优化: 审批超时倒计时(60s变红)+分离窗口监听核验

src/components/ToolCard.vue

@@ -40,8 +40,12 @@
           </div>
         </div>
         <div v-if="tc.reason" class="ai-tool-approval-reason">⚠ {{ tc.reason }}</div>
-        <!-- BUG-260624-02: 审批挂起时长提示(>2分钟橙色,>5分钟红色) -->
-        <div v-if="waitSecs > 0" class="ai-tool-wait-time" :class="'is-' + waitLevel">
+        <!-- BUG-260624-02: 审批到期倒计时(与前端自动拒绝时刻精确对齐,≤60s 红色脉冲);
+             无活跃计时器(不限时/已到期)回退显挂起时长(>2分钟橙色,>5分钟红色) -->
+        <div v-if="expireSecs !== null" class="ai-tool-wait-time" :class="'is-' + expireLevel">
+          {{ $t('aiTool.expireIn', { time: formatWaitTime(expireSecs) }) }}
+        </div>
+        <div v-else-if="waitSecs > 0" class="ai-tool-wait-time" :class="'is-' + waitLevel">
           ⏱ {{ $t('aiTool.waitTime', { time: formatWaitTime(waitSecs) }) }}
         </div>
         <!-- AE-2025-03: write_file 审批 diff 预览(红删绿增,行级)。旧文件不存在→tc.diff 为空,回退显上方 args content -->
@@ -188,6 +192,8 @@ const {
   waitSecs,
   waitLevel,
   formatWaitTime,
+  expireSecs,
+  expireLevel,
   onApprove,
   onReject,
   onAuthorizeOnce,