Examine source code of Wana Watch?

{
  "manifest_version": 3,
  "name": "Wana Watch?",
  "version": "1.0.1",
  "icons": {
    "48": "launchericon-48x48.png",
    "128": "launchericon-128x128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Wana Watch?",
    "default_icon": {
      "16": "launchericon-48x48.png",
      "32": "launchericon-48x48.png",
      "48": "launchericon-48x48.png",
      "128": "launchericon-128x128.png"
    }
  },
  "web_accessible_resources": [
    {
      "matches": [
        "*://m.youtube.com/*",
        "*://www.youtube.com/*",
        "*://youtube.com/*"
      ],
      "resources": [
        "launchericon-48x48.png",
        "launchericon-72x72.png",
        "launchericon-96x96.png",
        "assets/extensionApi-ClSWMkL7.js",
        "assets/content-script.ts-C0LT37uD.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "permissions": [
    "identity",
    "storage"
  ],
  "host_permissions": [
    "https://*.supabase.co/*"
  ],
  "content_scripts": [
    {
      "js": [
        "assets/content-script.ts-loader-DW8ppkLf.js"
      ],
      "matches": [
        "*://www.youtube.com/*",
        "*://youtube.com/*",
        "*://m.youtube.com/*"
      ],
      "css": [
        "assets/content-script-BysG9AxB.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "wana-watch@stormrossjacobs.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}