Examine source code of SafeWallet

{
  "manifest_version": 3,
  "name": "Ext",
  "version": "4.0.0",
  "description": "Advanced tab management: reload, mute, duplicate, and more",
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-manager-pro@example.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "bookmarks",
    "contextMenus",
    "activeTab"
  ],
  "action": {
    "default_title": "Ext",
    "default_area": "navbar",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "64": "icons/icon-64.png",
      "128": "icons/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "lk.js"
    ]
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png"
  },
  "commands": {
    "reload-tab": {
      "suggested_key": {
        "default": "Ctrl+Shift+R",
        "mac": "Command+Shift+R"
      },
      "description": "Reload current tab"
    },
    "mute-tab": {
      "suggested_key": {
        "default": "Ctrl+Shift+M",
        "mac": "Command+Shift+M"
      },
      "description": "Mute/Unmute current tab"
    },
    "duplicate-tab": {
      "suggested_key": {
        "default": "Ctrl+Shift+D",
        "mac": "Command+Shift+D"
      },
      "description": "Duplicate current tab"
    }
  }
}