bws-*-done-* files contain only two lines
All the "done" files from my bwauth contain only two lines, "slicenum=" and timestamp.
$ find data -name bws-\*-done-\* | wc -l
1366
$ find data -name bws-\*-done-\* -exec sh -c "wc -l {} | cut -d \ -f 1 | egrep -v 2" \;
$
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information