- USAGE.md: music discovery (!similar, !tags), autoplay discovery config, Mumble admin (!mu) command reference - CHEATSHEET.md: music discovery and Mumble admin quick reference - ROADMAP.md: mark v2.4.0 as done, add MB fallback + !mu + autoplay - TODO.md: mark music discovery and performance items as done - PROJECT.md: update plugin categories table - TASKS.md: close open doc items Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>