Examine source code of Chat Exporter

{
  "manifest_version": 3,
  "name": "Chat Exporter",
  "version": "1.0",
  "description": "Экспорт чатов в Markdown",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "clipboardWrite"
  ],
  "host_permissions": [
    "*://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "turndown.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "chat-exporter@yourdomain.com",
      "strict_min_version": "109.0"
    }
  }
}