cleaned up module and added package with overlay

home-manager-module.nix

@@ -1,3 +1,4 @@
+flake:
 {
   config,
   lib,
@@ -8,11 +9,8 @@ with lib;
 let
   cfg = config.programs.clrsync;
 
-  defaultPackage = 
-    if args ? inputs && args.inputs ? clrsync
-    then args.inputs.clrsync.packages.${pkgs.system}.default or null
-    else null;
-    
+  clrsyncPackage = flake.packages.${pkgs.system}.default;
+
   templateType = types.submodule {
     options = {
       enabled = mkOption {
@@ -35,6 +33,7 @@ let
       };
     };
   };
+
   configFormat = pkgs.formats.toml { };
   configFile = configFormat.generate "config.toml" {
     general = {
@@ -43,43 +42,44 @@ let
       font = cfg.font;
       font_size = cfg.fontSize;
     };
-    templates = mapAttrs (name: template: {
-      enabled = template.enabled;
-      input_path = template.inputPath;
-      output_path = template.outputPath;
-      reload_cmd = template.reloadCmd;
-    }) cfg.templates;
+    templates = mapAttrs (
+      name: template: {
+        enabled = template.enabled;
+        input_path = template.inputPath;
+        output_path = template.outputPath;
+        reload_cmd = template.reloadCmd;
+      }
+    ) cfg.templates;
   };
 in
 {
   options.programs.clrsync = {
     enable = mkEnableOption "clrsync color synchronization";
-    package = mkOption {
-      type = types.nullOr types.package;
-      default = defaultPackage;
-      defaultText = literalExpression "inputs.clrsync.packages.\${pkgs.system}.default";
-      description = "The clrsync package to use.";
-    };
+
     defaultTheme = mkOption {
       type = types.str;
       default = "cursed";
       description = "Default theme to use.";
     };
+
     palettesPath = mkOption {
       type = types.str;
       default = "~/.config/clrsync/palettes";
       description = "Path to color palettes directory.";
     };
+
     font = mkOption {
       type = types.str;
       default = "JetBrainsMono Nerd Font Mono";
       description = "Font family to use.";
     };
+
     fontSize = mkOption {
       type = types.int;
       default = 14;
       description = "Font size.";
     };
+
     templates = mkOption {
       type = types.attrsOf templateType;
       default = { };
@@ -95,64 +95,61 @@ in
         }
       '';
     };
+
     applyTheme = mkOption {
       type = types.bool;
       default = false;
       description = "Whether to apply the default theme on activation.";
     };
+
     systemdTarget = mkOption {
       type = types.str;
       default = "graphical-session.target";
       description = "Systemd target to bind the clrsync service to.";
     };
   };
-  config = mkIf cfg.enable (mkMerge [
-    {
-      assertions = [
-        {
-          assertion = cfg.package != null;
-          message = ''
-          programs.clrsync.package could not be automatically determined.
-          Please add clrsync to your flake inputs and pass it via extraSpecialArgs:
-          
-            home-manager.extraSpecialArgs = { inherit inputs; };
-          
-          Or manually set:
-            programs.clrsync.package = inputs.clrsync.packages.''${pkgs.system}.default;
-        '';
-        }
-      ];
-    }
-    (mkIf (cfg.package != null) {
-      home.packages = [ cfg.package ];
-      xdg.configFile."clrsync/config.toml" = {
-        source = configFile;
-        force = true;
+
+  config = mkIf cfg.enable {
+    home.packages = [ clrsyncPackage ];
+
+      xdg.enable = true;
+
+    home.activation.clrsyncDesktop = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+      if [ -d "$HOME/.nix-profile/share/applications" ]; then
+        ${pkgs.desktop-file-utils}/bin/update-desktop-database "$HOME/.nix-profile/share/applications" || true
+      fi
+    '';
+
+    xdg.configFile."clrsync/config.toml" = {
+      source = configFile;
+      force = true;
+    };
+
+    home.activation.clrsyncConfig = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
+      run --quiet mkdir -p $HOME/.config/clrsync
+      run --quiet cp -f ${configFile} $HOME/.config/clrsync/config.toml
+    '';
+
+    home.activation.clrsyncApply = mkIf cfg.applyTheme (
+      lib.hm.dag.entryAfter [ "clrsyncConfig" ] ''
+        run --quiet ${clrsyncPackage}/bin/clrsync_cli --apply --theme ${cfg.defaultTheme}
+      ''
+    );
+
+    systemd.user.services.clrsync = mkIf cfg.applyTheme {
+      Unit = {
+        Description = "Apply clrsync color palette";
+        After = [ cfg.systemdTarget ];
+        PartOf = [ cfg.systemdTarget ];
       };
-      home.activation.clrsyncConfig = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
-        run --quiet mkdir -p $HOME/.config/clrsync
-        run --quiet cp -f ${configFile} $HOME/.config/clrsync/config.toml
-      '';
-      home.activation.clrsyncApply = mkIf cfg.applyTheme (
-        lib.hm.dag.entryAfter [ "clrsyncConfig" ] ''
-          run --quiet ${cfg.package}/bin/clrsync_cli --apply --theme ${cfg.defaultTheme}
-        ''
-      );
-      systemd.user.services.clrsync = mkIf cfg.applyTheme {
-        Unit = {
-          Description = "Apply clrsync color palette";
-          After = [ cfg.systemdTarget ];
-          PartOf = [ cfg.systemdTarget ];
-        };
-        Service = {
-          Type = "oneshot";
-          ExecStart = "${cfg.package}/bin/clrsync_cli --apply --theme ${cfg.defaultTheme}";
-          RemainAfterExit = true;
-        };
-        Install = {
-          WantedBy = [ cfg.systemdTarget ];
-        };
+      Service = {
+        Type = "oneshot";
+        ExecStart = "${clrsyncPackage}/bin/clrsync_cli --apply --theme ${cfg.defaultTheme}";
+        RemainAfterExit = true;
       };
-    })
-  ]);
-}
+      Install = {
+        WantedBy = [ cfg.systemdTarget ];
+      };
+    };
+  };
+}