/proc/net
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 /.
Num RefCount Protocol Flags Type St Inode Path0000000000000000: 00000003 00000000 00000000 0001 03 47370000000000000000: 00000003 00000000 00000000 0001 03 51420000000000000000: 00000003 00000000 00000000 0001 03 5150 /tmp/vercel-2543446985.sock0000000000000000: 00000003 00000000 00000000 0001 03 47670000000000000000: 00000003 00000000 00000000 0001 03 51430000000000000000: 00000003 00000000 00000000 0001 03 4738