const sleep = ms => new Promise(r=>setTimeout(r,ms));
const propsOf = el => { for (const k of Object.keys(el)) if (k.startsWith('__reactProps$')) return el[k]; return null; };
const fire = (el) => { let t = el; for (let i=0;i<8&&t;i++){const q=propsOf(t);
  if(q&&typeof q.onClick==='function'){q.onClick({target:t,currentTarget:t,stopPropagation(){},preventDefault(){},nativeEvent:{},button:0,detail:1});return true;} t=t.parentElement;} return false; };
const getIgn = () => {
  for (const el of document.querySelectorAll('[data-id^="selectOptionKey_"]')) {
    const fs = el.closest('fieldset');
    if (el.offsetParent!==null && fs && (fs.querySelector('legend')||{}).textContent==='忽略网络') {
      const fk = Object.keys(el).find(k=>k.startsWith('__reactFiber$'));
      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 WANT = ['GND','USB1_DP','USB1_DM','USB2_DP','USB2_DM','USB3_DP','USB3_DM',
              'USB4_DP','USB4_DM','USB5_DP','USB5_DM','UP_DP','UP_DM','USB_DP','USB_DM'];
const added=[], missing=[];
for (const n of WANT) {
  const p = getIgn();
  if(!p) return {err:'select gone at '+n};
  if (!p.list.some(o=>o.value===n)) { missing.push(n); continue; }
  p.onChange(n);
  await sleep(220);
  added.push(n);
}
const fs = Array.from(document.querySelectorAll('fieldset')).find(x=>(x.querySelector('legend')||{}).textContent==='忽略网络');
return {added, missing, table: (fs.innerText||'').trim()};