NHNguyễn Hữu Đứcindraco-ai.hashnode.dev·9h ago · 3 min readBuilding an LLM System from Scratch in Pure Python & NumPy: Architecture, Invariants, and Clean Code, Open-Source 100% Inference Engine and Thinking engine!Hi everyone, I wanted to share the design invariants and architecture of Draco AI, a full-stack, hardware-agnostic LLM system built completely from scratch in pure Python and NumPy. The core philosoph00