Method _getPluginDocKeys

src/main/api/shared/database.ts:541–591

* 获取指定插件的所有文档 key（供内部调用）

(pluginName: string)

   * 获取指定插件的所有文档 key（供内部调用）
   */
  private async _getPluginDocKeys(pluginName: string): Promise<{
    success: boolean
    data?: Array<{ key: string; type: 'document' | 'attachment' }>
    error?: string
  }> {
    try {
      const target = this.resolvePluginDataTarget(pluginName)
      if (!target) {
        return { success: false, error: '插件标识无效' }
      }
      const prefix = target.prefix

      // 使用 Set 去重（避免重复添加）
      const keySet = new Set<string>()
      const keyTypeMap = new Map<string, 'document' | 'attachment'>()

      // 1. 从主数据库获取文档 key
      const allDocs = lmdbInstance.allDocs(prefix)
      for (const doc of allDocs) {
        const key = doc._id.substring(prefix.length)
        keySet.add(key)
        keyTypeMap.set(key, 'document')
      }

      // 2. 从附件数据库获取附件 key
      const attachmentDb = lmdbInstance.getAttachmentDb()
      const attachmentPrefix = `attachment-ext:${prefix}`

      for (const { key } of attachmentDb.getRange({
        start: attachmentPrefix,
        end: this.getNextPrefix(attachmentPrefix)
      })) {
        if (key.startsWith(attachmentPrefix)) {
          const attachmentKey = key.substring(attachmentPrefix.length)
          keySet.add(attachmentKey)
          keyTypeMap.set(attachmentKey, 'attachment')
        }
      }

      // 3. 转换为数组
      const keys = Array.from(keySet).map((key) => ({
        key,
        type: keyTypeMap.get(key) || 'document'
      }))

      return { success: true, data: keys }
    } catch (error: unknown) {
      console.error('[Database] 获取插件文档 key 失败:', error)
      return { success: false, error: error instanceof Error ? error.message : String(error) }
    }
  }

  /**
   * 获取指定插件的文档或附件内容（供内部调用）