Feishu (飞书) Bot: @所有人 Not Received + Multi-Bot Echo Loop

Issue Summary

Two related problems with Feishu group chat bot configuration in OpenClaw:

Problem 1: @所有人 ( @everyone ) Not Delivered to Bot

Severity: Medium

Description: When a user mentions @所有人 in a Feishu group, the bot does not receive the event. Even when requireMention: false is configured, @所有人 consistently fails to trigger the bot, making it effectively unusable as a group-wide announcement mechanism.

Expected behavior: Bot should receive and respond to @所有人 mentions, same as individual @bot_name mentions.

Actual behavior: Bot silently ignores @所有人 — no event arrives at OpenClaw.

Root cause (suspected): Feishu's API does not send @所有人 as a distinct event type. It expands @所有人 into individual mention events for each group member. OpenClaw's Feishu channel handler receives individual mention events but has no way to detect the original intent was an @所有人 call. There is no mention_type: "everyone" field in the received payload.

Problem 2: requireMention: false Causes Bot Echo Loop in Multi-Bot Groups

Severity: High

Description: When multiple bots are in the same Feishu group with requireMention: false, any user message triggers ALL bots to respond. Bot responses then trigger each other in an endless loop:

User → message
  → Bot-A responds
    → Bot-B sees Bot-A's message → responds
      → Bot-A sees Bot-B's message → responds again
        → ...infinite loop

This also results in response contamination — bots read each other's outputs as conversation context, corrupting the actual user's thread.

Affected configuration: All bots in the same group with requireMention: false and no groupPolicy: "allowlist" entry preventing them from seeing each other's messages.

Current workarounds:

• Set requireMention: true for all but one bot (so only the mentioned bot responds)
• Use separate groups for each bot
• Add logic to detect and ignore bot-authored messages

Requested feature: A built-in way to configure "ignore messages from other bots" per account, e.g.:

"ignoreOtherBots": true

Or a groupPolicy option like "bots": "ignore" to prevent bot-to-bot message loops without requiring requireMention: true.

Environment

• OpenClaw version: (latest)
• Feishu channel
• Multiple accounts/bots in same group
• WebSocket connection mode (connectionMode: "websocket")

Relevant Config

{
  "channels": {
    "feishu": {
      "accounts": {
        "yingbot": {
          "dmPolicy": "allowlist",
          "groupAllowFrom": ["oc_xxxxxxxx", "oc_yyyyyyyy", "oc_zzzzzzzz"],
          "groupPolicy": "allowlist",
          "requireMention": false
        },
        "consulting-bot": {
          "dmPolicy": "open",
          "groupAllowFrom": ["oc_xxxxxxxx"],
          "groupPolicy": "allowlist",
          "requireMention": false
        }
      }
    }
  }
}

Tags

feishu, group-chat, mention, everyone, multi-bot, echo-loop