small update

LcdLogger/Program.cs

@@ -23,7 +23,8 @@ app.MapPost("/logs", (LogBatch batch, LogQueue queue, IOptions<LogOptions> opts)
     if (batch.Logs.Length > opts.Value.MaxBatchEntries)
         return Results.BadRequest($"Batch too large (max {opts.Value.MaxBatchEntries})");
 
-    queue.TryEnqueue(batch);
+    var success = queue.TryEnqueue(batch);
+    if (!success) return Results.BadRequest();
     return Results.Accepted();
 });