fix: import de UUID en tasks y mejoras visuales en listado de artículos

backend/api/v1/modules/core/help_center/tasks.py

@@ -1,5 +1,6 @@
 import logging
 import httpx
+from uuid import UUID
 from celery import shared_task
 from datetime import datetime, timezone
 from core.database import CoreSessionLocal

frontend/src/routes/dashboard/help-center/+page.svelte

@@ -36,7 +36,7 @@
 			(a) =>
 				a.title.toLowerCase().includes(searchTerm.toLowerCase()) ||
 				a.content.toLowerCase().includes(searchTerm.toLowerCase())
-		)
+		).sort((a, b) => new Date(b.updated_at).getTime() - new Date(a.updated_at).getTime())
 	);
 
 	onMount(async () => {