Examine source code of 爆速翻訳｜FlashReply

{
  "manifest_version": 3,
  "name": "爆速翻訳｜FlashReply",
  "version": "2.1",
  "description": "外国語のメッセージに自然な返信を即座に作成。Reply naturally to messages in any language, instantly.",
  "permissions": [
    "storage",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "96": "icons/icon96.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "flashreply@tiidatech.com",
      "strict_min_version": "109.0"
    }
  }
}