Method add

utils/llm_client.py:21–26

(self, input_tokens: int, output_tokens: int, latency: float)

    total_latency: float = 0.0

    def add(self, input_tokens: int, output_tokens: int, latency: float) -> None:
        self.input_tokens += input_tokens
        self.output_tokens += output_tokens
        self.total_tokens += input_tokens + output_tokens
        self.call_count += 1
        self.total_latency += latency

    def merge(self, other: "TokenUsage") -> None:
        self.input_tokens += other.input_tokens