Add MVP router flake with VM test and tmux lab

router.* schema (wan, lans, dns.forwarders) compiled to systemd-networkd,
a generated nftables ruleset with NAT, Kea DHCPv4 and Unbound, plus build-time
assertions against lock-out and interface conflicts.

tests/basic.nix is a three-node VM test (upstream/router/client) covering WAN
DHCP, LAN DHCP and DNS, NAT, WAN-deny and LAN SSH/ping. `nix run .#lab` boots
the same topology in tmux with one console pane per VM and the driver REPL.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
2026-10-27 13:38:41 +01:00
co-authored by Claude Sonnet 5.5
commit dcef7665b4
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{ self, pkgs }:
{
basic = import ./basic.nix { inherit self pkgs; };
}