Add stock management, order notifications, webhooks, expiration cron, and billet type validation
- Decrement billet quantity after purchase in BilletOrderService::generateOrderTickets
- Block purchase when stock is exhausted (quantity <= 0) in OrderController::buildOrderItems
- Add organizer email notification on new order (order_notification_orga template)
- Add organizer email notification on cancel/refund (order_cancelled_orga template)
- Add ExpirePendingOrdersCommand (app:orders:expire-pending) cron every 5min via Ansible
- Cancels pending orders older than 30 minutes, restores stock, invalidates tickets
- Includes BilletBuyerRepository::findExpiredPending query method
- 3 unit tests covering: no expired orders, stock restoration, unlimited billets
- Add payment_intent.payment_failed webhook: cancels order, logs audit, emails buyer
- Add charge.refunded webhook: sets order to refunded, invalidates tickets, notifies orga and buyer
- Validate billet type (billet/reservation_brocante/vote) against organizer offer
- getAllowedBilletTypes: gratuit=billet only, basic/sur-mesure=all types
- Server-side validation in hydrateBilletFromRequest, UI filtering in templates
- Update TASK_CHECKUP.md: all Billetterie & Commandes items now complete
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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