/proc/4/root/proc/2/task/2/root/proc/self/root/proc/2/task/2/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 0x5639b26eb628 0x189 0x74ea5 0x0 0x0 0xffffffff 0x7f2a567edb00 0x7f2a95ed437a