feat: 完善平台总后台模块

frontend/platform_admin/src/api/auth.ts

@@ -0,0 +1,12 @@
+import { request } from './http';
+
+/** 平台登录和当前账号资料的接口模型。 */
+export type LoginData = { username: string; password: string };
+export type LoginReply = { access_token: string; token_type: string; identity: string; display_name: string; role_code: string };
+export type Profile = { identity: string; username: string; display_name: string; avatar: string; role_code: string };
+
+export const authApi = {
+  login: (data: LoginData) => request<LoginReply>('/auth/login', { method: 'POST', body: JSON.stringify(data) }),
+  profile: () => request<Profile>('/auth/profile'),
+  changePassword: (currentPassword: string, newPassword: string) => request<{ changed: boolean }>('/auth/password', { method: 'PUT', body: JSON.stringify({ current_password: currentPassword, new_password: newPassword }) }),
+};