Examine source code of intentional-yt

{
  "manifest_version": 2,
  "name": "Intentional YT",
  "short_name": "Intentional YT",
  "version": "1.0.0",
  "description": "Prevent YouTube binge watching, algorithm rabbit holes, and protect sleep schedules while allowing intentional research",
  "browser_specific_settings": {
    "gecko": {
      "id": "intentional-yt@intentional-yt.local",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "*://www.youtube.com/*",
    "*://youtube.com/*"
  ],
  "background": {
    "scripts": [
      "utils/storage.js",
      "utils/time.js",
      "background/scheduler.js",
      "background/usageTracker.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*",
        "*://youtube.com/*"
      ],
      "exclude_matches": [
        "*://music.youtube.com/*"
      ],
      "js": [
        "content/recommendationBlocker.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://www.youtube.com/*",
        "*://youtube.com/*"
      ],
      "exclude_matches": [
        "*://music.youtube.com/*"
      ],
      "js": [
        "utils/storage.js",
        "utils/time.js",
        "content/browsingMode.js",
        "content/timerOverlay.js",
        "content/topicGuard.js",
        "content/youtubeObserver.js"
      ],
      "css": [
        "styles/ui.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "ui/popup.html",
    "default_title": "Intentional YT",
    "default_icon": {
      "16": "icons/icon.png",
      "32": "icons/icon.png",
      "48": "icons/icon.png",
      "128": "icons/icon.png"
    }
  },
  "web_accessible_resources": [
    "ui/blocked.html",
    "ui/blocked.js",
    "ui/modal.html",
    "ui/modal.js",
    "styles/ui.css"
  ],
  "icons": {
    "16": "icons/icon.png",
    "32": "icons/icon.png",
    "48": "icons/icon.png",
    "128": "icons/icon.png"
  }
}