Examine source code of IA-QA Shield

{
  "manifest_version": 3,
  "name": "IA-QA Shield",
  "version": "4.0.0",
  "description": "AI Safety Shield — detect hallucinations, secrets, PII & prompt injection. Full page security audit. 120+ free dev tools.",
  "homepage_url": "https://ia-qa.com/qatools/shield",
  "icons": {
    "100": "icons/logoKawaiiGreenTiny.png"
  },
  "permissions": [
    "storage",
    "contextMenus",
    "activeTab",
    "notifications",
    "scripting",
    "downloads"
  ],
  "host_permissions": [
    "https://ia-qa.com/*",
    "https://www.ia-qa.com/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "shield@ia-qa.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": []
      }
    }
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "icons/logoKawaiiGreenTiny.png"
  }
}