Examine source code of Gemini Pro Auto-Selector

{
  "manifest_version": 3,
  "name": "Gemini Pro Auto-Selector",
  "version": "1.5",
  "browser_specific_settings": {
    "gecko": {
      "id": "gemini-pro-switcher@yarden-carmi",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "description": "Automatically selects the preferred model on Gemini.",
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "host_permissions": [
    "https://gemini.google.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://gemini.google.com/*"
      ],
      "exclude_matches": [
        "https://gemini.google.com/gems/create*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}