feat: 打手赠送会员（免费接单）独立表与抢单资格

新增 dashou_zengsong_huiyuan，与购买会员分离；抢单/抢单池认赠送有效会员；后台送/改期/移除接口，送时积分非10则改为10并写操作日志。

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

backend/urls.py

@@ -14,7 +14,8 @@ from .view import (GetRolePermissionView,
     FineApplyView, PunishDashouView,
     FaKuanTongJiView, FaKuanLieBiaoView, FaKuanChuLiView, FaKuanChuangJianView, FaKuanPingTaiShenHeView,
     HqbkxxView,BkxgView,CaiwuView,CwhybkhqView, HybkjtsjView, SzxxView, CwddhqlxView, CwhqjtddsjView,
-    CwqtczhqView, KhpzhqView, ChzsgcView,KhgglView, ShgxgsjView, KhjlglView, KhjlczView, ZxkfghdsView)
+    CwqtczhqView, KhpzhqView, ChzsgcView,KhgglView, ShgxgsjView, KhjlglView, KhjlczView, ZxkfghdsView,
+    DashouGiftHuiyuanSaveView, DashouGiftHuiyuanRemoveView)
 from config.views import MiniappScriptHoutaiListView, MiniappScriptHoutaiModifyView
 from rank.reward_houtai_views import RankRewardHoutaiListView, RankRewardHoutaiSaveView, RankRewardHoutaiClaimsView
 
@@ -30,6 +31,8 @@ urlpatterns = [
     path('kefuhqdslb', KefuGetDashouListView.as_view(), name='客服获取打手数据'),
     path('kefuhqdsxq', KefuGetDashouDetailView.as_view(), name='客服获取打手具体信息'),
     path('kefuxgds', KefuUpdateDashouView.as_view(), name='客服修改打手数据'),
+    path('dszsonghy', DashouGiftHuiyuanSaveView.as_view(), name='打手赠送会员'),
+    path('dsycsonghy', DashouGiftHuiyuanRemoveView.as_view(), name='移除打手赠送会员'),
     path('hqsjgllb', KefuGetShangjiaListView.as_view(), name='后台获取商家列表'),
     path('hthqsjxq', KefuGetShangjiaDetailView.as_view(), name='后台获取商家详情'),
     path('xgsjxx', KefuUpdateShangjiaView.as_view(), name='后台修改商家数据'),