Classify current crypto macro regime (Risk-On / Risk-Off / Neutral) using Fear & Greed Index, BTC dominance, Reddit sentiment, on-chain signals, and macro news. Returns regime label, bias direction, and asset-specific adjustments. Use for macro analysis, regime detection, portfolio bias, or market context.

使用恐惧与贪婪指数、比特币市值占比、Reddit情绪、链上信号和宏观新闻对当前加密货币宏观周期进行分类（风险偏好/风险规避/中性），返回周期标签、偏差方向和资产特定调整。适用于宏观分析、周期识别、投资组合偏差判断或市场环境评估