- Add abacus_settings table with all display configuration fields
- Create API routes (GET/PATCH) for abacus settings
- Add React Query hooks with optimistic updates
- Create AbacusSettingsSync component to bridge localStorage and API
- Settings now persist server-side per guest/user session
- Maintains backward compatibility with existing localStorage pattern
Migration includes:
- Database schema for 12 abacus display settings
- Automatic migration generation and application
- API-driven persistence with guest session support
- Sync component loads from API on mount and saves changes automatically
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Thomas Hallock