暂时提交，等客户那边测试

FrictionDataPoint.cs

@@ -0,0 +1,13 @@
+// FrictionDataPoint.cs
+using System;
+
+namespace PLCDataMonitor
+{
+    public class FrictionDataPoint
+    {
+        public DateTime Timestamp { get; set; }
+        public double Friction1 { get; set; }
+        public double Friction2 { get; set; }
+        public bool IsPaused { get; set; }
+    }
+}