Apply patch [skip ci]

libs/prebuilt/langgraph/prebuilt/chat_agent_executor.py

@@ -568,7 +568,15 @@ def create_react_agent(
     ) -> LanguageModelLike:
         """Resolve the model to use, handling both static and dynamic models."""
         if is_dynamic_model:
-            return _get_prompt_runnable(prompt) | model(state, runtime)  # type: ignore[operator]
+            resolved_model = model(state, runtime)  # type: ignore[operator]
+            if (
+                _should_bind_tools(resolved_model, tool_classes, num_builtin=len(llm_builtin_tools))  # type: ignore[arg-type]
+                and len(tool_classes + llm_builtin_tools) > 0
+            ):
+                resolved_model = cast(BaseChatModel, resolved_model).bind_tools(
+                    tool_classes + llm_builtin_tools  # type: ignore[operator]
+                )
+            return _get_prompt_runnable(prompt) | resolved_model
         else:
             return static_model
 
@@ -969,3 +977,4 @@ __all__ = [
     "AgentStateWithStructuredResponsePydantic",
 ]
 
+