geograsim/.dontDeploy/playwright/fluss-debug.js

const { chromium } = require('@playwright/test');
(async () => {
  const browser = await chromium.launch();
  const page = await browser.newPage();
  page.on('console', msg => console.log('  [console]', msg.type(), msg.text().substring(0,150)));
  page.on('pageerror', err => console.log('  [PAGEERROR]', err.message));
  const res = await page.goto('http://localhost/geograsim/App/fluss?level=1');
  console.log('  status:', res.status());
  await page.waitForTimeout(2000);
  let snap;
  try {
    snap = await page.evaluate(() => {
      try {
        const fn = window.GGS_LIVE_STATE;
        if (typeof fn !== 'function') return { _type: typeof fn };
        return fn();
      } catch (e) { return { _error: String(e) }; }
    });
  } catch (e) { console.log('  EVAL ERROR:', e.message); }
  console.log('  snapshot:', JSON.stringify(snap, null, 2));
  await browser.close();
})();