fix: remove unused imports and parameter in thread-sidebar

src/page/workspace/channel/thread-sidebar.tsx

@@ -1,11 +1,9 @@
 import { useMemo, useState } from "react";
 import {
   MessageSquare,
-  CheckCircle2,
   Archive,
   Lock,
   X,
-  Flame,
   ArrowRight,
   CircleDot,
 } from "lucide-react";
@@ -16,6 +14,7 @@ export type Thread = {
   id: string;
   room: string;
   seq: number;
+  parent_seq: number;
   title: string;
   created_by: { id: string; display_name: string; username: string };
   archived: boolean;
@@ -182,7 +181,7 @@ export default function ThreadSidebar({
             </p>
           </div>
         )}
-        {filtered.map((thread, idx) => {
+        {filtered.map((thread) => {
           const creatorName =
             thread.created_by.display_name || thread.created_by.username;
           const initials = creatorName