Simplifies calendar rendering process by introducing a new RenderBuilder pattern
Improves flexibility and modularity of grouping renderer chain
Decouples rendering logic from specific grouping types
Enables dynamic column span calculation and recursive rendering
Reduces complexity in CalendarOrchestrator
Enhances type safety and simplifies renderer interfaces
Introduces dependency injection container and composition root
Adds core services like DateService and NavigationAnimator
Simplifies CalendarOrchestrator with improved store handling
Implements mock stores and demo application for V2 calendar
