Data Schema and Storage #3
Description
Description\nAs a system developer, I want to store and manage the state of synchronized items, so that we can track relationships and history between systems.\n\n## Acceptance Criteria\n- [ ] Database schema supports all required entity relationships
- Story data model captures all necessary fields from both systems
- Synchronization history is properly recorded
- Database queries are optimized for common access patterns
- Data validation ensures integrity across systems\n\n## Tasks\n- [ ] Design and implement database schema (1d)
- Create data models for stories and relationships (1d)
- Implement data access layer with ORM (1d)
- Build data validation and integrity checks (0.5d)
- Create indexes for performance optimization (0.5d)\n\n## Details\n- Key: US-1.4\n- Story Points: 5\n- Priority: High\n- Epic: Integration Layer Foundation\n- Sprint: Sprint 1: Foundation