try fix download client factory

code/Infrastructure/Http/DynamicHttpClientSystem/DynamicHttpClientServiceCollectionExtensions.cs

@@ -0,0 +1,31 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Http;
+using Microsoft.Extensions.Options;
+
+namespace Infrastructure.Http.DynamicHttpClientSystem;
+
+/// <summary>
+/// Service collection extensions for the dynamic HTTP client system
+/// </summary>
+public static class DynamicHttpClientServiceCollectionExtensions
+{
+    /// <summary>
+    /// Adds the dynamic HTTP client system to the service collection
+    /// This replaces the traditional AddHttpClients method
+    /// </summary>
+    public static IServiceCollection AddDynamicHttpClients(this IServiceCollection services)
+    {
+        // Register the dynamic system components
+        services.AddSingleton<IHttpClientConfigStore, HttpClientConfigStore>();
+        services.AddSingleton<IConfigureOptions<HttpClientFactoryOptions>, DynamicHttpClientConfiguration>();
+        services.AddSingleton<IDynamicHttpClientFactory, DynamicHttpClientFactory>();
+        
+        // Add base HttpClient factory
+        services.AddHttpClient();
+
+        // Pre-register standard configurations using a hosted service
+        services.AddHostedService<HttpClientConfigurationService>();
+
+        return services;
+    }
+}