feat(打卡): 重构打卡页面并提取公共逻辑到composable

- 将打卡按钮改为底部悬浮样式
- 统一编辑跳转逻辑到CheckinDetailPage
- 提取打卡相关逻辑到useCheckin composable
- 优化打卡详情页的UI和交互

 <!--
   * @Date: 2025-05-29 15:34:17
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-30 17:02:29
+ * @LastEditTime: 2025-09-30 17:58:09
  * @FilePath: /mlaj/src/views/checkin/IndexCheckInPage.vue
   * @Description: 文件描述
 -->
@@ -57,19 +57,6 @@
           </div>
         </div>
 
-        <!-- 我要打卡按钮 -->
-        <div v-if="!taskDetail.is_finish" class="text-wrapper" style="padding-bottom: 0;">
-          <van-button
-            type="primary"
-            block
-            round
-            @click="goToCheckinDetailPage"
-            class="checkin-action-button"
-          >
-            <van-icon name="edit" size="1.2rem" />
-            <span style="margin-left: 0.5rem;">我要打卡</span>
-          </van-button>
-        </div>
 
         <div class="text-wrapper">
           <div class="text-header">打卡动态</div>
@@ -162,13 +149,26 @@
           <van-back-top right="5vw" bottom="10vh" />
         </div>
 
-        <div style="height: 5rem;"></div>
+        <div style="height: 10rem;"></div>
       </div> <!-- 闭合 scrollable-content -->
     </van-config-provider>
 
     <van-dialog v-model:show="dialog_show" title="标题" show-cancel-button></van-dialog>
 
     <van-back-top right="5vw" bottom="15vh" />
+
+    <!-- 底部悬浮打卡按钮 -->
+    <div v-if="!taskDetail.is_finish" class="floating-checkin-button">
+      <van-button
+        type="primary"
+        round
+        @click="goToCheckinDetailPage"
+        class="checkin-action-button"
+      >
+        <van-icon name="edit" size="1.2rem" />
+        <span style="margin-left: 0.5rem;">我要打卡</span>
+      </van-button>
+    </div>
   </AppLayout>
 </template>
 
@@ -606,34 +606,15 @@ const handLike = async (post) => {
 }
 
 const editCheckin = (post) => {
-  if (post.file_type === 'image') {
-    router.push({
-      path: '/checkin/image',
-      query: {
-        post_id: post.id,
-        type: 'image',
-        status: 'edit',
-      }
-    })
-  } else if (post.file_type === 'video') {
-    router.push({
-      path: '/checkin/video',
-      query: {
-        post_id: post.id,
-        type: 'video',
-        status: 'edit',
-      }
-    })
-  } else if (post.file_type === 'audio') {
-    router.push({
-      path: '/checkin/audio',
-      query: {
-        post_id: post.id,
-        type: 'audio',
-        status: 'edit',
-      }
-    })
-  }
+  // 统一跳转到CheckinDetailPage页面处理所有类型的编辑
+  router.push({
+    path: '/checkin/detail',
+    query: {
+      post_id: post.id,
+      type: post.file_type,
+      status: 'edit',
+    }
+  })
 }
 
 const delCheckin = (post) => {
@@ -651,6 +632,13 @@ const delCheckin = (post) => {
         // router.go(0);
         // 删除post_id相应的数据
         checkinDataList.value = checkinDataList.value.filter(item => item.id !== post.id);
+        // 检查是否还可以打卡
+        const current_date = route.query.date;
+        if (current_date) {
+            getTaskDetail(dayjs(current_date).format('YYYY-MM'));
+        } else {
+            getTaskDetail(dayjs().format('YYYY-MM'));
+        }
       } else {
         showErrorToast('删除失败');
       }
@@ -957,6 +945,25 @@ const formatData = (data) => {
 </style>
 
 <style scoped>
+/* 底部悬浮打卡按钮样式 */
+.floating-checkin-button {
+  position: fixed;
+  bottom: 6rem;
+  left: 1rem;
+  right: 1rem;
+  z-index: 1000;
+  padding: 0 1rem;
+}
+
+.floating-checkin-button .checkin-action-button {
+  width: 100%;
+  height: 3rem;
+  font-size: 1rem;
+  font-weight: 600;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+  border: none;
+}
+
 :deep(.van-calendar__footer) {
     display: none;
 }