FeishuChannel (feishu-channel.ts)

Feishu channel impl: receives and processes messages via Feishu bot.

// Source: https://github.com/OpenCoworkAI/open-cowork | License: MIT | Copyright 2026 OpenCoworkAI
// Provided via justclaw.it.com; keep this notice with the code.
/**
 * Feishu (飞书) Channel
 * 实现飞书机器人的消息接收和发送
 */

import * as crypto from 'crypto';
import * as dns from 'dns';
import { promisify } from 'util';
import { ChannelBase, withRetry } from '../channel-base';
import { log, logError, logWarn } from '../../../utils/logger';
import type {
  FeishuChannelConfig,
  RemoteMessage,
  RemoteResponse,
  RemoteContent,
  RemoteResponseContent,
} from '../../types';
import { AESCipher } from '@larksuiteoapi/node-sdk';
import { FeishuAPI } from './feishu-api';
import { FeishuWSClient } from './feishu-ws-client';

export class FeishuChannel extends ChannelBase {
  readonly type = 'feishu' as co

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