(async () => {
  const sleep = ms => new Promise(r => setTimeout(r, ms));
  const out = { href: '', title: '', found: [], body: '' };
  out.href = location.href;
  out.title = document.title;
  const txt = (document.body ? document.body.innerText : '') || '';
  out.body = txt.replace(/\s+/g, ' ').slice(0, 20000);
  // 找含关键词的段落
  const kw = ['重复铺货', '重复发布', '重复商品', '同款', '相同商品', '铺货'];
  const lines = txt.split('\n').map(s => s.trim()).filter(Boolean);
  for (const kwd of kw) {
    for (const l of lines) {
      if (l.includes(kwd)) out.found.push({ kw: kwd, line: l.slice(0, 500) });
    }
  }
  out.linkCount = document.querySelectorAll('a[href]').length;
  out.links = Array.from(document.querySelectorAll('a[href]')).map(a => ({ t: (a.innerText||'').trim(), h: a.getAttribute('href') })).filter(x => x.t).slice(0, 60);
  return out;
})()