Restructure omni services and add Chatwoot research snapshot

research/chatwoot/db/migrate/20250825070005_create_account_saml_settings.rb

@@ -0,0 +1,14 @@
+class CreateAccountSamlSettings < ActiveRecord::Migration[7.1]
+  def change
+    create_table :account_saml_settings do |t|
+      t.references :account, null: false
+      t.string :sso_url
+      t.text :certificate
+      t.string :sp_entity_id
+      t.string :idp_entity_id
+      t.json :role_mappings, default: {}
+
+      t.timestamps
+    end
+  end
+end