Fix dogfood QA: 404, content hygiene, grid UX, a11y, CTAs
- Add branded NotFound catch-all (no more blank unknown routes)
- Portfolio cards: shimmer skeleton, eager first-row thumbs, real alts
- Hide empty categories; rename CAD view slug to avoid collision
- Resume summary preserves paragraphs/bullets
- Home/About/footer hire contact mailto CTA
- Sticky header scroll-padding; chip aria-labels
- Security headers; Flickr import strip View On Black + junk tags
- Content cleanup script for grammar, residue, tags, featured
jmartin
a2cec1baf1