WIP on master

src/repositories/MockEventRepository.ts

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+import { CalendarEvent } from '../types/CalendarTypes';
+import { IEventRepository } from './IEventRepository';
+
+interface RawEventData {
+  id: string;
+  title: string;
+  start: string | Date;
+  end: string | Date;
+  type: string;
+  color?: string;
+  allDay?: boolean;
+  [key: string]: unknown;
+}
+
+/**
+ * MockEventRepository - Loads event data from local JSON file
+ *
+ * This repository implementation fetches mock event data from a static JSON file.
+ * Used for development and testing before backend API is available.
+ *
+ * Data Source: data/mock-events.json
+ */
+export class MockEventRepository implements IEventRepository {
+  private readonly dataUrl = 'data/mock-events.json';
+
+  public async loadEvents(): Promise<CalendarEvent[]> {
+    try {
+      const response = await fetch(this.dataUrl);
+
+      if (!response.ok) {
+        throw new Error(`Failed to load mock events: ${response.status} ${response.statusText}`);
+      }
+
+      const rawData: RawEventData[] = await response.json();
+
+      return this.processCalendarData(rawData);
+    } catch (error) {
+      console.error('Failed to load event data:', error);
+      throw error;
+    }
+  }
+
+  private processCalendarData(data: RawEventData[]): CalendarEvent[] {
+    return data.map((event): CalendarEvent => ({
+      ...event,
+      start: new Date(event.start),
+      end: new Date(event.end),
+      type: event.type,
+      allDay: event.allDay || false,
+      syncStatus: 'synced' as const
+    }));
+  }
+}