Fix increase_usage of total_price in agent_runner (#6688)

api/core/agent/cot_agent_runner.py

@@ -79,6 +79,7 @@ class CotAgentRunner(BaseAgentRunner, ABC):
                 llm_usage.completion_tokens += usage.completion_tokens
                 llm_usage.prompt_price += usage.prompt_price
                 llm_usage.completion_price += usage.completion_price
+                llm_usage.total_price += usage.total_price
 
         model_instance = self.model_instance
 

api/core/agent/fc_agent_runner.py

@@ -62,6 +62,7 @@ class FunctionCallAgentRunner(BaseAgentRunner):
                 llm_usage.completion_tokens += usage.completion_tokens
                 llm_usage.prompt_price += usage.prompt_price
                 llm_usage.completion_price += usage.completion_price
+                llm_usage.total_price += usage.total_price
 
         model_instance = self.model_instance