Add role to reflection with llm

autogen/agentchat/conversable_agent.py

@@ -937,6 +937,7 @@ def my_summary_method(
                 One example key is "summary_prompt", and value is a string of text used to prompt a LLM-based agent (the sender or receiver agent) to reflect
                 on the conversation and extract a summary when summary_method is "reflection_with_llm".
                 The default summary_prompt is DEFAULT_SUMMARY_PROMPT, i.e., "Summarize takeaway from the conversation. Do not add any introductory phrases. If the intended request is NOT properly addressed, please point it out."
+                Another available key is "summary_role", which is the role of the message sent to the agent in charge of summarizing. Default is "system".
             message (str, dict or Callable): the initial message to be sent to the recipient. Needs to be provided. Otherwise, input() will be called to get the initial message.
                 - If a string or a dict is provided, it will be used as the initial message.        `generate_init_message` is called to generate the initial message for the agent based on this string and the context.
                     If dict, it may contain the following reserved fields (either content or tool_calls need to be provided).
@@ -1168,8 +1169,13 @@ def _reflection_with_llm_as_summary(sender, recipient, summary_args):
             raise ValueError("The summary_prompt must be a string.")
         msg_list = recipient.chat_messages_for_summary(sender)
         agent = sender if recipient is None else recipient
+        role = summary_args.get("summary_role", None)
+        if role and not isinstance(role, str):
+            raise ValueError("The summary_role in summary_arg must be a string.")
         try:
-            summary = sender._reflection_with_llm(prompt, msg_list, llm_agent=agent, cache=summary_args.get("cache"))
+            summary = sender._reflection_with_llm(
+                prompt, msg_list, llm_agent=agent, cache=summary_args.get("cache"), role=role
+            )
         except BadRequestError as e:
             warnings.warn(
                 f"Cannot extract summary using reflection_with_llm: {e}. Using an empty str as summary.", UserWarning
@@ -1178,7 +1184,12 @@ def _reflection_with_llm_as_summary(sender, recipient, summary_args):
         return summary
 
     def _reflection_with_llm(
-        self, prompt, messages, llm_agent: Optional[Agent] = None, cache: Optional[AbstractCache] = None
+        self,
+        prompt,
+        messages,
+        llm_agent: Optional[Agent] = None,
+        cache: Optional[AbstractCache] = None,
+        role: Union[str, None] = None,
     ) -> str:
         """Get a chat summary using reflection with an llm client based on the conversation history.
 
@@ -1187,10 +1198,14 @@ def _reflection_with_llm(
             messages (list): The messages generated as part of a chat conversation.
             llm_agent: the agent with an llm client.
             cache (AbstractCache or None): the cache client to be used for this conversation.
+            role (str): the role of the message, usually "system" or "user". Default is "system".
         """
+        if not role:
+            role = "system"
+
         system_msg = [
             {
-                "role": "system",
+                "role": role,
                 "content": prompt,
             }
         ]

test/agentchat/test_groupchat.py

@@ -5,9 +5,10 @@
 import json
 import logging
 from typing import Any, Dict, List, Optional
-from unittest import mock
+from unittest import TestCase, mock
 
 import pytest
+from test_assistant_agent import KEY_LOC, OAI_CONFIG_LIST
 
 import autogen
 from autogen import Agent, AssistantAgent, GroupChat, GroupChatManager
@@ -1446,6 +1447,46 @@ def test_speaker_selection_agent_name_match():
     assert result == {}
 
 
+def test_role_for_reflection_summary():
+    llm_config = {"config_list": [{"model": "mock", "api_key": "mock"}]}
+    agent1 = autogen.ConversableAgent(
+        "alice",
+        max_consecutive_auto_reply=10,
+        human_input_mode="NEVER",
+        llm_config=False,
+        default_auto_reply="This is alice speaking.",
+    )
+    agent2 = autogen.ConversableAgent(
+        "bob",
+        max_consecutive_auto_reply=10,
+        human_input_mode="NEVER",
+        llm_config=False,
+        default_auto_reply="This is bob speaking.",
+    )
+    groupchat = autogen.GroupChat(
+        agents=[agent1, agent2], messages=[], max_round=3, speaker_selection_method="round_robin"
+    )
+    group_chat_manager = autogen.GroupChatManager(groupchat=groupchat, llm_config=llm_config)
+
+    role_name = "user"
+    with mock.patch.object(
+        autogen.ConversableAgent, "_generate_oai_reply_from_client"
+    ) as mock_generate_oai_reply_from_client:
+        mock_generate_oai_reply_from_client.return_value = "Mocked summary"
+
+        agent1.initiate_chat(
+            group_chat_manager,
+            max_turns=2,
+            message="hello",
+            summary_method="reflection_with_llm",
+            summary_args={"summary_role": role_name},
+        )
+
+        mock_generate_oai_reply_from_client.assert_called_once()
+        args, kwargs = mock_generate_oai_reply_from_client.call_args
+        assert kwargs["messages"][-1]["role"] == role_name
+
+
 def test_speaker_selection_auto_process_result():
     """
     Tests the return result of the 2-agent chat used for speaker selection for the auto method.
@@ -1984,12 +2025,16 @@ def test_manager_resume_messages():
     # test_role_for_select_speaker_messages()
     # test_select_speaker_message_and_prompt_templates()
     # test_speaker_selection_agent_name_match()
+    # test_role_for_reflection_summary()
+    # test_speaker_selection_auto_process_result()
+    # test_speaker_selection_validate_speaker_name()
+    # test_select_speaker_auto_messages()
     # test_speaker_selection_auto_process_result()
     # test_speaker_selection_validate_speaker_name()
     # test_select_speaker_auto_messages()
-    test_manager_messages_to_string()
-    test_manager_messages_from_string()
-    test_manager_resume_functions()
-    test_manager_resume_returns()
-    test_manager_resume_messages()
-    # pass
+    # test_manager_messages_to_string()
+    # test_manager_messages_from_string()
+    # test_manager_resume_functions()
+    # test_manager_resume_returns()
+    # test_manager_resume_messages()
+    pass