Initial commit: SWP.Core enterprise framework with multi-tenant architecture, configuration management, security, telemetry and comprehensive test suite

Core/Telemetry/SeqTelemetryChannel.cs

@@ -0,0 +1,36 @@
+using Microsoft.ApplicationInsights;
+using Microsoft.ApplicationInsights.Channel;
+
+namespace SWP.Core.Telemetry
+{
+    public class SeqTelemetryChannel(IMessageChannel<ITelemetry> messageChannel, TelemetryClient telemetryClient)
+        : InMemoryChannel, ITelemetryChannel
+    {
+        public new void Send(ITelemetry telemetry)
+        {
+            if (telemetry.Context.GlobalProperties.TryGetValue("OmitSeqTelemetryChannel", out var value))
+                if (value == "true")
+                {
+                    base.Send(telemetry);
+                    return;
+                }
+
+            try
+            {
+                var writeTask = messageChannel.Writer.WriteAsync(telemetry).AsTask();
+                writeTask.ContinueWith(t =>
+                {
+                    if (t.Exception != null)
+                        throw t.Exception;
+                }, TaskContinuationOptions.OnlyOnFaulted);
+            }
+            catch (Exception e)
+            {
+                telemetryClient.TrackException(e,
+                    new Dictionary<string, string> { { "OmitSeqTelemetryChannel", "true" } });
+            }
+
+            base.Send(telemetry);
+        }
+    }
+}