Summary:
- WorkflowStateManager with atomic write and backup rotation
- 90% test coverage (20 tests)
- 5 min execution time
State updates:
- Plan counter advanced to 3
- Progress: 67% (2/3 plans complete)
- Requirements marked complete: PIPE-02, REL-01
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
