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From role-mobile
Provides expert guidance on Flutter 3.27+ and Dart 3.3+ for building/optimizing mobile/web/desktop apps, covering Riverpod/BLoC state, GoRouter navigation, Drift storage, Patrol testing, on-device AI.
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- Building or optimizing a Flutter application for mobile, web, or desktop
Guides expert Flutter 3.x and Dart 3.x development for multi-platform apps, including advanced widgets, state management with Riverpod/Bloc/GetX, performance optimization, and architecture patterns.
Guides Flutter 3.27+ development using Riverpod 2 codegen for state, GoRouter 14+ navigation, Impeller rendering, WASM web, extension types, on-device AI with firebase_ai/MediaPipe, Patrol 3.x testing, platform channels, and performance optimization.
Guides Flutter cross-platform app development: widget patterns, Riverpod/Bloc state management, GoRouter navigation, const/performance optimization, responsive layouts, testing, DevTools.
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const constructors skip rebuilds; Flutter can only optimize what it knows is stablesetState + composition for simple cases; consider Riverpod only after understanding its framework-level weighthttp for networking baseline, Dio only when needed — interceptors, cancellation, and FormData are real reasons; don't add Dio speculativelyIsolate.run() for CPU-intensive tasks; never block the main isolateextension type UserId(String _) implements String {} prevents primitive obsessionflutter build web --wasm is the production default; CanvasKit is legacyreferences/dart3-state-navigation.md — widget composition best practices, Dart 3.3+ records/patterns/sealed classes/extension types/macros, Riverpod 2 with codegen, BLoC/Cubit 9.x, Signals, GoRouter 14+ with StatefulShellRoute, auto_routereferences/networking-storage-testing.md — Dio interceptors and cancellation, retrofit code-gen, Ferry/Artemis GraphQL, Drift reactive ORM, ObjectBox, Isar, Hive CE, Realm, SharedPreferences, widget tests, golden tests, Patrol 3.x native automation, alchemist golden tests, Mocktail, bloc_testreferences/platform-tooling-performance.md — Flutter Web WASM (default), Desktop (macOS/Windows/Linux), on-device AI (firebase_ai, google_generative_ai, MediaPipe Tasks), Flame game engine, Serverpod 2.x, Dart Frog, Mason bricks, very_good_cli, flutter_gen, custom_lint, Pigeon type-safe channels, FFI, Flutter Hooks, freezed, Impeller performance checklist