Add error handling to stock page for Prisma queries

src/app/admin/accounts/stock/page.tsx

@@ -4,24 +4,34 @@ import AccountsNav from '@/components/AccountsNav';
 import StockAdjustForm from '@/components/StockAdjustForm';
 
 export default async function StockPage() {
-  const [levels, productRows] = await Promise.all([
-    prisma.stockLevel.findMany({
-      include: { product: true },
-      orderBy: [{ product: { name: 'asc' } }, { color: 'asc' }, { size: 'asc' }],
-    }),
-    prisma.product.findMany({ orderBy: { name: 'asc' } }),
-  ]);
+  let levels = [];
+  let productRows = [];
+
+  try {
+    [levels, productRows] = await Promise.all([
+      prisma.stockLevel.findMany({
+        include: { product: true },
+      }),
+      prisma.product.findMany(),
+    ]);
+  } catch (err) {
+    console.error('Error fetching stock data:', err);
+  }
 
   const products = productRows.map((p) => ({
     id: p.id,
     name: p.name,
     colors: JSON.parse(p.colors) as string[],
     sizes: p.sizes ? (JSON.parse(p.sizes) as string[]) : [],
-  }));
+  })).sort((a, b) => a.name.localeCompare(b.name));
 
   // Group rows under their product for a readable table.
   const grouped = new Map<string, typeof levels>();
-  for (const level of levels) {
+  for (const level of levels.sort((a, b) => {
+    if (a.product.name !== b.product.name) return a.product.name.localeCompare(b.product.name);
+    if (a.color !== b.color) return a.color.localeCompare(b.color);
+    return (a.size || '').localeCompare(b.size || '');
+  })) {
     const list = grouped.get(level.productId) ?? [];
     list.push(level);
     grouped.set(level.productId, list);