chore: update claude code pkgs to use official one

flake.nix

@@ -35,12 +35,7 @@
 
       forEachSystem = f: genAttrs systems (system: f system);
 
-      overlaysList = [
-        ghostty.overlays.default
-        (final: prev: {
-          claude-code-v2 = prev.callPackage ./pkgs/claude-code { };
-        })
-      ];
+      overlaysList = [ ghostty.overlays.default ];
 
       zigOverlay = if builtins.hasAttr "zig-overlay" inputs then
         inputs."zig-overlay"

modules/home/rsydn/devtools/ai-tools.nix

@@ -12,7 +12,7 @@ let
 
   opencodeDefault = getPkgsPackage "opencode";
 
-  claudeDefault = getPkgsPackage "claude-code-v2";
+  claudeDefault = getPkgsPackage "claude-code";
 
   toolOption = { name, description, defaultPackage, extraOptions ? { }
     , extraDefaults ? { } }:

pkgs/claude-code/default.nix

@@ -1,36 +0,0 @@
-{ lib, stdenv, fetchurl, nodejs }:
-
-stdenv.mkDerivation rec {
-  pname = "claude-code";
-  version = "2.0.0";
-
-  src = fetchurl {
-    url =
-      "https://registry.npmjs.org/@anthropic-ai/claude-code/-/claude-code-${version}.tgz";
-    hash = "sha256-bDnRkUGd3XMFCgVr8m3BZacT+C0/Scbyu3j6kpQWUOM=";
-  };
-
-  nativeBuildInputs = [ nodejs ];
-
-  unpackPhase = ''
-    tar -xzf $src
-  '';
-
-  installPhase = ''
-    mkdir -p $out/lib/node_modules/@anthropic-ai/claude-code
-    cp -r package/* $out/lib/node_modules/@anthropic-ai/claude-code/
-
-    mkdir -p $out/bin
-    ln -s $out/lib/node_modules/@anthropic-ai/claude-code/cli.js $out/bin/claude-code
-    chmod +x $out/bin/claude-code
-  '';
-
-  meta = with lib; {
-    description = "Anthropic Claude Code CLI v2.0.0";
-    homepage = "https://claude.ai/code";
-    license = licenses.unfree;
-    maintainers = [ ];
-    platforms = platforms.all;
-    mainProgram = "claude-code";
-  };
-}