# ---- Core UI ---- streamlit # ---- Agent Orchestration / LLM Stack ---- langgraph langchain langchain-community langchain-openai openai # ---- Database (TiDB via MySQL protocol) ---- SQLAlchemy PyMySQL cryptography certifi # SSL CA bundle for TiDB # ---- Serialization / Hashing (LangGraph deps) ---- ormsgpack xxhash # ---- Pydantic v2 line (required by langchain-openai/openai) ---- pydantic pydantic-core # ---- Utilities ---- tenacity requests markdownify # ---- Search (optional tool for your agent) ---- duckduckgo-search bcrypt plotly python-dotenv requests huggingface_hub==0.34.4 # frontend requirements.txt (add this line) mysql-connector-python