docs(CollapsibleCalendar): 更新界面文本描述为"作业信息"和"切换日期"

 <!--
  * @Date: 2025-01-25 15:34:17
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-12-18 23:28:38
+ * @LastEditTime: 2025-12-18 23:38:02
  * @FilePath: /mlaj/src/components/ui/CollapsibleCalendar.vue
  * @Description: 可折叠日历组件
 -->
@@ -29,7 +29,7 @@
                 <div class="calendar-date-display" @click="expandCalendar">
                     <div class="calendar-date-main">{{ formattedCurrentDate }}</div>
                     <div class="calendar-weekday">{{ formattedWeekday }}</div>
-                    <div class="text-xs text-gray-500 mt-1 collapsible-text">点击切换日期</div>
+                    <div class="text-xs text-gray-500 mt-1 collapsible-text">切换日期</div>
                 </div>
                 <!-- <div class="calendar-action">
                     <div class="calendar-action-text">指定日期</div>
@@ -49,7 +49,7 @@
                             </svg>
                         </div>
                     </div>
-                    <div v-if="selectedSubtask" class="text-xs text-gray-500 mt-1 cursor-pointer hover:text-green-600 transition-colors collapsible-text" @click.stop="openRulesPopup">点击查看打卡规则</div>
+                    <div v-if="selectedSubtask" class="text-xs text-gray-500 mt-1 cursor-pointer hover:text-green-600 transition-colors collapsible-text" @click.stop="openRulesPopup">作业信息</div>
                 </div>
             </div>
         </div>
@@ -104,7 +104,7 @@
             :style="{ maxHeight: '50%' }"
         >
             <div class="p-4">
-                <div class="text-lg font-bold mb-4 text-center text-gray-800">打卡规则</div>
+                <div class="text-lg font-bold mb-4 text-center text-gray-800">作业信息</div>
                 <div class="details text-sm text-gray-600 pl-4 border-l-4 border-green-500" v-if="formattedRules">
                     <div class="mb-2">周期：{{ formattedRules.cycle }}</div>
                     <div class="mb-2">频次：{{ formattedRules.frequency }}</div>