Examine source code of NotebookLM Web Importer

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "3.29.0",
  "icons": {
    "128": "icon-128.png"
  },
  "default_locale": "en",
  "permissions": [
    "activeTab",
    "storage",
    "cookies",
    "scripting"
  ],
  "optional_permissions": [
    "tabs"
  ],
  "host_permissions": [
    "https://notebooklm.google.com/*",
    "https://clerk.notebooklm-web-importer.com/*"
  ],
  "optional_host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "app.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7058a75b-0f6c-4f10-a54d-bf427dc62b63}"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "NotebookLM Web Importer",
    "default_popup": "popup.html"
  }
}