Current git commit: 
commit 395176e88d8a876beddf3d1d6c655a2de933b432
Author: Jacob Nguyen <manh.nguyen@oddle.me>
Date:   Mon Nov 2 22:12:35 2026 +0700

    feat(acl): allow mqtt-conversation-event topic for backend publish and Host app subscribe (#7)
    
    Reserve (WhatsApp AI) publishes chat signals on mqtt-conversation-event-<branch>-<outletId>;
    the broker denied both the backend publish and the Host app subscribe (not in whitelist).
    
    Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>