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

app/Http/Controllers/Api/SimilarArtworksController.php

@@ -88,7 +88,7 @@ final class SimilarArtworksController extends Controller
             ->paginate(200, 'page', 1);
 
         $collection = $results->getCollection();
-        $collection->load(['tags:id,slug', 'stats']);
+        $collection->load(['tags:id,slug', 'stats', 'user:id,name', 'user.profile:user_id,avatar_hash']);
 
         // ── PHP reranking ──────────────────────────────────────────────────────
         // Weights: tag_overlap ×0.60, orientation_bonus +0.10, resolution_bonus
@@ -146,6 +146,8 @@ final class SimilarArtworksController extends Controller
                 'slug'        => $item['artwork']->slug,
                 'thumb'       => $item['artwork']->thumbUrl('md'),
                 'url'         => '/art/' . $item['artwork']->id . '/' . $item['artwork']->slug,
+                'author'      => $item['artwork']->user?->name ?? 'Artist',
+                'author_avatar' => $item['artwork']->user?->profile?->avatar_url,
                 'author_id'   => $item['artwork']->user_id,
                 'orientation' => $this->orientation($item['artwork']),
                 'width'       => $item['artwork']->width,