feat: 组队招募（/zudui）+ 结单/自动结算/罚款挂钩

新增 Team 表与接口；进8强制锁、组队分账优先且失败不回退全额队长。

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

orders/urls_zudui.py

@@ -0,0 +1,20 @@
+from django.urls import path
+from orders.views.zudui import (
+    ZuduiKaqiView,
+    ZuduiGaiyaoqiuView,
+    ZuduiGuantingView,
+    ZuduiDatingView,
+    ZuduiXiangqingView,
+    ZuduiRuiduiView,
+    ZuduiWodeView,
+)
+
+urlpatterns = [
+    path('kaqi', ZuduiKaqiView.as_view()),
+    path('gaiyaoqiu', ZuduiGaiyaoqiuView.as_view()),
+    path('guanting', ZuduiGuantingView.as_view()),
+    path('dating', ZuduiDatingView.as_view()),
+    path('xiangqing', ZuduiXiangqingView.as_view()),
+    path('ruidui', ZuduiRuiduiView.as_view()),
+    path('wode', ZuduiWodeView.as_view()),
+]