| LLM Provider: nn (default), anthropic, ollama, groq, gemini | |
| NN is the default — free, fast, no API key needed. | |
| Leave LLM_PROVIDER unset or set to "nn" to use the local ONNX model. | |
| LLM_PROVIDER=nn | |
| # Uncomment for Ollama: | |
| LLM_PROVIDER=ollama | |
| OLLAMA_MODEL=llama3.1 | |
| # Uncomment for Groq: | |
| LLM_PROVIDER=groq | |
| GROQ_API_KEY=your_groq_api_key_here | |