🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
- useFirstScreenMetrics: 用 performanceMonitor.mark/measure 替换手动时间计算 - useSkeletonTiming: 用 usePerformanceMark Hook 重构,支持自定义前缀 - 所有性能数据统一到 performanceMonitor,可通过 generateReport() 查看 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>