feat(order): 添加后台指派配送员时同步商城订单发货状态功能

- 在订单更新接口中添加配送员指派后的状态同步逻辑
- 新增 markShopOrderShippedAfterRiderAssigned 方法用于状态同步
- 实现后台指派配送员时自动将关联商城订单标记为已发货状态
- 添加相关业务方法注释说明使用场景和目的
- 确保配送员指派后订单状态的一致性同步

src/main/java/com/gxwebsoft/glt/controller/GltTicketOrderController.java

@@ -242,6 +242,13 @@ public class GltTicketOrderController extends BaseController {
     @PutMapping()
     public ApiResult<?> update(@RequestBody GltTicketOrder gltTicketOrder) {
         if (gltTicketOrderService.updateById(gltTicketOrder)) {
+            // 后台指派配送员（直接改 riderId）时，同步商城订单为“已发货”(deliveryStatus=20)
+            if (gltTicketOrder != null
+                    && gltTicketOrder.getId() != null
+                    && gltTicketOrder.getRiderId() != null
+                    && gltTicketOrder.getRiderId() > 0) {
+                gltTicketOrderService.markShopOrderShippedAfterRiderAssigned(gltTicketOrder.getId(), getTenantId());
+            }
             return success("修改成功");
         }
         return fail("修改失败");

src/main/java/com/gxwebsoft/glt/service/GltTicketOrderService.java

@@ -64,6 +64,13 @@ public interface GltTicketOrderService extends IService<GltTicketOrder> {
      */
     void accept(Integer id, Integer riderId, Integer tenantId);
 
+    /**
+     * 指派/接单成功后，同步关联商城订单发货状态为“已发货”(deliveryStatus=20)。
+     *
+     * <p>用于后台指派配送员（不走接单接口）等场景的状态兜底同步。</p>
+     */
+    void markShopOrderShippedAfterRiderAssigned(Integer ticketOrderId, Integer tenantId);
+
     /**
      * 配送员开始配送：10 -> 20，并写 sendStartTime。
      */

src/main/java/com/gxwebsoft/glt/service/impl/GltTicketOrderServiceImpl.java

@@ -244,6 +244,11 @@ public class GltTicketOrderServiceImpl extends ServiceImpl<GltTicketOrderMapper,
         throw new BusinessException("订单状态不允许接单");
     }
 
+    @Override
+    public void markShopOrderShippedAfterRiderAssigned(Integer ticketOrderId, Integer tenantId) {
+        updateShopOrderDeliveryStatusAfterAccept(ticketOrderId, tenantId, LocalDateTime.now());
+    }
+
     private void updateShopOrderDeliveryStatusAfterAccept(Integer ticketOrderId, Integer tenantId, LocalDateTime now) {
         if (ticketOrderId == null || tenantId == null) {
             return;