const sleep=ms=>new Promise(r=>setTimeout(r,ms));
const propsOf = el => { for (const k of Object.keys(el)) if (k.startsWith('__reactProps$')) return el[k]; return null; };
const fire = (el) => { let t = el; for (let i=0;i<6&&t;i++){const q=propsOf(t);
  if(q&&typeof q.onClick==='function'){q.onClick({target:t,currentTarget:t,stopPropagation(){},preventDefault(){},nativeEvent:{},button:0,detail:1});return true;} t=t.parentElement;} return false; };
let leaf=null;
for (const el of document.querySelectorAll('*'))
  if (el.children.length===0 && (el.textContent||'').trim()==='连接性错误 (166)') { leaf=el; break; }
if(!leaf) return {err:'no leaf'};
fire(leaf); await sleep(2500);
// find the pagination area: search rightSide panel for elements with digits/页
let side=null;
for (const el of document.querySelectorAll('div.rightSide')) side=el;
const txt = side ? (side.innerText||'').replace(/\s+/g,' ') : '';
const controls=[];
if (side) for (const el of side.querySelectorAll('li,button,span,div,select')) {
  const t=(el.innerText||'').trim();
  if (el.offsetParent!==null && t && t.length<12 && /^[0-9]+$|页|条|›|»|>|下一/.test(t)) controls.push(t);
}
return {tail: txt.slice(-300), controls: [...new Set(controls)].slice(0,20)};