Add root run wrapping call to RunnableEach() (#9864)

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libs/langchain/langchain/schema/runnable/base.py

@@ -1795,15 +1795,35 @@ class RunnableEach(Serializable, Runnable[List[Input], List[Output]]):
     def bind(self, **kwargs: Any) -> RunnableEach[Input, Output]:
         return RunnableEach(bound=self.bound.bind(**kwargs))
 
+    def _invoke(
+        self,
+        inputs: List[Input],
+        run_manager: CallbackManagerForChainRun,
+        config: RunnableConfig,
+    ) -> List[Output]:
+        return self.bound.batch(
+            inputs, patch_config(config, callbacks=run_manager.get_child())
+        )
+
     def invoke(
         self, input: List[Input], config: Optional[RunnableConfig] = None
     ) -> List[Output]:
-        return self.bound.batch(input, config)
+        return self._call_with_config(self._invoke, input, config)
+
+    async def _ainvoke(
+        self,
+        inputs: List[Input],
+        run_manager: AsyncCallbackManagerForChainRun,
+        config: RunnableConfig,
+    ) -> List[Output]:
+        return await self.bound.abatch(
+            inputs, patch_config(config, callbacks=run_manager.get_child())
+        )
 
     async def ainvoke(
         self, input: List[Input], config: Optional[RunnableConfig] = None, **kwargs: Any
     ) -> List[Output]:
-        return await self.bound.abatch(input, config, **kwargs)
+        return await self._acall_with_config(self._ainvoke, input, config)
 
 
 class RunnableBinding(Serializable, Runnable[Input, Output]):