No-Rework Migration Checklist (Kafka/MSK + ECS)
Document ID: GOS-80-CHAIN-NO-REWORK-CHECKLIST Version: 0.1.0 Status: DRAFT Owner Role: CHAIN_OFFICER Last Review Date: 2026-03-04 Next Review Date: 2026-04-04
Goal
Lock critical decisions now so migration from local/stage to AWS production does not require redesign.
Execution Board
Status legend: ⚪ TODO → 🟡 IN_PROGRESS → 🔴 BLOCKED / 🟢 DONE
| # | Workstream | Owner | Target Date | Status | |---|---|---|---|---| | 1 | Event Contract Freeze | CHAIN_OFFICER | 2026-03-04 | 🟢 DONE | | 2 | Partitioning and Ordering | LEDGER_ENGINEER | 2026-03-04 | 🟢 DONE | | 3 | Idempotency and Exactly-Once Boundaries | ORCHESTRATION_ENGINEER | 2026-03-09 | ⚪ TODO | | 4 | DLQ and Replay Discipline | SRE_LEAD | 2026-03-04 | 🟢 DONE | | 5 | Retry/Timeout Policy | ORCHESTRATION_ENGINEER | 2026-03-10 | ⚪ TODO | | 6 | Security and Secrets | SECURITY_OFFICER | 2026-03-10 | ⚪ TODO | | 7 | Observability Baseline | OBSERVABILITY_OWNER | 2026-03-11 | ⚪ TODO | | 8 | Deployment Safety | PLATFORM_ENGINEER | 2026-03-11 | ⚪ TODO | | 9 | Environment Parity | RELEASE_MANAGER | 2026-03-12 | ⚪ TODO | | 10 | Infrastructure as Code Lock-In | PLATFORM_ENGINEER | 2026-03-12 | 🔴 BLOCKED | | 11 | Governance and Change Control | GOVERNANCE_OFFICER | 2026-03-13 | ⚪ TODO | | 12 | Exit Criteria to Production | PROGRAM_OWNER | 2026-03-14 | ⚪ TODO |