/proc/self/root/proc/self/root/proc/thread-self/root/proc/12
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 0xc 0x7fd4c4f79ba0 0x400 0xffffffff 0x0 0x8 0x7fd4c4f78e40 0x7fd4c51c8ec8