Major refactor into type safe TS

With a risk oof rolling it all back

src/types/ManagerTypes.ts

@@ -0,0 +1,92 @@
+import { IEventBus, CalendarEvent, CalendarView } from './CalendarTypes';
+import { IManager } from '../interfaces/IManager';
+
+/**
+ * Complete type definition for all managers returned by ManagerFactory
+ */
+export interface CalendarManagers {
+  eventManager: EventManager;
+  eventRenderer: EventRenderingService;
+  gridManager: GridManager;
+  scrollManager: ScrollManager;
+  navigationManager: unknown; // Avoid interface conflicts
+  viewManager: ViewManager;
+  calendarManager: CalendarManager;
+  dragDropManager: unknown; // Avoid interface conflicts
+  allDayManager: unknown; // Avoid interface conflicts
+}
+
+export interface EventManager extends IManager {
+  loadData(): Promise<void>;
+  getEvents(): CalendarEvent[];
+  getEventsForPeriod(startDate: Date, endDate: Date): CalendarEvent[];
+  getResourceData(): ResourceData | null;
+  navigateToEvent(eventId: string): boolean;
+}
+
+export interface EventRenderingService extends IManager {
+  // EventRenderingService doesn't have a render method in current implementation
+}
+
+export interface GridManager extends IManager {
+  render(): Promise<void>;
+  getDisplayDates(): Date[];
+  setResourceData(resourceData: import('./CalendarTypes').ResourceCalendarData | null): void;
+}
+
+export interface ScrollManager extends IManager {
+  scrollTo(scrollTop: number): void;
+  scrollToHour(hour: number): void;
+}
+
+// Use a more flexible interface that matches actual implementation
+export interface NavigationManager extends IManager {
+  [key: string]: unknown; // Allow any properties from actual implementation
+}
+
+export interface ViewManager extends IManager {
+  // ViewManager doesn't have setView in current implementation
+  getCurrentView?(): CalendarView;
+}
+
+export interface CalendarManager extends IManager {
+  setView(view: CalendarView): void;
+  setCurrentDate(date: Date): void;
+  getInitializationReport(): InitializationReport;
+}
+
+export interface DragDropManager extends IManager {
+  // DragDropManager has different interface in current implementation
+}
+
+export interface AllDayManager extends IManager {
+  [key: string]: unknown; // Allow any properties from actual implementation
+}
+
+export interface ResourceData {
+  resources: Resource[];
+  assignments?: ResourceAssignment[];
+}
+
+export interface Resource {
+  id: string;
+  name: string;
+  type?: string;
+  color?: string;
+}
+
+export interface ResourceAssignment {
+  resourceId: string;
+  eventId: string;
+}
+
+export interface InitializationReport {
+  initialized: boolean;
+  timestamp: number;
+  managers: {
+    [key: string]: {
+      initialized: boolean;
+      error?: string;
+    };
+  };
+}