The vault leaves a handed module's own secrets out of `own`, judged by the plan in its assignment, and nothing read
that judgement: on 2026-11-04 the circle on ace (no plan, so not handed, so refused, so no plan) could be told only by
reading the provisioner's plans beside the node-engine's refusals. own_handed answers, per module the vault keeps an
own secret of on the machine or that is placed there, handed or not and why.
Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig