feat(i18n): improve ai chat and settings localization

app/(dashboard)/settings/languages/[locale]/translations/translation-editor.tsx

@@ -164,7 +164,7 @@ export function TranslationEditor({
             const currentValue = isEdited ? edits[item.key] : (overrides[item.key] || "");
             
             const trVars = item.tr.match(/\{[^}]+\}/g) || [];
-            const targetVars = currentValue.match(/\{[^}]+\}/g) || [];
+            const targetVars: string[] = currentValue.match(/\{[^}]+\}/g) || [];
             const missingVars = trVars.filter(v => !targetVars.includes(v));
 
             return (

app/(dashboard)/settings/languages/languages-list.tsx

@@ -75,7 +75,7 @@ export function LanguagesList({
           <div className="flex items-center gap-2">
             <Button asChild variant="secondary" effect="shine" className="gap-2">
               <Link href="/settings/languages/import-export">
-                İçe / Dışa Aktar
+                {t("settings.languages.actions.importExport")}
               </Link>
             </Button>
             <Button asChild variant="default" effect="shine" className="gap-2">