feat(blog): add admin endpoint to list all blog posts with status filtering

src/Blog/Repository/BlogRepository.php

@@ -40,6 +40,40 @@ class BlogRepository extends ServiceEntityRepository
             ->getQuery()->getSingleScalarResult();
     }
 
+    /**
+     * Admin list — ALL statuses (draft/published/archived), newest first, with
+     * optional status + title search. The public list only returns published, so
+     * the admin panel must use this to see drafts.
+     * @return Blog[]
+     */
+    public function findForAdmin(int $page, int $limit, ?string $status = null, ?string $search = null): array
+    {
+        $qb = $this->adminQb($status, $search)
+            ->leftJoin('b.city', 'c')->addSelect('c')
+            ->orderBy('b.createdAt', 'DESC')
+            ->setFirstResult(($page - 1) * $limit)
+            ->setMaxResults($limit);
+        return $qb->getQuery()->getResult();
+    }
+
+    public function countForAdmin(?string $status = null, ?string $search = null): int
+    {
+        return (int) $this->adminQb($status, $search)
+            ->select('COUNT(b.id)')->getQuery()->getSingleScalarResult();
+    }
+
+    private function adminQb(?string $status, ?string $search): \Doctrine\ORM\QueryBuilder
+    {
+        $qb = $this->createQueryBuilder('b');
+        if ($status !== null && $status !== '') {
+            $qb->andWhere('b.status = :status')->setParameter('status', $status);
+        }
+        if ($search !== null && $search !== '') {
+            $qb->andWhere('b.title LIKE :q')->setParameter('q', '%' . $search . '%');
+        }
+        return $qb;
+    }
+
     /**
      * A representative's own posts, newest first, optionally filtered by status.
      * @return Blog[]