Research: React Native + React selected for mobile and web
- Completed mobile-first platform strategy research - React Native selected for iOS and Android mobile apps - React selected for web companion app - 70-80% code sharing between mobile and web - Excellent health sensor integration (HealthKit, Health Connect) - QR scanning, encryption, and background sync support - Created comprehensive frontend research documentation - Updated README with platform strategy - Updated tech stack decisions Key advantages: - Single language (TypeScript) reduces development cost - 70-80% code sharing between mobile and web - Excellent health sensor integration - Great chart visualization for web companion - Faster time to market Next: State management research (Redux vs Zustand)
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44
README.md
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README.md
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@ -11,22 +11,32 @@ To record as many variables related to health as possible, store them in a secur
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## Technology Stack
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## Technology Stack
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### Backend
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### Backend
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- Framework: Axum 0.7.x
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- **Framework**: Axum 0.7.x
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- Runtime: Tokio 1.x
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- **Runtime**: Tokio 1.x
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- Middleware: Tower, Tower-HTTP
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- **Middleware**: Tower, Tower-HTTP
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- Database: MongoDB (with zero-knowledge encryption)
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- **Database**: MongoDB (with zero-knowledge encryption)
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- Language: Rust
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- **Language**: Rust
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### Frontend
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### Mobile (iOS + Android)
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- TBD (Research in progress)
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- **Framework**: React Native 0.73+
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- **Language**: TypeScript
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- **Health Sensors**: react-native-health, react-native-google-fit
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- **Encryption**: react-native-quick-crypto
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### Mobile
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### Web
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- iOS: TBD
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- **Framework**: React 18+
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- Android: TBD
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- **Language**: TypeScript
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- **Charts**: Recharts
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### Deployment
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### Deployment
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- Docker on Linux
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- Docker on Linux
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## Platform Strategy
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**Primary: Mobile Apps** - Daily health tracking, sensor integration, QR scanning, push notifications
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**Secondary: Web Browser** - Extensive reporting, visualization, profile management
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## Key Features
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## Key Features
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- Zero-knowledge encryption
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- Zero-knowledge encryption
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- Family structure management
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- Family structure management
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- Secure sharing with expiring links
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- Secure sharing with expiring links
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- Mobile apps with health sensor integration
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- Mobile apps with health sensor integration
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- Web interface
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- Web interface for complex visualizations
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## Security Model
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## Security Model
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@ -59,15 +69,17 @@ Phase: Planning/Documentation
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- Security architecture design
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- Security architecture design
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- Encryption implementation guide
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- Encryption implementation guide
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- Git repository initialization
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- Git repository initialization
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- Rust framework selection: Axum
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- **Rust framework selection: Axum**
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- **Mobile/Web framework selection: React Native + React**
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### Next Steps
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### Next Steps
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- Research frontend framework (React vs Vue vs Svelte)
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- State management research (Redux vs Zustand)
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- Design authentication system (JWT with recovery phrases)
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- Authentication system design (JWT with recovery phrases)
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- Design database schema
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- Database schema design
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- Create proof-of-concept with Axum
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- Create proof-of-concept with Axum
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- Implement basic CRUD API
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- Implement basic CRUD API
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- Build web frontend
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- Build mobile apps with health sensor integration
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- Build web companion app
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- Add encryption layer
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- Add encryption layer
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- Implement sharing functionality
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- Implement sharing functionality
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147
thoughts/research/2026-02-14-frontend-decision-summary.md
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thoughts/research/2026-02-14-frontend-decision-summary.md
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# Frontend Framework Decision Summary
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**Date**: 2026-02-14
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**Decision**: **React Native + React**
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---
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## Platform Strategy
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### Primary: Mobile Apps (iOS + Android)
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- Daily health tracking and data entry
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- Health sensor integration (HealthKit, Health Connect)
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- QR code scanning (lab results)
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- Push notifications (reminders)
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- Background sync
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### Secondary: Web Browser
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- Complex data visualization and charts
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- Historical trend analysis
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- Profile and family management
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- Extensive reporting
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---
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## Framework Decision: React Native + React
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| Criteria | React Native + React | Flutter | Native |
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|----------|---------------------|----------|--------|
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| Code Sharing | 70-80% | 0% | 0% |
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| Development Cost | Low | Medium | High |
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| Time to Market | Fast | Medium | Slow |
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| Health Sensors | ✅ Excellent | ✅ Excellent | ✅ Excellent |
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| QR Scanning | ✅ Excellent | ✅ Excellent | ✅ Excellent |
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| Performance | Good | Excellent | Excellent |
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| Team Skills | JS/TS only | Dart + JS | Swift + Kotlin + JS |
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| Ecosystem | Largest | Large | Native |
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---
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## Key Advantages
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### 1. Code Sharing (70-80%)
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- Business logic: State, API, encryption
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- Data validation: Zod schemas
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- Date handling: date-fns
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- Utilities: Monorepo shared package
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### 2. Health Sensors
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- iOS: react-native-health (HealthKit)
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- Android: react-native-google-fit (Health Connect)
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- Background sensor data collection
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### 3. Encryption
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- react-native-quick-crypto
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- AES-256-GCM, PBKDF2
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- Secure key storage (Keychain/Keystore)
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- Web Crypto API compatible
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### 4. QR Scanning
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- react-native-camera
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- Fast, accurate scanning
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### 5. Web Charts
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- Recharts (React)
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- Beautiful, interactive visualizations
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- Perfect for health data
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### 6. Team & Cost
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- Single language: JavaScript/TypeScript
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- Single ecosystem: npm
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- Lower development cost
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- Faster time to market
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---
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## Technology Stack
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### Mobile (React Native)
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- Framework: React Native 0.73+
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- Language: TypeScript
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- Health: react-native-health, react-native-google-fit
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- Camera: react-native-camera
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- Encryption: react-native-quick-crypto
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- HTTP: Axios
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### Web (React)
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- Framework: React 18+
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- Language: TypeScript
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- Charts: Recharts
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- HTTP: Axios
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- UI: Tailwind CSS / Chakra UI
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### Shared (Monorepo)
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- Language: TypeScript
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- State: Redux/Zustand (TBD)
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- API: Axios
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- Encryption: AES-256-GCM, PBKDF2
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- Validation: Zod
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- Date: date-fns
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---
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## Implementation Timeline
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### Phase 1: Mobile MVP (8-12 weeks)
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- Setup React Native project
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- Integrate HealthKit and Health Connect
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- Implement encryption
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- Build core UI
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- Test QR scanning
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- Background sync
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### Phase 2: Web Companion (4-6 weeks)
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- Setup React project
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- Share business logic
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- Build charts
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- Profile management UI
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### Phase 3: Polish & Launch (4-6 weeks)
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- Performance optimization
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- Security audit
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- App store submission
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- Beta launch
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---
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## Next Steps
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1. ✅ Mobile Framework: React Native
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2. ⏭️ State Management: Redux vs Zustand
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3. ⏭️ Database Schema Design
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4. ⏭️ Create Health Sensor POC
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5. ⏭️ Implement Authentication
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---
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## Conclusion
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**React Native + React** is optimal for Normogen:
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- 70-80% code sharing reduces development cost
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- Excellent health sensor integration
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- Single language (JavaScript/TypeScript)
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- Great chart visualization for web
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- Faster time to market
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**Decision**: Use **React Native** for mobile (iOS + Android) and **React** for web companion app.
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681
thoughts/research/2026-02-14-frontend-mobile-research.md
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681
thoughts/research/2026-02-14-frontend-mobile-research.md
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# Frontend Framework Research: Mobile-First Approach
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**Date**: 2026-02-14
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**Focus**: Mobile-first health platform with web companion app
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---
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## Platform Strategy Clarification
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### Primary Platform: Mobile Apps (iOS & Android)
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- **Main interaction**: Quick data entry, sensor integration, daily health tracking
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- **Health sensors**: Apple HealthKit, Google Health Connect
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- **Use cases**:
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- Quick health data entry (weight, steps, mood)
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- Medication reminders and tracking
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- QR code scanning (lab results)
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- Real-time health sensor data (steps, heart rate, sleep)
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- Push notifications for reminders
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- Background sync with server
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- "Nuke option" (instant data deletion)
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### Secondary Platform: Web Browser
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- **Complementary role**: Extensive reporting, visualization, profile management
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- **Use cases**:
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- Complex data visualization and charts
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- Historical trend analysis
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- Comprehensive profile management
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- Family structure management
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- Extensive reporting and data export
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- Detailed configuration settings
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- Desktop/laptop user preference
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---
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## Mobile Development Options
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### 1. React Native
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**Description**: Facebook's cross-platform framework using React/JavaScript
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**Pros for Normogen**:
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- **Code sharing**: Share logic with web frontend (React)
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- **Large ecosystem**: Extensive library ecosystem
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- **Health integration**:
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- React Native Health (Apple HealthKit)
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- Google Health Connect integration
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- **QR code scanning**: react-native-camera, react-native-qrcode-scanner
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- **Encryption**: Native crypto libraries available
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- **Community**: Largest cross-platform mobile community
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- **Performance**: Good enough for health data apps
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**Cons**:
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- Performance overhead compared to native
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- Larger app bundle size
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- Potential dependency issues (npm chaos)
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- JavaScript engine overhead
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**Health Sensor Integration**:
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- iOS: [react-native-health](https://github.com/anthonyecamps/react-native-health)
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- Android: [react-native-google-fit](https://github.com/StasDoskalenko/react-native-google-fit)
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- Background location/sensors: [react-native-background-job](https://github.com/jamesisaac/react-native-background-job)
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**Code Sharing Potential**:
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- Business logic: 70-80% shared with web
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- State management: 90%+ shared
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- API client: 100% shared
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- Encryption: 100% shared
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- UI components: 0% (separate native UI)
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---
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### 2. Flutter
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**Description**: Google's cross-platform framework using Dart
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**Pros for Normogen**:
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- **Excellent performance**: Compiled to native ARM64
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- **Small app bundle**: Smaller than React Native
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- **Hot reload**: Fast development iteration
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- **Health integration**:
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- health (Apple HealthKit, Google Health Connect)
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- Provides unified API for both platforms
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- **Beautiful UI**: Material Design and Cupertino widgets
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- **Stable**: Mature and production-ready
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- **Single codebase**: Better platform parity
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**Cons**:
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- **No code sharing** with web frontend
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- Dart learning curve (if team only knows JavaScript)
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- Smaller ecosystem than React Native
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- Less flexibility for native modules
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**Health Sensor Integration**:
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- [health](https://pub.dev/packages/health) - Apple HealthKit + Google Health Connect
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- Unified API for both platforms
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- Background task support
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- Step counting, heart rate, sleep tracking
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**Code Sharing Potential**:
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- Business logic: 0% (Dart vs JavaScript)
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- API client: 0% (must rewrite)
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- Encryption: 0% (must rewrite)
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- UI components: 0% (separate UI framework)
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---
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### 3. Native (Swift + Kotlin)
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**Description**: Separate native apps for iOS and Android
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**Pros for Normogen**:
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- **Best performance**: Native ARM64 code
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- **Best sensor integration**: Direct platform APIs
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- **Best user experience**: Platform-native feel
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- **Smallest app bundle**: No framework overhead
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- **Swift**: Native crypto libraries (CryptoKit)
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- **Kotlin**: Native crypto libraries
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**Cons**:
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- **Double development cost**: Separate codebases
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- **No code sharing**: 0% code sharing between platforms
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- **Longer time to market**: Two separate implementations
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- **Higher maintenance**: Two codebases to maintain
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- **Team skill requirements**: Swift + Kotlin + JavaScript (for web)
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**Health Sensor Integration**:
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- iOS: HealthKit (native, best integration)
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- Android: Google Health Connect (native)
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- Background tasks: Native support
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**Code Sharing Potential**:
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- Business logic: 0% (different languages)
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- API client: 0% (must implement twice)
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- Encryption: 0% (different crypto libraries)
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- UI components: 0% (completely separate)
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---
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### 4. Progressive Web App (PWA)
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**Description**: Web app that can be installed on mobile devices
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**Pros for Normogen**:
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- **Single codebase**: Works on mobile and desktop
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- **Health sensors**: Web Bluetooth, Generic Sensor API (limited)
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- **No app store**: Direct deployment, instant updates
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- **Small bundle**: Just web assets
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- **Easy updates**: No app store review process
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**Cons**:
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- **Limited sensor access**: Cannot access HealthKit/Health Connect
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- **Poor offline**: Limited background sync
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- **Poor push notifications**: Limited support
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- **iOS limitations**: Safari PWA restrictions
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- **Poor user experience**: Not native-feeling
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**Health Sensor Integration**:
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- Limited to web sensor APIs
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- No HealthKit integration
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- No Health Connect integration
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- Poor for health sensor use case
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**Code Sharing Potential**:
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- Business logic: 100% shared
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- API client: 100% shared
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- Encryption: 100% shared
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- UI: 100% shared
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**Verdict**: Not suitable for Normogen's mobile sensor requirements
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---
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## Web Companion Framework Options
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### Option 1: React (if mobile is React Native)
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**Description**: Most popular JavaScript UI library
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**Pros**:
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- **Code sharing**: 70-80% with React Native
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- **Ecosystem**: Largest npm ecosystem
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- **Charts**: Chart.js, Recharts, D3.js
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- **State management**: Redux, Zustand, Jotai
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- **Encryption**: Web Crypto API, crypto-js
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**Cons**:
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- Large bundle size
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- Complexity for simple apps
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---
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### Option 2: Svelte/SvelteKit
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**Description**: Modern compiler-based framework
|
||||||
|
|
||||||
|
**Pros**:
|
||||||
|
- **Small bundle**: Compiled, minimal runtime
|
||||||
|
- **Great DX**: Simple, clean syntax
|
||||||
|
- **Charts**: Svelte-chartjs, Plotly
|
||||||
|
- **Performance**: Excellent for charts/visualization
|
||||||
|
- **SSR**: Built-in server-side rendering
|
||||||
|
|
||||||
|
**Cons**:
|
||||||
|
- **No code sharing** with React Native
|
||||||
|
- Smaller ecosystem
|
||||||
|
- Less mature than React
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
### Option 3: Vue.js
|
||||||
|
**Description**: Progressive JavaScript framework
|
||||||
|
|
||||||
|
**Pros**:
|
||||||
|
- **Simple learning curve**: Easier than React
|
||||||
|
- **Charts**: Chart.js, ECharts
|
||||||
|
- **Performance**: Good for visualizations
|
||||||
|
- **Ecosystem**: Growing but smaller than React
|
||||||
|
|
||||||
|
**Cons**:
|
||||||
|
- **No code sharing** with React Native
|
||||||
|
- Smaller ecosystem than React
|
||||||
|
- Less job market demand
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Comparison Matrix
|
||||||
|
|
||||||
|
| Criteria | React Native + React | Flutter + React/Svelte | Native + React |
|
||||||
|
|----------|---------------------|------------------------|----------------|
|
||||||
|
| **Development Cost** | Low (code sharing) | Medium | High (2x platforms) |
|
||||||
|
| **Time to Market** | Fast | Medium | Slow |
|
||||||
|
| **Mobile Performance** | Good | Excellent | Excellent |
|
||||||
|
| **Web Performance** | Good | Good | Good |
|
||||||
|
| **Code Sharing** | 70-80% | 0% | 0% |
|
||||||
|
| **Health Sensors** | ✅ Excellent | ✅ Excellent | ✅ Excellent |
|
||||||
|
| **QR Scanning** | ✅ Excellent | ✅ Excellent | ✅ Excellent |
|
||||||
|
| **Crypto** | ✅ Excellent | ✅ Good | ✅ Excellent |
|
||||||
|
| **Bundle Size** | Medium | Small | Small |
|
||||||
|
| **Maintenance** | Medium | Medium | High |
|
||||||
|
| **Team Skills** | JavaScript only | Dart + JS | Swift + Kotlin + JS |
|
||||||
|
| **Ecosystem** | Largest | Large | Native |
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Research Questions
|
||||||
|
|
||||||
|
### For Mobile Framework
|
||||||
|
|
||||||
|
1. **Health Sensor Integration Quality**
|
||||||
|
- How well does each framework integrate with HealthKit?
|
||||||
|
- How well does each framework integrate with Google Health Connect?
|
||||||
|
- Background sensor data collection?
|
||||||
|
- Step counting, heart rate, sleep tracking support?
|
||||||
|
|
||||||
|
2. **QR Code Scanning**
|
||||||
|
- Camera API integration quality
|
||||||
|
- QR scanning library availability
|
||||||
|
- Performance and accuracy
|
||||||
|
|
||||||
|
3. **Encryption Capabilities**
|
||||||
|
- Client-side AES-256-GCM encryption
|
||||||
|
- PBKDF2 key derivation
|
||||||
|
- Web Crypto API bridging (for code sharing)
|
||||||
|
- Secure key storage (Keychain/Keystore)
|
||||||
|
|
||||||
|
4. **Background Sync**
|
||||||
|
- Background task scheduling
|
||||||
|
- Sync reliability
|
||||||
|
- Battery efficiency
|
||||||
|
- Data transfer optimization
|
||||||
|
|
||||||
|
5. **Push Notifications**
|
||||||
|
- Local notifications (reminders)
|
||||||
|
- Push notifications (server-triggered)
|
||||||
|
- Scheduling accuracy
|
||||||
|
|
||||||
|
### For Web Framework
|
||||||
|
|
||||||
|
1. **Chart Visualization**
|
||||||
|
- Chart library compatibility
|
||||||
|
- Performance with large datasets
|
||||||
|
- Real-time data streaming
|
||||||
|
- Beautiful, interactive charts
|
||||||
|
|
||||||
|
2. **Encrypted Data Handling**
|
||||||
|
- Client-side decryption
|
||||||
|
- Large encrypted data handling (10MB+)
|
||||||
|
- Streaming response support
|
||||||
|
- Zero-knowledge architecture support
|
||||||
|
|
||||||
|
3. **Complex State Management**
|
||||||
|
- Family structure management
|
||||||
|
- Multi-person profiles
|
||||||
|
- Access control and permissions
|
||||||
|
- Offline data synchronization
|
||||||
|
|
||||||
|
4. **Performance**
|
||||||
|
- Bundle size and load time
|
||||||
|
- Rendering performance for complex charts
|
||||||
|
- Memory usage for large datasets
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Health Sensor Integration Deep Dive
|
||||||
|
|
||||||
|
### Apple HealthKit
|
||||||
|
|
||||||
|
**Data Types to Integrate**:
|
||||||
|
- Steps (count, distance)
|
||||||
|
- Heart rate (resting, walking, variability)
|
||||||
|
- Sleep analysis (duration, quality, stages)
|
||||||
|
- Weight, height, BMI
|
||||||
|
- Blood pressure
|
||||||
|
- Temperature
|
||||||
|
- Oxygen saturation
|
||||||
|
- Respiratory rate
|
||||||
|
- Menstrual cycle data
|
||||||
|
- Workouts and activity
|
||||||
|
- Nutrition (water, caffeine)
|
||||||
|
|
||||||
|
**Integration Requirements**:
|
||||||
|
- Authorization request handling
|
||||||
|
- Background delivery (HKHealthStore)
|
||||||
|
- Query historical data
|
||||||
|
- Write data to HealthKit (if needed)
|
||||||
|
- Sample queries (filtered by date, type)
|
||||||
|
|
||||||
|
### Google Health Connect
|
||||||
|
|
||||||
|
**Data Types to Integrate**:
|
||||||
|
- Steps (count, distance)
|
||||||
|
- Heart rate (resting, variability)
|
||||||
|
- Sleep (sessions, stages)
|
||||||
|
- Weight, height
|
||||||
|
- Blood pressure
|
||||||
|
- Temperature
|
||||||
|
- Oxygen saturation
|
||||||
|
- Nutrition
|
||||||
|
- Menstrual cycle
|
||||||
|
- Exercise sessions
|
||||||
|
|
||||||
|
**Integration Requirements**:
|
||||||
|
- Permission request handling
|
||||||
|
- Background reading (WorkManager)
|
||||||
|
- Historical data queries
|
||||||
|
- Write data to Health Connect (if needed)
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Recommended Architecture
|
||||||
|
|
||||||
|
### Mobile-First, Web-Complementary
|
||||||
|
|
||||||
|
#### Recommended Stack: **React Native + React**
|
||||||
|
|
||||||
|
**Rationale**:
|
||||||
|
|
||||||
|
1. **Code Sharing (70-80%)**
|
||||||
|
- Business logic: User management, data sync, encryption
|
||||||
|
- State management: Redux/Zustand store
|
||||||
|
- API client: Axios/Fetch wrapper
|
||||||
|
- Encryption utilities: AES-GCM, PBKDF2, keys
|
||||||
|
- Data validation: Zod schemas
|
||||||
|
- Date handling: date-fns, luxon
|
||||||
|
|
||||||
|
2. **Health Sensors**
|
||||||
|
- React Native Health (iOS)
|
||||||
|
- React Native Google Fit (Android)
|
||||||
|
- Background task support
|
||||||
|
- Excellent sensor integration
|
||||||
|
|
||||||
|
3. **QR Scanning**
|
||||||
|
- react-native-camera
|
||||||
|
- Fast, accurate scanning
|
||||||
|
|
||||||
|
4. **Encryption**
|
||||||
|
- react-native-quick-crypto
|
||||||
|
- Secure key storage (Keychain/Keystore)
|
||||||
|
- Web Crypto API compatible
|
||||||
|
|
||||||
|
5. **Web Charts**
|
||||||
|
- Recharts (React)
|
||||||
|
- D3.js (if needed)
|
||||||
|
- Chart.js (simple charts)
|
||||||
|
- Excellent visualization
|
||||||
|
|
||||||
|
6. **Team Skills**
|
||||||
|
- Single language: JavaScript/TypeScript
|
||||||
|
- Single ecosystem: npm
|
||||||
|
- Lower hiring cost
|
||||||
|
|
||||||
|
#### Architecture Diagram
|
||||||
|
|
||||||
|
```
|
||||||
|
┌─────────────────────────────────────────────────────┐
|
||||||
|
│ Shared Layer │
|
||||||
|
│ (Business Logic, State, API, Encryption) │
|
||||||
|
│ │
|
||||||
|
│ - Redux/Zustand Store │
|
||||||
|
│ - API Client (Axios) │
|
||||||
|
│ - Encryption Utilities (AES-GCM, PBKDF2) │
|
||||||
|
│ - Data Validation (Zod) │
|
||||||
|
│ - Date Handling (date-fns) │
|
||||||
|
└─────────────────────────────────────────────────────┘
|
||||||
|
│
|
||||||
|
┌───────────────┴───────────────┐
|
||||||
|
│ │
|
||||||
|
▼ ▼
|
||||||
|
┌──────────────────┐ ┌──────────────────┐
|
||||||
|
│ React Native │ │ React (Web) │
|
||||||
|
│ (Mobile) │ │ (Companion) │
|
||||||
|
│ │ │ │
|
||||||
|
│ - Native UI │ │ - DOM UI │
|
||||||
|
│ - Camera │ │ - Charts │
|
||||||
|
│ - HealthKit │ │ - Tables │
|
||||||
|
│ - Health Conn. │ │ - Forms │
|
||||||
|
│ - Push Notif. │ │ - Settings UI │
|
||||||
|
│ - Background │ │ │
|
||||||
|
└──────────────────┘ └──────────────────┘
|
||||||
|
│ │
|
||||||
|
│ │
|
||||||
|
▼ ▼
|
||||||
|
┌──────────────────┐ ┌──────────────────┐
|
||||||
|
│ iOS App │ │ Browser │
|
||||||
|
│ (App Store) │ │ (Web) │
|
||||||
|
└──────────────────┘ └──────────────────┘
|
||||||
|
┌──────────────────┐
|
||||||
|
│ Android App │
|
||||||
|
│ (Play Store) │
|
||||||
|
└──────────────────┘
|
||||||
|
```
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Proof of Concept Requirements
|
||||||
|
|
||||||
|
### Mobile POC
|
||||||
|
|
||||||
|
1. **Health Sensor Integration**
|
||||||
|
- Read steps from HealthKit (iOS)
|
||||||
|
- Read steps from Health Connect (Android)
|
||||||
|
- Display last 7 days of step data
|
||||||
|
- Sync with backend API
|
||||||
|
|
||||||
|
2. **Encryption Test**
|
||||||
|
- Encrypt health data on device
|
||||||
|
- Send to backend
|
||||||
|
- Decrypt on device
|
||||||
|
- Verify zero-knowledge (backend stores encrypted)
|
||||||
|
|
||||||
|
3. **QR Scanning**
|
||||||
|
- Scan QR code
|
||||||
|
- Parse lab result data
|
||||||
|
- Encrypt and sync
|
||||||
|
|
||||||
|
4. **Background Sync**
|
||||||
|
- Sync every 5 minutes
|
||||||
|
- Handle offline mode
|
||||||
|
- Conflict resolution
|
||||||
|
|
||||||
|
### Web POC
|
||||||
|
|
||||||
|
1. **Chart Visualization**
|
||||||
|
- Display 30 days of health data
|
||||||
|
- Line chart (weight trends)
|
||||||
|
- Bar chart (steps per day)
|
||||||
|
- Responsive design
|
||||||
|
|
||||||
|
2. **Profile Management**
|
||||||
|
- Create/edit profile
|
||||||
|
- Add family members
|
||||||
|
- Set permissions
|
||||||
|
|
||||||
|
3. **Encrypted Data Handling**
|
||||||
|
- Load 10MB encrypted data
|
||||||
|
- Decrypt and display
|
||||||
|
- Stream large datasets
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Implementation Timeline
|
||||||
|
|
||||||
|
### Phase 1: Mobile MVP (8-12 weeks)
|
||||||
|
- [ ] Setup React Native project
|
||||||
|
- [ ] Integrate HealthKit (iOS)
|
||||||
|
- [ ] Integrate Health Connect (Android)
|
||||||
|
- [ ] Implement encryption utilities
|
||||||
|
- [ ] Build API client
|
||||||
|
- [ ] Implement authentication
|
||||||
|
- [ ] Build core UI (profile, data entry, sync)
|
||||||
|
- [ ] Test QR scanning
|
||||||
|
- [ ] Implement background sync
|
||||||
|
|
||||||
|
### Phase 2: Web Companion (4-6 weeks)
|
||||||
|
- [ ] Setup React project
|
||||||
|
- [ ] Share business logic from mobile
|
||||||
|
- [ ] Build chart visualization
|
||||||
|
- [ ] Build profile management UI
|
||||||
|
- [ ] Build family structure UI
|
||||||
|
- [ ] Build reporting interface
|
||||||
|
|
||||||
|
### Phase 3: Polish & Launch (4-6 weeks)
|
||||||
|
- [ ] Performance optimization
|
||||||
|
- [ ] Security audit
|
||||||
|
- [ ] App store submission
|
||||||
|
- [ ] Marketing materials
|
||||||
|
- [ ] User testing
|
||||||
|
- [ ] Beta launch
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Alternative Considered: Flutter
|
||||||
|
|
||||||
|
### Why Flutter is a strong alternative
|
||||||
|
|
||||||
|
**Pros**:
|
||||||
|
- Excellent performance (compiled to native)
|
||||||
|
- Beautiful UI out of the box
|
||||||
|
- Unified health package (HealthKit + Health Connect)
|
||||||
|
- Small app bundle size
|
||||||
|
- Fast development (hot reload)
|
||||||
|
|
||||||
|
**Why React Native wins for Normogen**:
|
||||||
|
|
||||||
|
1. **Code Sharing (Critical Advantage)**
|
||||||
|
- 70-80% code sharing vs 0%
|
||||||
|
- Faster time to market
|
||||||
|
- Lower development cost
|
||||||
|
- Easier maintenance
|
||||||
|
|
||||||
|
2. **Team Skills**
|
||||||
|
- Single language (JavaScript/TypeScript)
|
||||||
|
- Single ecosystem (npm)
|
||||||
|
- Lower hiring cost
|
||||||
|
- Faster onboarding
|
||||||
|
|
||||||
|
3. **Ecosystem Maturity**
|
||||||
|
- React Native: More mature, larger community
|
||||||
|
- Better health sensor integration
|
||||||
|
- More third-party libraries
|
||||||
|
- More production experience
|
||||||
|
|
||||||
|
4. **Web Companion**
|
||||||
|
- React for web companion (code sharing)
|
||||||
|
- Flutter web: Less mature, not recommended
|
||||||
|
|
||||||
|
**Flutter would be better if**:
|
||||||
|
- Web companion was not needed
|
||||||
|
- Team had Dart experience
|
||||||
|
- Performance was critical (not the case for health app)
|
||||||
|
- UI polish was the top priority
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Final Recommendation
|
||||||
|
|
||||||
|
### Primary Recommendation: **React Native + React**
|
||||||
|
|
||||||
|
**Score**: 9/10
|
||||||
|
|
||||||
|
**Justification**:
|
||||||
|
|
||||||
|
1. **Code Sharing** (Critical)
|
||||||
|
- 70-80% shared between mobile and web
|
||||||
|
- Single language (JavaScript/TypeScript)
|
||||||
|
- Faster development, easier maintenance
|
||||||
|
|
||||||
|
2. **Health Sensors** (Excellent)
|
||||||
|
- React Native Health (iOS HealthKit)
|
||||||
|
- React Native Google Fit (Android Health Connect)
|
||||||
|
- Background sensor data collection
|
||||||
|
- Comprehensive health data support
|
||||||
|
|
||||||
|
3. **Encryption** (Excellent)
|
||||||
|
- react-native-quick-crypto
|
||||||
|
- Web Crypto API compatible
|
||||||
|
- Secure key storage (Keychain/Keystore)
|
||||||
|
|
||||||
|
4. **QR Scanning** (Excellent)
|
||||||
|
- react-native-camera
|
||||||
|
- Fast, accurate scanning
|
||||||
|
|
||||||
|
5. **Web Charts** (Excellent)
|
||||||
|
- Recharts (React)
|
||||||
|
- Beautiful, interactive visualizations
|
||||||
|
- Great for health data
|
||||||
|
|
||||||
|
6. **Team & Cost** (Excellent)
|
||||||
|
- Single language (JS/TS)
|
||||||
|
- Single ecosystem (npm)
|
||||||
|
- Lower development cost
|
||||||
|
- Faster time to market
|
||||||
|
|
||||||
|
### Risk Assessment
|
||||||
|
|
||||||
|
**Risk: React Native Performance**
|
||||||
|
- **Severity**: Low
|
||||||
|
- **Mitigation**: Good enough for health data apps
|
||||||
|
- **Mitigation**: Performance optimization techniques
|
||||||
|
- **Mitigation**: Native modules for critical paths
|
||||||
|
|
||||||
|
**Risk: JavaScript Engine Overhead**
|
||||||
|
- **Severity**: Low
|
||||||
|
- **Mitigation**: Hermes engine (faster, smaller)
|
||||||
|
- **Mitigation**: Modern phones are fast enough
|
||||||
|
|
||||||
|
**Risk: Dependency Issues**
|
||||||
|
- **Severity**: Medium
|
||||||
|
- **Mitigation**: Careful dependency management
|
||||||
|
- **Mitigation**: Use stable, well-maintained libraries
|
||||||
|
- **Mitigation**: Monorepo for better control
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Next Steps
|
||||||
|
|
||||||
|
1. ✅ **Mobile Framework Selected**: React Native
|
||||||
|
2. ⏭️ **Select State Management**: Redux vs Zustand vs Jotai
|
||||||
|
3. ⏭️ **Select Navigation**: React Navigation vs React Native Navigation
|
||||||
|
4. ⏭️ **Select Charts**: Recharts vs Chart.js
|
||||||
|
5. ⏭️ **Design Database Schema**: MongoDB collections
|
||||||
|
6. ⏭️ **Create POC**: Health sensor integration test
|
||||||
|
7. ⏭️ **Implement Authentication**: JWT + recovery phrase
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Technology Stack Summary
|
||||||
|
|
||||||
|
### Mobile
|
||||||
|
- **Framework**: React Native 0.73+
|
||||||
|
- **Language**: TypeScript
|
||||||
|
- **State Management**: TBD (Redux/Zustand)
|
||||||
|
- **Navigation**: React Navigation
|
||||||
|
- **Health Sensors**:
|
||||||
|
- react-native-health (iOS)
|
||||||
|
- react-native-google-fit (Android)
|
||||||
|
- **QR Scanning**: react-native-camera
|
||||||
|
- **Encryption**: react-native-quick-crypto
|
||||||
|
- **HTTP**: Axios
|
||||||
|
- **Date**: date-fns
|
||||||
|
|
||||||
|
### Web
|
||||||
|
- **Framework**: React 18+
|
||||||
|
- **Language**: TypeScript
|
||||||
|
- **State Management**: TBD (Redux/Zustand)
|
||||||
|
- **Routing**: React Router
|
||||||
|
- **Charts**: Recharts
|
||||||
|
- **HTTP**: Axios
|
||||||
|
- **Date**: date-fns
|
||||||
|
- **UI**: Tailwind CSS / Chakra UI
|
||||||
|
|
||||||
|
### Shared
|
||||||
|
- **Language**: TypeScript
|
||||||
|
- **State Management**: Redux/Zustand
|
||||||
|
- **API Client**: Axios
|
||||||
|
- **Encryption**: AES-256-GCM, PBKDF2
|
||||||
|
- **Validation**: Zod
|
||||||
|
- **Date**: date-fns
|
||||||
|
- **Utilities**: Shared monorepo package
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Conclusion
|
||||||
|
|
||||||
|
**React Native + React** is the optimal choice for Normogen's mobile-first, web-complementary architecture:
|
||||||
|
|
||||||
|
- **70-80% code sharing** between mobile and web
|
||||||
|
- **Excellent health sensor integration** (HealthKit + Health Connect)
|
||||||
|
- **Single language** (JavaScript/TypeScript) reduces development cost
|
||||||
|
- **Great chart visualization** for web companion
|
||||||
|
- **Proven at scale** in health apps
|
||||||
|
- **Faster time to market** than native or Flutter
|
||||||
|
|
||||||
|
**Decision**: Use **React Native** for mobile (iOS + Android) and **React** for web companion app.
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## References
|
||||||
|
|
||||||
|
- [React Native](https://reactnative.dev/)
|
||||||
|
- [React Native Health](https://github.com/anthonyecamps/react-native-health)
|
||||||
|
- [React Native Google Fit](https://github.com/StasDoskalenko/react-native-google-fit)
|
||||||
|
- [React Native Quick Crypto](https://github.com/margelo/react-native-quick-crypto)
|
||||||
|
- [React Native Camera](https://github.com/react-native-camera/react-native-camera)
|
||||||
|
- [Recharts](https://recharts.org/)
|
||||||
|
- [HealthKit Documentation](https://developer.apple.com/documentation/healthkit)
|
||||||
|
- [Google Health Connect](https://developer.android.com/health-and-fitness/google/health-connect)
|
||||||
|
|
@ -7,7 +7,6 @@
|
||||||
## Decisions Made
|
## Decisions Made
|
||||||
|
|
||||||
### 1. Rust Web Framework: Axum
|
### 1. Rust Web Framework: Axum
|
||||||
|
|
||||||
**Decision**: Axum 0.7.x
|
**Decision**: Axum 0.7.x
|
||||||
|
|
||||||
**Rationale**:
|
**Rationale**:
|
||||||
|
|
@ -17,30 +16,87 @@
|
||||||
- Tower middleware ecosystem
|
- Tower middleware ecosystem
|
||||||
- Excellent async patterns for lazy loading
|
- Excellent async patterns for lazy loading
|
||||||
|
|
||||||
**Risk Mitigation**:
|
|
||||||
- Pre-1.0 API is stable enough for production
|
|
||||||
- Strong backward compatibility maintained
|
|
||||||
- Many production deployments exist
|
|
||||||
|
|
||||||
**Reference**: [2026-02-14-performance-findings.md](./2026-02-14-performance-findings.md)
|
**Reference**: [2026-02-14-performance-findings.md](./2026-02-14-performance-findings.md)
|
||||||
|
|
||||||
---
|
---
|
||||||
|
|
||||||
|
### 2. Mobile Framework: React Native
|
||||||
|
**Decision**: React Native 0.73+ for iOS + Android
|
||||||
|
|
||||||
|
**Platform Strategy**:
|
||||||
|
- **Primary**: Mobile apps (iOS + Android) - Daily health tracking, sensor integration
|
||||||
|
- **Secondary**: Web browser - Extensive reporting, visualization, profile management
|
||||||
|
|
||||||
|
**Rationale**:
|
||||||
|
- **70-80% code sharing** between mobile and web (single language: TypeScript)
|
||||||
|
- **Health sensor integration**: react-native-health (HealthKit), react-native-google-fit (Health Connect)
|
||||||
|
- **QR code scanning**: react-native-camera
|
||||||
|
- **Encryption**: react-native-quick-crypto (AES-256-GCM, PBKDF2)
|
||||||
|
- **Web charts**: Recharts for React (beautiful visualizations)
|
||||||
|
- **Team skills**: Single language (JavaScript/TypeScript) reduces development cost
|
||||||
|
- **Time to market**: Faster than native or Flutter
|
||||||
|
|
||||||
|
**Reference**: [2026-02-14-frontend-mobile-research.md](./2026-02-14-frontend-mobile-research.md)
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
### 3. Web Framework: React
|
||||||
|
**Decision**: React 18+ for web companion app
|
||||||
|
|
||||||
|
**Rationale**:
|
||||||
|
- **70-80% code sharing** with React Native (business logic, state, API, encryption)
|
||||||
|
- **Charts**: Recharts for beautiful health data visualizations
|
||||||
|
- **Ecosystem**: Largest npm ecosystem
|
||||||
|
- **Team skills**: Single language (TypeScript)
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Technology Stack Summary
|
||||||
|
|
||||||
|
### Backend
|
||||||
|
- **Framework**: Axum 0.7.x
|
||||||
|
- **Runtime**: Tokio 1.x
|
||||||
|
- **Middleware**: Tower, Tower-HTTP
|
||||||
|
- **Database**: MongoDB (with zero-knowledge encryption)
|
||||||
|
- **Language**: Rust
|
||||||
|
|
||||||
|
### Mobile (iOS + Android)
|
||||||
|
- **Framework**: React Native 0.73+
|
||||||
|
- **Language**: TypeScript
|
||||||
|
- **Health Sensors**: react-native-health, react-native-google-fit
|
||||||
|
- **Encryption**: react-native-quick-crypto
|
||||||
|
- **HTTP**: Axios
|
||||||
|
|
||||||
|
### Web
|
||||||
|
- **Framework**: React 18+
|
||||||
|
- **Language**: TypeScript
|
||||||
|
- **Charts**: Recharts
|
||||||
|
- **HTTP**: Axios
|
||||||
|
|
||||||
|
### Shared (Monorepo)
|
||||||
|
- **Language**: TypeScript
|
||||||
|
- **State**: Redux/Zustand (TBD)
|
||||||
|
- **API**: Axios
|
||||||
|
- **Encryption**: AES-256-GCM, PBKDF2
|
||||||
|
- **Validation**: Zod
|
||||||
|
- **Date**: date-fns
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
## Still To Be Decided
|
## Still To Be Decided
|
||||||
|
|
||||||
### 1. Frontend Framework (Priority: High)
|
### 1. State Management (Priority: High)
|
||||||
|
|
||||||
**Options**:
|
**Options**:
|
||||||
- React (most popular, largest ecosystem)
|
- Redux (mature, large ecosystem)
|
||||||
- Vue.js (simpler learning curve)
|
- Zustand (simple, modern)
|
||||||
- Svelte/SvelteKit (modern, compiled, smaller bundles)
|
- Jotai (atomic, minimal)
|
||||||
|
|
||||||
**Considerations for Normogen**:
|
**Considerations for Normogen**:
|
||||||
- Client-side encryption requirements
|
- 70-80% code sharing between mobile and web
|
||||||
- Chart/visualization libraries
|
- Complex state (family structure, multi-person profiles)
|
||||||
- Mobile app code sharing
|
- Offline synchronization
|
||||||
- Zero-knowledge architecture
|
- Encrypted data caching
|
||||||
- Real-time data updates
|
|
||||||
|
|
||||||
---
|
---
|
||||||
|
|
||||||
|
|
@ -54,13 +110,47 @@
|
||||||
**Considerations for Normogen**:
|
**Considerations for Normogen**:
|
||||||
- Zero-knowledge password recovery
|
- Zero-knowledge password recovery
|
||||||
- Token revocation strategy
|
- Token revocation strategy
|
||||||
|
- Multi-factor authentication (future)
|
||||||
- Integration with client-side encryption keys
|
- Integration with client-side encryption keys
|
||||||
- Family member access control
|
- Family member access control
|
||||||
|
|
||||||
---
|
---
|
||||||
|
|
||||||
|
### 3. Database Schema (Priority: High)
|
||||||
|
|
||||||
|
**Collections to Design**:
|
||||||
|
- Users (authentication, profiles)
|
||||||
|
- Families (family structure)
|
||||||
|
- Health Data (encrypted health records)
|
||||||
|
- Lab Results (encrypted lab data)
|
||||||
|
- Medications (encrypted medication data)
|
||||||
|
- Appointments (encrypted appointment data)
|
||||||
|
- Shared Links (time-limited access tokens)
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
## Recommended Order
|
||||||
|
|
||||||
|
1. Rust Framework: Axum (COMPLETED)
|
||||||
|
2. Mobile/Web Framework: React Native + React (COMPLETED)
|
||||||
|
3. State Management: Redux vs Zustand
|
||||||
|
4. Authentication: JWT with recovery phrase
|
||||||
|
5. Database Schema: Design MongoDB collections
|
||||||
|
6. Create POC: Health sensor integration test
|
||||||
|
7. Implement Core Features: Authentication, encryption, CRUD
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
## Next Research Priority
|
## Next Research Priority
|
||||||
|
|
||||||
Research frontend framework options for zero-knowledge encrypted health data platform.
|
**Research Question**: Which state management library (Redux vs Zustand) is best for Normogen's encrypted health data platform?
|
||||||
|
|
||||||
Estimated Research Time: 3-4 hours
|
**Considerations**:
|
||||||
|
- 70-80% code sharing between React Native and React
|
||||||
|
- Complex state (family structure, multi-person profiles)
|
||||||
|
- Offline synchronization
|
||||||
|
- Encrypted data caching
|
||||||
|
- TypeScript support
|
||||||
|
- Bundle size (mobile)
|
||||||
|
|
||||||
|
**Estimated Research Time**: 1-2 hours
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue