diff --git a/src/store/__test__/activityStore.spec.ts b/src/store/__test__/activityStore.spec.ts
index 14ed7a67..75232c8f 100644
--- a/src/store/__test__/activityStore.spec.ts
+++ b/src/store/__test__/activityStore.spec.ts
@@ -92,6 +92,50 @@ describe('ActivityStore', () => {
       expect(result).toBeNull();
       expect(activityStore.error).toBe('Creation failed');
     });
+
+    it('should create activity with title', async () => {
+      const newActivity: INewActivity = {
+        workspace: 'test',
+        content: 'New activity',
+        contentType: 'feature_creation',
+        featureUUID: 'feature1',
+        phaseUUID: 'phase1',
+        author: 'human',
+        authorRef: 'user1',
+        title: 'Test Title'
+      };
+
+      const mockResponseActivity = {
+        ...mockActivity,
+        title: 'Test Title'
+      };
+
+      (mainStore.createActivity as jest.Mock).mockResolvedValue(mockResponseActivity);
+
+      const result = await activityStore.createActivity(newActivity);
+
+      expect(result).toEqual(mockResponseActivity);
+      expect(activityStore.activities.get('1')?.title).toBe('Test Title');
+    });
+
+    it('should create activity without title', async () => {
+      const newActivity: INewActivity = {
+        workspace: 'test',
+        content: 'New activity',
+        contentType: 'feature_creation',
+        featureUUID: 'feature1',
+        phaseUUID: 'phase1',
+        author: 'human',
+        authorRef: 'user1'
+      };
+
+      (mainStore.createActivity as jest.Mock).mockResolvedValue(mockActivity);
+
+      const result = await activityStore.createActivity(newActivity);
+
+      expect(result).toEqual(mockActivity);
+      expect(activityStore.activities.get('1')?.title).toBeUndefined();
+    });
   });
 
   describe('createThreadResponse', () => {
@@ -145,6 +189,37 @@ describe('ActivityStore', () => {
       expect(result).toBe(false);
       expect(activityStore.error).toBe('Update failed');
     });
+
+    it('should update activity title', async () => {
+      activityStore.activities.set('1', mockActivity);
+      const updates = { title: 'Updated Title' };
+
+      (mainStore.updateActivity as jest.Mock).mockResolvedValue(true);
+
+      const result = await activityStore.updateActivity('1', updates);
+
+      expect(result).toBe(true);
+      expect(activityStore.activities.get('1')?.title).toBe('Updated Title');
+    });
+
+    it('should update activity without title', async () => {
+      const activityWithTitle = { ...mockActivity, title: 'Initial Title' };
+      activityStore.activities.set('1', activityWithTitle);
+
+      const updates = { content: 'Updated content' };
+
+      (mainStore.updateActivity as jest.Mock).mockResolvedValue(true);
+
+      const result = await activityStore.updateActivity('1', updates);
+
+      expect(result).toBe(true);
+      expect(activityStore.activities.get('1')).toEqual({
+        ...activityWithTitle,
+        content: 'Updated content'
+      });
+
+      expect(activityStore.activities.get('1')?.title).toBe('Initial Title');
+    });
   });
 
   describe('deleteActivity', () => {
diff --git a/src/store/interface.ts b/src/store/interface.ts
index b17b6085..69bd4c85 100644
--- a/src/store/interface.ts
+++ b/src/store/interface.ts
@@ -616,6 +616,7 @@ export interface IActivity {
   sequence: number;
   contentType: ContentType;
   content: string;
+  title?: string;
   workspace: string;
   featureUUID: string;
   phaseUUID: string;
@@ -638,4 +639,5 @@ export interface INewActivity {
   author: AuthorType;
   authorRef: string;
   threadId?: string;
+  title?: string;
 }