refactor: remove unused subscription plans and router files

src/data/storage/auth/auth_storage.ts

@@ -75,9 +75,7 @@ export class AuthStorage implements IAuthStorage {
   }
 
   // ---- refresh token ----
-  // TODO(security): 升级到 HttpOnly Cookie 方案
-  // SECURITY: 明文存储，仅供本轮与 Dart 行为对齐
-
+  
   getRefreshToken(): Promise<ResultT<string | null>> {
     return SpAsyncUtil.getString(StorageKeys.refreshToken);
   }