SingalR for realtime entitychanges

DiunaBI.UI.Shared/Extensions/ServiceCollectionExtensions.cs

@@ -1,4 +1,6 @@
+using Microsoft.AspNetCore.Components;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
 using DiunaBI.UI.Shared.Services;
 using DiunaBI.UI.Shared.Handlers;
 
@@ -44,6 +46,15 @@ public static class ServiceCollectionExtensions
         services.AddScoped<LayerFilterStateService>();
         services.AddScoped<DataInboxFilterStateService>();
 
+        // SignalR Hub Service (singleton for global connection shared across all users)
+        services.AddSingleton<EntityChangeHubService>(sp =>
+        {
+            // For singleton, we can't inject scoped services directly
+            // We'll get them from the service provider when needed
+            var logger = sp.GetRequiredService<ILogger<EntityChangeHubService>>();
+            return new EntityChangeHubService(apiBaseUrl, sp, logger);
+        });
+
         return services;
     }
 }