Fix: Context menu delete integration with recursive tree, added Created and Edited timestamps in detail panel footer

src/lib/i18n/index.tsx

@@ -1,4 +1,4 @@
-"use client";
+"use client";
 import React, { createContext, useContext, useState, useEffect } from "react";
 
 export type Language = "en" | "ko" | "ja";
@@ -76,6 +76,7 @@ export const translations = {
     autoSaved: "Auto-saved",
     saving: "Saving…",
     created: "Created",
+    edited: "Edited",
 
     // Toolbars
     bold: "Bold",
@@ -158,6 +159,7 @@ export const translations = {
     autoSaved: "자동 저장됨",
     saving: "저장 중…",
     created: "생성일",
+    edited: "수정일",
 
     // Toolbars
     bold: "굵게",
@@ -240,6 +242,7 @@ export const translations = {
     autoSaved: "自動保存済み",
     saving: "保存中…",
     created: "作成日時",
+    edited: "更新日時",
 
     // Toolbars
     bold: "太字",