fix: refactor user creation to store user in a variable before trade creation

src/app/api/auth/register/route.ts

@@ -36,9 +36,20 @@ export async function POST(req: NextRequest) {
 
   const passwordHash = await bcrypt.hash(password, 12)
 
-  await prisma.user.create({
+  const user = await prisma.user.create({
     data: { username, displayUsername, passwordHash },
   })
 
+  await prisma.trade.create({
+    data: {
+      userId: user.id,
+      type: 'ACCOUNT_OPEN',
+      shares: 0,
+      price: 0,
+      total: 2000,
+      profit: 2000,
+    },
+  })
+
   return NextResponse.json({ ok: true }, { status: 201 })
 }