feat(runtime): spawn+apply VirtualTagHostActor on deploy apply and restore

src/Server/ZB.MOM.WW.OtOpcUa.Runtime/ServiceCollectionExtensions.cs

@@ -5,6 +5,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
+using ZB.MOM.WW.OtOpcUa.Commons.Engines;
 using ZB.MOM.WW.OtOpcUa.Commons.Interfaces;
 using ZB.MOM.WW.OtOpcUa.Commons.OpcUa;
 using ZB.MOM.WW.OtOpcUa.Configuration;
@@ -89,6 +90,10 @@ public static class ServiceCollectionExtensions
             var serviceLevel = resolver.GetService<IServiceLevelPublisher>() ?? NullServiceLevelPublisher.Instance;
             var loggerFactory = resolver.GetService<ILoggerFactory>() ?? NullLoggerFactory.Instance;
             var healthPublisher = resolver.GetService<IDriverHealthPublisher>() ?? NullDriverHealthPublisher.Instance;
+            // Production evaluator is the Host's RoslynVirtualTagEvaluator (registered as
+            // IVirtualTagEvaluator); fall back to the null evaluator for test harnesses that don't
+            // register one (VirtualTagActor children then evaluate to nothing).
+            var virtualTagEvaluator = resolver.GetService<IVirtualTagEvaluator>() ?? NullVirtualTagEvaluator.Instance;
 
             var dbHealth = system.ActorOf(
                 DbHealthProbeActor.Props(dbFactory),
@@ -119,7 +124,8 @@ public static class ServiceCollectionExtensions
                     driverFactory: driverFactory, localRoles: roleInfo.LocalRoles,
                     dependencyMux: mux,
                     opcUaPublishActor: publishActor,
-                    healthPublisher: healthPublisher),
+                    healthPublisher: healthPublisher,
+                    virtualTagEvaluator: virtualTagEvaluator),
                 DriverHostActorName);
             registry.Register<DriverHostActorKey>(driverHost);