Big refactor in place: Organize nodes in line with dependency injection expectations, use state machine flow more

src/game/GameLogic.Input.cs

@@ -17,6 +17,14 @@
       public readonly record struct GameOver;
 
       public readonly record struct LoadNextFloor;
+
+      public readonly record struct FloorExitReached;
+
+      public readonly record struct FloorClearTransitioned;
+
+      public readonly record struct PauseButtonPressed;
+
+      public readonly record struct PauseMenuTransitioned;
     }
   }
 }