Examine source code of WorkChat Ledger

{
  "manifest_version": 3,
  "name": "WorkChat Ledger",
  "short_name": "Chat Ledger",
  "version": "0.5.3",
  "description": "Create local, chronological work reports from an open WhatsApp Web conversation, including text and images.",
  "author": "Web Vine Studio",
  "action": {
    "default_title": "WorkChat Ledger",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "homepage_url": "https://webvinemarketing.com/workchat-ledger/",
  "browser_specific_settings": {
    "gecko": {
      "id": "workchat-ledger@webvinemarketing.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}