resolve(all): answer Q02/Q03/Q06/Q07/Q12 with GLM-5.2+Lumen+DevOps lens
All 18 open questions now DECIDED. Key decisions:
- Q02: MS Entra → v0.2 (extraction discipline holds even with AI ease)
- Q03: Separate Flyway table ✅ (already implemented)
- Q06: Wire-version constant WIRE_VERSION=1 in envelope (implement W8/W9)
- Q07: Full Gitea Actions CI/CD (ci+release+Snyk+Renovate, test in W12)
- Q12: DB rows only v0.1, LoginEventSink SPI v0.2
Zero open questions remaining.