/proc/self/root/proc/4/root/proc/2
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 /.
232 0x3 0x55800ed91be0 0x400 0x9 0x0 0xfffffffffffff969 0x7fff23154990 0x7f1338bf717e