lock-before-sleep: --any-display, unit env has no WAYLAND_DISPLAY

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0169F2pgebpibASvMLou1awP

settings/hyprland.nix

@@ -87,7 +87,9 @@ in
           # the config (and thus the instance to talk to) via ~/.config —
           # without it: "Could not find "default" config directory".
           export HOME=/home/fred
-          ${pkgs.quickshell}/bin/qs ipc call lock lock
+          # --any-display: no WAYLAND_DISPLAY here, and qs skips instances
+          # on other displays without it.
+          ${pkgs.quickshell}/bin/qs ipc --any-display call lock lock
           ${pkgs.coreutils}/bin/sleep 1
         '';
         TimeoutStartSec = "5s";