[feat] loading inventory

src/components/CardGrid.astro

@@ -48,6 +48,21 @@ import BackToTop from "./BackToTop.astro"
 (function () {
 
   function initInventoryForms(root = document) {
+    // Fetch inventory entries for this card
+    const invList = root.querySelector('#inventoryEntryList') || document.getElementById('inventoryEntryList');
+    if (invList && !invList.dataset.inventoryFetched) {
+      invList.dataset.inventoryFetched = 'true';
+      const cardId = invList.dataset.cardId;
+      if (cardId) {
+        const body = new FormData();
+        body.append('cardId', cardId);
+        fetch('/api/inventory', { method: 'POST', body })
+          .then(r => r.text())
+          .then(html => { invList.innerHTML = html || ''; })
+          .catch(() => { invList.innerHTML = '<span class="text-danger">Failed to load inventory</span>'; });
+      }
+    }
+
     const forms = root.querySelectorAll('[data-inventory-form]');
 
     forms.forEach((form) => {