AI: address issue #283

backend/db/migrate/20261112000000_add_foreign_key_on_deerjikists_tag_id.rb

@@ -0,0 +1,5 @@
+class AddForeignKeyOnDeerjikistsTagId < ActiveRecord::Migration[8.0]
+  def change
+    add_foreign_key :deerjikists, :tags, column: :tag_id
+  end
+end

frontend/src/components/PostEmbed.tsx

@@ -177,39 +177,6 @@ const PostEmbed: FC<Props> = (
 	      onError={onError}/>)
     }
 
-  case 'pixiv.net':
-    {
-      if (url.hostname !== 'pixiv.net' && url.hostname !== 'www.pixiv.net')
-	break
-
-      const artworkId =
-	  url.pathname === '/member_illust.php'
-	  ? url.searchParams.get ('illust_id')
-	  : url.pathname.match (
-	      /^\/(?:[a-z]{2}(?:-[A-Za-z]{2})?\/)?artworks\/(\d+)\/?$/)?.[1]
-
-      if (!(artworkId) || !(/^\d+$/.test (artworkId)))
-	break
-
-      if (embedAutoLoadMode === 'off')
-	return externalLink
-      if (shouldLoadEmbed === false)
-	return manualLoadControl
-
-      const embedUrl =
-	  `https://embed.pixiv.net/oembed_iframe.php?type=illust&id=${ artworkId }`
-
-      return (
-	  <iframe
-	      src={embedUrl}
-	      title={post.title || post.url}
-	      width={600}
-	      height={315}
-	      style={{ border: 0 }}
-	      loading="lazy"
-	      className="max-w-full"/>)
-    }
-
   case 'twitter.com':
   case 'x.com':
     {