OpenAI 更新 ChatGPT 深度研究工具，引入 GPT-5.2 模型提升報告生成能力，並新增全屏查看器功能。用戶可在獨立窗口完整瀏覽報告，通過左側交互式目錄快速跳轉至特定內容，優化了閱讀與信息獲取體驗。
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