# Backend (LangGraph server)
ANTHROPIC_API_KEY=
# Optional override; defaults to claude-sonnet-4-6
ANTHROPIC_MODEL=

# LangSmith tracing (optional)
LANGSMITH_TRACING=true
LANGSMITH_API_KEY=
LANGSMITH_PROJECT=assistant-ui-with-langgraph-template

# Frontend (Next.js proxy to LangGraph)
LANGGRAPH_API_URL=http://localhost:2024
# Forwarded as `x-api-key`. Leave blank for local dev.
LANGCHAIN_API_KEY=
# Graph id. Must match a key under "graphs" in langgraph.json.
NEXT_PUBLIC_LANGGRAPH_ASSISTANT_ID=agent
# Optional. Bypasses the /api proxy and lets the browser hit LangGraph directly.
# Leave unset to route everything through the Next.js proxy on the current host.
NEXT_PUBLIC_LANGGRAPH_API_URL=