Update app.py

Author: crpietschmann

Backend/app.py

@@ -55,6 +55,8 @@ def run_cosmic_works_ai_agent(request: AIRequest):
     return { "message": agent_pool[session_id].run(prompt), "session_id": session_id }
 
 
+# ========================
+# Chat Session State / History Support is below:
 # ========================
 import os
 from dotenv import load_dotenv