feat: Implement UI polish and layout fixes

vite.config.ts

@@ -11,7 +11,15 @@ const appVersion = packageJson.version
 const gitHash = execSync('git rev-parse --short HEAD').toString().trim()
 
 export default defineConfig({
-  plugins: [react()],
+  plugins: [
+    react(),
+    {
+      name: 'html-transform',
+      transformIndexHtml(html) {
+        return html.replace(/__APP_VERSION__/g, appVersion);
+      }
+    }
+  ],
   base: '/',  // Always use root, since we're Cloudflare Pages only
   publicDir: 'public',  // ← Explicitly set (should be default)
   build: {