美国被报道称袭击伊朗格什姆岛，万斯称对达成协议表示乐观

1. 核心事实剥离

• 事件本质：美国被报道称在副总统JD Vance表达外交进展乐观情绪后，对伊朗格什姆岛实施有限打击；最关键的可交易变量是霍尔木兹海峡是否从有限军事摩擦重新升级为持续性供应中断。〔SRC:"The US launched limited strikes on Iran’s Qeshm Island late on Monday"] 〔SRC:"vice-president JD Vance said he was optimistic diplomatic efforts to end the war were moving in the right directi