# OpenAI API key
OPENAI_API_KEY=your_openai_api_key_here

# Optional backup key if primary is not set
OPENAI_API_KEY_BACKUP=

# Hugging Face Token - required for downloading PDFs from the Hugging Face dataset
HF_TOKEN=your_huggingface_token_here

# Streamlit configuration (optional)
# STREAMLIT_SERVER_PORT=8501
# STREAMLIT_SERVER_HEADLESS=true