- Fix db.run monkey-patch return type to match sql.js signature
- Add .js extensions to all cross-module imports (node16 resolution)
- Add explicit types for callback parameters in test files
- Resolve PhaseProgressLogger type name mismatch
- All tests pass (46/46) and build succeeds
Skipped status/ artifacts (test runtime files)
- Add SequentialOrchestrator service for ordered phase execution, per-phase retry/backoff, and restart-safe checkpointing
- Persist phase attempt metadata (success/fail, attempts, timestamp, error)
- Expose importable callable interface
- Add full coverage unit tests for execution order, retry, checkpoint, and resume scenarios
- Update docs and README for usage and dev guidance
Paul Huliganga