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Author SHA1 Message Date
4ab6c4e6b3 docs(joinir): Phase 77 - BindingId expansion plan
Phase 77 design finalizes BindingId infrastructure migration with comprehensive
implementation roadmap. Three design documents outline expansion of promoted_bindings
tracking to Pattern3/4 and legacy code deprecation strategy.

Documents:
- phase77-expansion-completion.md: Architecture overview + 5 implementation tasks
- PHASE_77_IMPLEMENTATION_GUIDE.md: Step-by-step code changes with exact locations
- PHASE_77_EXECUTIVE_SUMMARY.md: Impact analysis and success metrics

Key decisions:
- DigitPosPromoter/TrimLoopHelper populate promoted_bindings
- Pattern3/4 use BindingId priority in variable resolution
- 3-phase deletion strategy (Deprecate→Require→Delete)
- Dev-only feature gate preserves zero production impact

Phase 77 implementation: ~2-3 hours (5 tasks: promoters + patterns + legacy + tests)

🤖 Generated with Claude Code

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2025-12-13 05:35:35 +09:00