chore(prebuilt): un-deprecate tool node for now (#6295)

libs/prebuilt/Makefile

@@ -19,7 +19,7 @@ test-fast:
 	LANGGRAPH_TEST_FAST=1 uv run pytest $(TEST)
 
 test:
-	make start-services && LANGGRAPH_TEST_FAST=0 uv run pytest $(TEST); \
+	make start-services && LANGGRAPH_TEST_FAST=0 uv run --active pytest $(TEST); \
 	EXIT_CODE=$$?; \
 	make stop-services; \
 	exit $$EXIT_CODE

libs/prebuilt/langgraph/prebuilt/tool_node.py

@@ -73,9 +73,7 @@ from langgraph.errors import GraphBubbleUp
 from langgraph.graph.message import REMOVE_ALL_MESSAGES
 from langgraph.store.base import BaseStore
 from langgraph.types import Command, Send
-from langgraph.warnings import LangGraphDeprecatedSinceV10
 from pydantic import BaseModel
-from typing_extensions import deprecated
 
 INVALID_TOOL_NAME_ERROR_TEMPLATE = (
     "Error: {requested_tool} is not a valid tool, try one of [{available_tools}]."
@@ -232,10 +230,6 @@ def _infer_handled_types(handler: Callable[..., str]) -> tuple[type[Exception],
     return (Exception,)
 
 
-@deprecated(
-    "ToolNode has been moved to `langchain.agents.tool_node`. Please update your import to `from langchain.agents.tool_node import ToolNode`.",
-    category=LangGraphDeprecatedSinceV10,
-)
 class ToolNode(RunnableCallable):
     """A node that runs the tools called in the last AIMessage.
 
@@ -818,10 +812,6 @@ def tools_condition(
     return "__end__"
 
 
-@deprecated(
-    "InjectedState has been moved to `langchain.agents.tool_node`. Please update your import to `from langchain.agents.tool_node import InjectedState`.",
-    category=LangGraphDeprecatedSinceV10,
-)
 class InjectedState(InjectedToolArg):
     """Annotation for injecting graph state into tool arguments.
 
@@ -898,10 +888,6 @@ class InjectedState(InjectedToolArg):
         self.field = field
 
 
-@deprecated(
-    "InjectedStore has been moved to `langchain.agents.tool_node`. Please update your import to `from langchain.agents.tool_node import InjectedStore`.",
-    category=LangGraphDeprecatedSinceV10,
-)
 class InjectedStore(InjectedToolArg):
     """Annotation for injecting persistent store into tool arguments.