<!-- Please search existing work items before filing to avoid duplicates. --> ## Summary While exploring Chat generation with streamed content, I got this error message: ``` Error invoking model response: Call to undefined method Drupal\ai\OperationType\Chat\OpenAiTypeStreamedChatMessageIterator::getHostnameFilterService() ``` <!-- Testing Setup (optional — to reproduce on a clean install): mkdir my-drupal-site && cd my-drupal-site ddev config --project-type=drupal11 --docroot=web ddev composer create-project drupal/cms ddev drush site:install --account-name=admin --account-pass=admin -y # Enable AI Dashboard and ai_api_explorer # Launch the site and open the AI dashboard to add an OpenAI or Anthropic key: ddev launch $(ddev drush uli /admin/config/ai) --> ## Steps to reproduce 1. Open AI API Explorer Chat. 2. Select provider/model. 3. Enable “streamed” output checkbox. 4. Submit prompt. ## Expected result See chat response. ## Actual result Error is presented. ## Environment - Drupal version: 11.3.9 - Module version: 2.0.x-dev - PHP version: 8.4.20 - Provider: Amazeeio ### Error messages or logs *(optional)* ``` Error: Call to undefined method Drupal\ai\OperationType\Chat\OpenAiTypeStreamedChatMessageIterator::getHostnameFilterService() in Drupal\ai\OperationType\Chat\StreamedChatMessageIterator->flushInternal() (line 892 of /var/www/html/web/modules/contrib/ai/src/OperationType/Chat/StreamedChatMessageIterator.php) #0 /var/www/html/web/modules/contrib/ai/src/OperationType/Chat/StreamedChatMessageIterator.php(502): Drupal\ai\OperationType\Chat\StreamedChatMessageIterator->flushInternal() #1 /var/www/html/web/modules/contrib/ai/src/OperationType/Chat/OpenAiTypeStreamedChatMessageIterator.php(20): Drupal\ai\OperationType\Chat\StreamedChatMessageIterator->createStreamedChatMessage() #2 /var/www/html/web/modules/contrib/ai/src/OperationType/Chat/StreamedChatMessageIterator.php(363): Drupal\ai\OperationType\Chat\OpenAiTypeStreamedChatMessageIterator->doIterate() #3 /var/www/html/web/modules/contrib/ai/modules/ai_api_explorer/src/Plugin/AiApiExplorer/ChatGenerator.php(434): Drupal\ai\OperationType\Chat\StreamedChatMessageIterator->getIterator() #4 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(101): Drupal\ai_api_explorer\Plugin\AiApiExplorer\ChatGenerator->{closure:Drupal\ai_api_explorer\Plugin\AiApiExplorer\ChatGenerator::getResponse():433}() #5 /var/www/html/vendor/symfony/http-foundation/StreamedResponse.php(125): Symfony\Component\HttpKernel\HttpKernel::{closure:Symfony\Component\HttpKernel\HttpKernel::handle():98}() #6 /var/www/html/web/modules/contrib/ai/src/Response/AiStreamedResponse.php(59): Symfony\Component\HttpFoundation\StreamedResponse->sendContent() #7 /var/www/html/vendor/symfony/http-foundation/Response.php(403): Drupal\ai\Response\AiStreamedResponse->sendContent() #8 /var/www/html/web/index.php(20): Symfony\Component\HttpFoundation\Response->send() #9 {main} ```