{
  "asset": "COINBASE_BTCUSD",
  "tf": "6H",
  "seed": 20260921,
  "models": "incumbent and grouped_v1/random_sparse_v1/hybrid_grouped_v1 seeds 9090/9191/9292 only",
  "additional_configurations_per_model": 1000,
  "frozen_configurations_per_model": 1,
  "generator": "run_mlp_deep_sweep.generate_candidates wide=True; identical template vectors; exclude default nonwinning artifact before evaluation",
  "promotion": false,
  "gates": "unchanged evaluator and promotable",
  "stop": "one completed fixed-budget comparison; no additional tuning or training",
  "selection": "highest rank_tuple among all promotable rows; report best ranked per model separately",
  "limitations": [
    "retrospective historical search; unequal prior weight-fitting budgets",
    "existing inspected OOS remains protective gate, not untouched validation",
    "no fresh TradingView parity claim"
  ]
}