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jinyeandClaude Opus 5.5
51bf9c3666
* perf(managed-agent): take session commands off the tenant lock Fourteen Session commands no longer take the tenant placement guard: rename delivery claim, settle, abandon and retry; session mutation and parked rename settlement; cwd change completion; model and approval changes; context compression; task cancel; action response admission; and MCP and extension management checks. Each starts with a locking read of its Session row or root, uses a Session-scoped idempotency key or settles an existing row, checks the storage fence before creating work migration counts, and takes no guard later in its transaction. Rename and mutation admission (tenant scoped keys), Session creation and lifecycle keep the guard. Co-Authored-By: Claude Opus 5.5 <[email protected]> * perf(managed-agent): take rename and mutation admission off the tenant lock Rename and session mutation keys are tenant-scoped, so the tenant guard was what serialized two Sessions reusing one key. Admission no longer takes the guard: the receipt's unique key decides that race. A DuplicateKeyException on the receipt insert re-reads the winner with a locking read and answers idempotency_conflict for another Session or digest, as the serialized path did. The mutation replay probe becomes a nonlocking read for every kind, so admissions of different keys no longer gap-lock the tenant-shared receipt index and deadlock on insert without the guard. Co-Authored-By: Claude Opus 5.5 <[email protected]> * codex: address PR review feedback (#16225) --------- Co-authored-by: Claude Opus 5.5 <[email protected]>