deprecate stylix, fix minor gripes and bugs

flake.nix

@@ -2,17 +2,14 @@
   description = "NixOS configuration for all hosts";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+    nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
     nur = {
       url = "github:nix-community/NUR";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     home-manager = {
-      url = "github:nix-community/home-manager";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-    stylix = {
-      url = "github:nix-community/stylix";
+      url = "github:nix-community/home-manager/release-25.11";
       inputs.nixpkgs.follows = "nixpkgs";
     };
     noctalia = {
@@ -30,6 +27,7 @@
   outputs = inputs @ {
     self,
     nixpkgs,
+    nixpkgs-unstable,
     ...
   }:
     let
@@ -42,13 +40,6 @@
 
       overlays = [
         inputs.nur.overlays.default
-        (_final: prev: {
-          # openldap 2.6.13 currently flakes in its test suite when bottles pulls
-          # in the i686 variant for its multi-arch FHS environment.
-          openldap = prev.openldap.overrideAttrs (old: {
-            doCheck = if old.version == "2.6.13" then false else old.doCheck;
-          });
-        })
       ];
 
       pkgs = import nixpkgs {
@@ -58,20 +49,26 @@
         inherit overlays;
       };
 
+      pkgs-unstable = import nixpkgs {
+        inherit system;
+        config.allowUnfree = true;
+        flake.setFlakeRegistry = true;
+        inherit overlays;
+      };
+
       sharedSpecialArgs = {
-        inherit repoLocalPath;
+        inherit repoLocalPath pkgs-unstable;
         repoRoot = self;
       };
 
       sharedModules = [
         ./nixos/modules/base.nix
-        inputs.stylix.nixosModules.stylix
         inputs.home-manager.nixosModules.home-manager
         ({ ... }: {
           home-manager.useGlobalPkgs = true;
           home-manager.useUserPackages = true;
           home-manager.extraSpecialArgs = {
-            inherit pkgs repoLocalPath;
+            inherit pkgs repoLocalPath pkgs-unstable;
             repoRoot = self;
           };
           home-manager.backupFileExtension = "backup";
@@ -110,7 +107,7 @@
       workstationModules = [
         ./nixos/modules/profiles/workstation.nix
         ./nixos/modules/wm/sway.nix
-        ./nixos/modules/theme/stylix.nix
+        ./nixos/modules/theme
       ];
 
       workstationHomeModules = [