Examine source code of Perplexity Summarizer

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "1.0",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "permissions": [
    "contextMenus",
    "activeTab",
    "scripting",
    "tabs"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "@perplexity-summarizer",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png"
  }
}