diff --git a/Plant3D2026/P_Rec_Annot/src/PRecAnnot.Plant3D2026/FirstLimitedApplyAutomation.cs b/Plant3D2026/P_Rec_Annot/src/PRecAnnot.Plant3D2026/FirstLimitedApplyAutomation.cs
index 619ed4f..34f4372 100644
--- a/Plant3D2026/P_Rec_Annot/src/PRecAnnot.Plant3D2026/FirstLimitedApplyAutomation.cs
+++ b/Plant3D2026/P_Rec_Annot/src/PRecAnnot.Plant3D2026/FirstLimitedApplyAutomation.cs
@@ -330,22 +330,17 @@ internal sealed class FirstLimitedApplyAutomationCoordinator
         {
             if (exitHandlerSubscribed) AcadApplication.Idle -= OnExitIdle;
             exitHandlerSubscribed = false;
-            // LifecycleProbe deliberately opens no drawing. It is already
-            // executing in the first verified Idle callback, where the managed
-            // quit API has been runtime-confirmed to terminate AutoCAD cleanly.
-            if (document is null && string.Equals(config?.Phase, "LifecycleProbe", StringComparison.OrdinalIgnoreCase))
-            {
-                transitions.Add("LifecycleProbeApplicationQuitRequested");
-                TryWriteEvidence(state == CoordinatorState.Completed, null);
-                AcadApplication.Quit();
-                return;
-            }
-            if (document is null) throw new InvalidOperationException("AUTOMATION_EXIT_DOCUMENT_UNAVAILABLE");
+            // LifecycleProbe opens no fixture document, but the real startup
+            // document is available at this point (observed as Drawing1.dwg).
+            // Use that live document only to queue native QUIT; never retain it
+            // past this callback or use it for fixture/Plant work.
+            var exitDocument = document ?? AcadApplication.DocumentManager.MdiActiveDocument;
+            if (exitDocument is null) throw new InvalidOperationException("AUTOMATION_EXIT_DOCUMENT_UNAVAILABLE");
             transitions.Add("NativeQuitCommandQueued");
             // Persist the exit boundary before handing control back to AutoCAD;
             // process termination can otherwise prevent the final evidence flush.
             TryWriteEvidence(state == CoordinatorState.Completed, null);
-            document.SendStringToExecute("_.QUIT _N ", true, false, false);
+            exitDocument.SendStringToExecute("_.QUIT _N ", true, false, false);
             document = null;
             automationOpenedDocuments.Clear();
         }
diff --git a/Plant3D2026/P_Rec_Annot/tests/PRecAnnot.Core.Tests/FoundationTests.cs b/Plant3D2026/P_Rec_Annot/tests/PRecAnnot.Core.Tests/FoundationTests.cs
index e121b67..ceffacd 100644
--- a/Plant3D2026/P_Rec_Annot/tests/PRecAnnot.Core.Tests/FoundationTests.cs
+++ b/Plant3D2026/P_Rec_Annot/tests/PRecAnnot.Core.Tests/FoundationTests.cs
@@ -105,7 +105,7 @@ public sealed class FoundationTests
         Assert.Contains("AcadApplication.Idle += OnExitIdle", source);
         Assert.Contains("NativeQuitCommandQueued", source);
         Assert.Contains("document.SendStringToExecute(\"_.QUIT _N \", true, false, false);", source);
-        Assert.Contains("LifecycleProbeApplicationQuitRequested", source);
+        Assert.Contains("var exitDocument = document ?? AcadApplication.DocumentManager.MdiActiveDocument;", source);
     }
 
     [Fact] public void Callback_AfterDocumentDestroyed_DoesNotAccessDocument()
@@ -120,7 +120,7 @@ public sealed class FoundationTests
         var source = File.ReadAllText(Path.Combine(ProjectRoot, "src", "PRecAnnot.Plant3D2026", "FirstLimitedApplyAutomation.cs"));
         Assert.DoesNotContain("MdiActiveDocument", source[source.IndexOf("private void DispatchNativeQuit", StringComparison.Ordinal)..]);
         Assert.Contains("AUTOMATION_EXIT_DOCUMENT_UNAVAILABLE", source);
-        Assert.Contains("if (document is null && string.Equals(config?.Phase, \"LifecycleProbe\"", source);
+        Assert.Contains("if (exitDocument is null) throw new InvalidOperationException", source);
     }
 
     [Fact] public void TerminalState_IgnoresFurtherCallbacks()
@@ -160,7 +160,7 @@ public sealed class FoundationTests
         var source = File.ReadAllText(Path.Combine(ProjectRoot, "src", "PRecAnnot.Plant3D2026", "FirstLimitedApplyAutomation.cs"));
         var controlledExit = source[source.IndexOf("private void RequestControlledExit", StringComparison.Ordinal)..];
         Assert.DoesNotContain("document.CloseAndDiscard", controlledExit);
-        Assert.DoesNotContain("MdiActiveDocument", controlledExit);
+        Assert.Contains("var exitDocument = document ?? AcadApplication.DocumentManager.MdiActiveDocument;", controlledExit);
         Assert.Contains("document = null;", controlledExit);
     }