Both are official packages already on both workstations, started once by dex from an XDG
autostart entry (the client's own, the package's). The modules declare the package, add no
second start, own none of the apps' files, and give the mesh status, log, restart and check.
bluez and bluez-utils, and bluetooth.service running and enabled. On both
workstations bluez is installed only as a dependency; declaring it keeps a
clean-up from taking it.
Nine Go tools over bluetoothctl: controller, power, devices with battery
where reported, a bounded scan, connect, disconnect, trust, pair (an agent
that confirms nothing, for headphones) and remove. An act whose output says
it failed is an error whatever the exit status, and one bluez refuses the
account is repeated through sudo -n.
jochen