Add metadata management for shows: implement metadata retrieval, application, and updates in the API and UI. Enhance Show and ShowDto models to include metadata fields, and update the database schema accordingly. Introduce new endpoints for metadata operations and integrate metadata display in the ShowDetail component.

backend/src/TeleWave.Infrastructure/DependencyInjection.cs

@@ -13,6 +13,7 @@ using TeleWave.Domain.Broadcast.Scheduling;
 using TeleWave.Infrastructure.Broadcast;
 using TeleWave.Infrastructure.Identity;
 using TeleWave.Infrastructure.Media;
+using TeleWave.Infrastructure.Metadata;
 using TeleWave.Infrastructure.Persistence;
 using TeleWave.Infrastructure.Settings;
 using TeleWave.Infrastructure.Streaming;
@@ -96,10 +97,22 @@ public static class DependencyInjection
 
         AddMedia(services, configuration);
         AddBroadcast(services, configuration);
+        AddMetadata(services, configuration);
 
         return services;
     }
 
+    /// <summary>Метаданные шоу/серий: провайдеры TMDb/OMDb, резолвер, локальное хранилище картинок.</summary>
+    private static void AddMetadata(IServiceCollection services, IConfiguration configuration)
+    {
+        services.Configure<MetadataOptions>(configuration.GetSection(MetadataOptions.SectionName));
+        services.AddHttpClient("metadata", client => client.Timeout = TimeSpan.FromSeconds(15));
+        services.AddSingleton<IMetadataProvider, TmdbMetadataProvider>();
+        services.AddSingleton<IMetadataProvider, OmdbMetadataProvider>();
+        services.AddSingleton<IMetadataProviderResolver, MetadataProviderResolver>();
+        services.AddSingleton<IMetadataImageStore, MetadataImageStore>();
+    }
+
     /// <summary>Планировщик расписания: генератор, источник случайности и фоновый сервис горизонта.</summary>
     private static void AddBroadcast(IServiceCollection services, IConfiguration configuration)
     {