Refactor: Remove server state files and update server log handling

- Deleted server-stopped, server.log, and server.pid files to clean up unused state.
- Updated game-page-client.tsx to enhance button accessibility with cursor-pointer class.
- Modified not-found.tsx, page.tsx, and profile/page.tsx for consistent cursor-pointer usage on links.
- Adjusted search/page.tsx and components/auth/*.tsx for improved button interactions with cursor-pointer.
- Refined navbar.tsx for better user experience with cursor-pointer on navigation links.
- Updated settings-security-tab.tsx for passkey management API endpoints and improved error handling.
- Enhanced saved-games components for better user interaction with cursor-pointer on buttons.
- General code cleanup and consistency improvements across various components.

app/not-found.tsx

@@ -35,7 +35,7 @@ export default function NotFound() {
       >
         <Link
           href="/"
-          className="px-6 py-3 rounded-full bg-primary text-background font-semibold hover:bg-primary/80 transition-colors"
+          className="px-6 py-3 rounded-full bg-primary text-background font-semibold hover:bg-primary/80 transition-colors cursor-pointer"
         >
           Back to Home
         </Link>