Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/controllers/api/v1/accounts/captain/preferences_controller.rb

@@ -0,0 +1,76 @@
+class Api::V1::Accounts::Captain::PreferencesController < Api::V1::Accounts::BaseController
+  before_action :current_account
+  before_action :authorize_account_update, only: [:update]
+
+  def show
+    render json: preferences_payload
+  end
+
+  def update
+    params_to_update = captain_params
+    @current_account.captain_models = params_to_update[:captain_models] if params_to_update[:captain_models]
+    @current_account.captain_features = params_to_update[:captain_features] if params_to_update[:captain_features]
+    @current_account.save!
+
+    render json: preferences_payload
+  end
+
+  private
+
+  def preferences_payload
+    {
+      providers: Llm::Models.providers,
+      models: Llm::Models.models,
+      features: features_with_account_preferences
+    }
+  end
+
+  def authorize_account_update
+    authorize @current_account, :update?
+  end
+
+  def captain_params
+    permitted = {}
+    permitted[:captain_models] = merged_captain_models if params[:captain_models].present?
+    permitted[:captain_features] = merged_captain_features if params[:captain_features].present?
+    permitted
+  end
+
+  def merged_captain_models
+    existing_models = @current_account.captain_models || {}
+    existing_models.merge(permitted_captain_models)
+  end
+
+  def merged_captain_features
+    existing_features = @current_account.captain_features || {}
+    existing_features.merge(permitted_captain_features)
+  end
+
+  def permitted_captain_models
+    params.require(:captain_models).permit(
+      :editor, :assistant, :copilot, :label_suggestion,
+      :audio_transcription, :help_center_search
+    ).to_h.stringify_keys
+  end
+
+  def permitted_captain_features
+    params.require(:captain_features).permit(
+      :editor, :assistant, :copilot, :label_suggestion,
+      :audio_transcription, :help_center_search
+    ).to_h.stringify_keys
+  end
+
+  def features_with_account_preferences
+    preferences = Current.account.captain_preferences
+    account_features = preferences[:features] || {}
+    account_models = preferences[:models] || {}
+
+    Llm::Models.feature_keys.index_with do |feature_key|
+      config = Llm::Models.feature_config(feature_key)
+      config.merge(
+        enabled: account_features[feature_key] == true,
+        selected: account_models[feature_key] || config[:default]
+      )
+    end
+  end
+end