Backup #1478

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<?php

declare(strict_types=1);

// @responsibility: Register Chat bounded context services in DI container

namespace ServiceProvider;

use Domain\Repository\ChatMessageRepositoryInterface;
use Domain\Repository\ChatSessionRepositoryInterface;
use Domain\Repository\ContentConfigRepositoryInterface;
use Domain\Repository\PromptsRepositoryInterface;
use Domain\Service\ModelRegistryInterface;
use Framework\Container;
use Infrastructure\AI\AIConfig;
use Infrastructure\AI\ChatService;
use Infrastructure\AI\ContentQualityValidator;
use Infrastructure\AI\ModelRegistry;
use Infrastructure\AI\OllamaService;
use Infrastructure\AI\QdrantClient;
use Infrastructure\AI\QdrantService;
use Infrastructure\AI\VectorSearchService;
use Infrastructure\Formatting\ChatMessageFormatter;
use Infrastructure\Persistence\ChatMessageRepository;
use Infrastructure\Persistence\ChatSessionRepository;
use Infrastructure\Persistence\ContentConfigRepository;
use Infrastructure\Persistence\CriticsRepository;
use Infrastructure\Persistence\PromptsRepository;
use UseCases\Chat\ManageChatSessionsUseCase;

/**
 * ChatServiceProvider registers all chat and AI-related services.
 */
final class ChatServiceProvider implements ServiceProviderInterface
{
    public function register(Container $container): void
    {
        // Repositories
        $container->set(ChatSessionRepository::class, fn (Container $c) => new ChatSessionRepository($c->get('pdo.content')));
        $container->set(ChatMessageRepository::class, fn (Container $c) => new ChatMessageRepository($c->get('pdo.content')));
        $container->set(PromptsRepository::class, fn (Container $c) => new PromptsRepository($c->get('pdo.content')));
        $container->set(CriticsRepository::class, fn (Container $c) => new CriticsRepository($c->get('pdo.content')));
        $container->set(ContentConfigRepository::class, fn (Container $c) => new ContentConfigRepository($c->get('pdo.content')));

        // Interface aliases
        $container->set(ChatSessionRepositoryInterface::class, fn (Container $c) => $c->get(ChatSessionRepository::class));
        $container->set(ChatMessageRepositoryInterface::class, fn (Container $c) => $c->get(ChatMessageRepository::class));
        $container->set(PromptsRepositoryInterface::class, fn (Container $c) => $c->get(PromptsRepository::class));

        // AI Services
        $container->set(AIConfig::class, fn () => AIConfig::fromCredentialsFile());
        $container->set(ChatService::class, fn (Container $c) => $c->get(AIConfig::class)->createChatService());
        $container->set(OllamaService::class, fn (Container $c) => $c->get(AIConfig::class)->createOllamaService());
        $container->set(QdrantService::class, fn (Container $c) => $c->get(AIConfig::class)->createQdrantService());
        $container->set(VectorSearchService::class, fn () => new VectorSearchService());
        $container->set(QdrantClient::class, fn () => new QdrantClient());

        $container->set(ContentQualityValidator::class, function (Container $c) {
            return new ContentQualityValidator($c->get(OllamaService::class));
        });

        $container->set(ModelRegistry::class, function (Container $c) {
            $registry = new ModelRegistry($c->get('pdo.dev'));
            ModelRegistry::setInstance($registry);

            return $registry;
        });

        // Formatters
        $container->set(ChatMessageFormatter::class, fn () => new ChatMessageFormatter());

        // Use Cases
        $container->set(ManageChatSessionsUseCase::class, function (Container $c) {
            return new ManageChatSessionsUseCase(
                $c->get(ChatSessionRepositoryInterface::class),
                $c->get(ChatMessageRepositoryInterface::class),
                $c->get(ContentConfigRepository::class),
                $c->get(\Domain\Repository\CollectionRepositoryInterface::class),
                $c->get(\Infrastructure\Validation\CollectionValidator::class),
                $c->get('pdo.dev'),
                $c->get(ModelRegistry::class)
            );
        });
    }
}

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