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