const { chromium } = require('playwright');
(async () => {
  const browser = await chromium.launch();
  const page = await browser.newPage();
  const bad = [];
  page.on('response', (r) => { if (r.status() >= 500) bad.push(r.status() + ' ' + r.url()); });
  await page.goto('http://localhost:5000/', { waitUntil: 'networkidle', timeout: 25000 });
  console.log('recursos con 500:', bad.length ? bad : 'ninguno');
  await browser.close();
})();