Split language from region: omarchy-language and Setup > Language own LANG

omarchy-region and install/config/region.sh no longer touch the locale;
both logout prompts are worded through omarchy-text.

shell/Commons/I18nZh.js

@@ -610,5 +610,11 @@ var table = {
   "Click to switch input language": "点击切换输入语言",
   "Ctrl + Shift + Space to toggle input": "Ctrl + Shift + Space 切换输入",
   "Japanese: type a word, then Space twice for character choices": "日语：输入词语后按两次空格选字",
-  "Right-click to switch keyboard layout": "右键切换键盘布局"
+  "Right-click to switch keyboard layout": "右键切换键盘布局",
+  "Log out now": "立即注销",
+  "Later": "稍后",
+  "Log out now to switch the language?": "立即注销以切换语言？",
+  "Log back in to switch the language.": "重新登录后切换语言。",
+  "Log out now to switch the developer mirrors?": "立即注销以切换开发工具镜像？",
+  "Log back in to switch the developer mirrors.": "重新登录后切换开发工具镜像。"
 }