feat: add wifi hotspot configuration and refactor gui sections

common.nix

@@ -233,6 +233,27 @@ isoConfig
     networkmanager = {
       enable = true;
       dns = "none"; # We use dnsmasq
+      ensureProfiles = {
+        environmentFiles = [ "/etc/NetworkManager/workshop-wifi.env" ];
+        profiles = {
+          "workshop-hotspot" = {
+            connection = {
+              id = "workshop-hotspot";
+              type = "wifi";
+              autoconnect = true;
+              autoconnect-priority = 10;
+            };
+            wifi = {
+              ssid = "$WORKSHOP_SSID";
+              mode = "infrastructure";
+            };
+            wifi-security = {
+              key-mgmt = "wpa-psk";
+              psk = "$WORKSHOP_PSK";
+            };
+          };
+        };
+      };
     };
     hostName = if isLiveIso then "workshop-live" else "workshop-vm";
     hosts."127.0.0.1" = [
@@ -243,6 +264,15 @@ isoConfig
     firewall.enable = false; # Workshop environment
   };
 
+  # WiFi credentials file
+  environment.etc."NetworkManager/workshop-wifi.env" = {
+    text = ''
+      WORKSHOP_SSID="ziegel"
+      WORKSHOP_PSK="1234567890"
+    '';
+    mode = "0600";
+  };
+
   # DNS Configuration - Wildcard *.workshop.local -> 127.0.0.1
   services.dnsmasq = {
     enable = true;
@@ -1127,7 +1157,7 @@ isoConfig
               echo ""
               echo "🚀 Usage:"
               echo "  deploy <recipe>     - Deploy locally"
-               echo "  browser [firefox|chromium] [recipe] - Open in browser"
+              echo "  browser  [recipe] - Open in browser"
               echo "  📖 Full catalog: https://recipes.coopcloud.tech"
               echo ""
               echo "💡 Tab completion: deploy <TAB> or browser <TAB>"
@@ -1156,7 +1186,7 @@ isoConfig
               echo "  setup              - Setup local proxy (REQUIRED FIRST!)"
               echo "  recipes            - Show all available apps"
               echo "  deploy <recipe>    - Deploy app locally"
-              echo "  browser [firefox|chromium] [recipe] - Launch browser [to app]"
+              echo "  browser [recipe] - Launch browser [to app]"
               echo "  desktop            - Start GUI session"
               echo "  sudo abra          - Run abra CLI directly as root"
               echo ""
@@ -1185,11 +1215,6 @@ isoConfig
     };
   };
 
-  programs.chromium = {
-    enable = true;
-    extensions = [ ];
-  };
-
   # Font packages for GUI rendering (QEMU GTK display)
   fonts.packages = with pkgs; [
     dejavu_fonts # DejaVu fonts including Sans Mono
@@ -1208,8 +1233,6 @@ isoConfig
     displayManager.gdm.enable = true;
   };
 
-
-
   # Exclude unnecessary GNOME packages
   environment.gnome.excludePackages = with pkgs; [
     gnome-photos