refactor: move mcp auth record ownership

src/wf_mcp/source_registry.py

@@ -1,8 +1,7 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Annotated, Literal, Protocol
-
 from pathlib import Path
+from typing import TYPE_CHECKING, Annotated, Literal, Protocol
 
 from pydantic import (
     AnyHttpUrl,
@@ -14,9 +13,11 @@ from pydantic import (
 from wf_api.source_registry import (
     AtomicJsonRegistryStore,
     SourceRegistryBaseModel,
-    SourceRegistryStore as GenericSourceRegistryStore,
     validate_unique_source_ids,
 )
+from wf_api.source_registry import (
+    SourceRegistryStore as GenericSourceRegistryStore,
+)
 
 from .connections import parse_connection_id
 from .shared.names import RESERVED_CONNECTION_IDS