- Replace eslint and its plugins with oxlint, add .oxlintrc.json
- Add type-check and check scripts, drop deploy and predeploy
- Remove the GitHub Pages deploy workflow
- Move dayjs setup to src/lib and export the configured instance
- Bump React to 19.3, Vite to 8.3, Tailwind to 4.3 and other deps
- Reformat the contact page with prettier