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fix(scope): close remaining ownership boundaries

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Tianyi Cui
2026-07-12 03:51:55 +08:00
parent 3dca90261c
commit 36b8370027
79 changed files with 3957 additions and 817 deletions
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packages/subagent/subagent-inprocess/README.md
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@@ -8,7 +8,7 @@ The shared **in-process subagent run driver**. A library with no provider or imp
Runs a child as a child [`Agent`](../../core/agent) on the same cordis context (`ctx.agents`):
1. snapshots the accepted request before asynchronous owner setup: the parent and signal remain identity capabilities but are never reread from the caller-owned record; tool filter, seed, agent options, output schema, and prompt are detached. It computes child depth = `depthOf(parent) + 1` and rejects `request.maxDepth` overflow with `SubagentDepthError`; `outputSchema` is asserted before cloning so a hostile value fails as `OutputSchemaError`, while the prompt passes the session log's lossless-JSON check before and after cloning;
1. reads every public request and seed field once before asynchronous owner setup: the parent and signal remain identity capabilities, while tool filter, seed, agent options, output schema, and prompt are each materialized by the shared one-pass lossless-JSON snapshot. It computes child depth = `depthOf(parent) + 1`, rejects `request.maxDepth` overflow with `SubagentDepthError`, reports an invalid schema as `OutputSchemaError`, and derives both the child prefix and `seedLength` from the same detached seed;
2. first installs provider ownership, then attaches the request abort listener and creates one run-owner Cordis fiber under `parent.ctx`; an already-unloading provider therefore leaves no child or orphaned listener. Async child creation goes through that fiber's `ctx.agents` service with fresh IDs, lineage/seed, inherited model, and an unpublished setup transaction for persona, tool restriction, and structured output. Parent teardown, provider teardown, and manual `run.dispose()` all dispose this exact node, preventing publication after it becomes inactive and awaiting the same quiescence boundary. `startInProcessRun` still returns its `SubagentRun` immediately: `run.started` resolves only after `ctx.agents.create()` has published the child (and rejects if publication never happens), while cancellation during creation is recorded and applied when a child exists;
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).