fix(api): reduce itemsPerPage from 500 to 200 on bulk catalog loads

Prevents memory exhaustion (OOM) on production server when loading
pieces, products, and composants in the component edit page.

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

app/pages/component/[id]/edit.vue

@@ -1136,9 +1136,9 @@ onMounted(async () => {
 
   // Defer bulk catalog loads — not needed for initial render
   Promise.allSettled([
-    loadPieces({ itemsPerPage: 500 }),
-    loadProducts({ itemsPerPage: 500 }),
-    loadComposants({ itemsPerPage: 500 }),
+    loadPieces({ itemsPerPage: 200 }),
+    loadProducts({ itemsPerPage: 200 }),
+    loadComposants({ itemsPerPage: 200 }),
   ]).catch(() => {})
 })
 </script>