linux.preset targeted the 'linux' package, which is not on the ISO, so
linux-cachyos generated its own default+fallback preset and the squashfs
carried an unused fallback initramfs. No package owns the preset file
(mkinitcpio's hook only creates one if missing), so this cannot conflict.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>