feat: 新增 AI 辅助，重构登录页与环境变量命名

src/utils/token-refresh.ts

@@ -0,0 +1,81 @@
+import type { AxiosError, AxiosInstance, InternalAxiosRequestConfig } from "axios";
+
+import { ApiCodeEnum } from "@/enums/api";
+import { useUserStoreHook } from "@/stores/user";
+import { AuthStorage } from "@/utils/auth";
+import type { ApiResult } from "@/api/common";
+
+// 携带续期重试标记，mergeConfig 会把它带进重试后的新 config
+type RetryRequestConfig = InternalAxiosRequestConfig & { isRetried?: boolean };
+
+/**
+ * 注册令牌续期拦截器：过期自动续期并重试请求
+ */
+export function installTokenRefresh(http: AxiosInstance) {
+  // 续期进行中时先等待完成，避免带旧令牌发出后再 401 重来；续期失败则继续用现有令牌
+  http.interceptors.request.use(async (config: InternalAxiosRequestConfig) => {
+    if (config.anonymous) {
+      return config;
+    }
+
+    await useUserStoreHook()
+      .waitRefresh()
+      .catch(() => {});
+
+    const token = AuthStorage.getAccessToken();
+    if (token) {
+      config.headers.Authorization = `Bearer ${token}`;
+    }
+
+    return config;
+  });
+
+  http.interceptors.response.use(undefined, async (error: AxiosError<ApiResult>) => {
+    const { config, response } = error;
+
+    // 网络错误交回基础拦截器提示
+    if (!response) {
+      return Promise.reject(error);
+    }
+
+    const { code } = response.data ?? {};
+
+    // Token 过期
+    if (code === ApiCodeEnum.ACCESS_TOKEN_INVALID) {
+      const retryConfig = config as RetryRequestConfig | undefined;
+      const userStore = useUserStoreHook();
+
+      // 匿名请求已重试过、或本就不参与续期：直接退出登录
+      if (!retryConfig || retryConfig.isRetried || retryConfig.anonymous) {
+        await userStore.redirectToLogin("expired");
+        return Promise.reject(new Error("Token Invalid"));
+      }
+
+      retryConfig.isRetried = true;
+
+      try {
+        await userStore.refreshTokenOnce();
+
+        const token = AuthStorage.getAccessToken();
+        if (!token) {
+          throw new Error("续期未返回访问令牌");
+        }
+
+        retryConfig.headers.set("Authorization", `Bearer ${token}`);
+        return http(retryConfig);
+      } catch {
+        await userStore.redirectToLogin("expired");
+        return Promise.reject(new Error("Token refresh failed"));
+      }
+    }
+
+    // Refresh token 失效
+    if (code === ApiCodeEnum.REFRESH_TOKEN_INVALID) {
+      await useUserStoreHook().redirectToLogin("expired");
+      return Promise.reject(new Error("Token Invalid"));
+    }
+
+    // 其它错误交回基础拦截器处理
+    return Promise.reject(error);
+  });
+}