{"service":"AI Stock Agent API","version":"1.0.0","endpoints":{"general_stream":"POST /api/general-agent/fast/stream - 通用智能体（流式）","diagnose_fast_stream":"POST /api/diagnose/fast/stream - 兼容旧路径，内部转发通用智能体","analyze_stream":"POST /api/analyze/stream - 新闻事件分析（流式）","health":"GET /api/health - 健康检查"}}