fix: restrict to pkgs-stable and pkgs-pinned

modules/host/vpn.nix

@@ -1,11 +1,11 @@
-{ pkgs, pkgs-unstable, config, inputs, ...}: {
+{ pkgs, config, inputs, ...}: {
   systemd.services.v2raya = {
     enable = true;
     description = "v2rayA gui client";
     after = [ "network.target" ];
     serviceConfig = {
       Restart = "always";
-      ExecStart = "${pkgs-unstable.v2raya}/bin/v2rayA";
+      ExecStart = "${pkgs.v2raya}/bin/v2rayA";
     };
     path = with pkgs; [ iptables bash iproute2 ];
     wantedBy = [ "multi-user.target" ];

modules/user/packages/desktop.nix

@@ -1,6 +1,6 @@
-{ pkgs, inputs, pkgs-fixed, ... }: {
+{ pkgs, inputs, pkgs-pinned, ... }: {
   home.packages = with pkgs; [
-    pkgs-fixed.ayugram-desktop
+    pkgs-pinned.ayugram-desktop
     obs-studio
     mpv
     obsidian