The nomarchy-live ISO imported ./core and hosts/nomarchy-live.nix but not
core/system/vm-guest.nix, which is the only place spice-vdagentd/qemuGuest
were enabled. Without those agents a VM's virtio-gpu only advertises its
1024x768 fallback mode, so Hyprland's `monitor = , highres, auto` rule picks
that as the highest mode and the live session boots tiny.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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