feat: 生成中禁用返回按钮

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

@@ -193,6 +193,7 @@ export default function ChatPage() {
 
   const todoListCollapsed = true;
   const [showExitDialog, setShowExitDialog] = useState(false);
+  const isStreaming = isUploading || thread.isLoading;
   const handleSubmit = useCallback(
     (message: Parameters<typeof sendMessage>[1]) => {
       if (isSelectedSkillBootstrapping) {
@@ -225,7 +226,7 @@ export default function ChatPage() {
 
 
   return (
-    <ThreadContext.Provider value={{ threadId,thread }}>
+    <ThreadContext.Provider value={{ threadId, thread }}>
       <div
         className={cn(
           "m-auto flex h-screen min-h-svh overflow-hidden rounded-t-[20px] transition-[width] duration-300 ease-in-out",
@@ -252,6 +253,7 @@ export default function ChatPage() {
                     size="sm"
                     variant="ghost"
                     className="px-[10px] py-[5px] text-sm font-medium text-[#150033] hover:text-[#150033]/80"
+                    disabled={isStreaming}
                     onClick={() => setShowExitDialog(true)}
                   >
                     <svg
@@ -354,6 +356,7 @@ export default function ChatPage() {
             <div
               className={cn(
                 "h-full w-full transition-transform duration-300 ease-in-out",
+                showWelcomeStyle && !hasSubmitted ? "translate-x-0" : "",
                 artifactPanelOpen ? "translate-x-0" : "translate-x-full",
               )}
             >