preflight

name	preflight
description	Pre-deploy checklist. Run before pushing to production.

Verify each item. Report pass/fail for each:

1. pnpm build succeeds without errors
2. pnpm typecheck passes
3. pnpm lint passes
4. Every page has: title, meta description, canonical URL, OG tags
5. No <img> tags — all images use <Image> or <Picture>
6. 404.astro and 500.astro exist and render correctly
7. Heading hierarchy is correct (h1→h2→h3, no skips) on every page
8. Skip-link is the first focusable element
9. No console.log or debug output in production code
10. .env.example is up to date with all required variables
11. sitemap-index.xml is generated and contains all public pages
12. RSS feed validates (if blog collection has posts)
13. All links are relative or use Astro.site — no hardcoded domains
14. robots.txt references the correct sitemap URL