support_backend/prisma/seed/demo.seed.ts

import { randomUUID } from 'crypto';
import { PrismaClient, UserRole } from '@prisma/client';
import bcrypt from 'bcryptjs';

export async function seedDemoData(prisma: PrismaClient): Promise<void> {
  // eslint-disable-next-line no-console
  console.log('  -> Seeding demo environment data...');

  // Legacy demo row, pre-existing since before 010-identity-auth: a CUSTOMER-role User is
  // never a real login identity (customer identity is exclusively SaaS-delegated, see
  // specs/010-identity-auth/spec.md Assumptions) — passwordHash is populated only to satisfy
  // the column's NOT NULL constraint; this account can never authenticate via /auth/login.
  await prisma.user.upsert({
    where: { email: 'john.doe@example.com' },
    update: {},
    create: {
      email: 'john.doe@example.com',
      name: 'John Doe (Demo Customer)',
      role: UserRole.CUSTOMER,
      passwordHash: await bcrypt.hash(randomUUID(), 10),
    },
  });
}