/proc/2/root/proc/4/root/proc/self/task/9/root/proc/self/root/proc/thread-self
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 /.
0 0x16 0x55aa2e7d5280 0x10000 0x55aa0596a438 0x0 0x7f6a5e1f1720 0x7f6a1df6baa0 0x7f6a5e26682c