Examine source code of Poool Tag Helper

{
  "name": "Poool Tag Helper",
  "description": "The Poool Tag Helper is a troubleshooting tool that helps you validate any Poool script implementation.",
  "version": "3.1.1",
  "manifest_version": 3,
  "action": {
    "default_title": "Poool Tag Helper",
    "default_popup": "index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start",
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "assets/poool-logo-icon-16.png",
    "32": "assets/poool-logo-icon-32.png",
    "48": "assets/poool-logo-icon-48.png",
    "128": "assets/poool-logo-icon-128.png"
  },
  "permissions": [
    "cookies",
    "storage"
  ],
  "host_permissions": [
    "*://*.poool.fr/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "tag-helper@poool.tech",
      "strict_min_version": "115.0"
    }
  },
  "version_name": "3.1.1"
}