if (!window.__msgLog) {
  window.__msgLog = [];
  window.addEventListener('message', e => {
    try { const d = e.data; const s = typeof d === 'string' ? d : JSON.stringify(d);
      if (s && /Route|route|dsn|DSN|Dsn/.test(s)) window.__msgLog.push(s.slice(0, 900)); } catch(err){}
  }, true);
  const f = document.querySelector('iframe.editframe');
  f.contentWindow.addEventListener('message', e => {
    try { const d = e.data; const s = typeof d === 'string' ? d : JSON.stringify(d);
      if (s && /Route|route|dsn|DSN|Dsn/.test(s)) window.__msgLog.push('IF< '+s.slice(0, 900)); } catch(err){}
  }, true);
}
window.__msgLog.length = 0;
const r = await eda.pcb_ManufactureData.getAutoRouteJsonFile('Z');
await new Promise(r2=>setTimeout(r2, 2500));
return {r: String(r), msgs: window.__msgLog.slice(0, 8)};