Come on, I’ll share a little too.
I wanted to manage the space bar better, even though the team is already actively working on it.
Here’s a proposal with what I’ve set up on my side (an example that needs a bit of fine-tuning)
It’s work with auto-hide active/inactive and with widgets hide/shown.

/* Global */
#vault{
width:50px;
}
#vault .body{
width:50px;
}
#vault #scroll{
padding:0;
}
#sidebar{
left:0;
}
#vault #scroll .isActive::after{
left:-5px;
}
#vault #item-settings.item{
width: 30px;
height: 30px;
margin:5px;
}
#sidebarToggle{
top: 5px;
left:5px;
}
/* Custom for autohide */
#vault{
height: 35px !important;
background-color: transparent;
}
#vault .head{
display:none;
}
#vault #scroll{
display:none;
}
/* Autohide */
#vault:hover #scroll{
display:flex;
order: 1;
}
#vault:hover{
background-color: var(--color-shape-primary);
height: 100% !important;
box-shadow:0 0 3px black;
}