# ── Required ────────────────────────────────────────────────────────────── # Free HuggingFace token (Read scope is sufficient) # Get yours: https://huggingface.co/settings/tokens HF_TOKEN=hf_your_token_here # ── Optional ────────────────────────────────────────────────────────────── # Flask session secret (auto-generated if not set) SECRET_KEY=change_me_to_a_random_string # Embedding model (runs locally — no token required for this one) EMBED_MODEL=BAAI/bge-small-en-v1.5 # Planner + Generator model (HF Inference API) GENERATOR_MODEL=mistralai/Mistral-7B-Instruct-v0.3 # Grader + Critic model (HF Inference API) CRITIC_MODEL=HuggingFaceH4/zephyr-7b-beta