fix: 텔레그램 알림 예외에서 브라우저 강제 종료(JSDisconnectedException, TaskCanceledException) 필터링 추가

TaxBaik.Web/Logging/TelegramSink.cs

@@ -28,6 +28,20 @@ public class TelegramSink : ILogEventSink
             return;
         }
 
+        // Filter out harmless client disconnect and task cancellation exceptions
+        if (logEvent.Exception != null)
+        {
+            var exTypeName = logEvent.Exception.GetType().FullName ?? "";
+            var exMessage = logEvent.Exception.Message ?? "";
+            if (exTypeName.Contains("JSDisconnectedException") ||
+                exTypeName.Contains("TaskCanceledException") ||
+                exMessage.Contains("JavaScript interop calls cannot be issued") ||
+                exMessage.Contains("circuit has disconnected"))
+            {
+                return;
+            }
+        }
+
         // Emit is a synchronous method, so we dispatch the network call asynchronously
         Task.Run(async () =>
         {