fix: 特批附件展示行附件类型改为付款特批流程附件

展示行 attachmentType 由 spec_result 改为中文值付款特批流程附件，与附件名称口径一致；详情追加时兼容清理 spec_result 旧值历史行防重复

blade-service/blade-transport/src/main/java/org/springblade/transport/constant/HcsSyncConstant.java

@@ -193,7 +193,7 @@ public final class HcsSyncConstant {
 	/**
 	 * 付款申请附件类型值：合规特批结果附件（paymentLegal/result 回传展示行标记，详情展示用，不参与特批附件提交校验）
 	 */
-	public static final String PAYMENT_ATTACH_TYPE_SPEC_RESULT = "spec_result";
+	public static final String PAYMENT_ATTACH_TYPE_SPEC_RESULT = "付款特批流程附件";
 
 	/**
 	 * 合规特批结果附件统一业务名（金蝶上送与前端展示用，上传时按 C103-5 响应头补扩展名）

blade-service/blade-transport/src/main/java/org/springblade/transport/service/impl/PaymentApplicationServiceImpl.java

@@ -603,8 +603,10 @@ public class PaymentApplicationServiceImpl extends BaseServiceImpl<PaymentApplic
 		try {
 			List<Object> rows = Func.isBlank(vo.getAttachmentsJson())
 				? new ArrayList<>() : new ArrayList<>(JsonUtil.parse(vo.getAttachmentsJson(), List.class));
+			// 剔除历史展示行（含改版前 spec_result 旧值），避免前端随单保存后重复追加
 			rows.removeIf(row -> row instanceof Map<?, ?> map
-				&& HcsSyncConstant.PAYMENT_ATTACH_TYPE_SPEC_RESULT.equals(map.get("attachmentType")));
+				&& (HcsSyncConstant.PAYMENT_ATTACH_TYPE_SPEC_RESULT.equals(map.get("attachmentType"))
+					|| "spec_result".equals(map.get("attachmentType"))));
 			Map<String, Object> specRow = new LinkedHashMap<>();
 			specRow.put("name", HcsSyncConstant.PAYMENT_SPEC_ATTACH_NAME + ".pdf");
 			specRow.put("attachmentType", HcsSyncConstant.PAYMENT_ATTACH_TYPE_SPEC_RESULT);