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Production promotion gate stale

Symptom​

The orchestrator reports ticket stale: subject_sha mismatch on a PRODUCTION_PROMOTION gate.

Resolution​

  1. Confirm the head SHA: git rev-parse origin/main.
  2. Compare with the ticket's subject_sha.
  3. If they differ, re-issue the ticket at the new head.
  4. Re-sign and re-submit.

See Playbooks → Handle stale production subject.