Overview
The CheckInPatientCommand records that a patient has arrived for their scheduled appointment, triggering notifications to the care team.
Command Schema
{ "commandId": "uuid", "commandType": "CheckInPatientCommand", "data": { "appointmentId": "string", "patientId": "string", "checkInTime": "ISO 8601", "checkInMethod": "kiosk | front_desk | mobile", "formsCompleted": "boolean", "insuranceVerified": "boolean", "copayCollected": "number" }}