feat: 重构多轮RAG展示并完善报告协作、业务链审核与 agentfx 种子

抽出专用多轮RAG消息列表并升级会话模型；强化报告协作画布与检查器；业务链普通用户改为提交审核；扩展 agentfx 报告技能种子，并将含 admin 的用户名自动提权为管理员。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend-web/src/components/workspace/chats/chat-box.tsx

@@ -24,7 +24,6 @@ import { getBackendBaseURL } from "@/core/config";
 import { isThreadRagModeLocked, useLocalSettings } from "@/core/settings";
 import { useCitationDisplaySettings } from "@/core/system-settings/hooks";
 import { isSingleRoundRagMessage } from "@/core/threads/use-single-round-rag";
-import { isMultiRoundRagMessage } from "@/core/threads/use-multi-round-rag";
 import { useSkills } from "@/core/skills/hooks";
 import type { SkillDisplayConfig } from "@/core/skills/type";
 import {
@@ -123,9 +122,8 @@ const ChatBox: React.FC<{
   // batches through DeerFlow's backend APIs.
   const hasFrontendRag = useMemo(
     () =>
-      (thread.values.messages ?? []).some(
-        (message) =>
-          isSingleRoundRagMessage(message) || isMultiRoundRagMessage(message),
+      (thread.values.messages ?? []).some((message) =>
+        isSingleRoundRagMessage(message),
       ),
     [thread.values.messages],
   );
@@ -973,8 +971,7 @@ function buildTurnReferenceBatches(
     // GeneralQA's single-RAG stream sends `docs` before the answer.  Make
     // those cards available immediately, while keeping normal streaming turns
     // on their existing "wait for an answer" behavior.
-    const isFrontendRagTurn =
-      isSingleRoundRagMessage(assistant) || isMultiRoundRagMessage(assistant);
+    const isFrontendRagTurn = isSingleRoundRagMessage(assistant);
     if (nextHumanIndex === -1 && isLoading && !isFrontendRagTurn) {
       continue;
     }
@@ -1025,7 +1022,7 @@ function findFrontendRagAssistant(
     const message = messages[index];
     if (
       message?.type === "ai" &&
-      (isSingleRoundRagMessage(message) || isMultiRoundRagMessage(message))
+      isSingleRoundRagMessage(message)
     ) {
       return message;
     }

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

@@ -7,8 +7,6 @@ import {
   FileIcon,
   Loader2Icon,
   PencilIcon,
-  SearchIcon,
-  SparklesIcon,
 } from 'lucide-react';
 import {
   memo,
@@ -77,7 +75,6 @@ import { humanMessagePlugins } from '@/core/streamdown';
 import {
   getMultiRoundRagTrace,
   isMultiRoundRagMessage,
-  type MultiRoundRagRound,
 } from '@/core/threads/use-multi-round-rag';
 import { cn } from '@/lib/utils';
 
@@ -90,6 +87,7 @@ import { DeleteMessageButton } from './delete-message-button';
 import { DownloadWordButton } from './download-word-button';
 import { MarkdownContent, type MarkdownContentProps } from './markdown-content';
 import { MessageTokenUsage } from './message-token-usage';
+import { MultiRoundRagAssistantBody } from './multi-round-rag-message-list';
 
 type EmbeddedPageContext = {
   title?: string;
@@ -159,9 +157,9 @@ export function MessageListItem({
   className,
   fitRowToContent = false,
   anchorId,
-  message,
-  questionMarkdown,
-  isLoading,
+  message,
+  questionMarkdown,
+  isLoading,
   threadId,
   tokenUsageEnabled = false,
   displaySources = [],
@@ -178,9 +176,9 @@ export function MessageListItem({
    * message. `scroll-mt` keeps the target clear of the overlay header.
    */
   anchorId?: string;
-  message: Message;
-  /** Nearest preceding user question, used by the current-Q&A Word export. */
-  questionMarkdown?: string;
+  message: Message;
+  /** Nearest preceding user question, used by the current-Q&A Word export. */
+  questionMarkdown?: string;
   isLoading?: boolean;
   threadId: string;
   tokenUsageEnabled?: boolean;
@@ -330,12 +328,12 @@ export function MessageListItem({
           <div className="flex gap-1">
             <CopyButton clipboardData={messageMarkdown} />
             {messageMarkdown && (
-              <DownloadWordButton
-                markdown={messageMarkdown}
-                fileName="message"
-                title="问答回答"
-                questionMarkdown={questionMarkdown}
-              />
+              <DownloadWordButton
+                markdown={messageMarkdown}
+                fileName="message"
+                title="问答回答"
+                questionMarkdown={questionMarkdown}
+              />
             )}
             {canSaveAssistantEdit && (
               <Tooltip content="编辑消息">
@@ -380,12 +378,12 @@ function HumanMessageBlock({
   messageId?: string;
   text: string;
   pageContext?: EmbeddedPageContext | null;
-  filesList: React.ReactNode;
+  filesList: ReactNode;
   messageTime: { label: string; full: string } | null;
   components: MarkdownContentProps["components"];
   onEditResubmit?: (text: string) => void;
   onEditSave?: (messageId: string, text: string) => void | Promise<void>;
-  deleteButton?: React.ReactNode;
+  deleteButton?: ReactNode;
 }) {
   const { t } = useI18n();
   const [editing, setEditing] = useState(false);
@@ -629,9 +627,7 @@ function MessageContent_({
               href={href}
               {...props}
               onReferenceClick={
-                isSingleRoundRag || isMultiRoundRag
-                  ? handleCitationClick
-                  : undefined
+                isSingleRoundRag ? handleCitationClick : undefined
               }
             />
           );
@@ -658,7 +654,6 @@ function MessageContent_({
     }),
     [
       handleCitationClick,
-      isMultiRoundRag,
       isSingleRoundRag,
       resolveArtifact,
       threadId,
@@ -697,9 +692,12 @@ function MessageContent_({
         ? stripArtifactTag(stripUploadedFilesTag(rawContent))
         : '';
     }
+    if (isMultiRoundRag) {
+      return stripIncompleteCitationMarker(rawContent ?? '');
+    }
     const withCitations = applyInlineCitations(rawContent ?? '', displaySources);
     return stripIncompleteCitationMarker(withCitations);
-  }, [rawContent, isHuman, displaySources]);
+  }, [rawContent, isHuman, isMultiRoundRag, displaySources]);
   const markdownRehypePlugins = useMemo(
     () => [...rehypePlugins, [rehypeKatex, { output: 'html' as const }]],
     [rehypePlugins],
@@ -734,7 +732,7 @@ function MessageContent_({
   }
 
   // Reasoning-only AI message (no main response content yet)
-  if (!isHuman && reasoningContent && !rawContent && !multiRoundTrace) {
+  if (!isHuman && reasoningContent && !rawContent && !isMultiRoundRag) {
     return (
       <AIElementMessageContent className={className}>
         <Reasoning isStreaming={isLoading}>
@@ -755,7 +753,11 @@ function MessageContent_({
     // it exists server-side (real, non-optimistic id). Deleting it cascades to
     // its answer on the backend.
     const canDelete =
-      !!onMessageDeleted && !!message.id && !message.id.startsWith('opt-');
+      !!onMessageDeleted &&
+      !!message.id &&
+      !message.id.startsWith('opt-') &&
+      !isMultiRoundRag &&
+      !isSingleRoundRag;
     return (
       <HumanMessageBlock
         messageId={message.id}
@@ -764,8 +766,10 @@ function MessageContent_({
         filesList={filesList}
         messageTime={messageTime}
         components={components}
-        onEditResubmit={onEditResubmit}
-        onEditSave={onEditSave}
+        onEditResubmit={
+          isMultiRoundRag || isSingleRoundRag ? undefined : onEditResubmit
+        }
+        onEditSave={isMultiRoundRag || isSingleRoundRag ? undefined : onEditSave}
         deleteButton={
           canDelete ? (
             <DeleteMessageButton
@@ -785,14 +789,12 @@ function MessageContent_({
       <AIElementMessageContent className={className}>
         {filesList}
         <div data-reference-batch-id={message.id} className="contents">
-          {multiRoundTrace ? (
-            <MultiRoundRagContent
-              trace={multiRoundTrace}
+          {isMultiRoundRag ? (
+            <MultiRoundRagAssistantBody
               content={contentToDisplay}
-              displaySources={displaySources}
+              thinkingTrace={multiRoundTrace}
               isLoading={isLoading}
               rehypePlugins={markdownRehypePlugins}
-              components={components}
             />
           ) : (
             <AssistantDisplayContent
@@ -805,7 +807,7 @@ function MessageContent_({
             />
           )}
         </div>
-        {(isSingleRoundRag || isMultiRoundRag) && displaySources.length > 0 && (
+        {isSingleRoundRag && displaySources.length > 0 && (
           <FrontendRagSourcesPanel
             sources={displaySources}
             onSelect={setSelectedCitation}
@@ -820,7 +822,7 @@ function MessageContent_({
           <MessageTimeStamp time={messageTime} align="left" />
         ) : null}
       </AIElementMessageContent>
-      {(isSingleRoundRag || isMultiRoundRag) && (
+      {isSingleRoundRag && (
         <SingleRoundRagCitationDialog
           source={selectedCitation}
           onOpenChange={(open) => {
@@ -833,11 +835,9 @@ function MessageContent_({
 }
 
 /**
- * 单轮/多轮 RAG 专属的「引用来源」折叠面板。
+ * 单轮 RAG 专属的「引用来源」折叠面板。
  *
- * 参考 GeneralQA 的引用来源区：默认折叠，列出全部参考资料，点击任一条打开详情
- * 弹窗（复用 SingleRoundRagCitationDialog）。这样即使模型正文里没有 `[1]` 编号，
- * 用户也能看到本次回答依据的资料。
+ * 多轮 RAG 的检索卡片已经画在思考过程里，正文下面不再重复一份来源列表。
  */
 function FrontendRagSourcesPanel({
   sources,
@@ -941,349 +941,6 @@ export function SingleRoundRagCitationDialog({
   );
 }
 
-function MultiRoundRagContent({
-  trace,
-  content,
-  displaySources,
-  isLoading,
-  rehypePlugins,
-  components,
-}: {
-  trace: NonNullable<ReturnType<typeof getMultiRoundRagTrace>>;
-  content: string;
-  displaySources: RuntimeDisplaySource[];
-  isLoading: boolean;
-  rehypePlugins: MarkdownContentProps['rehypePlugins'];
-  components: MarkdownContentProps['components'];
-}) {
-  const [open, setOpen] = useState(!trace.isComplete);
-  useEffect(() => {
-    // Keep the active turn expanded so each new retrieval is visible as it
-    // arrives, then match GeneralQA by collapsing the completed trace.  The
-    // header still carries the total round count for quick scanning.
-    setOpen(!trace.isComplete);
-  }, [trace.isComplete]);
-
-  return (
-    <div className="w-full min-w-0 max-w-5xl space-y-4 overflow-hidden">
-      <section className="border-border/70 overflow-hidden rounded-xl border bg-muted/20">
-        <button
-          type="button"
-          className="hover:bg-muted/50 flex w-full items-center justify-between gap-3 px-4 py-3 text-left transition-colors"
-          onClick={() => setOpen((value) => !value)}
-        >
-          <div className="flex min-w-0 items-center gap-2">
-            {trace.isComplete ? (
-              <SearchIcon className="text-primary size-4 shrink-0" />
-            ) : (
-              <Loader2Icon className="text-primary size-4 shrink-0 animate-spin" />
-            )}
-            <div>
-              <div className="text-sm font-medium">多轮检索思考过程</div>
-              <div className="text-muted-foreground text-xs">
-                {trace.isComplete
-                  ? `共 ${trace.rounds.length} 轮推理与检索，可展开查看细节`
-                  : '正在分析问题并检索资料'}
-              </div>
-            </div>
-          </div>
-          <ChevronDownIcon
-            className={cn('text-muted-foreground size-4 transition-transform', !open && '-rotate-90')}
-          />
-        </button>
-        {open && (
-          <div className="border-border/60 space-y-3 border-t px-4 py-3">
-            {trace.rounds.map((round, index) => (
-              <div
-                key={round.id}
-                className={cn(
-                  'relative pl-5',
-                  index < trace.rounds.length - 1 && 'pb-1',
-                )}
-              >
-                {index < trace.rounds.length - 1 && (
-                  <span className="bg-border absolute bottom-0 left-[7px] top-8 w-px" />
-                )}
-                <span className="border-primary bg-background absolute left-0 top-4 size-3.5 rounded-full border-2" />
-                <MultiRoundRagRoundCard
-                  index={index + 1}
-                  round={round}
-                  displaySources={displaySources}
-                  isLoading={isLoading}
-                  rehypePlugins={rehypePlugins}
-                  components={components}
-                />
-              </div>
-            ))}
-          </div>
-        )}
-      </section>
-      <section className="border-border/70 rounded-xl border p-4">
-        <div className="mb-3 text-sm font-semibold">最终回答</div>
-        {content ? (
-          <AssistantDisplayContent
-            content={content}
-            displaySources={displaySources}
-            isLoading={isLoading}
-            renderSkillDisplayBlocks={false}
-            rehypePlugins={rehypePlugins}
-            components={components}
-          />
-        ) : (
-          <div className="text-muted-foreground flex items-center gap-2 text-sm">
-            <Loader2Icon className="size-4 animate-spin" />
-            正在生成最终回答…
-          </div>
-        )}
-      </section>
-    </div>
-  );
-}
-
-function MultiRoundRagRoundCard({
-  index,
-  round,
-  displaySources,
-  isLoading,
-  rehypePlugins,
-  components,
-}: {
-  index: number;
-  round: MultiRoundRagRound;
-  displaySources: RuntimeDisplaySource[];
-  isLoading: boolean;
-  rehypePlugins: MarkdownContentProps['rehypePlugins'];
-  components: MarkdownContentProps['components'];
-}) {
-  const [open, setOpen] = useState(!round.query || round.isSearching);
-  useEffect(() => {
-    // A newly created round stays expanded to expose its thought and loading
-    // query. Once that query has returned, retain only the round header until
-    // the user asks to inspect the completed detail again.
-    setOpen(!round.query || round.isSearching);
-  }, [round.id, round.isSearching, round.query]);
-  const thoughtContent = useMemo(
-    () =>
-      applyInlineCitations(round.thought, displaySources, {
-        appendSummary: false,
-      }),
-    [displaySources, round.thought],
-  );
-
-  return (
-    <Collapsible open={open} onOpenChange={setOpen}>
-      <article className="border-border/60 bg-background/80 overflow-hidden rounded-xl border shadow-sm">
-        <CollapsibleTrigger asChild>
-          <button
-            type="button"
-            className="hover:bg-muted/40 focus-visible:ring-ring flex min-h-11 w-full min-w-0 items-center gap-2 px-3 py-2.5 text-left text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-inset"
-          >
-            <span className="bg-primary/10 text-primary flex size-6 shrink-0 items-center justify-center rounded-full text-xs font-semibold">
-              {index}
-            </span>
-            <span className="min-w-0 flex-1 truncate">{round.title}</span>
-            {round.isSearching ? (
-              <span className="bg-primary/10 text-primary inline-flex shrink-0 items-center gap-1 rounded-full px-2 py-1 text-[11px] font-medium">
-                <Loader2Icon className="size-3 motion-reduce:animate-none animate-spin" />
-                检索中
-              </span>
-            ) : (
-              <span className="text-muted-foreground shrink-0 text-[11px]">已完成</span>
-            )}
-            <ChevronDownIcon
-              className={cn(
-                'text-muted-foreground size-4 shrink-0 transition-transform duration-200 motion-reduce:transition-none',
-                !open && '-rotate-90',
-              )}
-            />
-          </button>
-        </CollapsibleTrigger>
-        <CollapsibleContent className="border-border/50 border-t px-3 pb-3">
-          <div className="pt-3">
-            {round.thought && (
-              <MultiRoundRagDetailSection
-                title="思考内容"
-                icon={<SparklesIcon className="text-primary size-4" />}
-              >
-                <MarkdownContent
-                  content={thoughtContent}
-                  isLoading={isLoading}
-                  rehypePlugins={rehypePlugins}
-                  components={components}
-                  className="text-muted-foreground text-sm"
-                />
-              </MultiRoundRagDetailSection>
-            )}
-            {round.body && (
-              <section className="border-border/50 mt-3 rounded-lg border p-3">
-                <div className="text-muted-foreground mb-2 text-xs font-medium">本轮正文</div>
-                <MarkdownContent
-                  content={round.body}
-                  isLoading={isLoading}
-                  rehypePlugins={rehypePlugins}
-                  components={components}
-                  className="text-sm"
-                />
-              </section>
-            )}
-            {(round.query || round.isSearching) && (
-              <div
-                className={cn(
-                  'border-primary/20 bg-primary/5 text-primary mt-3 inline-flex max-w-full items-center gap-1.5 rounded-full border px-2.5 py-1.5 text-xs',
-                  round.isSearching && 'animate-pulse motion-reduce:animate-none',
-                )}
-                aria-live={round.isSearching ? 'polite' : undefined}
-              >
-                {round.isSearching ? (
-                  <Loader2Icon className="size-3.5 shrink-0 motion-reduce:animate-none animate-spin" />
-                ) : (
-                  <SearchIcon className="size-3.5 shrink-0" />
-                )}
-                <span className="shrink-0 text-muted-foreground">检索词</span>
-                <span className="min-w-0 truncate font-medium">
-                  {round.query || '正在生成检索词…'}
-                </span>
-              </div>
-            )}
-            {(round.query || round.isSearching || round.retrievals.length > 0) && (
-              <MultiRoundRagDetailSection
-                defaultOpen={!round.isSearching}
-                title="检索内容"
-                icon={<FileIcon className="text-primary size-3.5" />}
-                suffix={<span className="text-muted-foreground text-xs">{round.retrievals.length} 条</span>}
-              >
-                {round.isSearching ? (
-                  <div className="text-muted-foreground flex items-center gap-2 py-1 text-sm">
-                    <Loader2Icon className="text-primary size-4 motion-reduce:animate-none animate-spin" />
-                    正在召回相关内容…
-                  </div>
-                ) : (
-                  <div className="space-y-2">
-                    {round.retrievals.length > 0 ? (
-                      round.retrievals.map((item, resultIndex) => (
-                        <MultiRoundRagResultCard
-                          key={`${item.id ?? item.title}-${resultIndex}`}
-                          item={item}
-                          index={resultIndex + 1}
-                        />
-                      ))
-                    ) : (
-                      <p className="text-muted-foreground py-1 text-sm">
-                        本轮未召回相关资料。
-                      </p>
-                    )}
-                  </div>
-                )}
-              </MultiRoundRagDetailSection>
-            )}
-          </div>
-        </CollapsibleContent>
-      </article>
-    </Collapsible>
-  );
-}
-
-function MultiRoundRagDetailSection({
-  title,
-  icon,
-  suffix,
-  defaultOpen = true,
-  children,
-}: {
-  title: string;
-  icon: ReactNode;
-  suffix?: ReactNode;
-  defaultOpen?: boolean;
-  children: ReactNode;
-}) {
-  const [open, setOpen] = useState(defaultOpen);
-  useEffect(() => setOpen(defaultOpen), [defaultOpen]);
-
-  return (
-    <Collapsible open={open} onOpenChange={setOpen}>
-      <section className="border-border/50 bg-muted/20 mt-3 overflow-hidden rounded-lg border">
-        <CollapsibleTrigger asChild>
-          <button
-            type="button"
-            className="hover:bg-muted/40 focus-visible:ring-ring flex min-h-11 w-full min-w-0 items-center gap-2 px-3 py-2 text-left transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-inset"
-          >
-            {icon}
-            <span className="min-w-0 flex-1 text-sm font-medium">{title}</span>
-            {suffix}
-            <ChevronDownIcon
-              className={cn(
-                'text-muted-foreground size-4 shrink-0 transition-transform duration-200 motion-reduce:transition-none',
-                !open && '-rotate-90',
-              )}
-            />
-          </button>
-        </CollapsibleTrigger>
-        <CollapsibleContent className="border-border/50 border-t px-3 pb-3 pt-2.5">
-          {children}
-        </CollapsibleContent>
-      </section>
-    </Collapsible>
-  );
-}
-
-function MultiRoundRagResultCard({
-  item,
-  index,
-}: {
-  item: MultiRoundRagRound['retrievals'][number];
-  index: number;
-}) {
-  const [open, setOpen] = useState(index === 1);
-  const sourceMeta = [item.source, item.time].filter(Boolean).join(' · ');
-
-  return (
-    <Collapsible open={open} onOpenChange={setOpen}>
-      <div className="border-border/60 hover:border-primary/30 bg-background rounded-lg border transition-colors">
-        <CollapsibleTrigger asChild>
-          <button
-            type="button"
-            className="hover:bg-muted/40 focus-visible:ring-ring flex min-h-11 w-full min-w-0 items-center gap-2 rounded-lg px-3 py-2.5 text-left transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-inset"
-          >
-            <span className="bg-primary/10 text-primary flex size-5 shrink-0 items-center justify-center rounded-md text-[11px] font-semibold">
-              {index}
-            </span>
-            <span className="min-w-0 flex-1 truncate text-sm font-medium" title={item.title}>
-              {item.title}
-            </span>
-            <ChevronDownIcon
-              className={cn(
-                'text-muted-foreground size-4 shrink-0 transition-transform duration-200 motion-reduce:transition-none',
-                !open && '-rotate-90',
-              )}
-            />
-          </button>
-        </CollapsibleTrigger>
-        <CollapsibleContent className="border-border/50 border-t px-3 pb-3 pt-2.5">
-          <p className="text-muted-foreground text-sm leading-6 whitespace-pre-wrap">
-            {item.content || '暂无资料摘要'}
-          </p>
-          {(sourceMeta || item.url) && (
-            <div className="text-muted-foreground mt-2 flex flex-wrap items-center gap-x-2 gap-y-1 text-xs">
-              {sourceMeta && <span>{sourceMeta}</span>}
-              {item.url && (
-                <a
-                  href={item.url}
-                  target="_blank"
-                  rel="noopener noreferrer"
-                  className="text-primary hover:underline inline-flex items-center gap-1"
-                >
-                  查看原文
-                  <ExternalLinkIcon className="size-3" />
-                </a>
-              )}
-            </div>
-          )}
-        </CollapsibleContent>
-      </div>
-    </Collapsible>
-  );
-}
-
 function resolveSingleRoundRagSourceUrl(
   source: RuntimeDisplaySource | null,
 ): string | undefined {

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

@@ -321,11 +321,7 @@ export function MessageList({
     isThreadRagModeLocked(threadId) ||
     knowledgeReferencesEnabled;
   const hasSingleRoundRag = useMemo(
-    () =>
-      messages.some(
-        (message) =>
-          isSingleRoundRagMessage(message) || isMultiRoundRagMessage(message),
-      ),
+    () => messages.some((message) => isSingleRoundRagMessage(message)),
     [messages],
   );
   const referencesEnabled = ragModeEnabled || hasSingleRoundRag;
@@ -340,7 +336,7 @@ export function MessageList({
   // frontend tool-message scan below comes up empty (e.g. after a reload).
   const referenceBatches = useContext(ReferenceBatchesContext);
 
-  // 单轮/多轮 RAG 的参考资料存放在一条 hide_from_ui 的 tool 消息里（紧挨在
+  // 单轮 RAG 的参考资料存放在一条 hide_from_ui 的 tool 消息里（紧挨在
   // assistant 消息之前）。allMessages 会把 hide_from_ui 消息过滤掉，导致通用
   // 的 collectRuntimeDisplaySources 扫描不到它们。这里直接在原始消息流里按
   // assistant 消息提取其对应的参考资料，保证 `[1]` 等编号能解析成可点击引用。
@@ -351,7 +347,7 @@ export function MessageList({
       const msg = raw[i];
       if (!msg || msg.type !== "ai" || !msg.id) continue;
       const kwargs = msg.additional_kwargs;
-      if (!kwargs || (kwargs.single_round_rag !== true && kwargs.multi_round_rag !== true)) {
+      if (!kwargs || kwargs.single_round_rag !== true) {
         continue;
       }
       let sources: RuntimeDisplaySource[] = [];
@@ -362,19 +358,13 @@ export function MessageList({
         if (prev.type === "human" || prev.type === "ai") break;
         if (prev.type !== "tool") continue;
         const prevKwargs = prev.additional_kwargs;
-        if (
-          !prevKwargs ||
-          (prevKwargs.single_round_rag !== true && prevKwargs.multi_round_rag !== true)
-        ) {
+        if (!prevKwargs || prevKwargs.single_round_rag !== true) {
           continue;
         }
         const results = extractFrontendRagResults(prev.content);
         if (results && results.length > 0) {
           const toolName = String(
-            (prev as { name?: unknown }).name ??
-              (prevKwargs.multi_round_rag === true
-                ? "multi_round_rag_references"
-                : "knowledge_base_search"),
+            (prev as { name?: unknown }).name ?? "knowledge_base_search",
           );
           sources = results.map((item, index) =>
             toRuntimeDisplaySource(item, index + 1, toolName),
@@ -390,6 +380,7 @@ export function MessageList({
   const resolveDisplaySources = useCallback(
     (msg: Message | undefined): RuntimeDisplaySource[] => {
       if (!referencesEnabled || !msg || msg.type !== "ai") return [];
+      if (isMultiRoundRagMessage(msg)) return [];
       const batchSources =
         referenceBatches.find((batch) => batch.assistant_message_id === msg.id)
           ?.sources ?? [];

frontend-web/src/components/workspace/messages/multi-round-rag-message-list.tsx

@@ -0,0 +1,472 @@
+import {
+  BookOpenIcon,
+  ChevronDownIcon,
+  FileTextIcon,
+  Loader2Icon,
+  SearchIcon,
+  SparklesIcon,
+} from "lucide-react";
+import { useEffect, useState } from "react";
+
+import {
+  Conversation,
+  ConversationContent,
+  ConversationScrollButton,
+} from "@/components/ai-elements/conversation";
+import {
+  Message as AIElementMessage,
+  MessageContent as AIElementMessageContent,
+} from "@/components/ai-elements/message";
+import {
+  Collapsible,
+  CollapsibleContent,
+  CollapsibleTrigger,
+} from "@/components/ui/collapsible";
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+import { useRehypeSplitWordsIntoSpans } from "@/core/rehype";
+import type { MessageResponseProps } from "@/components/ai-elements/message";
+import type {
+  MultiRoundRagChatMessage,
+  MultiRoundRagRetrieval,
+  MultiRoundRagRound,
+  MultiRoundRagTrace,
+} from "@/core/threads/use-multi-round-rag";
+import { cn } from "@/lib/utils";
+
+import { MarkdownContent } from "./markdown-content";
+
+export function MultiRoundRagMessageList({
+  className,
+  messages,
+  isLoading,
+  paddingBottom = 160,
+}: {
+  className?: string;
+  messages: MultiRoundRagChatMessage[];
+  isLoading: boolean;
+  paddingBottom?: number;
+}) {
+  const rehypePlugins = useRehypeSplitWordsIntoSpans(isLoading);
+
+  return (
+    <Conversation className={cn("flex size-full flex-col justify-center", className)}>
+      <ConversationContent
+        className="mx-auto w-full max-w-(--container-width-lg) gap-8 pt-10"
+      >
+        {messages.map((message, index) => {
+          const isLastAssistant =
+            message.role === "assistant" && index === messages.length - 1;
+          return (
+            <AIElementMessage
+              key={message.id}
+              className="group/conversation-message relative w-full"
+              from={message.role === "user" ? "user" : "assistant"}
+            >
+              {message.role === "user" ? (
+                <AIElementMessageContent className="w-fit">
+                  <p className="whitespace-pre-wrap text-[15px] leading-7">
+                    {message.content}
+                  </p>
+                </AIElementMessageContent>
+              ) : (
+                <AIElementMessageContent className="w-full">
+                  <MultiRoundRagAssistantBody
+                    content={
+                      typeof message.content === "string" ? message.content : ""
+                    }
+                    thinkingTrace={message.thinkingTrace}
+                    isLoading={isLastAssistant && isLoading}
+                    rehypePlugins={rehypePlugins}
+                  />
+                </AIElementMessageContent>
+              )}
+            </AIElementMessage>
+          );
+        })}
+        <div style={{ height: `${paddingBottom}px` }} />
+      </ConversationContent>
+      <ConversationScrollButton
+        className="pointer-events-auto z-20 size-9 shadow-md bottom-40"
+        aria-label="回到最新"
+        title="回到最新"
+      />
+    </Conversation>
+  );
+}
+
+export function MultiRoundRagAssistantBody({
+  content,
+  thinkingTrace,
+  isLoading,
+  rehypePlugins,
+}: {
+  content: string;
+  thinkingTrace?: MultiRoundRagTrace | null;
+  isLoading: boolean;
+  rehypePlugins: MessageResponseProps["rehypePlugins"];
+}) {
+  const [selected, setSelected] = useState<MultiRoundRagRetrieval | null>(
+    null,
+  );
+  const trace = thinkingTrace;
+  const answer = trace?.finalAnswerMarkdown || content;
+
+  return (
+    <>
+      {trace && (
+        <MultiRoundRagTraceView
+          trace={trace}
+          isLoading={isLoading}
+          rehypePlugins={rehypePlugins}
+          onSelectRetrieval={setSelected}
+        />
+      )}
+      <section className="mt-4">
+        <div className="text-foreground mb-2 text-sm font-medium">最终回答</div>
+        {answer ? (
+          <MarkdownContent
+            content={answer}
+            isLoading={isLoading}
+            rehypePlugins={rehypePlugins}
+            className="my-0 text-[15px] leading-7"
+          />
+        ) : (
+          <div className="text-muted-foreground flex items-center gap-2 text-sm">
+            <Loader2Icon className="size-4 animate-spin" />
+            正在生成思考过程与检索内容...
+          </div>
+        )}
+      </section>
+      <RetrievalDetailDialog
+        item={selected}
+        onOpenChange={(open) => {
+          if (!open) setSelected(null);
+        }}
+      />
+    </>
+  );
+}
+
+function MultiRoundRagTraceView({
+  trace,
+  isLoading,
+  rehypePlugins,
+  onSelectRetrieval,
+}: {
+  trace: MultiRoundRagTrace;
+  isLoading: boolean;
+  rehypePlugins: MessageResponseProps["rehypePlugins"];
+  onSelectRetrieval: (item: MultiRoundRagRetrieval) => void;
+}) {
+  const [open, setOpen] = useState(!trace.thinkingComplete);
+  useEffect(() => {
+    setOpen(!trace.thinkingComplete);
+  }, [trace.thinkingComplete]);
+
+  return (
+    <Collapsible
+      open={open}
+      onOpenChange={setOpen}
+      className="not-prose w-full min-w-0 max-w-5xl"
+    >
+      <CollapsibleTrigger asChild>
+        <button
+          type="button"
+          className="text-muted-foreground hover:text-foreground flex w-full items-center gap-2 text-sm transition-colors"
+        >
+          {trace.thinkingComplete ? (
+            <SparklesIcon className="text-primary size-4 shrink-0" />
+          ) : (
+            <Loader2Icon className="text-primary size-4 shrink-0 animate-spin" />
+          )}
+          <span>{trace.title || "思考过程"}</span>
+          <span className="text-muted-foreground/70 text-xs">
+            共 {trace.rounds.length} 轮推理与检索
+          </span>
+          <ChevronDownIcon
+            className={cn("ml-auto size-4 transition-transform", !open && "-rotate-90")}
+          />
+        </button>
+      </CollapsibleTrigger>
+      <CollapsibleContent className="mt-3 space-y-3">
+        {trace.rounds.map((round, index) => (
+          <div
+            key={round.id}
+            className={cn("relative pl-5", index < trace.rounds.length - 1 && "pb-1")}
+          >
+            {index < trace.rounds.length - 1 && (
+              <span className="bg-primary/25 absolute bottom-0 left-[7px] top-8 w-px" />
+            )}
+            <span className="border-primary bg-background absolute left-0 top-4 size-3.5 rounded-full border-2" />
+            <MultiRoundRagRoundCard
+              index={index + 1}
+              round={round}
+              isLoading={isLoading}
+              rehypePlugins={rehypePlugins}
+              onSelectRetrieval={onSelectRetrieval}
+            />
+          </div>
+        ))}
+      </CollapsibleContent>
+    </Collapsible>
+  );
+}
+
+function MultiRoundRagRoundCard({
+  index,
+  round,
+  isLoading,
+  rehypePlugins,
+  onSelectRetrieval,
+}: {
+  index: number;
+  round: MultiRoundRagRound;
+  isLoading: boolean;
+  rehypePlugins: MessageResponseProps["rehypePlugins"];
+  onSelectRetrieval: (item: MultiRoundRagRetrieval) => void;
+}) {
+  const searching = Boolean(round.queryLoading);
+  const [open, setOpen] = useState(true);
+  useEffect(() => {
+    setOpen(searching || !round.query);
+  }, [round.id, round.query, searching]);
+
+  return (
+    <Collapsible open={open} onOpenChange={setOpen}>
+      <article className="overflow-hidden rounded-lg border border-border/70 bg-background">
+        <CollapsibleTrigger asChild>
+          <button
+            type="button"
+            className="hover:bg-muted/40 flex min-h-11 w-full items-center gap-2 px-3 py-2.5 text-left text-sm transition-colors"
+          >
+            <span className="bg-primary/10 text-primary flex size-6 shrink-0 items-center justify-center rounded-full text-xs font-medium">
+              {index}
+            </span>
+            <span className="min-w-0 flex-1 truncate font-medium">{round.title}</span>
+            {searching ? (
+              <span className="text-primary inline-flex items-center gap-1 text-[11px]">
+                <Loader2Icon className="size-3 animate-spin" />
+                检索中
+              </span>
+            ) : (
+              <span className="text-muted-foreground text-[11px]">已完成</span>
+            )}
+            <ChevronDownIcon
+              className={cn("text-muted-foreground size-4 shrink-0 transition-transform", !open && "-rotate-90")}
+            />
+          </button>
+        </CollapsibleTrigger>
+        <CollapsibleContent className="border-border/60 space-y-3 border-t px-3 pb-3 pt-3">
+        {round.thoughtMarkdown && (
+          <section>
+            <div className="text-muted-foreground mb-1.5 flex items-center gap-2 text-sm font-medium">
+              <SparklesIcon className="size-4" />
+              思考内容
+            </div>
+            <MarkdownContent
+              content={round.thoughtMarkdown}
+              isLoading={isLoading}
+              rehypePlugins={rehypePlugins}
+              className="text-muted-foreground my-0 text-sm leading-6"
+            />
+          </section>
+        )}
+        {round.queryShow && (round.query || searching) && (
+          <div
+            className="border-primary/20 bg-primary/5 text-primary inline-flex max-w-full items-center gap-2 rounded-full border px-3 py-1.5"
+            aria-live={searching ? "polite" : undefined}
+          >
+            {searching ? (
+              <Loader2Icon className="size-3.5 shrink-0 animate-spin" />
+            ) : (
+              <SearchIcon className="size-3.5 shrink-0" />
+            )}
+            <span className="text-primary/80 shrink-0 text-xs">
+              {round.queryTitle || "检索词"}
+            </span>
+            <span className="min-w-0 truncate text-xs font-medium">
+              {round.query || "正在生成检索词…"}
+            </span>
+          </div>
+        )}
+        {round.queryShow && (
+          <section>
+            <div className="mb-2 flex items-center gap-2 text-sm font-medium">
+              <FileTextIcon className="text-muted-foreground size-4" />
+              检索内容
+              <span className="text-muted-foreground text-xs font-normal">
+                {round.retrievals.length} 条
+              </span>
+            </div>
+            {searching ? (
+              <div className="text-muted-foreground flex items-center gap-2 rounded-lg border border-border/70 px-3 py-3 text-sm">
+                <Loader2Icon className="text-primary size-4 animate-spin" />
+                正在召回相关内容...
+              </div>
+            ) : (
+              <RetrievalCardList
+                items={round.retrievals}
+                onSelect={onSelectRetrieval}
+              />
+            )}
+          </section>
+        )}
+        {(round.extractInfo || round.extractContent || round.extractLoading) && (
+          <section className="rounded-lg border border-border/70 px-3 py-3">
+            <div className="mb-2 flex items-center gap-2 text-sm font-medium">
+              <BookOpenIcon className="text-muted-foreground size-4" />
+              阅读内容
+              {round.extractLoading && <Loader2Icon className="text-primary size-3.5 animate-spin" />}
+            </div>
+            {round.extractInfo && (
+              <p className="text-muted-foreground text-sm leading-6">{round.extractInfo}</p>
+            )}
+            {round.extractContent && (
+              <p className="mt-2 text-sm leading-6 whitespace-pre-wrap">{round.extractContent}</p>
+            )}
+          </section>
+        )}
+        {round.textidContent && (
+          <section className="rounded-lg border border-border/70 px-3 py-3 text-sm leading-6 whitespace-pre-wrap">
+            {round.textidContent}
+          </section>
+        )}
+      </CollapsibleContent>
+      </article>
+    </Collapsible>
+  );
+}
+
+function RetrievalCardList({
+  items,
+  onSelect,
+}: {
+  items: MultiRoundRagRetrieval[];
+  onSelect: (item: MultiRoundRagRetrieval) => void;
+}) {
+  if (items.length === 0) {
+    return <p className="text-muted-foreground py-1 text-sm">本轮未召回相关资料。</p>;
+  }
+  return (
+    <div className="space-y-2">
+      {items.map((item, index) => (
+        <RetrievalCard
+          key={`${item.id ?? item.title}-${index}`}
+          item={item}
+          index={index + 1}
+          defaultOpen={index === 0}
+          onSelect={onSelect}
+        />
+      ))}
+    </div>
+  );
+}
+
+function RetrievalCard({
+  item,
+  index,
+  defaultOpen,
+  onSelect,
+}: {
+  item: MultiRoundRagRetrieval;
+  index: number;
+  defaultOpen: boolean;
+  onSelect: (item: MultiRoundRagRetrieval) => void;
+}) {
+  const [open, setOpen] = useState(defaultOpen);
+  const meta = retrievalMeta(item);
+
+  if (item.type === "user_behavior") {
+    return (
+      <div className="rounded-xl border border-border/70 px-3 py-2 text-sm">
+        <span className="text-muted-foreground mr-2 font-medium">{index}.</span>
+        {item.title}
+      </div>
+    );
+  }
+
+  return (
+    <Collapsible open={open} onOpenChange={setOpen}>
+      <div className="overflow-hidden rounded-xl border border-border/70 bg-background">
+        <CollapsibleTrigger asChild>
+          <button
+            type="button"
+            className="hover:bg-muted/40 flex min-h-11 w-full items-center gap-2 px-3 py-2.5 text-left transition-colors"
+          >
+            <span className="bg-muted text-muted-foreground flex size-5 shrink-0 items-center justify-center rounded-md text-[11px] font-medium">
+              {index}
+            </span>
+            <div className="min-w-0 flex-1">
+              <div className="truncate text-sm font-medium" title={item.title}>
+                {item.title}
+              </div>
+              {meta && (
+                <div className="text-muted-foreground truncate text-xs">{meta}</div>
+              )}
+            </div>
+            <ChevronDownIcon
+              className={cn("text-muted-foreground size-4 shrink-0 transition-transform", !open && "-rotate-90")}
+            />
+          </button>
+        </CollapsibleTrigger>
+        <CollapsibleContent className="border-border/60 border-t px-3 pb-3 pt-2.5">
+          <button
+            type="button"
+            className="text-muted-foreground hover:text-foreground line-clamp-3 w-full text-left text-sm leading-6 whitespace-pre-wrap"
+            onClick={() => onSelect(item)}
+          >
+            {item.content || "暂无资料摘要"}
+          </button>
+        </CollapsibleContent>
+      </div>
+    </Collapsible>
+  );
+}
+
+function retrievalMeta(item: MultiRoundRagRetrieval): string {
+  if (item.type === "more") return `时间：${item.time || "-"}`;
+  if (item.type === "task") return `关键词：${item.keywords || "-"}`;
+  if (item.type === "hx") return `平台：${item.platform || "-"}  粉丝数:${item.fans ?? "-"}`;
+  if (
+    item.type === "taiwan_news" ||
+    item.type === "world_news" ||
+    item.type === "messaage_comment" ||
+    item.type === "america_news"
+  ) {
+    return `平台：${item.platform || "-"}${item.comment_count ? `  评论数:${item.comment_count}` : ""}`;
+  }
+  if (item.type === "get_time_data") return `时间：${item.time || "-"}  热度:${item.hot_num ?? "-"}`;
+  return [item.source, item.time].filter(Boolean).join(" · ");
+}
+
+function RetrievalDetailDialog({
+  item,
+  onOpenChange,
+}: {
+  item: MultiRoundRagRetrieval | null;
+  onOpenChange: (open: boolean) => void;
+}) {
+  const content = item?.content;
+  return (
+    <Dialog open={!!item} onOpenChange={onOpenChange}>
+      <DialogContent className="max-h-[min(42rem,calc(100vh-2rem))] max-w-2xl overflow-hidden p-5 sm:max-w-2xl">
+        <DialogHeader className="pr-8">
+          <DialogTitle className="leading-relaxed">{item?.title || "引用资料"}</DialogTitle>
+          <DialogDescription className="space-y-1 text-xs">
+            {item?.time && <span className="block">时间：{item.time}</span>}
+            {item?.source && <span className="block">来源：{item.source}</span>}
+          </DialogDescription>
+        </DialogHeader>
+        <div className="bg-muted/50 max-h-[min(26rem,calc(100vh-16rem))] overflow-auto rounded-xl p-3 text-sm leading-7 whitespace-pre-wrap">
+          {content || "暂无引用内容"}
+        </div>
+      </DialogContent>
+    </Dialog>
+  );
+}