- Add grid system (row, col-*) to critical-bootstrap.css to prevent CLS
- Add text utilities, sizing, spacing, and alert component to critical CSS
- Enable CriticalBootstrapService to inline critical Bootstrap in <head>
- Defer bootstrap-subset.min.css (21KB) via media=print + onload
- Fix preload pointing to wrong Bootstrap file (was 227KB, now 147KB)
Expected improvement: ~970ms reduction in render-blocking CSS
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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