feat(core): the command line's network commands ping, host, nslookup, arp and netstat after Java, measured against Java
TerminalRun types lines into Java's command line on terminal-net at set times; the engine types the same lines. New in the engine: an ICMP echo in a program's thread (the first ICMP message after the send, whatever it is), Java's route choice, the ARP table with Java's broadcast row, DNS in a program's thread, ICMP broadcasts of a node's own network, and an ARP wait that ends after what else happens at that millisecond. Departures from Java: an echo is answered from the address asked (RFC 792), network unreachable carries the packet with its sender, ping names the host and takes only -b before it, arp and netstat list in the order learned, netstat lists a UDP server's listening socket only. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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