- POST /v1/catalog/bookings/{id}/cancel lets businesses cancel
tenant-owned bookings; two-step confirm in the detail modal
- Shared PromoteWaitlist helper promotes earliest waitlisted bookings
when a class seat frees, on both dashboard and customer cancel paths;
promoted customers get a confirmation email, waitlist ledger marked
resolved
- waitlisted status surfaced in bookings UI: stats card, filter, warning
badge, demo seed, CS+EN strings
- BookingRecord gains created_at for fair ordering; GetBookingByID and
ResolveWaitlistEntry added to the repository surface
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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
