The Ryzen 7 3700U (Zen+) lacks CPPC, and the laptop exposes no ACPI
platform_profile, so power-profiles-daemon has no real backend and only
shows placeholder profiles. Swap the ppd widget for a custom waybar
module backed by a small `cpugov` helper that reads and toggles the
cpufreq governor directly. Left-click cycles schedutil <-> performance
via a NOPASSWD sudo rule scoped to the wrapper path.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>