deepseek

2 处改动：

  1. ValidateRequestAsync — 当 classIds 为空时跳过行政班验证（选修课可不选班）
  2. ValidatePublishingTasksAsync — 移除了"发布前至少需要关联一个行政班"的强制校验，允许无行政班的教学任务直接发布

web/src/views/TeachingTasksView.vue

@@ -597,7 +597,7 @@ onMounted(async () => {
 
     <section class="task-summary">
       <div><span>当前结果</span><b>{{ total }}</b><small>个教学班</small></div>
-      <p>{{ responsibilityText }} 发布时还会校验教师授课资格、行政班、容量和周次。</p>
+      <p>{{ responsibilityText }} 发布时还会校验教师授课资格、容量和周次；选修课可不关联行政班。</p>
     </section>
 
     <section class="data-card">
@@ -681,7 +681,7 @@ onMounted(async () => {
         </el-table-column>
         <el-table-column prop="termName" label="开课学期" min-width="180" />
         <el-table-column label="授课教师" min-width="130"><template #default="{ row }">{{ row.teacherNames.join('、') || '未安排' }}</template></el-table-column>
-        <el-table-column label="行政班" min-width="150"><template #default="{ row }">{{ row.classNames.join('、') || '未关联' }}</template></el-table-column>
+        <el-table-column label="行政班" min-width="150"><template #default="{ row }">{{ row.classNames.join('、') || '开放选课' }}</template></el-table-column>
         <el-table-column label="人数 / 容量" width="105"><template #default="{ row }">{{ row.studentCount }} / {{ row.capacity }}</template></el-table-column>
         <el-table-column label="周次" width="105"><template #default="{ row }">{{ row.startWeek }}—{{ row.endWeek }} 周</template></el-table-column>
         <el-table-column label="状态" width="90"><template #default="{ row }"><span class="table-status" :class="{ off: row.status === 'Closed' }">{{ statusLabels[row.status] }}</span></template></el-table-column>
@@ -768,7 +768,7 @@ onMounted(async () => {
             <el-option v-for="item in selectedTeachers" :key="item.id" :label="item.name" :value="item.id" />
           </el-select>
         </el-form-item>
-        <el-form-item label="关联行政班">
+        <el-form-item label="关联行政班（选修课可留空）">
           <div class="class-picker">
             <div class="option-filter-grid classes">
               <el-input v-model="manualClassFilters.keyword" clearable placeholder="班级代码、名称或专业" />