Overhaul game state logic to support gameplay loop

Zennysoft.Game.Ma.Implementation/Game/state/gamestates/GameState.State.FloorExitScreen.cs

@@ -0,0 +1,30 @@
+using Chickensoft.Introspection;
+using Chickensoft.LogicBlocks;
+
+namespace Zennysoft.Ma.Adapter;
+
+public partial class GameState
+{
+  public partial record State
+  {
+    [Meta, LogicBlock(typeof(State), Diagram = true)]
+    public partial record FloorExitScreen : State, IGet<Input.LoadNextFloor>, IGet<Input.ReturnToMainMenu>
+    {
+      public FloorExitScreen()
+      {
+        OnAttach(() => Get<IGameRepo>().Pause());
+      }
+
+      public Transition On(in Input.LoadNextFloor input)
+      {
+        Output(new Output.LoadNextFloor());
+        return To<InGame>();
+      }
+
+      public Transition On(in Input.ReturnToMainMenu input)
+      {
+        return To<MainMenu>();
+      }
+    }
+  }
+}