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/package.json

@@ -2,5 +2,8 @@
   "name": "@sar/api",
   "version": "0.1.0",
   "private": true,
-  "description": "SAR · API (NestJS 11 — CommonJS conforme CODING-RULES.md PGD-DB-004)"
+  "description": "SAR · API (NestJS 11 — CommonJS conforme CODING-RULES.md PGD-DB-004)",
+  "prisma": {
+    "seed": "tsx prisma/seed.ts"
+  }
 }