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From billy-milligan
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.
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- **const widgets everywhere**: `const` constructor = compile-time constant = O(1) rebuild check.
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.
Guides Flutter cross-platform app development: widget patterns, Riverpod/Bloc state management, GoRouter navigation, const/performance optimization, responsive layouts, testing, DevTools.
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.
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const constructor = compile-time constant = O(1) rebuild check.@riverpod annotation — generated code is the contract; never manual provider wiring.@TypedGoRoute, StatefulShellRoute for tab state.isLoading/hasError bools.extension type UserId(String _) implements String {} — zero-cost, compile-time safe.flutter build web --wasm is the production default; dart:js_interop replaces dart:html.references/state-management.md — Riverpod 2 codegen, BLoC 9.x, Provider comparison, Signalsreferences/navigation.md — GoRouter 14+, StatefulShellRoute, type-safe routes, deep linking, auth guardsreferences/platform-channels.md — Pigeon (recommended), MethodChannel, EventChannel, dart:ffireferences/performance.md — Widget rebuild optimization, ListView.builder, isolates, Impeller profilingreferences/flutter-profiling.md — DevTools frame timeline, memory leak detection, RepaintBoundary, Impeller vs Skia, platform channel overhead