Fix scheduling errors

backend/app/Jobs/PublishNextArticleJob.php

@@ -31,10 +31,10 @@ public function __construct()
     public function handle(): void
     {
         // Get the oldest approved article that hasn't been published yet
-        $article = Article::where('is_approved', true)
-            ->where('is_valid', true)
+        $article = Article::where('approval_status', 'approved')
+            ->whereNotNull('validated_at')
             ->whereDoesntHave('articlePublication')
-            ->oldest('approved_at')
+            ->oldest('validated_at')
             ->first();
 
         if (! $article) {
@@ -45,7 +45,7 @@ public function handle(): void
             'article_id' => $article->id,
             'title' => $article->title,
             'url' => $article->url,
-            'approved_at' => $article->approved_at
+            'validated_at' => $article->validated_at
         ]);
 
         // Fetch article data

backend/app/Listeners/ValidateArticleListener.php

@@ -3,7 +3,7 @@
 namespace App\Listeners;
 
 use App\Events\NewArticleFetched;
-use App\Events\ArticleReadyToPublish;
+use App\Events\ArticleApproved;
 use App\Models\Setting;
 use App\Services\Article\ValidationService;
 use Illuminate\Contracts\Queue\ShouldQueue;
@@ -37,12 +37,12 @@ public function handle(NewArticleFetched $event): void
             if (Setting::isPublishingApprovalsEnabled()) {
                 // If approvals are enabled, only proceed if article is approved
                 if ($article->isApproved()) {
-                    event(new ArticleReadyToPublish($article));
+                    event(new ArticleApproved($article));
                 }
                 // If not approved, article will wait for manual approval
             } else {
                 // If approvals are disabled, proceed with publishing
-                event(new ArticleReadyToPublish($article));
+                event(new ArticleApproved($article));
             }
         }
     }