refactor: 清理遗留实体和无效代码
- 删除无数据库表的实体: UserDetail, UserAddress, PaymentOrder, Admin, AdminLoginLog, AdminOperationLog, Picture, Delivery
- 删除关联服务: AddressService, PaymentService, PaymentOrderService, PaymentRewardDispatcher, DefaultPaymentRewardHandler
- 删除关联接口: IAddressService, IPaymentService, IPaymentOrderService, IPaymentRewardHandler, IPaymentRewardDispatcher
- 删除关联控制器: AddressController
- 删除关联DTO: AddressModels, CreatePaymentOrderRequest, PaymentOrderDto, PaymentOrderQueryRequest
- 删除关联测试: PaymentOrderServicePropertyTests, PaymentRewardDispatcherPropertyTests
- 修复实体字段映射: User, UserLoginLog, UserRefreshToken, Config, OrderNotify
- 更新 NotifyController 移除 IPaymentOrderService 依赖
- 更新 ServiceModule 移除已删除服务的DI注册
- 更新 MiAssessmentDbContext 移除已删除实体的DbSet和OnModelCreating配置
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