feat: tech-stack demo panels and shiki fix#26

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Ring-wdr merged 4 commits intomainfrom

feat/tech-stack-expertise-showcase

Mar 27, 2026

Commits on Mar 24, 2026

Show tech-stack growth through meaningful expertise demos
Ring-wdr
committed
feat: add per-category demo panels and update code blocks to React 19 / Next.js 16

Ring-wdr
and
claude
committed

Commits on Mar 26, 2026

fix: singletone shiki
Ring-wdr
committed

Commits on Mar 27, 2026

fix: disambiguate duplicate selectors in tech-stack tests

김만중
and
claude
committed