fix(qa): comprehensive out-of-the-box audit and repair

- Fix critical bash dynamic scoping bug in install.sh (Impermanence/Form Factor).
- Polished Live ISO with auto-login and passwordless sudo.
- Repurposed nomarchy-toggle-suspend to directly execute systemctl suspend.
- Updated nomarchy-launch-wifi to use nmtui in alacritty.
- Optimized nomarchy-welcome to avoid redundant rebuilds via --no-update flag.
- Enabled nomarchy-welcome in Hyprland autostart.
- Wrapped Live ISO-modifying steps in welcome wizard to prevent failures.
- Removed obsolete hardware auto-detection from nomarchy-on-boot.
- Hardened script doc generator against false-positive wildcard tokens.
- Regenerated docs/SCRIPTS.md and updated docs/ROADMAP.md.

hosts/nomarchy-live.nix

@@ -64,6 +64,13 @@
 
   environment.etc."nomarchy".source = inputs.self;
 
+  # Auto-login to the graphical session
+  services.displayManager.autoLogin.enable = true;
+  services.displayManager.autoLogin.user = "nixos";
+
+  # Allow passwordless sudo for the live user
+  security.sudo.wheelNeedsPassword = false;
+
   # Override the upstream installer helpLine (says "NixOS", points nowhere
   # useful for us). Shown on every TTY before login and again as the MOTD.
   services.getty.helpLine = lib.mkForce ''