a2a-sdk==0.3.26 anthropic==0.95.0 fastapi==0.135.3 google-adk==1.30.0 google-genai==1.73.1 httpx==0.28.1 openai==2.31.0 pydantic==2.13.0 uvicorn==0.44.0 xai-sdk==1.11.0