Examine source code of Mini Zone Checker

{
  "manifest_version": 2,
  "name": "Mini Zone Checker",
  "version": "5.1.3",
  "description": "فحص الزون والـ FAT وقرار AI — الوطنية للإنترنت",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon48.png"
    },
    "default_title": "Zone Checker"
  },
  "background": {
    "scripts": [
      "background.js",
      "agent_background.js"
    ],
    "persistent": true
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Z"
      },
      "description": "فتح Zone Checker"
    }
  },
  "permissions": [
    "tabs",
    "activeTab",
    "storage",
    "notifications",
    "clipboardWrite",
    "webRequest",
    "<all_urls>",
    "https://zonechecker-siwi.up.railway.app/*",
    "https://admin.ftth.iq/*",
    "https://agentportal.earthlink.iq/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://zonechecker-siwi.up.railway.app/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://zonechecker-siwi.up.railway.app/*"
      ],
      "js": [
        "agent_content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "zonechecker-v511-2026@earthlink.iq",
      "strict_min_version": "91.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}