fix npm run build

src/core/event-bus/event-bus.service.ts

@@ -9,11 +9,19 @@ export class EventBus {
   private handlers: Map<string, Handler[]> = new Map();
   private readonly logger = new Logger(EventBus.name);
 
-  publish(event: EventEnvelope<any>) {
-    const handlers = this.handlers.get(event.type) || [];
+  // Accept either an EventEnvelope or (type, payload) signature for backward compatibility
+  publish(eventOrType: EventEnvelope<any> | string, payload?: any) {
+    let envelope: EventEnvelope<any>;
+    if (typeof eventOrType === 'string') {
+      envelope = { id: require('crypto').randomUUID(), timestamp: new Date().toISOString(), type: eventOrType, payload: payload ?? {} };
+    } else {
+      envelope = eventOrType;
+    }
+
+    const handlers = this.handlers.get(envelope.type) || [];
     for (const h of handlers) {
       try {
-        Promise.resolve(h(event)).catch((err) => this.logger.error('Event handler error', err));
+        Promise.resolve(h(envelope)).catch((err) => this.logger.error('Event handler error', err));
       } catch (e) {
         this.logger.error('Event handler threw', e as any);
       }