ROUTER_WAS_NOT_NEW and ROUTER_WAS_TOO_OLD are confusingly confusable
We should document every was_router_added_t value. And we should rename the values that are confusable, notably "ROUTER_WAS_NOT_NEW" and "ROUTER_TOO_OLD": They mean different things, but the names sure don't make that clear.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information