| # Copy to .env locally; use HF Space Secrets in deployment. | |
| # Frontend never reads these — backend model_router only. | |
| APP_ENV=development | |
| MAX_ROUNDS=6 | |
| DEFAULT_MODEL_MODE=premium_nvidia | |
| # NVIDIA Nemotron 3 Nano Omni 30B-A3B (primary premium model — backend-only API) | |
| NVIDIA_API_KEY= | |
| NVIDIA_BASE_URL=https://integrate.api.nvidia.com/v1 | |
| NVIDIA_OMNI_MODEL=nvidia/nemotron-3-nano-omni-30b-a3b-reasoning | |
| # Hugging Face (model download / Space) | |
| HF_TOKEN= | |
| # Feature flags | |
| ENABLE_DEAL_BATTLE=true | |
| ENABLE_VOICE_MODE=true | |