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tomoaki 7030b110cb feat(phase143/r0): Contract SSOT extraction - loop-if-exit pattern refactoring

Phase 143 R0: Refactor P0 to prevent if-branch explosion in P1/P2

**Key Changes**:
- New: loop_if_exit_contract.rs (LoopIfExitShape, LoopIfExitThen, OutOfScopeReason)
- Contract SSOT for pattern shape detection and exit action discrimination
- Separated unit tests to tests/phase143_loop_if_exit_contract.rs (8 tests)
- Removed embedded tests from implementation file
- Updated module declarations for contract and test modules

**Benefits**:
- Enum-driven pattern discrimination (no if-branch explosion)
- P1 extension: Add Continue via 1 enum variant + 1 match arm
- P2 extension: Add else via contract fields (linear growth, not exponential)
- Improved maintainability and code discoverability

**Verification**:
- cargo check: ✅ 0 errors
- Unit tests: ✅ 8/8 passed
- Documentation: ✅ Updated 10-Now.md and 30-Backlog.md

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

2025-12-19 06:33:56 +09:00

llvm

feat(llvm): Phase 97 Box/Policy refactoring complete

2025-12-17 04:14:26 +09:00

main

feat(phase143/r0): Contract SSOT extraction - loop-if-exit pattern refactoring

2025-12-19 06:33:56 +09:00

self_current_task

phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0

2025-11-06 15:41:52 +09:00

selfhost

phase: 20.49 COMPLETE; 20.50 Flow+String minimal reps; 20.51 selfhost v0/v1 minimal (Option A/B); hv1-inline binop/unop/copy; docs + run_all + CURRENT_TASK -> 21.0