code refactor

src/models/auth_response.ts

@@ -1,13 +1,13 @@
 import type { UserBasicInfo } from './user.ts';
 
 export interface AuthResponse {
-    token: string;
-    need2FA: boolean;
-    user?: UserBasicInfo;
-    notificationContent?: string;
+    readonly token: string;
+    readonly need2FA: boolean;
+    readonly user?: UserBasicInfo;
+    readonly notificationContent?: string;
 }
 
 export interface RegisterResponse extends AuthResponse {
-    needVerifyEmail: boolean;
-    presetCategoriesSaved: boolean;
+    readonly needVerifyEmail: boolean;
+    readonly presetCategoriesSaved: boolean;
 }