fix:code rabbit 이슈 수정

Author: neibler

nginx/nginx.conf

@@ -73,7 +73,7 @@ http {
         # 프론트엔드 (임시 기본 페이지)
         location / {
             root /usr/share/nginx/html;
-            try_files $uri /index.html;
+            try_files $uri $uri/ /index.html;
         }
     }
 }

src/main/java/com/ongil/backend/domain/order/dto/response/RefundInfoDto.java

@@ -11,7 +11,10 @@ public record RefundInfoDto(
 	@Schema(description = "배송비")
 	Integer shippingFee,
 
-	@Schema(description = "환불 금액 (상품 금액 - 배송비)")
+	@Schema(description = "사용 포인트 (복원 예정)")
+	Integer usedPoints,
+
+	@Schema(description = "환불 금액 (실결제 금액 기준)")
 	Integer refundAmount
 ) {
 }

src/main/java/com/ongil/backend/domain/order/entity/Order.java

@@ -101,11 +101,12 @@ public void cancel(CancelReason cancelReason, String cancelDetail) {
 	}
 
 	public void updateDeliveryAddress(String recipient, String recipientPhone,
-		String deliveryAddress, String detailAddress, String postalCode) {
+		String deliveryAddress, String detailAddress, String postalCode, String deliveryMessage) {
 		this.recipient = recipient;
 		this.recipientPhone = recipientPhone;
 		this.deliveryAddress = deliveryAddress;
 		this.detailAddress = detailAddress;
 		this.postalCode = postalCode;
+		this.deliveryMessage = deliveryMessage;
 	}
 }

src/main/java/com/ongil/backend/domain/order/service/OrderService.java

@@ -217,7 +217,8 @@ public OrderDetailResponse updateDeliveryAddress(Long userId, Long orderId, Deli
 			address.getRecipientPhone(),
 			address.getBaseAddress(),
 			address.getDetailAddress(),
-			address.getPostalCode()
+			address.getPostalCode(),
+			address.getDeliveryRequest()
 		);
 
 		List<OrderItemDto> itemDtos = orderConverter.toOrderItemDtos(order);
@@ -249,9 +250,16 @@ private RefundInfoDto calculateRefundInfo(Order order) {
 			.mapToInt(item -> item.getPriceAtOrder() * item.getQuantity())
 			.sum();
 		int shippingFee = 0;
-		int refundAmount = Math.max(productAmount - shippingFee, 0);
 
-		return new RefundInfoDto(productAmount, shippingFee, refundAmount);
+		int usedPoints = 0;
+		Payment payment = order.getPayment();
+		if (payment != null && payment.getUsedPoints() != null) {
+			usedPoints = payment.getUsedPoints();
+		}
+
+		int refundAmount = Math.max(productAmount - shippingFee - usedPoints, 0);
+
+		return new RefundInfoDto(productAmount, shippingFee, usedPoints, refundAmount);
 	}
 
 	public OrderHistoryResponse getOrderHistory(