{
  "resource": "Model operations runbook",
  "severity": [
    { "level": "S1", "trigger": "Unsafe action or data exposure", "owner": "incident_commander", "responseMinutes": 15, "customerComms": true, "rollback": "disable_route" },
    { "level": "S2", "trigger": "Material quality regression", "owner": "operations_lead", "responseMinutes": 60, "customerComms": "if_customer_visible", "rollback": "fallback_model" },
    { "level": "S3", "trigger": "Cost or latency degradation", "owner": "platform_owner", "responseMinutes": 240, "customerComms": false, "rollback": "routing_adjustment" }
  ],
  "postIncident": ["timeline", "root_cause", "control_gap", "test_added", "owner"]
}