- Add Cache-Control headers to admin GET endpoints (sections 60s, team 60s, bookings 30s, unread 15s, open-day 60s)
- Validate Open Day date is not in the past on both create (POST) and update (PUT)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- MC registrations: notification toggles (confirm/remind) with urgency
- Group bookings: save to DB from BookingModal, admin CRUD at /admin/bookings
- Open Day: full event system with schedule grid (halls × time), per-class
booking, discount pricing (30 BYN / 20 BYN from 3+), auto-cancel threshold
- Unified SignupModal replaces 3 separate forms — consistent fields
(name, phone, instagram, telegram), Instagram DM fallback on network error
- Centralized /admin/bookings page with 3 tabs (classes, MC, Open Day),
collapsible sections, notification toggles, filter chips
- Unread booking badge on sidebar + dashboard widget with per-type breakdown
- Pricing: contact hint (Instagram/Telegram/phone) on price & rental tabs,
admin toggle to show/hide
- DB migrations 5-7: group_bookings table, open_day tables, unified fields
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
