Merge pull request pipecat-ai#3413 from pipecat-ai/aleix/fix-assistant-thought-aggregation

LLMAssistantAggregator: reset aggregation after adding the thought, not before

Author: aconchillo

src/pipecat/processors/aggregators/llm_response_universal.py

@@ -950,7 +950,6 @@ async def _handle_thought_end(self, frame: LLMThoughtEndFrame):
             return
 
         thought = concatenate_aggregated_text(self._thought_aggregation)
-        await self._reset_thought_aggregation()
 
         if self._thought_append_to_context:
             llm = self._thought_llm
@@ -966,6 +965,9 @@ async def _handle_thought_end(self, frame: LLMThoughtEndFrame):
             )
 
         message = AssistantThoughtMessage(content=thought, timestamp=self._thought_start_time)
+
+        await self._reset_thought_aggregation()
+
         await self._call_event_handler("on_assistant_thought", message)
 
     def _context_updated_task_finished(self, task: asyncio.Task):