feat: add sonner for notifications and update theme handling in Toaster component

src/pages/AdminSoundsPage.tsx

@@ -46,7 +46,7 @@ interface NormalizationStats {
   size_difference: number;
 }
 
-export default function AdminSoundsPage() {
+export function AdminSoundsPage() {
   const [sounds, setSounds] = useState<Sound[]>([]);
   const [scanStats, setScanStats] = useState<ScanStats | null>(null);
   const [normalizationStats, setNormalizationStats] = useState<NormalizationStats | null>(null);

src/pages/SoundboardPage.tsx

@@ -68,7 +68,7 @@ const SoundCard: React.FC<SoundCardProps> = ({ sound, onPlay, isPlaying }) => {
   );
 };
 
-export default function SoundboardPage() {
+export function SoundboardPage() {
   const [sounds, setSounds] = useState<Sound[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);