feat: prepare ARR for controlled public deployment

arr_storage/__init__.py

@@ -0,0 +1,35 @@
+"""Private immutable object exchange for ARR processing jobs."""
+
+from arr_storage.contracts import ObjectAddress, ObjectKeyPolicy, StoredObject
+from arr_storage.filesystem import FilesystemObjectBackend
+from arr_storage.grants import InMemoryReadGrantBroker, OpaqueReadGrant
+from arr_storage.postgres_grants import (
+    PostgresReadGrantBroker,
+    ReadGrantDatabaseConfig,
+)
+from arr_storage.aliyun_oss_v2 import AliyunOssConfig, AliyunOssV2Client
+from arr_storage.exchange import (
+    OutputExchangeConfig,
+    OutputExchangePublisher,
+)
+from arr_storage.remote import CloudClientError, CloudClientPort, CloudObjectBackend
+from arr_storage.store import ManagedObjectStore
+
+__all__ = [
+    "CloudClientError",
+    "CloudClientPort",
+    "CloudObjectBackend",
+    "AliyunOssConfig",
+    "AliyunOssV2Client",
+    "FilesystemObjectBackend",
+    "InMemoryReadGrantBroker",
+    "ManagedObjectStore",
+    "ObjectAddress",
+    "ObjectKeyPolicy",
+    "OpaqueReadGrant",
+    "PostgresReadGrantBroker",
+    "ReadGrantDatabaseConfig",
+    "OutputExchangeConfig",
+    "OutputExchangePublisher",
+    "StoredObject",
+]