update APEventService with new metadata schema

packages/backend/src/core/activitypub/models/ApEventService.ts

@@ -50,7 +50,16 @@ export class ApEventService {
 				title,
 				start,
 				end,
-				metadata: {},
+				metadata: {
+					'@context': 'https://schema.org',
+					'@type': 'Event',
+					name: note.name,
+					url: note.href,
+					startDate: note.startTime.toISOString(),
+					endDate: note.endTime?.toISOString(),
+					description: note.summary,
+					identifier: note.id,
+				},
 			};
 		} else {
 			throw new Error('Invalid event properties');

packages/backend/src/models/entities/Event.ts

@@ -109,6 +109,7 @@ export type EventSchema = {
 		sameAs?: string; // ie. URL to website/social
 	}[];
 	typicalAgeRange?: string;
+	identifier?: string;
 }
 
 export type IEvent = {