refactor, date context

workflows/parent_workflow.py

@@ -0,0 +1,14 @@
+from temporalio import workflow
+from .tool_workflow import ToolWorkflow, CombinedInput, ToolWorkflowParams
+
+
+@workflow.defn
+class ParentWorkflow:
+    @workflow.run
+    async def run(self, some_input: dict) -> dict:
+        combined_input = CombinedInput(
+            tool_params=ToolWorkflowParams(None, None), tools_data=some_input
+        )
+        child = workflow.start_child_workflow(ToolWorkflow.run, combined_input)
+        result = await child
+        return result