Examine source code of Session Vault: Tab Session Manager & Backup

{
  "manifest_version" : 3 ,
  "name" : "__MSG_extName__" ,
  "short_name" : "Session Vault",
  "description" : "__MSG_extDescription__" ,
  "version" : "1.0.0",
  "default_locale" : "en" ,
  "author": "Deepyze",
  "homepage_url" : "https://deepyze.dev",
  "icons" : {
    "16" : "icons/icon-16.png",
    "32" : "icons/icon-32.png",
    "48" : "icons/icon-48.png",
    "128" : "icons/icon-128.png"
  },
  "action" : {
    "default_popup" : "popup.html",
    "default_title" : "__MSG_actionTitle__" ,
    "default_icon" : {
      "16" : "icons/icon-16.png",
      "32" : "icons/icon-32.png",
      "48" : "icons/icon-48.png"
    }
  },
  "options_ui" : {
    "page": "options.html" ,
    "open_in_tab": true
  },
  "background" : {
    "scripts" : [
      "background.js" 
    ],
    "type" : "module" 
  },
  "permissions" : [
    "tabs" ,
    "tabGroups" ,
    "storage" ,
    "unlimitedStorage" ,
    "alarms" ,
    "identity" 
  ],
  "optional_permissions" : [
    "downloads" 
  ],
  "host_permissions" : [
    "https://api.lemonsqueezy.com/*" 
  ],
  "optional_host_permissions" : [
    "https://www.googleapis.com/*" 
  ],
  "commands" : {
    "save-all": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description" : "__MSG_cmdSaveAll__" 
    },
    "restore-previous": {
      "suggested_key": {
        "default": "Alt+Shift+R"
      },
      "description" : "__MSG_cmdRestorePrevious__" 
    },
    "open-dashboard": {
      "suggested_key": {
        "default": "Alt+Shift+D"
      },
      "description" : "__MSG_cmdOpenDashboard__" 
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "deepyze-session-vault@deepyze.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}