/proc/self/root/proc/thread-self
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
14 (node) S 2 2 0 0 -1 1077936448 255 0 0 0 4 56 0 0 20 0 11 0 1398 1925074944 61425 18446744073709551615 93910464593920 93910508505013 140727145278816 0 0 0 0 16781312 17922 1 0 0 -1 1 0 0 4 0 0 93910563958464 93910564827248 93911368437760 140727145285057 140727145285295 140727145285295 140727145287653 0