feat(emulated-entrypoint): wire AddBattleNode + UseBattleNode into the web host

SVSim.EmulatedEntrypoint/Program.cs

@@ -16,6 +16,7 @@ using SVSim.EmulatedEntrypoint.Extensions;
 using SVSim.EmulatedEntrypoint.Middlewares;
 using SVSim.EmulatedEntrypoint.Security.SteamSessionAuthentication;
 using SVSim.EmulatedEntrypoint.Services;
+using SVSim.BattleNode.Hosting;
 
 namespace SVSim.EmulatedEntrypoint;
 
@@ -116,6 +117,12 @@ public class Program
 
         #endregion
 
+        builder.Services.AddBattleNode(opt =>
+        {
+            // ASPNETCORE_URLS defaults to http://localhost:5148; we map ws:// onto the same host:port.
+            opt.NodeServerUrl = "ws://localhost:5148";
+        });
+
         builder.Services.AddTransient<ShadowverseTranslationMiddleware>();
         builder.Services.AddTransient<SessionidMappingMiddleware>();
         builder.Services.AddSingleton<ShadowverseSessionService>();
@@ -163,6 +170,7 @@ public class Program
 
         app.UseAuthorization();
 
+        app.UseBattleNode();
 
         app.MapControllers();