feat: Configure workshop VM with bash and Abra utilities

common.nix

@@ -25,7 +25,7 @@ isoConfig // {
   services.getty.autologinUser = "workshop";
   users.users.workshop = {
     isNormalUser = true;
-    shell = pkgs.zsh;
+    shell = pkgs.bash;  # Simple bash instead of zsh
     extraGroups = [ "networkmanager" "wheel" "docker" ];
     password = "";
   };
@@ -84,9 +84,10 @@ isoConfig // {
     };
   };
 
-  programs.zsh = {
-    enable = true;
+  # Simple bash configuration with custom functions
+  programs.bash = {
     interactiveShellInit = ''
+      # Workshop welcome and command definitions
       echo "CODE CRISPIES Workshop Environment"
       echo "Mode: Local Development + Cloud Access"
       echo ""
@@ -226,8 +227,6 @@ isoConfig // {
         echo "  2. Try local: recipes → deploy wordpress → browser"
         echo "  3. Try cloud: connect hopper → same abra commands"
       }
-      
-            export -f setup-traefik deploy connect recipes browser desktop help
     '';
   };
 
@@ -235,7 +234,6 @@ isoConfig // {
     enable = true;
     desktopManager.xfce.enable = true;
     displayManager.lightdm.enable = true;
-    # Don't set autoLogin here - it conflicts with the VM config
   };
 
   # Don't auto-start GUI, let user choose