{
  "status": "RUNNING",
  "search_version": 1,
  "started_utc": "2026-09-29T01:44:43.862668+00:00",
  "endpoint": 156607,
  "observations": 277,
  "configurations": 27648,
  "structural_configurations": 192,
  "workers": 2,
  "coarse": {
    "cutoff": 155358,
    "next_observations": 3,
    "seed": 17,
    "epochs": 200
  },
  "confirmation": {
    "top_global": 48,
    "plus_best_each_family": 2,
    "cutoffs": [
      155058,
      155358
    ],
    "seeds": [
      17,
      31,
      47
    ],
    "epochs": 800
  },
  "historical_review": {
    "cutoffs": [
      100000,
      120000
    ],
    "next_observations": 10,
    "seeds": [
      17,
      31,
      47
    ],
    "epochs": 800
  },
  "selection_metric": "inner mean absolute log1p error; latest10 never used for selection",
  "outer": {
    "cutoff": 155658,
    "observations": 10,
    "previously_viewed_development": true
  },
  "input_absolute_age": false,
  "input_endpoint": false,
  "independent_test": false,
  "grid_dimensions": {
    "families": [
      "mixer",
      "gru",
      "lstm",
      "tcn",
      "resnet",
      "attention",
      "mixer+tcn",
      "tcn+gru",
      "tcn+lstm",
      "resnet+gru",
      "mixer+gru",
      "attention+gru"
    ],
    "width": [
      16,
      32
    ],
    "depth": [
      1,
      2
    ],
    "kernel": [
      3,
      7
    ],
    "conv_stride": [
      1,
      2
    ],
    "fusion": [
      "single",
      "concat",
      "gated"
    ],
    "window": [
      16,
      32
    ],
    "history_stride": [
      1,
      2
    ],
    "lr": [
      0.0003,
      0.001,
      0.003
    ],
    "regularization": [
      "none",
      "dropout0.1_wd1e-4"
    ],
    "profile": [
      "base",
      "tail",
      "response"
    ],
    "balanced": [
      false,
      true
    ]
  },
  "limitations": "Full finite grid at200 epochs is not every imaginable architecture or convergence guarantee. Large search can overfit tiny inner validation."
}