From 4c6a5d4aa1795011b0c77559210ec4b1845ef911 Mon Sep 17 00:00:00 2001
From: Kurt <65111699+q33566@users.noreply.github.com>
Date: Thu, 11 Dec 2025 10:34:12 +0800
Subject: [PATCH] =?UTF-8?q?Python:=20fix:=20GroupChat=20ManagerSelectionRe?=
 =?UTF-8?q?sponse=20JSON=20Schema=20for=20OpenAI=20Structured=20Outpu?=
 =?UTF-8?q?=E2=80=A6=20(#2750)?=
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* fix: ManagerSelectionResponse JSON Schema for OpenAI Structured Output Strict Mode

* refactor: install pre-commit then commit again
---
 .../packages/core/agent_framework/_workflows/_group_chat.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/python/packages/core/agent_framework/_workflows/_group_chat.py b/python/packages/core/agent_framework/_workflows/_group_chat.py
index eab720a4b1..725a5c829c 100644
--- a/python/packages/core/agent_framework/_workflows/_group_chat.py
+++ b/python/packages/core/agent_framework/_workflows/_group_chat.py
@@ -132,7 +132,11 @@ class ManagerSelectionResponse(BaseModel):
         final_message: Optional final message string when finishing conversation (will be converted to ChatMessage)
     """
 
-    model_config = {"extra": "forbid"}
+    model_config = {
+        "extra": "forbid",
+        # OpenAI strict mode requires all properties to be in required array
+        "json_schema_extra": {"required": ["selected_participant", "instruction", "finish", "final_message"]},
+    }
 
     selected_participant: str | None = None
     instruction: str | None = None