教师档案增加“激活账号”：管理员设置初始密码，服务端校验管理权限、学院数据范围、在职状态、工号冲突，并自动关联教师角色与档案。

已发布课表增加“发布后修改”：创建修订草稿，旧课表继续生效；修订版重新发布后再替换旧版本。
修复 390px 窄屏下课表页头按钮溢出。

web/src/views/SchedulesView.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, onBeforeUnmount, onMounted, reactive, ref } from 'vue'
-import { CopyDocument, Plus, Promotion, Refresh, Search, Setting } from '@element-plus/icons-vue'
+import { CopyDocument, EditPen, Plus, Promotion, Refresh, Search, Setting } from '@element-plus/icons-vue'
 import http, { apiErrorMessage } from '../api/http'
 
 const plans = ref<any[]>([])
@@ -29,6 +29,7 @@ const keyword = ref('')
 const termId = ref<string | undefined>()
 const planForm = reactive<Record<string, any>>({})
 const cloneForm = reactive<Record<string, any>>({})
+const revisingPublishedPlan = ref(false)
 const entryForm = reactive<Record<string, any>>({})
 const constraintForm = reactive<Record<string, any>>({})
 const constraintBatchForm = reactive<Record<string, any>>({})
@@ -478,8 +479,9 @@ async function savePlan() {
 }
 
 function openClone() {
+  revisingPublishedPlan.value = selected.value.status === 'Published'
   Object.assign(cloneForm, {
-    name: `${selected.value.name}（调整版）`,
+    name: `${selected.value.name}（修订版）`,
     version: `V${plans.value.length + 1}`,
   })
   cloneDialog.value = true
@@ -487,10 +489,18 @@ function openClone() {
 
 async function clonePlan() {
   try {
-    await http.post(`/schedules/plans/${selected.value.id}/clone`, cloneForm)
+    const { data } = await http.post(
+      `/schedules/plans/${selected.value.id}/clone`,
+      cloneForm,
+    )
     cloneDialog.value = false
-    ElMessage.success('已复制为可调整的草稿版本')
+    ElMessage.success(
+      revisingPublishedPlan.value
+        ? '已建立修订草稿，原已发布课表继续生效'
+        : '已复制为可调整的草稿版本',
+    )
     await loadPlans(false)
+    if (data.id && selected.value?.id !== data.id) await loadDetail(data.id)
   } catch (error) {
     ElMessage.error(apiErrorMessage(error))
   }
@@ -499,7 +509,7 @@ async function clonePlan() {
 async function publishPlan() {
   try {
     await ElMessageBox.confirm(
-      '系统将再次检查全部教师、行政班和教室冲突；发布后本版本锁定，并归档旧课表。',
+      '系统将再次检查全部教师、行政班和教室冲突；发布后本版本锁定并替换旧课表，后续仍可通过“发布后修改”建立修订版。',
       '发布课表',
       { type: 'warning', confirmButtonText: '检查并发布', cancelButtonText: '取消' },
     )
@@ -631,7 +641,23 @@ onBeforeUnmount(clearAutoSchedulePoll)
         </div>
         <div class="plan-actions">
           <el-button v-if="isDraft" :disabled="autoLoading" @click="openPlan(selected)">编辑版本</el-button>
-          <el-button :icon="CopyDocument" :disabled="autoLoading" @click="openClone">复制调整</el-button>
+          <el-button
+            v-if="selected.status === 'Published'"
+            type="warning"
+            plain
+            :icon="EditPen"
+            @click="openClone"
+          >
+            发布后修改
+          </el-button>
+          <el-button
+            v-else
+            :icon="CopyDocument"
+            :disabled="autoLoading"
+            @click="openClone"
+          >
+            复制调整
+          </el-button>
           <el-button
             v-if="isDraft"
             type="warning"
@@ -723,12 +749,28 @@ onBeforeUnmount(clearAutoSchedulePoll)
       <template #footer><el-button @click="planDialog = false">取消</el-button><el-button type="primary" @click="savePlan">保存</el-button></template>
     </el-dialog>
 
-    <el-dialog v-model="cloneDialog" title="复制排课版本" width="520px">
+    <el-dialog
+      v-model="cloneDialog"
+      :title="revisingPublishedPlan ? '发布后修改课表' : '复制排课版本'"
+      width="520px"
+    >
+      <el-alert
+        v-if="revisingPublishedPlan"
+        title="系统会建立一份可编辑的修订草稿；原课表在修订版重新发布前继续生效，不会影响教师和学生查课。"
+        type="info"
+        :closable="false"
+        show-icon
+      />
       <el-form label-position="top">
         <el-form-item label="新版本名称" required><el-input v-model="cloneForm.name" /></el-form-item>
         <el-form-item label="新版本号" required><el-input v-model="cloneForm.version" /></el-form-item>
       </el-form>
-      <template #footer><el-button @click="cloneDialog = false">取消</el-button><el-button type="primary" @click="clonePlan">复制</el-button></template>
+      <template #footer>
+        <el-button @click="cloneDialog = false">取消</el-button>
+        <el-button type="primary" @click="clonePlan">
+          {{ revisingPublishedPlan ? '建立修订草稿' : '复制' }}
+        </el-button>
+      </template>
     </el-dialog>
 
     <el-dialog v-model="entryDialog" :title="editingEntryId ? '调整排课' : '添加排课'" width="680px">