chore: remove Vercel dependencies

- Remove @vercel/analytics package
- Remove vercel CLI package
- Site uses Cloudflare Pages for deployment

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

package.json

@@ -35,7 +35,6 @@
 		"@types/markdown-it": "^14.1.1",
 		"@types/marked": "^5.0.2",
 		"@uiw/react-md-editor": "^4.0.5",
-		"@vercel/analytics": "^1.2.2",
 		"@xenova/transformers": "^2.17.2",
 		"ai": "^4.1.0",
 		"ajv": "^8.17.1",
@@ -63,7 +62,6 @@
 		"recoil": "^0.7.7",
 		"tldraw": "^3.15.4",
 		"use-whisper": "^0.0.1",
-		"vercel": "^39.1.1",
 		"webcola": "^3.4.0",
 		"webnative": "^0.36.3"
 	},