docs(channels): consolidate design docs into single file

- Fix broken references to non-existent files
- Replace "What's Next" with detailed "Future Work" roadmap
- Remove redundant implementation, roadmap, and testing guide files
- User docs already cover these topics in docs/users/features/channels/

This consolidates the channels design documentation into a single
authoritative design doc, reducing duplication and maintenance burden.

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>
This commit is contained in:
tanzhenxin 2026-04-02 11:17:37 +08:00
parent d2ec893edb
commit 0c1635c26c
4 changed files with 27 additions and 327 deletions

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> External messaging integrations for Qwen Code — interact with an agent from Telegram, WeChat, and more.
>
> Channel-implementation status: `channels-implementation.md`. Testing: `channels-testing-guide.md`.
> User documentation: [Channels Overview](../../users/features/channels/overview.md).
## Overview
@ -173,18 +173,32 @@ packages/channels/
└── dingtalk/ # @qwen-code/channel-dingtalk
```
## What's Next
## Future Work
- **DingTalk: quoted bot responses** — persist outbound text keyed by `processQueryKey` (see `channels-dingtalk.md`)
- **Streaming responses** — edit messages in-place as chunks arrive
- **Structured logging** — pino; JSON by default, human-readable on TTY
- **E2E tests** — mock servers for platform APIs + mock ACP agent
- **Daemon mode** — background operation, systemd/launchd unit generation
### Safety & Group Chat
## Known Limitations
- **Per-group tool restrictions**`tools`/`toolsBySender` deny/allow lists per group
- **Group context history** — ring buffer of recent skipped messages, prepended on @mention
- **Regex mention patterns** — fallback `mentionPatterns` for unreliable @mention metadata
- **Per-group instructions**`instructions` field on `GroupConfig` for per-group personas
- **`/activation` command** — runtime toggle for `requireMention`, persisted to disk
- **Shared workspace conflicts** — multiple users editing the same `cwd` may cause file conflicts
- **Crash-recovery sessions only** — sessions persist for bridge restarts but cleared on clean shutdown
- **Sequential prompts per session** — messages queue within a session; different sessions run independently
- **Single instance** — PID file prevents duplicates; `qwen channel stop` first
- **Shared bridge model** — all channels share one ACP bridge process; if channels configure different models, only the first is used (warning shown)
### Operational Tooling
- **`qwen channel doctor`** — config validation, env vars, bot tokens, network checks
- **`qwen channel status --probe`** — real connectivity checks per channel
### Platform Expansion
- **Discord** — Bot API + Gateway, servers/channels/DMs/threads
- **Slack** — Bolt SDK, Socket Mode, workspaces/channels/DMs/threads
### Multi-Agent
- **Multi-agent routing** — multiple agents with bindings per channel/group/user
- **Broadcast groups** — multiple agents respond to the same message
### Plugin Ecosystem
- **Community plugin template**`create-qwen-channel` scaffolding tool
- **Plugin registry/discovery**`qwen extensions search`, version compatibility

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# Channels
Qwen Code supports three messaging channels — Telegram, WeChat, and DingTalk. All adapters extend the shared channel architecture (`ChannelBase`, `AcpBridge`, `SessionRouter`) in `packages/channels/base/src/`. Each channel can be started individually or all together with `node dist/cli.js channel start`.
---
## Telegram
Source: `packages/channels/telegram/src/TelegramAdapter.ts`, built on the Telegraf library.
The adapter supports plain text messaging, slash commands, a working indicator ("typing" chat action), DM pairing, and group chat (supergroups with @mention gating). Image receiving works via `bot.on('photo')``getFileLink` → download → base64, with captions passed as envelope text. File/document receiving saves downloaded files to `/tmp/channel-files/` and includes the path in the envelope so the agent can read them via `read-file` (works with any model, no multimodal required). Referenced messages include the quoted text as context in the prompt. Output is formatted as Telegram HTML (converted from markdown). Authentication uses a static bot token. Session persistence and pairing state are stored under `~/.qwen/channels/`.
```jsonc
// ~/.qwen/settings.json
{
"channels": {
"my-telegram": {
"type": "telegram",
"token": "$TELEGRAM_BOT_TOKEN",
"senderPolicy": "pairing",
"allowedUsers": [],
"sessionScope": "user",
"instructions": "Keep responses concise.",
},
},
}
```
```bash
source /path/to/telegram/.env
npm run bundle && node dist/cli.js channel start my-telegram
```
**Future work:** Streaming responses via in-place `editMessageText` (throttled at ~2s to respect rate limits, best-effort fallback to single message). Slash command polish — register with BotFather via `setMyCommands()`, fix `/help` timing, add `/status` command.
---
## WeChat (Weixin)
Source: `packages/channels/weixin/src/`, ported from the cc-weixin project. Uses the iLink Bot API at `ilinkai.weixin.qq.com`.
The adapter supports plain text messaging via a custom long-poll loop (`/ilink/bot/getupdates`, cursor-based), with `context_token` caching per user for reply context. Authentication uses QR code login (`qwen channel configure-weixin`), producing a bearer token stored in `~/.qwen/channels/weixin/account.json`. A typing indicator fires before each ACP prompt using the `sendTyping` API (ticket obtained from `getConfig`). Image and file/PDF receiving works through CDN download with AES-128-ECB decryption — images are forwarded as base64 content blocks, files are saved to `/tmp/channel-files/` and referenced by path. Referenced messages (user replies) include quoted text as context in the prompt. Formatting is plain text only (all markdown is stripped). The adapter handles session expiry (`errcode -14`) with automatic reconnection, uses backoff after consecutive errors, and persists the polling cursor to `~/.qwen/channels/weixin/cursor.txt` for crash recovery.
```jsonc
// ~/.qwen/settings.json
{
"channels": {
"my-weixin": {
"type": "weixin",
"senderPolicy": "pairing",
"allowedUsers": [],
"sessionScope": "user",
"instructions": "Keep responses concise, plain text only.",
"baseUrl": "https://ilinkai.weixin.qq.com", // optional override
},
},
}
```
Credentials are stored separately in `~/.qwen/channels/weixin/account.json`, created by `qwen channel configure-weixin`.
```bash
# First time: login via QR code
node dist/cli.js channel configure-weixin
# Start
npm run bundle && node dist/cli.js channel start my-weixin
```
**Future work:** Media send (upload to WeChat CDN with AES encryption). Voice/video receive. Streaming responses via `message_state: GENERATING``FINISH` (pending client-side investigation). Multi-account support. Message chunking for long responses.
---
## DingTalk (钉钉)
Source: `packages/channels/dingtalk/src/`, using Stream mode (WebSocket, no public IP required). Referenced from openclaw-channel-dingtalk.
The adapter connects via the `dingtalk-stream` SDK, which handles WebSocket connection, reconnection, heartbeats, and callback ACKs (DingTalk retries unACKed messages). Authentication reuses the SDK's built-in token (`client.getConfig().access_token`) from AppKey + AppSecret. Responses are sent back through a per-message `sessionWebhook` URL — a temporary, conversation-scoped endpoint that supports text, markdown, images, and files. Both DM and group chat are supported, with group messages gated by `@mention` detection (`isInAtList`). A 👀 emoji reaction serves as a working indicator while the agent processes (posted via the emotion API and recalled on completion). Output is formatted as DingTalk markdown, with tables converted to plain text, messages split at ~3800 characters, and code fences maintained across chunks. Image, file, audio, and video receiving works through a two-step download flow (`downloadCode``downloadUrl` → buffer); images are forwarded as base64, files saved to `/tmp/channel-files/`. Quoted message context is extracted from `text.repliedMsg` and `quoteMessage`, with bot-reply detection via `chatbotUserId`.
```jsonc
// ~/.qwen/settings.json
{
"channels": {
"my-dingtalk": {
"type": "dingtalk",
"clientId": "$DINGTALK_CLIENT_ID",
"clientSecret": "$DINGTALK_CLIENT_SECRET",
"senderPolicy": "open",
"sessionScope": "user",
"cwd": "/path/to/project",
"instructions": "Keep responses concise. Use DingTalk markdown.",
"groupPolicy": "open",
"groups": {
"*": { "requireMention": true },
},
},
},
}
```
```bash
export DINGTALK_CLIENT_ID=<your-app-key>
export DINGTALK_CLIENT_SECRET=<your-app-secret>
npm run bundle && node dist/cli.js channel start my-dingtalk
```
**Future work:** Quoted bot responses (persisting outbound messages keyed by `processQueryKey` for lookup on reply). AI Card streaming via `/v1.0/card/instances` and `/v1.0/card/streaming` with graceful markdown fallback.

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# Channels Roadmap
## Implemented (MVP)
- **3 built-in channels** — Telegram, WeChat, DingTalk
- **Plugin system**`ChannelBase` SDK with `connect`/`sendMessage`/`disconnect`, extension manifest, compiled JS + `.d.ts`
- **Access control**`allowlist`, `pairing` (8-char codes, CLI approval), `open` policies
- **Group chat**`open`/`disabled`/`allowlist` group policy, `requireMention` per group, reply-as-mention
- **Session routing**`user`, `thread`, `single` scopes with per-channel `cwd`, `model`, `instructions`
- **Dispatch modes**`steer` (default: cancel + re-prompt), `collect` (buffer + coalesce), `followup` (sequential queue). Per-channel and per-group config.
- **Working indicators** — centralized `onPromptStart`/`onPromptEnd` hooks. Telegram: typing bar. WeChat: typing API. DingTalk: 👀 emoji reaction.
- **Block streaming** — progressive multi-message delivery with paragraph-aware chunking
- **Streaming hooks**`onResponseChunk`/`onResponseComplete` for plugins to implement progressive display
- **Media support** — images (vision input), files/audio/video (saved to temp, path in prompt), `Attachment` interface on `Envelope`
- **Slash commands**`/help`, `/clear` (`/reset`, `/new`), `/status`, custom via `registerCommand()`
- **Service management**`qwen channel start/stop/status`, PID tracking, crash recovery (auto-restart, session persistence)
- **Token security**`$ENV_VAR` syntax in config
## Future Work
### Safety & Group Chat
- **Per-group tool restrictions**`tools`/`toolsBySender` deny/allow lists per group
- **Group context history** — ring buffer of recent skipped messages, prepended on @mention
- **Regex mention patterns** — fallback `mentionPatterns` for unreliable @mention metadata
- **Per-group instructions**`instructions` field on `GroupConfig` for per-group personas
- **`/activation` command** — runtime toggle for `requireMention`, persisted to disk
### Operational Tooling
- **`qwen channel doctor`** — config validation, env vars, bot tokens, network checks
- **`qwen channel status --probe`** — real connectivity checks per channel
### Platform Expansion
- **Discord** — Bot API + Gateway, servers/channels/DMs/threads
- **Slack** — Bolt SDK, Socket Mode, workspaces/channels/DMs/threads
### Multi-Agent
- **Multi-agent routing** — multiple agents with bindings per channel/group/user
- **Broadcast groups** — multiple agents respond to the same message
### Plugin Ecosystem
- **Community plugin template**`create-qwen-channel` scaffolding tool
- **Plugin registry/discovery**`qwen extensions search`, version compatibility
## Reference: OpenClaw Comparison
See [channels-comparison.md](channels-comparison.md) for the detailed feature comparison between OpenClaw and Qwen-Code channels.

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# Channels Testing Guide
How to test channel integrations end-to-end.
## Credentials
- Telegram bot: `@qwencod_test_1_bot` (远弟)
- Bot token env var: `TELEGRAM_BOT_TOKEN`
- Bot token file: `/path/to/telegram/.env`
- Telegram user ID: `<your-user-id>`
- WeChat credentials: `~/.qwen/channels/weixin/account.json`
## Before testing
**Important:** Stop any running service first. Duplicate instances cause duplicate responses.
```bash
# Stop the service if running
qwen channel stop
# Or check status first
qwen channel status
# If processes are stuck (e.g. from manual kill -9), clean up manually
pkill -9 -f "cli.js --acp"
pkill -9 -f "channel start"
rm -f ~/.qwen/channels/service.pid ~/.qwen/channels/sessions.json
```
## Sending messages via Bot API (no bot process needed)
```bash
# Source the token
export TELEGRAM_BOT_TOKEN=$(grep TELEGRAM_BOT_TOKEN /path/to/telegram/.env | cut -d= -f2)
# Send a message (replace YOUR_CHAT_ID with your Telegram user ID)
curl -s -X POST "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
-H "Content-Type: application/json" \
-d '{"chat_id": "YOUR_CHAT_ID", "text": "Hello from the bot!"}'
```
## Starting channels
```bash
export TELEGRAM_BOT_TOKEN=$(grep TELEGRAM_BOT_TOKEN /path/to/telegram/.env | cut -d= -f2)
cd /path/to/qwen-code
npm run bundle
# Single channel
node dist/cli.js channel start my-telegram
# All channels (shared bridge)
node dist/cli.js channel start
```
Settings config: `~/.qwen/settings.json` under `channels.*`.
## Checking registered commands
```bash
curl -s "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/getMyCommands" | python3 -m json.tool
```
## Test scenarios
### 1. Slash commands (shared across all channels)
Start the service, then send on Telegram or WeChat:
| Command | Expected |
| --------- | --------------------------------------------------------------- |
| `/help` | List of all commands |
| `/status` | "Session: none, Access: ..." |
| `/clear` | "No active session to clear." (or "Session cleared." if active) |
| `/reset` | Same as `/clear` (alias) |
| `/new` | Same as `/clear` (alias) |
### 2. Basic text round-trip
1. Start the bot
2. Send any text (e.g. "hello")
3. Bot should respond via the agent
4. `/status` should now show "Session: active"
### 3. Multi-turn conversation
1. Send "my name is Alice"
2. Send "what is my name?"
3. Agent should remember "Alice" from same session
### 4. Session clear
1. Have an active session (send a message first)
2. Send `/clear` (or `/reset` or `/new`)
3. Send "what is my name?"
4. Agent should NOT remember — fresh session
### 5. Tool calls (internal)
1. Send "list the files in /path/to/project"
2. Agent should use shell/ls internally and return file listing
3. Verify response contains actual file names
### 6. Markdown formatting
1. Send "write me a hello world in python with explanation"
2. Response should render with proper Telegram HTML formatting (bold, code blocks, etc.)
### 7. Multi-channel mode
1. Ensure both `my-telegram` and `my-weixin` are configured in `~/.qwen/settings.json`
2. For WeChat: run `node dist/cli.js channel configure-weixin` if token expired
3. Start all: `node dist/cli.js channel start`
4. Should show: `Starting 2 channel(s): my-weixin, my-telegram`
5. Send messages on both platforms — each should get exactly one response
6. Check `~/.qwen/channels/sessions.json` — each channel should have its own cwd
### 8. Crash recovery
1. Start multi-channel mode and send a message to create sessions
2. Find the ACP bridge PID: `ps --ppid <parent-pid> -o pid,args | grep acp`
3. Kill it: `kill -9 <acp-pid>`
4. Log should show: `Bridge crashed (1/3). Restarting in 3s...` then `Sessions restored: 2, failed: 0`
5. Send a message — should work, and session context (e.g. "what is my name?") should be preserved
### 9. Clean shutdown
1. Start channels, send a message to create sessions
2. Press Ctrl+C (or `qwen channel stop` from another terminal)
3. `~/.qwen/channels/sessions.json` should be deleted
4. `~/.qwen/channels/service.pid` should be deleted
### 10. Service management
1. Start service: `qwen channel start`
2. Check status from another terminal: `qwen channel status` — should show running, uptime, channels
3. Try starting again: `qwen channel start` — should fail with "already running" error
4. Stop from another terminal: `qwen channel stop` — should stop gracefully
5. Confirm stopped: `qwen channel status` — should show "No channel service is running."
### 11. Referenced messages (quoted replies)
1. Send a message and get a bot response
2. Reply to (quote) the bot's response with a follow-up question (e.g. "summarize that")
3. Agent should see the quoted text as context and respond accordingly
4. Test on both Telegram and WeChat
## Useful debug commands
```bash
# Check recent updates the bot received
curl -s "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/getUpdates?limit=5" | python3 -m json.tool
# Get bot info
curl -s "https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/getMe" | python3 -m json.tool
```