refactor: 预留空位，先删除旧逻辑再重新实现

frontend/src/app/workspace/chats/[thread_id]/page.tsx

@@ -141,6 +141,15 @@ export default function ChatPage() {
     if (initializedThreadRef.current === safeThreadId) return;
     initializedThreadRef.current = safeThreadId;
     void apiClient.threads
+    // TODO: 先注释先删除再创建的逻辑
+      // .delete(safeThreadId)
+      // .catch(() => undefined)
+      // .then(() =>
+      //   apiClient.threads.create({
+      //     threadId: safeThreadId,
+      //     ifExists: "raise",
+      //   }),
+      // )
       .create({
         threadId: safeThreadId,
         ifExists: "do_nothing",

frontend/src/core/threads/hooks.ts

@@ -678,6 +678,7 @@ export function useSubmitThread({
         await apiClient.threads.create({
           threadId,
           ifExists: "do_nothing",
+          // ifExists: "raise",
         });
       }