feat: Implement asset soft deletion with S3 file purging, enhance type safety, and improve error handling in generation and adapter services.

adapters/google_adapter.py

@@ -23,10 +23,10 @@ class GoogleAdapter:
         self.TEXT_MODEL = "gemini-3-pro-preview"
         self.IMAGE_MODEL = "gemini-3-pro-image-preview"
 
-    def _prepare_contents(self, prompt: str, images_list: List[bytes] = None) -> tuple:
+    def _prepare_contents(self, prompt: str, images_list: List[bytes] | None = None) -> tuple:
         """Вспомогательный метод для подготовки контента (текст + картинки).
         Returns (contents, opened_images) — caller MUST close opened_images after use."""
-        contents = [prompt]
+        contents : list [Any]= [prompt]
         opened_images = []
         if images_list:
             logger.info(f"Preparing content with {len(images_list)} images")
@@ -41,7 +41,7 @@ class GoogleAdapter:
             logger.info("Preparing content with no images")
         return contents, opened_images
 
-    def generate_text(self, prompt: str, images_list: List[bytes] = None) -> str:
+    def generate_text(self, prompt: str, images_list: List[bytes] | None = None) -> str:
         """
         Генерация текста (Чат или Vision).
         Возвращает строку с ответом.
@@ -74,7 +74,7 @@ class GoogleAdapter:
             for img in opened_images:
                 img.close()
 
-    def generate_image(self, prompt: str, aspect_ratio: AspectRatios, quality: Quality, images_list: List[bytes] = None, ) -> Tuple[List[io.BytesIO], Dict[str, Any]]:
+    def generate_image(self, prompt: str, aspect_ratio: AspectRatios, quality: Quality, images_list: List[bytes] | None = None, ) -> Tuple[List[io.BytesIO], Dict[str, Any]]:
         """
         Генерация изображений (Text-to-Image или Image-to-Image).
         Возвращает список байтовых потоков (готовых к отправке).
@@ -130,7 +130,9 @@ class GoogleAdapter:
                         try:
                             # 1. Берем сырые байты
                             raw_data = part.inline_data.data
-                            byte_arr = io.BytesIO(raw_data)
+                            if raw_data is None:
+                                raise GoogleGenerationException("Generation returned no data")
+                            byte_arr : io.BytesIO = io.BytesIO(raw_data)
 
                             # 2. Нейминг (формально, для TG)
                             timestamp = datetime.now().timestamp()