Rip out Microsoft's configuration and replace because it simply doesn't support polymorphism.... we are getting advanced boys!!!

Hyperbar.Windows/Mediators/KeyAcceleratorHandler.cs

@@ -1,14 +1,26 @@
 using Hyperbar.Windows.Interop;
+using System.Diagnostics;
 
 namespace Hyperbar.Windows;
 
 public class KeyAcceleratorHandler(IVirtualKeyboard virtualKeyboard) :
-    IRequestHandler<KeyAcceleratorCommand>
+    IRequestHandler<KeyAcceleratorRequest>
 {
-    public ValueTask<Unit> Handle(KeyAcceleratorCommand command,
+    public ValueTask<Unit> Handle(KeyAcceleratorRequest request,
         CancellationToken cancellationToken)
-    {       
-        virtualKeyboard.Send((int)command.Key);
+    {
+        virtualKeyboard.Send((int)request.Key, request.Modifiers?.Select(modifier => (int)modifier).ToArray() ?? []);
+        return default;
+    }
+}
+
+public class ProcesssAcceleratorHandler :
+    IRequestHandler<ProcessRequest>
+{
+    public ValueTask<Unit> Handle(ProcessRequest request,
+        CancellationToken cancellationToken)
+    {
+        Process.Start(request.Process);
         return default;
     }
 }