feat(auth): 重构认证逻辑，支持 HttpOnly Cookie 登录；移除不再使用的 Token 存储方式

src/lib/admin-http.ts

@@ -125,3 +125,11 @@ export const adminRequest = {
     config?: Omit<AxiosRequestConfig, "url" | "method" | "data">,
   ) => request<T>({ ...config, url, method: "PUT", data }),
 };
+
+export async function clearAdminSessionCookie(): Promise<void> {
+  await adminHttp.request({
+    url: "/admin/auth/logout",
+    method: "POST",
+    validateStatus: () => true,
+  });
+}