Improve Accessibility by Improve Level Card Button Label

src/app/services/translation.service.ts

@@ -29,4 +29,14 @@ export class TranslationService {
   readonly translation = new Proxy({} as Translation, {
     get: (_, prop) => this._translation()[prop as keyof Translation]
   });
+
+  /**
+   * 문자열 내의 플레이스홀더(예: {{name}})를 실제 값으로 치환합니다.
+   */
+  interpolate(text: string, params: Record<string, string | number>): string {
+    return Object.entries(params).reduce(
+      (acc, [key, value]) => acc.replace(new RegExp(`{{${key}}}`, 'g'), String(value)),
+      text
+    );
+  }
 }