feat: establish catalog identity and atomic file ownership

config/container.php

@@ -2,6 +2,7 @@
 
 declare(strict_types=1);
 
+use MeshVault\Catalog\CatalogService;
 use MeshVault\Config\AppConfig;
 use MeshVault\Console\ConsoleServices;
 use MeshVault\Console\ContainerConsoleServices;
@@ -48,6 +49,8 @@ return static fn (AppConfig $config): array => [
     // Repositories share one PDO connection so the job repository's atomic() is a real transaction.
     CatalogRepositoryInterface::class => static fn (ContainerInterface $c): CatalogRepositoryInterface
         => new PdoCatalogRepository($c->get(PDO::class)),
+    CatalogService::class => static fn (ContainerInterface $c): CatalogService
+        => new CatalogService($c->get(CatalogRepositoryInterface::class)),
     ImportJobRepositoryInterface::class => static fn (ContainerInterface $c): ImportJobRepositoryInterface
         => new PdoImportJobRepository($c->get(PDO::class)),
     ImportService::class => static fn (ContainerInterface $c): ImportService => new ImportService(