Start refactoring UI concerns away from game and into UI logic class

Zennysoft.Game.Ma.Implementation/UI/InGameUI/InGameUILogic.State.cs

@@ -0,0 +1,30 @@
+using Chickensoft.Introspection;
+using Chickensoft.LogicBlocks;
+
+namespace Zennysoft.Game.Ma.Implementation;
+
+public partial class InGameUILogic
+{
+  [Meta]
+  public abstract partial record State : StateLogic<State>
+  {
+    protected State()
+    {
+      OnAttach(() =>
+      {
+        var gameRepo = Get<IGameRepo>();
+        gameRepo.AnnounceMessage += OnAnnounceMessage;
+      });
+      OnDetach(() =>
+      {
+        var gameRepo = Get<IGameRepo>();
+        gameRepo.AnnounceMessage -= OnAnnounceMessage;
+      });
+    }
+
+    private void OnAnnounceMessage(string message)
+    {
+      Output(new Output.AnnounceMessage(message));
+    }
+  }
+}