Examine source code of bcSummary

{
  "manifest_version": 3,
  "name": "bcSummary",
  "version": "1.3.5",
  "author": "Martin Chang",
  "description": "Capture text from current web page and send it to ChatGPT for a quick summary - no API key needed, completely secure.",
  "categories": {
    "firefox": [
      "other"
    ],
    "android": [
      "other"
    ]
  },
  "license": "MIT",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "clipboardRead",
    "notifications",
    "scripting"
  ],
  "host_permissions": [
    "<all_urls>",
    "*://chatgpt.com/*",
    "*://chat.openai.com/*"
  ],
  "action": {
    "default_title": "bcSummary - One-click Summary",
    "default_icon": {
      "48": "icons/icon48.png",
      "96": "icons/icon96.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "younba.bcSummary@gmail.com",
      "strict_min_version": "121.0"
    }
  }
}