feat: Nova homepage, profile redesign, and legacy view system overhaul

Homepage
- Add HomepageService with hero, trending (award-weighted), fresh uploads,
  popular tags, creator spotlight (weekly uploads ranking), and news sections
- Add React components: HomePage, HomeHero, HomeTrending, HomeFresh,
  HomeTags, HomeCreators, HomeNews (lazy-loaded below the fold)
- Wire home.blade.php with JSON props, SEO meta, JSON-LD, and hero preload
- Add HomePage.jsx to vite.config.js inputs

Profile page
- Hero banner with random user artwork as background + dark gradient overlay
- Favourites section uses real Artwork models + <x-artwork-card> for CDN URLs
- Newest artworks grid: gallery-grid → grid grid-cols-2 gap-4

Edit Profile page (user.blade.php)
- Add hero banner (featured wallpaper/photography via artwork_features,
  content_type_id IN [2,3]) sourced in UserController
- Remove bg-deep from outer wrapper; card backgrounds: bg-panel → bg-nova-800
- Remove stray AI-generated tag fragment from template

Author profile links
- Fix all /@username routes in: HomepageService, MonthlyCommentatorsController,
  LatestCommentsController, MyBuddiesController and corresponding blade views

Legacy view namespace
- Register View::addNamespace('legacy', resource_path('views/_legacy'))
  in AppServiceProvider::boot()
- Convert all view('legacy.x') and @include('legacy.x') calls to legacy::x
- Migrate legacy views to resources/views/_legacy/ with namespace support

app/Http/Controllers/User/ProfileController.php

@@ -383,7 +383,7 @@ class ProfileController extends Controller
         // ── Favourites ───────────────────────────────────────────────────────
         $favourites = collect();
         if (Schema::hasTable('user_favorites')) {
-            $favourites = DB::table('user_favorites as uf')
+            $favIds = DB::table('user_favorites as uf')
                 ->join('artworks as a', 'a.id', '=', 'uf.artwork_id')
                 ->where('uf.user_id', $user->id)
                 ->whereNull('a.deleted_at')
@@ -391,20 +391,18 @@ class ProfileController extends Controller
                 ->where('a.is_approved', true)
                 ->orderByDesc('uf.created_at')
                 ->limit(12)
-                ->select(['a.id', 'a.title as name', 'a.hash', 'a.thumb_ext', 'a.width', 'a.height', 'a.user_id'])
-                ->get()
-                ->map(function ($row) {
-                    $thumbUrl = ($row->hash && $row->thumb_ext)
-                        ? ThumbnailService::fromHash($row->hash, $row->thumb_ext, 'sm')
-                        : '/images/placeholder.jpg';
-                    return (object) [
-                        'id'    => $row->id,
-                        'name'  => $row->name,
-                        'thumb' => $thumbUrl,
-                        'width' => $row->width,
-                        'height'=> $row->height,
-                    ];
-                });
+                ->pluck('a.id');
+
+            if ($favIds->isNotEmpty()) {
+                $indexed = Artwork::with('user:id,name,username')
+                    ->whereIn('id', $favIds)
+                    ->get()
+                    ->keyBy('id');
+                // Preserve the ordering from the favourites table
+                $favourites = $favIds
+                    ->filter(fn ($id) => $indexed->has($id))
+                    ->map(fn ($id) => $indexed[$id]);
+            }
         }
 
         // ── Statistics ───────────────────────────────────────────────────────
@@ -499,6 +497,16 @@ class ProfileController extends Controller
             $countryName = $countryName ?? strtoupper((string) $profile->country_code);
         }
 
+        // ── Hero background artwork ─────────────────────────────────────────
+        $heroBgUrl = Artwork::public()
+            ->published()
+            ->where('user_id', $user->id)
+            ->whereNotNull('hash')
+            ->whereNotNull('thumb_ext')
+            ->inRandomOrder()
+            ->limit(1)
+            ->first()?->thumbUrl('lg');
+
         // ── Increment profile views (async-safe, ignore errors) ──────────────
         if (! $isOwner) {
             try {
@@ -510,7 +518,7 @@ class ProfileController extends Controller
             } catch (\Throwable) {}
         }
 
-        return response()->view('legacy.profile', [
+        return response()->view('legacy::profile', [
             'user'              => $user,
             'profile'           => $profile,
             'artworks'          => $artworks,
@@ -521,6 +529,7 @@ class ProfileController extends Controller
             'followerCount'     => $followerCount,
             'recentFollowers'   => $recentFollowers,
             'viewerIsFollowing' => $viewerIsFollowing,
+            'heroBgUrl'         => $heroBgUrl,
             'profileComments'   => $profileComments,
             'countryName'       => $countryName,
             'isOwner'           => $isOwner,