v2.3: klines frescas en cada predict (no mas datos estaticos)

v2.0: SMC features + fix missing columns for BTC prediction

Threshold BUY/SELL subido a 0.7 (backtest +128%)

v1.3: Signal model BUY/SELL/HOLD + backtest simulado

v1.2: thresholds ajustados + multi-symbol training + mejor XGBoost

v1.1: 3 clases + fix yfinance + forzar re-entrenamiento

Fix: agregar endpoint raiz / para evitar 404 en HF

Aurora Brain v1.0 — Regime Detector + Feature Engine + API