Examine source code of Auto Tab Grouper

{
  "manifest_version": 3,
  "name": "Auto Tab Grouper",
  "version": "1.0.4",
  "description": "Gruppiert Tabs automatisch nach URL. Optimiert für Firefox mit konfigurierbarem Verhalten.",
  "icons": {
    "16": "icon_16.png",
    "48": "icon_48.png",
    "64": "icon_64.png"
  },
  "permissions": [
    "tabs",
    "tabGroups",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon_16.png"
    },
    "default_title": "Auto Tab Grouper"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "autotabgrouper@milchhahn.github.io",
      "strict_min_version": "139.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}