{
  "fields": [
    {"key": "account_reference", "name": "Account reference", "type": "text", "required": true, "indexed": true},
    {"key": "onboarding_stage", "name": "Onboarding stage", "type": "select", "options": ["not_started", "in_progress", "complete"]},
    {"key": "health", "name": "Health", "type": "select", "options": ["healthy", "at_risk", "critical"]},
    {"key": "escalation_status", "name": "Escalation status", "type": "select", "options": ["none", "open", "resolved"]},
    {"key": "notes", "name": "Notes", "type": "text"}
  ]
}