Thumbnail strip: show hotkey label next to each scene name

Models/Scene.cs

@@ -15,6 +15,7 @@ public class Scene : INotifyPropertyChanged
     private bool _hasSocialBar;
     private bool _isStaged;
     private bool _isLive;
+    private string _hotkeyLabel = string.Empty;
 
     public bool IsStaged
     {
@@ -83,6 +84,16 @@ public class Scene : INotifyPropertyChanged
         set => Set(ref _snapshot, value);
     }
 
+    /// <summary>
+    /// The current hotkey label for this scene (e.g. "F1", "Ctrl+F10").
+    /// Set by MainViewModel from the active bindings; empty for non-canonical scenes.
+    /// </summary>
+    public string HotkeyLabel
+    {
+        get => _hotkeyLabel;
+        set => Set(ref _hotkeyLabel, value);
+    }
+
     public event PropertyChangedEventHandler? PropertyChanged;
 
     private void Set<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)