# Server BIND_ADDR=0.0.0.0:3001 RUST_LOG=info # Database DATABASE_URL=sqlite:chat.db?mode=rwc # Auth JWT_SECRET=change-me-to-a-random-secret # OpenRouter API OPENROUTER_API_KEY=sk-or-v1-your-key-here # Search provider: tavily or brave SEARCH_PROVIDER=tavily # Tavily Search API TAVILY_API_KEY=tvly-your-key-here # Brave Search API (optional unless SEARCH_PROVIDER=brave) BRAVE_API_KEY=your-brave-api-key-here # Production: path to built client files (default: ../client/dist) # STATIC_DIR=../client/dist