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7. Watch: The Nearest Request, Approval, and Safety Point
7.1 Role of the watch
The watch supports short voice requests, reminders, haptic or spoken approval, kiosk personalization through QR/NFC, permitted daily health signals, helper calls, payment confirmation assistance, and lightweight check-ins. It is not merely a smaller phone.
7.2 Samsung Health and Galaxy Watch
With user consent, selected activity, heart-rate, and sleep information may provide daily context such as fatigue reminders or user-defined safety contacts. Wearable signals are incomplete and do not replace emergency or medical judgment. Responses follow user-defined rules and are framed as checks and contacts, not diagnoses.
7.3 Wearable AI direction
Personalized wearable models are a research direction, not evidence of partnership or clinical validation. Sensor signals are not used as sole grounds for medical diagnosis, automatic payment, or contract.
7.4 Payment and the watch
IROA links secure approval provided by existing wallets, banks, card companies, or regulated payment services. It may show items and amount for confirmation, but IROA, the kiosk, and the execution space do not retain card numbers or payment keys.