const sleep = ms => new Promise(r=>setTimeout(r,ms));
const getFiberProps = () => {
  for (const el of document.querySelectorAll('[data-id^="selectOptionKey_"]')) {
    const fs = el.closest('fieldset');
    if (el.offsetParent!==null && fs && (fs.querySelector('legend')||{}).textContent==='忽略网络') {
      const fk = Object.keys(el).find(k=>k.startsWith('__reactFiber$'));
      let f=el[fk];
      for(let i=0;i<12&&f;i++){ const mp=f.memoizedProps;
        if(mp && mp.list && typeof mp.onChange==='function') return mp; f=f.return; }
    }
  } return null;
};
const rows = () => {
  const fs = Array.from(document.querySelectorAll('fieldset')).find(x=>(x.querySelector('legend')||{}).textContent==='忽略网络');
  return fs ? (fs.innerText||'').trim() : '';
};
const p = getFiberProps(); if(!p) return {err:'no props'};
p.onChange('GND');
await sleep(800);
const p2 = getFiberProps();
return {before: p.list.length, after: p2 ? p2.list.length : null, table: rows().slice(0,200)};