feat: move saml methods to enterprise

app/models/user.rb

@@ -152,17 +152,18 @@ class User < ApplicationRecord
     mutations_from_database.changed?('email')
   end
 
-  # SAML authentication methods
+  # SAML methods - fallback implementations for Community Edition
+  # These will be overridden in Enterprise Edition via include_mod_with
   def saml_user?
-    provider == 'saml'
+    false
   end
 
   def convert_to_saml!
-    update!(provider: 'saml')
+    # No-op in Community Edition
   end
 
   def password_authentication_allowed?
-    !saml_user?
+    true
   end
 
   def self.from_email(email)

enterprise/app/models/enterprise/concerns/user.rb

@@ -13,4 +13,17 @@ module Enterprise::Concerns::User
 
     errors.add(:base, 'User limit reached. Please purchase more licenses from super admin') if User.count >= ChatwootHub.pricing_plan_quantity
   end
+
+  # SAML authentication methods (Enterprise only)
+  def saml_user?
+    provider == 'saml'
+  end
+
+  def convert_to_saml!
+    update!(provider: 'saml')
+  end
+
+  def password_authentication_allowed?
+    !saml_user?
+  end
 end