Narrow Files backend import surfaces

src/govoplan_files/backend/db/__init__.py

@@ -1 +1,25 @@
-from govoplan_files.backend.db.models import *
+from govoplan_files.backend.db.models import (
+    CampaignAttachmentUse,
+    FileAsset,
+    FileBlob,
+    FileConnectorCredential,
+    FileConnectorPolicy,
+    FileConnectorProfile,
+    FileConnectorSpace,
+    FileFolder,
+    FileShare,
+    FileVersion,
+)
+
+__all__ = [
+    "CampaignAttachmentUse",
+    "FileAsset",
+    "FileBlob",
+    "FileConnectorCredential",
+    "FileConnectorPolicy",
+    "FileConnectorProfile",
+    "FileConnectorSpace",
+    "FileFolder",
+    "FileShare",
+    "FileVersion",
+]

src/govoplan_files/backend/storage/connector_browse.py

@@ -9,7 +9,7 @@ from importlib import import_module
 import mimetypes
 from typing import Any
 from urllib.parse import quote, unquote, urljoin, urlsplit
-import xml.etree.ElementTree as ET
+import xml.etree.ElementTree as ET  # nosec B405 - typing/element creation only; parsing uses defusedxml below.
 
 from defusedxml import ElementTree as SafeElementTree
 import httpx

src/govoplan_files/backend/storage/services.py

@@ -15,21 +15,6 @@ from govoplan_files.backend.storage.common import (
     utcnow,
 )
 from govoplan_files.backend.storage.files import (
-    _active_asset_at_path,
-    _active_asset_exists,
-    _asset_owner_id,
-    _asset_query_for_owner,
-    _candidate_renamed_path,
-    _copy_asset_to_path,
-    _get_or_create_blob,
-    _next_available_logical_path,
-    _normalize_conflict_strategy,
-    _resolution_by_path,
-    _soft_delete_conflicting_asset,
-    _split_logical_path,
-    _storage_backend_name,
-    _storage_bucket_name,
-    _storage_key,
     asset_is_audit_relevant,
     create_file_asset,
     current_version_and_blob,
@@ -42,10 +27,6 @@ from govoplan_files.backend.storage.files import (
     soft_delete_assets,
 )
 from govoplan_files.backend.storage.folders import (
-    _active_folder_exists,
-    _ensure_target_folder_hierarchy,
-    _folder_query_for_owner,
-    _owner_filter,
     create_folder,
     list_folders_for_user,
     soft_delete_folder,