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/pages/component/[id]/edit.vue

@@ -887,7 +887,6 @@ const submitEdition = async () => {
         updatedComponent.id,
         [
           updatedComponent?.typeComposant?.customFields,
-          updatedComponent?.typeMachineComponentRequirement?.typeComposant?.customFields,
         ],
         { customFieldInputs, upsertCustomFieldValue, updateCustomFieldValue, toast },
       )

app/pages/component/create.vue

@@ -1219,7 +1219,6 @@ const saveCustomFieldValues = async (createdComponent: any) => {
   }
 
   registerDefinitions(createdComponent?.typeComposant?.customFields)
-  registerDefinitions(createdComponent?.typeMachineComponentRequirement?.typeComposant?.customFields)
 
   const resolveDefinitionId = (field: CustomFieldInput) => {
     if (field.customFieldId) {