Codex의 AGENTS.md 파일을 공통으로 사용하도록 설정

- CLAUDE.md 파일은 AGENTS.md 파일에 대한 심링크

AGENTS.md

@@ -1,6 +1,6 @@
 # AGENTS.md
 
-This file provides guidance to Codex (Codex.ai/code) when working with code in this repository.
+This file provides guidance to Claude Code (claude.ai/code) and Codex when working with code in this repository.
 
 ## Commands
 
@@ -32,8 +32,8 @@ src/
 │   ├── config.js         # Shared userData/config.json read/write helpers
 │   └── ipc/
 │       ├── index.js      # registerAll(mainWindow) — delegates to folder and files modules
-│       ├── file-utils.js # Shared main-process file helpers: image listing/data URLs,
-│       │                 # exists check, EXDEV-safe move/copy fallback
+│       ├── file-utils.js # Pure helpers: listImages, readImageAsDataUrl, fileExists,
+│       │                 # moveFileWithCopyFallback (EXDEV-safe cross-device move)
 │       ├── folder.js     # select-folder, list-directories, get/set-last-folder,
 │       │                 # get/set-preview-on, get/set-sidebar-width, get/set-thumb-size,
 │       │                 # get-home-dir, reveal-folder