add MCP support

app/controllers/mcp_settings_controller.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+class McpSettingsController < ApplicationController
+  load_and_authorize_resource :mcp_token, parent: false
+
+  before_action do
+    authorize!(:manage, :mcp)
+  end
+
+  def index
+    @mcp_tokens = @mcp_tokens.active.order(id: :desc)
+  end
+
+  def create
+    @mcp_token = current_user.mcp_tokens.new(mcp_token_params)
+
+    if @mcp_token.save
+      flash[:mcp_token] = @mcp_token.token
+
+      redirect_back fallback_location: settings_mcp_index_path, notice: I18n.t('mcp_token_has_been_created')
+    else
+      render turbo_stream: turbo_stream.replace(:modal, template: 'mcp_settings/new'), status: :unprocessable_content
+    end
+  end
+
+  def destroy
+    @mcp_token.update!(archived_at: Time.current)
+
+    redirect_back fallback_location: settings_mcp_index_path, notice: I18n.t('mcp_token_has_been_removed')
+  end
+
+  private
+
+  def mcp_token_params
+    params.require(:mcp_token).permit(:name)
+  end
+end