✨ feat: expose authorUserId in task activity comments

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/types/src/task/index.ts

@@ -71,6 +71,7 @@ export interface TaskDetailActivity {
   time?: string;
   title?: string;
   type: 'brief' | 'comment' | 'topic';
+  userId?: string | null;
 }
 
 export interface TaskDetailData {

src/server/services/task/index.ts

@@ -115,6 +115,7 @@ export class TaskService {
         content: c.content,
         time: toISO(c.createdAt),
         type: 'comment' as const,
+        userId: c.authorUserId,
       })),
     ].sort((a, b) => {
       if (!a.time) return 1;