Decouples calendar navigation from direct DOM events
Adds new event constants for calendar navigation commands
Updates CalendarApp to handle navigation via event bus
Simplifies navigation logic and improves event-driven architecture
Introduces HeaderDrawerRenderer and HeaderDrawerLayoutEngine to support dragging events into an all-day header drawer
Enables dynamic event placement and conversion between timed and all-day events through new drag interactions
Implements flexible layout calculation for header items with column and row management
Extends DragDropManager to handle header zone interactions
Adds new event types for header drag events
Implements EdgeScrollManager to enable automatic scrolling during drag operations
Introduces new scroll management system that:
- Detects mouse proximity to container edges
- Provides variable scroll speed based on mouse position
- Compensates dragged elements during scrolling
Enhances drag-and-drop user experience with smooth scrolling
Introduces support for moving events between columns during drag
Tracks column changes and updates event positioning dynamically
Enables smooth cross-column event dragging experience
Introduces comprehensive data management system for calendar V2
- Adds IndexedDB storage with pluggable entity services
- Implements EventBus for decoupled event communication
- Creates data seeding mechanism for initial application setup
- Establishes sync and repository abstractions for flexible data handling
