/proc/thread-self/root/proc/4
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 22559 0 764 0 141 32 0 0 20 0 11 0 1259 1791213568 27428 18446744073709551615 94385501130752 94385544890293 140735620694576 0 0 0 0 16781312 17922 0 0 0 17 1 0 0 4 0 0 94385601490848 94385602376560 94386319732736 140735620699534 140735620699772 140735620699772 140735620702181 0