payment on hold

migrations/add_expires_at_to_pending_orders.sql

@@ -0,0 +1,7 @@
+-- Add expires_at column to pending_orders table for 10-minute reservation timeout
+ALTER TABLE `pending_orders` 
+ADD COLUMN `expires_at` datetime NOT NULL DEFAULT (DATE_ADD(NOW(), INTERVAL 10 MINUTE));
+
+-- Add index on expires_at for efficient cleanup queries
+CREATE INDEX `idx_expires_at` ON `pending_orders` (`expires_at`);
+