Document markup and improve choice tags

public/js/localization-module.js

@@ -26,7 +26,6 @@ class LocalizationModule extends BaseModule {
         // Bind methods
         this.bindMethods([
             'setLocale',
-            'applyServerLocale',
             'normalizeLocale',
             'getLocale',
             'translate',
@@ -145,7 +144,6 @@ class LocalizationModule extends BaseModule {
             const persistenceManager = this.getModule('persistence-manager');
             if (persistenceManager) {
                 persistenceManager.updatePreference('app', 'locale', normalizedLocale);
-                persistenceManager.updatePreference('tts', 'language', normalizedLocale);
                 if (userInitiated) {
                     persistenceManager.updatePreference('app', 'localeUserOverride', true);
                 }
@@ -171,15 +169,6 @@ class LocalizationModule extends BaseModule {
         }
     }
 
-    async applyServerLocale(locale) {
-        const persistenceManager = this.getModule('persistence-manager');
-        const userOverride = persistenceManager?.getPreference('app', 'localeUserOverride', false);
-        if (userOverride) {
-            return false;
-        }
-        return this.setLocale(locale, { userInitiated: false });
-    }
-
     normalizeLocale(locale) {
         const normalized = String(locale || this.defaultLocale).trim().replace('-', '_').toLowerCase();
         if (normalized.startsWith('de')) return 'de_DE';