/proc/4/root/proc/self/task/4/root/proc/self/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 /.
202 0x563f38ceb628 0x189 0xf960 0x0 0x0 0xffffffff 0x7f94aaffcb00 0x7f94fb96737a