/proc/4/root/proc/self/task/4/root/proc/4/task/8/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 0x55ec71eeb628 0x189 0x10356 0x0 0x0 0xffffffff 0x7f958bffeb00 0x7f95e138237a