Add Role based grain placement

src/Managing.Bootstrap/ApiBootstrap.cs

@@ -14,6 +14,7 @@ using Managing.Application.Grains;
 using Managing.Application.ManageBot;
 using Managing.Application.ManageBot.Commands;
 using Managing.Application.MoneyManagements;
+using Managing.Application.Orleans;
 using Managing.Application.Scenarios;
 using Managing.Application.Shared;
 using Managing.Application.Shared.Behaviours;
@@ -138,10 +139,12 @@ public static class ApiBootstrap
         }
 
         var postgreSqlConnectionString = configuration.GetSection("PostgreSql")["Orleans"];
+        var siloRole = Environment.GetEnvironmentVariable("SILO_ROLE") ?? "Trading";
 
         Console.WriteLine($"Task Slot: {taskSlot}");
         Console.WriteLine($"Hostname: {hostname}");
         Console.WriteLine($"Advertised IP: {advertisedIP}");
+        Console.WriteLine($"Role: {siloRole}");
         Console.WriteLine($"Silo port: {siloPort}");
         Console.WriteLine($"Gateway port: {gatewayPort}");
         Console.WriteLine($"Dashboard port: {dashboardPort}");
@@ -174,8 +177,8 @@ public static class ApiBootstrap
                         .Configure<SiloOptions>(options =>
                         {
                             // Configure silo address for multi-server clustering
-                            options.SiloName = $"ManagingApi-{taskSlot}";
-                            // Orleans will use the configured endpoints for clustering
+                            options.SiloName = $"ManagingApi-{taskSlot}-{siloRole}";
+                            Console.WriteLine($"Configuring silo with role: {siloRole}");
                         });
                 }
                 else
@@ -327,6 +330,10 @@ public static class ApiBootstrap
                 siloBuilder
                     .ConfigureServices(services =>
                     {
+                        // Register custom placement directors for role-based placement
+                        services.AddPlacementDirector<ComputePlacementStrategy, ComputePlacementDirector>();
+                        services.AddPlacementDirector<TradingPlacementStrategy, TradingPlacementDirector>();
+
                         // Register existing services for Orleans DI
                         // These will be available to grains through dependency injection
                         services.AddTransient<IExchangeService, ExchangeService>();