API 키 페이지 locale 전환 시 /api-keys 404 방지

adminfront/src/components/common/LanguageSelector.tsx

@@ -1,8 +1,6 @@
-import { useState } from "react";
+import { useEffect, useState } from "react";
+import { LOCALE_STORAGE_KEY } from "../../../../common/core/i18n";
 import { t } from "../../lib/i18n";
-
-const LOCALE_STORAGE_KEY = "locale";
-const LOCALE_CHANGED_EVENT = "baron_locale_changed";
 const SUPPORTED_LOCALES = ["ko", "en"] as const;
 
 type Locale = (typeof SUPPORTED_LOCALES)[number];
@@ -29,17 +27,27 @@ function resolveLocale(): Locale {
 function LanguageSelector() {
   const [locale, setLocale] = useState<Locale>(resolveLocale());
 
+  useEffect(() => {
+    const syncLocale = () => {
+      setLocale(resolveLocale());
+    };
+
+    window.addEventListener("localechange", syncLocale);
+    window.addEventListener("storage", syncLocale);
+
+    return () => {
+      window.removeEventListener("localechange", syncLocale);
+      window.removeEventListener("storage", syncLocale);
+    };
+  }, []);
+
   const handleChange = (next: Locale) => {
     if (next === locale) {
       return;
     }
     window.localStorage.setItem(LOCALE_STORAGE_KEY, next);
     setLocale(next);
-    if (import.meta.env.MODE === "development") {
-      window.dispatchEvent(new Event(LOCALE_CHANGED_EVENT));
-      return;
-    }
-    window.location.reload();
+    window.dispatchEvent(new Event("localechange"));
   };
 
   return (