Function dm_lock_close

Scripts/ButSystem.py:14739–14744

(username: str)

        html: If '1', include pre-rendered HTML rows for easy DOM append.

    Returns:
        JSON: {ok: true, messages: [...]} where each message may include html.
    """
    me = current_user()
    # Only members can poll a group's messages
    if not group_role(gid, me):
        abort(403)

    try: