fix(web): adapt build tooling

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

packages/web/next.config.ts

@@ -6,9 +6,6 @@ const nextConfig: NextConfig = {
   turbopack: {
     root: __dirname,
   },
-  experimental: {
-    optimizeCss: true,
-  },
 }
 
 const withNextIntl = createNextIntlPlugin()