Examine source code of AI Search Extension

{
  "manifest_version": 2,
  "name": "AI Search Extension",
  "version": "1.8",
  "description": "Right-click to search selected text or image with customizable AI models",
  "permissions": [
    "contextMenus",
    "activeTab",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_icon": {
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{983a4961-e022-4c33-b7ee-0ab9b5fb2f7e}"
    }
  }
}