beautifulsoup4==4.13.5 chessimg2pos==0.1.4 gradio==5.47.0 langchain_community==0.3.29 langchain_core==0.3.76 langchain_experimental==0.3.4 langchain_google_genai==2.1.12 langchain_openai==0.3.33 langchain_tavily==0.2.11 langgraph==0.6.7 pandas==2.3.2 python-dotenv==1.1.1 Requests==2.32.5 stockfish==3.28.0 wikipedia==1.4.0