- Remove fonts/material-symbols-outlined.woff2 (4MB external font eliminated)
- Inline 38 Material Symbols as SVG paths (extracted to icon-paths.json)
- Convert 5 Google-hosted images to self-hosted WebP
- Add favicon.svg (adaptive auto_awesome icon, light + dark)
- Add scrollbar-gutter: stable + body.modal-open to prevent modal jumps
- Clean up preload links to fonts no longer used
Net reduction: ~3.9MB external dependencies, zero CLS on icon swap
