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fix(agent-loop): scope blocked admission cleanup

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_Kerman
2026-07-31 14:35:58 +08:00
parent 12a48558f2
commit c2ff9ddec8
18 changed files with 162 additions and 51 deletions
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packages/core/agent/README.md
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@@ -52,7 +52,7 @@ The lifecycle edges have two important local caveats. `agent/created` runs after
Most interception points are cooperative waterfalls. Turn-scoped asynchronous seams receive one explicit `AbortSignal`, with `signal` immediately before a waterfall's final `next`; listeners may cooperate but must not retain it as authority over another turn. `agent/step` is the serial checkpoint before request derivation, while `agent/request-error` is the failed-model-request recovery waterfall: it receives request coordinates, normalized failure facts, the serving registration's retry policy when available, and the signal. A listener returns `{ kind: 'retry' }` without calling `next()` when it owns recovery. `agent/turn-stopping` runs before an otherwise completed turn closes. Ordinary queued prompts remain intact. The [explicit-cancellation decision](../../../.agents/notes/implemented/architecture/2026-07-16-explicit-turn-cancellation.md) owns signal lifetime; the [agent-scope runtime-design Agent Note](../../../.agents/notes/implemented/architecture/2026-07-12-agent-scope-runtime-design.md#three-execution-boundaries-are-deliberately-one-way) owns scoped dispatch and terminal settlement.
`PromptDecision.allow.messages` is the complete identified, frozen batch admitted by prompt interception. A listener that wraps a downstream allow preserves that batch unless it intentionally replaces it.
`PromptDecision.allow.messages` is the complete identified, frozen batch admitted by prompt interception. A listener that wraps a downstream allow preserves that batch unless it intentionally replaces it. A block must choose `discardClaimed`; this affects only the submitted batch, while messages not claimed by that admission remain pending.
Turn and step boundaries and the model token stream are durable `session/event` facts rather than mirrored `agent/*` notifications. Consumers read `turn/*`, `step/*`, and `assistant/chunk` from the session feed; tool policy and outcome observation belong to the complete pipeline documented by [`dsh-tools`](../tools/README.md).