Use Omarchy command helpers consistently

bin/omarchy-system-lock

@@ -12,7 +12,7 @@ hyprctl switchxkblayout all 0 > /dev/null 2>&1
 
 # Ensure 1password is locked. Use timeout because `1password --lock` can
 # otherwise leave a full Electron helper tree running after each lock.
-if pgrep -x "1password" >/dev/null && command -v 1password >/dev/null 2>&1; then
+if pgrep -x "1password" >/dev/null && omarchy-cmd-present 1password; then
   (
     flock -n 9 || exit 0
     timeout --kill-after=1s 3s 1password --lock >/dev/null 2>&1 || true