feat: Inertia profile settings page, Studio edit redesign, EGS, Nova UI components\n\n- Redesign /dashboard/profile as Inertia React page (Settings/ProfileEdit)\n with SettingsLayout sidebar, Nova UI components (TextInput, Textarea,\n Toggle, Select, RadioGroup, Modal, Button), avatar drag-and-drop,\n password change, and account deletion sections\n- Redesign Studio artwork edit page with two-column layout, Nova components,\n integrated TagPicker, and version history modal\n- Add shared MarkdownEditor component\n- Add Early-Stage Growth System (EGS): SpotlightEngine, FeedBlender,\n GridFiller, AdaptiveTimeWindow, ActivityLayer, admin panel\n- Fix upload category/tag persistence (V1+V2 paths)\n- Fix tag source enum, category tree display, binding resolution\n- Add settings.jsx Vite entry, settings.blade.php wrapper\n- Update ProfileController with JSON response support for API calls\n- Various route fixes (profile.edit, toolbar settings link)"

app/Services/HomepageService.php

@@ -7,6 +7,8 @@ namespace App\Services;
 use App\Models\Artwork;
 use App\Models\Tag;
 use App\Services\ArtworkSearchService;
+use App\Services\EarlyGrowth\EarlyGrowth;
+use App\Services\EarlyGrowth\GridFiller;
 use App\Services\Recommendation\RecommendationService;
 use App\Services\UserPreferenceService;
 use App\Support\AvatarUrl;
@@ -30,7 +32,8 @@ final class HomepageService
         private readonly ArtworkService          $artworks,
         private readonly ArtworkSearchService    $search,
         private readonly UserPreferenceService   $prefs,
-        private readonly RecommendationService    $reco,
+        private readonly RecommendationService   $reco,
+        private readonly GridFiller              $gridFiller,
     ) {}
 
     // ─────────────────────────────────────────────────────────────────────────
@@ -255,11 +258,16 @@ final class HomepageService
     }
 
     /**
-     * Fresh uploads: latest 12 approved public artworks.
+     * Fresh uploads: latest 10 approved public artworks.
+     * EGS: GridFiller ensures the section is never empty even on low-traffic days.
      */
     public function getFreshUploads(int $limit = 10): array
     {
-        return Cache::remember("homepage.fresh.{$limit}", self::CACHE_TTL, function () use ($limit): array {
+        // Include EGS mode in cache key so toggling EGS updates the section within TTL
+        $egsKey   = EarlyGrowth::gridFillerEnabled() ? 'egs-' . EarlyGrowth::mode() : 'std';
+        $cacheKey = "homepage.fresh.{$limit}.{$egsKey}";
+
+        return Cache::remember($cacheKey, self::CACHE_TTL, function () use ($limit): array {
             $artworks = Artwork::public()
                 ->published()
                 ->with(['user:id,name,username', 'user.profile:user_id,avatar_hash'])
@@ -267,6 +275,9 @@ final class HomepageService
                 ->limit($limit)
                 ->get();
 
+            // EGS: fill up to $limit when fresh uploads are sparse
+            $artworks = $this->gridFiller->fillCollection($artworks, $limit);
+
             return $artworks->map(fn ($a) => $this->serializeArtwork($a))->values()->all();
         });
     }