- Replace Silverman's bandwidth (h = 1.06σn^(-1/5)) with Scott's rule
(h = 0.7σn^(-1/(d+4))) for tighter kernels in high-D parameter spaces
- Add best-trial injection: always evaluate EI at best known point plus
5 small perturbations (±5%), preventing optimizer from forgetting peaks
- Scale n_candidates dynamically: max(256, 8*n_dims) instead of fixed 100
- Reduce gamma from 0.25 to 0.15 when trials < 50 for tighter exploitation
- Wire model_name through PSO/TPE paths for per-trial Prometheus metrics
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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