Extract 3 entity composables (useEntityCustomFields, useEntityDocuments,
useEntityProductDisplay) and entityCustomFieldLogic utility shared across
ComponentItem (1336→585 LOC) and PieceItem (1588→740 LOC).
Improve type safety in edit/create pages with explicit casts.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- introduce product catalogue pages, management view entries and shared product composables\n- wire product selection into component/piece flows and machine skeleton requirements\n- display linked product metadata and documents across machine, component and piece views\n- generalize model type tooling to handle PRODUCT category
- ComponentHierarchy.vue : Affichage hiérarchique des composants
- ComponentItem.vue : Affichage d'un composant individuel
- CustomFieldsDisplay.vue : Affichage des champs personnalisés
- PieceItem.vue : Affichage des pièces de machines
- Support de l'affichage en lecture seule et édition
- Gestion des relations parent-enfant entre composants
