RCE fix

app/hooks/useSkin.ts

@@ -0,0 +1,18 @@
+'use client';
+
+import { useSearchParams } from 'next/navigation';
+import { appConfig } from '../config/app';
+import { SkinId } from '../types';
+
+export function useSkin() {
+  const searchParams = useSearchParams();
+  const skinParam = searchParams.get('skin');
+  
+  // Validate that the skin exists in our config
+  const isValidSkin = skinParam && Object.keys(appConfig.skins).includes(skinParam);
+  
+  // Return the skin from URL if valid, otherwise return default skin
+  const currentSkin = (isValidSkin ? skinParam : appConfig.defaultSkin) as SkinId;
+  
+  return currentSkin;
+}