Architecture Patterns
Simon Expo Header Base
Opinionated workflow for building Simon-style Expo Router headers. Use when creating or refactoring screen headers, title bars, toolbars, search bars, form sheets, or liquid-glass header surfaces in this repo, and you need to match existing `Stack.Header`, `Stack.Screen.Title`, `Stack.Toolbar`, `Stack.Toolbar.View`, `Stack.SearchBar`, and `sheetAllowedDetents` patterns.