feat(cli): add scratchpad toggle and exclude scratch terminal from cycle

dot_local/bin/executable_omarchy-toggle-scratch

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# omarchy:summary=Toggle the scratchpad, starting the kitty/herdr scratch terminal when it holds no windows.
+
+set -uo pipefail
+
+NAME="scratchpad"
+WORKSPACE="special:$NAME"
+CLASS="kitty-herdr"
+LAUNCH="kitty --class=$CLASS --config $HOME/.config/kitty/herdr.conf"
+
+# Windows living on the scratchpad, whether it is shown or hidden.
+scratch_windows() {
+  hyprctl clients -j | jq --arg ws "$WORKSPACE" '[.[] | select(.workspace.name == $ws)] | length'
+}
+
+# True when some monitor currently displays the scratchpad.
+scratch_visible() {
+  hyprctl monitors -j | jq -e --arg ws "$WORKSPACE" 'any(.[]; .specialWorkspace.name == $ws)' >/dev/null
+}
+
+# Hyprland's lua config takes lua expressions on `hyprctl dispatch`; the
+# classic dispatcher is the pre-lua fallback (same shape as omarchy-cycle).
+toggle() {
+  hyprctl dispatch "hl.dsp.workspace.toggle_special(\"$NAME\")" >/dev/null 2>&1 ||
+    hyprctl dispatch togglespecialworkspace "$NAME" >/dev/null
+}
+
+if (($(scratch_windows) > 0)); then
+  toggle
+  exit 0
+fi
+
+# Empty scratchpad: there is nothing to toggle into view, so start the herdr
+# terminal instead. hypr/hyprland.lua pins kitty-herdr to the scratchpad, so
+# only the reveal is left here — and deciding it after the window lands keeps
+# this correct whether or not the rule already showed the workspace.
+setsid uwsm-app -- $LAUNCH >/dev/null 2>&1 &
+
+for _ in {1..40}; do
+  sleep 0.1
+  (($(scratch_windows) > 0)) && break
+done
+
+scratch_visible || toggle