feat: extract inventory copy workflow step

apps/web/src/pages/AdminHomePage.vue

@@ -7,6 +7,7 @@ import AdminListingStatus from "@/components/molecules/AdminListingStatus.vue";
 import InventoryWorkflowStepper from "@/components/molecules/InventoryWorkflowStepper.vue";
 import ProductIdentityStep from "@/components/molecules/ProductIdentityStep.vue";
 import ProviderMappingStep from "@/components/molecules/ProviderMappingStep.vue";
+import InventoryCopyStep from "@/components/molecules/InventoryCopyStep.vue";
 import {
   createAdminInventory,
   createAdminProduct,
@@ -702,48 +703,16 @@ onMounted(load);
         @product-change="loadProviderMappings($event)"
         @submit="createProviderMapping"
       />
-      <form id="workflow-inventory" class="showcase-panel" @submit.prevent="createInventory">
-        <h2>Add inventory copy</h2>
-        <label class="fixture-label" for="inventory-product">Product</label>
-        <select
-          id="inventory-product"
-          v-model="inventoryProductId"
-          class="fixture-input"
-          required
-        >
-          <option value="" disabled>Select a product</option>
-          <option
-            v-for="product in products"
-            :key="product.id"
-            :value="product.id"
-          >
-            {{ product.name }}
-          </option>
-        </select>
-        <label class="fixture-label" for="inventory-condition">Condition</label>
-        <select
-          id="inventory-condition"
-          v-model="conditionId"
-          class="fixture-input"
-          required
-        >
-          <option value="" disabled>Select a condition</option>
-          <option
-            v-for="condition in conditions"
-            :key="condition.id"
-            :value="condition.id"
-          >
-            {{ condition.name }} ({{ condition.code }})
-          </option>
-        </select>
-        <button
-          class="button button--primary"
-          type="submit"
-          :disabled="isSaving"
-        >
-          Create copy
-        </button>
-      </form>
+      <InventoryCopyStep
+        :product-id="inventoryProductId"
+        :condition-id="conditionId"
+        :products="products"
+        :conditions="conditions"
+        :is-saving="isSaving"
+        @update:product-id="inventoryProductId = $event"
+        @update:condition-id="conditionId = $event"
+        @submit="createInventory"
+      />
       <form id="workflow-listing" class="showcase-panel" @submit.prevent="createListing">
         <h2>Create listing draft</h2>
         <label class="fixture-label" for="listing-inventory"