diff --git a/src/EventListener/IndexPageListener.php b/src/EventListener/IndexPageListener.php
index 3d97268..ba41bc6 100644
--- a/src/EventListener/IndexPageListener.php
+++ b/src/EventListener/IndexPageListener.php
@@ -5,6 +5,9 @@ namespace MummertMedia\ContaoMeilisearchBundle\EventListener;
 use Contao\CoreBundle\ServiceAnnotation\Hook;
 use MummertMedia\ContaoMeilisearchBundle\Service\SearchDataProvider;
 
+/**
+ * IndexPage Listener for Contao search index
+ */
 class IndexPageListener
 {
     public function __construct(
@@ -12,23 +15,44 @@ class IndexPageListener
     ) {}
 
     /**
+     * This hook is executed for every indexed document
+     *
      * @Hook("indexPage")
      */
     public function onIndexPage(string $content, array &$data, array &$set): void
     {
-        // 🔍 DEBUG – MUSS jetzt feuern
-        file_put_contents(
-            TL_ROOT . '/var/logs/meili-debug.log',
-            json_encode($set, JSON_PRETTY_PRINT) . "\n\n",
-            FILE_APPEND
-        );
+        // ---------------------------------------------------------------------
+        // DEBUG: prove that the hook is executed (CLI + Frontend safe)
+        // ---------------------------------------------------------------------
+        error_log('[MEILI] onIndexPage fired');
 
+        // log basic context
+        error_log('[MEILI] type=' . ($set['type'] ?? 'NULL'));
+        error_log('[MEILI] set=' . json_encode($set, JSON_UNESCAPED_SLASHES));
+
+        // ---------------------------------------------------------------------
+        // Fetch search data (priority + keywords)
+        // ---------------------------------------------------------------------
         $searchData = $this->dataProvider->getSearchData($set);
+
+        // log provider result
+        error_log('[MEILI] provider result=' . json_encode($searchData));
+
         if ($searchData === null) {
+            error_log('[MEILI] no search data resolved');
             return;
         }
 
-        $data['priority'] = $searchData['priority'];
-        $data['keywords'] = $searchData['keywords'];
+        // ---------------------------------------------------------------------
+        // Write into tl_search (this array IS the DB record)
+        // ---------------------------------------------------------------------
+        $data['priority'] = (int) $searchData['priority'];
+        $data['keywords'] = (string) $searchData['keywords'];
+
+        // final confirmation
+        error_log('[MEILI] tl_search updated: priority='
+            . $data['priority']
+            . ' keywords="' . $data['keywords'] . '"'
+        );
     }
 }
\ No newline at end of file