refactor(machines) : remove TypeMachine skeleton system, simplify machine creation

- Remove TypeEdit*, TypeInfoDisplay, MachineSkeletonSummary, MachineCreatePreview components
- Remove machine-skeleton pages and type pages
- Remove useMachineTypesApi, useMachineSkeletonEditor, useMachineCreateSelections composables
- Add AddEntityToMachineModal for direct entity linking
- Update machine detail/create pages for direct custom fields
- Fix SearchSelect, category display, and ipartial search filters

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/components/ComponentItem.vue

@@ -26,12 +26,6 @@
             {{ component.name }}
           </h3>
           <div class="flex flex-wrap gap-2 mt-2">
-            <span
-              v-if="component.skeletonOnly"
-              class="badge badge-warning badge-sm"
-            >
-              Défini dans le catalogue
-            </span>
             <span v-if="component.reference" class="badge badge-outline badge-sm">{{ component.reference }}</span>
             <template v-if="componentConstructeursDisplay.length">
               <span
@@ -49,12 +43,6 @@
             >
               Produit&nbsp;: {{ displayProductName }}
             </span>
-            <span
-              v-if="component.typeMachineComponentRequirement"
-              class="badge badge-outline badge-sm"
-            >
-              Groupe : {{ component.typeMachineComponentRequirement.label || component.typeMachineComponentRequirement.typeComposant?.name || 'Non défini' }}
-            </span>
           </div>
         </div>
       </div>
@@ -401,8 +389,7 @@
             v-for="piece in component.pieces"
             :key="piece.id"
             :piece="piece"
-            :is-edit-mode="isEditMode && !piece.skeletonOnly"
-
+            :is-edit-mode="isEditMode"
             @update="updatePiece"
             @edit="editPiece"
             @custom-field-update="updatePieceCustomField"
@@ -420,7 +407,7 @@
             v-for="subComponent in childComponents"
             :key="subComponent.id"
             :component="subComponent"
-            :is-edit-mode="isEditMode && !subComponent.skeletonOnly"
+            :is-edit-mode="isEditMode"
             :collapse-all="collapseAll"
             :toggle-token="toggleToken"
             @update="$emit('update', $event)"