fix: 二次迁移名额可列表展示，保存后跳转用户页

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

jituan/views_club_migrate.py

@@ -358,10 +358,16 @@ class ClubMigrateAdminView(APIView):
             from_uid = (request.data.get('from_uid') or '').strip()
             if not plan_id or not from_uid:
                 return Response({'code': 400, 'msg': '缺少 plan_id/from_uid'})
+            plan = ClubMigratePlan.query.filter(plan_id=plan_id).first()
+            if not plan:
+                return Response({'code': 404, 'msg': '计划不存在'})
             try:
                 extra = int(request.data.get('max_extra_times') or 1)
             except (TypeError, ValueError):
                 return Response({'code': 400, 'msg': 'max_extra_times 无效'})
+            user_info = migrate_svc.lookup_migrate_user_brief(from_uid)
+            if not user_info.get('exists'):
+                return Response({'code': 404, 'msg': f'用户不存在：{from_uid}'})
             row, _ = ClubMigrateUserQuota.query.get_or_create(
                 plan_id=plan_id,
                 from_uid=from_uid,
@@ -374,10 +380,27 @@ class ClubMigrateAdminView(APIView):
             return Response({
                 'code': 0,
                 'msg': '已设置二次名额',
+                'data': migrate_svc.serialize_user_quota(row, plan=plan, user_info=user_info),
+            })
+
+        if action == 'list_quota':
+            plan_id = (request.data.get('plan_id') or '').strip()
+            if not plan_id:
+                return Response({'code': 400, 'msg': '缺少 plan_id'})
+            plan = ClubMigratePlan.query.filter(plan_id=plan_id).first()
+            if not plan:
+                return Response({'code': 404, 'msg': '计划不存在'})
+            rows = list(
+                ClubMigrateUserQuota.query.filter(plan_id=plan_id).order_by('-id')[:200]
+            )
+            return Response({
+                'code': 0,
+                'msg': 'ok',
                 'data': {
-                    'plan_id': plan_id,
-                    'from_uid': from_uid,
-                    'max_extra_times': row.max_extra_times,
+                    'list': [
+                        migrate_svc.serialize_user_quota(r, plan=plan)
+                        for r in rows
+                    ],
                 },
             })