Establish repository foundation and shared work environment

modules/profiles/work.nix

@@ -0,0 +1,22 @@
+{ config, ... }:
+let
+  nixosModules = config.flake.modules.nixos;
+  homeModules = config.flake.modules.homeManager;
+in
+{
+  # Provisional boundary: both workstations select the same company integration.
+  flake.modules.nixos.work = {
+    imports = [
+      nixosModules.openvpn
+      nixosModules.yookr-dev
+    ];
+    home-manager.sharedModules = [ homeModules.work ];
+  };
+
+  flake.modules.homeManager.work = {
+    imports = [
+      homeModules.yookr-tools
+      homeModules.work-git
+    ];
+  };
+}

modules/profiles/workstation-base.nix

@@ -27,9 +27,8 @@ in
       nixosModules.theme
       nixosModules.ai
       nixosModules.yunzi-b75-pro
-      nixosModules.openvpn
       nixosModules.walker
-      nixosModules.yookr-dev
+      nixosModules.work
     ];
 
     programs.nix-ld.enable = true;