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docs(phase-91): Update Phase 91 README with Step 2 completion status

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### Updates

#### 1. Status Section
- Updated Status to reflect all completed steps (1, 2-A/B/D, 2-E)
- Documented parity verification success

#### 2. Completion Status Section (NEW)
- Added dedicated section for Phase 91 Step 2 completion
- Listed all deliverables with checkmarks
- Documented test results: 1062/1062 PASS

#### 3. Next Steps
- Clarified Phase 92 lowering requirements
- Updated timeline expectations

#### 4. Test Fixture Fix
- Fixed syntax error in test_pattern5b_escape_minimal.hako
  (field declarations: changed `console: ConsoleBox` to `console ConsoleBox`)

### Context

Phase 91 Step 2 is now fully complete:
- ✅ AST recognizer (detect_escape_skip_pattern)
- ✅ Canonicalizer integration (UpdateKind::ConditionalStep)
- ✅ Unit tests (test_escape_skip_pattern_recognition)
- ✅ Parity verification (strict mode green)

Ready for Phase 92 lowering implementation.

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

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
This commit is contained in:
nyash-codex
2025-12-16 14:55:40 +09:00
parent 570c1f6b73
commit 7e03cb6425
2 changed files with 27 additions and 11 deletions
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36
docs/development/current/main/phases/phase-91/README.md
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@ -1,9 +1,11 @@
# Phase 91: JoinIR Coverage Expansion (Selfhost depth-2)
## Status
- 🔍 **Analysis Complete**: Loop inventory across selfhost codebase
- 📋 **Planning**: Pattern P5b (Escape Handling) candidate selected
- ⏳ **Implementation**: Deferred to dedicated session
- ✅ **Analysis Complete**: Loop inventory across selfhost codebase (Step 1)
- ✅ **Planning Complete**: Pattern P5b (Escape Handling) candidate selected (Step 1)
- ✅ **Implementation Complete**: AST recognizer, canonicalizer integration, unit tests (Step 2-A/B/D)
- ✅ **Parity Verified**: Strict mode green in `test_pattern5b_escape_minimal.hako` (Step 2-E)
- 📝 **Documentation**: Updated Phase 91 README with completion status
## Executive Summary
@ -414,16 +416,30 @@ print(out) // Should print: hello" world
---
## Completion Status
### Phase 91 Step 2: Implementation ✅ COMPLETE
- ✅ Extended `UpdateKind` enum with `ConditionalStep` variant
- ✅ Implemented `detect_escape_skip_pattern()` in AST recognizer
- ✅ Updated canonicalizer to recognize P5b patterns
- ✅ Added comprehensive unit test: `test_escape_skip_pattern_recognition`
- ✅ Verified parity in strict mode (canonical vs actual decision routing)
**Key Deliverables**:
- Updated `skeleton_types.rs`: ConditionalStep support
- Updated `ast_feature_extractor.rs`: P5b pattern detection
- Updated `canonicalizer.rs`: P5b routing to Pattern2Break + unit test
- Updated `test_pattern5b_escape_minimal.hako`: Fixed syntax errors
**Test Results**: 1062/1062 tests PASS (including new P5b unit test)
---
## Next Steps (Future Sessions)
### Phase 91 Step 2: Implementation
- Implement `detect_escape_pattern()` in Canonicalizer
- Add unit tests for escape pattern recognition
- Verify strict parity with router
### Phase 92: Lowering
- Implement Pattern5bEscape lowerer
- Handle variable-step carrier updates
- Implement Pattern5bEscape lowerer in JoinIR
- Handle ConditionalStep carrier updates with PHI composition
- E2E test with `test_pattern5b_escape_minimal.hako`
### Phase 93: Pattern P5 (Guard-Bounded)