Enhances event layout engine with advanced rendering logic

Introduces sophisticated event layout algorithm for handling complex scheduling scenarios

Adds support for:
- Grid and stacked event rendering
- Automatic column allocation
- Nested event stacking
- Threshold-based event grouping

Improves visual representation of overlapping and concurrent events

src/v2/demo/DemoApp.ts

@@ -10,7 +10,9 @@ import { ViewConfig } from '../core/ViewConfig';
 import { DragDropManager } from '../managers/DragDropManager';
 import { EdgeScrollManager } from '../managers/EdgeScrollManager';
 import { ResizeManager } from '../managers/ResizeManager';
+import { EventPersistenceManager } from '../managers/EventPersistenceManager';
 import { HeaderDrawerRenderer } from '../features/headerdrawer/HeaderDrawerRenderer';
+import { AuditService } from '../storage/audit/AuditService';
 
 export class DemoApp {
   private animator!: NavigationAnimator;
@@ -29,7 +31,9 @@ export class DemoApp {
     private dragDropManager: DragDropManager,
     private edgeScrollManager: EdgeScrollManager,
     private resizeManager: ResizeManager,
-    private headerDrawerRenderer: HeaderDrawerRenderer
+    private headerDrawerRenderer: HeaderDrawerRenderer,
+    private eventPersistenceManager: EventPersistenceManager,
+    private auditService: AuditService
   ) {}
 
   async init(): Promise<void> {