Upgrade PrimeVue from 3 to 4 with Aura theme preset

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/main.ts

@@ -21,7 +21,7 @@ import 'sweetalert2/dist/sweetalert2.min.css';
 
 // import PrimeVue
 import PrimeVue from 'primevue/config';
-import 'primevue/resources/themes/saga-blue/theme.css'; //theme
+import Aura from '@primevue/themes/aura';
 import 'primeicons/primeicons.css'; //icons
 import Sidebar from 'primevue/sidebar';
 import Dropdown from 'primevue/dropdown';
@@ -78,7 +78,7 @@ app.use(ToastPlugin, { // use `this.$toast` in Vue.js
   position: 'bottom',
   duration: 5000,
 });
-app.use(PrimeVue);
+app.use(PrimeVue, { theme: { preset: Aura } });
 app.component('Sidebar', Sidebar);
 app.component('Dropdown', Dropdown);
 app.component('Tag', Tag);