merge: 合并 upstream/main 解决 PR #37 冲突

- 删除 backend/internal/model/account.go 符合重构方向
- 合并最新的项目结构重构
- 包含 SSE 格式解析修复
- 更新依赖和配置文件

backend/cmd/server/wire_gen.go

@@ -48,8 +48,8 @@ func initializeApplication(buildInfo handler.BuildInfo) (*Application, error) {
 	turnstileService := service.NewTurnstileService(settingService, turnstileVerifier)
 	emailQueueService := service.ProvideEmailQueueService(emailService)
 	authService := service.NewAuthService(userRepository, configConfig, settingService, emailService, turnstileService, emailQueueService)
-	authHandler := handler.NewAuthHandler(authService)
 	userService := service.NewUserService(userRepository)
+	authHandler := handler.NewAuthHandler(authService, userService)
 	userHandler := handler.NewUserHandler(userService)
 	apiKeyRepository := repository.NewApiKeyRepository(db)
 	groupRepository := repository.NewGroupRepository(db)