- Load composants/pieces/products with itemsPerPage: 200 instead of 30
(root cause: only first 30 items were available in creation dropdowns)
- Rollback machine if skeleton PATCH fails (delete orphaned machine)
- Initialize custom fields after successful machine creation
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Extract useMachineCreatePage composable and 5 preview/selector components
from machines/new.vue, reducing it from 1231 to 196 LOC.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>