minor fixes

tests/Feature/DiscoverRisingTest.php

@@ -1,5 +1,6 @@
 <?php
 
+use App\Models\Artwork;
 use App\Services\ArtworkService;
 use Illuminate\Pagination\LengthAwarePaginator;
 
@@ -40,3 +41,25 @@ it('home page still renders with rising section data', function () {
     $this->get('/')
         ->assertStatus(200);
 });
+
+it('uses the low-signal fallback ordering when rising search results have no momentum', function () {
+    $olderArtwork = Artwork::withoutEvents(fn () => Artwork::factory()->create([
+        'title' => 'Older Fallback Artwork',
+        'is_public' => true,
+        'is_approved' => true,
+        'published_at' => now()->subDays(4),
+        'created_at' => now()->subDays(4),
+    ]));
+
+    $newerArtwork = Artwork::withoutEvents(fn () => Artwork::factory()->create([
+        'title' => 'Newer Fallback Artwork',
+        'is_public' => true,
+        'is_approved' => true,
+        'published_at' => now()->subHour(),
+        'created_at' => now()->subHour(),
+    ]));
+
+    $this->get('/discover/rising')
+        ->assertStatus(200)
+        ->assertSeeInOrder(['Newer Fallback Artwork', 'Older Fallback Artwork'], false);
+});