feat(order): complete 7.1 order full lifecycle state transitions, 15m/30m/48h auto-timeouts, expert reject/apply-complete, and partial refund arbitration

server/src/db/mysql.ts

@@ -128,7 +128,10 @@ export async function initDatabase(): Promise<void> {
       "ALTER TABLE orders ADD COLUMN verify_code VARCHAR(8) AFTER location",
       "ALTER TABLE orders ADD COLUMN remark VARCHAR(255) AFTER verify_code",
       "ALTER TABLE orders ADD COLUMN pay_type VARCHAR(32) DEFAULT 'WECHAT' AFTER status",
-      "ALTER TABLE orders ADD COLUMN coupon_discount DECIMAL(10,2) DEFAULT 0.00 AFTER amount"
+      "ALTER TABLE orders ADD COLUMN coupon_discount DECIMAL(10,2) DEFAULT 0.00 AFTER amount",
+      "ALTER TABLE orders ADD COLUMN paid_at DATETIME NULL AFTER created_at",
+      "ALTER TABLE orders ADD COLUMN finish_applied_at DATETIME NULL AFTER paid_at",
+      "ALTER TABLE orders ADD COLUMN refund_amount DECIMAL(10,2) DEFAULT 0.00 AFTER coupon_discount"
     ];
     for (const colSql of extraOrderCols) {
       try {