add(hyprland): workspace-toggle

workspace-toggle force workspace toggle between special and nonspecial;
improve user intuitive action.

apps/hyprland/scripts/workspace-toggle.nix

@@ -0,0 +1,23 @@
+{pkgs, ...}: let
+  workspace-toggle = pkgs.writeShellScriptBin "workspace-toggle" ''
+    #!/usr/bin/env bash
+    target_workspace="$1"
+
+    # Get current workspace info
+    current=$(${pkgs.hyprland}/bin/hyprctl activeworkspace -j | ${pkgs.jq}/bin/jq -r '.id')
+
+    # Check if we're in a special workspace (negative ID)
+    if [[ $current -lt 0 ]]; then
+      # We're in a special workspace, switch to target workspace using split:workspace
+      ${pkgs.hyprland}/bin/hyprctl dispatch split:workspace "$target_workspace"
+    elif [[ $current -eq $target_workspace ]]; then
+      # We're already on the target workspace, toggle back to previous
+      ${pkgs.hyprland}/bin/hyprctl dispatch workspace previous
+    else
+      # We're on a different workspace, switch to target using split:workspace
+      ${pkgs.hyprland}/bin/hyprctl dispatch split:workspace "$target_workspace"
+    fi
+  '';
+in {
+  home.packages = [workspace-toggle];
+}