Descriptor a caller passes to ExplorationContext.bind. role is used
by the linked-view policy. Callers opt into specific slice notifications
by calling ExplorationContext.subscribe(slice, fn) directly — the
binding itself only names the view and its role.
Descriptor a caller passes to
ExplorationContext.bind.roleis used by the linked-view policy. Callers opt into specific slice notifications by callingExplorationContext.subscribe(slice, fn)directly — the binding itself only names the view and its role.