clanService framework with test support

modules/clan/flake-module.nix

@@ -0,0 +1,28 @@
+{ inputs, lib, ... }:
+{
+  imports =
+    let
+      # Get all subdirectories in the current directory
+      dirContents = builtins.readDir ./.;
+
+      # Filter to include only directories that have a flake-module.nix file
+      # and exclude special directories like 'result'
+      validModuleDirs = builtins.filter (
+        name:
+        name != "result"
+        && dirContents.${name} == "directory"
+        && builtins.pathExists (./. + "/${name}/flake-module.nix")
+      ) (builtins.attrNames dirContents);
+
+      # Create import paths for each valid directory
+      imports = (map (name: ./. + "/${name}/flake-module.nix") validModuleDirs) ++ [
+        (import (inputs.clan-core + "/lib/flake-parts/clan-nixos-test.nix") {
+          inherit lib;
+          flake-parts-lib = inputs.flake-parts.lib;
+          self = inputs.clan-core;
+          inputs = inputs.clan-core.clan.self.inputs;
+        })
+      ];
+    in
+    imports;
+}