hit box red line

1.18 Suggestion: Make the red line indicating the hitbox's line of sight visible as shown in the image.mean down red line, preventing suffocation damage when jumping.
Also, please allow jumping to move one block.
<img width="2560" height="1440" alt="Image" src="https://github.com/user-attachments/assets/1edeb6b6-98da-4fec-9668-073610fbe755" />