Add Puppeteer scripts for navigation testing and debugging

- Created nav-debug.cjs to log anchor tags and simulate clicks on the Voice navigation link, capturing click events and page navigation.
- Added nav-test.cjs to test the Voice link click and log the URL at various intervals, capturing any page errors.
- Introduced nav-test2.cjs to check the presence of specific elements on the /voice/ page and log any console errors.
- Implemented nav-test4019.cjs to monitor network requests and responses related to the Voice navigation, verifying button presence and click functionality.

services/frontend/package.json

@@ -29,6 +29,7 @@
     "@types/react-dom": "^19",
     "@types/three": "^0.180.0",
     "babel-plugin-react-compiler": "1.0.0",
+    "puppeteer-core": "^25.7.0",
     "tailwindcss": "^4",
     "typescript": "^5"
   }