Convert JSON design tokens into typed Dart and ThemeData to ensure consistent, performant Flutter mobile UIs.

Custom ScrollPhysics lets you implement precise snap and paging by overriding createBallisticSimulation and returning spring simulations.

Reserve layout space and cache measurements to eliminate layout thrash and keep scrolling smooth.

Use Hero widgets with matching tags and lightweight flight builders for smooth shared element transitions.

Treat windows as independent controllers; use IPC or shared storage for state and design for resizable, keyboard-first desktop UX.

Use direction-aware widgets, start/end properties, and locale-specific fonts to achieve full RTL support in Flutter.

Use release builds, deferred imports, and asset/dependency auditing to shrink Flutter web bundles for better mobile delivery.

Use CustomScrollView with SliverPersistentHeader and SliverGrid to build a lazy, high-performance calendar grid in Flutter.