Add compiler options in svelte.config.js to manage runes for external dependencies

svelte.config.js

@@ -4,6 +4,16 @@ import { vitePreprocess } from '@sveltejs/vite-plugin-svelte';
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
 	preprocess: vitePreprocess(),
+	compilerOptions: (id) => {
+		if (id && id.includes('node_modules')) {
+			return {
+				runes: false, // Disable runes for external dependencies that might not support it yet (lucide-svelte)
+			};
+		}
+		return {
+			runes: true,
+		};
+	},
 
 	kit: {
 		adapter: adapter({