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Architecture Diagrams

These diagrams are intentionally conceptual. They are designed to help teams explain the system quickly, align implementation boundaries, and document ownership.

1. Product architecture layers​

┌──────────────────────────────────────────────┐
│ Product Features                             │
│ screens, flows, forms, feature hooks         │
├──────────────────────────────────────────────┤
│ Shared App Platform                          │
│ navigation, auth, analytics, storage, flags  │
├──────────────────────────────────────────────┤
│ Design System                                │
│ tokens, primitives, composed UI              │
├──────────────────────────────────────────────┤
│ Native Integration Layer                     │
│ notifications, biometrics, SDK wrappers      │
├──────────────────────────────────────────────┤
│ iOS / Android Host Platforms                 │
└──────────────────────────────────────────────┘

2. Runtime interaction model​

React Components
  -> React Native renderer
  -> host views and layout
  -> platform event loop

JavaScript services
  -> app-owned wrappers
  -> native modules / SDKs
  -> platform APIs

3. Enterprise repository model​

apps/
  consumer-app
  internal-app
packages/
  mobile-ui
  mobile-platform
  mobile-native
  analytics-contracts
tooling/
  release
  ci
docs/
  handbook

4. Release pipeline model​

commit
  -> CI validation
  -> development build
  -> QA / preview
  -> release candidate
  -> staged rollout
  -> production monitoring

How to use these diagrams​

  • include them in onboarding
  • attach them to ADRs
  • map ownership to each layer
  • evolve them when architecture changes

The value is not artistic polish. The value is shared understanding.