gall: no-op on %slay,%idle for missing agent
++ mo-fade
|= [dap=term style=?(%slay %idle %jolt)]
^+ mo-core
- =/ =routes [disclosing=~ attributing=our]
- =/ app (ap-abed:ap dap routes)
+ ?. |(=(%jolt style) (~(has by yokes.state) dap))
+ mo-core
+ =/ app
+ ~_ leaf/"gall: fade {<style>} missing agent {<dap>}"
+ (ap-abed:ap dap `routes`[disclosing=~ attributing=our])
=. mo-core ap-abet:(ap-fade:app style)
=. mo-core
?- style
