[development] Use claude unstable version

Disable networking.wireless to prevent conflict with NetworkManager.
The installation-cd-minimal base enables both, causing a build failure.

🤖 Generated with [Claude Code](https://claude.ai/code)

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

home/roles/development/default.nix

@@ -12,7 +12,7 @@ in
 
   config = mkIf cfg.enable {
     home.packages = [
-      pkgs.claude-code
+      pkgs.unstable.claude-code
       pkgs.codex
 
       # Custom packages

machines/live-usb/configuration.nix

@@ -65,6 +65,8 @@
 
   # Enable NetworkManager for easy wifi setup
   networking.networkmanager.enable = true;
+  # Disable wireless networking (conflicts with NetworkManager)
+  networking.wireless.enable = false;
   
   # Enable SSH daemon for remote access
   services.openssh = {