chore: add todos

modules/routes/routeChatbot.py

@@ -46,6 +46,10 @@ async def post_chat_message_stream(
     Returns Server-Sent Events (SSE) stream with status updates and final response.
     """
     try:
+        # TODO: Add helper here, if no thread id is provided, add entry in mapping table.
+
+        # TODO: If not provided, create new thread in LangGraph's checkpointer, and add it to mapping table.
+
         # Generate or use existing thread_id
         thread_id = message_request.thread_id or f"thread_{uuid.uuid4()}"