Examine source code of Tab Info Exporter

{
  "manifest_version": 3,
  "name": "Tab Info Exporter",
  "version": "1.0.0",
  "default_locale": "en",
  "description": "Export metadata of all open tabs (title, URL, dates) to CSV or JSON via clipboard or file download.",
  "action": {
    "default_popup": "popup.html",
    "default_title": "Tab Info Exporter",
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-info-exporter@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "downloads",
    "clipboardWrite"
  ]
}