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25644d97177ba05ab54d190a068fef8563c7fb8a
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4 Commits

Author SHA1 Message Date
Steve Yegge
25644d9717 Cache compiled regexes in ID replacement for 1.9x performance boost 
Implements bd-27: Cache compiled regexes in replaceIDReferences for performance

Problem:
replaceIDReferences() was compiling regex patterns on every call. With 100
issues and 10 ID mappings, that resulted in 4,000 regex compilations (100
issues × 4 text fields × 10 ID mappings).

Solution:
- Added buildReplacementCache() to pre-compile all regexes once
- Added replaceIDReferencesWithCache() to reuse compiled regexes
- Updated updateReferences() to build cache once and reuse for all issues
- Kept replaceIDReferences() for backward compatibility (calls cached version)

Performance Results (from benchmarks):
Single text:
- 1.33x faster (26,162 ns → 19,641 ns)
- 68% less memory (25,769 B → 8,241 B)
- 80% fewer allocations (278 → 55)

Real-world (400 texts, 10 mappings):
- 1.89x faster (5.1ms → 2.7ms)
- 90% less memory (7.7 MB → 0.8 MB)
- 86% fewer allocations (104,112 → 14,801)

Tests:
- All existing tests pass
- Added 3 benchmark tests demonstrating improvements

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-10-13 23:50:48 -07:00
Steve Yegge
183ded4096 Add collision resolution with automatic ID remapping 
Implements --resolve-collisions flag for import command to safely handle ID
collisions during branch merges. When enabled, colliding issues are remapped
to new IDs and all text references and dependencies are automatically updated.

Also adds comprehensive tests, branch-merge example, and documentation.

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-10-12 17:13:09 -07:00
Steve Yegge
42e3bb315d Implement reference scoring algorithm (bd-13) 
Add reference scoring to prioritize which colliding issues should be
renumbered during collision resolution. Issues with fewer references
are renumbered first to minimize total update work.

Changes to collision.go:
- Add ReferenceScore field to CollisionDetail
- scoreCollisions() calculates scores and sorts collisions ascending
- countReferences() counts text mentions + dependency references
- Uses word-boundary regex (\b) to match exact IDs (bd-10 not bd-100)

New tests in collision_test.go:
- TestCountReferences: validates reference counting logic
- TestScoreCollisions: verifies scoring and sorting behavior
- TestCountReferencesWordBoundary: ensures exact ID matching

Reference score = text mentions (desc/design/notes/criteria) + deps
Sort order: fewest references first (minimizes renumbering impact)

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-10-12 16:27:05 -07:00
Steve Yegge
b065b32a51 Implement collision detection for import (bd-12) 
Add collision detection infrastructure to identify conflicts during
JSONL import when branches diverge and create issues with the same ID.

New files:
- internal/storage/sqlite/collision.go: Core collision detection logic
  - detectCollisions() categorizes issues as exact matches, collisions, or new
  - compareIssues() identifies which fields differ between issues
  - CollisionDetail provides detailed collision reporting

- internal/storage/sqlite/collision_test.go: Comprehensive test suite
  - Tests exact matches, new issues, and various collision scenarios
  - Tests multi-field conflicts and edge cases
  - All tests passing

This lays the foundation for bd-13 through bd-17 (reference scoring,
ID remapping, CLI flags, and documentation).

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

Co-Authored-By: Claude <noreply@anthropic.com>
 2025-10-12 16:22:44 -07:00