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

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

src/ClaudeDo.Ui/ViewModels/Islands/ListsIslandViewModel.cs

@@ -58,6 +58,7 @@ public sealed partial class ListsIslandViewModel : ViewModelBase, IDisposable
         if (row is null || Dialogs is null || _services is null) return;
         var rawId = row.Id.StartsWith("user:", StringComparison.Ordinal) ? row.Id["user:".Length..] : row.Id;
         var vm = _services.GetRequiredService<ListSettingsModalViewModel>();
+        vm.ErrorReported += msg => ErrorReported?.Invoke(msg);
         vm.BeginLoad(rawId, row.Name, row.WorkingDir, row.DefaultCommitType, row.IsManual, row.FindingsTracked, row.IconKey);
         await Dialogs.ShowListSettingsAsync(vm);
         if (vm.Deleted) await LoadAsync();
@@ -408,6 +409,7 @@ public sealed partial class ListsIslandViewModel : ViewModelBase, IDisposable
         if (Dialogs is not null && _services is not null)
         {
             var vm = _services.GetRequiredService<ListSettingsModalViewModel>();
+            vm.ErrorReported += msg => ErrorReported?.Invoke(msg);
             vm.BeginLoad(entity.Id, entity.Name, entity.WorkingDir, entity.DefaultCommitType, entity.IsManual, entity.FindingsTracked, entity.Icon);
             await Dialogs.ShowListSettingsAsync(vm);
             if (!vm.Saved && !vm.Deleted)

src/ClaudeDo.Ui/ViewModels/Modals/ListSettingsModalViewModel.cs

@@ -34,6 +34,9 @@ public sealed partial class ListSettingsModalViewModel : ViewModelBase
     public Func<string, Task<bool>>? ConfirmAsync { get; set; }
     public Func<string, Task>? ShowErrorAsync { get; set; }
 
+    // Mirrors UsageMonitorModalViewModel.ErrorReported — the caller wires this into FlashFooterError.
+    public event Action<string>? ErrorReported;
+
     [ObservableProperty] private string _name = "";
     [ObservableProperty] private string _workingDir = "";
     [ObservableProperty] private string _defaultCommitType = CommitTypeRegistry.DefaultType;
@@ -65,6 +68,11 @@ public sealed partial class ListSettingsModalViewModel : ViewModelBase
     [NotifyCanExecuteChangedFor(nameof(DeleteCommand))]
     private bool _isLoading;
 
+    // Set when the core load (name/agent/verify command) threw — keeps Save gated even after
+    // IsLoading resets to false in LoadAsync's finally, so a failed load can't clobber the
+    // stored config with blank fields.
+    private bool _loadFailed;
+
     // True once GetTicketProjectsAsync has completed successfully for the current load — Save
     // only writes an explicit TicketProjectId when this is true, so a slow/unreachable ticket
     // system leaves the stored link untouched instead of wiping it to "none".
@@ -128,8 +136,9 @@ public sealed partial class ListSettingsModalViewModel : ViewModelBase
         string? icon = null,
         CancellationToken ct = default)
     {
-        ListConfigDto? cfg;
+        ListConfigDto? cfg = null;
         IsLoading = true;
+        _loadFailed = false;
         try
         {
             ListId = listId;
@@ -147,8 +156,18 @@ public sealed partial class ListSettingsModalViewModel : ViewModelBase
             VerifyCommand = cfg?.VerifyCommand ?? "";
             PowerUseAllowed = cfg?.PowerUseAllowed ?? false;
         }
+        catch (Exception ex)
+        {
+            // BeginLoad fires this without awaiting it — catching here (instead of letting it
+            // propagate) turns what would be an unobserved task exception, with the modal stuck
+            // open and every field blank, into a reported error and a locked Save button.
+            _loadFailed = true;
+            ErrorReported?.Invoke(Loc.T("vm.listSettings.loadFailed", ex.Message));
+        }
         finally { IsLoading = false; }
 
+        if (_loadFailed) return;
+
         // Deliberately NOT awaited: an unreachable ticket system (10s HTTP timeout) must not hold
         // up the rest of the modal. The dropdown just stays empty until this finishes.
         _ = LoadTicketProjectsAsync(cfg?.TicketProjectId);
@@ -179,15 +198,16 @@ public sealed partial class ListSettingsModalViewModel : ViewModelBase
                 : TicketProjects[0];
             _ticketProjectsLoaded = true;
         }
-        catch (Exception)
+        catch (Exception ex)
         {
             // Ticket system unreachable/slow — leave the dropdown as-is. Save's tri-state (below)
             // skips writing TicketProjectId when _ticketProjectsLoaded is false, so the stored
             // link survives instead of being wiped to "none".
+            ErrorReported?.Invoke(Loc.T("vm.listSettings.ticketProjectsLoadFailed", ex.Message));
         }
     }
 
-    private bool CanSave() => !IsLoading;
+    private bool CanSave() => !IsLoading && !_loadFailed;
     private bool CanDelete() => !IsLoading;
 
     [RelayCommand(CanExecute = nameof(CanSave))]