refactor: move mcp auth record ownership

src/wf_core/__init__.py

@@ -1,7 +1,7 @@
 from .models import (
     ConditionNode,
-    EndNode,
     Edge,
+    EndNode,
     ForeachConcurrentPolicy,
     ForeachItemErrorPolicy,
     ForeachNode,
@@ -21,33 +21,33 @@ from .models import (
     WorkflowRef,
     workflow_ref_from,
 )
-from .runtime import (
-    AsyncNodeHandler,
-    NodeHandler,
-    PreparedSubgraph,
-    WorkflowExecutionError,
-    coerce_node_result,
-    execute_workflow_async,
-    execute_workflow_result_async,
-    execute_workflow,
-    resume_workflow_async,
-    resume_workflow_result_async,
-    resume_workflow,
-    step_workflow_async,
-    step_workflow,
-)
+from .run_codec import PersistedRunState, dump_run_state, load_run_state
 from .run_state import (
     ExecutionFrame,
     FrameStatus,
-    InterruptRoute,
     InterruptRequest,
+    InterruptRoute,
     RunState,
     RunStatus,
     RuntimeContext,
     StepExecutionResult,
     TraceEntry,
 )
-from .run_codec import PersistedRunState, dump_run_state, load_run_state
+from .runtime import (
+    AsyncNodeHandler,
+    NodeHandler,
+    PreparedSubgraph,
+    WorkflowExecutionError,
+    coerce_node_result,
+    execute_workflow,
+    execute_workflow_async,
+    execute_workflow_result_async,
+    resume_workflow,
+    resume_workflow_async,
+    resume_workflow_result_async,
+    step_workflow,
+    step_workflow_async,
+)
 from .tokens import END, START
 from .validation import (
     ValidationIssue,