return
			}
			_, err = buf.WriteTo(conn)
			if err != nil {
				gridLogIf(ctx, fmt.Errorf("ws write: %w", err))
				return
			}
			continue
		}

		// Merge entries and send
		queue = append(queue, toSend)
		if debugPrint {
			fmt.Println("Merging", len(queue), "messages")
		}

		toSend = merged[:0]
		m := message{Op: OpMerged, Seq: uint32(len(queue))}