- VPN card: relay URLs, device management, invite QR, add participant
- Backend: vpn.invite, vpn.add-participant, vpn.peer-config RPCs
- nvpn v0.3.7 system service (fixes event processing bug in v0.3.4)
- First-boot: auto-configure nvpn with node identity and endpoint
- Service: AF_NETLINK for WireGuard, NoNewPrivileges=no for sudo wg
- TASK-50: networking stack reliability from first install
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>