Consolidate create and edit pages into single create pages with edit mode support.
Remove obsolete catalog pages, history composables, and fix remaining code review issues.
Include migration to relink orphaned custom fields.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Remove Composant.structure property, getter/setter
- Remove Piece.productIds property, setProductIds()
- Update fixtures to remove dropped columns
- Add migrations to drop both columns
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- fixtures/data.sql: dump des données actuelles de la base
- fixtures/load.sh: script shell de chargement
- makefile: targets fixtures-dump, fixtures-load, fixtures-reset
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
