User sees a numbered list but could only type the name.
Now numeric input is resolved to the interface name via awk NR==N.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Interactive script: lists interfaces, DHCP or static IP config.
Shown as hint in tty1 welcome message.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>