_wt_probe_one.nx

_wt_probe_one.nx -- single-host WALL PROBE unit for nx_wall_triage. Runs the full sovereign HTTPS fetch and exits with the STAGE that refused us, so the parent can NAME the wall instead of a flat rc=2: exit 0 = HTTP reached (status line + header head written to argv[2] -- an HTTP-level wall like 403 is visible there) exit 12 = bad url exit 13 = DNS/TCP connect refused exit 14 = TLS handshake refused (ClientHello-fingerprint suspect) exit 15 = TLS up, HTTP fetch failed (send/read) exit 3 = bad args Child of nx_guarded_run (a hang is reaped as 124). usage: _wt_probe_one <url> <out>