frontend: add machine skeleton page

app/pages/machine-skeleton.vue

@@ -0,0 +1,129 @@
+<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="/generator" 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>
+            <div class="card-actions justify-end mt-4">
+              <button class="btn btn-sm btn-error" @click.stop="confirmDeleteType(type)">
+                Supprimer
+              </button>
+              <NuxtLink :to="`/type/${type.id}`" class="btn btn-sm btn-outline">Voir détails</NuxtLink>
+              <button class="btn btn-sm btn-primary">Utiliser</button>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <!-- Empty State -->
+      <div v-if="filteredTypes.length === 0" class="text-center py-12">
+       <div class="avatar placeholder">
+         <div class="bg-neutral text-neutral-content rounded-full w-16">
+            <IconLucideLayoutGrid class="w-8 h-8" aria-hidden="true" />
+          </div>
+        </div>
+        <h3 class="text-lg font-semibold text-gray-600 mt-4">Aucun type trouvé</h3>
+        <p class="text-gray-500">Aucun type de machine ne correspond à cette catégorie.</p>
+      </div>
+    </div>
+  </main>
+</template>
+
+<script setup>
+import { ref, computed, onMounted } from 'vue'
+import { useMachineTypesApi } from '~/composables/useMachineTypesApi'
+import { useToast } from '~/composables/useToast'
+import IconLucidePlus from '~icons/lucide/plus'
+import IconLucidePackage from '~icons/lucide/package'
+import IconLucideLayoutGrid from '~icons/lucide/layout-grid'
+
+const { machineTypes, loading, loadMachineTypes, deleteMachineType } = useMachineTypesApi()
+
+const categories = ref([
+  'Toutes',
+  'Production',
+  'Transformation', 
+  'Manutention',
+  'Traitement',
+  'Contrôle'
+])
+
+const selectedCategory = ref('Toutes')
+
+const filteredTypes = computed(() => {
+  if (selectedCategory.value === 'Toutes') {
+    return machineTypes.value
+  }
+  return machineTypes.value.filter(type => type.category === selectedCategory.value)
+})
+
+const confirmDeleteType = async (type) => {
+  const { showError, showSuccess } = useToast()
+  
+  if (confirm(`Êtes-vous sûr de vouloir supprimer le type "${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(`Erreur lors de la suppression: ${result.error}`)
+      }
+    } catch (error) {
+      showError(`Erreur lors de la suppression: ${error.message}`)
+    }
+  }
+}
+
+// Load machine types on mount
+onMounted(async () => {
+  await loadMachineTypes()
+})
+</script>