/proc/4/task/4/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 0x55b2f32eb628 0x189 0x7ad1 0x0 0x0 0xffffffff 0x7f01737fdb00 0x7f01c2a9c37a