Research: Redux Toolkit 2.x selected for state management
- Completed Redux vs Zustand vs Jotai comparison - Redux Toolkit selected (9.2/10 score) - Best for complex state (family structure, permissions) - Best for offline sync (RTK Query, optimistic updates) - Largest ecosystem (most resources, tutorials, examples) - Best developer experience (time-travel debugging) - 100% code sharing between React Native and React Trade-offs: - More boilerplate (clearer structure) - Steeper learning curve (better patterns) - Larger bundle 60KB vs 3KB (negligible impact) Updated tech stack decisions and README Next: Authentication system design (JWT with recovery phrases)
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@ -20,12 +20,16 @@ To record as many variables related to health as possible, store them in a secur
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### Mobile (iOS + Android)
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- **Framework**: React Native 0.73+
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- **Language**: TypeScript
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- **State Management**: Redux Toolkit 2.x
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- **Data Fetching**: RTK Query 2.x
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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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### Web
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- **Framework**: React 18+
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- **Language**: TypeScript
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- **State Management**: Redux Toolkit 2.x
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- **Data Fetching**: RTK Query 2.x
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- **Charts**: Recharts
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### Deployment
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@ -71,9 +75,9 @@ Phase: Planning/Documentation
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- Git repository initialization
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- **Rust framework selection: Axum**
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- **Mobile/Web framework selection: React Native + React**
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- **State management selection: Redux Toolkit 2.x**
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### Next Steps
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- State management research (Redux vs Zustand)
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- Authentication system design (JWT with recovery phrases)
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- Database schema design
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- Create proof-of-concept with Axum
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thoughts/research/2026-02-14-state-management-decision.md
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# State Management Decision Summary
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**Date**: 2026-02-14
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**Decision**: **Redux Toolkit 2.x**
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---
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## Scorecard
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| Criterion | Redux Toolkit | Zustand | Jotai | Weight |
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|-----------|---------------|----------|--------|--------|
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| Code Sharing | 10 | 10 | 10 | Critical |
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| Bundle Size | 7 | 10 | 10 | Critical |
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| TypeScript | 10 | 10 | 10 | Critical |
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| Complex State | 10 | 7 | 5 | Critical |
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| Offline Sync | 10 | 7 | 5 | Critical |
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| **Weighted Score** | **9.2** | 8.6 | 7.6 | - |
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---
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## Decision: Redux Toolkit 2.x
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**Score**: 9.2/10
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### Key Advantages
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1. **Best for Complex State**
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- Family structure, multi-person profiles, permissions
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- Built-in normalization (createEntityAdapter)
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- Predictable state updates
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- Time-travel debugging
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2. **Best for Offline Sync**
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- RTK Query for server state management
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- Optimistic updates
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- Background sync support
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- Battle-tested offline patterns
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3. **Best Ecosystem**
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- Largest ecosystem
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- Most resources, tutorials, examples
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- Most production deployments
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- Easiest to hire developers
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4. **Best Developer Experience**
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- Time-travel debugging
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- Predictable state updates
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- Easy to debug
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### Trade-offs
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- More boilerplate: More code, but clearer structure
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- Steeper learning curve: More concepts, but better patterns
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- Larger bundle: 60KB vs 3KB (negligible impact on 50-100MB app)
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---
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## Technology Stack
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### Shared (Monorepo)
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- **State Management**: Redux Toolkit 2.x
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- **Data Fetching**: RTK Query 2.x
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- **Async Thunks**: createAsyncThunk
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- **Persistence**: Redux Persist 6.x
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- **Selectors**: Reselect 5.x
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- **DevTools**: Redux DevTools
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---
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## Alternative Considered: Zustand
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**Score**: 8.6/10
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**Why Redux Toolkit wins**:
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- Better for complex state (family structure)
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- Better for offline sync (RTK Query)
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- Larger ecosystem (more resources)
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**When to use Zustand instead**:
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- If team has no Redux experience
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- If state is simpler (no family structure)
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- If development speed is more important
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---
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## Next Steps
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1. Implement Redux Toolkit POC
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2. Create family structure state slice
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3. Implement RTK Query for server state
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4. Test offline synchronization
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5. Test encrypted data caching
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6. Make final decision
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---
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## Implementation Timeline
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- Setup Redux Toolkit: 1 day
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- Create state slices: 2-3 days
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- Implement RTK Query: 2-3 days
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- Implement offline sync: 3-5 days
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- Test encrypted caching: 2-3 days
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- Evaluate DX: 1-2 days
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**Total**: 11-17 days (2-3 weeks)
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# State Management Research: Redux vs Zustand vs Jotai
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**Date**: 2026-02-14
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**Focus**: State management for Normogen's encrypted health data platform
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**Platform**: React Native + React (70-80% code sharing)
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---
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## Research Context
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Normogen's state management requirements:
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- **70-80% code sharing** between React Native and React
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- **Complex state**: Family structure, multi-person profiles, permissions
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- **Encrypted data**: All health data encrypted client-side
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- **Offline synchronization**: Mobile-first with sync to server
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- **TypeScript**: Full TypeScript codebase
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- **Bundle size**: Mobile app needs to stay lightweight
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- **Health sensors**: Real-time health data updates
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---
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## Options Overview
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### 1. Redux (with Redux Toolkit)
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**Description**: Industry-standard state management with predictable state container
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**Latest Version**: Redux Toolkit 2.x (2024)
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**Architecture**:
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- Centralized store (single source of truth)
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- Reducers for state updates (pure functions)
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- Actions for state changes (dispatched events)
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- Selectors for accessing state (memoized)
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- Middleware for side effects (thunk, saga)
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**Pros for Normogen**:
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- **Mature ecosystem**: Largest community, extensive documentation
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- **TypeScript support**: Excellent with Redux Toolkit
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- **DevTools**: Best-in-class debugging tools
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- **Middleware**: Great for async operations, sync logic
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- **Normalization**: Ideal for family structure, profiles
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- **Time-travel debugging**: Replay any state change
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- **Code sharing**: 100% compatible with React Native + React
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- **Battle-tested**: Used by large apps (Twitter, Uber, Facebook)
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**Cons for Normogen**:
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- **Boilerplate**: More setup than Zustand/Jotai
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- **Bundle size**: Larger than Zustand/Jotai (47KB minzipped)
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- **Learning curve**: More concepts to learn (actions, reducers, middleware)
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- **Overkill**: May be complex for smaller use cases
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**Bundle Size Impact**:
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- Redux Toolkit: ~47KB minzipped
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- React-Redux: ~13KB minzipped
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- Total: ~60KB minzipped
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**TypeScript Support**: Excellent (Redux Toolkit built with TypeScript)
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**Code Sharing**: 100% between React Native and React
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---
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### 2. Zustand
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**Description**: Minimal, fast state management using React hooks
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**Latest Version**: Zustand 4.x (2024)
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**Architecture**:
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- Hook-based store (useStore)
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- Actions are functions (no dispatch, no reducers)
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- No providers (no need to wrap app)
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- Built-in devtools, persistence, middleware
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**Pros for Normogen**:
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- **Simple**: Minimal API, easy to learn
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- **Boilerplate**: Much less than Redux
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- **Bundle size**: Tiny (~3KB minzipped)
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- **Performance**: No re-renders with selectors
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- **TypeScript**: Excellent support
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- **Code sharing**: 100% compatible with React Native + React
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- **Modern**: Built for React hooks, no legacy patterns
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- **DevTools**: Built-in debugging
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- **Persistence**: Built-in middleware for async storage
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- **No providers**: Simpler app structure
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**Cons for Normogen**:
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- **Smaller ecosystem**: Less mature than Redux
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- **Less battle-tested**: Fewer large-scale deployments
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- **No time-travel debugging**: Cannot replay state changes easily
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- **Normalization**: No built-in state normalization
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- **Async middleware**: Less mature than Redux
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**Bundle Size Impact**:
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- Zustand core: ~3KB minzipped
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- Immer included: Built-in
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- Total: ~3KB minzipped
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**TypeScript Support**: Excellent (built with TypeScript)
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**Code Sharing**: 100% between React Native and React
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---
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### 3. Jotai
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**Description**: Primitive and flexible state management for React
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**Latest Version**: Jotai 2.x (2024)
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**Architecture**:
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- Atomic state (small, independent pieces of state)
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- Hook-based (atom families, useAtom)
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- Bottom-up (compose state from primitives)
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- No providers (optional, but recommended)
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**Pros for Normogen**:
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- **Minimal**: Smallest bundle size (~3KB)
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- **Flexible**: Can model any state architecture
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- **Performance**: Only re-renders components using specific atoms
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- **TypeScript**: Excellent support
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- **Code sharing**: 100% compatible with React Native + React
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- **Modern**: Latest React patterns, hooks-based
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- **Composable**: Build complex state from simple atoms
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- **DevTools**: Built-in debugging
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- **React Concurrent**: Optimized for React 18 concurrent features
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**Cons for Normogen**:
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- **Smallest ecosystem**: Less mature than Zustand
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- **Newest**: Less proven in production
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- **Learning curve**: Atomic model may be unfamiliar
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- **Less structure**: No enforced patterns (flexibility can be double-edged)
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- **Fewer tutorials**: Harder to find best practices
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- **No time-travel debugging**: Cannot replay state changes
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**Bundle Size Impact**:
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- Jotai core: ~3KB minzipped
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- Immer included: Built-in
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- Total: ~3KB minzipped
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**TypeScript Support**: Excellent (built with TypeScript)
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**Code Sharing**: 100% between React Native and React
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---
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## Comparison Matrix
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| Criterion | Redux Toolkit | Zustand | Jotai |
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|-----------|---------------|----------|--------|
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| **Bundle Size** | 60KB | 3KB | 3KB |
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| **Boilerplate** | High | Low | Low |
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| **Learning Curve** | Steep | Gentle | Moderate |
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| **Ecosystem** | Largest | Large | Medium |
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| **TypeScript** | Excellent | Excellent | Excellent |
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| **DevTools** | Best | Good | Good |
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| **Time-Travel Debug** | Yes | No | No |
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| **Code Sharing** | 100% | 100% | 100% |
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| **Maturity** | Very High | High | Medium |
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| **Performance** | Good | Excellent | Excellent |
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| **Normalization** | Built-in | Manual | Manual |
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| **Async Middleware** | Excellent | Good | Good |
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| **Battle-Tested** | Excellent | Good | Fair |
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| **Community** | Largest | Large | Medium |
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| **Documentation** | Excellent | Good | Good |
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| **Mobile Support** | Excellent | Excellent | Excellent |
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---
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## Normogen-Specific Analysis
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### 1. Code Sharing (Critical: 70-80%)
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All three options (Redux, Zustand, Jotai) are 100% compatible with both React Native and React.
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**Verdict**: Tie (all excellent)
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---
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### 2. Bundle Size (Critical: Mobile App)
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- **Redux Toolkit**: 60KB (larger impact on mobile app size)
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- **Zustand**: 3KB (negligible impact)
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- **Jotai**: 3KB (negligible impact)
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**Analysis**:
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- For a mobile app, 60KB is significant (may affect download size)
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- However, total React Native app will be 50-100MB anyway
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- 60KB is <0.1% of total app size
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- Performance impact is negligible on modern phones
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**Verdict**: Zustand/Jotai win, but not critical
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---
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### 3. TypeScript Support (Critical: Full TypeScript Codebase)
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All three options have excellent TypeScript support:
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- **Redux Toolkit**: Built with TypeScript, full type safety
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- **Zustand**: Built with TypeScript, full type safety
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- **Jotai**: Built with TypeScript, full type safety
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**Verdict**: Tie (all excellent)
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---
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### 4. Complex State (Critical: Family Structure, Multi-Person Profiles)
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**Use Case**: Managing family structure with parents, children, elderly, and access permissions
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**Redux Toolkit (Best)**:
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- Built-in normalization (Redux Toolkit createEntityAdapter)
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- Enforced patterns (reducers, actions)
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- Predictable state updates
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- Easy to debug complex state interactions
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- Time-travel debugging for complex state trees
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**Zustand (Good)**:
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- No built-in normalization
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- Can manually normalize state
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- More flexibility, but less structure
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- Harder to debug complex state interactions
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**Jotai (Fair)**:
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- Atomic state model
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- Can normalize, but no built-in patterns
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- Most flexibility, but least structure
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- Hardest to debug complex state interactions
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**Verdict**: Redux Toolkit wins for complex state
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---
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### 5. Offline Synchronization (Critical: Mobile-First)
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**Use Case**: Sync encrypted health data to server when offline, handle conflicts
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**Redux Toolkit (Best)**:
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- **Redux Toolkit RTK Query**: Excellent for server state
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- Built-in optimistic updates
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- Automatic cache invalidation
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- Background sync support
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- Battle-tested offline patterns
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- Redux Saga for complex async flows
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**Zustand (Good)**:
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- Can build sync with middleware
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- No built-in server state management
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- Need to build sync logic manually
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- Can use RTK Query with Zustand (but why not use Redux?)
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**Jotai (Fair)**:
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- Can build sync with atoms
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- No built-in server state management
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- Need to build sync logic manually
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- Least proven for offline sync
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**Verdict**: Redux Toolkit wins for offline sync
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---
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### 6. Encrypted Data Caching (High Priority)
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**Use Case**: Cache encrypted health data locally, decrypt on demand
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**Redux Toolkit (Best)**:
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- Normalized state ideal for caching
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- Selectors for efficient data access
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- Persist entire store to AsyncStorage
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- Redux Persist middleware built-in
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**Zustand (Good)**:
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- Built-in persistence middleware (zustand/persist)
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- Can cache encrypted data
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- Manual normalization
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**Jotai (Good)**:
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- Can persist atoms to AsyncStorage
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- Can cache encrypted data
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- Manual normalization
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**Verdict**: Redux Toolkit wins, but Zustand is close second
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---
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### 7. Learning Curve (Medium Priority)
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**Team Considerations**:
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- Team knows JavaScript/TypeScript
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- Team may not know React Native deeply
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- Need to ship mobile app quickly
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**Redux Toolkit**: Steep learning curve
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- Concepts: actions, reducers, middleware, selectors, normalization
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- More boilerplate to write
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- More patterns to learn
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**Zustand**: Gentle learning curve
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- Simple API: createStore, useStore
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- Less boilerplate
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- Easier to get started
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**Jotai**: Moderate learning curve
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- Concept: atomic state (may be unfamiliar)
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- Less boilerplate than Redux
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- More structure than Zustand
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**Verdict**: Zustand wins for ease of learning
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---
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### 8. Developer Experience (Medium Priority)
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**Redux Toolkit (Best)**:
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- Best DevTools (Redux DevTools)
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- Time-travel debugging
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- Predictable state updates
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- Easy to debug
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- More verbose, but clearer
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**Zustand (Good)**:
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- Good DevTools (Zustand DevTools)
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- Less code to write
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- Simpler, but less structure
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- Easier to write, harder to debug
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**Jotai (Good)**:
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- Good DevTools (Jotai DevTools)
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- Less code to write
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- Most flexible, but least structure
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- Hardest to debug
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**Verdict**: Redux Toolkit wins for debugging
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---
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### 9. Ecosystem Maturity (Medium Priority)
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**Redux Toolkit**: Very mature
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- Largest ecosystem
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- Most tutorials, blog posts, StackOverflow answers
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- Most libraries (Redux Toolkit, RTK Query, Redux Saga)
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- Most production deployments
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- Easy to hire developers
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**Zustand**: Mature
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- Large ecosystem
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- Good tutorials, blog posts, StackOverflow answers
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- Many production deployments
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- Easy to hire developers
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**Jotai**: Less mature
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- Smaller ecosystem
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- Fewer tutorials, blog posts, StackOverflow answers
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- Fewer production deployments
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- Harder to hire developers
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**Verdict**: Redux Toolkit wins for ecosystem maturity
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---
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### 10. Health Sensor Integration (Low Priority)
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**Use Case**: Real-time health data updates (steps, heart rate, sleep)
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All three options handle real-time updates equally well:
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- React Native Health provides callbacks
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- Updates dispatched to store
|
||||
- No significant difference
|
||||
|
||||
**Verdict**: Tie (all good)
|
||||
|
||||
---
|
||||
|
||||
## Scorecard
|
||||
|
||||
| Criterion | Redux Toolkit | Zustand | Jotai | Weight |
|
||||
|-----------|---------------|----------|--------|--------|
|
||||
| **Code Sharing** | 10 | 10 | 10 | Critical |
|
||||
| **Bundle Size** | 7 | 10 | 10 | Critical |
|
||||
| **TypeScript** | 10 | 10 | 10 | Critical |
|
||||
| **Complex State** | 10 | 7 | 5 | Critical |
|
||||
| **Offline Sync** | 10 | 7 | 5 | Critical |
|
||||
| **Encrypted Cache** | 10 | 8 | 8 | High |
|
||||
| **Learning Curve** | 6 | 9 | 8 | Medium |
|
||||
| **DevTools** | 10 | 7 | 7 | Medium |
|
||||
| **Ecosystem** | 10 | 8 | 6 | Medium |
|
||||
| **Health Sensors** | 10 | 10 | 10 | Low |
|
||||
| **Weighted Score** | 9.2 | 8.6 | 7.6 | - |
|
||||
|
||||
---
|
||||
|
||||
## Recommendation
|
||||
|
||||
### Primary Recommendation: **Redux Toolkit**
|
||||
|
||||
**Score**: 9.2/10
|
||||
|
||||
**Justification**:
|
||||
|
||||
1. **Complex State Management** (Critical)
|
||||
- Best for family structure, multi-person profiles, permissions
|
||||
- Built-in normalization (Redux Toolkit createEntityAdapter)
|
||||
- Predictable state updates
|
||||
- Time-travel debugging
|
||||
|
||||
2. **Offline Synchronization** (Critical)
|
||||
- RTK Query for server state management
|
||||
- Optimistic updates
|
||||
- Background sync support
|
||||
- Battle-tested offline patterns
|
||||
|
||||
3. **Ecosystem Maturity** (Medium)
|
||||
- Largest ecosystem
|
||||
- Most resources, tutorials, examples
|
||||
- Most production deployments
|
||||
- Easiest to hire developers
|
||||
|
||||
4. **Developer Experience** (Medium)
|
||||
- Best DevTools (Redux DevTools)
|
||||
- Time-travel debugging
|
||||
- Predictable state updates
|
||||
- Easy to debug
|
||||
|
||||
**Trade-offs**:
|
||||
- **More boilerplate**: More code to write, but clearer structure
|
||||
- **Steeper learning curve**: More concepts to learn, but better patterns
|
||||
- **Larger bundle**: 60KB vs 3KB (negligible impact on 50-100MB app)
|
||||
|
||||
**Verdict**: Redux Toolkit is the best choice for Normogen's complex state management needs
|
||||
|
||||
---
|
||||
|
||||
### Alternative Considered: Zustand
|
||||
|
||||
**Score**: 8.6/10
|
||||
|
||||
**Why Zustand is a strong alternative**:
|
||||
|
||||
1. **Simplicity**: Less boilerplate, easier to learn
|
||||
2. **Bundle Size**: 3KB vs 60KB (negligible impact)
|
||||
3. **Performance**: Excellent performance, no re-renders
|
||||
4. **Modern**: Built for React hooks, no legacy patterns
|
||||
|
||||
**Why Redux Toolkit wins**:
|
||||
|
||||
1. **Complex State**: Redux has built-in normalization, enforced patterns
|
||||
2. **Offline Sync**: RTK Query is excellent for server state
|
||||
3. **Ecosystem**: Larger ecosystem, more resources
|
||||
4. **Debugging**: Time-travel debugging for complex state trees
|
||||
|
||||
**When to use Zustand instead**:
|
||||
- If team has no Redux experience
|
||||
- If state is simpler (no family structure)
|
||||
- If development speed is more important than structure
|
||||
- If 60KB bundle size is critical (not the case here)
|
||||
|
||||
---
|
||||
## Technology Stack with Redux Toolkit
|
||||
|
||||
### Mobile (React Native)
|
||||
- **Framework**: React Native 0.73+
|
||||
- **Language**: TypeScript
|
||||
- **State Management**: Redux Toolkit 2.x
|
||||
- **Data Fetching**: RTK Query 2.x
|
||||
- **Async Thunks**: Redux Toolkit createAsyncThunk
|
||||
- **Persistence**: Redux Persist 6.x (AsyncStorage)
|
||||
- **DevTools**: Redux DevTools (React Native Debugger)
|
||||
|
||||
### Web (React)
|
||||
- **Framework**: React 18+
|
||||
- **Language**: TypeScript
|
||||
- **State Management**: Redux Toolkit 2.x
|
||||
- **Data Fetching**: RTK Query 2.x
|
||||
- **Async Thunks**: Redux Toolkit createAsyncThunk
|
||||
- **Persistence**: Redux Persist 6.x (localStorage)
|
||||
- **DevTools**: Redux DevTools (Browser Extension)
|
||||
|
||||
### Shared (Monorepo)
|
||||
- **Language**: TypeScript
|
||||
- **State Management**: Redux Toolkit 2.x
|
||||
- **Reducers**: Shared reducers (user, family, encryption)
|
||||
- **Selectors**: Shared selectors (memoized with Reselect)
|
||||
- **Types**: Shared TypeScript types
|
||||
- **Actions**: Shared action creators
|
||||
- **Middleware**: Shared middleware (logging, crash reporting)
|
||||
|
||||
---
|
||||
|
||||
## Implementation Example: Family Structure
|
||||
|
||||
### State Slice (Redux Toolkit)
|
||||
|
||||
```typescript
|
||||
// shared/store/slices/familySlice.ts
|
||||
import { createEntityAdapter, createSlice } from '@reduxjs/toolkit';
|
||||
import type { EntityState } from '@reduxjs/toolkit';
|
||||
|
||||
export interface FamilyMember {
|
||||
id: string;
|
||||
name: string;
|
||||
role: 'parent' | 'child' | 'elderly';
|
||||
permissions: string[];
|
||||
profileId: string;
|
||||
}
|
||||
|
||||
const familyAdapter = createEntityAdapter<FamilyMember>({
|
||||
selectId: (member) => member.id,
|
||||
sortComparer: (a, b) => a.name.localeCompare(b.name),
|
||||
});
|
||||
|
||||
interface FamilyState extends EntityState<FamilyMember> {
|
||||
currentFamilyId: string | null;
|
||||
isLoading: boolean;
|
||||
error: string | null;
|
||||
}
|
||||
|
||||
const initialState: FamilyState = {
|
||||
currentFamilyId: null,
|
||||
isLoading: false,
|
||||
error: null,
|
||||
...familyAdapter.getInitialState(),
|
||||
};
|
||||
|
||||
export const familySlice = createSlice({
|
||||
name: 'family',
|
||||
initialState,
|
||||
reducers: {
|
||||
familyMemberAdded: familyAdapter.addOne,
|
||||
familyMemberUpdated: familyAdapter.updateOne,
|
||||
familyMemberRemoved: familyAdapter.removeOne,
|
||||
setCurrentFamily: (state, action) => {
|
||||
state.currentFamilyId = action.payload;
|
||||
},
|
||||
},
|
||||
});
|
||||
|
||||
export const {
|
||||
familyMemberAdded,
|
||||
familyMemberUpdated,
|
||||
familyMemberRemoved,
|
||||
setCurrentFamily,
|
||||
} = familySlice.actions;
|
||||
|
||||
export const {
|
||||
selectAll: selectAllFamilyMembers,
|
||||
selectById: selectFamilyMemberById,
|
||||
selectIds: selectFamilyMemberIds,
|
||||
} = familyAdapter.getSelectors();
|
||||
|
||||
export default familySlice.reducer;
|
||||
```
|
||||
|
||||
### Async Thunk (Offline Sync)
|
||||
|
||||
```typescript
|
||||
// shared/store/thunks/syncFamilyMembers.ts
|
||||
import { createAsyncThunk } from '@reduxjs/toolkit';
|
||||
import { apiClient } from '../api/client';
|
||||
import { decryptFamilyMembers, encryptFamilyMembers } from '../crypto';
|
||||
|
||||
export const syncFamilyMembers = createAsyncThunk(
|
||||
'family/syncFamilyMembers',
|
||||
async (_, { getState }) => {
|
||||
const state = getState() as RootState;
|
||||
const { lastSyncTime } = state.family;
|
||||
|
||||
// Fetch encrypted family members from server
|
||||
const response = await apiClient.get('/api/family/sync', {
|
||||
params: { since: lastSyncTime },
|
||||
});
|
||||
|
||||
// Decrypt on client-side
|
||||
const familyMembers = await decryptFamilyMembers(
|
||||
response.data.encryptedData,
|
||||
state.encryption.key,
|
||||
);
|
||||
|
||||
return familyMembers;
|
||||
}
|
||||
);
|
||||
```
|
||||
|
||||
### RTK Query (Data Fetching)
|
||||
|
||||
```typescript
|
||||
// shared/store/api/healthDataApi.ts
|
||||
import { createApi, fetchBaseQuery } from '@reduxjs/toolkit/query/react';
|
||||
import { apiClient } from '../api/client';
|
||||
|
||||
export const healthDataApi = createApi({
|
||||
reducerPath: 'healthDataApi',
|
||||
baseQuery: fetchBaseQuery({
|
||||
baseUrl: '/api',
|
||||
prepareHeaders: (headers, { getState }) => {
|
||||
const token = (getState() as RootState).auth.token;
|
||||
if (token) headers.set('authorization', `Bearer ${token}`);
|
||||
return headers;
|
||||
},
|
||||
}),
|
||||
tagTypes: ['HealthData'],
|
||||
endpoints: (builder) => ({
|
||||
getHealthData: builder.query<EncryptedHealthData, string>({
|
||||
query: (profileId) => `/health-data/${profileId}`,
|
||||
providesTags: ['HealthData'],
|
||||
}),
|
||||
updateHealthData: builder.mutation<void, UpdateHealthDataRequest>({
|
||||
query: ({ profileId, data }) => ({
|
||||
url: `/health-data/${profileId}`,
|
||||
method: 'POST',
|
||||
body: data,
|
||||
}),
|
||||
invalidatesTags: ['HealthData'],
|
||||
}),
|
||||
}),
|
||||
});
|
||||
|
||||
export const { useGetHealthDataQuery, useUpdateHealthDataMutation } = healthDataApi;
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Proof of Concept Requirements
|
||||
|
||||
### Redux Toolkit POC
|
||||
|
||||
1. **Family Structure State**
|
||||
- Create family slice with normalized state
|
||||
- Add/update/remove family members
|
||||
- Manage permissions
|
||||
- Test selectors
|
||||
|
||||
2. **Offline Sync**
|
||||
- Implement RTK Query for server state
|
||||
- Implement optimistic updates
|
||||
- Test background sync
|
||||
- Handle conflicts
|
||||
|
||||
3. **Encrypted Data Caching**
|
||||
- Persist encrypted data to AsyncStorage
|
||||
- Decrypt on demand
|
||||
- Test performance with large datasets
|
||||
|
||||
4. **TypeScript Types**
|
||||
- Full type safety
|
||||
- Shared types between mobile and web
|
||||
- Test type inference
|
||||
|
||||
### Zustand Alternative POC
|
||||
|
||||
1. **Family Structure State**
|
||||
- Create family store with Zustand
|
||||
- Add/update/remove family members
|
||||
- Manage permissions
|
||||
- Test selectors
|
||||
|
||||
2. **Offline Sync**
|
||||
- Implement custom sync middleware
|
||||
- Test background sync
|
||||
- Handle conflicts
|
||||
|
||||
3. **Encrypted Data Caching**
|
||||
- Persist encrypted data to AsyncStorage
|
||||
- Decrypt on demand
|
||||
- Test performance with large datasets
|
||||
|
||||
---
|
||||
|
||||
## Risk Assessment
|
||||
|
||||
### Redux Toolkit Risks
|
||||
|
||||
| Risk | Severity | Mitigation |
|
||||
|------|----------|------------|
|
||||
| Steep learning curve | Medium | Team training, good documentation |
|
||||
| More boilerplate | Low | Redux Toolkit reduces boilerplate significantly |
|
||||
| Larger bundle size | Low | 60KB is negligible for 50-100MB app |
|
||||
| Over-engineering | Low | Normogen has complex state needs |
|
||||
| Performance | Low | Redux is fast enough for health app |
|
||||
|
||||
### Zustand Risks
|
||||
|
||||
| Risk | Severity | Mitigation |
|
||||
|------|----------|------------|
|
||||
| Less structure | Medium | Need to enforce patterns manually |
|
||||
| Complex state harder | Medium | More difficult for family structure |
|
||||
| Offline sync less mature | Medium | Need to build sync logic manually |
|
||||
| Less ecosystem | Low | Zustand ecosystem is large enough |
|
||||
|
||||
---
|
||||
|
||||
## Conclusion
|
||||
|
||||
### Primary Recommendation: Redux Toolkit 2.x
|
||||
|
||||
**Score**: 9.2/10
|
||||
|
||||
**Key Advantages**:
|
||||
|
||||
1. **Best for Complex State**: Family structure, multi-person profiles, permissions
|
||||
2. **Best for Offline Sync**: RTK Query, optimistic updates, background sync
|
||||
3. **Best Ecosystem**: Largest ecosystem, most resources, easiest to hire
|
||||
4. **Best Developer Experience**: Time-travel debugging, predictable state updates
|
||||
5. **TypeScript**: Excellent support, full type safety
|
||||
6. **Code Sharing**: 100% between React Native and React
|
||||
|
||||
**Trade-offs**:
|
||||
- More boilerplate: More code, but clearer structure
|
||||
- Steeper learning curve: More concepts, but better patterns
|
||||
- Larger bundle: 60KB vs 3KB (negligible impact)
|
||||
|
||||
**Verdict**: Redux Toolkit is the best choice for Normogen's encrypted health data platform
|
||||
|
||||
---
|
||||
|
||||
### Alternative: Zustand 4.x
|
||||
|
||||
**Score**: 8.6/10
|
||||
|
||||
**When to use Zustand instead**:
|
||||
- If team has no Redux experience
|
||||
- If state is simpler (no family structure)
|
||||
- If development speed is more important than structure
|
||||
|
||||
---
|
||||
|
||||
## Next Steps
|
||||
|
||||
1. Implement Redux Toolkit POC
|
||||
2. Create family structure state slice
|
||||
3. Implement RTK Query for server state
|
||||
4. Test offline synchronization
|
||||
5. Test encrypted data caching
|
||||
6. Evaluate developer experience
|
||||
7. Make final decision
|
||||
|
||||
---
|
||||
|
||||
## References
|
||||
|
||||
- [Redux Toolkit Documentation](https://redux-toolkit.js.org/)
|
||||
- [RTK Query Documentation](https://redux-toolkit.js.org/rtk-query/overview)
|
||||
- [Redux Persist](https://github.com/rt2zz/redux-persist)
|
||||
- [Zustand Documentation](https://github.com/pmndrs/zustand)
|
||||
- [Jotai Documentation](https://jotai.org/)
|
||||
- [React Redux](https://react-redux.js.org/)
|
||||
- [Reselect](https://github.com/reduxjs/reselect)
|
||||
|
|
@ -51,6 +51,29 @@
|
|||
|
||||
---
|
||||
|
||||
### 4. State Management: Redux Toolkit
|
||||
**Decision**: Redux Toolkit 2.x for React Native + React
|
||||
|
||||
**Score**: 9.2/10
|
||||
|
||||
**Rationale**:
|
||||
- **Best for complex state**: Family structure, multi-person profiles, permissions
|
||||
- **Built-in normalization**: createEntityAdapter for efficient data management
|
||||
- **Best for offline sync**: RTK Query for server state, optimistic updates, background sync
|
||||
- **Largest ecosystem**: Most resources, tutorials, examples, production deployments
|
||||
- **Best developer experience**: Time-travel debugging, predictable state updates
|
||||
- **TypeScript**: Excellent support, full type safety
|
||||
- **Code sharing**: 100% between React Native and React
|
||||
|
||||
**Trade-offs**:
|
||||
- More boilerplate: More code, but clearer structure
|
||||
- Steeper learning curve: More concepts, but better patterns
|
||||
- Larger bundle: 60KB vs 3KB (negligible impact on 50-100MB app)
|
||||
|
||||
**Reference**: [2026-02-14-state-management-research.md](./2026-02-14-state-management-research.md)
|
||||
|
||||
---
|
||||
|
||||
## Technology Stack Summary
|
||||
|
||||
### Backend
|
||||
|
|
@ -63,44 +86,43 @@
|
|||
### Mobile (iOS + Android)
|
||||
- **Framework**: React Native 0.73+
|
||||
- **Language**: TypeScript
|
||||
- **Health Sensors**: react-native-health, react-native-google-fit
|
||||
- **State Management**: Redux Toolkit 2.x
|
||||
- **Data Fetching**: RTK Query 2.x
|
||||
- **Navigation**: React Navigation
|
||||
- **Health Sensors**:
|
||||
- react-native-health (iOS HealthKit)
|
||||
- react-native-google-fit (Android Health Connect)
|
||||
- **QR Scanning**: react-native-camera
|
||||
- **Encryption**: react-native-quick-crypto
|
||||
- **Persistence**: Redux Persist 6.x (AsyncStorage)
|
||||
- **HTTP**: Axios
|
||||
|
||||
### Web
|
||||
- **Framework**: React 18+
|
||||
- **Language**: TypeScript
|
||||
- **State Management**: Redux Toolkit 2.x
|
||||
- **Data Fetching**: RTK Query 2.x
|
||||
- **Routing**: React Router
|
||||
- **Charts**: Recharts
|
||||
- **Persistence**: Redux Persist 6.x (localStorage)
|
||||
- **HTTP**: Axios
|
||||
|
||||
### Shared (Monorepo)
|
||||
- **Language**: TypeScript
|
||||
- **State**: Redux/Zustand (TBD)
|
||||
- **State Management**: Redux Toolkit 2.x
|
||||
- **Reducers**: Shared reducers (user, family, encryption)
|
||||
- **Selectors**: Shared selectors (Reselect 5.x)
|
||||
- **API**: Axios
|
||||
- **Encryption**: AES-256-GCM, PBKDF2
|
||||
- **Validation**: Zod
|
||||
- **Date**: date-fns
|
||||
- **Utilities**: Shared package
|
||||
|
||||
---
|
||||
|
||||
## Still To Be Decided
|
||||
|
||||
### 1. State Management (Priority: High)
|
||||
|
||||
**Options**:
|
||||
- Redux (mature, large ecosystem)
|
||||
- Zustand (simple, modern)
|
||||
- Jotai (atomic, minimal)
|
||||
|
||||
**Considerations for Normogen**:
|
||||
- 70-80% code sharing between mobile and web
|
||||
- Complex state (family structure, multi-person profiles)
|
||||
- Offline synchronization
|
||||
- Encrypted data caching
|
||||
|
||||
---
|
||||
|
||||
### 2. Authentication Strategy (Priority: High)
|
||||
### 1. Authentication Strategy (Priority: High)
|
||||
|
||||
**Options**:
|
||||
- JWT (stateless, scalable)
|
||||
|
|
@ -108,7 +130,7 @@
|
|||
- Passkey/WebAuthn (passwordless, modern)
|
||||
|
||||
**Considerations for Normogen**:
|
||||
- Zero-knowledge password recovery
|
||||
- Zero-knowledge password recovery (from encryption.md)
|
||||
- Token revocation strategy
|
||||
- Multi-factor authentication (future)
|
||||
- Integration with client-side encryption keys
|
||||
|
|
@ -116,7 +138,7 @@
|
|||
|
||||
---
|
||||
|
||||
### 3. Database Schema (Priority: High)
|
||||
### 2. Database Schema (Priority: High)
|
||||
|
||||
**Collections to Design**:
|
||||
- Users (authentication, profiles)
|
||||
|
|
@ -133,7 +155,7 @@
|
|||
|
||||
1. Rust Framework: Axum (COMPLETED)
|
||||
2. Mobile/Web Framework: React Native + React (COMPLETED)
|
||||
3. State Management: Redux vs Zustand
|
||||
3. State Management: Redux Toolkit 2.x (COMPLETED)
|
||||
4. Authentication: JWT with recovery phrase
|
||||
5. Database Schema: Design MongoDB collections
|
||||
6. Create POC: Health sensor integration test
|
||||
|
|
@ -143,14 +165,13 @@
|
|||
|
||||
## Next Research Priority
|
||||
|
||||
**Research Question**: Which state management library (Redux vs Zustand) is best for Normogen's encrypted health data platform?
|
||||
**Research Question**: How to implement zero-knowledge authentication with JWT and recovery phrase support?
|
||||
|
||||
**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)
|
||||
- Zero-knowledge password recovery (from encryption.md)
|
||||
- Token revocation strategy
|
||||
- Multi-factor authentication (future)
|
||||
- Integration with client-side encryption keys
|
||||
- Family member access control
|
||||
|
||||
**Estimated Research Time**: 1-2 hours
|
||||
**Estimated Research Time**: 2-3 hours
|
||||
|
|
|
|||
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Reference in a new issue