fix: usar rows en lugar de data y key en lugar de accessorKey para UTable

nuxt4-app/app/pages/explorer.vue

@@ -138,7 +138,7 @@
 
         <!-- Table -->
         <UTable
-          :data="paginatedData"
+          :rows="paginatedData"
           :columns="displayColumns"
           :loading="loadingData"
         />
@@ -263,13 +263,8 @@ const displayColumns = computed(() => {
   const filtered = tableColumns.value
     .filter(col => visibleColumns.value.includes(col.key))
     .map(col => ({
-      accessorKey: col.key,
-      header: col.label,
-      cell: ({ row }: any) => {
-        const value = row.getValue(col.key)
-        if (value === null || value === undefined) return '-'
-        return String(value)
-      }
+      key: col.key,
+      label: col.label
     }))
   console.log('📊 displayColumns computed:', filtered.length, 'visible columns')
   return filtered