# Server PORT=3000 ADMIN_KEY=your-admin-key-here # AI ROI Estimator (OpenAI-compatible API) AI_API_URL=https://integrate.api.nvidia.com/v1 AI_API_KEY=your_nvidia_api_key_here AI_MODEL=qwen/qwen3.5-397b-a17b # Set to 'true' to enable detailed AI prompt/response logging AI_DEBUG=false