Examine source code of Auto Reload on Error

{
  "manifest_version": 3,
  "name": "Auto Reload on Error",
  "version": "1.4",
  "description": "自动重新加载加载失败的网页",
  "icons": {
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "webNavigation",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e75507df-59e7-4de3-a000-0ee2e8a79302}",
      "strict_min_version": "128.0"
    }
  }
}