Step F1：前端工程骨架 & 登录鉴权

frontend/src/api/auth.ts

@@ -0,0 +1,10 @@
+import type { AxiosResponse } from "axios";
+import api, { apiGet, apiPost } from "./axios";
+import type { UserMeResponse, LoginRequest, LoginResponse } from "../types/api";
+
+export const login = (payload: LoginRequest): Promise<AxiosResponse<LoginResponse>> =>
+  apiPost<LoginResponse>("/api/v1/auth/login", payload);
+
+export const fetchMe = (): Promise<AxiosResponse<UserMeResponse>> => apiGet<UserMeResponse>("/api/v1/auth/me");
+
+export default api;