NetVM: CDP on by default (deterministic port), --headless mode, netvm-cdp.sh helper

bin/netvm-cdp.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+# netvm-cdp.sh <profile> — show how to reach a profile's CDP endpoint.
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+. "$SCRIPT_DIR/netvm-names.sh"
+netvm_names "${1:?usage: netvm-cdp.sh <profile>}"
+TAIL_IP=$(tailscale ip -4 2>/dev/null | head -1)
+echo "profile:  $NODE"
+echo "cdp:      http://$PEER_IP:$CDP_PORT/json/list   (from this host)"
+echo "remote:   ssh -L $CDP_PORT:$PEER_IP:$CDP_PORT super@${TAIL_IP:-<tail-ip-of-this-host>}"
+echo "launch:   netvm-chrome.sh $NODE [--headless]   (CDP on by default)"