Eric Gullickson 1288a4fb7d Complete Phase 2: React 19 Foundation upgrade ...

✅ PHASE 2 COMPLETED - React 19 Foundation established

## Successful Upgrades
- React: 18.2.0 → 19.1.1
- @mui/material: 5.15.0 → 6.0.0
- react-router-dom: 6.20.0 → 7.0.0
- framer-motion: 10.16.16 → 11.0.0
- @testing-library/react: 14.1.2 → 16.0.0
- @types/react: 18.2.42 → 19.0.0

## Build Performance
- Bundle size: 995KB (63KB increase from React 18 baseline)
- Build time: 23.7s (comparable to React 18 baseline)
- TypeScript compilation: ✅ PASSING
- Docker containers: ✅ REBUILT & TESTED

## System Status
- Frontend: ✅ Serving at localhost:3000
- Backend: ✅ Health endpoint responding
- Development environment: ✅ FULLY OPERATIONAL
- All core functionality preserved

## Ready for Phase 3
- React Compiler integration prepared
- Performance baseline established for comparison
- Docker-first development workflow maintained

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

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..

src

Very minimal MVP

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.env.example

MVP Build

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.gitignore

MVP Build

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Dockerfile

Fix container build

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Dockerfile.dev

MVP Build

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eslint.config.js

MVP Build

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index.html

MVP Build

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nginx.conf

MVP Build

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package.json

Complete Phase 2: React 19 Foundation upgrade

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postcss.config.js

MVP Build

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tailwind.config.js

MVP with new UX

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tsconfig.json

MVP Build

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tsconfig.node.json

MVP Build

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vite.config.ts

MVP Build

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