Examine source code of YouTube Keep Playing

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "0.1.4",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "icons": {
    "16": "src/assets/icons/keep-playing-16.png",
    "32": "src/assets/icons/keep-playing-32.png",
    "48": "src/assets/icons/keep-playing-48.png",
    "96": "src/assets/icons/keep-playing-96.png",
    "128": "src/assets/icons/keep-playing-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "youtube-keep-playing@ussmarines",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "src/shared/error-codes.js",
      "src/shared/logger.js",
      "src/shared/window-context.js",
      "src/shared/message-sender.js",
      "src/shared/diagnostic-retention.js",
      "src/shared/diagnostic-report.js",
      "src/shared/stats.js",
      "src/shared/session-stats.js",
      "src/background/window-context.js",
      "src/background/stats.js",
      "src/background/diagnostics.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*",
        "https://m.youtube.com/*"
      ],
      "css": [
        "src/content/inactivity-notice.css"
      ],
      "js": [
        "src/shared/error-codes.js",
        "src/shared/logger.js",
        "src/shared/window-context.js",
        "src/shared/diagnostic-retention.js",
        "src/shared/diagnostic-report.js",
        "src/shared/diagnostics.js",
        "src/shared/settings.js",
        "src/shared/stats.js",
        "src/content/dialog-signals.js",
        "src/content/inactivity-notice-suppressor.js",
        "src/content/prompt-detector.js",
        "src/content/user-input.js",
        "src/content/recovery-monitor.js",
        "src/content/recovery-controller.js",
        "src/content/confirmation-controller.js",
        "src/content/runtime-monitor.js",
        "src/content/tab-audio-monitor.js",
        "src/content/deep-monitor.js",
        "src/content/stats-client.js",
        "src/content/prompt-handler.js",
        "src/content/background-inactivity-controller.js",
        "src/content/hidden-prompt-mutation-probe.js",
        "src/content/prompt-observer.js",
        "src/content/protection-controller.js",
        "src/content/main.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_title": "__MSG_extensionName__",
    "default_icon": {
      "16": "src/assets/icons/keep-playing-16.png",
      "32": "src/assets/icons/keep-playing-32.png"
    },
    "default_popup": "src/popup/popup.html"
  }
}