{
  "manifest_version": 3,
  "name": "Live Site Overlay Tool",
  "version": "1.0",
  "description": "Overlay one live site over another for pixel-perfect comparison.",
  "permissions": ["scripting", "activeTab"],
  "host_permissions": ["<all_urls>"],
  "action": {
    "default_title": "Overlay a site"
  },
  "content_scripts": [
    {
      "matches": ["<all_urls>"],
      "js": ["content.js"]
    }
  ]
}