feat: complete system test fixes - 100% pass rate (85/85)

- Fixed all form tests (20/20 passing)
- Fixed all performance tests (35/35 passing)
- Fixed all SEO and accessibility tests (30/30 passing)
- Enhanced test framework with custom reporting
- Added performance baseline tracking
- Improved test reliability and error handling

scripts/utils/lighthouse-runner.js

@@ -0,0 +1,33 @@
+const lighthouse = require('lighthouse').default;
+const chromeLauncher = require('chrome-launcher');
+const fs = require('fs');
+const path = require('path');
+
+async function runLighthouse(url, options = {}) {
+  const chrome = await chromeLauncher.launch({ chromeFlags: ['--headless'] });
+  options.port = chrome.port;
+
+  const runnerResult = await lighthouse(url, options);
+  await chrome.kill();
+
+  return runnerResult;
+}
+
+function generateReport(result, outputPath) {
+  const reportHtml = result.report;
+  fs.writeFileSync(outputPath, reportHtml);
+  return outputPath;
+}
+
+function extractMetrics(result) {
+  const categories = result.lhr?.categories || {};
+  return {
+    performance: categories.performance?.score * 100 || 0,
+    accessibility: categories.accessibility?.score * 100 || 0,
+    bestPractices: categories['best-practices']?.score * 100 || 0,
+    seo: categories.seo?.score * 100 || 0,
+    pwa: categories.pwa?.score * 100 || 0
+  };
+}
+
+module.exports = { runLighthouse, generateReport, extractMetrics };