move to using /src - still css issue work

vite.config.ts

@@ -18,8 +18,7 @@ const vitestConfig = defineVitestConfig({
 const viteConfig = defineViteConfig({
   plugins: [react()],
   
-  // THE 'css' BLOCK IS REMOVED to allow for standard auto-discovery.
-  // We will now rely on vite build --debug to prove it finds postcss.config.js.
+  // No explicit 'css' block. Let Vite do its job.
 
   server: {
     port: 3000,