Sort image list alphabetically

fet2020/gallery/utils.py

@@ -48,7 +48,9 @@ def get_image_list(folder_name: str) -> list:
         }
         img_list.append(img_dict)
 
-    return img_list
+    # Sort images alphabetically by filename (case-insensitive) to ensure consistent ordering.
+    # Directory listings may return files in different orders.
+    return sorted(img_list, key=lambda x: x["title"].lower())
 
 
 def get_folder_list():