Build iOS App Clips with invocation URLs, NFC, QR codes, App Clip Codes, Safari banners, Maps, Messages, and shared App Group data handoff to the full app. Covers target setup, experience configuration, size limits, NSUserActivity handling, SKOverlay promotion, location confirmation, and capability limits. Use when creating App Clips or wiring App Clip invocation and full-app migration.
Increase widget visibility on Apple Watch using RelevanceKit. Use when providing contextual relevance signals for watchOS widgets, declaring time-based or location-based relevance, combining multiple relevance providers, or helping the system surface the right widget at the right time on watchOS 26.
Implement SwiftUI navigation patterns including NavigationStack, NavigationSplitView, sheet presentation, tab-based navigation, and deep linking. Use when building push navigation, programmatic routing, multi-column layouts, modal sheets, tab bars, universal links, or custom URL scheme handling.
Implement, review, or improve SwiftUI Liquid Glass effects for iOS 26+. Covers glassEffect modifier, GlassEffectContainer, glass button styles, glass toolbar, glass tab bar, morphing transitions, translucent material, vibrancy, tinting, interactive glass, ToolbarSpacer, scrollEdgeEffectStyle, backgroundExtensionEffect, and availability gating. Use when asked about Liquid Glass, glass buttons, glassEffect, GlassEffectContainer, GlassEffectTransition, glassEffectID, glassEffectUnion, scroll edge effects, or adopting iOS 26 design.
Implement, review, or improve widgets, Live Activities, and controls using WidgetKit and ActivityKit. Use when building home screen, Lock Screen, or StandBy widgets with timeline providers; when creating interactive widgets with Button/Toggle and AppIntent actions; when adding Live Activities with Dynamic Island layouts (compact, minimal, expanded); when building Control Center widgets with ControlWidgetButton/ControlWidgetToggle; when configuring widget families, refresh budgets, deep links, push-based reloads, or Liquid Glass rendering; or when setting up widget extensions, App Groups, and entitlements.
Implement, review, or improve photo picking, camera capture, and media handling in iOS apps using PhotoKit and AVFoundation. Use when working with PhotosPicker, PHPickerViewController, camera capture sessions (AVCaptureSession), photo library access, image loading and display, video recording, or media permissions. Also use when selecting photos from the library, taking pictures, recording video, processing images, or handling photo/camera privacy permissions in Swift apps.
Implement, review, or improve Live Activities and Dynamic Island experiences in iOS apps using ActivityKit. Use when building real-time updating widgets for the Lock Screen and Dynamic Island — delivery tracking, sports scores, ride-sharing status, workout timers, media playback, or any time-sensitive information that updates in real time. Also use when working with ActivityKit, ActivityAttributes, Activity lifecycle (request/update/end), Dynamic Island layouts (compact/minimal/expanded), push-to-update Live Activities, or Lock Screen live widgets.
Implement FFI bindings for WaterUI components across Rust, Apple Swift, and Android Kotlin/JNI layers. Use when adding new component types, metadata wrappers, or fixing native binding errors (UnsatisfiedLinkError, missing symbols, type mismatches).
Decompose a user objective into a segmented journey. Each segment is a multi-view mini-app. Segments are separated by LLM decision points where the orchestrator decides what comes next.
Implement navigation patterns with go_router, deep linking, and named routes. Use when building navigation, deep linking, or named routes in Flutter. (triggers: **/*_route.dart, **/*_router.dart, **/main.dart, Navigator, GoRouter, routes, deep link, go_router, AutoRoute)
Set up navigation stacks and deep linking with React Navigation in React Native. Use when setting up navigation stacks or deep linking in React Native with React Navigation. (triggers: **/App.tsx, **/*Navigator.tsx, **/*Screen.tsx, NavigationContainer, createStackNavigator, createBottomTabNavigator, linking, deep link)
Configure SwiftUI state, view lifecycle, and Property Wrappers correctly. Use when managing SwiftUI state, view lifecycle, or property wrappers like @State and @Binding. (triggers: **/*.swift, @State, @Binding, @ObservedObject, View, body)
Configure Hilt dependency injection with proper scoping, modules, and constructor injection in Android. Use when setting up Hilt DI, component scoping, or defining modules. (triggers: **/*Module.kt, **/*Component.kt, @HiltAndroidApp, @Inject, @Provides, @Binds)
Secure storage, network traffic, and deep links in React Native mobile apps. Use when implementing secure storage, certificate pinning, or deep link validation in React Native. (triggers: **/*.tsx, **/*.ts, security, keychain, secure-storage, deep-link, certificate-pinning)
Push notifications for React Native using Firebase or Expo Notifications. Use when integrating push notifications with Firebase or Expo in React Native. (triggers: **/*notification*.ts, **/*notification*.tsx, **/App.tsx, Notifications, messaging, FCM, expo-notifications, react-native-firebase)
Deploy Spring Boot apps with Docker, GraalVM native images, and graceful shutdown. Use when deploying Spring Boot apps as GraalVM native images, containers, or configuring shutdown. (triggers: Dockerfile, compose.yml, docker-layer, native-image, graceful-shutdown)
Implement async/await, Actors, and structured concurrency in Swift. Use when implementing Swift async/await, Actors, or structured concurrency in iOS/macOS. (triggers: **/*.swift, async, await, actor, Task, MainActor)
OTA updates with CodePush, EAS Build, and release configurations. Use when configuring OTA updates, EAS Build, or managing release configs for React Native. (triggers: app.json, eas.json, android/app/build.gradle, ios/**, deployment, codepush, eas, release, build, fastlane)
Implement Jetpack Navigation Component with XML graphs and SafeArgs for type-safe fragment navigation. Use when working with XML-based Navigation Component or SafeArgs in Android. (triggers: navigation/*.xml, findNavController, NavDirections, navArgs)
Resolve iOS and Android differences using Platform API and native modules in React Native. Use when handling platform-specific behavior or integrating native modules in React Native. (triggers: **/*.tsx, **/*.ts, **/*.ios.*, **/*.android.*, Platform, Platform.select, native-module, ios, android)
Configure ViewModel state emission with StateFlow, sealed UiState classes, and lifecycle-safe collection in Android. Use when working with ViewModel files, UiState sealed classes, MutableStateFlow, collectAsStateWithLifecycle, or exposing state from ViewModels. (triggers: **/*ViewModel.kt, **/*UiState.kt, viewmodel, stateflow, livedata, uistate, MutableStateFlow, collectAsState, viewModelScope, UiState)
Organize strings, drawables, and Localization resources on Android. Use when managing Android resources, drawables, or adding localization support. (triggers: strings.xml, **/*Screen.kt, stringResource, plurals, R.string)
Implement navigation with Jetpack Compose Navigation and App Links on Android. Use when implementing navigation flows, deep links, or backstack handling in Android. (triggers: **/*Screen.kt, **/*Activity.kt, **/NavGraph.kt, NavController, NavHost, composable, navArgument, deepLinks)
