konishi: enable Wake-on-LAN on enp5s0

Arm magic-packet WoL on the Intel igc NIC (re-applied every boot) so
Moonlight can wake the box from suspend to stream. Still needs "Wake on
LAN" enabled in BIOS.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

hosts/konishi/default.nix

@@ -24,6 +24,12 @@
 
   networking.hostName = "konishi";
 
+  # Arm Wake-on-LAN (magic packet) on the Intel igc NIC and re-apply it on every
+  # boot — the driver resets WoL state otherwise. Lets Moonlight wake this box
+  # from suspend to stream. NOTE: also needs "Wake on LAN" enabled in BIOS (and
+  # ErP/deep-S5 disabled if you want wake from full power-off, not just suspend).
+  networking.interfaces.enp5s0.wakeOnLan.enable = true;
+
   services.xserver.displayManager.sessionCommands = ''
     BOTTOM='HDMI-0'
     TOP='DP-0'