task-278(验收反馈): 生成记录加清理数据功能(DELETE /api/admin/history 二次确认+条数提示;含工作区在途的 imagehistory 分页优化)

admin-frontend-vue/src/pages/records/RecordsHistoryPage.vue

@@ -2,11 +2,12 @@
 /** 历史生成记录页（module 13 task 259 对齐 admin panel-history）：指定用户下拉 + 起止时间筛选、类型中文、≤3 缩略图、大图预览、空态。 */
 import { formatDateTime } from '@/utils/datetime'
 import { computed, onMounted, reactive, ref } from 'vue'
-import { fetchHistoryList, fetchHistoryUserOptions } from './history-api.ts'
+import { fetchHistoryList, fetchHistoryUserOptions, clearHistory } from './history-api.ts'
 import type { HistoryUserOption } from './history-user-option.ts'
 import type { HistoryRecordItem } from './history-dto.ts'
 import { historyEmptyText, historyErrorText } from './history-feedback.ts'
 import { historyPanelTypeLabel } from './history-type.ts'
+import { ElMessage, ElMessageBox } from 'element-plus'
 
 const loading = ref(false)
 const userLoading = ref(false)
@@ -98,6 +99,32 @@ function openPreview(item: HistoryRecordItem) {
   previewVisible.value = true
 }
 
+const clearing = ref(false)
+
+/** 清空全部生成记录：二次确认后调后端 DELETE /api/admin/history。 */
+async function clearAll() {
+  try {
+    await ElMessageBox.confirm('确定清空全部生成记录吗？该操作会删除所有历史数据，无法恢复。', '清理生成记录', {
+      confirmButtonText: '确认清空',
+      cancelButtonText: '取消',
+      type: 'warning',
+    })
+  } catch {
+    return
+  }
+  clearing.value = true
+  try {
+    const removed = await clearHistory()
+    ElMessage.success(`已清空 ${removed} 条生成记录`)
+    page.value = 1
+    await load()
+  } catch (error) {
+    ElMessage.error(error instanceof Error ? error.message : '清理失败')
+  } finally {
+    clearing.value = false
+  }
+}
+
 onMounted(() => {
   load()
   loadUserOptions()
@@ -111,6 +138,9 @@ onMounted(() => {
         <h2>生成记录</h2>
         <p>查看各用户在后台生成的历史记录与结果图。</p>
       </div>
+      <div class="heading-actions">
+        <el-button type="danger" plain :loading="clearing" @click="clearAll">清理数据</el-button>
+      </div>
     </div>
 
     <el-card shadow="never" class="filter-card">

admin-frontend-vue/src/pages/records/history-api.ts

@@ -17,3 +17,11 @@ export async function fetchHistoryUserOptions(): Promise<HistoryUserOption[]> {
   const { data } = await http.get<unknown>('/api/admin/users', { params: { page: 1, page_size: 999 } })
   return parseHistoryUserOptions(data)
 }
+
+/** 清空全部生成记录（验收反馈：生成记录数据要可清理）。返回清理条数。 */
+export async function clearHistory(): Promise<number> {
+  const { data } = await http.delete<unknown>(HISTORY_ENDPOINT)
+  const record = data && typeof data === 'object' ? (data as Record<string, unknown>) : null
+  const removed = record?.data
+  return typeof removed === 'number' ? removed : 0
+}