fix: resolve test failures and improve test stability

- Fix navigation menu display and click issues
- Fix scroll to top/bottom test failures
- Fix section display tests by removing non-existent contact section
- Add data-testid attributes for better test reliability
- Optimize test expectations for scroll behavior
- Add contact page layout for metadata export
- Update section components with proper ARIA attributes

package.json

@@ -24,6 +24,7 @@
     "@types/three": "^0.183.1",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
+    "critters": "^0.0.23",
     "dompurify": "^3.3.1",
     "framer-motion": "^12.34.3",
     "lucide-react": "^0.563.0",