跑通consumer下单之后派单给delivery2

docs/sql/20_rls/delivery/ak_delivery_rls_v2.sql

@@ -11,7 +11,6 @@ ALTER TABLE public.ml_delivery_stations ENABLE ROW LEVEL SECURITY;
 
 -- 清理旧策略
 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;
 DROP POLICY IF EXISTS delivery_stations_select_active ON public.ml_delivery_stations;
 
@@ -30,20 +29,7 @@ CREATE POLICY delivery_staff_self_select
     )
   );
 
--- 2. 已登录用户仅可读取可派单的在线服务人员，用于自动派单
-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
-  );
-
--- 3. 执行人员本人可更新自己的在线状态等自有档案字段
+-- 2. 执行人员本人可更新自己的在线状态等自有档案字段
 CREATE POLICY delivery_staff_self_update
   ON public.ml_delivery_staff
   FOR UPDATE
@@ -67,11 +53,12 @@ CREATE POLICY delivery_staff_self_update
     )
   );
 
--- 4. 提货点/机构对前台保持只读，仅返回启用且未删除数据
+-- 3. 提货点/机构对前台保持只读，仅返回启用且未删除数据
 CREATE POLICY delivery_stations_select_active
   ON public.ml_delivery_stations
   FOR SELECT
   TO anon, authenticated
   USING (status = 1 AND deleted_at IS NULL);
 
+-- 4. 派单候选人读取统一走 SECURITY DEFINER RPC，不再开放公开可派单列表 RLS
 -- 5. 其余直连写操作默认不开放，管理端统一走 SECURITY DEFINER RPC