/proc/thread-self/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 0x67eca28 0x189 0x28f 0x0 0x0 0xffffffff 0x7f782b77dbc0 0x7f786aa1437a