omarchy-hyprland-monitor-watch ran poll_clamshell_state() every 2s for
the whole session, and each pass forks omarchy-hyprland-monitor-clamshell
plus its hyprctl/jq/monitor-* children. Clamshell (lid) handling can only
ever apply to a machine with a lid, so on desktops and VMs this was pure
churn — the single largest remaining source of idle process wakeups
(~3 forks/sec on an otherwise idle desktop).
Gate the poll behind a new omarchy-hw-laptop helper (lid button, or a
laptop DMI chassis type as a fallback). The event-driven socat watch on
Hyprland monitor add/remove is unchanged, so monitor hotplug still
reconciles everywhere; only the periodic lid poll is now laptop-only.
Verified on a desktop: steady-state omarchy-hyprland-* forks drop from
~3/sec to zero, socat watch still present.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>