{
  "manifest_version": 3,
  "name": "ChatGPT export for Gemini (Amgreat)",
  "version": "1.4",
  "description": "Exports your full ChatGPT history to a JSON file for the Amgreat Gemini migration tool. Runs entirely in your own browser; nothing is sent anywhere.",
  "permissions": ["downloads"],
  "background": { "service_worker": "background.js" },
  "content_scripts": [
    {
      "matches": ["https://chatgpt.com/*", "https://chat.openai.com/*"],
      "js": ["content.js"],
      "run_at": "document_idle"
    }
  ]
}