Function checkFolderNameConflict

src/renderer/src/services/pagesService.ts:193–204

(
  folderId: string,
  targetFolderId: string | undefined
)

// 检查文件夹在目标文件夹是否重名
export function checkFolderNameConflict(
  folderId: string,
  targetFolderId: string | undefined
): string | null {
  const { folder } = stores
  const movingFolder = folder.getById(folderId)
  if (!movingFolder) return null

  const siblingFolders = folder.findByParentId(targetFolderId)
  const conflict = siblingFolders.find((f) => f.id !== folderId && f.name === movingFolder.name)
  return conflict ? movingFolder.name : null
}

// 移动页面到文件夹（带重名检查）
export async function movePage(