docs(jobs): Phase 8/9/10 cutover runbook
Documents:
- Phase 8: 5-day E2E test plan on entech-clone (snapshot, migration,
audits, smoke tests, rollback test, sign-off criteria)
- Phase 9: Cutover weekend runbook (Friday 6pm stop → Sunday buffer
→ Monday 7am operators back). 4 hours active work.
- Phase 10: 2-week burn-in monitoring + rollback safety net + Day
14 snapshot drop. Bridge_mrp deprecation options.
- Phase-end polish task list (deferred Minor items from Phase 1-7
reviews + the Phase 6 operator UI rewrite).
- Communication templates (operator email, manager briefing).
- Open decisions for user before Phase 9 starts.
- File checklist confirming all Phase 1-7 deliverables present.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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