/proc/2/root/proc/self/root/proc/self/task/4/root/proc/4/task/4/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 /.
0 0x18 0x55cdfe65d2f0 0x10000 0x55cdbd830ab8 0x0 0x0 0x7f1b77ffeaa0 0x7f1bcd52482c