chore(ci): implement robust E2E form testing with puppeteer gatekeeper bypass

scripts/check-html.ts

@@ -50,7 +50,12 @@ async function main() {
           headers: { Cookie: `klz_gatekeeper_session=${gatekeeperPassword}` },
           validateStatus: (status) => status < 400,
         });
-        const filename = `page-${i}.html`;
+
+        // Generate a safe filename that retains URL information
+        const urlStr = new URL(u);
+        const safePath = (urlStr.pathname + urlStr.search).replace(/[^a-zA-Z0-9]/g, '_');
+        const filename = `${safePath || 'index'}.html`;
+
         fs.writeFileSync(path.join(outputDir, filename), res.data);
       } catch (err: any) {
         console.error(`❌ HTTP Error fetching ${u}: ${err.message}`);