Examine source code of Humanity Score (Authina)

{
  "manifest_version": 3,
  "name": "Humanity Score",
  "version": "0.1",
  "description": "Displays a humanity indicator next to X (Twitter) usernames.",
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "https://x.com/*",
    "https://twitter.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://x.com/*",
        "https://twitter.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "authina@humanityscore.test",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}