/proc/4/task/9/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 /.
281 0xd 0x7ffc385a5340 0x400 0xf3 0x0 0x8 0x7ffc385a45b0 0x7f1a48671ec8