add aspects/cli/ home-manager modules

CLI tool configurations: btop, comma, direnv, helix, hm-cli, starship, tmux

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

aspects/cli/helix.nix

@@ -0,0 +1,50 @@
+{ ... }:
+{
+  flake.modules.homeManager.cli-helix = { config, lib, pkgs, ... }: {
+    home.sessionVariables = {
+      EDITOR = "hx";
+    };
+
+    programs.helix = {
+      enable = true;
+      settings = {
+        editor = {
+          file-picker.hidden = false;
+          idle-timeout = 0;
+          line-number = "relative";
+          cursor-shape = {
+            normal = "underline";
+            insert = "bar";
+            select = "underline";
+          };
+          soft-wrap.enable = true;
+          auto-format = true;
+          indent-guides.render = true;
+        };
+        keys.normal = {
+          space = {
+            o = "file_picker_in_current_buffer_directory";
+            esc = [
+              "collapse_selection"
+              "keep_primary_selection"
+            ];
+          };
+        };
+      };
+      languages = {
+        language = [
+          {
+            name = "nix";
+            auto-format = true;
+            formatter.command = "nixfmt";
+          }
+          {
+            name = "typst";
+            auto-format = true;
+            formatter.command = "typstyle -c 1000 -i";
+          }
+        ];
+      };
+    };
+  };
+}