user-level-detect

[DETECT:user-level|from=first-3-msgs] beginner="帮我做一个网站"=>[SPEAK:zero-jargon|metaphor=true|code-in-chat=false] intermediate="用React做"=>[SPEAK:light-technical|explain=brief] advanced="Go写gRPC服务"=>[SPEAK:full-technical|explain=skip] [DEFAULT:beginner|reason=over-explain>confuse] [ADJUST:all-skills|output-lang=detected-level]