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

test-framework/shared/utils/testing/TestWarmup.ts

@@ -0,0 +1,15 @@
+import { Page } from '@playwright/test';
+
+export class TestWarmup {
+  static async warmupBrowser(page: Page): Promise<void> {
+    await page.goto('about:blank');
+    await page.waitForTimeout(100);
+  }
+
+  static async warmupServer(baseUrl: string): Promise<void> {
+    const response = await fetch(baseUrl);
+    if (!response.ok) {
+      throw new Error(`Server warmup failed: ${response.status}`);
+    }
+  }
+}