/proc/thread-self/root/proc/4/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 0x7ffe6619b440 0x400 0xf5 0x0 0x8 0x7ffe6619a6c0 0x7fcaf8735ec8