增加了版本号系统

web/frontend/src/api/app.ts

@@ -0,0 +1,6 @@
+import api from './client';
+import type { AppInfo } from './types';
+
+export const appApi = {
+  info: () => api.get<AppInfo, AppInfo>('/app-info'),
+};

web/frontend/src/api/modules.ts

@@ -1,5 +1,6 @@
 export * from './types';
 export { accountApi } from './accounts';
+export { appApi } from './app';
 export { authApi } from './auth';
 export { cookieApi } from './cookies';
 export { loginApi } from './login';

web/frontend/src/api/types.ts

@@ -13,6 +13,10 @@ export interface MessageDeletedResponse extends MessageResponse {
   deleted: number;
 }
 
+export interface AppInfo {
+  version: string;
+}
+
 // ==================== Auth ====================
 
 export interface LoginResult {