adminfront 카드 타이틀 크기 통일 (text-lg) 및 한국어 적용

adminfront/src/features/api-keys/ApiKeyListPage.tsx

@@ -193,7 +193,7 @@ function ApiKeyListPage() {
       <Card className="bg-[var(--color-panel)] flex-1 flex flex-col min-h-0 overflow-hidden">
         <CardHeader className="flex flex-row items-center justify-between flex-shrink-0">
           <div>
-            <CardTitle>
+            <CardTitle className="text-lg font-bold flex items-center gap-2">
               {t("ui.admin.apikeys.registry.title", "API Key Registry")}
             </CardTitle>
             <CardDescription>