Inter-session relay over SignalR — cross-machine, JWT-authenticated.
/hub/relay/health
PWRELAY_HUB_URL=https://relay.peopleworks.tld/hub/relay PWRELAY_TOKEN=<jwt-from-mcp-server> PeopleWorks.Relay.Channel.exe
Authentication shares the same JWT signing key as PeopleworksGPT.MCP.Server.