Phil Skentelbery
9a805ec316
Implement automatic database migration system
Following design in ADR-020, implementation guidance, and quick reference.
Phase 1: Migration System Core (starpunk/migrations.py)
- Create migration runner with fresh database detection
- Implement is_schema_current() heuristic for fresh DB detection
- Add helper functions (table_exists, column_exists, index_exists)
- Complete error handling with MigrationError exception
- 315 lines of production code
Phase 2: Database Integration (starpunk/database.py)
- Modify init_db() to call run_migrations()
- Add logger parameter handling
- 5 lines changed for integration
Phase 3: Comprehensive Testing (tests/test_migrations.py)
- 26 tests covering all scenarios (100% pass rate)
- Tests for fresh DB, legacy DB, helpers, error handling
- Integration test with actual migration file
- 560 lines of test code
Phase 4: Version and Documentation
- Bump version to 0.9.0 (MINOR increment per versioning strategy)
- Update CHANGELOG.md with comprehensive v0.9.0 entry
- Create implementation report documenting all details
Features:
- Fresh database detection prevents unnecessary migrations
- Legacy database detection applies pending migrations automatically
- Migration tracking table records all applied migrations
- Idempotent execution safe for multiple runs
- Fail-safe: app won't start if migrations fail
- Container deployments now fully automatic
Testing:
- All 26 migration tests passing (100%)
- Fresh database scenario verified (auto-skip)
- Legacy database scenario verified (migrations applied)
- Idempotent behavior confirmed
Documentation:
- Implementation report in docs/reports/
- CHANGELOG.md updated with v0.9.0 entry
- All architecture decisions from ADR-020 implemented
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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