feat(ForecastReport): 添加盈利预测骨架屏

- 创建 ForecastSkeleton 组件（图表卡片 + 表格）
- 初始加载时显示骨架屏

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

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

src/views/Company/components/ForecastReport/index.tsx

@@ -11,16 +11,16 @@ import {
   EpsChart,
   PePegChart,
   DetailTable,
+  ForecastSkeleton,
 } from './components';
-import LoadingState from '../LoadingState';
 import type { ForecastReportProps } from './types';
 
 const ForecastReport: React.FC<ForecastReportProps> = ({ stockCode }) => {
   const { data, isLoading, error, refetch } = useForecastData(stockCode);
 
-  // 加载状态
+  // 加载状态 - 显示骨架屏
   if (isLoading && !data) {
-    return <LoadingState message="加载盈利预测数据中..." height="300px" />;
+    return <ForecastSkeleton />;
   }
 
   // 错误状态