feat(pos): implement integrated full-screen POS point-of-sale system with inventory deduction and thermal receipt

packages/types/index.ts

@@ -267,6 +267,11 @@ export interface Order {
   totalAmount: number
   shippingFee: number
   status: string
+  channel?: string
+  paymentMethod?: string | null
+  receivedAmount?: number | null
+  changeAmount?: number | null
+  cashierId?: number | null
   paymentSlipUrl?: string | null
   trackingNo?: string | null
   customerId?: number | null
@@ -276,6 +281,7 @@ export interface Order {
   updatedAt: string
 }
 
+
 export interface Article {
   id: number
   slug: string