phyllome-alpha is the name of one specific deployed machine; baking it
into every image gives each new install a name that collides with it on
the LAN. Default to a generic 'phyllomeos', renamed per machine after
install.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
- Move recipe-generator/ to cook/ for cleaner structure
- Fix ksflatten-relative path conversion to handle all %include paths
- Fix validation exit code to only fail on actual errors
- All recipes now generate and flatten successfully via make all