Examine source code of HoYoverse CodeEnter

{
  "manifest_version": 2,
  "name": "HoYoverse CodeEnter",
  "version": "2.2.8.1",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "icons": {
    "1024": "/pictures/icon.png"
  },
  "permissions": [
    "activeTab",
    "cookies",
    "storage",
    "alarms",
    "*://*.hoyoverse.com/",
    "*://*.mihoyo.com/*",
    "*://*.hoyolab.com/*",
    "*://*.githubusercontent.com/*"
  ],
  "browser_action": {
    "default_icon": "/pictures/icon.png",
    "default_title": "CodeEnter",
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "dailychecker.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5ace6c1b-391f-4571-8cb4-d9afe9a78026}"
    }
  }
}