{
  "timestamp": "2026-04-13T11:27:26.980742",
  "training_rows": 347,
  "n_trials": 100,
  "best_predicted_quality": 92.49,
  "best_params": {
    "max_pickup_distance_km": 8.97552336109477,
    "max_kitchen_distance_km": 2.7877044648340705,
    "max_orders_per_rider": 18,
    "ideal_load": 2,
    "workload_balance_threshold": 0.8903020193864128,
    "workload_penalty_weight": 53.40488265276959,
    "distance_penalty_weight": 4.354470281012198,
    "cluster_radius_km": 2.2678837392223077,
    "search_time_limit_seconds": 15,
    "road_factor": 1.4157581126349794
  },
  "validation": {
    "r2_score": 0.7503,
    "mae": 4.327,
    "folds": 5,
    "trust_level": "strong",
    "trust_score": 4,
    "interpretation": "Predictions off by +/-4.3 pts (R2=0.75, trust=strong)"
  },
  "baseline_stats": {
    "avg_quality": 78.33,
    "best_quality": 95.0,
    "worst_quality": 30.0,
    "sample_size": 347
  },
  "feature_importance": {
    "rolling_avg_quality_5": 31.22,
    "quality_delta_10": 24.08,
    "num_orders": 14.08,
    "hour": 12.87,
    "day_of_week": 7.62,
    "num_riders": 3.81,
    "max_kitchen_distance_km": 2.21,
    "max_pickup_distance_km": 1.38,
    "workload_balance_threshold": 0.92,
    "max_orders_per_rider": 0.67,
    "ideal_load": 0.46,
    "is_peak": 0.32,
    "distance_penalty_weight": 0.2,
    "search_time_limit_seconds": 0.06,
    "workload_penalty_weight": 0.05,
    "road_factor": 0.02,
    "cluster_radius_km": 0.01
  },
  "top_trials": [
    {
      "params": {
        "max_pickup_distance_km": 8.97552336109477,
        "max_kitchen_distance_km": 2.7877044648340705,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.8903020193864128,
        "workload_penalty_weight": 53.40488265276959,
        "distance_penalty_weight": 4.354470281012198,
        "cluster_radius_km": 2.2678837392223077,
        "search_time_limit_seconds": 15,
        "road_factor": 1.4157581126349794
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.210519212090116,
        "max_kitchen_distance_km": 2.795071874344803,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.890954590372547,
        "workload_penalty_weight": 57.30546495575571,
        "distance_penalty_weight": 4.2825502929828625,
        "cluster_radius_km": 2.2309970986531154,
        "search_time_limit_seconds": 15,
        "road_factor": 1.407023035324782
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.223563826442748,
        "max_kitchen_distance_km": 2.808717963029326,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.892196769560021,
        "workload_penalty_weight": 57.15330538045706,
        "distance_penalty_weight": 4.282867731690668,
        "cluster_radius_km": 2.2270651869785745,
        "search_time_limit_seconds": 15,
        "road_factor": 1.403707328692158
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.157491797214524,
        "max_kitchen_distance_km": 2.810126480283359,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.8917683811761372,
        "workload_penalty_weight": 57.74787593216373,
        "distance_penalty_weight": 4.3249511318795255,
        "cluster_radius_km": 2.1959915582659053,
        "search_time_limit_seconds": 15,
        "road_factor": 1.4003360081268916
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.16568429375528,
        "max_kitchen_distance_km": 2.8090951982962844,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.8909300879611156,
        "workload_penalty_weight": 57.96924359592614,
        "distance_penalty_weight": 4.356115233659841,
        "cluster_radius_km": 2.1640543998081037,
        "search_time_limit_seconds": 15,
        "road_factor": 1.4050040294906794
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.259104291226768,
        "max_kitchen_distance_km": 2.338588217223744,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.8941495097259085,
        "workload_penalty_weight": 58.30632718290698,
        "distance_penalty_weight": 4.317355430608995,
        "cluster_radius_km": 2.160490975141093,
        "search_time_limit_seconds": 15,
        "road_factor": 1.3994981879420294
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.318117638956453,
        "max_kitchen_distance_km": 2.8273035648398968,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.88987932201009,
        "workload_penalty_weight": 57.82043331508467,
        "distance_penalty_weight": 4.317908076902964,
        "cluster_radius_km": 2.165564764616809,
        "search_time_limit_seconds": 15,
        "road_factor": 1.398943484975189
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.30238269859597,
        "max_kitchen_distance_km": 2.8712278434223046,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.8892855074968387,
        "workload_penalty_weight": 59.298723357157364,
        "distance_penalty_weight": 4.253012634451528,
        "cluster_radius_km": 1.962817701799511,
        "search_time_limit_seconds": 15,
        "road_factor": 1.3987881342234323
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.228587208865775,
        "max_kitchen_distance_km": 2.7902336946097517,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.8931229523479859,
        "workload_penalty_weight": 58.672651882896744,
        "distance_penalty_weight": 4.295307426122445,
        "cluster_radius_km": 1.993660839663039,
        "search_time_limit_seconds": 15,
        "road_factor": 1.3993241972723316
      },
      "score": 92.48632049560547
    },
    {
      "params": {
        "max_pickup_distance_km": 9.199491733110056,
        "max_kitchen_distance_km": 2.8798175414522116,
        "max_orders_per_rider": 18,
        "ideal_load": 2,
        "workload_balance_threshold": 0.8907560961453739,
        "workload_penalty_weight": 59.605005662034905,
        "distance_penalty_weight": 4.267902417175325,
        "cluster_radius_km": 2.0020539902282946,
        "search_time_limit_seconds": 15,
        "road_factor": 1.3959721302394685
      },
      "score": 92.48632049560547
    }
  ],
  "pareto_frontier": []
}