Examine source code of Tab Sessions

{
  "manifest_version": 3,
  "name": "Tab Sessions",
  "version": "1.0",
  "description": "Save a window's tabs as a named session and reopen it later, with pinning and containers intact",
  "permissions": [
    "storage",
    "tabs",
    "contextualIdentities",
    "cookies"
  ],
  "background": {
    "scripts": [
      "lib/colors.js",
      "lib/session-store.js",
      "lib/storage.js",
      "lib/capture.js",
      "lib/restore-plan.js",
      "background.js"
    ]
  },
  "action": {
    "default_title": "Tab Sessions",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "tab-sessions@dwa.ovh",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}