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/app/models.py

@@ -85,6 +85,20 @@ class VehicleOption(Base):
     updatedAt: Mapped[datetime] = mapped_column(DateTime, default=utc_now, onupdate=utc_now, nullable=False)
 
 
+class VehicleServiceConfig(Base):
+    __tablename__ = "VehicleServiceConfig"
+
+    id: Mapped[str] = mapped_column(String, primary_key=True, default=new_id)
+    introTitle: Mapped[str] = mapped_column(String, nullable=False)
+    intro: Mapped[str] = mapped_column(Text, nullable=False)
+    serviceSections: Mapped[list[dict[str, str]]] = mapped_column(JSONB, default=list, nullable=False)
+    advantages: Mapped[list[str]] = mapped_column(JSONB, default=list, nullable=False)
+    processSteps: Mapped[list[dict[str, str]]] = mapped_column(JSONB, default=list, nullable=False)
+    isActive: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
+    createdAt: Mapped[datetime] = mapped_column(DateTime, default=utc_now, nullable=False)
+    updatedAt: Mapped[datetime] = mapped_column(DateTime, default=utc_now, onupdate=utc_now, nullable=False)
+
+
 class HomeExperience(Base):
     __tablename__ = "HomeExperience"
 
@@ -275,6 +289,9 @@ class Lead(Base):
     __tablename__ = "Lead"
 
     id: Mapped[str] = mapped_column(String, primary_key=True, default=new_id)
+    leadType: Mapped[str] = mapped_column(String, default="general", nullable=False, index=True)
+    contactName: Mapped[str | None] = mapped_column(String)
+    customerId: Mapped[str | None] = mapped_column(String, ForeignKey("Customer.id", ondelete="SET NULL"), index=True)
     destination: Mapped[str | None] = mapped_column(String)
     phone: Mapped[str] = mapped_column(String, nullable=False)
     travelDate: Mapped[datetime | None] = mapped_column(DateTime)
@@ -282,6 +299,7 @@ class Lead(Base):
     budgetMin: Mapped[int | None] = mapped_column(Integer)
     budgetMax: Mapped[int | None] = mapped_column(Integer)
     note: Mapped[str | None] = mapped_column(Text)
+    vehicleDemand: Mapped[dict | None] = mapped_column(JSONB)
     sourcePage: Mapped[str | None] = mapped_column(String)
     status: Mapped[str] = mapped_column(String, default="new", nullable=False)
     assignedUserId: Mapped[str | None] = mapped_column(String, ForeignKey("AdminUser.id", ondelete="SET NULL"))