Examine source code of Clever Checker

{
  "manifest_version": 3,
  "name": "Clever Checker",
  "version": "0.3.2",
  "description": "Check grammar, AI writing, plagiarism and readability, or rewrite text, on any page. Results from cleverchecker.com.",
  "permissions": [
    "contextMenus",
    "storage",
    "activeTab",
    "scripting",
    "clipboardRead",
    "clipboardWrite"
  ],
  "action": {
    "default_title": "Clever Checker"
  },
  "icons": {
    "16": "assets/icon-16.png",
    "32": "assets/icon-32.png",
    "48": "assets/icon-48.png",
    "128": "assets/icon-128.png"
  },
  "background": {
    "scripts": [
      "compat.js",
      "config.js",
      "selection.js",
      "api.js",
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "panel.html",
    "default_title": "Clever Checker",
    "default_icon": "assets/icon-48.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "cleverchecker@cleverchecker.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  },
  "host_permissions": [
    "https://cleverchecker.com/*"
  ],
  "homepage_url": "https://cleverchecker.com"
}