export async function getBookmark(id) {
  const base = process.env.KARAKEEP_API_URL || 'https://karakeep.hynesy.com';
  const tok = process.env.KARAKEEP_API_TOKEN || '';
  const res = await fetch(`${base}/api/v1/bookmarks/${encodeURIComponent(id)}`, {
    headers: { Authorization: 'Bearer ' + tok },
    signal: AbortSignal.timeout(10_000)
  });
  if (res.status === 404) return null;
  if (!res.ok) throw new Error(`karakeep ${res.status}`);
  return res.json();
}