- Implement RoadmapStore with CRUD operations for roadmaps, milestones, and features
- Add roadmap schema migration v32 with roadmaps, roadmap_milestones, and roadmap_features tables
- Add covering indexes for deterministic ordering within roadmaps and milestones
- Wire RoadmapStore access via TaskStore.getRoadmapStore()
- Update architecture.md documentation with RoadmapStore persistence
- Add comprehensive tests for RoadmapStore CRUD and ordering
- Update db.test.ts with schema v32 assertions
- Add UpdateInput type imports to task-documents.test.ts
- Export RoadmapStore from core index.ts
e8fbac5509