Examine source code of Game Pet AI Notes

{
  "manifest_version": 3,
  "name": "AI Pet Notes",
  "version": "1.1",
  "description": "Note-taking with AI pet pixel art",
  "permissions": [
    "storage"
  ],
  "background": {
    "page": "background.html"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icons/icon-48.png"
  },
  "icons": {
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ai-pet-notes@yourdomain.com"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ]
    }
  ]
}