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/prisma/migrations/20260527225728_add_client/migration.sql

@@ -0,0 +1,41 @@
+-- CreateEnum
+CREATE TYPE "FinancialStatus" AS ENUM ('regular', 'attention', 'blocked');
+
+-- CreateTable
+CREATE TABLE "Client" (
+    "id" UUID NOT NULL,
+    "name" TEXT NOT NULL,
+    "tradeName" TEXT,
+    "taxId" TEXT NOT NULL,
+    "email" TEXT,
+    "phone" TEXT,
+    "address" JSONB,
+    "financialStatus" "FinancialStatus" NOT NULL DEFAULT 'regular',
+    "creditLimit" DECIMAL(15,2),
+    "repId" TEXT NOT NULL,
+    "lastOrderAt" TIMESTAMP(3),
+    "lastOrderValue" DECIMAL(15,2),
+    "openOrdersCount" INTEGER NOT NULL DEFAULT 0,
+    "erpCode" TEXT,
+    "syncedAt" TIMESTAMP(3),
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+    "deletedAt" TIMESTAMP(3),
+
+    CONSTRAINT "Client_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Client_taxId_key" ON "Client"("taxId");
+
+-- CreateIndex
+CREATE INDEX "Client_repId_idx" ON "Client"("repId");
+
+-- CreateIndex
+CREATE INDEX "Client_taxId_idx" ON "Client"("taxId");
+
+-- CreateIndex
+CREATE INDEX "Client_name_idx" ON "Client"("name");
+
+-- CreateIndex
+CREATE INDEX "Client_deletedAt_idx" ON "Client"("deletedAt");