合并仲裁实际消耗结算选项

backend/internal/modules/dispute/arbitration.go

@@ -224,7 +224,7 @@ func buildArbitrationDecision(tx *gorm.DB, row model.Dispute, order model.Rental
 
 func arbitrationUsesActualCheckout(result string) bool {
 	switch result {
-	case "release_deposit", "deduct_deposit", "compensate_owner":
+	case "actual_settlement", "release_deposit", "deduct_deposit", "compensate_owner":
 		return true
 	default:
 		return false
@@ -301,6 +301,14 @@ func arbitrationConsumableAmountCent(order model.RentalOrder, checkout *model.Or
 
 func arbitrationDepositDeductAmountCent(order model.RentalOrder, req ArbitrateRequest) (int64, error) {
 	switch req.Result {
+	case "actual_settlement":
+		if req.AmountCent <= 0 {
+			return 0, nil
+		}
+		if req.AmountCent > order.DepositAmountCent {
+			return 0, ErrInvalidDispute
+		}
+		return req.AmountCent, nil
 	case "release_deposit":
 		return 0, nil
 	case "deduct_deposit", "compensate_owner":
@@ -628,6 +636,8 @@ func buildArbitrationHandoffContent(req ArbitrateRequest, settlement arbitration
 
 func arbitrationResultLabel(result string) string {
 	switch result {
+	case "actual_settlement":
+		return "按实际消耗结算"
 	case "full_refund":
 		return "全额退款"
 	case "partial_refund":