diff --git a/src/packages/plg_system_mokowaas/Extension/MokoWaaS.php b/src/packages/plg_system_mokowaas/Extension/MokoWaaS.php
index d50beacc..9c84fdaf 100644
--- a/src/packages/plg_system_mokowaas/Extension/MokoWaaS.php
+++ b/src/packages/plg_system_mokowaas/Extension/MokoWaaS.php
@@ -2330,6 +2330,9 @@ class MokoWaaS extends CMSPlugin implements BootableExtensionInterface
 					return;
 			}
 
+			// Rebuild nested set trees and asset table after insert
+			$this->repairAfterSync($type);
+
 			$this->sendHealthResponse(200, [
 				'status'   => 'ok',
 				'type'     => $type,
@@ -2345,6 +2348,101 @@ class MokoWaaS extends CMSPlugin implements BootableExtensionInterface
 		}
 	}
 
+	/**
+	 * Repair nested set trees and asset table after a bulk sync push.
+	 *
+	 * Categories and menus use nested sets (lft/rgt/level) which need
+	 * rebuilding after direct DB inserts. Content needs asset entries
+	 * for ACL to work.
+	 *
+	 * @param   string  $type  Content type that was pushed
+	 *
+	 * @return  void
+	 *
+	 * @since   02.31.00
+	 */
+	private function repairAfterSync(string $type): void
+	{
+		try
+		{
+			$db = Factory::getDbo();
+
+			if ($type === 'categories')
+			{
+				// Rebuild the category nested set tree
+				$table = new \Joomla\CMS\Table\Category($db);
+				$table->rebuild();
+
+				// Ensure asset entries exist for each category
+				$db->setQuery(
+					$db->getQuery(true)
+						->select('id, title, extension')
+						->from($db->quoteName('#__categories'))
+						->where($db->quoteName('id') . ' > 1')
+						->where($db->quoteName('asset_id') . ' = 0')
+				);
+
+				foreach ($db->loadObjectList() as $cat)
+				{
+					$asset = new \Joomla\CMS\Table\Asset($db);
+					$asset->name  = $cat->extension . '.category.' . $cat->id;
+					$asset->title = $cat->title;
+					$asset->rules = '{}';
+
+					// Parent asset = root
+					$asset->setLocation(1, 'last-child');
+					$asset->store();
+
+					$db->setQuery(
+						$db->getQuery(true)
+							->update($db->quoteName('#__categories'))
+							->set($db->quoteName('asset_id') . ' = ' . (int) $asset->id)
+							->where($db->quoteName('id') . ' = ' . (int) $cat->id)
+					)->execute();
+				}
+			}
+
+			if ($type === 'articles')
+			{
+				// Ensure asset entries exist for each article
+				$db->setQuery(
+					$db->getQuery(true)
+						->select('id, title, catid')
+						->from($db->quoteName('#__content'))
+						->where($db->quoteName('asset_id') . ' = 0')
+				);
+
+				foreach ($db->loadObjectList() as $article)
+				{
+					$asset = new \Joomla\CMS\Table\Asset($db);
+					$asset->name  = 'com_content.article.' . $article->id;
+					$asset->title = $article->title;
+					$asset->rules = '{}';
+					$asset->setLocation(1, 'last-child');
+					$asset->store();
+
+					$db->setQuery(
+						$db->getQuery(true)
+							->update($db->quoteName('#__content'))
+							->set($db->quoteName('asset_id') . ' = ' . (int) $asset->id)
+							->where($db->quoteName('id') . ' = ' . (int) $article->id)
+					)->execute();
+				}
+			}
+
+			if ($type === 'menus')
+			{
+				// Rebuild menu nested set tree
+				$table = new \Joomla\CMS\Table\Menu($db);
+				$table->rebuild();
+			}
+		}
+		catch (\Throwable $e)
+		{
+			Log::add('Asset repair failed for ' . $type . ': ' . $e->getMessage(), Log::WARNING, 'mokowaas');
+		}
+	}
+
 	/**
 	 * List installed extensions with version, status, and update server info.
 	 *