feat: enhance document management UI

app/components/ComponentItem.vue

@@ -157,6 +157,60 @@
         </div>
       </div>
 
+      <div class="mt-4 pt-4 border-t border-gray-200 space-y-3">
+        <div class="flex items-center justify-between">
+          <h4 class="font-semibold text-sm text-gray-700">Documents</h4>
+          <span v-if="isEditMode && selectedFiles.length" class="badge badge-outline">
+            {{ selectedFiles.length }} fichier{{ selectedFiles.length > 1 ? 's' : '' }} sélectionné{{ selectedFiles.length > 1 ? 's' : '' }}
+          </span>
+        </div>
+
+        <p v-if="loadingDocuments" class="text-xs text-gray-500">Chargement des documents...</p>
+
+        <DocumentUpload
+          v-if="isEditMode"
+          v-model="selectedFiles"
+          title="Déposer des fichiers pour ce composant"
+          subtitle="Formats acceptés : PDF, images, documents..."
+          @files-added="handleFilesAdded"
+        />
+
+        <div v-if="componentDocuments.length" class="space-y-2">
+          <div
+            v-for="document in componentDocuments"
+            :key="document.id"
+            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">
+              <span class="text-xl" :class="documentIcon(document).colorClass">
+                {{ documentIcon(document).icon }}
+              </span>
+              <div>
+                <div class="font-medium">{{ document.name }}</div>
+                <div class="text-xs text-gray-500">
+                  {{ 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" @click="downloadDocument(document)">
+                Télécharger
+              </button>
+              <button
+                v-if="isEditMode"
+                type="button"
+                class="btn btn-error btn-xs"
+                :disabled="uploadingDocuments"
+                @click="removeDocument(document.id)"
+              >
+                Supprimer
+              </button>
+            </div>
+          </div>
+        </div>
+        <p v-else-if="!loadingDocuments" class="text-xs text-gray-500">Aucun document lié à ce composant.</p>
+      </div>
+
       <!-- Component Pieces -->
       <div v-if="component.pieces && component.pieces.length > 0" class="space-y-2">
         <h4 class="font-semibold text-gray-700">Pièces du composant</h4>
@@ -194,8 +248,10 @@
 </template>
 
 <script setup>
-import { ref, watch } from 'vue'
+import { ref, watch, computed } from 'vue'
 import PieceItem from './PieceItem.vue'
+import DocumentUpload from './DocumentUpload.vue'
+import { useDocuments } from '~/composables/useDocuments'
 
 const props = defineProps({
   component: {
@@ -219,17 +275,37 @@ const props = defineProps({
 const emit = defineEmits(['update', 'edit-piece'])
 
 const isCollapsed = ref(true)
+const selectedFiles = ref([])
+const uploadingDocuments = ref(false)
+const loadingDocuments = ref(false)
+const documentsLoaded = ref(!!(props.component.documents && props.component.documents.length))
+const componentDocuments = computed(() => props.component.documents || [])
+
+const { uploadDocuments, deleteDocument, loadDocumentsByComponent } = useDocuments()
 
 watch(
   () => props.toggleToken,
   () => {
     isCollapsed.value = props.collapseAll
+    if (!isCollapsed.value) {
+      ensureDocumentsLoaded()
+    }
   },
   { immediate: true }
 )
 
+watch(
+  () => props.component.documents,
+  (docs) => {
+    documentsLoaded.value = !!(docs && docs.length)
+  }
+)
+
 const toggleCollapse = () => {
   isCollapsed.value = !isCollapsed.value
+  if (!isCollapsed.value) {
+    ensureDocumentsLoaded()
+  }
 }
 
 // Methods
@@ -254,4 +330,76 @@ const updatePieceCustomField = (fieldUpdate) => {
   // Forward to parent
   emit('edit-piece', { ...fieldUpdate, type: 'custom-field-update' })
 }
+
+const ensureDocumentsLoaded = async () => {
+  if (documentsLoaded.value || !props.component?.id) return
+  await refreshDocuments()
+}
+
+const refreshDocuments = async () => {
+  loadingDocuments.value = true
+  try {
+    const result = await loadDocumentsByComponent(props.component.id, { updateStore: false })
+    if (result.success) {
+      props.component.documents = result.data || []
+      documentsLoaded.value = true
+    }
+  } finally {
+    loadingDocuments.value = false
+  }
+}
+
+const handleFilesAdded = async (files) => {
+  if (!files.length || !props.component?.id) return
+  uploadingDocuments.value = true
+  try {
+    const result = await uploadDocuments(
+      {
+        files,
+        context: { composantId: props.component.id }
+      },
+      { updateStore: false }
+    )
+
+    if (result.success) {
+      const newDocs = result.data || []
+      props.component.documents = [...newDocs, ...(props.component.documents || [])]
+      documentsLoaded.value = true
+      selectedFiles.value = []
+    }
+  } finally {
+    uploadingDocuments.value = false
+  }
+}
+
+const removeDocument = async (documentId) => {
+  if (!documentId) return
+  const result = await deleteDocument(documentId, { updateStore: false })
+  if (result.success) {
+    props.component.documents = (props.component.documents || []).filter(doc => doc.id !== documentId)
+  }
+}
+
+const downloadDocument = (doc) => {
+  if (!doc?.path) return
+
+  if (doc.path.startsWith('data:')) {
+    const link = document.createElement('a')
+    link.href = doc.path
+    link.download = doc.filename || doc.name || 'document'
+    link.click()
+    return
+  }
+
+  window.open(doc.path, '_blank')
+}
+
+const formatSize = (size) => {
+  if (size === undefined || size === null) 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]}`
+}
 </script>