OPENAI_API_KEY=your_openai_api_key_here

# Agent endpoint (used by scripts/run_queries.sh). Defaults to local compose.
AGENT_ENDPOINT=http://localhost:8000/chat

# Phoenix span-export configuration (used by scripts/export_spans.py).
# These point at the local self-hosted Phoenix container by default.
# For Phoenix Cloud, set PHOENIX_HOST=https://app.phoenix.arize.com
# and add PHOENIX_CLIENT_HEADERS="api_key=<your-key>".
PHOENIX_HOST=http://localhost:6006
PHOENIX_PROJECT_NAME=arize-travel-agent