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