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feat(tools): require cancellation signal on every invocation

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Tianyi Cui
2026-07-19 23:38:54 +08:00
parent a99750f341
commit e8b95c8754
77 changed files with 1129 additions and 446 deletions
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docs/architecture.md
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@@ -116,7 +116,7 @@ Tool-time context—including async `agent.inject()` notices and post-tool `addi
The turn is the containment boundary. Final adapter-path and terminal in-band failures close the step before `agent/request-error`; retry opens a numbered step; otherwise, the provider error survives. Attempts reset on success.
Other failures use `agent/error`. Cancellation and disposal beat recovery; undispatched model tool calls receive synthetic `tool/call` and `ABORTED` result pairs before `turn/end`. `cancel()` clears queues and aborts active work; disposal awaits quiescence before unregistering.
Other failures use `agent/error`. Cancellation and disposal beat recovery; undispatched model tool calls receive synthetic `tool/call` and `ABORTED_BEFORE_DISPATCH` result pairs before `turn/end`. `cancel()` clears queues and aborts active work; disposal awaits quiescence before unregistering.
Every session event is turn-enclosed. Reloading preserves an interrupted tail and closes it with a synthetic `interrupted` turn end. Failures after durable turn close report only through `agent/error` because no safe in-turn position remains. Each turn has one `TurnEndReason`; [TurnEndReasonMap](core-data-structures/session.md#why-a-turn-ended-turnendreasonmap) owns the variants.