Examine source code of Search AI Mode Everywhere

{
  "manifest_version": 2,
  "name": "Search AI Mode",
  "short_name": "AI Mode",
  "version": "1.2.1",
  "description": "Automatically activates AI Mode for Google, Bing, and Brave searches by appending &udm=50 to Google URLs and redirecting Bing/Brave searches to their AI modes.",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "*://*.google.com/search*",
    "*://*.bing.com/search*",
    "*://search.brave.com/search*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Google AI Mode",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "google-ai-mode@extension",
      "strict_min_version": "79.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}