Policy generator error for Auth() with multiple level member access

[jiashengguo]

Access Policy: Unsupported expression type: InvocationExpr

model User {
  id Int @id @default(autoincrement())
  cart Cart?
  @@allow('read', auth().cart.tasks?[id == id])
}

model Cart {
  id Int @id @default(autoincrement())
  tasks Task[]
  user User @relation(fields: [userId], references: [id])
  userId Int @unique
}

model Task {
  id Int @id @default(autoincrement())
  cart Cart @relation(fields: [cartId], references: [id])
  cartId Int
}