Examine source code of YouTube Commentary

{
  "manifest_version": 3,
  "name": "YouTube Commentary",
  "version": "1.0.0",
  "description": "Read YouTube comments directly inside the video player with live timestamp sync.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.youtube.com/*",
    "https://www.googleapis.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "onboarding.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "ytcommentary@anantpathak.local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}