Examine source code of Copy Visible HTML

{
  "manifest_version": 2,
  "name": "Copy Visible HTML",
  "version": "1.0.0",
  "description": "Pick an element and copy its visible HTML, stripped and optimized for LLM ingestion",
  "author": "blazelight.dev",
  "homepage_url": "https://github.com/blazelight-dev/copy-visible-html",
  "browser_specific_settings": {
    "gecko": {
      "id": "copy-visible-html@blazelight.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "clipboardWrite"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "web_accessible_resources": [
    "content/picker.css"
  ]
}