The pins don’t seem to be recognized so I can’t connect it to the breadboard.
The breadboard part is offgrid and isn’t aligning with the breadboard. I tried aligning the grid to 0.1" in Inkscape, but it’s still off in the part editor.
Please note that I don’t care about schematic and PCB views, so I’m using placeholders for those. I only care about the breadboard view.
Your svg is fine, your problem is you cloned the part from a moveable leg part and you don’t have (and likely don’t want!) the correct attributes to make that work. In the fzp file you need to remove the legId part of the connector definition from