/proc/self/root/proc/self/task/4/root/proc/4/root/proc/thread-self/root/proc/self/task/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 0x7ffd528a5380 0x400 0x1b2 0x0 0x8 0x7ffd528a4600 0x7f95e1409ec8