fix: remove retry_btn, undo_btn, clear_btn from ChatInterface for gradio 5.0

CodeWeaver/ui/app.py

@@ -152,17 +152,15 @@ def create_demo() -> gr.Blocks:
                 container=False,
                 scale=7
             ),
-            retry_btn=None,
-            undo_btn=None,
-            clear_btn="🗑️ 대화 초기화",
             additional_inputs=[session_id_input],
         )
         
-        # Clear 버튼 핸들러
+        # Clear 버튼 핸들러 (Gradio 5.0+에서는 clear_btn이 자동으로 생성됨)
         def reset_session():
             return str(uuid.uuid4())
         
-        if chatbot_interface.clear_btn:
+        # ChatInterface의 clear 버튼에 세션 리셋 핸들러 추가
+        if hasattr(chatbot_interface, 'clear_btn') and chatbot_interface.clear_btn:
             chatbot_interface.clear_btn.click(
                 reset_session,
                 None,