made development into an option

added it to configuration

hosts/pc/configuration.nix

@@ -130,6 +130,13 @@
 
       lima.enable = true;
     };
+
+    development = {
+      enable = true;
+      rust.enable = true;
+      typescript.enable = true;
+      go.enable = true;
+    };
   };
 
   programs.nix-ld.libraries = with pkgs; [

modules/development/basic.nix

@@ -0,0 +1,37 @@
+{
+  inputs,
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.workstation.development;
+in
+{
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      gitFull
+      neovim
+      nixfmt
+      nixd
+      kubectl
+      jq
+      tmux
+      vscode
+      devenv
+      xh
+      nodejs
+      obsidian
+    ];
+
+    # Nix LSP
+    nix.nixPath = [ "nixpkgs=${inputs.nixpkgs}" ];
+
+    fonts.packages = with pkgs; [
+      nerd-fonts.fira-code
+      nerd-fonts.jetbrains-mono
+    ];
+
+  };
+}

modules/development/clang.nix

@@ -1,9 +1,18 @@
-{ pkgs, ... }:
-
 {
-  environment.systemPackages = with pkgs; [
+  lib,
-    gcc
+  config,
-    cmake
+  pkgs,
-    clang
+  ...
-  ];
+}:
+let
+  cfg = config.workstation.development.clang;
+in
+{
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      gcc
+      cmake
+      clang
+    ];
+  };
 }

modules/development/claude.nix

@@ -1,7 +1,16 @@
-{ pkgs, ... }:
-
 {
-  environment.systemPackages = with pkgs; [
+  config,
-    claude-code
+  lib,
-  ];
+  pkgs,
+  ...
+}:
+let
+  cfg = config.workstation.development.claude;
+in
+{
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      claude-code
+    ];
+  };
 }

modules/development/default.nix

@@ -1,30 +1,15 @@
-{ inputs, pkgs, ... }:
+{ ... }:
 
 {
   imports = [
+    ./basic.nix
     ./rust.nix
+    ./clang.nix
+    ./claude.nix
+    ./go.nix
+    ./options.nix
+    ./python.nix
+    ./typescript.nix
   ];
 
-  environment.systemPackages = with pkgs; [
-    git
-    neovim
-    nixfmt
-    nixd
-    kubectl
-    jq
-    tmux
-    vscode
-    devenv
-    xh
-    nodejs
-    obsidian
-  ];
-
-  # Nix LSP
-  nix.nixPath = [ "nixpkgs=${inputs.nixpkgs}" ];
-
-  fonts.packages = with pkgs; [
-    nerd-fonts.fira-code
-    nerd-fonts.jetbrains-mono
-  ];
 }

modules/development/go.nix

@@ -1,22 +1,31 @@
-{ pkgs, ... }:
-
 {
-  environment.systemPackages = with pkgs; [
+  config,
-    go
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.workstation.development.go;
+in
+{
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      go
 
-    # Language server
+      # Language server
-    gopls
+      gopls
 
-    # Formatter with automatic import management
+      # Formatter with automatic import management
-    gotools
+      gotools
 
-    # Linting
+      # Linting
-    golangci-lint
+      golangci-lint
 
-    # Debugger
+      # Debugger
-    delve
+      delve
 
-    # Useful extras
+      # Useful extras
-    air # Live reload for web apps
+      air # Live reload for web apps
-  ];
+    ];
+  };
 }

modules/development/options.nix

@@ -0,0 +1,30 @@
+{ lib, ... }:
+{
+  options.workstation.development = {
+    enable = lib.mkEnableOption "the basic development toolkit";
+
+    clang = {
+      enable = lib.mkEnableOption "the clang toolkit";
+    };
+
+    claude = {
+      enable = lib.mkEnableOption "the AI harness";
+    };
+
+    go = {
+      enable = lib.mkEnableOption "the go toolkit";
+    };
+
+    python = {
+      enable = lib.mkEnableOption "the python toolkit";
+    };
+
+    rust = {
+      enable = lib.mkEnableOption "the rust toolkit";
+    };
+
+    typescript = {
+      enable = lib.mkEnableOption "the typescript toolkit";
+    };
+  };
+}

modules/development/python.nix

@@ -1,20 +1,29 @@
-{ pkgs, ... }:
-
 {
-  environment.systemPackages = with pkgs; [
+  config,
-    python313
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.workstation.development.python;
+in
+{
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      python313
 
-    # package tooling
+      # package tooling
-    python313Packages.uv
+      python313Packages.uv
-    python313Packages.virtualenv
+      python313Packages.virtualenv
 
-    # dev tools
+      # dev tools
-    ruff
+      ruff
-    black
+      black
-    mypy
+      mypy
 
-    # optional data science base tools
+      # optional data science base tools
-    python313Packages.numpy
+      python313Packages.numpy
-    python313Packages.pandas
+      python313Packages.pandas
-  ];
+    ];
+  };
 }

modules/development/rust.nix

@@ -1,14 +1,23 @@
-{ pkgs, ... }:
-
 {
-  environment.systemPackages = with pkgs; [
+  config,
-    cargo
+  lib,
-    rustc
+  pkgs,
-    rustfmt
+  ...
-    clippy
+}:
-  ];
+let
+  cfg = config.workstation.development.rust;
+in
+{
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      cargo
+      rustc
+      rustfmt
+      clippy
+    ];
 
-  environment.variables = {
+    environment.variables = {
-    RUST_BACKTRACE = "1";
+      RUST_BACKTRACE = "1";
+    };
   };
 }

modules/development/typescript.nix

@@ -1,17 +1,26 @@
-{ pkgs, ... }:
-
 {
-  environment.systemPackages = with pkgs; [
+  config,
-    bun
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.workstation.development.typescript;
+in
+{
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      bun
+      prettier
+      eslint
+      typescript-language-server
 
-    # TS tooling (optional but common)
+      # TS tooling (optional but common)
-    typescript
+      typescript
-    nodePackages.typescript-language-server
+    ];
-    nodePackages.eslint
-    nodePackages.prettier
-  ];
 
-  environment.variables = {
+    environment.variables = {
-    NODE_OPTIONS = "--max-old-space-size=4096";
+      NODE_OPTIONS = "--max-old-space-size=4096";
+    };
   };
 }