fix: 错误队列不能只读前两个，增加了清除功能，读完全部错误队列

cmd/internal/transport/tcp_test.go

@@ -38,6 +38,26 @@ func (failingLogger) LogEvent(latencylog.Event) error {
 	return errors.New("log failed")
 }
 
+type recordingTXTimestampDebugLogger struct {
+	mu      sync.Mutex
+	records []TXTimestampDebugRecord
+}
+
+func (l *recordingTXTimestampDebugLogger) LogTXTimestampDebugRecord(record TXTimestampDebugRecord) error {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	l.records = append(l.records, record)
+	return nil
+}
+
+func (l *recordingTXTimestampDebugLogger) Records() []TXTimestampDebugRecord {
+	l.mu.Lock()
+	defer l.mu.Unlock()
+
+	return append([]TXTimestampDebugRecord(nil), l.records...)
+}
+
 // TestSendReceiveMessage 验证 transport 可以在单条连接上正常收发 text 和 file 消息。
 func TestSendReceiveMessage(t *testing.T) {
 	tests := []struct {