iOS Platform Rules

Respect safe areas, system gestures, and device insets.
Support back navigation and route restoration through go_router without duplicating navigation state in Riverpod.
Use touch targets of at least 48 logical px where practical.
Account for keyboard behavior and changing insets.
Prefer single-pane layouts on narrow screens.
Preserve editor state and scroll position during navigation.
Respect system text scaling and app lifecycle events.
Verify keyboard, gesture navigation, lifecycle restoration, and safe-area behavior during smoke tests.