- 19-01-SUMMARY.md: service layer implementation with rollback pattern - STATE.md: progress 98%, decisions added, session updated - ROADMAP.md: phase 19 in-progress (1/2 plans) - REQUIREMENTS.md: APPREG-02, APPREG-03, APPREG-06 marked complete
- 19-01-SUMMARY.md: service layer implementation with rollback pattern - STATE.md: progress 98%, decisions added, session updated - ROADMAP.md: phase 19 in-progress (1/2 plans) - REQUIREMENTS.md: APPREG-02, APPREG-03, APPREG-06 marked complete