chore(claude-do): [A3] Settings + Update-Check: OperationStatus für Skill-Inst

Vorgaben: `docs/superpowers/plans/2026-08-11-operation-feedback.md`, Gruppe A, Entwurf A3. P0-1 ist gemergt: `src/ClaudeDo.Ui/Services/OperationStatus.cs` + `src/ClaudeDo.Ui/Views/Controls/OperationIndicator.axaml`.

SCOPE-ÄNDERUNG (Nutzer, 2026-08-12): OnlineInbox Sign-In/Sign-Out ist AUS DEM SCOPE GENOMMEN — vorerst unwichtig. `ViewModels/Modals/Settings/OnlineInboxSettingsViewModel.cs` und die

ClaudeDo-Task: 2356806f-f16e-4652-b615-4562e95c3a65

tests/ClaudeDo.Ui.Tests/ViewModels/RepoImportModalViewModelTests.cs

@@ -69,6 +69,18 @@ public sealed class RepoImportModalViewModelTests : IDisposable
         Assert.Null(reportedError);
     }
 
+    [Fact]
+    public async Task LoadAsync_ScanCompletes_ScanOpIsRunningResetToFalse()
+    {
+        var worker = new FakeWorkerClient { Folders = new List<string> { @"C:\src" } };
+        var vm = new RepoImportModalViewModel(new TestDbFactory(NewContext), worker);
+
+        await vm.LoadAsync();
+
+        Assert.False(vm.ScanOp.IsRunning);
+        Assert.False(vm.ScanOp.ShowIndicator);
+    }
+
     [Fact]
     public async Task LoadAsync_HubFailure_ReportsErrorInsteadOfSilentEmptyList()
     {