fix: bind script PXP-OA planning to command document

Plant3D2026/P_Rec_Annot/src/PRecAnnot.Plant3D2026/EntryPoint.cs

@@ -73,7 +73,11 @@ public sealed class EntryPoint : IExtensionApplication
             document = AcadApplication.DocumentManager.MdiActiveDocument;
             var mode = ParseMode(RuntimeDiagnostics.RuntimeMode);
 
-            var context = new PlantRuntimeContextReader().ReadCurrentContext();
+            // Script-driven commands can run while Plant's implicit current
+            // document lags behind MDI activation. Bind the planner to the
+            // command document captured above, which is also the observer's
+            // fixture identity.
+            var context = new PlantRuntimeContextReader().ReadCurrentContext(document);
             var details = new Dictionary<string, object?>
             {
                 ["ExecutionMode"] = mode.ToString(),

Plant3D2026/P_Rec_Annot/tests/PRecAnnot.Core.Tests/PxpOaRegistrationTests.cs

@@ -33,4 +33,5 @@ public sealed class PxpOaRegistrationTests
     [Fact] public void Observer_DoesNotUseManagedDocumentReferenceAsAcceptance() => Assert.DoesNotContain("ReferenceEquals(sender, fixture)", Observer);
     [Fact] public void Observer_RecordsExactlyTwoSequentialRuns() => Assert.Contains("runs.Count < 2", Observer);
     [Fact] public void Finalize_ReportsMissingPlanSeparatelyFromMissingRuns() => Assert.True(Observer.IndexOf("AUTOMATION_EXPECTS_EXACTLY_TWO_PXP_OA", StringComparison.Ordinal) < Observer.IndexOf("AUTOMATION_PLAN_IDS_DIFFER", StringComparison.Ordinal));
+    [Fact] public void ScriptDrivenPxpOa_BindsPlantContextToCommandDocument() => Assert.Contains("ReadCurrentContext(document)", Entry);
 }