Migrate to hm managed theme switch

machines/fujin/main/default.nix

@@ -121,8 +121,6 @@
     display-manager.ly.enable = true;
 
     gaming.enable = true;
-
-    dynamic-theme.enable = true;
   };
 
   ###
@@ -133,37 +131,14 @@
     useUserPackages = true;
     backupFileExtension = "backup";
     extraSpecialArgs = { inherit inputs username; };
+    # Stylix is handled entirely at the Home Manager level (see
+    # hm-modules/theme). Load the stylix HM module here so the `stylix`
+    # option exists for fujin's home configuration.
+    sharedModules = [ inputs.stylix.homeModules.stylix ];
 
     users."${username}" = { imports = [ ./home.nix ] ++ extraHomeModules; };
   };
 
-  stylix = {
-    enable = true;
-    # base16Scheme managed by dov.dynamic-theme module
-
-    fonts = {
-      serif = {
-        package = pkgs.dejavu_fonts;
-        name = "DejaVu Serif";
-      };
-
-      sansSerif = {
-        package = pkgs.dejavu_fonts;
-        name = "DejaVu Sans";
-      };
-
-      monospace = {
-        package = pkgs.dejavu_fonts;
-        name = "DejaVu Sans Mono";
-      };
-
-      emoji = {
-        package = pkgs.noto-fonts-color-emoji;
-        name = "Noto Color Emoji";
-      };
-    };
-  };
-
   fonts.packages = with pkgs;
     [
       noto-fonts

machines/fujin/main/home.nix

@@ -163,12 +163,36 @@
     #mpc-cli
   ] ++ [ inputs.thefuck.packages.${pkgs.system}.default ];
 
+  # Stylix theming is driven by `dov.dynamic-theme` (hm-modules/theme),
+  # which sets `enable`, `base16Scheme` and `polarity` + specialisations.
+  # Here we only keep target overrides and the font set (moved from the
+  # old NixOS-level stylix config).
   stylix = {
-    enable = true;
-    autoEnable = true;
     targets = {
       kde.enable = false;
     };
+
+    fonts = {
+      serif = {
+        package = pkgs.dejavu_fonts;
+        name = "DejaVu Serif";
+      };
+
+      sansSerif = {
+        package = pkgs.dejavu_fonts;
+        name = "DejaVu Sans";
+      };
+
+      monospace = {
+        package = pkgs.dejavu_fonts;
+        name = "DejaVu Sans Mono";
+      };
+
+      emoji = {
+        package = pkgs.noto-fonts-color-emoji;
+        name = "Noto Color Emoji";
+      };
+    };
   };
 
   # blutooth applet