# ml-data Production-ready ML data management for HFT trading systems. ## Key Types - `MlDataConfig` — ML data repository configuration - `FeaturesRepository` — feature storage and retrieval - `ModelsRepository` — model metadata and versioning - `PerformanceRepository` — model performance tracking - `TrainingRepository` — training run management ## Usage ```rust use ml_data::{MlDataConfig, FeaturesRepository}; ```