Add seed script to populate the database with admin user

server/prisma.config.ts

@@ -7,6 +7,7 @@ export default defineConfig({
   schema: "prisma/schema.prisma",
   migrations: {
     path: "prisma/migrations",
+    seed: "bun prisma/seed.ts",
   },
   datasource: {
     url: process.env["DATABASE_URL"],

server/prisma/migrations/20260210200027_add_user_role/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "user" ADD COLUMN     "role" TEXT NOT NULL DEFAULT 'agent';

server/prisma/migrations/20260210200100_change_role_to_enum/migration.sql

@@ -0,0 +1,7 @@
+-- CreateEnum
+CREATE TYPE "Role" AS ENUM ('admin', 'agent');
+
+-- AlterTable (cast existing text values to the new enum)
+ALTER TABLE "user" ALTER COLUMN "role" DROP DEFAULT,
+  ALTER COLUMN "role" TYPE "Role" USING "role"::"Role",
+  ALTER COLUMN "role" SET DEFAULT 'agent';

server/prisma/schema.prisma

@@ -13,12 +13,18 @@ datasource db {
   provider = "postgresql"
 }
 
+enum Role {
+  admin
+  agent
+}
+
 model User {
   id            String    @id
   name          String
   email         String    @unique
   emailVerified Boolean
   image         String?
+  role          Role      @default(agent)
   createdAt     DateTime
   updatedAt     DateTime
   sessions      Session[]

server/prisma/seed.ts

@@ -0,0 +1,63 @@
+import "dotenv/config";
+import { PrismaPg } from "@prisma/adapter-pg";
+import { PrismaClient } from "../src/generated/prisma/client";
+import { Role } from "../src/generated/prisma/client";
+import { hashPassword } from "better-auth/crypto";
+
+const adapter = new PrismaPg({ connectionString: process.env.DATABASE_URL });
+const prisma = new PrismaClient({ adapter });
+
+async function main() {
+  const email = process.env.SEED_ADMIN_EMAIL;
+  const password = process.env.SEED_ADMIN_PASSWORD;
+
+  if (!email || !password) {
+    throw new Error(
+      "SEED_ADMIN_EMAIL and SEED_ADMIN_PASSWORD must be set in .env"
+    );
+  }
+
+  const existing = await prisma.user.findUnique({ where: { email } });
+  if (existing) {
+    console.log(`Admin user ${email} already exists — skipping.`);
+    return;
+  }
+
+  const hashedPassword = await hashPassword(password);
+  const userId = crypto.randomUUID();
+  const now = new Date();
+
+  await prisma.$transaction([
+    prisma.user.create({
+      data: {
+        id: userId,
+        name: "Admin",
+        email,
+        emailVerified: false,
+        role: Role.admin,
+        createdAt: now,
+        updatedAt: now,
+      },
+    }),
+    prisma.account.create({
+      data: {
+        id: crypto.randomUUID(),
+        accountId: userId,
+        providerId: "credential",
+        userId,
+        password: hashedPassword,
+        createdAt: now,
+        updatedAt: now,
+      },
+    }),
+  ]);
+
+  console.log(`Admin user ${email} created successfully.`);
+}
+
+main()
+  .catch((e) => {
+    console.error(e);
+    process.exit(1);
+  })
+  .finally(() => prisma.$disconnect());

server/src/lib/auth.ts

@@ -9,5 +9,16 @@ export const auth = betterAuth({
   }),
   emailAndPassword: {
     enabled: true,
+    disableSignUp: true,
+  },
+  user: {
+    additionalFields: {
+      role: {
+        type: "string",
+        required: false,
+        defaultValue: "agent",
+        input: false,
+      },
+    },
   },
 });