feat(orders): month/year filter on both order lists + fix received-orders search

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/routes/admin/issued-orders.ts

@@ -34,6 +34,8 @@ export default async function issuedOrdersRoutes(fastify: FastifyInstance) {
         search,
         status: query.status ? String(query.status) : undefined,
         customer_id: query.customer_id ? Number(query.customer_id) : undefined,
+        month: query.month ? Number(query.month) : undefined,
+        year: query.year ? Number(query.year) : undefined,
       });
       return paginated(
         reply,