{
  "architecture": {
    "data": "datasets/synthetic-v1",
    "output": "models/v003-transformer",
    "encoder": "transformer",
    "no_lexical": false,
    "epochs": 16,
    "width": 64,
    "seed": 1729
  },
  "parameter_count": 163908,
  "threads": 2,
  "device": "cpu",
  "training_seconds": 337.2460462000454,
  "dataset_manifest": {
    "train": {
      "count": 2400,
      "seed": 101,
      "templates": [
        "fieldset",
        "grid",
        "stack"
      ],
      "sha256": "3f24899383d914465232cfaac27f654eae7217ed3fb37894cf07e551120c56e5"
    },
    "validation": {
      "count": 480,
      "seed": 202,
      "templates": [
        "fieldset",
        "grid",
        "stack"
      ],
      "sha256": "1cf777e5703257e3471c3f67b2e421fd3de505de429fbf57223f452648c477a8"
    },
    "test": {
      "count": 480,
      "seed": 303,
      "templates": [
        "nested",
        "table"
      ],
      "sha256": "849ccce76126296a01ee5ef756f2790470dea0e87fad94802d66c6e43fee20ac"
    },
    "novel_wording": {
      "count": 480,
      "seed": 404,
      "templates": [
        "nested",
        "table"
      ],
      "sha256": "8b467567370321ad5fbe604b282b89de6ceaaa4b679621fa0f3685708fa6e1c2"
    },
    "limitations": "Single-step generated tasks; test layouts held out but vocabulary shared. No arbitrary-site claim."
  },
  "history": [
    {
      "epoch": 1,
      "loss": 1.3394273837636177,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 0.01182039876584895,
        "target_ece": 0.019772875006310642,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 2,
      "loss": 0.014025603610973218,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 0.9979166388511658,
        "joint_step_accuracy": 0.9979166388511658,
        "action_ece": 0.0006074905395507812,
        "target_ece": 0.007352764179813676,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 3,
      "loss": 0.0025258230989014634,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 0.0003701448440551758,
        "target_ece": 0.0042307451367378235,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 4,
      "loss": 0.0009982854274934844,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 0.00026351213455200195,
        "target_ece": 0.00313020299654454,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 5,
      "loss": 0.0005972246516122189,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 0.00018608570098876953,
        "target_ece": 0.0023641924490220845,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 6,
      "loss": 0.0003768317979656307,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 0.00013107061386108398,
        "target_ece": 0.0020344614749774337,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 7,
      "loss": 0.00025686507146211195,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 0.00010484457015991211,
        "target_ece": 0.0018213928560726345,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 8,
      "loss": 0.000185561689202012,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 8.314847946166992e-05,
        "target_ece": 0.001661624584812671,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 9,
      "loss": 0.00014041483920759914,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 6.490945816040039e-05,
        "target_ece": 0.0015167492674663663,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 10,
      "loss": 0.0001094463490230019,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 5.501508712768555e-05,
        "target_ece": 0.001387017488013953,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 11,
      "loss": 8.679379004062962e-05,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 4.649162292480469e-05,
        "target_ece": 0.001319906412390992,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 12,
      "loss": 7.15753852235043e-05,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 4.0471553802490234e-05,
        "target_ece": 0.0012643637601286173,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 13,
      "loss": 5.9838949853560496e-05,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 3.415346145629883e-05,
        "target_ece": 0.0012052194506395608,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 14,
      "loss": 5.114553201373814e-05,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 3.0517578125e-05,
        "target_ece": 0.00116775679634884,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 15,
      "loss": 4.43891615903244e-05,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 2.7120113372802734e-05,
        "target_ece": 0.0011370688735041767,
        "candidate_recall": 1.0
      }
    },
    {
      "epoch": 16,
      "loss": 3.890003048773475e-05,
      "validation": {
        "samples": 480,
        "action_accuracy": 1.0,
        "target_accuracy": 1.0,
        "joint_step_accuracy": 1.0,
        "action_ece": 2.4437904357910156e-05,
        "target_ece": 0.0011151702201459557,
        "candidate_recall": 1.0
      }
    }
  ],
  "evaluation": {
    "validation": {
      "samples": 480,
      "action_accuracy": 1.0,
      "target_accuracy": 1.0,
      "joint_step_accuracy": 1.0,
      "action_ece": 0.0,
      "target_ece": 0.0006519494054373354,
      "candidate_recall": 1.0
    },
    "test": {
      "samples": 480,
      "action_accuracy": 1.0,
      "target_accuracy": 1.0,
      "joint_step_accuracy": 1.0,
      "action_ece": 0.0,
      "target_ece": 0.0007661207773708156,
      "candidate_recall": 1.0
    },
    "novel_wording": {
      "samples": 480,
      "action_accuracy": 0.49166667461395264,
      "target_accuracy": 0.49791666865348816,
      "joint_step_accuracy": 0.4270833432674408,
      "action_ece": 0.506439236109145,
      "target_ece": 0.47587777813896537,
      "candidate_recall": 1.0
    }
  },
  "limitations": "Synthetic single-step action/target prediction; not arbitrary-site task success.",
  "production_promoted": false
}