feat: 新增用车需求服务及线索管理全功能

- 新增后台用车服务配置模块，支持维护服务简介、优势与使用流程
- 新增需求线索管理页面，支持筛选、查看与更新用车线索状态
- 新增小程序用车需求页面，优化登录路径与回跳逻辑
- 优化车型卡片跳转与用车需求提交功能
- 新增服务端API与数据处理逻辑，完善权限校验
- 更新全站配置与API文档，新增相关测试用例

WonderQ-Admin/tests/test_api_contracts.py

@@ -366,6 +366,23 @@ def test_admin_login_returns_token_and_user():
             {"submitLabel": "提交出行需求", "destinationLabel": "目的地/玩法", "chips": [" 贵州 ", "", "黄果树"]},
             {"submitLabel": "提交出行需求", "destinationLabel": "目的地/玩法", "chips": ["贵州", "黄果树"]},
         ),
+        (
+            "vehicleService",
+            {
+                "introTitle": "旅游专属用车",
+                "intro": "提交需求后由管家联系确认。",
+                "serviceSections": [{"title": "包车", "description": "行程灵活"}],
+                "advantages": ["车型匹配", "服务省心"],
+                "processSteps": [{"title": "提交需求", "description": "填写日期和地点"}],
+            },
+            {
+                "introTitle": "旅游专属用车",
+                "intro": "提交需求后由管家联系确认。",
+                "serviceSections": [{"title": "包车", "description": "行程灵活"}],
+                "advantages": ["车型匹配", "服务省心"],
+                "processSteps": [{"title": "提交需求", "description": "填写日期和地点"}],
+            },
+        ),
     ],
 )
 def test_site_config_create_modules_defaults_fields_and_audits(module, payload, expected):
@@ -382,7 +399,7 @@ def test_site_config_create_modules_defaults_fields_and_audits(module, payload,
     for key, value in expected.items():
         assert body[key] == value
     assert body["isActive"] is True
-    if module == "demandForm":
+    if module in {"demandForm", "vehicleService"}:
         assert "sortOrder" not in body
     else:
         assert body["sortOrder"] == 5