/proc/2/root/proc/self/root/proc/2/task/2/root/proc/4/task/5/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 /.
0 0x18 0x555924ef1a30 0x10000 0x55591902d798 0x0 0x0 0x7f93496a4aa0 0x7f934c99682c