refactor: move mcp auth record ownership

src/wf_core/runtime/ops/state.py

@@ -2,7 +2,8 @@ from __future__ import annotations
 
 from collections.abc import Mapping, Sequence
 from copy import deepcopy
-from dataclasses import dataclass, field as dataclass_field
+from dataclasses import dataclass
+from dataclasses import field as dataclass_field
 from typing import Any
 
 from wf_core.conditions import safe_resolve_path