{
  "_comment": "TCN sequence length config. Generated by N09_tiredeg_sequence_config.ipynb.",
  "_usage": "Import in N08. Use global.window_size for the global model; per_compound[compound].window_size for fine-tuned models. C6 has no dedicated model \u2014 use global.",
  "global": {
    "window_size": 36,
    "basis": "p90_all_dry_compounds",
    "p50": 21,
    "p75": 29,
    "p90": 36,
    "p95": 42
  },
  "per_compound": {
    "C1": {
      "window_size": 31,
      "basis": "p90",
      "p50": 21,
      "p75": 27,
      "p90": 31,
      "p95": 39,
      "n_stints": 285,
      "status": "ok"
    },
    "C2": {
      "window_size": 40,
      "basis": "p90",
      "p50": 23,
      "p75": 31,
      "p90": 40,
      "p95": 44,
      "n_stints": 550,
      "status": "ok"
    },
    "C3": {
      "window_size": 38,
      "basis": "p90",
      "p50": 22,
      "p75": 30,
      "p90": 38,
      "p95": 43,
      "n_stints": 1339,
      "status": "ok"
    },
    "C4": {
      "window_size": 34,
      "basis": "p90",
      "p50": 19,
      "p75": 27,
      "p90": 34,
      "p95": 38,
      "n_stints": 859,
      "status": "ok"
    },
    "C5": {
      "window_size": 31,
      "basis": "p90",
      "p50": 15,
      "p75": 25,
      "p90": 31,
      "p95": 35,
      "n_stints": 183,
      "status": "ok"
    },
    "C6": {
      "window_size": null,
      "basis": "p90",
      "p50": 9,
      "p75": 16,
      "p90": 25,
      "p95": 28,
      "n_stints": 4,
      "status": "no_model_fallback_global"
    }
  },
  "padding_strategy": "left_zero_pad",
  "truncation_strategy": "truncate_from_start",
  "masking": true,
  "notes": [
    "window_size = p90 of stint length per compound (or manual override).",
    "Stints shorter than window_size are left-zero-padded; mask=True on padding positions.",
    "Stints longer than window_size are truncated from the start (most recent laps kept).",
    "C6: insufficient stints for a dedicated model; falls back to global at inference time.",
    "Overrides can be applied in N09 Step 5 if analysis justifies a different value."
  ]
}