{"message":"FQuant AI 后端服务 - 两步式交互 + 会话管理","version":"3.0.0","description":"金融量化 AI 助手，提供两步式交互流程和会话管理","endpoints":{"workspaceConversations":"GET /api/workspace-conversations/conversations","fundResearch":"POST /api/fund-strategy/research/stream","health":"GET /health","docs":"GET /docs"}}