Examine source code of Web Time Tracker Pro

{
  "manifest_version": 3,
  "name": "Web Time Tracker Pro",
  "version": "1.7.1",
  "description": "Track your time on any website and share it with others.",
  "permissions": [
    "tabs",
    "storage",
    "clipboardWrite"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "web-time-tracker-unique-2025@example.com",
      "strict_min_version": "109.0"
    }
  }
}