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/api/admin/items/route.ts

@@ -129,6 +129,7 @@ export async function POST(request: NextRequest) {
     const body = await request.json();
     const name = typeof body?.name === "string" ? body.name.trim() : "";
     const category = typeof body?.category === "string" ? body.category.trim().toLowerCase() : "";
+    const originServer = typeof body?.server === "string" ? body.server.trim() || null : null;
 
     if (!name || !category) {
       return NextResponse.json(
@@ -150,11 +151,19 @@ export async function POST(request: NextRequest) {
       ...dynamicFields,
     } as Record<string, unknown>;
 
+    // Se enviado servidor de origem, inclui na linha do SQLite e garante presença na lista de servidores do item
+    if (originServer) {
+      sqliteData.server = originServer;
+    }
+
     const sqliteId = insertCategoryItem({ category, data: sqliteData });
 
     const metadataBase = typeof body?.metadata === "object" && body.metadata !== null ? body.metadata : {};
     const metadata = { ...metadataBase, ...dynamicFields } as Record<string, unknown>;
 
+    const itemServers = parseList(body?.servers);
+    const finalServers = originServer ? Array.from(new Set([originServer, ...itemServers])) : itemServers;
+
     const item = await createAdminItem({
       item_name: name,
       category,
@@ -165,7 +174,7 @@ export async function POST(request: NextRequest) {
       weight: typeof body?.weight === "number" ? body.weight : null,
       slots: typeof body?.slots === "number" ? body.slots : null,
       skill: typeof body?.skill === "string" ? body.skill.trim() || null : null,
-      servers: parseList(body?.servers),
+      servers: finalServers,
       tags: parseList(body?.tags),
       description:
         typeof body?.description === "string" ? body.description.trim() || null : null,