refactor(dto): move app models into dto layer

src/stores/auth/auth-actors.ts

@@ -4,7 +4,7 @@
 import { fromPromise } from "xstate";
 
 import { AuthPlatform, type AuthProvider } from "@/lib/auth/auth_platform";
-import type { LoginStatus } from "@/models/auth/login-status";
+import type { LoginStatus } from "@/data/dto/auth";
 import { authRepository } from "@/data/repositories/auth_repository";
 import type { IAuthRepository } from "@/data/repositories/interfaces";
 import { AuthStorage } from "@/data/storage/auth/auth_storage";

src/stores/auth/auth-events.ts

@@ -4,8 +4,7 @@
  * 事件名与原 Dart AuthEvent 对齐。
  */
 import type { AuthProvider } from "@/lib/auth/auth_platform";
-import type { AuthMode } from "@/models/auth/auth-mode";
-import type { AuthPanelMode } from "@/models/auth/auth-panel-mode";
+import type { AuthMode, AuthPanelMode } from "@/data/dto/auth";
 
 export type AuthEvent =
   // 内部 UI 事件

src/stores/auth/auth-state.ts

@@ -1,9 +1,7 @@
 /**
  * Auth 状态机：State 形状 + 初始值
  */
-import type { AuthMode } from "@/models/auth/auth-mode";
-import type { AuthPanelMode } from "@/models/auth/auth-panel-mode";
-import type { LoginStatus } from "@/models/auth/login-status";
+import type { AuthMode, AuthPanelMode, LoginStatus } from "@/data/dto/auth";
 
 export interface AuthState {
   /** 当前面板模式（Facebook / Email） */