ef96cafcc8
- maskIp handles IPv6 addresses (masks second and last group) - maskIp handles comma-separated IP strings (masks each address) - Add splitIps() helper to parse comma-separated IP field - Add primaryIp() helper used by status checker (first IP wins) - BaseNode renders each IP on its own line when comma-separated - NodeModal placeholder shows comma-separated example - Backend status_checker uses only first IP for connectivity checks - Expand maskIp test suite: IPv6, comma-separated, splitIps, primaryIp