Localized new ui to zh-TW (#5942)

* Create zh-TW.json

* Update _sync-report.json

* Update languages.ts

* Update config.ts

* fix(i18n): update language codes and improve translations for zh-CN and zh-TW

web/default/src/components/language-switcher.tsx

@@ -39,7 +39,7 @@ export function LanguageSwitcher() {
   const { i18n, t } = useTranslation()
   const user = useAuthStore((s) => s.auth.user)
   const currentLanguage = normalizeInterfaceLanguage(i18n.language)
-
+  console.log('Current interface language: %s', currentLanguage)
   const handleChangeLanguage = useCallback(
     async (code: string) => {
       await i18n.changeLanguage(code)

web/default/src/i18n/config.ts

@@ -25,15 +25,17 @@ import fr from './locales/fr.json'
 import ja from './locales/ja.json'
 import ru from './locales/ru.json'
 import vi from './locales/vi.json'
-import zh from './locales/zh.json'
+import zhCN from './locales/zh.json'
+import zhTW from './locales/zh-TW.json'
 
 export const resources = {
   en,
-  zh,
+  zhCN,
   fr,
   ru,
   ja,
   vi,
+  zhTW
 } as const
 
 i18n
@@ -42,8 +44,8 @@ i18n
   .init({
     resources,
     fallbackLng: 'en',
-    supportedLngs: ['en', 'zh', 'fr', 'ru', 'ja', 'vi'],
-    load: 'languageOnly', // Convert zh-CN -> zh
+    supportedLngs: ['en', 'zhCN', 'fr', 'ru', 'ja', 'vi','zhTW'],
+    load: 'currentOnly', // Convert zh-CN -> zh
     nsSeparator: false, // Allow literal colons in keys (e.g., URLs, labels)
     debug: import.meta.env.DEV,
     interpolation: {

web/default/src/i18n/languages.ts

@@ -18,12 +18,13 @@ For commercial licensing, please contact support@quantumnous.com
 */
 
 export const INTERFACE_LANGUAGE_OPTIONS = [
-  { code: 'zh', label: '简体中文' },
+  { code: 'zhCN', label: '简体中文' },
   { code: 'en', label: 'English' },
   { code: 'fr', label: 'Français' },
   { code: 'ru', label: 'Русский' },
   { code: 'ja', label: '日本語' },
   { code: 'vi', label: 'Tiếng Việt' },
+  { code: 'zhTW', label: '繁體中文' }
 ] as const
 
 export type InterfaceLanguageCode =
@@ -32,9 +33,15 @@ export type InterfaceLanguageCode =
 export function normalizeInterfaceLanguage(value?: string | null): string {
   if (!value) return 'en'
 
-  const normalized = value.trim().replace(/_/g, '-').toLowerCase()
-  if (normalized.startsWith('zh')) return 'zh'
+  var normalized = value.trim().replace(/_/g, '-').toLowerCase()
+  if (value === 'zh-TW' || value === 'zh-HK' || value === 'zh-MO' || value === 'zhTW') {
+    normalized = 'zhTW'
+  }
+  if (value === 'zh-CN' || value === 'zh-Hans' || value === "zhCN") {
+    normalized = 'zhCN'
+  }
 
+  console.log('Normalized interface language: %s -> %s', value, normalized)
   return INTERFACE_LANGUAGE_OPTIONS.some((lang) => lang.code === normalized)
     ? normalized
     : 'en'

web/default/src/i18n/locales/_reports/_sync-report.json

@@ -36,6 +36,12 @@
       "missingCount": 0,
       "extrasCount": 0,
       "untranslatedCount": 0
+    },
+    "zh-TW": {
+      "file": "zh-TW.json",
+      "missingCount": 0,
+      "extrasCount": 0,
+      "untranslatedCount": 0
     }
   }
 }