{"status":"ok","service":"d-trader-ml-api","version":"1.0.0","architecture":"4-layer-ml","layers":["Layer 1: Feature Engineering (preprocessing, normalization, lags)","Layer 2: Specialists (LightGBM, LSTM, Transformer, GARCH)","Layer 3: Meta-Model (stacking with dynamic weights)","Layer 4: Auto-improvement (daily retraining)"],"markets":["crypto","forex","stocks"],"models_trained":{"crypto":false,"forex":false,"stocks":false}}