feat(gui): managed uninstall + Deployed badge (parity U5)

docs/plans/2026-07-16-001-three-project-parity-architecture-plan.md

@@ -356,7 +356,7 @@ Gate itself remains **U7 / #170** until that PR lands — do not bypass it when
 |------|--------|
 | U3 CLI `--profile` + shared session polish | In PR (CLI `--managed`/`--no-managed`/`--profile`) |
 | U4 Managed VFS / validation parity | Deferred |
-| U5 Uninstall / purge GUI | Deferred |
+| U5 Uninstall / purge GUI | In PR (context uninstall + Deployed badge; purge menu already shipped) |
 | U6 Patcher provenance (ImmutableCheckpoint) | Deferred |
 | U7 FOMOD gate (#170) + living-plan sync | Deferred (open PR) |
 | U8 `modsync://` Phase 2 OS consume | Deferred |

src/ModSync.GUI/Controls/ModListItem.axaml

@@ -43,7 +43,7 @@
                 <!--  Main mod info (always visible)  -->
                 <Grid x:Name="MainModInfo" Grid.Row="0" RowDefinitions="Auto,Auto">
                     <!--  Row 0: main info across 6 columns  -->
-                    <Grid Grid.Row="0" ColumnDefinitions="Auto,Auto,*,Auto,Auto,Auto,Auto">
+                    <Grid Grid.Row="0" ColumnDefinitions="Auto,Auto,*,Auto,Auto,Auto,Auto,Auto">
 
                         <!--  Checkbox  -->
                         <CheckBox
@@ -103,10 +103,28 @@
                                 TextTrimming="CharacterEllipsis" />
                         </Border>
 
+                        <!--  Managed deployment badge  -->
+                        <Border
+                            x:Name="ManagedDeployedBadge"
+                            Grid.Column="4"
+                            Margin="4,0,4,0"
+                            Padding="6,2"
+                            VerticalAlignment="Top"
+                            Classes="mod-list-item-badge"
+                            CornerRadius="6"
+                            IsVisible="False"
+                            ToolTip.Tip="This mod has a managed deployment manifest for the active profile">
+                            <TextBlock
+                                HorizontalAlignment="Center"
+                                VerticalAlignment="Center"
+                                Text="Deployed"
+                                TextTrimming="CharacterEllipsis" />
+                        </Border>
+
                         <!--  Validation Status Icon  -->
                         <TextBlock
                             x:Name="ValidationIcon"
-                            Grid.Column="4"
+                            Grid.Column="5"
                             Margin="4,0,8,0"
                             VerticalAlignment="Top"
                             FontSize="14"
@@ -115,7 +133,7 @@
                         <!--  Drag Handle (Editor Mode Only)  -->
                         <TextBlock
                             x:Name="DragHandle"
-                            Grid.Column="5"
+                            Grid.Column="6"
                             VerticalAlignment="Center"
                             Classes="mod-list-item-drag-handle"
                             Cursor="Hand"
@@ -128,7 +146,7 @@
                         <!--  Download Button  -->
                         <Button
                             x:Name="DownloadButton"
-                            Grid.Column="6"
+                            Grid.Column="7"
                             Width="24"
                             Height="24"
                             Margin="4,0,0,0"

src/ModSync.GUI/Controls/ModListItem.axaml.cs

@@ -547,9 +547,22 @@ private void UpdateFromModManagementService()
 
             UpdateValidationState(component);
 
+            UpdateManagedDeployedBadge(component);
+
             ContextMenu = mainWindow.BuildContextMenuForComponent(component);
         }
 
+        private void UpdateManagedDeployedBadge(ModComponent component)
+        {
+            Border badge = this.FindControl<Border>("ManagedDeployedBadge");
+            if (badge is null || component is null)
+            {
+                return;
+            }
+
+            badge.IsVisible = ManagedDeploymentActions.IsComponentDeployed(component.Guid);
+        }
+
         private void UpdateEditorModeVisibility(bool isEditorMode)
         {
 

src/ModSync.GUI/Services/ManagedDeploymentActions.cs

@@ -113,6 +113,25 @@ await ManagedDeploymentLifecycle
             }
         }
 
+        /// <summary>
+        /// Returns whether a deployment manifest exists for <paramref name="componentGuid"/>
+        /// under the current managed profile (false in classic mode or on resolve errors).
+        /// </summary>
+        public static bool IsComponentDeployed(Guid componentGuid)
+        {
+            if (!TryResolveBackend(out IInstallBackend backend, out _, out _))
+            {
+                return false;
+            }
+
+            if (backend is ManagedDeploymentInstallBackend managed)
+            {
+                return managed.DeploymentService.TryGetManifest(componentGuid, out _);
+            }
+
+            return false;
+        }
+
         private static bool TryResolveBackend(
             out IInstallBackend backend,
             out string error,

src/ModSync.GUI/Services/MenuBuilderService.cs

@@ -100,6 +100,37 @@ public ContextMenu BuildContextMenuForComponent(
                 }),
             });
 
+            if (ManagedDeploymentActions.IsComponentDeployed(component.Guid))
+            {
+                contextMenu.Items.Add(new Separator());
+                contextMenu.Items.Add(new MenuItem
+                {
+                    Header = "Uninstall Managed Deployment",
+                    Command = ReactiveCommand.CreateFromTask(async () =>
+                    {
+                        bool? confirmed = await ConfirmationDialog.ShowConfirmationDialogAsync(
+                            _parentWindow,
+                            confirmText:
+                                $"Uninstall the managed deployment for '{component.Name}'?\n\n" +
+                                "Vanilla backups will be restored where available.",
+                            yesButtonText: "Uninstall",
+                            noButtonText: "Cancel");
+                        if (confirmed != true)
+                        {
+                            return;
+                        }
+
+                        (bool success, string message) = await ManagedDeploymentActions
+                            .UninstallComponentAsync(component.Guid)
+                            .ConfigureAwait(true);
+                        await InformationDialog.ShowInformationDialogAsync(
+                            _parentWindow,
+                            message,
+                            success ? "Uninstall complete" : "Uninstall failed");
+                    }),
+                });
+            }
+
             if (editorMode)
             {
                 AddEditorModeMenuItems(contextMenu, component, setCurrentComponent, setTab, tabControl, guiEditTab, rawEditTab, onMoveRelative, onRemoveComponent, onInstallSingle);