systemd user service watches RandR output events and puts every
connected monitor at native resolution + max refresh, DP-0 primary
on the left, unplugged outputs switched off.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WzxdWXa4ytX9adN7qpMAop