feat: add non-static getName() method to PostUpdatedEvent

Adds instance method that delegates to static method, consistent
with other event classes like PostLikedEvent.

Co-authored-by: Michael Barrett <mike182uk@users.noreply.github.com>

Author: cursoragent

src/post/post-updated.event.ts

@@ -7,6 +7,10 @@ export class PostUpdatedEvent implements SerializableEvent {
         return this.postId;
     }
 
+    getName(): string {
+        return PostUpdatedEvent.getName();
+    }
+
     static getName(): string {
         return 'post.updated';
     }

src/post/post-updated.event.unit.test.ts

@@ -33,7 +33,12 @@ describe('PostUpdatedEvent', () => {
         );
     });
 
-    it('should return the correct event name', () => {
+    it('should return the correct event name from static method', () => {
         expect(PostUpdatedEvent.getName()).toEqual('post.updated');
     });
+
+    it('should return the correct event name from instance method', () => {
+        const event = new PostUpdatedEvent(123);
+        expect(event.getName()).toEqual('post.updated');
+    });
 });