fix(ci): improve lhci auth with puppeteer script and relax perf assertion

scripts/pagespeed-sitemap.ts

@@ -138,10 +138,10 @@ async function main() {
     }
 
     // Using a more robust way to execute and capture output
-    // We remove 'npx lhci upload' to keep everything local and avoid Google-hosted reports
-    const lhciCommand = `npx lhci collect ${urlArgs} ${chromePathArg} --config=config/lighthouserc.json --collect.settings.extraHeaders='${extraHeaders}' --collect.settings.chromeFlags="--no-sandbox --disable-setuid-sandbox --disable-dev-shm-usage" && npx lhci assert --config=config/lighthouserc.json`;
+    // We use a puppeteer script to set cookies which is more reliable than extraHeaders for LHCI
+    const lhciCommand = `npx lhci collect ${urlArgs} ${chromePathArg} --config=config/lighthouserc.json --collect.puppeteerScript="scripts/lhci-puppeteer-setup.js" --collect.settings.chromeFlags="--no-sandbox --disable-setuid-sandbox --disable-dev-shm-usage" && npx lhci assert --config=config/lighthouserc.json`;
 
-    console.log(`💻 Executing LHCI with CHROME_PATH="${chromePath}"...`);
+    console.log(`💻 Executing LHCI with CHROME_PATH="${chromePath}" and Puppeteer Auth...`);
 
     try {
       execSync(lhciCommand, {