```

✨ feat(revervation): [Ajoute la création de session de réservation et le flow]
🐛 fix(PurgeCommandTest): [Utilise addCommand au lieu de add pour les commandes]
📝 chore(deps): [Mise à jour des dépendances Composer et corrections]
🐛 fix(KeycloakAuthenticator): [Corrige le type nullable de l'exception start]
✨ feat(Customer): [Ajoute les sessions de commandes aux entités Customer]
♻️ refactor(AppLogger): [Refactorise l'AppLogger pour obtenir l'UserAgent]
✨ feat(FlowReserve): [Ajoute une action de validation du panier]
```

tests/Service/AI/GeminiClientTest.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Tests\Service\AI;
+
+use App\Service\AI\GeminiClient;
+use GeminiAPI\Client;
+use GeminiAPI\GenerativeModel;
+use GeminiAPI\Resources\Parts\TextPart;
+use GeminiAPI\Responses\GenerateContentResponse;
+use PHPUnit\Framework\TestCase;
+
+class GeminiClientTest extends TestCase
+{
+    public function testGenerateFriendlyMessageSuccess(): void
+    {
+        // Mock the response
+        $responseMock = $this->createStub(GenerateContentResponse::class);
+        $responseMock->method('text')
+            ->willReturn('This is a friendly update.');
+
+        // Mock the model
+        $modelMock = $this->createMock(GenerativeModel::class);
+        $modelMock->expects($this->once())
+            ->method('generateContent')
+            ->with($this->isInstanceOf(TextPart::class))
+            ->willReturn($responseMock);
+
+        // Mock the client
+        $clientMock = $this->createMock(Client::class);
+        $clientMock->expects($this->once())
+            ->method('withV1BetaVersion')
+            ->willReturnSelf();
+        $clientMock->expects($this->once())
+            ->method('generativeModel')
+            ->with('gemini-3-pro-preview')
+            ->willReturn($modelMock);
+
+        // Instantiate GeminiClient with mocked Client
+        $geminiClient = new GeminiClient('fake-api-key', $clientMock);
+
+        $result = $geminiClient->generateFriendlyMessage('Raw technical message');
+
+        $this->assertEquals('This is a friendly update.', $result);
+    }
+
+    public function testGenerateFriendlyMessageException(): void
+    {
+        // Mock the client to throw an exception
+        $clientMock = $this->createStub(Client::class);
+        $clientMock->method('withV1BetaVersion')
+            ->willThrowException(new \Exception('API Error'));
+
+        // Instantiate GeminiClient with mocked Client
+        $geminiClient = new GeminiClient('fake-api-key', $clientMock);
+
+        $result = $geminiClient->generateFriendlyMessage('Raw technical message');
+
+        $this->assertNull($result);
+    }
+}