ui changes for modularity and npc generation

viewmodels/mainwindowviewmodel.cs

@@ -53,16 +53,24 @@ namespace finder2e_foundry_converter.ViewModels
         public ObservableCollection<string> Models { get; } = new();
 
         [ObservableProperty]
+        [NotifyPropertyChangedFor(nameof(IsNpcSelected))]
         private string? _selectedCategory;
 
         public ObservableCollection<string> Categories { get; } = new() { "NPCs" };
 
+        [ObservableProperty]
+        private int _selectedLevel = 1;
+
+        public ObservableCollection<int> Levels { get; } = new();
+
         [ObservableProperty]
         private string _name = string.Empty;
 
         [ObservableProperty]
         private string _description = string.Empty;
 
+        public bool IsNpcSelected => SelectedCategory == "NPCs";
+
         public ObservableCollection<ImageItem> ImageItems { get; } = new();
 
         [ObservableProperty]
@@ -77,6 +85,10 @@ namespace finder2e_foundry_converter.ViewModels
         public MainWindowViewModel()
         {
             // Load saved preferences would go here if we had a settings service
+            for (int i = -1; i <= 24; i++)
+            {
+                Levels.Add(i);
+            }
             _ = StartModelRefreshLoop();
         }