WIP: corrections multiples formulaires et sérialisation

- Fix constructeurUtils: réordonner delete/add pour sauvegarder les fournisseurs
- Fix prix/supplierPrice: envoyer en string pour DECIMAL Doctrine
- Fix useMachineTypesApi: normaliser les requirements et forceRefresh
- Fix SearchSelect: watch deep sur baseOptions
- Debug logs temporaires pour pieceRequirements

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

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

@@ -352,7 +352,7 @@ const route = useRoute()
 const router = useRouter()
 const toast = useToast()
 const { getProduct, updateProduct } = useProducts()
-const { upsertCustomFieldValue, updateCustomFieldValue } = useCustomFields()
+const { upsertCustomFieldValue, updateCustomFieldValue, getCustomFieldValuesByEntity } = useCustomFields()
 const {
   loadDocumentsByProduct,
   uploadDocuments: uploadProductDocuments,
@@ -373,6 +373,15 @@ const productDocuments = ref<any[]>([])
 const previewDocument = ref<any | null>(null)
 const previewVisible = ref(false)
 
+const refreshCustomFieldInputs = (
+  structureOverride?: ProductModelStructure | null,
+  valuesOverride?: any[] | null,
+) => {
+  const nextStructure = structureOverride ?? structure.value ?? null
+  const nextValues = valuesOverride ?? product.value?.customFieldValues ?? null
+  customFieldInputs.value = buildCustomFieldInputs(nextStructure, nextValues)
+}
+
 const editionForm = reactive({
   name: '' as string,
   reference: '' as string,
@@ -493,6 +502,11 @@ const loadProduct = async () => {
     product.value = result.data
     productDocuments.value = Array.isArray(result.data?.documents) ? result.data.documents : []
     await loadProductType()
+    const customValues = await getCustomFieldValuesByEntity('product', result.data.id)
+    if (customValues.success && Array.isArray(customValues.data)) {
+      product.value.customFieldValues = customValues.data
+      refreshCustomFieldInputs(undefined, customValues.data)
+    }
     await hydrateForm()
     await refreshDocuments()
   } else {
@@ -582,7 +596,7 @@ const hydrateForm = async () => {
   editionForm.supplierPrice = product.value.supplierPrice !== null && product.value.supplierPrice !== undefined
     ? String(product.value.supplierPrice)
     : ''
-  customFieldInputs.value = buildCustomFieldInputs(structure.value, product.value.customFieldValues)
+  refreshCustomFieldInputs(structure.value, product.value.customFieldValues)
   if (editionForm.constructeurIds.length) {
     await ensureConstructeurs(editionForm.constructeurIds)
   }
@@ -691,11 +705,13 @@ const submitEdition = async () => {
     constructeurIds,
   }
 
-  const rawPrice = editionForm.supplierPrice.trim()
-  payload.supplierPrice = rawPrice
+  const rawPrice = typeof editionForm.supplierPrice === 'string'
+    ? editionForm.supplierPrice.trim()
+    : editionForm.supplierPrice
+  payload.supplierPrice = rawPrice !== '' && rawPrice !== null && rawPrice !== undefined
     ? Number.isNaN(Number(rawPrice))
       ? null
-      : Number(rawPrice)
+      : String(Number(rawPrice))
     : null
 
   saving.value = true
@@ -730,20 +746,29 @@ const saveCustomFieldValues = async (productId: string) => {
       continue
     }
 
-    if (!field.customFieldId) {
-      continue
-    }
+    const metadata = field.customFieldId
+      ? undefined
+      : { customFieldName: field.name, customFieldType: field.type, customFieldRequired: field.required }
 
     const result = await upsertCustomFieldValue(
       field.customFieldId,
       'product',
       productId,
       String(value ?? ''),
-      { customFieldName: field.name, customFieldType: field.type, customFieldRequired: field.required },
+      metadata,
     )
 
     if (!result.success) {
       failed.push(field.name)
+    } else {
+      const createdValue = result.data
+      if (createdValue?.id) {
+        field.customFieldValueId = createdValue.id
+      }
+      const resolvedId = createdValue?.customField?.id || field.customFieldId
+      if (resolvedId) {
+        field.customFieldId = resolvedId
+      }
     }
   }
   return failed

app/pages/product/create.vue

@@ -425,11 +425,13 @@ const buildPayload = () => {
 
   payload.constructeurIds = uniqueConstructeurIds(creationForm.constructeurIds)
 
-  const rawPrice = creationForm.supplierPrice.trim()
-  if (rawPrice) {
+  const rawPrice = typeof creationForm.supplierPrice === 'string'
+    ? creationForm.supplierPrice.trim()
+    : creationForm.supplierPrice
+  if (rawPrice !== '' && rawPrice !== null && rawPrice !== undefined) {
     const parsed = Number(rawPrice)
     if (!Number.isNaN(parsed)) {
-      payload.supplierPrice = parsed
+      payload.supplierPrice = String(parsed)
     }
   }
 
@@ -486,19 +488,31 @@ const submitCreation = async () => {
 const saveCustomFieldValues = async (productId: string) => {
   const failed: string[] = []
   for (const field of customFieldInputs.value) {
-    if (!field.customFieldId || !field.name) {
+    if (!field.name) {
       continue
     }
     const value = field.value ?? ''
+    const metadata = field.customFieldId
+      ? undefined
+      : { customFieldName: field.name, customFieldType: field.type, customFieldRequired: field.required }
     const result = await upsertCustomFieldValue(
       field.customFieldId,
       'product',
       productId,
       String(value ?? ''),
-      { customFieldName: field.name, customFieldType: field.type, customFieldRequired: field.required },
+      metadata,
     )
     if (!result.success) {
       failed.push(field.name)
+    } else {
+      const createdValue = result.data
+      if (createdValue?.id) {
+        field.customFieldValueId = createdValue.id
+      }
+      const resolvedId = createdValue?.customField?.id || field.customFieldId
+      if (resolvedId) {
+        field.customFieldId = resolvedId
+      }
     }
   }
   return failed