refactor(next.config): load bundle analyzer with dynamic import

next.config.mjs

-import withBundleAnalyzer from '@next/bundle-analyzer';
-
-const bundleAnalyzer = withBundleAnalyzer({
-  enabled: process.env.ANALYZE === 'true'
-});
+// Conditionally import @next/bundle-analyzer only if ANALYZE is true
+const getBundleAnalyzer = async () => {
+  if (process.env.ANALYZE === 'true') {
+    const withBundleAnalyzer = (await import('@next/bundle-analyzer')).default;
+    return withBundleAnalyzer({ enabled: true });
+  }
+  return (config) => config;
+};
 
 /** @type {import('next').NextConfig} */
 const nextConfig = {
@@ -27,4 +30,9 @@ const nextConfig = {
   compress: false
 };
 
-export default bundleAnalyzer(nextConfig);
+const getConfig = async () => {
+  const bundleAnalyzer = await getBundleAnalyzer();
+  return bundleAnalyzer(nextConfig);
+};
+
+export default getConfig();