リンクのミス修正

backend/lib/tasks/link_nico.rake

@@ -0,0 +1,12 @@
+namespace :nico do
+  desc 'ニコタグ連携'
+  task link: :environment do
+    Post.find_each do |post|
+      tags = post.tags.where(category: 'nico')
+      tags.each do |tag|
+        post.tags.concat(tag.linked_tags) if tag.linked_tags.present?
+      end
+      post.tags = post.tags.to_a.uniq
+    end
+  end
+end

frontend/src/components/TopNav.tsx

@@ -33,7 +33,7 @@ export default ({ user }: Props) => {
 	  { name: 'タグ一覧', to: '/tags', visible: false },
 	  { name: '別名タグ', to: '/tags/aliases', visible: false },
 	  { name: '上位タグ', to: '/tags/implications', visible: false },
-	  { name: 'ニコニコ連携', to: '/tags/posts' },
+	  { name: 'ニコニコ連携', to: '/tags/nico' },
 	  { name: 'タグのつけ方', to: '/wiki/ヘルプ:タグのつけ方' },
 	  { name: 'ヘルプ', to: '/wiki/ヘルプ:タグ' }] },
       { name: 'Wiki', to: '/wiki/ヘルプ:ホーム', base: '/wiki', subMenu: [