style: ensure function expressions

Replaced all function statements with function expressions.

src/features/settings/utils/settingsValidator.js

@@ -116,7 +116,7 @@ export const validateFirstLevelSection = function validateFirstLevelSection(sect
  * @param {unknown} raw
  * @returns {{ valid: true, config: import('../types/settingsConfig').SettingsConfig } | { valid: false, error: string }}
  */
-export function validateSettingsConfig(raw) {
+export const validateSettingsConfig = function validateSettingsConfig(raw) {
     if (!raw || typeof raw !== 'object') {
         throw new Error('[settings] Config must be an object');
     }

src/i18n.js

@@ -40,7 +40,7 @@ export const i18n = createI18n({
 
 const loadedLanguages = new Set();
 
-export async function loadLanguage(locale) {
+export const loadLanguage = async function loadLanguage(locale) {
     if (!SUPPORTED_LANGUAGES.includes(locale)) {
         locale = fallbackLocale;
     }