refactor(attachment): 使用工具函数规范化附件类型显示逻辑

在CollapsibleCalendar和taskHomePage组件中，将硬编码的附件类型映射逻辑替换为统一的工具函数normalizeAttachmentTypeConfig，提高代码复用性和可维护性

@@ -121,6 +121,7 @@
 import { ref, computed, watch, onMounted } from 'vue'
 import { useScroll } from '@vueuse/core'
 import dayjs from 'dayjs'
+import { normalizeAttachmentTypeConfig } from '@/utils/tools'
 
 // Props定义
 const props = defineProps({
@@ -243,14 +244,10 @@ const formattedRules = computed(() => {
     const cycleText = cycleMap[data.cycle] || data.cycle || '每日'
 
     let attachmentText = '文本'
-    if (Array.isArray(data.attachment_type)) {
-        const typeMap = {
-            'text': '文本',
-            'image': '图片',
-            'video': '视频',
-            'audio': '音频'
-        }
-        attachmentText = data.attachment_type.map(t => typeMap[t] || t).join('/')
+    if (Array.isArray(data.attachment_type) || (data.attachment_type && typeof data.attachment_type === 'object')) {
+        const { options } = normalizeAttachmentTypeConfig(data.attachment_type)
+        const text = options.map(item => item.value || item.key).join('/')
+        attachmentText = text || '文本'
     } else if (data.attachment_type) {
         attachmentText = data.attachment_type
     }

 <!--
  * @Date: 2025-11-19 21:00:00
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-12-18 21:54:18
+ * @LastEditTime: 2026-01-21 13:56:29
  * @FilePath: /mlaj/src/views/teacher/taskHomePage.vue
  * @Description: 教师端作业主页（头部介绍、统计、日历与学生完成情况）
 -->
@@ -131,6 +131,7 @@ import { useTitle } from '@vueuse/core'
 import checkCorner from '@/assets/images/dui.png'
 import { getTeacherTaskDetailAPI } from '@/api/teacher'
 import { getCheckinTeacherCheckedDatesAPI } from '@/api/checkin'
+import { normalizeAttachmentTypeConfig } from '@/utils/tools'
 import dayjs from 'dayjs'
 import { showToast } from 'vant'
 
@@ -314,14 +315,10 @@ const formatTaskDetails = (data) => {
     const cycleText = cycleMap[data.cycle] || data.cycle || '每日'
 
     let attachmentText = '文本'
-    if (Array.isArray(data.attachment_type)) {
-        const typeMap = {
-            'text': '文本',
-            'image': '图片',
-            'video': '视频',
-            'audio': '音频'
-        }
-        attachmentText = data.attachment_type.map(t => typeMap[t] || t).join('/')
+    if (Array.isArray(data.attachment_type) || (data.attachment_type && typeof data.attachment_type === 'object')) {
+        const { options } = normalizeAttachmentTypeConfig(data.attachment_type)
+        const text = options.map(item => item.value || item.key).join('/')
+        attachmentText = text || '文本'
     } else if (data.attachment_type) {
         attachmentText = data.attachment_type
     }