优化: 审批超时倒计时(60s变红)+分离窗口监听核验

src/i18n/en/aiTool.ts

@@ -10,6 +10,8 @@ export default {
     executionSlow: 'Tool "{name}" is taking longer than expected, please wait…',
     // approval pending duration hint (>2min orange, >5min red)
     waitTime: '⏱ Waiting {time}',
+    // approval expiry countdown (BUG-260624-02, aligned with frontend auto-reject, red ≤60s)
+    expireIn: '⏳ Auto-reject in {time}',
     // tool execution failure marker (AR-6 keeps status=completed, red to distinguish from success)
     executionFailed: 'Failed',
     executionFailedHint: 'Tool execution failed, see details below',

src/i18n/zh-CN/aiTool.ts

@@ -10,6 +10,8 @@ export default {
     executionSlow: '工具「{name}」执行较久，请稍候…',
     // 审批挂起时长提示(>2分钟橙色,>5分钟红色)
     waitTime: '⏱ 已等待 {time}',
+    // 审批到期倒计时(BUG-260624-02,与前端自动拒绝时刻对齐,≤60s 红色)
+    expireIn: '⏳ {time} 后超时自动拒绝',
     // 工具执行失败视觉标识(AR-6 下 status=completed,需红色区分于成功)
     executionFailed: '执行失败',
     executionFailedHint: '工具执行失败,详情见下方',