- Add BulkRoomModal: set number range (from→to), category, bed type,
max guests, base rate, amenities; auto-derives floor from room number;
preview shows new vs skipped (already existing) rooms
- Add category filter chips on Rooms page (alongside existing floor filter)
- Add "Групповое добавление" button next to "Добавить номер"
- Wire onDelete prop to RoomModal on rooms page
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
