/proc/thread-self/root/proc/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 /.
4 (node) S 2 2 0 0 -1 4194560 131477 0 749 0 13161 1432 0 0 20 0 11 0 51197 1919238144 56938 18446744073709551615 94149562990592 94149606901685 140731996114864 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 22 0 0 94149662355136 94149663223920 94149920661504 140731996116365 140731996116603 140731996116603 140731996119013 0