Read saved AI component parameters

administrator/components/com_testquestions/sql/updates/mysql/1.42.2.sql

@@ -0,0 +1 @@
+-- No database changes required for version 1.42.2.

administrator/components/com_testquestions/src/Model/ResultModel.php

@@ -91,9 +91,31 @@ class ResultModel extends BaseDatabaseModel
         }
 
         $params = ComponentHelper::getParams('com_testquestions');
+        $provider = trim((string) $params->get('ai_provider', 'openai'));
+        $apiKey = trim((string) $params->get('ai_api_key', ''));
+
+        // Pole typu password może zwrócić zamaskowaną wartość zamiast pustej.
+        // W takim przypadku odczytaj rzeczywiste parametry bezpośrednio z rekordu rozszerzenia.
+        if ($apiKey === '' || preg_match('/^\*+$/', $apiKey)) {
+            $db = Factory::getContainer()->get('DatabaseDriver');
+            $storedParams = (string) $db->setQuery(
+                $db->getQuery(true)
+                    ->select($db->quoteName('params'))
+                    ->from($db->quoteName('#__extensions'))
+                    ->where($db->quoteName('type') . ' = ' . $db->quote('component'))
+                    ->where($db->quoteName('element') . ' = ' . $db->quote('com_testquestions'))
+            )->loadResult();
+            $storedParams = json_decode($storedParams, true);
+
+            if (is_array($storedParams)) {
+                $provider = trim((string) ($storedParams['ai_provider'] ?? $provider));
+                $apiKey = trim((string) ($storedParams['ai_api_key'] ?? ''));
+            }
+        }
+
         $feedback = (new AiService())->evaluate(
-            (string) $params->get('ai_provider', 'openai'),
-            (string) $params->get('ai_api_key', ''),
+            $provider,
+            $apiKey,
             strip_tags((string) $question->question),
             (string) ($answer['selected'] ?? ''),
             (string) $question->answer_open