feat(i18n): add i18n missing key error (#8358)

feat(i18n): 添加缺失翻译键的日志记录

当检测到缺失的翻译键时，记录错误日志以便于调试和维护

src/renderer/src/i18n/index.ts

@@ -1,3 +1,4 @@
+import { loggerService } from '@renderer/services/LoggerService'
 import { defaultLanguage } from '@shared/config/constant'
 import i18n from 'i18next'
 import { initReactI18next } from 'react-i18next'
@@ -14,6 +15,8 @@ import esES from './translate/es-es.json'
 import frFR from './translate/fr-fr.json'
 import ptPT from './translate/pt-pt.json'
 
+const logger = loggerService.withContext('I18N')
+
 const resources = {
   'el-GR': elGR,
   'en-US': enUS,
@@ -37,9 +40,12 @@ export const getLanguageCode = () => {
 i18n.use(initReactI18next).init({
   resources,
   lng: getLanguage(),
-  fallbackLng: defaultLanguage,
   interpolation: {
     escapeValue: false
+  },
+  saveMissing: true,
+  missingKeyHandler: (_1, _2, key) => {
+    logger.error(`Missing key: ${key}`)
   }
 })