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