refactor: switch pipeline_cfg related fields to new pipeline config

pkg/pipeline/msgtrun/msgtrun.py

@@ -15,7 +15,7 @@ class ConversationMessageTruncator(stage.PipelineStage):
     trun: truncator.Truncator
 
     async def initialize(self, pipeline_config: dict):
-        use_method = self.ap.pipeline_cfg.data['msg-truncate']['method']
+        use_method = "round"
 
         for trun in truncator.preregistered_truncators:
             if trun.name == use_method:

pkg/pipeline/msgtrun/truncators/round.py

@@ -12,7 +12,7 @@ class RoundTruncator(truncator.Truncator):
     async def truncate(self, query: core_entities.Query) -> core_entities.Query:
         """截断
         """
-        max_round = self.ap.pipeline_cfg.data['msg-truncate']['round']['max-round']
+        max_round = query.pipeline_config['ai']['local-agent']['max-round']
 
         temp_messages = []