# OpenAI API Key (required) OPENAI_API_KEY=your_openai_api_key_here # Model to use (default: gpt-4o-mini) MODEL=gpt-4o-mini # Run browser in headless mode (default: false) # Set to "true" for headless mode (no browser window visible) HEADLESS=false # Server configuration HOST=0.0.0.0 PORT=8000