install.sh sets up a private virtualenv, the udev rule (group picked
automatically), and optionally a systemd user service (--service) and
LAN access with a subnet-limited firewalld/ufw rule (--lan). It records
what it changed so uninstall.sh can undo exactly that.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Reverse-engineered from Maono Link 4.0.88 (DGM20_OLD.dll) and verified
against a DGM20 (352f:0105, firmware 2.1.2).
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>