/proc/self/root/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 59232 0 751 0 701 128 0 0 20 0 11 0 153956 1922707456 51367 18446744073709551615 94890367406080 94890411165621 140729055434160 0 0 0 0 16781312 17922 0 0 0 17 1 0 0 42 0 0 94890467766176 94890468651888 94891004526592 140729055442317 140729055442555 140729055442555 140729055444965 0