fix build issue

src/app/splash.tsx

@@ -49,11 +49,9 @@ export function SplashScreen() {
   };
 
   useEffect(() => {
-    if (!db.account) {
-      invoke('close_splashscreen');
-    }
+    if (ndk) {
+      if (!db.account) invoke('close_splashscreen');
 
-    if (ndk && db.account) {
       console.log('prefetching...');
       prefetch();
     }

src/shared/frame.tsx

@@ -17,7 +17,6 @@ export function Frame({
   const platformStyles = useCallback(() => {
     switch (db.platform) {
       case 'darwin':
-      case 'win32':
         if (lighter) return 'bg-black/80';
         return 'bg-black/90';
       default: