fix: image processing

services/data_service.py

@@ -704,7 +704,7 @@ class ProductDataService(BaseDataService):
                 try:
                     logger.info(f"Processing image: {image[:40]}... for product {product_id}")
                     logger.info(f"updates: {updates}, params: {params}")
-                    extension = re.search(r'data:image/(.*%s);base64,', image)
+                    extension = re.search(r'data:image/(.*?);base64,', image[:40])
                     if not extension:
                         raise ValueError("Invalid image format")
                     extension = extension.group(1)