Examine source code of YouTube UnShortify

{
  "manifest_version": 3,
  "name": "YouTube UnShortify",
  "version": "1.0.0",
  "description": "Silently redirects YouTube Shorts URLs to standard watch pages. No data collection, no UI. Completely works in background.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking"
  ],
  "host_permissions": [
    "*://www.youtube.com/*",
    "*://youtube.com/*",
    "*://m.youtube.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e4a2b8f1-6c3d-4e9a-9b7f-1d2e3f4a5b6c}",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}