feat(items): add server field and improve item management

refactor(ai): enhance item structure generation with schema validation
feat(ai): add token usage tracking and cost calculation
fix(ui): improve item card number formatting with locale support
docs(items): add documentation for item value separation
test(items): add tests for value field validation

app/[locale]/admin/items/new/page.tsx

@@ -6,6 +6,7 @@ import { AdminItemCreatePage } from "@/components/admin/items/AdminItemCreatePag
 import { getSession } from "@/lib/redis/session";
 import { getUserById } from "@/lib/prisma/queries/users";
 import { searchAdminItems } from "@/lib/prisma/queries/items";
+import { getActiveServers } from "@/lib/prisma/queries/servers";
 
 export async function generateMetadata(): Promise<Metadata> {
   return {
@@ -38,7 +39,10 @@ export default async function AdminNewItemPage({
     redirect(`/${locale}`);
   }
 
-  const initialItems = await searchAdminItems({ page: 1, pageSize: 1 });
+  const [initialItems, activeServers] = await Promise.all([
+    searchAdminItems({ page: 1, pageSize: 1 }),
+    getActiveServers(),
+  ]);
 
   return (
     <div className="min-h-screen bg-background">
@@ -47,7 +51,7 @@ export default async function AdminNewItemPage({
         <AdminItemCreatePage
           locale={locale}
           categories={initialItems.categories ?? []}
-          serverOptions={initialItems.servers ?? []}
+          serverOptions={(activeServers ?? []).map((s) => s.server_name)}
         />
       </main>
     </div>