xuezh

Teach Mandarin using an LLM-first pedagogy, backed by a ZFC/Unix-style local engine (`xuezh`) that stores facts, runs mechanical transforms, and produces bounded reports/audio artifacts. Use for review, speaking/tones, graded input, and HSK audits.

Teach Mandarin using an LLM-first pedagogy, backed by a ZFC/Unix-style local engine (`xuezh`) that stores facts, runs mechanical transforms, and produces bounded reports/audio artifacts. Use for review, speaking/tones, graded input, and HSK audits.