fix: timestamp styling

src/lib/components/chat/Messages/ResponseMessage.svelte

@@ -222,7 +222,7 @@
 			{/if}
 
 			{#if message.timestamp}
-				<span class=" invisible group-hover:visible text-gray-400 text-xs font-normal">
+				<span class=" invisible group-hover:visible text-gray-400 text-xs font-medium">
 					{dayjs(message.timestamp * 1000).format('DD/MM/YYYY HH:MM')}
 				</span>
 			{/if}

src/lib/components/chat/Messages/UserMessage.svelte

@@ -65,7 +65,7 @@
 				{/if}
 
 				{#if message.timestamp}
-					<span class=" invisible group-hover:visible text-gray-400 text-xs font-normal">
+					<span class=" invisible group-hover:visible text-gray-400 text-xs font-medium">
 						{dayjs(message.timestamp * 1000).format('DD/MM/YYYY HH:MM')}
 					</span>
 				{/if}