/proc/thread-self/root/proc/self/task/4/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 0x560251aeb628 0x189 0x3a8e3 0x0 0x0 0xffffffff 0x7f7da1fcbb00 0x7f7de1a5137a