Routers & Matrix

Pick which deck feeds which output, live.

Router: One active input, 1–8. Set live by keys 1–8 when selected, by a Routing action, or over the REST API.
Matrix: 4 outputs, each sourced from any of 8 inputs; 4 preset slots (edits auto-store into the current slot; recall via preset).
Both have a Name field so they can be targeted by name.
They publish status downstream: router.active, router.name, matrix.preset, matrix.source.
Ownership re-stamp: A router or matrix re-keys the telemetry it passes with its OWN name, whatever device is routed into a router named Main, downstream sees Main.beat.bar, Main.playback.state, … So a script after the router uses source.Main.beat.bar and keeps working when the routing changes. Which physical deck is live stays visible as Main.device.number / Main.device.kind. Writes address the routed deck the same way: output.Main.led.play = true presses Play on whichever CDJ is currently routed. (Node ancestry stamps like CDJ2.node.description keep their original owner; a bypassed router/matrix is fully transparent and re-stamps nothing.)