refactor(FinancialPanorama): 重构为 7+3 Tab 架构

- 财务指标拆分为 7 个分类 Tab（盈利/每股/成长/运营/偿债/费用/现金流）
- 保留 3 大报表 Tab（资产负债表/利润表/现金流量表）
- 新增 KeyMetricsOverview 关键指标速览组件
- 新增 FinancialTable 通用表格组件
- Hook 支持按 Tab 独立刷新数据
- PeriodSelector 整合到 SubTabContainer 右侧
- 删除废弃的 OverviewTab/MainBusinessTab

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

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

src/views/Company/components/FinancialPanorama/tabs/FinancialMetricsTab.tsx

@@ -0,0 +1,45 @@
+/**
+ * 财务指标 Tab
+ */
+
+import React from 'react';
+import { FinancialMetricsTable } from '../components';
+import type { FinancialMetricsData } from '../types';
+
+export interface FinancialMetricsTabProps {
+  financialMetrics: FinancialMetricsData[];
+  showMetricChart: (name: string, key: string, data: unknown[], path: string) => void;
+  calculateYoYChange: (value: number, period: string, data: unknown[], path: string) => { change: number; intensity: number };
+  getCellBackground: (change: number, intensity: number) => string;
+  positiveColor: string;
+  negativeColor: string;
+  bgColor: string;
+  hoverBg: string;
+}
+
+const FinancialMetricsTab: React.FC<FinancialMetricsTabProps> = ({
+  financialMetrics,
+  showMetricChart,
+  calculateYoYChange,
+  getCellBackground,
+  positiveColor,
+  negativeColor,
+  bgColor,
+  hoverBg,
+}) => {
+  const tableProps = {
+    showMetricChart,
+    calculateYoYChange,
+    getCellBackground,
+    positiveColor,
+    negativeColor,
+    bgColor,
+    hoverBg,
+  };
+
+  return (
+    <FinancialMetricsTable data={financialMetrics} {...tableProps} />
+  );
+};
+
+export default FinancialMetricsTab;