fix: build config missing initial build css

Author: sjdonado

build.config.ts

@@ -135,17 +135,19 @@ async function buildAssets(options: BuildOptions = {}) {
   if (options.watch) {
     console.log('👀 Starting watch mode...');
 
-    // Initial build
+    // Initial builds
     try {
+      // Build CSS once before starting watcher
+      await buildCSS({ ...options, watch: false });
       await buildJS(options);
-      console.log('✅ Initial JS build completed');
+      console.log('✅ Initial build completed');
     } catch (error) {
       console.error('Initial build failed:', error);
       process.exit(1);
     }
 
     // Start watchers (both return processes that stay alive)
-    const cssProc = await buildCSS(options);
+    const cssProc = await buildCSS({ ...options, watch: true });
     const jsProc = await watchJS(options);
 
     console.log('✅ Watch mode started - files will rebuild on changes');