const fetchWeather = async (params: { city: string }) => {
  const res = await fetch(`https://api.weather.com/${params.city}`);
  return res.json();
};

const result = await skills.toolCallRetry({
  toolFn: fetchWeather,
  args: { city: "Beijing" }
});

const result = await skills.toolCallRetry({
  toolFn: callLLM,
  args: { prompt: "Generate JSON output" },
  validatorFn: (res) => typeof res === "object" && res !== null && res.code === 0,
  maxRetries: 5
});

const result = await skills.toolCallRetry({
  toolFn: callDatabase,
  args: { sql: "SELECT * FROM users" },
  errorHandlerFn: async (error, attempt) => {
    if (error.message.includes("SQL syntax error")) {
      // 自动修复SQL语法
      const fixedSql = await fixSqlWithLLM(error.message);
      return { args: { sql: fixedSql } };
    }
    if (attempt >= 2) {
      // 重试2次失败后中止
      return { abort: true };
    }
  }
});