diff --git a/app/components/ComponentItem.vue b/app/components/ComponentItem.vue
index b04df6d..fe98767 100644
--- a/app/components/ComponentItem.vue
+++ b/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)"
diff --git a/app/components/PieceItem.vue b/app/components/PieceItem.vue
index 7054636..7dda5b6 100644
--- a/app/components/PieceItem.vue
+++ b/app/components/PieceItem.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="border border-gray-200 rounded-lg p-4">
+  <div class="space-y-4">
     <DocumentPreviewModal
       :document="previewDocument"
       :visible="previewVisible"
@@ -7,58 +7,53 @@
       @close="closePreview"
     />
 
-    <div class="flex items-center justify-between mb-3">
-      <div class="flex items-center gap-2">
-        <IconLucidePackage class="w-4 h-4 text-purple-500" aria-hidden="true" />
-        <input
-          v-if="isEditMode"
-          :id="`piece-name-${piece.id}`"
-          v-model="pieceData.name"
-          type="text"
-          class="font-semibold text-lg input input-sm input-bordered"
-          @blur="updatePiece"
-        />
-        <div
-          v-else
-          class="font-semibold text-lg input input-sm input-bordered bg-base-200"
+    <!-- Piece Header (collapsible, same pattern as ComponentItem) -->
+    <div class="flex items-start justify-between p-4 bg-base-200 rounded-lg">
+      <div class="flex items-start gap-3 w-full">
+        <button
+          type="button"
+          class="btn btn-ghost btn-sm btn-circle shrink-0 transition-transform"
+          :class="{ 'rotate-90': !isCollapsed }"
+          :aria-expanded="!isCollapsed"
+          :title="isCollapsed ? 'Déplier les détails de la pièce' : 'Replier les détails de la pièce'"
+          @click="toggleCollapse"
         >
-          {{ pieceData.name }}
+          <IconLucideChevronRight class="w-5 h-5 transition-transform" aria-hidden="true" />
+          <span class="sr-only">{{ isCollapsed ? 'Déplier' : 'Replier' }} la pièce</span>
+        </button>
+        <div class="flex-1">
+          <h3 class="text-lg font-semibold">
+            {{ pieceData.name }}
+          </h3>
+          <div class="flex flex-wrap gap-2 mt-2">
+            <span v-if="piece.parentComponentName" class="badge badge-ghost badge-sm">
+              Rattachée à {{ piece.parentComponentName }}
+            </span>
+            <span v-if="pieceData.reference" class="badge badge-outline badge-sm">{{ pieceData.reference }}</span>
+            <template v-if="pieceConstructeursDisplay.length">
+              <span
+                v-for="constructeur in pieceConstructeursDisplay"
+                :key="constructeur.id"
+                class="badge badge-outline badge-sm"
+              >
+                {{ constructeur.name }}
+              </span>
+            </template>
+            <span v-if="pieceData.prix" class="badge badge-primary badge-sm">{{ pieceData.prix }}€</span>
+            <span
+              v-if="displayProductName"
+              class="badge badge-info badge-sm"
+            >
+              Produit&nbsp;: {{ displayProductName }}
+            </span>
+          </div>
         </div>
       </div>
-      <div class="flex flex-wrap items-center gap-2 text-xs">
-        <span
-          v-if="piece.skeletonOnly"
-          class="badge badge-warning badge-sm"
-        >
-          Défini dans le catalogue
-        </span>
-        <span
-          v-if="piece.typeMachinePieceRequirement"
-          class="badge badge-outline badge-sm"
-        >
-          Groupe :
-          {{
-            piece.typeMachinePieceRequirement.label ||
-            piece.typeMachinePieceRequirement.typePiece?.name ||
-            "Non défini"
-          }}
-        </span>
-        <span
-          v-if="piece.parentComponentName"
-          class="badge badge-ghost badge-sm"
-        >
-          Rattachée à {{ piece.parentComponentName }}
-        </span>
-        <span
-          v-if="displayProductName"
-          class="badge badge-info badge-sm"
-        >
-          Produit&nbsp;: {{ displayProductName }}
-        </span>
-      </div>
     </div>
 
-    <div class="space-y-2 text-sm">
+    <div v-show="!isCollapsed" class="space-y-4">
+      <div class="p-4 bg-base-100 border border-gray-200 rounded-lg">
+        <div class="space-y-2 text-sm">
       <div>
         <span class="font-medium">Référence:</span>
         <input
@@ -236,6 +231,7 @@
         </div>
       </div>
     </div>
+      </div>
 
     <!-- Champs personnalisés de la pièce -->
     <div
@@ -480,16 +476,17 @@
         Aucun document lié à cette pièce.
       </p>
     </div>
+    </div>
   </div>
 </template>
 
 <script setup>
-import { reactive, onMounted, watch, computed } from 'vue'
+import { reactive, ref, onMounted, watch, computed } from 'vue'
 import ConstructeurSelect from './ConstructeurSelect.vue'
 import ProductSelect from '~/components/ProductSelect.vue'
 import DocumentUpload from '~/components/DocumentUpload.vue'
 import DocumentPreviewModal from '~/components/DocumentPreviewModal.vue'
-import IconLucidePackage from '~icons/lucide/package'
+import IconLucideChevronRight from '~icons/lucide/chevron-right'
 import { canPreviewDocument, isImageDocument } from '~/utils/documentPreview'
 import { useConstructeurs } from '~/composables/useConstructeurs'
 import { useProducts } from '~/composables/useProducts'
@@ -523,6 +520,8 @@ import { useEntityCustomFields } from '~/composables/useEntityCustomFields'
 const props = defineProps({
   piece: { type: Object, required: true },
   isEditMode: { type: Boolean, default: false },
+  collapseAll: { type: Boolean, default: true },
+  toggleToken: { type: Number, default: 0 },
 })
 
 const emit = defineEmits(['update', 'edit', 'custom-field-update'])
@@ -576,6 +575,23 @@ const {
   updateCustomField,
 } = useEntityCustomFields({ entity: () => props.piece, entityType: 'piece' })
 
+// --- Collapse state ---
+const isCollapsed = ref(true)
+
+watch(
+  () => props.toggleToken,
+  () => {
+    isCollapsed.value = props.collapseAll
+    if (!isCollapsed.value) refreshDocuments()
+  },
+  { immediate: true },
+)
+
+const toggleCollapse = () => {
+  isCollapsed.value = !isCollapsed.value
+  if (!isCollapsed.value) refreshDocuments()
+}
+
 // --- Constructeurs ---
 const { constructeurs } = useConstructeurs()
 
diff --git a/app/components/TypeEditActionsBar.vue b/app/components/TypeEditActionsBar.vue
deleted file mode 100644
index 9bd1fab..0000000
--- a/app/components/TypeEditActionsBar.vue
+++ /dev/null
@@ -1,34 +0,0 @@
-<template>
-  <div class="card bg-base-100 shadow-lg">
-    <div class="card-body">
-      <div class="card-actions justify-end">
-        <button type="button" class="btn btn-outline" @click="$emit('reset')">
-          Réinitialiser
-        </button>
-        <button type="submit" class="btn btn-primary" :disabled="saving">
-          <IconLucideRefreshCw
-            v-if="saving"
-            class="w-5 h-5 mr-2 animate-spin"
-            aria-hidden="true"
-          />
-          <IconLucideCheck v-else class="w-5 h-5 mr-2" aria-hidden="true" />
-          {{ saving ? 'Sauvegarde...' : 'Sauvegarder les modifications' }}
-        </button>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup>
-import IconLucideRefreshCw from '~icons/lucide/refresh-cw'
-import IconLucideCheck from '~icons/lucide/check'
-
-defineProps({
-  saving: {
-    type: Boolean,
-    default: false
-  }
-})
-
-defineEmits(['reset'])
-</script>
diff --git a/app/components/TypeEditBaseInfoSection.vue b/app/components/TypeEditBaseInfoSection.vue
deleted file mode 100644
index 1ba1b44..0000000
--- a/app/components/TypeEditBaseInfoSection.vue
+++ /dev/null
@@ -1,105 +0,0 @@
-<template>
-  <div class="card bg-base-100 shadow-lg">
-    <div class="card-body">
-      <h3 class="card-title text-lg mb-4">
-        Informations de base
-      </h3>
-
-      <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
-        <div class="form-control">
-          <label class="label">
-            <span class="label-text">Nom du type</span>
-            <span class="label-text-alt text-error">*</span>
-          </label>
-          <input
-            v-model="nameModel"
-            type="text"
-            placeholder="Nom du type de machine"
-            class="input input-bordered"
-            required
-          >
-        </div>
-
-        <div class="form-control">
-          <label class="label">
-            <span class="label-text">Catégorie</span>
-          </label>
-          <input
-            v-model="categoryModel"
-            type="text"
-            placeholder="Catégorie du type"
-            class="input input-bordered"
-          >
-        </div>
-
-        <div class="form-control md:col-span-2">
-          <label class="label">
-            <span class="label-text">Description</span>
-          </label>
-          <textarea
-            v-model="descriptionModel"
-            placeholder="Description du type de machine"
-            class="textarea textarea-bordered h-24"
-          />
-        </div>
-
-        <div class="form-control">
-          <label class="label">
-            <span class="label-text">Fréquence de maintenance</span>
-          </label>
-          <input
-            v-model="maintenanceModel"
-            type="text"
-            placeholder="ex: Mensuelle, Trimestrielle"
-            class="input input-bordered"
-          >
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup>
-import { computed } from 'vue'
-
-const props = defineProps({
-  name: {
-    type: String,
-    default: ''
-  },
-  category: {
-    type: String,
-    default: ''
-  },
-  description: {
-    type: String,
-    default: ''
-  },
-  maintenanceFrequency: {
-    type: String,
-    default: ''
-  }
-})
-
-const emit = defineEmits(['update:name', 'update:category', 'update:description', 'update:maintenanceFrequency'])
-
-const nameModel = computed({
-  get: () => props.name,
-  set: value => emit('update:name', value)
-})
-
-const categoryModel = computed({
-  get: () => props.category,
-  set: value => emit('update:category', value)
-})
-
-const descriptionModel = computed({
-  get: () => props.description,
-  set: value => emit('update:description', value)
-})
-
-const maintenanceModel = computed({
-  get: () => props.maintenanceFrequency,
-  set: value => emit('update:maintenanceFrequency', value)
-})
-</script>
diff --git a/app/components/TypeEditComponentRequirementsSection.vue b/app/components/TypeEditComponentRequirementsSection.vue
deleted file mode 100644
index 1f89d26..0000000
--- a/app/components/TypeEditComponentRequirementsSection.vue
+++ /dev/null
@@ -1,95 +0,0 @@
-<template>
-  <RequirementListEditor
-    v-model="requirements"
-    :type-options="componentTypes"
-    type-field="typeComposantId"
-    :labels="labels"
-    :default-requirement="createDefaultRequirement"
-    :required-fallback="true"
-    :min-fallback="1"
-    :type-loading="loadingComponentTypes"
-  />
-</template>
-
-<script setup lang="ts">
-import { computed, onMounted } from 'vue'
-import RequirementListEditor from '~/components/common/RequirementListEditor.vue'
-import { useComponentTypes } from '~/composables/useComponentTypes'
-
-type Requirement = Record<string, unknown> & {
-  id?: string | number
-  typeComposantId?: string | number | null
-  label?: string
-  minCount?: number | null
-  maxCount?: number | null
-  required?: boolean | null
-  allowNewModels?: boolean | null
-}
-
-type Labels = {
-  headerTitle: string
-  addButton: string
-  description: string
-  emptyState: string
-  typeSelectLabel: string
-  typePlaceholder: string
-  labelFieldLabel: string
-  labelFieldHelper: string
-  labelPlaceholder: string
-  minLabel: string
-  maxLabel: string
-  maxHelper: string
-  requiredLabel: string
-  allowNewModelsLabel: string
-}
-
-const props = defineProps({
-  modelValue: {
-    type: Array as () => Requirement[],
-    default: () => [],
-  },
-})
-
-const emit = defineEmits(['update:modelValue'])
-
-const { componentTypes, loadComponentTypes, loadingComponentTypes } = useComponentTypes()
-
-const requirements = computed({
-  get: () => props.modelValue,
-  set: (value: Requirement[]) => emit('update:modelValue', value),
-})
-
-const createDefaultRequirement = (): Requirement => ({
-  id: undefined,
-  typeComposantId: null,
-  label: '',
-  minCount: 1,
-  maxCount: null,
-  required: true,
-  allowNewModels: true,
-})
-
-const labels: Labels = {
-  headerTitle: 'Familles de composants',
-  addButton: 'Ajouter une famille',
-  description:
-    "Chaque ligne correspond à un groupe de composants attendus pour le type de machine. Sélectionnez le type de composant (famille), puis définissez le nombre minimal/maximal et si l'utilisateur peut créer un nouveau modèle lors de l'instanciation d'une machine.",
-  emptyState: 'Aucun groupe configuré. Ajoutez votre première famille de composants.',
-  typeSelectLabel: 'Type de composant',
-  typePlaceholder: 'Sélectionner un type',
-  labelFieldLabel: 'Libellé',
-  labelFieldHelper: 'Optionnel',
-  labelPlaceholder: 'Ex: Sangles principales',
-  minLabel: 'Minimum requis',
-  maxLabel: 'Maximum autorisé',
-  maxHelper: 'Laisser vide pour illimité',
-  requiredLabel: 'Requis',
-  allowNewModelsLabel: "Autoriser la création de nouveaux modèles lors de l'instanciation",
-}
-
-onMounted(async () => {
-  if (!componentTypes.value.length) {
-    await loadComponentTypes()
-  }
-})
-</script>
diff --git a/app/components/TypeEditCustomFieldsSection.vue b/app/components/TypeEditCustomFieldsSection.vue
deleted file mode 100644
index b903937..0000000
--- a/app/components/TypeEditCustomFieldsSection.vue
+++ /dev/null
@@ -1,356 +0,0 @@
-<template>
-  <div class="card bg-base-100 shadow-lg">
-    <div class="card-body">
-      <div class="flex items-center justify-between mb-4">
-        <div class="flex items-center gap-2">
-          <button
-            type="button"
-            class="btn btn-ghost btn-sm p-1"
-            @click="toggleSection"
-          >
-            <IconLucideChevronRight
-              class="w-4 h-4 transition-transform duration-200"
-              :class="{ 'rotate-90': expanded }"
-              aria-hidden="true"
-            />
-          </button>
-          <h3 class="card-title text-lg">
-            Champs personnalisés du type
-          </h3>
-          <span class="badge badge-primary">{{ fields.length }}</span>
-        </div>
-      </div>
-
-      <div v-if="expanded" class="space-y-4">
-        <div
-          v-for="(field, fieldIndex) in fields"
-          :key="field.id || field.customFieldId || field.__key || `field-${fieldIndex}`"
-          class="border border-gray-200 rounded-lg p-4 bg-gray-50 transition-colors"
-          :class="fieldReorderClass(fieldIndex)"
-          draggable="true"
-          @dragstart="onFieldDragStart(fieldIndex, $event)"
-          @dragenter="onFieldDragEnter(fieldIndex)"
-          @dragover.prevent
-          @drop="onFieldDrop(fieldIndex)"
-          @dragend="onFieldDragEnd"
-        >
-          <div class="flex items-center justify-between mb-3">
-            <div class="flex items-center gap-2">
-              <button
-                type="button"
-                class="btn btn-ghost btn-xs btn-square cursor-grab active:cursor-grabbing"
-                title="Réorganiser"
-                draggable="false"
-              >
-                <IconLucideGripVertical class="w-4 h-4" aria-hidden="true" />
-              </button>
-              <button
-                type="button"
-                class="btn btn-ghost btn-xs p-1"
-                title="Plier / déplier le champ"
-                @click="toggleField(fieldIndex)"
-              >
-                <IconLucideChevronRight
-                  class="w-4 h-4 transition-transform duration-200"
-                  :class="{ 'rotate-90': isFieldExpanded(fieldIndex) }"
-                  aria-hidden="true"
-                />
-              </button>
-              <IconLucideListChecks class="w-4 h-4 text-blue-500" aria-hidden="true" />
-              <h5 class="text-sm font-medium">
-                Champ personnalisé {{ fieldIndex + 1 }}
-              </h5>
-              <span v-if="!isFieldExpanded(fieldIndex)" class="text-xs text-gray-500 truncate max-w-[160px]">
-                {{ field.name || 'Sans nom' }}
-              </span>
-            </div>
-            <button
-              type="button"
-              class="btn btn-square btn-error btn-sm"
-              title="Supprimer ce champ"
-              @click="removeField(fieldIndex)"
-            >
-              <IconLucideX class="w-4 h-4" aria-hidden="true" />
-            </button>
-          </div>
-
-          <div v-if="isFieldExpanded(fieldIndex)" class="grid grid-cols-1 md:grid-cols-2 gap-4">
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text">Nom du champ</span>
-                <span class="label-text-alt text-error">*</span>
-              </label>
-              <input
-                :value="field.name"
-                type="text"
-                placeholder="Nom du champ"
-                class="input input-bordered input-sm"
-                required
-                @input="updateField(fieldIndex, { name: $event.target.value })"
-              >
-            </div>
-
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text">Type de champ</span>
-                <span class="label-text-alt text-error">*</span>
-              </label>
-              <select
-                class="select select-bordered select-sm"
-                required
-                :value="field.type"
-                @change="updateField(fieldIndex, { type: $event.target.value })"
-              >
-                <option value="">
-                  Sélectionner un type
-                </option>
-                <option value="text">
-                  Texte
-                </option>
-                <option value="number">
-                  Nombre
-                </option>
-                <option value="select">
-                  Liste déroulante
-                </option>
-                <option value="boolean">
-                  Oui/Non
-                </option>
-                <option value="date">
-                  Date
-                </option>
-              </select>
-            </div>
-          </div>
-
-          <div v-if="isFieldExpanded(fieldIndex)" class="mt-3">
-            <div class="flex items-center gap-2">
-              <input
-                type="checkbox"
-                class="checkbox checkbox-sm"
-                :checked="field.required"
-                @change="updateField(fieldIndex, { required: $event.target.checked })"
-              >
-              <span class="text-sm">Champ obligatoire</span>
-            </div>
-          </div>
-
-          <div
-            v-if="isFieldExpanded(fieldIndex) && field.type === 'select'"
-            class="mt-3"
-          >
-            <label class="label">
-              <span class="label-text">Options de la liste</span>
-              <span class="label-text-alt">Une option par ligne</span>
-            </label>
-            <textarea
-              :value="field.optionsText || ''"
-              placeholder="Option 1&#10;Option 2&#10;Option 3"
-              class="textarea textarea-bordered textarea-sm w-full h-20"
-              @input="updateOptions(fieldIndex, $event.target.value)"
-            />
-          </div>
-        </div>
-
-        <div class="flex justify-end">
-          <button type="button" class="btn btn-primary btn-sm" @click="addField">
-            <IconLucidePlus class="w-4 h-4 mr-2" aria-hidden="true" />
-            Ajouter un champ
-          </button>
-        </div>
-      </div>
-      <div v-else class="flex justify-end">
-        <button type="button" class="btn btn-primary btn-sm" @click="addField">
-          <IconLucidePlus class="w-4 h-4 mr-2" aria-hidden="true" />
-          Ajouter un champ
-        </button>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup>
-import { computed, ref, watch } from 'vue'
-import IconLucideChevronRight from '~icons/lucide/chevron-right'
-import IconLucideListChecks from '~icons/lucide/list-checks'
-import IconLucideX from '~icons/lucide/x'
-import IconLucidePlus from '~icons/lucide/plus'
-import IconLucideGripVertical from '~icons/lucide/grip-vertical'
-
-const props = defineProps({
-  modelValue: {
-    type: Array,
-    default: () => []
-  },
-  allExpanded: {
-    type: Boolean,
-    default: false
-  },
-  expandAllTrigger: {
-    type: Number,
-    default: 0
-  }
-})
-
-const emit = defineEmits(['update:modelValue'])
-
-const fields = computed({
-  get: () => props.modelValue,
-  set: value => emit('update:modelValue', value)
-})
-
-const createFieldKey = () => `cf-${Math.random().toString(16).slice(2)}-${Date.now()}`
-
-const expanded = ref(false)
-const expandedFields = ref([])
-const draggingFieldIndex = ref(null)
-const fieldDropTargetIndex = ref(null)
-
-const applyOrderIndex = (list = []) => {
-  if (!Array.isArray(list)) { return [] }
-  list.forEach((field, index) => {
-    if (field && typeof field === 'object') {
-      field.orderIndex = index
-      if (typeof field.__key !== 'string' || !field.__key) {
-        field.__key = createFieldKey()
-      }
-    }
-  })
-  return list
-}
-
-const createEmptyField = () => ({
-  name: '',
-  type: '',
-  required: false,
-  optionsText: '',
-  orderIndex: fields.value.length,
-  __key: createFieldKey()
-})
-
-const resetDragState = () => {
-  draggingFieldIndex.value = null
-  fieldDropTargetIndex.value = null
-}
-
-const reorderFields = (from, to) => {
-  const list = Array.isArray(fields.value) ? fields.value.slice() : []
-  if (from === to || from < 0 || to < 0 || from >= list.length || to >= list.length) {
-    resetDragState()
-    return
-  }
-  const [moved] = list.splice(from, 1)
-  list.splice(to, 0, moved)
-  if (Array.isArray(expandedFields.value)) {
-    const expandedCopy = expandedFields.value.slice()
-    const [expandedState] = expandedCopy.splice(from, 1)
-    expandedCopy.splice(to, 0, expandedState)
-    expandedFields.value = expandedCopy
-  }
-  fields.value = applyOrderIndex(list)
-  resetDragState()
-}
-
-watch(
-  () => props.expandAllTrigger,
-  () => {
-    expanded.value = props.allExpanded
-    expandedFields.value = fields.value.map(() => props.allExpanded)
-  },
-  { immediate: true }
-)
-
-watch(
-  () => fields.value.length,
-  (length) => {
-    expandedFields.value = Array.from({ length }, (_, index) => expandedFields.value[index] ?? props.allExpanded)
-  }
-)
-
-const toggleSection = () => {
-  expanded.value = !expanded.value
-}
-
-const ensureFieldState = (index) => {
-  if (expandedFields.value[index] === undefined) {
-    expandedFields.value[index] = props.allExpanded
-  }
-}
-
-const isFieldExpanded = (index) => {
-  ensureFieldState(index)
-  return expandedFields.value[index]
-}
-
-const toggleField = (index) => {
-  ensureFieldState(index)
-  expandedFields.value[index] = !expandedFields.value[index]
-}
-
-const addField = () => {
-  const next = Array.isArray(fields.value) ? fields.value.slice() : []
-  next.push(createEmptyField())
-  fields.value = applyOrderIndex(next)
-  expandedFields.value.push(true)
-  expanded.value = true
-}
-
-const removeField = (index) => {
-  const next = Array.isArray(fields.value)
-    ? fields.value.filter((_, i) => i !== index)
-    : []
-  fields.value = applyOrderIndex(next)
-  expandedFields.value.splice(index, 1)
-}
-
-const updateField = (index, patch) => {
-  const next = Array.isArray(fields.value) ? fields.value.slice() : []
-  next[index] = { ...next[index], ...patch }
-  fields.value = applyOrderIndex(next)
-}
-
-const updateOptions = (index, value) => {
-  updateField(index, {
-    optionsText: value.replace(/\r\n/g, '\n').replace(/\r/g, '\n')
-  })
-}
-
-const onFieldDragStart = (index, event) => {
-  draggingFieldIndex.value = index
-  fieldDropTargetIndex.value = index
-  if (event.dataTransfer) {
-    event.dataTransfer.effectAllowed = 'move'
-  }
-}
-
-const onFieldDragEnter = (index) => {
-  if (draggingFieldIndex.value === null) { return }
-  fieldDropTargetIndex.value = index
-}
-
-const onFieldDrop = (index) => {
-  if (draggingFieldIndex.value === null) {
-    resetDragState()
-    return
-  }
-  reorderFields(draggingFieldIndex.value, index)
-}
-
-const onFieldDragEnd = () => {
-  resetDragState()
-}
-
-const fieldReorderClass = (index) => {
-  if (draggingFieldIndex.value === index) {
-    return 'border-dashed border-primary'
-  }
-  if (
-    draggingFieldIndex.value !== null &&
-    fieldDropTargetIndex.value === index &&
-    draggingFieldIndex.value !== index
-  ) {
-    return 'border-primary border-dashed bg-primary/5'
-  }
-  return ''
-}
-</script>
diff --git a/app/components/TypeEditForm.vue b/app/components/TypeEditForm.vue
deleted file mode 100644
index f6a6ba1..0000000
--- a/app/components/TypeEditForm.vue
+++ /dev/null
@@ -1,161 +0,0 @@
-<template>
-  <form class="space-y-6" @submit.prevent="handleSubmit">
-    <TypeEditToolbar :all-expanded="allExpanded" @toggle="toggleAllSections" />
-
-    <TypeEditBaseInfoSection
-      v-model:name="formData.name"
-      v-model:category="formData.category"
-      v-model:description="formData.description"
-      v-model:maintenance-frequency="formData.maintenanceFrequency"
-    />
-
-    <TypeEditCustomFieldsSection
-      :model-value="formData.customFields"
-      :all-expanded="allExpanded"
-      :expand-all-trigger="expandAllTrigger"
-      @update:model-value="(value) => (formData.customFields = value)"
-    />
-
-    <TypeEditComponentRequirementsSection
-      :model-value="formData.componentRequirements"
-      @update:model-value="(value) => (formData.componentRequirements = value)"
-    />
-
-    <TypeEditPieceRequirementsSection
-      :model-value="formData.pieceRequirements"
-      @update:model-value="(value) => (formData.pieceRequirements = value)"
-    />
-
-    <TypeEditProductRequirementsSection
-      :model-value="formData.productRequirements"
-      @update:model-value="(value) => (formData.productRequirements = value)"
-    />
-
-    <TypeEditActionsBar :saving="saving" @reset="resetForm" />
-  </form>
-</template>
-
-<script setup>
-import { reactive, ref, watch } from 'vue'
-import TypeEditActionsBar from '~/components/TypeEditActionsBar.vue'
-import TypeEditBaseInfoSection from '~/components/TypeEditBaseInfoSection.vue'
-import TypeEditCustomFieldsSection from '~/components/TypeEditCustomFieldsSection.vue'
-import TypeEditToolbar from '~/components/TypeEditToolbar.vue'
-import TypeEditComponentRequirementsSection from '~/components/TypeEditComponentRequirementsSection.vue'
-import TypeEditPieceRequirementsSection from '~/components/TypeEditPieceRequirementsSection.vue'
-import TypeEditProductRequirementsSection from '~/components/TypeEditProductRequirementsSection.vue'
-
-const props = defineProps({
-  modelValue: {
-    type: Object,
-    required: true
-  },
-  saving: {
-    type: Boolean,
-    default: false
-  }
-})
-
-const emit = defineEmits(['update:modelValue', 'submit'])
-
-const deepClone = value => JSON.parse(JSON.stringify(value))
-
-const createFieldKey = () => `cf-${Math.random().toString(16).slice(2)}-${Date.now()}`
-
-const normalizeCustomField = (field = {}, index = 0) => {
-  const clone = deepClone(field)
-  if (clone.type === 'select') {
-    if (typeof clone.optionsText !== 'string' || !clone.optionsText.length) {
-      if (Array.isArray(clone.options)) {
-        clone.optionsText = clone.options.map(option => String(option).trim()).filter(Boolean).join('\n')
-      } else {
-        clone.optionsText = ''
-      }
-    }
-  }
-  const currentOrder =
-    typeof clone?.orderIndex === 'number' ? clone.orderIndex : index
-  clone.orderIndex = currentOrder
-  if (typeof clone?.__key !== 'string' || !clone.__key) {
-    clone.__key = createFieldKey()
-  }
-  return clone
-}
-
-const withNormalizedOrder = (items = []) => {
-  if (!Array.isArray(items)) { return [] }
-  return items
-    .map((item, index) => normalizeCustomField(item, index))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((item, index) => ({ ...item, orderIndex: index }))
-}
-
-const createDefaultForm = (source = {}) => ({
-  name: source.name || '',
-  description: source.description || '',
-  category: source.category || '',
-  maintenanceFrequency: source.maintenanceFrequency || '',
-  customFields: withNormalizedOrder(source.customFields || []),
-  componentRequirements: withNormalizedOrder(source.componentRequirements || []),
-  pieceRequirements: withNormalizedOrder(source.pieceRequirements || []),
-  productRequirements: withNormalizedOrder(source.productRequirements || []),
-})
-
-const formData = reactive(createDefaultForm(props.modelValue))
-const allExpanded = ref(false)
-const expandAllTrigger = ref(0)
-
-let syncingFromParent = false
-const toPlainObject = value => JSON.parse(JSON.stringify(value))
-const lastSnapshot = ref(toPlainObject(createDefaultForm(props.modelValue)))
-
-watch(
-  () => props.modelValue,
-  (value) => {
-    const normalized = createDefaultForm(value)
-    if (JSON.stringify(normalized) === JSON.stringify(lastSnapshot.value)) {
-      return
-    }
-
-    syncingFromParent = true
-    Object.assign(formData, normalized)
-    lastSnapshot.value = toPlainObject(normalized)
-    syncingFromParent = false
-  },
-  { deep: true }
-)
-
-watch(
-  formData,
-  (value) => {
-    if (syncingFromParent) { return }
-    const normalized = createDefaultForm(value)
-    if (JSON.stringify(normalized) === JSON.stringify(lastSnapshot.value)) {
-      return
-    }
-
-    lastSnapshot.value = toPlainObject(normalized)
-    emit('update:modelValue', normalized)
-  },
-  { deep: true }
-)
-
-const toggleAllSections = () => {
-  allExpanded.value = !allExpanded.value
-  expandAllTrigger.value += 1
-}
-
-const resetForm = () => {
-  const normalized = createDefaultForm(props.modelValue)
-  syncingFromParent = true
-  Object.assign(formData, normalized)
-  lastSnapshot.value = toPlainObject(normalized)
-  syncingFromParent = false
-  allExpanded.value = false
-  expandAllTrigger.value += 1
-}
-
-const handleSubmit = () => {
-  emit('submit')
-}
-</script>
diff --git a/app/components/TypeEditPieceRequirementsSection.vue b/app/components/TypeEditPieceRequirementsSection.vue
deleted file mode 100644
index 1ba9486..0000000
--- a/app/components/TypeEditPieceRequirementsSection.vue
+++ /dev/null
@@ -1,95 +0,0 @@
-<template>
-  <RequirementListEditor
-    v-model="requirements"
-    :type-options="pieceTypes"
-    type-field="typePieceId"
-    :labels="labels"
-    :default-requirement="createDefaultRequirement"
-    :required-fallback="false"
-    :min-fallback="0"
-    :type-loading="loadingPieceTypes"
-  />
-</template>
-
-<script setup lang="ts">
-import { computed, onMounted } from 'vue'
-import RequirementListEditor from '~/components/common/RequirementListEditor.vue'
-import { usePieceTypes } from '~/composables/usePieceTypes'
-
-type Requirement = Record<string, unknown> & {
-  id?: string | number
-  typePieceId?: string | number | null
-  label?: string
-  minCount?: number | null
-  maxCount?: number | null
-  required?: boolean | null
-  allowNewModels?: boolean | null
-}
-
-type Labels = {
-  headerTitle: string
-  addButton: string
-  description: string
-  emptyState: string
-  typeSelectLabel: string
-  typePlaceholder: string
-  labelFieldLabel: string
-  labelFieldHelper: string
-  labelPlaceholder: string
-  minLabel: string
-  maxLabel: string
-  maxHelper: string
-  requiredLabel: string
-  allowNewModelsLabel: string
-}
-
-const props = defineProps({
-  modelValue: {
-    type: Array as () => Requirement[],
-    default: () => [],
-  },
-})
-
-const emit = defineEmits(['update:modelValue'])
-
-const { pieceTypes, loadPieceTypes, loadingPieceTypes } = usePieceTypes()
-
-const requirements = computed({
-  get: () => props.modelValue,
-  set: (value: Requirement[]) => emit('update:modelValue', value),
-})
-
-const createDefaultRequirement = (): Requirement => ({
-  id: undefined,
-  typePieceId: null,
-  label: '',
-  minCount: 0,
-  maxCount: null,
-  required: false,
-  allowNewModels: true,
-})
-
-const labels: Labels = {
-  headerTitle: 'Pièces principales',
-  addButton: 'Ajouter un groupe',
-  description:
-    "Configurez ici les familles de pièces principales attendues pour ce type de machine. Le nombre minimal/maximal est utilisé pour guider la création d'une machine.",
-  emptyState: 'Aucun groupe configuré. Ajoutez votre première famille de pièces.',
-  typeSelectLabel: 'Type de pièce',
-  typePlaceholder: 'Sélectionner un type',
-  labelFieldLabel: 'Libellé',
-  labelFieldHelper: 'Optionnel',
-  labelPlaceholder: 'Ex: Vis principale',
-  minLabel: 'Minimum requis',
-  maxLabel: 'Maximum autorisé',
-  maxHelper: 'Laisser vide pour illimité',
-  requiredLabel: 'Requis',
-  allowNewModelsLabel: "Autoriser la création de nouveaux modèles lors de l'instanciation",
-}
-
-onMounted(async () => {
-  if (!pieceTypes.value.length) {
-    await loadPieceTypes()
-  }
-})
-</script>
diff --git a/app/components/TypeEditProductRequirementsSection.vue b/app/components/TypeEditProductRequirementsSection.vue
deleted file mode 100644
index 47fa522..0000000
--- a/app/components/TypeEditProductRequirementsSection.vue
+++ /dev/null
@@ -1,95 +0,0 @@
-<template>
-  <RequirementListEditor
-    v-model="requirements"
-    :type-options="productTypes"
-    type-field="typeProductId"
-    :labels="labels"
-    :default-requirement="createDefaultRequirement"
-    :required-fallback="false"
-    :min-fallback="0"
-    :type-loading="loadingProductTypes"
-  />
-</template>
-
-<script setup lang="ts">
-import { computed, onMounted } from 'vue'
-import RequirementListEditor from '~/components/common/RequirementListEditor.vue'
-import { useProductTypes } from '~/composables/useProductTypes'
-
-type Requirement = Record<string, unknown> & {
-  id?: string | number
-  typeProductId?: string | number | null
-  label?: string
-  minCount?: number | null
-  maxCount?: number | null
-  required?: boolean | null
-  allowNewModels?: boolean | null
-}
-
-type Labels = {
-  headerTitle: string
-  addButton: string
-  description: string
-  emptyState: string
-  typeSelectLabel: string
-  typePlaceholder: string
-  labelFieldLabel: string
-  labelFieldHelper: string
-  labelPlaceholder: string
-  minLabel: string
-  maxLabel: string
-  maxHelper: string
-  requiredLabel: string
-  allowNewModelsLabel: string
-}
-
-const props = defineProps({
-  modelValue: {
-    type: Array as () => Requirement[],
-    default: () => [],
-  },
-})
-
-const emit = defineEmits(['update:modelValue'])
-
-const { productTypes, loadProductTypes, loadingProductTypes } = useProductTypes()
-
-const requirements = computed({
-  get: () => props.modelValue,
-  set: (value: Requirement[]) => emit('update:modelValue', value),
-})
-
-const createDefaultRequirement = (): Requirement => ({
-  id: undefined,
-  typeProductId: null,
-  label: '',
-  minCount: 0,
-  maxCount: null,
-  required: false,
-  allowNewModels: true,
-})
-
-const labels: Labels = {
-  headerTitle: 'Produits requis',
-  addButton: 'Ajouter un produit',
-  description:
-    "Définissez les produits catalogue attendus pour ce type de machine. Sélectionnez la catégorie de produit, précisez les quantités minimales et maximales, puis indiquez si de nouveaux produits peuvent être créés à l'usage.",
-  emptyState: 'Aucun produit requis configuré pour le moment.',
-  typeSelectLabel: 'Catégorie de produit',
-  typePlaceholder: 'Sélectionner une catégorie',
-  labelFieldLabel: 'Libellé',
-  labelFieldHelper: 'Optionnel',
-  labelPlaceholder: 'Ex : Lubrifiant recommandé',
-  minLabel: 'Minimum requis',
-  maxLabel: 'Maximum autorisé',
-  maxHelper: 'Laisser vide pour illimité',
-  requiredLabel: 'Requis',
-  allowNewModelsLabel: "Autoriser la création de nouveaux produits lors de l'instanciation",
-}
-
-onMounted(async () => {
-  if (!productTypes.value.length) {
-    await loadProductTypes()
-  }
-})
-</script>
diff --git a/app/components/TypeEditToolbar.vue b/app/components/TypeEditToolbar.vue
deleted file mode 100644
index 85019d1..0000000
--- a/app/components/TypeEditToolbar.vue
+++ /dev/null
@@ -1,23 +0,0 @@
-<template>
-  <div class="flex justify-end">
-    <button type="button" class="btn btn-outline btn-sm" @click="$emit('toggle')">
-      <IconLucideMinus v-if="allExpanded" class="w-4 h-4 mr-2" aria-hidden="true" />
-      <IconLucidePlus v-else class="w-4 h-4 mr-2" aria-hidden="true" />
-      {{ allExpanded ? 'Tout plier' : 'Tout déplier' }}
-    </button>
-  </div>
-</template>
-
-<script setup>
-import IconLucideMinus from '~icons/lucide/minus'
-import IconLucidePlus from '~icons/lucide/plus'
-
-defineProps({
-  allExpanded: {
-    type: Boolean,
-    default: false
-  }
-})
-
-defineEmits(['toggle'])
-</script>
diff --git a/app/components/TypeInfoDisplay.vue b/app/components/TypeInfoDisplay.vue
deleted file mode 100644
index 2692b09..0000000
--- a/app/components/TypeInfoDisplay.vue
+++ /dev/null
@@ -1,28 +0,0 @@
-<template>
-  <div class="alert alert-info mb-6">
-    <div>
-      <h3 class="font-bold">
-        Type existant
-      </h3>
-      <div class="text-sm">
-        <p><strong>Catégorie:</strong> {{ type.category || 'Non définie' }}</p>
-        <p><strong>Maintenance:</strong> {{ type.maintenanceFrequency || 'Non définie' }}</p>
-        <p><strong>Familles de composants:</strong> {{ type.componentRequirements?.length || 0 }}</p>
-        <p><strong>Groupes de pièces:</strong> {{ type.pieceRequirements?.length || 0 }}</p>
-        <p><strong>Produits requis:</strong> {{ type.productRequirements?.length || 0 }}</p>
-        <p v-if="type.description">
-          <strong>Description:</strong> {{ type.description }}
-        </p>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup>
-defineProps({
-  type: {
-    type: Object,
-    required: true
-  }
-})
-</script>
diff --git a/app/components/common/SearchSelect.vue b/app/components/common/SearchSelect.vue
index 0299d20..60ad085 100644
--- a/app/components/common/SearchSelect.vue
+++ b/app/components/common/SearchSelect.vue
@@ -18,6 +18,15 @@
         @keydown.enter.prevent="selectHighlighted"
         @input="handleInput"
       >
+      <button
+        v-if="clearable && modelValue"
+        type="button"
+        class="absolute top-1/2 -translate-y-1/2 right-8 btn btn-ghost btn-xs"
+        aria-label="Effacer la sélection"
+        @click.stop="clearSelection"
+      >
+        <IconLucideX class="w-3 h-3" aria-hidden="true" />
+      </button>
       <button
         type="button"
         :class="toggleButtonClasses"
@@ -77,6 +86,7 @@
 <script setup>
 import { ref, computed, watch, onMounted, onBeforeUnmount } from 'vue'
 import IconLucideChevronsUpDown from '~icons/lucide/chevrons-up-down'
+import IconLucideX from '~icons/lucide/x'
 
 const props = defineProps({
   modelValue: {
@@ -111,6 +121,10 @@ const props = defineProps({
     type: [String, Function],
     default: null
   },
+  clearable: {
+    type: Boolean,
+    default: false
+  },
   size: {
     type: String,
     default: 'md',
@@ -155,7 +169,8 @@ const displayedOptions = computed(() => {
 })
 
 const inputClasses = computed(() => {
-  const base = ['input', 'input-bordered', 'w-full', 'pr-10']
+  const pr = props.clearable && props.modelValue ? 'pr-16' : 'pr-10'
+  const base = ['input', 'input-bordered', 'w-full', pr]
   if (props.size === 'xs') base.push('input-xs')
   if (props.size === 'sm') base.push('input-sm')
   if (props.size === 'lg') base.push('input-lg')
@@ -269,9 +284,17 @@ function handleInput () {
   emit('search', searchTerm.value)
 }
 
+function clearSelection () {
+  emit('update:modelValue', '')
+  searchTerm.value = ''
+  openDropdown.value = false
+}
+
 function closeDropdown () {
   openDropdown.value = false
-  if (selectedOption.value) {
+  if (searchTerm.value.trim() === '' && selectedOption.value) {
+    emit('update:modelValue', '')
+  } else if (selectedOption.value) {
     searchTerm.value = resolveLabel(selectedOption.value)
   }
 }
diff --git a/app/components/layout/AppNavbar.vue b/app/components/layout/AppNavbar.vue
index b34e988..6dc4224 100644
--- a/app/components/layout/AppNavbar.vue
+++ b/app/components/layout/AppNavbar.vue
@@ -251,7 +251,7 @@ import IconLucideChevronRight from '~icons/lucide/chevron-right'
 import IconLucideLogOut from '~icons/lucide/log-out'
 import IconLucideLayoutDashboard from '~icons/lucide/layout-dashboard'
 import IconLucideFactory from '~icons/lucide/factory'
-import IconLucideClipboardList from '~icons/lucide/clipboard-list'
+
 import IconLucideCpu from '~icons/lucide/cpu'
 import IconLucidePuzzle from '~icons/lucide/puzzle'
 import IconLucidePackage from '~icons/lucide/package'
@@ -280,7 +280,6 @@ interface NavGroup {
 const simpleLinks: NavLink[] = [
   { to: '/', label: 'Vue d\'ensemble', icon: IconLucideLayoutDashboard },
   { to: '/machines', label: 'Parc Machines', icon: IconLucideFactory },
-  { to: '/machine-skeleton', label: 'Squelettes', icon: IconLucideClipboardList },
 ]
 
 const navGroups: NavGroup[] = [
diff --git a/app/components/machine/AddEntityToMachineModal.vue b/app/components/machine/AddEntityToMachineModal.vue
new file mode 100644
index 0000000..5359d7b
--- /dev/null
+++ b/app/components/machine/AddEntityToMachineModal.vue
@@ -0,0 +1,207 @@
+<template>
+  <div v-if="open" class="modal modal-open">
+    <div class="modal-box max-w-xl w-full" style="overflow: visible">
+      <button
+        type="button"
+        class="btn btn-sm btn-circle btn-ghost absolute right-3 top-3"
+        @click="handleClose"
+      >
+        &times;
+      </button>
+
+      <h3 class="font-bold text-lg mb-6">
+        {{ title }}
+      </h3>
+
+      <!-- Step 1: Choose category -->
+      <div class="form-control mb-5" style="position: relative; z-index: 20">
+        <label class="label pb-1">
+          <span class="label-text font-medium">Catégorie</span>
+        </label>
+        <SearchSelect
+          v-model="selectedTypeId"
+          :options="types"
+          :loading="loadingTypes"
+          :max-visible="8"
+          placeholder="Rechercher une catégorie..."
+          empty-text="Aucune catégorie disponible"
+          :option-label="(t: any) => t.name"
+          :option-description="(t: any) => t.code"
+        />
+      </div>
+
+      <!-- Step 2: Choose entity (visible only after category selected) -->
+      <div v-if="selectedTypeName" class="form-control mb-5" style="position: relative; z-index: 10">
+        <label class="label pb-1">
+          <span class="label-text font-medium">{{ entityLabel }}</span>
+        </label>
+        <SearchSelect
+          v-model="selectedEntityId"
+          :options="entities"
+          :loading="loadingEntities"
+          :max-visible="8"
+          :placeholder="`Rechercher ${entityLabelLower}...`"
+          :empty-text="`Aucun ${entityLabelLower} disponible dans cette catégorie`"
+          :option-label="entityOptionLabel"
+          :option-description="entityOptionDescription"
+        />
+      </div>
+
+      <!-- Summary of selection -->
+      <div v-if="selectedEntitySummary" class="bg-base-200 rounded-lg p-3 mb-4">
+        <p class="text-sm font-medium">{{ selectedEntitySummary.name }}</p>
+        <p v-if="selectedEntitySummary.reference" class="text-xs text-base-content/60">
+          Réf : {{ selectedEntitySummary.reference }}
+        </p>
+      </div>
+
+      <div class="modal-action mt-4 pt-4 border-t border-base-200" style="position: relative; z-index: 0">
+        <button type="button" class="btn btn-ghost" @click="handleClose">
+          Annuler
+        </button>
+        <button
+          type="button"
+          class="btn btn-primary"
+          :disabled="!selectedEntityId"
+          @click="handleConfirm"
+        >
+          Ajouter
+        </button>
+      </div>
+    </div>
+    <div class="modal-backdrop" @click="handleClose" />
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, watch } from 'vue'
+import SearchSelect from '~/components/common/SearchSelect.vue'
+import { useComponentTypes } from '~/composables/useComponentTypes'
+import { usePieceTypes } from '~/composables/usePieceTypes'
+import { useProductTypes } from '~/composables/useProductTypes'
+import { useComposants } from '~/composables/useComposants'
+import { usePieces } from '~/composables/usePieces'
+import { useProducts } from '~/composables/useProducts'
+
+type EntityKind = 'component' | 'piece' | 'product'
+
+const props = defineProps<{
+  open: boolean
+  entityKind: EntityKind
+}>()
+
+const emit = defineEmits<{
+  close: []
+  confirm: [entityId: string]
+}>()
+
+const selectedTypeId = ref('')
+const selectedEntityId = ref('')
+const loadingEntities = ref(false)
+const entities = ref<any[]>([])
+
+const { componentTypes, loadingComponentTypes, loadComponentTypes } = useComponentTypes()
+const { pieceTypes, loadingPieceTypes, loadPieceTypes } = usePieceTypes()
+const { productTypes, loadingProductTypes, loadProductTypes } = useProductTypes()
+const { loadComposants } = useComposants()
+const { loadPieces } = usePieces()
+const { loadProducts } = useProducts()
+
+const title = computed(() => {
+  const labels: Record<EntityKind, string> = {
+    component: 'Ajouter un composant',
+    piece: 'Ajouter une pièce',
+    product: 'Ajouter un produit',
+  }
+  return labels[props.entityKind]
+})
+
+const entityLabel = computed(() => {
+  const labels: Record<EntityKind, string> = {
+    component: 'Composant',
+    piece: 'Pièce',
+    product: 'Produit',
+  }
+  return labels[props.entityKind]
+})
+
+const entityLabelLower = computed(() => entityLabel.value.toLowerCase())
+
+const types = computed(() => {
+  if (props.entityKind === 'component') return componentTypes.value
+  if (props.entityKind === 'piece') return pieceTypes.value
+  return productTypes.value
+})
+
+const loadingTypes = computed(() => {
+  if (props.entityKind === 'component') return loadingComponentTypes.value
+  if (props.entityKind === 'piece') return loadingPieceTypes.value
+  return loadingProductTypes.value
+})
+
+const selectedTypeName = computed(() => {
+  if (!selectedTypeId.value) return ''
+  const found = types.value.find((t: any) => t.id === selectedTypeId.value)
+  return found?.name || ''
+})
+
+const entityOptionLabel = (e: any) => e.name || '(sans nom)'
+const entityOptionDescription = (e: any) => e.reference || ''
+
+const selectedEntitySummary = computed(() => {
+  if (!selectedEntityId.value || !entities.value.length) return null
+  const found = entities.value.find((e: any) => e.id === selectedEntityId.value)
+  if (!found) return null
+  return { name: found.name || '(sans nom)', reference: found.reference || null }
+})
+
+// Load types when modal opens
+watch(() => props.open, async (isOpen) => {
+  if (!isOpen) return
+  if (props.entityKind === 'component') await loadComponentTypes()
+  else if (props.entityKind === 'piece') await loadPieceTypes()
+  else await loadProductTypes()
+})
+
+// Load entities when type changes
+watch(selectedTypeId, async () => {
+  selectedEntityId.value = ''
+  entities.value = []
+
+  if (!selectedTypeName.value) return
+
+  loadingEntities.value = true
+  try {
+    if (props.entityKind === 'component') {
+      const result = await loadComposants({ typeName: selectedTypeName.value, itemsPerPage: 200 })
+      entities.value = result?.data?.items || []
+    } else if (props.entityKind === 'piece') {
+      const result = await loadPieces({ typeName: selectedTypeName.value, itemsPerPage: 200 })
+      entities.value = result?.data?.items || []
+    } else {
+      const result = await loadProducts({ typeName: selectedTypeName.value, itemsPerPage: 200 })
+      entities.value = result?.data?.items || []
+    }
+  } finally {
+    loadingEntities.value = false
+  }
+})
+
+const handleClose = () => {
+  resetState()
+  emit('close')
+}
+
+const handleConfirm = () => {
+  if (!selectedEntityId.value) return
+  emit('confirm', selectedEntityId.value)
+  resetState()
+  emit('close')
+}
+
+const resetState = () => {
+  selectedTypeId.value = ''
+  selectedEntityId.value = ''
+  entities.value = []
+}
+</script>
diff --git a/app/components/machine/MachineComponentsCard.vue b/app/components/machine/MachineComponentsCard.vue
index 55b3e11..eac3053 100644
--- a/app/components/machine/MachineComponentsCard.vue
+++ b/app/components/machine/MachineComponentsCard.vue
@@ -3,32 +3,57 @@
     <div class="card-body">
       <div class="flex justify-between items-center mb-4">
         <h2 class="card-title">Composants</h2>
-        <button
-          type="button"
-          class="btn btn-ghost btn-sm gap-2"
-          @click="$emit('toggle-collapse')"
-          :title="collapsed ? 'Déplier tous les composants' : 'Replier tous les composants'"
-        >
-          <IconLucideChevronRight
-            class="w-5 h-5 transition-transform"
-            :class="collapsed ? 'rotate-0' : 'rotate-90'"
-            aria-hidden="true"
-          />
-          <span class="text-sm">
-            {{ collapsed ? 'Tout déplier' : 'Tout replier' }}
-          </span>
-        </button>
+        <div class="flex items-center gap-2">
+          <button
+            v-if="isEditMode"
+            type="button"
+            class="btn btn-sm md:btn-md btn-primary"
+            @click="$emit('add-component')"
+          >
+            Ajouter un composant
+          </button>
+          <button
+            type="button"
+            class="btn btn-ghost btn-sm gap-2"
+            @click="$emit('toggle-collapse')"
+            :title="collapsed ? 'Déplier tous les composants' : 'Replier tous les composants'"
+          >
+            <IconLucideChevronRight
+              class="w-5 h-5 transition-transform"
+              :class="collapsed ? 'rotate-0' : 'rotate-90'"
+              aria-hidden="true"
+            />
+            <span class="text-sm">
+              {{ collapsed ? 'Tout déplier' : 'Tout replier' }}
+            </span>
+          </button>
+        </div>
       </div>
 
-      <ComponentHierarchy
-        :components="components"
-        :is-edit-mode="isEditMode"
-        :collapse-all="collapsed"
-        :toggle-token="collapseToggleToken"
-        @update="$emit('update-component', $event)"
-        @edit-piece="$emit('edit-piece', $event)"
-        @custom-field-update="$emit('custom-field-update', $event)"
-      />
+      <div v-if="components.length === 0" class="text-sm text-gray-500 py-4">
+        Aucun composant associé à cette machine.
+      </div>
+
+      <div v-else class="space-y-2">
+        <div v-for="component in components" :key="component.id" class="relative">
+          <button
+            v-if="isEditMode"
+            type="button"
+            class="btn btn-error btn-xs absolute top-2 right-2 z-10"
+            title="Supprimer ce composant"
+            @click="$emit('remove-component', component.linkId || component.id)"
+          >
+            Supprimer
+          </button>
+          <ComponentHierarchy
+            :components="[component]"
+            :is-edit-mode="false"
+            :collapse-all="collapsed"
+            :toggle-token="collapseToggleToken"
+            @edit-piece="$emit('edit-piece', $event)"
+          />
+        </div>
+      </div>
     </div>
   </div>
 </template>
@@ -49,5 +74,7 @@ defineEmits<{
   'update-component': [component: any]
   'edit-piece': [piece: any]
   'custom-field-update': [fieldUpdate: any]
+  'add-component': []
+  'remove-component': [linkId: string]
 }>()
 </script>
diff --git a/app/components/machine/MachineDetailHeader.vue b/app/components/machine/MachineDetailHeader.vue
index ab797e9..f9b55f6 100644
--- a/app/components/machine/MachineDetailHeader.vue
+++ b/app/components/machine/MachineDetailHeader.vue
@@ -4,25 +4,6 @@
       <h1 class="text-3xl font-bold">
         {{ title }}
       </h1>
-      <div class="btn-group w-full max-w-xs print:hidden" data-print-hide>
-        <button
-          type="button"
-          class="btn btn-sm"
-          :class="isDetailsView ? 'btn-primary' : 'btn-outline'"
-          @click="$emit('change-view', 'details')"
-        >
-          Vue machine
-        </button>
-        <button
-          type="button"
-          class="btn btn-sm"
-          :class="isSkeletonView ? 'btn-primary' : 'btn-outline'"
-          :disabled="!hasSkeletonRequirements"
-          @click="$emit('change-view', 'skeleton')"
-        >
-          Squelette
-        </button>
-      </div>
     </div>
     <div class="flex items-center gap-2 print:hidden" data-print-hide>
       <button
@@ -43,7 +24,7 @@
         {{ isEditMode ? 'Voir détails' : 'Modifier' }}
       </button>
       <button
-        v-if="isDetailsView && !isEditMode"
+        v-if="!isEditMode"
         @click="$emit('open-print')"
         type="button"
         class="btn btn-outline btn-secondary"
@@ -60,18 +41,12 @@ import IconLucideSquarePen from '~icons/lucide/square-pen'
 import IconLucideEye from '~icons/lucide/eye'
 import IconLucidePrinter from '~icons/lucide/printer'
 
-const { canEdit } = usePermissions()
-
 defineProps<{
   title: string
-  isDetailsView: boolean
-  isSkeletonView: boolean
   isEditMode: boolean
-  hasSkeletonRequirements: boolean
 }>()
 
 defineEmits<{
-  'change-view': [view: 'details' | 'skeleton']
   'toggle-edit': []
   'open-print': []
 }>()
diff --git a/app/components/machine/MachinePiecesCard.vue b/app/components/machine/MachinePiecesCard.vue
index 415a09f..acc5b60 100644
--- a/app/components/machine/MachinePiecesCard.vue
+++ b/app/components/machine/MachinePiecesCard.vue
@@ -3,32 +3,75 @@
     <div class="card-body">
       <div class="flex justify-between items-center mb-4">
         <h2 class="card-title">Pièces de la machine</h2>
+        <div class="flex items-center gap-2">
+          <button
+            v-if="isEditMode"
+            type="button"
+            class="btn btn-sm md:btn-md btn-primary"
+            @click="$emit('add-piece')"
+          >
+            Ajouter une pièce
+          </button>
+          <button
+            type="button"
+            class="btn btn-ghost btn-sm gap-2"
+            @click="$emit('toggle-collapse')"
+            :title="collapsed ? 'Déplier toutes les pièces' : 'Replier toutes les pièces'"
+          >
+            <IconLucideChevronRight
+              class="w-5 h-5 transition-transform"
+              :class="collapsed ? 'rotate-0' : 'rotate-90'"
+              aria-hidden="true"
+            />
+            <span class="text-sm">
+              {{ collapsed ? 'Tout déplier' : 'Tout replier' }}
+            </span>
+          </button>
+        </div>
       </div>
 
-      <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
-        <PieceItem
-          v-for="piece in pieces"
-          :key="piece.id"
-          :piece="piece"
-          :is-edit-mode="isEditMode"
-          @update="$emit('update-piece', $event)"
-          @edit="$emit('edit-piece', $event)"
-          @custom-field-update="$emit('custom-field-update', $event)"
-        />
+      <div v-if="pieces.length === 0" class="text-sm text-gray-500 py-4">
+        Aucune pièce associée à cette machine.
+      </div>
+
+      <div v-else class="space-y-2">
+        <div v-for="piece in pieces" :key="piece.id" class="relative">
+          <button
+            v-if="isEditMode"
+            type="button"
+            class="btn btn-error btn-xs absolute top-2 right-2 z-10"
+            title="Supprimer cette pièce"
+            @click="$emit('remove-piece', piece.linkId || piece.id)"
+          >
+            Supprimer
+          </button>
+          <PieceItem
+            :piece="piece"
+            :is-edit-mode="false"
+            :collapse-all="collapsed"
+            :toggle-token="collapseToggleToken"
+            @edit="$emit('edit-piece', $event)"
+          />
+        </div>
       </div>
     </div>
   </div>
 </template>
 
 <script setup lang="ts">
+import IconLucideChevronRight from '~icons/lucide/chevron-right'
+
 defineProps<{
   pieces: any[]
   isEditMode: boolean
+  collapsed: boolean
+  collapseToggleToken: number
 }>()
 
 defineEmits<{
-  'update-piece': [piece: any]
+  'toggle-collapse': []
   'edit-piece': [piece: any]
-  'custom-field-update': [fieldUpdate: any]
+  'add-piece': []
+  'remove-piece': [linkId: string]
 }>()
 </script>
diff --git a/app/components/machine/MachineProductsCard.vue b/app/components/machine/MachineProductsCard.vue
index 636178a..25cabcd 100644
--- a/app/components/machine/MachineProductsCard.vue
+++ b/app/components/machine/MachineProductsCard.vue
@@ -1,29 +1,55 @@
 <template>
   <div class="card bg-base-100 shadow-lg">
     <div class="card-body space-y-4">
+      <DocumentPreviewModal
+        :document="previewDocument"
+        :visible="previewVisible"
+        :documents="previewDocumentList"
+        @close="closePreview"
+      />
+
       <div class="flex items-center justify-between">
         <div>
           <h2 class="card-title">Produits associés</h2>
           <p class="text-xs text-gray-500">
-            Produits sélectionnés directement pour cette machine selon le squelette.
+            Produits sélectionnés directement pour cette machine.
           </p>
         </div>
-        <span class="badge badge-outline" v-if="products.length">
-          {{ products.length }} produit{{ products.length > 1 ? 's' : '' }}
-        </span>
+        <div class="flex items-center gap-2">
+          <button
+            v-if="isEditMode"
+            type="button"
+            class="btn btn-sm md:btn-md btn-primary"
+            @click="$emit('add-product')"
+          >
+            Ajouter un produit
+          </button>
+          <span class="badge badge-outline" v-if="products.length">
+            {{ products.length }} produit{{ products.length > 1 ? 's' : '' }}
+          </span>
+        </div>
       </div>
 
       <div v-if="products.length" class="space-y-3">
         <div
           v-for="product in products"
           :key="product.id || product.name"
-          class="rounded border border-base-200 bg-base-200/60 p-3 text-sm space-y-1"
+          class="rounded border border-base-200 bg-base-200/60 p-3 text-sm space-y-2 relative"
         >
+          <button
+            v-if="isEditMode"
+            type="button"
+            class="btn btn-error btn-xs absolute top-2 right-2"
+            title="Supprimer ce produit"
+            @click="$emit('remove-product', (product.linkId || product.id) as string)"
+          >
+            Supprimer
+          </button>
           <div class="flex items-center justify-between flex-wrap gap-2">
             <p class="font-semibold text-base-content">
               {{ product.name }}
             </p>
-            <span class="badge badge-ghost badge-sm">
+            <span v-if="product.groupLabel" class="badge badge-ghost badge-sm">
               {{ product.groupLabel }}
             </span>
           </div>
@@ -39,6 +65,53 @@
             <span class="font-medium">Prix indicatif :</span>
             <span class="ml-1">{{ product.priceLabel }}</span>
           </p>
+
+          <!-- Documents liés au produit -->
+          <div v-if="product.documents?.length" class="mt-2 space-y-1">
+            <p class="text-xs font-medium text-base-content/70">Documents :</p>
+            <div
+              v-for="doc in product.documents"
+              :key="doc.id || doc.name"
+              class="flex items-center justify-between gap-3 rounded border border-base-200 bg-base-100 px-3 py-2"
+            >
+              <div class="flex items-center gap-3 text-xs">
+                <div
+                  class="flex-shrink-0 overflow-hidden rounded-md border border-base-200 bg-base-200/70 flex items-center justify-center h-8 w-6"
+                >
+                  <component
+                    :is="documentIcon(doc).component"
+                    class="h-4 w-4"
+                    :class="documentIcon(doc).colorClass"
+                    aria-hidden="true"
+                  />
+                </div>
+                <div>
+                  <div class="font-medium text-base-content">{{ doc.name }}</div>
+                  <div class="text-xs text-base-content/60">
+                    {{ doc.mimeType || 'Inconnu' }} • {{ formatSize(doc.size) }}
+                  </div>
+                </div>
+              </div>
+              <div class="flex items-center gap-2 text-xs">
+                <button
+                  type="button"
+                  class="btn btn-ghost btn-xs"
+                  :disabled="!canPreviewDocument(doc)"
+                  :title="canPreviewDocument(doc) ? 'Consulter le document' : 'Aucun aperçu disponible pour ce type'"
+                  @click="openPreview(doc, product.documents || [])"
+                >
+                  Consulter
+                </button>
+                <button
+                  type="button"
+                  class="btn btn-ghost btn-xs"
+                  @click="downloadDocument(doc)"
+                >
+                  Télécharger
+                </button>
+              </div>
+            </div>
+          </div>
         </div>
       </div>
       <p v-else class="text-xs text-gray-500">
@@ -49,14 +122,53 @@
 </template>
 
 <script setup lang="ts">
+import { ref } from 'vue'
+import DocumentPreviewModal from '~/components/DocumentPreviewModal.vue'
+import { canPreviewDocument } from '~/utils/documentPreview'
+import {
+  formatSize,
+  documentIcon,
+  downloadDocument,
+} from '~/shared/utils/documentDisplayUtils'
+
 defineProps<{
   products: Array<{
     id?: string | null
+    linkId?: string | null
     name?: string
     reference?: string | null
     supplierLabel?: string | null
     priceLabel?: string | null
     groupLabel?: string
+    documents?: Array<{
+      id?: string
+      name?: string
+      mimeType?: string
+      size?: number
+      fileUrl?: string
+      downloadUrl?: string
+    }>
   }>
+  isEditMode: boolean
 }>()
+
+defineEmits<{
+  'add-product': []
+  'remove-product': [linkId: string]
+}>()
+
+const previewDocument = ref<any>(null)
+const previewVisible = ref(false)
+const previewDocumentList = ref<any[]>([])
+
+const openPreview = (doc: any, docs: any[]) => {
+  previewDocument.value = doc
+  previewDocumentList.value = docs
+  previewVisible.value = true
+}
+
+const closePreview = () => {
+  previewVisible.value = false
+  previewDocument.value = null
+}
 </script>
diff --git a/app/components/machine/MachineSkeletonSummary.vue b/app/components/machine/MachineSkeletonSummary.vue
deleted file mode 100644
index b38c860..0000000
--- a/app/components/machine/MachineSkeletonSummary.vue
+++ /dev/null
@@ -1,193 +0,0 @@
-<template>
-  <div
-    v-if="componentRequirementGroups.length || pieceRequirementGroups.length || productRequirementGroups.length"
-    class="card bg-base-100 shadow-lg"
-  >
-    <div class="card-body space-y-6">
-      <div>
-        <h2 class="card-title">Structure sélectionnée</h2>
-        <p class="text-sm text-gray-500">
-          Synthèse des familles définies dans le type et des modèles utilisés pour cette machine.
-        </p>
-      </div>
-
-      <!-- Component requirement groups -->
-      <div v-if="componentRequirementGroups.length" class="space-y-4">
-        <h3 class="text-sm font-semibold text-gray-700">Composants</h3>
-        <div
-          v-for="group in componentRequirementGroups"
-          :key="group.requirement.id"
-          class="rounded-lg border border-base-200 p-4"
-        >
-          <div class="flex flex-wrap items-center justify-between gap-2 mb-3">
-            <div>
-              <h4 class="font-medium text-sm">
-                {{ group.requirement.label || group.requirement.typeComposant?.name || 'Famille de composants' }}
-              </h4>
-              <p class="text-xs text-gray-500">
-                Type : {{ group.requirement.typeComposant?.name || 'Non défini' }} · Min {{ group.requirement.minCount ?? (group.requirement.required ? 1 : 0) }} · Max {{ group.requirement.maxCount ?? '∞' }}
-              </p>
-            </div>
-            <span class="badge badge-outline badge-sm">{{ group.components.length }} composant(s)</span>
-          </div>
-
-          <div v-if="group.components.length" class="space-y-2">
-            <div
-              v-for="component in group.components"
-              :key="component.id"
-              class="flex flex-wrap items-center gap-2 text-sm"
-            >
-              <span class="font-medium">{{ component.name }}</span>
-              <span v-if="component.parentComposantId" class="text-xs text-gray-500">
-                (Sous-composant)
-              </span>
-              <div
-                v-if="summarizeCustomFields(component.customFields || []).length"
-                class="w-full flex flex-wrap gap-2 text-xs text-gray-600"
-              >
-                <span
-                  v-for="field in summarizeCustomFields(component.customFields || [])"
-                  :key="field.key"
-                  class="badge badge-ghost badge-sm whitespace-pre-wrap"
-                >
-                  <span class="font-medium">{{ field.label }} :</span>
-                  <span class="ml-1">{{ field.value }}</span>
-                </span>
-              </div>
-              <SkeletonProductDisplay :product-display="component.__productDisplay" />
-            </div>
-          </div>
-          <p v-else class="text-xs text-gray-500">Aucun composant rattaché à ce groupe.</p>
-        </div>
-      </div>
-
-      <!-- Piece requirement groups -->
-      <div v-if="pieceRequirementGroups.length" class="space-y-4">
-        <h3 class="text-sm font-semibold text-gray-700">Pièces principales</h3>
-        <div
-          v-for="group in pieceRequirementGroups"
-          :key="group.requirement.id"
-          class="rounded-lg border border-base-200 p-4"
-        >
-          <div class="flex flex-wrap items-center justify-between gap-2 mb-3">
-            <div>
-              <h4 class="font-medium text-sm">
-                {{ group.requirement.label || group.requirement.typePiece?.name || 'Groupe de pièces' }}
-              </h4>
-              <p class="text-xs text-gray-500">
-                Type : {{ group.requirement.typePiece?.name || 'Non défini' }} · Min {{ group.requirement.minCount ?? (group.requirement.required ? 1 : 0) }} · Max {{ group.requirement.maxCount ?? '∞' }}
-              </p>
-            </div>
-            <span class="badge badge-outline badge-sm">{{ group.pieces.length }} pièce(s)</span>
-          </div>
-
-          <div v-if="group.pieces.length" class="space-y-2">
-            <div
-              v-for="piece in group.pieces"
-              :key="piece.id"
-              class="flex flex-wrap items-center gap-2 text-sm"
-            >
-              <span class="font-medium">{{ piece.name }}</span>
-              <span v-if="piece.parentComponentName" class="text-xs text-gray-500">
-                (Rattachée à {{ piece.parentComponentName }})
-              </span>
-              <div
-                v-if="summarizeCustomFields(piece.customFields || []).length"
-                class="w-full flex flex-wrap gap-2 text-xs text-gray-600"
-              >
-                <span
-                  v-for="field in summarizeCustomFields(piece.customFields || [])"
-                  :key="field.key"
-                  class="badge badge-ghost badge-sm whitespace-pre-wrap"
-                >
-                  <span class="font-medium">{{ field.label }} :</span>
-                  <span class="ml-1">{{ field.value }}</span>
-                </span>
-              </div>
-              <SkeletonProductDisplay :product-display="piece.__productDisplay" />
-            </div>
-          </div>
-          <p v-else class="text-xs text-gray-500">Aucune pièce rattachée à ce groupe.</p>
-        </div>
-      </div>
-
-      <!-- Product requirement groups -->
-      <div v-if="productRequirementGroups.length" class="space-y-4">
-        <h3 class="text-sm font-semibold text-gray-700">Produits requis</h3>
-        <div
-          v-for="group in productRequirementGroups"
-          :key="group.requirement.id"
-          class="rounded-lg border border-base-200 p-4"
-        >
-          <div class="flex flex-wrap items-center justify-between gap-2 mb-3">
-            <div>
-              <h4 class="font-medium text-sm">
-                {{ group.requirement.label || group.requirement.typeProduct?.name || 'Groupe de produits' }}
-              </h4>
-              <p class="text-xs text-gray-500">
-                Catégorie : {{ group.requirement.typeProduct?.name || 'Non définie' }} · Min {{ group.requirement.minCount ?? (group.requirement.required ? 1 : 0) }} · Max {{ group.requirement.maxCount ?? '∞' }}
-              </p>
-            </div>
-            <div class="flex flex-wrap items-center gap-2">
-              <span class="badge badge-outline badge-sm">Total {{ group.totalCount }}</span>
-              <span class="badge badge-ghost badge-sm">Direct {{ group.directProducts.length }}</span>
-            </div>
-          </div>
-
-          <div class="text-xs text-gray-500 mb-3">
-            Via composants : {{ group.componentCount }} &bull; Via pièces : {{ group.pieceCount }}
-          </div>
-
-          <div v-if="group.directProducts.length" class="space-y-2">
-            <div
-              v-for="product in group.directProducts"
-              :key="product.id || product.name"
-              class="rounded border border-base-200 bg-base-200/60 p-3 text-sm"
-            >
-              <div class="font-medium">{{ product.name }}</div>
-              <div v-if="product.reference" class="text-xs text-gray-500">
-                Référence : {{ product.reference }}
-              </div>
-              <div v-if="product.supplierLabel" class="text-xs text-gray-500">
-                Fournisseurs : {{ product.supplierLabel }}
-              </div>
-              <div v-if="product.priceLabel" class="text-xs text-gray-500">
-                Prix indicatif : {{ product.priceLabel }}
-              </div>
-            </div>
-          </div>
-          <p v-else class="text-xs text-gray-500">
-            Aucune sélection directe. Couverture assurée via composants ou pièces associés.
-          </p>
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup lang="ts">
-import { defineComponent } from 'vue'
-import { summarizeCustomFields } from '~/shared/utils/customFieldUtils'
-
-defineProps<{
-  componentRequirementGroups: any[]
-  pieceRequirementGroups: any[]
-  productRequirementGroups: any[]
-}>()
-
-const SkeletonProductDisplay = defineComponent({
-  name: 'SkeletonProductDisplay',
-  props: {
-    productDisplay: { type: Object, default: null },
-  },
-  template: `
-    <div v-if="productDisplay" class="w-full text-xs text-gray-600 space-y-1">
-      <div><span class="font-medium">Produit :</span> <span>{{ productDisplay.name }}</span></div>
-      <div v-if="productDisplay.category"><span class="font-medium">Catégorie :</span> <span>{{ productDisplay.category }}</span></div>
-      <div v-if="productDisplay.reference"><span class="font-medium">Référence :</span> <span>{{ productDisplay.reference }}</span></div>
-      <div v-if="productDisplay.suppliers"><span class="font-medium">Fournisseurs :</span> <span>{{ productDisplay.suppliers }}</span></div>
-      <div v-if="productDisplay.price"><span class="font-medium">Prix indicatif :</span> <span>{{ productDisplay.price }}</span></div>
-    </div>
-  `,
-})
-</script>
diff --git a/app/components/machine/create/MachineCreatePreview.vue b/app/components/machine/create/MachineCreatePreview.vue
deleted file mode 100644
index b50dcd6..0000000
--- a/app/components/machine/create/MachineCreatePreview.vue
+++ /dev/null
@@ -1,205 +0,0 @@
-<template>
-  <div v-if="preview" class="space-y-4">
-    <div class="border border-base-200 rounded-lg bg-base-100/80">
-      <div class="p-4 space-y-4">
-        <div class="flex items-center justify-between gap-3">
-          <div class="flex items-center gap-2 text-sm font-semibold text-gray-700">
-            <IconLucideEye class="w-4 h-4" aria-hidden="true" />
-            <span>Prévisualisation avant création</span>
-          </div>
-          <span class="badge" :class="getStatusBadgeClass(preview.status)">
-            {{ preview.status === 'ready' ? 'Prête à créer' : preview.status === 'warning' ? 'À compléter' : 'Bloquante' }}
-          </span>
-        </div>
-
-        <div class="grid grid-cols-1 md:grid-cols-2 gap-3">
-          <div
-            v-for="field in preview.base.fields"
-            :key="field.key"
-            class="flex flex-col gap-1"
-          >
-            <span class="text-[11px] uppercase tracking-wide text-gray-500">{{ field.label }}</span>
-            <span
-              class="text-sm font-medium"
-              :class="field.status === 'missing'
-                ? 'text-error'
-                : field.status === 'optional'
-                  ? 'text-gray-500 italic'
-                  : 'text-gray-900'"
-            >
-              {{ field.display }}
-            </span>
-          </div>
-        </div>
-
-        <div class="flex flex-wrap gap-2 text-xs text-gray-500">
-          <span class="badge badge-ghost badge-sm">Type : {{ preview.type.name }}</span>
-          <span v-if="preview.type.category" class="badge badge-ghost badge-sm">Catégorie : {{ preview.type.category }}</span>
-          <span class="badge badge-ghost badge-sm">Structure JSON : {{ preview.type.hasStructuredDefinition ? 'Oui' : 'Legacy' }}</span>
-        </div>
-
-        <!-- Base issues -->
-        <div v-if="preview.base.issues.length" class="rounded-md bg-warning/10 border border-warning/30 p-3 text-xs text-warning">
-          <p class="font-medium mb-1">
-            Informations générales incomplètes :
-          </p>
-          <ul class="space-y-1">
-            <li v-for="issue in preview.base.issues" :key="issue.message">
-              <button
-                type="button"
-                class="flex w-full items-start gap-2 text-left hover:underline"
-                @click="handleIssueClick(issue)"
-              >
-                <span class="mt-0.5 text-[8px] leading-none">&bull;</span>
-                <span>{{ issue.message }}</span>
-              </button>
-            </li>
-          </ul>
-        </div>
-
-        <!-- Component groups -->
-        <div v-if="preview.componentGroups.length" class="space-y-3">
-          <h5 class="text-xs font-semibold uppercase tracking-wide text-gray-500">
-            Composants hérités
-          </h5>
-          <PreviewRequirementGroup
-            v-for="group in preview.componentGroups"
-            :key="group.id"
-            :group="group"
-          />
-        </div>
-        <div v-else class="text-xs text-gray-500">
-          Aucun composant n'est requis pour ce type de machine.
-        </div>
-
-        <!-- Piece groups -->
-        <div v-if="preview.pieceGroups.length" class="space-y-3">
-          <h5 class="text-xs font-semibold uppercase tracking-wide text-gray-500">
-            Pièces associées
-          </h5>
-          <PreviewRequirementGroup
-            v-for="group in preview.pieceGroups"
-            :key="group.id"
-            :group="group"
-          />
-        </div>
-        <div v-else class="text-xs text-gray-500">
-          Aucun groupe de pièces à configurer pour ce type.
-        </div>
-
-        <!-- Product groups -->
-        <div v-if="preview.productGroups.length" class="space-y-3">
-          <h5 class="text-xs font-semibold uppercase tracking-wide text-gray-500">
-            Produits requis
-          </h5>
-          <div
-            v-for="group in preview.productGroups"
-            :key="group.id"
-            :id="`product-group-${group.id}`"
-            class="border border-base-200 rounded-md p-3 space-y-3"
-          >
-            <div class="flex flex-wrap items-start justify-between gap-2">
-              <div>
-                <p class="text-sm font-semibold">
-                  {{ group.label }}
-                </p>
-                <p class="text-xs text-gray-500">
-                  Catégorie : {{ group.typeName }} · Min {{ group.min }} ·
-                  {{ group.max !== null ? `Max ${group.max}` : 'Max ∞' }}
-                </p>
-              </div>
-              <div class="flex flex-wrap items-center gap-2">
-                <span class="badge badge-sm" :class="getStatusBadgeClass(group.status)">
-                  Couverture : {{ group.count }}
-                </span>
-                <span class="badge badge-ghost badge-sm">
-                  Direct {{ group.completed }} / {{ group.total || 0 }}
-                </span>
-              </div>
-            </div>
-
-            <div v-if="group.issues.length" class="rounded bg-warning/10 border border-warning/30 p-2 text-[11px] text-warning">
-              <ul class="list-disc pl-4 space-y-1">
-                <li v-for="issue in group.issues" :key="issue.message">
-                  {{ issue.message }}
-                </li>
-              </ul>
-            </div>
-
-            <ul v-if="group.entries?.length" class="space-y-2">
-              <li
-                v-for="entry in group.entries"
-                :key="entry.key"
-                class="flex items-start gap-3"
-              >
-                <component
-                  :is="entry.status === 'complete' ? IconLucideCheckCircle2 : IconLucideCircle"
-                  class="w-4 h-4 mt-0.5"
-                  :class="entry.status === 'complete' ? 'text-success' : 'text-gray-400'"
-                  aria-hidden="true"
-                />
-                <div class="flex-1">
-                  <p class="text-sm font-medium" :class="entry.status === 'complete' ? 'text-gray-900' : 'text-gray-500'">
-                    {{ entry.title }}
-                  </p>
-                  <p v-if="entry.subtitle" class="text-xs text-gray-500">
-                    {{ entry.subtitle }}
-                  </p>
-                </div>
-              </li>
-            </ul>
-
-            <p v-else class="text-xs text-gray-500">
-              Couverture assurée via composants ou pièces liés.
-            </p>
-          </div>
-        </div>
-
-        <!-- Global issues -->
-        <div
-          v-if="preview.issues.length && preview.status !== 'ready'"
-          class="rounded-md border border-warning/30 bg-warning/10 p-3 text-xs text-warning"
-        >
-          <div class="flex items-start gap-2">
-            <IconLucideAlertTriangle class="w-4 h-4 mt-0.5" aria-hidden="true" />
-            <div class="space-y-1">
-              <p class="font-medium">
-                Points à vérifier avant la création :
-              </p>
-              <ul class="space-y-1">
-                <li v-for="issue in preview.issues" :key="`${issue.scope}-${issue.message}`">
-                  <button
-                    type="button"
-                    class="flex w-full items-start gap-2 text-left hover:underline"
-                    @click="handleIssueClick(issue)"
-                  >
-                    <span class="mt-0.5 text-[8px] leading-none">&bull;</span>
-                    <span>
-                      <span class="font-medium">{{ issue.scope }} :</span> {{ issue.message }}
-                    </span>
-                  </button>
-                </li>
-              </ul>
-            </div>
-          </div>
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup lang="ts">
-import {
-  getStatusBadgeClass,
-  handleIssueClick,
-} from '~/composables/useMachineCreatePreview'
-import PreviewRequirementGroup from './PreviewRequirementGroup.vue'
-import IconLucideEye from '~icons/lucide/eye'
-import IconLucideAlertTriangle from '~icons/lucide/alert-triangle'
-import IconLucideCheckCircle2 from '~icons/lucide/check-circle-2'
-import IconLucideCircle from '~icons/lucide/circle'
-
-defineProps<{
-  preview: any
-}>()
-</script>
diff --git a/app/components/machine/create/PreviewRequirementGroup.vue b/app/components/machine/create/PreviewRequirementGroup.vue
deleted file mode 100644
index 69013a2..0000000
--- a/app/components/machine/create/PreviewRequirementGroup.vue
+++ /dev/null
@@ -1,59 +0,0 @@
-<template>
-  <div class="border border-base-200 rounded-md p-3 space-y-3">
-    <div class="flex flex-wrap items-start justify-between gap-2">
-      <div>
-        <p class="text-sm font-semibold">
-          {{ group.label }}
-        </p>
-        <p class="text-xs text-gray-500">
-          Type : {{ group.typeName }} · Min {{ group.min }} ·
-          {{ group.max !== null ? `Max ${group.max}` : 'Max ∞' }}
-        </p>
-      </div>
-      <span class="badge badge-sm" :class="getStatusBadgeClass(group.status)">
-        {{ group.completed }} / {{ group.total || 0 }} complétée(s)
-      </span>
-    </div>
-
-    <div v-if="group.issues.length" class="rounded bg-warning/10 border border-warning/30 p-2 text-[11px] text-warning">
-      <ul class="list-disc pl-4 space-y-1">
-        <li v-for="issue in group.issues" :key="issue.message">
-          {{ issue.message }}
-        </li>
-      </ul>
-    </div>
-
-    <ul class="space-y-2">
-      <li
-        v-for="entry in group.entries"
-        :key="entry.key"
-        class="flex items-start gap-3"
-      >
-        <component
-          :is="entry.status === 'complete' ? IconLucideCheckCircle2 : IconLucideCircle"
-          class="w-4 h-4 mt-0.5"
-          :class="entry.status === 'complete' ? 'text-success' : 'text-gray-400'"
-          aria-hidden="true"
-        />
-        <div class="flex-1">
-          <p class="text-sm font-medium" :class="entry.status === 'complete' ? 'text-gray-900' : 'text-gray-500'">
-            {{ entry.title }}
-          </p>
-          <p v-if="entry.subtitle" class="text-xs text-gray-500">
-            {{ entry.subtitle }}
-          </p>
-        </div>
-      </li>
-    </ul>
-  </div>
-</template>
-
-<script setup lang="ts">
-import { getStatusBadgeClass } from '~/composables/useMachineCreatePreview'
-import IconLucideCheckCircle2 from '~icons/lucide/check-circle-2'
-import IconLucideCircle from '~icons/lucide/circle'
-
-defineProps<{
-  group: any
-}>()
-</script>
diff --git a/app/components/machine/create/RequirementComponentSelector.vue b/app/components/machine/create/RequirementComponentSelector.vue
deleted file mode 100644
index 0f5a157..0000000
--- a/app/components/machine/create/RequirementComponentSelector.vue
+++ /dev/null
@@ -1,126 +0,0 @@
-<template>
-  <div v-if="requirements?.length" class="space-y-4">
-    <h4 class="text-sm font-semibold">
-      Sélection des composants
-    </h4>
-
-    <div
-      v-for="requirement in requirements"
-      :id="`component-group-${requirement.id}`"
-      :key="requirement.id"
-      class="border border-base-200 rounded-lg p-4 space-y-3"
-    >
-      <div class="flex flex-wrap items-start justify-between gap-3">
-        <div>
-          <h5 class="font-medium text-sm">
-            {{ requirement.label || requirement.typeComposant?.name || 'Famille de composants' }}
-          </h5>
-          <p class="text-xs text-gray-500">
-            Type : {{ requirement.typeComposant?.name || 'Non défini' }} · Min : {{ requirement.minCount ?? (requirement.required ? 1 : 0) }}
-            · Max : {{ requirement.maxCount ?? '∞' }}
-          </p>
-        </div>
-
-        <button
-          type="button"
-          class="btn btn-sm btn-outline"
-          :disabled="requirement.maxCount !== null && getEntries(requirement.id).length >= requirement.maxCount"
-          @click="$emit('add-entry', requirement)"
-        >
-          <IconLucidePlus class="w-4 h-4 mr-2" aria-hidden="true" />
-          Ajouter
-        </button>
-      </div>
-
-      <div v-if="getEntries(requirement.id).length === 0" class="text-xs text-gray-500">
-        Aucun composant sélectionné pour ce groupe.
-      </div>
-
-      <div
-        v-for="(entry, entryIndex) in getEntries(requirement.id)"
-        :key="`${requirement.id}-${entryIndex}`"
-        class="bg-base-200/60 rounded-md p-3 space-y-4"
-      >
-        <div class="flex flex-wrap items-center justify-between gap-2 text-xs text-gray-500">
-          <span>
-            Type appliqué :
-            {{ resolveTypeLabel(requirement, entry) }}
-          </span>
-          <button
-            type="button"
-            class="btn btn-square btn-xs btn-error"
-            @click="$emit('remove-entry', requirement.id, entryIndex)"
-          >
-            <IconLucideX class="w-4 h-4" aria-hidden="true" />
-          </button>
-        </div>
-
-        <div class="grid grid-cols-1 gap-3">
-          <div class="space-y-2">
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text text-xs">Composant existant</span>
-              </label>
-              <SearchSelect
-                :model-value="entry.composantId || ''"
-                :options="getOptions(requirement, entry)"
-                :loading="loading"
-                size="sm"
-                placeholder="Rechercher un composant…"
-                empty-text="Aucun composant disponible"
-                :option-label="optionLabel"
-                :option-description="optionDescription"
-                @update:modelValue="$emit('set-component', requirement, entryIndex, $event || '')"
-              />
-            </div>
-            <p
-              v-if="getOptions(requirement, entry).length === 0"
-              class="text-xs text-error"
-            >
-              Aucun composant disponible pour cette famille.
-            </p>
-          </div>
-
-          <div
-            v-if="entry.composantId"
-            class="bg-base-300/60 rounded-md p-3 text-xs text-gray-600 space-y-1"
-          >
-            <div class="font-medium">
-              {{ findById(entry.composantId)?.name || "Composant" }}
-            </div>
-            <div>
-              Référence : {{ findById(entry.composantId)?.reference || "—" }}
-            </div>
-            <div>
-              Fournisseur :
-              {{ findById(entry.composantId)?.constructeur?.name || findById(entry.composantId)?.constructeurName || "—" }}
-            </div>
-          </div>
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup lang="ts">
-import SearchSelect from '~/components/common/SearchSelect.vue'
-import IconLucidePlus from '~icons/lucide/plus'
-import IconLucideX from '~icons/lucide/x'
-
-defineProps<{
-  requirements: any[]
-  loading: boolean
-  getEntries: (requirementId: string) => any[]
-  getOptions: (requirement: any, entry: any) => any[]
-  resolveTypeLabel: (requirement: any, entry: any) => string
-  findById: (id: string) => any
-  optionLabel: (item: any) => string
-  optionDescription: (item: any) => string
-}>()
-
-defineEmits<{
-  'add-entry': [requirement: any]
-  'remove-entry': [requirementId: string, entryIndex: number]
-  'set-component': [requirement: any, entryIndex: number, componentId: string]
-}>()
-</script>
diff --git a/app/components/machine/create/RequirementPieceSelector.vue b/app/components/machine/create/RequirementPieceSelector.vue
deleted file mode 100644
index 8b0952e..0000000
--- a/app/components/machine/create/RequirementPieceSelector.vue
+++ /dev/null
@@ -1,130 +0,0 @@
-<template>
-  <div v-if="requirements?.length" class="space-y-4">
-    <h4 class="text-sm font-semibold">
-      Sélection des pièces principales
-    </h4>
-
-    <div
-      v-for="requirement in requirements"
-      :id="`piece-group-${requirement.id}`"
-      :key="requirement.id"
-      class="border border-base-200 rounded-lg p-4 space-y-3"
-    >
-      <div class="flex flex-wrap items-start justify-between gap-3">
-        <div>
-          <h5 class="font-medium text-sm">
-            {{ requirement.label || requirement.typePiece?.name || 'Groupe de pièces' }}
-          </h5>
-          <p class="text-xs text-gray-500">
-            Type : {{ requirement.typePiece?.name || 'Non défini' }} · Min : {{ requirement.minCount ?? (requirement.required ? 1 : 0) }}
-            · Max : {{ requirement.maxCount ?? '∞' }}
-          </p>
-        </div>
-
-        <button
-          type="button"
-          class="btn btn-sm btn-outline"
-          :disabled="requirement.maxCount !== null && getEntries(requirement.id).length >= requirement.maxCount"
-          @click="$emit('add-entry', requirement)"
-        >
-          <IconLucidePlus class="w-4 h-4 mr-2" aria-hidden="true" />
-          Ajouter
-        </button>
-      </div>
-
-      <div v-if="getEntries(requirement.id).length === 0" class="text-xs text-gray-500">
-        Aucune pièce sélectionnée pour ce groupe.
-      </div>
-
-      <div
-        v-for="(entry, entryIndex) in getEntries(requirement.id)"
-        :key="`${requirement.id}-piece-${entryIndex}`"
-        class="bg-base-200/60 rounded-md p-3 space-y-4"
-      >
-        <div class="flex flex-wrap items-center justify-between gap-2 text-xs text-gray-500">
-          <span>
-            Type appliqué :
-            {{ resolveTypeLabel(requirement, entry) }}
-          </span>
-          <button
-            type="button"
-            class="btn btn-square btn-xs btn-error"
-            @click="$emit('remove-entry', requirement.id, entryIndex)"
-          >
-            <IconLucideX class="w-4 h-4" aria-hidden="true" />
-          </button>
-        </div>
-
-        <div class="grid grid-cols-1 gap-3">
-          <div class="space-y-2">
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text text-xs">Pièce existante</span>
-              </label>
-              <SearchSelect
-                :model-value="entry.pieceId || ''"
-                :options="getOptions(requirement, entry, entryIndex)"
-                :loading="loading || pieceLoadingByKey[getPieceKey(requirement, entryIndex)]"
-                size="sm"
-                placeholder="Rechercher une pièce…"
-                empty-text="Aucune pièce disponible"
-                :option-label="optionLabel"
-                :option-description="optionDescription"
-                @search="(term: string) => $emit('search', requirement, entryIndex, term)"
-                @update:modelValue="$emit('set-piece', requirement, entryIndex, $event || '')"
-              />
-            </div>
-            <p
-              v-if="getOptions(requirement, entry, entryIndex).length === 0"
-              class="text-xs text-error"
-            >
-              Aucune pièce disponible pour cette famille.
-            </p>
-          </div>
-
-          <div
-            v-if="entry.pieceId"
-            class="bg-base-300/60 rounded-md p-3 text-xs text-gray-600 space-y-1"
-          >
-            <div class="font-medium">
-              {{ findById(entry.pieceId)?.name || "Pièce" }}
-            </div>
-            <div>
-              Référence : {{ findById(entry.pieceId)?.reference || "—" }}
-            </div>
-            <div>
-              Fournisseur :
-              {{ findById(entry.pieceId)?.constructeur?.name || findById(entry.pieceId)?.constructeurName || "—" }}
-            </div>
-          </div>
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup lang="ts">
-import SearchSelect from '~/components/common/SearchSelect.vue'
-import IconLucidePlus from '~icons/lucide/plus'
-import IconLucideX from '~icons/lucide/x'
-
-defineProps<{
-  requirements: any[]
-  loading: boolean
-  pieceLoadingByKey: Record<string, boolean>
-  getEntries: (requirementId: string) => any[]
-  getOptions: (requirement: any, entry: any, entryIndex: number) => any[]
-  getPieceKey: (requirement: any, entryIndex: number) => string
-  resolveTypeLabel: (requirement: any, entry: any) => string
-  findById: (id: string) => any
-  optionLabel: (item: any) => string
-  optionDescription: (item: any) => string
-}>()
-
-defineEmits<{
-  'add-entry': [requirement: any]
-  'remove-entry': [requirementId: string, entryIndex: number]
-  'set-piece': [requirement: any, entryIndex: number, pieceId: string]
-  'search': [requirement: any, entryIndex: number, term: string]
-}>()
-</script>
diff --git a/app/components/machine/create/RequirementProductSelector.vue b/app/components/machine/create/RequirementProductSelector.vue
deleted file mode 100644
index 5c5e026..0000000
--- a/app/components/machine/create/RequirementProductSelector.vue
+++ /dev/null
@@ -1,142 +0,0 @@
-<template>
-  <div v-if="requirements?.length" class="space-y-4">
-    <h4 class="text-sm font-semibold">
-      Produits catalogue requis
-    </h4>
-
-    <div
-      v-for="requirement in requirements"
-      :id="`product-group-${requirement.id}`"
-      :key="requirement.id"
-      class="border border-base-200 rounded-lg p-4 space-y-3"
-    >
-      <div class="flex flex-wrap items-start justify-between gap-3">
-        <div class="space-y-1">
-          <h5 class="font-medium text-sm">
-            {{ requirement.label || requirement.typeProduct?.name || 'Groupe de produits' }}
-          </h5>
-          <p class="text-xs text-gray-500">
-            Catégorie : {{ requirement.typeProduct?.name || 'Non définie' }} · Min : {{ requirement.minCount ?? (requirement.required ? 1 : 0) }}
-            · Max : {{ requirement.maxCount ?? '∞' }}
-          </p>
-          <p
-            v-if="(requirement.allowNewModels ?? true) === false"
-            class="text-xs text-error"
-          >
-            Sélection de produits existants uniquement.
-          </p>
-        </div>
-
-        <button
-          type="button"
-          class="btn btn-sm btn-outline"
-          :disabled="requirement.maxCount !== null && getEntries(requirement.id).length >= requirement.maxCount"
-          @click="$emit('add-entry', requirement)"
-        >
-          <IconLucidePlus class="w-4 h-4 mr-2" aria-hidden="true" />
-          Ajouter
-        </button>
-      </div>
-
-      <div v-if="getEntries(requirement.id).length === 0" class="text-xs text-gray-500">
-        Aucun produit sélectionné pour ce groupe.
-      </div>
-
-      <div
-        v-for="(entry, entryIndex) in getEntries(requirement.id)"
-        :key="`${requirement.id}-product-${entryIndex}`"
-        class="bg-base-200/60 rounded-md p-3 space-y-4"
-      >
-        <div class="flex flex-wrap items-center justify-between gap-2 text-xs text-gray-500">
-          <span>
-            Catégorie appliquée :
-            {{ requirement.typeProduct?.name || 'Non définie' }}
-          </span>
-          <button
-            type="button"
-            class="btn btn-square btn-xs btn-error"
-            @click="$emit('remove-entry', requirement.id, entryIndex)"
-          >
-            <IconLucideX class="w-4 h-4" aria-hidden="true" />
-          </button>
-        </div>
-
-        <div class="grid grid-cols-1 gap-3">
-          <div class="space-y-2">
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text text-xs">Produit existant</span>
-              </label>
-              <ProductSelect
-                :model-value="entry.productId || ''"
-                :type-product-id="requirement.typeProductId || requirement.typeProduct?.id || null"
-                :placeholder="productsLoading ? 'Chargement…' : 'Sélectionner un produit…'"
-                empty-text="Aucun produit disponible pour cette catégorie"
-                :disabled="productsLoading"
-                @update:modelValue="$emit('set-product', requirement, entryIndex, $event || '')"
-              />
-            </div>
-            <p
-              v-if="!productsLoading && getProductOptions(requirement).length === 0"
-              class="text-xs text-error"
-            >
-              Aucun produit existant pour cette catégorie. Créez-en un depuis le catalogue.
-            </p>
-          </div>
-
-          <div
-            v-if="entry.productId"
-            class="bg-base-300/60 rounded-md p-3 text-xs text-gray-600 space-y-1"
-          >
-            <div class="font-medium">
-              {{ findById(entry.productId)?.name || 'Produit' }}
-            </div>
-            <div>
-              Référence : {{ findById(entry.productId)?.reference || "—" }}
-            </div>
-            <div>
-              Prix indicatif :
-              <span
-                v-if="findById(entry.productId)?.supplierPrice !== undefined && findById(entry.productId)?.supplierPrice !== null"
-              >
-                {{ Number(findById(entry.productId)?.supplierPrice).toFixed(2) }} €
-              </span>
-              <span v-else>
-                —
-              </span>
-            </div>
-            <div>
-              Fournisseurs :
-              <span v-if="findById(entry.productId)?.constructeurs?.length">
-                {{ findById(entry.productId)?.constructeurs.map((constructeur: any) => constructeur?.name).filter(Boolean).join(', ') }}
-              </span>
-              <span v-else>
-                —
-              </span>
-            </div>
-          </div>
-        </div>
-      </div>
-    </div>
-  </div>
-</template>
-
-<script setup lang="ts">
-import ProductSelect from '~/components/ProductSelect.vue'
-import IconLucidePlus from '~icons/lucide/plus'
-import IconLucideX from '~icons/lucide/x'
-
-defineProps<{
-  requirements: any[]
-  productsLoading: boolean
-  getEntries: (requirementId: string) => any[]
-  getProductOptions: (requirement: any) => any[]
-  findById: (id: string) => any
-}>()
-
-defineEmits<{
-  'add-entry': [requirement: any]
-  'remove-entry': [requirementId: string, entryIndex: number]
-  'set-product': [requirement: any, entryIndex: number, productId: string]
-}>()
-</script>
diff --git a/app/composables/useMachineCreatePage.ts b/app/composables/useMachineCreatePage.ts
index 6db7a74..5bf49b7 100644
--- a/app/composables/useMachineCreatePage.ts
+++ b/app/composables/useMachineCreatePage.ts
@@ -1,47 +1,23 @@
 /**
  * Machine creation page – orchestration composable.
  *
- * Consolidates entity lookup maps, option filters, label helpers,
- * template wrappers, and the finalization logic that were previously
- * inlined in pages/machines/new.vue.
+ * Simplified: no more TypeMachine / skeleton system.
+ * Supports direct creation or cloning from an existing machine.
  */
 
-import { ref, reactive, computed, watch, onMounted } from 'vue'
+import { ref, reactive, onMounted } from 'vue'
 import { useMachines } from '~/composables/useMachines'
 import { useSites } from '~/composables/useSites'
-import { useMachineTypesApi } from '~/composables/useMachineTypesApi'
-import { useComposants } from '~/composables/useComposants'
-import { usePieces } from '~/composables/usePieces'
-import { useProducts } from '~/composables/useProducts'
-import { useApi } from '~/composables/useApi'
 import { useToast } from '~/composables/useToast'
 import { humanizeError } from '~/shared/utils/errorMessages'
-import { useMachineCreateSelections } from '~/composables/useMachineCreateSelections'
-import {
-  useMachineCreatePreview,
-  validateRequirementSelections as _validateRequirementSelections,
-  resolveComponentRequirementTypeLabel as _resolveComponentRequirementTypeLabel,
-  resolvePieceRequirementTypeLabel as _resolvePieceRequirementTypeLabel,
-} from '~/composables/useMachineCreatePreview'
-import {
-  getComponentMachineAssignments,
-  getPieceMachineAssignments,
-  getPieceComponentAssignments,
-  formatAssignmentList,
-} from '~/shared/utils/assignmentUtils'
 
 export function useMachineCreatePage() {
   // ---------------------------------------------------------------------------
   // Composable calls
   // ---------------------------------------------------------------------------
 
-  const { createMachine, createMachineFromType, reconfigureSkeleton, addMissingCustomFields, deleteMachine } = useMachines()
+  const { machines, loadMachines, createMachine, cloneMachine } = useMachines()
   const { sites, loadSites } = useSites()
-  const { machineTypes, loadMachineTypes, loading: machineTypesLoading } = useMachineTypesApi()
-  const { composants, loadComposants, loading: composantsLoading } = useComposants()
-  const { pieces, loadPieces, loading: piecesLoading } = usePieces()
-  const { products, loadProducts, loading: productsLoading } = useProducts()
-  const { get } = useApi()
   const toast = useToast()
 
   // ---------------------------------------------------------------------------
@@ -49,322 +25,60 @@ export function useMachineCreatePage() {
   // ---------------------------------------------------------------------------
 
   const submitting = ref(false)
+  const loading = ref(true)
 
   const newMachine = reactive({
     name: '',
     siteId: '',
-    typeMachineId: '',
     reference: '',
+    cloneFromMachineId: '',
   })
 
-  const selectedMachineType = computed(() => {
-    if (!newMachine.typeMachineId) return null
-    return (machineTypes as any).value.find((type: any) => type.id === newMachine.typeMachineId) || null
-  })
-
-  // ---------------------------------------------------------------------------
-  // Entity lookup maps
-  // ---------------------------------------------------------------------------
-
-  const componentById = computed(() => {
-    const map = new Map()
-    ;((composants as any).value || []).forEach((component: any) => {
-      if (component?.id) map.set(component.id, component)
-    })
-    return map
-  })
-
-  const pieceById = computed(() => {
-    const map = new Map()
-    ;((pieces as any).value || []).forEach((piece: any) => {
-      if (piece?.id) map.set(piece.id, piece)
-    })
-    return map
-  })
-
-  const componentInventory = computed(() => (composants as any).value || [])
-  const pieceInventory = computed(() => (pieces as any).value || [])
-  const productInventory = computed(() => (products as any).value || [])
-
-  const productById = computed(() => {
-    const map = new Map()
-    ;(productInventory.value || []).forEach((product: any) => {
-      if (product?.id) map.set(product.id, product)
-    })
-    return map
-  })
-
-  // ---------------------------------------------------------------------------
-  // Entity finders
-  // ---------------------------------------------------------------------------
-
-  const findComponentById = (id: string) => {
-    if (!id) return null
-    return componentById.value.get(id) || null
-  }
-
-  const findPieceById = (id: string): any => {
-    if (!id) return null
-    return pieceById.value.get(id) || findPieceInCachedOptions(id) || null
-  }
-
-  const findProductById = (id: string) => {
-    if (!id) return null
-    return productById.value.get(id) || null
-  }
-
-  // ---------------------------------------------------------------------------
-  // Selection state (from composable)
-  // ---------------------------------------------------------------------------
-
-  const {
-    pieceOptionsByKey,
-    pieceLoadingByKey,
-    selectedPieceIds,
-    getPieceKey,
-    findPieceInCachedOptions,
-    fetchPieceOptions,
-    getComponentRequirementEntries,
-    getPieceRequirementEntries,
-    getProductRequirementEntries,
-    addComponentSelectionEntry,
-    removeComponentSelectionEntry,
-    addPieceSelectionEntry,
-    removePieceSelectionEntry,
-    addProductSelectionEntry,
-    removeProductSelectionEntry,
-    setComponentRequirementComponent,
-    setPieceRequirementPiece,
-    setProductRequirementProduct: _setProductRequirementProduct,
-    clearRequirementSelections,
-    initializeRequirementSelections,
-  } = useMachineCreateSelections({
-    findComponentById,
-    findPieceById,
-    pieces: pieces as any,
-    get: get as any,
-    toast,
-  })
-
-  // ---------------------------------------------------------------------------
-  // Preview / validation (from composable)
-  // ---------------------------------------------------------------------------
-
-  const { machinePreview, blockingPreviewIssues, canCreateMachine } = useMachineCreatePreview({
-    newMachine,
-    sites: sites as any,
-    selectedMachineType,
-    findComponentById,
-    findPieceById,
-    findProductById,
-    getComponentRequirementEntries,
-    getPieceRequirementEntries,
-    getProductRequirementEntries,
-  })
-
-  // ---------------------------------------------------------------------------
-  // Template wrappers
-  // ---------------------------------------------------------------------------
-
-  const resolveComponentRequirementTypeLabel = (requirement: any, entry: any) =>
-    _resolveComponentRequirementTypeLabel(requirement, entry, findComponentById)
-
-  const resolvePieceRequirementTypeLabel = (requirement: any, entry: any) =>
-    _resolvePieceRequirementTypeLabel(requirement, entry, findPieceById)
-
-  const setProductRequirementProduct = (requirement: any, index: number, productId: string) =>
-    _setProductRequirementProduct(requirement, index, productId, findProductById)
-
-  const validateRequirementSelections = (type: any) =>
-    _validateRequirementSelections(type, {
-      newMachine,
-      sites: sites as any,
-      selectedMachineType,
-      findComponentById,
-      findPieceById,
-      findProductById,
-      getComponentRequirementEntries,
-      getPieceRequirementEntries,
-      getProductRequirementEntries,
-    })
-
-  // ---------------------------------------------------------------------------
-  // Machine type helpers
-  // ---------------------------------------------------------------------------
-
-  const machineTypeLabel = (type: any) => {
-    if (!type) return ''
-    return type.name || 'Type de machine'
-  }
-
-  const machineTypeDescription = (type: any) => {
-    if (!type) return ''
-    const parts: string[] = []
-    if (type.category) parts.push(`Catégorie : ${type.category}`)
-    const componentCount = type.componentRequirements?.length ?? 0
-    const pieceCount = type.pieceRequirements?.length ?? 0
-    const productCount = type.productRequirements?.length ?? 0
-    parts.push(
-      `${componentCount} composant(s)`,
-      `${pieceCount} pièce(s)`,
-      `${productCount} produit(s)`,
-    )
-    return parts.join(' • ')
-  }
-
-  // ---------------------------------------------------------------------------
-  // Option filters
-  // ---------------------------------------------------------------------------
-
-  const getComponentOptions = (requirement: any, currentEntry: any) => {
-    const requirementTypeId = requirement?.typeComposantId || requirement?.typeComposant?.id || null
-    return componentInventory.value.filter((component: any) => {
-      if (!component?.id) return false
-      if (requirementTypeId && component.typeComposantId !== requirementTypeId) {
-        return currentEntry?.composantId === component.id
-      }
-      return true
-    })
-  }
-
-  const getPieceOptions = (requirement: any, currentEntry: any, entryIndex: number) => {
-    const key = getPieceKey(requirement, entryIndex)
-    const cached = pieceOptionsByKey.value[key]
-    if (cached) return cached
-    const requirementTypeId = requirement?.typePieceId || requirement?.typePiece?.id || null
-    const usedIds = new Set(
-      selectedPieceIds.value.filter((id: any) => id && (!currentEntry || id !== currentEntry.pieceId)),
-    )
-    return pieceInventory.value.filter((piece: any) => {
-      if (requirementTypeId && piece.typePieceId !== requirementTypeId) return false
-      if (!piece.id) return false
-      if (currentEntry?.pieceId === piece.id) return true
-      return !usedIds.has(piece.id)
-    })
-  }
-
-  const getProductOptions = (requirement: any) => {
-    const requirementTypeId = requirement?.typeProductId || requirement?.typeProduct?.id || null
-    return productInventory.value.filter((product: any) => {
-      if (!product?.id) return false
-      if (!requirementTypeId) return true
-      const productTypeId = product.typeProductId || product.typeProduct?.id || null
-      return productTypeId === requirementTypeId
-    })
-  }
-
-  // ---------------------------------------------------------------------------
-  // Option label / description helpers
-  // ---------------------------------------------------------------------------
-
-  const componentOptionLabel = (component: any) => component?.name || 'Composant'
-
-  const componentOptionDescription = (component: any) => {
-    if (!component) return ''
-    const parts: string[] = []
-    if (component.reference) parts.push(`Réf. ${component.reference}`)
-    const constructeurName = component.constructeur?.name || component.constructeurName
-    if (constructeurName) parts.push(constructeurName)
-    const machineAssignments = getComponentMachineAssignments(component)
-    if (machineAssignments.length) parts.push(`Machines: ${formatAssignmentList(machineAssignments)}`)
-    const productTypeName = component.product?.typeProduct?.name
-    const productLabel = component.product?.name || component.product?.reference
-    if (productTypeName || productLabel) parts.push(`Produit: ${productTypeName || productLabel}`)
-    return parts.join(' • ')
-  }
-
-  const pieceOptionLabel = (piece: any) => piece?.name || 'Pièce'
-
-  const pieceOptionDescription = (piece: any) => {
-    if (!piece) return ''
-    const parts: string[] = []
-    if (piece.reference) parts.push(`Réf. ${piece.reference}`)
-    const constructeurName = piece.constructeur?.name || piece.constructeurName
-    if (constructeurName) parts.push(constructeurName)
-    const machineAssignments = getPieceMachineAssignments(piece)
-    if (machineAssignments.length) parts.push(`Machines: ${formatAssignmentList(machineAssignments)}`)
-    const componentAssignments = getPieceComponentAssignments(piece)
-    if (componentAssignments.length) parts.push(`Composants: ${formatAssignmentList(componentAssignments)}`)
-    const productTypeName = piece.product?.typeProduct?.name
-    const productLabel = piece.product?.name || piece.product?.reference
-    if (productTypeName || productLabel) parts.push(`Produit: ${productTypeName || productLabel}`)
-    return parts.join(' • ')
-  }
-
   // ---------------------------------------------------------------------------
   // Machine creation
   // ---------------------------------------------------------------------------
 
   const finalizeMachineCreation = async () => {
     if (submitting.value) return
-    const type = selectedMachineType.value
-    if (!type) {
-      toast.showError('Merci de sélectionner un type de machine')
-      return
-    }
-    if (!canCreateMachine.value) {
-      toast.showError('Compléter les informations obligatoires avant de créer la machine')
+
+    if (!newMachine.name?.trim()) {
+      toast.showError('Merci de renseigner un nom pour la machine')
       return
     }
 
     submitting.value = true
     try {
-      const baseMachineData = {
-        name: newMachine.name,
-        siteId: newMachine.siteId,
-        reference: newMachine.reference,
-        typeMachineId: type.id,
+      let result: any
+
+      if (newMachine.cloneFromMachineId) {
+        result = await cloneMachine(newMachine.cloneFromMachineId, {
+          name: newMachine.name,
+          siteId: newMachine.siteId,
+          ...(newMachine.reference ? { reference: newMachine.reference } : {}),
+        })
+      } else {
+        result = await createMachine({
+          name: newMachine.name,
+          siteId: newMachine.siteId || undefined,
+          reference: newMachine.reference || undefined,
+        } as any)
       }
 
-      const hasRequirements =
-        (type.componentRequirements?.length || 0) > 0 ||
-        (type.pieceRequirements?.length || 0) > 0 ||
-        (type.productRequirements?.length || 0) > 0
-
-      let componentLinks: any[] = []
-      let pieceLinks: any[] = []
-      let productLinks: any[] = []
-
-      if (hasRequirements) {
-        const validationResult = validateRequirementSelections(type)
-        if (!validationResult.valid) {
-          toast.showError(validationResult.error as string)
-          return
-        }
-        componentLinks = validationResult.componentLinks as any[]
-        pieceLinks = validationResult.pieceLinks as any[]
-        productLinks = validationResult.productLinks as any[]
-      }
-
-      const result: any = hasRequirements
-        ? await createMachine(baseMachineData as any)
-        : await createMachineFromType(baseMachineData as any, type)
-
       if (result.success) {
         const machineId = result.data?.id
-        if (hasRequirements && machineId) {
-          const skeletonResult: any = await reconfigureSkeleton(machineId, {
-            componentLinks,
-            pieceLinks,
-            productLinks,
-          } as any)
-          if (!skeletonResult.success) {
-            // Rollback: delete the orphaned machine
-            await deleteMachine(machineId).catch(() => {})
-            toast.showError(skeletonResult.error || 'Impossible d\'enregistrer les pièces/composants. La machine n\'a pas été créée.')
-            return
-          }
-        }
-        // Initialize custom fields for the machine type
-        if (machineId) {
-          await addMissingCustomFields(machineId, { showToast: false }).catch(() => {})
-        }
+          || (result.data?.machine as any)?.id
+          || null
+
         newMachine.name = ''
         newMachine.siteId = ''
-        newMachine.typeMachineId = ''
         newMachine.reference = ''
-        clearRequirementSelections()
-        await navigateTo('/machines')
+        newMachine.cloneFromMachineId = ''
+
+        if (machineId) {
+          await navigateTo(`/machine/${machineId}`)
+        } else {
+          await navigateTo('/machines')
+        }
       } else if (result.error) {
         toast.showError(`Impossible de créer la machine : ${humanizeError(result.error)}`)
       }
@@ -376,28 +90,19 @@ export function useMachineCreatePage() {
   }
 
   // ---------------------------------------------------------------------------
-  // Watchers & lifecycle
+  // Lifecycle
   // ---------------------------------------------------------------------------
 
-  watch(
-    () => newMachine.typeMachineId,
-    (typeId) => {
-      clearRequirementSelections()
-      if (!typeId) return
-      const type = (machineTypes as any).value.find((item: any) => item.id === typeId)
-      if (!type) return
-      initializeRequirementSelections(type)
-    },
-  )
-
   onMounted(async () => {
-    await Promise.all([
-      loadSites(),
-      loadMachineTypes(),
-      loadComposants({ itemsPerPage: 200, force: true }),
-      loadPieces({ itemsPerPage: 200, force: true }),
-      loadProducts({ itemsPerPage: 200, force: true }),
-    ])
+    loading.value = true
+    try {
+      await Promise.all([
+        loadSites(),
+        loadMachines(),
+      ])
+    } finally {
+      loading.value = false
+    }
   })
 
   // ---------------------------------------------------------------------------
@@ -406,59 +111,11 @@ export function useMachineCreatePage() {
 
   return {
     // State
-    submitting,
     newMachine,
     sites,
-    machineTypes,
-    machineTypesLoading,
-    composantsLoading,
-    piecesLoading,
-    productsLoading,
-    selectedMachineType,
-
-    // Selection state
-    pieceLoadingByKey,
-    getPieceKey,
-    fetchPieceOptions,
-    getComponentRequirementEntries,
-    getPieceRequirementEntries,
-    getProductRequirementEntries,
-    addComponentSelectionEntry,
-    removeComponentSelectionEntry,
-    addPieceSelectionEntry,
-    removePieceSelectionEntry,
-    addProductSelectionEntry,
-    removeProductSelectionEntry,
-    setComponentRequirementComponent,
-    setPieceRequirementPiece,
-    setProductRequirementProduct,
-
-    // Preview
-    machinePreview,
-    blockingPreviewIssues,
-    canCreateMachine,
-
-    // Entity finders
-    findComponentById,
-    findPieceById,
-    findProductById,
-
-    // Options
-    getComponentOptions,
-    getPieceOptions,
-    getProductOptions,
-
-    // Label helpers
-    machineTypeLabel,
-    machineTypeDescription,
-    componentOptionLabel,
-    componentOptionDescription,
-    pieceOptionLabel,
-    pieceOptionDescription,
-
-    // Type label resolvers
-    resolveComponentRequirementTypeLabel,
-    resolvePieceRequirementTypeLabel,
+    machines,
+    submitting,
+    loading,
 
     // Actions
     finalizeMachineCreation,
diff --git a/app/composables/useMachineCreatePreview.ts b/app/composables/useMachineCreatePreview.ts
deleted file mode 100644
index 161e02c..0000000
--- a/app/composables/useMachineCreatePreview.ts
+++ /dev/null
@@ -1,572 +0,0 @@
-/**
- * Machine creation – preview computation and validation.
- *
- * Extracted from pages/machines/new.vue. Builds the live preview model
- * and validates requirement selections before machine creation.
- */
-
-import { computed, type Ref, type ComputedRef } from 'vue'
-import { sanitizeDefinitionOverrides } from '~/shared/modelUtils'
-import { extractParentLinkIdentifiers } from '~/shared/utils/productDisplayUtils'
-import {
-  getComponentMachineAssignments,
-  getPieceMachineAssignments,
-  getPieceComponentAssignments,
-  formatAssignmentList,
-} from '~/shared/utils/assignmentUtils'
-
-type AnyRecord = Record<string, unknown>
-
-export interface MachineCreatePreviewDeps {
-  newMachine: { name: string; siteId: string; typeMachineId: string; reference: string }
-  sites: Ref<AnyRecord[]>
-  selectedMachineType: ComputedRef<AnyRecord | null>
-  findComponentById: (id: string) => AnyRecord | null
-  findPieceById: (id: string) => AnyRecord | null
-  findProductById: (id: string) => AnyRecord | null
-  getComponentRequirementEntries: (requirementId: string) => AnyRecord[]
-  getPieceRequirementEntries: (requirementId: string) => AnyRecord[]
-  getProductRequirementEntries: (requirementId: string) => AnyRecord[]
-}
-
-// ---------------------------------------------------------------------------
-// Product type ID extractors
-// ---------------------------------------------------------------------------
-
-const getProductTypeIdFromComponent = (component: AnyRecord | null): string | null => {
-  if (!component || typeof component !== 'object') return null
-  return (
-    (component.product as AnyRecord)?.typeProductId ||
-    ((component.product as AnyRecord)?.typeProduct as AnyRecord)?.id ||
-    component.productTypeId ||
-    null
-  ) as string | null
-}
-
-const getProductTypeIdFromPiece = (piece: AnyRecord | null): string | null => {
-  if (!piece || typeof piece !== 'object') return null
-  return (
-    (piece.product as AnyRecord)?.typeProductId ||
-    ((piece.product as AnyRecord)?.typeProduct as AnyRecord)?.id ||
-    piece.productTypeId ||
-    null
-  ) as string | null
-}
-
-// ---------------------------------------------------------------------------
-// Status badge helper
-// ---------------------------------------------------------------------------
-
-export const getStatusBadgeClass = (status: string): string => {
-  if (status === 'ready') return 'badge-success'
-  if (status === 'warning') return 'badge-warning'
-  return 'badge-error'
-}
-
-// ---------------------------------------------------------------------------
-// Scroll / issue click helpers
-// ---------------------------------------------------------------------------
-
-const highlightClasses = ['ring', 'ring-primary', 'ring-offset-2']
-
-export const scrollToAnchor = (anchor: string): void => {
-  if (!anchor || typeof window === 'undefined' || typeof document === 'undefined') return
-  const target = document.getElementById(anchor)
-  if (!target) return
-  target.scrollIntoView({ behavior: 'smooth', block: 'center' })
-  highlightClasses.forEach((cls) => target.classList.add(cls))
-  window.setTimeout(() => {
-    highlightClasses.forEach((cls) => target.classList.remove(cls))
-  }, 1500)
-}
-
-export const handleIssueClick = (issue: AnyRecord): void => {
-  if (!issue?.anchor) return
-  scrollToAnchor(issue.anchor as string)
-}
-
-// ---------------------------------------------------------------------------
-// Type label resolvers
-// ---------------------------------------------------------------------------
-
-export const resolveComponentRequirementTypeLabel = (
-  requirement: AnyRecord,
-  entry: AnyRecord,
-  findComponentById: (id: string) => AnyRecord | null,
-): string => {
-  if (entry?.composantId) {
-    const component = findComponentById(entry.composantId as string)
-    if ((component?.typeComposant as AnyRecord)?.name) {
-      return (component!.typeComposant as AnyRecord).name as string
-    }
-  }
-  return ((requirement?.typeComposant as AnyRecord)?.name as string) || 'Type non défini'
-}
-
-export const resolvePieceRequirementTypeLabel = (
-  requirement: AnyRecord,
-  entry: AnyRecord,
-  findPieceById: (id: string) => AnyRecord | null,
-): string => {
-  if (entry?.pieceId) {
-    const piece = findPieceById(entry.pieceId as string)
-    if ((piece?.typePiece as AnyRecord)?.name) {
-      return (piece!.typePiece as AnyRecord).name as string
-    }
-  }
-  return ((requirement?.typePiece as AnyRecord)?.name as string) || 'Type non défini'
-}
-
-// ---------------------------------------------------------------------------
-// Product requirement stats
-// ---------------------------------------------------------------------------
-
-const computeProductUsageFromSelections = (
-  type: AnyRecord,
-  deps: MachineCreatePreviewDeps,
-): Map<string, number> => {
-  const usage = new Map<string, number>()
-
-  const increment = (typeProductId: string | null) => {
-    if (!typeProductId) return
-    usage.set(typeProductId, (usage.get(typeProductId) ?? 0) + 1)
-  }
-
-  for (const requirement of (type.componentRequirements || []) as AnyRecord[]) {
-    const entries = deps.getComponentRequirementEntries(requirement.id as string)
-    entries.forEach((entry) => {
-      if (!entry?.composantId) return
-      const component = deps.findComponentById(entry.composantId as string)
-      increment(getProductTypeIdFromComponent(component))
-    })
-  }
-
-  for (const requirement of (type.pieceRequirements || []) as AnyRecord[]) {
-    const entries = deps.getPieceRequirementEntries(requirement.id as string)
-    entries.forEach((entry) => {
-      if (!entry?.pieceId) return
-      const piece = deps.findPieceById(entry.pieceId as string)
-      increment(getProductTypeIdFromPiece(piece))
-    })
-  }
-
-  for (const requirement of (type.productRequirements || []) as AnyRecord[]) {
-    const entries = deps.getProductRequirementEntries(requirement.id as string)
-    entries.forEach((entry) => {
-      if (!entry?.productId) return
-      const product = deps.findProductById(entry.productId as string)
-      const typeProductId = (
-        product?.typeProductId ||
-        (product?.typeProduct as AnyRecord)?.id ||
-        entry?.typeProductId ||
-        requirement?.typeProductId ||
-        (requirement?.typeProduct as AnyRecord)?.id ||
-        null
-      ) as string | null
-      increment(typeProductId)
-    })
-  }
-
-  return usage
-}
-
-const buildProductRequirementStats = (
-  type: AnyRecord,
-  deps: MachineCreatePreviewDeps,
-): { stats: AnyRecord[]; usage: Map<string, number> } => {
-  const usage = computeProductUsageFromSelections(type, deps)
-
-  const stats = ((type.productRequirements || []) as AnyRecord[]).map((requirement) => {
-    const typeProductId = (
-      requirement.typeProductId || (requirement.typeProduct as AnyRecord)?.id || null
-    ) as string | null
-
-    const label = (
-      (requirement.label as string)?.trim() ||
-      (requirement.typeProduct as AnyRecord)?.name ||
-      (requirement.typeProduct as AnyRecord)?.code ||
-      'Produit requis'
-    ) as string
-
-    const typeName = ((requirement.typeProduct as AnyRecord)?.name || 'Non défini') as string
-    const min = (requirement.minCount ?? (requirement.required ? 1 : 0)) as number
-    const max = (requirement.maxCount ?? null) as number | null
-    const count = typeProductId ? usage.get(typeProductId) ?? 0 : 0
-
-    const rawEntries = deps.getProductRequirementEntries(requirement.id as string)
-    const normalizedEntries = rawEntries.map((entry, index) => {
-      const product = entry?.productId ? deps.findProductById(entry.productId as string) : null
-      const subtitleParts: string[] = []
-      if (product?.reference) subtitleParts.push(`Réf. ${product.reference}`)
-      if (product?.supplierPrice !== undefined && product?.supplierPrice !== null) {
-        const price = Number(product.supplierPrice)
-        if (!Number.isNaN(price)) subtitleParts.push(`${price.toFixed(2)} €`)
-      }
-      if (Array.isArray(product?.constructeurs) && (product!.constructeurs as AnyRecord[]).length) {
-        const cLabel = (product!.constructeurs as AnyRecord[])
-          .map((c) => c?.name)
-          .filter(Boolean)
-          .join(', ')
-        if (cLabel) subtitleParts.push(`Fournisseurs: ${cLabel}`)
-      }
-      return {
-        key: `${requirement.id}-${index}`,
-        status: product ? 'complete' : 'pending',
-        title: (product?.name || product?.reference || `Sélection #${index + 1}`) as string,
-        subtitle: subtitleParts.length ? subtitleParts.join(' • ') : null,
-      }
-    })
-
-    const issues: AnyRecord[] = []
-    if (count < min) {
-      issues.push({
-        message: `Le produit "${label}" nécessite au moins ${min} sélection(s). Actuellement ${count}.`,
-        kind: 'error',
-        anchor: `product-group-${requirement.id}`,
-      })
-    }
-    if (max !== null && count > max) {
-      issues.push({
-        message: `Le produit "${label}" ne peut pas dépasser ${max} sélection(s). Actuellement ${count}.`,
-        kind: 'error',
-        anchor: `product-group-${requirement.id}`,
-      })
-    }
-    if (normalizedEntries.length > 0 && normalizedEntries.some((e) => e.status !== 'complete')) {
-      issues.push({
-        message: 'Sélectionner un produit pour chaque entrée ajoutée.',
-        kind: 'error',
-        anchor: `product-group-${requirement.id}`,
-      })
-    }
-
-    const completed = normalizedEntries.filter((e) => e.status === 'complete').length
-    const total = normalizedEntries.length
-    const status = issues.some((i) => i.kind === 'error')
-      ? 'error'
-      : issues.some((i) => i.kind === 'warning')
-        ? 'warning'
-        : 'ready'
-
-    return {
-      id: requirement.id,
-      requirement,
-      label,
-      typeName,
-      count,
-      min,
-      max,
-      completed,
-      total,
-      entries: normalizedEntries,
-      issues,
-      allowNewModels: requirement.allowNewModels ?? true,
-      status,
-    }
-  })
-
-  return { stats, usage }
-}
-
-// ---------------------------------------------------------------------------
-// Validation
-// ---------------------------------------------------------------------------
-
-export const validateRequirementSelections = (
-  type: AnyRecord,
-  deps: MachineCreatePreviewDeps,
-): AnyRecord => {
-  const errors: string[] = []
-  const componentLinksPayload: AnyRecord[] = []
-  const pieceLinksPayload: AnyRecord[] = []
-  const productLinksPayload: AnyRecord[] = []
-
-  for (const requirement of (type.componentRequirements || []) as AnyRecord[]) {
-    const entries = deps.getComponentRequirementEntries(requirement.id as string)
-    const min = (requirement.minCount ?? (requirement.required ? 1 : 0)) as number
-    const max = (requirement.maxCount ?? null) as number | null
-
-    if (entries.length < min) {
-      errors.push(`Le groupe "${requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'Composants'}" nécessite au moins ${min} élément(s).`)
-    }
-    if (max !== null && entries.length > max) {
-      errors.push(`Le groupe "${requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'Composants'}" ne peut dépasser ${max} élément(s).`)
-    }
-
-    entries.forEach((entry) => {
-      if (!entry.composantId) {
-        errors.push(`Sélectionner un composant existant pour "${requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'Composants'}".`)
-        return
-      }
-      const component = deps.findComponentById(entry.composantId as string)
-      if (!component) {
-        errors.push(`Le composant sélectionné est introuvable (ID: ${entry.composantId}).`)
-        return
-      }
-      const requiredTypeId = (requirement.typeComposantId || (requirement.typeComposant as AnyRecord)?.id || null) as string | null
-      if (requiredTypeId && component.typeComposantId && component.typeComposantId !== requiredTypeId) {
-        errors.push(`Le composant "${component.name || component.id}" n'appartient pas à la famille attendue.`)
-        return
-      }
-      const payload: AnyRecord = { requirementId: requirement.id, composantId: entry.composantId }
-      const overrides = sanitizeDefinitionOverrides(entry.definition as AnyRecord)
-      if (overrides) payload.overrides = overrides
-      Object.assign(payload, extractParentLinkIdentifiers(requirement), extractParentLinkIdentifiers(entry))
-      componentLinksPayload.push(payload)
-    })
-  }
-
-  for (const requirement of (type.pieceRequirements || []) as AnyRecord[]) {
-    const entries = deps.getPieceRequirementEntries(requirement.id as string)
-    const min = (requirement.minCount ?? (requirement.required ? 1 : 0)) as number
-    const max = (requirement.maxCount ?? null) as number | null
-
-    if (entries.length < min) {
-      errors.push(`Le groupe "${requirement.label || (requirement.typePiece as AnyRecord)?.name || 'Pièces'}" nécessite au moins ${min} élément(s).`)
-    }
-    if (max !== null && entries.length > max) {
-      errors.push(`Le groupe "${requirement.label || (requirement.typePiece as AnyRecord)?.name || 'Pièces'}" ne peut dépasser ${max} élément(s).`)
-    }
-
-    entries.forEach((entry) => {
-      if (!entry.pieceId) {
-        errors.push(`Sélectionner une pièce existante pour "${requirement.label || (requirement.typePiece as AnyRecord)?.name || 'Pièces'}".`)
-        return
-      }
-      const piece = deps.findPieceById(entry.pieceId as string)
-      if (!piece) {
-        errors.push(`La pièce sélectionnée est introuvable (ID: ${entry.pieceId}).`)
-        return
-      }
-      const requiredTypeId = (requirement.typePieceId || (requirement.typePiece as AnyRecord)?.id || null) as string | null
-      if (requiredTypeId && piece.typePieceId && piece.typePieceId !== requiredTypeId) {
-        errors.push(`La pièce "${piece.name || piece.id}" n'appartient pas à la famille attendue.`)
-        return
-      }
-      const payload: AnyRecord = { requirementId: requirement.id, pieceId: entry.pieceId }
-      const overrides = sanitizeDefinitionOverrides(entry.definition as AnyRecord)
-      if (overrides) payload.overrides = overrides
-      Object.assign(payload, extractParentLinkIdentifiers(requirement), extractParentLinkIdentifiers(entry))
-      pieceLinksPayload.push(payload)
-    })
-  }
-
-  const { stats: productStats } = buildProductRequirementStats(type, deps)
-  for (const requirement of (type.productRequirements || []) as AnyRecord[]) {
-    const entries = deps.getProductRequirementEntries(requirement.id as string)
-    const max = (requirement.maxCount ?? null) as number | null
-
-    if (max !== null && entries.length > max) {
-      errors.push(`Le groupe "${requirement.label || (requirement.typeProduct as AnyRecord)?.name || 'Produits'}" ne peut dépasser ${max} entrée(s) directe(s).`)
-    }
-
-    entries.forEach((entry) => {
-      if (!entry.productId) {
-        errors.push(`Sélectionner un produit pour "${requirement.label || (requirement.typeProduct as AnyRecord)?.name || 'Produits'}".`)
-        return
-      }
-      const product = deps.findProductById(entry.productId as string)
-      if (!product) {
-        errors.push(`Le produit sélectionné est introuvable (ID: ${entry.productId}).`)
-        return
-      }
-      const requiredTypeId = (requirement.typeProductId || (requirement.typeProduct as AnyRecord)?.id || null) as string | null
-      const productTypeId = (product.typeProductId || (product.typeProduct as AnyRecord)?.id || entry.typeProductId || null) as string | null
-      if (requiredTypeId && productTypeId && productTypeId !== requiredTypeId) {
-        errors.push(`Le produit "${product.name || product.reference || product.id}" n'appartient pas à la catégorie attendue.`)
-        return
-      }
-      const payload: AnyRecord = { requirementId: requirement.id, productId: entry.productId }
-      Object.assign(payload, extractParentLinkIdentifiers(requirement), extractParentLinkIdentifiers(entry))
-      productLinksPayload.push(payload)
-    })
-  }
-
-  productStats.forEach((stat) => {
-    ((stat.issues || []) as AnyRecord[])
-      .filter((issue) => issue.kind === 'error')
-      .forEach((issue) => errors.push(issue.message as string))
-  })
-
-  if (errors.length > 0) return { valid: false, error: errors[0] }
-
-  return {
-    valid: true,
-    componentLinks: componentLinksPayload,
-    pieceLinks: pieceLinksPayload,
-    productLinks: productLinksPayload,
-  }
-}
-
-// ---------------------------------------------------------------------------
-// Main preview composable
-// ---------------------------------------------------------------------------
-
-export function useMachineCreatePreview(deps: MachineCreatePreviewDeps) {
-  const machinePreview = computed(() => {
-    const type = deps.selectedMachineType.value
-    if (!type) return null
-
-    const trimmedName = (deps.newMachine.name || '').trim()
-    const currentSite = deps.newMachine.siteId
-      ? deps.sites.value.find((site) => site.id === deps.newMachine.siteId) || null
-      : null
-    const trimmedReference = (deps.newMachine.reference || '').trim()
-
-    const baseFields = [
-      { key: 'name', label: 'Nom', display: trimmedName || 'À renseigner', status: trimmedName ? 'complete' : 'missing' },
-      { key: 'site', label: 'Site', display: (currentSite?.name || 'Sélectionner un site') as string, status: currentSite ? 'complete' : 'missing' },
-      { key: 'type', label: 'Type sélectionné', display: type.name as string, status: 'complete' },
-      { key: 'reference', label: 'Référence', display: trimmedReference || 'Non renseignée', status: trimmedReference ? 'complete' : 'optional' },
-    ]
-
-    const baseIssues: AnyRecord[] = []
-    if (!trimmedName) baseIssues.push({ message: 'Renseigner un nom de machine.', kind: 'error', anchor: 'machine-field-name' })
-    if (!currentSite) baseIssues.push({ message: "Sélectionner un site d'affectation.", kind: 'error', anchor: 'machine-field-site' })
-
-    const baseStatus = baseIssues.some((issue) => issue.kind === 'error') ? 'error' : 'ready'
-
-    // Component groups
-    const componentGroups = ((type.componentRequirements || []) as AnyRecord[]).map((requirement) => {
-      const entries = deps.getComponentRequirementEntries(requirement.id as string)
-      const normalizedEntries = entries.map((entry, index) => {
-        const selectedComponent = entry.composantId ? deps.findComponentById(entry.composantId as string) : null
-        const displayName = (selectedComponent?.name || (requirement.typeComposant as AnyRecord)?.name || 'Composant') as string
-        const subtitleParts: string[] = []
-        if (selectedComponent?.reference) subtitleParts.push(`Réf. ${selectedComponent.reference}`)
-        const constructeurName = (selectedComponent?.constructeur as AnyRecord)?.name || selectedComponent?.constructeurName
-        if (constructeurName) subtitleParts.push(constructeurName as string)
-        const machineAssignments = selectedComponent ? getComponentMachineAssignments(selectedComponent) : []
-        const assignmentLabel = formatAssignmentList(machineAssignments)
-        if (assignmentLabel) subtitleParts.push(`Liée à ${assignmentLabel}`)
-        return {
-          key: `${requirement.id}-${index}`,
-          status: entry.composantId ? 'complete' : 'pending',
-          title: displayName,
-          subtitle: subtitleParts.join(' • ') || null,
-          assignmentLabel,
-          assignments: machineAssignments,
-        }
-      })
-
-      const min = (requirement.minCount ?? (requirement.required ? 1 : 0)) as number
-      const max = (requirement.maxCount ?? null) as number | null
-      const completed = normalizedEntries.filter((e) => e.status === 'complete').length
-      const issues: AnyRecord[] = []
-      if (entries.length < min) issues.push({ message: `Minimum ${min} sélection(s) requise(s)`, kind: 'error', anchor: `component-group-${requirement.id}` })
-      if (max !== null && entries.length > max) issues.push({ message: `Maximum ${max} dépassé`, kind: 'error', anchor: `component-group-${requirement.id}` })
-      if (normalizedEntries.some((e) => e.status !== 'complete')) issues.push({ message: 'Sélectionner un composant pour chaque entrée.', kind: 'error', anchor: `component-group-${requirement.id}` })
-
-      const hasErrors = issues.some((i) => i.kind === 'error')
-      const hasWarnings = completed < entries.length
-      const status = hasErrors ? 'error' : hasWarnings ? 'warning' : 'ready'
-
-      return {
-        id: requirement.id,
-        label: (requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'Famille de composants') as string,
-        typeName: ((requirement.typeComposant as AnyRecord)?.name || 'Non défini') as string,
-        min, max, entries: normalizedEntries, issues, completed, total: entries.length, status,
-      }
-    })
-
-    // Piece groups
-    const pieceGroups = ((type.pieceRequirements || []) as AnyRecord[]).map((requirement) => {
-      const entries = deps.getPieceRequirementEntries(requirement.id as string)
-      const normalizedEntries = entries.map((entry, index) => {
-        const selectedPiece = entry.pieceId ? deps.findPieceById(entry.pieceId as string) : null
-        const displayName = (selectedPiece?.name || (requirement.typePiece as AnyRecord)?.name || 'Pièce') as string
-        const subtitleParts: string[] = []
-        if (selectedPiece?.reference) subtitleParts.push(`Réf. ${selectedPiece.reference}`)
-        const constructeurName = (selectedPiece?.constructeur as AnyRecord)?.name || selectedPiece?.constructeurName
-        if (constructeurName) subtitleParts.push(constructeurName as string)
-        const machineAssignments = selectedPiece ? getPieceMachineAssignments(selectedPiece) : []
-        const machineAssignmentLabel = formatAssignmentList(machineAssignments)
-        if (machineAssignmentLabel) subtitleParts.push(`Machines: ${machineAssignmentLabel}`)
-        const componentAssignments = selectedPiece ? getPieceComponentAssignments(selectedPiece) : []
-        const componentAssignmentLabel = formatAssignmentList(componentAssignments)
-        if (componentAssignmentLabel) subtitleParts.push(`Composants: ${componentAssignmentLabel}`)
-        return {
-          key: `${requirement.id}-${index}`,
-          status: entry.pieceId ? 'complete' : 'pending',
-          title: displayName,
-          subtitle: subtitleParts.join(' • ') || null,
-          machineAssignmentLabel, componentAssignmentLabel,
-          machineAssignments, componentAssignments,
-        }
-      })
-
-      const min = (requirement.minCount ?? (requirement.required ? 1 : 0)) as number
-      const max = (requirement.maxCount ?? null) as number | null
-      const completed = normalizedEntries.filter((e) => e.status === 'complete').length
-      const issues: AnyRecord[] = []
-      if (entries.length < min) issues.push({ message: `Minimum ${min} sélection(s) requise(s)`, kind: 'error', anchor: `piece-group-${requirement.id}` })
-      if (max !== null && entries.length > max) issues.push({ message: `Maximum ${max} dépassé`, kind: 'error', anchor: `piece-group-${requirement.id}` })
-      if (normalizedEntries.some((e) => e.status !== 'complete')) issues.push({ message: 'Sélectionner une pièce pour chaque entrée.', kind: 'error', anchor: `piece-group-${requirement.id}` })
-
-      const hasErrors = issues.some((i) => i.kind === 'error')
-      const hasWarnings = completed < entries.length
-      const status = hasErrors ? 'error' : hasWarnings ? 'warning' : 'ready'
-
-      return {
-        id: requirement.id,
-        label: (requirement.label || (requirement.typePiece as AnyRecord)?.name || 'Groupe de pièces') as string,
-        typeName: ((requirement.typePiece as AnyRecord)?.name || 'Non défini') as string,
-        min, max, entries: normalizedEntries, issues, completed, total: entries.length, status,
-      }
-    })
-
-    // Product groups
-    const { stats: productGroups } = buildProductRequirementStats(type, deps)
-
-    // Aggregate
-    const aggregatedIssues = [
-      ...baseIssues.map((issue) => ({ ...issue, scope: 'Informations générales' })),
-      ...componentGroups.flatMap((group) => group.issues.map((issue) => ({ ...issue, scope: group.label }))),
-      ...pieceGroups.flatMap((group) => group.issues.map((issue) => ({ ...issue, scope: group.label }))),
-      ...productGroups.flatMap((group: AnyRecord) => ((group.issues || []) as AnyRecord[]).map((issue) => ({ ...issue, scope: group.label }))),
-    ]
-
-    const statuses = [
-      baseStatus,
-      ...componentGroups.map((g) => g.status),
-      ...pieceGroups.map((g) => g.status),
-      ...productGroups.map((g: AnyRecord) => g.status as string),
-    ]
-
-    const overallStatus = statuses.includes('error') ? 'error' : statuses.includes('warning') ? 'warning' : 'ready'
-
-    return {
-      base: { fields: baseFields, issues: baseIssues, status: baseStatus },
-      componentGroups,
-      pieceGroups,
-      productGroups,
-      type: {
-        name: type.name,
-        category: type.category || null,
-        hasStructuredDefinition:
-          ((type.componentRequirements as unknown[])?.length || 0) > 0 ||
-          ((type.pieceRequirements as unknown[])?.length || 0) > 0 ||
-          ((type.productRequirements as unknown[])?.length || 0) > 0,
-      },
-      status: overallStatus,
-      ready: overallStatus === 'ready',
-      issues: aggregatedIssues,
-    }
-  })
-
-  const blockingPreviewIssues = computed(() => {
-    if (!machinePreview.value) return []
-    return (machinePreview.value.issues as AnyRecord[]).filter((issue) => issue.kind === 'error')
-  })
-
-  const canCreateMachine = computed(() => {
-    if (!machinePreview.value) return false
-    return blockingPreviewIssues.value.length === 0
-  })
-
-  return {
-    machinePreview,
-    blockingPreviewIssues,
-    canCreateMachine,
-  }
-}
diff --git a/app/composables/useMachineCreateSelections.ts b/app/composables/useMachineCreateSelections.ts
deleted file mode 100644
index 3bbbad3..0000000
--- a/app/composables/useMachineCreateSelections.ts
+++ /dev/null
@@ -1,365 +0,0 @@
-/**
- * Machine creation – requirement selection state management.
- *
- * Extracted from pages/machines/new.vue. Manages the reactive selection state
- * for component / piece / product requirements when creating a new machine.
- */
-
-import { ref, reactive, computed } from 'vue'
-import { extractCollection } from '~/shared/utils/apiHelpers'
-
-type AnyRecord = Record<string, unknown>
-
-export interface MachineCreateSelectionsDeps {
-  findComponentById: (id: string) => AnyRecord | null
-  findPieceById: (id: string) => AnyRecord | null
-  pieces: { value: AnyRecord[] }
-  get: (url: string) => Promise<AnyRecord>
-  toast: { showError: (msg: string) => void }
-}
-
-export function useMachineCreateSelections(deps: MachineCreateSelectionsDeps) {
-  const { findComponentById, findPieceById, pieces, get, toast } = deps
-
-  // ---------------------------------------------------------------------------
-  // Reactive state
-  // ---------------------------------------------------------------------------
-
-  const componentRequirementSelections = reactive<Record<string, AnyRecord[]>>({})
-  const pieceRequirementSelections = reactive<Record<string, AnyRecord[]>>({})
-  const productRequirementSelections = reactive<Record<string, AnyRecord[]>>({})
-
-  const pieceOptionsByKey = ref<Record<string, AnyRecord[]>>({})
-  const pieceLoadingByKey = ref<Record<string, boolean>>({})
-
-  // ---------------------------------------------------------------------------
-  // Piece option caching
-  // ---------------------------------------------------------------------------
-
-  const getPieceKey = (requirement: AnyRecord, entryIndex: number): string =>
-    `${requirement?.id || 'req'}:${entryIndex}`
-
-  const findPieceInCachedOptions = (id: string): AnyRecord | null => {
-    if (!id) return null
-    const buckets = Object.values(pieceOptionsByKey.value || {})
-    for (const bucket of buckets) {
-      if (!Array.isArray(bucket)) continue
-      const found = bucket.find((piece) => piece?.id === id)
-      if (found) return found
-    }
-    return null
-  }
-
-  const cachePieceIfMissing = (piece: AnyRecord): void => {
-    if (!piece?.id) return
-    const current = Array.isArray(pieces.value) ? pieces.value : []
-    if (current.some((p: AnyRecord) => p?.id === piece.id)) return
-    pieces.value = [...current, piece]
-  }
-
-  const fetchPieceOptions = async (
-    requirement: AnyRecord,
-    entryIndex: number,
-    term = '',
-  ): Promise<void> => {
-    const key = getPieceKey(requirement, entryIndex)
-    if (pieceLoadingByKey.value[key]) return
-
-    const requirementTypeId =
-      (requirement?.typePieceId || (requirement?.typePiece as AnyRecord)?.id || null) as string | null
-    const params = new URLSearchParams()
-    params.set('itemsPerPage', '50')
-    if (term && term.trim()) params.set('name', term.trim())
-    if (requirementTypeId) params.set('typePiece', `/api/model_types/${requirementTypeId}`)
-
-    pieceLoadingByKey.value = { ...pieceLoadingByKey.value, [key]: true }
-    try {
-      const result = await get(`/pieces?${params.toString()}`)
-      if (result.success) {
-        pieceOptionsByKey.value = {
-          ...pieceOptionsByKey.value,
-          [key]: extractCollection(result.data) as AnyRecord[],
-        }
-      }
-    } finally {
-      pieceLoadingByKey.value = { ...pieceLoadingByKey.value, [key]: false }
-    }
-  }
-
-  // ---------------------------------------------------------------------------
-  // Entry getters
-  // ---------------------------------------------------------------------------
-
-  const getComponentRequirementEntries = (requirementId: string): AnyRecord[] =>
-    componentRequirementSelections[requirementId] || []
-
-  const getPieceRequirementEntries = (requirementId: string): AnyRecord[] =>
-    pieceRequirementSelections[requirementId] || []
-
-  const getProductRequirementEntries = (requirementId: string): AnyRecord[] =>
-    productRequirementSelections[requirementId] || []
-
-  // ---------------------------------------------------------------------------
-  // Entry factories
-  // ---------------------------------------------------------------------------
-
-  const createComponentSelectionEntry = (requirement: AnyRecord, source: AnyRecord | null = null): AnyRecord => ({
-    typeComposantId: requirement?.typeComposantId || (requirement?.typeComposant as AnyRecord)?.id || null,
-    composantId: source?.composantId || null,
-    definition: {},
-  })
-
-  const createPieceSelectionEntry = (requirement: AnyRecord, source: AnyRecord | null = null): AnyRecord => ({
-    typePieceId: requirement?.typePieceId || (requirement?.typePiece as AnyRecord)?.id || null,
-    pieceId: source?.pieceId || null,
-    definition: {},
-  })
-
-  const createProductSelectionEntry = (requirement: AnyRecord, source: AnyRecord | null = null): AnyRecord => ({
-    typeProductId:
-      source?.typeProductId ||
-      requirement?.typeProductId ||
-      (requirement?.typeProduct as AnyRecord)?.id ||
-      null,
-    productId: source?.productId || null,
-  })
-
-  // ---------------------------------------------------------------------------
-  // Selected piece IDs (for dedup)
-  // ---------------------------------------------------------------------------
-
-  const selectedPieceIds = computed(() => {
-    const ids: string[] = []
-    Object.values(pieceRequirementSelections).forEach((entries) => {
-      ;(entries || []).forEach((entry) => {
-        if (entry?.pieceId) ids.push(entry.pieceId as string)
-      })
-    })
-    return ids
-  })
-
-  // ---------------------------------------------------------------------------
-  // CRUD operations
-  // ---------------------------------------------------------------------------
-
-  const addComponentSelectionEntry = (requirement: AnyRecord): void => {
-    const entries = getComponentRequirementEntries(requirement.id as string)
-    const max = (requirement.maxCount ?? null) as number | null
-    if (max !== null && entries.length >= max) {
-      toast.showError(
-        `Vous ne pouvez pas ajouter plus de ${max} composant(s) pour ${requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'ce groupe'}`,
-      )
-      return
-    }
-    componentRequirementSelections[requirement.id as string] = [
-      ...entries,
-      createComponentSelectionEntry(requirement),
-    ]
-  }
-
-  const removeComponentSelectionEntry = (requirementId: string, index: number): void => {
-    const entries = getComponentRequirementEntries(requirementId)
-    componentRequirementSelections[requirementId] = entries.filter((_: unknown, i: number) => i !== index)
-  }
-
-  const addPieceSelectionEntry = (requirement: AnyRecord): void => {
-    const entries = getPieceRequirementEntries(requirement.id as string)
-    const max = (requirement.maxCount ?? null) as number | null
-    if (max !== null && entries.length >= max) {
-      toast.showError(
-        `Vous ne pouvez pas ajouter plus de ${max} pièce(s) pour ${requirement.label || (requirement.typePiece as AnyRecord)?.name || 'ce groupe'}`,
-      )
-      return
-    }
-    pieceRequirementSelections[requirement.id as string] = [
-      ...entries,
-      createPieceSelectionEntry(requirement),
-    ]
-    fetchPieceOptions(requirement, entries.length).catch(() => {})
-  }
-
-  const removePieceSelectionEntry = (requirementId: string, index: number): void => {
-    const entries = getPieceRequirementEntries(requirementId)
-    pieceRequirementSelections[requirementId] = entries.filter((_: unknown, i: number) => i !== index)
-  }
-
-  const addProductSelectionEntry = (requirement: AnyRecord): void => {
-    const entries = getProductRequirementEntries(requirement.id as string)
-    const max = (requirement.maxCount ?? null) as number | null
-    if (max !== null && entries.length >= max) {
-      toast.showError(
-        `Vous ne pouvez pas ajouter plus de ${max} produit(s) pour ${requirement.label || (requirement.typeProduct as AnyRecord)?.name || 'ce groupe'}`,
-      )
-      return
-    }
-    productRequirementSelections[requirement.id as string] = [
-      ...entries,
-      createProductSelectionEntry(requirement),
-    ]
-  }
-
-  const removeProductSelectionEntry = (requirementId: string, index: number): void => {
-    const entries = getProductRequirementEntries(requirementId)
-    productRequirementSelections[requirementId] = entries.filter((_: unknown, i: number) => i !== index)
-  }
-
-  // ---------------------------------------------------------------------------
-  // Selection setters
-  // ---------------------------------------------------------------------------
-
-  const setComponentRequirementComponent = (
-    requirement: AnyRecord,
-    index: number,
-    componentId: string,
-  ): void => {
-    const entries = getComponentRequirementEntries(requirement.id as string)
-    const entry = entries[index]
-    if (!entry) return
-    entry.composantId = componentId || null
-    if (componentId) {
-      const component = findComponentById(componentId)
-      entry.typeComposantId = component?.typeComposantId || requirement?.typeComposantId || null
-    } else {
-      entry.typeComposantId = requirement?.typeComposantId || null
-    }
-  }
-
-  const setPieceRequirementPiece = (
-    requirement: AnyRecord,
-    index: number,
-    pieceId: string,
-  ): void => {
-    const entries = getPieceRequirementEntries(requirement.id as string)
-    const entry = entries[index]
-    if (!entry) return
-    entry.pieceId = pieceId || null
-    if (pieceId) {
-      const piece = findPieceById(pieceId) || findPieceInCachedOptions(pieceId)
-      entry.typePieceId = piece?.typePieceId || requirement?.typePieceId || null
-      if (piece) cachePieceIfMissing(piece as AnyRecord)
-    } else {
-      entry.typePieceId = requirement?.typePieceId || null
-    }
-  }
-
-  const setProductRequirementProduct = (
-    requirement: AnyRecord,
-    index: number,
-    productId: string,
-    findProductById: (id: string) => AnyRecord | null,
-  ): void => {
-    const entries = getProductRequirementEntries(requirement.id as string)
-    const entry = entries[index]
-    if (!entry) return
-
-    const normalizedProductId = productId || null
-    entry.productId = normalizedProductId
-
-    if (normalizedProductId) {
-      const product = findProductById(normalizedProductId)
-      entry.typeProductId =
-        product?.typeProductId ||
-        (product?.typeProduct as AnyRecord)?.id ||
-        entry.typeProductId ||
-        requirement?.typeProductId ||
-        (requirement?.typeProduct as AnyRecord)?.id ||
-        null
-    } else {
-      entry.typeProductId =
-        requirement?.typeProductId ||
-        (requirement?.typeProduct as AnyRecord)?.id ||
-        null
-    }
-  }
-
-  // ---------------------------------------------------------------------------
-  // Bulk operations
-  // ---------------------------------------------------------------------------
-
-  const clearRequirementSelections = (): void => {
-    Object.keys(componentRequirementSelections).forEach((key) => {
-      delete componentRequirementSelections[key]
-    })
-    Object.keys(pieceRequirementSelections).forEach((key) => {
-      delete pieceRequirementSelections[key]
-    })
-    Object.keys(productRequirementSelections).forEach((key) => {
-      delete productRequirementSelections[key]
-    })
-  }
-
-  const initializeRequirementSelections = (type: AnyRecord): void => {
-    const componentRequirements = (type.componentRequirements || []) as AnyRecord[]
-    const pieceRequirements = (type.pieceRequirements || []) as AnyRecord[]
-    const productRequirements = (type.productRequirements || []) as AnyRecord[]
-
-    componentRequirements.forEach((requirement) => {
-      const min = (requirement.minCount ?? (requirement.required ? 1 : 0)) as number
-      const initialCount = Math.max(min, requirement.required ? 1 : 0)
-      if (initialCount > 0) {
-        componentRequirementSelections[requirement.id as string] = Array.from(
-          { length: initialCount },
-          () => createComponentSelectionEntry(requirement),
-        )
-      } else {
-        componentRequirementSelections[requirement.id as string] = []
-      }
-    })
-
-    pieceRequirements.forEach((requirement) => {
-      const min = (requirement.minCount ?? (requirement.required ? 1 : 0)) as number
-      const initialCount = Math.max(min, requirement.required ? 1 : 0)
-      if (initialCount > 0) {
-        const entries = Array.from(
-          { length: initialCount },
-          () => createPieceSelectionEntry(requirement),
-        )
-        pieceRequirementSelections[requirement.id as string] = entries
-        entries.forEach((_: unknown, index: number) => {
-          fetchPieceOptions(requirement, index).catch(() => {})
-        })
-      } else {
-        pieceRequirementSelections[requirement.id as string] = []
-      }
-    })
-
-    productRequirements.forEach((requirement) => {
-      const min = (requirement.minCount ?? (requirement.required ? 1 : 0)) as number
-      const initialCount = Math.max(min, requirement.required ? 1 : 0)
-      if (initialCount > 0) {
-        productRequirementSelections[requirement.id as string] = Array.from(
-          { length: initialCount },
-          () => createProductSelectionEntry(requirement),
-        )
-      } else {
-        productRequirementSelections[requirement.id as string] = []
-      }
-    })
-  }
-
-  return {
-    componentRequirementSelections,
-    pieceRequirementSelections,
-    productRequirementSelections,
-    pieceOptionsByKey,
-    pieceLoadingByKey,
-    selectedPieceIds,
-    getPieceKey,
-    findPieceInCachedOptions,
-    fetchPieceOptions,
-    getComponentRequirementEntries,
-    getPieceRequirementEntries,
-    getProductRequirementEntries,
-    addComponentSelectionEntry,
-    removeComponentSelectionEntry,
-    addPieceSelectionEntry,
-    removePieceSelectionEntry,
-    addProductSelectionEntry,
-    removeProductSelectionEntry,
-    setComponentRequirementComponent,
-    setPieceRequirementPiece,
-    setProductRequirementProduct,
-    clearRequirementSelections,
-    initializeRequirementSelections,
-  }
-}
diff --git a/app/composables/useMachineDetailData.ts b/app/composables/useMachineDetailData.ts
index 2624980..ebd4946 100644
--- a/app/composables/useMachineDetailData.ts
+++ b/app/composables/useMachineDetailData.ts
@@ -39,6 +39,8 @@ import {
   resolveIdentifier,
   resolveProductReference as _resolveProductReference,
   getProductDisplay as _getProductDisplay,
+  getProductSuppliersLabel,
+  getProductPriceLabel,
   extractParentLinkIdentifiers,
 } from '~/shared/utils/productDisplayUtils'
 import {
@@ -64,7 +66,7 @@ export function useMachineDetailData(machineId: string) {
 
   const {
     updateMachine: updateMachineApi,
-    reconfigureSkeleton: reconfigureMachineSkeleton,
+    updateStructure: updateMachineStructure,
   } = useMachines()
   const { updateComposant: updateComposantApi } = useComposants()
   const { updatePiece: updatePieceApi } = usePieces()
@@ -75,11 +77,12 @@ export function useMachineDetailData(machineId: string) {
     upsertCustomFieldValue,
     updateCustomFieldValue: updateCustomFieldValueApi,
   } = useCustomFields()
-  const { get } = useApi()
+  const { get, post: apiPost, delete: apiDel } = useApi()
   const {
     uploadDocuments,
     deleteDocument,
     loadDocumentsByMachine,
+    loadDocumentsByProduct,
   } = useDocuments()
   const toast = useToast()
   const { constructeurs, loadConstructeurs } = useConstructeurs()
@@ -105,6 +108,7 @@ export function useMachineDetailData(machineId: string) {
   const machineComponentLinks = ref<AnyRecord[]>([])
   const machinePieceLinks = ref<AnyRecord[]>([])
   const machineProductLinks = ref<AnyRecord[]>([])
+  const productDocumentsMap = ref<Map<string, AnyRecord[]>>(new Map())
   const printAreaRef = ref<HTMLElement | null>(null)
 
   // ---------------------------------------------------------------------------
@@ -169,39 +173,21 @@ export function useMachineDetailData(machineId: string) {
   const componentsCollapsed = ref(true)
   const collapseToggleToken = ref(0)
 
+  const piecesCollapsed = ref(true)
+  const pieceCollapseToggleToken = ref(0)
+
   // ---------------------------------------------------------------------------
   // Product helpers
   // ---------------------------------------------------------------------------
 
-  const machineType = computed(() => (machine.value as AnyRecord)?.typeMachine || null)
-
   const componentTypeOptions = computed(() => componentTypes.value || [])
   const pieceTypeOptions = computed(() => pieceTypes.value || [])
 
-  const componentRequirements = computed(
-    () => ((machineType.value as AnyRecord)?.componentRequirements as AnyRecord[]) || [],
-  )
-  const pieceRequirements = computed(
-    () => ((machineType.value as AnyRecord)?.pieceRequirements as AnyRecord[]) || [],
-  )
-  const productRequirements = computed(
-    () => ((machineType.value as AnyRecord)?.productRequirements as AnyRecord[]) || [],
-  )
-  const machineHasSkeletonRequirements = computed(() =>
-    componentRequirements.value.length > 0 ||
-    pieceRequirements.value.length > 0 ||
-    productRequirements.value.length > 0,
-  )
-
   const componentTypeLabelMap = computed(() => {
     const map = new Map<string, string>()
     componentTypeOptions.value.forEach((type) => {
       if (type?.id) map.set(type.id as string, (type.name as string) || '')
     })
-    componentRequirements.value.forEach((req: AnyRecord) => {
-      const type = req.typeComposant as AnyRecord | undefined
-      if (type?.id) map.set(type.id as string, (type.name as string) || '')
-    })
     return map
   })
 
@@ -210,10 +196,6 @@ export function useMachineDetailData(machineId: string) {
     pieceTypeOptions.value.forEach((type) => {
       if (type?.id) map.set(type.id as string, (type.name as string) || '')
     })
-    pieceRequirements.value.forEach((req: AnyRecord) => {
-      const type = req.typePiece as AnyRecord | undefined
-      if (type?.id) map.set(type.id as string, (type.name as string) || '')
-    })
     return map
   })
 
@@ -310,8 +292,7 @@ export function useMachineDetailData(machineId: string) {
 
   const transformCustomFields = (piecesData: AnyRecord[]): AnyRecord[] => {
     return (piecesData || []).map((piece) => {
-      const requirement = (piece.typeMachinePieceRequirement as AnyRecord) || {}
-      const typePiece = (requirement.typePiece as AnyRecord) || (piece.typePiece as AnyRecord) || {}
+      const typePiece = (piece.typePiece as AnyRecord) || {}
 
       const normalizeStructureDefs = (structure: unknown) =>
         structure ? normalizeStructureForEditor(structure as AnyRecord) : null
@@ -320,10 +301,6 @@ export function useMachineDetailData(machineId: string) {
         normalizeStructureDefs((piece.definition as AnyRecord)?.structure),
         normalizeStructureDefs((piece.typePiece as AnyRecord)?.structure),
         normalizeStructureDefs(typePiece.structure),
-        normalizeStructureDefs(typePiece.pieceSkeleton),
-        normalizeStructureDefs((piece.typePiece as AnyRecord)?.pieceSkeleton),
-        normalizeStructureDefs(requirement.structure),
-        normalizeStructureDefs(requirement.pieceSkeleton),
       ]
 
       const valueEntries = [
@@ -347,17 +324,16 @@ export function useMachineDetailData(machineId: string) {
           normalizeExistingCustomFieldDefinitions((piece.definition as AnyRecord)?.customFields),
           normalizeExistingCustomFieldDefinitions((piece.typePiece as AnyRecord)?.customFields),
           normalizeExistingCustomFieldDefinitions(typePiece.customFields),
-          normalizeExistingCustomFieldDefinitions((requirement.typePiece as AnyRecord)?.customFields),
-          normalizeExistingCustomFieldDefinitions(requirement.customFields),
-          normalizeExistingCustomFieldDefinitions((requirement.definition as AnyRecord)?.customFields),
           ...normalizedStructureDefs.map((def) => getStructureCustomFields(def)),
         ),
       )
 
       const constructeurIds = uniqueConstructeurIds(
+        piece.constructeurs,
         piece.constructeurIds,
         piece.constructeurId,
         piece.constructeur,
+        (piece.originalPiece as AnyRecord)?.constructeurs,
         (piece.originalPiece as AnyRecord)?.constructeurIds,
         (piece.originalPiece as AnyRecord)?.constructeurId,
         (piece.originalPiece as AnyRecord)?.constructeur,
@@ -396,7 +372,6 @@ export function useMachineDetailData(machineId: string) {
         constructeurId: constructeurIds[0] || null,
         typePieceId:
           piece.typePieceId ||
-          (piece.typeMachinePieceRequirement as AnyRecord)?.typePieceId ||
           (piece.typePiece as AnyRecord)?.id ||
           null,
         __productDisplay: productDisplay,
@@ -409,16 +384,12 @@ export function useMachineDetailData(machineId: string) {
       structure ? normalizeStructureForEditor(structure as AnyRecord) : null
 
     return (componentsData || []).map((component) => {
-      const requirement = (component.typeMachineComponentRequirement as AnyRecord) || {}
-      const type = (requirement.typeComposant as AnyRecord) || (component.typeComposant as AnyRecord) || {}
+      const type = (component.typeComposant as AnyRecord) || {}
 
       const normalizedStructureDefs = [
         normalizeStructureDefs((component.definition as AnyRecord)?.structure),
         normalizeStructureDefs((component.typeComposant as AnyRecord)?.structure),
         normalizeStructureDefs(type.structure),
-        normalizeStructureDefs(type.componentSkeleton),
-        normalizeStructureDefs(requirement.structure),
-        normalizeStructureDefs(requirement.componentSkeleton),
       ]
 
       const actualComponent = (component.originalComposant as AnyRecord) || component
@@ -445,9 +416,6 @@ export function useMachineDetailData(machineId: string) {
           normalizeExistingCustomFieldDefinitions((component.typeComposant as AnyRecord)?.customFields),
           normalizeExistingCustomFieldDefinitions(type.customFields),
           normalizeExistingCustomFieldDefinitions(actualComponent?.customFields),
-          normalizeExistingCustomFieldDefinitions((requirement.typeComposant as AnyRecord)?.customFields),
-          normalizeExistingCustomFieldDefinitions(requirement.customFields),
-          normalizeExistingCustomFieldDefinitions((requirement.definition as AnyRecord)?.customFields),
           ...normalizedStructureDefs.map((def) => getStructureCustomFields(def)),
         ),
       )
@@ -464,9 +432,11 @@ export function useMachineDetailData(machineId: string) {
         : []
 
       const constructeurIds = uniqueConstructeurIds(
+        component.constructeurs,
         component.constructeurIds,
         component.constructeurId,
         component.constructeur,
+        actualComponent?.constructeurs,
         actualComponent?.constructeurIds,
         actualComponent?.constructeurId,
         actualComponent?.constructeur,
@@ -505,7 +475,6 @@ export function useMachineDetailData(machineId: string) {
         constructeurId: constructeurIds[0] || null,
         typeComposantId:
           component.typeComposantId ||
-          (component.typeMachineComponentRequirement as AnyRecord)?.typeComposantId ||
           (component.typeComposant as AnyRecord)?.id ||
           null,
         __productDisplay: productDisplay,
@@ -573,6 +542,87 @@ export function useMachineDetailData(machineId: string) {
     })
   })
 
+  const machineDirectProducts = computed(() => {
+    return machineProductLinks.value.map((link) => {
+      const productObj = link.product as AnyRecord | string | null
+      let resolved: AnyRecord | null = null
+      let productId: string | null = null
+
+      if (typeof productObj === 'string') {
+        productId = productObj.split('/').pop() || null
+        resolved = productId ? findProductById(productId) : null
+      } else if (productObj && typeof productObj === 'object') {
+        productId = (productObj as AnyRecord)?.id as string | null
+        // Prefer the embedded product from the structure endpoint — it has richer
+        // data (typeProduct as object, supplierPrice, constructeurs) than the
+        // global products cache which may store typeProduct as an IRI string.
+        const cached = productId ? findProductById(productId) : null
+        resolved = productObj as AnyRecord
+        if (cached) {
+          // Merge: use embedded as base, overlay any non-null cached fields
+          resolved = { ...resolved, ...Object.fromEntries(
+            Object.entries(cached as AnyRecord).filter(([, v]) => v != null && v !== ''),
+          ) }
+          // But always prefer the embedded typeProduct when it's an object
+          if (productObj.typeProduct && typeof productObj.typeProduct === 'object') {
+            resolved.typeProduct = productObj.typeProduct
+          }
+        }
+      }
+
+      const constructeurIds = uniqueConstructeurIds(
+        resolved?.constructeurs,
+        resolved?.constructeurIds,
+      )
+      const resolvedConstructeurs = resolveConstructeurs(
+        constructeurIds,
+        resolved?.constructeurs as any[] || [],
+        constructeurs.value,
+      )
+
+      return {
+        id: (resolved?.id as string) || productId || null,
+        linkId: (link.id as string) || (typeof link['@id'] === 'string' ? link['@id'].split('/').pop() : null) || null,
+        name: (resolved?.name as string) || 'Produit inconnu',
+        reference: (resolved?.reference as string) || null,
+        supplierLabel: resolvedConstructeurs.length
+          ? resolvedConstructeurs.map((c) => c.name).filter(Boolean).join(', ') || null
+          : getProductSuppliersLabel(resolved),
+        priceLabel: resolved ? getProductPriceLabel(resolved) : null,
+        groupLabel: ((resolved?.typeProduct as AnyRecord)?.name as string) || '',
+        documents: productId ? (productDocumentsMap.value.get(productId) || []) : [],
+      }
+    })
+  })
+
+  const loadProductDocuments = async () => {
+    const productIds = machineProductLinks.value
+      .map((link) => {
+        const p = link.product as AnyRecord | string | null
+        if (typeof p === 'string') return p.split('/').pop() || null
+        return (p as AnyRecord)?.id as string | null
+      })
+      .filter((id): id is string => !!id)
+
+    const results = await Promise.allSettled(
+      productIds.map(async (id) => {
+        const result: any = await loadDocumentsByProduct(id, { updateStore: false })
+        if (result.success && Array.isArray(result.data)) {
+          return { id, docs: result.data as AnyRecord[] }
+        }
+        return { id, docs: [] }
+      }),
+    )
+
+    const map = new Map<string, AnyRecord[]>()
+    results.forEach((r) => {
+      if (r.status === 'fulfilled' && r.value.docs.length) {
+        map.set(r.value.id, r.value.docs)
+      }
+    })
+    productDocumentsMap.value = map
+  }
+
   const machineDocumentsList = computed(
     () => ((machine.value as AnyRecord)?.documents as AnyRecord[]) || [],
   )
@@ -583,166 +633,6 @@ export function useMachineDetailData(machineId: string) {
     return fields.filter((field) => shouldDisplayCustomField(field))
   })
 
-  const componentRequirementGroups = computed(() => {
-    const reqs = ((machine.value as AnyRecord)?.typeMachine as AnyRecord)?.componentRequirements as AnyRecord[] || []
-    if (!reqs.length) return []
-
-    const groups = reqs.map((requirement: AnyRecord) => ({
-      requirement,
-      components: [] as AnyRecord[],
-    }))
-    const map = new Map(groups.map((g) => [g.requirement.id, g]))
-
-    flattenedComponents.value.forEach((component) => {
-      const reqId = component.typeMachineComponentRequirementId as string
-      if (reqId && map.has(reqId)) {
-        map.get(reqId)!.components.push({
-          ...component,
-          __productDisplay: getProductDisplay(component),
-        })
-      }
-    })
-    return groups
-  })
-
-  const pieceRequirementGroups = computed(() => {
-    const reqs = ((machine.value as AnyRecord)?.typeMachine as AnyRecord)?.pieceRequirements as AnyRecord[] || []
-    if (!reqs.length) return []
-
-    const groups = reqs.map((requirement: AnyRecord) => ({
-      requirement,
-      pieces: [] as AnyRecord[],
-    }))
-    const map = new Map(groups.map((g) => [g.requirement.id, g]))
-
-    const collectPieces = (): AnyRecord[] => {
-      const collected: AnyRecord[] = []
-      machinePieces.value.forEach((piece) => {
-        collected.push({
-          ...piece,
-          constructeurs: piece.constructeurs || [],
-          parentComponentName: null,
-          __productDisplay: getProductDisplay(piece),
-        })
-      })
-      flattenedComponents.value.forEach((component) => {
-        if (Array.isArray(component.pieces) && (component.pieces as AnyRecord[]).length) {
-          ;(component.pieces as AnyRecord[]).forEach((piece) => {
-            collected.push({
-              ...piece,
-              constructeurs: piece.constructeurs || [],
-              parentComponentName: component.name,
-              __productDisplay: getProductDisplay(piece),
-            })
-          })
-        }
-      })
-      return collected
-    }
-
-    collectPieces().forEach((piece) => {
-      const reqId = piece.typeMachinePieceRequirementId as string
-      if (reqId && map.has(reqId)) {
-        map.get(reqId)!.pieces.push(piece)
-      }
-    })
-    return groups
-  })
-
-  const productRequirementGroups = computed(() => {
-    const reqs = ((machine.value as AnyRecord)?.typeMachine as AnyRecord)?.productRequirements as AnyRecord[] || []
-    if (!reqs.length) return []
-
-    const componentAggregates = flattenedComponents.value || []
-    const pieceAggregates = collectPiecesForSkeleton()
-    const links = Array.isArray(machineProductLinks.value) ? machineProductLinks.value : []
-
-    return reqs.map((requirement: AnyRecord) => {
-      const typeProductId =
-        (requirement.typeProductId as string) ||
-        (requirement.typeProduct as AnyRecord)?.id as string ||
-        null
-
-      const directProducts = links
-        .filter((link) => {
-          const requirementId = resolveIdentifier(
-            link?.typeMachineProductRequirementId,
-            link?.requirementId,
-          )
-          return requirementId === requirement.id
-        })
-        .map((link) => {
-          const productId = resolveIdentifier(link?.productId, (link?.product as AnyRecord)?.id)
-          const product =
-            productId ? findProductById(productId as string) : (link?.product as AnyRecord) ?? null
-
-          const supplierLabel = Array.isArray((product as AnyRecord)?.constructeurs)
-            ? ((product as AnyRecord).constructeurs as AnyRecord[])
-                .map((c) => c?.name)
-                .filter(Boolean)
-                .join(', ')
-            : (link?.constructeursLabel as string) || null
-
-          const priceValue =
-            (product as AnyRecord)?.supplierPrice ?? link?.supplierPrice ?? null
-
-          let priceLabel: string | null = null
-          if (priceValue !== undefined && priceValue !== null) {
-            const numericPrice = Number(priceValue)
-            if (!Number.isNaN(numericPrice)) {
-              priceLabel = `${numericPrice.toFixed(2)} €`
-            }
-          }
-
-          return {
-            id: productId || link?.id || null,
-            name: (product as AnyRecord)?.name || link?.productName || productId || 'Produit',
-            reference: (product as AnyRecord)?.reference || link?.reference || null,
-            supplierLabel,
-            priceLabel,
-          }
-        })
-
-      let componentCount = 0
-      componentAggregates.forEach((component) => {
-        const componentTypeProductId =
-          (component?.product as AnyRecord)?.typeProductId ||
-          ((component?.product as AnyRecord)?.typeProduct as AnyRecord)?.id ||
-          null
-        if (typeProductId && componentTypeProductId === typeProductId) componentCount += 1
-      })
-
-      let pieceCount = 0
-      pieceAggregates.forEach((piece) => {
-        const pieceTypeProductId =
-          (piece?.product as AnyRecord)?.typeProductId ||
-          ((piece?.product as AnyRecord)?.typeProduct as AnyRecord)?.id ||
-          null
-        if (typeProductId && pieceTypeProductId === typeProductId) pieceCount += 1
-      })
-
-      return {
-        requirement,
-        directProducts,
-        componentCount,
-        pieceCount,
-        totalCount: directProducts.length + componentCount + pieceCount,
-      }
-    })
-  })
-
-  const machineDirectProducts = computed(() => {
-    return productRequirementGroups.value.flatMap((group: AnyRecord) =>
-      ((group.directProducts as AnyRecord[]) || []).map((product) => ({
-        ...product,
-        groupLabel:
-          (group.requirement as AnyRecord).label ||
-          ((group.requirement as AnyRecord).typeProduct as AnyRecord)?.name ||
-          'Produit requis',
-      })),
-    )
-  })
-
   // ---------------------------------------------------------------------------
   // Machine field methods
   // ---------------------------------------------------------------------------
@@ -784,9 +674,6 @@ export function useMachineDetailData(machineId: string) {
       mergeCustomFieldValuesWithDefinitions(
         valueEntries,
         normalizeExistingCustomFieldDefinitions(machine.value.customFields),
-        normalizeExistingCustomFieldDefinitions(
-          (machine.value.typeMachine as AnyRecord)?.customFields,
-        ),
       ),
     ).map((field: AnyRecord) => ({ ...field, readOnly: false }))
     machineCustomFields.value = merged
@@ -977,6 +864,7 @@ export function useMachineDetailData(machineId: string) {
             machine.value.componentLinks = machineComponentLinks.value
             machine.value.pieceLinks = machinePieceLinks.value
           }
+          loadProductDocuments().catch(() => {})
         }
       }
     } catch (error) {
@@ -1126,6 +1014,11 @@ export function useMachineDetailData(machineId: string) {
     collapseToggleToken.value += 1
   }
 
+  const toggleAllPieces = () => {
+    piecesCollapsed.value = !piecesCollapsed.value
+    pieceCollapseToggleToken.value += 1
+  }
+
   // ---------------------------------------------------------------------------
   // Print wrappers
   // ---------------------------------------------------------------------------
@@ -1146,16 +1039,118 @@ export function useMachineDetailData(machineId: string) {
     )
 
   // ---------------------------------------------------------------------------
-  // Piece aggregation (used by skeleton & product requirement groups)
+  // Structure link management
   // ---------------------------------------------------------------------------
 
-  const collectPiecesForSkeleton = (): AnyRecord[] => {
-    const aggregated: AnyRecord[] = []
-    machinePieces.value.forEach((piece) => aggregated.push(piece))
-    flattenedComponents.value.forEach((component) => {
-      ;((component.pieces as AnyRecord[]) || []).forEach((piece) => aggregated.push(piece))
+  const reloadMachineStructure = async () => {
+    const result: any = await get(`/machines/${machineId}/structure`)
+    if (result.success) {
+      const machinePayload =
+        result.data?.machine && typeof result.data.machine === 'object'
+          ? result.data.machine
+          : result.data
+      if (machinePayload && typeof machinePayload === 'object') {
+        machine.value = {
+          ...machine.value,
+          ...machinePayload,
+          documents: machinePayload.documents || (machine.value as AnyRecord)?.documents || [],
+          customFieldValues: machinePayload.customFieldValues || (machine.value as AnyRecord)?.customFieldValues || [],
+        }
+        const linksApplied = applyMachineLinks(result.data)
+        if (linksApplied && machine.value) {
+          machine.value.componentLinks = machineComponentLinks.value
+          machine.value.pieceLinks = machinePieceLinks.value
+          machine.value.productLinks = machineProductLinks.value
+        }
+        syncMachineCustomFields()
+      }
+    }
+  }
+
+  const addComponentLink = async (composantId: string) => {
+    const result: any = await apiPost('/machine_component_links', {
+      machine: `/api/machines/${machineId}`,
+      composant: `/api/composants/${composantId}`,
     })
-    return aggregated
+    if (result.success) {
+      toast.showSuccess('Composant ajouté à la machine')
+      await reloadMachineStructure()
+    } else {
+      toast.showError('Erreur lors de l\'ajout du composant')
+    }
+    return result
+  }
+
+  const removeComponentLink = async (linkId: string) => {
+    const result: any = await apiDel(`/machine_component_links/${linkId}`)
+    if (result.success) {
+      toast.showSuccess('Composant retiré de la machine')
+      await reloadMachineStructure()
+    } else {
+      toast.showError('Erreur lors de la suppression du composant')
+    }
+    return result
+  }
+
+  const addPieceLink = async (pieceId: string, parentComponentLinkId?: string) => {
+    const payload: any = {
+      machine: `/api/machines/${machineId}`,
+      piece: `/api/pieces/${pieceId}`,
+    }
+    if (parentComponentLinkId) {
+      payload.parentLink = `/api/machine_component_links/${parentComponentLinkId}`
+    }
+    const result: any = await apiPost('/machine_piece_links', payload)
+    if (result.success) {
+      toast.showSuccess('Pièce ajoutée à la machine')
+      await reloadMachineStructure()
+    } else {
+      toast.showError('Erreur lors de l\'ajout de la pièce')
+    }
+    return result
+  }
+
+  const removePieceLink = async (linkId: string) => {
+    const result: any = await apiDel(`/machine_piece_links/${linkId}`)
+    if (result.success) {
+      toast.showSuccess('Pièce retirée de la machine')
+      await reloadMachineStructure()
+    } else {
+      toast.showError('Erreur lors de la suppression de la pièce')
+    }
+    return result
+  }
+
+  const addProductLink = async (productId: string, parentComponentLinkId?: string, parentPieceLinkId?: string) => {
+    const payload: any = {
+      machine: `/api/machines/${machineId}`,
+      product: `/api/products/${productId}`,
+    }
+    if (parentComponentLinkId) {
+      payload.parentComponentLink = `/api/machine_component_links/${parentComponentLinkId}`
+    }
+    if (parentPieceLinkId) {
+      payload.parentPieceLink = `/api/machine_piece_links/${parentPieceLinkId}`
+    }
+    const result: any = await apiPost('/machine_product_links', payload)
+    if (result.success) {
+      toast.showSuccess('Produit ajouté à la machine')
+      await reloadMachineStructure()
+    } else {
+      toast.showError('Erreur lors de l\'ajout du produit')
+    }
+    return result
+  }
+
+  const removeProductLink = async (linkId: string) => {
+    const result: any = await apiDel(`/machine_product_links/${linkId}`)
+    if (result.success) {
+      toast.showSuccess('Produit retiré de la machine')
+      await reloadMachineStructure()
+    } else {
+      toast.showError('Erreur lors de la suppression du produit')
+    }
+    return result
   }
 
   // ---------------------------------------------------------------------------
@@ -1165,7 +1160,7 @@ export function useMachineDetailData(machineId: string) {
   const loadMachineData = async () => {
     loading.value = true
     try {
-      const machineResult: any = await get(`/machines/${machineId}/skeleton`)
+      const machineResult: any = await get(`/machines/${machineId}/structure`)
 
       if (!machineResult.success) {
         console.error('Machine non trouvée:', machineId, machineResult.error)
@@ -1233,6 +1228,9 @@ export function useMachineDetailData(machineId: string) {
 
       collapseAllComponents()
 
+      // Load product documents in background
+      loadProductDocuments().catch(() => {})
+
       // Wait for documents if still loading
       await documentPromise
     } catch (error) {
@@ -1256,7 +1254,6 @@ export function useMachineDetailData(machineId: string) {
 
   watch(() => (machine.value as AnyRecord)?.customFieldValues, () => syncMachineCustomFields(), { deep: true })
   watch(() => (machine.value as AnyRecord)?.customFields, () => syncMachineCustomFields(), { deep: true })
-  watch(() => ((machine.value as AnyRecord)?.typeMachine as AnyRecord)?.customFields, () => syncMachineCustomFields(), { deep: true })
   watch(
     () => [components.value.length, machinePieces.value.length],
     () => ensurePrintSelectionEntries(),
@@ -1298,13 +1295,10 @@ export function useMachineDetailData(machineId: string) {
     debug,
     componentsCollapsed,
     collapseToggleToken,
+    piecesCollapsed,
+    pieceCollapseToggleToken,
 
     // Computed
-    machineType,
-    componentRequirements,
-    pieceRequirements,
-    productRequirements,
-    machineHasSkeletonRequirements,
     componentTypeOptions,
     pieceTypeOptions,
     componentTypeLabelMap,
@@ -1313,12 +1307,9 @@ export function useMachineDetailData(machineId: string) {
     productById,
     flattenedComponents,
     machinePieces,
+    machineDirectProducts,
     machineDocumentsList,
     visibleMachineCustomFields,
-    componentRequirementGroups,
-    pieceRequirementGroups,
-    productRequirementGroups,
-    machineDirectProducts,
 
     // Product helpers
     findProductById,
@@ -1331,7 +1322,6 @@ export function useMachineDetailData(machineId: string) {
     findComponentById,
     findPieceById,
     collectConstructeurs,
-    collectPiecesForSkeleton,
 
     // Transform
     transformCustomFields,
@@ -1370,6 +1360,7 @@ export function useMachineDetailData(machineId: string) {
     toggleEditMode,
     toggleAllComponents,
     collapseAllComponents,
+    toggleAllPieces,
 
     // Print
     printModalOpen,
@@ -1384,10 +1375,19 @@ export function useMachineDetailData(machineId: string) {
     loadMachineData,
     loadInitialData,
 
-    // External (needed by skeleton editor)
+    // Structure link management
+    addComponentLink,
+    removeComponentLink,
+    addPieceLink,
+    removePieceLink,
+    addProductLink,
+    removeProductLink,
+    reloadMachineStructure,
+
+    // External
     constructeurs,
     loadProducts,
-    reconfigureMachineSkeleton,
+    updateMachineStructure,
     toast,
 
     // Re-exports for template
diff --git a/app/composables/useMachineHierarchy.ts b/app/composables/useMachineHierarchy.ts
index de9366b..6598a84 100644
--- a/app/composables/useMachineHierarchy.ts
+++ b/app/composables/useMachineHierarchy.ts
@@ -153,8 +153,6 @@ export const buildMachineHierarchyFromLinks = (
     const appliedPiece = (link.piece && typeof link.piece === 'object' ? link.piece : {}) as AnyRecord
     const originalPiece = (link.originalPiece && typeof link.originalPiece === 'object' ? link.originalPiece : null) as AnyRecord | null
 
-    const requirement = (link.typeMachinePieceRequirement || appliedPiece.typeMachinePieceRequirement || originalPiece?.typeMachinePieceRequirement || null) as AnyRecord | null
-
     const machinePieceLinkId = normalizePieceLinkId(link)
     const pieceId = resolveIdentifier(appliedPiece.id, appliedPiece.pieceId, link.pieceId)
 
@@ -170,11 +168,8 @@ export const buildMachineHierarchyFromLinks = (
       constructeur: appliedPiece.constructeur || originalPiece?.constructeur || null,
       constructeurId: appliedPiece.constructeurId || (appliedPiece.constructeur as AnyRecord)?.id || originalPiece?.constructeurId || null,
       documents: Array.isArray(appliedPiece.documents) ? appliedPiece.documents : Array.isArray(originalPiece?.documents) ? originalPiece!.documents : [],
-      typePiece: appliedPiece.typePiece || requirement?.typePiece || null,
-      typePieceId: appliedPiece.typePieceId || (appliedPiece.typePiece as AnyRecord)?.id || requirement?.typePieceId || (requirement?.typePiece as AnyRecord)?.id || null,
-      typeMachinePieceRequirement: requirement,
-      typeMachinePieceRequirementId: requirement?.id || null,
-      requirementId: requirement?.id || null,
+      typePiece: appliedPiece.typePiece || null,
+      typePieceId: appliedPiece.typePieceId || (appliedPiece.typePiece as AnyRecord)?.id || null,
       overrides,
       originalPiece,
       machinePieceLink: link,
@@ -186,11 +181,8 @@ export const buildMachineHierarchyFromLinks = (
       parentLinkId: resolveIdentifier(link.parentLinkId, link.parentMachinePieceLinkId, appliedPiece.parentLinkId),
       parentPieceLinkId: resolveIdentifier(link.parentPieceLinkId, appliedPiece.parentPieceLinkId),
       parentPieceId: resolveIdentifier(appliedPiece.parentPieceId, link.parentPieceId),
-      parentMachineComponentRequirementId: resolveIdentifier(appliedPiece.parentMachineComponentRequirementId, link.parentMachineComponentRequirementId),
-      parentMachinePieceRequirementId: resolveIdentifier(appliedPiece.parentMachinePieceRequirementId, link.parentMachinePieceRequirementId),
       definition: appliedPiece.definition || originalPiece?.definition || {},
       customFields: appliedPiece.customFields || [],
-      skeletonOnly: !pieceId,
     }
 
     const resolvedProductId = resolveIdentifier(appliedPiece.productId, (appliedPiece.product as AnyRecord)?.id, link.productId, (link.product as AnyRecord)?.id, originalPiece?.productId, (originalPiece?.product as AnyRecord)?.id)
@@ -215,8 +207,6 @@ export const buildMachineHierarchyFromLinks = (
     const appliedComponent = (link.composant && typeof link.composant === 'object' ? link.composant : {}) as AnyRecord
     const originalComponent = (link.originalComposant && typeof link.originalComposant === 'object' ? link.originalComposant : null) as AnyRecord | null
 
-    const requirement = (link.typeMachineComponentRequirement || appliedComponent.typeMachineComponentRequirement || originalComponent?.typeMachineComponentRequirement || null) as AnyRecord | null
-
     const machineComponentLinkId = normalizeComponentLinkId(link)
     const composantId = resolveIdentifier(appliedComponent.id, appliedComponent.composantId, link.composantId)
 
@@ -245,11 +235,8 @@ export const buildMachineHierarchyFromLinks = (
       constructeur: appliedComponent.constructeur || originalComponent?.constructeur || null,
       constructeurId: appliedComponent.constructeurId || (appliedComponent.constructeur as AnyRecord)?.id || originalComponent?.constructeurId || null,
       documents: Array.isArray(appliedComponent.documents) ? appliedComponent.documents : Array.isArray(originalComponent?.documents) ? originalComponent!.documents : [],
-      typeComposant: appliedComponent.typeComposant || requirement?.typeComposant || null,
-      typeComposantId: appliedComponent.typeComposantId || (appliedComponent.typeComposant as AnyRecord)?.id || requirement?.typeComposantId || (requirement?.typeComposant as AnyRecord)?.id || null,
-      typeMachineComponentRequirement: requirement,
-      typeMachineComponentRequirementId: requirement?.id || null,
-      requirementId: requirement?.id || null,
+      typeComposant: appliedComponent.typeComposant || null,
+      typeComposantId: appliedComponent.typeComposantId || (appliedComponent.typeComposant as AnyRecord)?.id || null,
       overrides: compOverrides,
       machineComponentLinkOverrides: compOverrides,
       definitionOverrides: compOverrides,
@@ -259,16 +246,12 @@ export const buildMachineHierarchyFromLinks = (
       componentLinkId: machineComponentLinkId,
       parentComponentLinkId: resolveIdentifier(link.parentComponentLinkId, link.parentLinkId, link.parentMachineComponentLinkId, appliedComponent.parentComponentLinkId),
       parentComposantId: resolveIdentifier(appliedComponent.parentComposantId, link.parentComponentId),
-      parentRequirementId: resolveIdentifier(appliedComponent.parentRequirementId, link.parentRequirementId),
-      parentMachineComponentRequirementId: resolveIdentifier(appliedComponent.parentMachineComponentRequirementId, link.parentMachineComponentRequirementId),
-      parentMachinePieceRequirementId: resolveIdentifier(appliedComponent.parentMachinePieceRequirementId, link.parentMachinePieceRequirementId),
       definition: appliedComponent.definition || originalComponent?.definition || {},
       customFields: appliedComponent.customFields || [],
       pieces,
       subComponents,
       subcomponents: subComponents,
       sousComposants: subComponents,
-      skeletonOnly: !composantId,
     }
 
     const constructeurs = collectConstructeurs(allConstructeurs, appliedComponent.constructeurs, appliedComponent.constructeur, appliedComponent.constructeurIds, appliedComponent.constructeurId, originalComponent?.constructeurs, originalComponent?.constructeur, originalComponent?.constructeurIds, originalComponent?.constructeurId)
diff --git a/app/composables/useMachineSkeletonEditor.ts b/app/composables/useMachineSkeletonEditor.ts
deleted file mode 100644
index 9a5bfc1..0000000
--- a/app/composables/useMachineSkeletonEditor.ts
+++ /dev/null
@@ -1,838 +0,0 @@
-/**
- * Machine skeleton editor — selection state, validation & save logic.
- *
- * Extracted from pages/machine/[id].vue (F1.1).
- * Manages the reactive selection state for component / piece / product
- * skeleton requirements, validation, and reconfiguration API calls.
- */
-
-import { ref, reactive, computed } from 'vue'
-import { sanitizeDefinitionOverrides } from '~/shared/modelUtils'
-import {
-  resolveIdentifier,
-  extractParentLinkIdentifiers,
-} from '~/shared/utils/productDisplayUtils'
-import {
-  uniqueConstructeurIds,
-} from '~/shared/constructeurUtils'
-import { resolveLinkArray } from '~/composables/useMachineHierarchy'
-import type { Ref, ComputedRef } from 'vue'
-
-type AnyRecord = Record<string, unknown>
-
-export interface MachineSkeletonEditorDeps {
-  machine: Ref<AnyRecord | null>
-  components: Ref<AnyRecord[]>
-  pieces: Ref<AnyRecord[]>
-  machineComponentLinks: Ref<AnyRecord[]>
-  machinePieceLinks: Ref<AnyRecord[]>
-  machineProductLinks: Ref<AnyRecord[]>
-  machineType: ComputedRef<AnyRecord | null>
-  machineHasSkeletonRequirements: ComputedRef<boolean>
-  componentRequirements: ComputedRef<AnyRecord[]>
-  pieceRequirements: ComputedRef<AnyRecord[]>
-  productRequirements: ComputedRef<AnyRecord[]>
-  componentTypeLabelMap: ComputedRef<Map<string, string>>
-  pieceTypeLabelMap: ComputedRef<Map<string, string>>
-  productInventory: ComputedRef<AnyRecord[]>
-  flattenedComponents: ComputedRef<AnyRecord[]>
-  machinePieces: ComputedRef<AnyRecord[]>
-  machineDocumentsLoaded: Ref<boolean>
-  findProductById: (id: string | null | undefined) => AnyRecord | null
-  findComponentById: (items: AnyRecord[] | undefined, id: string) => AnyRecord | null
-  findPieceById: (id: string) => AnyRecord | null
-  transformCustomFields: (pieces: AnyRecord[]) => AnyRecord[]
-  transformComponentCustomFields: (components: AnyRecord[]) => AnyRecord[]
-  applyMachineLinks: (source: AnyRecord) => boolean
-  collapseAllComponents: () => void
-  initMachineFields: () => void
-  collectPiecesForSkeleton: () => AnyRecord[]
-  constructeurs: Ref<AnyRecord[]>
-  loadProducts: () => Promise<void>
-  reconfigureMachineSkeleton: (id: string, payload: AnyRecord) => Promise<AnyRecord>
-  toast: { showError: (msg: string) => void; showInfo: (msg: string) => void }
-}
-
-export function useMachineSkeletonEditor(deps: MachineSkeletonEditorDeps) {
-  const {
-    machine,
-    components,
-    pieces,
-    machineComponentLinks,
-    machinePieceLinks,
-    machineProductLinks,
-    machineType,
-    machineHasSkeletonRequirements,
-    productRequirements,
-    componentTypeLabelMap,
-    pieceTypeLabelMap,
-    productInventory,
-    flattenedComponents,
-    machineDocumentsLoaded,
-    findProductById,
-    findComponentById,
-    findPieceById,
-    transformCustomFields,
-    transformComponentCustomFields,
-    applyMachineLinks,
-    collapseAllComponents,
-    initMachineFields,
-    collectPiecesForSkeleton,
-    loadProducts,
-    reconfigureMachineSkeleton,
-    toast,
-  } = deps
-
-  // ---------------------------------------------------------------------------
-  // View state
-  // ---------------------------------------------------------------------------
-
-  const activeMachineView = ref<'details' | 'skeleton'>('details')
-  const isDetailsView = computed(() => activeMachineView.value === 'details')
-  const isSkeletonView = computed(() => activeMachineView.value === 'skeleton')
-
-  // ---------------------------------------------------------------------------
-  // Editor state
-  // ---------------------------------------------------------------------------
-
-  const skeletonEditor = reactive({
-    open: false,
-    loading: false,
-    submitting: false,
-  })
-
-  const componentRequirementSelections = reactive<Record<string, AnyRecord[]>>({})
-  const pieceRequirementSelections = reactive<Record<string, AnyRecord[]>>({})
-  const productRequirementSelections = reactive<Record<string, AnyRecord[]>>({})
-
-  // ---------------------------------------------------------------------------
-  // Helpers
-  // ---------------------------------------------------------------------------
-
-  const isPlainObject = (value: unknown): boolean =>
-    Object.prototype.toString.call(value) === '[object Object]'
-
-  const getComponentRequirementEntries = (requirementId: string): AnyRecord[] =>
-    componentRequirementSelections[requirementId] || []
-
-  const getPieceRequirementEntries = (requirementId: string): AnyRecord[] =>
-    pieceRequirementSelections[requirementId] || []
-
-  const getProductRequirementEntries = (requirementId: string): AnyRecord[] =>
-    productRequirementSelections[requirementId] || []
-
-  // ---------------------------------------------------------------------------
-  // Label resolvers
-  // ---------------------------------------------------------------------------
-
-  const resolveComponentRequirementTypeLabel = (requirement: AnyRecord, entry: AnyRecord): string => {
-    const typeId = (entry?.typeComposantId || requirement?.typeComposantId || null) as string | null
-    if (!typeId) return ((requirement?.typeComposant as AnyRecord)?.name as string) || 'Type non défini'
-    return componentTypeLabelMap.value.get(typeId) || ((requirement?.typeComposant as AnyRecord)?.name as string) || 'Type non défini'
-  }
-
-  const resolvePieceRequirementTypeLabel = (requirement: AnyRecord, entry: AnyRecord): string => {
-    const typeId = (entry?.typePieceId || requirement?.typePieceId || null) as string | null
-    if (!typeId) return ((requirement?.typePiece as AnyRecord)?.name as string) || 'Type non défini'
-    return pieceTypeLabelMap.value.get(typeId) || ((requirement?.typePiece as AnyRecord)?.name as string) || 'Type non défini'
-  }
-
-  const resolveProductRequirementTypeLabel = (requirement: AnyRecord, entry: AnyRecord): string => {
-    const typeId =
-      (entry?.typeProductId as string) ||
-      (requirement?.typeProductId as string) ||
-      ((requirement?.typeProduct as AnyRecord)?.id as string) ||
-      null
-    if (typeId) {
-      const typeMatch = productRequirements.value.find(
-        (req: AnyRecord) =>
-          req.typeProductId === typeId || (req.typeProduct as AnyRecord)?.id === typeId,
-      )
-      if (typeMatch && (typeMatch.typeProduct as AnyRecord)?.name) {
-        return (typeMatch.typeProduct as AnyRecord).name as string
-      }
-    }
-    return ((requirement?.typeProduct as AnyRecord)?.name as string) || 'Catégorie non définie'
-  }
-
-  const getProductOptionsForRequirement = (requirement: AnyRecord): AnyRecord[] => {
-    const requirementTypeId =
-      (requirement?.typeProductId as string) ||
-      ((requirement?.typeProduct as AnyRecord)?.id as string) ||
-      null
-    return (productInventory.value as AnyRecord[]).filter((product) => {
-      if (!product?.id) return false
-      if (!requirementTypeId) return true
-      const productTypeId =
-        (product.typeProductId as string) ||
-        ((product.typeProduct as AnyRecord)?.id as string) ||
-        null
-      return productTypeId === requirementTypeId
-    })
-  }
-
-  // ---------------------------------------------------------------------------
-  // Selection entry factories
-  // ---------------------------------------------------------------------------
-
-  const createComponentSelectionEntry = (requirement: AnyRecord, source: AnyRecord | null = null): AnyRecord => {
-    const link = (source?.machineComponentLink as AnyRecord) || null
-
-    const entry: AnyRecord = {
-      linkId: resolveIdentifier(link?.id, source?.machineComponentLinkId, source?.linkId),
-      composantId: resolveIdentifier(source?.composantId, source?.componentId, source?.id),
-      parentLinkId: resolveIdentifier(link?.parentLinkId, link?.parentComponentLinkId, source?.parentComponentLinkId, source?.parentLinkId),
-      parentRequirementId: resolveIdentifier(link?.parentRequirementId, source?.parentRequirementId, requirement?.parentRequirementId),
-      parentMachineComponentRequirementId: resolveIdentifier(link?.parentMachineComponentRequirementId, source?.parentMachineComponentRequirementId, requirement?.parentMachineComponentRequirementId),
-      parentMachinePieceRequirementId: resolveIdentifier(link?.parentMachinePieceRequirementId, source?.parentMachinePieceRequirementId, requirement?.parentMachinePieceRequirementId),
-      parentComponentId: resolveIdentifier(link?.parentComponentId, source?.parentComponentId),
-      parentPieceId: resolveIdentifier(link?.parentPieceId, source?.parentPieceId),
-      typeComposantId:
-        (source?.typeMachineComponentRequirement as AnyRecord)?.typeComposantId ||
-        source?.typeComposantId ||
-        (source?.typeComposant as AnyRecord)?.id ||
-        requirement?.typeComposantId ||
-        null,
-      definition: {
-        name: source?.name || source?.nom || (requirement?.typeComposant as AnyRecord)?.name || '',
-        reference: source?.reference || '',
-        constructeurIds: [] as string[],
-        constructeurId: null as string | null,
-        prix: source?.prix ?? source?.price ?? null,
-      },
-    }
-
-    const defConstructeurIds = uniqueConstructeurIds(
-      (link?.overrides as AnyRecord)?.constructeurIds,
-      (link?.overrides as AnyRecord)?.constructeurId,
-      source?.constructeurIds,
-      source?.constructeurId,
-      source?.constructeur,
-    )
-    ;(entry.definition as AnyRecord).constructeurIds = defConstructeurIds
-    ;(entry.definition as AnyRecord).constructeurId = defConstructeurIds[0] || null
-
-    if (link?.overrides && isPlainObject(link.overrides)) {
-      entry.definition = { ...(entry.definition as AnyRecord), ...(link.overrides as AnyRecord) }
-    }
-
-    const finalConstructeurIds = uniqueConstructeurIds(
-      (entry.definition as AnyRecord).constructeurIds,
-      (entry.definition as AnyRecord).constructeurId,
-      (entry.definition as AnyRecord).constructeur,
-    )
-    ;(entry.definition as AnyRecord).constructeurIds = finalConstructeurIds
-    ;(entry.definition as AnyRecord).constructeurId = finalConstructeurIds[0] || null
-
-    return entry
-  }
-
-  const createPieceSelectionEntry = (requirement: AnyRecord, source: AnyRecord | null = null): AnyRecord => {
-    const link = (source?.machinePieceLink as AnyRecord) || null
-
-    const entry: AnyRecord = {
-      linkId: resolveIdentifier(link?.id, source?.machinePieceLinkId, source?.linkId),
-      pieceId: resolveIdentifier(source?.pieceId, source?.id),
-      parentLinkId: resolveIdentifier(link?.parentLinkId, source?.parentLinkId),
-      parentComponentLinkId: resolveIdentifier(link?.parentComponentLinkId, source?.parentComponentLinkId, source?.machineComponentLinkId),
-      parentRequirementId: resolveIdentifier(link?.parentRequirementId, source?.parentRequirementId, requirement?.parentRequirementId),
-      parentMachineComponentRequirementId: resolveIdentifier(link?.parentMachineComponentRequirementId, source?.parentMachineComponentRequirementId, requirement?.parentMachineComponentRequirementId),
-      parentMachinePieceRequirementId: resolveIdentifier(link?.parentMachinePieceRequirementId, source?.parentMachinePieceRequirementId, requirement?.parentMachinePieceRequirementId),
-      parentComponentId: resolveIdentifier(link?.parentComponentId, source?.parentComponentId, source?.composantId),
-      parentPieceId: resolveIdentifier(link?.parentPieceId, source?.parentPieceId),
-      composantId: resolveIdentifier(source?.composantId, link?.composantId, link?.componentId),
-      typePieceId:
-        (source?.typeMachinePieceRequirement as AnyRecord)?.typePieceId ||
-        source?.typePieceId ||
-        (source?.typePiece as AnyRecord)?.id ||
-        requirement?.typePieceId ||
-        null,
-      definition: {
-        name: source?.name || source?.nom || (requirement?.typePiece as AnyRecord)?.name || '',
-        reference: source?.reference || '',
-        constructeurIds: [] as string[],
-        constructeurId: null as string | null,
-        prix: source?.prix ?? source?.price ?? null,
-      },
-    }
-
-    const defConstructeurIds = uniqueConstructeurIds(
-      (link?.overrides as AnyRecord)?.constructeurIds,
-      (link?.overrides as AnyRecord)?.constructeurId,
-      source?.constructeurIds,
-      source?.constructeurId,
-      source?.constructeur,
-    )
-    ;(entry.definition as AnyRecord).constructeurIds = defConstructeurIds
-    ;(entry.definition as AnyRecord).constructeurId = defConstructeurIds[0] || null
-
-    if (link?.overrides && isPlainObject(link.overrides)) {
-      entry.definition = { ...(entry.definition as AnyRecord), ...(link.overrides as AnyRecord) }
-    }
-
-    const finalConstructeurIds = uniqueConstructeurIds(
-      (entry.definition as AnyRecord).constructeurIds,
-      (entry.definition as AnyRecord).constructeurId,
-      (entry.definition as AnyRecord).constructeur,
-    )
-    ;(entry.definition as AnyRecord).constructeurIds = finalConstructeurIds
-    ;(entry.definition as AnyRecord).constructeurId = finalConstructeurIds[0] || null
-
-    return entry
-  }
-
-  const createProductSelectionEntry = (requirement: AnyRecord, source: AnyRecord | null = null): AnyRecord => {
-    const link = (source?.machineProductLink as AnyRecord) || source || null
-
-    return {
-      linkId: resolveIdentifier(link?.id, source?.machineProductLinkId, source?.linkId),
-      productId: resolveIdentifier(source?.productId, link?.productId),
-      parentLinkId: resolveIdentifier(link?.parentLinkId, source?.parentLinkId),
-      parentComponentLinkId: resolveIdentifier(link?.parentComponentLinkId, source?.parentComponentLinkId),
-      parentPieceLinkId: resolveIdentifier(link?.parentPieceLinkId, source?.parentPieceLinkId),
-      parentRequirementId: resolveIdentifier(link?.parentRequirementId, source?.parentRequirementId, requirement?.parentRequirementId),
-      parentComponentRequirementId: resolveIdentifier(link?.parentComponentRequirementId, source?.parentComponentRequirementId, requirement?.parentComponentRequirementId),
-      parentPieceRequirementId: resolveIdentifier(link?.parentPieceRequirementId, source?.parentPieceRequirementId, requirement?.parentPieceRequirementId),
-      parentMachineComponentRequirementId: resolveIdentifier(link?.parentMachineComponentRequirementId, source?.parentMachineComponentRequirementId, requirement?.parentMachineComponentRequirementId),
-      parentMachinePieceRequirementId: resolveIdentifier(link?.parentMachinePieceRequirementId, source?.parentMachinePieceRequirementId, requirement?.parentMachinePieceRequirementId),
-      typeProductId: resolveIdentifier(link?.typeProductId, source?.typeProductId, requirement?.typeProductId, (requirement?.typeProduct as AnyRecord)?.id),
-    }
-  }
-
-  // ---------------------------------------------------------------------------
-  // Selection CRUD
-  // ---------------------------------------------------------------------------
-
-  const resetSkeletonRequirementSelections = () => {
-    Object.keys(componentRequirementSelections).forEach((k) => delete componentRequirementSelections[k])
-    Object.keys(pieceRequirementSelections).forEach((k) => delete pieceRequirementSelections[k])
-    Object.keys(productRequirementSelections).forEach((k) => delete productRequirementSelections[k])
-  }
-
-  const addComponentSelectionEntry = (requirement: AnyRecord) => {
-    const entries = getComponentRequirementEntries(requirement.id as string)
-    const max = (requirement.maxCount as number | null) ?? null
-    if (max !== null && entries.length >= max) {
-      toast.showError(
-        `Vous ne pouvez pas ajouter plus de ${max} composant(s) pour ${requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'ce groupe'}`,
-      )
-      return
-    }
-    componentRequirementSelections[requirement.id as string] = [
-      ...entries,
-      createComponentSelectionEntry(requirement),
-    ]
-  }
-
-  const removeComponentSelectionEntry = (requirementId: string, index: number) => {
-    const entries = getComponentRequirementEntries(requirementId)
-    componentRequirementSelections[requirementId] = entries.filter((_, i) => i !== index)
-  }
-
-  const setComponentRequirementType = (requirementId: string, index: number, value: string | null) => {
-    const entry = getComponentRequirementEntries(requirementId)[index]
-    if (!entry) return
-    entry.typeComposantId = value || null
-  }
-
-  const setComponentRequirementConstructeur = (requirementId: string, index: number, value: unknown) => {
-    const entry = getComponentRequirementEntries(requirementId)[index]
-    if (!entry) return
-    const ids = uniqueConstructeurIds(value)
-    ;(entry.definition as AnyRecord).constructeurIds = ids
-    ;(entry.definition as AnyRecord).constructeurId = ids[0] || null
-  }
-
-  const addPieceSelectionEntry = (requirement: AnyRecord) => {
-    const entries = getPieceRequirementEntries(requirement.id as string)
-    const max = (requirement.maxCount as number | null) ?? null
-    if (max !== null && entries.length >= max) {
-      toast.showError(
-        `Vous ne pouvez pas ajouter plus de ${max} pièce(s) pour ${requirement.label || (requirement.typePiece as AnyRecord)?.name || 'ce groupe'}`,
-      )
-      return
-    }
-    pieceRequirementSelections[requirement.id as string] = [
-      ...entries,
-      createPieceSelectionEntry(requirement),
-    ]
-  }
-
-  const removePieceSelectionEntry = (requirementId: string, index: number) => {
-    const entries = getPieceRequirementEntries(requirementId)
-    pieceRequirementSelections[requirementId] = entries.filter((_, i) => i !== index)
-  }
-
-  const setPieceRequirementType = (requirementId: string, index: number, value: string | null) => {
-    const entry = getPieceRequirementEntries(requirementId)[index]
-    if (!entry) return
-    entry.typePieceId = value || null
-  }
-
-  const setPieceRequirementConstructeur = (requirementId: string, index: number, value: unknown) => {
-    const entry = getPieceRequirementEntries(requirementId)[index]
-    if (!entry) return
-    const ids = uniqueConstructeurIds(value)
-    ;(entry.definition as AnyRecord).constructeurIds = ids
-    ;(entry.definition as AnyRecord).constructeurId = ids[0] || null
-  }
-
-  const addProductSelectionEntry = (requirement: AnyRecord) => {
-    const entries = getProductRequirementEntries(requirement.id as string)
-    const max = (requirement.maxCount as number | null) ?? null
-    if (max !== null && entries.length >= max) {
-      toast.showError(
-        `Vous ne pouvez pas ajouter plus de ${max} produit(s) pour ${requirement.label || (requirement.typeProduct as AnyRecord)?.name || 'ce groupe'}`,
-      )
-      return
-    }
-    productRequirementSelections[requirement.id as string] = [
-      ...entries,
-      createProductSelectionEntry(requirement),
-    ]
-  }
-
-  const removeProductSelectionEntry = (requirementId: string, index: number) => {
-    const entries = getProductRequirementEntries(requirementId)
-    productRequirementSelections[requirementId] = entries.filter((_, i) => i !== index)
-  }
-
-  const setProductRequirementProduct = (requirementId: string, index: number, productId: string | null) => {
-    const entry = getProductRequirementEntries(requirementId)[index]
-    if (!entry) return
-    const normalizedProductId = productId || null
-    entry.productId = normalizedProductId
-    if (normalizedProductId) {
-      const product = findProductById(normalizedProductId)
-      entry.typeProductId =
-        (product?.typeProductId as string) ||
-        ((product?.typeProduct as AnyRecord)?.id as string) ||
-        (entry.typeProductId as string) ||
-        null
-    }
-  }
-
-  const setProductRequirementType = (requirementId: string, index: number, value: string | null) => {
-    const entry = getProductRequirementEntries(requirementId)[index]
-    if (!entry) return
-    entry.typeProductId = value || entry.typeProductId || null
-  }
-
-  // ---------------------------------------------------------------------------
-  // Skeleton initialization
-  // ---------------------------------------------------------------------------
-
-  const initializeSkeletonRequirementSelections = async () => {
-    skeletonEditor.loading = true
-    try {
-      resetSkeletonRequirementSelections()
-      const type = machineType.value as AnyRecord
-      if (!type) return
-
-      try {
-        await loadProducts()
-      } catch (error) {
-        console.error('Erreur lors du chargement des produits pour le squelette:', error)
-      }
-
-      ;((type.componentRequirements as AnyRecord[]) || []).forEach((requirement) => {
-        const existing = flattenedComponents.value.filter(
-          (c) => c.typeMachineComponentRequirementId === requirement.id,
-        )
-        const entries = existing.map((c) => createComponentSelectionEntry(requirement, c))
-        const min = (requirement.minCount as number) ?? (requirement.required ? 1 : 0)
-        while (entries.length < min) entries.push(createComponentSelectionEntry(requirement))
-        if (entries.length) componentRequirementSelections[requirement.id as string] = entries
-      })
-
-      const allPieces = collectPiecesForSkeleton()
-      ;((type.pieceRequirements as AnyRecord[]) || []).forEach((requirement) => {
-        const existing = allPieces.filter(
-          (p) => p.typeMachinePieceRequirementId === requirement.id,
-        )
-        const entries = existing.map((p) => createPieceSelectionEntry(requirement, p))
-        const min = (requirement.minCount as number) ?? (requirement.required ? 1 : 0)
-        while (entries.length < min) entries.push(createPieceSelectionEntry(requirement))
-        if (entries.length) pieceRequirementSelections[requirement.id as string] = entries
-      })
-
-      const existingProductLinks = Array.isArray(machineProductLinks.value)
-        ? machineProductLinks.value
-        : Array.isArray(machine.value?.productLinks)
-          ? (machine.value.productLinks as AnyRecord[])
-          : []
-
-      ;((type.productRequirements as AnyRecord[]) || []).forEach((requirement) => {
-        const matches = existingProductLinks.filter((link) => {
-          const reqId = resolveIdentifier(link?.typeMachineProductRequirementId, link?.requirementId)
-          return reqId === requirement.id
-        })
-        const entries = matches.map((link) => createProductSelectionEntry(requirement, link))
-        const min = (requirement.minCount as number) ?? (requirement.required ? 1 : 0)
-        while (entries.length < min) entries.push(createProductSelectionEntry(requirement))
-        if (entries.length) productRequirementSelections[requirement.id as string] = entries
-      })
-    } finally {
-      skeletonEditor.loading = false
-    }
-  }
-
-  // ---------------------------------------------------------------------------
-  // Editor open/close
-  // ---------------------------------------------------------------------------
-
-  const openSkeletonEditor = async () => {
-    if (skeletonEditor.open) return
-    skeletonEditor.open = true
-    await initializeSkeletonRequirementSelections()
-  }
-
-  const closeSkeletonEditor = () => {
-    if (!skeletonEditor.open) return
-    if (skeletonEditor.submitting) return
-    skeletonEditor.open = false
-    skeletonEditor.loading = false
-    skeletonEditor.submitting = false
-    resetSkeletonRequirementSelections()
-  }
-
-  const changeMachineView = async (view: 'details' | 'skeleton') => {
-    if (view === activeMachineView.value) return
-
-    if (view === 'skeleton') {
-      if (!machineHasSkeletonRequirements.value) {
-        toast.showInfo('Aucun squelette configuré pour cette machine.')
-        return
-      }
-      activeMachineView.value = 'skeleton'
-      if (!skeletonEditor.open) {
-        try {
-          await openSkeletonEditor()
-        } catch (error) {
-          console.error("Impossible d'ouvrir l'éditeur de squelette:", error)
-          toast.showError('Impossible de charger les éléments du squelette.')
-          activeMachineView.value = 'details'
-        }
-      }
-      return
-    }
-
-    closeSkeletonEditor()
-    activeMachineView.value = 'details'
-  }
-
-  // ---------------------------------------------------------------------------
-  // Validation & save
-  // ---------------------------------------------------------------------------
-
-  const computeSkeletonProductUsage = (type: AnyRecord): Map<string, number> => {
-    const usage = new Map<string, number>()
-
-    const increment = (typeProductId: string | null) => {
-      if (!typeProductId) return
-      usage.set(typeProductId, (usage.get(typeProductId) ?? 0) + 1)
-    }
-
-    for (const requirement of (type.componentRequirements as AnyRecord[]) || []) {
-      getComponentRequirementEntries(requirement.id as string).forEach((entry) => {
-        if (!entry?.composantId) return
-        const component = findComponentById(components.value, entry.composantId as string)
-        const typeProductId =
-          ((component?.product as AnyRecord)?.typeProductId as string) ||
-          (((component?.product as AnyRecord)?.typeProduct as AnyRecord)?.id as string) ||
-          null
-        increment(typeProductId)
-      })
-    }
-
-    for (const requirement of (type.pieceRequirements as AnyRecord[]) || []) {
-      getPieceRequirementEntries(requirement.id as string).forEach((entry) => {
-        if (!entry?.pieceId) return
-        const piece = findPieceById(entry.pieceId as string)
-        const typeProductId =
-          ((piece?.product as AnyRecord)?.typeProductId as string) ||
-          (((piece?.product as AnyRecord)?.typeProduct as AnyRecord)?.id as string) ||
-          null
-        increment(typeProductId)
-      })
-    }
-
-    for (const requirement of (type.productRequirements as AnyRecord[]) || []) {
-      getProductRequirementEntries(requirement.id as string).forEach((entry) => {
-        if (!entry?.productId) return
-        const product = findProductById(entry.productId as string)
-        const typeProductId =
-          ((product?.typeProductId as string) ||
-          ((product?.typeProduct as AnyRecord)?.id as string) ||
-          (entry?.typeProductId as string) ||
-          (requirement?.typeProductId as string) ||
-          ((requirement?.typeProduct as AnyRecord)?.id as string) ||
-          null)
-        increment(typeProductId)
-      })
-    }
-
-    return usage
-  }
-
-  const validateSkeletonSelections = (type: AnyRecord) => {
-    const errors: string[] = []
-    const componentLinksPayload: AnyRecord[] = []
-    const pieceLinksPayload: AnyRecord[] = []
-    const productLinksPayload: AnyRecord[] = []
-
-    for (const requirement of (type.componentRequirements as AnyRecord[]) || []) {
-      const entries = getComponentRequirementEntries(requirement.id as string)
-      const min = (requirement.minCount as number) ?? (requirement.required ? 1 : 0)
-      const max = (requirement.maxCount as number | null) ?? null
-
-      if (entries.length < min) {
-        errors.push(`Le groupe "${requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'Composants'}" nécessite au moins ${min} élément(s).`)
-      }
-      if (max !== null && entries.length > max) {
-        errors.push(`Le groupe "${requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'Composants'}" ne peut dépasser ${max} élément(s).`)
-      }
-
-      entries.forEach((entry) => {
-        const resolvedTypeId = (entry.typeComposantId || requirement.typeComposantId || null) as string | null
-        if (!resolvedTypeId) {
-          errors.push(`Le groupe "${requirement.label || (requirement.typeComposant as AnyRecord)?.name || 'Composants'}" nécessite un type de composant.`)
-          return
-        }
-        const payload: AnyRecord = { requirementId: requirement.id, typeComposantId: resolvedTypeId }
-        if (entry.linkId) { payload.id = entry.linkId; payload.linkId = entry.linkId }
-        if (entry.composantId) payload.composantId = entry.composantId
-        const overrides = sanitizeDefinitionOverrides(entry.definition)
-        if (overrides) payload.overrides = overrides
-        Object.assign(payload, extractParentLinkIdentifiers(requirement), extractParentLinkIdentifiers(entry))
-        componentLinksPayload.push(payload)
-      })
-    }
-
-    for (const requirement of (type.pieceRequirements as AnyRecord[]) || []) {
-      const entries = getPieceRequirementEntries(requirement.id as string)
-      const min = (requirement.minCount as number) ?? (requirement.required ? 1 : 0)
-      const max = (requirement.maxCount as number | null) ?? null
-
-      if (entries.length < min) {
-        errors.push(`Le groupe "${requirement.label || (requirement.typePiece as AnyRecord)?.name || 'Pièces'}" nécessite au moins ${min} élément(s).`)
-      }
-      if (max !== null && entries.length > max) {
-        errors.push(`Le groupe "${requirement.label || (requirement.typePiece as AnyRecord)?.name || 'Pièces'}" ne peut dépasser ${max} élément(s).`)
-      }
-
-      entries.forEach((entry) => {
-        const resolvedTypeId = (entry.typePieceId || requirement.typePieceId || null) as string | null
-        if (!resolvedTypeId) {
-          errors.push(`Le groupe "${requirement.label || (requirement.typePiece as AnyRecord)?.name || 'Pièces'}" nécessite un type de pièce.`)
-          return
-        }
-        const payload: AnyRecord = { requirementId: requirement.id, typePieceId: resolvedTypeId }
-        if (entry.linkId) { payload.id = entry.linkId; payload.linkId = entry.linkId }
-        if (entry.pieceId) payload.pieceId = entry.pieceId
-        if (entry.composantId) payload.composantId = entry.composantId
-        const overrides = sanitizeDefinitionOverrides(entry.definition)
-        if (overrides) payload.overrides = overrides
-        Object.assign(payload, extractParentLinkIdentifiers(requirement), extractParentLinkIdentifiers(entry))
-        pieceLinksPayload.push(payload)
-      })
-    }
-
-    const productUsage = computeSkeletonProductUsage(type)
-
-    for (const requirement of (type.productRequirements as AnyRecord[]) || []) {
-      const entries = getProductRequirementEntries(requirement.id as string)
-      const max = (requirement.maxCount as number | null) ?? null
-      if (max !== null && entries.length > max) {
-        errors.push(`Le groupe "${requirement.label || (requirement.typeProduct as AnyRecord)?.name || 'Produits'}" ne peut dépasser ${max} sélection(s) directe(s).`)
-      }
-
-      const typeProductId = (requirement.typeProductId as string) || ((requirement.typeProduct as AnyRecord)?.id as string) || null
-      const count = typeProductId ? productUsage.get(typeProductId) ?? 0 : 0
-      const min = (requirement.minCount as number) ?? (requirement.required ? 1 : 0)
-
-      if (count < min) {
-        errors.push(`Le groupe "${requirement.label || (requirement.typeProduct as AnyRecord)?.name || 'Produits'}" nécessite au moins ${min} sélection(s).`)
-      }
-      if (max !== null && count > max) {
-        errors.push(`Le groupe "${requirement.label || (requirement.typeProduct as AnyRecord)?.name || 'Produits'}" ne peut dépasser ${max} sélection(s).`)
-      }
-
-      entries.forEach((entry) => {
-        if (!entry.productId) {
-          errors.push(`Sélectionner un produit pour "${requirement.label || (requirement.typeProduct as AnyRecord)?.name || 'Produits'}".`)
-          return
-        }
-        const product = findProductById(entry.productId as string)
-        if (!product) {
-          errors.push(`Le produit sélectionné est introuvable (ID: ${entry.productId}).`)
-          return
-        }
-        const productTypeId =
-          (product.typeProductId as string) ||
-          ((product.typeProduct as AnyRecord)?.id as string) ||
-          (entry.typeProductId as string) ||
-          null
-        if (typeProductId && productTypeId && productTypeId !== typeProductId) {
-          errors.push(`Le produit "${product.name || product.reference || product.id}" n'appartient pas à la catégorie attendue.`)
-          return
-        }
-        const payload: AnyRecord = { requirementId: requirement.id, productId: entry.productId }
-        if (entry.linkId) { payload.id = entry.linkId; payload.linkId = entry.linkId }
-        if (entry.typeProductId) payload.typeProductId = entry.typeProductId
-        Object.assign(payload, extractParentLinkIdentifiers(requirement), extractParentLinkIdentifiers(entry))
-        productLinksPayload.push(payload)
-      })
-    }
-
-    if (errors.length > 0) return { valid: false as const, error: errors[0] }
-    return {
-      valid: true as const,
-      componentLinks: componentLinksPayload,
-      pieceLinks: pieceLinksPayload,
-      productLinks: productLinksPayload,
-    }
-  }
-
-  // ---------------------------------------------------------------------------
-  // Apply reconfiguration result
-  // ---------------------------------------------------------------------------
-
-  const applySkeletonReconfigurationResult = async (data: AnyRecord) => {
-    if (!data) return
-
-    const updatedMachine = (data.machine as AnyRecord) || data
-    if (updatedMachine) {
-      machine.value = {
-        ...machine.value,
-        ...updatedMachine,
-        documents: (updatedMachine.documents as AnyRecord[]) || (machine.value?.documents as AnyRecord[]) || [],
-      }
-      initMachineFields()
-      machineDocumentsLoaded.value = !!((machine.value!.documents as AnyRecord[])?.length)
-    }
-
-    const linksApplied = applyMachineLinks(data) || applyMachineLinks(updatedMachine)
-    if (linksApplied) {
-      if (machine.value) {
-        machine.value.componentLinks = machineComponentLinks.value
-        machine.value.pieceLinks = machinePieceLinks.value
-        machine.value.productLinks = machineProductLinks.value
-      }
-      collapseAllComponents()
-      return
-    }
-
-    const newComponents = (data.components ?? updatedMachine?.components ?? null) as AnyRecord[] | null
-    if (Array.isArray(newComponents)) {
-      components.value = transformComponentCustomFields(newComponents)
-      collapseAllComponents()
-    }
-
-    const newPieces = (data.pieces ?? updatedMachine?.pieces ?? null) as AnyRecord[] | null
-    if (Array.isArray(newPieces)) {
-      pieces.value = transformCustomFields(newPieces)
-    }
-
-    const prodLinks =
-      resolveLinkArray(data, ['productLinks', 'machineProductLinks']) ??
-      resolveLinkArray(updatedMachine, ['productLinks', 'machineProductLinks'])
-    if (Array.isArray(prodLinks)) {
-      machineProductLinks.value = prodLinks as AnyRecord[]
-      if (machine.value) machine.value.productLinks = prodLinks
-    }
-  }
-
-  // ---------------------------------------------------------------------------
-  // Save
-  // ---------------------------------------------------------------------------
-
-  const saveSkeletonConfiguration = async () => {
-    if (!machine.value?.id) return
-
-    const type = machineType.value as AnyRecord
-    let payload: AnyRecord = { componentLinks: [], pieceLinks: [], productLinks: [] }
-
-    if (type && machineHasSkeletonRequirements.value) {
-      const validation = validateSkeletonSelections(type)
-      if (!validation.valid) {
-        toast.showError((validation as AnyRecord).error as string)
-        return
-      }
-      payload = {
-        componentLinks: (validation as AnyRecord).componentLinks,
-        pieceLinks: (validation as AnyRecord).pieceLinks,
-        productLinks: (validation as AnyRecord).productLinks,
-      }
-    }
-
-    skeletonEditor.submitting = true
-    try {
-      const result = await reconfigureMachineSkeleton(machine.value.id as string, payload)
-      if ((result as AnyRecord).success) {
-        await applySkeletonReconfigurationResult((result as AnyRecord).data as AnyRecord)
-        await changeMachineView('details')
-      } else if ((result as AnyRecord).error) {
-        toast.showError((result as AnyRecord).error as string)
-      }
-    } catch (error) {
-      console.error('Erreur lors de la reconfiguration du squelette de la machine:', error)
-      toast.showError('Erreur lors de la mise à jour des éléments du squelette')
-    } finally {
-      skeletonEditor.submitting = false
-      skeletonEditor.loading = false
-    }
-  }
-
-  // ---------------------------------------------------------------------------
-  // Public API
-  // ---------------------------------------------------------------------------
-
-  return {
-    // View state
-    activeMachineView,
-    isDetailsView,
-    isSkeletonView,
-
-    // Editor state
-    skeletonEditor,
-    componentRequirementSelections,
-    pieceRequirementSelections,
-    productRequirementSelections,
-
-    // Entry getters
-    getComponentRequirementEntries,
-    getPieceRequirementEntries,
-    getProductRequirementEntries,
-
-    // Label resolvers
-    resolveComponentRequirementTypeLabel,
-    resolvePieceRequirementTypeLabel,
-    resolveProductRequirementTypeLabel,
-    getProductOptionsForRequirement,
-
-    // Selection CRUD
-    addComponentSelectionEntry,
-    removeComponentSelectionEntry,
-    setComponentRequirementType,
-    setComponentRequirementConstructeur,
-    addPieceSelectionEntry,
-    removePieceSelectionEntry,
-    setPieceRequirementType,
-    setPieceRequirementConstructeur,
-    addProductSelectionEntry,
-    removeProductSelectionEntry,
-    setProductRequirementProduct,
-    setProductRequirementType,
-
-    // Editor lifecycle
-    openSkeletonEditor,
-    closeSkeletonEditor,
-    changeMachineView,
-    initializeSkeletonRequirementSelections,
-
-    // Validation & save
-    validateSkeletonSelections,
-    saveSkeletonConfiguration,
-  }
-}
diff --git a/app/composables/useMachineTypesApi.ts b/app/composables/useMachineTypesApi.ts
deleted file mode 100644
index a20e375..0000000
--- a/app/composables/useMachineTypesApi.ts
+++ /dev/null
@@ -1,186 +0,0 @@
-import { ref } from 'vue'
-import { useToast } from './useToast'
-import { useApi, type ApiResponse } from './useApi'
-import { extractRelationId } from '~/shared/apiRelations'
-import { extractCollection } from '~/shared/utils/apiHelpers'
-
-export interface MachineTypeRequirement {
-  id?: string
-  label?: string
-  minCount?: number
-  maxCount?: number
-  required?: boolean
-  [key: string]: unknown
-}
-
-export interface MachineType {
-  id: string
-  name: string
-  componentRequirements: MachineTypeRequirement[]
-  pieceRequirements: MachineTypeRequirement[]
-  productRequirements: MachineTypeRequirement[]
-  [key: string]: unknown
-}
-
-const machineTypes = ref<MachineType[]>([])
-const loading = ref(false)
-const loaded = ref(false)
-
-const normalizeRequirementList = (value: unknown, relationKey: string): MachineTypeRequirement[] => {
-  if (!Array.isArray(value)) {
-    return []
-  }
-  return value.map((entry: Record<string, unknown>, _index: number) => {
-    if (!entry || typeof entry !== 'object') {
-      return entry
-    }
-    const normalized = { ...entry }
-    const relationField = relationKey.replace('Id', '')
-    const relationValue = normalized[relationField]
-    if (relationKey && !normalized[relationKey]) {
-      const relationId = extractRelationId(relationValue)
-      if (relationId) {
-        normalized[relationKey] = relationId
-      }
-    }
-    return normalized as MachineTypeRequirement
-  })
-}
-
-const normalizeMachineType = (type: Record<string, unknown>): MachineType | null => {
-  if (!type || typeof type !== 'object') {
-    return null
-  }
-  return {
-    ...type,
-    componentRequirements: normalizeRequirementList(type.componentRequirements, 'typeComposantId'),
-    pieceRequirements: normalizeRequirementList(type.pieceRequirements, 'typePieceId'),
-    productRequirements: normalizeRequirementList(type.productRequirements, 'typeProductId'),
-  } as MachineType
-}
-
-export function useMachineTypesApi() {
-  const { showSuccess } = useToast()
-  const { get, post, put, delete: del } = useApi()
-
-  const loadMachineTypes = async (options: { force?: boolean } = {}): Promise<void> => {
-    if (!options.force && loaded.value) return
-    loading.value = true
-    try {
-      const result = await get('/type_machines')
-      if (result.success) {
-        const items = extractCollection(result.data)
-        machineTypes.value = items
-          .map((item) => normalizeMachineType(item as Record<string, unknown>))
-          .filter((item): item is MachineType => item !== null)
-        loaded.value = true
-      }
-    } catch (error) {
-      console.error('Erreur lors du chargement des types de machines:', error)
-    } finally {
-      loading.value = false
-    }
-  }
-
-  const createMachineType = async (typeData: Partial<MachineType>): Promise<ApiResponse> => {
-    loading.value = true
-    try {
-      const result = await post('/type_machines', typeData)
-      if (result.success) {
-        const normalized = normalizeMachineType(result.data as Record<string, unknown>)
-        if (normalized) machineTypes.value.push(normalized)
-        showSuccess(`Type de machine "${typeData.name}" créé avec succès`)
-      }
-      return result
-    } catch (error) {
-      console.error('Erreur lors de la création du type de machine:', error)
-      return { success: false, error: (error as Error).message }
-    } finally {
-      loading.value = false
-    }
-  }
-
-  const updateMachineType = async (id: string, typeData: Partial<MachineType>): Promise<ApiResponse> => {
-    loading.value = true
-    try {
-      const result = await put(`/type_machines/${id}`, typeData)
-      if (result.success) {
-        const normalized = normalizeMachineType(result.data as Record<string, unknown>)
-        const index = machineTypes.value.findIndex((type) => type.id === id)
-        if (index !== -1 && normalized) {
-          machineTypes.value[index] = normalized
-        }
-        showSuccess(`Type de machine "${typeData.name}" mis à jour avec succès`)
-      }
-      return result
-    } catch (error) {
-      console.error('Erreur lors de la mise à jour du type de machine:', error)
-      return { success: false, error: (error as Error).message }
-    } finally {
-      loading.value = false
-    }
-  }
-
-  const deleteMachineType = async (id: string): Promise<ApiResponse> => {
-    loading.value = true
-    try {
-      const result = await del(`/type_machines/${id}`)
-      if (result.success) {
-        const deletedType = machineTypes.value.find((type) => type.id === id)
-        machineTypes.value = machineTypes.value.filter((type) => type.id !== id)
-        showSuccess(`Type de machine "${deletedType?.name || 'inconnu'}" supprimé avec succès`)
-      }
-      return result
-    } catch (error) {
-      console.error('Erreur lors de la suppression du type de machine:', error)
-      return { success: false, error: (error as Error).message }
-    } finally {
-      loading.value = false
-    }
-  }
-
-  const getMachineTypeById = async (id: string, forceRefresh = false): Promise<ApiResponse> => {
-    // D'abord chercher dans le cache local (sauf si forceRefresh)
-    if (!forceRefresh) {
-      const localType = machineTypes.value.find((type) => type.id === id)
-      if (localType) {
-        return { success: true, data: localType }
-      }
-    }
-
-    // Récupérer depuis l'API
-    try {
-      const result = await get(`/type_machines/${id}`)
-      if (result.success) {
-        const normalized = normalizeMachineType(result.data as Record<string, unknown>)
-        // Mettre à jour le cache local
-        const index = machineTypes.value.findIndex((type) => type.id === id)
-        if (index !== -1 && normalized) {
-          machineTypes.value[index] = normalized
-        } else if (normalized) {
-          machineTypes.value.push(normalized)
-        }
-        return { success: true, data: normalized }
-      }
-      return result
-    } catch (error) {
-      console.error('Erreur lors de la récupération du type de machine:', error)
-      return { success: false, error: (error as Error).message }
-    }
-  }
-
-  const getMachineTypes = (): MachineType[] => machineTypes.value
-  const isLoading = (): boolean => loading.value
-
-  return {
-    machineTypes,
-    loading,
-    loadMachineTypes,
-    createMachineType,
-    updateMachineType,
-    deleteMachineType,
-    getMachineTypeById,
-    getMachineTypes,
-    isLoading,
-  }
-}
diff --git a/app/composables/useMachines.ts b/app/composables/useMachines.ts
index dd589af..84ff519 100644
--- a/app/composables/useMachines.ts
+++ b/app/composables/useMachines.ts
@@ -9,7 +9,6 @@ export interface Machine {
   id: string
   name?: string
   siteId?: string | null
-  typeMachineId?: string | null
   componentLinks?: unknown[]
   pieceLinks?: unknown[]
   [key: string]: unknown
@@ -53,13 +52,6 @@ const normalizeMachineResponse = (payload: unknown): Machine | null => {
     }
   }
 
-  if (!normalized.typeMachineId) {
-    const typeMachineId = extractRelationId(container.typeMachine)
-    if (typeMachineId) {
-      normalized.typeMachineId = typeMachineId
-    }
-  }
-
   const componentLinks = resolveLinkCollection(raw, ['componentLinks', 'machineComponentLinks']) ??
     resolveLinkCollection(container, ['componentLinks', 'machineComponentLinks']) ??
     []
@@ -121,15 +113,6 @@ export function useMachines() {
     }
   }
 
-  const createMachineFromType = async (machineData: Partial<Machine>, typeMachine: { id: string }): Promise<ApiResponse> => {
-    const machineWithStructure = {
-      ...machineData,
-      typeMachineId: typeMachine.id,
-    }
-
-    return await createMachine(machineWithStructure)
-  }
-
   const updateMachineData = async (id: string, machineData: Partial<Machine>): Promise<ApiResponse> => {
     loading.value = true
     try {
@@ -157,14 +140,14 @@ export function useMachines() {
     }
   }
 
-  const reconfigureSkeleton = async (machineId: string, payload: unknown): Promise<ApiResponse> => {
+  const updateStructure = async (machineId: string, payload: unknown): Promise<ApiResponse> => {
     if (!machineId) {
       return { success: false, error: 'Identifiant de machine manquant' }
     }
 
     loading.value = true
     try {
-      const result = await patch(`/machines/${machineId}/skeleton`, payload)
+      const result = await patch(`/machines/${machineId}/structure`, payload)
       if (result.success) {
         const index = machines.value.findIndex((machine) => machine.id === machineId)
         if (index !== -1) {
@@ -180,7 +163,29 @@ export function useMachines() {
       }
       return result
     } catch (error) {
-      console.error('Erreur lors de la reconfiguration du squelette de la machine:', error)
+      console.error('Erreur lors de la mise à jour de la structure de la machine:', error)
+      return { success: false, error: (error as Error).message }
+    } finally {
+      loading.value = false
+    }
+  }
+
+  const cloneMachine = async (sourceId: string, data: { name: string; siteId: string; reference?: string }): Promise<ApiResponse> => {
+    loading.value = true
+    try {
+      const result = await post(`/machines/${sourceId}/clone`, data)
+      if (result.success) {
+        const clonedMachine = normalizeMachineResponse(result.data) ||
+          normalizeMachineResponse((result.data as Record<string, unknown>)?.machine) ||
+          null
+        if (clonedMachine) {
+          machines.value.push(clonedMachine)
+        }
+        showSuccess(`Machine "${clonedMachine?.name || data.name}" clonée avec succès`)
+      }
+      return result
+    } catch (error) {
+      console.error('Erreur lors du clonage de la machine:', error)
       return { success: false, error: (error as Error).message }
     } finally {
       loading.value = false
@@ -241,10 +246,6 @@ export function useMachines() {
     return machines.value.filter((machine) => machine.siteId === siteId)
   }
 
-  const getMachinesByType = (typeMachineId: string): Machine[] => {
-    return machines.value.filter((machine) => machine.typeMachineId === typeMachineId)
-  }
-
   const getMachines = (): Machine[] => machines.value
   const isLoading = (): boolean => loading.value
 
@@ -253,13 +254,12 @@ export function useMachines() {
     loading,
     loadMachines,
     createMachine,
-    createMachineFromType,
     updateMachine: updateMachineData,
-    reconfigureSkeleton,
+    updateStructure,
+    cloneMachine,
     deleteMachine,
     getMachineById,
     getMachinesBySite,
-    getMachinesByType,
     getMachines,
     isLoading,
     addMissingCustomFields,
diff --git a/app/pages/component/[id]/edit.vue b/app/pages/component/[id]/edit.vue
index 7f875bd..aea3a59 100644
--- a/app/pages/component/[id]/edit.vue
+++ b/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 },
       )
diff --git a/app/pages/component/create.vue b/app/pages/component/create.vue
index 18a511b..3797dd0 100644
--- a/app/pages/component/create.vue
+++ b/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) {
diff --git a/app/pages/index.vue b/app/pages/index.vue
index c390610..2387ad4 100644
--- a/app/pages/index.vue
+++ b/app/pages/index.vue
@@ -49,35 +49,18 @@
             </div>
             <div class="form-control">
               <label class="label">
-                <span class="label-text">Type de machine</span>
+                <span class="label-text">Site</span>
               </label>
-              <select v-model="selectedType" class="select select-bordered">
+              <select v-model="selectedSiteFilter" class="select select-bordered">
                 <option value="">
-                  Tous les types
+                  Tous les sites
                 </option>
                 <option
-                  v-for="type in machineTypes"
-                  :key="type.id"
-                  :value="type.id"
+                  v-for="site in sites"
+                  :key="site.id"
+                  :value="site.id"
                 >
-                  {{ type.name }}
-                </option>
-              </select>
-            </div>
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text">Catégorie</span>
-              </label>
-              <select v-model="selectedCategory" class="select select-bordered">
-                <option value="">
-                  Toutes les catégories
-                </option>
-                <option
-                  v-for="category in categories"
-                  :key="category"
-                  :value="category"
-                >
-                  {{ category }}
+                  {{ site.name }}
                 </option>
               </select>
             </div>
@@ -208,27 +191,9 @@
                       <h4 class="font-semibold text-sm">
                         {{ machine.name }}
                       </h4>
-                      <div
-                        class="badge badge-sm"
-                        :class="
-                          getCategoryBadgeClass(machine.typeMachine?.category)
-                        "
-                      >
-                        {{ machine.typeMachine?.category || "N/A" }}
-                      </div>
                     </div>
 
                     <div class="space-y-1 text-xs text-gray-600">
-                      <div class="flex items-center gap-1">
-                        <IconLucideSettings2
-                          class="w-3 h-3"
-                          aria-hidden="true"
-                        />
-                        <span>{{
-                          machine.typeMachine?.name || "Type inconnu"
-                        }}</span>
-                      </div>
-
                       <div
                         v-if="machine.reference"
                         class="flex items-center gap-1"
@@ -373,78 +338,17 @@
             </div>
           </div>
 
-          <div class="grid grid-cols-1 md:grid-cols-2 gap-4 mb-4">
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text">Type de machine</span>
-              </label>
-              <select
-                v-model="newMachine.typeMachineId"
-                class="select select-bordered"
-                :disabled="!canEdit"
-                required
-              >
-                <option value="">
-                  Sélectionner un type
-                </option>
-                <option
-                  v-for="type in machineTypes"
-                  :key="type.id"
-                  :value="type.id"
-                >
-                  {{ type.name }} ({{ type.category }})
-                </option>
-              </select>
-            </div>
-
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text">Référence</span>
-              </label>
-              <input
-                v-model="newMachine.reference"
-                type="text"
-                placeholder="Ex: PRESS-001"
-                class="input input-bordered"
-                :disabled="!canEdit"
-              >
-            </div>
-          </div>
-
-          <!-- Type Preview -->
-          <div
-            v-if="selectedMachineType"
-            class="mb-4 p-4 bg-gray-50 rounded-lg"
-          >
-            <h4 class="font-semibold text-sm mb-2">
-              Structure du type sélectionné :
-            </h4>
-            <div class="text-xs space-y-1">
-              <div class="flex items-center gap-2">
-                <span class="font-medium">Familles de composants :</span>
-                <span class="badge badge-sm">{{
-                  selectedMachineType.componentRequirements?.length || 0
-                }}</span>
-              </div>
-              <div class="flex items-center gap-2">
-                <span class="font-medium">Groupes de pièces :</span>
-                <span class="badge badge-sm">{{
-                  selectedMachineType.pieceRequirements?.length || 0
-                }}</span>
-              </div>
-              <div class="flex items-center gap-2">
-                <span class="font-medium">Produits requis :</span>
-                <span class="badge badge-sm">{{
-                  selectedMachineType.productRequirements?.length || 0
-                }}</span>
-              </div>
-              <div class="flex items-center gap-2">
-                <span class="font-medium">Catégorie :</span>
-                <span class="badge badge-outline badge-sm">{{
-                  selectedMachineType.category
-                }}</span>
-              </div>
-            </div>
+          <div class="form-control mb-4">
+            <label class="label">
+              <span class="label-text">Référence</span>
+            </label>
+            <input
+              v-model="newMachine.reference"
+              type="text"
+              placeholder="Ex: PRESS-001"
+              class="input input-bordered"
+              :disabled="!canEdit"
+            >
           </div>
 
           <div class="modal-action">
@@ -469,7 +373,6 @@
 import { ref, reactive, onMounted, computed } from 'vue'
 import SiteContactFormFields from '~/components/sites/SiteContactFormFields.vue'
 import { useSites } from '~/composables/useSites'
-import { useMachineTypesApi } from '~/composables/useMachineTypesApi'
 import { useMachines } from '~/composables/useMachines'
 import { useToast } from '~/composables/useToast'
 import { humanizeError } from '~/shared/utils/errorMessages'
@@ -479,22 +382,19 @@ import IconLucideUser from '~icons/lucide/user'
 import IconLucidePhone from '~icons/lucide/phone'
 import IconLucideMapPinned from '~icons/lucide/map-pinned'
 import IconLucideChevronDown from '~icons/lucide/chevron-down'
-import IconLucideSettings2 from '~icons/lucide/settings-2'
 import IconLucideTag from '~icons/lucide/tag'
 import { formatPhone } from '~/utils/formatters/phone'
 import { extractRelationId } from '~/shared/apiRelations'
 
 const { canEdit } = usePermissions()
 const { sites, loading, loadSites, createSite } = useSites()
-const { machineTypes, loadMachineTypes } = useMachineTypesApi()
-const { machines, loadMachines, createMachineFromType, deleteMachine } = useMachines()
+const { machines, loadMachines, createMachine, deleteMachine } = useMachines()
 
 // Data
 const showAddSiteModal = ref(false)
 const showAddMachineModal = ref(false)
 const searchTerm = ref('')
-const selectedType = ref('')
-const selectedCategory = ref('')
+const selectedSiteFilter = ref('')
 const collapsedSites = ref([])
 
 const newSite = reactive({
@@ -509,48 +409,14 @@ const newSite = reactive({
 const newMachine = reactive({
   name: '',
   siteId: '',
-  typeMachineId: '',
   reference: ''
 })
 
 // Computed
-const selectedMachineType = computed(() => {
-  if (!newMachine.typeMachineId) { return null }
-  return machineTypes.value.find(
-    type => type.id === newMachine.typeMachineId
-  )
-})
-
-const categories = computed(() => {
-  const cats = new Set()
-  machineTypes.value.forEach((type) => {
-    if (type.category) { cats.add(type.category) }
-  })
-  return Array.from(cats)
-})
-
-const machinesWithType = computed(() => {
-  return machines.value.map((machine) => {
-    const resolvedTypeMachineId = machine.typeMachineId || extractRelationId(machine.typeMachine)
-    const resolvedTypeMachine = resolvedTypeMachineId
-      ? machineTypes.value.find(type => type.id === resolvedTypeMachineId) || null
-      : null
-
-    return {
-      ...machine,
-      typeMachineId: resolvedTypeMachineId || machine.typeMachineId,
-      typeMachine:
-        machine.typeMachine && typeof machine.typeMachine === 'object'
-          ? machine.typeMachine
-          : resolvedTypeMachine
-    }
-  })
-})
-
 const machinesBySiteId = computed(() => {
   const map = new Map()
 
-  machinesWithType.value.forEach((machine) => {
+  machines.value.forEach((machine) => {
     const siteId = machine.siteId || extractRelationId(machine.site)
     if (!siteId) { return }
 
@@ -588,6 +454,11 @@ const formatPhoneDisplay = (value) => {
 const filteredSites = computed(() => {
   let filtered = sitesWithMachines.value
 
+  // Filtrer par site
+  if (selectedSiteFilter.value) {
+    filtered = filtered.filter(site => site.id === selectedSiteFilter.value)
+  }
+
   // Filtrer par terme de recherche
   if (searchTerm.value) {
     filtered = filtered.filter((site) => {
@@ -616,33 +487,6 @@ const filteredSites = computed(() => {
     })
   }
 
-  // Filtrer par type de machine
-  if (selectedType.value) {
-    filtered = filtered
-      .map(site => ({
-        ...site,
-        machines:
-          site.machines?.filter(
-            machine => machine.typeMachineId === selectedType.value
-          ) || []
-      }))
-      .filter(site => site.machines.length > 0)
-  }
-
-  // Filtrer par catégorie
-  if (selectedCategory.value) {
-    filtered = filtered
-      .map(site => ({
-        ...site,
-        machines:
-          site.machines?.filter(
-            machine =>
-              machine.typeMachine?.category === selectedCategory.value
-          ) || []
-      }))
-      .filter(site => site.machines.length > 0)
-  }
-
   return filtered
 })
 
@@ -670,27 +514,15 @@ const handleCreateSite = async () => {
 }
 
 const handleCreateMachine = async () => {
-  if (!selectedMachineType.value) {
-    console.error('Aucun type de machine sélectionné')
-    return
-  }
-
-  const machineData = {
+  const result = await createMachine({
     name: newMachine.name,
     siteId: newMachine.siteId,
     reference: newMachine.reference
-  }
-
-  const result = await createMachineFromType(
-    machineData,
-    selectedMachineType.value
-  )
+  })
 
   if (result.success) {
-    // Reset form
     newMachine.name = ''
     newMachine.siteId = ''
-    newMachine.typeMachineId = ''
     newMachine.reference = ''
     showAddMachineModal.value = false
     await loadMachines()
@@ -745,19 +577,8 @@ const addMachineToSite = (site) => {
   showAddMachineModal.value = true
 }
 
-const getCategoryBadgeClass = (category) => {
-  const classes = {
-    Production: 'badge-primary',
-    Transformation: 'badge-secondary',
-    Manutention: 'badge-accent',
-    Traitement: 'badge-info',
-    Contrôle: 'badge-warning'
-  }
-  return classes[category] || 'badge-neutral'
-}
-
 // Lifecycle
 onMounted(async () => {
-  await Promise.all([loadSites(), loadMachineTypes(), loadMachines()])
+  await Promise.all([loadSites(), loadMachines()])
 })
 </script>
diff --git a/app/pages/machine-skeleton/index.vue b/app/pages/machine-skeleton/index.vue
deleted file mode 100644
index 02ae0b9..0000000
--- a/app/pages/machine-skeleton/index.vue
+++ /dev/null
@@ -1,164 +0,0 @@
-<template>
-  <main class="container mx-auto px-6 py-8">
-    <!-- Machine Types List -->
-    <div class="my-8">
-      <!-- Header with Add Button -->
-      <div class="flex justify-between items-center mb-6">
-        <h2 class="text-2xl font-bold text-gray-800">Squelettes de machine</h2>
-        <NuxtLink to="/machine-skeleton/new" class="btn btn-primary">
-          <IconLucidePlus class="w-5 h-5 mr-2" aria-hidden="true" />
-          Créer un type
-        </NuxtLink>
-      </div>
-
-      <!-- Categories Tabs -->
-      <div class="tabs tabs-boxed mb-6">
-        <a
-          v-for="category in categories"
-          :key="category"
-          class="tab"
-          :class="{ 'tab-active': selectedCategory === category }"
-          @click="selectedCategory = category"
-        >
-          {{ category }}
-        </a>
-      </div>
-
-      <!-- Machine Types Grid -->
-      <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
-        <div
-          v-for="type in filteredTypes"
-          :key="type.id"
-          class="card bg-base-100 shadow-lg hover:shadow-xl transition-all duration-300 cursor-pointer"
-        >
-          <div class="card-body">
-            <div class="flex items-center justify-between mb-4">
-              <h3 class="card-title text-lg">
-                {{ type.name }}
-              </h3>
-              <div class="badge badge-primary">
-                {{ type.category }}
-              </div>
-            </div>
-            <p class="text-gray-600 mb-4">
-              {{ type.description }}
-            </p>
-            <div class="space-y-2 text-sm text-gray-500">
-              <div class="flex items-center gap-2">
-                <IconLucidePackage class="w-4 h-4" aria-hidden="true" />
-                <span
-                  >{{ type.componentRequirements?.length || 0 }} famille(s) de
-                  composants</span
-                >
-              </div>
-              <div class="flex items-center gap-2">
-                <IconLucideLayoutGrid class="w-4 h-4" aria-hidden="true" />
-                <span
-                  >{{ type.pieceRequirements?.length || 0 }} groupe(s) de
-                  pièces</span
-                >
-              </div>
-              <div class="flex items-center gap-2">
-                <IconLucideBox class="w-4 h-4" aria-hidden="true" />
-                <span
-                  >{{ type.productRequirements?.length || 0 }} produit(s)
-                  requis</span
-                >
-              </div>
-            </div>
-            <div class="card-actions justify-end mt-4">
-              <button
-                v-if="canEdit"
-                class="btn btn-sm btn-error"
-                @click.stop="confirmDeleteType(type)"
-              >
-                Supprimer
-              </button>
-              <NuxtLink :to="`/type/${type.id}`" class="btn btn-sm btn-outline">
-                Voir détails
-              </NuxtLink>
-            </div>
-          </div>
-        </div>
-      </div>
-
-      <!-- Empty State -->
-      <div v-if="filteredTypes.length === 0" class="text-center py-12">
-        <div class="avatar placeholder">
-          <div class="bg-neutral text-neutral-content rounded-full w-16">
-            <IconLucideLayoutGrid class="w-8 h-8" aria-hidden="true" />
-          </div>
-        </div>
-        <h3 class="text-lg font-semibold text-gray-600 mt-4">
-          Aucun type trouvé
-        </h3>
-        <p class="text-gray-500">
-          Aucun type de machine ne correspond à cette catégorie.
-        </p>
-      </div>
-    </div>
-  </main>
-</template>
-
-<script setup>
-import { ref, computed, onMounted } from "vue";
-import { useMachineTypesApi } from "~/composables/useMachineTypesApi";
-import { useToast } from "~/composables/useToast";
-import { humanizeError } from "~/shared/utils/errorMessages";
-import IconLucidePlus from "~icons/lucide/plus";
-import IconLucidePackage from "~icons/lucide/package";
-import IconLucideLayoutGrid from "~icons/lucide/layout-grid";
-import IconLucideBox from "~icons/lucide/box";
-
-const { canEdit } = usePermissions();
-const { machineTypes, loadMachineTypes, deleteMachineType } =
-  useMachineTypesApi();
-
-const categories = ref([
-  "Toutes",
-  "Production",
-  "Transformation",
-  "Manutention",
-  "Traitement",
-  "Contrôle",
-]);
-
-const selectedCategory = ref("Toutes");
-
-const filteredTypes = computed(() => {
-  if (selectedCategory.value === "Toutes") {
-    return machineTypes.value;
-  }
-  return machineTypes.value.filter(
-    (type) => type.category === selectedCategory.value
-  );
-});
-
-const { confirm: confirmDialog } = useConfirm();
-
-const confirmDeleteType = async (type) => {
-  const { showError, showSuccess } = useToast();
-
-  if (
-    await confirmDialog({
-      message: `Êtes-vous sûr de vouloir supprimer le type "${type.name}" ? Cette action est irréversible.`,
-    })
-  ) {
-    try {
-      const result = await deleteMachineType(type.id);
-      if (result.success) {
-        showSuccess(`Type "${type.name}" supprimé avec succès`);
-      } else {
-        showError(`Impossible de supprimer le type : ${result.error}`);
-      }
-    } catch (error) {
-      showError(`Impossible de supprimer le type : ${humanizeError(error.message)}`);
-    }
-  }
-};
-
-// Load machine types on mount
-onMounted(async () => {
-  await loadMachineTypes();
-});
-</script>
diff --git a/app/pages/machine-skeleton/new.vue b/app/pages/machine-skeleton/new.vue
deleted file mode 100644
index 1ac2fdc..0000000
--- a/app/pages/machine-skeleton/new.vue
+++ /dev/null
@@ -1,265 +0,0 @@
-<template>
-  <main class="container mx-auto px-6 py-8 space-y-8">
-    <div class="card bg-base-100 shadow-xl">
-      <div class="card-body space-y-6">
-        <div class="flex items-center gap-3">
-          <span class="inline-flex h-10 w-10 items-center justify-center rounded-full bg-primary/10 text-primary">
-            <IconLucidePlus
-              class="h-5 w-5"
-              aria-hidden="true"
-            />
-          </span>
-          <div>
-            <h2 class="card-title text-2xl">
-              Nouveau type de machine
-            </h2>
-            <p class="text-sm text-gray-500">
-              Complétez les informations puis enregistrez pour générer le nouveau type.
-            </p>
-          </div>
-        </div>
-
-        <div :class="{ 'pointer-events-none opacity-60': !canEdit }">
-          <TypeEditForm
-            :key="formKey"
-            v-model="draftType"
-            :saving="!canEdit || creating"
-            :resettable="false"
-            submit-label="Créer le type"
-            submit-loading-label="Création..."
-            @submit="handleSubmit"
-          />
-        </div>
-      </div>
-    </div>
-
-    <section class="space-y-4">
-      <div v-if="initialLoading" class="text-center py-12 text-sm text-gray-500">
-        Chargement des types existants...
-      </div>
-      <template v-else>
-        <div v-if="recentTypes.length" class="space-y-4">
-          <h3 class="text-xl font-semibold">
-            Types générés récemment
-          </h3>
-          <div class="grid grid-cols-1 gap-4 md:grid-cols-2 lg:grid-cols-3">
-            <article
-              v-for="type in recentTypes"
-              :key="type.id"
-              class="card bg-base-100 shadow-md border border-base-200"
-            >
-              <div class="card-body space-y-2">
-                <div class="flex items-center justify-between">
-                  <h4 class="card-title text-base">
-                    {{ type.name }}
-                  </h4>
-                  <span v-if="type.category" class="badge badge-outline badge-sm">{{ type.category }}</span>
-                </div>
-                <p class="text-sm text-gray-600 line-clamp-3">
-                  {{ type.description || 'Aucune description' }}
-                </p>
-                <div class="text-xs text-gray-500 flex items-center gap-2">
-                  <span class="inline-flex items-center gap-1">
-                    <IconLucideClipboardList class="h-4 w-4" aria-hidden="true" />
-                    {{ type.componentRequirements?.length || 0 }} famille(s)
-                  </span>
-                  <span class="inline-flex items-center gap-1">
-                    <IconLucideList class="h-4 w-4" aria-hidden="true" />
-                    {{ type.pieceRequirements?.length || 0 }} groupe(s) de pièces
-                  </span>
-                  <span class="inline-flex items-center gap-1">
-                    <IconLucideBox class="h-4 w-4" aria-hidden="true" />
-                    {{ type.productRequirements?.length || 0 }} produit(s)
-                  </span>
-                </div>
-              </div>
-            </article>
-          </div>
-        </div>
-        <div v-else class="text-center py-12 text-sm text-gray-500">
-          Aucun type généré récemment.
-        </div>
-      </template>
-    </section>
-  </main>
-</template>
-
-<script setup>
-import { ref, computed, onMounted } from 'vue'
-import { useMachineTypesApi } from '~/composables/useMachineTypesApi'
-import { useToast } from '~/composables/useToast'
-import { extractRelationId } from '~/shared/apiRelations'
-import IconLucidePlus from '~icons/lucide/plus'
-import IconLucideClipboardList from '~icons/lucide/clipboard-list'
-import IconLucideList from '~icons/lucide/list'
-import IconLucideBox from '~icons/lucide/box'
-
-const { machineTypes, loadMachineTypes, createMachineType } = useMachineTypesApi()
-const { showError } = useToast()
-const { canEdit } = usePermissions()
-
-const formKey = ref(0)
-const creating = ref(false)
-const initialLoading = ref(true)
-
-const createEmptyType = () => ({
-  name: '',
-  description: '',
-  category: '',
-  maintenanceFrequency: '',
-  customFields: [],
-  componentRequirements: [],
-  pieceRequirements: [],
-  productRequirements: []
-})
-
-const draftType = ref(createEmptyType())
-
-const recentTypes = computed(() => machineTypes.value.slice(-3).reverse())
-
-onMounted(async () => {
-  if (!machineTypes.value.length) {
-    try {
-      initialLoading.value = true
-      await loadMachineTypes()
-    } finally {
-      initialLoading.value = false
-    }
-  } else {
-    initialLoading.value = false
-  }
-})
-
-const parseOptions = (field = {}) => {
-  if (field.type !== 'select') { return [] }
-  if (field.optionsText && typeof field.optionsText === 'string') {
-    return field.optionsText
-      .split('\n')
-      .map(option => option.trim())
-      .filter(Boolean)
-  }
-  if (Array.isArray(field.options)) {
-    return field.options
-      .map(option => String(option).trim())
-      .filter(Boolean)
-  }
-  return []
-}
-
-const toModelTypeIri = (value) => {
-  if (!value) {
-    return undefined
-  }
-  if (typeof value === 'string' && value.startsWith('/api/model_types/')) {
-    return value
-  }
-  const relationId = extractRelationId(value)
-  if (relationId) {
-    return `/api/model_types/${relationId}`
-  }
-  return typeof value === 'string' ? `/api/model_types/${value}` : undefined
-}
-
-const normalizeCustomFields = (fields = []) =>
-  fields
-    .filter(field => field?.name && field.name.trim() !== '')
-    .map((field, index) => ({
-      name: field.name,
-      type: field.type || '',
-      required: !!field.required,
-      options: parseOptions(field),
-      orderIndex: typeof field.orderIndex === 'number' ? field.orderIndex : index
-    }))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((field, index) => ({ ...field, orderIndex: index }))
-
-const toIntegerOrNull = (value, fallback = null) => {
-  if (value === '' || value === undefined || value === null) {
-    return fallback
-  }
-  const parsed = Number(value)
-  return Number.isFinite(parsed) ? parsed : fallback
-}
-
-const normalizeComponentRequirements = (requirements = []) =>
-  requirements
-    .filter(req => req?.typeComposantId || req?.typeComposant)
-    .map((req, index) => ({
-      typeComposant: toModelTypeIri(req.typeComposantId || req.typeComposant),
-      label: req.label?.trim() ? req.label.trim() : undefined,
-      minCount: toIntegerOrNull(req.minCount, 1),
-      maxCount: toIntegerOrNull(req.maxCount, null),
-      required: req.required ?? true,
-      allowNewModels: req.allowNewModels ?? true,
-      orderIndex: typeof req.orderIndex === 'number' ? req.orderIndex : index
-    }))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((req, index) => ({ ...req, orderIndex: index }))
-
-const normalizePieceRequirements = (requirements = []) =>
-  requirements
-    .filter(req => req?.typePieceId || req?.typePiece)
-    .map((req, index) => ({
-      typePiece: toModelTypeIri(req.typePieceId || req.typePiece),
-      label: req.label?.trim() ? req.label.trim() : undefined,
-      minCount: toIntegerOrNull(req.minCount, 0),
-      maxCount: toIntegerOrNull(req.maxCount, null),
-      required: req.required ?? false,
-      allowNewModels: req.allowNewModels ?? true,
-      orderIndex: typeof req.orderIndex === 'number' ? req.orderIndex : index
-    }))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((req, index) => ({ ...req, orderIndex: index }))
-
-const normalizeProductRequirements = (requirements = []) =>
-  requirements
-    .filter(req => req?.typeProductId || req?.typeProduct)
-    .map((req, index) => ({
-      typeProduct: toModelTypeIri(req.typeProductId || req.typeProduct),
-      label: req.label?.trim() ? req.label.trim() : undefined,
-      minCount: toIntegerOrNull(req.minCount, 0),
-      maxCount: toIntegerOrNull(req.maxCount, null),
-      required: req.required ?? false,
-      allowNewModels: req.allowNewModels ?? true,
-      orderIndex: typeof req.orderIndex === 'number' ? req.orderIndex : index
-    }))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((req, index) => ({ ...req, orderIndex: index }))
-
-const buildPayload = typeData => ({
-  name: typeData.name,
-  description: typeData.description,
-  category: typeData.category,
-  maintenanceFrequency: typeData.maintenanceFrequency,
-  customFields: normalizeCustomFields(typeData.customFields),
-  componentRequirements: normalizeComponentRequirements(typeData.componentRequirements),
-  pieceRequirements: normalizePieceRequirements(typeData.pieceRequirements),
-  productRequirements: normalizeProductRequirements(typeData.productRequirements)
-})
-
-const resetForm = () => {
-  draftType.value = createEmptyType()
-  formKey.value += 1
-}
-
-const handleSubmit = async () => {
-  if (!draftType.value.name?.trim()) {
-    showError('Le nom du type est requis.')
-    return
-  }
-
-  const payload = buildPayload(draftType.value)
-
-  creating.value = true
-  const result = await createMachineType(payload)
-  creating.value = false
-
-  if (result?.success) {
-    resetForm()
-  } else if (result?.error) {
-    showError(result.error)
-  } else {
-    showError('Impossible de créer le type.')
-  }
-}
-</script>
diff --git a/app/pages/machine/[id].vue b/app/pages/machine/[id].vue
index c0a95d0..11790cd 100644
--- a/app/pages/machine/[id].vue
+++ b/app/pages/machine/[id].vue
@@ -17,117 +17,120 @@
       <!-- Header with actions -->
       <MachineDetailHeader
         :title="machineViewTitle"
-        :is-details-view="s.isDetailsView.value"
-        :is-skeleton-view="s.isSkeletonView.value"
         :is-edit-mode="d.isEditMode.value"
-        :has-skeleton-requirements="d.machineHasSkeletonRequirements.value"
-        @change-view="s.changeMachineView"
         @toggle-edit="d.toggleEditMode"
         @open-print="d.openPrintModal"
       />
 
-      <template v-if="s.isDetailsView.value">
-        <!-- Debug info -->
-        <div v-if="d.debug.value" class="bg-yellow-100 p-4 rounded-lg">
-          <p>Debug: Machine trouvée - {{ d.machine.value.name }}</p>
-          <p>Components count: {{ d.components.value.length }}</p>
-          <p>Pieces count: {{ d.pieces.value.length }}</p>
-        </div>
+      <!-- Debug info -->
+      <div v-if="d.debug.value" class="bg-yellow-100 p-4 rounded-lg">
+        <p>Debug: Machine trouvée - {{ d.machine.value.name }}</p>
+        <p>Components count: {{ d.components.value.length }}</p>
+        <p>Pieces count: {{ d.pieces.value.length }}</p>
+      </div>
 
-        <!-- Hero -->
-        <PageHero
-          :title="d.machine.value.name"
-          :subtitle="d.machine.value.description || d.machine.value.typeMachine?.description"
-          min-height="min-h-[20vh]"
-          max-width="max-w-md"
-          rounded
-        >
-          <div class="flex justify-center gap-4">
-            <div v-if="d.machine.value.typeMachine?.category" class="badge badge-outline">
-              {{ d.machine.value.typeMachine?.category }}
-            </div>
-            <div v-if="d.machine.value.site?.name" class="badge badge-outline">
-              {{ d.machine.value.site?.name }}
-            </div>
-            <div v-if="d.machine.value.reference" class="badge badge-outline">
-              {{ d.machine.value.reference }}
-            </div>
+      <!-- Hero -->
+      <PageHero
+        :title="d.machine.value.name"
+        :subtitle="d.machine.value.description"
+        min-height="min-h-[20vh]"
+        max-width="max-w-md"
+        rounded
+      >
+        <div class="flex justify-center gap-4">
+          <div v-if="d.machine.value.site?.name" class="badge badge-outline">
+            {{ d.machine.value.site?.name }}
+          </div>
+          <div v-if="d.machine.value.reference" class="badge badge-outline">
+            {{ d.machine.value.reference }}
           </div>
-        </PageHero>
-
-        <!-- Machine Info Card -->
-        <MachineInfoCard
-          :is-edit-mode="d.isEditMode.value"
-          :machine-name="d.machineName.value"
-          :machine-reference="d.machineReference.value"
-          :machine-constructeur-ids="d.machineConstructeurIds.value"
-          :machine-constructeurs-display="d.machineConstructeursDisplay.value"
-          :has-machine-constructeur="d.hasMachineConstructeur.value"
-          :visible-custom-fields="d.visibleMachineCustomFields.value"
-          :get-machine-field-id="d.getMachineFieldId"
-          @update:machine-name="d.machineName.value = $event"
-          @update:machine-reference="d.machineReference.value = $event"
-          @update:constructeur-ids="d.handleMachineConstructeurChange"
-          @blur-field="d.updateMachineInfo"
-          @set-custom-field-value="d.setMachineCustomFieldValue"
-          @update-custom-field="d.updateMachineCustomField"
-        />
-
-        <!-- Documents -->
-        <MachineDocumentsCard
-          :documents="d.machineDocumentsList.value"
-          :is-edit-mode="d.isEditMode.value"
-          :uploading="d.machineDocumentsUploading.value"
-          :files="d.machineDocumentFiles.value"
-          @update:files="d.machineDocumentFiles.value = $event"
-          @files-added="d.handleMachineFilesAdded"
-          @preview="d.openPreview"
-          @download="d.downloadDocument"
-          @remove="d.removeMachineDocument"
-        />
-
-        <!-- Produits associés -->
-        <MachineProductsCard :products="d.machineDirectProducts.value" />
-
-        <!-- Components Section -->
-        <MachineComponentsCard
-          :components="d.components.value"
-          :is-edit-mode="d.isEditMode.value"
-          :collapsed="d.componentsCollapsed.value"
-          :collapse-toggle-token="d.collapseToggleToken.value"
-          @toggle-collapse="d.toggleAllComponents"
-          @update-component="d.updateComponent"
-          @edit-piece="d.updatePieceFromComponent"
-          @custom-field-update="d.updatePieceCustomField"
-        />
-
-        <!-- Machine Pieces Section -->
-        <MachinePiecesCard
-          :pieces="d.machinePieces.value"
-          :is-edit-mode="d.isEditMode.value"
-          @update-piece="d.updatePieceInfo"
-          @edit-piece="d.editPiece"
-          @custom-field-update="d.updatePieceCustomField"
-        />
-
-        <!-- Comments -->
-        <div class="mt-4">
-          <CommentSection
-            entity-type="machine"
-            :entity-id="String(machineId)"
-            :entity-name="d.machine.value?.name"
-            show-resolved
-          />
         </div>
-      </template>
+      </PageHero>
 
-      <template v-else>
-        <MachineSkeletonSummary
-          :component-requirement-groups="d.componentRequirementGroups.value"
-          :piece-requirement-groups="d.pieceRequirementGroups.value"
-          :product-requirement-groups="d.productRequirementGroups.value"
+      <!-- Machine Info Card -->
+      <MachineInfoCard
+        :is-edit-mode="d.isEditMode.value"
+        :machine-name="d.machineName.value"
+        :machine-reference="d.machineReference.value"
+        :machine-constructeur-ids="d.machineConstructeurIds.value"
+        :machine-constructeurs-display="d.machineConstructeursDisplay.value"
+        :has-machine-constructeur="d.hasMachineConstructeur.value"
+        :visible-custom-fields="d.visibleMachineCustomFields.value"
+        :get-machine-field-id="d.getMachineFieldId"
+        @update:machine-name="d.machineName.value = $event"
+        @update:machine-reference="d.machineReference.value = $event"
+        @update:constructeur-ids="d.handleMachineConstructeurChange"
+        @blur-field="d.updateMachineInfo"
+        @set-custom-field-value="d.setMachineCustomFieldValue"
+        @update-custom-field="d.updateMachineCustomField"
+      />
+
+      <!-- Documents -->
+      <MachineDocumentsCard
+        :documents="d.machineDocumentsList.value"
+        :is-edit-mode="d.isEditMode.value"
+        :uploading="d.machineDocumentsUploading.value"
+        :files="d.machineDocumentFiles.value"
+        @update:files="d.machineDocumentFiles.value = $event"
+        @files-added="d.handleMachineFilesAdded"
+        @preview="d.openPreview"
+        @download="d.downloadDocument"
+        @remove="d.removeMachineDocument"
+      />
+
+      <!-- Produits associés -->
+      <MachineProductsCard
+        :products="d.machineDirectProducts.value"
+        :is-edit-mode="d.isEditMode.value"
+        @add-product="openAddModal('product')"
+        @remove-product="d.removeProductLink"
+      />
+
+      <!-- Components Section -->
+      <MachineComponentsCard
+        :components="d.components.value"
+        :is-edit-mode="d.isEditMode.value"
+        :collapsed="d.componentsCollapsed.value"
+        :collapse-toggle-token="d.collapseToggleToken.value"
+        @toggle-collapse="d.toggleAllComponents"
+        @update-component="d.updateComponent"
+        @edit-piece="d.updatePieceFromComponent"
+        @custom-field-update="d.updatePieceCustomField"
+        @add-component="openAddModal('component')"
+        @remove-component="d.removeComponentLink"
+      />
+
+      <!-- Machine Pieces Section -->
+      <MachinePiecesCard
+        :pieces="d.machinePieces.value"
+        :is-edit-mode="d.isEditMode.value"
+        :collapsed="d.piecesCollapsed.value"
+        :collapse-toggle-token="d.pieceCollapseToggleToken.value"
+        @update-piece="d.updatePieceInfo"
+        @edit-piece="d.editPiece"
+        @custom-field-update="d.updatePieceCustomField"
+        @add-piece="openAddModal('piece')"
+        @remove-piece="d.removePieceLink"
+        @toggle-collapse="d.toggleAllPieces"
+      />
+
+      <!-- Add Entity Modal -->
+      <AddEntityToMachineModal
+        :open="addModalOpen"
+        :entity-kind="addModalKind"
+        @close="addModalOpen = false"
+        @confirm="handleAddEntity"
+      />
+
+      <!-- Comments -->
+      <div class="mt-4">
+        <CommentSection
+          entity-type="machine"
+          :entity-id="String(machineId)"
+          :entity-name="d.machine.value?.name"
+          show-resolved
         />
-      </template>
+      </div>
     </div>
 
     <!-- Error State -->
@@ -156,10 +159,9 @@
 </template>
 
 <script setup>
-import { computed, onMounted } from 'vue'
+import { computed, ref, onMounted } from 'vue'
 import { useRoute } from 'vue-router'
 import { useMachineDetailData } from '~/composables/useMachineDetailData'
-import { useMachineSkeletonEditor } from '~/composables/useMachineSkeletonEditor'
 import DocumentPreviewModal from '~/components/DocumentPreviewModal.vue'
 import PageHero from '~/components/PageHero.vue'
 import MachinePrintSelectionModal from '~/components/MachinePrintSelectionModal.vue'
@@ -169,7 +171,7 @@ import MachineDocumentsCard from '~/components/machine/MachineDocumentsCard.vue'
 import MachineProductsCard from '~/components/machine/MachineProductsCard.vue'
 import MachineComponentsCard from '~/components/machine/MachineComponentsCard.vue'
 import MachinePiecesCard from '~/components/machine/MachinePiecesCard.vue'
-import MachineSkeletonSummary from '~/components/machine/MachineSkeletonSummary.vue'
+import AddEntityToMachineModal from '~/components/machine/AddEntityToMachineModal.vue'
 import IconLucideAlertTriangle from '~icons/lucide/alert-triangle'
 
 const route = useRoute()
@@ -182,41 +184,25 @@ if (!machineId) {
 
 const d = useMachineDetailData(machineId)
 
-const s = useMachineSkeletonEditor({
-  machine: d.machine,
-  components: d.components,
-  pieces: d.pieces,
-  machineComponentLinks: d.machineComponentLinks,
-  machinePieceLinks: d.machinePieceLinks,
-  machineProductLinks: d.machineProductLinks,
-  machineType: d.machineType,
-  machineHasSkeletonRequirements: d.machineHasSkeletonRequirements,
-  componentRequirements: d.componentRequirements,
-  pieceRequirements: d.pieceRequirements,
-  productRequirements: d.productRequirements,
-  componentTypeLabelMap: d.componentTypeLabelMap,
-  pieceTypeLabelMap: d.pieceTypeLabelMap,
-  productInventory: d.productInventory,
-  flattenedComponents: d.flattenedComponents,
-  machinePieces: d.machinePieces,
-  machineDocumentsLoaded: d.machineDocumentsLoaded,
-  findProductById: d.findProductById,
-  findComponentById: d.findComponentById,
-  findPieceById: d.findPieceById,
-  transformCustomFields: d.transformCustomFields,
-  transformComponentCustomFields: d.transformComponentCustomFields,
-  applyMachineLinks: d.applyMachineLinks,
-  collapseAllComponents: d.collapseAllComponents,
-  initMachineFields: d.initMachineFields,
-  collectPiecesForSkeleton: d.collectPiecesForSkeleton,
-  constructeurs: d.constructeurs,
-  loadProducts: d.loadProducts,
-  reconfigureMachineSkeleton: d.reconfigureMachineSkeleton,
-  toast: d.toast,
-})
+const addModalOpen = ref(false)
+const addModalKind = ref('component')
+
+const openAddModal = (kind) => {
+  addModalKind.value = kind
+  addModalOpen.value = true
+}
+
+const handleAddEntity = async (entityId) => {
+  if (addModalKind.value === 'component') {
+    await d.addComponentLink(entityId)
+  } else if (addModalKind.value === 'piece') {
+    await d.addPieceLink(entityId)
+  } else {
+    await d.addProductLink(entityId)
+  }
+}
 
 const machineViewTitle = computed(() => {
-  if (s.isSkeletonView.value) return 'Squelette de la machine'
   return d.isEditMode.value ? 'Modification de la machine' : 'Détails de la machine'
 })
 
diff --git a/app/pages/machines/index.vue b/app/pages/machines/index.vue
index 5402d28..c372355 100644
--- a/app/pages/machines/index.vue
+++ b/app/pages/machines/index.vue
@@ -13,7 +13,7 @@
 
       <div class="card bg-base-100 shadow-lg mb-6">
         <div class="card-body">
-          <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
+          <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
             <div class="form-control">
               <label class="label">
                 <span class="label-text">Site</span>
@@ -29,29 +29,14 @@
             </div>
             <div class="form-control">
               <label class="label">
-                <span class="label-text">Type de machine</span>
+                <span class="label-text">Recherche</span>
               </label>
-              <select v-model="selectedType" class="select select-bordered">
-                <option value="">
-                  Tous les types
-                </option>
-                <option v-for="type in machineTypes" :key="type.id" :value="type.id">
-                  {{ type.name }}
-                </option>
-              </select>
-            </div>
-            <div class="form-control">
-              <label class="label">
-                <span class="label-text">Catégorie</span>
-              </label>
-              <select v-model="selectedCategory" class="select select-bordered">
-                <option value="">
-                  Toutes les catégories
-                </option>
-                <option v-for="category in categories" :key="category" :value="category">
-                  {{ category }}
-                </option>
-              </select>
+              <input
+                v-model="searchQuery"
+                type="text"
+                placeholder="Rechercher par nom ou référence..."
+                class="input input-bordered"
+              >
             </div>
           </div>
         </div>
@@ -88,26 +73,14 @@
               <h3 class="card-title text-lg">
                 {{ machine.name }}
               </h3>
-              <div class="badge badge-primary badge-sm">
-                {{ machine.typeMachine?.category || 'N/A' }}
-              </div>
             </div>
 
-            <p class="text-sm text-gray-600 mb-3">
-              {{ machine.description || machine.typeMachine?.description }}
-            </p>
-
             <div class="space-y-2 text-sm">
               <div class="flex items-center gap-2">
                 <IconLucideMapPin class="w-4 h-4 text-blue-500" aria-hidden="true" />
                 <span class="text-gray-600">{{ machine.site?.name || 'Site inconnu' }}</span>
               </div>
 
-              <div class="flex items-center gap-2">
-                <IconLucideSettings2 class="w-4 h-4 text-green-500" aria-hidden="true" />
-                <span class="text-gray-600">{{ machine.typeMachine?.name || 'Type inconnu' }}</span>
-              </div>
-
               <div v-if="machine.reference" class="flex items-center gap-2">
                 <IconLucideTag class="w-4 h-4 text-orange-500" aria-hidden="true" />
                 <span class="text-gray-600">{{ machine.reference }}</span>
@@ -136,44 +109,28 @@
 import { ref, computed, onMounted } from 'vue'
 import { useMachines } from '~/composables/useMachines'
 import { useSites } from '~/composables/useSites'
-import { useMachineTypesApi } from '~/composables/useMachineTypesApi'
 import { useToast } from '~/composables/useToast'
 import { humanizeError } from '~/shared/utils/errorMessages'
 import IconLucidePlus from '~icons/lucide/plus'
 import IconLucideFactory from '~icons/lucide/factory'
 import IconLucideMapPin from '~icons/lucide/map-pin'
-import IconLucideSettings2 from '~icons/lucide/settings-2'
 import IconLucideTag from '~icons/lucide/tag'
 
 const { canEdit } = usePermissions()
 const { machines, loading, loadMachines, deleteMachine } = useMachines()
 const { sites, loadSites } = useSites()
-const { machineTypes, loadMachineTypes } = useMachineTypesApi()
 const toast = useToast()
 
 const selectedSite = ref('')
-const selectedType = ref('')
-const selectedCategory = ref('')
+const searchQuery = ref('')
 
-const categories = computed(() => {
-  const cats = new Set()
-  machineTypes.value.forEach((type) => {
-    if (type.category) {
-      cats.add(type.category)
-    }
-  })
-  return Array.from(cats)
-})
-
-// Enrichir les machines avec les objets site et typeMachine complets
+// Enrichir les machines avec les objets site complets
 const enrichedMachines = computed(() => {
   return machines.value.map((machine) => {
     const site = sites.value.find(s => s.id === machine.siteId)
-    const typeMachine = machineTypes.value.find(t => t.id === machine.typeMachineId)
     return {
       ...machine,
       site: site || null,
-      typeMachine: typeMachine || null
     }
   })
 })
@@ -185,12 +142,12 @@ const filteredMachines = computed(() => {
     filtered = filtered.filter(machine => machine.siteId === selectedSite.value)
   }
 
-  if (selectedType.value) {
-    filtered = filtered.filter(machine => machine.typeMachineId === selectedType.value)
-  }
-
-  if (selectedCategory.value) {
-    filtered = filtered.filter(machine => machine.typeMachine?.category === selectedCategory.value)
+  if (searchQuery.value.trim()) {
+    const term = searchQuery.value.trim().toLowerCase()
+    filtered = filtered.filter(machine =>
+      machine.name?.toLowerCase().includes(term)
+      || machine.reference?.toLowerCase().includes(term),
+    )
   }
 
   return filtered
@@ -227,7 +184,6 @@ onMounted(async () => {
   await Promise.all([
     loadMachines(),
     loadSites(),
-    loadMachineTypes()
   ])
 })
 </script>
diff --git a/app/pages/machines/new.vue b/app/pages/machines/new.vue
index d101585..9ad5a23 100644
--- a/app/pages/machines/new.vue
+++ b/app/pages/machines/new.vue
@@ -1,13 +1,13 @@
 <template>
   <main class="container mx-auto px-6 py-8">
-    <div class="max-w-5xl mx-auto">
+    <div class="max-w-3xl mx-auto">
       <div class="flex flex-wrap items-center justify-between gap-3 mb-6">
         <div>
           <h1 class="text-2xl font-bold">
             Nouvelle machine
           </h1>
           <p class="text-sm text-gray-500">
-            Renseignez les informations et la configuration avant de créer la machine.
+            Renseignez les informations de base pour créer la machine.
           </p>
         </div>
         <NuxtLink to="/machines" class="btn btn-ghost">
@@ -15,21 +15,25 @@
         </NuxtLink>
       </div>
 
-      <form class="space-y-6" @submit.prevent="c.finalizeMachineCreation">
+      <div v-if="c.loading" class="flex justify-center items-center py-12">
+        <span class="loading loading-spinner loading-lg" />
+      </div>
+
+      <form v-else class="space-y-6" @submit.prevent="c.finalizeMachineCreation">
         <div class="card bg-base-100 shadow-lg">
           <div class="card-body space-y-6">
             <!-- Basic fields -->
             <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
               <div class="form-control">
                 <label class="label" for="machine-field-name">
-                  <span class="label-text">Nom de la machine</span>
+                  <span class="label-text">Nom de la machine <span class="text-error">*</span></span>
                 </label>
                 <input
                   id="machine-field-name"
                   v-model="c.newMachine.name"
                   type="text"
                   placeholder="Ex: Presse hydraulique #1"
-                  class="input input-bordered"
+                  class="input input-bordered input-sm md:input-md"
                   :disabled="!canEdit"
                   required
                 >
@@ -37,9 +41,15 @@
 
               <div class="form-control">
                 <label class="label" for="machine-field-site">
-                  <span class="label-text">Site</span>
+                  <span class="label-text">Site <span class="text-error">*</span></span>
                 </label>
-                <select id="machine-field-site" v-model="c.newMachine.siteId" class="select select-bordered" :disabled="!canEdit" required>
+                <select
+                  id="machine-field-site"
+                  v-model="c.newMachine.siteId"
+                  class="select select-bordered select-sm md:select-md"
+                  :disabled="!canEdit"
+                  required
+                >
                   <option value="">
                     Sélectionner un site
                   </option>
@@ -52,129 +62,43 @@
 
             <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
               <div class="form-control">
-                <label class="label">
-                  <span class="label-text">Type de machine</span>
+                <label class="label" for="machine-field-reference">
+                  <span class="label-text">Référence</span>
                 </label>
-                <SearchSelect
-                  v-model="c.newMachine.typeMachineId"
-                  :options="c.machineTypes"
-                  :loading="c.machineTypesLoading"
+                <input
+                  id="machine-field-reference"
+                  v-model="c.newMachine.reference"
+                  type="text"
+                  placeholder="Ex: PRESS-001"
+                  class="input input-bordered input-sm md:input-md"
                   :disabled="!canEdit"
-                  placeholder="Rechercher un type…"
-                  empty-text="Aucun type trouvé"
-                  :option-label="c.machineTypeLabel"
-                  :option-description="c.machineTypeDescription"
-                />
+                >
               </div>
 
               <div class="form-control">
                 <label class="label">
-                  <span class="label-text">Référence</span>
+                  <span class="label-text">Cloner depuis une machine</span>
                 </label>
-                <input
-                  v-model="c.newMachine.reference"
-                  type="text"
-                  placeholder="Ex: PRESS-001"
-                  class="input input-bordered"
+                <SearchSelect
+                  v-model="c.newMachine.cloneFromMachineId"
+                  :options="c.machines"
                   :disabled="!canEdit"
-                >
+                  :clearable="true"
+                  placeholder="Rechercher une machine..."
+                  empty-text="Aucune machine trouvée"
+                />
               </div>
             </div>
 
-            <!-- Type structure summary -->
-            <div v-if="c.selectedMachineType" class="p-4 bg-gray-50 rounded-lg space-y-2 text-sm">
-              <h4 class="font-semibold text-sm">
-                Structure du type sélectionné :
-              </h4>
-              <div class="flex flex-wrap gap-3">
-                <span class="inline-flex items-center gap-2">
-                  <span class="font-medium">Familles de composants :</span>
-                  <span class="badge badge-sm">{{ c.selectedMachineType.componentRequirements?.length || 0 }}</span>
-                </span>
-                <span class="inline-flex items-center gap-2">
-                  <span class="font-medium">Groupes de pièces :</span>
-                  <span class="badge badge-sm">{{ c.selectedMachineType.pieceRequirements?.length || 0 }}</span>
-                </span>
-                <span class="inline-flex items-center gap-2">
-                  <span class="font-medium">Produits requis :</span>
-                  <span class="badge badge-sm">{{ c.selectedMachineType.productRequirements?.length || 0 }}</span>
-                </span>
-                <span class="inline-flex items-center gap-2">
-                  <span class="font-medium">Catégorie :</span>
-                  <span class="badge badge-outline badge-sm">{{ c.selectedMachineType.category || 'N/A' }}</span>
-                </span>
-              </div>
-              <p
-                v-if="(c.selectedMachineType.componentRequirements?.length || 0) === 0 && (c.selectedMachineType.pieceRequirements?.length || 0) === 0 && (c.selectedMachineType.productRequirements?.length || 0) === 0"
-                class="text-xs text-gray-500"
-              >
-                Ce type n'a pas encore de familles configurées. La machine héritera de la structure legacy du type.
-              </p>
-            </div>
-
-            <!-- Requirement selectors -->
-            <RequirementComponentSelector
-              :requirements="c.selectedMachineType?.componentRequirements || []"
-              :loading="c.composantsLoading"
-              :get-entries="c.getComponentRequirementEntries"
-              :get-options="c.getComponentOptions"
-              :resolve-type-label="c.resolveComponentRequirementTypeLabel"
-              :find-by-id="c.findComponentById"
-              :option-label="c.componentOptionLabel"
-              :option-description="c.componentOptionDescription"
-              @add-entry="c.addComponentSelectionEntry"
-              @remove-entry="c.removeComponentSelectionEntry"
-              @set-component="c.setComponentRequirementComponent"
-            />
-
-            <RequirementPieceSelector
-              :requirements="c.selectedMachineType?.pieceRequirements || []"
-              :loading="c.piecesLoading"
-              :piece-loading-by-key="c.pieceLoadingByKey"
-              :get-entries="c.getPieceRequirementEntries"
-              :get-options="c.getPieceOptions"
-              :get-piece-key="c.getPieceKey"
-              :resolve-type-label="c.resolvePieceRequirementTypeLabel"
-              :find-by-id="c.findPieceById"
-              :option-label="c.pieceOptionLabel"
-              :option-description="c.pieceOptionDescription"
-              @add-entry="c.addPieceSelectionEntry"
-              @remove-entry="c.removePieceSelectionEntry"
-              @set-piece="c.setPieceRequirementPiece"
-              @search="c.fetchPieceOptions"
-            />
-
-            <RequirementProductSelector
-              :requirements="c.selectedMachineType?.productRequirements || []"
-              :products-loading="c.productsLoading"
-              :get-entries="c.getProductRequirementEntries"
-              :get-product-options="c.getProductOptions"
-              :find-by-id="c.findProductById"
-              @add-entry="c.addProductSelectionEntry"
-              @remove-entry="c.removeProductSelectionEntry"
-              @set-product="c.setProductRequirementProduct"
-            />
-
-            <!-- Preview -->
-            <MachineCreatePreview :preview="c.machinePreview" />
-
-            <!-- Blocking issues warning -->
-            <div
-              v-if="c.blockingPreviewIssues.length"
-              class="text-xs text-error bg-error/10 border border-error/20 rounded-md px-3 py-2"
-            >
-              Compléter les informations bloquantes avant de créer la machine.
-            </div>
-
             <!-- Actions -->
             <div class="flex justify-end gap-3 pt-4 border-t border-base-200">
-              <NuxtLink to="/machines" class="btn btn-outline">
+              <NuxtLink to="/machines" class="btn btn-outline btn-sm md:btn-md">
                 Annuler
               </NuxtLink>
               <button
                 type="submit"
-                class="btn btn-primary"
-                :disabled="!canEdit || !c.canCreateMachine || c.submitting"
+                class="btn btn-sm md:btn-md btn-primary"
+                :disabled="!canEdit || !c.newMachine.name?.trim() || c.submitting"
                 :class="{ loading: c.submitting }"
               >
                 Créer la machine
@@ -191,10 +115,6 @@
 import { proxyRefs } from 'vue'
 import { useMachineCreatePage } from '~/composables/useMachineCreatePage'
 import SearchSelect from '~/components/common/SearchSelect.vue'
-import RequirementComponentSelector from '~/components/machine/create/RequirementComponentSelector.vue'
-import RequirementPieceSelector from '~/components/machine/create/RequirementPieceSelector.vue'
-import RequirementProductSelector from '~/components/machine/create/RequirementProductSelector.vue'
-import MachineCreatePreview from '~/components/machine/create/MachineCreatePreview.vue'
 
 const c = proxyRefs(useMachineCreatePage())
 const { canEdit } = usePermissions()
diff --git a/app/pages/pieces/[id]/edit.vue b/app/pages/pieces/[id]/edit.vue
index 1f6b0bf..d5d06b2 100644
--- a/app/pages/pieces/[id]/edit.vue
+++ b/app/pages/pieces/[id]/edit.vue
@@ -945,7 +945,6 @@ const submitEdition = async () => {
         updatedPiece.id,
         [
           updatedPiece?.typePiece?.pieceCustomFields,
-          updatedPiece?.typeMachinePieceRequirement?.typePiece?.pieceCustomFields,
         ],
         { customFieldInputs, upsertCustomFieldValue, updateCustomFieldValue, toast },
       )
diff --git a/app/pages/pieces/create.vue b/app/pages/pieces/create.vue
index ef60d6a..6105f7c 100644
--- a/app/pages/pieces/create.vue
+++ b/app/pages/pieces/create.vue
@@ -573,7 +573,6 @@ const submitCreation = async () => {
         createdPiece.id,
         [
           createdPiece?.typePiece?.pieceCustomFields,
-          createdPiece?.typeMachinePieceRequirement?.typePiece?.pieceCustomFields,
         ],
         { customFieldInputs, upsertCustomFieldValue, updateCustomFieldValue, toast },
       )
diff --git a/app/pages/type/[id].vue b/app/pages/type/[id].vue
deleted file mode 100644
index 6e91de5..0000000
--- a/app/pages/type/[id].vue
+++ /dev/null
@@ -1,215 +0,0 @@
-<template>
-  <main class="container mx-auto px-6 py-8">
-    <!-- Loading State -->
-    <div v-if="loading" class="my-8 text-center">
-      <div class="loading loading-spinner loading-lg" />
-      <p class="mt-4 text-gray-600">
-        Chargement du type...
-      </p>
-    </div>
-
-    <!-- Type Details -->
-    <div v-else-if="type" class="my-8">
-      <div class="card bg-base-100 shadow-xl">
-        <div class="card-body">
-          <div class="flex items-center justify-between mb-6">
-            <h2 class="card-title text-2xl">
-              {{ typePageTitle }}
-            </h2>
-            <div class="flex gap-2">
-              <NuxtLink :to="`/type/edit/${type.id}`" class="btn btn-secondary">
-                <IconLucideSquarePen class="w-4 h-4 mr-2" aria-hidden="true" />
-                Éditer complètement
-              </NuxtLink>
-              <NuxtLink to="/machine-skeleton" class="btn btn-outline">
-                Retour
-              </NuxtLink>
-            </div>
-          </div>
-
-          <!-- Current Type Info -->
-          <TypeInfoDisplay :type="type" />
-
-          <!-- Familles de composants -->
-          <div v-if="componentRequirementCount > 0" class="mb-8 space-y-3">
-            <h3 class="text-lg font-semibold">
-              Familles de composants
-            </h3>
-            <div class="space-y-3">
-              <div
-                v-for="requirement in type.componentRequirements"
-                :key="requirement.id"
-                class="border border-base-200 rounded-lg p-4 bg-base-100"
-              >
-                <div class="flex items-start justify-between gap-2">
-                  <div>
-                    <h4 class="text-sm font-semibold">
-                      {{ requirement.label || requirement.typeComposant?.name || 'Famille' }}
-                    </h4>
-                    <p class="text-xs text-gray-500">
-                      Type : {{ requirement.typeComposant?.name || 'Non défini' }}
-                    </p>
-                  </div>
-                  <span class="badge badge-outline badge-sm">
-                    Min {{ toDisplayCount(requirement.minCount, requirement.required ? 1 : 0) }} •
-                    Max {{ toDisplayCount(requirement.maxCount, '∞') }}
-                  </span>
-                </div>
-                <p class="text-xs text-gray-500 mt-2">
-                  {{ requirement.allowNewModels ? 'Création de modèles autorisée' : 'Modèles existants uniquement' }}
-                </p>
-              </div>
-            </div>
-          </div>
-
-          <!-- Groupes de pièces -->
-          <div v-if="pieceRequirementCount > 0" class="mb-8 space-y-3">
-            <h3 class="text-lg font-semibold">
-              Groupes de pièces
-            </h3>
-            <div class="space-y-3">
-              <div
-                v-for="requirement in type.pieceRequirements"
-                :key="requirement.id"
-                class="border border-base-200 rounded-lg p-4 bg-base-100"
-              >
-                <div class="flex items-start justify-between gap-2">
-                  <div>
-                    <h4 class="text-sm font-semibold">
-                      {{ requirement.label || requirement.typePiece?.name || 'Groupe' }}
-                    </h4>
-                    <p class="text-xs text-gray-500">
-                      Type : {{ requirement.typePiece?.name || 'Non défini' }}
-                    </p>
-                  </div>
-                  <span class="badge badge-outline badge-sm">
-                    Min {{ toDisplayCount(requirement.minCount, requirement.required ? 1 : 0) }} •
-                    Max {{ toDisplayCount(requirement.maxCount, '∞') }}
-                  </span>
-                </div>
-                <p class="text-xs text-gray-500 mt-2">
-                  {{ requirement.allowNewModels ? 'Création de modèles autorisée' : 'Modèles existants uniquement' }}
-                </p>
-              </div>
-            </div>
-          </div>
-
-          <!-- Produits requis -->
-          <div v-if="productRequirementCount > 0" class="mb-8 space-y-3">
-            <h3 class="text-lg font-semibold">
-              Produits requis
-            </h3>
-            <div class="space-y-3">
-              <div
-                v-for="requirement in type.productRequirements"
-                :key="requirement.id || requirement.typeProductId"
-                class="border border-base-200 rounded-lg p-4 bg-base-100"
-              >
-                <div class="flex items-start justify-between gap-2">
-                  <div>
-                    <h4 class="text-sm font-semibold">
-                      {{ requirement.label || requirement.typeProduct?.name || 'Produit' }}
-                    </h4>
-                    <p class="text-xs text-gray-500">
-                      Type : {{ requirement.typeProduct?.name || 'Non défini' }}
-                    </p>
-                  </div>
-                  <span class="badge badge-outline badge-sm">
-                    Min {{ toDisplayCount(requirement.minCount, requirement.required ? 1 : 0) }} •
-                    Max {{ toDisplayCount(requirement.maxCount, '∞') }}
-                  </span>
-                </div>
-                <p class="text-xs text-gray-500 mt-2">
-                  {{ requirement.allowNewModels ? 'Création de produits autorisée' : 'Produits existants uniquement' }}
-                </p>
-              </div>
-            </div>
-          </div>
-        </div>
-      </div>
-
-      <!-- Commentaires -->
-      <CommentSection
-        entity-type="machine_skeleton"
-        :entity-id="type.id"
-        :entity-name="type.name"
-      />
-    </div>
-
-    <!-- Error State -->
-    <div v-else class="my-8 text-center">
-      <div class="alert alert-error">
-        <div>
-          <h3 class="font-bold">
-            Type non trouvé
-          </h3>
-          <p>Le type de machine demandé n'existe pas.</p>
-        </div>
-      </div>
-      <NuxtLink to="/machine-skeleton" class="btn btn-primary mt-4">
-        Retour aux types
-      </NuxtLink>
-    </div>
-  </main>
-</template>
-
-<script setup>
-import { ref, computed, onMounted } from 'vue'
-import { useRoute } from 'vue-router'
-import { useMachineTypesApi } from '~/composables/useMachineTypesApi'
-import { useToast } from '~/composables/useToast'
-import IconLucideSquarePen from '~icons/lucide/square-pen'
-
-const { canEdit } = usePermissions()
-const route = useRoute()
-const { getMachineTypeById } = useMachineTypesApi()
-const { showError } = useToast()
-
-const type = ref(null)
-const loading = ref(true)
-
-const isEditView = computed(() => {
-  const editQuery = Array.isArray(route.query.edit) ? route.query.edit[0] : route.query.edit
-  const modeQuery = Array.isArray(route.query.mode) ? route.query.mode[0] : route.query.mode
-  return editQuery === 'true' || editQuery === '1' || modeQuery === 'edit'
-})
-
-const typePageTitle = computed(() => {
-  const currentName = type.value?.name || 'Type de squelette'
-  return isEditView.value ? `Modification : ${currentName}` : currentName
-})
-
-const componentRequirementCount = computed(() => type.value?.componentRequirements?.length || 0)
-const pieceRequirementCount = computed(() => type.value?.pieceRequirements?.length || 0)
-const productRequirementCount = computed(() => type.value?.productRequirements?.length || 0)
-
-const toDisplayCount = (value, fallback) => {
-  if (value === null || value === undefined) {
-    return fallback
-  }
-  return value
-}
-
-onMounted(async () => {
-  try {
-    const typeId = route.params.id
-    if (!typeId) {
-      showError('Aucun identifiant de type fourni')
-      loading.value = false
-      return
-    }
-
-    const result = await getMachineTypeById(typeId)
-    if (result.success) {
-      type.value = result.data
-    } else {
-      showError('Type non trouvé')
-    }
-  } catch (error) {
-    console.error('Erreur lors du chargement:', error)
-    showError('Erreur lors du chargement')
-  } finally {
-    loading.value = false
-  }
-})
-</script>
diff --git a/app/pages/type/edit/[id].vue b/app/pages/type/edit/[id].vue
deleted file mode 100644
index 53e5b2f..0000000
--- a/app/pages/type/edit/[id].vue
+++ /dev/null
@@ -1,265 +0,0 @@
-<template>
-  <main class="container mx-auto px-6 py-8">
-    <!-- Loading State -->
-    <div v-if="loading" class="my-8 text-center">
-      <div class="loading loading-spinner loading-lg" />
-      <p class="mt-4 text-gray-600">
-        Chargement du type...
-      </p>
-    </div>
-
-    <!-- Locked: machines linked -->
-    <div v-else-if="type && hasMachines" class="my-8">
-      <div class="card bg-base-100 shadow-xl">
-        <div class="card-body">
-          <div class="flex items-center justify-between mb-6">
-            <h2 class="card-title text-2xl">
-              {{ type.name }}
-            </h2>
-            <NuxtLink to="/machine-skeleton" class="btn btn-outline">
-              Retour
-            </NuxtLink>
-          </div>
-          <div class="alert alert-warning">
-            <IconLucideTriangleAlert class="w-5 h-5" />
-            <span>Ce squelette ne peut pas être modifié car des machines y sont rattachées.</span>
-          </div>
-        </div>
-      </div>
-    </div>
-
-    <!-- Edit Form -->
-    <div v-else-if="type" class="my-8">
-      <div class="card bg-base-100 shadow-xl">
-        <div class="card-body">
-          <div class="flex items-center justify-between mb-6">
-            <h2 class="card-title text-2xl">
-              Modifier : {{ type.name }}
-            </h2>
-            <NuxtLink to="/machine-skeleton" class="btn btn-outline">
-              Retour
-            </NuxtLink>
-          </div>
-
-          <TypeEditForm
-            v-model="editedType"
-            :saving="saving"
-            @submit="saveChanges"
-          />
-        </div>
-      </div>
-    </div>
-
-    <!-- Error State -->
-    <div v-else class="my-8 text-center">
-      <div class="alert alert-error">
-        <div>
-          <h3 class="font-bold">
-            Type non trouvé
-          </h3>
-          <p>Le type de machine demandé n'existe pas.</p>
-        </div>
-      </div>
-      <NuxtLink to="/machine-skeleton" class="btn btn-primary mt-4">
-        Retour aux types
-      </NuxtLink>
-    </div>
-  </main>
-</template>
-
-<script setup>
-import { ref, computed, onMounted } from 'vue'
-import { useRoute, useRouter } from 'vue-router'
-import { useMachineTypesApi } from '~/composables/useMachineTypesApi'
-import { useToast } from '~/composables/useToast'
-import { extractRelationId } from '~/shared/apiRelations'
-import IconLucideTriangleAlert from '~icons/lucide/triangle-alert'
-
-const { canEdit } = usePermissions()
-const route = useRoute()
-const router = useRouter()
-const { getMachineTypeById, updateMachineType } = useMachineTypesApi()
-const { showSuccess, showError } = useToast()
-
-const type = ref(null)
-const loading = ref(true)
-const saving = ref(false)
-const hasMachines = computed(() => {
-  const machines = type.value?.machines
-  return Array.isArray(machines) && machines.length > 0
-})
-
-// Données éditées du type
-const editedType = ref({
-  name: '',
-  description: '',
-  category: '',
-  maintenanceFrequency: '',
-  customFields: [],
-  componentRequirements: [],
-  pieceRequirements: [],
-  productRequirements: []
-})
-
-const parseOptions = (field = {}) => {
-  if (field.type !== 'select') { return [] }
-  if (field.optionsText && typeof field.optionsText === 'string') {
-    return field.optionsText
-      .split('\n')
-      .map(option => option.trim())
-      .filter(Boolean)
-  }
-  if (Array.isArray(field.options)) {
-    return field.options
-      .map(option => String(option).trim())
-      .filter(Boolean)
-  }
-  return []
-}
-
-const toModelTypeIri = (value) => {
-  if (!value) {
-    return undefined
-  }
-  if (typeof value === 'string' && value.startsWith('/api/model_types/')) {
-    return value
-  }
-  const relationId = extractRelationId(value)
-  if (relationId) {
-    return `/api/model_types/${relationId}`
-  }
-  return typeof value === 'string' ? `/api/model_types/${value}` : undefined
-}
-
-const normalizeCustomFields = (fields = []) =>
-  fields
-    .filter(field => field?.name && field.name.trim() !== '')
-    .map((field, index) => ({
-      name: field.name,
-      type: field.type || '',
-      required: !!field.required,
-      options: parseOptions(field),
-      orderIndex: typeof field.orderIndex === 'number' ? field.orderIndex : index
-    }))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((field, index) => ({ ...field, orderIndex: index }))
-
-const toIntegerOrNull = (value, fallback = null) => {
-  if (value === '' || value === undefined || value === null) {
-    return fallback
-  }
-  const parsed = Number(value)
-  return Number.isFinite(parsed) ? parsed : fallback
-}
-
-const normalizeComponentRequirements = (requirements = []) =>
-  requirements
-    .filter(req => req?.typeComposantId || req?.typeComposant)
-    .map((req, index) => ({
-      typeComposant: toModelTypeIri(req.typeComposantId || req.typeComposant),
-      label: req.label?.trim() ? req.label.trim() : undefined,
-      minCount: toIntegerOrNull(req.minCount, 1),
-      maxCount: toIntegerOrNull(req.maxCount, null),
-      required: req.required ?? true,
-      allowNewModels: req.allowNewModels ?? true,
-      orderIndex: typeof req.orderIndex === 'number' ? req.orderIndex : index
-    }))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((req, index) => ({ ...req, orderIndex: index }))
-
-const normalizePieceRequirements = (requirements = []) =>
-  requirements
-    .filter(req => req?.typePieceId || req?.typePiece)
-    .map((req, index) => ({
-      typePiece: toModelTypeIri(req.typePieceId || req.typePiece),
-      label: req.label?.trim() ? req.label.trim() : undefined,
-      minCount: toIntegerOrNull(req.minCount, 0),
-      maxCount: toIntegerOrNull(req.maxCount, null),
-      required: req.required ?? false,
-      allowNewModels: req.allowNewModels ?? true,
-      orderIndex: typeof req.orderIndex === 'number' ? req.orderIndex : index
-    }))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((req, index) => ({ ...req, orderIndex: index }))
-
-const normalizeProductRequirements = (requirements = []) =>
-  requirements
-    .filter(req => req?.typeProductId || req?.typeProduct)
-    .map((req, index) => ({
-      typeProduct: toModelTypeIri(req.typeProductId || req.typeProduct),
-      label: req.label?.trim() ? req.label.trim() : undefined,
-      minCount: toIntegerOrNull(req.minCount, 0),
-      maxCount: toIntegerOrNull(req.maxCount, null),
-      required: req.required ?? false,
-      allowNewModels: req.allowNewModels ?? true,
-      orderIndex: typeof req.orderIndex === 'number' ? req.orderIndex : index
-    }))
-    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
-    .map((req, index) => ({ ...req, orderIndex: index }))
-
-const saveChanges = async () => {
-  try {
-    saving.value = true
-
-    const currentEditedType = editedType.value
-
-    // Préparer les données pour l'API
-    const updatedType = {
-      ...currentEditedType,
-      customFields: normalizeCustomFields(currentEditedType.customFields),
-      componentRequirements: normalizeComponentRequirements(currentEditedType.componentRequirements),
-      pieceRequirements: normalizePieceRequirements(currentEditedType.pieceRequirements),
-      productRequirements: normalizeProductRequirements(currentEditedType.productRequirements)
-    }
-
-    const result = await updateMachineType(type.value.id, updatedType)
-
-    if (result.success) {
-      showSuccess('Type mis à jour avec succès !')
-      router.push('/machine-skeleton')
-    } else {
-      showError('Erreur lors de la mise à jour du type')
-    }
-  } catch (error) {
-    console.error('Erreur lors de la sauvegarde:', error)
-    showError('Erreur lors de la sauvegarde')
-  } finally {
-    saving.value = false
-  }
-}
-
-// Charger le type au montage
-onMounted(async () => {
-  if (!canEdit.value) {
-    router.replace(`/type/${route.params.id}`)
-    return
-  }
-  try {
-    const typeId = route.params.id
-    const result = await getMachineTypeById(typeId, true)
-    if (result.success) {
-      type.value = result.data
-
-      // Initialiser les données éditées
-      editedType.value = {
-        name: type.value.name || '',
-        description: type.value.description || '',
-        category: type.value.category || '',
-        maintenanceFrequency: type.value.maintenanceFrequency || '',
-        customFields: type.value.customFields || [],
-        componentRequirements: type.value.componentRequirements || [],
-        pieceRequirements: type.value.pieceRequirements || [],
-        productRequirements: type.value.productRequirements || [],
-      }
-    } else {
-      console.error('Failed to load type:', result.error)
-      showError('Type non trouvé')
-    }
-  } catch (error) {
-    console.error('Erreur lors du chargement:', error)
-    showError('Erreur lors du chargement')
-  } finally {
-    loading.value = false
-  }
-})
-</script>
diff --git a/app/shared/apiRelations.ts b/app/shared/apiRelations.ts
index bd5d291..0e3da7d 100644
--- a/app/shared/apiRelations.ts
+++ b/app/shared/apiRelations.ts
@@ -4,7 +4,6 @@ export const RELATION_ID_MAP: Record<string, { key: string; path: string }> = {
   composantId: { key: 'composant', path: 'composants' },
   pieceId: { key: 'piece', path: 'pieces' },
   productId: { key: 'product', path: 'products' },
-  typeMachineId: { key: 'typeMachine', path: 'type_machines' },
   typeComposantId: { key: 'typeComposant', path: 'model_types' },
   typePieceId: { key: 'typePiece', path: 'model_types' },
   typeProductId: { key: 'typeProduct', path: 'model_types' },
diff --git a/app/shared/constructeurUtils.ts b/app/shared/constructeurUtils.ts
index c25cbad..b041cc7 100644
--- a/app/shared/constructeurUtils.ts
+++ b/app/shared/constructeurUtils.ts
@@ -60,9 +60,8 @@ export const uniqueConstructeurIds = (...sources: unknown[]): string[] => {
       if (value.constructeur) {
         explore(value.constructeur);
       }
-      // Only extract ID if this looks like a constructeur object (has @type or recognizable fields)
-      // Don't extract ID from component/piece/product objects that happen to be passed in
-      if (typeof value.id === 'string' && !value.name && !value.typeComposant && !value.typePiece && !value.typeProduct) {
+      // Extract ID from constructeur-like objects, but skip component/piece/product entities
+      if (typeof value.id === 'string' && !value.typeComposant && !value.typePiece && !value.typeProduct) {
         pushId(value.id);
       }
       return;
diff --git a/app/shared/utils/entityCustomFieldLogic.ts b/app/shared/utils/entityCustomFieldLogic.ts
index 32951f1..b7e5d3f 100644
--- a/app/shared/utils/entityCustomFieldLogic.ts
+++ b/app/shared/utils/entityCustomFieldLogic.ts
@@ -123,7 +123,8 @@ export function extractStructureCustomFields(structure: any): any[] {
 
 export function deduplicateFieldDefinitions(definitions: any[]): any[] {
   const result: any[] = []
-  const seen = new Set<string>()
+  const seenIds = new Set<string>()
+  const seenNames = new Set<string>()
 
   const orderedDefinitions = (Array.isArray(definitions) ? definitions.slice() : [])
     .sort((a, b) => resolveOrderIndex(a) - resolveOrderIndex(b))
@@ -132,9 +133,12 @@ export function deduplicateFieldDefinitions(definitions: any[]): any[] {
     if (!field || typeof field !== 'object') return
     const id = field.id ?? field.customFieldId ?? field.customField?.id ?? null
     const nameKey = fieldKeyFromNameAndType(field.name, field.type)
-    const key = id || nameKey
-    if (key && seen.has(key)) return
-    if (key) seen.add(key)
+    // Deduplicate by name+type (primary) AND by id — a field with the same
+    // name+type is the same field even when stored with different IDs.
+    if (nameKey && seenNames.has(nameKey)) return
+    if (id && seenIds.has(id)) return
+    if (id) seenIds.add(id)
+    if (nameKey) seenNames.add(nameKey)
     field.orderIndex = resolveOrderIndex(field)
     result.push(field)
   })
@@ -219,7 +223,8 @@ export function dedupeMergedFields(fields: any[]): any[] {
       : []
   }
 
-  const seen = new Map<string, any>()
+  const seenById = new Map<string, any>()
+  const seenByName = new Map<string, any>()
   const result: any[] = []
 
   const orderedFields = fields.slice().sort((a, b) => resolveOrderIndex(a) - resolveOrderIndex(b))
@@ -236,18 +241,14 @@ export function dedupeMergedFields(fields: any[]): any[] {
 
     const fieldId = resolveCustomFieldId(field)
     const nameKey = fieldKeyFromNameAndType(normalizedName, field.type)
-    const key = fieldId || nameKey
 
-    if (!key) {
-      field.orderIndex = resolveOrderIndex(field)
-      result.push(field)
-      return
-    }
+    // Check duplicates by name+type first (same field can have different IDs)
+    const existing = (nameKey ? seenByName.get(nameKey) : undefined) ?? (fieldId ? seenById.get(fieldId) : undefined)
 
-    const existing = seen.get(key)
     if (!existing) {
       field.orderIndex = resolveOrderIndex(field)
-      seen.set(key, field)
+      if (fieldId) seenById.set(fieldId, field)
+      if (nameKey) seenByName.set(nameKey, field)
       result.push(field)
       return
     }
@@ -258,7 +259,8 @@ export function dedupeMergedFields(fields: any[]): any[] {
     if (!existingHasValue && incomingHasValue) {
       Object.assign(existing, field)
       existing.orderIndex = Math.min(resolveOrderIndex(existing), resolveOrderIndex(field))
-      seen.set(key, existing)
+      if (fieldId) seenById.set(fieldId, existing)
+      if (nameKey) seenByName.set(nameKey, existing)
     }
   })
 
@@ -276,45 +278,29 @@ export function buildDefinitionSources(entity: any, entityType: 'composant' | 'p
   }
 
   if (entityType === 'composant') {
-    const requirement = entity.typeMachineComponentRequirement || {}
-    const type = requirement.typeComposant || entity.typeComposant || {}
+    const type = entity.typeComposant || {}
 
     pushFields(entity.customFields)
     pushFields(entity.definition?.customFields)
     pushFields(type.customFields)
-    pushFields(requirement.customFields)
-    pushFields(requirement.definition?.customFields)
 
     ;[
       entity.definition?.structure,
       type.structure,
-      type.componentSkeleton,
-      requirement.structure,
-      requirement.componentSkeleton,
     ].forEach((structure) => {
       const fields = extractStructureCustomFields(structure)
       if (fields.length) definitions.push(...fields)
     })
   } else {
-    const requirement = entity.typeMachinePieceRequirement || {}
-    const type = requirement.typePiece || entity.typePiece || {}
+    const type = entity.typePiece || {}
 
     pushFields(entity.customFields)
     pushFields(entity.definition?.customFields)
-    pushFields(entity.typePiece?.customFields)
     pushFields(type.customFields)
-    pushFields(requirement.typePiece?.customFields)
-    pushFields(requirement.customFields)
-    pushFields(requirement.definition?.customFields)
 
     ;[
       entity.definition?.structure,
-      entity.typePiece?.structure,
       type.structure,
-      type.pieceSkeleton,
-      entity.typePiece?.pieceSkeleton,
-      requirement.structure,
-      requirement.pieceSkeleton,
     ].forEach((structure) => {
       const fields = extractStructureCustomFields(structure)
       if (fields.length) definitions.push(...fields)
diff --git a/app/shared/utils/productDisplayUtils.ts b/app/shared/utils/productDisplayUtils.ts
index 433e61e..a2b7aef 100644
--- a/app/shared/utils/productDisplayUtils.ts
+++ b/app/shared/utils/productDisplayUtils.ts
@@ -208,11 +208,6 @@ export const getProductDisplay = (
     ((source.requirement as AnyRecord)?.structure as AnyRecord)?.products,
     ((source.requirement as AnyRecord)?.structure as AnyRecord)?.productSkeleton,
     ((source.requirement as AnyRecord)?.componentSkeleton as AnyRecord)?.products,
-    (source.typeMachineComponentRequirement as AnyRecord)?.products,
-    (source.typeMachineComponentRequirement as AnyRecord)?.productSkeleton,
-    ((source.typeMachineComponentRequirement as AnyRecord)?.structure as AnyRecord)?.products,
-    ((source.typeMachineComponentRequirement as AnyRecord)?.structure as AnyRecord)?.productSkeleton,
-    ((source.typeMachineComponentRequirement as AnyRecord)?.componentSkeleton as AnyRecord)?.products,
     (source.typeComposant as AnyRecord)?.products,
     (source.typeComposant as AnyRecord)?.productSkeleton,
     ((source.typeComposant as AnyRecord)?.structure as AnyRecord)?.products,
diff --git a/app/utils/printTemplates/machineReport.js b/app/utils/printTemplates/machineReport.js
index a2273bf..be769fc 100644
--- a/app/utils/printTemplates/machineReport.js
+++ b/app/utils/printTemplates/machineReport.js
@@ -412,9 +412,6 @@ export const buildMachinePrintContext = ({
   }
 
   const machineBadges = []
-  if (machine?.typeMachine?.category) {
-    machineBadges.push(machine.typeMachine.category)
-  }
   if (machine?.site?.name) {
     machineBadges.push(`Site: ${machine.site.name}`)
   }
@@ -480,10 +477,8 @@ export const buildMachinePrintContext = ({
       id: machine?.id || null,
       name: machineName,
       description: machine?.description || '',
-      typeDescription: machine?.typeMachine?.description || '',
       reference: machineReference,
       site: machine?.site?.name || '',
-      category: machine?.typeMachine?.category || '',
       badges: machineBadges,
       constructeurs: machineConstructeurs,
       constructeur: machineConstructeurs[0] || null,