feat: V1 - DAG编排/告警系统/Agent循环/知识库RAG/Webhook + 审核管理富上下文修复

frontend/src/pages/Alerts.tsx

@@ -0,0 +1,107 @@
+import { useState, useEffect, useCallback } from 'react';
+import {
+  Card, Table, Button, Tag, Space, message, Badge, Empty, Typography,
+} from 'antd';
+import {
+  BellOutlined, CheckOutlined, ReloadOutlined,
+} from '@ant-design/icons';
+import { alertApi } from '@/api';
+import type { Alert } from '@/types';
+import dayjs from 'dayjs';
+
+const { Text } = Typography;
+
+const severityConfig: Record<string, { label: string; color: string; badge: string }> = {
+  critical: { label: '严重', color: 'red', badge: 'error' },
+  warning: { label: '警告', color: 'orange', badge: 'warning' },
+  info: { label: '通知', color: 'blue', badge: 'processing' },
+};
+
+const alertTypeConfig: Record<string, string> = {
+  budget_warning: '预算警告',
+  budget_exceeded: '预算超限',
+  task_failed: '任务失败',
+  worker_offline: 'Worker离线',
+};
+
+export default function Alerts() {
+  const [alerts, setAlerts] = useState<Alert[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [filter, setFilter] = useState<string>('all'); // all, unread, read
+
+  const loadData = useCallback(() => {
+    setLoading(true);
+    const isRead = filter === 'unread' ? false : filter === 'read' ? true : undefined;
+    alertApi.list(isRead).then(setAlerts).catch(() => {}).finally(() => setLoading(false));
+  }, [filter]);
+
+  useEffect(() => { loadData(); }, [loadData]);
+
+  const handleMarkRead = async (id: number) => {
+    try {
+      await alertApi.markRead(id);
+      message.success('已标记为已读');
+      loadData();
+    } catch { message.error('操作失败'); }
+  };
+
+  const columns = [
+    {
+      title: '级别', dataIndex: 'severity', key: 'severity', width: 80,
+      render: (s: string) => {
+        const cfg = severityConfig[s] || { label: s, color: 'default', badge: 'default' };
+        return <Badge status={cfg.badge as any} text={cfg.label} />;
+      },
+    },
+    {
+      title: '类型', dataIndex: 'alert_type', key: 'alert_type', width: 120,
+      render: (t: string, r: Alert) => <Tag color={severityConfig[r.severity]?.color || 'default'}>{alertTypeConfig[t] || t}</Tag>,
+    },
+    {
+      title: '消息', dataIndex: 'message', key: 'message',
+      render: (m: string) => <Text style={{ whiteSpace: 'pre-wrap' }}>{m}</Text>,
+    },
+    {
+      title: '时间', dataIndex: 'created_at', key: 'created_at', width: 160,
+      render: (t: string) => <Text style={{ fontSize: 12 }}>{dayjs(t).format('MM-DD HH:mm:ss')}</Text>,
+    },
+    {
+      title: '状态', dataIndex: 'is_read', key: 'is_read', width: 80,
+      render: (r: boolean) => r ? <Text type="secondary">已读</Text> : <Tag color="orange">未读</Tag>,
+    },
+    {
+      title: '操作', key: 'action', width: 80,
+      render: (_: any, r: Alert) => r.is_read ? null : (
+        <Button size="small" icon={<CheckOutlined />} onClick={() => handleMarkRead(r.id)}>已读</Button>
+      ),
+    },
+  ];
+
+  const filterButtons = [
+    { key: 'all', label: '全部' },
+    { key: 'unread', label: '未读' },
+    { key: 'read', label: '已读' },
+  ];
+
+  return (
+    <div>
+      <Card
+        title={<Space><BellOutlined /> 告警中心</Space>}
+        extra={
+          <Space>
+            {filterButtons.map(f => (
+              <Button key={f.key} type={filter === f.key ? 'primary' : 'default'} onClick={() => setFilter(f.key)}>{f.label}</Button>
+            ))}
+            <Button icon={<ReloadOutlined />} onClick={loadData} />
+          </Space>
+        }
+      >
+        {alerts.length === 0 && !loading ? (
+          <Empty description="暂无告警记录" />
+        ) : (
+          <Table columns={columns} dataSource={alerts} rowKey="id" loading={loading} pagination={{ pageSize: 15 }} />
+        )}
+      </Card>
+    </div>
+  );
+}