- index.js: 添加 html-loaded 标记(T0 监控点) - performanceMonitor.ts: 调用 reportPerformanceMetrics 上报到 PostHog - 现在完整监控 T0-T5 全部阶段并上报性能指标 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>