feat(c4): lançamento de pedido — catálogo, alçada por linha, POST /orders

- Prisma: Product + RepDiscountLimit + productCategory em OrderItem + migration
- Seed: 28 produtos (5 categorias) + alçadas user-001 (default 10%, bebidas 8%, perecíveis 5%)
- @sar/api-interface: ProductSummarySchema, ProductDetailSchema, ProductSyncRequestSchema, CreateOrderSchema
- API: CatalogModule (GET /catalog, GET /catalog/:id, POST /catalog/sync)
- API: POST /orders — valida alçada por linha/produto (OQ-2), idempotency-key (FR-4.3), desnorm cliente
- Web: NewOrderPage (3 steps: catálogo → desconto/obs → confirmação)
- Web: botão Novo Pedido na ClientDetailPage (desabilitado se financialStatus=blocked)
- Web: rota /pedidos/novo com search param clientId

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

apps/web/src/lib/router.tsx

@@ -4,6 +4,7 @@ import { RafaelPainel } from '../cockpits/rafael/RafaelPainel';
 import { ClientsPage } from '../cockpits/rafael/ClientsPage';
 import { ClientDetailPage } from '../cockpits/rafael/ClientDetailPage';
 import { OrdersPage } from '../cockpits/rafael/OrdersPage';
+import { NewOrderPage } from '../cockpits/rafael/NewOrderPage';
 
 const rootRoute = createRootRoute({
   component: () => (
@@ -43,6 +44,12 @@ const pedidosRoute = createRoute({
   component: OrdersPage,
 });
 
+const novoOrderRoute = createRoute({
+  getParentRoute: () => rootRoute,
+  path: '/pedidos/novo',
+  component: NewOrderPage,
+});
+
 const pedidoDetailRoute = createRoute({
   getParentRoute: () => rootRoute,
   path: '/pedidos/$id',
@@ -62,6 +69,7 @@ const routeTree = rootRoute.addChildren([
   clientesRoute,
   clienteDetailRoute,
   pedidosRoute,
+  novoOrderRoute,
   pedidoDetailRoute,
 ]);