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

scripts/check_col_charset.php

@@ -0,0 +1,11 @@
+<?php
+require __DIR__ . '/../vendor/autoload.php';
+$app = require __DIR__ . '/../bootstrap/app.php';
+$app->make('Illuminate\Contracts\Console\Kernel')->bootstrap();
+
+$rows = \Illuminate\Support\Facades\DB::select("SHOW FULL COLUMNS FROM artwork_comments");
+foreach ($rows as $r) {
+    if (in_array($r->Field, ['content', 'raw_content', 'rendered_content'])) {
+        echo $r->Field . ' => type=' . $r->Type . '  collation=' . ($r->Collation ?? 'NULL') . PHP_EOL;
+    }
+}