refactor storage minio for k8s

core/storage/__init__.py

@@ -1,6 +1,5 @@
+from .blob import BUCKET, PREFIX_CHECKPOINTS, PREFIX_IN, PREFIX_OUT, BlobObject, BlobStore, get_store
 from .s3 import (
-    BUCKET_IN,
-    BUCKET_OUT,
     download_file,
     download_to_temp,
     get_presigned_url,
@@ -8,3 +7,8 @@ from .s3 import (
     list_objects,
     upload_file,
 )
+
+# Backward compat — old code uses BUCKET_IN / BUCKET_OUT as full bucket names.
+# Now they're one bucket; these exist so existing handlers don't break.
+BUCKET_IN = BUCKET
+BUCKET_OUT = BUCKET