feat(admin): Add activity logs page and fix AI chat markdown rendering

- Add paginated activity logs API with filters (date, module, action, keyword)

- Add ActivityLogsPage with table, filters, and detail modal

- Add markdown rendering support for AI chat messages

- Remove prototype placeholder content from chat sidebar

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/common/services/activity.service.ts

@@ -290,6 +290,113 @@ export const activityService = {
     };
   },
 
+  /**
+   * 分页查询运营日志（支持筛选）
+   * 
+   * @param options 查询选项
+   */
+  async getActivityLogs(options: {
+    page: number;
+    pageSize: number;
+    startDate?: Date;
+    endDate?: Date;
+    module?: string;
+    action?: string;
+    keyword?: string;
+  }): Promise<{
+    data: Array<{
+      id: string;
+      createdAt: Date;
+      tenantId: string;
+      tenantName: string | null;
+      userId: string;
+      userName: string | null;
+      module: string;
+      feature: string;
+      action: string;
+      info: string | null;
+    }>;
+    total: number;
+    page: number;
+    pageSize: number;
+  }> {
+    const { page, pageSize, startDate, endDate, module, action, keyword } = options;
+    
+    // 构建 where 条件
+    const where: any = {};
+    
+    // 日期范围筛选
+    if (startDate || endDate) {
+      where.created_at = {};
+      if (startDate) where.created_at.gte = startDate;
+      if (endDate) {
+        // endDate 设置到当天结束
+        const endOfDay = new Date(endDate);
+        endOfDay.setHours(23, 59, 59, 999);
+        where.created_at.lte = endOfDay;
+      }
+    }
+    
+    // 模块筛选
+    if (module) {
+      where.module = module;
+    }
+    
+    // 动作筛选
+    if (action) {
+      where.action = action;
+    }
+    
+    // 关键词搜索（用户名或租户名）
+    if (keyword) {
+      where.OR = [
+        { user_name: { contains: keyword, mode: 'insensitive' } },
+        { tenant_name: { contains: keyword, mode: 'insensitive' } },
+      ];
+    }
+    
+    // 并行查询数据和总数
+    const [logs, total] = await Promise.all([
+      prisma.simple_logs.findMany({
+        where,
+        orderBy: { created_at: 'desc' },
+        skip: (page - 1) * pageSize,
+        take: pageSize,
+        select: {
+          id: true,
+          created_at: true,
+          tenant_id: true,
+          tenant_name: true,
+          user_id: true,
+          user_name: true,
+          module: true,
+          feature: true,
+          action: true,
+          info: true,
+        }
+      }),
+      prisma.simple_logs.count({ where }),
+    ]);
+    
+    return {
+      data: logs.map(log => ({
+        id: log.id,
+        createdAt: log.created_at,
+        tenantId: log.tenant_id,
+        tenantName: log.tenant_name,
+        userId: log.user_id,
+        userName: log.user_name,
+        module: log.module,
+        feature: log.feature,
+        action: log.action,
+        info: log.info,
+      })),
+      total,
+      page,
+      pageSize,
+    };
+  },
+
   /**
    * 清理过期日志（180天前的数据）
    * 用于定时任务调用

backend/src/modules/admin/controllers/statsController.ts

@@ -98,6 +98,81 @@ export async function getUserOverview(
   }
 }
 
+/**
+ * 分页查询运营日志
+ * GET /api/admin/stats/logs
+ * 
+ * 查询参数:
+ * - page: 页码 (默认1)
+ * - pageSize: 每页条数 (默认20, 最大100)
+ * - startDate: 开始日期 (YYYY-MM-DD)
+ * - endDate: 结束日期 (YYYY-MM-DD)
+ * - module: 模块筛选
+ * - action: 动作筛选
+ * - keyword: 关键词搜索 (用户名/租户名)
+ */
+export async function getActivityLogs(
+  request: FastifyRequest<{
+    Querystring: {
+      page?: string;
+      pageSize?: string;
+      startDate?: string;
+      endDate?: string;
+      module?: string;
+      action?: string;
+      keyword?: string;
+    }
+  }>,
+  reply: FastifyReply
+) {
+  try {
+    const {
+      page: pageStr,
+      pageSize: pageSizeStr,
+      startDate: startDateStr,
+      endDate: endDateStr,
+      module,
+      action,
+      keyword,
+    } = request.query;
+
+    // 解析分页参数
+    const page = Math.max(1, Number(pageStr) || 1);
+    const pageSize = Math.min(100, Math.max(1, Number(pageSizeStr) || 20));
+
+    // 解析日期参数
+    const startDate = startDateStr ? new Date(startDateStr) : undefined;
+    const endDate = endDateStr ? new Date(endDateStr) : undefined;
+
+    const result = await activityService.getActivityLogs({
+      page,
+      pageSize,
+      startDate,
+      endDate,
+      module,
+      action,
+      keyword,
+    });
+
+    return reply.send({
+      success: true,
+      data: result.data,
+      pagination: {
+        page: result.page,
+        pageSize: result.pageSize,
+        total: result.total,
+        totalPages: Math.ceil(result.total / result.pageSize),
+      },
+    });
+  } catch (error: any) {
+    logger.error('[StatsController] 获取运营日志失败', { error: error.message });
+    return reply.status(500).send({
+      success: false,
+      message: error.message || '获取运营日志失败',
+    });
+  }
+}
+
 /**
  * 清理过期日志（管理接口）
  * POST /api/admin/stats/cleanup

backend/src/modules/admin/routes/statsRoutes.ts

@@ -36,6 +36,17 @@ export async function statsRoutes(fastify: FastifyInstance) {
     handler: statsController.getLiveFeed,
   });
 
+  /**
+   * 分页查询运营日志
+   * GET /api/admin/stats/logs
+   * 
+   * 权限: SUPER_ADMIN, PROMPT_ENGINEER
+   */
+  fastify.get('/logs', {
+    preHandler: [authenticate, requirePermission('tenant:view')],
+    handler: statsController.getActivityLogs,
+  });
+
   /**
    * 清理过期日志
    * POST /api/admin/stats/cleanup

frontend-v2/src/App.tsx

@@ -24,6 +24,8 @@ import UserDetailPage from './modules/admin/pages/UserDetailPage'
 // 系统知识库管理
 import SystemKbListPage from './modules/admin/pages/SystemKbListPage'
 import SystemKbDetailPage from './modules/admin/pages/SystemKbDetailPage'
+// 运营日志
+import ActivityLogsPage from './pages/admin/ActivityLogsPage'
 // 个人中心页面
 import ProfilePage from './pages/user/ProfilePage'
 
@@ -115,6 +117,8 @@ function App() {
                   {/* 系统知识库 */}
                   <Route path="system-kb" element={<SystemKbListPage />} />
                   <Route path="system-kb/:id" element={<SystemKbDetailPage />} />
+                  {/* 运营日志 */}
+                  <Route path="activity-logs" element={<ActivityLogsPage />} />
                   {/* 系统配置 */}
                   <Route path="system" element={<div className="text-center py-20">🚧 系统配置页面开发中...</div>} />
                 </Route>

frontend-v2/src/framework/layout/AdminLayout.tsx

@@ -13,6 +13,7 @@ import {
   MenuUnfoldOutlined,
   BellOutlined,
   BookOutlined,
+  FileTextOutlined,
 } from '@ant-design/icons'
 import type { MenuProps } from 'antd'
 import { useAuth } from '../auth'
@@ -94,6 +95,11 @@ const AdminLayout = () => {
       icon: <TeamOutlined />,
       label: '租户管理',
     },
+    {
+      key: '/admin/activity-logs',
+      icon: <FileTextOutlined />,
+      label: '运营日志',
+    },
     {
       key: '/admin/users',
       icon: <UserOutlined />,

frontend-v2/src/modules/aia/components/ChatWorkspace.tsx

@@ -28,6 +28,7 @@ import { ThinkingBlock } from '@/shared/components/Chat';
 import { getAccessToken } from '@/framework/auth/api';
 import { AGENTS, AGENT_PROMPTS, BRAND_COLORS } from '../constants';
 import type { AgentConfig, Conversation, Message } from '../types';
+import { MarkdownContent } from '../protocol-agent/components/MarkdownContent';
 import '../styles/chat-workspace.css';
 
 /**
@@ -651,14 +652,6 @@ export const ChatWorkspace: React.FC<ChatWorkspaceProps> = ({
           </div>
         </div>
 
-        {/* 用户信息 */}
-        <div className="sidebar-user">
-          <div className="user-avatar">U</div>
-          <div className="user-info">
-            <div className="user-name">Dr. Wang</div>
-            <div className="user-plan">专业版会员</div>
-          </div>
-        </div>
       </aside>
 
       {/* 主对话区 */}
@@ -750,7 +743,11 @@ export const ChatWorkspace: React.FC<ChatWorkspaceProps> = ({
                   {/* 消息内容（有内容时才显示气泡） */}
                   {(msg.content || (msg.role === 'assistant' && isStreaming && index === messages.length - 1)) && (
                     <div className={`message-bubble ${msg.role}`}>
-                      {msg.content}
+                      {msg.role === 'assistant' ? (
+                        <MarkdownContent content={msg.content || ''} />
+                      ) : (
+                        msg.content
+                      )}
                       {msg.role === 'assistant' && isStreaming && index === messages.length - 1 && (
                         <span className="typing-cursor">▊</span>
                       )}

frontend-v2/src/modules/aia/styles/chat-workspace.css

@@ -946,3 +946,93 @@
   border-radius: 8px;
 }
 
+/* ============================================ */
+/* MarkdownContent 组件样式 */
+/* ============================================ */
+.message-bubble .markdown-content {
+  white-space: normal;
+}
+
+.message-bubble .markdown-content p {
+  margin: 0 0 8px 0;
+}
+
+.message-bubble .markdown-content p:last-child {
+  margin-bottom: 0;
+}
+
+.message-bubble .markdown-content .md-divider {
+  border: none;
+  border-top: 1px solid #E5E7EB;
+  margin: 12px 0;
+}
+
+.message-bubble .markdown-content h1,
+.message-bubble .markdown-content h2,
+.message-bubble .markdown-content h3 {
+  margin: 16px 0 8px 0;
+  font-weight: 700;
+  line-height: 1.4;
+}
+
+.message-bubble .markdown-content h1:first-child,
+.message-bubble .markdown-content h2:first-child,
+.message-bubble .markdown-content h3:first-child {
+  margin-top: 0;
+}
+
+.message-bubble .markdown-content h1 {
+  font-size: 1.3em;
+}
+
+.message-bubble .markdown-content h2 {
+  font-size: 1.2em;
+}
+
+.message-bubble .markdown-content h3 {
+  font-size: 1.1em;
+}
+
+.message-bubble .markdown-content ul,
+.message-bubble .markdown-content ol {
+  margin: 8px 0 12px 0;
+  padding-left: 24px;
+}
+
+.message-bubble .markdown-content ul {
+  list-style-type: disc;
+}
+
+.message-bubble .markdown-content ol {
+  list-style-type: decimal;
+}
+
+.message-bubble .markdown-content li {
+  margin: 6px 0;
+  line-height: 1.6;
+  display: list-item;
+}
+
+.message-bubble .markdown-content li::marker {
+  color: #4F6EF2;
+}
+
+.message-bubble .markdown-content strong {
+  font-weight: 700;
+  color: #1F2937;
+}
+
+.message-bubble .markdown-content em {
+  font-style: italic;
+  color: #4B5563;
+}
+
+.message-bubble .markdown-content code {
+  background: rgba(79, 110, 242, 0.1);
+  color: #4F6EF2;
+  padding: 2px 6px;
+  border-radius: 4px;
+  font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
+  font-size: 0.9em;
+}
+

frontend-v2/src/pages/admin/ActivityLogsPage.tsx

@@ -0,0 +1,423 @@
+/**
+ * 运营日志页面
+ * 
+ * 提供完整的运营日志查看、筛选、搜索功能
+ * 
+ * @date 2026-01-28
+ */
+
+import { useState, useCallback } from 'react'
+import {
+  Card,
+  Table,
+  Tag,
+  Input,
+  Select,
+  DatePicker,
+  Button,
+  Space,
+  Tooltip,
+  Modal,
+  Typography,
+} from 'antd'
+import type { ColumnsType, TablePaginationConfig } from 'antd/es/table'
+import {
+  SearchOutlined,
+  ReloadOutlined,
+  MessageOutlined,
+  BookOutlined,
+  FileTextOutlined,
+  SyncOutlined,
+  LoginOutlined,
+  CloudUploadOutlined,
+  DeleteOutlined,
+  EyeOutlined,
+  FilterOutlined,
+  ClearOutlined,
+} from '@ant-design/icons'
+import { useQuery } from '@tanstack/react-query'
+import dayjs from 'dayjs'
+import type { Dayjs } from 'dayjs'
+import { fetchActivityLogs, type ActivityLog } from './api/activityApi'
+
+const { RangePicker } = DatePicker
+const { Text, Paragraph } = Typography
+
+// ==================== 常量映射 ====================
+
+const MODULE_OPTIONS = [
+  { label: '全部模块', value: '' },
+  { label: '系统', value: 'SYSTEM' },
+  { label: 'AI问答', value: 'AIA' },
+  { label: '个人知识库', value: 'PKB' },
+  { label: '智能文献', value: 'ASL' },
+  { label: '数据清洗', value: 'DC' },
+  { label: '智能循证', value: 'RVW' },
+  { label: '智能IIT', value: 'IIT' },
+]
+
+const ACTION_OPTIONS = [
+  { label: '全部动作', value: '' },
+  { label: '登录', value: 'login' },
+  { label: '登出', value: 'logout' },
+  { label: '对话', value: 'chat' },
+  { label: '上传', value: 'upload' },
+  { label: '导出', value: 'export' },
+  { label: '创建', value: 'create' },
+  { label: '删除', value: 'delete' },
+  { label: '查看', value: 'view' },
+]
+
+const MODULE_ICONS: Record<string, React.ReactNode> = {
+  'SYSTEM': <LoginOutlined />,
+  'AIA': <MessageOutlined />,
+  'PKB': <BookOutlined />,
+  'ASL': <SearchOutlined />,
+  'DC': <FileTextOutlined />,
+  'RVW': <FileTextOutlined />,
+  'IIT': <SyncOutlined />,
+}
+
+const MODULE_COLORS: Record<string, string> = {
+  'SYSTEM': '#8c8c8c',
+  'AIA': '#1890ff',
+  'PKB': '#52c41a',
+  'ASL': '#722ed1',
+  'DC': '#fa8c16',
+  'RVW': '#eb2f96',
+  'IIT': '#13c2c2',
+}
+
+const ACTION_ICONS: Record<string, React.ReactNode> = {
+  'login': <LoginOutlined />,
+  'logout': <LoginOutlined />,
+  'chat': <MessageOutlined />,
+  'upload': <CloudUploadOutlined />,
+  'delete': <DeleteOutlined />,
+  'export': <FileTextOutlined />,
+  'create': <FileTextOutlined />,
+}
+
+// ==================== 组件 ====================
+
+export default function ActivityLogsPage() {
+  // 筛选状态
+  const [page, setPage] = useState(1)
+  const [pageSize, setPageSize] = useState(20)
+  const [dateRange, setDateRange] = useState<[Dayjs | null, Dayjs | null] | null>(null)
+  const [moduleFilter, setModuleFilter] = useState<string>('')
+  const [actionFilter, setActionFilter] = useState<string>('')
+  const [keyword, setKeyword] = useState<string>('')
+  const [searchKeyword, setSearchKeyword] = useState<string>('')
+
+  // 详情弹窗
+  const [detailVisible, setDetailVisible] = useState(false)
+  const [selectedLog, setSelectedLog] = useState<ActivityLog | null>(null)
+
+  // 构建查询参数
+  const queryParams = {
+    page,
+    pageSize,
+    startDate: dateRange?.[0]?.format('YYYY-MM-DD'),
+    endDate: dateRange?.[1]?.format('YYYY-MM-DD'),
+    module: moduleFilter || undefined,
+    action: actionFilter || undefined,
+    keyword: searchKeyword || undefined,
+  }
+
+  // 查询数据
+  const { data, isLoading, refetch } = useQuery({
+    queryKey: ['activityLogs', queryParams],
+    queryFn: () => fetchActivityLogs(queryParams),
+  })
+
+  // 处理分页变化
+  const handleTableChange = useCallback((pagination: TablePaginationConfig) => {
+    setPage(pagination.current || 1)
+    setPageSize(pagination.pageSize || 20)
+  }, [])
+
+  // 处理搜索
+  const handleSearch = useCallback(() => {
+    setSearchKeyword(keyword)
+    setPage(1) // 重置到第一页
+  }, [keyword])
+
+  // 清空筛选
+  const handleClearFilters = useCallback(() => {
+    setDateRange(null)
+    setModuleFilter('')
+    setActionFilter('')
+    setKeyword('')
+    setSearchKeyword('')
+    setPage(1)
+  }, [])
+
+  // 显示详情
+  const handleShowDetail = useCallback((log: ActivityLog) => {
+    setSelectedLog(log)
+    setDetailVisible(true)
+  }, [])
+
+  // 表格列定义
+  const columns: ColumnsType<ActivityLog> = [
+    {
+      title: '时间',
+      dataIndex: 'createdAt',
+      key: 'createdAt',
+      width: 170,
+      render: (val: string) => (
+        <Text style={{ fontSize: 13 }}>
+          {dayjs(val).format('YYYY-MM-DD HH:mm:ss')}
+        </Text>
+      ),
+    },
+    {
+      title: '租户',
+      dataIndex: 'tenantName',
+      key: 'tenantName',
+      width: 120,
+      ellipsis: true,
+      render: (val: string | null) => (
+        <Tooltip title={val}>
+          <Text style={{ fontSize: 13 }}>{val || '-'}</Text>
+        </Tooltip>
+      ),
+    },
+    {
+      title: '用户',
+      dataIndex: 'userName',
+      key: 'userName',
+      width: 100,
+      ellipsis: true,
+      render: (val: string | null) => (
+        <Tooltip title={val}>
+          <Text style={{ fontSize: 13 }}>{val || '-'}</Text>
+        </Tooltip>
+      ),
+    },
+    {
+      title: '模块',
+      dataIndex: 'module',
+      key: 'module',
+      width: 100,
+      render: (val: string) => (
+        <Tag 
+          icon={MODULE_ICONS[val]} 
+          color={MODULE_COLORS[val] || 'default'}
+        >
+          {val}
+        </Tag>
+      ),
+    },
+    {
+      title: '功能',
+      dataIndex: 'feature',
+      key: 'feature',
+      width: 120,
+      ellipsis: true,
+      render: (val: string) => (
+        <Tooltip title={val}>
+          <Text style={{ fontSize: 13 }}>{val}</Text>
+        </Tooltip>
+      ),
+    },
+    {
+      title: '动作',
+      dataIndex: 'action',
+      key: 'action',
+      width: 80,
+      render: (val: string) => (
+        <Space size={4}>
+          {ACTION_ICONS[val]}
+          <span style={{ fontSize: 13 }}>{val}</span>
+        </Space>
+      ),
+    },
+    {
+      title: '详情',
+      dataIndex: 'info',
+      key: 'info',
+      ellipsis: true,
+      render: (val: string | null) => (
+        <Tooltip title={val} placement="topLeft">
+          <Text 
+            style={{ fontSize: 13, color: '#666' }} 
+            ellipsis
+          >
+            {val || '-'}
+          </Text>
+        </Tooltip>
+      ),
+    },
+    {
+      title: '操作',
+      key: 'actions',
+      width: 70,
+      fixed: 'right',
+      render: (_, record) => (
+        <Button
+          type="link"
+          size="small"
+          icon={<EyeOutlined />}
+          onClick={() => handleShowDetail(record)}
+        >
+          查看
+        </Button>
+      ),
+    },
+  ]
+
+  return (
+    <div className="p-6">
+      {/* 页面标题 */}
+      <div className="mb-4">
+        <h2 className="text-xl font-semibold text-gray-800">运营日志</h2>
+        <p className="text-gray-500 text-sm mt-1">查看系统所有用户操作记录</p>
+      </div>
+
+      {/* 筛选区域 */}
+      <Card className="mb-4" size="small">
+        <div className="flex flex-wrap gap-3 items-center">
+          <Space>
+            <FilterOutlined />
+            <span className="text-gray-600">筛选：</span>
+          </Space>
+          
+          <RangePicker
+            value={dateRange}
+            onChange={(dates) => {
+              setDateRange(dates as [Dayjs | null, Dayjs | null])
+              setPage(1)
+            }}
+            placeholder={['开始日期', '结束日期']}
+            style={{ width: 240 }}
+          />
+          
+          <Select
+            value={moduleFilter}
+            onChange={(val) => {
+              setModuleFilter(val)
+              setPage(1)
+            }}
+            options={MODULE_OPTIONS}
+            style={{ width: 130 }}
+            placeholder="选择模块"
+          />
+          
+          <Select
+            value={actionFilter}
+            onChange={(val) => {
+              setActionFilter(val)
+              setPage(1)
+            }}
+            options={ACTION_OPTIONS}
+            style={{ width: 120 }}
+            placeholder="选择动作"
+          />
+          
+          <Input.Search
+            value={keyword}
+            onChange={(e) => setKeyword(e.target.value)}
+            onSearch={handleSearch}
+            placeholder="搜索用户/租户名称"
+            style={{ width: 200 }}
+            enterButton={<SearchOutlined />}
+          />
+          
+          <Button
+            icon={<ClearOutlined />}
+            onClick={handleClearFilters}
+          >
+            清空筛选
+          </Button>
+          
+          <Button
+            icon={<ReloadOutlined />}
+            onClick={() => refetch()}
+          >
+            刷新
+          </Button>
+        </div>
+      </Card>
+
+      {/* 数据表格 */}
+      <Card>
+        <Table
+          columns={columns}
+          dataSource={data?.data || []}
+          rowKey="id"
+          loading={isLoading}
+          scroll={{ x: 1100 }}
+          pagination={{
+            current: page,
+            pageSize: pageSize,
+            total: data?.pagination.total || 0,
+            showSizeChanger: true,
+            showQuickJumper: true,
+            showTotal: (total) => `共 ${total} 条记录`,
+            pageSizeOptions: ['10', '20', '50', '100'],
+          }}
+          onChange={handleTableChange}
+          size="middle"
+        />
+      </Card>
+
+      {/* 详情弹窗 */}
+      <Modal
+        title="日志详情"
+        open={detailVisible}
+        onCancel={() => setDetailVisible(false)}
+        footer={[
+          <Button key="close" onClick={() => setDetailVisible(false)}>
+            关闭
+          </Button>
+        ]}
+        width={600}
+      >
+        {selectedLog && (
+          <div className="space-y-3">
+            <div className="flex">
+              <span className="w-20 text-gray-500">时间：</span>
+              <span>{dayjs(selectedLog.createdAt).format('YYYY-MM-DD HH:mm:ss')}</span>
+            </div>
+            <div className="flex">
+              <span className="w-20 text-gray-500">租户：</span>
+              <span>{selectedLog.tenantName || '-'}</span>
+            </div>
+            <div className="flex">
+              <span className="w-20 text-gray-500">用户：</span>
+              <span>{selectedLog.userName || '-'}</span>
+            </div>
+            <div className="flex">
+              <span className="w-20 text-gray-500">模块：</span>
+              <Tag 
+                icon={MODULE_ICONS[selectedLog.module]} 
+                color={MODULE_COLORS[selectedLog.module] || 'default'}
+              >
+                {selectedLog.module}
+              </Tag>
+            </div>
+            <div className="flex">
+              <span className="w-20 text-gray-500">功能：</span>
+              <span>{selectedLog.feature}</span>
+            </div>
+            <div className="flex">
+              <span className="w-20 text-gray-500">动作：</span>
+              <span>{selectedLog.action}</span>
+            </div>
+            <div className="flex">
+              <span className="w-20 text-gray-500">详情：</span>
+              <Paragraph 
+                style={{ margin: 0, flex: 1 }}
+                ellipsis={{ rows: 5, expandable: true }}
+              >
+                {selectedLog.info || '-'}
+              </Paragraph>
+            </div>
+          </div>
+        )}
+      </Modal>
+    </div>
+  )
+}

frontend-v2/src/pages/admin/api/activityApi.ts

@@ -0,0 +1,73 @@
+/**
+ * 运营日志 API
+ * 
+ * @date 2026-01-28
+ */
+
+import apiClient from '../../../common/api/axios'
+
+// ==================== 类型定义 ====================
+
+export interface ActivityLog {
+  id: string
+  createdAt: string
+  tenantId: string
+  tenantName: string | null
+  userId: string
+  userName: string | null
+  module: string
+  feature: string
+  action: string
+  info: string | null
+}
+
+export interface Pagination {
+  page: number
+  pageSize: number
+  total: number
+  totalPages: number
+}
+
+export interface ActivityLogsResponse {
+  success: boolean
+  data: ActivityLog[]
+  pagination: Pagination
+}
+
+export interface ActivityLogsParams {
+  page?: number
+  pageSize?: number
+  startDate?: string
+  endDate?: string
+  module?: string
+  action?: string
+  keyword?: string
+}
+
+// ==================== API 函数 ====================
+
+/**
+ * 获取运营日志列表（分页）
+ */
+export async function fetchActivityLogs(params: ActivityLogsParams = {}): Promise<{
+  data: ActivityLog[]
+  pagination: Pagination
+}> {
+  const queryParams = new URLSearchParams()
+  
+  if (params.page) queryParams.append('page', String(params.page))
+  if (params.pageSize) queryParams.append('pageSize', String(params.pageSize))
+  if (params.startDate) queryParams.append('startDate', params.startDate)
+  if (params.endDate) queryParams.append('endDate', params.endDate)
+  if (params.module) queryParams.append('module', params.module)
+  if (params.action) queryParams.append('action', params.action)
+  if (params.keyword) queryParams.append('keyword', params.keyword)
+
+  const url = `/api/admin/stats/logs${queryParams.toString() ? '?' + queryParams.toString() : ''}`
+  const res = await apiClient.get<ActivityLogsResponse>(url)
+  
+  return {
+    data: res.data.data,
+    pagination: res.data.pagination,
+  }
+}