perf(DynamicTracking): 子面板支持延迟加载和骨架屏

- ForecastPanel/NewsPanel 接收 isActive 和 activationKey 控制数据加载
- 使用骨架屏替代 Spinner 加载状态
- Tab 切换时自动刷新数据

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/Company/components/DynamicTracking/components/DynamicTrackingNavSkeleton.tsx

@@ -0,0 +1,158 @@
+/**
+ * 动态跟踪 - 导航骨架屏组件
+ *
+ * 用于懒加载时显示，让二级导航立即可见
+ * 导航使用真实 UI，内容区域显示骨架屏
+ */
+
+import React from 'react';
+import {
+  Box,
+  Flex,
+  HStack,
+  Text,
+  Icon,
+  Skeleton,
+  VStack,
+  Card,
+  CardBody,
+} from '@chakra-ui/react';
+import { FaNewspaper, FaBullhorn, FaCalendarAlt, FaChartBar } from 'react-icons/fa';
+
+// 深空 FUI 主题配置（与 SubTabContainer 保持一致）
+const DEEP_SPACE = {
+  bgGlass: 'rgba(12, 14, 28, 0.6)',
+  borderGold: 'rgba(212, 175, 55, 0.2)',
+  borderGoldHover: 'rgba(212, 175, 55, 0.5)',
+  glowGold: '0 0 30px rgba(212, 175, 55, 0.25), 0 4px 20px rgba(0, 0, 0, 0.3)',
+  innerGlow: 'inset 0 1px 0 rgba(255, 255, 255, 0.08)',
+  textWhite: 'rgba(255, 255, 255, 0.95)',
+  textDark: '#0A0A14',
+  selectedBg: 'linear-gradient(135deg, rgba(212, 175, 55, 0.95) 0%, rgba(184, 150, 12, 0.95) 100%)',
+  radius: '12px',
+  radiusLG: '16px',
+};
+
+// 导航配置（与主组件保持同步）
+const TRACKING_TABS = [
+  { key: 'news', name: '新闻动态', icon: FaNewspaper },
+  { key: 'announcements', name: '公司公告', icon: FaBullhorn },
+  { key: 'disclosure', name: '财报披露日程', icon: FaCalendarAlt },
+  { key: 'forecast', name: '业绩预告', icon: FaChartBar },
+];
+
+/**
+ * 新闻动态内容骨架屏
+ */
+const NewsContentSkeleton: React.FC = () => (
+  <VStack spacing={3} align="stretch" p={4}>
+    {[1, 2, 3, 4, 5].map((i) => (
+      <Card key={i} bg="gray.900" border="1px solid" borderColor="rgba(212, 175, 55, 0.2)">
+        <CardBody py={3} px={4}>
+          <HStack spacing={3}>
+            <Skeleton height="40px" width="40px" borderRadius="md" startColor="gray.700" endColor="gray.600" />
+            <VStack align="start" flex={1} spacing={2}>
+              <Skeleton height="16px" width="80%" startColor="gray.700" endColor="gray.600" />
+              <Skeleton height="12px" width="40%" startColor="gray.700" endColor="gray.600" />
+            </VStack>
+          </HStack>
+        </CardBody>
+      </Card>
+    ))}
+  </VStack>
+);
+
+/**
+ * DynamicTracking 导航骨架屏
+ *
+ * 显示真实的导航 Tab（默认选中第一个），内容区域显示骨架屏
+ */
+const DynamicTrackingNavSkeleton: React.FC = () => {
+  return (
+    <Box>
+      {/* 导航栏容器 */}
+      <Flex
+        bg={DEEP_SPACE.bgGlass}
+        backdropFilter="blur(20px)"
+        borderBottom="1px solid"
+        borderColor={DEEP_SPACE.borderGold}
+        borderRadius={DEEP_SPACE.radiusLG}
+        mx={2}
+        mb={2}
+        position="relative"
+        boxShadow={DEEP_SPACE.innerGlow}
+        alignItems="center"
+      >
+        {/* 顶部金色光条 */}
+        <Box
+          position="absolute"
+          top={0}
+          left="50%"
+          transform="translateX(-50%)"
+          width="50%"
+          height="1px"
+          background="linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.4), transparent)"
+        />
+
+        {/* Tab 列表 */}
+        <Box
+          flex="1"
+          minW={0}
+          overflowX="auto"
+          css={{
+            '&::-webkit-scrollbar': { display: 'none' },
+            scrollbarWidth: 'none',
+          }}
+        >
+          <HStack
+            border="none"
+            px={3}
+            py={2}
+            flexWrap="nowrap"
+            gap={1.5}
+          >
+            {TRACKING_TABS.map((tab, idx) => {
+              const isSelected = idx === 0;
+
+              return (
+                <Box
+                  key={tab.key}
+                  color={isSelected ? DEEP_SPACE.textDark : DEEP_SPACE.textWhite}
+                  borderRadius={DEEP_SPACE.radius}
+                  px={4}
+                  py={2}
+                  fontSize="13px"
+                  fontWeight={isSelected ? '700' : '500'}
+                  whiteSpace="nowrap"
+                  flexShrink={0}
+                  border="1px solid"
+                  borderColor={isSelected ? DEEP_SPACE.borderGoldHover : 'transparent'}
+                  position="relative"
+                  letterSpacing="0.03em"
+                  bg={isSelected ? DEEP_SPACE.selectedBg : 'transparent'}
+                  boxShadow={isSelected ? DEEP_SPACE.glowGold : 'none'}
+                  transform={isSelected ? 'translateY(-2px)' : 'none'}
+                  cursor="default"
+                >
+                  <HStack spacing={1.5}>
+                    <Icon
+                      as={tab.icon}
+                      boxSize={3.5}
+                      opacity={isSelected ? 1 : 0.7}
+                    />
+                    <Text>{tab.name}</Text>
+                  </HStack>
+                </Box>
+              );
+            })}
+          </HStack>
+        </Box>
+      </Flex>
+
+      {/* 内容区域骨架屏 */}
+      <NewsContentSkeleton />
+    </Box>
+  );
+};
+
+export default DynamicTrackingNavSkeleton;

src/views/Company/components/DynamicTracking/components/ForecastPanel.js

@@ -7,9 +7,9 @@ import {
   Box,
   Flex,
   Text,
-  Spinner,
   Center,
 } from '@chakra-ui/react';
+import { ForecastPanelSkeleton } from './DynamicTrackingSkeleton';
 import { Tag } from 'antd';
 import { logger } from '@utils/logger';
 import axios from '@utils/axiosConfig';
@@ -42,9 +42,17 @@ const getForecastTypeStyle = (type) => {
   return styles[type] || { color: THEME.gold, bg: THEME.goldLight, border: THEME.goldBorder };
 };
 
-const ForecastPanel = ({ stockCode }) => {
+/**
+ * 业绩预告面板
+ * @param {Object} props
+ * @param {string} props.stockCode - 股票代码
+ * @param {boolean} props.isActive - SubTabContainer 传递的激活状态，控制是否加载数据
+ * @param {number} props.activationKey - 激活次数，变化时触发重新请求
+ */
+const ForecastPanel = ({ stockCode, isActive = true, activationKey }) => {
   const [forecast, setForecast] = useState(null);
-  const [loading, setLoading] = useState(false);
+  // 智能初始化 loading：当需要加载数据时，初始值为 true，避免首次渲染闪现空状态
+  const [loading, setLoading] = useState(() => isActive && !!stockCode);
 
   const loadForecast = useCallback(async () => {
     if (!stockCode) return;
@@ -65,16 +73,15 @@ const ForecastPanel = ({ stockCode }) => {
     }
   }, [stockCode]);
 
+  // 加载数据 - activationKey 变化时也会触发重新请求（实现切换刷新）
   useEffect(() => {
+    if (isActive) {
       loadForecast();
-  }, [loadForecast]);
+    }
+  }, [isActive, activationKey, loadForecast]);
 
   if (loading) {
-    return (
+    return <ForecastPanelSkeleton />;
-      <Center py={10}>
-        <Spinner size="lg" color={THEME.gold} />
-      </Center>
-    );
   }
 
   if (!forecast?.forecasts?.length) {

src/views/Company/components/DynamicTracking/components/NewsPanel.js

@@ -6,9 +6,17 @@ import { logger } from '@utils/logger';
 import axios from '@utils/axiosConfig';
 import NewsEventsTab from '../NewsEventsTab';
 
-const NewsPanel = ({ stockCode }) => {
+/**
+ * 新闻动态面板
+ * @param {Object} props
+ * @param {string} props.stockCode - 股票代码
+ * @param {boolean} props.isActive - SubTabContainer 传递的激活状态，控制是否加载数据
+ * @param {number} props.activationKey - 激活次数，变化时触发重新请求
+ */
+const NewsPanel = ({ stockCode, isActive = true, activationKey }) => {
   const [newsEvents, setNewsEvents] = useState([]);
-  const [loading, setLoading] = useState(false);
+  // 智能初始化 loading：当需要加载数据时，初始值为 true，避免首次渲染闪现空状态
+  const [loading, setLoading] = useState(() => isActive && !!stockCode);
   const [pagination, setPagination] = useState({
     page: 1,
     per_page: 10,
@@ -53,12 +61,12 @@ const NewsPanel = ({ stockCode }) => {
     [stockCode]
   );
 
-  // 首次加载 - 直接用股票代码搜索
+  // 加载数据 - activationKey 变化时也会触发重新请求（实现切换刷新）
   useEffect(() => {
-    if (stockCode) {
+    if (isActive && stockCode) {
       loadNewsEvents(null, 1);
     }
-  }, [stockCode, loadNewsEvents]);
+  }, [stockCode, isActive, activationKey, loadNewsEvents]);
 
   // 搜索处理
   const handleSearchChange = (value) => {

src/views/Company/components/DynamicTracking/index.js

@@ -3,7 +3,7 @@
 // 优化：子组件懒加载，骨架屏即时反馈
 
 import React, { useState, useEffect, useMemo, useCallback, memo, lazy } from 'react';
-import { Box } from '@chakra-ui/react';
+import { Card, CardBody } from '@chakra-ui/react';
 import { FaNewspaper, FaBullhorn, FaCalendarAlt, FaChartBar } from 'react-icons/fa';
 
 import SubTabContainer from '@components/SubTabContainer';
@@ -92,7 +92,8 @@ const DynamicTracking = memo(({ stockCode: propStockCode }) => {
   }, []);
 
   return (
-    <Box>
+    <Card bg="gray.900" shadow="md" border="1px solid" borderColor="rgba(212, 175, 55, 0.3)">
+      <CardBody p={0}>
         <SubTabContainer
           tabs={TRACKING_TABS}
           componentProps={componentProps}
@@ -102,7 +103,8 @@ const DynamicTracking = memo(({ stockCode: propStockCode }) => {
           isLazy
           size="sm"
         />
-    </Box>
+      </CardBody>
+    </Card>
   );
 });