User role access.

prisma/schema.prisma

@@ -59,7 +59,7 @@ model User {
   email         String?   @unique
   emailVerified DateTime? @map("email_verified")
   image         String?
-  role          String?
+  role          Role
   password      String?
   authMethod    String?   @map("auth_method")
   createdAt     DateTime  @default(now()) @map("created_at")
@@ -71,6 +71,12 @@ model User {
   @@map("users")
 }
 
+enum Role {
+  pending
+  user
+  admin
+}
+
 model Agent {
   id          String    @id @default(cuid())
   slug        String    @unique