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refactor(tasks): declare-then-execute — ctx.tasks.start() replaces register()

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start({ kind, label, owner, run }) preflights everything that can fail
(the attachSurface fence, validation, the owner-cleanup attach) BEFORE
invoking the producer's run() starter, then commits atomically —
'work started but never got a collectable id' is now structurally
impossible instead of a producer try/catch rollback obligation (the
P1 review fix, rebuilt on #185's declare/execute split). Producers
lose their catch-wraps; the leak tests now pin the stronger property
that a failed preflight never spawns anything. TaskRegistration splits
into TaskStart (identity + run) and TaskHooks (cancel/done/readOutput);
docs, type-equiv manifest, catalogs, and both RFCs move with it.
This commit is contained in:
Yichen Jiang
2026-07-09 21:53:48 +08:00
parent f858c647a6
commit bd59fddacd
22 changed files with 281 additions and 240 deletions
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docs/core-data-structures/core.md
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@@ -21,7 +21,7 @@ Everything else is documented on a **sub-page**, not here. The rule that draws t
| [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 |
| [bash.md](bash.md) | the bash executor seam: `BashExecRequest`/`Spec`, `BashRunResult`, the background `BashProcess` handle |
| [tasks.md](tasks.md) | the background task runtime: `TaskId`, `TaskRegistration`, `TaskOutcome`, `TaskSnapshot`/`TaskRead`, owner isolation, the control-tool surface |
| [tasks.md](tasks.md) | the background task runtime: `TaskId`, `TaskStart`/`TaskHooks`, `TaskOutcome`, `TaskSnapshot`/`TaskRead`, owner isolation, the control-tool surface |
| [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` |
| [compaction.md](compaction.md) | the compaction seam: the `compact/*` session events, `CompactionResult`, the `CompactService` interface |