wallpaper-picker now calls write_hyprlock_state() on apply, writing
per-monitor background blocks to ~/.config/hypr/hyprlock-backgrounds.conf.
hyprlock.conf sources that file instead of a hardcoded background block,
with a committed default for first-boot.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Amir Alexander Abdelbaki