graph-pull-hook: silence issues temporarily
++ on-peek on-peek:def
++ on-arvo on-arvo:def
++ on-fail on-fail:def
-++ on-agent on-agent:def
+++ on-agent
+ |= [=wire =sign:agent:gall]
+ ^- (quip card _this)
+ ?: ?=(%poke-ack -.sign) `this
+ (on-agent:def wire sign)
+::
++ on-watch on-watch:def
++ on-leave on-leave:def
++ on-pull-nack
