Method moveAttachment

src/main/attachmentHandler.ts:113–140

* 移动附件（从temp到正式目录） * @param fileId 文件ID * @param fileName 文件名 * @param fromPath 源路径（相对路径） * @param pageId 目标页面ID * @param messageId 目标消息ID

(
    fileId: string,
    fileName: string,
    fromPath: string,
    pageId: string,
    messageId: string
  )

   * @param messageId 目标消息ID
   */
  async moveAttachment(
    fileId: string,
    fileName: string,
    fromPath: string,
    pageId: string,
    messageId: string
  ): Promise<{ success: boolean; localPath?: string; error?: string }> {
    try {
      const sourcePath = path.join(this.attachmentsDir, fromPath)

      const targetDir = path.join(this.attachmentsDir, pageId, messageId)
      await mkdir(targetDir, { recursive: true })

      const ext = path.extname(fileName)
      const targetPath = path.join(targetDir, `${fileId}${ext}`)

      await rename(sourcePath, targetPath)

      const relativePath = path.relative(this.attachmentsDir, targetPath)
      return { success: true, localPath: relativePath }
    } catch (error) {
      console.error('移动附件失败:', error)
      return {
        success: false,
        error: error instanceof Error ? error.message : '移动附件失败'
      }
    }
  }

  /**
   * 清理指定消息的所有附件