- NoiseInjector: Gaussian noise and feature dropout for robustness testing (ml) - SensitivityAnalyzer: hyperparameter fragility detection with perturbation analysis (ml) - RiskAction trait + enforcement module: pluggable risk response actions with severity levels (risk) - CorrelationMonitor: rolling cross-asset correlation with effective exposure limits (risk) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>