Mark T8 done in the OmarchyCN task list

plans/omarchycn.md

@@ -21,7 +21,7 @@ Progress source of truth for the `omarchycn` branches of `omarchy`, `omarchy-iso
 - [x] T5 AI (PRD 5): Dim and Kimi Code for every region (rebuild PR 9694), Claude Code third-party provider setup shown only in China
 - [x] T6 Developer mirrors (PRD 6): npm, PyPI/uv, Go, rustup, crates.io, RubyGems, Maven via system drop-ins under `default/region/china/`
 - [x] T7 China software (PRD 7): Install menu entry shown only in China
-- [ ] T8 Region switching and Chinese UI (PRD 8): `omarchy-region china|global`, Setup > Region, locale, Chinese menu overlay chosen by `LANG`
+- [x] T8 Region switching and Chinese UI (PRD 8): `omarchy-region china|global`, Setup > Region, locale, Chinese menu overlay chosen by `LANG`
 - [ ] T9 Logo (PRD 9): stock Omarchy logo everywhere
 - [ ] T10 Docs: `AGENTS.md`, manual
 - [ ] T11 Test ISO build (local source)