단축키 변경: S -> Cmd + S, O -> Cmd + O

src/renderer/index.html

@@ -16,8 +16,8 @@
 
   <aside>
     <nav class="sidebar-nav">
-      <button class="btn btn-warning" id="btn-open">폴더 열기 (O)</button>
-      <button class="btn btn-success" id="btn-rename" disabled>이름 변경 실행 (S)</button>
+      <button class="btn btn-warning" id="btn-open">폴더 열기 (⌘O)</button>
+      <button class="btn btn-success" id="btn-rename" disabled>이름 변경 실행 (⌘S)</button>
     </nav>
     <section class="file-explorer">
       <!-- 추후 구현 -->

src/renderer/keyboard.js

@@ -10,12 +10,15 @@ export function initKeyboardShortcuts({
 }) {
   document.addEventListener('keydown', (e) => {
     if (hasOpenModal()) return;
-    if (isEditableTarget(e.target)) return;
+    const isMetaOpenOrSave = e.metaKey && (e.code === 'KeyO' || e.code === 'KeyS');
+    if (isEditableTarget(e.target) && !isMetaOpenOrSave) return;
 
-    if (e.code === 'KeyO') {
+    if (e.metaKey && e.code === 'KeyO') {
+      e.preventDefault();
       btnOpen.click();
-    } else if (e.code === 'KeyS' && !btnRename.disabled) {
-      btnRename.click();
+    } else if (e.metaKey && e.code === 'KeyS') {
+      e.preventDefault();
+      if (!btnRename.disabled) btnRename.click();
     } else if (e.code === 'KeyA') {
       selectAll();
       refreshSelection();