# Required
ANTHROPIC_API_KEY=
TAVILY_API_KEY=
# Optional (defaults shown)
ANTHROPIC_MODEL=claude-opus-5-5
# Arize AX — leave blank to print spans to the container logs instead
ARIZE_SPACE_ID=
ARIZE_API_KEY=
ARIZE_PROJECT_NAME=langgraph-multi-agent
ARIZE_OTLP_ENDPOINT=https://otlp.arize.com/v1