feat: upload file and store embedding

api/services/filesystem/s3.py

@@ -126,3 +126,16 @@ class S3FileSystem(BaseFileSystem):
             return url
         except ClientError:
             return None
+
+    async def adownload_file(self, source_path: str, local_path: str) -> bool:
+        """Download a file from S3 to local path."""
+        try:
+            async with self.session.client(
+                "s3", region_name=self.region_name
+            ) as s3_client:
+                await s3_client.download_file(
+                    self.bucket_name, source_path, local_path
+                )
+            return True
+        except ClientError:
+            return False