fix(alert): 修复评估报告测试数据序列化问题

- 调整 import 语句顺序，统一数据对象和映射器引用
- 修复 uplow 字段空值处理逻辑，避免空指针异常
- 注释掉重复的 low_f 和 high_f 属性设置
- 精简 JSON 序列化注解中的别名配置，去除冗余映射
- 统一模型测试类属性命名规则，提高代码可读性

yudao-module-alert/yudao-module-alert-biz/src/main/java/cn/iocoder/yudao/module/alert/service/assessreport/impl/AssessReportServiceImpl.java

@@ -6,16 +6,16 @@ import cn.hutool.core.util.StrUtil;
 import cn.iocoder.yudao.framework.common.util.http.HttpUtils;
 import cn.iocoder.yudao.framework.common.util.json.JsonUtils;
 import cn.iocoder.yudao.module.alert.controller.admin.assessreport.vo.*;
-import cn.iocoder.yudao.module.alert.dao.domain.ModelCfg;
+import cn.iocoder.yudao.module.alert.dal.dataobject.assessreport.AssessReportDO;
+import cn.iocoder.yudao.module.alert.dal.dataobject.model.ModelConditionDO;
+import cn.iocoder.yudao.module.alert.dal.mysql.assessreport.AssessReportMapper;
+import cn.iocoder.yudao.module.alert.dal.mysql.model.ModelConditionMapper;
 import cn.iocoder.yudao.module.alert.dao.domain.AssessReportCfg;
+import cn.iocoder.yudao.module.alert.dao.domain.ModelCfg;
 import cn.iocoder.yudao.module.alert.dao.domain.ModelVersion;
 import cn.iocoder.yudao.module.alert.dao.mapper.AssessReportCfgMapper;
 import cn.iocoder.yudao.module.alert.dao.service.ModelCfgService;
 import cn.iocoder.yudao.module.alert.dao.service.ModelVersionService;
-import cn.iocoder.yudao.module.alert.dal.dataobject.assessreport.AssessReportDO;
-import cn.iocoder.yudao.module.alert.dal.mysql.assessreport.AssessReportMapper;
-import cn.iocoder.yudao.module.alert.dal.dataobject.model.ModelConditionDO;
-import cn.iocoder.yudao.module.alert.dal.mysql.model.ModelConditionMapper;
 import cn.iocoder.yudao.module.alert.service.assessreport.AssessReportService;
 import com.alibaba.excel.util.DateUtils;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
@@ -488,7 +488,7 @@ public class AssessReportServiceImpl implements AssessReportService {
                 AssessPointVO p = pointRows.get(i);
                 dead[i] = Boolean.TRUE.equals(p.getDead()) ? 0 : 1;
                 limit[i] = Boolean.TRUE.equals(p.getLimit()) ? 1 : 0;
-                uplow[i] = (p.getLower() == null ? "" : p.getLower()) + "," + (p.getUpper() == null ? "" : p.getUpper());
+                uplow[i] = String.valueOf(p.getLower()) + "," + String.valueOf(p.getUpper());
             }
         }
         if (!CollectionUtils.isEmpty(reqVO.getAssessRows())) {
@@ -530,8 +530,8 @@ public class AssessReportServiceImpl implements AssessReportService {
         payload.setVersion(reqVO.getVersion());
         payload.setCoverage(fetchCoverage(modelInfo));
         payload.setTest_Data(buildTestData(reqVO, modelInfo, pointRows));
-        payload.setLow_f(joinDouble(hi));
-        payload.setHigh_f(joinDouble(hi));
+//        payload.setLow_f(joinDouble(hi));
+//        payload.setHigh_f(joinDouble(hi));
         return payload;
     }
 
@@ -671,17 +671,17 @@ class TestData {
 class ModelTestNew {
     private boolean expand;
     @com.fasterxml.jackson.annotation.JsonProperty("Test_Data")
-    @com.fasterxml.jackson.annotation.JsonAlias({"Test_Data", "test_data"})
+    @com.fasterxml.jackson.annotation.JsonAlias({"Test_Data"})
     private TestData Test_Data;
     @com.fasterxml.jackson.annotation.JsonProperty("dead")
     private String dead;
     @com.fasterxml.jackson.annotation.JsonProperty("limit")
     private String limit;
     @com.fasterxml.jackson.annotation.JsonProperty("Model_id")
-    @com.fasterxml.jackson.annotation.JsonAlias({"Model_id", "model_id"})
+    @com.fasterxml.jackson.annotation.JsonAlias({"Model_id"})
     private String Model_id;
     @com.fasterxml.jackson.annotation.JsonProperty("Model_alg")
-    @com.fasterxml.jackson.annotation.JsonAlias({"Model_alg", "model_alg"})
+    @com.fasterxml.jackson.annotation.JsonAlias({"Model_alg"})
     private String Model_alg;
     @com.fasterxml.jackson.annotation.JsonProperty("number_sample")
     private int number_sample;
@@ -690,10 +690,10 @@ class ModelTestNew {
     @com.fasterxml.jackson.annotation.JsonProperty("condition")
     private String condition;
     @com.fasterxml.jackson.annotation.JsonProperty("Test_Type")
-    @com.fasterxml.jackson.annotation.JsonAlias({"Test_Type", "test_type"})
+    @com.fasterxml.jackson.annotation.JsonAlias({"Test_Type"})
     private String Test_Type;
     @com.fasterxml.jackson.annotation.JsonProperty("Limit_Value")
-    @com.fasterxml.jackson.annotation.JsonAlias({"Limit_Value", "limit_value"})
+    @com.fasterxml.jackson.annotation.JsonAlias({"Limit_Value"})
     private double Limit_Value;
     @com.fasterxml.jackson.annotation.JsonProperty("uplow")
     private String uplow;