Siklus Pembayaran

Endpoint

POST /api/v1/admin/payments
{ "method": "cash" | "qris" | "transfer", "amount": 94000, "orderId": "..." }
→ Payment aggregate dibuat (status: created)

POST /api/v1/admin/payments/:id
{ "type": "confirm" | "provider_settled" | "provider_declined"
      | "provider_ambiguous", "commandId": "..." }
→ State machine transition

Lifecycle

cash: created → confirm → settled
qris: created → confirm → pending → provider_settled → settled
      (atau provider_declined → declined)

Detail teknis

• Event store: payment_events (initiate, confirm, provider_settled).
• Idempotent: commandId per transition (idempotency key tenant-scoped).
• Provider: Midtrans Snap API — adapter MidtransPaymentAdapterLive (infra/adapters/midtrans.adapter.ts) ter-wire; gateway call E2E membutuhkan server key valid (item v1.1).