Examine source code of GPTimizer

{
  "manifest_version": 3,
  "name": "GPTimizer",
  "version": "1.0.3",
  "browser_specific_settings": {
    "gecko": {
      "id": "ceo@arctic3d.xyz",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "description": "Optimizes ChatGPT long chats by collapsing old messages and lazy-loading heavy content.",
  "icons": {
    "32": "gptimizer_32.png",
    "48": "gptimizer_48.png",
    "128": "gptimizer_128.png",
    "256": "gptimizer_256.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://chat.openai.com/*",
        "https://chatgpt.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "options_page": "options.html"
}