refactor(ui): remove unnecessary checks (i18n is always defined)

static/js/core/languageSelector.js

@@ -66,7 +66,7 @@ function createLanguageSelector(containerId = 'language-selector') {
 
     // Get current language
     const languages = getAvailableLanguages();
-    const currentLocale = i18n ? i18n.getCurrentLocale() : 'en';
+    const currentLocale = i18n.getCurrentLocale();
     const currentLang = languages.find((l) => l.code === currentLocale) || languages[0];
 
     // Set initial HTML attributes
@@ -185,10 +185,7 @@ function closeDropdown(container) {
  * Select a language
  */
 async function selectLanguage(langCode, container) {
-    // Update i18n if available
-    if (i18n) {
-        await i18n.setLocale(langCode);
-    }
+    await i18n.setLocale(langCode);
 
     // Update HTML lang attribute and dir for RTL languages
     updateHtmlAttributes(langCode);

static/js/core/modal.js

@@ -108,16 +108,15 @@ const Modal = {
             this.input.placeholder = placeholder;
             this.input.value = value;
 
-            // Set button text (use i18n if available)
             if (confirmText) {
                 this.confirmBtn.textContent = confirmText;
-            } else if (i18n) {
+            } else {
                 this.confirmBtn.textContent = i18n.t('actions.confirm');
             }
 
             if (cancelText) {
                 this.cancelBtn.textContent = cancelText;
-            } else if (i18n) {
+            } else {
                 this.cancelBtn.textContent = i18n.t('actions.cancel');
             }
 
@@ -138,7 +137,7 @@ const Modal = {
      * @returns {Promise<string|null>}
      */
     promptNewFolder() {
-        const t = i18n ? i18n.t.bind(i18n) : (k) => k;
+        const t = i18n.t.bind(i18n);
 
         return this.prompt({
             title: t('dialogs.new_folder_title') || 'New folder',
@@ -156,7 +155,7 @@ const Modal = {
      * @returns {Promise<string|null>}
      */
     promptRename(currentName, isFolder = false) {
-        const t = i18n ? i18n.t.bind(i18n) : (k) => k;
+        const t = i18n.t.bind(i18n);
 
         // For files, we want to select only the name part (without extension)
         this._selectNameOnly = !isFolder;

static/js/core/notifications.js

@@ -149,7 +149,7 @@ const notifications = (() => {
         item.className = 'notif-item';
         item.id = batchId;
 
-        const t = i18n?.t || ((k) => k);
+        const t = i18n.t.bind(i18n);
         const uploadingText = folderName ? `📁 ${t('upload.uploading')} ${_esc(folderName)}…` : t('upload.uploading');
         const filesLabel = t('upload.files');
 
@@ -254,7 +254,7 @@ const notifications = (() => {
         const pctEl = $(`${batchId}-pct`);
         const statsEl = $(`${batchId}-stats`);
 
-        const t = i18n?.t || ((k) => k);
+        const t = i18n.t.bind(i18n);
         const filesLabel = t('upload.files');
 
         if (fillEl) fillEl.style.width = `${pctVal}%`;
@@ -282,7 +282,7 @@ const notifications = (() => {
         const curEl = $(`${batchId}-current`);
         if (curEl) curEl.textContent = '';
 
-        const t = i18n?.t || ((k) => k);
+        const t = i18n.t.bind(i18n);
         const completeText = t('upload.complete', {
             count: successCount,
             total: totalFiles