fix(inbound): wire the compiled-handler cache as the IScriptArtifactChangeBus ApiMethod consumer (plan R2-06 T1)

src/ZB.MOM.WW.ScadaBridge.InboundAPI/ServiceCollectionExtensions.cs

@@ -27,6 +27,12 @@ public static class ServiceCollectionExtensions
         // body size cap and active-node gating for POST /api/{methodName}.
         services.AddSingleton<InboundApiEndpointFilter>();
 
+        // N1: the ApiMethod consumer of the script-artifact invalidation bus.
+        // The bus parameter is optional — hosts without a registered
+        // IScriptArtifactChangeBus (site roles, plain test hosts) start it as a no-op
+        // and the executor's per-request revision check alone keeps handlers fresh.
+        services.AddHostedService<ScriptArtifactChangeSubscriber>();
+
         return services;
     }
 }