validateClassifier function exported ✓ 100.0%

export function validateClassifier(
  thresholds: AccuracyThresholds = DEFAULT_THRESHOLDS,
): ClassifierReport {
  const result = evaluateClassifier(classifySignals);
  const health = checkDatasetHealth();

  const failingTypes = Object.entries(result.perType)
    .filter(([, v]) => v.accuracy < thresholds.perTypeMin)
    .map(([type]) => type);

  return {
    globalAccuracy: result.globalAccuracy,
    passesGlobalThreshold: result.globalAccuracy >= thresholds.globalMin,
    failingTypes,
    health,
  };
}