[Demo] Fix demo by PHPStan findings + pipeline

.github/workflows/code-quality.yaml

@@ -64,6 +64,10 @@ jobs:
               run: |
                   cd examples/ && $COMPOSER_UP && ../link && $PHPSTAN
 
+            - name: Run PHPStan on demo
+              run: |
+                  cd demo/ && $COMPOSER_UP && ../link && $PHPSTAN
+
             - name: Run PHPStan on packages
               run: |
                   source .github/workflows/.utils.sh

demo/src/Audio/Chat.php

@@ -39,7 +39,7 @@ public function say(string $base64audio): void
         $path = tempnam(sys_get_temp_dir(), 'audio-').'.wav';
         file_put_contents($path, base64_decode($base64audio));
 
-        $result = $this->platform->invoke(new Whisper(), Audio::fromFile($path));
+        $result = $this->platform->invoke('whisper-1', Audio::fromFile($path));
 
         $this->submitMessage($result->asText());
     }

demo/src/Blog/Command/QueryCommand.php

@@ -47,7 +47,7 @@ public function __invoke(SymfonyStyle $io): int
 
         $vector = $this->vectorizer->vectorize($search);
         $queryResponse = $collection->query(
-            queryEmbeddings: [$vector->getData()],
+            queryEmbeddings: [$vector->getData()], /** @phpstan-ignore-line until https://github.com/symfony/ai/issues/768 */
             nResults: 4,
         );
 

demo/src/Blog/Command/StreamCommand.php

@@ -14,6 +14,7 @@
 use Symfony\AI\Agent\AgentInterface;
 use Symfony\AI\Platform\Message\Message;
 use Symfony\AI\Platform\Message\MessageBag;
+use Symfony\AI\Platform\Result\StreamResult;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Style\SymfonyStyle;
 
@@ -42,6 +43,8 @@ public function __invoke(SymfonyStyle $io): int
         $io->section('Agent Response:');
         $result = $this->blogAgent->call($messages, ['stream' => true]);
 
+        \assert($result instanceof StreamResult);
+
         foreach ($result->getContent() as $word) {
             $io->write($word);
         }

demo/src/Mcp/Prompts/CurrentTimePrompt.php

@@ -15,6 +15,9 @@
 
 class CurrentTimePrompt
 {
+    /**
+     * @return array{role: 'user', content: string}[]
+     */
     #[McpPrompt(name: 'time-analysis')]
     public function getTimeAnalysisPrompt(): array
     {

demo/src/Mcp/ResourceTemplates/CurrentTimeResourceTemplate.php

@@ -15,6 +15,9 @@
 
 class CurrentTimeResourceTemplate
 {
+    /**
+     * @return array{uri: string, mimeType: string, text: string}
+     */
     #[McpResourceTemplate(uriTemplate: 'time://{timezone}', name: 'time-by-timezone')]
     public function getTimeByTimezone(string $timezone): array
     {

demo/src/Mcp/Resources/CurrentTimeResource.php

@@ -15,6 +15,9 @@
 
 class CurrentTimeResource
 {
+    /**
+     * @return array{uri: string, mimeType: string, text: string}
+     */
     #[McpResource(uri: 'time://current', name: 'current-time-resource')]
     public function getCurrentTimeResource(): array
     {

demo/src/Video/TwigComponent.php

@@ -47,7 +47,7 @@ public function submit(#[LiveArg] string $instruction, #[LiveArg] string $image)
             Message::ofUser($instruction, Image::fromDataUrl($image))
         );
 
-        $result = $this->platform->invoke(new Gpt(Gpt::GPT_4O_MINI), $messageBag, [
+        $result = $this->platform->invoke('gpt-4o-mini', $messageBag, [
             'max_tokens' => 100,
         ]);
 

demo/tests/Blog/ChatTest.php

@@ -15,6 +15,7 @@
 use PHPUnit\Framework\TestCase;
 use Symfony\AI\Agent\MockAgent;
 use Symfony\AI\Platform\Message\AssistantMessage;
+use Symfony\AI\Platform\Message\Content\Text;
 use Symfony\AI\Platform\Message\MessageBag;
 use Symfony\AI\Platform\Message\SystemMessage;
 use Symfony\AI\Platform\Message\UserMessage;
@@ -65,6 +66,7 @@ public function testSubmitMessageAddsUserMessageAndAgentResponse()
         // Check user message
         $userMessage = $messageList[1];
         $this->assertInstanceOf(UserMessage::class, $userMessage);
+        $this->assertInstanceOf(Text::class, $userMessage->getContent()[0]);
         $this->assertSame('What is Symfony?', $userMessage->getContent()[0]->getText());
 
         // Check assistant message
@@ -169,9 +171,16 @@ public function testAgentReceivesFullConversationHistory()
         $this->assertCount(5, $messages);
 
         // Verify the conversation flow (with 5 messages)
-        $this->assertStringContainsString('helpful assistant', $messages[0]->getContent()); // system
+        $this->assertInstanceOf(SystemMessage::class, $messages[0]);
+        $this->assertStringContainsString('helpful assistant', $messages[0]->getContent());
+        $this->assertInstanceOf(UserMessage::class, $messages[1]);
+        $this->assertCount(1, $messages[1]->getContent());
+        $this->assertInstanceOf(Text::class, $messages[1]->getContent()[0]);
         $this->assertSame('What is Symfony?', $messages[1]->getContent()[0]->getText()); // user1
         $this->assertSame('Symfony is a PHP web framework for building web applications and APIs.', $messages[2]->getContent()); // assistant1
+        $this->assertInstanceOf(UserMessage::class, $messages[3]);
+        $this->assertCount(1, $messages[3]->getContent());
+        $this->assertInstanceOf(Text::class, $messages[3]->getContent()[0]);
         $this->assertSame('Tell me more', $messages[3]->getContent()[0]->getText()); // user2
         // The 5th message appears to be the previous assistant response or another system message
     }

demo/tests/Blog/Command/StreamCommandTest.php

@@ -41,10 +41,12 @@ public function getContent(): iterable
 
                 public function getMetadata(): Metadata
                 {
+                    return new Metadata();
                 }
 
                 public function getRawResult(): ?RawResultInterface
                 {
+                    return null;
                 }
 
                 public function setRawResult(RawResultInterface $rawResult): void