Secure API endpoints with requireBookingManager authorization check
Update confirmation page to prompt for login if unauthorized
Add safe redirect handling to login and guest middleware
Add API endpoint to revert confirmed bookings to pending status
Add unconfirm buttons to the bookings list and confirmation page
Update inventory summary when a confirmation is cancelled
Add database tables and repository for managing bookings
Create API endpoints for booking submission and capacity management
Update landing page to persist bookings before WhatsApp redirection