refactor(aiot): 调整工作时间快捷模板

- 删除三班制模板
- 修改两班制时间为 08:30-11:00 和 12:00-17:30
- 保留全天监控和单班制模板

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/web-antd/src/views/aiot/device/roi/components/WorkingHoursEditor.vue

@@ -58,18 +58,8 @@ const templates = [
     icon: '⏰',
     description: '上午+下午',
     periods: [
-      { start: '09:00', end: '12:00' },
-      { start: '14:00', end: '18:00' },
-    ],
-  },
-  {
-    label: '三班制',
-    icon: '🔄',
-    description: '早中晚班',
-    periods: [
-      { start: '08:00', end: '16:00' },
-      { start: '16:00', end: '00:00' },
-      { start: '00:00', end: '08:00' },
+      { start: '08:30', end: '11:00' },
+      { start: '12:00', end: '17:30' },
     ],
   },
 ];