Method _getPluginDoc

src/main/api/shared/database.ts:596–633

* 获取指定插件的文档或附件内容（供内部调用）

(
    pluginName: string,
    key: string
  )

   * 获取指定插件的文档或附件内容（供内部调用）
   */
  private async _getPluginDoc(
    pluginName: string,
    key: string
  ): Promise<{ success: boolean; data?: any; type?: string; error?: string }> {
    try {
      const target = this.resolvePluginDataTarget(pluginName)
      if (!target) {
        return { success: false, error: '插件标识无效' }
      }
      const docId = `${target.prefix}${key}`

      // 先尝试从主数据库获取
      const doc = lmdbInstance.get(docId)
      if (doc) {
        return { success: true, data: doc, type: 'document' }
      }

      // 尝试从附件数据库获取
      const attachmentDb = lmdbInstance.getAttachmentDb()
      const metadataStr = attachmentDb.get(`attachment-ext:${docId}`)
      if (metadataStr) {
        const metadata = JSON.parse(metadataStr)
        return {
          success: true,
          data: {
            _id: docId,
            ...metadata
          },
          type: 'attachment'
        }
      }

      return { success: false, error: '文档不存在' }
    } catch (error: unknown) {
      console.error('[Database] 获取插件文档失败:', error)
      return { success: false, error: error instanceof Error ? error.message : String(error) }
    }
  }

  /**
   * 清空指定插件的所有数据（供内部调用）