That’s an AMAZING comment, thank you so much!

Re: schematics. Will take this in consideration next time

Re: constraints and DRC. I haven’t done this yet because I’m really scared of the result (actually, I ran DRC and it gave me minor things). I didn’t want to invest too much time in something I didn’t know if it would work

Re: silkscreen. I placed designators there for space reasons, I will try and see if they would fit if smaller. Also, metadata in the silkscreen seems a good idea.

Re: U1. I was worried that moving the IC would mean rerouting everything. I noticed and thought “too bad”, but I will try this

Re: SMD handsoldering. I never tried this before, so I figured that for me 1206 would be a good place to start. 0603 would not be comfortable 😆, I envy your colleague

Re: C1. Will do!

Re: CC resistors. It’s a great idea!