Examine source code of NotebookLM Chat Exporter

{
  "manifest_version": 3,
  "name": "NotebookLM Chat Exporter",
  "version": "1.0.1",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "24": "icons/icon24.png",
      "32": "icons/icon32.png"
    }
  },
  "description": "Export NotebookLM chat history to Markdown",
  "content_scripts": [
    {
      "matches": [
        "https://notebooklm.google.com/*"
      ],
      "css": [
        "style.css"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "notebooklm-exporter@local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}