Examine source code of VPN Smart IP Verifier

{
  "manifest_version": 3,
  "name": "VPN Smart IP Verifier",
  "version": "4.0",
  "description": "Real-time dual-stack route validation with intelligent geofencing for Mozilla and Firefox VPN setups.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://api.ipify.org/",
    "https://api6.ipify.org/",
    "https://freeipapi.com/",
    "https://ipinfo.io/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "Verify VPN Status"
  },
  "sidebar_action": {
    "default_title": "Verify VPN Status",
    "default_panel": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "vpn-smart-verifier@yourdomain.local"
    }
  }
}