feat: 俱乐部订单单向互通抢单（集团配置 + 接单池/抢单校验）

Co-authored-by: Cursor <cursoragent@cursor.com>

orders/views/dashou.py

@@ -124,8 +124,9 @@ class DashouDingdanHuoquView(APIView):
                 yonghuid, club_id=club_id,
             )
 
-            # 2. 构建基础查询条件
-            base_query = Q(Status__in=[1, 7])
+            # 2. 构建基础查询条件：本店待抢单 + 集团配置的单向互通店
+            from jituan.services.order_grab_share import order_club_q_for_grabber
+            base_query = Q(Status__in=[1, 7]) & order_club_q_for_grabber(club_id)
             if leixing_id is not None:
                 base_query &= Q(ProductTypeID=leixing_id)
 
@@ -469,6 +470,13 @@ class QiangdanView(APIView):
                     return Response({'code': 400, 'msg': order_result})
                 order = order_result
 
+                # 2.1 俱乐部互通：只能抢本店或已授权可抢的对方店订单
+                from jituan.services.club_context import resolve_effective_club_id
+                from jituan.services.order_grab_share import can_grabber_take_order_club
+                grabber_club = resolve_effective_club_id(request, request.user)
+                if not can_grabber_take_order_club(grabber_club, getattr(order, 'ClubID', None)):
+                    return Response({'code': 403, 'msg': '无权抢该俱乐部订单'})
+
                 validation_result = self._validate_order_requirements(order, dashou_profile, request.user.UserUID)
                 if not validation_result['success']:
                     return Response({'code': 400, 'msg': validation_result['message']})