enhance: elevate stop_event to ChatAgent.__init__()

Author: a7m-1st

camel/agents/chat_agent.py

@@ -16,6 +16,7 @@
 import json
 import logging
 import textwrap
+import threading
 import uuid
 from collections import defaultdict
 from datetime import datetime
@@ -151,6 +152,9 @@ class ChatAgent(BaseAgent):
             model calling at each step. (default: :obj:`False`)
         agent_id (str, optional): The ID of the agent. If not provided, a
             random UUID will be generated. (default: :obj:`None`)
+        stop_event (Optional[threading.Event], optional): Event to signal
+            termination of the agent's operation. When set, the agent will
+            terminate its execution. (default: :obj:`None`)
     """
 
     def __init__(
@@ -182,6 +186,7 @@ def __init__(
         scheduling_strategy: str = "round_robin",
         single_iteration: bool = False,
         agent_id: Optional[str] = None,
+        stop_event: Optional[threading.Event] = None,
     ) -> None:
         # Resolve model backends and set up model manager
         resolved_models = self._resolve_models(model)
@@ -252,6 +257,7 @@ def __init__(
         self.terminated = False
         self.response_terminators = response_terminators or []
         self.single_iteration = single_iteration
+        self.stop_event = stop_event
 
     def reset(self):
         r"""Resets the :obj:`ChatAgent` to its initial state."""