perf: Tab 容器组件优化

- TabPanelContainer: Loading 颜色改为金色 #D4AF37，与黑金主题一致
- SubTabContainer: 添加 memo 和 displayName
- 子 Tab 组件: StrategyTab/BusinessTab/ValueChainTab/DevelopmentTab 添加 memo 和 displayName
- TabContainer: 移除未使用的 showDivider 参数

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

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

src/components/TabPanelContainer/index.tsx

@@ -49,7 +49,7 @@ const LoadingState: React.FC<{ message: string; height: string }> = ({
 }) => (
   <Center h={height}>
     <VStack spacing={3}>
-      <Spinner size="lg" color="blue.500" thickness="3px" />
+      <Spinner size="lg" color="#D4AF37" thickness="3px" />
       <Text fontSize="sm" color="gray.500">
         {message}
       </Text>