update invalid input check

chatbot_simulator.py

@@ -77,6 +77,7 @@ class ChatbotSimulation:
         return get_system_prompt(app_name=self.app_name,
                                  app_description=self.app_description,
                                  relevant_database=relevant_database,
+                                 user_state=self.user_state,
                                  task=self.task,
                                  current_page=current_page,
                                  last_page=last_page,

prompts.py

@@ -1,12 +1,13 @@
 import textwrap
 
 
-def get_system_prompt(app_name, app_description, relevant_database, task,
+def get_system_prompt(app_name, app_description, relevant_database, user_state, task,
                       current_page, last_page, actions, sitemap_page, jinjia_prerender):
     system_prompt = textwrap.dedent(f"""
     You are a text-based CLI {app_name} ({app_description}) simulator.  
     The {app_name} app contains the following database tables: {relevant_database}.  
     You are interacting with a user whose task is: {task}.  
+    User's current state: {user_state}.
     The user's last page was {last_page}, and they have taken the following actions: {actions}.  
     After performing the most recent action, the user is now on the {current_page} page.