/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 117320 0 753 0 2325 313 0 0 20 0 11 0 5254 1926705152 58114 18446744073709551615 94807485710336 94807529621429 140733259656800 0 0 0 0 16781312 17922 0 0 0 17 1 0 0 3 0 0 94807585074880 94807585943664 94808594046976 140733259662733 140733259662971 140733259662971 140733259665381 0