/proc/thread-self/root/proc/4/task/4/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 /.
281 0xd 0x7ffde038b530 0x400 0x20 0x0 0x8 0x7ffde038a7b0 0x7fe5c56cfec8