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