fix(common): classify request cancellation in profiler

Preserve legacy profiler contracts and record expected cancellation below error level.

HrynCo.Common/Profiler.cs

@@ -6,12 +6,26 @@ using Serilog;
 public interface IProfiler
 {
     Task<T> MeasureExecutionAsync<T>(Func<Task<T>> function, string blockName = "");
+    Task<T> MeasureExecutionAsync<T>(Func<Task<T>> function, string blockName, CancellationToken cancellationToken)
+    {
+        return MeasureExecutionAsync(function, blockName);
+    }
+
     Task MeasureExecutionAsync(Func<Task> action, string blockName = "");
+    Task MeasureExecutionAsync(Func<Task> action, string blockName, CancellationToken cancellationToken)
+    {
+        return MeasureExecutionAsync(action, blockName);
+    }
 }
 
 public class Profiler(ILogger logger) : IProfiler
 {
-    public async Task<T> MeasureExecutionAsync<T>(Func<Task<T>> function, string blockName = "")
+    public Task<T> MeasureExecutionAsync<T>(Func<Task<T>> function, string blockName = "")
+    {
+        return MeasureExecutionAsync(function, blockName, CancellationToken.None);
+    }
+
+    public async Task<T> MeasureExecutionAsync<T>(Func<Task<T>> function, string blockName, CancellationToken cancellationToken)
     {
         logger.ForContext("PerformanceLog", true).Information("{BlockName} - Start", blockName);
 
@@ -42,6 +56,13 @@ public class Profiler(ILogger logger) : IProfiler
 
             return result;
         }
+        catch (OperationCanceledException) when (cancellationToken.IsCancellationRequested)
+        {
+            logger
+                .ForContext("PerformanceLog", true)
+                .Debug("{BlockName} - Canceled", blockName);
+            throw;
+        }
         catch (Exception ex) // NOSONAR
         {
             logger
@@ -51,12 +72,17 @@ public class Profiler(ILogger logger) : IProfiler
         }
     }
 
-    public async Task MeasureExecutionAsync(Func<Task> action, string blockName = "")
+    public Task MeasureExecutionAsync(Func<Task> action, string blockName = "")
+    {
+        return MeasureExecutionAsync(action, blockName, CancellationToken.None);
+    }
+
+    public async Task MeasureExecutionAsync(Func<Task> action, string blockName, CancellationToken cancellationToken)
     {
         await MeasureExecutionAsync<object?>(async () =>
         {
             await action();
             return null;
-        }, blockName);
+        }, blockName, cancellationToken);
     }
-}
+}