Ship production optimization M1-M12.5A: queues, metrics, HTTP observability, and vector search reliability.

Keep similar-ai from tripping the global circuit on a lone URL 502, clamp Qdrant search to 100, and add Server-Timing plus slow-request logging. Studio shared props, Academy S3 exists caching, heat chunking, and Redis/scheduler hygiene stay in this rollout.

app/Services/Profile/CreatorJourneyService.php

@@ -204,7 +204,7 @@ final class CreatorJourneyService
                 [
                     'title' => 'Biggest download spike',
                     'headline' => (string) $bestSpike['artwork']->title,
-                    'summary' => 'Captured the strongest one-hour download burst recorded for a public artwork.',
+                    'summary' => 'Captured the strongest one-hour download burst in the retained hourly snapshot window.',
                     'value' => (int) $bestSpike['downloads_in_hour'] . ' downloads in 1 hour',
                     'artwork' => $this->artworkSnapshot($bestSpike['artwork']),
                     'metrics' => [
@@ -425,8 +425,12 @@ final class CreatorJourneyService
         $publicArtworkIds = $artworks->pluck('id')->map(fn ($id): int => (int) $id)->all();
 
         if ($publicArtworkIds !== [] && DB::getSchemaBuilder()->hasTable('artwork_metric_snapshots_hourly')) {
+            $lookbackDays = max(1, (int) config('metrics.hourly_snapshot_retention_days', 30));
+            $since = now()->subDays($lookbackDays);
+
             $snapshots = DB::table('artwork_metric_snapshots_hourly as ms')
                 ->whereIn('ms.artwork_id', $publicArtworkIds)
+                ->where('ms.bucket_hour', '>=', $since)
                 ->orderBy('ms.artwork_id')
                 ->orderBy('ms.bucket_hour')
                 ->get([