Add family code system allowing multiple parents to access the same child's
practice data. This is the foundation for the Suzuki Triangle model where
both parents can supervise daily practice.
Key features:
- Family codes (FAM-XXXXXX) per student for sharing access
- FamilyCodeDisplay modal for viewing/copying/regenerating codes
- LinkChildForm modal for linking to existing child via code
- parent_child junction table for many-to-many relationships
- React Query mutations with proper cache invalidation
API routes:
- GET/POST /api/family/children/[playerId]/code - manage family codes
- POST /api/family/link - link to child via family code
- GET /api/family/children - list linked children
Also includes classroom system foundation (Phase 1):
- Classroom, enrollment, and presence schemas
- Teacher classroom management APIs
- Student enrollment request workflow
- Real-time presence tracking infrastructure
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
