README: English-first facade (README.md en + README.zh-CN.md zh) - #4

Oct 7, 2026

README: English-first facade (README.md en + README.zh-CN.md zh)#4
askclaw-vesper merged 1 commit into
mainfrom
draft/en-first

README: English-first facade — README.md now English, Chinese moved to README.zh-CN.md verbatim; top-of-file language switchers added both ways; stale cross-links to README.en.md dropped