revert('ScenarioRunner`): convert to node

Author: boczekbartek

src/rai/scenario_engine/scenario_engine.py

@@ -16,12 +16,10 @@
 from langchain_core.runnables import RunnableConfig
 from langchain_core.tools import BaseTool
 from langfuse.callback import CallbackHandler
-from rclpy.node import Node
 
 from rai.history_saver import HistorySaver
 from rai.scenario_engine.messages import AgentLoop, FutureAiMessage
 from rai.scenario_engine.tool_runner import run_requested_tools
-from rai.tools.ros.native import BaseRos2NativeTool
 
 __all__ = [
     "ScenarioRunner",
@@ -64,7 +62,7 @@ def __call__(self, messages: Sequence[BaseMessage]):
 ScenarioType = Sequence[ScenarioPartType]
 
 
-class ScenarioRunner(Node):
+class ScenarioRunner:
     """
     The ScenarioRunner class is responsible for running a given scenario. It iterates over the scenario and executes the
     actions defined in the scenario.
@@ -81,12 +79,8 @@ def __init__(
         log_usage: bool = True,
         use_cache: bool = False,
     ):
-        super().__init__(node_name="rai")  # type: ignore
         self.scenario = scenario
         self.tools = tools
-        for t in self.tools:  # TODO(@boczekbartek): refactor to the method
-            if isinstance(t, BaseRos2NativeTool):
-                t.set_node(self)
         self.log_usage = log_usage
         self.llm = llm
         self.llm_type = llm_type
@@ -125,7 +119,6 @@ def __init__(
                 tags=["scenario_runner"],
             )
             self.invoke_config["callbacks"] = [self.langfuse_handler]
-        self.run()
 
     def run(self):
         self.logger.info("Starting conversation.")