/proc/self/root/proc/1
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 /.
1 (child_wrapper) S 0 1 1 0 -1 4194560 1004 310 4 0 0 1 0 0 20 0 1 0 178 3321856 495 18446744073709551615 94802203253168 94802203552848 140732170727648 0 0 0 0 4096 17474 1 0 0 17 0 0 0 0 0 0 94802203577416 94802203579824 94803110969344 140732170730282 140732170730515 140732170730515 140732170731488 0