Massive refactor. Merge forward_auth into App, remove references to unimplemented OIDC federation and SAML features. Add group and user custom claims. Groups now allocate which apps a user can use

db/migrate/20251104015104_remove_forward_auth_tables.rb

@@ -0,0 +1,9 @@
+class RemoveForwardAuthTables < ActiveRecord::Migration[8.1]
+  def change
+    # Remove join table first (due to foreign keys)
+    drop_table :forward_auth_rule_groups if table_exists?(:forward_auth_rule_groups)
+
+    # Remove forward_auth_rules table
+    drop_table :forward_auth_rules if table_exists?(:forward_auth_rules)
+  end
+end