first push!

Assets/Scripts/Debug/ForceCurveDataLogger.cs

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+using UnityEngine;
+using System.Collections.Generic;
+using System.Linq;
+
+public class ForceCurveDataLogger : MonoBehaviour
+{
+    private List<float> _strokeBuffer = new List<float>();
+
+    void Start()
+    {
+        if (PerformanceMonitorManager.Instance != null)
+            PerformanceMonitorManager.Instance.OnForceCurveUpdated += HandleData;
+    }
+
+    void HandleData(List<float> points)
+    {
+        // 1. SIGNAL: Manager sends empty list when a NEW stroke starts
+        if (points.Count == 0)
+        {
+            if (_strokeBuffer.Count > 5) 
+            {
+                LogFinishedStroke();
+            }
+            _strokeBuffer.Clear();
+        }
+        else
+        {
+            // 2. Accumulate the cumulative data
+            _strokeBuffer = new List<float>(points);
+        }
+    }
+
+    void LogFinishedStroke()
+    {
+        float maxForce = _strokeBuffer.Max();
+        float totalImpulse = _strokeBuffer.Sum(); // Area under the curve
+        string csv = string.Join(",", _strokeBuffer.Select(p => p.ToString("0")));
+
+        Debug.Log($"<color=#FF7F00><b>[STROKE RECORDED]</b></color> Impulse: {totalImpulse:N0} | Pts: {_strokeBuffer.Count} | Max: {maxForce}");
+        Debug.Log("CSV:" + csv);
+    }
+}