{
  "phase": 1,
  "data_source": "PhysioNet NSRDB + CHFDB (no credentials required)",
  "n_normal_segments": 48,
  "n_chf_segments": 34,
  "n_normal_records": 16,
  "n_chf_records": 15,
  "hrv_only_auc": 0.9465079365079365,
  "fusion_results": null,
  "crp_source": "synthetic_literature_distribution",
  "crp_note": "Replace with MIMIC-IV CRP for clinical validation claims",
  "features_computed": [
    "SDNN",
    "RMSSD",
    "pNN50",
    "SampEn",
    "DFA_alpha",
    "LF_HF",
    "mean_HR"
  ],
  "next_step": "PhysioNet MIMIC-IV credentialing for real CRP + cancer labels"
}