Lists every live berth (for a bare --remote with several daemons).
The live berths, dead ones reaped.
Resolves one identity to a live berth.
A normalised identity from identity_normalise.
The live berth, or null when none is advertised or it is dead.
The berth lookup seam. Tier 1 ships LocalBerthResolver over the local files; a future tier-2
PorterBerthResolverwill implement the same contract over the network. Every surface depends only on this interface.