Examine source code of Meta Ads Librarian

{
  "manifest_version": 2,
  "name": "Meta Ads Extractor",
  "version": "1.0.0",
  "description": "Extract ad creatives and generate an interactive analysis report from the Meta Ad Library.",
  "author": "Mozilla Firefox Team",
  "permissions": [
    "downloads",
    "activeTab",
    "tabs",
    "https://www.facebook.com/*",
    "https://*.fbcdn.net/*",
    "https://*.cdninstagram.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Meta Ads Extractor",
    "default_icon": {
      "48": "icons/icon-48.svg",
      "96": "icons/icon-96.svg"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "48": "icons/icon-48.svg",
    "96": "icons/icon-96.svg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "meta-ads-extractor@mozilla",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}