feat: artwork page carousels, recommendations, avatars & fixes

- Infinite loop carousels for Similar Artworks & Trending rails
- Mouse wheel horizontal scrolling on both carousels
- Author avatar shown on hover in RailCard (similar + trending)
- Removed "View" badge from RailCard hover overlay
- Added `id` to Meilisearch filterable attributes
- Auto-prepend Scout prefix in meilisearch:configure-index command
- Added author name + avatar to Similar Artworks API response
- Added avatar_url to ArtworkListResource author object
- Added direct /art/{id}/{slug} URL to ArtworkListResource
- Fixed race condition: Similar Artworks no longer briefly shows trending items
- Fixed user_profiles eager load (user_id primary key, not id)
- Bumped /api/art/{id}/similar rate limit to 300/min
- Removed decorative heart icons from tag pills
- Moved ReactionBar under artwork description

resources/js/components/gallery/ArtworkCard.jsx

@@ -27,7 +27,7 @@ export default function ArtworkCard({ art, loading = 'lazy', fetchpriority = nul
   const authorUrl = username ? `/@${username.toLowerCase()}` : null;
   // Use pre-computed CDN URL from the server; JS fallback mirrors AvatarUrl::default()
   const cdnBase = 'https://files.skinbase.org';
-  const avatarSrc = art.avatar_url || `${cdnBase}/avatars/default.webp`;
+  const avatarSrc = art.avatar_url || `${cdnBase}/default/avatar_default.webp`;
 
   const hasDimensions = Number(art.width) > 0 && Number(art.height) > 0;
   const aspectRatio   = hasDimensions ? Number(art.width) / Number(art.height) : null;