fix(papeleria): mover useMemo antes del return condicional para evitar error #310

apps/web/components/documentos/papeleria-tab.tsx

@@ -229,6 +229,13 @@ export function PapeleriaTab() {
     onSuccess: invalidate,
   });
 
+  const items = query.data ?? [];
+  const años = useMemo(() => {
+    const set = new Set<number>([currentYear]);
+    items.forEach(i => set.add(i.anio));
+    return [...set].sort((a, b) => b - a);
+  }, [items, currentYear]);
+
   if (!selectedContribuyenteId) {
     return (
       <Card>
@@ -239,13 +246,6 @@ export function PapeleriaTab() {
     );
   }
 
-  const items = query.data ?? [];
-  const años = useMemo(() => {
-    const set = new Set<number>([currentYear]);
-    items.forEach(i => set.add(i.anio));
-    return [...set].sort((a, b) => b - a);
-  }, [items, currentYear]);
-
   return (
     <div className="space-y-4">
       {/* Filtros + upload */}