Examine source code of Browsing Session Archiver

{
  "manifest_version": 2,
  "name": "Browsing Session Archiver",
  "version": "1.0",
  "description": "Save and restore complete browsing sessions as named snapshots with one click. All data stored locally.",
  "browser_specific_settings": {
    "gecko": {
      "id": "manhngoc6d10@gmail.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "unlimitedStorage"
  ],
  "browser_action": {
    "default_title": "Browsing Session Archiver",
    "default_popup": "session-vault/panel.html"
  },
  "background": {
    "scripts": [
      "session-vault/archive-core.js"
    ],
    "persistent": false
  }
}