/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 52859 0 758 0 360 80 0 0 20 0 11 0 8008 1863200768 44295 18446744073709551615 93909351006208 93909394917301 140721082189040 0 0 0 0 16781312 17922 0 0 0 17 1 0 0 3 0 0 93909450370752 93909451239536 93910186225664 140721082193344 140721082193582 140721082193582 140721082195941 0