feat: use mainGateway for idols-ai, rename defaultGateway to proxyGateway

hosts/idols-ruby/default.nix

@@ -11,11 +11,10 @@
 let
   hostName = "ruby"; # Define your hostname.
 
-  inherit (myvars.networking) defaultGateway defaultGateway6 nameservers;
+  inherit (myvars.networking) proxyGateway proxyGateway6 nameservers;
   inherit (myvars.networking.hostsAddr.${hostName}) iface ipv4;
   ipv4WithMask = "${ipv4}/24";
-in
-{
+in {
   imports = mylib.scanPaths ./.;
 
   # Enable binfmt emulation of aarch64-linux, this is required for cross compilation.
@@ -35,7 +34,7 @@ in
     "exfat"
   ];
 
-  boot.kernelModules = [ "kvm-amd" ];
+  boot.kernelModules = ["kvm-amd"];
   boot.extraModprobeConfig = "options kvm_amd nested=1"; # for amd cpu
 
   networking = {
@@ -50,9 +49,9 @@ in
   systemd.network.enable = true;
 
   systemd.network.networks."10-${iface}" = {
-    matchConfig.Name = [ iface ];
+    matchConfig.Name = [iface];
     networkConfig = {
-      Address = [ ipv4WithMask ];
+      Address = [ipv4WithMask];
       DNS = nameservers;
       DHCP = "ipv6"; # enable DHCPv6 only, so we can get a GUA.
       IPv6AcceptRA = true; # for Stateless IPv6 Autoconfiguraton (SLAAC)
@@ -61,11 +60,11 @@ in
     routes = [
       {
         Destination = "0.0.0.0/0";
-        Gateway = defaultGateway;
+        Gateway = proxyGateway;
       }
       {
         Destination = "::/0";
-        Gateway = defaultGateway6;
+        Gateway = proxyGateway6;
         GatewayOnLink = true; # it's a gateway on local link.
       }
     ];