📄 production optimizations

app/layout.tsx

@@ -2,6 +2,7 @@ import type { Metadata } from 'next'
 import { JetBrains_Mono } from 'next/font/google'
 import './globals.css'
 import { ThemeProvider } from '@/providers/providers'
+import '@/lib/env-validation' // Validate environment variables
 
 const jetbrainsMono = JetBrains_Mono({ subsets: ['latin'], variable: '--font-mono' })