feat: improve audit exports and admin analytics

ai_knowledge_base_v2/apps/admin-web/src/components/AgentBatchTestPanel.vue

@@ -5,6 +5,7 @@ import { computed, onBeforeUnmount, onMounted, reactive, ref } from "vue";
 import { api } from "../services/api";
 import type { AgentBatchItem, AgentBatchJob, AgentBatchJobDetail } from "../types/api";
 import AdminPagination from "./AdminPagination.vue";
+import { formatDateTime } from "../utils/dateTime";
 
 const props = defineProps<{
   config: Record<string, unknown>;
@@ -165,10 +166,6 @@ function executionLabel(job: AgentBatchJob) {
   return job.executionMode === "concurrent" ? `并发 · ${job.concurrencyLimit} 路` : "逐条串行";
 }
 
-function formatDate(value?: string | null) {
-  return value ? new Date(value).toLocaleString("zh-CN", { hour12: false }) : "—";
-}
-
 function itemDuration(item: AgentBatchItem) {
   return item.durationMs == null ? "—" : `${(item.durationMs / 1000).toFixed(1)} 秒`;
 }
@@ -213,7 +210,7 @@ function errorMessage(error: unknown, fallback: string) {
 
     <div class="agent-batch-list-head"><div><h4>测试记录</h4><p>任务在后台执行，离开页面不会中断。</p></div><el-button :loading="loading" @click="loadJobs()">刷新</el-button></div>
     <el-table v-loading="loading" :data="jobs" stripe>
-      <el-table-column label="任务" min-width="190"><template #default="{ row }"><strong>{{ row.name }}</strong><small class="agent-batch-cell-note">#{{ row.id }} · {{ formatDate(row.createdAt) }}</small></template></el-table-column>
+      <el-table-column label="任务" min-width="190"><template #default="{ row }"><strong>{{ row.name }}</strong><small class="agent-batch-cell-note">#{{ row.id }} · {{ formatDateTime(row.createdAt, "—") }}</small></template></el-table-column>
       <el-table-column label="配置快照" min-width="180"><template #default="{ row }"><span>{{ row.modelName }}</span><small class="agent-batch-cell-note">{{ row.knowledgeNames.join('、') }}</small></template></el-table-column>
       <el-table-column label="进度" min-width="190"><template #default="{ row }"><el-progress :percentage="row.progress" :status="row.status === 'completed' ? 'success' : undefined" /><small class="agent-batch-cell-note">{{ row.processedCount }}/{{ row.totalCount }} · 成功 {{ row.successCount }} · 失败 {{ row.failedCount }}</small></template></el-table-column>
       <el-table-column label="执行方式" width="118"><template #default="{ row }"><el-tag type="info">{{ executionLabel(row) }}</el-tag></template></el-table-column>