# Supabase Configuration (Required for vector store) SUPABASE_URL=your-supabase-project-url SUPABASE_SERVICE_KEY=your-supabase-service-key # API Keys (Optional - users can add via UI) OPENAI_API_KEY=your-openai-api-key ANTHROPIC_API_KEY=your-anthropic-api-key GOOGLE_API_KEY=your-google-api-key