Examine source code of Fast Transcriptor

{
  "manifest_version": 3,
  "name": "Fast Transcriptor",
  "description": "Grave áudio de abas ou microfone e envie para transcrição automática",
  "version": "1.1.0",
  "permissions": [
    "tabCapture",
    "storage",
    "activeTab",
    "alarms",
    "notifications",
    "tabs"
  ],
  "host_permissions": [
    "https://fast-transcriptor.vercel.app/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "page": "background.html"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none'"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "fast-transcriptor@octalab.com",
      "strict_min_version": "109.0"
    }
  }
}