Function optionalString

src/app/service/agent/core/tools/param_utils.ts:24–29

(args: Record<string, unknown>, name: string)

/** 获取可选字符串参数 */
export function optionalString(args: Record<string, unknown>, name: string): string | undefined {
  const val = args[name];
  if (val == null) return undefined;
  if (typeof val === "string") return val;
  return String(val);
}

/** 获取可选数字参数（支持字符串转数字） */
export function optionalNumber(args: Record<string, unknown>, name: string): number | undefined {