Examine source code of HyperTube

{
  "manifest_version": 3,
  "name": "HyperTube",
  "version": "1.0.5",
  "description": "Independent distraction-removal toggles for YouTube: hide home feed, comments, Shorts, recommendations, sidebar sections, Playables, end screens, merch, notifications, and more; redirect to Subscriptions; auto-close the tab after N videos or N minutes; choosable accent color.",
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "optional_permissions": [
    "debugger"
  ],
  "host_permissions": [
    "*://*.youtube.com/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "yt-filter@example.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}