Per-source capability registry. Set membership = first-party support
(the adapter can fulfill the capability without client-side fallback).
Capabilities that require a client-side fallback should be omitted from
the set; callers either swap to a different protocol or opt into a
degraded: true policy at the ExplorationContext level.
Per-source capability registry. Set membership = first-party support (the adapter can fulfill the capability without client-side fallback). Capabilities that require a client-side fallback should be omitted from the set; callers either swap to a different protocol or opt into a
degraded: truepolicy at theExplorationContextlevel.