-21-subagent-capability-seam.md).
See `src/types.ts` for the full contracts.