minor #668 [Platform][Anthropic] Modify Claude constructor max_tokens handling (OskarStark)

This PR was merged into the main branch.

Discussion
----------

[Platform][Anthropic] Modify Claude constructor `max_tokens` handling

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| Docs?         | no
| Issues        | Follows #667
| License       | MIT

Commits
-------

c7f6fcf [Platform] Fix Claude constructor max_tokens logic

Author: OskarStark

src/platform/src/Bridge/Anthropic/Claude.php

@@ -34,7 +34,7 @@ class Claude extends Model
     /**
      * @param array<string, mixed> $options The default options for the model usage
      */
-    public function __construct(string $name, array $options = ['max_tokens' => 1000])
+    public function __construct(string $name, array $options = [])
     {
         $capabilities = [
             Capability::INPUT_MESSAGES,
@@ -44,6 +44,10 @@ public function __construct(string $name, array $options = ['max_tokens' => 1000
             Capability::TOOL_CALLING,
         ];
 
+        if (!isset($options['max_tokens'])) {
+            $options['max_tokens'] = 1000;
+        }
+
         parent::__construct($name, $capabilities, $options);
     }
 }

src/platform/tests/Bridge/Anthropic/ClaudeTest.php

@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\AI\Platform\Tests\Bridge\Anthropic;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\AI\Platform\Bridge\Anthropic\Claude;
+
+/**
+ * @author Oskar Stark <oskarstark@googlemail.com>
+ */
+final class ClaudeTest extends TestCase
+{
+    public function testItCreatesClaudeWithDefaultSettings()
+    {
+        $claude = new Claude(Claude::SONNET_35);
+
+        $this->assertSame(Claude::SONNET_35, $claude->getName());
+        $this->assertSame(['max_tokens' => 1000], $claude->getOptions());
+    }
+
+    public function testItCreatesClaudeWithCustomSettingsIncludingMaxTokens()
+    {
+        $claude = new Claude(Claude::SONNET_35, ['temperature' => 0.5, 'max_tokens' => 2000]);
+
+        $this->assertSame(Claude::SONNET_35, $claude->getName());
+        $this->assertSame(['temperature' => 0.5, 'max_tokens' => 2000], $claude->getOptions());
+    }
+
+    public function testItCreatesClaudeWithCustomSettingsWithoutMaxTokens()
+    {
+        $claude = new Claude(Claude::SONNET_35, ['temperature' => 0.5]);
+
+        $this->assertSame(Claude::SONNET_35, $claude->getName());
+        $this->assertSame(['temperature' => 0.5, 'max_tokens' => 1000], $claude->getOptions());
+    }
+}