Implement Round 2 language settings

Ariver

2026-06-03 9a85354d8b41e05ba8729cd8f44592291de9117a

 privatevoice.src/app.go

@@ -14,6 +14,7 @@
   "voicesnap/internal/history"
   "voicesnap/internal/hotkey"
   "voicesnap/internal/input"
   "voicesnap/internal/language"
   "voicesnap/internal/logger"
   "voicesnap/internal/overlay"
   "voicesnap/internal/sound"
@@ -186,7 +187,7 @@
   tray.SetTemplateIcon(trayIcon)

   showLabel, exitLabel := "Show Settings", "Exit"
   if isChinese() {
   if language.Resolve(app.cfg.LanguageMode, app.cfg.LanguageID, language.NewSystemDetector()).UILocale == "zh" {
      showLabel, exitLabel = "显示设置", "退出"
   }