dm-hook: address L review
=. ship-screen (~(uni in ship-screen) (normalize-incoming nodes))
=. screened (~(put by screened) src.bowl ship-screen)
:_ state
- (fact:io dm-hook-action+!>([%pendings ~(key by screened)]) ~[/updates])^~
+ =/ =action:hook
+ [%pendings ~(key by screened)]
+ (fact:io dm-hook-action+!>(action) ~[/updates])^~
::
++ dm-exists
|= =ship
