{
  "learning_session_id": "S-014-A",
  "task_family": "code_debugging",
  "session_duration": 70,
  "attempt_count": 34,
  "response_latency_trend": {
    "pct_change": 38,
    "direction": "UP"
  },
  "error_rate_trend": {
    "from": 0.09,
    "to": 0.21
  },
  "hint_rate_trend": {
    "from": 0.12,
    "to": 0.27
  },
  "spacing_interval_minutes": 20,
  "recent_practice_load": "HIGH",
  "retention_check_ref": null,
  "retention_result": null,
  "performance_delta": "MULTI_SIGNAL_LATE_SESSION_DEGRADATION",
  "fatigue_signal_class": "UNCLASSIFIED",
  "medical_diagnosis_forbidden": true,
  "pause_recommendation": "OPTIONAL_PAUSE_OR_LIGHTER_RETRIEVAL",
  "learner_override": "CONTINUE_RECORDED",
  "review_state": "UNSET",
  "pause_is_reversible": true,
  "pause_is_punitive": false,
  "provenance": {
    "source": "synthetic-fixture",
    "rule_version": "MKN-014-LAB1-v1",
    "comparison_window": "first_15m_vs_last_15m"
  },
  "recomputed_from_changed_evidence": true,
  "baseline_oracle_reuse": false
}