.env.example

# OpenAI API Key
OPENAI_API_KEY=your-openai-api-key-here

# LangSmith Observability (Optional)
# Get your API key from https://smith.langchain.com/
LANGCHAIN_TRACING_V2=true
LANGCHAIN_API_KEY=your-langsmith-api-key-here
LANGCHAIN_PROJECT=langgraph-ui