{
  "baseline": "mask_r4 best_AP update500 + high-recall D1 + HuiduRep internal denoise + VanillaCluster CD_TRIM25",
  "sampling_frequency_hz": 30000.0,
  "detector_checkpoint": "detector_mask_r4_best_ap.pt",
  "huidurep_checkpoint": "HuiduRep.pt",
  "detector_architecture": {
    "num_channels": 4,
    "d_model": 256,
    "nhead": 4,
    "num_layers": 6,
    "dim_ff": 1024,
    "dropout": 0.1,
    "frontend_channels": 64,
    "local_window": 256,
    "causal": false,
    "prior_prob": 0.01,
    "use_positional_encoding": true,
    "positional_encoding_type": "rotary",
    "frontend_type": "standard",
    "qk_normalization": "l2"
  },
  "huidurep_architecture": {
    "T": 0.2,
    "mask_ratio": 0.0,
    "use_embedding": true,
    "n_heads": 4,
    "m": 0.99,
    "use_avg_pool": true,
    "K": 4096,
    "embedding_dim": 64,
    "ff_dim": 128,
    "num_layers": 4,
    "dropout": 0.1,
    "moco_v3": true
  },
  "profiles": {
    "d1": {
      "filter": {
        "low": 300.0,
        "high": 5000.0,
        "order": 5,
        "notch": true
      },
      "waveform_global_mad": false,
      "base_threshold": 0.039,
      "direct_keep": 0.045
    },
    "canonical": {
      "filter": {
        "low": 200.0,
        "high": 6000.0,
        "order": 3,
        "notch": false
      },
      "waveform_global_mad": true,
      "base_threshold": 0.038,
      "direct_keep": 0.041
    }
  },
  "default_profile": "d1",
  "chunk_len": 2500,
  "candidate_floor": 0.0,
  "peak_radius": 3,
  "refractory_samples": 12,
  "event_snr_radius": 12,
  "primary_snr": 3.0,
  "secondary_snr": 2.0,
  "min_secondary_channels": 1,
  "gmm": {
    "covariance_type": "full",
    "n_init": 1,
    "max_iter": 100,
    "tol": 0.001,
    "reg_covar": 1e-06
  },
  "residual": {
    "before": 30,
    "after": 30,
    "max_shift": 2,
    "amplitude_min": 0.5,
    "amplitude_max": 2.0,
    "core_posterior": 0.9,
    "min_core_events": 30,
    "max_template_events": 512,
    "fold_block_seconds": 1.0,
    "top_components": 3,
    "residual_weight": 2.0,
    "max_log_evidence": 4.0,
    "batch_size": 512
  },
  "template_low_fraction": 0.25,
  "template_tie_seed": 20260912,
  "historical_seeds": {
    "start": 30,
    "stop_exclusive": 60
  },
  "latest_frozen_hybrid_components": {
    "11": 22,
    "12": 22,
    "21": 24,
    "22": 24,
    "31": 24,
    "32": 24
  }
}