in 01-agents/4_tools.py [0:0]
def execute_refund(item_id, reason="not provided"):
"""指定された商品IDと理由を元に返金処理を実行します。"""
print(color("\n\n=== 返金概要 ===", "green"))
print(color(f"商品ID: {item_id}", "green"))
print(color(f"理由: {reason}", "green"))
print("=================\n")
print(color("返金の実行に成功しました!", "green"))
return "success"