跑通consumer下单之后派单给delivery2

mall_sql/migrations/20260515_delivery_staff_v2_minimal.sql

@@ -79,7 +79,6 @@ ALTER TABLE public.ml_delivery_staff ENABLE ROW LEVEL SECURITY;
 ALTER TABLE public.ml_delivery_stations ENABLE ROW LEVEL SECURITY;
 
 DROP POLICY IF EXISTS delivery_staff_self_select ON public.ml_delivery_staff;
-DROP POLICY IF EXISTS delivery_staff_assignable_select ON public.ml_delivery_staff;
 DROP POLICY IF EXISTS delivery_staff_self_update ON public.ml_delivery_staff;
 CREATE POLICY delivery_staff_self_select
   ON public.ml_delivery_staff
@@ -95,18 +94,6 @@ CREATE POLICY delivery_staff_self_select
     )
   );
 
-CREATE POLICY delivery_staff_assignable_select
-  ON public.ml_delivery_staff
-  FOR SELECT
-  TO authenticated
-  USING (
-    deleted_at IS NULL
-    AND status = 1
-    AND COALESCE(is_active, true) = true
-    AND online_status = 'online'
-    AND uid IS NOT NULL
-  );
-
 CREATE POLICY delivery_staff_self_update
   ON public.ml_delivery_staff
   FOR UPDATE
@@ -149,4 +136,6 @@ COMMENT ON COLUMN public.ml_delivery_staff.deleted_by IS '软删除操作人';
 COMMENT ON COLUMN public.ml_delivery_stations.deleted_at IS '软删除时间';
 COMMENT ON COLUMN public.ml_delivery_stations.deleted_by IS '软删除操作人';
 
+-- 派单候选人读取统一走 SECURITY DEFINER RPC，避免公开在线人员列表。
+
 COMMIT;