plan: OOS Performance Enhancement — 9 tasks, 8 components
Task 1: 3 CUDA kernels (regime gate, adaptive atoms, mamba2 scan)
Task 2: Adaptive DSR (training Sharpe EMA → w_dsr scaling)
Task 3: CVaR objective (risk-sensitive Bellman target)
Task 4: Regime branch gating (20 params, ADX/CUSUM → branch importance)
Task 5: Adaptive atom positions (204 params, learned C51 spacing)
Task 6: Ensemble heads (config 1→3, existing infrastructure)
Task 7: Mamba2 temporal scan (12K params, 8-bar context)
Task 8: Multi-horizon prediction (144K params, 1/5/20 bar horizons)
Task 9: Build verification
NUM_WEIGHT_TENSORS: 50→64 across tasks 4,5,8.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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