feat(cms): sync site assets, revalidate webhook, and document download naming

app/Models/Article.php

@@ -6,6 +6,7 @@ use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Support\Facades\Storage;
 use Illuminate\Support\Str;
 
 class Article extends Model
@@ -47,6 +48,7 @@ class Article extends Model
         'status',
         'access_level',
         'featured_image_path',
+        'featured_image_storage_path',
         'featured_image_alt',
         'author_name',
         'author_user_id',
@@ -447,7 +449,12 @@ class Article extends Model
             return null;
         }
 
-        // Return relative path for Next.js frontend (images served from public/)
+        // Admin-uploaded images stored in Laravel storage
+        if (str_starts_with($this->featured_image_path, 'articles/')) {
+            return Storage::disk('public')->url($this->featured_image_path);
+        }
+
+        // Migrated images — relative path (served from Next.js public/)
         return '/'.$this->featured_image_path;
     }
 }