μgrad game monitors

Per-game BroadcastChannel dashboards. Open the arena shell, enable Broadcast / Publish slice as documented, then open a monitor here.

• go-ugrad-monitor.html — ugrad-go-board · Go boards + clocks
• games-ugrad-hub.html — μgrad games hub (all shells)
• go-ugrad.html — tensor lane + multi-monitor

hub-ugrad-monitor.html · index only · add new monitors as channels ship