- core.status handler and coreStatusRequest; diagnoseInviteIssuesAsync
clears stale failed-invite flags when peers report canProvideInvite
- Admin invite diagnostics and Core stats UI: per-peer remote state,
text status marks, recommendations aligned with invite.deliver RPC
- Extract stats-collector; push stats/health/status via subscribe-stats
WebSocket; HTTP only on first Stats tab load
- Document core.status in PLUGIN_SDK; proxy registers onCoreStatus