{
  "study_name": "bracket_stiffness_optimization_V3",
  "optimizer": "Protocol 10 - Intelligent Multi-Strategy",
  "n_trials": 100,
  "completed_trials": 96,
  "feasible_trials": 96,
  "infeasible_trials": 0,
  "pruned_trials": 4,
  "failed_trials": 0,
  "elapsed_seconds": 850.818676,
  "pareto_front_all": 48,
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  "best_solution": {
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      "tip_thickness": 46.19501757047888
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    "best_value": [
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    "best_trial": 9,
    "is_multi_objective": true,
    "pareto_front_size": 48,
    "total_trials": 100,
    "final_strategy": "tpe",
    "landscape_analysis": null,
    "strategy_recommendation": {
      "confidence": 0.95,
      "reasoning": "Multi-objective: TPE with multivariate support for Pareto front exploration (36 trials)",
      "sampler_config": {
        "type": "TPESampler",
        "params": {
          "multivariate": true,
          "n_startup_trials": 8,
          "n_ei_candidates": 24,
          "constant_liar": true
        }
      }
    },
    "transition_history": [],
    "strategy_performance": {},
    "protocol_used": "Protocol 10: Intelligent Multi-Strategy Optimization"
  },
  "timestamp": "2025-11-21T19:25:36.880016"
}