Fix the chatbot demo

Author: fabpot

demo/src/Blog/Chat.php

@@ -14,7 +14,7 @@
 use Symfony\AI\Agent\AgentInterface;
 use Symfony\AI\Platform\Message\Message;
 use Symfony\AI\Platform\Message\MessageBag;
-use Symfony\AI\Platform\Result\TextResult;
+use Symfony\AI\Platform\Response\TextResponse;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\HttpFoundation\RequestStack;
 
@@ -51,7 +51,7 @@ public function submitMessage(string $message): void
         $messages->add(Message::ofUser($message));
         $result = $this->agent->call($messages);
 
-        \assert($result instanceof TextResult);
+        \assert($result instanceof TextResponse);
 
         $messages->add(Message::ofAssistant($result->getContent()));
 

demo/src/Blog/Command/QueryCommand.php

@@ -48,7 +48,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $io->comment(\sprintf('Converting "%s" to vector & searching in Chroma DB ...', $search));
         $io->comment('Results are limited to 4 most similar documents.');
 
-        $platformResponse = $this->platform->invoke(new Embeddings(), $search);
+        $platformResponse = $this->platform->request(new Embeddings(), $search);
         $queryResponse = $collection->query(
             queryEmbeddings: [$platformResponse->asVectors()[0]->getData()],
             nResults: 4,