/proc/self/task/5/root/proc/thread-self/root/proc/self/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 0x7ffe5450f790 0x400 0x1cc 0x0 0x8 0x7ffe5450ea10 0x7f5c8f337ec8