更新202612

ViewModels/StationViewModel.cs

@@ -1625,6 +1625,7 @@ namespace TabletTester2025.ViewModels
                     throw new InvalidOperationException("硬度测试已停止，未保存结果");
 
                 ApplyHardnessStatistics(count);
+                AddHardnessGroupSummaryRow();
                 resultReady = true;
             }
             catch (Exception ex)
@@ -1775,6 +1776,29 @@ namespace TabletTester2025.ViewModels
             }
         }
 
+        private void AddHardnessGroupSummaryRow()
+        {
+            var stats = TestCalculationService.CalculateHardness(
+                _hardnessResults,
+                HardnessInternalMin,
+                HardnessInternalMax,
+                _hardnessResults.Count);
+
+            HardnessDisplaySamplePoints.Add(new HardnessDisplaySamplePoint
+            {
+                IsSummaryRow = true,
+                GroupNo = _currentHardnessGroupNo,
+                CumulativeNo = 0,
+                SequenceNo = 0,
+                Value = 0,
+                DeviationFromAverage = 0,
+                GroupAverage = stats.Average,
+                GroupAverageDeviation = stats.AverageDeviation,
+                GroupRSD = stats.RsdPercent,
+                RecordedAt = DateTime.MinValue
+            });
+        }
+
         /// 脆碎度测试主逻辑（实时状态显示）
 
         private async Task RunFriabilityAsync()