A host Durable Object whose name carries no valid tenant. 403 — this boundary is internal
(not client-reachable), so there is no oracle to protect and a distinct status
keeps a routing bug from reading as a 500. Extends DoStatusError so
doErrorResponse recognizes it.
A host Durable Object whose name carries no valid tenant. 403 — this boundary is internal (not client-reachable), so there is no oracle to protect and a distinct status keeps a routing bug from reading as a 500. Extends DoStatusError so doErrorResponse recognizes it.