feat(blog): refactor author data retrieval to handle potential missing authors

src/Blog/Entity/Blog.php

@@ -110,15 +110,29 @@ class Blog
             'image_url'  => $this->imageUrl,
             'tags'       => $this->tags,
             'status'     => $this->status,
-            'author'     => [
-                'uuid'   => $this->author->getUuid(),
-                'name'   => $this->author->getRealName(),
-            ],
+            'author'     => $this->authorToArray(),
             'created_at' => $this->createdAt,
             'updated_at' => $this->updatedAt,
         ];
     }
 
+    private function authorToArray(): ?array
+    {
+        if ($this->author === null) {
+            return null;
+        }
+        // The referenced user may have been deleted; a lazy proxy then throws
+        // EntityNotFoundException on access. Treat a missing author as null.
+        try {
+            return [
+                'uuid' => $this->author->getUuid(),
+                'name' => $this->author->getRealName(),
+            ];
+        } catch (\Doctrine\ORM\EntityNotFoundException) {
+            return null;
+        }
+    }
+
     public function toListArray(): array
     {
         return [