fix(prebuilt): raise on additional deprecated kwargs (#5848)

libs/prebuilt/langgraph/prebuilt/chat_agent_executor.py

@@ -473,6 +473,11 @@ def create_react_agent(
         if context_schema is None:
             context_schema = config_schema
 
+    if len(deprecated_kwargs) > 0:
+        raise TypeError(
+            f"create_react_agent() got unexpected keyword arguments: {deprecated_kwargs}"
+        )
+
     if version not in ("v1", "v2"):
         raise ValueError(
             f"Invalid version {version}. Supported versions are 'v1' and 'v2'."

libs/prebuilt/tests/test_deprecation.py

@@ -31,3 +31,11 @@ def test_config_schema_deprecation() -> None:
         match="`get_config_jsonschema` is deprecated. Use `get_context_jsonschema` instead.",
     ):
         assert agent.get_config_jsonschema() is not None
+
+
+def test_extra_kwargs_deprecation() -> None:
+    with pytest.raises(
+        TypeError,
+        match="create_react_agent\(\) got unexpected keyword arguments: \{'extra': 'extra'\}",
+    ):
+        create_react_agent(FakeToolCallingModel(), [], extra="extra")