feat(M10-A): 完成统一通知中心与投递闭环

backend/src/payments/wechat-payment-service.ts

@@ -443,7 +443,7 @@ export class WechatPaymentService {
     const [rows] = await connection.execute<RowDataPacket[]>(
       `SELECT user_id AS userId FROM qipai_order_user_access
        WHERE tenant_id = ? AND order_id = ? AND revoked_at IS NULL
-       ORDER BY id LIMIT 1`,
+       ORDER BY user_id LIMIT 1`,
       [tenantId, orderId]
     );
     return rows[0]?.userId ? String(rows[0].userId) : undefined;
@@ -523,6 +523,18 @@ export class WechatPaymentService {
           [tenantId, refund.orderId, payment.orderStatus, traceId,
             refund.id, refund.amountCents]
         );
+        await connection.execute(
+          `INSERT IGNORE INTO qipai_outbox_events
+            (tenant_id, aggregate_type, aggregate_id, event_type, idempotency_key, payload)
+           VALUES (?, 'ORDER', ?, 'ORDER_COMPLETE_REFUND', ?, JSON_OBJECT(
+             'storeId', ?, 'orderId', ?, 'customerId', (
+               SELECT user_id FROM qipai_order_user_access
+               WHERE tenant_id = ? AND order_id = ? ORDER BY user_id LIMIT 1
+             ), 'refundId', ?, 'amountCents', ?, 'status', 'REFUNDED'))`,
+          [tenantId, refund.orderId, `refund:${refund.id}:succeeded:notification`,
+            payment.storeId, refund.orderId, tenantId, refund.orderId,
+            refund.id, refund.amountCents]
+        );
       }
     });
   }