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/clients/clients.module.ts

@@ -1,8 +1,10 @@
 import { Module } from '@nestjs/common';
 import { ClientsController } from './clients.controller';
 import { ClientsService } from './clients.service';
+import { OrdersModule } from '../orders/orders.module';
 
 @Module({
+  imports: [OrdersModule],
   controllers: [ClientsController],
   providers: [ClientsService],
 })