/proc/2/root/proc/self/root/proc/4
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 /.
281 0xd 0x7ffe023879c0 0x400 0x5c 0x0 0x8 0x7ffe02386c30 0x7f6da8086ec8