nestarcProduction-ready NestJS modules for SaaS backends

// Scattered across 50+ services, easy to forget, hard to audit
async updateUser(id: string, dto: UpdateUserDto) {
  const before = await this.prisma.user.findUnique({ where: { id } });
  await this.prisma.$executeRaw`SELECT set_config('app.current_tenant', ${tenantId}, true)`;
  const after = await this.prisma.user.update({ where: { id, deletedAt: null }, data: dto });
  await this.auditService.log({ action: 'user.update', before, after });
  return { success: true, data: after, timestamp: new Date() };
}

// Tenant isolation, audit logging, soft-delete filtering, and response wrapping
// are all handled automatically by Prisma extensions and NestJS interceptors.
async updateUser(id: string, dto: UpdateUserDto) {
  return this.prisma.user.update({ where: { id }, data: dto });
}