🤖 i18n: add Korean (ko) translation

backend/app/Locale.php

@@ -27,6 +27,7 @@ enum Locale: string
     case PL = 'pl';
     case SK = 'sk';
     case EL = 'el';
+    case KO = 'ko';
 
     public static function getSupportedLocales(): array
     {

frontend/lingui.config.ts

@@ -20,7 +20,7 @@ const config: LinguiConfig = {
         "sk", // Slovak
         "el", // Greek
         // "ja", // Japanese
-        // "ko", // Korean
+        "ko", // Korean
         // "id", // Indonesian
         "zh-hk", // Cantonese Chinese (Hong Kong)
         // "cs", // Czech

frontend/src/components/common/LanguageSwitcher/index.tsx

@@ -44,6 +44,8 @@ export const LanguageSwitcher = () => {
                 return t`Slovak`;
             case "el":
                 return t`Greek`;
+            case "ko":
+                return t`Korean`;
             default:
                 // Defensive fallback: if a new locale is added to SupportedLocales
                 // but not handled here, return the locale code itself rather than

frontend/src/locales.ts

@@ -17,9 +17,10 @@ export type SupportedLocales =
     | "pl"
     | "se"
     | "sk"
-    | "el";
+    | "el"
+    | "ko";
 
-export const availableLocales = ["en", "de", "fr", "it", "nl", "pt", "es", "zh-cn", "zh-hk", "pt-br", "vi", "tr", "hu", "pl", "se", "sk", "el"];
+export const availableLocales = ["en", "de", "fr", "it", "nl", "pt", "es", "zh-cn", "zh-hk", "pt-br", "vi", "tr", "hu", "pl", "se", "sk", "el", "ko"];
 
 export const localeToFlagEmojiMap: Record<SupportedLocales, string> = {
     en: '🇬🇧',
@@ -39,6 +40,7 @@ export const localeToFlagEmojiMap: Record<SupportedLocales, string> = {
     se: '🇸🇪',
     sk: '🇸🇰',
     el: '🇬🇷',
+    ko: '🇰🇷',
 };
 
 export const localeToNameMap: Record<SupportedLocales, string> = {
@@ -59,6 +61,7 @@ export const localeToNameMap: Record<SupportedLocales, string> = {
     se: `Swedish`,
     sk: `Slovak`,
     el: `Greek`,
+    ko: `Korean`,
 };
 
 export const getLocaleName = (locale: SupportedLocales) => {