{"blocks": [{"key": "3067b7af", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "bebdcb48", "text": "Design an AI chat bot system where: (1) user messages and conversation history are stored only in the browser (not in any backend database); (2) bot responses are streamed to the user; (3) refreshing the page starts a new conversation; and (4) handle user credential considerations.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}