In the original orchestrator, all agents get the entire message histo…

…ry, and the message history never gets reset. Make this the default behavior, but give the option to only pass the task to the agent and give the option to reset the agent's history after it accomplishes the task.

autogen/agentchat/contrib/orchestrator_agent.py

@@ -59,6 +59,8 @@ def __init__(
         max_replans: int = 3,
         return_final_answer: bool = False,
         user_agent: Optional[UserProxyAgent] = None,
+        agent_whole_history: bool = True,
+        reset_agent_after_task: bool = False,
         **kwargs
     ):
         super().__init__(
@@ -117,6 +119,8 @@ def __init__(
         self._return_final_answer = return_final_answer
         self._max_rounds = max_rounds
         self._current_round = 0
+        self._agent_whole_history = agent_whole_history
+        self._reset_agent_after_task = reset_agent_after_task
 
         self._team_description = ""
         self._task = ""
@@ -399,9 +403,10 @@ def _select_next_agent(self, task: str) -> Optional[ConversableAgent]:
                         self._task, self._team_description, self._facts, self._plan
                     )
 
-                    # Share new plan with all agents
-                    for agent in self._agents:
-                        self.send(synthesized_prompt, agent)
+                    # Share new plan with all agents if whole history enabled
+                    if self._agent_whole_history:
+                        for agent in self._agents:
+                            self.send(synthesized_prompt, agent)
 
                     logger.info(
                             f"(thought) New plan:\n{synthesized_prompt}"
@@ -466,8 +471,8 @@ def generate_reply(
                 # Execute through executor agent
                 chat_result = self.executor.initiate_chat(
                     recipient=next_agent,
-                    message=last_message,  # Pass full message dict
-                    clear_history=True  # Clear history each time to avoid context pollution
+                    #message=last_message,  # Pass full message dict
+                    clear_history=self._reset_agent_after_task  # Clear history based on reset_agent_after_task setting
                 )
 
                 if chat_result and chat_result.summary: