refac/fix: error message

src/lib/components/chat/Chat.svelte

@@ -324,6 +324,8 @@
 					message.content = data.content;
 				} else if (type === 'chat:message:files' || type === 'files') {
 					message.files = data.files;
+				} else if (type === 'chat:message:error') {
+					message.error = data.error;
 				} else if (type === 'chat:message:follow_ups') {
 					message.followUps = data.follow_ups;