can you update it like this?

designerbursa

code_text
module Matt
  class MattObserver < Sketchup::ToolsObserver
    @@last_tool_id = nil
    @@toggle = true  # Variable to control toggling

    def onActiveToolChanged(tools, tool_name, tool_id)
      # Save the tool ID if it’s not one of the excluded IDs
      @@last_tool_id = tool_id unless [21022, 10508].include?(tool_id) || tool_id >= 50000
      puts "Active tool: #{tool_name} --> ID: #{tool_id}" unless [21022, 10508].include?(tool_id) || tool_id >= 50000
    end

    def self.recall_last
      # Get the ID of the currently active tool
      active_tool = Sketchup.active_model.tools.active_tool_id

      # If the active tool is the selection tool and there's no other active tool, switch to the last tool
      if [0, 21022].include?(active_tool)
        if @@last_tool_id
          Sketchup.send_action(@@last_tool_id)
        else
          puts "No previous tool. Selecting default tool."
          Sketchup.send_action("selectSelectionTool:")
        end
      else
        # If another tool is active, switch to the selection tool
        Sketchup.send_action("selectSelectionTool:")
      end
    end
  end

  # Add the observer to SketchUp's tools
  Sketchup.active_model.tools.add_observer(MattObserver.new)

  # Add "ReCall" menu item
  unless file_loaded?(__FILE__)
    menu = UI.menu("Plugins")  # Adds item under the "Plugins" menu
    menu.add_item("ReCall") {
      MattObserver.recall_last  # Calls the recall_last method when clicked
    }
    file_loaded(__FILE__)
  end
end