/proc/self/root/proc/2/task/2
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 /.
232 0x3 0x5595d46febe0 0x400 0xa 0x0 0xfffffffffffffffd 0x7ffe7df09b10 0x7fc615e1617e