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