feat(siteruntime): Tracking.Status(id) script API (#23 M3)

src/ScadaLink.SiteRuntime/Actors/ScriptExecutionActor.cs

@@ -2,6 +2,7 @@ using Akka.Actor;
 using Microsoft.CodeAnalysis.Scripting;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
+using ScadaLink.Commons.Interfaces;
 using ScadaLink.Commons.Interfaces.Services;
 using ScadaLink.Commons.Messages.ScriptExecution;
 using ScadaLink.Commons.Types;
@@ -105,6 +106,11 @@ public class ScriptExecutionActor : ReceiveActor
                 // composes the SQLite hot-path + drop-oldest ring); null in tests / hosts
                 // that haven't called AddAuditLog, which the helper handles as a no-op.
                 IAuditWriter? auditWriter = null;
+                // Audit Log #23 (M3 Bundle A — Task A3): site-local tracking store
+                // backing Tracking.Status(id). Singleton; null in tests / hosts
+                // that haven't wired the store, which the helper handles by
+                // throwing on access.
+                IOperationTrackingStore? operationTrackingStore = null;
 
                 if (serviceProvider != null)
                 {
@@ -115,6 +121,7 @@ public class ScriptExecutionActor : ReceiveActor
                     siteId = serviceScope.ServiceProvider.GetService<ISiteIdentityProvider>()?.SiteId
                         ?? string.Empty;
                     auditWriter = serviceScope.ServiceProvider.GetService<IAuditWriter>();
+                    operationTrackingStore = serviceScope.ServiceProvider.GetService<IOperationTrackingStore>();
                 }
 
                 var context = new ScriptRuntimeContext(
@@ -138,7 +145,11 @@ public class ScriptExecutionActor : ReceiveActor
                     // ExternalSystem.Call. Writer is best-effort; failures are logged
                     // and swallowed inside the helper so the script's call path is
                     // never aborted by an audit failure.
-                    auditWriter: auditWriter);
+                    auditWriter: auditWriter,
+                    // Audit Log #23 (M3 Bundle A — Task A3): site-local tracking store
+                    // backing Tracking.Status(id). Authoritative source of truth for
+                    // cached-call status — read directly by the script API.
+                    operationTrackingStore: operationTrackingStore);
 
                 var globals = new ScriptGlobals
                 {