"""S3 connector (ported from integration_scripts.connectors.s3).

Provides configured boto3 S3 client/resource and default TransferConfig.
"""
from __future__ import annotations

import boto3  # type: ignore
from boto3.s3.transfer import TransferConfig  # type: ignore

# In legacy implementations, region/credentials may be set via env or role.
# We rely on default boto3 configuration resolution here.
s3_client = boto3.client("s3")
s3_resource = boto3.resource("s3")

# Default transfer configuration similar to legacy usage
S3_CONFIG = TransferConfig()