docs(subagent): close review contract gaps

This commit is contained in:
Tianyi Cui
2026-07-20 18:10:31 +08:00
parent 75e98d6974
commit ff6359a0cd
5 changed files with 7 additions and 6 deletions

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@@ -59,7 +59,7 @@ The shipped loop drains work from prompt through checkpoint. Every pause is a se
A **session** is an append-only event log. A **turn** drains queued input until the model stops asking for tools and no plugin requests continuation. A **step** is one model request plus the tool executions caused by that response. In the flow below ([sequence companion](agent-lifecycle.md)), quoted names are durable session events and event names are extension points.
Startup resolves identity. No id mints `<config-id>-session-<uuid>`; `sessionId` resumes or creates; `resumeSessionId` requires history. Active failures emit `agent-loop/config-start-failed(sessionId, error)`, so front doors reject work; teardown stays silent.
Startup resolves identity. No id mints `<config-id>-session-<uuid>`; `sessionId` resumes or creates; `resumeSessionId` requires history. Resume reconstructs durable session metadata before publication, so lineage, seed boundaries, and delegation depth survive restart. Active failures emit `agent-loop/config-start-failed(sessionId, error)`, so front doors reject work; teardown stays silent.
### Turn Flow

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@@ -718,9 +718,9 @@ Persistence is intentionally not implemented here — persistence plugins subscr
* Create a session owned by the calling fiber: disposing that fiber stops
* event notification and removes the session from the store. `options.seed`
* populates the session with a copy of those events (replay/fork);
* `options.meta` attaches creation metadata (validated absolute `cwd`,
* `parentSession` lineage) as the immutable {@link SessionHeader} (the store
* fills `version`/`id`/`createdAt`).
* `options.meta` attaches creation metadata (validated absolute `cwd`, seed
* and parent lineage, and delegation depth) as the immutable
* {@link SessionHeader} (the store fills `version`/`id`/`createdAt`).
*
* For an agent whose session must be torn down IN ORDER with its loop (so the
* loop's final flush is captured before the store attachment ends), do NOT use this