- Split generate_recipe.py into cli.py, recipe_generator.py, validators.py, manifest.py
- Removed override logic - modifiers now add fragments rather than replace
- Added filename deduplication to prevent overwriting recipes
- Updated CI workflows and tests to use new module structure
- Made pykickstart a hard dependency
- Removed ingredients/ directory support (only fragments/*.ks now used)
- New layout: 5 modules (~990 lines) vs single 769-line file