/proc/self/task/9/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 0x7ffcf87951a0 0x400 0x331 0x0 0x8 0x7ffcf8794410 0x7fc5574aeec8