{
  "manifest_version": 3,
  "name": "Live Site Overlay Tool",
  "version": "1.1",
  "description": "Overlay one live site over another for pixel-perfect comparison.",
  "permissions": ["scripting", "activeTab", "tabs", "storage"],
  "host_permissions": ["<all_urls>"],
  "action": {
    "default_title": "Toggle Overlay",
    "default_icon": {
      "16": "icon-on.png",
      "32": "icon-on.png",
      "48": "icon-on.png",
      "128": "icon-on.png"
    }
  },
  "background": {
    "service_worker": "background.js"
  }
}