graph-push-hook: disable proxying of DM updates
?- -.q.update
%add-nodes
=| cards=(list card)
+ ?: ?=(^ (rush name.rid ;~(pfix (jest 'dm--') fed:ag)))
+ :: block new DM messages
+ [~ ~]
=^ allowed cards (is-allowed-add:hc rid nodes.q.update)
?. allowed
[cards ~]
