🌳 AI-Powered Skill Tree for Lifelong Human Learning. 30+ skills from K-12 to career & social intelligence, built on cognitive science. | 人类养成记：AI 驱动的终身学习技能树

Enables an interactive, gamified coding tutor that executes commands, provides lessons with explanations and quizzes, and tracks progress through levels and streaks, optionally with voice narration.

One-stop handbook for building, deploying, and understanding LLM agents with 60+ skeletons, tutorials, ecosystem guides, and evaluation tools.