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

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

src/ClaudeDo.Localization/locales/de.json

@@ -772,7 +772,7 @@
     "sessionSkillsTab": { "installed": "Installiert: {0}", "installFailed": "Installation fehlgeschlagen: {0}", "updated": "Aktualisiert.", "updateFailed": "Aktualisierung fehlgeschlagen: {0}", "removed": "Entfernt.", "removeFailed": "Entfernen fehlgeschlagen: {0}" },
     "worktreesTab": { "workerOffline": "Worker offline.", "removed": "{0} Worktree(s) entfernt.", "blocked": "Zwangsentfernung nicht möglich: {0} Aufgabe(n) laufen noch. Brich sie zuerst ab.", "removedFrom": "{0} Worktree(s) von {1} Aufgabe(n) entfernt.", "cleanupFailed": "Aufräumen fehlgeschlagen: {0}", "resetFailed": "Zurücksetzen fehlgeschlagen: {0}" },
     "worktreesOverview": { "titleAll": "Worktrees", "titleList": "Worktrees — {0}", "listFallback": "Liste", "cleanupFailed": "Aufräumen fehlgeschlagen.", "cleanupFailedDetailed": "Aufräumen fehlgeschlagen: {0}", "removed": "{0} Worktree(s) entfernt.", "discardConfirm": "Worktree für \"{0}\" verwerfen? Nicht committete Arbeit geht verloren.", "discardFailed": "Worktree konnte nicht verworfen werden.", "keepFailed": "Worktree konnte nicht behalten werden.", "cannotForceRunning": "Eine laufende Aufgabe kann nicht zwangsweise entfernt werden.", "forceRemoveFailed": "Zwangsentfernung fehlgeschlagen.", "forceRemoveFailedDetailed": "Zwangsentfernung fehlgeschlagen: {0}", "batchDone": "{0} gemergt, {1} zu lösen.", "openInExplorerFailed": "Pfad konnte nicht geöffnet werden: {0}" },
-    "listSettings": { "untitled": "Unbenannt", "ticketProjectNone": "— keins —" },
+    "listSettings": { "untitled": "Unbenannt", "ticketProjectNone": "— keins —", "loadFailed": "Listeneinstellungen konnten nicht geladen werden: {0}", "ticketProjectsLoadFailed": "Ticket-Projekte konnten nicht geladen werden: {0}" },
     "detailsIsland": { "verifyFailed": "Merge ist erfolgt, aber das Verifikationskommando der Liste ist fehlgeschlagen — die Aufgabe wurde nicht auf 'Erledigt' gesetzt.", "untrackedCollision": "Merge abgelehnt — er würde eine unversionierte Datei im Ziel-Arbeitsverzeichnis überschreiben.", "stopOffline": "Worker offline — Task kann nicht gestoppt werden.", "stopFailed": "Stoppen fehlgeschlagen: {0}", "enqueueFailed": "In die Warteschlange stellen fehlgeschlagen: {0}", "dequeueFailed": "Aus der Warteschlange entfernen fehlgeschlagen: {0}", "resetAndRetryFailed": "Zurücksetzen & erneut versuchen fehlgeschlagen: {0}", "toggleDoneFailed": "Erledigt-Status konnte nicht aktualisiert werden: {0}" },
     "mergeSection": { "openWorktreeFailed": "Worktree konnte nicht geöffnet werden: {0}" },
     "about": { "openPathFailed": "Pfad konnte nicht geöffnet werden: {0}" },

src/ClaudeDo.Localization/locales/en.json

@@ -772,7 +772,7 @@
     "sessionSkillsTab": { "installed": "Installed: {0}", "installFailed": "Install failed: {0}", "updated": "Updated.", "updateFailed": "Update failed: {0}", "removed": "Removed.", "removeFailed": "Remove failed: {0}" },
     "worktreesTab": { "workerOffline": "Worker offline.", "removed": "Removed {0} worktree(s).", "blocked": "Cannot force-remove: {0} task(s) still running. Cancel them first.", "removedFrom": "Removed {0} worktree(s) from {1} task(s).", "cleanupFailed": "Cleanup failed: {0}", "resetFailed": "Reset failed: {0}" },
     "worktreesOverview": { "titleAll": "Worktrees", "titleList": "Worktrees — {0}", "listFallback": "list", "cleanupFailed": "Cleanup failed.", "cleanupFailedDetailed": "Cleanup failed: {0}", "removed": "Removed {0} worktree(s).", "discardConfirm": "Discard the worktree for \"{0}\"? Uncommitted work will be lost.", "discardFailed": "Failed to discard worktree.", "keepFailed": "Failed to keep worktree.", "cannotForceRunning": "Cannot force-remove a running task.", "forceRemoveFailed": "Force remove failed.", "forceRemoveFailedDetailed": "Force remove failed: {0}", "batchDone": "Merged {0}, {1} need resolution.", "openInExplorerFailed": "Couldn't open path: {0}" },
-    "listSettings": { "untitled": "Untitled", "ticketProjectNone": "— none —" },
+    "listSettings": { "untitled": "Untitled", "ticketProjectNone": "— none —", "loadFailed": "Couldn't load list settings: {0}", "ticketProjectsLoadFailed": "Couldn't load ticket projects: {0}" },
     "detailsIsland": { "verifyFailed": "Merge landed, but the list's verify command failed — the task was kept out of Done.", "untrackedCollision": "Merge refused — it would overwrite an untracked file in the target working directory.", "stopOffline": "Worker offline — can't stop the task.", "stopFailed": "Stop failed: {0}", "enqueueFailed": "Queue failed: {0}", "dequeueFailed": "Remove from queue failed: {0}", "resetAndRetryFailed": "Reset & retry failed: {0}", "toggleDoneFailed": "Couldn't update done state: {0}" },
     "mergeSection": { "openWorktreeFailed": "Couldn't open worktree: {0}" },
     "about": { "openPathFailed": "Couldn't open path: {0}" },

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))]

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);
+    }
 }