- Add private_event_reservations table with contact info fields
- Add status column to social_event_reservations (pending/confirmed/cancelled)
- Create /api/private-event-reservations CRUD endpoints
- Update social_event_reservations API to support guest submissions
- Add Reservations tab to Public Events admin section
- Add full reservation management UI for Private Events
- Support filtering by status (pending/confirmed/cancelled/all)
- Allow confirm/cancel/reactivate/delete actions