Examine source code of Refraze AI

{
  "manifest_version": 3,
  "name": "Refraze AI",
  "version": "1.0",
  "description": "Right-click selected text and rephrase it using OpenAI, Google AI Studio (Gemini), or Groq. Shows the result in a popup with a copy button.",
  "browser_specific_settings": {
    "gecko": {
      "id": "@refraze-ai-extension-without-data-collection",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "contextMenus",
    "activeTab",
    "scripting",
    "storage",
    "clipboardWrite"
  ],
  "host_permissions": [
    "https://api.openai.com/*",
    "https://generativelanguage.googleapis.com/*",
    "https://api.groq.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icons/refraze-no-txt-48.png",
    "96": "icons/refraze-no-txt-96.png"
  },
  "action": {
    "default_icon": "icons/refraze-no-txt-48.png",
    "default_popup": "popup.html",
    "default_title": "Rephrase results"
  }
}