compact ui design refactor with lightfinder redesign

LightlessSync/Services/Mediator/LightlessMediator.cs

@@ -63,23 +63,31 @@ public sealed class LightlessMediator : IHostedService
 
         _ = Task.Run(async () =>
         {
-            while (!_loopCts.Token.IsCancellationRequested)
+            try
             {
-                while (!_processQueue)
+                while (!_loopCts.Token.IsCancellationRequested)
                 {
+                    while (!_processQueue)
+                    {
+                        await Task.Delay(100, _loopCts.Token).ConfigureAwait(false);
+                    }
+
                     await Task.Delay(100, _loopCts.Token).ConfigureAwait(false);
+
+                    HashSet<MessageBase> processedMessages = [];
+                    while (_messageQueue.TryDequeue(out var message))
+                    {
+                        if (processedMessages.Contains(message)) { continue; }
+
+                        processedMessages.Add(message);
+
+                        ExecuteMessage(message);
+                    }
                 }
-
-                await Task.Delay(100, _loopCts.Token).ConfigureAwait(false);
-
-                HashSet<MessageBase> processedMessages = [];
-                while (_messageQueue.TryDequeue(out var message))
-                {
-                    if (processedMessages.Contains(message)) { continue; }
-                    processedMessages.Add(message);
-
-                    ExecuteMessage(message);
-                }
+            }
+            catch (OperationCanceledException)
+            {
+                _logger.LogInformation("LightlessMediator stopped");
             }
         });