Lower deployment target to iOS 16, replace @Observable with ObservableObject, add navigation and UI compatibility shims, and include login smoke UI tests. Co-authored-by: Cursor <cursoragent@cursor.com>
Lower deployment target to iOS 16, replace @Observable with ObservableObject, add navigation and UI compatibility shims, and include login smoke UI tests. Co-authored-by: Cursor <cursoragent@cursor.com>