Examine source code of Cookie Extract

{
  "manifest_version": 3,
  "name": "Cookie Extract",
  "version": "1.3",
  "description": "一个简单的 浏览器扩展 (支持 Firefox, Edge, Chrome)，可以帮助你快速提取和复制当前标签页中的 SESSION cookie 以及响应头中的 Set-Cookie 值。",
  "permissions": [
    "cookies",
    "activeTab",
    "clipboardWrite",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "dbiikmjcpcpcbpfgancjieakhpnaijpc@ui-beam.com"
    }
  }
}