Examine source code of web reminder

{
  "manifest_version": 3,
  "name": "Task Island",
  "version": "2.0",
  "description": "Premium personal reminder extension with Dynamic Island notifications.",
  "browser_specific_settings": {
    "gecko": {
      "id": "web-reminder@yourname.dev",
      "strict_min_version": "109.0"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Task Island",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  }
}