feat(api,web): c2 consulta de clientes — list + search + auth flow

prisma: modelo Client + migração 20260527225728_add_client + seed dev (10 clientes)
api: GET /clients (list, busca, filtro atividade/financeiro, paginação) + GET /clients/:id
     rep vê carteira própria; supervisor/admin vê tudo; activityStatus calculado de lastOrderAt
@sar/api-interface: ClientSummarySchema, ClientDetailSchema, ClientListResponseSchema
web: ClientsPage (tabela AntD, busca, filtro), DevLogin (token dev), authStore, Bearer no apiFetch
oq-4 resolvida: creditLimit gerenciado no SAR

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

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

@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { ClientsController } from './clients.controller';
+import { ClientsService } from './clients.service';
+
+@Module({
+  controllers: [ClientsController],
+  providers: [ClientsService],
+})
+export class ClientsModule {}