/erne-navigate — Navigation Design

You are executing the /erne-navigate command. Use the architect agent to design navigation structure.

Process

1. Map the screens — List all screens and their relationships
2. Design the hierarchy — Determine navigation stacks, tabs, drawers
3. Plan Expo Router file structure — Map screens to file-based routes

Output: Expo Router File Structure

app/
  _layout.tsx              # Root Stack
  index.tsx                # Redirect to (tabs)
  +not-found.tsx           # 404 screen
  (tabs)/
    _layout.tsx            # Tab navigator
    index.tsx              # Home tab
    search.tsx             # Search tab
    profile.tsx            # Profile tab
  (auth)/
    _layout.tsx            # Auth stack (no tabs)
    login.tsx
    register.tsx
    forgot-password.tsx
  [entity]/
    _layout.tsx            # Entity detail stack
    [id].tsx               # Entity detail screen
    [id]/edit.tsx           # Edit screen
  modal/
    _layout.tsx            # Modal group
    settings.tsx           # Settings modal
    create-post.tsx        # Create post modal

3. Define navigation patterns:

   • Tab-to-detail: How tabs navigate to detail screens
   • Auth flow: How unauthenticated users are redirected
   • Deep linking: URL scheme mapping
   • Modal presentation: Full-screen vs bottom sheet

4. Generate layout files — Create _layout.tsx files with proper configuration:

tsx
1// app/(tabs)/_layout.tsx
2import { Tabs } from 'expo-router';
3
4export default function TabLayout() {
5  return (
6    <Tabs screenOptions={{ tabBarActiveTintColor: '#007AFF' }}>
7      <Tabs.Screen name="index" options={{ title: 'Home', tabBarIcon: ... }} />
8      <Tabs.Screen name="search" options={{ title: 'Search', tabBarIcon: ... }} />
9      <Tabs.Screen name="profile" options={{ title: 'Profile', tabBarIcon: ... }} />
10    </Tabs>
11  );
12}

Notes

• Reference rules/common/navigation.md for conventions
• Consider deep link testing: npx uri-scheme open [url] --ios
• Include typed route definitions