feat: improve audit exports and admin analytics

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

@@ -3,6 +3,7 @@ import { ElMessage, ElMessageBox } from "element-plus";
 import { onMounted, reactive, ref } from "vue";
 
 import { api } from "../services/api";
+import { formatDateTime } from "../utils/dateTime";
 import KnowledgeContentPreview from "./KnowledgeContentPreview.vue";
 import TableRowActions from "./TableRowActions.vue";
 import AdminPagination from "./AdminPagination.vue";
@@ -545,7 +546,7 @@ async function confirmAction(
     <el-table-column label="类型" width="140"><template #default="{ row }">{{ typeLabel(row.knowledgeType) }}</template></el-table-column>
     <el-table-column label="当前版本" width="130"><template #default="{ row }"><span>{{ row.currentVersionId ? `#${row.currentVersionId}` : '尚未同步' }}</span></template></el-table-column>
     <el-table-column label="状态" width="210"><template #default="{ row }"><div class="knowledge-status-cell"><el-switch v-model="row.status" :active-value="1" :inactive-value="0" active-text="开放" inactive-text="关闭" inline-prompt :loading="operatingId === row.id" :disabled="row.lifecycleStatus === 'archived'" :before-change="() => toggleOpen(row)" /><el-tag :type="statusType(row.sourceStatus)">{{ row.sourceStatus === 'normal' ? '源正常' : '源异常' }}</el-tag></div></template></el-table-column>
-    <el-table-column prop="lastSyncedAt" label="最近同步" width="180" />
+    <el-table-column label="最近同步" width="180"><template #default="{ row }">{{ formatDateTime(row.lastSyncedAt) }}</template></el-table-column>
     <el-table-column label="操作" width="220" fixed="right"><template #default="{ row }"><TableRowActions><el-button link type="primary" @click="openDetail(row)">详情</el-button><el-button link type="primary" :disabled="row.lifecycleStatus === 'archived'" :loading="operatingId === row.id" @click="sync(row)">同步最新版</el-button><el-dropdown trigger="click" :teleported="true" @command="handleMore($event, row)"><el-button link type="primary">更多</el-button><template #dropdown><el-dropdown-menu><el-dropdown-item command="detail">查看详情</el-dropdown-item><el-dropdown-item command="preview">进入 Agent 预览</el-dropdown-item><el-dropdown-item v-if="row.lifecycleStatus === 'active'" command="archive" divided>归档</el-dropdown-item><el-dropdown-item v-else command="restore" divided>恢复</el-dropdown-item><el-dropdown-item command="delete" divided>永久删除</el-dropdown-item></el-dropdown-menu></template></el-dropdown></TableRowActions></template></el-table-column>
   </el-table>
   <AdminPagination :page="pager.page" :page-size="pager.pageSize" :total="pager.total" @change="load" />