if there's only one item search result, redirect to it

app/controllers/items_controller.rb

@@ -18,8 +18,12 @@ class ItemsController < ApplicationController
         assign_closeted!
         respond_to do |format|
           format.html {
+            if @items.size == 1
+              redirect_to @items.first
+            else
               @items.prepare_partial(:item_link_partial)
               render
+            end
           }
           format.json {
             @items.prepare_method(:as_json)

app/models/item/proxy.rb

@@ -7,6 +7,10 @@ class Item
 
     delegate :description, :name, :nc?, :thumbnail_url, :to_param, to: :item
 
+    def self.model_name
+      Item.model_name
+    end
+
     def initialize(id)
       @id = id
       @known_outputs = {method: {}, partial: {}}