feat: add response guidelines and guardrails field (#11911)

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

db/migrate/20250714104358_add_response_guidelines_and_guardrails_to_captain_assistants.rb

@@ -0,0 +1,6 @@
+class AddResponseGuidelinesAndGuardrailsToCaptainAssistants < ActiveRecord::Migration[7.1]
+  def change
+    add_column :captain_assistants, :response_guidelines, :jsonb, default: []
+    add_column :captain_assistants, :guardrails, :jsonb, default: []
+  end
+end