Show error when model fails to load

app/page.tsx

@@ -166,6 +166,8 @@ export default function Home() {
 
 						{vad.loading ? (
 							<p>Loading speech detection...</p>
+						) : vad.errored ? (
+							<p>Failed to load speech detection.</p>
 						) : (
 							<p>Start talking to chat.</p>
 						)}
@@ -177,8 +179,9 @@ export default function Home() {
 				className={clsx(
 					"absolute size-36 blur-3xl rounded-full bg-gradient-to-b from-red-200 to-red-400 dark:from-red-600 dark:to-red-800 -z-50 transition ease-in-out",
 					{
-						"opacity-0": vad.loading,
-						"opacity-30": !vad.userSpeaking && !vad.loading,
+						"opacity-0": vad.loading || vad.errored,
+						"opacity-30":
+							!vad.loading && !vad.errored && !vad.userSpeaking,
 						"opacity-100 scale-110": vad.userSpeaking,
 					}
 				)}