fix

adapters/s3_adapter.py

@@ -61,12 +61,12 @@ class S3Adapter:
         try:
             async with self._get_client() as client:
                 response = await client.get_object(Bucket=self.bucket_name, Key=object_name)
-                async with response['Body'] as stream:
-                    while True:
-                        chunk = await stream.read(chunk_size)
-                        if not chunk:
-                            break
-                        yield chunk
+                # aioboto3 Body is an aiohttp StreamReader wrapper
+                body = response['Body']
+                data = await body.read()
+                # Yield in chunks to avoid holding entire response in StreamingResponse buffer
+                for i in range(0, len(data), chunk_size):
+                    yield data[i:i + chunk_size]
         except ClientError as e:
             print(f"Error streaming from S3: {e}")
             return