{
  "log": "automation-rollout-runbook-exception-log",
  "fields": [
    {"name": "exception_id", "type": "string"},
    {"name": "workflow", "type": "string"},
    {"name": "class", "type": "data_quality | authority | user_training | system_failure | policy_gap | adoption_blocker"},
    {"name": "customer_impact", "type": "low | medium | high | critical"},
    {"name": "owner", "type": "string"},
    {"name": "decision_needed", "type": "string"},
    {"name": "resolution_evidence", "type": "url"},
    {"name": "wave_decision", "type": "expand | hold | narrow | rollback"}
  ]
}