--- name: code-best-practices description: Standards for HTML/CSS/JS generated for pages.lugui.ai — semantic markup, basic accessibility, self-contained (no untrusted external deps), CSP-friendly, and no inline secrets. Use when writing or reviewing HTML pages to be published. --- # Code best practices for published pages These pages are **public, static, single-file HTML** served from `pages.lugui.ai` via CloudFront. Optimize for: loads anywhere, no broken external dependencies, accessible, and safe to expose. ## Hard rules 1. **Single self-contained file.** Inline CSS in `