(async function generateSGTeamLink() {
  console.log("⏳ 正在获取 Session Token...");

  let accessToken;
  try {
    const s = await fetch("/api/auth/session").then(r => r.json());
    accessToken = s?.accessToken;
    if (!accessToken) throw new Error("accessToken 为空");
  } catch (e) {
    console.error("❌ 获取 Token 失败：", e.message);
    return;
  }

  console.log("✅ Token 获取成功");

  // ── 填入你的新加坡优惠码 ...