Remove resource calendar mode support

Simplifies calendar configuration and removes resource-specific code paths

Eliminates complexity around resource-based calendar rendering by:
- Removing ResourceCalendarData type
- Removing resource-specific renderers and managers
- Streamlining event and grid management logic
- Consolidating to single date-based calendar implementation

src/types/CalendarTypes.ts

@@ -3,27 +3,11 @@
 // Time period view types (how much time to display)
 export type ViewPeriod = 'day' | 'week' | 'month';
 
-// Calendar mode types (how to organize the data)
-export type CalendarMode = 'date' | 'resource';
-
 // Type aliases
 export type CalendarView = ViewPeriod;
 
 export type SyncStatus = 'synced' | 'pending' | 'error';
 
-export interface Resource {
-  name: string;
-  displayName: string;
-  avatarUrl: string;
-  employeeId: string;
-  events: CalendarEvent[];
-}
-
-export interface ResourceCalendarData {
-  date: string;
-  resources: Resource[];
-}
-
 export interface RenderContext {
   container: HTMLElement;
   startDate: Date;
@@ -38,14 +22,7 @@ export interface CalendarEvent {
   type: string;  // Flexible event type - can be any string value
   allDay: boolean;
   syncStatus: SyncStatus;
-  
-  // Resource information (only present in resource calendar mode)
-  resource?: {
-    name: string;
-    displayName: string;
-    employeeId: string;
-  };
-  
+
   recurringId?: string;
   metadata?: Record<string, any>;
 }

src/types/ManagerTypes.ts

@@ -31,7 +31,6 @@ export interface EventManager extends IManager {
   loadData(): Promise<void>;
   getEvents(): CalendarEvent[];
   getEventsForPeriod(startDate: Date, endDate: Date): CalendarEvent[];
-  getResourceData(): ResourceData | null;
   navigateToEvent(eventId: string): boolean;
 }
 
@@ -42,7 +41,6 @@ export interface EventRenderingService extends IManager {
 export interface GridManager extends IManager {
   render(): Promise<void>;
   getDisplayDates(): Date[];
-  setResourceData(resourceData: import('./CalendarTypes').ResourceCalendarData | null): void;
 }
 
 export interface ScrollManager extends IManager {
@@ -76,20 +74,3 @@ export interface AllDayManager extends IManager {
 export interface ResizeHandleManager extends IManager {
   // ResizeHandleManager handles hover effects for resize handles
 }
-
-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;
-}