README/ARCHITECTURE now bilingual (EN default, .ru.md cross-linked) per public-repo convention; added MIT license and Credits/License sections; tightened .gitignore against stray AI-tool files.
CLI на yandex-music (device-flow auth, fetch/report/apply), жанр через реальное дерево client.genres(), язык гибридом (track_supplement + алфавит).