Examine source code of API Response Comparator

{
  "manifest_version": 3,
  "name": "API Response Comparator",
  "description": "Compare JSON API responses across Dev, QA, and Prod from a browser popup.",
  "version": "0.1.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "api-response-comparator@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "assets/icons/icon-16.png",
    "32": "assets/icons/icon-32.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "action": {
    "default_title": "API Response Comparator",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "32": "assets/icons/icon-32.png",
      "48": "assets/icons/icon-48.png",
      "128": "assets/icons/icon-128.png"
    }
  },
  "permissions": [
    "storage",
    "clipboardWrite"
  ],
  "host_permissions": [
    "https://*/*"
  ]
}