/proc/self/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 0x556e520bbbe0 0x400 0x5 0x0 0xfffffffffffffffb 0x7ffe26aafd10 0x7f11e34fb17e