feature #267 [AIBundle] Add Ollama support (Guikingone)

This PR was squashed before being merged into the main branch.

Discussion
----------

[AIBundle] Add Ollama support

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| Docs?         | yes
| Issues        | None
| License       | MIT

Hi 👋🏻

Noticed that `Ollama` cannot be used as a platform in the bundle, here's the fix along with tests.

Commits
-------

f9f4932 [AIBundle] Add Ollama support

Author: OskarStark

src/ai-bundle/config/options.php

@@ -65,6 +65,11 @@
                             ->scalarNode('host_url')->defaultValue('http://127.0.0.1:1234')->end()
                         ->end()
                     ->end()
+                    ->arrayNode('ollama')
+                        ->children()
+                        ->scalarNode('host_url')->defaultValue('http://127.0.0.1:11434')->end()
+                        ->end()
+                    ->end()
                 ->end()
             ->end()
             ->arrayNode('agent')

src/ai-bundle/config/services.php

@@ -26,6 +26,7 @@
 use Symfony\AI\AiBundle\Security\EventListener\IsGrantedToolAttributeListener;
 use Symfony\AI\Platform\Bridge\Anthropic\Contract\AnthropicContract;
 use Symfony\AI\Platform\Bridge\Gemini\Contract\GeminiContract;
+use Symfony\AI\Platform\Bridge\Ollama\Contract\OllamaContract;
 use Symfony\AI\Platform\Bridge\OpenAi\Whisper\AudioNormalizer;
 use Symfony\AI\Platform\Contract;
 use Symfony\AI\Platform\Contract\JsonSchema\DescriptionParser;
@@ -44,6 +45,8 @@
             ->factory([AnthropicContract::class, 'create'])
         ->set('ai.platform.contract.google', Contract::class)
             ->factory([GeminiContract::class, 'create'])
+        ->set('ai.platform.contract.ollama', Contract::class)
+            ->factory([OllamaContract::class, 'create'])
         // structured output
         ->set('ai.agent.response_format_factory', ResponseFormatFactory::class)
             ->args([

src/ai-bundle/doc/index.rst

@@ -52,6 +52,8 @@ Configuration
                     api_version: '%env(AZURE_GPT_VERSION)%'
             gemini:
                 api_key: '%env(GEMINI_API_KEY)%'
+            ollama:
+                host_url: '%env(OLLAMA_HOST_URL)%'
         agent:
             rag:
                 platform: 'ai.platform.azure.gpt_deployment'

src/ai-bundle/src/AiBundle.php

@@ -30,6 +30,7 @@
 use Symfony\AI\Platform\Bridge\Gemini\PlatformFactory as GeminiPlatformFactory;
 use Symfony\AI\Platform\Bridge\LmStudio\PlatformFactory as LmStudioPlatformFactory;
 use Symfony\AI\Platform\Bridge\Mistral\PlatformFactory as MistralPlatformFactory;
+use Symfony\AI\Platform\Bridge\Ollama\PlatformFactory as OllamaPlatformFactory;
 use Symfony\AI\Platform\Bridge\OpenAi\PlatformFactory as OpenAiPlatformFactory;
 use Symfony\AI\Platform\Bridge\OpenRouter\PlatformFactory as OpenRouterPlatformFactory;
 use Symfony\AI\Platform\Model;
@@ -271,7 +272,7 @@ private function processPlatformConfig(string $type, array $platform, ContainerB
         if ('lmstudio' === $type) {
             $platformId = 'symfony_ai.platform.lmstudio';
             $definition = (new Definition(Platform::class))
-            ->setFactory(LmStudioPlatformFactory::class.'::create')
+                ->setFactory(LmStudioPlatformFactory::class.'::create')
                 ->setLazy(true)
                 ->addTag('proxy', ['interface' => PlatformInterface::class])
                 ->setArguments([
@@ -286,6 +287,25 @@ private function processPlatformConfig(string $type, array $platform, ContainerB
             return;
         }
 
+        if ('ollama' === $type) {
+            $platformId = 'ai.platform.ollama';
+            $definition = (new Definition(Platform::class))
+                ->setFactory(MistralPlatformFactory::class.'::create')
+                ->setFactory(OllamaPlatformFactory::class.'::create')
+                ->setLazy(true)
+                ->addTag('proxy', ['interface' => PlatformInterface::class])
+                ->setArguments([
+                    0 => $platform['host_url'],
+                    2 => new Reference('http_client', ContainerInterface::NULL_ON_INVALID_REFERENCE),
+                    3 => new Reference('ai.platform.contract.ollama'),
+                ])
+                ->addTag('ai.platform');
+
+            $container->setDefinition($platformId, $definition);
+
+            return;
+        }
+
         throw new InvalidArgumentException(\sprintf('Platform "%s" is not supported for configuration via bundle at this point.', $type));
     }
 

src/ai-bundle/tests/DependencyInjection/AiBundleTest.php

@@ -158,6 +158,9 @@ private function getFullConfig(): array
                     'lmstudio' => [
                         'host_url' => 'http://127.0.0.1:1234',
                     ],
+                    'ollama' => [
+                        'host_url' => 'http://127.0.0.1:11434',
+                    ],
                 ],
                 'agent' => [
                     'my_chat_agent' => [