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

@@ -81,23 +81,16 @@ export default function ChatPage() {
     () => isNewThread && !safeThreadId,
     [isNewThread, safeThreadId],
   );
-  const [isThreadInitReady, setIsThreadInitReady] = useState(false);
 
   const streamThreadId = useMemo(() => {
-    if (!safeThreadId) {
-      return undefined;
-    }
-    // In /new flow, defer history loading until thread init is finished:
-    // delete -> create -> history.
-    if (isNewThread && !isThreadInitReady) {
+    if (isNewThread && createNewSession) {
       return undefined;
     }
     return safeThreadId;
-  }, [isNewThread, isThreadInitReady, safeThreadId]);
+  }, [createNewSession, isNewThread, safeThreadId]);
   const apiClient = useMemo(() => getAPIClient(isMock), [isMock]);
   const warnedMissingThreadIdRef = useRef(false);
   const initializedThreadRef = useRef<string | null>(null);
-  const threadInitPromiseRef = useRef<Promise<void> | null>(null);
 
   const { showNotification } = useNotification();
   const currentSlogan = motivationSlogans[
@@ -137,7 +130,6 @@ export default function ChatPage() {
   useEffect(() => {
     if (!isNewThread) {
       warnedMissingThreadIdRef.current = false;
-      setIsThreadInitReady(true);
       return;
     }
     if (!safeThreadId) {
@@ -145,38 +137,29 @@ export default function ChatPage() {
         warnedMissingThreadIdRef.current = true;
         toast.error(t.chatPage.missingThreadIdForCreate);
       }
-      setIsThreadInitReady(false);
       return;
     }
     warnedMissingThreadIdRef.current = false;
     if (initializedThreadRef.current === safeThreadId) return;
     initializedThreadRef.current = safeThreadId;
-    setIsThreadInitReady(false);
-
-    const initPromise = apiClient.threads
-      .delete(safeThreadId)
-      .catch(() => undefined)
-      .then(() =>
-        apiClient.threads.create({
+    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",
-        }),
-      )
-      .then(() => {
-        setIsThreadInitReady(true);
       })
       .catch(() => {
         initializedThreadRef.current = null;
-        setIsThreadInitReady(false);
         toast.error(t.chatPage.createSessionFailed);
       });
-
-    threadInitPromiseRef.current = initPromise;
-    void initPromise.finally(() => {
-      if (threadInitPromiseRef.current === initPromise) {
-        threadInitPromiseRef.current = null;
-      }
-    });
   }, [
     apiClient,
     isNewThread,
@@ -308,7 +291,7 @@ export default function ChatPage() {
   const [showExitDialog, setShowExitDialog] = useState(false);
   const isStreaming = isUploading || thread.isLoading;
   const handleSubmit = useCallback(
-    async (message: Parameters<typeof sendMessage>[1]) => {
+    (message: Parameters<typeof sendMessage>[1]) => {
       if (isSelectedSkillBootstrapping) {
         return;
       }
@@ -316,12 +299,6 @@ export default function ChatPage() {
         toast.error(t.chatPage.missingThreadIdForSend);
         return;
       }
-      if (isNewThread && safeThreadId) {
-        await threadInitPromiseRef.current;
-      }
-      if (isNewThread && safeThreadId && !isThreadInitReady) {
-        return;
-      }
       setHasSubmitted(true);
       if (safeThreadId && (isNewThread || showWelcomeStyle)) {
         router.replace(`/workspace/chats/${safeThreadId}?is_chatting=true`);
@@ -330,7 +307,6 @@ export default function ChatPage() {
     },
     [
       isNewThread,
-      isThreadInitReady,
       isSelectedSkillBootstrapping,
       router,
       safeThreadId,
@@ -657,14 +633,14 @@ export default function ChatPage() {
                     type: POST_MESSAGE_TYPES.IS_CHATTING,
                     isChatting: false,
                   });
+                  resetNewSessionState();
                   // 始终复用 query 中的 thread_id。
                   const nextQuery = new URLSearchParams();
                   if (threadId && threadId !== "new") {
                     nextQuery.set("thread_id", threadId);
                   }
-                  // /workspace/chats/${threadId}?is_chatting=false
                   router.replace(
-                    `/workspace/chats/new?thread_id=${threadId}`,
+                    `/workspace/chats/${threadId}?is_chatting=false`,
                   );
                 }}
               >

frontend/src/components/workspace/input-box.tsx

@@ -970,14 +970,6 @@ export function InputBox({
                 />
               </div>
             )}
-            {!showWelcomeStyle && (
-              <div className="shrink-0 h-full">
-                <ExitChattingButton
-                  router={router}
-                  threadId={threadIdFromProps}
-                />
-              </div>
-            )}
             <div ref={attachmentsButtonTourRef} className="shrink-0 h-full">
               <AddAttachmentsButton />
             </div>
@@ -1300,53 +1292,6 @@ function HistoryButton({
     </Tooltip>
   );
 }
-
-function ExitChattingButton({
-  className,
-  router,
-  threadId,
-}: {
-  className?: string;
-  router: AppRouterInstance;
-  threadId: string;
-}) {
-  const { t } = useI18n();
-  return (
-    <Tooltip content={t.inputBox.welcome}>
-      <WorkspaceToolButton
-        className={cn(
-          "text-ws-base-1 hover:text-ws-interactive-primary",
-          className,
-        )}
-        onClick={() =>
-          router.replace(`/workspace/chats/${threadId}?is_chatting=false`)
-        }
-      >
-        <svg
-          className="transition-[color] duration-200"
-          width="18"
-          height="18"
-          viewBox="0 0 18 18"
-          fill="none"
-          xmlns="http://www.w3.org/2000/svg"
-        >
-          <circle
-            className="stroke-current transition-[stroke] duration-200"
-            cx="9"
-            cy="9"
-            r="8.5"
-          />
-          <path
-            className="stroke-current transition-[stroke] duration-200"
-            d="M6 9H12"
-            strokeLinecap="round"
-            strokeLinejoin="round"
-          />
-        </svg>
-      </WorkspaceToolButton>
-    </Tooltip>
-  );
-}
 // 启动iframeSkillDialog
 function IframeSkillDialogButton({
   className,

frontend/src/components/workspace/messages/message-list-item.tsx

@@ -39,6 +39,7 @@ import {
 } from "@/core/messages/utils";
 import { useRehypeSplitWordsIntoSpans } from "@/core/rehype";
 import { materializeSkillYaml } from "@/core/skills";
+import { humanMessagePlugins } from "@/core/streamdown";
 import { dispatchMentionReference } from "@/core/threads/reference-events";
 import { cn } from "@/lib/utils";
 
@@ -224,9 +225,13 @@ function MessageContent_({
   if (isHuman) {
     const shouldRenderSummaryCollapse = isSummaryMessage && summaryBody;
     const messageResponse = contentToDisplay ? (
-      <div className="whitespace-break-spaces break-words">
+      <AIElementMessageResponse
+        remarkPlugins={humanMessagePlugins.remarkPlugins}
+        rehypePlugins={humanMessagePlugins.rehypePlugins}
+        components={components}
+      >
         {contentToDisplay}
-      </div>
+      </AIElementMessageResponse>
     ) : null;
     return (
       <div className={cn("ml-auto flex flex-col gap-2", className)}>
@@ -245,9 +250,13 @@ function MessageContent_({
                 : t.toolCalls.expandContent}
             </summary>
             <AIElementMessageContent className="w-fit border-t">
-              <div className="whitespace-break-spaces break-words">
+              <AIElementMessageResponse
+                remarkPlugins={humanMessagePlugins.remarkPlugins}
+                rehypePlugins={humanMessagePlugins.rehypePlugins}
+                components={components}
+              >
                 {summaryBody}
-              </div>
+              </AIElementMessageResponse>
             </AIElementMessageContent>
           </details>
         )}

frontend/src/core/artifacts/references.ts

@@ -32,6 +32,7 @@ export function useReferenceFiles(threadId: string | undefined) {
     queryKey: ["references", "list", threadId],
     queryFn: () => listReferenceFiles(threadId ?? ""),
     enabled: Boolean(threadId),
-    refetchOnWindowFocus: false,
+    refetchInterval: 5000,
+    refetchOnWindowFocus: true,
   });
 }

frontend/src/core/i18n/locales/en-US.ts

@@ -86,7 +86,6 @@ export const enUS: Translations = {
       "Please note, this feature will consume tokens. Ensure your account balance is greater than 200 credits.",
     addAttachments: "Add attachments",
     history: "History",
-    welcome:"Welcome",
     selectSkill: "Select Skill",
     mode: "Mode",
     flashMode: "Flash",

frontend/src/core/i18n/locales/types.ts

@@ -75,7 +75,6 @@ export interface Translations {
     createSkillPrompt: string;
     addAttachments: string;
     history: string;
-    welcome:string;
     selectSkill: string;
     mode: string;
     flashMode: string;

frontend/src/core/i18n/locales/zh-CN.ts

@@ -87,7 +87,6 @@ export const zhCN: Translations = {
       "请注意，此功能将消耗token，请保证账户余额大于200可学豆。",
     addAttachments: "添加附件",
     history: "历史记录",
-    welcome:"欢迎页",
     selectSkill: "选择Skill",
     mode: "模式",
     flashMode: "闪速",
@@ -263,7 +262,7 @@ export const zhCN: Translations = {
     noArtifactSelectedDescription: "请选择一个生成文件以查看详情",
     exitDialogTitle: "提示",
     exitDialogDescription:
-      "每七天自动删除。现在将返回欢迎页且清空聊天消息，是否继续？",
+      "历史记录每七天自动删除，现在将返回欢迎页，是否继续？",
     exitDialogConfirm: "确定",
     selectedSkillLoadFailed: "技能加载失败",
     unknownErrorRetry: "发生了未知错误，请稍后重试。",

frontend/src/core/messages/utils.ts

@@ -414,9 +414,12 @@ export function stripPriorityHintSuffix(content: string): string {
  * - Split Chinese-numbered items (e.g. "1）...") into separate paragraphs.
  */
 export function normalizeHumanMessageDisplayText(content: string): string {
-  // Preserve human input as-is for display; only decode escaped newlines
-  // and normalize CRLF/CR to LF so line breaks render consistently.
-  return content.replace(/\\n/g, "\n").replace(/\r\n?/g, "\n");
+  return content
+    .replace(/\\n/g, "\n")
+    .replace(/\r\n?/g, "\n")
+    .replace(/\n(?=\d+[）)]\s*)/g, "\n\n")
+    .replace(/\n{3,}/g, "\n\n")
+    .trim();
 }
 
 export function parseUploadedFiles(content: string): FileInMessage[] {