diff --git a/src/Agent/AutopilotMonitor.Agent.V2.Core.Tests/Termination/EnrollmentTerminationHandlerTests.cs b/src/Agent/AutopilotMonitor.Agent.V2.Core.Tests/Termination/EnrollmentTerminationHandlerTests.cs
index 6debe090..a4053311 100644
--- a/src/Agent/AutopilotMonitor.Agent.V2.Core.Tests/Termination/EnrollmentTerminationHandlerTests.cs
+++ b/src/Agent/AutopilotMonitor.Agent.V2.Core.Tests/Termination/EnrollmentTerminationHandlerTests.cs
@@ -424,6 +424,57 @@ namespace AutopilotMonitor.Agent.V2.Core.Tests.Termination
             Assert.Contains("enrollment_summary_shown", rig.EmittedEventTypes);
         }
 
+        // ============================================================= PR-X1 (bdb3cf9d, 2026-05-04)
+        // WhiteGlove Part 1 must NOT launch the summary dialog or emit
+        // enrollment_summary_shown — the device is about to be reseal-rebooted, the user
+        // session does not exist yet, and apps have not installed. The other terminal
+        // stages (Completed / Failed / WhiteGloveCompletedPart2) still launch the dialog.
+
+        [Fact]
+        public void Handle_skips_summary_dialog_on_whiteglove_part1_even_with_dialog_enabled()
+        {
+            using var rig = new Rig();
+            rig.State = new DecisionStateBuilder(DecisionState.CreateInitial("S1", "T1")) { Stage = SessionStage.WhiteGloveSealed }.Build();
+            // Self-destruct stays off so we don't tear down between assertions, dialog is
+            // explicitly enabled to prove the Part-1 stage gate beats the config flag.
+            var cfg = rig.BuildConfig(showDialog: true, selfDestruct: false);
+
+            rig.Build(cfg).Handle(sender: null!,
+                Args(EnrollmentTerminationReason.DecisionTerminalStage, EnrollmentTerminationOutcome.Succeeded, SessionStage.WhiteGloveSealed));
+
+            Assert.DoesNotContain("enrollment_summary_shown", rig.EmittedEventTypes);
+            Assert.False(File.Exists(Path.Combine(rig.StateDir, SummaryDialogLauncher.FinalStatusFileName)),
+                "final-status.json must not be written on WG Part 1 — the dialog launch is skipped.");
+        }
+
+        [Fact]
+        public void Handle_emits_enrollment_summary_shown_on_whiteglove_part2_completion()
+        {
+            using var rig = new Rig();
+            rig.State = new DecisionStateBuilder(DecisionState.CreateInitial("S1", "T1")) { Stage = SessionStage.WhiteGloveCompletedPart2 }.Build();
+            var cfg = rig.BuildConfig(showDialog: true, selfDestruct: false);
+
+            rig.Build(cfg).Handle(sender: null!,
+                Args(EnrollmentTerminationReason.DecisionTerminalStage, EnrollmentTerminationOutcome.Succeeded, SessionStage.WhiteGloveCompletedPart2));
+
+            Assert.Contains("enrollment_summary_shown", rig.EmittedEventTypes);
+            Assert.True(File.Exists(Path.Combine(rig.StateDir, SummaryDialogLauncher.FinalStatusFileName)));
+        }
+
+        [Fact]
+        public void Handle_emits_enrollment_summary_shown_on_failed_termination()
+        {
+            using var rig = new Rig();
+            rig.State = new DecisionStateBuilder(DecisionState.CreateInitial("S1", "T1")) { Stage = SessionStage.Failed }.Build();
+            var cfg = rig.BuildConfig(showDialog: true, selfDestruct: false);
+
+            rig.Build(cfg).Handle(sender: null!,
+                Args(EnrollmentTerminationReason.DecisionTerminalStage, EnrollmentTerminationOutcome.Failed, SessionStage.Failed));
+
+            Assert.Contains("enrollment_summary_shown", rig.EmittedEventTypes);
+            Assert.True(File.Exists(Path.Combine(rig.StateDir, SummaryDialogLauncher.FinalStatusFileName)));
+        }
+
         // ============================================================= Plan §6.2 agent_shutting_down
 
         [Fact]
diff --git a/src/Agent/AutopilotMonitor.Agent.V2.Core/Termination/EnrollmentTerminationHandler.cs b/src/Agent/AutopilotMonitor.Agent.V2.Core/Termination/EnrollmentTerminationHandler.cs
index 812cba70..0b186871 100644
--- a/src/Agent/AutopilotMonitor.Agent.V2.Core/Termination/EnrollmentTerminationHandler.cs
+++ b/src/Agent/AutopilotMonitor.Agent.V2.Core/Termination/EnrollmentTerminationHandler.cs
@@ -191,13 +191,23 @@ namespace AutopilotMonitor.Agent.V2.Core.Termination
                 // also ends the running agent process.
                 EmitAgentShuttingDown(args);
 
-                if (state == null)
+                // PR-X1 (bdb3cf9d follow-up, 2026-05-04) — WhiteGlove Part 1 sealing has
+                // no end-user session and no completed app installs. Launching the summary
+                // dialog there either lands invisibly in the SYSTEM context (about to be
+                // reseal-rebooted) or fails outright; either way the enrollment_summary_shown
+                // event is semantically wrong and pollutes the timeline. Skip the dialog
+                // build + launch + final-status.json write entirely on Part 1; the regular
+                // Completed / Failed / WhiteGloveCompletedPart2 paths still run unchanged.
+                if (!isWhiteGlovePart1)
                 {
-                    _logger.Warning("EnrollmentTerminationHandler: current state unavailable — skipping FinalStatus + SummaryDialog.");
-                }
-                else
-                {
-                    RunBuildAndLaunchDialog(state, args);
+                    if (state == null)
+                    {
+                        _logger.Warning("EnrollmentTerminationHandler: current state unavailable — skipping FinalStatus + SummaryDialog.");
+                    }
+                    else
+                    {
+                        RunBuildAndLaunchDialog(state, args);
+                    }
                 }
 
                 // Plan §5 Fix 4b — emit app_tracking_summary terminal event before the
diff --git a/src/Agent/AutopilotMonitor.Agent.V2/buildcounter.txt b/src/Agent/AutopilotMonitor.Agent.V2/buildcounter.txt
index 30ce1158..3bfc51a6 100644
--- a/src/Agent/AutopilotMonitor.Agent.V2/buildcounter.txt
+++ b/src/Agent/AutopilotMonitor.Agent.V2/buildcounter.txt
@@ -1 +1 @@
-559
+562
diff --git a/src/Agent/AutopilotMonitor.Agent/buildcounter.txt b/src/Agent/AutopilotMonitor.Agent/buildcounter.txt
index bd9b5070..cd2bf3dd 100644
--- a/src/Agent/AutopilotMonitor.Agent/buildcounter.txt
+++ b/src/Agent/AutopilotMonitor.Agent/buildcounter.txt
@@ -1 +1 @@
-1242
+1243