refactor(machine): decompose detail page into composables + 7 components (F1.1)

Extract 2 composables (useMachineDetailData, useMachineSkeletonEditor) and
7 UI components from machine/[id].vue, reducing it from 2989 to 219 LOC.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/components/machine/MachineProductsCard.vue

@@ -0,0 +1,62 @@
+<template>
+  <div class="card bg-base-100 shadow-lg">
+    <div class="card-body space-y-4">
+      <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.
+          </p>
+        </div>
+        <span class="badge badge-outline" v-if="products.length">
+          {{ products.length }} produit{{ products.length > 1 ? 's' : '' }}
+        </span>
+      </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"
+        >
+          <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">
+              {{ product.groupLabel }}
+            </span>
+          </div>
+          <p v-if="product.reference" class="text-xs text-base-content/70">
+            <span class="font-medium">Référence :</span>
+            <span class="ml-1">{{ product.reference }}</span>
+          </p>
+          <p v-if="product.supplierLabel" class="text-xs text-base-content/70">
+            <span class="font-medium">Fournisseurs :</span>
+            <span class="ml-1">{{ product.supplierLabel }}</span>
+          </p>
+          <p v-if="product.priceLabel" class="text-xs text-base-content/70">
+            <span class="font-medium">Prix indicatif :</span>
+            <span class="ml-1">{{ product.priceLabel }}</span>
+          </p>
+        </div>
+      </div>
+      <p v-else class="text-xs text-gray-500">
+        Aucun produit n'a été associé directement à cette machine.
+      </p>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+defineProps<{
+  products: Array<{
+    id?: string | null
+    name?: string
+    reference?: string | null
+    supplierLabel?: string | null
+    priceLabel?: string | null
+    groupLabel?: string
+  }>
+}>()
+</script>