/proc/thread-self/root/proc/4/task/6/root/proc/thread-self/root/proc/2
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 /.
11:blkio:/10:hugetlb:/9:memory:/8:cpuset:/7:cpu,cpuacct:/6:net_cls,net_prio:/5:devices:/4:pids:/3:freezer:/2:perf_event:/1:name=systemd:/