impement and fix user settings

core/src/App.vue

@@ -4,4 +4,17 @@
 
 <script setup lang="ts">
 import { RouterView } from 'vue-router';
+import { onMounted } from 'vue';
+import { useTheme } from 'vuetify';
+import { useLayoutStore } from '@KTXC/stores/layoutStore';
+
+const theme = useTheme();
+const layoutStore = useLayoutStore();
+
+// Apply saved theme on mount
+onMounted(() => {
+  if (layoutStore.theme) {
+    theme.global.name.value = layoutStore.theme;
+  }
+});
 </script>