Actually add /etc/nix as well

common/modules/home/services.nix

@@ -1,39 +1,41 @@
-{pkgs, ...}: {
-  systemd.user.services.sync-dev-shells = {
+{pkgs, ...}: let
+  devShellsDir = "$HOME/.config/nix-shells";
+  nixConfigDir = "/etc/nixos";
+
+  syncScript = pkgs.writeShellScript "sync-all-repos" ''
+    repos=("${devShellsDir}" "${nixConfigDir}")
+
+    for repo in "''${repos[@]}"; do
+      echo "Syncing $repo..."
+      if ! ${pkgs.git}/bin/git -C "$repo" pull --rebase --autostash; then
+        ${pkgs.libnotify}/bin/notify-send -u critical "Sync Failed" "Conflict or network error in $repo"
+      else
+        ${pkgs.git}/bin/git -C "$repo" add -N . 2>/dev/null || true
+      fi
+    done
+  '';
+in {
+  systemd.user.services.sync-nix-repos = {
     Unit = {
-      Description = "Background sync for Nix dev shells repository";
+      Description = "Background sync for Nix Config and Dev Shells";
       After = ["network-online.target"];
       Wants = ["network-online.target"];
     };
 
     Service = {
       Type = "oneshot";
-      WorkingDirectory = "%h/.config/nix-shells";
-
-      ExecStart = ''
-        ${pkgs.bash}/bin/bash -c " \
-          ${pkgs.git}/bin/git pull --rebase --autostash || \
-          ${pkgs.libnotify}/bin/notify-send -u critical 'Sync Failed' 'Nix dev shells encountered a git conflict or network error.' \
-        "
-      '';
-
+      ExecStart = "${syncScript}";
       PassEnvironment = ["DBUS_SESSION_BUS_ADDRESS" "DISPLAY"];
     };
   };
 
-  systemd.user.timers.sync-dev-shells = {
-    Unit = {
-      Description = "Check for dev shell updates every hour";
-    };
-
+  systemd.user.timers.sync-nix-repos = {
+    Unit.Description = "Hourly sync for all Nix repositories";
     Timer = {
       OnBootSec = "2m";
       OnUnitActiveSec = "1h";
       Persistent = true;
     };
-
-    Install = {
-      WantedBy = ["timers.target"];
-    };
+    Install.WantedBy = ["timers.target"];
   };
 }