feat(user-sessions): add custom exceptions for game logic and enhance user session interaction

knockoutwhistweb/app/exceptions/NotInteractableException.java

@@ -1,6 +1,6 @@
 package exceptions;
 
-public class NotInteractableException extends RuntimeException {
+public class NotInteractableException extends GameException {
     public NotInteractableException(String message) {
         super(message);
     }