mesh/check being carried to da0f8f1cfdb4 on bb8383b065a1 | from 62b211bb6040
Every put under want.<node>.>, every module's take-in and every placement write
made a pass, and each pass asked the vault for the node's own secrets. The
shadow's change check moves onto the composer, gains the want (by its
fingerprint, the only part composed) and serves both loops.