| Optional: Hugging Face token (only needed for private models or rate-limited downloads) | |
| HF_API_TOKEN=hf_your_token_here | |
| # Optional overrides | |
| RAG_EMBED_MODEL=mixedbread-ai/mxbai-embed-large-v1 | |
| RAG_RERANK_MODEL=mixedbread-ai/mxbai-rerank-base-v2 | |
| RAG_EMBED_BATCH=8 | |
| RAG_DEVICE=cpu # or "cuda" for GPU acceleration | |
| RAG_CHROMA_COLLECTION=cve_chunks | |