Examine source code of NetAcad Genius

{
  "manifest_version": 2,
  "name": "NetAcad Genius",
  "description": "AI-powered assistant to help NetAcad Students understand course content and improve learning.",
  "version": "1.5.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{d503b4d4-ce88-4e31-89e4-e0b6d2a8a8e1}",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_popup": "popup/popup.html"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "tabs",
    "https://netacad.com/*",
    "https://www.netacad.com/*",
    "https://*.netacad.com/*",
    "https://*.netacad.net/*",
    "https://api.openai.com/*",
    "https://api.deepseek.com/*",
    "https://generativelanguage.googleapis.com/*"
  ],
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.netacad.com/*",
        "https://*.netacad.net/*"
      ],
      "js": [
        "content/domHelper.js",
        "content/ai-toaster.js",
        "content/content.js",
        "content/visual-extractor.js",
        "content/ui-manager.js",
        "content/loader.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ]
}