feat(agent): Add trace for agent (#1407)

examples/agents/single_agent_dialogue_example.py

@@ -40,7 +40,7 @@ async def main():
     await user_proxy.initiate_chat(
         recipient=coder,
         reviewer=user_proxy,
-        message="式计算下321 * 123等于多少",  # 用python代码的方式计算下321 * 123等于多少
+        message="计算下321 * 123等于多少",  # 用python代码的方式计算下321 * 123等于多少
         # message="download data from https://raw.githubusercontent.com/uwdata/draco/master/data/cars.csv and plot a visualization that tells us about the relationship between weight and horsepower. Save the plot to a file. Print the fields in a dataset before visualizing it.",
     )
     ## dbgpt-vis message infos