- allocation.rs: get_asset_volatilities now uses flat 0.20 (20% annual vol)
instead of index-scaled 0.15+i*0.05; get_covariance_matrix diagonal is
0.04 (0.20^2) instead of 0.0225; get_ml_predictions uses 0.0 (neutral)
instead of 0.05+i*0.02. All three emit tracing::warn so mock state is
visible in production logs.
- training.rs: train_all emits tracing::warn that it is using a placeholder
loop and directs callers to use model-specific trainers for production.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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