/proc/self/task/10/root/proc/thread-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 /.
18 (libuv-worker) S 1 1 1 0 -1 4194624 59 0 0 0 0 14 0 0 20 0 11 0 375 1850040320 58284 18446744073709551615 7589888 50333345 140729685693152 0 0 0 0 16781312 17922 1 0 0 -1 0 0 0 0 0 0 109655528 109844416 689360896 140729685694184 140729685694393 140729685694393 140729685696487 0