Ryan Walters e632e69b91 feat: migrate from React to Preact, add Vitest testing, and optimize bundle ...

Major framework and tooling changes:
- Migrate from React 19 to Preact 10 with preact-iso for routing
- Replace @mantine/hooks with custom hooks (useBooleanToggle, useViewportSize)
- Switch from @heroicons/react to lucide-preact for icons
- Replace chance.js with random-js for RNG

Testing infrastructure:
- Add Vitest with @testing-library/preact and happy-dom
- Set up test configuration and initial App tests
- Add Vitest UI for interactive test running

Build optimizations:
- Add cssnano for CSS minification
- Configure aggressive bundle optimizations in Vite
- Update to Tailwind CSS 4.1.17

Project structure:
- Consolidate entry point from main.tsx to index.tsx
- Reorganize CSS location (styles/index.css → index.css)
- Add ESLint with preact config
- Update TypeScript configuration for Preact

2025-11-06 21:56:53 -06:00

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