{
  "checkpoint_id": "ckpt_20260425_135103_18000_22deff1b_9470fbb7",
  "created_at": "2026-04-25T13:51:04.065681",
  "iteration": 18000,
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    "dropout": 0.1,
    "bias": true,
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    "connection_growth_rate": 0.05,
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  "training_config": {
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    "batch_size": 2,
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    "warmup_iters": 5000,
    "lr_decay_iters": 50000,
    "min_lr": 1e-05,
    "weight_decay": 0.1,
    "grad_clip": 1.0,
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    "enable_introspection": true
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  "data_config": {
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  "metrics": {
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    "connection_ratio": 1.0,
    "tokens_processed": 36864000,
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  "tags": [
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    "high_quality",
    "nanecho",
    "curriculum",
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  "parent_checkpoint": null,
  "notes": "Training checkpoint at iteration 18000 (resumed from iteration 17500) | Phase: adaptive_mastery",
  "file_size_mb": 253.3669786453247,
  "quality_score": 2764800.7811699593
}