Examine source code of Grok Response Notifier

{
  "manifest_version": 2,
  "name": "Grok Response Notifier",
  "version": "1.2",
  "description": "Plays a soft ping when Grok finishes a response on x.com or grok.com, using partial SVG path selectors. Requires user to enable audio via the popup.",
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "notifications",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://x.com/*",
        "https://grok.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "beep.mp3"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "grok-response-notifier@example.com"
    }
  }
}