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Author SHA1 Message Date
0e3b825a52 docs(joinir): Phase 81 design - Pattern2 ExitLine contract verification
Phase 81 SSOT 設計文書作成(P1 優先度)

Goal: Pattern2(DigitPos/Trim)promoted carriers の ExitLine 接続契約を堅牢化

Key sections:
- Background: Phase 74-80 完了後の ExitLine 契約不明確問題
- Invariants: CarrierRole discrimination, ExitLine reconnection timing
- Design: Verification-only strategy (no new features)
- Tasks:
  - 81-A: ExitLine Audit (analysis)
  - 81-B: E2E Tests (DigitPos + Trim)
  - 81-C: Contract Documentation
  - 81-D: Smoke Tests Verification

Acceptance criteria:
- 972/972 lib tests PASS (970 + 2 new E2E)
- tools/smokes/v2/run.sh --profile quick no regressions
- Contract documented

Out of scope: New features, architecture changes, Pattern3/4 work

Next: Task 81-A (ExitLine Audit)
Future: Phase 82 (P3/P4 後段 BindingId), Phase 83 (debug flag cleanup) - optional
2025-12-13 18:18:44 +09:00