Update

Assets/Scripts/UI/MouseMetricsHelper.cs

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+using UnityEngine;
+using System.Collections.Generic;
+
+namespace Hallucinate.UI
+{
+    public static class MouseMetricsHelper
+    {
+        private static int _reportCount = 0;
+        private static float _timer = 0f;
+        private static int _lastPollingRate = 0;
+        private static float _lastLatency = 0f;
+        private static Vector2 _lastMousePos;
+
+        public static (int pollingRate, float latencyMs) GetMetrics()
+        {
+            Update();
+            return (_lastPollingRate, _lastLatency);
+        }
+
+        private static void Update()
+        {
+            _timer += Time.unscaledDeltaTime;
+            
+            // Count "reports" based on position changes (simulated polling rate)
+            Vector2 currentPos = Input.mousePosition;
+            if (currentPos != _lastMousePos)
+            {
+                _reportCount++;
+                _lastMousePos = currentPos;
+            }
+
+            if (_timer >= 1f)
+            {
+                _lastPollingRate = (int)(_reportCount / _timer);
+                _reportCount = 0;
+                _timer = 0f;
+            }
+
+            // Dummy latency simulation (Input System doesn't expose raw hardware latency easily)
+            // In a real scenario, this would involve timestamping HID reports
+            _lastLatency = (1.0f / (Screen.currentResolution.refreshRateRatio.value > 0 ? (float)Screen.currentResolution.refreshRateRatio.value : 60f)) * 1000f;
+        }
+    }
+}