A provision secret is minted as a side-effect of composing the CONSUMER's plan, and the
provider's grant list is a pure read of secrets already issued from it. So a cross-node
consumer's grant exists only after its node is pushed, and the provider's provisioner mints
the vhost only when the provider node is composed again. Push anchor once more after node2,
and the bed passes: amqp-ping on node2 reaches mesh-broker on anchor over the overlay, its
binding names anchor.internal, and its vhost is minted. Proves both halves of issue 055.
https://claude.ai/code/session_01D6qtiYU3P9jk3pnAXyAFyx