Prebuilt animation primitives with timeline sequencing and spring physics
Declarative API client with typed responses, retries, and interceptors
Token-based design system with themes, JSON import/export, and validation
Analytics event tracking with filtering, buffering, and multi-sink export
Declarative form validation with composable rules and JSON schemas
Unified notification scheduling with channels, priorities, and payload management
Unified secure storage with built-in encryption and pluggable backends
Visual snapshot testing for Flutter widgets with golden file comparison
Debug overlay showing state changes, rebuild counts, and transition history
Offline-first data sync with conflict resolution, retry queues, and local caching