feat(ui): Ticket-Projekt pro Liste und Import ueber das Kontextmenue

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

@@ -11,6 +11,10 @@ using Microsoft.EntityFrameworkCore;
 
 namespace ClaudeDo.Ui.ViewModels.Modals;
 
+// UI-only projection of TicketProjectDto for the ComboBox display text, plus a synthetic
+// Id=0 "none" entry (mirrors AgentConfigEditorViewModel's "(none)" AgentInfo placeholder).
+public sealed record TicketProjectOption(int Id, string Display);
+
 public sealed partial class ListSettingsModalViewModel : ViewModelBase
 {
     private readonly IWorkerClient _worker;
@@ -39,6 +43,10 @@ public sealed partial class ListSettingsModalViewModel : ViewModelBase
     // When on, the queue picker holds back a queued task whose declared scope globs overlap a
     // running/awaiting-merge sibling in this list (ListConfigEntity.SerializeOnFileOverlap).
     [ObservableProperty] private bool _serializeOnFileOverlap;
+    // Dropdown hidden entirely when no ticket-system base URL is configured (Settings → Files tab).
+    [ObservableProperty] private bool _ticketsAvailable;
+    [ObservableProperty] private TicketProjectOption? _selectedTicketProject;
+    public ObservableCollection<TicketProjectOption> TicketProjects { get; } = new();
 
     public ObservableCollection<string> CommitTypeOptions { get; } = new(CommitTypeRegistry.Types);
 
@@ -75,6 +83,24 @@ public sealed partial class ListSettingsModalViewModel : ViewModelBase
         var cfg = await _worker.GetListConfigAsync(listId);
         VerifyCommand = cfg?.VerifyCommand ?? "";
         SerializeOnFileOverlap = cfg?.SerializeOnFileOverlap ?? false;
+
+        var ticketSettings = await _worker.GetTicketSettingsAsync();
+        TicketsAvailable = !string.IsNullOrWhiteSpace(ticketSettings?.ApiBaseUrl);
+        TicketProjects.Clear();
+        if (TicketsAvailable)
+        {
+            TicketProjects.Add(new TicketProjectOption(0, Loc.T("vm.listSettings.ticketProjectNone")));
+            foreach (var p in await _worker.GetTicketProjectsAsync())
+                TicketProjects.Add(new TicketProjectOption(p.Id, $"{p.DepartmentName} / {p.Title}"));
+
+            SelectedTicketProject = cfg?.TicketProjectId is int id
+                ? TicketProjects.FirstOrDefault(t => t.Id == id) ?? TicketProjects[0]
+                : TicketProjects[0];
+        }
+        else
+        {
+            SelectedTicketProject = null;
+        }
     }
 
     [RelayCommand]
@@ -88,9 +114,15 @@ public sealed partial class ListSettingsModalViewModel : ViewModelBase
             IsManual,
             FindingsTracked));
 
+        // Tri-state: dropdown never shown (no base URL) -> null, leave the stored link alone.
+        // Dropdown shown -> always an explicit value, 0 for "— none —" to actively clear it.
+        // Never null here, or an explicit unlink would silently fail to reach the worker.
+        var ticketProjectId = TicketsAvailable ? (SelectedTicketProject?.Id ?? 0) : (int?)null;
+
         await Agent.SaveAsync(
             string.IsNullOrWhiteSpace(VerifyCommand) ? null : VerifyCommand,
-            SerializeOnFileOverlap);
+            SerializeOnFileOverlap,
+            ticketProjectId);
 
         CloseAction?.Invoke();
     }