Examine source code of Auto Refresh

{
  "manifest_version": 3,
  "name": "Auto Refresh by CBP",
  "version": "1.0.3",
  "description": "Auto-refresh any tab on a schedule with visual countdown, smart pause-on-interaction, and per-domain memory. Free & unlimited.",
  "homepage_url": "https://www.codeburstpro.com/extensions/auto-refresh",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "128": "icons/128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/16.png",
      "32": "icons/32.png",
      "48": "icons/48.png"
    },
    "default_title": "Auto Refresh by CBP"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "options_page": "options.html",
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "alarms",
    "tabs",
    "scripting",
    "activeTab",
    "notifications"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "auto-refresh-by-cbp@codeburstpro.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "minimum_chrome_version": "110"
}