chore(claude-do): merge fix(ui): Listen-Settings-Modal verschluckt Ladefehler nach d

ClaudeDo-Task: 9256fcfe-6cad-4350-a979-0c49cd5b9799

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

@@ -38,9 +38,12 @@ public class ListSettingsModalViewModelTests
         public Func<Task<List<TicketProjectDto>>>? TicketProjectsFactory;
         public UpdateListConfigDto? SavedListConfig;
 
+        public Exception? GetListConfigThrows;
+
         public override Task<ListConfigDto?> GetListConfigAsync(string listId)
         {
             GetListConfigCalls++;
+            if (GetListConfigThrows is not null) throw GetListConfigThrows;
             return Task.FromResult(Cfg);
         }
 
@@ -125,4 +128,45 @@ public class ListSettingsModalViewModelTests
 
         Assert.Equal(7, worker.SavedListConfig!.TicketProjectId);
     }
+
+    [Fact]
+    public async Task LoadAsync_CoreLoadThrows_BlocksSaveAndDoesNotOverwriteConfig()
+    {
+        var worker = new CountingWorker
+        {
+            Cfg = new ListConfigDto("opus", null, null),
+            GetListConfigThrows = new InvalidOperationException("worker offline"),
+        };
+        var vm = new ListSettingsModalViewModel(worker, NewFactory());
+        string? reported = null;
+        vm.ErrorReported += m => reported = m;
+
+        await vm.LoadAsync("l1", "List One", "/repo", "feat");
+
+        Assert.False(vm.SaveCommand.CanExecute(null));
+        Assert.NotNull(reported);
+        Assert.Contains("worker offline", reported);
+        Assert.Null(worker.SavedListConfig);
+    }
+
+    [Fact]
+    public async Task LoadAsync_TicketProjectsThrow_ReportsErrorButRestOfLoadStillWorks()
+    {
+        var worker = new CountingWorker
+        {
+            Cfg = new ListConfigDto("opus", null, null, null, null, "make test", null, 7, true),
+            TicketProjectsFactory = () => throw new InvalidOperationException("ticket system down"),
+        };
+        var vm = new ListSettingsModalViewModel(worker, NewFactory());
+        string? reported = null;
+        vm.ErrorReported += m => reported = m;
+
+        await vm.LoadAsync("l1", "List One", "/repo", "feat");
+
+        Assert.Equal("make test", vm.VerifyCommand);
+        Assert.True(vm.PowerUseAllowed);
+        Assert.True(vm.SaveCommand.CanExecute(null));
+        Assert.NotNull(reported);
+        Assert.Contains("ticket system down", reported);
+    }
 }