{
  "schema": "chiral_spectral_lut_v1",
  "zero_float": true,
  "entries": 65536,
  "regimes": 5,
  "regime_labels": [
    "CANONICAL",
    "ROSSBY",
    "SCARRED"
  ],
  "compute_time_s": 0.09,
  "note": "Integer arithmetic only. Block eigenvalues = 273 \u00b1 w, w = 128 \u00d7 avg(chi)"
}