Use an inverted favicon on AIGen and keep the current icon on xAIGen.

Co-authored-by: Cursor <cursoragent@cursor.com>

app.vue

@@ -3,3 +3,16 @@
     <NuxtPage />
   </div>
 </template>
+
+<script setup lang="ts">
+import { isXaigenStudio } from '~/utils/videoModels'
+
+const config = useRuntimeConfig()
+useHead({
+  link: [{
+    rel: 'icon',
+    type: 'image/svg+xml',
+    href: isXaigenStudio(config.public) ? '/favicon.svg' : '/favicon-aigen.svg'
+  }]
+})
+</script>