feat: integrate Lighthouse in MobilePerformanceMonitor

e2e/src/tests/utils/mobile-performance-monitor.spec.ts

@@ -12,4 +12,14 @@ test.describe('MobilePerformanceMonitor', () => {
     expect(vitals.LCP).toBeGreaterThan(0);
     expect(vitals.CLS).toBeGreaterThanOrEqual(0);
   });
+  
+  test('should run Lighthouse audit', async ({ page }) => {
+    await page.goto('/');
+    const monitor = new MobilePerformanceMonitor(page);
+    
+    const result = await monitor.runLighthouseAudit(page.url());
+    
+    expect(result.score).toBeGreaterThan(0);
+    expect(result.audits).toBeDefined();
+  });
 });

e2e/src/utils/MobilePerformanceMonitor.ts

@@ -1,4 +1,6 @@
 import { Page } from '@playwright/test';
+import lighthouse from 'lighthouse';
+import * as chromeLauncher from 'chrome-launcher';
 
 export interface CoreWebVitals {
   FCP: number;
@@ -53,4 +55,26 @@ export class MobilePerformanceMonitor {
       TTI: 0,
     };
   }
+  
+  async runLighthouseAudit(url: string): Promise<LighthouseResult> {
+    const chrome = await chromeLauncher.launch({ chromeFlags: ['--headless'] });
+    const options = {
+      logLevel: 'info' as const,
+      output: 'json' as const,
+      onlyCategories: ['performance'],
+      port: chrome.port,
+    };
+    
+    const runnerResult = await lighthouse(url, options);
+    await chrome.kill();
+    
+    if (!runnerResult) {
+      throw new Error('Lighthouse audit failed');
+    }
+    
+    return {
+      score: runnerResult.lhr.categories.performance.score * 100,
+      audits: runnerResult.lhr.audits,
+    };
+  }
 }