init wrapper-module config

modules/module/settings/cats.nix

@@ -0,0 +1,51 @@
+{
+  config,
+  lib,
+  ...
+}:
+{
+  options.cats = lib.mkOption {
+    type = lib.types.attrsOf lib.types.bool;
+    description = ''
+      Category toggles used to enable/disable specs by name.
+
+      Keys map directly to specs (e.g., `python` controls `specs.python`).
+      Set a category to `false` to skip its dependency/plugin specs.
+
+      Available categories:
+      - clickhouse: Clickhouse client and tools
+      - customPlugins: local plugin specs
+      - external: external tools and integrations
+      - general: core Neovim plugins/features
+      - gitPlugins: git-related plugins
+      - julia: Julia tooling and packages
+      - lua: Lua tooling and LSPs
+      - markdown: markdown tooling and plugins
+      - nix: Nix tooling and plugins
+      - optional: optional tools and utilities
+      - python: Python tooling and plugins
+      - r: R tooling and plugins
+      - test: test-only tooling (disabled by default)
+      - treesitterParsers: Treesitter parsers
+      - utils: general utilities
+    '';
+  };
+
+  config.cats = {
+    clickhouse = lib.mkDefault false;
+    customPlugins = lib.mkDefault true;
+    external = lib.mkDefault true;
+    general = lib.mkDefault true;
+    gitPlugins = lib.mkDefault true;
+    julia = lib.mkDefault false;
+    lua = lib.mkDefault false;
+    markdown = lib.mkDefault false;
+    nix = lib.mkDefault false;
+    optional = lib.mkDefault false;
+    python = lib.mkDefault false;
+    r = lib.mkDefault false;
+    test = lib.mkDefault false;
+    treesitterParsers = lib.mkDefault true;
+    utils = lib.mkDefault true;
+  };
+}

modules/module/settings/core.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  ...
+}:
+{
+  # Point to the directory containing init.lua, plugin/, lua/, etc.
+  config.settings.config_directory = ../../..;
+
+  # Default colorscheme and background
+  config.settings.colorscheme = "kanagawa";
+  config.settings.background = "dark";
+
+  # Enable RC wrapping (allows neovim to find the config)
+  config.settings.wrapRc = true;
+
+  # Lua packages available to neovim (for :lua require())
+  config.settings.nvim_lua_env = lp:
+    lib.optionals (config.cats.general or false) [ lp.tiktoken_core ];
+
+  # Binary name for the wrapper
+  config.binName = "n";
+
+  # Prevent neovim from loading system-wide config
+  config.settings.block_normal_config = true;
+
+  # Don't symlink the config (we wrap it instead)
+  config.settings.dont_link = false;
+
+  # Create additional aliases for the binary
+  config.settings.aliases = [ "vim" ];
+
+  # Enable wrapper handling of spec runtimeDeps (template pattern).
+  config.settings.autowrapRuntimeDeps = true;
+}

modules/module/settings/env.nix

@@ -0,0 +1,27 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+{
+  # Environment variables set for the wrapper.
+  # These are available when running neovim.
+  config.env = lib.mkMerge [
+    (lib.mkIf (config.cats.r or false) {
+      R_LIBS_USER = "./.Rlibs";
+    })
+    (lib.mkIf (config.cats.python or false) {
+      UV_PYTHON_DOWNLOADS = "never";
+      UV_PYTHON = pkgs.python.interpreter;
+    })
+    (lib.mkIf (config.cats.test or false) {
+      TESTVAR = "It worked!";
+    })
+  ];
+
+  # Environment variables with defaults (can be overridden by user)
+  config.envDefault = lib.mkIf (config.cats.test or false) {
+    TESTVAR2 = "It worked again!";
+  };
+}

modules/module/settings/hosts.nix

@@ -0,0 +1,57 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+{
+  config.hosts = lib.mkMerge [
+    {
+      node.nvim-host.enable = true;
+      perl.nvim-host.enable = true;
+      ruby.nvim-host.enable = true;
+
+      g = {
+        nvim-host.enable = true;
+        nvim-host.package = "${pkgs.neovide}/bin/neovide";
+        nvim-host.argv0 = "neovide";
+        nvim-host.flags."--neovim-bin" = "${placeholder "out"}/bin/${config.binName}";
+      };
+
+      m = {
+        nvim-host.enable = false;
+        nvim-host.package = "${pkgs.uv}/bin/uv";
+        nvim-host.argv0 = "uv";
+        nvim-host.addFlag = [
+          "run"
+          "marimo"
+          "edit"
+        ];
+      };
+    }
+    (lib.mkIf (config.cats.julia or true) {
+      jl = {
+        nvim-host.enable = true;
+        nvim-host.package = "${pkgs.julia-bin}/bin/julia";
+        nvim-host.argv0 = "julia";
+        nvim-host.addFlag = [
+          "--project=@."
+        ];
+      };
+    })
+    (lib.mkIf (config.cats.python or true) {
+      python3.nvim-host.enable = true;
+    })
+    (lib.mkIf (config.cats.r or true) {
+      r = {
+        nvim-host.enable = true;
+        nvim-host.package = "${pkgs.rWrapper}/bin/R";
+        nvim-host.argv0 = "R";
+        nvim-host.addFlag = [
+          "--no-save"
+          "--no-restore"
+        ];
+      };
+    })
+  ];
+}

modules/module/settings/lang-packages.nix

@@ -0,0 +1,39 @@
+{
+  config,
+  lib,
+  ...
+}:
+{
+  options.settings.lang_packages = lib.mkOption {
+    type = lib.types.submodule {
+      options = {
+        python = lib.mkOption {
+          type = lib.types.listOf lib.types.package;
+          default = [ ];
+          description = "Additional Python-related packages appended to the python spec (overlay defaults remain).";
+        };
+        r = lib.mkOption {
+          type = lib.types.listOf lib.types.package;
+          default = [ ];
+          description = "Additional R-related packages appended to the r spec (overlay defaults remain).";
+        };
+        julia = lib.mkOption {
+          type = lib.types.listOf lib.types.str;
+          default = [ ];
+          description = "Additional Julia packages (names) passed to julia-bin.withPackages.";
+        };
+      };
+    };
+    default = { };
+    description = ''
+      Language-specific package overrides appended to each language spec's extraPackages.
+      Intended for flake.nix overrides via wrapper.config.wrap.
+    '';
+  };
+
+  config.settings.lang_packages = {
+    python = lib.mkDefault [ ];
+    r = lib.mkDefault [ ];
+    julia = lib.mkDefault [ ];
+  };
+}

modules/module/settings/runtime-path.nix

@@ -0,0 +1,35 @@
+{
+  config,
+  lib,
+  ...
+}:
+let
+  collect_runtime_packages = runtime_deps_type:
+    config.specCollect
+      (acc: spec:
+        let
+          is_enabled = if spec ? enable then spec.enable else true;
+          has_runtime_deps = (spec.runtimeDeps or false) == runtime_deps_type;
+          packages = spec.extraPackages or [ ];
+        in
+        acc ++ lib.optionals (is_enabled && has_runtime_deps) packages
+      )
+      [ ];
+
+  prefix_packages = collect_runtime_packages "prefix";
+  suffix_packages = collect_runtime_packages "suffix";
+
+  to_path_specs = packages: [
+    {
+      data = [
+        "PATH"
+        ":"
+        "${lib.makeBinPath packages}"
+      ];
+    }
+  ];
+in
+{
+  config.prefixVar = lib.optionals (prefix_packages != [ ]) (to_path_specs prefix_packages);
+  config.suffixVar = lib.optionals (suffix_packages != [ ]) (to_path_specs suffix_packages);
+}