Group messages (web provider)

Goal: let Clawd sit in WhatsApp groups, wake up only when pinged, and keep that thread separate from the personal DM session.

What’s implemented (2025-12-03)

Mentions required by default: real WhatsApp @-mentions (via mentionedJids), regex patterns, or the bot’s E.164 anywhere in the text all count.
Group allowlist bypass: we still enforce allowFrom on the participant at inbox ingest, but group JIDs themselves no longer block replies.
Per-group sessions: session keys look like group:<jid> so commands such as /verbose on or /think:high are scoped to that group; personal DM state is untouched. Heartbeats are skipped for group threads.
Context injection: last N (default 50) group messages are prefixed under [Chat messages since your last reply - for context], with the triggering line under [Current message - respond to this].
Sender surfacing: every group batch now ends with [from: Sender Name (+E164)] so Tau/Pi know who is speaking.
Ephemeral/view-once: we unwrap those before extracting text/mentions, so pings inside them still trigger.
New session primer: on the first turn of a group session we now prepend a short blurb to the model like You are replying inside the WhatsApp group "<subject>". Group members: +44..., +43..., … Address the specific sender noted in the message context. If metadata isn’t available we still tell the agent it’s a group chat.

Config for Clawd UK (+447700900123)

Add a groupChat block to ~/.clawdis/clawdis.json so display-name pings work even when WhatsApp strips the visual @ in the text body:

{
  "inbound": {
    "groupChat": {
      "requireMention": true,
      "historyLimit": 50,
      "mentionPatterns": [
        "@?clawd",
        "@?clawd\\s*uk",
        "@?clawdbot",
        "\\+?447700900123"
      ]
    }
  }
}

Notes:

The regexes are case-insensitive; they cover @clawd, @clawd uk, clawdbot, and the raw number with or without +/spaces.
WhatsApp still sends canonical mentions via mentionedJids when someone taps the contact, so the number fallback is rarely needed but is a good safety net.

How to use

Add Clawd UK (+447700900123) to the group.
Say @clawd … (or @clawd uk, @clawdbot, or include the number). Anyone in the group can trigger it.
The agent prompt will include recent group context plus the trailing [from: …] marker so it can address the right person.
Session-level directives (/verbose on, /think:high, /new) apply only to that group’s session; your personal DM session remains independent.

Testing / verification

Automated: pnpm test -- src/web/auto-reply.test.ts --runInBand (covers mention gating, history injection, sender suffix).
Manual smoke:
- Send an @clawd ping in the group and confirm a reply that references the sender name.
- Send a second ping and verify the history block is included then cleared on the next turn.
- Check gateway logs (run with --verbose) to see inbound web message (batched) entries showing from: <groupJid> and the [from: …] suffix.

Known considerations

Heartbeats are intentionally skipped for groups to avoid noisy broadcasts.
Echo suppression uses the combined batch string; if you send identical text twice without mentions, only the first will get a response.
Session store entries will appear as group:<jid> in sessions.json; a missing entry just means the group hasn’t triggered a run yet.

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