requirements.txt

# Core AI and LangGraph dependencies for Hugging Face Spaces
langchain>=0.3.0
langchain-openai>=0.2.0
langgraph>=0.2.0
openai>=1.0.0

# Web interface
gradio>=4.44.0

# Data handling and utilities
python-dotenv>=1.0.0
typing-extensions>=4.8.0
pydantic>=2.0.0

# Additional utilities (for robustness)
requests>=2.28.0