feat: add product catalogue and product-aware UI

- introduce product catalogue pages, management view entries and shared product composables\n- wire product selection into component/piece flows and machine skeleton requirements\n- display linked product metadata and documents across machine, component and piece views\n- generalize model type tooling to handle PRODUCT category

app/pages/product/[id]/edit.vue

@@ -0,0 +1,747 @@
+<template>
+  <DocumentPreviewModal
+    :document="previewDocument"
+    :visible="previewVisible"
+    @close="closePreview"
+  />
+  <main class="container mx-auto px-6 py-10">
+    <div v-if="loading" class="flex flex-col items-center gap-4 py-16 text-center">
+      <span class="loading loading-spinner loading-lg" aria-hidden="true" />
+      <p class="text-sm text-base-content/70">Chargement du produit…</p>
+    </div>
+
+    <div v-else-if="!product" class="max-w-xl mx-auto">
+      <div class="alert alert-error shadow-lg">
+        <div>
+          <h2 class="font-semibold text-lg">Produit introuvable</h2>
+          <p class="text-sm text-base-content/80">
+            Nous n'avons pas pu trouver le produit demandé. Il a peut-être été supprimé.
+          </p>
+        </div>
+      </div>
+      <NuxtLink to="/product-catalog" class="btn btn-primary mt-6">
+        Retour au catalogue
+      </NuxtLink>
+    </div>
+
+    <section v-else class="card border border-base-200 bg-base-100 shadow-sm max-w-4xl mx-auto">
+      <div class="card-body space-y-6">
+        <header class="flex flex-col gap-2 md:flex-row md:items-center md:justify-between">
+          <div>
+            <h1 class="text-3xl font-semibold text-base-content">Modifier le produit</h1>
+            <p class="text-sm text-base-content/70">
+              Mettez à jour les informations du produit et ses champs personnalisés.
+            </p>
+          </div>
+          <NuxtLink to="/product-catalog" class="btn btn-ghost btn-sm md:btn-md self-start">
+            Retour au catalogue
+          </NuxtLink>
+        </header>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Catégorie de produit</span>
+            </label>
+            <input
+              :value="product?.typeProduct?.name || 'Catégorie inconnue'"
+              type="text"
+              class="input input-bordered input-sm md:input-md bg-base-200"
+              disabled
+            >
+            <p class="text-xs text-base-content/60 mt-1">
+              La catégorie d'origine ne peut pas être modifiée depuis cette page.
+            </p>
+          </div>
+        </div>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Nom du produit</span>
+            </label>
+            <input
+              v-model="editionForm.name"
+              type="text"
+              class="input input-bordered input-sm md:input-md"
+              :disabled="saving"
+              required
+            >
+          </div>
+        </div>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Référence</span>
+            </label>
+            <input
+              v-model="editionForm.reference"
+              type="text"
+              class="input input-bordered input-sm md:input-md"
+              :disabled="saving"
+            >
+          </div>
+
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Fournisseurs</span>
+            </label>
+            <ConstructeurSelect
+              v-model="editionForm.constructeurIds"
+              class="w-full"
+              :disabled="saving"
+              placeholder="Rechercher un ou plusieurs fournisseurs..."
+            />
+          </div>
+        </div>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Prix fournisseur indicatif (€)</span>
+            </label>
+            <input
+              v-model="editionForm.supplierPrice"
+              type="number"
+              step="0.01"
+              min="0"
+              class="input input-bordered input-sm md:input-md"
+              :disabled="saving"
+            >
+          </div>
+        </div>
+
+        <div v-if="structurePreview" class="space-y-3 rounded-lg border border-base-200 bg-base-200/40 p-4">
+          <div class="flex items-center justify-between gap-4">
+            <div>
+              <h2 class="font-semibold text-base-content">Champs définis par la catégorie</h2>
+              <p class="text-xs text-base-content/70">
+                {{ productType?.description || 'Le squelette de catégorie contrôle les champs personnalisés disponibles.' }}
+              </p>
+            </div>
+            <span class="badge badge-outline">{{ structurePreview }}</span>
+          </div>
+        </div>
+
+        <div v-if="customFieldInputs.length" class="space-y-4 rounded-lg border border-base-200 bg-base-200/40 p-4">
+          <header class="space-y-1">
+            <h2 class="font-semibold text-base-content">Champs personnalisés</h2>
+            <p class="text-xs text-base-content/70">
+              Mettez à jour les valeurs propres à ce produit.
+            </p>
+          </header>
+          <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <div
+              v-for="(field, index) in customFieldInputs"
+              :key="fieldKey(field, index)"
+              class="form-control"
+            >
+              <label class="label">
+                <span class="label-text">{{ field.name }}</span>
+                <span v-if="field.required" class="label-text-alt text-error">*</span>
+              </label>
+              <input
+                v-if="field.type === 'text'"
+                v-model="field.value"
+                type="text"
+                class="input input-bordered input-sm md:input-md"
+                :required="field.required"
+                :disabled="saving"
+              >
+              <input
+                v-else-if="field.type === 'number'"
+                v-model="field.value"
+                type="number"
+                step="0.01"
+                class="input input-bordered input-sm md:input-md"
+                :required="field.required"
+                :disabled="saving"
+              >
+              <select
+                v-else-if="field.type === 'select'"
+                v-model="field.value"
+                class="select select-bordered select-sm md:select-md"
+                :required="field.required"
+                :disabled="saving"
+              >
+                <option value="">Sélectionner...</option>
+                <option
+                  v-for="option in field.options"
+                  :key="option"
+                  :value="option"
+                >
+                  {{ option }}
+                </option>
+              </select>
+              <div v-else-if="field.type === 'boolean'" class="flex items-center gap-2">
+                <input
+                  v-model="field.value"
+                  type="checkbox"
+                  class="checkbox checkbox-sm"
+                  true-value="true"
+                  false-value="false"
+                  :disabled="saving"
+                >
+                <span class="text-sm">{{ field.value === 'true' ? 'Oui' : 'Non' }}</span>
+              </div>
+              <input
+                v-else-if="field.type === 'date'"
+                v-model="field.value"
+                type="date"
+                class="input input-bordered input-sm md:input-md"
+                :required="field.required"
+                :disabled="saving"
+              >
+              <input
+                v-else
+                v-model="field.value"
+                type="text"
+                class="input input-bordered input-sm md:input-md"
+                :required="field.required"
+                :disabled="saving"
+              >
+            </div>
+          </div>
+        </div>
+
+        <div class="space-y-4 rounded-lg border border-base-200 bg-base-200/40 p-4">
+          <header class="flex flex-col gap-1 md:flex-row md:items-center md:justify-between">
+            <div>
+              <h2 class="font-semibold text-base-content">Documents</h2>
+              <p class="text-xs text-base-content/70">
+                Gérez les documents associés à ce produit.
+              </p>
+            </div>
+            <span v-if="selectedFiles.length" class="badge badge-outline">
+              {{ selectedFiles.length }} document{{ selectedFiles.length > 1 ? 's' : '' }} sélectionné{{ selectedFiles.length > 1 ? 's' : '' }}
+            </span>
+          </header>
+          <div :class="{ 'pointer-events-none opacity-60': saving || uploadingDocuments }">
+            <DocumentUpload
+              v-model="selectedFiles"
+              title="Déposer vos fichiers"
+              subtitle="Formats acceptés : PDF, images, documents…"
+              @files-added="handleFilesAdded"
+            />
+          </div>
+          <p v-if="uploadingDocuments" class="text-xs text-base-content/70">
+            Téléversement des documents en cours…
+          </p>
+          <p v-else-if="loadingDocuments" class="text-xs text-base-content/70">
+            Chargement des documents…
+          </p>
+          <div v-else-if="productDocuments.length" class="space-y-2">
+            <div
+              v-for="document in productDocuments"
+              :key="document.id || document.path || document.name"
+              class="flex items-center justify-between rounded border border-base-200 bg-base-100 px-3 py-2"
+            >
+              <div class="flex items-center gap-3 text-sm">
+                <div
+                  class="flex-shrink-0 overflow-hidden rounded-md border border-base-200 bg-base-200/70 flex items-center justify-center"
+                  :class="documentThumbnailClass(document)"
+                >
+                  <img
+                    v-if="isImageDocument(document) && document.path"
+                    :src="document.path"
+                    class="h-full w-full object-cover"
+                    :alt="`Aperçu de ${document.name}`"
+                  >
+                  <iframe
+                    v-else-if="shouldInlinePdf(document)"
+                    :src="documentPreviewSrc(document)"
+                    class="h-full w-full border-0 bg-white"
+                    title="Aperçu PDF"
+                  />
+                  <component
+                    v-else
+                    :is="documentIcon(document).component"
+                    class="h-6 w-6"
+                    :class="documentIcon(document).colorClass"
+                    aria-hidden="true"
+                  />
+                </div>
+                <div>
+                  <div class="font-medium">
+                    {{ document.name }}
+                  </div>
+                  <div class="text-xs text-base-content/70">
+                    {{ document.mimeType || 'Inconnu' }} • {{ formatSize(document.size) }}
+                  </div>
+                </div>
+              </div>
+              <div class="flex items-center gap-2">
+                <button
+                  type="button"
+                  class="btn btn-ghost btn-xs"
+                  :disabled="!canPreviewDocument(document)"
+                  :title="canPreviewDocument(document) ? 'Consulter le document' : 'Aucun aperçu disponible pour ce type'"
+                  @click="openPreview(document)"
+                >
+                  Consulter
+                </button>
+                <button type="button" class="btn btn-ghost btn-xs" @click="downloadDocument(document)">
+                  Télécharger
+                </button>
+                <button
+                  type="button"
+                  class="btn btn-error btn-xs"
+                  :disabled="uploadingDocuments || saving"
+                  @click="removeDocument(document.id)"
+                >
+                  Supprimer
+                </button>
+              </div>
+            </div>
+          </div>
+          <p v-else class="text-xs text-base-content/70">
+            Aucun document n'est associé à ce produit pour le moment.
+          </p>
+        </div>
+
+        <div class="flex flex-col gap-3 md:flex-row md:justify-end">
+          <NuxtLink to="/product-catalog" class="btn btn-ghost" :class="{ 'btn-disabled': saving }">
+            Annuler
+          </NuxtLink>
+          <button type="button" class="btn btn-primary" :disabled="!canSubmit" @click="submitEdition">
+            <span v-if="saving" class="loading loading-spinner loading-sm mr-2" />
+            Enregistrer les modifications
+          </button>
+        </div>
+        <p v-if="product && !requiredCustomFieldsFilled" class="text-xs text-error text-right">
+          Merci de renseigner tous les champs personnalisés obligatoires.
+        </p>
+      </div>
+    </section>
+  </main>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, reactive, ref, watch } from 'vue'
+import { useRoute, useRouter } from '#imports'
+import ConstructeurSelect from '~/components/ConstructeurSelect.vue'
+import DocumentUpload from '~/components/DocumentUpload.vue'
+import DocumentPreviewModal from '~/components/DocumentPreviewModal.vue'
+import { useProducts } from '~/composables/useProducts'
+import { useCustomFields } from '~/composables/useCustomFields'
+import { useToast } from '~/composables/useToast'
+import { useDocuments } from '~/composables/useDocuments'
+import { formatProductStructurePreview, normalizeProductStructureForSave } from '~/shared/modelUtils'
+import { uniqueConstructeurIds } from '~/shared/constructeurUtils'
+import { getModelType } from '~/services/modelTypes'
+import type { ProductModelStructure } from '~/shared/types/inventory'
+import { getFileIcon } from '~/utils/fileIcons'
+import { canPreviewDocument, isImageDocument, isPdfDocument } from '~/utils/documentPreview'
+
+interface CustomFieldInput {
+  id: string | null
+  name: string
+  type: string
+  required: boolean
+  options: string[]
+  value: string
+  customFieldId: string | null
+  customFieldValueId: string | null
+  orderIndex: number
+}
+
+const route = useRoute()
+const router = useRouter()
+const toast = useToast()
+const { getProduct, updateProduct } = useProducts()
+const { upsertCustomFieldValue, updateCustomFieldValue } = useCustomFields()
+const {
+  loadDocumentsByProduct,
+  uploadDocuments: uploadProductDocuments,
+  deleteDocument: deleteProductDocument,
+} = useDocuments()
+
+const product = ref<any | null>(null)
+const productType = ref<any | null>(null)
+const structure = ref<ProductModelStructure | null>(null)
+const customFieldInputs = ref<CustomFieldInput[]>([])
+const loading = ref(true)
+const saving = ref(false)
+const selectedFiles = ref<File[]>([])
+const uploadingDocuments = ref(false)
+const loadingDocuments = ref(false)
+const productDocuments = ref<any[]>([])
+const previewDocument = ref<any | null>(null)
+const previewVisible = ref(false)
+
+const editionForm = reactive({
+  name: '' as string,
+  reference: '' as string,
+  constructeurIds: [] as string[],
+  supplierPrice: '' as string,
+})
+
+const requiredCustomFieldsFilled = computed(() =>
+  customFieldInputs.value.every((field) => {
+    if (!field.required) {
+      return true
+    }
+    if (field.type === 'boolean') {
+      return field.value === 'true' || field.value === 'false'
+    }
+    return field.value.trim().length > 0
+  }),
+)
+
+const canSubmit = computed(() =>
+  Boolean(product.value && editionForm.name.trim().length >= 2 && requiredCustomFieldsFilled.value && !saving.value),
+)
+
+const structurePreview = computed(() => formatProductStructurePreview(structure.value))
+
+const documentIcon = (doc: any) =>
+  getFileIcon({ name: doc?.filename || doc?.name, mime: doc?.mimeType })
+
+const formatSize = (size: number | null | undefined) => {
+  if (size === null || size === undefined) {
+    return '—'
+  }
+  if (size === 0) {
+    return '0 B'
+  }
+  const units = ['B', 'KB', 'MB', 'GB']
+  const index = Math.min(units.length - 1, Math.floor(Math.log(size) / Math.log(1024)))
+  const formatted = size / Math.pow(1024, index)
+  return `${formatted.toFixed(1)} ${units[index]}`
+}
+
+const PDF_PREVIEW_MAX_BYTES = 5 * 1024 * 1024
+
+const shouldInlinePdf = (document: any) => {
+  if (!document || !isPdfDocument(document) || !document.path) {
+    return false
+  }
+  if (typeof document.size === 'number' && document.size > PDF_PREVIEW_MAX_BYTES) {
+    return false
+  }
+  return true
+}
+
+const appendPdfViewerParams = (src: string) => {
+  if (!src || src.startsWith('data:')) {
+    return src || ''
+  }
+  if (src.includes('#')) {
+    return `${src}&toolbar=0&navpanes=0`
+  }
+  return `${src}#toolbar=0&navpanes=0`
+}
+
+const documentPreviewSrc = (document: any) => {
+  if (!document?.path) {
+    return ''
+  }
+  if (isPdfDocument(document)) {
+    return appendPdfViewerParams(document.path)
+  }
+  return document.path
+}
+
+const documentThumbnailClass = (document: any) => {
+  if (shouldInlinePdf(document) || (isImageDocument(document) && document?.path)) {
+    return 'h-24 w-20'
+  }
+  return 'h-16 w-16'
+}
+
+const openPreview = (doc: any) => {
+  if (!doc || !canPreviewDocument(doc)) {
+    return
+  }
+  previewDocument.value = doc
+  previewVisible.value = true
+}
+
+const closePreview = () => {
+  previewVisible.value = false
+  previewDocument.value = null
+}
+
+const downloadDocument = (doc: any) => {
+  if (!doc?.path) {
+    return
+  }
+  const target = String(doc.path)
+  if (target.startsWith('data:')) {
+    const link = document.createElement('a')
+    link.href = target
+    link.download = doc.filename || doc.name || 'document'
+    link.click()
+    return
+  }
+  window.open(target, '_blank')
+}
+
+const loadProduct = async () => {
+  const id = route.params.id
+  if (!id || typeof id !== 'string') {
+    product.value = null
+    loading.value = false
+    return
+  }
+  const result = await getProduct(id)
+  if (result.success) {
+    product.value = result.data
+    productDocuments.value = Array.isArray(result.data?.documents) ? result.data.documents : []
+    await loadProductType()
+    hydrateForm()
+    await refreshDocuments()
+  } else {
+    product.value = null
+  }
+  loading.value = false
+}
+
+const refreshDocuments = async () => {
+  if (!product.value?.id) {
+    return
+  }
+  loadingDocuments.value = true
+  try {
+    const result = await loadDocumentsByProduct(product.value.id, { updateStore: false })
+    if (result.success) {
+      productDocuments.value = Array.isArray(result.data) ? result.data : []
+    }
+  } finally {
+    loadingDocuments.value = false
+  }
+}
+
+const removeDocument = async (documentId: string | number | null | undefined) => {
+  if (!documentId) {
+    return
+  }
+  const result = await deleteProductDocument(documentId, { updateStore: false })
+  if (result.success) {
+    productDocuments.value = productDocuments.value.filter((doc) => doc.id !== documentId)
+    toast.showSuccess('Document supprimé')
+  }
+}
+
+const handleFilesAdded = async (files: File[]) => {
+  if (!files?.length || !product.value?.id) {
+    return
+  }
+  uploadingDocuments.value = true
+  try {
+    const result = await uploadProductDocuments(
+      {
+        files,
+        context: { productId: product.value.id },
+      },
+      { updateStore: false },
+    )
+    if (result.success) {
+      selectedFiles.value = []
+      await refreshDocuments()
+      toast.showSuccess('Document(s) ajouté(s)')
+    } else if (result.error) {
+      toast.showError(result.error)
+    }
+  } finally {
+    uploadingDocuments.value = false
+  }
+}
+
+const loadProductType = async () => {
+  if (!product.value?.typeProductId) {
+    productType.value = product.value?.typeProduct ?? null
+    structure.value = normalizeProductStructureForSave(productType.value?.structure ?? null)
+    return
+  }
+  try {
+    const type = await getModelType(product.value.typeProductId)
+    productType.value = type
+    structure.value = normalizeProductStructureForSave(type?.structure ?? type?.productSkeleton ?? null)
+  } catch (error) {
+    console.error('Erreur lors du chargement du type de produit:', error)
+    productType.value = product.value?.typeProduct ?? null
+    structure.value = normalizeProductStructureForSave(productType.value?.structure ?? null)
+  }
+}
+
+const hydrateForm = () => {
+  if (!product.value) {
+    return
+  }
+  editionForm.name = product.value.name || ''
+  editionForm.reference = product.value.reference || ''
+  editionForm.constructeurIds = uniqueConstructeurIds(
+    product.value,
+    Array.isArray(product.value.constructeurs) ? product.value.constructeurs : [],
+  )
+  editionForm.supplierPrice = product.value.supplierPrice !== null && product.value.supplierPrice !== undefined
+    ? String(product.value.supplierPrice)
+    : ''
+  customFieldInputs.value = buildCustomFieldInputs(structure.value, product.value.customFieldValues)
+}
+
+watch(
+  () => product.value?.documents,
+  (docs) => {
+    if (Array.isArray(docs)) {
+      productDocuments.value = docs
+    }
+  },
+  { immediate: true },
+)
+
+const fieldKey = (field: CustomFieldInput, index: number) =>
+  field.customFieldValueId || field.customFieldId || `${field.name}-${index}`
+
+const buildCustomFieldInputs = (
+  productStructure: ProductModelStructure | null,
+  values: any[] | null | undefined,
+): CustomFieldInput[] => {
+  if (!productStructure || typeof productStructure !== 'object') {
+    return []
+  }
+  const definitions = Array.isArray(productStructure.customFields) ? productStructure.customFields : []
+  const valueList = Array.isArray(values) ? values : []
+
+  const byId = new Map<string, any>()
+  const byName = new Map<string, any>()
+
+  valueList.forEach((entry) => {
+    if (!entry || typeof entry !== 'object') {
+      return
+    }
+    const fieldId = entry.customField?.id || entry.customFieldId || null
+    if (fieldId) {
+      byId.set(fieldId, entry)
+    }
+    const fieldName = entry.customField?.name || entry.name || entry.key || null
+    if (fieldName) {
+      byName.set(fieldName, entry)
+    }
+  })
+
+  return definitions
+    .map((definition, index) => {
+      const definitionId = definition.customFieldId || definition.id || null
+      const matched = (definitionId ? byId.get(definitionId) : null) || byName.get(definition.name)
+      const type = typeof definition.type === 'string' ? definition.type : 'text'
+      const options = Array.isArray(definition.options) ? definition.options : []
+      const required = !!definition.required
+      const orderIndex = typeof definition.orderIndex === 'number' ? definition.orderIndex : index
+
+      if (!matched) {
+        return {
+          id: definition.id ?? null,
+          name: definition.name,
+          type,
+          required,
+          options,
+          value: '',
+          customFieldId: definition.customFieldId || definition.id || null,
+          customFieldValueId: null,
+          orderIndex,
+        }
+      }
+
+      const resolvedValue = matched.value ?? ''
+      return {
+        id: definition.id ?? null,
+        name: definition.name,
+        type,
+        required,
+        options,
+        value: formatDefaultValue(type, resolvedValue),
+        customFieldId: matched.customField?.id || definition.customFieldId || definition.id || null,
+        customFieldValueId: matched.id ?? null,
+        orderIndex,
+      }
+    })
+    .filter((field): field is CustomFieldInput => !!field?.name)
+    .sort((a, b) => a.orderIndex - b.orderIndex)
+}
+
+const formatDefaultValue = (type: string, value: any): string => {
+  if (value === null || value === undefined) {
+    return ''
+  }
+  if (type === 'boolean') {
+    return String(value === true || String(value).toLowerCase() === 'true')
+  }
+  return String(value)
+}
+
+const submitEdition = async () => {
+  if (!product.value) {
+    return
+  }
+
+  const payload: Record<string, any> = {
+    name: editionForm.name.trim(),
+    reference: editionForm.reference.trim() || null,
+    constructeurIds: uniqueConstructeurIds(editionForm.constructeurIds),
+  }
+
+  const rawPrice = editionForm.supplierPrice.trim()
+  payload.supplierPrice = rawPrice
+    ? Number.isNaN(Number(rawPrice))
+      ? null
+      : Number(rawPrice)
+    : null
+
+  saving.value = true
+  try {
+    const result = await updateProduct(product.value.id, payload)
+    if (result.success && result.data?.id) {
+      product.value = result.data
+      const failedFields = await saveCustomFieldValues(result.data.id)
+      if (failedFields.length) {
+        toast.showError(`Impossible d'enregistrer ${failedFields.length} champ(s): ${failedFields.join(', ')}`)
+        return
+      }
+      toast.showSuccess('Produit mis à jour avec succès')
+      await router.push('/product-catalog')
+    }
+  } catch (error: any) {
+    toast.showError(error?.message || 'Erreur lors de la mise à jour du produit')
+  } finally {
+    saving.value = false
+  }
+}
+
+const saveCustomFieldValues = async (productId: string) => {
+  const failed: string[] = []
+  for (const field of customFieldInputs.value) {
+    const value = field.value ?? ''
+    if (field.customFieldValueId) {
+      const result = await updateCustomFieldValue(field.customFieldValueId, { value })
+      if (!result.success) {
+        failed.push(field.name)
+      }
+      continue
+    }
+
+    if (!field.customFieldId) {
+      continue
+    }
+
+    const result = await upsertCustomFieldValue(
+      field.customFieldId,
+      'product',
+      productId,
+      String(value ?? ''),
+      { customFieldName: field.name, customFieldType: field.type, customFieldRequired: field.required },
+    )
+
+    if (!result.success) {
+      failed.push(field.name)
+    }
+  }
+  return failed
+}
+
+onMounted(async () => {
+  await loadProduct()
+})
+</script>

app/pages/product/create.vue

@@ -0,0 +1,518 @@
+<template>
+  <main class="mx-auto flex w-full max-w-4xl flex-col gap-8 px-4 py-8 sm:px-6 lg:px-8">
+    <header class="flex flex-col gap-4 md:flex-row md:items-center md:justify-between">
+      <div class="space-y-1">
+        <h1 class="text-3xl font-semibold text-base-content">Nouveau produit</h1>
+        <p class="text-sm text-base-content/70">
+          Sélectionnez la catégorie cible puis renseignez toutes les informations de votre produit catalogue.
+        </p>
+      </div>
+      <NuxtLink to="/product-catalog" class="btn btn-ghost btn-sm md:btn-md self-start">
+        Retour au catalogue
+      </NuxtLink>
+    </header>
+
+    <section class="card border border-base-200 bg-base-100 shadow-sm">
+      <div class="card-body space-y-6">
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Catégorie de produit</span>
+            </label>
+            <SearchSelect
+              v-model="selectedTypeId"
+              :options="productTypeList"
+              :loading="loadingTypes"
+              size="sm"
+              placeholder="Rechercher une catégorie..."
+              empty-text="Aucune catégorie disponible"
+              :option-label="typeOptionLabel"
+              :option-description="typeOptionDescription"
+              :disabled="loadingTypes || submitting"
+            />
+            <p v-if="loadingTypes" class="text-xs text-base-content/60 mt-1">
+              Chargement des catégories…
+            </p>
+          </div>
+        </div>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Nom du produit</span>
+            </label>
+            <input
+              v-model="creationForm.name"
+              type="text"
+              class="input input-bordered input-sm md:input-md"
+              :disabled="submitting || !selectedType"
+              placeholder="Nom affiché dans le catalogue"
+              required
+            >
+          </div>
+        </div>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Référence</span>
+            </label>
+            <input
+              v-model="creationForm.reference"
+              type="text"
+              class="input input-bordered input-sm md:input-md"
+              :disabled="submitting || !selectedType"
+              placeholder="Référence interne ou fournisseur"
+            >
+          </div>
+
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Fournisseurs</span>
+            </label>
+            <ConstructeurSelect
+              v-model="creationForm.constructeurIds"
+              class="w-full"
+              :disabled="submitting || !selectedType"
+              placeholder="Rechercher un ou plusieurs fournisseurs..."
+            />
+          </div>
+        </div>
+
+        <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+          <div class="form-control">
+            <label class="label">
+              <span class="label-text">Prix fournisseur indicatif (€)</span>
+            </label>
+            <input
+              v-model="creationForm.supplierPrice"
+              type="number"
+              step="0.01"
+              min="0"
+              class="input input-bordered input-sm md:input-md"
+              :disabled="submitting || !selectedType"
+              placeholder="Valeur indicatrice"
+            >
+          </div>
+        </div>
+
+        <div v-if="selectedType" class="space-y-3 rounded-lg border border-base-200 bg-base-200/40 p-4">
+          <div class="flex items-center justify-between gap-4">
+            <div>
+              <h2 class="font-semibold text-base-content">Squelette sélectionné</h2>
+              <p class="text-xs text-base-content/70">
+                {{ selectedType.description || 'Ce squelette définit les champs personnalisés applicables aux produits de cette catégorie.' }}
+              </p>
+            </div>
+            <span class="badge badge-outline">{{ formatProductStructurePreview(selectedType.structure) }}</span>
+          </div>
+
+          <p v-if="!customFieldInputs.length" class="text-xs text-base-content/70">
+            Cette catégorie ne définit pas encore de champs personnalisés.
+          </p>
+        </div>
+
+        <div v-if="customFieldInputs.length" class="space-y-4 rounded-lg border border-base-200 bg-base-200/40 p-4">
+          <header class="space-y-1">
+            <h2 class="font-semibold text-base-content">Champs personnalisés</h2>
+            <p class="text-xs text-base-content/70">
+              Renseignez les valeurs propres à ce produit catalogue.
+            </p>
+          </header>
+          <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <div
+              v-for="(field, index) in customFieldInputs"
+              :key="fieldKey(field, index)"
+              class="form-control"
+            >
+              <label class="label">
+                <span class="label-text">{{ field.name }}</span>
+                <span v-if="field.required" class="label-text-alt text-error">*</span>
+              </label>
+              <input
+                v-if="field.type === 'text'"
+                v-model="field.value"
+                type="text"
+                class="input input-bordered input-sm md:input-md"
+                :required="field.required"
+                :disabled="submitting"
+              >
+              <input
+                v-else-if="field.type === 'number'"
+                v-model="field.value"
+                type="number"
+                step="0.01"
+                class="input input-bordered input-sm md:input-md"
+                :required="field.required"
+                :disabled="submitting"
+              >
+              <select
+                v-else-if="field.type === 'select'"
+                v-model="field.value"
+                class="select select-bordered select-sm md:select-md"
+                :required="field.required"
+                :disabled="submitting"
+              >
+                <option value="">Sélectionner...</option>
+                <option
+                  v-for="option in field.options"
+                  :key="option"
+                  :value="option"
+                >
+                  {{ option }}
+                </option>
+              </select>
+              <div v-else-if="field.type === 'boolean'" class="flex items-center gap-2">
+                <input
+                  v-model="field.value"
+                  type="checkbox"
+                  class="checkbox checkbox-sm"
+                  true-value="true"
+                  false-value="false"
+                  :disabled="submitting"
+                >
+                <span class="text-sm">{{ field.value === 'true' ? 'Oui' : 'Non' }}</span>
+              </div>
+              <input
+                v-else-if="field.type === 'date'"
+                v-model="field.value"
+                type="date"
+                class="input input-bordered input-sm md:input-md"
+                :required="field.required"
+                :disabled="submitting"
+              >
+              <input
+                v-else
+                v-model="field.value"
+                type="text"
+                class="input input-bordered input-sm md:input-md"
+                :required="field.required"
+                :disabled="submitting"
+              >
+            </div>
+          </div>
+        </div>
+
+        <div class="space-y-4 rounded-lg border border-base-200 bg-base-200/40 p-4">
+          <header class="flex flex-col gap-1 md:flex-row md:items-center md:justify-between">
+            <div>
+              <h2 class="font-semibold text-base-content">Documents</h2>
+              <p class="text-xs text-base-content/70">
+                Ajoutez des documents pour ce produit (fiches techniques, notices, etc.).
+              </p>
+            </div>
+            <span v-if="selectedDocuments.length" class="badge badge-outline">
+              {{ selectedDocuments.length }} document{{ selectedDocuments.length > 1 ? 's' : '' }} sélectionné{{ selectedDocuments.length > 1 ? 's' : '' }}
+            </span>
+          </header>
+          <div :class="{ 'pointer-events-none opacity-60': submitting || uploadingDocuments }">
+            <DocumentUpload
+              v-model="selectedDocuments"
+              title="Déposer vos fichiers"
+              subtitle="Formats acceptés : PDF, images, documents…"
+            />
+          </div>
+          <p v-if="uploadingDocuments" class="text-xs text-base-content/70">
+            Téléversement des documents en cours…
+          </p>
+        </div>
+
+        <div class="flex flex-col gap-3 md:flex-row md:justify-end">
+          <NuxtLink to="/product-catalog" class="btn btn-ghost" :class="{ 'btn-disabled': submitting }">
+            Annuler
+          </NuxtLink>
+          <button type="button" class="btn btn-primary" :disabled="!canSubmit" @click="submitCreation">
+            <span v-if="submitting" class="loading loading-spinner loading-sm mr-2"></span>
+            Créer le produit
+          </button>
+        </div>
+        <p v-if="selectedType && !requiredCustomFieldsFilled" class="text-xs text-error text-right">
+          Merci de renseigner tous les champs personnalisés obligatoires.
+        </p>
+      </div>
+    </section>
+  </main>
+</template>
+
+<script setup lang="ts">
+import { computed, onMounted, reactive, ref, watch } from 'vue'
+import { useRoute, useRouter } from '#imports'
+import ConstructeurSelect from '~/components/ConstructeurSelect.vue'
+import SearchSelect from '~/components/common/SearchSelect.vue'
+import DocumentUpload from '~/components/DocumentUpload.vue'
+import { useProductTypes } from '~/composables/useProductTypes'
+import { useProducts } from '~/composables/useProducts'
+import { useToast } from '~/composables/useToast'
+import { useCustomFields } from '~/composables/useCustomFields'
+import { useDocuments } from '~/composables/useDocuments'
+import { formatProductStructurePreview, normalizeProductStructureForSave } from '~/shared/modelUtils'
+import { uniqueConstructeurIds } from '~/shared/constructeurUtils'
+import type { ProductModelStructure } from '~/shared/types/inventory'
+import type { ModelType } from '~/services/modelTypes'
+
+interface ProductCatalogType extends ModelType {
+  structure: ProductModelStructure | null
+  customFields?: Array<Record<string, any>>
+}
+
+const route = useRoute()
+const router = useRouter()
+
+const { productTypes, loadProductTypes, loadingProductTypes } = useProductTypes()
+const { createProduct } = useProducts()
+const toast = useToast()
+const { upsertCustomFieldValue } = useCustomFields()
+const { uploadDocuments } = useDocuments()
+
+const initialTypeId = ref<string>(typeof route.query.typeId === 'string' ? route.query.typeId : '')
+const selectedTypeId = ref<string>(initialTypeId.value)
+const submitting = ref(false)
+const creationForm = reactive({
+  name: '' as string,
+  reference: '' as string,
+  constructeurIds: [] as string[],
+  supplierPrice: '' as string,
+})
+const selectedDocuments = ref<File[]>([])
+const uploadingDocuments = ref(false)
+
+interface CustomFieldInput {
+  id: string | null
+  name: string
+  type: string
+  required: boolean
+  options: string[]
+  value: string
+  customFieldId: string | null
+  orderIndex: number
+}
+
+const customFieldInputs = ref<CustomFieldInput[]>([])
+
+const loadingTypes = computed(() => loadingProductTypes.value)
+const productTypeList = computed<ProductCatalogType[]>(() =>
+  (productTypes.value || []) as ProductCatalogType[],
+)
+
+const typeOptionLabel = (type?: ProductCatalogType) => type?.name || 'Catégorie'
+const typeOptionDescription = (type?: ProductCatalogType) =>
+  type?.description ? String(type.description) : ''
+
+const selectedType = computed(() => {
+  if (!selectedTypeId.value) {
+    return null
+  }
+  return productTypeList.value.find((type) => type.id === selectedTypeId.value) ?? null
+})
+
+watch(
+  () => route.query.typeId,
+  (value) => {
+    if (typeof value === 'string') {
+      selectedTypeId.value = value
+    }
+  },
+)
+
+watch(selectedTypeId, (id) => {
+  const current = typeof route.query.typeId === 'string' ? route.query.typeId : ''
+  if ((id || '') === current) {
+    return
+  }
+  const nextQuery = { ...route.query }
+  if (id) {
+    nextQuery.typeId = id
+  } else {
+    delete nextQuery.typeId
+  }
+  router.replace({ path: route.path, query: nextQuery }).catch(() => {})
+})
+
+watch(selectedType, (type) => {
+  if (!type) {
+    clearForm()
+    customFieldInputs.value = []
+    return
+  }
+  if (!creationForm.name) {
+    creationForm.name = type.name
+  }
+  customFieldInputs.value = normalizeCustomFieldInputs(normalizeProductStructureForSave(type.structure))
+})
+
+const requiredCustomFieldsFilled = computed(() =>
+  customFieldInputs.value.every((field) => {
+    if (!field.required) {
+      return true
+    }
+    if (field.type === 'boolean') {
+      return field.value === 'true' || field.value === 'false'
+    }
+    return field.value.trim().length > 0
+  }),
+)
+
+const canSubmit = computed(() => Boolean(
+  selectedType.value &&
+  creationForm.name.trim().length >= 2 &&
+  requiredCustomFieldsFilled.value &&
+  !submitting.value,
+))
+
+const fieldKey = (field: CustomFieldInput, index: number) =>
+  field.customFieldId || field.id || `${field.name}-${index}`
+
+const normalizeCustomFieldInputs = (structure: ProductModelStructure | null): CustomFieldInput[] => {
+  if (!structure || typeof structure !== 'object') {
+    return []
+  }
+  const fields = Array.isArray(structure.customFields) ? structure.customFields : []
+  return fields
+    .map((field, index) => normalizeCustomField(field, index))
+    .filter((field): field is CustomFieldInput => field !== null)
+    .sort((a, b) => a.orderIndex - b.orderIndex)
+}
+
+const normalizeCustomField = (rawField: any, fallbackIndex = 0): CustomFieldInput | null => {
+  if (!rawField || typeof rawField !== 'object') {
+    return null
+  }
+  const name = typeof rawField.name === 'string' ? rawField.name.trim() : ''
+  if (!name) {
+    return null
+  }
+  const type = typeof rawField.type === 'string' ? rawField.type : 'text'
+  const required = !!rawField.required
+  const options = Array.isArray(rawField.options)
+    ? rawField.options.filter((option: unknown): option is string => typeof option === 'string')
+    : []
+  const defaultSource = rawField.defaultValue ?? rawField.value ?? rawField.default ?? null
+  const value = formatDefaultValue(type, defaultSource)
+  const id = typeof rawField.id === 'string' ? rawField.id : null
+  const customFieldId = typeof rawField.customFieldId === 'string' ? rawField.customFieldId : id
+  const orderIndex = typeof rawField.orderIndex === 'number' ? rawField.orderIndex : fallbackIndex
+
+  return { id, name, type, required, options, value, customFieldId, orderIndex }
+}
+
+const formatDefaultValue = (type: string, defaultValue: any): string => {
+  if (defaultValue === null || defaultValue === undefined) {
+    return ''
+  }
+  if (type === 'boolean') {
+    return String(defaultValue === true || String(defaultValue).toLowerCase() === 'true')
+  }
+  return String(defaultValue)
+}
+
+const clearForm = () => {
+  creationForm.name = ''
+  creationForm.reference = ''
+  creationForm.constructeurIds = []
+  creationForm.supplierPrice = ''
+}
+
+const buildPayload = () => {
+  const payload: Record<string, any> = {
+    name: creationForm.name.trim(),
+    typeProductId: selectedType.value?.id,
+  }
+
+  const reference = creationForm.reference.trim()
+  if (reference) {
+    payload.reference = reference
+  }
+
+  if (creationForm.constructeurIds.length) {
+    payload.constructeurIds = uniqueConstructeurIds(creationForm.constructeurIds)
+  }
+
+  const rawPrice = creationForm.supplierPrice.trim()
+  if (rawPrice) {
+    const parsed = Number(rawPrice)
+    if (!Number.isNaN(parsed)) {
+      payload.supplierPrice = parsed
+    }
+  }
+
+  return payload
+}
+
+const submitCreation = async () => {
+  if (!selectedType.value) {
+    toast.showError('Sélectionnez une catégorie de produit.')
+    return
+  }
+
+  submitting.value = true
+  try {
+    const payload = buildPayload()
+    const result = await createProduct(payload)
+    if (result.success && result.data?.id) {
+      const productId = result.data.id
+      const failedFields = await saveCustomFieldValues(result.data.id)
+      if (failedFields.length) {
+        toast.showError(`Produit créé, mais impossible d'enregistrer ${failedFields.length} champ(s): ${failedFields.join(', ')}`)
+        await router.push(`/product/${result.data.id}/edit`)
+        return
+      }
+      if (selectedDocuments.value.length) {
+        uploadingDocuments.value = true
+        const uploadResult = await uploadDocuments(
+          {
+            files: selectedDocuments.value,
+            context: { productId },
+          },
+          { updateStore: false },
+        )
+        if (!uploadResult.success) {
+          const message = uploadResult.error
+            ? `Documents non ajoutés : ${uploadResult.error}`
+            : 'Documents non ajoutés : une erreur est survenue.'
+          toast.showError(message)
+        } else {
+          selectedDocuments.value = []
+        }
+      }
+      toast.showSuccess('Produit créé avec succès')
+      await router.push('/product-catalog')
+    }
+  } catch (error: any) {
+    toast.showError(error?.message || 'Erreur lors de la création du produit')
+  } finally {
+    submitting.value = false
+    uploadingDocuments.value = false
+  }
+}
+
+const saveCustomFieldValues = async (productId: string) => {
+  const failed: string[] = []
+  for (const field of customFieldInputs.value) {
+    if (!field.customFieldId || !field.name) {
+      continue
+    }
+    const value = field.value ?? ''
+    const result = await upsertCustomFieldValue(
+      field.customFieldId,
+      'product',
+      productId,
+      String(value ?? ''),
+      { customFieldName: field.name, customFieldType: field.type, customFieldRequired: field.required },
+    )
+    if (!result.success) {
+      failed.push(field.name)
+    }
+  }
+  return failed
+}
+
+onMounted(async () => {
+  await loadProductTypes()
+  if (selectedTypeId.value && !selectedType.value) {
+    await router.replace({
+      path: route.path,
+      query: { ...route.query, typeId: undefined },
+    }).catch(() => {})
+  }
+})
+</script>