feat(c3): consulta de pedidos — schema, api, web (OrdersModule + ClientDetailPage)

- Prisma: Order, OrderItem, OrderStatusHistory + migration
- Seed: 17 pedidos em 7 clientes com itens, histórico e desnorm de clientes
- @sar/api-interface: contratos Zod (OrderSummary, OrderDetail, OrderListQuery, etc.)
- API: GET /orders, GET /orders/:id, GET /clients/:id/orders (últimos 10)
- Web: OrdersPage (lista + filtro status/número + pending_approval highlighted)
- Web: ClientDetailPage (ficha completa + últimos 10 pedidos)
- Web: /pedidos e /pedidos/$id adicionados ao router; ClientDetailPage substitui placeholder

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

apps/api/src/app/orders/orders.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { OrdersController } from './orders.controller';
+import { OrdersService } from './orders.service';
+
+@Module({
+  controllers: [OrdersController],
+  providers: [OrdersService],
+  exports: [OrdersService],
+})
+export class OrdersModule {}