Forward an already-verified WebSocket upgrade Request to the deployment hub. The caller (stream-router.ts) has rewritten it to /subscribe with the ticket's actorId/role as query params.
/subscribe
Forward one approval stream event to the deployment hub, POSTing it to the hub's /internal/event route.
/internal/event
Forward an already-verified WebSocket upgrade Request to the deployment hub. The caller (stream-router.ts) has rewritten it to
/subscribewith the ticket's actorId/role as query params.