packages: convert to self-contained flake-parts modules

Each package file now exports its own perSystem.packages.<name> definition
instead of being called from a centralized packages.nix file.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/base16-schemes.nix

@@ -1,13 +1,14 @@
+{ ... }:
+
 {
-  lib,
-  stdenv,
-  fetchFromGitHub,
-}:
-stdenv.mkDerivation (finalAttrs: {
+  perSystem =
+    { pkgs, ... }:
+    {
+      packages.base16-schemes = pkgs.stdenv.mkDerivation (finalAttrs: {
         pname = "base16-schemes";
         version = "0-unstable-2025-06-04";
 
-  src = fetchFromGitHub {
+        src = pkgs.fetchFromGitHub {
           owner = "tinted-theming";
           repo = "schemes";
           rev = "317a5e10c35825a6c905d912e480dfe8e71c7559";
@@ -26,7 +27,9 @@ stdenv.mkDerivation (finalAttrs: {
         meta = {
           description = "All the color schemes for use in base16 packages";
           homepage = "https://github.com/tinted-theming/schemes";
-    maintainers = [ lib.maintainers.DamienCassou ];
-    license = lib.licenses.mit;
+          maintainers = [ pkgs.lib.maintainers.DamienCassou ];
+          license = pkgs.lib.licenses.mit;
         };
-})
+      });
+    };
+}

packages/claude-desktop.nix

@@ -1,31 +1,25 @@
+{ inputs, ... }:
+
 {
-  lib,
-  stdenv,
-  fetchurl,
-  makeWrapper,
-  makeDesktopItem,
-  copyDesktopItems,
-  p7zip,
-  unzip,
-  electron,
-  nodejs,
-  asar,
-  graphicsmagick,
-}:
-
+  perSystem =
+    { system, ... }:
     let
-  pname = "claude-desktop";
-  version = "1.0.1768"; # Updated based on extracted nupkg
+      pkgs = import inputs.nixpkgs {
+        inherit system;
+        config.allowUnfree = true;
+      };
 
-  srcs.x86_64-linux = fetchurl {
+      pname = "claude-desktop";
+      version = "1.0.1768";
+
+      srcs.x86_64-linux = pkgs.fetchurl {
         url = "https://downloads.claude.ai/releases/win32/x64/1.0.1768/Claude-67d01376d0e9d08b328455f6db9e63b0d603506a.exe";
         hash = "sha256-x76Qav38ya3ObpWIq3dDowo79LgvVquMfaZeH8M1LUk=;";
       };
 
       src =
-    srcs.${stdenv.hostPlatform.system} or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
+        srcs.${pkgs.stdenv.hostPlatform.system} or (throw "Unsupported system: ${pkgs.stdenv.hostPlatform.system}");
 
-  # Stub implementation for claude-native module
       claudeNativeStub = ''
         // Stub implementation of claude-native using KeyboardKey enum values
         const KeyboardKey = {
@@ -50,12 +44,12 @@ let
           KeyboardKey
         };
       '';
-
     in
-stdenv.mkDerivation rec {
+    {
+      packages.claude-desktop = pkgs.stdenv.mkDerivation rec {
         inherit pname version src;
 
-  nativeBuildInputs = [
+        nativeBuildInputs = with pkgs; [
           makeWrapper
           copyDesktopItems
           p7zip
@@ -64,12 +58,10 @@ stdenv.mkDerivation rec {
           graphicsmagick
         ];
 
-  buildInputs = [
-    electron
-  ];
+        buildInputs = [ pkgs.electron ];
 
         desktopItems = [
-    (makeDesktopItem {
+          (pkgs.makeDesktopItem {
             name = "claude-desktop";
             desktopName = "Claude";
             comment = "AI assistant from Anthropic";
@@ -101,7 +93,7 @@ stdenv.mkDerivation rec {
             # Extract app.asar to modify it
             if [ -f ./nupkg/lib/net45/resources/app.asar ]; then
               echo "Extracting app.asar..."
-        ${asar}/bin/asar extract ./nupkg/lib/net45/resources/app.asar ./app
+              ${pkgs.asar}/bin/asar extract ./nupkg/lib/net45/resources/app.asar ./app
 
               # Also copy the unpacked resources
               if [ -d ./nupkg/lib/net45/resources/app.asar.unpacked ]; then
@@ -158,7 +150,7 @@ stdenv.mkDerivation rec {
 
           # Repack the modified app as app.asar
           cd ./app
-    ${asar}/bin/asar pack . ../app.asar
+          ${pkgs.asar}/bin/asar pack . ../app.asar
           cd ..
 
           # Copy resources
@@ -179,7 +171,7 @@ stdenv.mkDerivation rec {
           fi
 
           # Create wrapper script
-    makeWrapper ${electron}/bin/electron $out/bin/claude-desktop \
+          makeWrapper ${pkgs.electron}/bin/electron $out/bin/claude-desktop \
             --add-flags "$out/lib/claude-desktop/resources/app.asar" \
             --set DISABLE_AUTOUPDATER 1 \
             --set NODE_ENV production
@@ -209,13 +201,15 @@ stdenv.mkDerivation rec {
           runHook postInstall
         '';
 
-  meta = with lib; {
+        meta = with pkgs.lib; {
           description = "Claude Desktop - AI assistant from Anthropic";
           homepage = "https://claude.ai";
           license = licenses.unfree;
-    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
-    maintainers = with maintainers; [ ];
+          sourceProvenance = with sourceTypes; [ binaryNativeCode ];
+          maintainers = [ ];
           platforms = [ "x86_64-linux" ];
           mainProgram = "claude-desktop";
         };
+      };
+    };
 }

packages/fastfetch.nix

@@ -1,8 +1,8 @@
-{
-  lib,
-  pkgs ? import <nixpkgs> { },
-}:
+{ ... }:
 
+{
+  perSystem =
+    { pkgs, lib, ... }:
     let
       fastfetch-logo = pkgs.fetchurl {
         url = "https://discourse.nixos.org/uploads/default/original/3X/3/6/36954e6d6aa32c8b00f50ca43f142d898c1ff535.png";
@@ -78,4 +78,7 @@ let
         }
       );
     in
-pkgs.writeShellScriptBin "fastfetch" ''exec ${lib.getExe pkgs.fastfetch} --config ${fastfetch-config} --logo-type kitty --logo ${fastfetch-logo} --logo-padding-right 1 --logo-width 36 "$@" ''
+    {
+      packages.fastfetch = pkgs.writeShellScriptBin "fastfetch" ''exec ${lib.getExe pkgs.fastfetch} --config ${fastfetch-config} --logo-type kitty --logo ${fastfetch-logo} --logo-padding-right 1 --logo-width 36 "$@" '';
+    };
+}

packages/hm-cli.nix

@@ -1,8 +1,10 @@
-{
-  pkgs ? import <nixpkgs> { },
-}:
+{ ... }:
 
-pkgs.writeShellScriptBin "hm" ''
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      packages.hm-cli = pkgs.writeShellScriptBin "hm" ''
         set -e
 
         HM="${pkgs.lib.getExe pkgs.home-manager}"
@@ -102,4 +104,6 @@ pkgs.writeShellScriptBin "hm" ''
             exit 1
             ;;
         esac
-''
+      '';
+    };
+}

packages/kwrite.nix

@@ -1,6 +1,10 @@
-{ pkgs }:
+{ ... }:
 
-pkgs.symlinkJoin {
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      packages.kwrite = pkgs.symlinkJoin {
         name = "kwrite";
         paths = [ pkgs.kdePackages.kate ];
         postBuild = ''
@@ -12,4 +16,6 @@ pkgs.symlinkJoin {
                  $out/share/icons/hicolor/scalable/apps/kate.svg \
                  $out/share/appdata/org.kde.kate.appdata.xml
         '';
+      };
+    };
 }

packages/toggleaudiosink.nix

@@ -1,8 +1,10 @@
-{
-  pkgs ? import <nixpkgs> { },
-}:
+{ ... }:
 
-pkgs.writeShellScriptBin "toggleaudiosink" ''
+{
+  perSystem =
+    { pkgs, ... }:
+    {
+      packages.toggleaudiosink = pkgs.writeShellScriptBin "toggleaudiosink" ''
         #!/usr/bin/env bash
 
         sound_server="pipewire"
@@ -45,4 +47,6 @@ pkgs.writeShellScriptBin "toggleaudiosink" ''
         for app in $(${pkgs.pulseaudio}/bin/pactl list sink-inputs | sed -n -e 's/.*Sink Input #\([[:digit:]]\)/\1/p'); do
           ${pkgs.pulseaudio}/bin/pactl "move-sink-input $app $next_sink"
         done
-''
+      '';
+    };
+}