Examine source code of Cat Eyes

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "short_name": "__MSG_extensionShortName__",
  "version": "1.0.25",
  "description": "__MSG_extensionDescription__",
  "default_locale": "pt_BR",
  "offline_enabled": true,
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "action": {
    "default_title": "__MSG_extensionActionTitle__",
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "32": "assets/icons/icon-32.png",
      "48": "assets/icons/icon-48.png",
      "128": "assets/icons/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "src/background/service-worker.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": false
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; base-uri 'self'; frame-ancestors 'none'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "cat-eyes@netcattest.com",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}