수정/삭제 기능 구현

frontend/lib/registry/components/split-panel-layout/SplitPanelLayoutConfigPanel.tsx

@@ -363,6 +363,22 @@ export const SplitPanelLayoutConfigPanel: React.FC<SplitPanelLayoutConfigPanelPr
           />
         </div>
 
+        <div className="flex items-center justify-between">
+          <Label>수정 버튼</Label>
+          <Switch
+            checked={config.leftPanel?.showEdit ?? false}
+            onCheckedChange={(checked) => updateLeftPanel({ showEdit: checked })}
+          />
+        </div>
+
+        <div className="flex items-center justify-between">
+          <Label>삭제 버튼</Label>
+          <Switch
+            checked={config.leftPanel?.showDelete ?? false}
+            onCheckedChange={(checked) => updateLeftPanel({ showDelete: checked })}
+          />
+        </div>
+
         <div className="flex items-center justify-between">
           <Label>각 항목에 + 버튼</Label>
           <Switch
@@ -1007,6 +1023,22 @@ export const SplitPanelLayoutConfigPanel: React.FC<SplitPanelLayoutConfigPanelPr
           />
         </div>
 
+        <div className="flex items-center justify-between">
+          <Label>수정 버튼</Label>
+          <Switch
+            checked={config.rightPanel?.showEdit ?? false}
+            onCheckedChange={(checked) => updateRightPanel({ showEdit: checked })}
+          />
+        </div>
+
+        <div className="flex items-center justify-between">
+          <Label>삭제 버튼</Label>
+          <Switch
+            checked={config.rightPanel?.showDelete ?? false}
+            onCheckedChange={(checked) => updateRightPanel({ showDelete: checked })}
+          />
+        </div>
+
         {/* 우측 패널 표시 컬럼 설정 */}
         <div className="space-y-3 rounded-lg border border-green-200 bg-green-50 p-3">
           <div className="flex items-center justify-between">