Examine source code of Mastros — WhatsApp Members & Chats Export

{
  "manifest_version": 3,
  "name": "Mastros — WhatsApp Members & Chats Export",
  "version": "1.0.1",
  "description": "Scrape and export WhatsApp Web group members, recent contacts, and messages from chats you can access.",
  "browser_specific_settings": {
    "gecko": {
      "id": "mastros-whatsapp-scraper@mastros.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://web.whatsapp.com/*"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "background": {
    "scripts": [
      "analytics.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://web.whatsapp.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "sidebar.css"
      ],
      "run_at": "document_idle",
      "all_frames": false
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "sidebar.html",
        "sidebar.js",
        "sidebar.css",
        "BRAND.js",
        "icons/*",
        "fonts/*"
      ],
      "matches": [
        "https://web.whatsapp.com/*"
      ]
    }
  ],
  "action": {
    "default_title": "Mastros — WhatsApp Scraper",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}