const sleep = ms => new Promise(r => setTimeout(r, ms));
const nat = b => { const o={bubbles:true,cancelable:true,view:window,button:0};
  for (const t of ['pointerdown','mousedown','pointerup','mouseup','click'])
    b.dispatchEvent(new (t.startsWith('pointer')?PointerEvent:MouseEvent)(t,o)); };
for (const b of document.querySelectorAll('button'))
  if ((b.innerText||'').trim()==='取消' && b.offsetParent!==null) { nat(b); await sleep(800); }
await eda.dmt_EditorControl.openDocument('f126ffb29c92f9b2');
await sleep(1200);
let n = 0;
for (const o of await eda.pcb_PrimitivePour.getAll()) { await eda.pcb_PrimitivePour.delete(o.primitiveId); n++; }
await eda.pcb_Document.save();
await sleep(1500);
window.onbeforeunload = null;
setTimeout(() => location.reload(true), 300);
return {deletedPours: n};